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 | ||
dc6f92b8 JB |
99 | #ifdef HAVE_X11 |
100 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 101 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
102 | #include <X/Xkeyboard.h> |
103 | /*#include <X/Xproto.h> */ | |
c118dd06 | 104 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 105 | |
c34efc6c JB |
106 | #ifdef FD_SET |
107 | /* We could get this from param.h, but better not to depend on finding that. | |
108 | And better not to risk that it might define other symbols used in this | |
109 | file. */ | |
110 | #ifdef FD_SETSIZE | |
111 | #define MAXDESC FD_SETSIZE | |
112 | #else | |
113 | #define MAXDESC 64 | |
114 | #endif | |
115 | #define SELECT_TYPE fd_set | |
116 | #else /* no FD_SET */ | |
117 | #define MAXDESC 32 | |
118 | #define SELECT_TYPE int | |
119 | ||
120 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
121 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
122 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
123 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
124 | #define FD_ZERO(p) (*(p) = 0) | |
125 | #endif /* no FD_SET */ | |
126 | ||
dc6f92b8 JB |
127 | /* For sending Meta-characters. Do we need this? */ |
128 | #define METABIT 0200 | |
129 | ||
130 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
131 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 132 | \f |
dc6f92b8 JB |
133 | /* Nonzero means we must reprint all windows |
134 | because 1) we received an ExposeWindow event | |
f451eb13 | 135 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 136 | |
f451eb13 | 137 | This is never needed under X11. */ |
dc6f92b8 JB |
138 | static int expose_all_windows; |
139 | ||
140 | /* Nonzero means we must reprint all icon windows. */ | |
141 | ||
142 | static int expose_all_icons; | |
143 | ||
144 | #ifndef HAVE_X11 | |
145 | /* ExposeRegion events, when received, are copied into this queue | |
146 | for later processing. */ | |
147 | ||
148 | static struct event_queue x_expose_queue; | |
149 | ||
69388238 | 150 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
151 | are copied into this queue for later processing. */ |
152 | ||
153 | struct event_queue x_mouse_queue; | |
c118dd06 | 154 | #endif /* HAVE_X11 */ |
dc6f92b8 | 155 | |
dc6f92b8 JB |
156 | #if defined (SIGIO) && defined (FIONREAD) |
157 | int BLOCK_INPUT_mask; | |
c118dd06 | 158 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 159 | |
dc6f92b8 JB |
160 | /* The id of a bitmap used for icon windows. |
161 | One such map is shared by all Emacs icon windows. | |
162 | This is zero if we have not yet had a need to create the bitmap. */ | |
163 | ||
164 | static Bitmap icon_bitmap; | |
165 | ||
166 | /* Font used for text icons. */ | |
167 | ||
168 | static FONT_TYPE *icon_font_info; | |
169 | ||
170 | /* Stuff for dealing with the main icon title. */ | |
171 | ||
172 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 173 | char *hostname, *x_id_name; |
dc6f92b8 JB |
174 | |
175 | /* This is the X connection that we are using. */ | |
176 | ||
177 | Display *x_current_display; | |
178 | ||
ab648270 JB |
179 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
180 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 181 | |
987d2ad1 | 182 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 183 | This is set by update_begin and looked at by all the |
dc6f92b8 | 184 | XT functions. It is zero while not inside an update. |
f676886a JB |
185 | In that case, the XT functions assume that `selected_frame' |
186 | is the frame to apply to. */ | |
d0386f2a | 187 | extern struct frame *updating_frame; |
dc6f92b8 | 188 | |
f676886a | 189 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
190 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
191 | that a mere EnterNotify event can set this; if you need to know the | |
192 | last frame specified in a FocusIn or FocusOut event, use | |
193 | x_focus_event_frame. */ | |
f676886a | 194 | struct frame *x_focus_frame; |
dc6f92b8 | 195 | |
0134a210 RS |
196 | /* This is a frame waiting to be autoraised, within XTread_socket. */ |
197 | struct frame *pending_autoraise_frame; | |
198 | ||
f451eb13 JB |
199 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
200 | separate from x_focus_frame, because whether or not LeaveNotify | |
201 | events cause us to lose focus depends on whether or not we have | |
202 | received a FocusIn event for it. */ | |
203 | struct frame *x_focus_event_frame; | |
204 | ||
f676886a JB |
205 | /* The frame which currently has the visual highlight, and should get |
206 | keyboard input (other sorts of input have the frame encoded in the | |
207 | event). It points to the X focus frame's selected window's | |
208 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 209 | minibuffer. */ |
f676886a | 210 | static struct frame *x_highlight_frame; |
6d4238f3 | 211 | |
dc6f92b8 | 212 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 213 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
214 | |
215 | static int warp_mouse_on_deiconify; | |
216 | ||
217 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
218 | ||
219 | static int flexlines; | |
220 | ||
221 | /* During an update, nonzero if chars output now should be highlighted. */ | |
222 | ||
223 | static int highlight; | |
224 | ||
225 | /* Nominal cursor position -- where to draw output. | |
226 | During an update, these are different from the cursor-box position. */ | |
227 | ||
228 | static int curs_x; | |
229 | static int curs_y; | |
230 | ||
69388238 RS |
231 | /* Mouse movement. |
232 | ||
233 | In order to avoid asking for motion events and then throwing most | |
234 | of them away or busy-polling the server for mouse positions, we ask | |
235 | the server for pointer motion hints. This means that we get only | |
236 | one event per group of mouse movements. "Groups" are delimited by | |
237 | other kinds of events (focus changes and button clicks, for | |
238 | example), or by XQueryPointer calls; when one of these happens, we | |
239 | get another MotionNotify event the next time the mouse moves. This | |
240 | is at least as efficient as getting motion events when mouse | |
241 | tracking is on, and I suspect only negligibly worse when tracking | |
242 | is off. | |
243 | ||
244 | The silly O'Reilly & Associates Nutshell guides barely document | |
245 | pointer motion hints at all (I think you have to infer how they | |
246 | work from an example), and the description of XQueryPointer doesn't | |
247 | mention that calling it causes you to get another motion hint from | |
248 | the server, which is very important. */ | |
249 | ||
250 | /* Where the mouse was last time we reported a mouse event. */ | |
251 | static FRAME_PTR last_mouse_frame; | |
252 | static XRectangle last_mouse_glyph; | |
253 | ||
254 | /* The scroll bar in which the last X motion event occurred. | |
255 | ||
256 | If the last X motion event occurred in a scroll bar, we set this | |
257 | so XTmouse_position can know whether to report a scroll bar motion or | |
258 | an ordinary motion. | |
259 | ||
260 | If the last X motion event didn't occur in a scroll bar, we set this | |
261 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
262 | static Lisp_Object last_mouse_scroll_bar; | |
263 | ||
264 | /* Record which buttons are currently pressed. */ | |
265 | unsigned int x_mouse_grabbed; | |
266 | ||
267 | /* This is a hack. We would really prefer that XTmouse_position would | |
268 | return the time associated with the position it returns, but there | |
269 | doesn't seem to be any way to wrest the timestamp from the server | |
270 | along with the position query. So, we just keep track of the time | |
271 | of the last movement we received, and return that in hopes that | |
272 | it's somewhat accurate. */ | |
273 | static Time last_mouse_movement_time; | |
274 | ||
b8009dd1 RS |
275 | /* These variables describe the range of text currently shown |
276 | in its mouse-face, together with the window they apply to. | |
277 | As long as the mouse stays within this range, we need not | |
278 | redraw anything on its account. */ | |
279 | static int mouse_face_beg, mouse_face_end; | |
280 | static Lisp_Object mouse_face_window; | |
281 | static int mouse_face_face_id; | |
282 | ||
514e4681 RS |
283 | /* 1 if a mouse motion event came and we didn't handle it right away because |
284 | gc was in progress. */ | |
285 | static int mouse_face_deferred_gc; | |
286 | ||
b8009dd1 RS |
287 | /* FRAME and X, Y position of mouse when last checked for highlighting. */ |
288 | static FRAME_PTR mouse_face_mouse_frame; | |
289 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
290 | ||
291 | /* Nonzero means defer mouse-motion highlighting. */ | |
292 | static int mouse_face_defer; | |
293 | ||
dc6f92b8 JB |
294 | #ifdef HAVE_X11 |
295 | /* `t' if a mouse button is depressed. */ | |
296 | ||
297 | extern Lisp_Object Vmouse_depressed; | |
298 | ||
299 | /* Tells if a window manager is present or not. */ | |
300 | ||
301 | extern Lisp_Object Vx_no_window_manager; | |
302 | ||
303 | /* Timestamp that we requested selection data was made. */ | |
304 | extern Time requestor_time; | |
305 | ||
306 | /* ID of the window requesting selection data. */ | |
307 | extern Window requestor_window; | |
308 | ||
309 | /* Nonzero enables some debugging for the X interface code. */ | |
310 | extern int _Xdebug; | |
311 | ||
c2df547c | 312 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 313 | |
c118dd06 | 314 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
315 | |
316 | /* Bit patterns for the mouse cursor. */ | |
317 | ||
318 | short MouseCursor[] = { | |
319 | 0x0000, 0x0008, 0x0018, 0x0038, | |
320 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
321 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
322 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
323 | ||
324 | short MouseMask[] = { | |
325 | 0x000c, 0x001c, 0x003c, 0x007c, | |
326 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
327 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
328 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
329 | ||
330 | static short grey_bits[] = { | |
331 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
332 | ||
333 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 334 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
335 | |
336 | /* From time to time we get info on an Emacs window, here. */ | |
337 | ||
338 | static WINDOWINFO_TYPE windowinfo; | |
339 | ||
340 | extern int errno; | |
341 | ||
dfeccd2d | 342 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
343 | extern int extra_keyboard_modifiers; |
344 | ||
dc6f92b8 JB |
345 | extern Display *XOpenDisplay (); |
346 | extern Window XCreateWindow (); | |
347 | ||
348 | extern Cursor XCreateCursor (); | |
349 | extern FONT_TYPE *XOpenFont (); | |
350 | ||
351 | static void flashback (); | |
c83febd7 | 352 | static void redraw_previous_char (); |
0cdd0c9f | 353 | static void redraw_following_char (); |
3afe33e7 | 354 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 355 | |
b8009dd1 RS |
356 | static void note_mouse_highlight (); |
357 | static void clear_mouse_face (); | |
358 | static void show_mouse_face (); | |
359 | ||
dc6f92b8 JB |
360 | #ifndef HAVE_X11 |
361 | static void dumpqueue (); | |
c118dd06 | 362 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
363 | |
364 | void dumpborder (); | |
4746118a JB |
365 | static int XTcursor_to (); |
366 | static int XTclear_end_of_line (); | |
16bd92ea JB |
367 | |
368 | \f | |
f451eb13 JB |
369 | /* Starting and ending updates. |
370 | ||
371 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
372 | of a frame update. We record in `updating_frame' the identity |
373 | of the frame being updated, so that the XT... functions do not | |
374 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 375 | should never be called except during an update, the only exceptions |
c83febd7 | 376 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
377 | |
378 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
379 | ||
380 | static | |
f676886a JB |
381 | XTupdate_begin (f) |
382 | struct frame *f; | |
dc6f92b8 JB |
383 | { |
384 | int mask; | |
385 | ||
f676886a | 386 | if (f == 0) |
dc6f92b8 JB |
387 | abort (); |
388 | ||
f676886a | 389 | flexlines = f->height; |
dc6f92b8 JB |
390 | highlight = 0; |
391 | ||
dc6f92b8 | 392 | BLOCK_INPUT; |
b8009dd1 RS |
393 | |
394 | if (f == mouse_face_mouse_frame) | |
395 | { | |
514e4681 | 396 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
397 | mouse_face_defer = 1; |
398 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
399 | { |
400 | int firstline, lastline, i; | |
401 | struct window *w = XWINDOW (mouse_face_window); | |
402 | ||
403 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
404 | for (firstline = 0; firstline < f->height; firstline++) | |
405 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
406 | break; | |
407 | ||
408 | lastline = f->height; | |
409 | for (i = f->height - 1; i >= 0; i--) | |
410 | { | |
411 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
412 | break; | |
413 | else | |
414 | lastline = i; | |
415 | } | |
416 | ||
417 | /* Can we tell that this update does not affect the window | |
418 | where the mouse highlight is? If so, no need to turn off. */ | |
419 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
420 | || lastline < XFASTINT (w->top))) | |
421 | /* Otherwise turn off the mouse highlight now. */ | |
422 | clear_mouse_face (); | |
423 | } | |
b8009dd1 | 424 | } |
dc6f92b8 JB |
425 | #ifndef HAVE_X11 |
426 | dumpqueue (); | |
c118dd06 | 427 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
428 | UNBLOCK_INPUT; |
429 | } | |
430 | ||
f451eb13 | 431 | #ifndef HAVE_X11 |
dc6f92b8 | 432 | static void x_do_pending_expose (); |
f451eb13 | 433 | #endif |
dc6f92b8 JB |
434 | |
435 | static | |
f676886a JB |
436 | XTupdate_end (f) |
437 | struct frame *f; | |
dc6f92b8 JB |
438 | { |
439 | int mask; | |
440 | ||
dc6f92b8 JB |
441 | BLOCK_INPUT; |
442 | #ifndef HAVE_X11 | |
443 | dumpqueue (); | |
dc6f92b8 | 444 | x_do_pending_expose (); |
f451eb13 | 445 | #endif /* HAVE_X11 */ |
dc6f92b8 | 446 | |
f676886a | 447 | x_display_cursor (f, 1); |
dc6f92b8 | 448 | |
b8009dd1 RS |
449 | if (f == mouse_face_mouse_frame) |
450 | mouse_face_defer = 0; | |
451 | #if 0 | |
452 | /* This fails in the case of having updated only the echo area | |
453 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
454 | has no relation to the current contents, and its charstarts | |
455 | have no relation to the contents of the window-buffer. | |
456 | I don't know a clean way to check | |
457 | for that case. window_end_valid isn't set up yet. */ | |
458 | if (f == mouse_face_mouse_frame) | |
459 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
460 | #endif | |
461 | ||
dc6f92b8 JB |
462 | XFlushQueue (); |
463 | UNBLOCK_INPUT; | |
464 | } | |
b8009dd1 | 465 | |
514e4681 | 466 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
467 | |
468 | static | |
469 | XTframe_up_to_date (f) | |
470 | FRAME_PTR f; | |
471 | { | |
514e4681 RS |
472 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
473 | { | |
474 | note_mouse_highlight (mouse_face_mouse_frame, | |
475 | mouse_face_mouse_x, mouse_face_mouse_y); | |
476 | mouse_face_deferred_gc = 0; | |
477 | } | |
b8009dd1 | 478 | } |
dc6f92b8 JB |
479 | \f |
480 | /* External interface to control of standout mode. | |
481 | Call this when about to modify line at position VPOS | |
482 | and not change whether it is highlighted. */ | |
483 | ||
484 | XTreassert_line_highlight (new, vpos) | |
485 | int new, vpos; | |
486 | { | |
487 | highlight = new; | |
488 | } | |
489 | ||
490 | /* Call this when about to modify line at position VPOS | |
491 | and change whether it is highlighted. */ | |
492 | ||
493 | static | |
494 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
495 | int new_highlight, vpos, first_unused_hpos; | |
496 | { | |
497 | highlight = new_highlight; | |
498 | XTcursor_to (vpos, 0); | |
f676886a | 499 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
500 | } |
501 | ||
502 | /* This is used when starting Emacs and when restarting after suspend. | |
503 | When starting Emacs, no X window is mapped. And nothing must be done | |
504 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
505 | ||
506 | static | |
507 | XTset_terminal_modes () | |
508 | { | |
509 | } | |
510 | ||
511 | /* This is called when exiting or suspending Emacs. | |
512 | Exiting will make the X-windows go away, and suspending | |
513 | requires no action. */ | |
514 | ||
515 | static | |
516 | XTreset_terminal_modes () | |
517 | { | |
f676886a | 518 | /* XTclear_frame (); */ |
dc6f92b8 JB |
519 | } |
520 | \f | |
f451eb13 JB |
521 | /* Set the nominal cursor position of the frame. |
522 | This is where display update commands will take effect. | |
dc6f92b8 JB |
523 | This does not affect the place where the cursor-box is displayed. */ |
524 | ||
4746118a | 525 | static int |
dc6f92b8 JB |
526 | XTcursor_to (row, col) |
527 | register int row, col; | |
528 | { | |
529 | int mask; | |
530 | int orow = row; | |
531 | ||
532 | curs_x = col; | |
533 | curs_y = row; | |
534 | ||
f676886a | 535 | if (updating_frame == 0) |
dc6f92b8 JB |
536 | { |
537 | BLOCK_INPUT; | |
f676886a | 538 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
539 | XFlushQueue (); |
540 | UNBLOCK_INPUT; | |
541 | } | |
542 | } | |
543 | \f | |
544 | /* Display a sequence of N glyphs found at GP. | |
545 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
546 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
547 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
548 | JUST_FOREGROUND if 1 means draw only the foreground; |
549 | don't alter the background. | |
dc6f92b8 | 550 | |
07e34cb0 | 551 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 552 | |
07e34cb0 JB |
553 | Since the display generation code is responsible for calling |
554 | compute_char_face and compute_glyph_face on everything it puts in | |
555 | the display structure, we can assume that the face code on each | |
28f72798 | 556 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
557 | to which we can actually apply intern_face. |
558 | Call this function with input blocked. */ | |
dc6f92b8 | 559 | |
07e34cb0 JB |
560 | #if 1 |
561 | /* This is the multi-face code. */ | |
dc6f92b8 | 562 | |
dc6f92b8 | 563 | static void |
0cdd0c9f | 564 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 565 | struct frame *f; |
dc6f92b8 JB |
566 | int left, top; |
567 | register GLYPH *gp; /* Points to first GLYPH. */ | |
568 | register int n; /* Number of glyphs to display. */ | |
569 | int hl; | |
0cdd0c9f | 570 | int just_foreground; |
dc6f92b8 | 571 | { |
07e34cb0 JB |
572 | /* Holds characters to be displayed. */ |
573 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
574 | register char *cp; /* Steps through buf[]. */ |
575 | register int tlen = GLYPH_TABLE_LENGTH; | |
576 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 577 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 578 | int orig_left = left; |
dc6f92b8 | 579 | |
07e34cb0 | 580 | while (n > 0) |
dc6f92b8 JB |
581 | { |
582 | /* Get the face-code of the next GLYPH. */ | |
583 | int cf, len; | |
584 | int g = *gp; | |
585 | ||
07e34cb0 | 586 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 587 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
588 | |
589 | /* Find the run of consecutive glyphs with the same face-code. | |
590 | Extract their character codes into BUF. */ | |
591 | cp = buf; | |
592 | while (n > 0) | |
593 | { | |
594 | g = *gp; | |
07e34cb0 | 595 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 596 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
597 | break; |
598 | ||
6f63ba79 | 599 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
600 | --n; |
601 | ++gp; | |
602 | } | |
603 | ||
604 | /* LEN gets the length of the run. */ | |
605 | len = cp - buf; | |
606 | ||
607 | /* Now output this run of chars, with the font and pixel values | |
608 | determined by the face code CF. */ | |
07e34cb0 JB |
609 | { |
610 | struct face *face = FRAME_DEFAULT_FACE (f); | |
611 | FONT_TYPE *font = FACE_FONT (face); | |
612 | GC gc = FACE_GC (face); | |
b73b6aaf | 613 | int gc_temporary = 0; |
07e34cb0 | 614 | |
b8009dd1 RS |
615 | /* HL = 3 means use a mouse face previously chosen. */ |
616 | if (hl == 3) | |
617 | cf = mouse_face_face_id; | |
618 | ||
b73b6aaf RS |
619 | /* First look at the face of the text itself. */ |
620 | if (cf != 0) | |
07e34cb0 | 621 | { |
a07d4bc5 RS |
622 | /* It's possible for the display table to specify |
623 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
624 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
625 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 626 | cf = 0; |
07e34cb0 JB |
627 | |
628 | if (cf == 1) | |
629 | face = FRAME_MODE_LINE_FACE (f); | |
630 | else | |
28f72798 | 631 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
632 | font = FACE_FONT (face); |
633 | gc = FACE_GC (face); | |
634 | } | |
4a4dc352 JB |
635 | |
636 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
637 | else if (hl == 0) |
638 | ; | |
639 | else if (hl == 1) | |
640 | { | |
641 | face = FRAME_MODE_LINE_FACE (f); | |
642 | font = FACE_FONT (face); | |
643 | gc = FACE_GC (face); | |
b73b6aaf RS |
644 | } |
645 | ||
646 | #define FACE_DEFAULT (~0) | |
647 | ||
648 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 649 | if (hl == 2) |
b73b6aaf | 650 | { |
dc05a16b | 651 | if (!face->font |
b5cf7a0e JB |
652 | || (int) face->font == FACE_DEFAULT) |
653 | { | |
654 | gc = f->display.x->cursor_gc; | |
655 | } | |
656 | /* Cursor on non-default face: must merge. */ | |
657 | else | |
658 | { | |
659 | XGCValues xgcv; | |
660 | unsigned long mask; | |
661 | ||
662 | xgcv.background = f->display.x->cursor_pixel; | |
df5a440b RS |
663 | if (face == FRAME_DEFAULT_FACE (f)) |
664 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
665 | else | |
666 | xgcv.foreground = face->foreground; | |
667 | /* If the glyph would be invisible, | |
668 | try a different foreground. */ | |
669 | if (xgcv.foreground == xgcv.background) | |
670 | xgcv.foreground = face->background; | |
671 | if (xgcv.foreground == xgcv.background) | |
672 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
673 | if (xgcv.foreground == xgcv.background) | |
674 | xgcv.foreground = face->foreground; | |
675 | /* Make sure the cursor is distinct from text in this face. */ | |
676 | if (xgcv.background == face->background | |
677 | && xgcv.foreground == face->foreground) | |
678 | { | |
679 | xgcv.background = face->foreground; | |
680 | xgcv.foreground = face->background; | |
681 | } | |
b5cf7a0e JB |
682 | xgcv.font = face->font->fid; |
683 | xgcv.graphics_exposures = 0; | |
684 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
685 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
686 | mask, &xgcv); | |
b73b6aaf | 687 | #if 0 |
b5cf7a0e JB |
688 | if (face->stipple && face->stipple != FACE_DEFAULT) |
689 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 690 | #endif |
b5cf7a0e JB |
691 | gc_temporary = 1; |
692 | } | |
07e34cb0 | 693 | } |
07e34cb0 | 694 | |
b5cf7a0e JB |
695 | if ((int) font == FACE_DEFAULT) |
696 | font = f->display.x->font; | |
697 | ||
0cdd0c9f RS |
698 | if (just_foreground) |
699 | XDrawString (x_current_display, window, gc, | |
700 | left, top + FONT_BASE (font), buf, len); | |
701 | else | |
702 | { | |
703 | XDrawImageString (x_current_display, window, gc, | |
704 | left, top + FONT_BASE (font), buf, len); | |
705 | /* Clear the rest of the line's height. */ | |
706 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
707 | XClearArea (x_current_display, window, left, | |
708 | top + FONT_HEIGHT (font), | |
709 | FONT_WIDTH (font) * len, | |
710 | /* This is how many pixels of height | |
711 | we have to clear. */ | |
712 | f->display.x->line_height - FONT_HEIGHT (font), | |
713 | False); | |
714 | } | |
715 | ||
716 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
717 | which often is not up to date yet. */ | |
718 | if (!just_foreground) | |
719 | { | |
720 | if (left == orig_left) | |
721 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
722 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
723 | if (n == 0) | |
724 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
725 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
726 | } | |
727 | #endif | |
07e34cb0 | 728 | |
b73b6aaf RS |
729 | if (gc_temporary) |
730 | XFreeGC (x_current_display, gc); | |
731 | ||
07e34cb0 JB |
732 | /* We should probably check for XA_UNDERLINE_POSITION and |
733 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
734 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 735 | { |
4a4dc352 | 736 | int underline_position = 1; |
07e34cb0 | 737 | |
4a4dc352 JB |
738 | if (font->descent <= underline_position) |
739 | underline_position = font->descent - 1; | |
07e34cb0 JB |
740 | |
741 | if (face->underline) | |
742 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
743 | FACE_GC (face), | |
744 | left, (top | |
745 | + FONT_BASE (font) | |
746 | + underline_position), | |
747 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 748 | } |
07e34cb0 JB |
749 | |
750 | left += len * FONT_WIDTH (font); | |
751 | } | |
dc6f92b8 JB |
752 | } |
753 | } | |
07e34cb0 JB |
754 | #endif /* 1 */ |
755 | ||
756 | #if 0 | |
757 | /* This is the old single-face code. */ | |
758 | ||
759 | static void | |
760 | dumpglyphs (f, left, top, gp, n, hl, font) | |
761 | struct frame *f; | |
762 | int left, top; | |
763 | register GLYPH *gp; /* Points to first GLYPH. */ | |
764 | register int n; /* Number of glyphs to display. */ | |
765 | int hl; | |
766 | FONT_TYPE *font; | |
767 | { | |
768 | register int len; | |
769 | Window window = FRAME_X_WINDOW (f); | |
770 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
771 | : (hl ? f->display.x->reverse_gc | |
772 | : f->display.x->normal_gc)); | |
773 | ||
774 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
775 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
776 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
777 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
778 | XDrawImageString (x_current_display, window, drawing_gc, | |
779 | left, top + FONT_BASE (font), (char *) gp, n); | |
780 | else | |
781 | /* What size of glyph ARE you using? And does X have a function to | |
782 | draw them? */ | |
783 | abort (); | |
784 | } | |
785 | #endif | |
dc6f92b8 | 786 | \f |
f451eb13 JB |
787 | /* Output some text at the nominal frame cursor position. |
788 | Advance the cursor over the text. | |
dc6f92b8 JB |
789 | Output LEN glyphs at START. |
790 | ||
791 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
792 | controls the pixel values used for foreground and background. */ | |
793 | ||
794 | static | |
795 | XTwrite_glyphs (start, len) | |
796 | register GLYPH *start; | |
797 | int len; | |
798 | { | |
799 | register int temp_length; | |
800 | int mask; | |
f676886a | 801 | struct frame *f; |
dc6f92b8 JB |
802 | |
803 | BLOCK_INPUT; | |
804 | ||
f676886a JB |
805 | f = updating_frame; |
806 | if (f == 0) | |
dc6f92b8 | 807 | { |
f676886a | 808 | f = selected_frame; |
dc6f92b8 | 809 | /* If not within an update, |
f676886a JB |
810 | output at the frame's visible cursor. */ |
811 | curs_x = f->cursor_x; | |
812 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
813 | } |
814 | ||
f676886a | 815 | dumpglyphs (f, |
12ba150f JB |
816 | CHAR_TO_PIXEL_COL (f, curs_x), |
817 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 818 | start, len, highlight, 0); |
90e65f07 JB |
819 | |
820 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
821 | if (curs_y == f->phys_cursor_y |
822 | && curs_x <= f->phys_cursor_x | |
823 | && curs_x + len > f->phys_cursor_x) | |
824 | f->phys_cursor_x = -1; | |
dc6f92b8 | 825 | |
f676886a | 826 | if (updating_frame == 0) |
dc6f92b8 | 827 | { |
f676886a JB |
828 | f->cursor_x += len; |
829 | x_display_cursor (f, 1); | |
830 | f->cursor_x -= len; | |
dc6f92b8 JB |
831 | } |
832 | else | |
833 | curs_x += len; | |
834 | ||
835 | UNBLOCK_INPUT; | |
836 | } | |
837 | \f | |
f451eb13 JB |
838 | /* Clear to the end of the line. |
839 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
840 | to column FIRST_UNUSED (exclusive). The idea is that everything |
841 | from FIRST_UNUSED onward is already erased. */ | |
842 | ||
4746118a | 843 | static int |
dc6f92b8 JB |
844 | XTclear_end_of_line (first_unused) |
845 | register int first_unused; | |
846 | { | |
f676886a | 847 | struct frame *f = updating_frame; |
dc6f92b8 JB |
848 | int mask; |
849 | ||
f676886a | 850 | if (f == 0) |
dc6f92b8 JB |
851 | abort (); |
852 | ||
f676886a | 853 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
854 | return; |
855 | if (first_unused <= 0) | |
856 | return; | |
857 | ||
f676886a JB |
858 | if (first_unused >= f->width) |
859 | first_unused = f->width; | |
dc6f92b8 JB |
860 | |
861 | BLOCK_INPUT; | |
862 | ||
90e65f07 | 863 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
864 | if (curs_y == f->phys_cursor_y |
865 | && curs_x <= f->phys_cursor_x | |
866 | && f->phys_cursor_x < first_unused) | |
867 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
868 | |
869 | #ifdef HAVE_X11 | |
c118dd06 | 870 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
871 | CHAR_TO_PIXEL_COL (f, curs_x), |
872 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 873 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 874 | f->display.x->line_height, False); |
c83febd7 | 875 | #if 0 |
0cdd0c9f | 876 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 877 | #endif |
c118dd06 JB |
878 | #else /* ! defined (HAVE_X11) */ |
879 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
880 | CHAR_TO_PIXEL_COL (f, curs_x), |
881 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 882 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 883 | f->display.x->line_height, |
f676886a | 884 | f->display.x->background_pixel); |
c118dd06 | 885 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
886 | |
887 | UNBLOCK_INPUT; | |
888 | } | |
889 | ||
0cdd0c9f RS |
890 | static |
891 | XTclear_frame () | |
892 | { | |
893 | int mask; | |
894 | struct frame *f = updating_frame; | |
895 | ||
896 | if (f == 0) | |
897 | f = selected_frame; | |
898 | ||
899 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
900 | curs_x = 0; /* Nominal cursor position is top left. */ | |
901 | curs_y = 0; | |
902 | ||
903 | BLOCK_INPUT; | |
904 | ||
905 | XClear (FRAME_X_WINDOW (f)); | |
906 | ||
907 | /* We have to clear the scroll bars, too. If we have changed | |
908 | colors or something like that, then they should be notified. */ | |
909 | x_scroll_bar_clear (f); | |
910 | ||
911 | #ifndef HAVE_X11 | |
912 | dumpborder (f, 0); | |
913 | #endif /* HAVE_X11 */ | |
914 | ||
915 | XFlushQueue (); | |
916 | UNBLOCK_INPUT; | |
917 | } | |
918 | \f | |
919 | #if 0 | |
920 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
921 | always contain the right glyphs to use. | |
922 | ||
923 | It also needs to be changed to look at the details of the font and | |
924 | see whether there is really overlap, and do nothing when there is | |
925 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
926 | but just how to use them is not clear. */ | |
927 | ||
c83febd7 RS |
928 | /* Erase the character (if any) at the position just before X, Y in frame F, |
929 | then redraw it and the character before it. | |
930 | This is necessary when we erase starting at X, | |
f94397b5 KH |
931 | in case the character after X overlaps into the one before X. |
932 | Call this function with input blocked. */ | |
c83febd7 RS |
933 | |
934 | static void | |
0cdd0c9f | 935 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
936 | FRAME_PTR f; |
937 | int x, y; | |
0cdd0c9f | 938 | int highlight_flag; |
c83febd7 RS |
939 | { |
940 | /* Erase the character before the new ones, in case | |
941 | what was here before overlaps it. | |
942 | Reoutput that character, and the previous character | |
943 | (in case the previous character overlaps it). */ | |
944 | if (x > 0) | |
945 | { | |
946 | int start_x = x - 2; | |
947 | if (start_x < 0) | |
948 | start_x = 0; | |
949 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
950 | CHAR_TO_PIXEL_COL (f, x - 1), | |
951 | CHAR_TO_PIXEL_ROW (f, y), | |
952 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 953 | f->display.x->line_height, False); |
c83febd7 RS |
954 | |
955 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
956 | CHAR_TO_PIXEL_ROW (f, y), | |
957 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 958 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
959 | } |
960 | } | |
961 | ||
0cdd0c9f RS |
962 | /* Erase the character (if any) at the position X, Y in frame F, |
963 | then redraw it and the character after it. | |
964 | This is necessary when we erase endng at X, | |
965 | in case the character after X overlaps into the one before X. | |
966 | Call this function with input blocked. */ | |
967 | ||
968 | static void | |
969 | redraw_following_char (f, x, y, highlight_flag) | |
970 | FRAME_PTR f; | |
971 | int x, y; | |
972 | int highlight_flag; | |
dc6f92b8 | 973 | { |
0cdd0c9f RS |
974 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
975 | /* Erase the character after the new ones, in case | |
976 | what was here before overlaps it. | |
977 | Reoutput that character, and the following character | |
978 | (in case the following character overlaps it). */ | |
979 | if (x < limit | |
980 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
981 | { | |
982 | int end_x = x + 2; | |
983 | if (end_x > limit) | |
984 | end_x = limit; | |
985 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
986 | CHAR_TO_PIXEL_COL (f, x), | |
987 | CHAR_TO_PIXEL_ROW (f, y), | |
988 | FONT_WIDTH (f->display.x->font), | |
989 | f->display.x->line_height, False); | |
dc6f92b8 | 990 | |
0cdd0c9f RS |
991 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
992 | CHAR_TO_PIXEL_ROW (f, y), | |
993 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
994 | end_x - x, highlight_flag, 1); | |
995 | } | |
996 | } | |
997 | #endif /* 0 */ | |
998 | \f | |
999 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1000 | |
0cdd0c9f | 1001 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1002 | |
0cdd0c9f RS |
1003 | static int |
1004 | font_char_overlap_left (font, c) | |
1005 | XFontStruct *font; | |
1006 | int c; | |
1007 | { | |
1008 | XCharStruct *s; | |
dbc4e1c1 | 1009 | |
0cdd0c9f RS |
1010 | /* Find the bounding-box info for C. */ |
1011 | if (font->per_char == 0) | |
1012 | s = &font->max_bounds; | |
1013 | else | |
1014 | { | |
1015 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1016 | int row, within; | |
1017 | ||
1018 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1019 | row = c >> 8; | |
1020 | within = c & 0177; | |
1021 | if (!(within >= font->min_char_or_byte2 | |
1022 | && within <= font->max_char_or_byte2 | |
1023 | && row >= font->min_byte1 | |
1024 | && row <= font->max_byte1)) | |
1025 | { | |
1026 | /* If char is out of range, try the font's default char instead. */ | |
1027 | c = font->default_char; | |
1028 | row = c >> (INTBITS - 8); | |
1029 | within = c & 0177; | |
1030 | } | |
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 | /* Still out of range means this char does not overlap. */ | |
1036 | return 0; | |
1037 | else | |
1038 | /* We found the info for this char. */ | |
1039 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1040 | + row * rowlen); | |
1041 | } | |
dbc4e1c1 | 1042 | |
0cdd0c9f RS |
1043 | return (s && s->lbearing < 0); |
1044 | } | |
dbc4e1c1 | 1045 | |
0cdd0c9f RS |
1046 | /* Return 1 if character C in font F extends past its right edge. */ |
1047 | ||
1048 | static int | |
1049 | font_char_overlap_right (font, c) | |
1050 | XFontStruct *font; | |
1051 | int c; | |
1052 | { | |
1053 | XCharStruct *s; | |
1054 | ||
1055 | /* Find the bounding-box info for C. */ | |
1056 | if (font->per_char == 0) | |
1057 | s = &font->max_bounds; | |
1058 | else | |
1059 | { | |
1060 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1061 | int row, within; | |
1062 | ||
1063 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1064 | row = c >> 8; | |
1065 | within = c & 0177; | |
1066 | if (!(within >= font->min_char_or_byte2 | |
1067 | && within <= font->max_char_or_byte2 | |
1068 | && row >= font->min_byte1 | |
1069 | && row <= font->max_byte1)) | |
1070 | { | |
1071 | /* If char is out of range, try the font's default char instead. */ | |
1072 | c = font->default_char; | |
1073 | row = c >> (INTBITS - 8); | |
1074 | within = c & 0177; | |
1075 | } | |
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 | /* Still out of range means this char does not overlap. */ | |
1081 | return 0; | |
1082 | else | |
1083 | /* We found the info for this char. */ | |
1084 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1085 | + row * rowlen); | |
1086 | } | |
1087 | ||
1088 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1089 | } |
0cdd0c9f | 1090 | #endif /* 0 */ |
dc6f92b8 | 1091 | \f |
dbc4e1c1 JB |
1092 | /* Invert the middle quarter of the frame for .15 sec. */ |
1093 | ||
1094 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1095 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1096 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1097 | ||
1098 | /* Subtract the `struct timeval' values X and Y, | |
1099 | storing the result in RESULT. | |
1100 | Return 1 if the difference is negative, otherwise 0. */ | |
1101 | ||
1102 | static int | |
1103 | timeval_subtract (result, x, y) | |
1104 | struct timeval *result, x, y; | |
1105 | { | |
1106 | /* Perform the carry for the later subtraction by updating y. | |
1107 | This is safer because on some systems | |
1108 | the tv_sec member is unsigned. */ | |
1109 | if (x.tv_usec < y.tv_usec) | |
1110 | { | |
1111 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1112 | y.tv_usec -= 1000000 * nsec; | |
1113 | y.tv_sec += nsec; | |
1114 | } | |
1115 | if (x.tv_usec - y.tv_usec > 1000000) | |
1116 | { | |
1117 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1118 | y.tv_usec += 1000000 * nsec; | |
1119 | y.tv_sec -= nsec; | |
1120 | } | |
1121 | ||
1122 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1123 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1124 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1125 | ||
1126 | /* Return indication of whether the result should be considered negative. */ | |
1127 | return x.tv_sec < y.tv_sec; | |
1128 | } | |
dc6f92b8 | 1129 | |
f676886a JB |
1130 | XTflash (f) |
1131 | struct frame *f; | |
dc6f92b8 | 1132 | { |
dbc4e1c1 | 1133 | BLOCK_INPUT; |
dc6f92b8 | 1134 | |
dbc4e1c1 JB |
1135 | { |
1136 | GC gc; | |
dc6f92b8 | 1137 | |
dbc4e1c1 JB |
1138 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1139 | into background pixels. */ | |
1140 | { | |
1141 | XGCValues values; | |
dc6f92b8 | 1142 | |
dbc4e1c1 JB |
1143 | values.function = GXxor; |
1144 | values.foreground = (f->display.x->foreground_pixel | |
1145 | ^ f->display.x->background_pixel); | |
1146 | ||
1147 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1148 | GCFunction | GCForeground, &values); | |
1149 | } | |
dc6f92b8 | 1150 | |
dbc4e1c1 JB |
1151 | { |
1152 | int width = PIXEL_WIDTH (f); | |
1153 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1154 | |
dbc4e1c1 JB |
1155 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1156 | width/4, height/4, width/2, height/2); | |
1157 | XFlush (x_current_display); | |
dc6f92b8 | 1158 | |
dbc4e1c1 JB |
1159 | { |
1160 | struct timeval wakeup, now; | |
dc6f92b8 | 1161 | |
66c30ea1 | 1162 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1163 | |
dbc4e1c1 JB |
1164 | /* Compute time to wait until, propagating carry from usecs. */ |
1165 | wakeup.tv_usec += 150000; | |
1166 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1167 | wakeup.tv_usec %= 1000000; | |
1168 | ||
1169 | /* Keep waiting until past the time wakeup. */ | |
1170 | while (1) | |
1171 | { | |
1172 | struct timeval timeout; | |
1173 | ||
66c30ea1 | 1174 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1175 | |
1176 | /* In effect, timeout = wakeup - timeout. | |
1177 | Break if result would be negative. */ | |
1178 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1179 | break; | |
1180 | ||
1181 | /* Try to wait that long--but we might wake up sooner. */ | |
1182 | select (0, 0, 0, 0, &timeout); | |
1183 | } | |
1184 | } | |
1185 | ||
1186 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1187 | width/4, height/4, width/2, height/2); | |
1188 | XFreeGC (x_current_display, gc); | |
1189 | XFlush (x_current_display); | |
dc6f92b8 | 1190 | } |
dbc4e1c1 JB |
1191 | } |
1192 | ||
1193 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1194 | } |
1195 | ||
dbc4e1c1 JB |
1196 | #endif |
1197 | ||
1198 | ||
dc6f92b8 JB |
1199 | /* Make audible bell. */ |
1200 | ||
1201 | #ifdef HAVE_X11 | |
bc20ebbf | 1202 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1203 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1204 | #define XRINGBELL XFeep (0); |
c118dd06 | 1205 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1206 | |
1207 | XTring_bell () | |
1208 | { | |
5a6ef893 RS |
1209 | if (x_current_display == 0) |
1210 | return; | |
1211 | ||
dbc4e1c1 | 1212 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1213 | if (visible_bell) |
f676886a | 1214 | XTflash (selected_frame); |
dc6f92b8 | 1215 | else |
dbc4e1c1 | 1216 | #endif |
dc6f92b8 JB |
1217 | { |
1218 | BLOCK_INPUT; | |
1219 | XRINGBELL; | |
1220 | XFlushQueue (); | |
1221 | UNBLOCK_INPUT; | |
1222 | } | |
1223 | } | |
1224 | \f | |
f451eb13 JB |
1225 | /* Insert and delete character. |
1226 | These are not supposed to be used because we are supposed to turn | |
1227 | off the feature of using them. */ | |
dc6f92b8 JB |
1228 | |
1229 | static | |
1230 | XTinsert_glyphs (start, len) | |
1231 | register char *start; | |
1232 | register int len; | |
1233 | { | |
1234 | abort (); | |
1235 | } | |
1236 | ||
1237 | static | |
1238 | XTdelete_glyphs (n) | |
1239 | register int n; | |
1240 | { | |
1241 | abort (); | |
1242 | } | |
1243 | \f | |
1244 | /* Specify how many text lines, from the top of the window, | |
1245 | should be affected by insert-lines and delete-lines operations. | |
1246 | This, and those operations, are used only within an update | |
1247 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1248 | ||
1249 | static | |
1250 | XTset_terminal_window (n) | |
1251 | register int n; | |
1252 | { | |
f676886a | 1253 | if (updating_frame == 0) |
dc6f92b8 JB |
1254 | abort (); |
1255 | ||
f676886a JB |
1256 | if ((n <= 0) || (n > updating_frame->height)) |
1257 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1258 | else |
1259 | flexlines = n; | |
1260 | } | |
1261 | \f | |
f451eb13 JB |
1262 | /* Perform an insert-lines operation. |
1263 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1264 | |
1265 | static void | |
1266 | stufflines (n) | |
1267 | register int n; | |
1268 | { | |
1269 | register int topregion, bottomregion; | |
1270 | register int length, newtop, mask; | |
f676886a JB |
1271 | register struct frame *f = updating_frame; |
1272 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1273 | |
1274 | if (curs_y >= flexlines) | |
1275 | return; | |
1276 | ||
1277 | topregion = curs_y; | |
1278 | bottomregion = flexlines - (n + 1); | |
1279 | newtop = topregion + n; | |
1280 | length = (bottomregion - topregion) + 1; | |
1281 | ||
1282 | #ifndef HAVE_X11 | |
1283 | dumpqueue (); | |
c118dd06 | 1284 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1285 | |
1286 | if ((length > 0) && (newtop <= flexlines)) | |
1287 | { | |
1288 | #ifdef HAVE_X11 | |
c118dd06 JB |
1289 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1290 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1291 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1292 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1293 | length * f->display.x->line_height, intborder, |
12ba150f | 1294 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1295 | #else /* ! defined (HAVE_X11) */ |
1296 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1297 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1298 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1299 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1300 | length * f->display.x->line_height); |
dc6f92b8 JB |
1301 | /* Now we must process any ExposeRegion events that occur |
1302 | if the area being copied from is obscured. | |
1303 | We can't let it wait because further i/d operations | |
1304 | may want to copy this area to another area. */ | |
1305 | x_read_exposes (); | |
c118dd06 | 1306 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1307 | } |
1308 | ||
1309 | newtop = min (newtop, (flexlines - 1)); | |
1310 | length = newtop - topregion; | |
1311 | if (length > 0) | |
1312 | { | |
1313 | #ifdef HAVE_X11 | |
c118dd06 | 1314 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1315 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1316 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1317 | n * f->display.x->line_height, False); |
c118dd06 JB |
1318 | #else /* ! defined (HAVE_X11) */ |
1319 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1320 | intborder, |
12ba150f | 1321 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1322 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1323 | n * f->display.x->line_height, |
f676886a | 1324 | f->display.x->background_pixel); |
c118dd06 | 1325 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1326 | } |
1327 | } | |
1328 | ||
1329 | /* Perform a delete-lines operation, deleting N lines | |
1330 | at a vertical position curs_y. */ | |
1331 | ||
1332 | static void | |
1333 | scraplines (n) | |
1334 | register int n; | |
1335 | { | |
1336 | int mask; | |
f676886a JB |
1337 | register struct frame *f = updating_frame; |
1338 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1339 | |
1340 | if (curs_y >= flexlines) | |
1341 | return; | |
1342 | ||
1343 | #ifndef HAVE_X11 | |
1344 | dumpqueue (); | |
c118dd06 | 1345 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1346 | |
1347 | if ((curs_y + n) >= flexlines) | |
1348 | { | |
1349 | if (flexlines >= (curs_y + 1)) | |
1350 | { | |
1351 | #ifdef HAVE_X11 | |
c118dd06 | 1352 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1353 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1354 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1355 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1356 | #else /* ! defined (HAVE_X11) */ |
1357 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1358 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1359 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1360 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1361 | f->display.x->background_pixel); |
c118dd06 | 1362 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1363 | } |
1364 | } | |
1365 | else | |
1366 | { | |
1367 | #ifdef HAVE_X11 | |
c118dd06 JB |
1368 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1369 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1370 | intborder, |
12ba150f | 1371 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1372 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1373 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1374 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1375 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1376 | intborder, |
12ba150f | 1377 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1378 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1379 | n * f->display.x->line_height, False); |
c118dd06 JB |
1380 | #else /* ! defined (HAVE_X11) */ |
1381 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1382 | intborder, |
12ba150f JB |
1383 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1384 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1385 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1386 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1387 | /* Now we must process any ExposeRegion events that occur |
1388 | if the area being copied from is obscured. | |
1389 | We can't let it wait because further i/d operations | |
1390 | may want to copy this area to another area. */ | |
1391 | x_read_exposes (); | |
c118dd06 | 1392 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1393 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1394 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1395 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1396 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1397 | } |
1398 | } | |
1399 | ||
1400 | /* Perform an insert-lines or delete-lines operation, | |
1401 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1402 | ||
1403 | XTins_del_lines (vpos, n) | |
1404 | int vpos, n; | |
1405 | { | |
f676886a | 1406 | if (updating_frame == 0) |
dc6f92b8 JB |
1407 | abort (); |
1408 | ||
90e65f07 | 1409 | /* Hide the cursor. */ |
f676886a | 1410 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1411 | |
1412 | XTcursor_to (vpos, 0); | |
1413 | ||
1414 | BLOCK_INPUT; | |
1415 | if (n >= 0) | |
1416 | stufflines (n); | |
1417 | else | |
1418 | scraplines (-n); | |
1419 | XFlushQueue (); | |
1420 | UNBLOCK_INPUT; | |
1421 | } | |
1422 | \f | |
f451eb13 | 1423 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1424 | static void clear_cursor (); |
1425 | ||
f676886a JB |
1426 | /* Output into a rectangle of an X-window (for frame F) |
1427 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1428 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1429 | ROWS and COLS are the size of the rectangle. |
1430 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1431 | |
1432 | static void | |
f676886a JB |
1433 | dumprectangle (f, left, top, cols, rows) |
1434 | struct frame *f; | |
dc6f92b8 JB |
1435 | register int left, top, cols, rows; |
1436 | { | |
f676886a | 1437 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1438 | int cursor_cleared = 0; |
1439 | int bottom, right; | |
1440 | register int y; | |
1441 | ||
f676886a | 1442 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1443 | return; |
1444 | ||
dc6f92b8 JB |
1445 | /* Express rectangle as four edges, instead of position-and-size. */ |
1446 | bottom = top + rows; | |
1447 | right = left + cols; | |
1448 | ||
1449 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1450 | { |
1451 | int intborder = f->display.x->internal_border_width; | |
1452 | ||
1453 | /* If the rectangle includes any of the internal border area, | |
1454 | redisplay the border emphasis. */ | |
1455 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1456 | || bottom > intborder + f->height * f->display.x->line_height |
1457 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1458 | dumpborder (f, 0); |
1459 | } | |
b8009dd1 | 1460 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1461 | |
1462 | /* Convert rectangle edges in pixels to edges in chars. | |
1463 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1464 | top = PIXEL_TO_CHAR_ROW (f, top); |
1465 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1466 | bottom += (f->display.x->line_height - 1); |
f676886a | 1467 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1468 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1469 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1470 | |
1471 | /* Clip the rectangle to what can be visible. */ | |
1472 | if (left < 0) | |
1473 | left = 0; | |
1474 | if (top < 0) | |
1475 | top = 0; | |
f676886a JB |
1476 | if (right > f->width) |
1477 | right = f->width; | |
1478 | if (bottom > f->height) | |
1479 | bottom = f->height; | |
dc6f92b8 JB |
1480 | |
1481 | /* Get size in chars of the rectangle. */ | |
1482 | cols = right - left; | |
1483 | rows = bottom - top; | |
1484 | ||
1485 | /* If rectangle has zero area, return. */ | |
1486 | if (rows <= 0) return; | |
1487 | if (cols <= 0) return; | |
1488 | ||
1489 | /* Turn off the cursor if it is in the rectangle. | |
1490 | We will turn it back on afterward. */ | |
f676886a JB |
1491 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1492 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1493 | { |
f676886a | 1494 | clear_cursor (f); |
dc6f92b8 JB |
1495 | cursor_cleared = 1; |
1496 | } | |
1497 | ||
1498 | /* Display the text in the rectangle, one text line at a time. */ | |
1499 | ||
1500 | for (y = top; y < bottom; y++) | |
1501 | { | |
f676886a | 1502 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1503 | |
f676886a | 1504 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1505 | continue; |
1506 | ||
f676886a | 1507 | dumpglyphs (f, |
12ba150f JB |
1508 | CHAR_TO_PIXEL_COL (f, left), |
1509 | CHAR_TO_PIXEL_ROW (f, y), | |
1510 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1511 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1512 | } |
1513 | ||
1514 | /* Turn the cursor on if we turned it off. */ | |
1515 | ||
1516 | if (cursor_cleared) | |
f676886a | 1517 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1518 | } |
1519 | ||
1520 | #ifndef HAVE_X11 | |
1521 | /* Process all queued ExposeRegion events. */ | |
1522 | ||
1523 | static void | |
1524 | dumpqueue () | |
1525 | { | |
1526 | register int i; | |
1527 | XExposeRegionEvent r; | |
1528 | ||
1529 | while (dequeue_event (&r, &x_expose_queue)) | |
1530 | { | |
f676886a JB |
1531 | struct frame *f = x_window_to_frame (r.window); |
1532 | if (f->display.x->icon_desc == r.window) | |
1533 | refreshicon (f); | |
dc6f92b8 | 1534 | else |
f676886a | 1535 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1536 | } |
1537 | XFlushQueue (); | |
1538 | } | |
c118dd06 | 1539 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1540 | \f |
f451eb13 | 1541 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1542 | Redraws the cursor if necessary on any frame that |
1543 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1544 | |
f451eb13 | 1545 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1546 | static void |
1547 | x_do_pending_expose () | |
1548 | { | |
1549 | int mask; | |
f676886a JB |
1550 | struct frame *f; |
1551 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1552 | |
1553 | if (expose_all_windows) | |
1554 | { | |
1555 | expose_all_windows = 0; | |
f676886a | 1556 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1557 | { |
1558 | register int temp_width, temp_height; | |
1559 | int intborder; | |
1560 | ||
f676886a | 1561 | frame = XCONS (tail)->car; |
ab648270 | 1562 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1563 | continue; |
f676886a | 1564 | f = XFRAME (frame); |
b1c884c3 | 1565 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1566 | continue; |
3a88c238 | 1567 | if (!f->async_visible) |
dc6f92b8 | 1568 | continue; |
f676886a | 1569 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1570 | continue; |
1571 | ||
f676886a | 1572 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1573 | |
f676886a | 1574 | clear_cursor (f); |
c118dd06 | 1575 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1576 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1577 | - f->display.x->v_scroll_bar_width) |
f676886a | 1578 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1579 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1580 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1581 | / f->display.x->line_height); |
f676886a | 1582 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1583 | { |
f676886a | 1584 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1585 | max (1, temp_width), 0, 1); |
ab648270 | 1586 | x_resize_scroll_bars (f); |
dc6f92b8 | 1587 | } |
f676886a JB |
1588 | f->display.x->left_pos = windowinfo.x; |
1589 | f->display.x->top_pos = windowinfo.y; | |
1590 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1591 | #if 0 |
f676886a | 1592 | dumpborder (f, 0); |
c118dd06 | 1593 | #endif /* ! 0 */ |
f676886a JB |
1594 | f->display.x->needs_exposure = 0; |
1595 | if (updating_frame != f) | |
1596 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1597 | XFlushQueue (); |
1598 | } | |
1599 | } | |
1600 | else | |
1601 | /* Handle any individual-rectangle expose events queued | |
1602 | for various windows. */ | |
1603 | #ifdef HAVE_X11 | |
1604 | ; | |
c118dd06 | 1605 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1606 | dumpqueue (); |
c118dd06 | 1607 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1608 | } |
f451eb13 | 1609 | #endif |
dc6f92b8 JB |
1610 | |
1611 | #ifdef HAVE_X11 | |
1612 | static void | |
f676886a JB |
1613 | frame_highlight (frame) |
1614 | struct frame *frame; | |
dc6f92b8 | 1615 | { |
b3e1e05c JB |
1616 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1617 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1618 | and border pixel are window attributes which are "private to the | |
1619 | client", so we can always change it to whatever we want. */ | |
1620 | BLOCK_INPUT; | |
1621 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1622 | frame->display.x->border_pixel); | |
1623 | UNBLOCK_INPUT; | |
f676886a | 1624 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1625 | } |
1626 | ||
1627 | static void | |
f676886a JB |
1628 | frame_unhighlight (frame) |
1629 | struct frame *frame; | |
dc6f92b8 | 1630 | { |
b3e1e05c JB |
1631 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1632 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1633 | and border pixel are window attributes which are "private to the | |
1634 | client", so we can always change it to whatever we want. */ | |
1635 | BLOCK_INPUT; | |
1636 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1637 | frame->display.x->border_tile); | |
1638 | UNBLOCK_INPUT; | |
f676886a | 1639 | x_display_cursor (frame, 1); |
dc6f92b8 | 1640 | } |
c118dd06 | 1641 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1642 | /* Dump the border-emphasis of frame F. |
1643 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1644 | just within the border, occupying a portion of the internal border. |
f676886a | 1645 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1646 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1647 | ||
f676886a | 1648 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1649 | In that case, we also turn the cursor off and on again |
1650 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1651 | ||
1652 | static void | |
f676886a JB |
1653 | dumpborder (f, always) |
1654 | struct frame *f; | |
dc6f92b8 JB |
1655 | int always; |
1656 | { | |
f676886a JB |
1657 | int thickness = f->display.x->internal_border_width / 2; |
1658 | int width = PIXEL_WIDTH (f); | |
1659 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1660 | int pixel; |
1661 | ||
f676886a | 1662 | if (f != selected_frame) |
dc6f92b8 JB |
1663 | { |
1664 | if (!always) | |
1665 | return; | |
1666 | ||
f676886a | 1667 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1668 | } |
1669 | else | |
1670 | { | |
f676886a | 1671 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1672 | } |
1673 | ||
c118dd06 JB |
1674 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1675 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1676 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1677 | thickness, pixel); |
c118dd06 | 1678 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1679 | height, pixel); |
1680 | ||
1681 | if (always) | |
f676886a | 1682 | x_display_cursor (f, 1); |
dc6f92b8 | 1683 | } |
c118dd06 | 1684 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1685 | |
f676886a | 1686 | static void XTframe_rehighlight (); |
6d4238f3 | 1687 | |
f676886a JB |
1688 | /* The focus has changed. Update the frames as necessary to reflect |
1689 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1690 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1691 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1692 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1693 | |
6d4238f3 | 1694 | static void |
f676886a JB |
1695 | x_new_focus_frame (frame) |
1696 | struct frame *frame; | |
dc6f92b8 | 1697 | { |
f676886a | 1698 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1699 | int events_enqueued = 0; |
1700 | ||
f676886a | 1701 | if (frame != x_focus_frame) |
dc6f92b8 | 1702 | { |
6d4238f3 | 1703 | /* Set this before calling other routines, so that they see |
f676886a JB |
1704 | the correct value of x_focus_frame. */ |
1705 | x_focus_frame = frame; | |
6d4238f3 JB |
1706 | |
1707 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1708 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1709 | |
1710 | #if 0 | |
f676886a JB |
1711 | selected_frame = frame; |
1712 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1713 | Lisp_Frame, selected_frame); | |
1714 | Fselect_window (selected_frame->selected_window); | |
1715 | choose_minibuf_frame (); | |
c118dd06 | 1716 | #endif /* ! 0 */ |
dc6f92b8 | 1717 | |
f676886a | 1718 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1719 | pending_autoraise_frame = x_focus_frame; |
1720 | else | |
1721 | pending_autoraise_frame = 0; | |
6d4238f3 | 1722 | } |
dc6f92b8 | 1723 | |
f676886a | 1724 | XTframe_rehighlight (); |
6d4238f3 JB |
1725 | } |
1726 | ||
1727 | ||
f451eb13 JB |
1728 | /* The focus has changed, or we have redirected a frame's focus to |
1729 | another frame (this happens when a frame uses a surrogate | |
1730 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1731 | static void |
f676886a | 1732 | XTframe_rehighlight () |
6d4238f3 | 1733 | { |
f676886a | 1734 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1735 | |
f676886a | 1736 | if (x_focus_frame) |
6d4238f3 | 1737 | { |
f451eb13 | 1738 | x_highlight_frame = |
ab648270 | 1739 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1740 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1741 | : x_focus_frame); | |
1742 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1743 | { | |
1744 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1745 | x_highlight_frame = x_focus_frame; | |
1746 | } | |
dc6f92b8 | 1747 | } |
6d4238f3 | 1748 | else |
f676886a | 1749 | x_highlight_frame = 0; |
dc6f92b8 | 1750 | |
f676886a | 1751 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1752 | { |
1753 | if (old_highlight) | |
f676886a JB |
1754 | frame_unhighlight (old_highlight); |
1755 | if (x_highlight_frame) | |
1756 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1757 | } |
dc6f92b8 JB |
1758 | } |
1759 | \f | |
e4571a43 | 1760 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1761 | |
28430d3c JB |
1762 | /* Which modifier keys are on which modifier bits? |
1763 | ||
1764 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1765 | keys were held down when the key was pressed. The interpretation |
1766 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1767 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1768 | is the meta bit. | |
1769 | ||
1770 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1771 | It may have more than one bit set, if more than one modifier bit | |
1772 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1773 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1774 | ||
1775 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1776 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1777 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1778 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1779 | arrangement, the lock modifier should shift the character if | |
1780 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1781 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1782 | |
a3c44b14 RS |
1783 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1784 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1785 | ||
28430d3c JB |
1786 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1787 | static void | |
1788 | x_find_modifier_meanings () | |
1789 | { | |
f689eb05 | 1790 | int min_code, max_code; |
28430d3c JB |
1791 | KeySym *syms; |
1792 | int syms_per_code; | |
1793 | XModifierKeymap *mods; | |
1794 | ||
1795 | x_meta_mod_mask = 0; | |
11edeb03 | 1796 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1797 | x_alt_mod_mask = 0; |
1798 | x_super_mod_mask = 0; | |
1799 | x_hyper_mod_mask = 0; | |
28430d3c | 1800 | |
9658a521 | 1801 | #ifdef HAVE_X11R4 |
28430d3c | 1802 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1803 | #else |
1804 | min_code = x_current_display->min_keycode; | |
1805 | max_code = x_current_display->max_keycode; | |
1806 | #endif | |
1807 | ||
28430d3c JB |
1808 | syms = XGetKeyboardMapping (x_current_display, |
1809 | min_code, max_code - min_code + 1, | |
1810 | &syms_per_code); | |
1811 | mods = XGetModifierMapping (x_current_display); | |
1812 | ||
11edeb03 JB |
1813 | /* Scan the modifier table to see which modifier bits the Meta and |
1814 | Alt keysyms are on. */ | |
28430d3c JB |
1815 | { |
1816 | int row, col; /* The row and column in the modifier table. */ | |
1817 | ||
1818 | for (row = 3; row < 8; row++) | |
1819 | for (col = 0; col < mods->max_keypermod; col++) | |
1820 | { | |
1821 | KeyCode code = | |
1822 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1823 | ||
af92970c KH |
1824 | /* Zeroes are used for filler. Skip them. */ |
1825 | if (code == 0) | |
1826 | continue; | |
1827 | ||
28430d3c JB |
1828 | /* Are any of this keycode's keysyms a meta key? */ |
1829 | { | |
1830 | int code_col; | |
1831 | ||
1832 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1833 | { | |
f689eb05 | 1834 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1835 | |
f689eb05 | 1836 | switch (sym) |
28430d3c | 1837 | { |
f689eb05 JB |
1838 | case XK_Meta_L: |
1839 | case XK_Meta_R: | |
28430d3c JB |
1840 | x_meta_mod_mask |= (1 << row); |
1841 | break; | |
f689eb05 JB |
1842 | |
1843 | case XK_Alt_L: | |
1844 | case XK_Alt_R: | |
a3c44b14 RS |
1845 | x_alt_mod_mask |= (1 << row); |
1846 | break; | |
1847 | ||
1848 | case XK_Hyper_L: | |
1849 | case XK_Hyper_R: | |
1850 | x_hyper_mod_mask |= (1 << row); | |
1851 | break; | |
1852 | ||
1853 | case XK_Super_L: | |
1854 | case XK_Super_R: | |
1855 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1856 | break; |
11edeb03 JB |
1857 | |
1858 | case XK_Shift_Lock: | |
1859 | /* Ignore this if it's not on the lock modifier. */ | |
1860 | if ((1 << row) == LockMask) | |
1861 | x_shift_lock_mask = LockMask; | |
1862 | break; | |
28430d3c JB |
1863 | } |
1864 | } | |
1865 | } | |
1866 | } | |
1867 | } | |
1868 | ||
f689eb05 JB |
1869 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1870 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1871 | { |
1872 | x_meta_mod_mask = x_alt_mod_mask; | |
1873 | x_alt_mod_mask = 0; | |
1874 | } | |
f689eb05 | 1875 | |
148c4b70 RS |
1876 | /* If some keys are both alt and meta, |
1877 | make them just meta, not alt. */ | |
1878 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1879 | { | |
1880 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1881 | } | |
1882 | ||
28430d3c | 1883 | XFree ((char *) syms); |
f689eb05 | 1884 | XFreeModifiermap (mods); |
28430d3c JB |
1885 | } |
1886 | ||
dfeccd2d JB |
1887 | /* Convert between the modifier bits X uses and the modifier bits |
1888 | Emacs uses. */ | |
7c5283e4 | 1889 | static unsigned int |
dfeccd2d | 1890 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1891 | unsigned int state; |
1892 | { | |
11edeb03 JB |
1893 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1894 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1895 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1896 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1897 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1898 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1899 | } |
1900 | ||
dfeccd2d JB |
1901 | static unsigned int |
1902 | x_emacs_to_x_modifiers (state) | |
1903 | unsigned int state; | |
1904 | { | |
1905 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1906 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1907 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1908 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1909 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1910 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1911 | } | |
1912 | ||
e4571a43 JB |
1913 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1914 | return as a function key. If you add a keysym to this, you should | |
1915 | make sure that the tables make_lispy_event uses contain a suitable | |
1916 | name for it. */ | |
1917 | static int | |
1918 | x_is_vendor_fkey (sym) | |
1919 | KeySym sym; | |
1920 | { | |
1921 | return 0 | |
1922 | #ifdef DXK_Remove | |
1923 | || (sym == DXK_Remove) | |
1924 | #endif | |
1925 | ; | |
1926 | } | |
1927 | ||
1928 | \f | |
1929 | /* Mouse clicks and mouse movement. Rah. */ | |
1930 | #ifdef HAVE_X11 | |
1931 | ||
1932 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1933 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1934 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1935 | If NOCLIP is nonzero, do not force the value into range. */ | |
1936 | ||
c8dba240 | 1937 | void |
69388238 | 1938 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1939 | FRAME_PTR f; |
69388238 | 1940 | register int pix_x, pix_y; |
e4571a43 JB |
1941 | register int *x, *y; |
1942 | XRectangle *bounds; | |
69388238 | 1943 | int noclip; |
e4571a43 | 1944 | { |
69388238 RS |
1945 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1946 | even for negative values. */ | |
1947 | if (pix_x < 0) | |
1948 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1949 | if (pix_y < 0) | |
a27f9f86 | 1950 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1951 | |
e4571a43 JB |
1952 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1953 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1954 | ||
1955 | if (bounds) | |
1956 | { | |
1957 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1958 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1959 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1960 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1961 | } | |
1962 | ||
69388238 RS |
1963 | if (!noclip) |
1964 | { | |
1965 | if (pix_x < 0) | |
1966 | pix_x = 0; | |
1967 | else if (pix_x > f->width) | |
1968 | pix_x = f->width; | |
1969 | ||
1970 | if (pix_y < 0) | |
1971 | pix_y = 0; | |
1972 | else if (pix_y > f->height) | |
1973 | pix_y = f->height; | |
1974 | } | |
e4571a43 JB |
1975 | |
1976 | *x = pix_x; | |
1977 | *y = pix_y; | |
1978 | } | |
1979 | ||
2b5c9e71 RS |
1980 | void |
1981 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1982 | FRAME_PTR f; | |
1983 | register int x, y; | |
1984 | register int *pix_x, *pix_y; | |
1985 | { | |
1986 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1987 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1988 | } | |
1989 | ||
dc6f92b8 JB |
1990 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1991 | ||
1992 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1993 | the mouse. */ |
dc6f92b8 JB |
1994 | |
1995 | static Lisp_Object | |
f451eb13 | 1996 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1997 | struct input_event *result; |
1998 | XButtonEvent *event; | |
f676886a | 1999 | struct frame *f; |
dc6f92b8 | 2000 | { |
f451eb13 | 2001 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 2002 | otherwise. */ |
f451eb13 | 2003 | result->kind = mouse_click; |
69388238 | 2004 | result->code = event->button - Button1; |
1113d9db | 2005 | result->timestamp = event->time; |
dfeccd2d | 2006 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2007 | | (event->type == ButtonRelease |
2008 | ? up_modifier | |
2009 | : down_modifier)); | |
dc6f92b8 JB |
2010 | |
2011 | /* Notice if the mouse is still grabbed. */ | |
2012 | if (event->type == ButtonPress) | |
2013 | { | |
2014 | if (! x_mouse_grabbed) | |
2015 | Vmouse_depressed = Qt; | |
90e65f07 | 2016 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2017 | last_mouse_frame = f; |
dc6f92b8 JB |
2018 | } |
2019 | else if (event->type == ButtonRelease) | |
2020 | { | |
90e65f07 | 2021 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2022 | if (!x_mouse_grabbed) |
2023 | Vmouse_depressed = Qnil; | |
2024 | } | |
2025 | ||
f451eb13 JB |
2026 | { |
2027 | int row, column; | |
dc6f92b8 | 2028 | |
2b5c9e71 | 2029 | #if 0 |
69388238 | 2030 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2031 | XFASTINT (result->x) = column; |
2032 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2033 | #endif |
09fe4c31 RS |
2034 | XSET (result->x, Lisp_Int, event->x); |
2035 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2036 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2037 | } |
dc6f92b8 | 2038 | } |
b849c413 RS |
2039 | |
2040 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2041 | ||
2042 | static Lisp_Object | |
2043 | construct_menu_click (result, event, f) | |
2044 | struct input_event *result; | |
2045 | XButtonEvent *event; | |
2046 | struct frame *f; | |
2047 | { | |
2048 | /* Make the event type no_event; we'll change that when we decide | |
2049 | otherwise. */ | |
2050 | result->kind = mouse_click; | |
2051 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2052 | result->timestamp = event->time; | |
2053 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2054 | | (event->type == ButtonRelease | |
2055 | ? up_modifier | |
2056 | : down_modifier)); | |
2057 | ||
09fe4c31 RS |
2058 | XSET (result->x, Lisp_Int, event->x); |
2059 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2060 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2061 | } |
69388238 | 2062 | \f |
90e65f07 JB |
2063 | /* Function to report a mouse movement to the mainstream Emacs code. |
2064 | The input handler calls this. | |
2065 | ||
2066 | We have received a mouse movement event, which is given in *event. | |
2067 | If the mouse is over a different glyph than it was last time, tell | |
2068 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2069 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2070 | |
90e65f07 | 2071 | static void |
12ba150f | 2072 | note_mouse_movement (frame, event) |
f676886a | 2073 | FRAME_PTR frame; |
90e65f07 JB |
2074 | XMotionEvent *event; |
2075 | ||
2076 | { | |
e5d77022 JB |
2077 | last_mouse_movement_time = event->time; |
2078 | ||
90e65f07 JB |
2079 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
2080 | if (event->x < last_mouse_glyph.x | |
2081 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2082 | || event->y < last_mouse_glyph.y | |
2083 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2084 | { |
2085 | mouse_moved = 1; | |
ab648270 | 2086 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2087 | |
2088 | note_mouse_highlight (frame, event->x, event->y); | |
2089 | ||
2090 | /* Ask for another mouse motion event. */ | |
2091 | { | |
2092 | int dummy; | |
2093 | ||
2094 | XQueryPointer (event->display, event->window, | |
2095 | (Window *) &dummy, (Window *) &dummy, | |
2096 | &dummy, &dummy, &dummy, &dummy, | |
2097 | (unsigned int *) &dummy); | |
2098 | } | |
12ba150f | 2099 | } |
90e65f07 JB |
2100 | else |
2101 | { | |
2102 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2103 | event the next time the mouse moves and we can see if it's | |
2104 | *still* on the same glyph. */ | |
2105 | int dummy; | |
2106 | ||
2107 | XQueryPointer (event->display, event->window, | |
2108 | (Window *) &dummy, (Window *) &dummy, | |
2109 | &dummy, &dummy, &dummy, &dummy, | |
2110 | (unsigned int *) &dummy); | |
2111 | } | |
2112 | } | |
2113 | ||
bf1c0ba1 RS |
2114 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2115 | static int disable_mouse_highlight; | |
2116 | ||
b8009dd1 RS |
2117 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2118 | as regards highlighting characters that have mouse-face properties. | |
2119 | Also dehighlighting chars where the mouse was before. */ | |
2120 | ||
2121 | static void | |
2122 | note_mouse_highlight (f, x, y) | |
2123 | FRAME_PTR f; | |
2124 | { | |
2125 | int row, column, portion; | |
2126 | XRectangle new_glyph; | |
2127 | Lisp_Object window; | |
2128 | struct window *w; | |
2129 | ||
bf1c0ba1 RS |
2130 | if (disable_mouse_highlight) |
2131 | return; | |
2132 | ||
b8009dd1 RS |
2133 | mouse_face_mouse_x = x; |
2134 | mouse_face_mouse_y = y; | |
2135 | mouse_face_mouse_frame = f; | |
2136 | ||
2137 | if (mouse_face_defer) | |
2138 | return; | |
2139 | ||
514e4681 RS |
2140 | if (gc_in_progress) |
2141 | { | |
2142 | mouse_face_deferred_gc = 1; | |
2143 | return; | |
2144 | } | |
2145 | ||
b8009dd1 RS |
2146 | /* Find out which glyph the mouse is on. */ |
2147 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2148 | &new_glyph, x_mouse_grabbed); | |
2149 | ||
2150 | /* Which window is that in? */ | |
2151 | window = window_from_coordinates (f, column, row, &portion); | |
2152 | w = XWINDOW (window); | |
2153 | ||
2154 | /* If we were displaying active text in another window, clear that. */ | |
2155 | if (! EQ (window, mouse_face_window)) | |
2156 | clear_mouse_face (); | |
2157 | ||
0cdd0c9f RS |
2158 | /* Are we in a window whose display is up to date? |
2159 | And verify the buffer's text has not changed. */ | |
b8009dd1 | 2160 | if (WINDOWP (window) && portion == 0 |
0cdd0c9f RS |
2161 | && EQ (w->window_end_valid, w->buffer) |
2162 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2163 | { |
2164 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2165 | int i, pos; | |
2166 | ||
2167 | /* Find which buffer position the mouse corresponds to. */ | |
2168 | for (i = column; i >= 0; i--) | |
2169 | if (ptr[i] > 0) | |
2170 | break; | |
2171 | pos = ptr[i]; | |
2172 | /* Is it outside the displayed active region (if any)? */ | |
2173 | if (pos > 0 | |
2174 | && ! (EQ (window, mouse_face_window) | |
2175 | && pos >= mouse_face_beg && pos < mouse_face_end)) | |
2176 | { | |
2177 | Lisp_Object mouse_face, overlay, position; | |
2178 | Lisp_Object *overlay_vec; | |
2179 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2180 | struct buffer *obuf; |
e444162e | 2181 | int obegv, ozv; |
f8bdb8e6 | 2182 | |
e444162e RS |
2183 | /* If we get an out-of-range value, return now; avoid an error. */ |
2184 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2185 | return; |
b8009dd1 | 2186 | |
09fe4c31 RS |
2187 | /* Make the window's buffer temporarily current for |
2188 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2189 | obuf = current_buffer; |
09fe4c31 | 2190 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2191 | obegv = BEGV; |
2192 | ozv = ZV; | |
2193 | BEGV = BEG; | |
2194 | ZV = Z; | |
09fe4c31 | 2195 | |
b8009dd1 RS |
2196 | /* Yes. Clear the display of the old active region, if any. */ |
2197 | clear_mouse_face (); | |
2198 | ||
2199 | /* Is this char mouse-active? */ | |
2200 | XSET (position, Lisp_Int, pos); | |
2201 | ||
2202 | len = 10; | |
2203 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2204 | ||
2205 | /* Put all the overlays we want in a vector in overlay_vec. | |
2206 | Store the length in len. */ | |
2207 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2208 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2209 | |
2210 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2211 | overlay = Qnil; | |
2212 | for (i = 0; i < noverlays; i++) | |
2213 | { | |
2214 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2215 | if (!NILP (mouse_face)) | |
2216 | { | |
2217 | overlay = overlay_vec[i]; | |
2218 | break; | |
2219 | } | |
2220 | } | |
2221 | free (overlay_vec); | |
2222 | /* If no overlay applies, get a text property. */ | |
2223 | if (NILP (overlay)) | |
2224 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2225 | ||
2226 | /* Handle the overlay case. */ | |
2227 | if (! NILP (overlay)) | |
2228 | { | |
2229 | /* Find the range of text around this char that | |
2230 | should be active. */ | |
2231 | Lisp_Object before, after; | |
2232 | int ignore; | |
2233 | ||
2234 | before = Foverlay_start (overlay); | |
2235 | after = Foverlay_end (overlay); | |
2236 | /* Record this as the current active region. */ | |
2237 | mouse_face_beg = XFASTINT (before); | |
2238 | mouse_face_end = XFASTINT (after); | |
2239 | mouse_face_window = window; | |
2240 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2241 | &ignore, pos + 1, 1); | |
2242 | ||
2243 | /* Display it as active. */ | |
2244 | show_mouse_face (1); | |
2245 | } | |
2246 | /* Handle the text property case. */ | |
2247 | else if (! NILP (mouse_face)) | |
2248 | { | |
2249 | /* Find the range of text around this char that | |
2250 | should be active. */ | |
2251 | Lisp_Object before, after, beginning, end; | |
2252 | int ignore; | |
2253 | ||
2254 | beginning = Fmarker_position (w->start); | |
2255 | XSET (end, Lisp_Int, | |
09fe4c31 | 2256 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2257 | - XFASTINT (w->window_end_pos))); |
2258 | before | |
2259 | = Fprevious_single_property_change (make_number (pos + 1), | |
2260 | Qmouse_face, | |
2261 | w->buffer, beginning); | |
2262 | after | |
2263 | = Fnext_single_property_change (position, Qmouse_face, | |
2264 | w->buffer, end); | |
2265 | /* Record this as the current active region. */ | |
2266 | mouse_face_beg = XFASTINT (before); | |
2267 | mouse_face_end = XFASTINT (after); | |
2268 | mouse_face_window = window; | |
2269 | mouse_face_face_id | |
2270 | = compute_char_face (f, w, pos, 0, 0, | |
2271 | &ignore, pos + 1, 1); | |
2272 | ||
2273 | /* Display it as active. */ | |
2274 | show_mouse_face (1); | |
2275 | } | |
e444162e RS |
2276 | BEGV = obegv; |
2277 | ZV = ozv; | |
09fe4c31 | 2278 | current_buffer = obuf; |
b8009dd1 RS |
2279 | } |
2280 | else if (pos <= 0) | |
2281 | clear_mouse_face (); | |
2282 | } | |
2283 | } | |
2284 | \f | |
2285 | /* Find the row and column of position POS in window WINDOW. | |
2286 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2287 | This assumes display in WINDOW is up to date. |
2288 | If POS is above start of WINDOW, return coords | |
2289 | of start of first screen line. | |
2290 | If POS is after end of WINDOW, return coords of end of last screen line. */ | |
b8009dd1 RS |
2291 | |
2292 | static int | |
2293 | fast_find_position (window, pos, columnp, rowp) | |
2294 | Lisp_Object window; | |
2295 | int pos; | |
2296 | int *columnp, *rowp; | |
2297 | { | |
2298 | struct window *w = XWINDOW (window); | |
2299 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2300 | int i; | |
2301 | int row; | |
2302 | int left = w->left; | |
2303 | int top = w->top; | |
2304 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2305 | int width = window_internal_width (w); | |
2306 | int *charstarts; | |
bf1c0ba1 | 2307 | int lastcol; |
b8009dd1 RS |
2308 | |
2309 | for (i = 0; | |
2310 | i < height; | |
2311 | i++) | |
2312 | { | |
2313 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2314 | if (linestart > pos) | |
2315 | break; | |
2316 | if (linestart > 0) | |
2317 | row = i; | |
2318 | } | |
2319 | ||
2320 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
bf1c0ba1 | 2321 | lastcol = left; |
b8009dd1 | 2322 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2323 | { |
2324 | if (charstarts[left + i] == pos) | |
2325 | { | |
2326 | *rowp = row + top; | |
2327 | *columnp = i + left; | |
2328 | return 1; | |
2329 | } | |
2330 | else if (charstarts[left + i] > pos) | |
2331 | lastcol = left + i; | |
2332 | } | |
b8009dd1 | 2333 | |
bf1c0ba1 RS |
2334 | *rowp = row + top; |
2335 | *columnp = lastcol; | |
b8009dd1 RS |
2336 | return 0; |
2337 | } | |
2338 | ||
2339 | /* Display the active region described by mouse_face_* | |
2340 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2341 | ||
2342 | static void | |
2343 | show_mouse_face (hl) | |
2344 | int hl; | |
2345 | { | |
2346 | int begcol, begrow, endcol, endrow; | |
2347 | struct window *w = XWINDOW (mouse_face_window); | |
2348 | int width = window_internal_width (w); | |
2349 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2350 | int i; | |
514e4681 RS |
2351 | int curs_x = f->phys_cursor_x; |
2352 | int curs_y = f->phys_cursor_y; | |
2353 | int cursor_off = 0; | |
b8009dd1 RS |
2354 | |
2355 | fast_find_position (mouse_face_window, mouse_face_beg, | |
2356 | &begcol, &begrow); | |
2357 | fast_find_position (mouse_face_window, mouse_face_end, | |
2358 | &endcol, &endrow); | |
2359 | ||
b8009dd1 RS |
2360 | for (i = begrow; i <= endrow; i++) |
2361 | { | |
2362 | int column = (i == begrow ? begcol : w->left); | |
2363 | int endcolumn = (i == endrow ? endcol : w->left + width); | |
514e4681 RS |
2364 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i] - w->left); |
2365 | ||
2366 | /* If the cursor's in the text we are about to rewrite, | |
2367 | turn the cursor off. */ | |
2368 | if (i == curs_y | |
2369 | && (curs_x >= begrow - 1 || curs_x <= endrow)) | |
2370 | { | |
2371 | x_display_cursor (f, 0); | |
2372 | cursor_off = 1; | |
2373 | } | |
b8009dd1 RS |
2374 | |
2375 | dumpglyphs (f, | |
2376 | CHAR_TO_PIXEL_COL (f, column), | |
2377 | CHAR_TO_PIXEL_ROW (f, i), | |
2378 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2379 | endcolumn - column, | |
2380 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2381 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2382 | } |
2383 | ||
514e4681 RS |
2384 | /* If we turned the cursor off, turn it back on. */ |
2385 | if (cursor_off) | |
2386 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2387 | |
2388 | /* Change the mouse cursor according to the value of HL. */ | |
2389 | if (hl > 0) | |
2390 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2391 | else | |
2392 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2393 | } |
2394 | ||
2395 | /* Clear out the mouse-highlighted active region. | |
2396 | Redraw it unhighlighted first. */ | |
2397 | ||
2398 | static void | |
2399 | clear_mouse_face () | |
2400 | { | |
2401 | if (! NILP (mouse_face_window)) | |
2402 | show_mouse_face (0); | |
2403 | ||
2404 | mouse_face_beg = -1; | |
2405 | mouse_face_end = -1; | |
2406 | mouse_face_window = Qnil; | |
2407 | } | |
2408 | \f | |
ab648270 JB |
2409 | static struct scroll_bar *x_window_to_scroll_bar (); |
2410 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2411 | |
90e65f07 JB |
2412 | /* Return the current position of the mouse. |
2413 | ||
ab648270 JB |
2414 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2415 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2416 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2417 | position on the scroll bar. |
12ba150f JB |
2418 | |
2419 | If the mouse movement started elsewhere, set *f to the frame the | |
2420 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2421 | the mouse is over. | |
2422 | ||
2423 | Set *time to the server timestamp for the time at which the mouse | |
2424 | was at this position. | |
2425 | ||
a135645a RS |
2426 | Don't store anything if we don't have a valid set of values to report. |
2427 | ||
90e65f07 | 2428 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2429 | movement. This also calls XQueryPointer, which will cause the |
2430 | server to give us another MotionNotify when the mouse moves | |
2431 | again. */ | |
90e65f07 JB |
2432 | |
2433 | static void | |
12ba150f | 2434 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2435 | FRAME_PTR *f; |
12ba150f | 2436 | Lisp_Object *bar_window; |
ab648270 | 2437 | enum scroll_bar_part *part; |
90e65f07 | 2438 | Lisp_Object *x, *y; |
e5d77022 | 2439 | unsigned long *time; |
90e65f07 | 2440 | { |
a135645a RS |
2441 | FRAME_PTR f1; |
2442 | ||
90e65f07 JB |
2443 | BLOCK_INPUT; |
2444 | ||
ab648270 JB |
2445 | if (! NILP (last_mouse_scroll_bar)) |
2446 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2447 | else |
2448 | { | |
12ba150f JB |
2449 | Window root; |
2450 | int root_x, root_y; | |
90e65f07 | 2451 | |
12ba150f JB |
2452 | Window dummy_window; |
2453 | int dummy; | |
2454 | ||
2455 | mouse_moved = 0; | |
ab648270 | 2456 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2457 | |
2458 | /* Figure out which root window we're on. */ | |
2459 | XQueryPointer (x_current_display, | |
2460 | DefaultRootWindow (x_current_display), | |
2461 | ||
2462 | /* The root window which contains the pointer. */ | |
2463 | &root, | |
2464 | ||
2465 | /* Trash which we can't trust if the pointer is on | |
2466 | a different screen. */ | |
2467 | &dummy_window, | |
2468 | ||
2469 | /* The position on that root window. */ | |
2470 | &root_x, &root_y, | |
2471 | ||
2472 | /* More trash we can't trust. */ | |
2473 | &dummy, &dummy, | |
2474 | ||
2475 | /* Modifier keys and pointer buttons, about which | |
2476 | we don't care. */ | |
2477 | (unsigned int *) &dummy); | |
2478 | ||
2479 | /* Now we have a position on the root; find the innermost window | |
2480 | containing the pointer. */ | |
2481 | { | |
2482 | Window win, child; | |
2483 | int win_x, win_y; | |
2484 | int parent_x, parent_y; | |
2485 | ||
2486 | win = root; | |
69388238 RS |
2487 | |
2488 | if (x_mouse_grabbed) | |
12ba150f | 2489 | { |
69388238 RS |
2490 | /* If mouse was grabbed on a frame, give coords for that frame |
2491 | even if the mouse is now outside it. */ | |
12ba150f | 2492 | XTranslateCoordinates (x_current_display, |
69388238 | 2493 | |
12ba150f | 2494 | /* From-window, to-window. */ |
69388238 | 2495 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2496 | |
2497 | /* From-position, to-position. */ | |
2498 | root_x, root_y, &win_x, &win_y, | |
2499 | ||
2500 | /* Child of win. */ | |
2501 | &child); | |
69388238 RS |
2502 | f1 = last_mouse_frame; |
2503 | } | |
2504 | else | |
2505 | { | |
2506 | while (1) | |
2507 | { | |
2508 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2509 | |
69388238 RS |
2510 | /* From-window, to-window. */ |
2511 | root, win, | |
12ba150f | 2512 | |
69388238 RS |
2513 | /* From-position, to-position. */ |
2514 | root_x, root_y, &win_x, &win_y, | |
2515 | ||
2516 | /* Child of win. */ | |
2517 | &child); | |
2518 | ||
2519 | if (child == None) | |
2520 | break; | |
2521 | ||
2522 | win = child; | |
2523 | parent_x = win_x; | |
2524 | parent_y = win_y; | |
2525 | } | |
12ba150f | 2526 | |
69388238 RS |
2527 | /* Now we know that: |
2528 | win is the innermost window containing the pointer | |
2529 | (XTC says it has no child containing the pointer), | |
2530 | win_x and win_y are the pointer's position in it | |
2531 | (XTC did this the last time through), and | |
2532 | parent_x and parent_y are the pointer's position in win's parent. | |
2533 | (They are what win_x and win_y were when win was child. | |
2534 | If win is the root window, it has no parent, and | |
2535 | parent_{x,y} are invalid, but that's okay, because we'll | |
2536 | never use them in that case.) */ | |
2537 | ||
2538 | /* Is win one of our frames? */ | |
2b5c9e71 | 2539 | f1 = x_any_window_to_frame (win); |
69388238 | 2540 | } |
12ba150f | 2541 | |
ab648270 | 2542 | /* If not, is it one of our scroll bars? */ |
a135645a | 2543 | if (! f1) |
12ba150f | 2544 | { |
ab648270 | 2545 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2546 | |
2547 | if (bar) | |
2548 | { | |
a135645a | 2549 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2550 | win_x = parent_x; |
2551 | win_y = parent_y; | |
2552 | } | |
2553 | } | |
90e65f07 | 2554 | |
a135645a | 2555 | if (f1) |
12ba150f | 2556 | { |
2b5c9e71 RS |
2557 | int ignore1, ignore2; |
2558 | ||
2559 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2560 | |
2b5c9e71 | 2561 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2562 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2563 | |
2564 | *bar_window = Qnil; | |
2565 | *part = 0; | |
a135645a | 2566 | *f = f1; |
12ba150f JB |
2567 | XSET (*x, Lisp_Int, win_x); |
2568 | XSET (*y, Lisp_Int, win_y); | |
2569 | *time = last_mouse_movement_time; | |
2570 | } | |
2571 | } | |
2572 | } | |
90e65f07 JB |
2573 | |
2574 | UNBLOCK_INPUT; | |
2575 | } | |
2576 | ||
c118dd06 | 2577 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2578 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2579 | #endif /* ! defined (HAVE_X11) */ |
2580 | \f | |
ab648270 | 2581 | /* Scroll bar support. */ |
f451eb13 | 2582 | |
ab648270 JB |
2583 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2584 | This can be called in GC, so we have to make sure to strip off mark | |
2585 | bits. */ | |
2586 | static struct scroll_bar * | |
2587 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2588 | Window window_id; |
2589 | { | |
2590 | Lisp_Object tail, frame; | |
f451eb13 | 2591 | |
ab648270 JB |
2592 | for (tail = Vframe_list; |
2593 | XGCTYPE (tail) == Lisp_Cons; | |
2594 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2595 | { |
abdda982 | 2596 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2597 | |
abdda982 | 2598 | frame = XCONS (tail)->car; |
f451eb13 | 2599 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2600 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2601 | abort (); |
2602 | ||
ab648270 | 2603 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2604 | right window ID. */ |
ab648270 JB |
2605 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2606 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2607 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2608 | condemned scroll bar lists with one loop. */ |
2609 | ! GC_NILP (bar) || (bar = condemned, | |
2610 | condemned = Qnil, | |
2611 | ! GC_NILP (bar)); | |
bc20ebbf | 2612 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2613 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2614 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2615 | } |
2616 | ||
2617 | return 0; | |
2618 | } | |
2619 | ||
ab648270 JB |
2620 | /* Open a new X window to serve as a scroll bar, and return the |
2621 | scroll bar vector for it. */ | |
2622 | static struct scroll_bar * | |
2623 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2624 | struct window *window; |
f451eb13 JB |
2625 | int top, left, width, height; |
2626 | { | |
12ba150f | 2627 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2628 | struct scroll_bar *bar = |
2629 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2630 | |
2631 | BLOCK_INPUT; | |
2632 | ||
2633 | { | |
2634 | XSetWindowAttributes a; | |
2635 | unsigned long mask; | |
12ba150f JB |
2636 | a.background_pixel = frame->display.x->background_pixel; |
2637 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2638 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2639 | | ExposureMask); |
ab648270 | 2640 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2641 | |
dbc4e1c1 | 2642 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2643 | |
3afe33e7 RS |
2644 | #if 0 |
2645 | ||
2646 | ac = 0; | |
2647 | XtSetArg (al[ac], XtNx, left); ac++; | |
2648 | XtSetArg (al[ac], XtNy, top); ac++; | |
2649 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2650 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2651 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2652 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2653 | boxWidgetClass, |
2654 | frame->display.x->edit_widget, al, ac); | |
2655 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2656 | (bar, sb_widget->core.window); |
2657 | #endif | |
7246d1d3 | 2658 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2659 | (bar, |
2660 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2661 | |
ab648270 | 2662 | /* Position and size of scroll bar. */ |
12ba150f | 2663 | left, top, width, height, |
f451eb13 | 2664 | |
12ba150f JB |
2665 | /* Border width, depth, class, and visual. */ |
2666 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2667 | |
12ba150f JB |
2668 | /* Attributes. */ |
2669 | mask, &a)); | |
f451eb13 JB |
2670 | } |
2671 | ||
12ba150f JB |
2672 | XSET (bar->window, Lisp_Window, window); |
2673 | XSET (bar->top, Lisp_Int, top); | |
2674 | XSET (bar->left, Lisp_Int, left); | |
2675 | XSET (bar->width, Lisp_Int, width); | |
2676 | XSET (bar->height, Lisp_Int, height); | |
2677 | XSET (bar->start, Lisp_Int, 0); | |
2678 | XSET (bar->end, Lisp_Int, 0); | |
2679 | bar->dragging = Qnil; | |
f451eb13 JB |
2680 | |
2681 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2682 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2683 | bar->prev = Qnil; |
ab648270 | 2684 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2685 | if (! NILP (bar->next)) |
ab648270 | 2686 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2687 | |
ab648270 | 2688 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2689 | |
2690 | UNBLOCK_INPUT; | |
12ba150f JB |
2691 | |
2692 | return bar; | |
f451eb13 JB |
2693 | } |
2694 | ||
12ba150f JB |
2695 | /* Draw BAR's handle in the proper position. |
2696 | If the handle is already drawn from START to END, don't bother | |
2697 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2698 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2699 | events.) | |
2700 | ||
2701 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2702 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2703 | handle, we want to let them drag it down all the way, so that the |
2704 | bar's top is as far down as it goes; otherwise, there's no way to | |
2705 | move to the very end of the buffer. */ | |
f451eb13 | 2706 | static void |
ab648270 JB |
2707 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2708 | struct scroll_bar *bar; | |
f451eb13 | 2709 | int start, end; |
12ba150f | 2710 | int rebuild; |
f451eb13 | 2711 | { |
12ba150f | 2712 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2713 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2714 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2715 | ||
2716 | /* If the display is already accurate, do nothing. */ | |
2717 | if (! rebuild | |
2718 | && start == XINT (bar->start) | |
2719 | && end == XINT (bar->end)) | |
2720 | return; | |
2721 | ||
f451eb13 JB |
2722 | BLOCK_INPUT; |
2723 | ||
2724 | { | |
ab648270 JB |
2725 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2726 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2727 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2728 | |
2729 | /* Make sure the values are reasonable, and try to preserve | |
2730 | the distance between start and end. */ | |
12ba150f JB |
2731 | { |
2732 | int length = end - start; | |
2733 | ||
2734 | if (start < 0) | |
2735 | start = 0; | |
2736 | else if (start > top_range) | |
2737 | start = top_range; | |
2738 | end = start + length; | |
2739 | ||
2740 | if (end < start) | |
2741 | end = start; | |
2742 | else if (end > top_range && ! dragging) | |
2743 | end = top_range; | |
2744 | } | |
f451eb13 | 2745 | |
ab648270 | 2746 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2747 | XSET (bar->start, Lisp_Int, start); |
2748 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2749 | |
12ba150f JB |
2750 | /* Clip the end position, just for display. */ |
2751 | if (end > top_range) | |
2752 | end = top_range; | |
f451eb13 | 2753 | |
ab648270 | 2754 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2755 | below top positions, to make sure the handle is always at least |
2756 | that many pixels tall. */ | |
ab648270 | 2757 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2758 | |
12ba150f JB |
2759 | /* Draw the empty space above the handle. Note that we can't clear |
2760 | zero-height areas; that means "clear to end of window." */ | |
2761 | if (0 < start) | |
2762 | XClearArea (x_current_display, w, | |
f451eb13 | 2763 | |
12ba150f | 2764 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2765 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2766 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2767 | inside_width, start, |
2768 | False); | |
f451eb13 | 2769 | |
12ba150f JB |
2770 | /* Draw the handle itself. */ |
2771 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2772 | |
12ba150f | 2773 | /* x, y, width, height */ |
ab648270 JB |
2774 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2775 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2776 | inside_width, end - start); |
f451eb13 | 2777 | |
f451eb13 | 2778 | |
12ba150f JB |
2779 | /* Draw the empty space below the handle. Note that we can't |
2780 | clear zero-height areas; that means "clear to end of window." */ | |
2781 | if (end < inside_height) | |
2782 | XClearArea (x_current_display, w, | |
f451eb13 | 2783 | |
12ba150f | 2784 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2785 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2786 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2787 | inside_width, inside_height - end, |
2788 | False); | |
f451eb13 | 2789 | |
f451eb13 JB |
2790 | } |
2791 | ||
f451eb13 JB |
2792 | UNBLOCK_INPUT; |
2793 | } | |
2794 | ||
eb8c3be9 | 2795 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2796 | window configurations. */ |
f451eb13 | 2797 | static void |
ab648270 JB |
2798 | x_scroll_bar_move (bar, top, left, width, height) |
2799 | struct scroll_bar *bar; | |
f451eb13 JB |
2800 | int top, left, width, height; |
2801 | { | |
2802 | BLOCK_INPUT; | |
2803 | ||
2804 | { | |
2805 | XWindowChanges wc; | |
2806 | unsigned int mask = 0; | |
2807 | ||
2808 | wc.x = left; | |
2809 | wc.y = top; | |
2810 | wc.width = width; | |
2811 | wc.height = height; | |
2812 | ||
12ba150f JB |
2813 | if (left != XINT (bar->left)) mask |= CWX; |
2814 | if (top != XINT (bar->top)) mask |= CWY; | |
2815 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2816 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2817 | ||
2818 | if (mask) | |
ab648270 | 2819 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2820 | mask, &wc); |
f451eb13 JB |
2821 | } |
2822 | ||
12ba150f JB |
2823 | XSET (bar->left, Lisp_Int, left); |
2824 | XSET (bar->top, Lisp_Int, top); | |
2825 | XSET (bar->width, Lisp_Int, width); | |
2826 | XSET (bar->height, Lisp_Int, height); | |
2827 | ||
f451eb13 JB |
2828 | UNBLOCK_INPUT; |
2829 | } | |
2830 | ||
ab648270 | 2831 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2832 | to nil. */ |
2833 | static void | |
ab648270 JB |
2834 | x_scroll_bar_remove (bar) |
2835 | struct scroll_bar *bar; | |
12ba150f JB |
2836 | { |
2837 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2838 | ||
2839 | BLOCK_INPUT; | |
2840 | ||
2841 | /* Destroy the window. */ | |
ab648270 | 2842 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2843 | |
ab648270 JB |
2844 | /* Disassociate this scroll bar from its window. */ |
2845 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2846 | |
2847 | UNBLOCK_INPUT; | |
2848 | } | |
2849 | ||
2850 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2851 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2852 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2853 | create one. */ |
2854 | static void | |
ab648270 | 2855 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2856 | struct window *window; |
2857 | int portion, whole, position; | |
2858 | { | |
2859 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2860 | int top = XINT (window->top); |
ab648270 JB |
2861 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2862 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2863 | |
ab648270 | 2864 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2865 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2866 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2867 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2868 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2869 | |
ab648270 | 2870 | struct scroll_bar *bar; |
12ba150f | 2871 | |
ab648270 JB |
2872 | /* Does the scroll bar exist yet? */ |
2873 | if (NILP (window->vertical_scroll_bar)) | |
2874 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2875 | pixel_top, pixel_left, |
2876 | pixel_width, pixel_height); | |
2877 | else | |
12ba150f JB |
2878 | { |
2879 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2880 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2881 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2882 | } |
f451eb13 | 2883 | |
ab648270 | 2884 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2885 | dragged. */ |
12ba150f | 2886 | if (NILP (bar->dragging)) |
f451eb13 | 2887 | { |
12ba150f | 2888 | int top_range = |
ab648270 | 2889 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2890 | |
12ba150f | 2891 | if (whole == 0) |
ab648270 | 2892 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2893 | else |
2894 | { | |
43f868f5 JB |
2895 | int start = ((double) position * top_range) / whole; |
2896 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2897 | |
ab648270 | 2898 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2899 | } |
f451eb13 JB |
2900 | } |
2901 | ||
ab648270 | 2902 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2903 | } |
2904 | ||
12ba150f | 2905 | |
f451eb13 | 2906 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2907 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2908 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2909 | away is a real pain - "Can you say set-window-configuration, boys |
2910 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2911 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2912 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2913 | |
ab648270 JB |
2914 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2915 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2916 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2917 | static void |
ab648270 | 2918 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2919 | FRAME_PTR frame; |
2920 | { | |
12ba150f JB |
2921 | /* The condemned list should be empty at this point; if it's not, |
2922 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2923 | protocol correctly. */ | |
ab648270 | 2924 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2925 | abort (); |
2926 | ||
2927 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2928 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2929 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2930 | } |
2931 | ||
ab648270 | 2932 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2933 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2934 | static void |
ab648270 | 2935 | XTredeem_scroll_bar (window) |
12ba150f | 2936 | struct window *window; |
f451eb13 | 2937 | { |
ab648270 | 2938 | struct scroll_bar *bar; |
12ba150f | 2939 | |
ab648270 JB |
2940 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2941 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2942 | abort (); |
2943 | ||
ab648270 | 2944 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2945 | |
2946 | /* Unlink it from the condemned list. */ | |
2947 | { | |
2948 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2949 | ||
2950 | if (NILP (bar->prev)) | |
2951 | { | |
2952 | /* If the prev pointer is nil, it must be the first in one of | |
2953 | the lists. */ | |
ab648270 | 2954 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2955 | /* It's not condemned. Everything's fine. */ |
2956 | return; | |
ab648270 JB |
2957 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2958 | window->vertical_scroll_bar)) | |
2959 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2960 | else |
2961 | /* If its prev pointer is nil, it must be at the front of | |
2962 | one or the other! */ | |
2963 | abort (); | |
2964 | } | |
2965 | else | |
ab648270 | 2966 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2967 | |
2968 | if (! NILP (bar->next)) | |
ab648270 | 2969 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2970 | |
ab648270 | 2971 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2972 | bar->prev = Qnil; |
ab648270 | 2973 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2974 | if (! NILP (bar->next)) |
ab648270 | 2975 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2976 | } |
f451eb13 JB |
2977 | } |
2978 | ||
ab648270 JB |
2979 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2980 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2981 | static void |
ab648270 | 2982 | XTjudge_scroll_bars (f) |
12ba150f | 2983 | FRAME_PTR f; |
f451eb13 | 2984 | { |
12ba150f | 2985 | Lisp_Object bar, next; |
f451eb13 | 2986 | |
ab648270 | 2987 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2988 | |
2989 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2990 | more events on the hapless scroll bars. */ |
2991 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2992 | |
2993 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2994 | { |
ab648270 | 2995 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2996 | |
ab648270 | 2997 | x_scroll_bar_remove (b); |
12ba150f JB |
2998 | |
2999 | next = b->next; | |
3000 | b->next = b->prev = Qnil; | |
f451eb13 | 3001 | } |
12ba150f | 3002 | |
ab648270 | 3003 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3004 | and they should get garbage-collected. */ |
f451eb13 JB |
3005 | } |
3006 | ||
3007 | ||
ab648270 JB |
3008 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3009 | ||
3010 | This may be called from a signal handler, so we have to ignore GC | |
3011 | mark bits. */ | |
f451eb13 | 3012 | static void |
ab648270 JB |
3013 | x_scroll_bar_expose (bar, event) |
3014 | struct scroll_bar *bar; | |
f451eb13 JB |
3015 | XEvent *event; |
3016 | { | |
ab648270 | 3017 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3018 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3019 | ||
f451eb13 JB |
3020 | BLOCK_INPUT; |
3021 | ||
ab648270 | 3022 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3023 | |
ab648270 | 3024 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3025 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3026 | |
3027 | /* x, y, width, height */ | |
12ba150f | 3028 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3029 | |
f451eb13 JB |
3030 | UNBLOCK_INPUT; |
3031 | } | |
3032 | ||
ab648270 JB |
3033 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3034 | is set to something other than no_event, it is enqueued. | |
3035 | ||
3036 | This may be called from a signal handler, so we have to ignore GC | |
3037 | mark bits. */ | |
f451eb13 | 3038 | static void |
ab648270 JB |
3039 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3040 | struct scroll_bar *bar; | |
f451eb13 JB |
3041 | XEvent *event; |
3042 | struct input_event *emacs_event; | |
3043 | { | |
ab648270 | 3044 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3045 | abort (); |
3046 | ||
ab648270 | 3047 | emacs_event->kind = scroll_bar_click; |
69388238 | 3048 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3049 | emacs_event->modifiers = |
dfeccd2d | 3050 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3051 | | (event->type == ButtonRelease |
3052 | ? up_modifier | |
3053 | : down_modifier)); | |
12ba150f | 3054 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3055 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3056 | { |
3057 | int internal_height = | |
ab648270 | 3058 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3059 | int top_range = |
ab648270 JB |
3060 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3061 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3062 | |
3063 | if (y < 0) y = 0; | |
3064 | if (y > top_range) y = top_range; | |
3065 | ||
3066 | if (y < XINT (bar->start)) | |
ab648270 JB |
3067 | emacs_event->part = scroll_bar_above_handle; |
3068 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3069 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3070 | else |
ab648270 | 3071 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3072 | |
3073 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3074 | they want to drag it. Lisp code needs to be able to decide |
3075 | whether or not we're dragging. */ | |
929787e1 | 3076 | #if 0 |
12ba150f JB |
3077 | /* If the user has just clicked on the handle, record where they're |
3078 | holding it. */ | |
3079 | if (event->type == ButtonPress | |
ab648270 | 3080 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3081 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3082 | #endif |
12ba150f JB |
3083 | |
3084 | /* If the user has released the handle, set it to its final position. */ | |
3085 | if (event->type == ButtonRelease | |
3086 | && ! NILP (bar->dragging)) | |
3087 | { | |
3088 | int new_start = y - XINT (bar->dragging); | |
3089 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3090 | |
ab648270 | 3091 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3092 | bar->dragging = Qnil; |
3093 | } | |
f451eb13 | 3094 | |
5116f055 JB |
3095 | /* Same deal here as the other #if 0. */ |
3096 | #if 0 | |
eb8c3be9 | 3097 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3098 | the handle. */ |
ab648270 | 3099 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3100 | emacs_event->x = bar->start; |
3101 | else | |
3102 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3103 | #else |
3104 | XSET (emacs_event->x, Lisp_Int, y); | |
3105 | #endif | |
f451eb13 | 3106 | |
12ba150f JB |
3107 | XSET (emacs_event->y, Lisp_Int, top_range); |
3108 | } | |
3109 | } | |
f451eb13 | 3110 | |
ab648270 JB |
3111 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3112 | ||
3113 | This may be called from a signal handler, so we have to ignore GC | |
3114 | mark bits. */ | |
f451eb13 | 3115 | static void |
ab648270 JB |
3116 | x_scroll_bar_note_movement (bar, event) |
3117 | struct scroll_bar *bar; | |
f451eb13 JB |
3118 | XEvent *event; |
3119 | { | |
3120 | last_mouse_movement_time = event->xmotion.time; | |
3121 | ||
3122 | mouse_moved = 1; | |
ab648270 | 3123 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3124 | |
3125 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3126 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3127 | { |
3128 | /* Where should the handle be now? */ | |
12ba150f | 3129 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3130 | |
12ba150f | 3131 | if (new_start != XINT (bar->start)) |
f451eb13 | 3132 | { |
12ba150f | 3133 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3134 | |
ab648270 | 3135 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3136 | } |
3137 | } | |
3138 | ||
3139 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3140 | moves and we can see *still* on the same position. */ | |
3141 | { | |
3142 | int dummy; | |
3143 | ||
3144 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3145 | (Window *) &dummy, (Window *) &dummy, | |
3146 | &dummy, &dummy, &dummy, &dummy, | |
3147 | (unsigned int *) &dummy); | |
3148 | } | |
3149 | } | |
3150 | ||
12ba150f | 3151 | /* Return information to the user about the current position of the mouse |
ab648270 | 3152 | on the scroll bar. */ |
12ba150f | 3153 | static void |
ab648270 | 3154 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3155 | FRAME_PTR *f; |
3156 | Lisp_Object *bar_window; | |
ab648270 | 3157 | enum scroll_bar_part *part; |
12ba150f JB |
3158 | Lisp_Object *x, *y; |
3159 | unsigned long *time; | |
3160 | { | |
ab648270 | 3161 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3162 | int win_x, win_y; |
559cb2fb JB |
3163 | Window dummy_window; |
3164 | int dummy_coord; | |
3165 | unsigned int dummy_mask; | |
12ba150f | 3166 | |
cf7cb199 JB |
3167 | BLOCK_INPUT; |
3168 | ||
ab648270 | 3169 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3170 | report that. */ |
559cb2fb JB |
3171 | if (! XQueryPointer (x_current_display, |
3172 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3173 | |
559cb2fb JB |
3174 | /* Root, child, root x and root y. */ |
3175 | &dummy_window, &dummy_window, | |
3176 | &dummy_coord, &dummy_coord, | |
12ba150f | 3177 | |
559cb2fb JB |
3178 | /* Position relative to scroll bar. */ |
3179 | &win_x, &win_y, | |
12ba150f | 3180 | |
559cb2fb JB |
3181 | /* Mouse buttons and modifier keys. */ |
3182 | &dummy_mask)) | |
3183 | *f = 0; | |
3184 | else | |
3185 | { | |
3186 | int inside_height | |
3187 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3188 | int top_range | |
3189 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3190 | ||
3191 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3192 | ||
3193 | if (! NILP (bar->dragging)) | |
3194 | win_y -= XINT (bar->dragging); | |
3195 | ||
3196 | if (win_y < 0) | |
3197 | win_y = 0; | |
3198 | if (win_y > top_range) | |
3199 | win_y = top_range; | |
3200 | ||
3201 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3202 | *bar_window = bar->window; | |
3203 | ||
3204 | if (! NILP (bar->dragging)) | |
3205 | *part = scroll_bar_handle; | |
3206 | else if (win_y < XINT (bar->start)) | |
3207 | *part = scroll_bar_above_handle; | |
3208 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3209 | *part = scroll_bar_handle; | |
3210 | else | |
3211 | *part = scroll_bar_below_handle; | |
12ba150f | 3212 | |
559cb2fb JB |
3213 | XSET (*x, Lisp_Int, win_y); |
3214 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3215 | |
559cb2fb JB |
3216 | mouse_moved = 0; |
3217 | last_mouse_scroll_bar = Qnil; | |
3218 | } | |
12ba150f | 3219 | |
559cb2fb | 3220 | *time = last_mouse_movement_time; |
cf7cb199 | 3221 | |
cf7cb199 | 3222 | UNBLOCK_INPUT; |
12ba150f JB |
3223 | } |
3224 | ||
f451eb13 | 3225 | |
dbc4e1c1 | 3226 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3227 | background colors, and the scroll bars may need to be redrawn. |
3228 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3229 | redraw them. */ |
3230 | ||
ab648270 | 3231 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3232 | FRAME_PTR f; |
3233 | { | |
3234 | Lisp_Object bar; | |
3235 | ||
ab648270 | 3236 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3237 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3238 | bar = XSCROLL_BAR (bar)->next) |
3239 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3240 | 0, 0, 0, 0, True); |
3241 | } | |
3242 | ||
3afe33e7 RS |
3243 | /* This processes Expose events from the menubar specific X event |
3244 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3245 | when handling menubar or popup items. */ | |
3246 | ||
3247 | void | |
3248 | process_expose_from_menu (event) | |
3249 | XEvent event; | |
3250 | { | |
3251 | FRAME_PTR f; | |
3252 | ||
f94397b5 KH |
3253 | BLOCK_INPUT; |
3254 | ||
3afe33e7 RS |
3255 | f = x_window_to_frame (event.xexpose.window); |
3256 | if (f) | |
3257 | { | |
3258 | if (f->async_visible == 0) | |
3259 | { | |
3260 | f->async_visible = 1; | |
3261 | f->async_iconified = 0; | |
3262 | SET_FRAME_GARBAGED (f); | |
3263 | } | |
3264 | else | |
3265 | { | |
3266 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3267 | event.xexpose.x, event.xexpose.y, | |
3268 | event.xexpose.width, event.xexpose.height); | |
3269 | } | |
3270 | } | |
3271 | else | |
3272 | { | |
3273 | struct scroll_bar *bar | |
3274 | = x_window_to_scroll_bar (event.xexpose.window); | |
3275 | ||
3276 | if (bar) | |
3277 | x_scroll_bar_expose (bar, &event); | |
3278 | } | |
f94397b5 KH |
3279 | |
3280 | UNBLOCK_INPUT; | |
3afe33e7 | 3281 | } |
dbc4e1c1 | 3282 | |
f451eb13 JB |
3283 | \f |
3284 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3285 | |
dc6f92b8 JB |
3286 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3287 | but we have to put it out here, since static variables within functions | |
3288 | sometimes don't work. */ | |
3289 | static Time enter_timestamp; | |
3290 | ||
11edeb03 JB |
3291 | /* This holds the state XLookupString needs to implement dead keys |
3292 | and other tricks known as "compose processing". _X Window System_ | |
3293 | says that a portable program can't use this, but Stephen Gildea assures | |
3294 | me that letting the compiler initialize it to zeros will work okay. | |
3295 | ||
3296 | This must be defined outside of XTread_socket, for the same reasons | |
3297 | given for enter_timestamp, above. */ | |
3298 | static XComposeStatus compose_status; | |
3299 | ||
c047688c JA |
3300 | /* Communication with window managers. */ |
3301 | Atom Xatom_wm_protocols; | |
3302 | ||
3303 | /* Kinds of protocol things we may receive. */ | |
3304 | Atom Xatom_wm_take_focus; | |
3305 | Atom Xatom_wm_save_yourself; | |
3306 | Atom Xatom_wm_delete_window; | |
3307 | ||
3308 | /* Other WM communication */ | |
3309 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3310 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3311 | ||
d56a553a RS |
3312 | /* Window manager communication. */ |
3313 | Atom Xatom_wm_change_state; | |
3314 | ||
c2df547c RS |
3315 | /* EditRes protocol */ |
3316 | Atom Xatom_editres_name; | |
3317 | ||
10e6549c RS |
3318 | /* Record the last 100 characters stored |
3319 | to help debug the loss-of-chars-during-GC problem. */ | |
3320 | int temp_index; | |
3321 | short temp_buffer[100]; | |
3322 | ||
dc6f92b8 JB |
3323 | /* Read events coming from the X server. |
3324 | This routine is called by the SIGIO handler. | |
3325 | We return as soon as there are no more events to be read. | |
3326 | ||
3327 | Events representing keys are stored in buffer BUFP, | |
3328 | which can hold up to NUMCHARS characters. | |
3329 | We return the number of characters stored into the buffer, | |
3330 | thus pretending to be `read'. | |
3331 | ||
3332 | WAITP is nonzero if we should block until input arrives. | |
3333 | EXPECTED is nonzero if the caller knows input is available. */ | |
3334 | ||
7c5283e4 | 3335 | int |
dc6f92b8 JB |
3336 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3337 | register int sd; | |
3338 | register struct input_event *bufp; | |
3339 | register int numchars; | |
3340 | int waitp; | |
3341 | int expected; | |
3342 | { | |
3343 | int count = 0; | |
3344 | int nbytes = 0; | |
3345 | int mask; | |
3346 | int items_pending; /* How many items are in the X queue. */ | |
3347 | XEvent event; | |
f676886a | 3348 | struct frame *f; |
66f55a9d | 3349 | int event_found = 0; |
dc6f92b8 JB |
3350 | int prefix; |
3351 | Lisp_Object part; | |
3352 | ||
9ac0d9e0 | 3353 | if (interrupt_input_blocked) |
dc6f92b8 | 3354 | { |
9ac0d9e0 | 3355 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3356 | return -1; |
3357 | } | |
3358 | ||
9ac0d9e0 | 3359 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3360 | BLOCK_INPUT; |
3361 | ||
3362 | if (numchars <= 0) | |
3363 | abort (); /* Don't think this happens. */ | |
3364 | ||
3365 | #ifdef FIOSNBIO | |
3366 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3367 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3368 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3369 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3370 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3371 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3372 | |
3373 | #ifndef SIGIO | |
3374 | #ifndef HAVE_SELECT | |
3375 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3376 | { | |
3377 | extern int read_alarm_should_throw; | |
3378 | read_alarm_should_throw = 1; | |
3379 | XPeekEvent (XDISPLAY &event); | |
3380 | read_alarm_should_throw = 0; | |
3381 | } | |
c118dd06 JB |
3382 | #endif /* HAVE_SELECT */ |
3383 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3384 | |
3385 | while (XStuffPending () != 0) | |
3386 | { | |
3387 | XNextEvent (XDISPLAY &event); | |
3388 | event_found = 1; | |
3389 | ||
3390 | switch (event.type) | |
3391 | { | |
3392 | #ifdef HAVE_X11 | |
c047688c JA |
3393 | case ClientMessage: |
3394 | { | |
3395 | if (event.xclient.message_type == Xatom_wm_protocols | |
3396 | && event.xclient.format == 32) | |
3397 | { | |
3398 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3399 | { | |
3afe33e7 | 3400 | f = x_window_to_frame (event.xclient.window); |
5627c40e | 3401 | #if 0 /* x_focus_on_frame is a no-op anyway. */ |
f676886a JB |
3402 | if (f) |
3403 | x_focus_on_frame (f); | |
5627c40e RS |
3404 | else |
3405 | #endif | |
3406 | /* Since we set WM_TAKE_FOCUS, we must call | |
3407 | XSetInputFocus explicitly. */ | |
3408 | XSetInputFocus (event.xclient.display, | |
3409 | event.xclient.window, | |
3410 | RevertToPointerRoot, | |
3411 | event.xclient.data.l[1]); | |
ab648270 | 3412 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3413 | } |
3414 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3415 | { | |
3416 | /* Save state modify the WM_COMMAND property to | |
3417 | something which can reinstate us. This notifies | |
3418 | the session manager, who's looking for such a | |
3419 | PropertyNotify. Can restart processing when | |
3420 | a keyboard or mouse event arrives. */ | |
3421 | if (numchars > 0) | |
3422 | { | |
3423 | } | |
3424 | } | |
3425 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3426 | { | |
82aebaf4 | 3427 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3428 | |
f676886a | 3429 | if (f) |
1fb20991 RS |
3430 | { |
3431 | if (numchars == 0) | |
3432 | abort (); | |
3433 | ||
3434 | bufp->kind = delete_window_event; | |
3435 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3436 | bufp++; | |
3437 | ||
3438 | count += 1; | |
3439 | numchars -= 1; | |
3440 | } | |
c047688c JA |
3441 | } |
3442 | } | |
3443 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3444 | { | |
3445 | } | |
3446 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3447 | { | |
3448 | int new_x, new_y; | |
1fb20991 RS |
3449 | struct frame *f = x_window_to_frame (event.xclient.window); |
3450 | ||
4357eba7 JB |
3451 | new_x = event.xclient.data.s[0]; |
3452 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3453 | |
3454 | if (f) | |
3455 | { | |
3456 | f->display.x->left_pos = new_x; | |
3457 | f->display.x->top_pos = new_y; | |
3458 | } | |
c047688c | 3459 | } |
5627c40e | 3460 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3461 | else if (event.xclient.message_type == Xatom_editres_name) |
3462 | { | |
3463 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3464 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3465 | } | |
5627c40e | 3466 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3467 | } |
3468 | break; | |
dc6f92b8 | 3469 | |
d56a553a | 3470 | case SelectionNotify: |
3afe33e7 | 3471 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3472 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3473 | goto OTHER; |
3afe33e7 | 3474 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3475 | x_handle_selection_notify (&event); |
d56a553a | 3476 | break; |
d56a553a | 3477 | |
dc6f92b8 | 3478 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3479 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3480 | if (! x_window_to_frame (event.xselectionclear.window)) |
3481 | goto OTHER; | |
3afe33e7 | 3482 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3483 | { |
d56a553a RS |
3484 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3485 | ||
3486 | if (numchars == 0) | |
3487 | abort (); | |
3488 | ||
3489 | bufp->kind = selection_clear_event; | |
3490 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3491 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3492 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3493 | bufp++; | |
3494 | ||
3495 | count += 1; | |
3496 | numchars -= 1; | |
3afe33e7 | 3497 | } |
dc6f92b8 JB |
3498 | break; |
3499 | ||
3500 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3501 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3502 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3503 | goto OTHER; | |
3afe33e7 | 3504 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3505 | { |
d56a553a RS |
3506 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3507 | ||
3508 | if (numchars == 0) | |
3509 | abort (); | |
3510 | ||
3511 | bufp->kind = selection_request_event; | |
3512 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3513 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3514 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3515 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3516 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3517 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3518 | bufp++; | |
3519 | ||
3520 | count += 1; | |
3521 | numchars -= 1; | |
3afe33e7 | 3522 | } |
dc6f92b8 JB |
3523 | break; |
3524 | ||
3525 | case PropertyNotify: | |
3afe33e7 | 3526 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3527 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3528 | goto OTHER; |
3afe33e7 | 3529 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3530 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3531 | break; |
3532 | ||
3bd330d4 RS |
3533 | case ReparentNotify: |
3534 | f = x_window_to_frame (event.xreparent.window); | |
3535 | if (f) | |
3536 | f->display.x->parent_desc = event.xreparent.parent; | |
3537 | break; | |
3538 | ||
dc6f92b8 | 3539 | case Expose: |
f676886a JB |
3540 | f = x_window_to_frame (event.xexpose.window); |
3541 | if (f) | |
dc6f92b8 | 3542 | { |
3a88c238 | 3543 | if (f->async_visible == 0) |
dc6f92b8 | 3544 | { |
3a88c238 JB |
3545 | f->async_visible = 1; |
3546 | f->async_iconified = 0; | |
f676886a | 3547 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3548 | } |
3549 | else | |
b2bd9b6a RS |
3550 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3551 | event.xexpose.x, event.xexpose.y, | |
3552 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3553 | } |
3554 | else | |
3555 | { | |
ab648270 JB |
3556 | struct scroll_bar *bar |
3557 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3558 | |
f451eb13 | 3559 | if (bar) |
3afe33e7 RS |
3560 | x_scroll_bar_expose (bar, &event); |
3561 | #ifdef USE_X_TOOLKIT | |
3562 | else | |
3563 | goto OTHER; | |
3564 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3565 | } |
3566 | break; | |
3567 | ||
3568 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3569 | source area was obscured or not | |
3570 | available.*/ | |
f451eb13 JB |
3571 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3572 | if (f) | |
3573 | { | |
3574 | dumprectangle (f, | |
3575 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3576 | event.xgraphicsexpose.width, | |
3577 | event.xgraphicsexpose.height); | |
f451eb13 | 3578 | } |
3afe33e7 RS |
3579 | #ifdef USE_X_TOOLKIT |
3580 | else | |
3581 | goto OTHER; | |
3582 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3583 | break; |
3584 | ||
3585 | case NoExpose: /* This occurs when an XCopyArea's | |
3586 | source area was completely | |
3587 | available */ | |
3588 | break; | |
c118dd06 | 3589 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3590 | case ExposeWindow: |
3591 | if (event.subwindow != 0) | |
3592 | break; /* duplicate event */ | |
f676886a JB |
3593 | f = x_window_to_frame (event.window); |
3594 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3595 | { |
f676886a | 3596 | refreshicon (f); |
3a88c238 | 3597 | f->async_iconified = 1; |
dc6f92b8 | 3598 | } |
c118dd06 | 3599 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3600 | { |
3601 | /* Say must check all windows' needs_exposure flags. */ | |
3602 | expose_all_windows = 1; | |
f676886a | 3603 | f->display.x->needs_exposure = 1; |
3a88c238 | 3604 | f->async_visible = 1; |
dc6f92b8 JB |
3605 | } |
3606 | break; | |
3607 | ||
3608 | case ExposeRegion: | |
3609 | if (event.subwindow != 0) | |
3610 | break; /* duplicate event */ | |
f676886a JB |
3611 | f = x_window_to_frame (event.window); |
3612 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3613 | { |
f676886a | 3614 | refreshicon (f); |
dc6f92b8 JB |
3615 | break; |
3616 | } | |
3617 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3618 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3619 | break; |
3620 | /* Put the event on the queue of rectangles to redraw. */ | |
3621 | if (enqueue_event (&event, &x_expose_queue)) | |
3622 | /* If it is full, we can't record the rectangle, | |
3623 | so redraw this entire window. */ | |
3624 | { | |
3625 | /* Say must check all windows' needs_exposure flags. */ | |
3626 | expose_all_windows = 1; | |
f676886a | 3627 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3628 | } |
3629 | break; | |
3630 | ||
3631 | case ExposeCopy: | |
3632 | /* This should happen only when we are expecting it, | |
3633 | in x_read_exposes. */ | |
3634 | abort (); | |
c118dd06 | 3635 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3636 | |
3637 | #ifdef HAVE_X11 | |
3638 | case UnmapNotify: | |
dc05a16b | 3639 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3640 | if (f) /* F may no longer exist if |
f676886a | 3641 | the frame was deleted. */ |
f451eb13 JB |
3642 | { |
3643 | /* While a frame is unmapped, display generation is | |
3644 | disabled; you don't want to spend time updating a | |
3645 | display that won't ever be seen. */ | |
3646 | f->async_visible = 0; | |
5627c40e RS |
3647 | /* We can't distinguish, from the event, whether the window |
3648 | has become iconified or invisible. So assume, if it | |
3649 | was previously visible, than now it is iconified. | |
3650 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3651 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3652 | f->async_iconified = 1; | |
f451eb13 | 3653 | } |
3afe33e7 RS |
3654 | #ifdef USE_X_TOOLKIT |
3655 | goto OTHER; | |
3656 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3657 | break; |
3658 | ||
3659 | case MapNotify: | |
b2bd9b6a RS |
3660 | /* We use x_top_window_to_frame because map events can come |
3661 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3662 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3663 | if (f) |
dc6f92b8 | 3664 | { |
3a88c238 JB |
3665 | f->async_visible = 1; |
3666 | f->async_iconified = 0; | |
dc6f92b8 JB |
3667 | |
3668 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3669 | the frame's display structures. */ |
3670 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3671 | } |
3afe33e7 RS |
3672 | #ifdef USE_X_TOOLKIT |
3673 | goto OTHER; | |
3674 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3675 | break; |
dc6f92b8 JB |
3676 | |
3677 | /* Turn off processing if we become fully obscured. */ | |
3678 | case VisibilityNotify: | |
3679 | break; | |
3680 | ||
c118dd06 | 3681 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3682 | case UnmapWindow: |
f676886a JB |
3683 | f = x_window_to_frame (event.window); |
3684 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3685 | f->async_iconified = 0; |
c118dd06 | 3686 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3687 | f->async_visible = 0; |
dc6f92b8 | 3688 | break; |
c118dd06 | 3689 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3690 | |
3691 | #ifdef HAVE_X11 | |
3692 | case KeyPress: | |
1dea5a83 | 3693 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3694 | |
f676886a | 3695 | if (f != 0) |
dc6f92b8 | 3696 | { |
2d368234 | 3697 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3698 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3699 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3700 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3701 | int modifiers; |
3702 | ||
dfeccd2d JB |
3703 | event.xkey.state |
3704 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3705 | modifiers = event.xkey.state; |
3a2712f9 | 3706 | |
11edeb03 | 3707 | /* This will have to go some day... */ |
752a043f JB |
3708 | |
3709 | /* make_lispy_event turns chars into control chars. | |
3710 | Don't do it here because XLookupString is too eager. */ | |
3711 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3712 | nbytes = |
3713 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3714 | &compose_status); | |
dc6f92b8 | 3715 | |
55123275 JB |
3716 | /* Strip off the vendor-specific keysym bit, and take a shot |
3717 | at recognizing the codes. HP servers have extra keysyms | |
3718 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 3719 | orig_keysym = keysym; |
55123275 JB |
3720 | keysym &= ~(1<<28); |
3721 | ||
dc6f92b8 JB |
3722 | if (numchars > 1) |
3723 | { | |
64a07219 JB |
3724 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3725 | || keysym == XK_Delete | |
3726 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3727 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3728 | #ifdef HPUX |
64a07219 JB |
3729 | /* This recognizes the "extended function keys". |
3730 | It seems there's no cleaner way. | |
3731 | Test IsModifierKey to avoid handling mode_switch | |
3732 | incorrectly. */ | |
3733 | || ((unsigned) (keysym) >= XK_Select | |
3734 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3735 | #endif |
3736 | #ifdef XK_dead_circumflex | |
3737 | || orig_keysym == XK_dead_circumflex | |
3738 | #endif | |
3739 | #ifdef XK_dead_grave | |
3740 | || orig_keysym == XK_dead_grave | |
3741 | #endif | |
3742 | #ifdef XK_dead_tilde | |
3743 | || orig_keysym == XK_dead_tilde | |
3744 | #endif | |
3745 | #ifdef XK_dead_diaeresis | |
3746 | || orig_keysym == XK_dead_diaeresis | |
3747 | #endif | |
3748 | #ifdef XK_dead_macron | |
3749 | || orig_keysym == XK_dead_macron | |
3750 | #endif | |
3751 | #ifdef XK_dead_degree | |
3752 | || orig_keysym == XK_dead_degree | |
3753 | #endif | |
3754 | #ifdef XK_dead_acute | |
3755 | || orig_keysym == XK_dead_acute | |
3756 | #endif | |
3757 | #ifdef XK_dead_cedilla | |
3758 | || orig_keysym == XK_dead_cedilla | |
3759 | #endif | |
3760 | #ifdef XK_dead_breve | |
3761 | || orig_keysym == XK_dead_breve | |
3762 | #endif | |
3763 | #ifdef XK_dead_ogonek | |
3764 | || orig_keysym == XK_dead_ogonek | |
3765 | #endif | |
3766 | #ifdef XK_dead_caron | |
3767 | || orig_keysym == XK_dead_caron | |
3768 | #endif | |
3769 | #ifdef XK_dead_doubleacute | |
3770 | || orig_keysym == XK_dead_doubleacute | |
3771 | #endif | |
3772 | #ifdef XK_dead_abovedot | |
3773 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3774 | #endif |
64a07219 JB |
3775 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3776 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3777 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
3778 | && ! (IsModifierKey (orig_keysym) |
3779 | #ifndef HAVE_X11R5 | |
3780 | #ifdef XK_Mode_switch | |
3781 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3782 | #endif | |
3783 | #ifdef XK_Num_Lock | |
3784 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3785 | #endif | |
3786 | #endif /* not HAVE_X11R5 */ | |
3787 | )) | |
dc6f92b8 | 3788 | { |
10e6549c RS |
3789 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3790 | temp_index = 0; | |
3791 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3792 | bufp->kind = non_ascii_keystroke; |
69388238 | 3793 | bufp->code = keysym; |
12ba150f | 3794 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3795 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3796 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3797 | bufp++; |
3798 | count++; | |
3799 | numchars--; | |
3800 | } | |
3801 | else if (numchars > nbytes) | |
3802 | { | |
3803 | register int i; | |
3804 | ||
10e6549c | 3805 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3806 | { |
10e6549c RS |
3807 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3808 | temp_index = 0; | |
3809 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3810 | bufp->kind = ascii_keystroke; |
69388238 | 3811 | bufp->code = copy_buffer[i]; |
12ba150f | 3812 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3813 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3814 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3815 | bufp++; |
3816 | } | |
dc6f92b8 JB |
3817 | |
3818 | count += nbytes; | |
3819 | numchars -= nbytes; | |
3820 | } | |
10e6549c RS |
3821 | else |
3822 | abort (); | |
dc6f92b8 | 3823 | } |
10e6549c RS |
3824 | else |
3825 | abort (); | |
dc6f92b8 JB |
3826 | } |
3827 | break; | |
c118dd06 | 3828 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3829 | case KeyPressed: |
3830 | { | |
3831 | register char *where_mapping; | |
3832 | ||
f676886a | 3833 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3834 | /* Ignore keys typed on icon windows. */ |
f676886a | 3835 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3836 | break; |
3837 | where_mapping = XLookupMapping (&event, &nbytes); | |
3838 | /* Nasty fix for arrow keys */ | |
3839 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3840 | { | |
3841 | switch (event.detail & 0xff) | |
3842 | { | |
3843 | case KC_CURSOR_LEFT: | |
3844 | where_mapping = "\002"; | |
3845 | break; | |
3846 | case KC_CURSOR_RIGHT: | |
3847 | where_mapping = "\006"; | |
3848 | break; | |
3849 | case KC_CURSOR_UP: | |
3850 | where_mapping = "\020"; | |
3851 | break; | |
3852 | case KC_CURSOR_DOWN: | |
3853 | where_mapping = "\016"; | |
3854 | break; | |
3855 | } | |
3856 | nbytes = 1; | |
3857 | } | |
3858 | if (numchars - nbytes > 0) | |
3859 | { | |
3860 | register int i; | |
3861 | ||
3862 | for (i = 0; i < nbytes; i++) | |
3863 | { | |
3864 | bufp->kind = ascii_keystroke; | |
69388238 | 3865 | bufp->code = where_mapping[i]; |
90e65f07 | 3866 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3867 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3868 | bufp++; |
3869 | } | |
3870 | count += nbytes; | |
3871 | numchars -= nbytes; | |
3872 | } | |
3873 | } | |
3874 | break; | |
c118dd06 | 3875 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3876 | |
3877 | #ifdef HAVE_X11 | |
f451eb13 JB |
3878 | |
3879 | /* Here's a possible interpretation of the whole | |
3880 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3881 | FocusIn event, you have to get a FocusOut event before you | |
3882 | relinquish the focus. If you haven't received a FocusIn event, | |
3883 | then a mere LeaveNotify is enough to free you. */ | |
3884 | ||
dc6f92b8 | 3885 | case EnterNotify: |
1dea5a83 | 3886 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3887 | |
f451eb13 | 3888 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3889 | { |
dc6f92b8 | 3890 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3891 | if (f && (!(f->auto_raise) |
3892 | || !(f->auto_lower) | |
dc6f92b8 JB |
3893 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3894 | { | |
f676886a | 3895 | x_new_focus_frame (f); |
dc6f92b8 JB |
3896 | enter_timestamp = event.xcrossing.time; |
3897 | } | |
dc6f92b8 | 3898 | } |
f676886a JB |
3899 | else if (f == x_focus_frame) |
3900 | x_new_focus_frame (0); | |
3afe33e7 RS |
3901 | #ifdef USE_X_TOOLKIT |
3902 | goto OTHER; | |
3903 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3904 | break; |
3905 | ||
3906 | case FocusIn: | |
1dea5a83 | 3907 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3908 | if (event.xfocus.detail != NotifyPointer) |
3909 | x_focus_event_frame = f; | |
f676886a JB |
3910 | if (f) |
3911 | x_new_focus_frame (f); | |
3afe33e7 RS |
3912 | #ifdef USE_X_TOOLKIT |
3913 | goto OTHER; | |
3914 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3915 | break; |
3916 | ||
f451eb13 | 3917 | |
dc6f92b8 | 3918 | case LeaveNotify: |
1dea5a83 | 3919 | f = x_any_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3920 | |
b8009dd1 RS |
3921 | if (f == mouse_face_mouse_frame) |
3922 | /* If we move outside the frame, | |
3923 | then we're certainly no longer on any text in the frame. */ | |
3924 | clear_mouse_face (); | |
3925 | ||
f451eb13 JB |
3926 | if (event.xcrossing.focus) |
3927 | { | |
3928 | if (! x_focus_event_frame) | |
3929 | x_new_focus_frame (0); | |
3930 | else | |
f676886a | 3931 | x_new_focus_frame (f); |
f451eb13 JB |
3932 | } |
3933 | else | |
3934 | { | |
3935 | if (f == x_focus_event_frame) | |
3936 | x_focus_event_frame = 0; | |
3937 | if (f == x_focus_frame) | |
f676886a | 3938 | x_new_focus_frame (0); |
dc6f92b8 | 3939 | } |
3afe33e7 RS |
3940 | #ifdef USE_X_TOOLKIT |
3941 | goto OTHER; | |
3942 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3943 | break; |
3944 | ||
3945 | case FocusOut: | |
1dea5a83 | 3946 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3947 | if (event.xfocus.detail != NotifyPointer |
3948 | && f == x_focus_event_frame) | |
3949 | x_focus_event_frame = 0; | |
f676886a JB |
3950 | if (f && f == x_focus_frame) |
3951 | x_new_focus_frame (0); | |
3afe33e7 RS |
3952 | #ifdef USE_X_TOOLKIT |
3953 | goto OTHER; | |
3954 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3955 | break; |
3956 | ||
c118dd06 | 3957 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3958 | |
3959 | case EnterWindow: | |
3960 | if ((event.detail & 0xFF) == 1) | |
3961 | break; /* Coming from our own subwindow */ | |
3962 | if (event.subwindow != 0) | |
3963 | break; /* Entering our own subwindow. */ | |
3964 | ||
3965 | { | |
f676886a JB |
3966 | f = x_window_to_frame (event.window); |
3967 | x_mouse_frame = f; | |
dc6f92b8 | 3968 | |
f676886a | 3969 | x_new_focus_frame (f); |
dc6f92b8 JB |
3970 | } |
3971 | break; | |
3972 | ||
3973 | case LeaveWindow: | |
3974 | if ((event.detail & 0xFF) == 1) | |
3975 | break; /* Entering our own subwindow */ | |
3976 | if (event.subwindow != 0) | |
3977 | break; /* Leaving our own subwindow. */ | |
3978 | ||
f676886a JB |
3979 | x_mouse_frame = 0; |
3980 | if (x_focus_frame == 0 | |
3981 | && x_input_frame != 0 | |
3982 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3983 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3984 | { |
f676886a JB |
3985 | f = x_input_frame; |
3986 | x_input_frame = 0; | |
3987 | if (f) | |
3988 | frame_unhighlight (f); | |
dc6f92b8 JB |
3989 | } |
3990 | break; | |
c118dd06 | 3991 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3992 | |
3993 | #ifdef HAVE_X11 | |
3994 | case MotionNotify: | |
3995 | { | |
69388238 RS |
3996 | if (x_mouse_grabbed) |
3997 | f = last_mouse_frame; | |
3998 | else | |
3999 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4000 | if (f) |
12ba150f | 4001 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4002 | else |
dc6f92b8 | 4003 | { |
69388238 RS |
4004 | struct scroll_bar *bar |
4005 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4006 | |
4007 | if (bar) | |
ab648270 | 4008 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4009 | |
4010 | /* If we move outside the frame, | |
4011 | then we're certainly no longer on any text in the frame. */ | |
4012 | clear_mouse_face (); | |
dc6f92b8 | 4013 | } |
dc6f92b8 | 4014 | } |
3afe33e7 RS |
4015 | #ifdef USE_X_TOOLKIT |
4016 | goto OTHER; | |
4017 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4018 | break; |
4019 | ||
4020 | case ConfigureNotify: | |
13ce2d73 | 4021 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4022 | #ifdef USE_X_TOOLKIT |
13ce2d73 FP |
4023 | if (f |
4024 | && ! event.xconfigure.send_event | |
4025 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) | |
4026 | { | |
4027 | Window win, child; | |
4028 | int win_x, win_y; | |
4029 | ||
4030 | /* Find the position of the outside upper-left corner of | |
4031 | the window, in the root coordinate system. Don't | |
4032 | refer to the parent window here; we may be processing | |
4033 | this event after the window manager has changed our | |
4034 | parent, but before we have reached the ReparentNotify. */ | |
4035 | XTranslateCoordinates (x_current_display, | |
4036 | ||
4037 | /* From-window, to-window. */ | |
4038 | XtWindow (f->display.x->widget), | |
4039 | ROOT_WINDOW, | |
4040 | ||
4041 | /* From-position, to-position. */ | |
4042 | -event.xconfigure.border_width, | |
4043 | -event.xconfigure.border_width, | |
4044 | &win_x, &win_y, | |
4045 | ||
4046 | /* Child of win. */ | |
4047 | &child); | |
4048 | event.xconfigure.x = win_x; | |
4049 | event.xconfigure.y = win_y; | |
4050 | ||
4051 | f->display.x->pixel_width = event.xconfigure.width; | |
4052 | f->display.x->pixel_height = event.xconfigure.height; | |
4053 | f->display.x->left_pos = event.xconfigure.x; | |
4054 | f->display.x->top_pos = event.xconfigure.y; | |
4055 | } | |
4056 | goto OTHER; | |
3afe33e7 | 4057 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
4058 | if (f) |
4059 | { | |
4060 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
4061 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
4062 | ||
4063 | /* Even if the number of character rows and columns has | |
4064 | not changed, the font size may have changed, so we need | |
4065 | to check the pixel dimensions as well. */ | |
4066 | if (columns != f->width | |
4067 | || rows != f->height | |
4068 | || event.xconfigure.width != f->display.x->pixel_width | |
4069 | || event.xconfigure.height != f->display.x->pixel_height) | |
4070 | { | |
4071 | change_frame_size (f, rows, columns, 0, 1); | |
4072 | SET_FRAME_GARBAGED (f); | |
4073 | } | |
dc6f92b8 | 4074 | |
3bd330d4 | 4075 | if (! event.xconfigure.send_event) |
af395ec1 RS |
4076 | { |
4077 | Window win, child; | |
4078 | int win_x, win_y; | |
4079 | ||
6cc35d86 JB |
4080 | /* Find the position of the outside upper-left corner of |
4081 | the window, in the root coordinate system. Don't | |
4082 | refer to the parent window here; we may be processing | |
4083 | this event after the window manager has changed our | |
4084 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
4085 | XTranslateCoordinates (x_current_display, |
4086 | ||
4087 | /* From-window, to-window. */ | |
6cc35d86 | 4088 | f->display.x->window_desc, |
3bd330d4 | 4089 | ROOT_WINDOW, |
af395ec1 RS |
4090 | |
4091 | /* From-position, to-position. */ | |
6cc35d86 JB |
4092 | -event.xconfigure.border_width, |
4093 | -event.xconfigure.border_width, | |
af395ec1 RS |
4094 | &win_x, &win_y, |
4095 | ||
4096 | /* Child of win. */ | |
4097 | &child); | |
4098 | event.xconfigure.x = win_x; | |
4099 | event.xconfigure.y = win_y; | |
4100 | } | |
4101 | ||
dbc4e1c1 JB |
4102 | f->display.x->pixel_width = event.xconfigure.width; |
4103 | f->display.x->pixel_height = event.xconfigure.height; | |
4104 | f->display.x->left_pos = event.xconfigure.x; | |
4105 | f->display.x->top_pos = event.xconfigure.y; | |
4106 | } | |
3afe33e7 | 4107 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4108 | break; |
dc6f92b8 JB |
4109 | |
4110 | case ButtonPress: | |
4111 | case ButtonRelease: | |
4112 | { | |
4113 | /* If we decide we want to generate an event to be seen | |
4114 | by the rest of Emacs, we put it here. */ | |
4115 | struct input_event emacs_event; | |
4116 | emacs_event.kind = no_event; | |
4117 | ||
f676886a JB |
4118 | f = x_window_to_frame (event.xbutton.window); |
4119 | if (f) | |
f451eb13 JB |
4120 | { |
4121 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4122 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4123 | } |
dc6f92b8 | 4124 | else |
f451eb13 | 4125 | { |
ab648270 JB |
4126 | struct scroll_bar *bar = |
4127 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4128 | |
4129 | if (bar) | |
ab648270 | 4130 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4131 | #ifdef USE_X_TOOLKIT |
4132 | else | |
4133 | { | |
4134 | f = x_any_window_to_frame (event.xbutton.window); | |
4135 | if (f && event.type == ButtonPress) | |
4136 | construct_menu_click (&emacs_event, | |
4137 | &event, f); | |
4138 | } | |
4139 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4140 | } |
dc6f92b8 JB |
4141 | |
4142 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4143 | { | |
4144 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4145 | bufp++; | |
4146 | count++; | |
4147 | numchars--; | |
4148 | } | |
3afe33e7 RS |
4149 | |
4150 | #ifdef USE_X_TOOLKIT | |
4151 | goto OTHER; | |
4152 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4153 | } |
4154 | break; | |
4155 | ||
c118dd06 | 4156 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4157 | case ButtonPressed: |
4158 | case ButtonReleased: | |
f676886a JB |
4159 | f = x_window_to_frame (event.window); |
4160 | if (f) | |
dc6f92b8 | 4161 | { |
f676886a | 4162 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4163 | { |
f676886a | 4164 | x_make_frame_visible (f); |
dc6f92b8 JB |
4165 | |
4166 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4167 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4168 | break; |
4169 | } | |
c118dd06 | 4170 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4171 | { |
f676886a JB |
4172 | if (f->auto_raise) |
4173 | x_raise_frame (f); | |
dc6f92b8 JB |
4174 | } |
4175 | } | |
4176 | enqueue_event (&event, &x_mouse_queue); | |
4177 | if (numchars >= 2) | |
4178 | { | |
4179 | bufp->kind = ascii_keystroke; | |
69388238 | 4180 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4181 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4182 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4183 | bufp++; |
4184 | ||
4185 | bufp->kind = ascii_keystroke; | |
69388238 | 4186 | bufp->code = 0; /* C-@ */ |
12ba150f | 4187 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4188 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4189 | bufp++; |
4190 | ||
4191 | count += 2; | |
4192 | numchars -= 2; | |
4193 | } | |
4194 | break; | |
c118dd06 | 4195 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4196 | |
4197 | #ifdef HAVE_X11 | |
4198 | ||
4199 | case CirculateNotify: | |
4200 | break; | |
4201 | case CirculateRequest: | |
4202 | break; | |
4203 | ||
c118dd06 | 4204 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4205 | |
4206 | case MappingNotify: | |
11edeb03 JB |
4207 | /* Someone has changed the keyboard mapping - update the |
4208 | local cache. */ | |
4209 | switch (event.xmapping.request) | |
4210 | { | |
4211 | case MappingModifier: | |
4212 | x_find_modifier_meanings (); | |
4213 | /* This is meant to fall through. */ | |
4214 | case MappingKeyboard: | |
4215 | XRefreshKeyboardMapping (&event.xmapping); | |
4216 | } | |
3afe33e7 RS |
4217 | #ifdef USE_X_TOOLKIT |
4218 | goto OTHER; | |
4219 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4220 | break; |
4221 | ||
4222 | default: | |
3afe33e7 RS |
4223 | #ifdef USE_X_TOOLKIT |
4224 | OTHER: | |
4225 | BLOCK_INPUT; | |
4226 | XtDispatchEvent (&event); | |
4227 | UNBLOCK_INPUT; | |
4228 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4229 | break; |
4230 | } | |
4231 | } | |
4232 | ||
502add23 RS |
4233 | #ifdef X_IO_BUG |
4234 | if (! event_found) | |
4235 | /* On some systems, an X bug causes Emacs to get no more events | |
7071e5dd | 4236 | when the window is destroyed. Detect that. (1994.) */ |
502add23 RS |
4237 | XNoOp (x_current_display); |
4238 | #endif /* X_IO_BUG */ | |
4239 | ||
7071e5dd RS |
4240 | #if 0 /* This fails for serial-line connections to the X server, |
4241 | because the characters arrive one by one, and a partial | |
4242 | command makes select return but gives nothing to read. | |
4243 | We'll have to hope that the bug that this tried to fix | |
4244 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4245 | #ifdef HAVE_SELECT |
4246 | if (expected && ! event_found) | |
4247 | { | |
4248 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4249 | there is an EOF condition; in other words, that X has died. | |
4250 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4251 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4252 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4253 | EMACS_TIME timeout; |
dc6f92b8 | 4254 | |
61c3ce62 RS |
4255 | FD_ZERO (&mask); |
4256 | FD_SET (fd, &mask); | |
66f55a9d | 4257 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4258 | FD_ZERO (&junk1); |
4259 | FD_ZERO (&junk2); | |
4260 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4261 | && !XStuffPending ()) |
4262 | kill (getpid (), SIGHUP); | |
4263 | } | |
61c3ce62 | 4264 | #endif /* HAVE_SELECT */ |
7071e5dd | 4265 | #endif /* 0 */ |
dc6f92b8 | 4266 | |
f451eb13 | 4267 | #ifndef HAVE_X11 |
f676886a | 4268 | if (updating_frame == 0) |
dc6f92b8 | 4269 | x_do_pending_expose (); |
f451eb13 | 4270 | #endif |
dc6f92b8 | 4271 | |
0134a210 RS |
4272 | /* If the focus was just given to an autoraising frame, |
4273 | raise it now. */ | |
4274 | #ifdef HAVE_X11 | |
4275 | if (pending_autoraise_frame) | |
4276 | { | |
4277 | x_raise_frame (pending_autoraise_frame); | |
4278 | pending_autoraise_frame = 0; | |
4279 | } | |
4280 | #endif | |
4281 | ||
dc6f92b8 JB |
4282 | UNBLOCK_INPUT; |
4283 | return count; | |
4284 | } | |
4285 | ||
4286 | #ifndef HAVE_X11 | |
4287 | /* Read and process only Expose events | |
4288 | until we get an ExposeCopy event; then return. | |
4289 | This is used in insert/delete line. | |
4290 | We assume input is already blocked. */ | |
4291 | ||
4292 | static void | |
4293 | x_read_exposes () | |
4294 | { | |
f676886a | 4295 | struct frame *f; |
dc6f92b8 JB |
4296 | XKeyPressedEvent event; |
4297 | ||
4298 | while (1) | |
4299 | { | |
4300 | /* while there are more events*/ | |
4301 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4302 | switch (event.type) | |
4303 | { | |
4304 | case ExposeWindow: | |
4305 | if (event.subwindow != 0) | |
4306 | break; /* duplicate event */ | |
f676886a JB |
4307 | f = x_window_to_frame (event.window); |
4308 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4309 | { |
f676886a | 4310 | refreshicon (f); |
dc6f92b8 JB |
4311 | break; |
4312 | } | |
c118dd06 | 4313 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4314 | { |
4315 | expose_all_windows = 1; | |
f676886a | 4316 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4317 | break; |
4318 | } | |
4319 | break; | |
4320 | ||
4321 | case ExposeRegion: | |
4322 | if (event.subwindow != 0) | |
4323 | break; /* duplicate event */ | |
f676886a JB |
4324 | f = x_window_to_frame (event.window); |
4325 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4326 | { |
f676886a | 4327 | refreshicon (f); |
dc6f92b8 JB |
4328 | break; |
4329 | } | |
4330 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4331 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4332 | break; |
4333 | /* Put the event on the queue of rectangles to redraw. */ | |
4334 | if (enqueue_event (&event, &x_expose_queue)) | |
4335 | /* If it is full, we can't record the rectangle, | |
4336 | so redraw this entire window. */ | |
4337 | { | |
4338 | /* Say must check all windows' needs_exposure flags. */ | |
4339 | expose_all_windows = 1; | |
f676886a | 4340 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4341 | } |
4342 | break; | |
4343 | ||
4344 | case ExposeCopy: | |
4345 | return; | |
4346 | } | |
4347 | } | |
4348 | } | |
4349 | #endif /* HAVE_X11 */ | |
4350 | ||
dc6f92b8 | 4351 | \f |
f451eb13 JB |
4352 | /* Drawing the cursor. */ |
4353 | ||
4354 | ||
dc6f92b8 JB |
4355 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4356 | ||
4357 | static void | |
f676886a JB |
4358 | x_draw_box (f) |
4359 | struct frame *f; | |
dc6f92b8 | 4360 | { |
12ba150f JB |
4361 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
4362 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a | 4363 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4364 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4365 | |
4366 | #ifdef HAVE_X11 | |
c118dd06 | 4367 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4368 | f->display.x->cursor_gc, |
dc6f92b8 | 4369 | left, top, width - 1, height - 1); |
c118dd06 JB |
4370 | #else /* ! defined (HAVE_X11) */ |
4371 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4372 | left, top, width, 1, |
f676886a | 4373 | f->display.x->cursor_pixel); |
dc6f92b8 | 4374 | |
c118dd06 | 4375 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4376 | left, top, 1, height, |
f676886a | 4377 | f->display.x->cursor_pixel); |
dc6f92b8 | 4378 | |
c118dd06 | 4379 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4380 | left+width-1, top, 1, height, |
f676886a | 4381 | f->display.x->cursor_pixel); |
dc6f92b8 | 4382 | |
c118dd06 | 4383 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4384 | left, top+height-1, width, 1, |
f676886a | 4385 | f->display.x->cursor_pixel); |
c118dd06 | 4386 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4387 | } |
4388 | ||
f676886a | 4389 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4390 | and mark the cursor as not shown. |
4391 | This is used when the text where the cursor is | |
4392 | is about to be rewritten. */ | |
4393 | ||
4394 | static void | |
f676886a JB |
4395 | clear_cursor (f) |
4396 | struct frame *f; | |
dc6f92b8 JB |
4397 | { |
4398 | int mask; | |
4399 | ||
f451eb13 | 4400 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4401 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4402 | return; |
4403 | ||
4404 | #ifdef HAVE_X11 | |
f676886a | 4405 | x_display_cursor (f, 0); |
c118dd06 JB |
4406 | #else /* ! defined (HAVE_X11) */ |
4407 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4408 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4409 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4410 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4411 | f->display.x->background_pixel); |
c118dd06 | 4412 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4413 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4414 | } |
4415 | ||
f676886a | 4416 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4417 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4418 | glyph drawn. */ | |
dc6f92b8 JB |
4419 | |
4420 | static void | |
f676886a JB |
4421 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4422 | struct frame *f; | |
dc6f92b8 | 4423 | int row, column; |
90e65f07 | 4424 | GLYPH glyph; |
dc6f92b8 JB |
4425 | int highlight; |
4426 | { | |
f676886a | 4427 | dumpglyphs (f, |
12ba150f JB |
4428 | CHAR_TO_PIXEL_COL (f, column), |
4429 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4430 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4431 | } |
4432 | ||
dc6f92b8 | 4433 | static void |
dbc4e1c1 | 4434 | x_display_bar_cursor (f, on) |
f676886a | 4435 | struct frame *f; |
dc6f92b8 JB |
4436 | int on; |
4437 | { | |
f676886a | 4438 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4439 | |
49d838ea JB |
4440 | /* This is pointless on invisible frames, and dangerous on garbaged |
4441 | frames; in the latter case, the frame may be in the midst of | |
4442 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4443 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4444 | return; |
4445 | ||
4446 | if (! on && f->phys_cursor_x < 0) | |
4447 | return; | |
4448 | ||
f676886a | 4449 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4450 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4451 | if (f != updating_frame) |
1113d9db | 4452 | { |
f676886a JB |
4453 | curs_x = FRAME_CURSOR_X (f); |
4454 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4455 | } |
4456 | ||
dbc4e1c1 JB |
4457 | /* If there is anything wrong with the current cursor state, remove it. */ |
4458 | if (f->phys_cursor_x >= 0 | |
4459 | && (!on | |
4460 | || f->phys_cursor_x != curs_x | |
4461 | || f->phys_cursor_y != curs_y | |
4462 | || f->display.x->current_cursor != bar_cursor)) | |
4463 | { | |
4464 | /* Erase the cursor by redrawing the character underneath it. */ | |
4465 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4466 | f->phys_cursor_glyph, | |
4467 | current_glyphs->highlight[f->phys_cursor_y]); | |
4468 | f->phys_cursor_x = -1; | |
4469 | } | |
4470 | ||
4471 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4472 | if (on | |
4473 | && (f->phys_cursor_x < 0 | |
4474 | || (f->display.x->current_cursor != bar_cursor))) | |
4475 | { | |
4476 | f->phys_cursor_glyph | |
4477 | = ((current_glyphs->enable[curs_y] | |
4478 | && curs_x < current_glyphs->used[curs_y]) | |
4479 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4480 | : SPACEGLYPH); | |
4481 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4482 | f->display.x->cursor_gc, | |
4483 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4484 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4485 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4486 | |
4487 | f->phys_cursor_x = curs_x; | |
4488 | f->phys_cursor_y = curs_y; | |
4489 | ||
4490 | f->display.x->current_cursor = bar_cursor; | |
4491 | } | |
4492 | ||
4493 | if (updating_frame != f) | |
4494 | XFlushQueue (); | |
4495 | } | |
4496 | ||
4497 | ||
4498 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4499 | If ON is nonzero, where to put the cursor is specified | |
4500 | by F->cursor_x and F->cursor_y. */ | |
4501 | ||
4502 | static void | |
4503 | x_display_box_cursor (f, on) | |
4504 | struct frame *f; | |
4505 | int on; | |
4506 | { | |
4507 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4508 | ||
49d838ea JB |
4509 | /* This is pointless on invisible frames, and dangerous on garbaged |
4510 | frames; in the latter case, the frame may be in the midst of | |
4511 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4512 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4513 | return; |
4514 | ||
4515 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4516 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4517 | return; |
4518 | ||
dbc4e1c1 JB |
4519 | /* If we're not updating, then we want to use the current frame's |
4520 | cursor position, not our local idea of where the cursor ought to be. */ | |
4521 | if (f != updating_frame) | |
4522 | { | |
4523 | curs_x = FRAME_CURSOR_X (f); | |
4524 | curs_y = FRAME_CURSOR_Y (f); | |
4525 | } | |
4526 | ||
dc6f92b8 JB |
4527 | /* If cursor is currently being shown and we don't want it to be |
4528 | or it is in the wrong place, | |
4529 | or we want a hollow box and it's not so, (pout!) | |
4530 | erase it. */ | |
f676886a | 4531 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4532 | && (!on |
f676886a JB |
4533 | || f->phys_cursor_x != curs_x |
4534 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4535 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4536 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4537 | { |
0cdd0c9f RS |
4538 | /* If the font is not as tall as a whole line, |
4539 | we must explicitly clear the line's whole height. */ | |
4540 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4541 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4542 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4543 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4544 | FONT_WIDTH (f->display.x->font), | |
4545 | f->display.x->line_height, False); | |
dc6f92b8 | 4546 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4547 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4548 | f->phys_cursor_glyph, | |
4549 | current_glyphs->highlight[f->phys_cursor_y]); | |
4550 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
4551 | } |
4552 | ||
4553 | /* If we want to show a cursor, | |
4554 | or we want a box cursor and it's not so, | |
4555 | write it in the right place. */ | |
4556 | if (on | |
f676886a | 4557 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4558 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4559 | && f == x_highlight_frame))) |
dc6f92b8 | 4560 | { |
f676886a | 4561 | f->phys_cursor_glyph |
1113d9db JB |
4562 | = ((current_glyphs->enable[curs_y] |
4563 | && curs_x < current_glyphs->used[curs_y]) | |
4564 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4565 | : SPACEGLYPH); |
f676886a | 4566 | if (f != x_highlight_frame) |
dc6f92b8 | 4567 | { |
f676886a | 4568 | x_draw_box (f); |
dbc4e1c1 | 4569 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4570 | } |
4571 | else | |
4572 | { | |
f676886a JB |
4573 | x_draw_single_glyph (f, curs_y, curs_x, |
4574 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4575 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4576 | } |
4577 | ||
f676886a JB |
4578 | f->phys_cursor_x = curs_x; |
4579 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4580 | } |
4581 | ||
f676886a | 4582 | if (updating_frame != f) |
dc6f92b8 JB |
4583 | XFlushQueue (); |
4584 | } | |
4585 | ||
f676886a JB |
4586 | x_display_cursor (f, on) |
4587 | struct frame *f; | |
dc6f92b8 JB |
4588 | int on; |
4589 | { | |
f94397b5 KH |
4590 | BLOCK_INPUT; |
4591 | ||
dbc4e1c1 | 4592 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4593 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4594 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4595 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4596 | else |
4597 | /* Those are the only two we have implemented! */ | |
4598 | abort (); | |
f94397b5 KH |
4599 | |
4600 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4601 | } |
4602 | \f | |
4603 | /* Icons. */ | |
4604 | ||
f676886a | 4605 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4606 | when we get an expose event for it. */ |
4607 | ||
f676886a JB |
4608 | refreshicon (f) |
4609 | struct frame *f; | |
dc6f92b8 JB |
4610 | { |
4611 | #ifdef HAVE_X11 | |
4612 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4613 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4614 | int mask; |
4615 | ||
f676886a JB |
4616 | if (f->display.x->icon_bitmap_flag) |
4617 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4618 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4619 | icon_bitmap, GXcopy, AllPlanes); | |
4620 | else | |
4621 | { | |
f676886a | 4622 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4623 | struct Lisp_String *str; |
4624 | unsigned char *string; | |
4625 | ||
4626 | string | |
f676886a | 4627 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4628 | |
f676886a | 4629 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4630 | { |
f676886a JB |
4631 | f->display.x->icon_label = string; |
4632 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4633 | XQueryWidth (string, icon_font_info->id) + 10, |
4634 | icon_font_info->height + 10); | |
4635 | } | |
4636 | ||
f676886a | 4637 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4638 | str->size, icon_font_info->id, |
4639 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4640 | } | |
4641 | XFlushQueue (); | |
c118dd06 | 4642 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4643 | } |
4644 | ||
dbc4e1c1 | 4645 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4646 | |
4647 | int | |
f676886a JB |
4648 | x_bitmap_icon (f) |
4649 | struct frame *f; | |
dc6f92b8 JB |
4650 | { |
4651 | int mask; | |
4652 | Window icon_window; | |
4653 | ||
c118dd06 | 4654 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4655 | return 1; |
4656 | ||
4657 | #ifdef HAVE_X11 | |
8583db58 RS |
4658 | if (! icon_bitmap) |
4659 | icon_bitmap = | |
4660 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4661 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4662 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4663 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4664 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4665 | if (f->display.x->icon_desc) |
dc6f92b8 | 4666 | { |
c118dd06 | 4667 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4668 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4669 | } |
4670 | ||
f676886a | 4671 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4672 | 0, 0, sink_width, sink_height, |
4673 | 2, WhitePixmap, (Pixmap) NULL); | |
4674 | ||
4675 | if (icon_window == 0) | |
4676 | return 1; | |
4677 | ||
c118dd06 | 4678 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4679 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4680 | ||
f676886a JB |
4681 | f->display.x->icon_desc = icon_window; |
4682 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4683 | |
4684 | if (icon_bitmap == 0) | |
4685 | icon_bitmap | |
4686 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4687 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4688 | |
4689 | return 0; | |
4690 | } | |
4691 | ||
4692 | ||
f676886a | 4693 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4694 | |
4695 | int | |
f676886a JB |
4696 | x_text_icon (f, icon_name) |
4697 | struct frame *f; | |
dc6f92b8 JB |
4698 | char *icon_name; |
4699 | { | |
4700 | #ifndef HAVE_X11 | |
4701 | int mask; | |
4702 | int width; | |
4703 | Window icon_window; | |
4704 | char *X_DefaultValue; | |
4705 | Bitmap b1; | |
4706 | ||
dc6f92b8 JB |
4707 | #ifndef WhitePixel |
4708 | #define WhitePixel 1 | |
c118dd06 | 4709 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4710 | |
4711 | #ifndef BlackPixel | |
4712 | #define BlackPixel 0 | |
c118dd06 JB |
4713 | #endif /* BlackPixel */ |
4714 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4715 | |
c118dd06 | 4716 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4717 | return 1; |
4718 | ||
dc6f92b8 JB |
4719 | #ifdef HAVE_X11 |
4720 | if (icon_name) | |
f676886a | 4721 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4722 | else |
f676886a JB |
4723 | if (! f->display.x->icon_label) |
4724 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4725 | |
dfeccd2d | 4726 | #if 0 |
c118dd06 | 4727 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4728 | (char *) f->display.x->icon_label); |
dfeccd2d | 4729 | #endif |
dc6f92b8 | 4730 | |
f676886a | 4731 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4732 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4733 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4734 | if (icon_font_info == 0) |
4735 | icon_font_info | |
4736 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4737 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4738 | "BodyFont")); |
4739 | ||
f676886a | 4740 | if (f->display.x->icon_desc) |
dc6f92b8 | 4741 | { |
c118dd06 | 4742 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4743 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4744 | } |
4745 | ||
4746 | if (icon_name) | |
f676886a | 4747 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4748 | else |
f676886a JB |
4749 | if (! f->display.x->icon_label) |
4750 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4751 | |
f676886a JB |
4752 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4753 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4754 | f->display.x->left_pos, | |
4755 | f->display.x->top_pos, | |
dc6f92b8 JB |
4756 | width + 10, icon_font_info->height + 10, |
4757 | 2, BlackPixmap, WhitePixmap); | |
4758 | ||
4759 | if (icon_window == 0) | |
4760 | return 1; | |
4761 | ||
c118dd06 | 4762 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4763 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4764 | ||
f676886a JB |
4765 | f->display.x->icon_desc = icon_window; |
4766 | f->display.x->icon_bitmap_flag = 0; | |
4767 | f->display.x->icon_label = 0; | |
c118dd06 | 4768 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4769 | |
4770 | return 0; | |
4771 | } | |
4772 | \f | |
4746118a JB |
4773 | /* Handling X errors. */ |
4774 | ||
12ba150f JB |
4775 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4776 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4777 | |
4746118a | 4778 | static SIGTYPE |
c118dd06 | 4779 | x_connection_closed () |
4746118a JB |
4780 | { |
4781 | if (_Xdebug) | |
4782 | abort (); | |
12ba150f | 4783 | |
1cd2d6d4 | 4784 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4785 | |
4786 | exit (70); | |
4746118a JB |
4787 | } |
4788 | ||
8922af5f JB |
4789 | /* An X error handler which prints an error message and then kills |
4790 | Emacs. This is what's normally installed as Xlib's handler for | |
4791 | protocol errors. */ | |
c118dd06 JB |
4792 | static int |
4793 | x_error_quitter (display, error) | |
4794 | Display *display; | |
4795 | XErrorEvent *error; | |
4796 | { | |
4797 | char buf[256]; | |
dc6f92b8 | 4798 | |
c118dd06 JB |
4799 | /* Note that there is no real way portable across R3/R4 to get the |
4800 | original error handler. */ | |
dc6f92b8 | 4801 | |
c118dd06 JB |
4802 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4803 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4804 | buf, error->request_code); | |
dc6f92b8 | 4805 | |
e09f9351 | 4806 | #if 0 |
12ba150f JB |
4807 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4808 | get an X error, so we can figure out why it happened. */ | |
4809 | abort (); | |
e09f9351 | 4810 | #endif |
12ba150f | 4811 | |
c118dd06 | 4812 | x_connection_closed (); |
dc6f92b8 JB |
4813 | } |
4814 | ||
8922af5f JB |
4815 | /* A handler for X IO errors which prints an error message and then |
4816 | kills Emacs. This is what is always installed as Xlib's handler | |
4817 | for I/O errors. */ | |
4818 | static int | |
4819 | x_io_error_quitter (display) | |
4820 | Display *display; | |
4821 | { | |
4822 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4823 | XDisplayName (DisplayString (display))); | |
4824 | ||
e09f9351 | 4825 | #if 0 |
8922af5f JB |
4826 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4827 | get an X error, so we can figure out why it happened. */ | |
4828 | abort (); | |
e09f9351 | 4829 | #endif |
8922af5f JB |
4830 | |
4831 | x_connection_closed (); | |
4832 | } | |
4833 | ||
c118dd06 | 4834 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4835 | static char *x_caught_error_message; |
4836 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4837 | |
4838 | /* An X error handler which stores the error message in | |
4839 | x_caught_error_message. This is what's installed when | |
4840 | x_catch_errors is in effect. */ | |
4841 | static int | |
4842 | x_error_catcher (display, error) | |
4843 | Display *display; | |
4844 | XErrorEvent *error; | |
4845 | { | |
4846 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4847 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4848 | } |
4849 | ||
4850 | ||
4851 | /* Begin trapping X errors. | |
dc6f92b8 | 4852 | |
c118dd06 JB |
4853 | After calling this function, X protocol errors no longer cause |
4854 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4855 | |
c118dd06 JB |
4856 | Calling x_check_errors signals an Emacs error if an X error has |
4857 | occurred since the last call to x_catch_errors or x_check_errors. | |
4858 | ||
4859 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4860 | ||
bc20ebbf | 4861 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4862 | |
4863 | void | |
4864 | x_catch_errors () | |
dc6f92b8 | 4865 | { |
c118dd06 JB |
4866 | /* Make sure any errors from previous requests have been dealt with. */ |
4867 | XSync (x_current_display, False); | |
dc6f92b8 | 4868 | |
c118dd06 | 4869 | /* Set up the error buffer. */ |
60f9aad3 | 4870 | x_caught_error_message |
cef13e55 RS |
4871 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4872 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4873 | |
c118dd06 JB |
4874 | /* Install our little error handler. */ |
4875 | XHandleError (x_error_catcher); | |
4876 | } | |
16bd92ea | 4877 | |
c118dd06 JB |
4878 | /* If any X protocol errors have arrived since the last call to |
4879 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4880 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4881 | |
c118dd06 JB |
4882 | void |
4883 | x_check_errors (format) | |
4884 | char *format; | |
4885 | { | |
4886 | /* Make sure to catch any errors incurred so far. */ | |
4887 | XSync (x_current_display, False); | |
16bd92ea | 4888 | |
cef13e55 | 4889 | if (x_caught_error_message[0]) |
c118dd06 | 4890 | { |
cef13e55 | 4891 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4892 | |
cef13e55 | 4893 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4894 | x_uncatch_errors (); |
4895 | error (buf); | |
4896 | } | |
4897 | } | |
4898 | ||
b849c413 RS |
4899 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4900 | ||
4901 | int | |
4902 | x_had_errors_p () | |
4903 | { | |
4904 | /* Make sure to catch any errors incurred so far. */ | |
4905 | XSync (x_current_display, False); | |
4906 | ||
4907 | return x_caught_error_message[0] != 0; | |
4908 | } | |
4909 | ||
812361a1 RS |
4910 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4911 | ||
c118dd06 JB |
4912 | void |
4913 | x_uncatch_errors () | |
4914 | { | |
9ac0d9e0 | 4915 | xfree (x_caught_error_message); |
cef13e55 | 4916 | x_caught_error_message = 0; |
c118dd06 | 4917 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4918 | } |
4919 | ||
dc6f92b8 JB |
4920 | #if 0 |
4921 | static unsigned int x_wire_count; | |
4922 | x_trace_wire () | |
4923 | { | |
4924 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4925 | } | |
c118dd06 | 4926 | #endif /* ! 0 */ |
dc6f92b8 JB |
4927 | |
4928 | \f | |
f451eb13 JB |
4929 | /* Changing the font of the frame. */ |
4930 | ||
f676886a | 4931 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4932 | to the font named NEWNAME. This is safe to use |
f676886a | 4933 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4934 | |
4935 | #ifdef HAVE_X11 | |
4936 | ||
2224a5fc RS |
4937 | struct font_info |
4938 | { | |
4939 | XFontStruct *font; | |
4940 | char *name; | |
4941 | }; | |
4942 | ||
dc6f92b8 | 4943 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4944 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4945 | |
4946 | /* The current capacity of x_font_table. */ | |
4947 | static int x_font_table_size; | |
4948 | ||
4949 | /* The number of fonts actually stored in x_font_table. | |
4950 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4951 | 0 <= n_fonts <= x_font_table_size. */ | |
4952 | static int n_fonts; | |
4953 | ||
b5cf7a0e | 4954 | Lisp_Object |
f676886a JB |
4955 | x_new_font (f, fontname) |
4956 | struct frame *f; | |
dc6f92b8 JB |
4957 | register char *fontname; |
4958 | { | |
dc6f92b8 JB |
4959 | int already_loaded; |
4960 | int n_matching_fonts; | |
4961 | XFontStruct *font_info; | |
4962 | char **font_names; | |
4963 | ||
4964 | /* Get a list of all the fonts that match this name. Once we | |
4965 | have a list of matching fonts, we compare them against the fonts | |
4966 | we already have by comparing font ids. */ | |
2224a5fc RS |
4967 | font_names = (char **) XListFonts (x_current_display, fontname, |
4968 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
4969 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4970 | find any matches; font_names == 0 is the only clue. */ | |
4971 | if (! font_names) | |
4972 | n_matching_fonts = 0; | |
4973 | ||
5835f860 RS |
4974 | /* Don't just give up if n_matching_fonts is 0. |
4975 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4976 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4977 | |
90e65f07 | 4978 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4979 | already_loaded = -1; |
4980 | if (n_matching_fonts != 0) | |
4981 | { | |
4982 | int i, j; | |
dc6f92b8 | 4983 | |
5835f860 RS |
4984 | for (i = 0; i < n_fonts; i++) |
4985 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 4986 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
4987 | { |
4988 | already_loaded = i; | |
4989 | fontname = font_names[j]; | |
4990 | goto found_font; | |
4991 | } | |
4992 | } | |
dc6f92b8 JB |
4993 | found_font: |
4994 | ||
4995 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
4996 | if (already_loaded >= 0) |
4997 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 4998 | |
dc6f92b8 JB |
4999 | /* Otherwise, load the font and add it to the table. */ |
5000 | else | |
5001 | { | |
9696f58b | 5002 | int i; |
dc6f92b8 JB |
5003 | XFontStruct *font; |
5004 | ||
9696f58b | 5005 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5006 | #if 0 |
5007 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5008 | for (i = 0; i < n_matching_fonts; i++) |
5009 | if (! font_info[i].per_char) | |
5010 | break; | |
f126bd67 JB |
5011 | #else |
5012 | i = 0; | |
5013 | #endif | |
9696f58b | 5014 | |
5835f860 RS |
5015 | /* See comment above. */ |
5016 | if (n_matching_fonts != 0) | |
9696f58b JB |
5017 | fontname = font_names[i]; |
5018 | ||
dc6f92b8 JB |
5019 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5020 | if (! font) | |
5835f860 | 5021 | { |
2224a5fc | 5022 | /* Free the information from XListFonts. */ |
5835f860 | 5023 | if (n_matching_fonts) |
2224a5fc | 5024 | XFreeFontNames (font_names); |
5835f860 RS |
5025 | return Qnil; |
5026 | } | |
dc6f92b8 JB |
5027 | |
5028 | /* Do we need to create the table? */ | |
5029 | if (x_font_table_size == 0) | |
5030 | { | |
5031 | x_font_table_size = 16; | |
5032 | x_font_table | |
2224a5fc RS |
5033 | = (struct font_info *) xmalloc (x_font_table_size |
5034 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5035 | } |
5036 | /* Do we need to grow the table? */ | |
5037 | else if (n_fonts >= x_font_table_size) | |
5038 | { | |
90e65f07 | 5039 | x_font_table_size *= 2; |
dc6f92b8 | 5040 | x_font_table |
2224a5fc RS |
5041 | = (struct font_info *) xrealloc (x_font_table, |
5042 | (x_font_table_size | |
5043 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5044 | } |
5045 | ||
dff815ef | 5046 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5047 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5048 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5049 | } |
2224a5fc | 5050 | |
f676886a | 5051 | /* Now make the frame display the given font. */ |
c118dd06 | 5052 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5053 | { |
f676886a JB |
5054 | XSetFont (x_current_display, f->display.x->normal_gc, |
5055 | f->display.x->font->fid); | |
5056 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5057 | f->display.x->font->fid); | |
5058 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5059 | f->display.x->font->fid); | |
5060 | ||
a27f9f86 | 5061 | frame_update_line_height (f); |
0134a210 | 5062 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 5063 | } |
a27f9f86 RS |
5064 | else |
5065 | /* If we are setting a new frame's font for the first time, | |
5066 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5067 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5068 | |
b5cf7a0e | 5069 | { |
abdda982 | 5070 | Lisp_Object lispy_name; |
b5cf7a0e | 5071 | |
abdda982 | 5072 | lispy_name = build_string (fontname); |
b5cf7a0e | 5073 | |
2224a5fc | 5074 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5075 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5076 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5077 | |
5078 | return lispy_name; | |
5079 | } | |
dc6f92b8 | 5080 | } |
c118dd06 | 5081 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5082 | x_new_font (f, newname) |
5083 | struct frame *f; | |
dc6f92b8 JB |
5084 | register char *newname; |
5085 | { | |
5086 | FONT_TYPE *temp; | |
5087 | int mask; | |
5088 | ||
5089 | temp = XGetFont (newname); | |
5090 | if (temp == (FONT_TYPE *) 0) | |
5091 | return 1; | |
5092 | ||
f676886a JB |
5093 | if (f->display.x->font) |
5094 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5095 | |
f676886a | 5096 | f->display.x->font = temp; |
dc6f92b8 | 5097 | |
c118dd06 | 5098 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5099 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5100 | |
5101 | return 0; | |
5102 | } | |
c118dd06 | 5103 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5104 | \f |
f676886a JB |
5105 | x_calc_absolute_position (f) |
5106 | struct frame *f; | |
dc6f92b8 JB |
5107 | { |
5108 | #ifdef HAVE_X11 | |
6dba1858 RS |
5109 | Window win, child; |
5110 | int win_x = 0, win_y = 0; | |
5111 | ||
5112 | /* Find the position of the outside upper-left corner of | |
5113 | the inner window, with respect to the outer window. */ | |
5114 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5115 | { | |
5116 | BLOCK_INPUT; | |
5117 | XTranslateCoordinates (x_current_display, | |
5118 | ||
5119 | /* From-window, to-window. */ | |
5120 | f->display.x->window_desc, | |
5121 | f->display.x->parent_desc, | |
5122 | ||
5123 | /* From-position, to-position. */ | |
5124 | 0, 0, &win_x, &win_y, | |
5125 | ||
5126 | /* Child of win. */ | |
5127 | &child); | |
5128 | UNBLOCK_INPUT; | |
5129 | } | |
5130 | ||
5131 | /* Treat negative positions as relative to the leftmost bottommost | |
5132 | position that fits on the screen. */ | |
f676886a | 5133 | if (f->display.x->left_pos < 0) |
31ea78fd | 5134 | f->display.x->left_pos = (x_screen_width |
69388238 | 5135 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5136 | - PIXEL_WIDTH (f) |
5137 | + f->display.x->left_pos); | |
dc6f92b8 | 5138 | |
f676886a | 5139 | if (f->display.x->top_pos < 0) |
31ea78fd | 5140 | f->display.x->top_pos = (x_screen_height |
69388238 | 5141 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5142 | - PIXEL_HEIGHT (f) |
5143 | + f->display.x->top_pos); | |
6dba1858 | 5144 | |
c118dd06 | 5145 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5146 | WINDOWINFO_TYPE parentinfo; |
5147 | ||
c118dd06 | 5148 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5149 | |
f676886a JB |
5150 | if (f->display.x->left_pos < 0) |
5151 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5152 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5153 | |
f676886a JB |
5154 | if (f->display.x->top_pos < 0) |
5155 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5156 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5157 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5158 | } |
5159 | ||
dc05a16b | 5160 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5161 | struct frame *f; |
dc6f92b8 | 5162 | register int xoff, yoff; |
dc05a16b | 5163 | int change_gravity; |
dc6f92b8 | 5164 | { |
f676886a JB |
5165 | f->display.x->top_pos = yoff; |
5166 | f->display.x->left_pos = xoff; | |
5167 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
5168 | |
5169 | BLOCK_INPUT; | |
3afe33e7 RS |
5170 | #ifdef USE_X_TOOLKIT |
5171 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5172 | f->display.x->left_pos, f->display.x->top_pos); | |
5173 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5174 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5175 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5176 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5177 | #ifdef HAVE_X11 |
dc05a16b RS |
5178 | if (change_gravity) |
5179 | f->display.x->win_gravity = NorthWestGravity; | |
5180 | ||
5181 | x_wm_set_size_hint (f, 0, 1); | |
c118dd06 | 5182 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5183 | UNBLOCK_INPUT; |
5184 | } | |
5185 | ||
bc20ebbf FP |
5186 | /* Call this to change the size of frame F's x-window. |
5187 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5188 | for this size change and subsequent size changes. | |
5189 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5190 | |
bc20ebbf | 5191 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5192 | struct frame *f; |
bc20ebbf | 5193 | int change_gravity; |
b1c884c3 | 5194 | int cols, rows; |
dc6f92b8 JB |
5195 | { |
5196 | int pixelwidth, pixelheight; | |
5197 | int mask; | |
dc6f92b8 | 5198 | |
80fd1fe2 FP |
5199 | #ifdef USE_X_TOOLKIT |
5200 | BLOCK_INPUT; | |
5201 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5202 | UNBLOCK_INPUT; | |
5203 | ||
5204 | #else /* not USE_X_TOOLKIT */ | |
5205 | ||
dc6f92b8 JB |
5206 | BLOCK_INPUT; |
5207 | ||
b1c884c3 | 5208 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5209 | f->display.x->vertical_scroll_bar_extra |
5210 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5211 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5212 | : 0); | |
f451eb13 JB |
5213 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5214 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5215 | |
5216 | #ifdef HAVE_X11 | |
dc05a16b | 5217 | x_wm_set_size_hint (f, 0, change_gravity); |
c118dd06 | 5218 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5219 | XSync (x_current_display, False); |
c118dd06 | 5220 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5221 | |
5222 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5223 | but the window manager will get around to dealing with the size | |
5224 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5225 | ConfigureNotify event gets here. |
5226 | ||
5227 | We could just not bother storing any of this information here, | |
5228 | and let the ConfigureNotify event set everything up, but that | |
5229 | might be kind of confusing to the lisp code, since size changes | |
5230 | wouldn't be reported in the frame parameters until some random | |
5231 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5232 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5233 | PIXEL_WIDTH (f) = pixelwidth; |
5234 | PIXEL_HEIGHT (f) = pixelheight; | |
5235 | ||
dbc4e1c1 JB |
5236 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5237 | receive in the ConfigureNotify event; if we get what we asked | |
5238 | for, then the event won't cause the screen to become garbaged, so | |
5239 | we have to make sure to do it here. */ | |
5240 | SET_FRAME_GARBAGED (f); | |
5241 | ||
dc6f92b8 JB |
5242 | XFlushQueue (); |
5243 | UNBLOCK_INPUT; | |
80fd1fe2 | 5244 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5245 | } |
5246 | ||
5247 | #ifndef HAVE_X11 | |
f676886a JB |
5248 | x_set_resize_hint (f) |
5249 | struct frame *f; | |
dc6f92b8 | 5250 | { |
12ba150f JB |
5251 | XSetResizeHint (FRAME_X_WINDOW (f), |
5252 | 2 * f->display.x->internal_border_width, | |
f676886a | 5253 | 2 * f->display.x->internal_border_width, |
12ba150f | 5254 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5255 | f->display.x->line_height); |
dc6f92b8 | 5256 | } |
c118dd06 | 5257 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5258 | \f |
f451eb13 | 5259 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5260 | |
f676886a JB |
5261 | x_set_mouse_position (f, x, y) |
5262 | struct frame *f; | |
dc6f92b8 JB |
5263 | int x, y; |
5264 | { | |
5265 | int pix_x, pix_y; | |
5266 | ||
4466efa5 | 5267 | #if 0 /* Let the user ask for this if he wants it. */ |
f676886a | 5268 | x_raise_frame (f); |
4466efa5 | 5269 | #endif |
dc6f92b8 | 5270 | |
12ba150f | 5271 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5272 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5273 | |
5274 | if (pix_x < 0) pix_x = 0; | |
5275 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5276 | ||
5277 | if (pix_y < 0) pix_y = 0; | |
5278 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5279 | |
5280 | BLOCK_INPUT; | |
dc6f92b8 | 5281 | |
c118dd06 | 5282 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5283 | UNBLOCK_INPUT; |
5284 | } | |
5285 | ||
5286 | #ifdef HAVE_X11 | |
f676886a JB |
5287 | x_focus_on_frame (f) |
5288 | struct frame *f; | |
dc6f92b8 | 5289 | { |
1fb20991 | 5290 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5291 | x_raise_frame (f); |
1fb20991 | 5292 | #endif |
6d4238f3 JB |
5293 | #if 0 |
5294 | /* I don't think that the ICCCM allows programs to do things like this | |
5295 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5296 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5297 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5298 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5299 | #endif /* ! 0 */ |
dc6f92b8 JB |
5300 | } |
5301 | ||
f676886a JB |
5302 | x_unfocus_frame (f) |
5303 | struct frame *f; | |
dc6f92b8 | 5304 | { |
6d4238f3 | 5305 | #if 0 |
f676886a JB |
5306 | /* Look at the remarks in x_focus_on_frame. */ |
5307 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5308 | XSetInputFocus (x_current_display, PointerRoot, |
5309 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5310 | #endif /* ! 0 */ |
dc6f92b8 JB |
5311 | } |
5312 | ||
c118dd06 | 5313 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5314 | |
f676886a | 5315 | /* Raise frame F. */ |
dc6f92b8 | 5316 | |
f676886a JB |
5317 | x_raise_frame (f) |
5318 | struct frame *f; | |
dc6f92b8 | 5319 | { |
3a88c238 | 5320 | if (f->async_visible) |
dc6f92b8 JB |
5321 | { |
5322 | BLOCK_INPUT; | |
3afe33e7 RS |
5323 | #ifdef USE_X_TOOLKIT |
5324 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5325 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5326 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5327 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5328 | XFlushQueue (); |
5329 | UNBLOCK_INPUT; | |
5330 | } | |
5331 | } | |
5332 | ||
f676886a | 5333 | /* Lower frame F. */ |
dc6f92b8 | 5334 | |
f676886a JB |
5335 | x_lower_frame (f) |
5336 | struct frame *f; | |
dc6f92b8 | 5337 | { |
3a88c238 | 5338 | if (f->async_visible) |
dc6f92b8 JB |
5339 | { |
5340 | BLOCK_INPUT; | |
3afe33e7 RS |
5341 | #ifdef USE_X_TOOLKIT |
5342 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5343 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5344 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5345 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5346 | XFlushQueue (); |
5347 | UNBLOCK_INPUT; | |
5348 | } | |
5349 | } | |
5350 | ||
dbc4e1c1 JB |
5351 | static void |
5352 | XTframe_raise_lower (f, raise) | |
5353 | FRAME_PTR f; | |
5354 | int raise; | |
5355 | { | |
5356 | if (raise) | |
5357 | x_raise_frame (f); | |
5358 | else | |
5359 | x_lower_frame (f); | |
5360 | } | |
5361 | ||
5362 | ||
dc6f92b8 JB |
5363 | /* Change from withdrawn state to mapped state. */ |
5364 | ||
f676886a JB |
5365 | x_make_frame_visible (f) |
5366 | struct frame *f; | |
dc6f92b8 JB |
5367 | { |
5368 | int mask; | |
5369 | ||
dc6f92b8 | 5370 | BLOCK_INPUT; |
dc6f92b8 | 5371 | |
f676886a | 5372 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5373 | { |
5374 | #ifdef HAVE_X11 | |
996e89cd | 5375 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); |
dc05a16b | 5376 | |
90e65f07 | 5377 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5378 | x_wm_set_window_state (f, NormalState); |
3afe33e7 RS |
5379 | #ifdef USE_X_TOOLKIT |
5380 | XtPopup (f->display.x->widget, XtGrabNone); | |
5381 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5382 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5383 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5384 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5385 | if the window configuration has changed. They seem | |
5386 | to come back ok without this. */ | |
ab648270 | 5387 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 5388 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 5389 | #endif |
c118dd06 JB |
5390 | #else /* ! defined (HAVE_X11) */ |
5391 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5392 | if (f->display.x->icon_desc != 0) |
5393 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5394 | |
90e65f07 | 5395 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5396 | f->async_visible = 1; |
5397 | f->async_iconified = 0; | |
dc6f92b8 | 5398 | |
f676886a | 5399 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5400 | XTcursor_to (0, 0); |
c118dd06 | 5401 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5402 | } |
dc6f92b8 | 5403 | |
dc6f92b8 | 5404 | XFlushQueue (); |
90e65f07 | 5405 | |
dc6f92b8 JB |
5406 | UNBLOCK_INPUT; |
5407 | } | |
5408 | ||
5409 | /* Change from mapped state to withdrawn state. */ | |
5410 | ||
f676886a JB |
5411 | x_make_frame_invisible (f) |
5412 | struct frame *f; | |
dc6f92b8 JB |
5413 | { |
5414 | int mask; | |
5415 | ||
9319ae23 RS |
5416 | /* Don't keep the highlight on an invisible frame. */ |
5417 | if (x_highlight_frame == f) | |
5418 | x_highlight_frame = 0; | |
5419 | ||
5627c40e | 5420 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5421 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5422 | return; |
5627c40e | 5423 | #endif |
dc6f92b8 JB |
5424 | |
5425 | BLOCK_INPUT; | |
c118dd06 JB |
5426 | |
5427 | #ifdef HAVE_X11R4 | |
5428 | ||
bc20ebbf | 5429 | #ifdef USE_X_TOOLKIT |
5627c40e | 5430 | XtPopdown (f->display.x->widget); |
bc20ebbf | 5431 | #else /* not USE_X_TOOLKIT */ |
c118dd06 JB |
5432 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), |
5433 | DefaultScreen (x_current_display))) | |
5434 | { | |
5435 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 5436 | error ("can't notify window manager of window withdrawal"); |
c118dd06 | 5437 | } |
5627c40e | 5438 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 JB |
5439 | |
5440 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5441 | #ifdef HAVE_X11 |
16bd92ea | 5442 | |
c118dd06 | 5443 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5444 | if (! EQ (Vx_no_window_manager, Qt)) |
5445 | { | |
16bd92ea | 5446 | XEvent unmap; |
dc6f92b8 | 5447 | |
16bd92ea | 5448 | unmap.xunmap.type = UnmapNotify; |
bc20ebbf FP |
5449 | #ifdef USE_X_TOOLKIT |
5450 | unmap.xunmap.window = XtWindow (f->display.x->widget); | |
5451 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5452 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
bc20ebbf | 5453 | #endif /* not USE_X_TOOLKIT */ |
16bd92ea JB |
5454 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5455 | unmap.xunmap.from_configure = False; | |
5456 | if (! XSendEvent (x_current_display, | |
5457 | DefaultRootWindow (x_current_display), | |
5458 | False, | |
5459 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5460 | &unmap)) | |
5461 | { | |
5462 | UNBLOCK_INPUT_RESIGNAL; | |
5463 | error ("can't notify window manager of withdrawal"); | |
5464 | } | |
dc6f92b8 JB |
5465 | } |
5466 | ||
16bd92ea | 5467 | /* Unmap the window ourselves. Cheeky! */ |
bc20ebbf FP |
5468 | #ifdef USE_X_TOOLKIT |
5469 | XUnmapWindow (x_current_display, XtWindow (f->display.x->widget)); | |
5470 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5471 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
bc20ebbf | 5472 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 | 5473 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5474 | |
c118dd06 | 5475 | XUnmapWindow (FRAME_X_WINDOW (f)); |
f676886a | 5476 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5477 | XUnmapWindow (f->display.x->icon_desc); |
5478 | ||
5479 | #endif /* ! defined (HAVE_X11) */ | |
5480 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5481 | |
5627c40e RS |
5482 | /* We can't distinguish this from iconification |
5483 | just by the event that we get from the server. | |
5484 | So we can't win using the usual strategy of letting | |
5485 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5486 | and synchronize with the server to make sure we agree. */ | |
5487 | f->visible = 0; | |
5488 | FRAME_ICONIFIED_P (f) = 0; | |
5489 | f->async_visible = 0; | |
5490 | f->async_iconified = 0; | |
5491 | ||
5492 | x_sync (); | |
5493 | ||
dc6f92b8 JB |
5494 | UNBLOCK_INPUT; |
5495 | } | |
5496 | ||
dc6f92b8 JB |
5497 | /* Change window state from mapped to iconified. */ |
5498 | ||
f676886a JB |
5499 | x_iconify_frame (f) |
5500 | struct frame *f; | |
dc6f92b8 JB |
5501 | { |
5502 | int mask; | |
3afe33e7 | 5503 | int result; |
dc6f92b8 | 5504 | |
9319ae23 RS |
5505 | /* Don't keep the highlight on an invisible frame. */ |
5506 | if (x_highlight_frame == f) | |
5507 | x_highlight_frame = 0; | |
5508 | ||
3a88c238 | 5509 | if (f->async_iconified) |
dc6f92b8 JB |
5510 | return; |
5511 | ||
3afe33e7 RS |
5512 | #ifdef USE_X_TOOLKIT |
5513 | BLOCK_INPUT; | |
5514 | result = XIconifyWindow (x_current_display, | |
bc20ebbf | 5515 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5516 | DefaultScreen (x_current_display)); |
5517 | UNBLOCK_INPUT; | |
5518 | ||
5519 | if (!result) | |
5520 | error ("Can't notify window manager of iconification."); | |
5521 | ||
5522 | f->async_iconified = 1; | |
8c002a25 KH |
5523 | |
5524 | BLOCK_INPUT; | |
5525 | XFlushQueue (); | |
5526 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5527 | #else /* not USE_X_TOOLKIT */ |
5528 | ||
dc6f92b8 JB |
5529 | BLOCK_INPUT; |
5530 | ||
5531 | #ifdef HAVE_X11 | |
16bd92ea JB |
5532 | /* Since we don't know which revision of X we're running, we'll use both |
5533 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5534 | ||
5535 | /* X11R4: send a ClientMessage to the window manager using the | |
5536 | WM_CHANGE_STATE type. */ | |
5537 | { | |
5538 | XEvent message; | |
5539 | ||
c118dd06 | 5540 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5541 | message.xclient.type = ClientMessage; |
5542 | message.xclient.message_type = Xatom_wm_change_state; | |
5543 | message.xclient.format = 32; | |
5544 | message.xclient.data.l[0] = IconicState; | |
5545 | ||
5546 | if (! XSendEvent (x_current_display, | |
5547 | DefaultRootWindow (x_current_display), | |
5548 | False, | |
5549 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5550 | &message)) | |
dc6f92b8 JB |
5551 | { |
5552 | UNBLOCK_INPUT_RESIGNAL; | |
5553 | error ("Can't notify window manager of iconification."); | |
5554 | } | |
16bd92ea | 5555 | } |
dc6f92b8 | 5556 | |
16bd92ea JB |
5557 | /* X11R3: set the initial_state field of the window manager hints to |
5558 | IconicState. */ | |
5559 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5560 | |
a9c00105 RS |
5561 | if (!FRAME_VISIBLE_P (f)) |
5562 | { | |
5563 | /* If the frame was withdrawn, before, we must map it. */ | |
5564 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5565 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5566 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5567 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5568 | #endif |
a9c00105 RS |
5569 | } |
5570 | ||
3a88c238 | 5571 | f->async_iconified = 1; |
c118dd06 JB |
5572 | #else /* ! defined (HAVE_X11) */ |
5573 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5574 | |
3a88c238 | 5575 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5576 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5577 | { |
f676886a JB |
5578 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5579 | refreshicon (f); | |
dc6f92b8 | 5580 | } |
c118dd06 | 5581 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5582 | |
5583 | XFlushQueue (); | |
5584 | UNBLOCK_INPUT; | |
8c002a25 | 5585 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5586 | } |
5587 | ||
c0ff3fab | 5588 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5589 | |
c0ff3fab | 5590 | x_destroy_window (f) |
f676886a | 5591 | struct frame *f; |
dc6f92b8 | 5592 | { |
dc6f92b8 | 5593 | BLOCK_INPUT; |
c0ff3fab JB |
5594 | |
5595 | if (f->display.x->icon_desc != 0) | |
5596 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5597 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5598 | #ifdef USE_X_TOOLKIT |
5599 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5600 | free_frame_menubar (f); |
3afe33e7 RS |
5601 | #endif /* USE_X_TOOLKIT */ |
5602 | ||
07e34cb0 | 5603 | free_frame_faces (f); |
dc6f92b8 | 5604 | XFlushQueue (); |
dc6f92b8 | 5605 | |
9ac0d9e0 | 5606 | xfree (f->display.x); |
c0ff3fab | 5607 | f->display.x = 0; |
f676886a JB |
5608 | if (f == x_focus_frame) |
5609 | x_focus_frame = 0; | |
5610 | if (f == x_highlight_frame) | |
5611 | x_highlight_frame = 0; | |
c0ff3fab | 5612 | |
0134a210 | 5613 | if (f == mouse_face_mouse_frame) |
dc05a16b RS |
5614 | { |
5615 | mouse_face_beg = -1; | |
5616 | mouse_face_end = -1; | |
5617 | mouse_face_window = Qnil; | |
5618 | } | |
0134a210 | 5619 | |
c0ff3fab | 5620 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5621 | } |
5622 | \f | |
f451eb13 JB |
5623 | /* Manage event queues for X10. */ |
5624 | ||
dc6f92b8 JB |
5625 | #ifndef HAVE_X11 |
5626 | ||
5627 | /* Manage event queues. | |
5628 | ||
5629 | This code is only used by the X10 support. | |
5630 | ||
5631 | We cannot leave events in the X queue and get them when we are ready | |
5632 | because X does not provide a subroutine to get only a certain kind | |
5633 | of event but not block if there are no queued events of that kind. | |
5634 | ||
5635 | Therefore, we must examine events as they come in and copy events | |
5636 | of certain kinds into our private queues. | |
5637 | ||
5638 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5639 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5640 | |
5641 | ||
5642 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5643 | If the queue is full, do nothing, but return nonzero. */ | |
5644 | ||
5645 | int | |
5646 | enqueue_event (p_xrep, queue) | |
5647 | register XEvent *p_xrep; | |
5648 | register struct event_queue *queue; | |
5649 | { | |
5650 | int newindex = queue->windex + 1; | |
5651 | if (newindex == EVENT_BUFFER_SIZE) | |
5652 | newindex = 0; | |
5653 | if (newindex == queue->rindex) | |
5654 | return -1; | |
5655 | queue->xrep[queue->windex] = *p_xrep; | |
5656 | queue->windex = newindex; | |
5657 | return 0; | |
5658 | } | |
5659 | ||
5660 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5661 | If *QUEUE is empty, do nothing and return 0. */ | |
5662 | ||
5663 | int | |
5664 | dequeue_event (p_xrep, queue) | |
5665 | register XEvent *p_xrep; | |
5666 | register struct event_queue *queue; | |
5667 | { | |
5668 | if (queue->windex == queue->rindex) | |
5669 | return 0; | |
5670 | *p_xrep = queue->xrep[queue->rindex++]; | |
5671 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5672 | queue->rindex = 0; | |
5673 | return 1; | |
5674 | } | |
5675 | ||
5676 | /* Return the number of events buffered in *QUEUE. */ | |
5677 | ||
5678 | int | |
5679 | queue_event_count (queue) | |
5680 | register struct event_queue *queue; | |
5681 | { | |
5682 | int tem = queue->windex - queue->rindex; | |
5683 | if (tem >= 0) | |
5684 | return tem; | |
5685 | return EVENT_BUFFER_SIZE + tem; | |
5686 | } | |
5687 | ||
5688 | /* Return nonzero if mouse input is pending. */ | |
5689 | ||
5690 | int | |
5691 | mouse_event_pending_p () | |
5692 | { | |
5693 | return queue_event_count (&x_mouse_queue); | |
5694 | } | |
c118dd06 | 5695 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5696 | \f |
f451eb13 JB |
5697 | /* Setting window manager hints. */ |
5698 | ||
dc6f92b8 JB |
5699 | #ifdef HAVE_X11 |
5700 | ||
6dba1858 | 5701 | /* SPEC_X and SPEC_Y are the specified positions. |
bc20ebbf | 5702 | We look only at their sign, to decide the gravity. |
dc05a16b | 5703 | If CHANGE_GRAVITY is 0, we may set PWinGravity. */ |
6dba1858 | 5704 | |
dc05a16b | 5705 | x_wm_set_size_hint (f, prompting, change_gravity) |
f676886a | 5706 | struct frame *f; |
dc6f92b8 | 5707 | long prompting; |
bc20ebbf | 5708 | int change_gravity; |
dc6f92b8 JB |
5709 | { |
5710 | XSizeHints size_hints; | |
3afe33e7 RS |
5711 | |
5712 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5713 | Arg al[2]; |
5714 | int ac = 0; | |
5715 | Dimension widget_width, widget_height; | |
bc20ebbf | 5716 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5717 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5718 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5719 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5720 | |
f7f79491 | 5721 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 5722 | |
f676886a JB |
5723 | flexlines = f->height; |
5724 | ||
5725 | size_hints.x = f->display.x->left_pos; | |
5726 | size_hints.y = f->display.x->top_pos; | |
7e4f2521 FP |
5727 | #ifdef USE_X_TOOLKIT |
5728 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5729 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5730 | XtGetValues (f->display.x->column_widget, al, ac); | |
5731 | size_hints.height = widget_height; | |
5732 | size_hints.width = widget_width; | |
5733 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5734 | size_hints.height = PIXEL_HEIGHT (f); |
5735 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5736 | #endif /* not USE_X_TOOLKIT */ |
f676886a | 5737 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5738 | size_hints.height_inc = f->display.x->line_height; |
0134a210 | 5739 | |
b1c884c3 | 5740 | { |
b0342f17 | 5741 | int base_width, base_height; |
0134a210 | 5742 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5743 | |
f451eb13 JB |
5744 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5745 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5746 | |
0134a210 | 5747 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5748 | |
0134a210 RS |
5749 | /* The window manager uses the base width hints to calculate the |
5750 | current number of rows and columns in the frame while | |
5751 | resizing; min_width and min_height aren't useful for this | |
5752 | purpose, since they might not give the dimensions for a | |
5753 | zero-row, zero-column frame. | |
5754 | ||
5755 | We use the base_width and base_height members if we have | |
5756 | them; otherwise, we set the min_width and min_height members | |
5757 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5758 | |
5759 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5760 | size_hints.flags |= PBaseSize; |
5761 | size_hints.base_width = base_width; | |
5762 | size_hints.base_height = base_height; | |
5763 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5764 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5765 | #else |
0134a210 RS |
5766 | size_hints.min_width = base_width; |
5767 | size_hints.min_height = base_height; | |
b0342f17 | 5768 | #endif |
b1c884c3 | 5769 | } |
dc6f92b8 JB |
5770 | |
5771 | if (prompting) | |
5772 | size_hints.flags |= prompting; | |
5773 | else | |
5774 | { | |
5775 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5776 | ||
82ee0df4 RS |
5777 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
5778 | hints.flags = 0; | |
dc6f92b8 JB |
5779 | if (hints.flags & PSize) |
5780 | size_hints.flags |= PSize; | |
5781 | if (hints.flags & PPosition) | |
5782 | size_hints.flags |= PPosition; | |
5783 | if (hints.flags & USPosition) | |
5784 | size_hints.flags |= USPosition; | |
5785 | if (hints.flags & USSize) | |
5786 | size_hints.flags |= USSize; | |
5787 | } | |
0134a210 | 5788 | |
dc05a16b RS |
5789 | size_hints.win_gravity = f->display.x->win_gravity; |
5790 | ||
2554751d | 5791 | #if defined (PWinGravity) |
bc20ebbf | 5792 | if (change_gravity) |
6dba1858 | 5793 | { |
0134a210 RS |
5794 | if (! (size_hints.flags & USPosition)) |
5795 | size_hints.flags |= PWinGravity; | |
6dba1858 | 5796 | } |
2554751d | 5797 | #endif /* PWinGravity */ |
6dba1858 | 5798 | |
b0342f17 JB |
5799 | #ifdef HAVE_X11R4 |
5800 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5801 | #else | |
dc6f92b8 | 5802 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5803 | #endif |
dc6f92b8 JB |
5804 | } |
5805 | ||
5806 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5807 | x_wm_set_window_state (f, state) |
5808 | struct frame *f; | |
dc6f92b8 JB |
5809 | int state; |
5810 | { | |
3afe33e7 | 5811 | #ifdef USE_X_TOOLKIT |
bc20ebbf | 5812 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5813 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5814 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5815 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5816 | |
16bd92ea JB |
5817 | f->display.x->wm_hints.flags |= StateHint; |
5818 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5819 | |
16bd92ea | 5820 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5821 | } |
5822 | ||
f676886a JB |
5823 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5824 | struct frame *f; | |
dc6f92b8 JB |
5825 | Pixmap icon_pixmap; |
5826 | { | |
c118dd06 | 5827 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5828 | |
dbc4e1c1 JB |
5829 | if (icon_pixmap) |
5830 | { | |
5831 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5832 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5833 | } | |
5834 | else | |
5835 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 5836 | |
16bd92ea | 5837 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5838 | } |
5839 | ||
f676886a JB |
5840 | x_wm_set_icon_position (f, icon_x, icon_y) |
5841 | struct frame *f; | |
dc6f92b8 JB |
5842 | int icon_x, icon_y; |
5843 | { | |
c118dd06 | 5844 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5845 | |
16bd92ea JB |
5846 | f->display.x->wm_hints.flags |= IconPositionHint; |
5847 | f->display.x->wm_hints.icon_x = icon_x; | |
5848 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5849 | |
16bd92ea | 5850 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5851 | } |
5852 | ||
5853 | \f | |
f451eb13 JB |
5854 | /* Initialization. */ |
5855 | ||
3afe33e7 RS |
5856 | #ifdef USE_X_TOOLKIT |
5857 | static XrmOptionDescRec emacs_options[] = { | |
5858 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5859 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5860 | ||
5861 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5862 | XrmoptionSepArg, NULL}, | |
5863 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5864 | ||
5865 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5866 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5867 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5868 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5869 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5870 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5871 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5872 | }; | |
5873 | #endif /* USE_X_TOOLKIT */ | |
5874 | ||
dc6f92b8 JB |
5875 | void |
5876 | x_term_init (display_name) | |
5877 | char *display_name; | |
5878 | { | |
f676886a | 5879 | Lisp_Object frame; |
dc6f92b8 | 5880 | char *defaultvalue; |
3afe33e7 RS |
5881 | int argc = 0; |
5882 | char** argv = 0; | |
041b69ac | 5883 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
5884 | #ifdef F_SETOWN |
5885 | extern int old_fcntl_owner; | |
c118dd06 | 5886 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 5887 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 5888 | |
f676886a | 5889 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 5890 | |
3afe33e7 | 5891 | #ifdef USE_X_TOOLKIT |
c2df547c | 5892 | argv = (char **) XtMalloc (5 * sizeof (char *)); |
3afe33e7 RS |
5893 | argv [0] = ""; |
5894 | argv [1] = "-display"; | |
5895 | argv [2] = display_name; | |
c2df547c RS |
5896 | argv [3] = "-name"; |
5897 | argv [4] = "emacs"; | |
5898 | argc = 5; | |
3afe33e7 | 5899 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 5900 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
5901 | &argc, argv, |
5902 | NULL, NULL, 0); | |
5903 | XtFree (argv); | |
5904 | x_current_display = XtDisplay (Xt_app_shell); | |
5905 | ||
5906 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5907 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 5908 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5909 | if (x_current_display == 0) |
041b69ac JB |
5910 | fatal ("X server %s not responding.\n\ |
5911 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
5912 | display_name); |
5913 | ||
5914 | #ifdef HAVE_X11 | |
5915 | { | |
dc6f92b8 JB |
5916 | #if 0 |
5917 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 5918 | #endif /* ! 0 */ |
8c86eccd | 5919 | hostname = get_system_name (); |
59653951 | 5920 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
5921 | + strlen (hostname) |
5922 | + 2); | |
59653951 | 5923 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 5924 | } |
28430d3c JB |
5925 | |
5926 | /* Figure out which modifier bits mean what. */ | |
5927 | x_find_modifier_meanings (); | |
f451eb13 | 5928 | |
ab648270 | 5929 | /* Get the scroll bar cursor. */ |
d56a553a RS |
5930 | x_vertical_scroll_bar_cursor |
5931 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 5932 | |
d56a553a | 5933 | #if 0 |
28430d3c JB |
5934 | /* Watch for PropertyNotify events on the root window; we use them |
5935 | to figure out when to invalidate our cache of the cut buffers. */ | |
5936 | x_watch_cut_buffer_cache (); | |
d56a553a | 5937 | #endif |
28430d3c | 5938 | |
a4fc7360 | 5939 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
5940 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
5941 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 5942 | |
c118dd06 | 5943 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5944 | |
041b69ac | 5945 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5946 | #ifdef F_SETOWN |
61c3ce62 | 5947 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 5948 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
5949 | /* stdin is a socket here */ |
5950 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 5951 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 5952 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
5953 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5954 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5955 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5956 | |
5957 | #ifdef SIGIO | |
5958 | init_sigio (); | |
c118dd06 | 5959 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5960 | |
dc6f92b8 JB |
5961 | expose_all_windows = 0; |
5962 | ||
f676886a | 5963 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5964 | clear_end_of_line_hook = XTclear_end_of_line; |
5965 | ins_del_lines_hook = XTins_del_lines; | |
5966 | change_line_highlight_hook = XTchange_line_highlight; | |
5967 | insert_glyphs_hook = XTinsert_glyphs; | |
5968 | write_glyphs_hook = XTwrite_glyphs; | |
5969 | delete_glyphs_hook = XTdelete_glyphs; | |
5970 | ring_bell_hook = XTring_bell; | |
5971 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5972 | set_terminal_modes_hook = XTset_terminal_modes; | |
5973 | update_begin_hook = XTupdate_begin; | |
5974 | update_end_hook = XTupdate_end; | |
5975 | set_terminal_window_hook = XTset_terminal_window; | |
5976 | read_socket_hook = XTread_socket; | |
b8009dd1 | 5977 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
5978 | cursor_to_hook = XTcursor_to; |
5979 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5980 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5981 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5982 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5983 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5984 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5985 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5986 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 5987 | |
f676886a | 5988 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5989 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5990 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5991 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 5992 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5993 | off the bottom */ |
5994 | baud_rate = 19200; | |
5995 | ||
b30b24cb RS |
5996 | /* Try to use interrupt input; if we can't, then start polling. */ |
5997 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5998 | ||
c118dd06 JB |
5999 | /* Note that there is no real way portable across R3/R4 to get the |
6000 | original error handler. */ | |
6001 | XHandleError (x_error_quitter); | |
8922af5f | 6002 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6003 | |
6004 | /* Disable Window Change signals; they are handled by X events. */ | |
6005 | #ifdef SIGWINCH | |
6006 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6007 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6008 | |
c118dd06 | 6009 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6010 | } |
55123275 JB |
6011 | |
6012 | void | |
6013 | syms_of_xterm () | |
6014 | { | |
ab648270 | 6015 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6016 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6017 | staticpro (&mouse_face_window); |
6018 | mouse_face_window = Qnil; | |
55123275 | 6019 | } |
c118dd06 JB |
6020 | #endif /* ! defined (HAVE_X11) */ |
6021 | #endif /* ! defined (HAVE_X_WINDOWS) */ |