Commit | Line | Data |
---|---|---|
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 | ||
af31d76f | 264 | /* Record which buttons are currently pressed. */ |
69388238 RS |
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. */ | |
3b506386 KH |
279 | static int mouse_face_beg_row, mouse_face_beg_col; |
280 | static int mouse_face_end_row, mouse_face_end_col; | |
b8009dd1 RS |
281 | static Lisp_Object mouse_face_window; |
282 | static int mouse_face_face_id; | |
283 | ||
514e4681 RS |
284 | /* 1 if a mouse motion event came and we didn't handle it right away because |
285 | gc was in progress. */ | |
286 | static int mouse_face_deferred_gc; | |
287 | ||
b8009dd1 RS |
288 | /* FRAME and X, Y position of mouse when last checked for highlighting. */ |
289 | static FRAME_PTR mouse_face_mouse_frame; | |
290 | static int mouse_face_mouse_x, mouse_face_mouse_y; | |
291 | ||
292 | /* Nonzero means defer mouse-motion highlighting. */ | |
293 | static int mouse_face_defer; | |
294 | ||
dc6f92b8 JB |
295 | #ifdef HAVE_X11 |
296 | /* `t' if a mouse button is depressed. */ | |
297 | ||
298 | extern Lisp_Object Vmouse_depressed; | |
299 | ||
300 | /* Tells if a window manager is present or not. */ | |
301 | ||
302 | extern Lisp_Object Vx_no_window_manager; | |
303 | ||
304 | /* Timestamp that we requested selection data was made. */ | |
305 | extern Time requestor_time; | |
306 | ||
307 | /* ID of the window requesting selection data. */ | |
308 | extern Window requestor_window; | |
309 | ||
310 | /* Nonzero enables some debugging for the X interface code. */ | |
311 | extern int _Xdebug; | |
312 | ||
c2df547c | 313 | extern Lisp_Object Qface, Qmouse_face; |
b8009dd1 | 314 | |
c118dd06 | 315 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
316 | |
317 | /* Bit patterns for the mouse cursor. */ | |
318 | ||
319 | short MouseCursor[] = { | |
320 | 0x0000, 0x0008, 0x0018, 0x0038, | |
321 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
322 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
323 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
324 | ||
325 | short MouseMask[] = { | |
326 | 0x000c, 0x001c, 0x003c, 0x007c, | |
327 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
328 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
329 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
330 | ||
331 | static short grey_bits[] = { | |
332 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
333 | ||
334 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 335 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
336 | |
337 | /* From time to time we get info on an Emacs window, here. */ | |
338 | ||
339 | static WINDOWINFO_TYPE windowinfo; | |
340 | ||
341 | extern int errno; | |
342 | ||
dfeccd2d | 343 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
344 | extern int extra_keyboard_modifiers; |
345 | ||
dc6f92b8 JB |
346 | extern Display *XOpenDisplay (); |
347 | extern Window XCreateWindow (); | |
348 | ||
349 | extern Cursor XCreateCursor (); | |
350 | extern FONT_TYPE *XOpenFont (); | |
351 | ||
352 | static void flashback (); | |
c83febd7 | 353 | static void redraw_previous_char (); |
0cdd0c9f | 354 | static void redraw_following_char (); |
3afe33e7 | 355 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 | 356 | |
55836b73 | 357 | static int fast_find_position (); |
b8009dd1 RS |
358 | static void note_mouse_highlight (); |
359 | static void clear_mouse_face (); | |
360 | static void show_mouse_face (); | |
361 | ||
dc6f92b8 JB |
362 | #ifndef HAVE_X11 |
363 | static void dumpqueue (); | |
c118dd06 | 364 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
365 | |
366 | void dumpborder (); | |
4746118a JB |
367 | static int XTcursor_to (); |
368 | static int XTclear_end_of_line (); | |
16bd92ea JB |
369 | |
370 | \f | |
f451eb13 JB |
371 | /* Starting and ending updates. |
372 | ||
373 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
374 | of a frame update. We record in `updating_frame' the identity |
375 | of the frame being updated, so that the XT... functions do not | |
376 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 377 | should never be called except during an update, the only exceptions |
c83febd7 | 378 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
379 | |
380 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
381 | ||
382 | static | |
f676886a JB |
383 | XTupdate_begin (f) |
384 | struct frame *f; | |
dc6f92b8 JB |
385 | { |
386 | int mask; | |
387 | ||
f676886a | 388 | if (f == 0) |
dc6f92b8 JB |
389 | abort (); |
390 | ||
f676886a | 391 | flexlines = f->height; |
dc6f92b8 JB |
392 | highlight = 0; |
393 | ||
dc6f92b8 | 394 | BLOCK_INPUT; |
b8009dd1 RS |
395 | |
396 | if (f == mouse_face_mouse_frame) | |
397 | { | |
514e4681 | 398 | /* Don't do highlighting for mouse motion during the update. */ |
b8009dd1 RS |
399 | mouse_face_defer = 1; |
400 | if (!NILP (mouse_face_window)) | |
514e4681 RS |
401 | { |
402 | int firstline, lastline, i; | |
403 | struct window *w = XWINDOW (mouse_face_window); | |
404 | ||
405 | /* Find the first, and the last+1, lines affected by redisplay. */ | |
406 | for (firstline = 0; firstline < f->height; firstline++) | |
407 | if (FRAME_DESIRED_GLYPHS (f)->enable[firstline]) | |
408 | break; | |
409 | ||
410 | lastline = f->height; | |
411 | for (i = f->height - 1; i >= 0; i--) | |
412 | { | |
413 | if (FRAME_DESIRED_GLYPHS (f)->enable[i]) | |
414 | break; | |
415 | else | |
416 | lastline = i; | |
417 | } | |
418 | ||
419 | /* Can we tell that this update does not affect the window | |
420 | where the mouse highlight is? If so, no need to turn off. */ | |
421 | if (! (firstline > (XFASTINT (w->top) + window_internal_height (w)) | |
422 | || lastline < XFASTINT (w->top))) | |
423 | /* Otherwise turn off the mouse highlight now. */ | |
424 | clear_mouse_face (); | |
425 | } | |
b8009dd1 | 426 | } |
dc6f92b8 JB |
427 | #ifndef HAVE_X11 |
428 | dumpqueue (); | |
c118dd06 | 429 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
430 | UNBLOCK_INPUT; |
431 | } | |
432 | ||
f451eb13 | 433 | #ifndef HAVE_X11 |
dc6f92b8 | 434 | static void x_do_pending_expose (); |
f451eb13 | 435 | #endif |
dc6f92b8 JB |
436 | |
437 | static | |
f676886a JB |
438 | XTupdate_end (f) |
439 | struct frame *f; | |
dc6f92b8 JB |
440 | { |
441 | int mask; | |
442 | ||
dc6f92b8 JB |
443 | BLOCK_INPUT; |
444 | #ifndef HAVE_X11 | |
445 | dumpqueue (); | |
dc6f92b8 | 446 | x_do_pending_expose (); |
f451eb13 | 447 | #endif /* HAVE_X11 */ |
dc6f92b8 | 448 | |
f676886a | 449 | x_display_cursor (f, 1); |
dc6f92b8 | 450 | |
b8009dd1 RS |
451 | if (f == mouse_face_mouse_frame) |
452 | mouse_face_defer = 0; | |
453 | #if 0 | |
454 | /* This fails in the case of having updated only the echo area | |
455 | if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS | |
456 | has no relation to the current contents, and its charstarts | |
457 | have no relation to the contents of the window-buffer. | |
458 | I don't know a clean way to check | |
459 | for that case. window_end_valid isn't set up yet. */ | |
460 | if (f == mouse_face_mouse_frame) | |
461 | note_mouse_highlight (f, mouse_face_mouse_x, mouse_face_mouse_y); | |
462 | #endif | |
463 | ||
dc6f92b8 JB |
464 | XFlushQueue (); |
465 | UNBLOCK_INPUT; | |
466 | } | |
b8009dd1 | 467 | |
514e4681 | 468 | /* This is called after a redisplay on frame F. */ |
b8009dd1 RS |
469 | |
470 | static | |
471 | XTframe_up_to_date (f) | |
472 | FRAME_PTR f; | |
473 | { | |
514e4681 RS |
474 | if (mouse_face_deferred_gc || f == mouse_face_mouse_frame) |
475 | { | |
476 | note_mouse_highlight (mouse_face_mouse_frame, | |
477 | mouse_face_mouse_x, mouse_face_mouse_y); | |
478 | mouse_face_deferred_gc = 0; | |
479 | } | |
b8009dd1 | 480 | } |
dc6f92b8 JB |
481 | \f |
482 | /* External interface to control of standout mode. | |
483 | Call this when about to modify line at position VPOS | |
484 | and not change whether it is highlighted. */ | |
485 | ||
486 | XTreassert_line_highlight (new, vpos) | |
487 | int new, vpos; | |
488 | { | |
489 | highlight = new; | |
490 | } | |
491 | ||
492 | /* Call this when about to modify line at position VPOS | |
493 | and change whether it is highlighted. */ | |
494 | ||
495 | static | |
496 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
497 | int new_highlight, vpos, first_unused_hpos; | |
498 | { | |
499 | highlight = new_highlight; | |
500 | XTcursor_to (vpos, 0); | |
f676886a | 501 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
502 | } |
503 | ||
504 | /* This is used when starting Emacs and when restarting after suspend. | |
505 | When starting Emacs, no X window is mapped. And nothing must be done | |
506 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
507 | ||
508 | static | |
509 | XTset_terminal_modes () | |
510 | { | |
511 | } | |
512 | ||
513 | /* This is called when exiting or suspending Emacs. | |
514 | Exiting will make the X-windows go away, and suspending | |
515 | requires no action. */ | |
516 | ||
517 | static | |
518 | XTreset_terminal_modes () | |
519 | { | |
f676886a | 520 | /* XTclear_frame (); */ |
dc6f92b8 JB |
521 | } |
522 | \f | |
f451eb13 JB |
523 | /* Set the nominal cursor position of the frame. |
524 | This is where display update commands will take effect. | |
dc6f92b8 JB |
525 | This does not affect the place where the cursor-box is displayed. */ |
526 | ||
4746118a | 527 | static int |
dc6f92b8 JB |
528 | XTcursor_to (row, col) |
529 | register int row, col; | |
530 | { | |
531 | int mask; | |
532 | int orow = row; | |
533 | ||
534 | curs_x = col; | |
535 | curs_y = row; | |
536 | ||
f676886a | 537 | if (updating_frame == 0) |
dc6f92b8 JB |
538 | { |
539 | BLOCK_INPUT; | |
f676886a | 540 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
541 | XFlushQueue (); |
542 | UNBLOCK_INPUT; | |
543 | } | |
544 | } | |
545 | \f | |
546 | /* Display a sequence of N glyphs found at GP. | |
547 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
b8009dd1 RS |
548 | HL is 1 if this text is highlighted, 2 if the cursor is on it, |
549 | 3 if should appear in its mouse-face. | |
0cdd0c9f RS |
550 | JUST_FOREGROUND if 1 means draw only the foreground; |
551 | don't alter the background. | |
dc6f92b8 | 552 | |
07e34cb0 | 553 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 554 | |
07e34cb0 JB |
555 | Since the display generation code is responsible for calling |
556 | compute_char_face and compute_glyph_face on everything it puts in | |
557 | the display structure, we can assume that the face code on each | |
28f72798 | 558 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
559 | to which we can actually apply intern_face. |
560 | Call this function with input blocked. */ | |
dc6f92b8 | 561 | |
07e34cb0 JB |
562 | #if 1 |
563 | /* This is the multi-face code. */ | |
dc6f92b8 | 564 | |
dc6f92b8 | 565 | static void |
0cdd0c9f | 566 | dumpglyphs (f, left, top, gp, n, hl, just_foreground) |
f676886a | 567 | struct frame *f; |
dc6f92b8 JB |
568 | int left, top; |
569 | register GLYPH *gp; /* Points to first GLYPH. */ | |
570 | register int n; /* Number of glyphs to display. */ | |
571 | int hl; | |
0cdd0c9f | 572 | int just_foreground; |
dc6f92b8 | 573 | { |
07e34cb0 JB |
574 | /* Holds characters to be displayed. */ |
575 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
576 | register char *cp; /* Steps through buf[]. */ |
577 | register int tlen = GLYPH_TABLE_LENGTH; | |
578 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 579 | Window window = FRAME_X_WINDOW (f); |
0cdd0c9f | 580 | int orig_left = left; |
dc6f92b8 | 581 | |
07e34cb0 | 582 | while (n > 0) |
dc6f92b8 JB |
583 | { |
584 | /* Get the face-code of the next GLYPH. */ | |
585 | int cf, len; | |
586 | int g = *gp; | |
587 | ||
07e34cb0 | 588 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 589 | cf = FAST_GLYPH_FACE (g); |
dc6f92b8 JB |
590 | |
591 | /* Find the run of consecutive glyphs with the same face-code. | |
592 | Extract their character codes into BUF. */ | |
593 | cp = buf; | |
594 | while (n > 0) | |
595 | { | |
596 | g = *gp; | |
07e34cb0 | 597 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
6f63ba79 | 598 | if (FAST_GLYPH_FACE (g) != cf) |
dc6f92b8 JB |
599 | break; |
600 | ||
6f63ba79 | 601 | *cp++ = FAST_GLYPH_CHAR (g); |
dc6f92b8 JB |
602 | --n; |
603 | ++gp; | |
604 | } | |
605 | ||
606 | /* LEN gets the length of the run. */ | |
607 | len = cp - buf; | |
608 | ||
609 | /* Now output this run of chars, with the font and pixel values | |
610 | determined by the face code CF. */ | |
07e34cb0 JB |
611 | { |
612 | struct face *face = FRAME_DEFAULT_FACE (f); | |
613 | FONT_TYPE *font = FACE_FONT (face); | |
614 | GC gc = FACE_GC (face); | |
b73b6aaf | 615 | int gc_temporary = 0; |
07e34cb0 | 616 | |
b8009dd1 RS |
617 | /* HL = 3 means use a mouse face previously chosen. */ |
618 | if (hl == 3) | |
619 | cf = mouse_face_face_id; | |
620 | ||
b73b6aaf RS |
621 | /* First look at the face of the text itself. */ |
622 | if (cf != 0) | |
07e34cb0 | 623 | { |
a07d4bc5 RS |
624 | /* It's possible for the display table to specify |
625 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
626 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
627 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 628 | cf = 0; |
07e34cb0 JB |
629 | |
630 | if (cf == 1) | |
631 | face = FRAME_MODE_LINE_FACE (f); | |
632 | else | |
28f72798 | 633 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
634 | font = FACE_FONT (face); |
635 | gc = FACE_GC (face); | |
636 | } | |
4a4dc352 JB |
637 | |
638 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
639 | else if (hl == 0) |
640 | ; | |
641 | else if (hl == 1) | |
642 | { | |
643 | face = FRAME_MODE_LINE_FACE (f); | |
644 | font = FACE_FONT (face); | |
645 | gc = FACE_GC (face); | |
b73b6aaf RS |
646 | } |
647 | ||
648 | #define FACE_DEFAULT (~0) | |
649 | ||
650 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 651 | if (hl == 2) |
b73b6aaf | 652 | { |
dc05a16b | 653 | if (!face->font |
b5cf7a0e JB |
654 | || (int) face->font == FACE_DEFAULT) |
655 | { | |
656 | gc = f->display.x->cursor_gc; | |
657 | } | |
658 | /* Cursor on non-default face: must merge. */ | |
659 | else | |
660 | { | |
661 | XGCValues xgcv; | |
662 | unsigned long mask; | |
663 | ||
664 | xgcv.background = f->display.x->cursor_pixel; | |
df5a440b RS |
665 | if (face == FRAME_DEFAULT_FACE (f)) |
666 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
667 | else | |
da893f1f | 668 | xgcv.foreground = face->background; |
df5a440b RS |
669 | /* If the glyph would be invisible, |
670 | try a different foreground. */ | |
671 | if (xgcv.foreground == xgcv.background) | |
da893f1f | 672 | xgcv.foreground = face->foreground; |
df5a440b RS |
673 | if (xgcv.foreground == xgcv.background) |
674 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
675 | if (xgcv.foreground == xgcv.background) | |
676 | xgcv.foreground = face->foreground; | |
677 | /* Make sure the cursor is distinct from text in this face. */ | |
678 | if (xgcv.background == face->background | |
679 | && xgcv.foreground == face->foreground) | |
680 | { | |
681 | xgcv.background = face->foreground; | |
682 | xgcv.foreground = face->background; | |
683 | } | |
b5cf7a0e JB |
684 | xgcv.font = face->font->fid; |
685 | xgcv.graphics_exposures = 0; | |
686 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
687 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
688 | mask, &xgcv); | |
b73b6aaf | 689 | #if 0 |
b5cf7a0e JB |
690 | if (face->stipple && face->stipple != FACE_DEFAULT) |
691 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 692 | #endif |
b5cf7a0e JB |
693 | gc_temporary = 1; |
694 | } | |
07e34cb0 | 695 | } |
07e34cb0 | 696 | |
b5cf7a0e JB |
697 | if ((int) font == FACE_DEFAULT) |
698 | font = f->display.x->font; | |
699 | ||
0cdd0c9f RS |
700 | if (just_foreground) |
701 | XDrawString (x_current_display, window, gc, | |
702 | left, top + FONT_BASE (font), buf, len); | |
703 | else | |
704 | { | |
705 | XDrawImageString (x_current_display, window, gc, | |
706 | left, top + FONT_BASE (font), buf, len); | |
707 | /* Clear the rest of the line's height. */ | |
708 | if (f->display.x->line_height != FONT_HEIGHT (font)) | |
709 | XClearArea (x_current_display, window, left, | |
710 | top + FONT_HEIGHT (font), | |
711 | FONT_WIDTH (font) * len, | |
712 | /* This is how many pixels of height | |
713 | we have to clear. */ | |
714 | f->display.x->line_height - FONT_HEIGHT (font), | |
715 | False); | |
716 | } | |
717 | ||
718 | #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS, | |
719 | which often is not up to date yet. */ | |
720 | if (!just_foreground) | |
721 | { | |
722 | if (left == orig_left) | |
723 | redraw_previous_char (f, PIXEL_TO_CHAR_COL (f, left), | |
724 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
725 | if (n == 0) | |
726 | redraw_following_char (f, PIXEL_TO_CHAR_COL (f, left + len * FONT_WIDTH (font)), | |
727 | PIXEL_TO_CHAR_ROW (f, top), hl == 1); | |
728 | } | |
729 | #endif | |
07e34cb0 | 730 | |
b73b6aaf RS |
731 | if (gc_temporary) |
732 | XFreeGC (x_current_display, gc); | |
733 | ||
07e34cb0 JB |
734 | /* We should probably check for XA_UNDERLINE_POSITION and |
735 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
736 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 737 | { |
4a4dc352 | 738 | int underline_position = 1; |
07e34cb0 | 739 | |
4a4dc352 JB |
740 | if (font->descent <= underline_position) |
741 | underline_position = font->descent - 1; | |
07e34cb0 JB |
742 | |
743 | if (face->underline) | |
744 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
745 | FACE_GC (face), | |
746 | left, (top | |
747 | + FONT_BASE (font) | |
748 | + underline_position), | |
749 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 750 | } |
07e34cb0 JB |
751 | |
752 | left += len * FONT_WIDTH (font); | |
753 | } | |
dc6f92b8 JB |
754 | } |
755 | } | |
07e34cb0 JB |
756 | #endif /* 1 */ |
757 | ||
758 | #if 0 | |
759 | /* This is the old single-face code. */ | |
760 | ||
761 | static void | |
762 | dumpglyphs (f, left, top, gp, n, hl, font) | |
763 | struct frame *f; | |
764 | int left, top; | |
765 | register GLYPH *gp; /* Points to first GLYPH. */ | |
766 | register int n; /* Number of glyphs to display. */ | |
767 | int hl; | |
768 | FONT_TYPE *font; | |
769 | { | |
770 | register int len; | |
771 | Window window = FRAME_X_WINDOW (f); | |
772 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
773 | : (hl ? f->display.x->reverse_gc | |
774 | : f->display.x->normal_gc)); | |
775 | ||
776 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
777 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
778 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
779 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
780 | XDrawImageString (x_current_display, window, drawing_gc, | |
781 | left, top + FONT_BASE (font), (char *) gp, n); | |
782 | else | |
783 | /* What size of glyph ARE you using? And does X have a function to | |
784 | draw them? */ | |
785 | abort (); | |
786 | } | |
787 | #endif | |
dc6f92b8 | 788 | \f |
f451eb13 JB |
789 | /* Output some text at the nominal frame cursor position. |
790 | Advance the cursor over the text. | |
dc6f92b8 JB |
791 | Output LEN glyphs at START. |
792 | ||
793 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
794 | controls the pixel values used for foreground and background. */ | |
795 | ||
796 | static | |
797 | XTwrite_glyphs (start, len) | |
798 | register GLYPH *start; | |
799 | int len; | |
800 | { | |
801 | register int temp_length; | |
802 | int mask; | |
f676886a | 803 | struct frame *f; |
dc6f92b8 JB |
804 | |
805 | BLOCK_INPUT; | |
806 | ||
f676886a JB |
807 | f = updating_frame; |
808 | if (f == 0) | |
dc6f92b8 | 809 | { |
f676886a | 810 | f = selected_frame; |
dc6f92b8 | 811 | /* If not within an update, |
f676886a JB |
812 | output at the frame's visible cursor. */ |
813 | curs_x = f->cursor_x; | |
814 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
815 | } |
816 | ||
f676886a | 817 | dumpglyphs (f, |
12ba150f JB |
818 | CHAR_TO_PIXEL_COL (f, curs_x), |
819 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
0cdd0c9f | 820 | start, len, highlight, 0); |
90e65f07 JB |
821 | |
822 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
823 | if (curs_y == f->phys_cursor_y |
824 | && curs_x <= f->phys_cursor_x | |
825 | && curs_x + len > f->phys_cursor_x) | |
826 | f->phys_cursor_x = -1; | |
dc6f92b8 | 827 | |
f676886a | 828 | if (updating_frame == 0) |
dc6f92b8 | 829 | { |
f676886a JB |
830 | f->cursor_x += len; |
831 | x_display_cursor (f, 1); | |
832 | f->cursor_x -= len; | |
dc6f92b8 JB |
833 | } |
834 | else | |
835 | curs_x += len; | |
836 | ||
837 | UNBLOCK_INPUT; | |
838 | } | |
839 | \f | |
f451eb13 JB |
840 | /* Clear to the end of the line. |
841 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
842 | to column FIRST_UNUSED (exclusive). The idea is that everything |
843 | from FIRST_UNUSED onward is already erased. */ | |
844 | ||
4746118a | 845 | static int |
dc6f92b8 JB |
846 | XTclear_end_of_line (first_unused) |
847 | register int first_unused; | |
848 | { | |
f676886a | 849 | struct frame *f = updating_frame; |
dc6f92b8 JB |
850 | int mask; |
851 | ||
f676886a | 852 | if (f == 0) |
dc6f92b8 JB |
853 | abort (); |
854 | ||
f676886a | 855 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
856 | return; |
857 | if (first_unused <= 0) | |
858 | return; | |
859 | ||
f676886a JB |
860 | if (first_unused >= f->width) |
861 | first_unused = f->width; | |
dc6f92b8 JB |
862 | |
863 | BLOCK_INPUT; | |
864 | ||
90e65f07 | 865 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
866 | if (curs_y == f->phys_cursor_y |
867 | && curs_x <= f->phys_cursor_x | |
868 | && f->phys_cursor_x < first_unused) | |
869 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
870 | |
871 | #ifdef HAVE_X11 | |
c118dd06 | 872 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
873 | CHAR_TO_PIXEL_COL (f, curs_x), |
874 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 875 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 876 | f->display.x->line_height, False); |
c83febd7 | 877 | #if 0 |
0cdd0c9f | 878 | redraw_previous_char (f, curs_x, curs_y, highlight); |
c83febd7 | 879 | #endif |
c118dd06 JB |
880 | #else /* ! defined (HAVE_X11) */ |
881 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
882 | CHAR_TO_PIXEL_COL (f, curs_x), |
883 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 884 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
a27f9f86 | 885 | f->display.x->line_height, |
f676886a | 886 | f->display.x->background_pixel); |
c118dd06 | 887 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
888 | |
889 | UNBLOCK_INPUT; | |
890 | } | |
891 | ||
0cdd0c9f RS |
892 | static |
893 | XTclear_frame () | |
894 | { | |
895 | int mask; | |
896 | struct frame *f = updating_frame; | |
897 | ||
898 | if (f == 0) | |
899 | f = selected_frame; | |
900 | ||
901 | f->phys_cursor_x = -1; /* Cursor not visible. */ | |
902 | curs_x = 0; /* Nominal cursor position is top left. */ | |
903 | curs_y = 0; | |
904 | ||
905 | BLOCK_INPUT; | |
906 | ||
907 | XClear (FRAME_X_WINDOW (f)); | |
908 | ||
909 | /* We have to clear the scroll bars, too. If we have changed | |
910 | colors or something like that, then they should be notified. */ | |
911 | x_scroll_bar_clear (f); | |
912 | ||
913 | #ifndef HAVE_X11 | |
914 | dumpborder (f, 0); | |
915 | #endif /* HAVE_X11 */ | |
916 | ||
917 | XFlushQueue (); | |
918 | UNBLOCK_INPUT; | |
919 | } | |
920 | \f | |
921 | #if 0 | |
922 | /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't | |
923 | always contain the right glyphs to use. | |
924 | ||
925 | It also needs to be changed to look at the details of the font and | |
926 | see whether there is really overlap, and do nothing when there is | |
927 | not. This can use font_char_overlap_left and font_char_overlap_right, | |
928 | but just how to use them is not clear. */ | |
929 | ||
c83febd7 RS |
930 | /* Erase the character (if any) at the position just before X, Y in frame F, |
931 | then redraw it and the character before it. | |
932 | This is necessary when we erase starting at X, | |
f94397b5 KH |
933 | in case the character after X overlaps into the one before X. |
934 | Call this function with input blocked. */ | |
c83febd7 RS |
935 | |
936 | static void | |
0cdd0c9f | 937 | redraw_previous_char (f, x, y, highlight_flag) |
c83febd7 RS |
938 | FRAME_PTR f; |
939 | int x, y; | |
0cdd0c9f | 940 | int highlight_flag; |
c83febd7 RS |
941 | { |
942 | /* Erase the character before the new ones, in case | |
943 | what was here before overlaps it. | |
944 | Reoutput that character, and the previous character | |
945 | (in case the previous character overlaps it). */ | |
946 | if (x > 0) | |
947 | { | |
948 | int start_x = x - 2; | |
949 | if (start_x < 0) | |
950 | start_x = 0; | |
951 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
952 | CHAR_TO_PIXEL_COL (f, x - 1), | |
953 | CHAR_TO_PIXEL_ROW (f, y), | |
954 | FONT_WIDTH (f->display.x->font), | |
a27f9f86 | 955 | f->display.x->line_height, False); |
c83febd7 RS |
956 | |
957 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
958 | CHAR_TO_PIXEL_ROW (f, y), | |
959 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
0cdd0c9f | 960 | x - start_x, highlight_flag, 1); |
c83febd7 RS |
961 | } |
962 | } | |
963 | ||
0cdd0c9f RS |
964 | /* Erase the character (if any) at the position X, Y in frame F, |
965 | then redraw it and the character after it. | |
966 | This is necessary when we erase endng at X, | |
967 | in case the character after X overlaps into the one before X. | |
968 | Call this function with input blocked. */ | |
969 | ||
970 | static void | |
971 | redraw_following_char (f, x, y, highlight_flag) | |
972 | FRAME_PTR f; | |
973 | int x, y; | |
974 | int highlight_flag; | |
dc6f92b8 | 975 | { |
0cdd0c9f RS |
976 | int limit = FRAME_CURRENT_GLYPHS (f)->used[y]; |
977 | /* Erase the character after the new ones, in case | |
978 | what was here before overlaps it. | |
979 | Reoutput that character, and the following character | |
980 | (in case the following character overlaps it). */ | |
981 | if (x < limit | |
982 | && FRAME_CURRENT_GLYPHS (f)->glyphs[y][x] != SPACEGLYPH) | |
983 | { | |
984 | int end_x = x + 2; | |
985 | if (end_x > limit) | |
986 | end_x = limit; | |
987 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
988 | CHAR_TO_PIXEL_COL (f, x), | |
989 | CHAR_TO_PIXEL_ROW (f, y), | |
990 | FONT_WIDTH (f->display.x->font), | |
991 | f->display.x->line_height, False); | |
dc6f92b8 | 992 | |
0cdd0c9f RS |
993 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, x), |
994 | CHAR_TO_PIXEL_ROW (f, y), | |
995 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][x], | |
996 | end_x - x, highlight_flag, 1); | |
997 | } | |
998 | } | |
999 | #endif /* 0 */ | |
1000 | \f | |
1001 | #if 0 /* Not in use yet */ | |
dc6f92b8 | 1002 | |
0cdd0c9f | 1003 | /* Return 1 if character C in font F extends past its left edge. */ |
dbc4e1c1 | 1004 | |
0cdd0c9f RS |
1005 | static int |
1006 | font_char_overlap_left (font, c) | |
1007 | XFontStruct *font; | |
1008 | int c; | |
1009 | { | |
1010 | XCharStruct *s; | |
dbc4e1c1 | 1011 | |
0cdd0c9f RS |
1012 | /* Find the bounding-box info for C. */ |
1013 | if (font->per_char == 0) | |
1014 | s = &font->max_bounds; | |
1015 | else | |
1016 | { | |
1017 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1018 | int row, within; | |
1019 | ||
1020 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1021 | row = c >> 8; | |
1022 | within = c & 0177; | |
1023 | if (!(within >= font->min_char_or_byte2 | |
1024 | && within <= font->max_char_or_byte2 | |
1025 | && row >= font->min_byte1 | |
1026 | && row <= font->max_byte1)) | |
1027 | { | |
1028 | /* If char is out of range, try the font's default char instead. */ | |
1029 | c = font->default_char; | |
1030 | row = c >> (INTBITS - 8); | |
1031 | within = c & 0177; | |
1032 | } | |
1033 | if (!(within >= font->min_char_or_byte2 | |
1034 | && within <= font->max_char_or_byte2 | |
1035 | && row >= font->min_byte1 | |
1036 | && row <= font->max_byte1)) | |
1037 | /* Still out of range means this char does not overlap. */ | |
1038 | return 0; | |
1039 | else | |
1040 | /* We found the info for this char. */ | |
1041 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1042 | + row * rowlen); | |
1043 | } | |
dbc4e1c1 | 1044 | |
0cdd0c9f RS |
1045 | return (s && s->lbearing < 0); |
1046 | } | |
dbc4e1c1 | 1047 | |
0cdd0c9f RS |
1048 | /* Return 1 if character C in font F extends past its right edge. */ |
1049 | ||
1050 | static int | |
1051 | font_char_overlap_right (font, c) | |
1052 | XFontStruct *font; | |
1053 | int c; | |
1054 | { | |
1055 | XCharStruct *s; | |
1056 | ||
1057 | /* Find the bounding-box info for C. */ | |
1058 | if (font->per_char == 0) | |
1059 | s = &font->max_bounds; | |
1060 | else | |
1061 | { | |
1062 | int rowlen = font->max_char_or_byte2 - font->min_char_or_byte2 + 1; | |
1063 | int row, within; | |
1064 | ||
1065 | /* Decode char into row number (byte 1) and code within row (byte 2). */ | |
1066 | row = c >> 8; | |
1067 | within = c & 0177; | |
1068 | if (!(within >= font->min_char_or_byte2 | |
1069 | && within <= font->max_char_or_byte2 | |
1070 | && row >= font->min_byte1 | |
1071 | && row <= font->max_byte1)) | |
1072 | { | |
1073 | /* If char is out of range, try the font's default char instead. */ | |
1074 | c = font->default_char; | |
1075 | row = c >> (INTBITS - 8); | |
1076 | within = c & 0177; | |
1077 | } | |
1078 | if (!(within >= font->min_char_or_byte2 | |
1079 | && within <= font->max_char_or_byte2 | |
1080 | && row >= font->min_byte1 | |
1081 | && row <= font->max_byte1)) | |
1082 | /* Still out of range means this char does not overlap. */ | |
1083 | return 0; | |
1084 | else | |
1085 | /* We found the info for this char. */ | |
1086 | s = (font->per_char + (within - font->min_char_or_byte2) | |
1087 | + row * rowlen); | |
1088 | } | |
1089 | ||
1090 | return (s && s->rbearing >= s->width); | |
dc6f92b8 | 1091 | } |
0cdd0c9f | 1092 | #endif /* 0 */ |
dc6f92b8 | 1093 | \f |
dbc4e1c1 JB |
1094 | /* Invert the middle quarter of the frame for .15 sec. */ |
1095 | ||
1096 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 1097 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
1098 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
1099 | ||
1100 | /* Subtract the `struct timeval' values X and Y, | |
1101 | storing the result in RESULT. | |
1102 | Return 1 if the difference is negative, otherwise 0. */ | |
1103 | ||
1104 | static int | |
1105 | timeval_subtract (result, x, y) | |
1106 | struct timeval *result, x, y; | |
1107 | { | |
1108 | /* Perform the carry for the later subtraction by updating y. | |
1109 | This is safer because on some systems | |
1110 | the tv_sec member is unsigned. */ | |
1111 | if (x.tv_usec < y.tv_usec) | |
1112 | { | |
1113 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
1114 | y.tv_usec -= 1000000 * nsec; | |
1115 | y.tv_sec += nsec; | |
1116 | } | |
1117 | if (x.tv_usec - y.tv_usec > 1000000) | |
1118 | { | |
1119 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
1120 | y.tv_usec += 1000000 * nsec; | |
1121 | y.tv_sec -= nsec; | |
1122 | } | |
1123 | ||
1124 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
1125 | result->tv_sec = x.tv_sec - y.tv_sec; | |
1126 | result->tv_usec = x.tv_usec - y.tv_usec; | |
1127 | ||
1128 | /* Return indication of whether the result should be considered negative. */ | |
1129 | return x.tv_sec < y.tv_sec; | |
1130 | } | |
dc6f92b8 | 1131 | |
f676886a JB |
1132 | XTflash (f) |
1133 | struct frame *f; | |
dc6f92b8 | 1134 | { |
dbc4e1c1 | 1135 | BLOCK_INPUT; |
dc6f92b8 | 1136 | |
dbc4e1c1 JB |
1137 | { |
1138 | GC gc; | |
dc6f92b8 | 1139 | |
dbc4e1c1 JB |
1140 | /* Create a GC that will use the GXxor function to flip foreground pixels |
1141 | into background pixels. */ | |
1142 | { | |
1143 | XGCValues values; | |
dc6f92b8 | 1144 | |
dbc4e1c1 JB |
1145 | values.function = GXxor; |
1146 | values.foreground = (f->display.x->foreground_pixel | |
1147 | ^ f->display.x->background_pixel); | |
1148 | ||
1149 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
1150 | GCFunction | GCForeground, &values); | |
1151 | } | |
dc6f92b8 | 1152 | |
dbc4e1c1 JB |
1153 | { |
1154 | int width = PIXEL_WIDTH (f); | |
1155 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 1156 | |
dbc4e1c1 JB |
1157 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
1158 | width/4, height/4, width/2, height/2); | |
1159 | XFlush (x_current_display); | |
dc6f92b8 | 1160 | |
dbc4e1c1 JB |
1161 | { |
1162 | struct timeval wakeup, now; | |
dc6f92b8 | 1163 | |
66c30ea1 | 1164 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 1165 | |
dbc4e1c1 JB |
1166 | /* Compute time to wait until, propagating carry from usecs. */ |
1167 | wakeup.tv_usec += 150000; | |
1168 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
1169 | wakeup.tv_usec %= 1000000; | |
1170 | ||
1171 | /* Keep waiting until past the time wakeup. */ | |
1172 | while (1) | |
1173 | { | |
1174 | struct timeval timeout; | |
1175 | ||
66c30ea1 | 1176 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
1177 | |
1178 | /* In effect, timeout = wakeup - timeout. | |
1179 | Break if result would be negative. */ | |
1180 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
1181 | break; | |
1182 | ||
1183 | /* Try to wait that long--but we might wake up sooner. */ | |
1184 | select (0, 0, 0, 0, &timeout); | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
1189 | width/4, height/4, width/2, height/2); | |
1190 | XFreeGC (x_current_display, gc); | |
1191 | XFlush (x_current_display); | |
dc6f92b8 | 1192 | } |
dbc4e1c1 JB |
1193 | } |
1194 | ||
1195 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
1196 | } |
1197 | ||
dbc4e1c1 JB |
1198 | #endif |
1199 | ||
1200 | ||
dc6f92b8 JB |
1201 | /* Make audible bell. */ |
1202 | ||
1203 | #ifdef HAVE_X11 | |
bc20ebbf | 1204 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 1205 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 1206 | #define XRINGBELL XFeep (0); |
c118dd06 | 1207 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1208 | |
1209 | XTring_bell () | |
1210 | { | |
5a6ef893 RS |
1211 | if (x_current_display == 0) |
1212 | return; | |
1213 | ||
dbc4e1c1 | 1214 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 1215 | if (visible_bell) |
f676886a | 1216 | XTflash (selected_frame); |
dc6f92b8 | 1217 | else |
dbc4e1c1 | 1218 | #endif |
dc6f92b8 JB |
1219 | { |
1220 | BLOCK_INPUT; | |
1221 | XRINGBELL; | |
1222 | XFlushQueue (); | |
1223 | UNBLOCK_INPUT; | |
1224 | } | |
1225 | } | |
1226 | \f | |
f451eb13 JB |
1227 | /* Insert and delete character. |
1228 | These are not supposed to be used because we are supposed to turn | |
1229 | off the feature of using them. */ | |
dc6f92b8 JB |
1230 | |
1231 | static | |
1232 | XTinsert_glyphs (start, len) | |
1233 | register char *start; | |
1234 | register int len; | |
1235 | { | |
1236 | abort (); | |
1237 | } | |
1238 | ||
1239 | static | |
1240 | XTdelete_glyphs (n) | |
1241 | register int n; | |
1242 | { | |
1243 | abort (); | |
1244 | } | |
1245 | \f | |
1246 | /* Specify how many text lines, from the top of the window, | |
1247 | should be affected by insert-lines and delete-lines operations. | |
1248 | This, and those operations, are used only within an update | |
1249 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
1250 | ||
1251 | static | |
1252 | XTset_terminal_window (n) | |
1253 | register int n; | |
1254 | { | |
f676886a | 1255 | if (updating_frame == 0) |
dc6f92b8 JB |
1256 | abort (); |
1257 | ||
f676886a JB |
1258 | if ((n <= 0) || (n > updating_frame->height)) |
1259 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
1260 | else |
1261 | flexlines = n; | |
1262 | } | |
1263 | \f | |
f451eb13 JB |
1264 | /* Perform an insert-lines operation. |
1265 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
1266 | |
1267 | static void | |
1268 | stufflines (n) | |
1269 | register int n; | |
1270 | { | |
1271 | register int topregion, bottomregion; | |
1272 | register int length, newtop, mask; | |
f676886a JB |
1273 | register struct frame *f = updating_frame; |
1274 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1275 | |
1276 | if (curs_y >= flexlines) | |
1277 | return; | |
1278 | ||
1279 | topregion = curs_y; | |
1280 | bottomregion = flexlines - (n + 1); | |
1281 | newtop = topregion + n; | |
1282 | length = (bottomregion - topregion) + 1; | |
1283 | ||
1284 | #ifndef HAVE_X11 | |
1285 | dumpqueue (); | |
c118dd06 | 1286 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1287 | |
1288 | if ((length > 0) && (newtop <= flexlines)) | |
1289 | { | |
1290 | #ifdef HAVE_X11 | |
c118dd06 JB |
1291 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1292 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1293 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1294 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1295 | length * f->display.x->line_height, intborder, |
12ba150f | 1296 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1297 | #else /* ! defined (HAVE_X11) */ |
1298 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1299 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1300 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a | 1301 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1302 | length * f->display.x->line_height); |
dc6f92b8 JB |
1303 | /* Now we must process any ExposeRegion events that occur |
1304 | if the area being copied from is obscured. | |
1305 | We can't let it wait because further i/d operations | |
1306 | may want to copy this area to another area. */ | |
1307 | x_read_exposes (); | |
c118dd06 | 1308 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1309 | } |
1310 | ||
1311 | newtop = min (newtop, (flexlines - 1)); | |
1312 | length = newtop - topregion; | |
1313 | if (length > 0) | |
1314 | { | |
1315 | #ifdef HAVE_X11 | |
c118dd06 | 1316 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1317 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1318 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1319 | n * f->display.x->line_height, False); |
c118dd06 JB |
1320 | #else /* ! defined (HAVE_X11) */ |
1321 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1322 | intborder, |
12ba150f | 1323 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a | 1324 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1325 | n * f->display.x->line_height, |
f676886a | 1326 | f->display.x->background_pixel); |
c118dd06 | 1327 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1328 | } |
1329 | } | |
1330 | ||
1331 | /* Perform a delete-lines operation, deleting N lines | |
1332 | at a vertical position curs_y. */ | |
1333 | ||
1334 | static void | |
1335 | scraplines (n) | |
1336 | register int n; | |
1337 | { | |
1338 | int mask; | |
f676886a JB |
1339 | register struct frame *f = updating_frame; |
1340 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1341 | |
1342 | if (curs_y >= flexlines) | |
1343 | return; | |
1344 | ||
1345 | #ifndef HAVE_X11 | |
1346 | dumpqueue (); | |
c118dd06 | 1347 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1348 | |
1349 | if ((curs_y + n) >= flexlines) | |
1350 | { | |
1351 | if (flexlines >= (curs_y + 1)) | |
1352 | { | |
1353 | #ifdef HAVE_X11 | |
c118dd06 | 1354 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1355 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1356 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1357 | (flexlines - curs_y) * f->display.x->line_height, False); |
c118dd06 JB |
1358 | #else /* ! defined (HAVE_X11) */ |
1359 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1360 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a | 1361 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1362 | (flexlines - curs_y) * f->display.x->line_height, |
f676886a | 1363 | f->display.x->background_pixel); |
c118dd06 | 1364 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1365 | } |
1366 | } | |
1367 | else | |
1368 | { | |
1369 | #ifdef HAVE_X11 | |
c118dd06 JB |
1370 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1371 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1372 | intborder, |
12ba150f | 1373 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a | 1374 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1375 | (flexlines - (curs_y + n)) * f->display.x->line_height, |
12ba150f | 1376 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1377 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1378 | intborder, |
12ba150f | 1379 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1380 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1381 | n * f->display.x->line_height, False); |
c118dd06 JB |
1382 | #else /* ! defined (HAVE_X11) */ |
1383 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1384 | intborder, |
12ba150f JB |
1385 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1386 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a | 1387 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1388 | (flexlines - (curs_y + n)) * f->display.x->line_height); |
dc6f92b8 JB |
1389 | /* Now we must process any ExposeRegion events that occur |
1390 | if the area being copied from is obscured. | |
1391 | We can't let it wait because further i/d operations | |
1392 | may want to copy this area to another area. */ | |
1393 | x_read_exposes (); | |
c118dd06 | 1394 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1395 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a | 1396 | f->width * FONT_WIDTH (f->display.x->font), |
a27f9f86 | 1397 | n * f->display.x->line_height, f->display.x->background_pixel); |
c118dd06 | 1398 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1399 | } |
1400 | } | |
1401 | ||
1402 | /* Perform an insert-lines or delete-lines operation, | |
1403 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1404 | ||
1405 | XTins_del_lines (vpos, n) | |
1406 | int vpos, n; | |
1407 | { | |
f676886a | 1408 | if (updating_frame == 0) |
dc6f92b8 JB |
1409 | abort (); |
1410 | ||
90e65f07 | 1411 | /* Hide the cursor. */ |
f676886a | 1412 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1413 | |
1414 | XTcursor_to (vpos, 0); | |
1415 | ||
1416 | BLOCK_INPUT; | |
1417 | if (n >= 0) | |
1418 | stufflines (n); | |
1419 | else | |
1420 | scraplines (-n); | |
1421 | XFlushQueue (); | |
1422 | UNBLOCK_INPUT; | |
1423 | } | |
1424 | \f | |
f451eb13 | 1425 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1426 | static void clear_cursor (); |
1427 | ||
f676886a JB |
1428 | /* Output into a rectangle of an X-window (for frame F) |
1429 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1430 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1431 | ROWS and COLS are the size of the rectangle. |
1432 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1433 | |
1434 | static void | |
f676886a JB |
1435 | dumprectangle (f, left, top, cols, rows) |
1436 | struct frame *f; | |
dc6f92b8 JB |
1437 | register int left, top, cols, rows; |
1438 | { | |
f676886a | 1439 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1440 | int cursor_cleared = 0; |
1441 | int bottom, right; | |
1442 | register int y; | |
1443 | ||
f676886a | 1444 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1445 | return; |
1446 | ||
dc6f92b8 JB |
1447 | /* Express rectangle as four edges, instead of position-and-size. */ |
1448 | bottom = top + rows; | |
1449 | right = left + cols; | |
1450 | ||
1451 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1452 | { |
1453 | int intborder = f->display.x->internal_border_width; | |
1454 | ||
1455 | /* If the rectangle includes any of the internal border area, | |
1456 | redisplay the border emphasis. */ | |
1457 | if (top < intborder || left < intborder | |
a27f9f86 RS |
1458 | || bottom > intborder + f->height * f->display.x->line_height |
1459 | || right > intborder + f->width * f->display.x->line_height) | |
12ba150f JB |
1460 | dumpborder (f, 0); |
1461 | } | |
b8009dd1 | 1462 | #endif /* not HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1463 | |
1464 | /* Convert rectangle edges in pixels to edges in chars. | |
1465 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1466 | top = PIXEL_TO_CHAR_ROW (f, top); |
1467 | left = PIXEL_TO_CHAR_COL (f, left); | |
a27f9f86 | 1468 | bottom += (f->display.x->line_height - 1); |
f676886a | 1469 | right += (FONT_WIDTH (f->display.x->font) - 1); |
12ba150f JB |
1470 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1471 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1472 | |
1473 | /* Clip the rectangle to what can be visible. */ | |
1474 | if (left < 0) | |
1475 | left = 0; | |
1476 | if (top < 0) | |
1477 | top = 0; | |
f676886a JB |
1478 | if (right > f->width) |
1479 | right = f->width; | |
1480 | if (bottom > f->height) | |
1481 | bottom = f->height; | |
dc6f92b8 JB |
1482 | |
1483 | /* Get size in chars of the rectangle. */ | |
1484 | cols = right - left; | |
1485 | rows = bottom - top; | |
1486 | ||
1487 | /* If rectangle has zero area, return. */ | |
1488 | if (rows <= 0) return; | |
1489 | if (cols <= 0) return; | |
1490 | ||
1491 | /* Turn off the cursor if it is in the rectangle. | |
1492 | We will turn it back on afterward. */ | |
f676886a JB |
1493 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1494 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1495 | { |
f676886a | 1496 | clear_cursor (f); |
dc6f92b8 JB |
1497 | cursor_cleared = 1; |
1498 | } | |
1499 | ||
1500 | /* Display the text in the rectangle, one text line at a time. */ | |
1501 | ||
1502 | for (y = top; y < bottom; y++) | |
1503 | { | |
f676886a | 1504 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1505 | |
f676886a | 1506 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1507 | continue; |
1508 | ||
f676886a | 1509 | dumpglyphs (f, |
12ba150f JB |
1510 | CHAR_TO_PIXEL_COL (f, left), |
1511 | CHAR_TO_PIXEL_ROW (f, y), | |
1512 | line, min (cols, active_frame->used[y] - left), | |
0cdd0c9f | 1513 | active_frame->highlight[y], 0); |
dc6f92b8 JB |
1514 | } |
1515 | ||
1516 | /* Turn the cursor on if we turned it off. */ | |
1517 | ||
1518 | if (cursor_cleared) | |
f676886a | 1519 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1520 | } |
1521 | ||
1522 | #ifndef HAVE_X11 | |
1523 | /* Process all queued ExposeRegion events. */ | |
1524 | ||
1525 | static void | |
1526 | dumpqueue () | |
1527 | { | |
1528 | register int i; | |
1529 | XExposeRegionEvent r; | |
1530 | ||
1531 | while (dequeue_event (&r, &x_expose_queue)) | |
1532 | { | |
f676886a JB |
1533 | struct frame *f = x_window_to_frame (r.window); |
1534 | if (f->display.x->icon_desc == r.window) | |
1535 | refreshicon (f); | |
dc6f92b8 | 1536 | else |
f676886a | 1537 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1538 | } |
1539 | XFlushQueue (); | |
1540 | } | |
c118dd06 | 1541 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1542 | \f |
f451eb13 | 1543 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1544 | Redraws the cursor if necessary on any frame that |
1545 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1546 | |
f451eb13 | 1547 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1548 | static void |
1549 | x_do_pending_expose () | |
1550 | { | |
1551 | int mask; | |
f676886a JB |
1552 | struct frame *f; |
1553 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1554 | |
1555 | if (expose_all_windows) | |
1556 | { | |
1557 | expose_all_windows = 0; | |
f676886a | 1558 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1559 | { |
1560 | register int temp_width, temp_height; | |
1561 | int intborder; | |
1562 | ||
f676886a | 1563 | frame = XCONS (tail)->car; |
ab648270 | 1564 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1565 | continue; |
f676886a | 1566 | f = XFRAME (frame); |
b1c884c3 | 1567 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1568 | continue; |
3a88c238 | 1569 | if (!f->async_visible) |
dc6f92b8 | 1570 | continue; |
f676886a | 1571 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1572 | continue; |
1573 | ||
f676886a | 1574 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1575 | |
f676886a | 1576 | clear_cursor (f); |
c118dd06 | 1577 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1578 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1579 | - f->display.x->v_scroll_bar_width) |
f676886a | 1580 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1581 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1582 | - f->display.x->h_scroll_bar_height) |
a27f9f86 | 1583 | / f->display.x->line_height); |
f676886a | 1584 | if (temp_width != f->width || temp_height != f->height) |
dc6f92b8 | 1585 | { |
f676886a | 1586 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1587 | max (1, temp_width), 0, 1); |
ab648270 | 1588 | x_resize_scroll_bars (f); |
dc6f92b8 | 1589 | } |
f676886a JB |
1590 | f->display.x->left_pos = windowinfo.x; |
1591 | f->display.x->top_pos = windowinfo.y; | |
1592 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1593 | #if 0 |
f676886a | 1594 | dumpborder (f, 0); |
c118dd06 | 1595 | #endif /* ! 0 */ |
f676886a JB |
1596 | f->display.x->needs_exposure = 0; |
1597 | if (updating_frame != f) | |
1598 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1599 | XFlushQueue (); |
1600 | } | |
1601 | } | |
1602 | else | |
1603 | /* Handle any individual-rectangle expose events queued | |
1604 | for various windows. */ | |
1605 | #ifdef HAVE_X11 | |
1606 | ; | |
c118dd06 | 1607 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1608 | dumpqueue (); |
c118dd06 | 1609 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1610 | } |
f451eb13 | 1611 | #endif |
dc6f92b8 JB |
1612 | |
1613 | #ifdef HAVE_X11 | |
1614 | static void | |
f676886a JB |
1615 | frame_highlight (frame) |
1616 | struct frame *frame; | |
dc6f92b8 | 1617 | { |
b3e1e05c JB |
1618 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1619 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1620 | and border pixel are window attributes which are "private to the | |
1621 | client", so we can always change it to whatever we want. */ | |
1622 | BLOCK_INPUT; | |
1623 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1624 | frame->display.x->border_pixel); | |
1625 | UNBLOCK_INPUT; | |
f676886a | 1626 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1627 | } |
1628 | ||
1629 | static void | |
f676886a JB |
1630 | frame_unhighlight (frame) |
1631 | struct frame *frame; | |
dc6f92b8 | 1632 | { |
b3e1e05c JB |
1633 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1634 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1635 | and border pixel are window attributes which are "private to the | |
1636 | client", so we can always change it to whatever we want. */ | |
1637 | BLOCK_INPUT; | |
1638 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1639 | frame->display.x->border_tile); | |
1640 | UNBLOCK_INPUT; | |
f676886a | 1641 | x_display_cursor (frame, 1); |
dc6f92b8 | 1642 | } |
c118dd06 | 1643 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1644 | /* Dump the border-emphasis of frame F. |
1645 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1646 | just within the border, occupying a portion of the internal border. |
f676886a | 1647 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1648 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1649 | ||
f676886a | 1650 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1651 | In that case, we also turn the cursor off and on again |
1652 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1653 | ||
1654 | static void | |
f676886a JB |
1655 | dumpborder (f, always) |
1656 | struct frame *f; | |
dc6f92b8 JB |
1657 | int always; |
1658 | { | |
f676886a JB |
1659 | int thickness = f->display.x->internal_border_width / 2; |
1660 | int width = PIXEL_WIDTH (f); | |
1661 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1662 | int pixel; |
1663 | ||
f676886a | 1664 | if (f != selected_frame) |
dc6f92b8 JB |
1665 | { |
1666 | if (!always) | |
1667 | return; | |
1668 | ||
f676886a | 1669 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1670 | } |
1671 | else | |
1672 | { | |
f676886a | 1673 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1674 | } |
1675 | ||
c118dd06 JB |
1676 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1677 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1678 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1679 | thickness, pixel); |
c118dd06 | 1680 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1681 | height, pixel); |
1682 | ||
1683 | if (always) | |
f676886a | 1684 | x_display_cursor (f, 1); |
dc6f92b8 | 1685 | } |
c118dd06 | 1686 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1687 | |
f676886a | 1688 | static void XTframe_rehighlight (); |
6d4238f3 | 1689 | |
f676886a JB |
1690 | /* The focus has changed. Update the frames as necessary to reflect |
1691 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1692 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1693 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1694 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1695 | |
6d4238f3 | 1696 | static void |
f676886a JB |
1697 | x_new_focus_frame (frame) |
1698 | struct frame *frame; | |
dc6f92b8 | 1699 | { |
f676886a | 1700 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1701 | int events_enqueued = 0; |
1702 | ||
f676886a | 1703 | if (frame != x_focus_frame) |
dc6f92b8 | 1704 | { |
6d4238f3 | 1705 | /* Set this before calling other routines, so that they see |
f676886a JB |
1706 | the correct value of x_focus_frame. */ |
1707 | x_focus_frame = frame; | |
6d4238f3 JB |
1708 | |
1709 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1710 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1711 | |
1712 | #if 0 | |
f676886a JB |
1713 | selected_frame = frame; |
1714 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1715 | Lisp_Frame, selected_frame); | |
1716 | Fselect_window (selected_frame->selected_window); | |
1717 | choose_minibuf_frame (); | |
c118dd06 | 1718 | #endif /* ! 0 */ |
dc6f92b8 | 1719 | |
f676886a | 1720 | if (x_focus_frame && x_focus_frame->auto_raise) |
0134a210 RS |
1721 | pending_autoraise_frame = x_focus_frame; |
1722 | else | |
1723 | pending_autoraise_frame = 0; | |
6d4238f3 | 1724 | } |
dc6f92b8 | 1725 | |
f676886a | 1726 | XTframe_rehighlight (); |
6d4238f3 JB |
1727 | } |
1728 | ||
1729 | ||
f451eb13 JB |
1730 | /* The focus has changed, or we have redirected a frame's focus to |
1731 | another frame (this happens when a frame uses a surrogate | |
1732 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1733 | static void |
f676886a | 1734 | XTframe_rehighlight () |
6d4238f3 | 1735 | { |
f676886a | 1736 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1737 | |
f676886a | 1738 | if (x_focus_frame) |
6d4238f3 | 1739 | { |
f451eb13 | 1740 | x_highlight_frame = |
ab648270 | 1741 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1742 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1743 | : x_focus_frame); | |
1744 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1745 | { | |
1746 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1747 | x_highlight_frame = x_focus_frame; | |
1748 | } | |
dc6f92b8 | 1749 | } |
6d4238f3 | 1750 | else |
f676886a | 1751 | x_highlight_frame = 0; |
dc6f92b8 | 1752 | |
f676886a | 1753 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1754 | { |
1755 | if (old_highlight) | |
f676886a JB |
1756 | frame_unhighlight (old_highlight); |
1757 | if (x_highlight_frame) | |
1758 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1759 | } |
dc6f92b8 JB |
1760 | } |
1761 | \f | |
e4571a43 | 1762 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1763 | |
28430d3c JB |
1764 | /* Which modifier keys are on which modifier bits? |
1765 | ||
1766 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1767 | keys were held down when the key was pressed. The interpretation |
1768 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1769 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1770 | is the meta bit. | |
1771 | ||
1772 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1773 | It may have more than one bit set, if more than one modifier bit | |
1774 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1775 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1776 | ||
1777 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1778 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1779 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1780 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1781 | arrangement, the lock modifier should shift the character if | |
1782 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1783 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1784 | |
a3c44b14 RS |
1785 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1786 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1787 | ||
28430d3c JB |
1788 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1789 | static void | |
1790 | x_find_modifier_meanings () | |
1791 | { | |
f689eb05 | 1792 | int min_code, max_code; |
28430d3c JB |
1793 | KeySym *syms; |
1794 | int syms_per_code; | |
1795 | XModifierKeymap *mods; | |
1796 | ||
1797 | x_meta_mod_mask = 0; | |
11edeb03 | 1798 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1799 | x_alt_mod_mask = 0; |
1800 | x_super_mod_mask = 0; | |
1801 | x_hyper_mod_mask = 0; | |
28430d3c | 1802 | |
9658a521 | 1803 | #ifdef HAVE_X11R4 |
28430d3c | 1804 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1805 | #else |
1806 | min_code = x_current_display->min_keycode; | |
1807 | max_code = x_current_display->max_keycode; | |
1808 | #endif | |
1809 | ||
28430d3c JB |
1810 | syms = XGetKeyboardMapping (x_current_display, |
1811 | min_code, max_code - min_code + 1, | |
1812 | &syms_per_code); | |
1813 | mods = XGetModifierMapping (x_current_display); | |
1814 | ||
11edeb03 JB |
1815 | /* Scan the modifier table to see which modifier bits the Meta and |
1816 | Alt keysyms are on. */ | |
28430d3c JB |
1817 | { |
1818 | int row, col; /* The row and column in the modifier table. */ | |
1819 | ||
1820 | for (row = 3; row < 8; row++) | |
1821 | for (col = 0; col < mods->max_keypermod; col++) | |
1822 | { | |
1823 | KeyCode code = | |
1824 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1825 | ||
af92970c KH |
1826 | /* Zeroes are used for filler. Skip them. */ |
1827 | if (code == 0) | |
1828 | continue; | |
1829 | ||
28430d3c JB |
1830 | /* Are any of this keycode's keysyms a meta key? */ |
1831 | { | |
1832 | int code_col; | |
1833 | ||
1834 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1835 | { | |
f689eb05 | 1836 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1837 | |
f689eb05 | 1838 | switch (sym) |
28430d3c | 1839 | { |
f689eb05 JB |
1840 | case XK_Meta_L: |
1841 | case XK_Meta_R: | |
28430d3c JB |
1842 | x_meta_mod_mask |= (1 << row); |
1843 | break; | |
f689eb05 JB |
1844 | |
1845 | case XK_Alt_L: | |
1846 | case XK_Alt_R: | |
a3c44b14 RS |
1847 | x_alt_mod_mask |= (1 << row); |
1848 | break; | |
1849 | ||
1850 | case XK_Hyper_L: | |
1851 | case XK_Hyper_R: | |
1852 | x_hyper_mod_mask |= (1 << row); | |
1853 | break; | |
1854 | ||
1855 | case XK_Super_L: | |
1856 | case XK_Super_R: | |
1857 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1858 | break; |
11edeb03 JB |
1859 | |
1860 | case XK_Shift_Lock: | |
1861 | /* Ignore this if it's not on the lock modifier. */ | |
1862 | if ((1 << row) == LockMask) | |
1863 | x_shift_lock_mask = LockMask; | |
1864 | break; | |
28430d3c JB |
1865 | } |
1866 | } | |
1867 | } | |
1868 | } | |
1869 | } | |
1870 | ||
f689eb05 JB |
1871 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1872 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1873 | { |
1874 | x_meta_mod_mask = x_alt_mod_mask; | |
1875 | x_alt_mod_mask = 0; | |
1876 | } | |
f689eb05 | 1877 | |
148c4b70 RS |
1878 | /* If some keys are both alt and meta, |
1879 | make them just meta, not alt. */ | |
1880 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1881 | { | |
1882 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1883 | } | |
1884 | ||
28430d3c | 1885 | XFree ((char *) syms); |
f689eb05 | 1886 | XFreeModifiermap (mods); |
28430d3c JB |
1887 | } |
1888 | ||
dfeccd2d JB |
1889 | /* Convert between the modifier bits X uses and the modifier bits |
1890 | Emacs uses. */ | |
7c5283e4 | 1891 | static unsigned int |
dfeccd2d | 1892 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1893 | unsigned int state; |
1894 | { | |
11edeb03 JB |
1895 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1896 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1897 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1898 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1899 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1900 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1901 | } |
1902 | ||
dfeccd2d JB |
1903 | static unsigned int |
1904 | x_emacs_to_x_modifiers (state) | |
1905 | unsigned int state; | |
1906 | { | |
1907 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1908 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1909 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1910 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1911 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1912 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1913 | } | |
1914 | ||
e4571a43 JB |
1915 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1916 | return as a function key. If you add a keysym to this, you should | |
1917 | make sure that the tables make_lispy_event uses contain a suitable | |
1918 | name for it. */ | |
1919 | static int | |
1920 | x_is_vendor_fkey (sym) | |
1921 | KeySym sym; | |
1922 | { | |
1923 | return 0 | |
1924 | #ifdef DXK_Remove | |
1925 | || (sym == DXK_Remove) | |
1926 | #endif | |
1927 | ; | |
1928 | } | |
1929 | ||
1930 | \f | |
1931 | /* Mouse clicks and mouse movement. Rah. */ | |
1932 | #ifdef HAVE_X11 | |
1933 | ||
1934 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1935 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1936 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1937 | If NOCLIP is nonzero, do not force the value into range. */ | |
1938 | ||
c8dba240 | 1939 | void |
69388238 | 1940 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1941 | FRAME_PTR f; |
69388238 | 1942 | register int pix_x, pix_y; |
e4571a43 JB |
1943 | register int *x, *y; |
1944 | XRectangle *bounds; | |
69388238 | 1945 | int noclip; |
e4571a43 | 1946 | { |
69388238 RS |
1947 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1948 | even for negative values. */ | |
1949 | if (pix_x < 0) | |
1950 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1951 | if (pix_y < 0) | |
a27f9f86 | 1952 | pix_y -= (f)->display.x->line_height - 1; |
69388238 | 1953 | |
e4571a43 JB |
1954 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1955 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1956 | ||
1957 | if (bounds) | |
1958 | { | |
1959 | bounds->width = FONT_WIDTH (f->display.x->font); | |
a27f9f86 | 1960 | bounds->height = f->display.x->line_height; |
e4571a43 JB |
1961 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); |
1962 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1963 | } | |
1964 | ||
69388238 RS |
1965 | if (!noclip) |
1966 | { | |
1967 | if (pix_x < 0) | |
1968 | pix_x = 0; | |
1969 | else if (pix_x > f->width) | |
1970 | pix_x = f->width; | |
1971 | ||
1972 | if (pix_y < 0) | |
1973 | pix_y = 0; | |
1974 | else if (pix_y > f->height) | |
1975 | pix_y = f->height; | |
1976 | } | |
e4571a43 JB |
1977 | |
1978 | *x = pix_x; | |
1979 | *y = pix_y; | |
1980 | } | |
1981 | ||
2b5c9e71 RS |
1982 | void |
1983 | glyph_to_pixel_coords (f, x, y, pix_x, pix_y) | |
1984 | FRAME_PTR f; | |
1985 | register int x, y; | |
1986 | register int *pix_x, *pix_y; | |
1987 | { | |
1988 | *pix_x = CHAR_TO_PIXEL_COL (f, x); | |
1989 | *pix_y = CHAR_TO_PIXEL_ROW (f, y); | |
1990 | } | |
1991 | ||
dc6f92b8 JB |
1992 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1993 | ||
1994 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1995 | the mouse. */ |
dc6f92b8 JB |
1996 | |
1997 | static Lisp_Object | |
f451eb13 | 1998 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1999 | struct input_event *result; |
2000 | XButtonEvent *event; | |
f676886a | 2001 | struct frame *f; |
dc6f92b8 | 2002 | { |
f451eb13 | 2003 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 2004 | otherwise. */ |
f451eb13 | 2005 | result->kind = mouse_click; |
69388238 | 2006 | result->code = event->button - Button1; |
1113d9db | 2007 | result->timestamp = event->time; |
dfeccd2d | 2008 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
2009 | | (event->type == ButtonRelease |
2010 | ? up_modifier | |
2011 | : down_modifier)); | |
dc6f92b8 JB |
2012 | |
2013 | /* Notice if the mouse is still grabbed. */ | |
2014 | if (event->type == ButtonPress) | |
2015 | { | |
2016 | if (! x_mouse_grabbed) | |
2017 | Vmouse_depressed = Qt; | |
90e65f07 | 2018 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 2019 | last_mouse_frame = f; |
dc6f92b8 JB |
2020 | } |
2021 | else if (event->type == ButtonRelease) | |
2022 | { | |
90e65f07 | 2023 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
2024 | if (!x_mouse_grabbed) |
2025 | Vmouse_depressed = Qnil; | |
2026 | } | |
2027 | ||
f451eb13 JB |
2028 | { |
2029 | int row, column; | |
dc6f92b8 | 2030 | |
2b5c9e71 | 2031 | #if 0 |
69388238 | 2032 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
2033 | XFASTINT (result->x) = column; |
2034 | XFASTINT (result->y) = row; | |
2b5c9e71 | 2035 | #endif |
09fe4c31 RS |
2036 | XSET (result->x, Lisp_Int, event->x); |
2037 | XSET (result->y, Lisp_Int, event->y); | |
12ba150f | 2038 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 2039 | } |
dc6f92b8 | 2040 | } |
b849c413 RS |
2041 | |
2042 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ | |
2043 | ||
2044 | static Lisp_Object | |
2045 | construct_menu_click (result, event, f) | |
2046 | struct input_event *result; | |
2047 | XButtonEvent *event; | |
2048 | struct frame *f; | |
2049 | { | |
2050 | /* Make the event type no_event; we'll change that when we decide | |
2051 | otherwise. */ | |
2052 | result->kind = mouse_click; | |
2053 | XSET (result->code, Lisp_Int, event->button - Button1); | |
2054 | result->timestamp = event->time; | |
2055 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
2056 | | (event->type == ButtonRelease | |
2057 | ? up_modifier | |
2058 | : down_modifier)); | |
2059 | ||
09fe4c31 RS |
2060 | XSET (result->x, Lisp_Int, event->x); |
2061 | XSET (result->y, Lisp_Int, -1); | |
c8dba240 | 2062 | XSET (result->frame_or_window, Lisp_Frame, f); |
b849c413 | 2063 | } |
69388238 | 2064 | \f |
90e65f07 JB |
2065 | /* Function to report a mouse movement to the mainstream Emacs code. |
2066 | The input handler calls this. | |
2067 | ||
2068 | We have received a mouse movement event, which is given in *event. | |
2069 | If the mouse is over a different glyph than it was last time, tell | |
2070 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
2071 | another motion event, so we can check again the next time it moves. */ | |
b8009dd1 | 2072 | |
90e65f07 | 2073 | static void |
12ba150f | 2074 | note_mouse_movement (frame, event) |
f676886a | 2075 | FRAME_PTR frame; |
90e65f07 JB |
2076 | XMotionEvent *event; |
2077 | ||
2078 | { | |
e5d77022 JB |
2079 | last_mouse_movement_time = event->time; |
2080 | ||
90e65f07 JB |
2081 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
2082 | if (event->x < last_mouse_glyph.x | |
2083 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
2084 | || event->y < last_mouse_glyph.y | |
2085 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
2086 | { |
2087 | mouse_moved = 1; | |
ab648270 | 2088 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
2089 | |
2090 | note_mouse_highlight (frame, event->x, event->y); | |
2091 | ||
2092 | /* Ask for another mouse motion event. */ | |
2093 | { | |
2094 | int dummy; | |
2095 | ||
2096 | XQueryPointer (event->display, event->window, | |
2097 | (Window *) &dummy, (Window *) &dummy, | |
2098 | &dummy, &dummy, &dummy, &dummy, | |
2099 | (unsigned int *) &dummy); | |
2100 | } | |
12ba150f | 2101 | } |
90e65f07 JB |
2102 | else |
2103 | { | |
2104 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
2105 | event the next time the mouse moves and we can see if it's | |
2106 | *still* on the same glyph. */ | |
2107 | int dummy; | |
2108 | ||
2109 | XQueryPointer (event->display, event->window, | |
2110 | (Window *) &dummy, (Window *) &dummy, | |
2111 | &dummy, &dummy, &dummy, &dummy, | |
2112 | (unsigned int *) &dummy); | |
2113 | } | |
2114 | } | |
2115 | ||
bf1c0ba1 RS |
2116 | /* This is used for debugging, to turn off note_mouse_highlight. */ |
2117 | static int disable_mouse_highlight; | |
2118 | ||
b8009dd1 RS |
2119 | /* Take proper action when the mouse has moved to position X, Y on frame F |
2120 | as regards highlighting characters that have mouse-face properties. | |
2121 | Also dehighlighting chars where the mouse was before. */ | |
2122 | ||
2123 | static void | |
2124 | note_mouse_highlight (f, x, y) | |
2125 | FRAME_PTR f; | |
2126 | { | |
2127 | int row, column, portion; | |
2128 | XRectangle new_glyph; | |
2129 | Lisp_Object window; | |
2130 | struct window *w; | |
2131 | ||
bf1c0ba1 RS |
2132 | if (disable_mouse_highlight) |
2133 | return; | |
2134 | ||
b8009dd1 RS |
2135 | mouse_face_mouse_x = x; |
2136 | mouse_face_mouse_y = y; | |
2137 | mouse_face_mouse_frame = f; | |
2138 | ||
2139 | if (mouse_face_defer) | |
2140 | return; | |
2141 | ||
514e4681 RS |
2142 | if (gc_in_progress) |
2143 | { | |
2144 | mouse_face_deferred_gc = 1; | |
2145 | return; | |
2146 | } | |
2147 | ||
b8009dd1 RS |
2148 | /* Find out which glyph the mouse is on. */ |
2149 | pixel_to_glyph_coords (f, x, y, &column, &row, | |
2150 | &new_glyph, x_mouse_grabbed); | |
2151 | ||
2152 | /* Which window is that in? */ | |
2153 | window = window_from_coordinates (f, column, row, &portion); | |
2154 | w = XWINDOW (window); | |
2155 | ||
2156 | /* If we were displaying active text in another window, clear that. */ | |
2157 | if (! EQ (window, mouse_face_window)) | |
2158 | clear_mouse_face (); | |
2159 | ||
0cdd0c9f RS |
2160 | /* Are we in a window whose display is up to date? |
2161 | And verify the buffer's text has not changed. */ | |
b8009dd1 | 2162 | if (WINDOWP (window) && portion == 0 |
0cdd0c9f RS |
2163 | && EQ (w->window_end_valid, w->buffer) |
2164 | && w->last_modified == BUF_MODIFF (XBUFFER (w->buffer))) | |
b8009dd1 RS |
2165 | { |
2166 | int *ptr = FRAME_CURRENT_GLYPHS (f)->charstarts[row]; | |
2167 | int i, pos; | |
2168 | ||
2169 | /* Find which buffer position the mouse corresponds to. */ | |
2170 | for (i = column; i >= 0; i--) | |
2171 | if (ptr[i] > 0) | |
2172 | break; | |
2173 | pos = ptr[i]; | |
2174 | /* Is it outside the displayed active region (if any)? */ | |
55836b73 KH |
2175 | if (pos <= 0) |
2176 | clear_mouse_face (); | |
2177 | else if (! (EQ (window, mouse_face_window) | |
3b506386 KH |
2178 | && row >= mouse_face_beg_row |
2179 | && row <= mouse_face_end_row | |
2180 | && (row > mouse_face_beg_row || column >= mouse_face_beg_col) | |
2181 | && (row < mouse_face_end_row || column < mouse_face_end_col))) | |
b8009dd1 RS |
2182 | { |
2183 | Lisp_Object mouse_face, overlay, position; | |
2184 | Lisp_Object *overlay_vec; | |
2185 | int len, noverlays, ignor1; | |
f8bdb8e6 | 2186 | struct buffer *obuf; |
e444162e | 2187 | int obegv, ozv; |
f8bdb8e6 | 2188 | |
e444162e RS |
2189 | /* If we get an out-of-range value, return now; avoid an error. */ |
2190 | if (pos > BUF_Z (XBUFFER (w->buffer))) | |
f8bdb8e6 | 2191 | return; |
b8009dd1 | 2192 | |
09fe4c31 RS |
2193 | /* Make the window's buffer temporarily current for |
2194 | overlays_at and compute_char_face. */ | |
f8bdb8e6 | 2195 | obuf = current_buffer; |
09fe4c31 | 2196 | current_buffer = XBUFFER (w->buffer); |
e444162e RS |
2197 | obegv = BEGV; |
2198 | ozv = ZV; | |
2199 | BEGV = BEG; | |
2200 | ZV = Z; | |
09fe4c31 | 2201 | |
b8009dd1 RS |
2202 | /* Yes. Clear the display of the old active region, if any. */ |
2203 | clear_mouse_face (); | |
2204 | ||
2205 | /* Is this char mouse-active? */ | |
2206 | XSET (position, Lisp_Int, pos); | |
2207 | ||
2208 | len = 10; | |
2209 | overlay_vec = (Lisp_Object *) xmalloc (len * sizeof (Lisp_Object)); | |
2210 | ||
2211 | /* Put all the overlays we want in a vector in overlay_vec. | |
2212 | Store the length in len. */ | |
2213 | noverlays = overlays_at (XINT (pos), 1, &overlay_vec, &len, &ignor1); | |
09fe4c31 | 2214 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
b8009dd1 RS |
2215 | |
2216 | /* Find the highest priority overlay that has a mouse-face prop. */ | |
2217 | overlay = Qnil; | |
2218 | for (i = 0; i < noverlays; i++) | |
2219 | { | |
2220 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2221 | if (!NILP (mouse_face)) | |
2222 | { | |
2223 | overlay = overlay_vec[i]; | |
2224 | break; | |
2225 | } | |
2226 | } | |
2227 | free (overlay_vec); | |
2228 | /* If no overlay applies, get a text property. */ | |
2229 | if (NILP (overlay)) | |
2230 | mouse_face = Fget_text_property (position, Qmouse_face, w->buffer); | |
2231 | ||
2232 | /* Handle the overlay case. */ | |
2233 | if (! NILP (overlay)) | |
2234 | { | |
2235 | /* Find the range of text around this char that | |
2236 | should be active. */ | |
2237 | Lisp_Object before, after; | |
2238 | int ignore; | |
2239 | ||
2240 | before = Foverlay_start (overlay); | |
2241 | after = Foverlay_end (overlay); | |
2242 | /* Record this as the current active region. */ | |
3b506386 KH |
2243 | fast_find_position (window, before, |
2244 | &mouse_face_beg_col, &mouse_face_beg_row); | |
2245 | fast_find_position (window, after, | |
2246 | &mouse_face_end_col, &mouse_face_end_row); | |
b8009dd1 RS |
2247 | mouse_face_window = window; |
2248 | mouse_face_face_id = compute_char_face (f, w, pos, 0, 0, | |
2249 | &ignore, pos + 1, 1); | |
2250 | ||
2251 | /* Display it as active. */ | |
2252 | show_mouse_face (1); | |
2253 | } | |
2254 | /* Handle the text property case. */ | |
2255 | else if (! NILP (mouse_face)) | |
2256 | { | |
2257 | /* Find the range of text around this char that | |
2258 | should be active. */ | |
2259 | Lisp_Object before, after, beginning, end; | |
2260 | int ignore; | |
2261 | ||
2262 | beginning = Fmarker_position (w->start); | |
2263 | XSET (end, Lisp_Int, | |
09fe4c31 | 2264 | (BUF_Z (XBUFFER (w->buffer)) |
b8009dd1 RS |
2265 | - XFASTINT (w->window_end_pos))); |
2266 | before | |
2267 | = Fprevious_single_property_change (make_number (pos + 1), | |
2268 | Qmouse_face, | |
2269 | w->buffer, beginning); | |
2270 | after | |
2271 | = Fnext_single_property_change (position, Qmouse_face, | |
2272 | w->buffer, end); | |
2273 | /* Record this as the current active region. */ | |
3b506386 KH |
2274 | fast_find_position (window, before, |
2275 | &mouse_face_beg_col, &mouse_face_beg_row); | |
2276 | fast_find_position (window, after, | |
2277 | &mouse_face_end_col, &mouse_face_end_row); | |
b8009dd1 RS |
2278 | mouse_face_window = window; |
2279 | mouse_face_face_id | |
2280 | = compute_char_face (f, w, pos, 0, 0, | |
2281 | &ignore, pos + 1, 1); | |
2282 | ||
2283 | /* Display it as active. */ | |
2284 | show_mouse_face (1); | |
2285 | } | |
e444162e RS |
2286 | BEGV = obegv; |
2287 | ZV = ozv; | |
09fe4c31 | 2288 | current_buffer = obuf; |
b8009dd1 | 2289 | } |
b8009dd1 RS |
2290 | } |
2291 | } | |
2292 | \f | |
2293 | /* Find the row and column of position POS in window WINDOW. | |
2294 | Store them in *COLUMNP and *ROWP. | |
bf1c0ba1 RS |
2295 | This assumes display in WINDOW is up to date. |
2296 | If POS is above start of WINDOW, return coords | |
2297 | of start of first screen line. | |
2298 | If POS is after end of WINDOW, return coords of end of last screen line. */ | |
b8009dd1 RS |
2299 | |
2300 | static int | |
2301 | fast_find_position (window, pos, columnp, rowp) | |
2302 | Lisp_Object window; | |
2303 | int pos; | |
2304 | int *columnp, *rowp; | |
2305 | { | |
2306 | struct window *w = XWINDOW (window); | |
2307 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2308 | int i; | |
2309 | int row; | |
2310 | int left = w->left; | |
2311 | int top = w->top; | |
2312 | int height = XFASTINT (w->height) - ! MINI_WINDOW_P (w); | |
2313 | int width = window_internal_width (w); | |
2314 | int *charstarts; | |
bf1c0ba1 | 2315 | int lastcol; |
b8009dd1 RS |
2316 | |
2317 | for (i = 0; | |
2318 | i < height; | |
2319 | i++) | |
2320 | { | |
2321 | int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left]; | |
2322 | if (linestart > pos) | |
2323 | break; | |
2324 | if (linestart > 0) | |
2325 | row = i; | |
2326 | } | |
2327 | ||
2328 | charstarts = FRAME_CURRENT_GLYPHS (f)->charstarts[top + row]; | |
bf1c0ba1 | 2329 | lastcol = left; |
b8009dd1 | 2330 | for (i = 0; i < width; i++) |
bf1c0ba1 RS |
2331 | { |
2332 | if (charstarts[left + i] == pos) | |
2333 | { | |
2334 | *rowp = row + top; | |
2335 | *columnp = i + left; | |
2336 | return 1; | |
2337 | } | |
2338 | else if (charstarts[left + i] > pos) | |
2339 | lastcol = left + i; | |
2340 | } | |
b8009dd1 | 2341 | |
bf1c0ba1 RS |
2342 | *rowp = row + top; |
2343 | *columnp = lastcol; | |
b8009dd1 RS |
2344 | return 0; |
2345 | } | |
2346 | ||
2347 | /* Display the active region described by mouse_face_* | |
2348 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
2349 | ||
2350 | static void | |
2351 | show_mouse_face (hl) | |
2352 | int hl; | |
2353 | { | |
b8009dd1 RS |
2354 | struct window *w = XWINDOW (mouse_face_window); |
2355 | int width = window_internal_width (w); | |
2356 | FRAME_PTR f = XFRAME (WINDOW_FRAME (w)); | |
2357 | int i; | |
514e4681 RS |
2358 | int curs_x = f->phys_cursor_x; |
2359 | int curs_y = f->phys_cursor_y; | |
2360 | int cursor_off = 0; | |
b8009dd1 | 2361 | |
3b506386 | 2362 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) |
b8009dd1 | 2363 | { |
3b506386 KH |
2364 | int column = (i == mouse_face_beg_row ? mouse_face_beg_col : w->left); |
2365 | int endcolumn = (i == mouse_face_end_row ? mouse_face_end_col : w->left + width); | |
514e4681 RS |
2366 | endcolumn = min (endcolumn, FRAME_CURRENT_GLYPHS (f)->used[i] - w->left); |
2367 | ||
2368 | /* If the cursor's in the text we are about to rewrite, | |
2369 | turn the cursor off. */ | |
2370 | if (i == curs_y | |
3b506386 | 2371 | && curs_x >= mouse_face_beg_col - 1 && curs_x <= mouse_face_end_col) |
514e4681 RS |
2372 | { |
2373 | x_display_cursor (f, 0); | |
2374 | cursor_off = 1; | |
2375 | } | |
b8009dd1 RS |
2376 | |
2377 | dumpglyphs (f, | |
2378 | CHAR_TO_PIXEL_COL (f, column), | |
2379 | CHAR_TO_PIXEL_ROW (f, i), | |
2380 | FRAME_CURRENT_GLYPHS (f)->glyphs[i] + column, | |
2381 | endcolumn - column, | |
2382 | /* Highlight with mouse face if hl > 0. */ | |
0cdd0c9f | 2383 | hl > 0 ? 3 : 0, 0); |
b8009dd1 RS |
2384 | } |
2385 | ||
514e4681 RS |
2386 | /* If we turned the cursor off, turn it back on. */ |
2387 | if (cursor_off) | |
2388 | x_display_cursor (f, 1); | |
27ead1d5 FP |
2389 | |
2390 | /* Change the mouse cursor according to the value of HL. */ | |
2391 | if (hl > 0) | |
2392 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->cross_cursor); | |
2393 | else | |
2394 | XDefineCursor (XDISPLAY FRAME_X_WINDOW (f), f->display.x->text_cursor); | |
b8009dd1 RS |
2395 | } |
2396 | ||
2397 | /* Clear out the mouse-highlighted active region. | |
2398 | Redraw it unhighlighted first. */ | |
2399 | ||
2400 | static void | |
2401 | clear_mouse_face () | |
2402 | { | |
2403 | if (! NILP (mouse_face_window)) | |
2404 | show_mouse_face (0); | |
2405 | ||
3b506386 KH |
2406 | mouse_face_beg_row = mouse_face_beg_col = -1; |
2407 | mouse_face_end_row = mouse_face_end_col = -1; | |
b8009dd1 RS |
2408 | mouse_face_window = Qnil; |
2409 | } | |
2410 | \f | |
ab648270 JB |
2411 | static struct scroll_bar *x_window_to_scroll_bar (); |
2412 | static void x_scroll_bar_report_motion (); | |
12ba150f | 2413 | |
90e65f07 JB |
2414 | /* Return the current position of the mouse. |
2415 | ||
ab648270 JB |
2416 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
2417 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 2418 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 2419 | position on the scroll bar. |
12ba150f JB |
2420 | |
2421 | If the mouse movement started elsewhere, set *f to the frame the | |
2422 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
2423 | the mouse is over. | |
2424 | ||
2425 | Set *time to the server timestamp for the time at which the mouse | |
2426 | was at this position. | |
2427 | ||
a135645a RS |
2428 | Don't store anything if we don't have a valid set of values to report. |
2429 | ||
90e65f07 | 2430 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
2431 | movement. This also calls XQueryPointer, which will cause the |
2432 | server to give us another MotionNotify when the mouse moves | |
2433 | again. */ | |
90e65f07 JB |
2434 | |
2435 | static void | |
12ba150f | 2436 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 2437 | FRAME_PTR *f; |
12ba150f | 2438 | Lisp_Object *bar_window; |
ab648270 | 2439 | enum scroll_bar_part *part; |
90e65f07 | 2440 | Lisp_Object *x, *y; |
e5d77022 | 2441 | unsigned long *time; |
90e65f07 | 2442 | { |
a135645a RS |
2443 | FRAME_PTR f1; |
2444 | ||
90e65f07 JB |
2445 | BLOCK_INPUT; |
2446 | ||
ab648270 JB |
2447 | if (! NILP (last_mouse_scroll_bar)) |
2448 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
2449 | else |
2450 | { | |
12ba150f JB |
2451 | Window root; |
2452 | int root_x, root_y; | |
90e65f07 | 2453 | |
12ba150f JB |
2454 | Window dummy_window; |
2455 | int dummy; | |
2456 | ||
2457 | mouse_moved = 0; | |
ab648270 | 2458 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
2459 | |
2460 | /* Figure out which root window we're on. */ | |
2461 | XQueryPointer (x_current_display, | |
2462 | DefaultRootWindow (x_current_display), | |
2463 | ||
2464 | /* The root window which contains the pointer. */ | |
2465 | &root, | |
2466 | ||
2467 | /* Trash which we can't trust if the pointer is on | |
2468 | a different screen. */ | |
2469 | &dummy_window, | |
2470 | ||
2471 | /* The position on that root window. */ | |
2472 | &root_x, &root_y, | |
2473 | ||
2474 | /* More trash we can't trust. */ | |
2475 | &dummy, &dummy, | |
2476 | ||
2477 | /* Modifier keys and pointer buttons, about which | |
2478 | we don't care. */ | |
2479 | (unsigned int *) &dummy); | |
2480 | ||
2481 | /* Now we have a position on the root; find the innermost window | |
2482 | containing the pointer. */ | |
2483 | { | |
2484 | Window win, child; | |
2485 | int win_x, win_y; | |
2486 | int parent_x, parent_y; | |
2487 | ||
2488 | win = root; | |
69388238 | 2489 | |
06ef4a3f | 2490 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
12ba150f | 2491 | { |
69388238 RS |
2492 | /* If mouse was grabbed on a frame, give coords for that frame |
2493 | even if the mouse is now outside it. */ | |
12ba150f | 2494 | XTranslateCoordinates (x_current_display, |
69388238 | 2495 | |
12ba150f | 2496 | /* From-window, to-window. */ |
69388238 | 2497 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
2498 | |
2499 | /* From-position, to-position. */ | |
2500 | root_x, root_y, &win_x, &win_y, | |
2501 | ||
2502 | /* Child of win. */ | |
2503 | &child); | |
69388238 RS |
2504 | f1 = last_mouse_frame; |
2505 | } | |
2506 | else | |
2507 | { | |
2508 | while (1) | |
2509 | { | |
2510 | XTranslateCoordinates (x_current_display, | |
12ba150f | 2511 | |
69388238 RS |
2512 | /* From-window, to-window. */ |
2513 | root, win, | |
12ba150f | 2514 | |
69388238 RS |
2515 | /* From-position, to-position. */ |
2516 | root_x, root_y, &win_x, &win_y, | |
2517 | ||
2518 | /* Child of win. */ | |
2519 | &child); | |
2520 | ||
2521 | if (child == None) | |
2522 | break; | |
2523 | ||
2524 | win = child; | |
2525 | parent_x = win_x; | |
2526 | parent_y = win_y; | |
2527 | } | |
12ba150f | 2528 | |
69388238 RS |
2529 | /* Now we know that: |
2530 | win is the innermost window containing the pointer | |
2531 | (XTC says it has no child containing the pointer), | |
2532 | win_x and win_y are the pointer's position in it | |
2533 | (XTC did this the last time through), and | |
2534 | parent_x and parent_y are the pointer's position in win's parent. | |
2535 | (They are what win_x and win_y were when win was child. | |
2536 | If win is the root window, it has no parent, and | |
2537 | parent_{x,y} are invalid, but that's okay, because we'll | |
2538 | never use them in that case.) */ | |
2539 | ||
2540 | /* Is win one of our frames? */ | |
2b5c9e71 | 2541 | f1 = x_any_window_to_frame (win); |
69388238 | 2542 | } |
12ba150f | 2543 | |
ab648270 | 2544 | /* If not, is it one of our scroll bars? */ |
a135645a | 2545 | if (! f1) |
12ba150f | 2546 | { |
ab648270 | 2547 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
2548 | |
2549 | if (bar) | |
2550 | { | |
a135645a | 2551 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
2552 | win_x = parent_x; |
2553 | win_y = parent_y; | |
2554 | } | |
2555 | } | |
90e65f07 | 2556 | |
a135645a | 2557 | if (f1) |
12ba150f | 2558 | { |
2b5c9e71 RS |
2559 | int ignore1, ignore2; |
2560 | ||
2561 | /* Ok, we found a frame. Store all the values. */ | |
a135645a | 2562 | |
2b5c9e71 | 2563 | pixel_to_glyph_coords (f1, win_x, win_y, &ignore1, &ignore2, |
69388238 | 2564 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
2565 | |
2566 | *bar_window = Qnil; | |
2567 | *part = 0; | |
a135645a | 2568 | *f = f1; |
12ba150f JB |
2569 | XSET (*x, Lisp_Int, win_x); |
2570 | XSET (*y, Lisp_Int, win_y); | |
2571 | *time = last_mouse_movement_time; | |
2572 | } | |
2573 | } | |
2574 | } | |
90e65f07 JB |
2575 | |
2576 | UNBLOCK_INPUT; | |
2577 | } | |
2578 | ||
c118dd06 | 2579 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 2580 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
2581 | #endif /* ! defined (HAVE_X11) */ |
2582 | \f | |
ab648270 | 2583 | /* Scroll bar support. */ |
f451eb13 | 2584 | |
ab648270 JB |
2585 | /* Given an X window ID, find the struct scroll_bar which manages it. |
2586 | This can be called in GC, so we have to make sure to strip off mark | |
2587 | bits. */ | |
2588 | static struct scroll_bar * | |
2589 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
2590 | Window window_id; |
2591 | { | |
2592 | Lisp_Object tail, frame; | |
f451eb13 | 2593 | |
ab648270 JB |
2594 | for (tail = Vframe_list; |
2595 | XGCTYPE (tail) == Lisp_Cons; | |
2596 | tail = XCONS (tail)->cdr) | |
f451eb13 | 2597 | { |
abdda982 | 2598 | Lisp_Object frame, bar, condemned; |
f451eb13 | 2599 | |
abdda982 | 2600 | frame = XCONS (tail)->car; |
f451eb13 | 2601 | /* All elements of Vframe_list should be frames. */ |
ab648270 | 2602 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
2603 | abort (); |
2604 | ||
ab648270 | 2605 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 2606 | right window ID. */ |
ab648270 JB |
2607 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2608 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2609 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2610 | condemned scroll bar lists with one loop. */ |
2611 | ! GC_NILP (bar) || (bar = condemned, | |
2612 | condemned = Qnil, | |
2613 | ! GC_NILP (bar)); | |
bc20ebbf | 2614 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2615 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2616 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2617 | } |
2618 | ||
2619 | return 0; | |
2620 | } | |
2621 | ||
ab648270 JB |
2622 | /* Open a new X window to serve as a scroll bar, and return the |
2623 | scroll bar vector for it. */ | |
2624 | static struct scroll_bar * | |
2625 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2626 | struct window *window; |
f451eb13 JB |
2627 | int top, left, width, height; |
2628 | { | |
12ba150f | 2629 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2630 | struct scroll_bar *bar = |
2631 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2632 | |
2633 | BLOCK_INPUT; | |
2634 | ||
2635 | { | |
2636 | XSetWindowAttributes a; | |
2637 | unsigned long mask; | |
12ba150f JB |
2638 | a.background_pixel = frame->display.x->background_pixel; |
2639 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2640 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2641 | | ExposureMask); |
ab648270 | 2642 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2643 | |
dbc4e1c1 | 2644 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2645 | |
3afe33e7 RS |
2646 | #if 0 |
2647 | ||
2648 | ac = 0; | |
2649 | XtSetArg (al[ac], XtNx, left); ac++; | |
2650 | XtSetArg (al[ac], XtNy, top); ac++; | |
2651 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2652 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2653 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2654 | sb_widget = XtCreateManagedWidget ("box", | |
7246d1d3 KH |
2655 | boxWidgetClass, |
2656 | frame->display.x->edit_widget, al, ac); | |
2657 | SET_SCROLL_BAR_X_WINDOW | |
3afe33e7 RS |
2658 | (bar, sb_widget->core.window); |
2659 | #endif | |
7246d1d3 | 2660 | SET_SCROLL_BAR_X_WINDOW |
12ba150f JB |
2661 | (bar, |
2662 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2663 | |
ab648270 | 2664 | /* Position and size of scroll bar. */ |
12ba150f | 2665 | left, top, width, height, |
f451eb13 | 2666 | |
12ba150f JB |
2667 | /* Border width, depth, class, and visual. */ |
2668 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2669 | |
12ba150f JB |
2670 | /* Attributes. */ |
2671 | mask, &a)); | |
f451eb13 JB |
2672 | } |
2673 | ||
12ba150f JB |
2674 | XSET (bar->window, Lisp_Window, window); |
2675 | XSET (bar->top, Lisp_Int, top); | |
2676 | XSET (bar->left, Lisp_Int, left); | |
2677 | XSET (bar->width, Lisp_Int, width); | |
2678 | XSET (bar->height, Lisp_Int, height); | |
2679 | XSET (bar->start, Lisp_Int, 0); | |
2680 | XSET (bar->end, Lisp_Int, 0); | |
2681 | bar->dragging = Qnil; | |
f451eb13 JB |
2682 | |
2683 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2684 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2685 | bar->prev = Qnil; |
ab648270 | 2686 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2687 | if (! NILP (bar->next)) |
ab648270 | 2688 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2689 | |
ab648270 | 2690 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2691 | |
2692 | UNBLOCK_INPUT; | |
12ba150f JB |
2693 | |
2694 | return bar; | |
f451eb13 JB |
2695 | } |
2696 | ||
12ba150f JB |
2697 | /* Draw BAR's handle in the proper position. |
2698 | If the handle is already drawn from START to END, don't bother | |
2699 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2700 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2701 | events.) | |
2702 | ||
2703 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2704 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2705 | handle, we want to let them drag it down all the way, so that the |
2706 | bar's top is as far down as it goes; otherwise, there's no way to | |
2707 | move to the very end of the buffer. */ | |
f451eb13 | 2708 | static void |
ab648270 JB |
2709 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2710 | struct scroll_bar *bar; | |
f451eb13 | 2711 | int start, end; |
12ba150f | 2712 | int rebuild; |
f451eb13 | 2713 | { |
12ba150f | 2714 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2715 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2716 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2717 | ||
2718 | /* If the display is already accurate, do nothing. */ | |
2719 | if (! rebuild | |
2720 | && start == XINT (bar->start) | |
2721 | && end == XINT (bar->end)) | |
2722 | return; | |
2723 | ||
f451eb13 JB |
2724 | BLOCK_INPUT; |
2725 | ||
2726 | { | |
ab648270 JB |
2727 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2728 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2729 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2730 | |
2731 | /* Make sure the values are reasonable, and try to preserve | |
2732 | the distance between start and end. */ | |
12ba150f JB |
2733 | { |
2734 | int length = end - start; | |
2735 | ||
2736 | if (start < 0) | |
2737 | start = 0; | |
2738 | else if (start > top_range) | |
2739 | start = top_range; | |
2740 | end = start + length; | |
2741 | ||
2742 | if (end < start) | |
2743 | end = start; | |
2744 | else if (end > top_range && ! dragging) | |
2745 | end = top_range; | |
2746 | } | |
f451eb13 | 2747 | |
ab648270 | 2748 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2749 | XSET (bar->start, Lisp_Int, start); |
2750 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2751 | |
12ba150f JB |
2752 | /* Clip the end position, just for display. */ |
2753 | if (end > top_range) | |
2754 | end = top_range; | |
f451eb13 | 2755 | |
ab648270 | 2756 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2757 | below top positions, to make sure the handle is always at least |
2758 | that many pixels tall. */ | |
ab648270 | 2759 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2760 | |
12ba150f JB |
2761 | /* Draw the empty space above the handle. Note that we can't clear |
2762 | zero-height areas; that means "clear to end of window." */ | |
2763 | if (0 < start) | |
2764 | XClearArea (x_current_display, w, | |
f451eb13 | 2765 | |
12ba150f | 2766 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2767 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2768 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2769 | inside_width, start, |
2770 | False); | |
f451eb13 | 2771 | |
12ba150f JB |
2772 | /* Draw the handle itself. */ |
2773 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2774 | |
12ba150f | 2775 | /* x, y, width, height */ |
ab648270 JB |
2776 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2777 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2778 | inside_width, end - start); |
f451eb13 | 2779 | |
f451eb13 | 2780 | |
12ba150f JB |
2781 | /* Draw the empty space below the handle. Note that we can't |
2782 | clear zero-height areas; that means "clear to end of window." */ | |
2783 | if (end < inside_height) | |
2784 | XClearArea (x_current_display, w, | |
f451eb13 | 2785 | |
12ba150f | 2786 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2787 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2788 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2789 | inside_width, inside_height - end, |
2790 | False); | |
f451eb13 | 2791 | |
f451eb13 JB |
2792 | } |
2793 | ||
f451eb13 JB |
2794 | UNBLOCK_INPUT; |
2795 | } | |
2796 | ||
eb8c3be9 | 2797 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2798 | window configurations. */ |
f451eb13 | 2799 | static void |
ab648270 JB |
2800 | x_scroll_bar_move (bar, top, left, width, height) |
2801 | struct scroll_bar *bar; | |
f451eb13 JB |
2802 | int top, left, width, height; |
2803 | { | |
2804 | BLOCK_INPUT; | |
2805 | ||
2806 | { | |
2807 | XWindowChanges wc; | |
2808 | unsigned int mask = 0; | |
2809 | ||
2810 | wc.x = left; | |
2811 | wc.y = top; | |
2812 | wc.width = width; | |
2813 | wc.height = height; | |
2814 | ||
12ba150f JB |
2815 | if (left != XINT (bar->left)) mask |= CWX; |
2816 | if (top != XINT (bar->top)) mask |= CWY; | |
2817 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2818 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2819 | ||
2820 | if (mask) | |
ab648270 | 2821 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2822 | mask, &wc); |
f451eb13 JB |
2823 | } |
2824 | ||
12ba150f JB |
2825 | XSET (bar->left, Lisp_Int, left); |
2826 | XSET (bar->top, Lisp_Int, top); | |
2827 | XSET (bar->width, Lisp_Int, width); | |
2828 | XSET (bar->height, Lisp_Int, height); | |
2829 | ||
f451eb13 JB |
2830 | UNBLOCK_INPUT; |
2831 | } | |
2832 | ||
ab648270 | 2833 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2834 | to nil. */ |
2835 | static void | |
ab648270 JB |
2836 | x_scroll_bar_remove (bar) |
2837 | struct scroll_bar *bar; | |
12ba150f JB |
2838 | { |
2839 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2840 | ||
2841 | BLOCK_INPUT; | |
2842 | ||
2843 | /* Destroy the window. */ | |
ab648270 | 2844 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2845 | |
ab648270 JB |
2846 | /* Disassociate this scroll bar from its window. */ |
2847 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2848 | |
2849 | UNBLOCK_INPUT; | |
2850 | } | |
2851 | ||
2852 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2853 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2854 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2855 | create one. */ |
2856 | static void | |
ab648270 | 2857 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2858 | struct window *window; |
2859 | int portion, whole, position; | |
2860 | { | |
2861 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2862 | int top = XINT (window->top); |
ab648270 JB |
2863 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2864 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2865 | |
ab648270 | 2866 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2867 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2868 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2869 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2870 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2871 | |
ab648270 | 2872 | struct scroll_bar *bar; |
12ba150f | 2873 | |
ab648270 JB |
2874 | /* Does the scroll bar exist yet? */ |
2875 | if (NILP (window->vertical_scroll_bar)) | |
2876 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2877 | pixel_top, pixel_left, |
2878 | pixel_width, pixel_height); | |
2879 | else | |
12ba150f JB |
2880 | { |
2881 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2882 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2883 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2884 | } |
f451eb13 | 2885 | |
ab648270 | 2886 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2887 | dragged. */ |
12ba150f | 2888 | if (NILP (bar->dragging)) |
f451eb13 | 2889 | { |
12ba150f | 2890 | int top_range = |
ab648270 | 2891 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2892 | |
12ba150f | 2893 | if (whole == 0) |
ab648270 | 2894 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2895 | else |
2896 | { | |
43f868f5 JB |
2897 | int start = ((double) position * top_range) / whole; |
2898 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2899 | |
ab648270 | 2900 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2901 | } |
f451eb13 JB |
2902 | } |
2903 | ||
ab648270 | 2904 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2905 | } |
2906 | ||
12ba150f | 2907 | |
f451eb13 | 2908 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2909 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2910 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2911 | away is a real pain - "Can you say set-window-configuration, boys |
2912 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2913 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2914 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2915 | |
ab648270 JB |
2916 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2917 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2918 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2919 | static void |
ab648270 | 2920 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2921 | FRAME_PTR frame; |
2922 | { | |
12ba150f JB |
2923 | /* The condemned list should be empty at this point; if it's not, |
2924 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2925 | protocol correctly. */ | |
ab648270 | 2926 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2927 | abort (); |
2928 | ||
2929 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2930 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2931 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2932 | } |
2933 | ||
ab648270 | 2934 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2935 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2936 | static void |
ab648270 | 2937 | XTredeem_scroll_bar (window) |
12ba150f | 2938 | struct window *window; |
f451eb13 | 2939 | { |
ab648270 | 2940 | struct scroll_bar *bar; |
12ba150f | 2941 | |
ab648270 JB |
2942 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2943 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2944 | abort (); |
2945 | ||
ab648270 | 2946 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2947 | |
2948 | /* Unlink it from the condemned list. */ | |
2949 | { | |
2950 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2951 | ||
2952 | if (NILP (bar->prev)) | |
2953 | { | |
2954 | /* If the prev pointer is nil, it must be the first in one of | |
2955 | the lists. */ | |
ab648270 | 2956 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2957 | /* It's not condemned. Everything's fine. */ |
2958 | return; | |
ab648270 JB |
2959 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2960 | window->vertical_scroll_bar)) | |
2961 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2962 | else |
2963 | /* If its prev pointer is nil, it must be at the front of | |
2964 | one or the other! */ | |
2965 | abort (); | |
2966 | } | |
2967 | else | |
ab648270 | 2968 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2969 | |
2970 | if (! NILP (bar->next)) | |
ab648270 | 2971 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2972 | |
ab648270 | 2973 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2974 | bar->prev = Qnil; |
ab648270 | 2975 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2976 | if (! NILP (bar->next)) |
ab648270 | 2977 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2978 | } |
f451eb13 JB |
2979 | } |
2980 | ||
ab648270 JB |
2981 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2982 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2983 | static void |
ab648270 | 2984 | XTjudge_scroll_bars (f) |
12ba150f | 2985 | FRAME_PTR f; |
f451eb13 | 2986 | { |
12ba150f | 2987 | Lisp_Object bar, next; |
f451eb13 | 2988 | |
ab648270 | 2989 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2990 | |
2991 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2992 | more events on the hapless scroll bars. */ |
2993 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2994 | |
2995 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2996 | { |
ab648270 | 2997 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2998 | |
ab648270 | 2999 | x_scroll_bar_remove (b); |
12ba150f JB |
3000 | |
3001 | next = b->next; | |
3002 | b->next = b->prev = Qnil; | |
f451eb13 | 3003 | } |
12ba150f | 3004 | |
ab648270 | 3005 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 3006 | and they should get garbage-collected. */ |
f451eb13 JB |
3007 | } |
3008 | ||
3009 | ||
ab648270 JB |
3010 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
3011 | ||
3012 | This may be called from a signal handler, so we have to ignore GC | |
3013 | mark bits. */ | |
f451eb13 | 3014 | static void |
ab648270 JB |
3015 | x_scroll_bar_expose (bar, event) |
3016 | struct scroll_bar *bar; | |
f451eb13 JB |
3017 | XEvent *event; |
3018 | { | |
ab648270 | 3019 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
3020 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
3021 | ||
f451eb13 JB |
3022 | BLOCK_INPUT; |
3023 | ||
ab648270 | 3024 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 3025 | |
ab648270 | 3026 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 3027 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
3028 | |
3029 | /* x, y, width, height */ | |
12ba150f | 3030 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 3031 | |
f451eb13 JB |
3032 | UNBLOCK_INPUT; |
3033 | } | |
3034 | ||
ab648270 JB |
3035 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
3036 | is set to something other than no_event, it is enqueued. | |
3037 | ||
3038 | This may be called from a signal handler, so we have to ignore GC | |
3039 | mark bits. */ | |
f451eb13 | 3040 | static void |
ab648270 JB |
3041 | x_scroll_bar_handle_click (bar, event, emacs_event) |
3042 | struct scroll_bar *bar; | |
f451eb13 JB |
3043 | XEvent *event; |
3044 | struct input_event *emacs_event; | |
3045 | { | |
ab648270 | 3046 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
3047 | abort (); |
3048 | ||
ab648270 | 3049 | emacs_event->kind = scroll_bar_click; |
69388238 | 3050 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 3051 | emacs_event->modifiers = |
dfeccd2d | 3052 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
3053 | | (event->type == ButtonRelease |
3054 | ? up_modifier | |
3055 | : down_modifier)); | |
12ba150f | 3056 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 3057 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
3058 | { |
3059 | int internal_height = | |
ab648270 | 3060 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 3061 | int top_range = |
ab648270 JB |
3062 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
3063 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
3064 | |
3065 | if (y < 0) y = 0; | |
3066 | if (y > top_range) y = top_range; | |
3067 | ||
3068 | if (y < XINT (bar->start)) | |
ab648270 JB |
3069 | emacs_event->part = scroll_bar_above_handle; |
3070 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3071 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 3072 | else |
ab648270 | 3073 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
3074 | |
3075 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
3076 | they want to drag it. Lisp code needs to be able to decide |
3077 | whether or not we're dragging. */ | |
929787e1 | 3078 | #if 0 |
12ba150f JB |
3079 | /* If the user has just clicked on the handle, record where they're |
3080 | holding it. */ | |
3081 | if (event->type == ButtonPress | |
ab648270 | 3082 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 3083 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 3084 | #endif |
12ba150f JB |
3085 | |
3086 | /* If the user has released the handle, set it to its final position. */ | |
3087 | if (event->type == ButtonRelease | |
3088 | && ! NILP (bar->dragging)) | |
3089 | { | |
3090 | int new_start = y - XINT (bar->dragging); | |
3091 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 3092 | |
ab648270 | 3093 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
3094 | bar->dragging = Qnil; |
3095 | } | |
f451eb13 | 3096 | |
5116f055 JB |
3097 | /* Same deal here as the other #if 0. */ |
3098 | #if 0 | |
eb8c3be9 | 3099 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 3100 | the handle. */ |
ab648270 | 3101 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
3102 | emacs_event->x = bar->start; |
3103 | else | |
3104 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
3105 | #else |
3106 | XSET (emacs_event->x, Lisp_Int, y); | |
3107 | #endif | |
f451eb13 | 3108 | |
12ba150f JB |
3109 | XSET (emacs_event->y, Lisp_Int, top_range); |
3110 | } | |
3111 | } | |
f451eb13 | 3112 | |
ab648270 JB |
3113 | /* Handle some mouse motion while someone is dragging the scroll bar. |
3114 | ||
3115 | This may be called from a signal handler, so we have to ignore GC | |
3116 | mark bits. */ | |
f451eb13 | 3117 | static void |
ab648270 JB |
3118 | x_scroll_bar_note_movement (bar, event) |
3119 | struct scroll_bar *bar; | |
f451eb13 JB |
3120 | XEvent *event; |
3121 | { | |
3122 | last_mouse_movement_time = event->xmotion.time; | |
3123 | ||
3124 | mouse_moved = 1; | |
ab648270 | 3125 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
3126 | |
3127 | /* If we're dragging the bar, display it. */ | |
ab648270 | 3128 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
3129 | { |
3130 | /* Where should the handle be now? */ | |
12ba150f | 3131 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 3132 | |
12ba150f | 3133 | if (new_start != XINT (bar->start)) |
f451eb13 | 3134 | { |
12ba150f | 3135 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 3136 | |
ab648270 | 3137 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
3138 | } |
3139 | } | |
3140 | ||
3141 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
3142 | moves and we can see *still* on the same position. */ | |
3143 | { | |
3144 | int dummy; | |
3145 | ||
3146 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
3147 | (Window *) &dummy, (Window *) &dummy, | |
3148 | &dummy, &dummy, &dummy, &dummy, | |
3149 | (unsigned int *) &dummy); | |
3150 | } | |
3151 | } | |
3152 | ||
12ba150f | 3153 | /* Return information to the user about the current position of the mouse |
ab648270 | 3154 | on the scroll bar. */ |
12ba150f | 3155 | static void |
ab648270 | 3156 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
3157 | FRAME_PTR *f; |
3158 | Lisp_Object *bar_window; | |
ab648270 | 3159 | enum scroll_bar_part *part; |
12ba150f JB |
3160 | Lisp_Object *x, *y; |
3161 | unsigned long *time; | |
3162 | { | |
ab648270 | 3163 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 3164 | int win_x, win_y; |
559cb2fb JB |
3165 | Window dummy_window; |
3166 | int dummy_coord; | |
3167 | unsigned int dummy_mask; | |
12ba150f | 3168 | |
cf7cb199 JB |
3169 | BLOCK_INPUT; |
3170 | ||
ab648270 | 3171 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 3172 | report that. */ |
559cb2fb JB |
3173 | if (! XQueryPointer (x_current_display, |
3174 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 3175 | |
559cb2fb JB |
3176 | /* Root, child, root x and root y. */ |
3177 | &dummy_window, &dummy_window, | |
3178 | &dummy_coord, &dummy_coord, | |
12ba150f | 3179 | |
559cb2fb JB |
3180 | /* Position relative to scroll bar. */ |
3181 | &win_x, &win_y, | |
12ba150f | 3182 | |
559cb2fb JB |
3183 | /* Mouse buttons and modifier keys. */ |
3184 | &dummy_mask)) | |
3185 | *f = 0; | |
3186 | else | |
3187 | { | |
3188 | int inside_height | |
3189 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
3190 | int top_range | |
3191 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
3192 | ||
3193 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
3194 | ||
3195 | if (! NILP (bar->dragging)) | |
3196 | win_y -= XINT (bar->dragging); | |
3197 | ||
3198 | if (win_y < 0) | |
3199 | win_y = 0; | |
3200 | if (win_y > top_range) | |
3201 | win_y = top_range; | |
3202 | ||
3203 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
3204 | *bar_window = bar->window; | |
3205 | ||
3206 | if (! NILP (bar->dragging)) | |
3207 | *part = scroll_bar_handle; | |
3208 | else if (win_y < XINT (bar->start)) | |
3209 | *part = scroll_bar_above_handle; | |
3210 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
3211 | *part = scroll_bar_handle; | |
3212 | else | |
3213 | *part = scroll_bar_below_handle; | |
12ba150f | 3214 | |
559cb2fb JB |
3215 | XSET (*x, Lisp_Int, win_y); |
3216 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 3217 | |
559cb2fb JB |
3218 | mouse_moved = 0; |
3219 | last_mouse_scroll_bar = Qnil; | |
3220 | } | |
12ba150f | 3221 | |
559cb2fb | 3222 | *time = last_mouse_movement_time; |
cf7cb199 | 3223 | |
cf7cb199 | 3224 | UNBLOCK_INPUT; |
12ba150f JB |
3225 | } |
3226 | ||
f451eb13 | 3227 | |
dbc4e1c1 | 3228 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
3229 | background colors, and the scroll bars may need to be redrawn. |
3230 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
3231 | redraw them. */ |
3232 | ||
ab648270 | 3233 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
3234 | FRAME_PTR f; |
3235 | { | |
3236 | Lisp_Object bar; | |
3237 | ||
ab648270 | 3238 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 3239 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
3240 | bar = XSCROLL_BAR (bar)->next) |
3241 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
3242 | 0, 0, 0, 0, True); |
3243 | } | |
3244 | ||
3afe33e7 RS |
3245 | /* This processes Expose events from the menubar specific X event |
3246 | loop in menubar.c. This allows to redisplay the frame if necessary | |
3247 | when handling menubar or popup items. */ | |
3248 | ||
3249 | void | |
3250 | process_expose_from_menu (event) | |
3251 | XEvent event; | |
3252 | { | |
3253 | FRAME_PTR f; | |
3254 | ||
f94397b5 KH |
3255 | BLOCK_INPUT; |
3256 | ||
3afe33e7 RS |
3257 | f = x_window_to_frame (event.xexpose.window); |
3258 | if (f) | |
3259 | { | |
3260 | if (f->async_visible == 0) | |
3261 | { | |
3262 | f->async_visible = 1; | |
3263 | f->async_iconified = 0; | |
3264 | SET_FRAME_GARBAGED (f); | |
3265 | } | |
3266 | else | |
3267 | { | |
3268 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
3269 | event.xexpose.x, event.xexpose.y, | |
3270 | event.xexpose.width, event.xexpose.height); | |
3271 | } | |
3272 | } | |
3273 | else | |
3274 | { | |
3275 | struct scroll_bar *bar | |
3276 | = x_window_to_scroll_bar (event.xexpose.window); | |
3277 | ||
3278 | if (bar) | |
3279 | x_scroll_bar_expose (bar, &event); | |
3280 | } | |
f94397b5 KH |
3281 | |
3282 | UNBLOCK_INPUT; | |
3afe33e7 | 3283 | } |
dbc4e1c1 | 3284 | |
f451eb13 JB |
3285 | \f |
3286 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 3287 | |
dc6f92b8 JB |
3288 | /* Timestamp of enter window event. This is only used by XTread_socket, |
3289 | but we have to put it out here, since static variables within functions | |
3290 | sometimes don't work. */ | |
3291 | static Time enter_timestamp; | |
3292 | ||
11edeb03 JB |
3293 | /* This holds the state XLookupString needs to implement dead keys |
3294 | and other tricks known as "compose processing". _X Window System_ | |
3295 | says that a portable program can't use this, but Stephen Gildea assures | |
3296 | me that letting the compiler initialize it to zeros will work okay. | |
3297 | ||
3298 | This must be defined outside of XTread_socket, for the same reasons | |
3299 | given for enter_timestamp, above. */ | |
3300 | static XComposeStatus compose_status; | |
3301 | ||
c047688c JA |
3302 | /* Communication with window managers. */ |
3303 | Atom Xatom_wm_protocols; | |
3304 | ||
3305 | /* Kinds of protocol things we may receive. */ | |
3306 | Atom Xatom_wm_take_focus; | |
3307 | Atom Xatom_wm_save_yourself; | |
3308 | Atom Xatom_wm_delete_window; | |
3309 | ||
3310 | /* Other WM communication */ | |
3311 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
3312 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
3313 | ||
d56a553a RS |
3314 | /* Window manager communication. */ |
3315 | Atom Xatom_wm_change_state; | |
3316 | ||
c2df547c RS |
3317 | /* EditRes protocol */ |
3318 | Atom Xatom_editres_name; | |
3319 | ||
10e6549c RS |
3320 | /* Record the last 100 characters stored |
3321 | to help debug the loss-of-chars-during-GC problem. */ | |
3322 | int temp_index; | |
3323 | short temp_buffer[100]; | |
3324 | ||
dc6f92b8 JB |
3325 | /* Read events coming from the X server. |
3326 | This routine is called by the SIGIO handler. | |
3327 | We return as soon as there are no more events to be read. | |
3328 | ||
3329 | Events representing keys are stored in buffer BUFP, | |
3330 | which can hold up to NUMCHARS characters. | |
3331 | We return the number of characters stored into the buffer, | |
3332 | thus pretending to be `read'. | |
3333 | ||
3334 | WAITP is nonzero if we should block until input arrives. | |
3335 | EXPECTED is nonzero if the caller knows input is available. */ | |
3336 | ||
7c5283e4 | 3337 | int |
dc6f92b8 JB |
3338 | XTread_socket (sd, bufp, numchars, waitp, expected) |
3339 | register int sd; | |
3340 | register struct input_event *bufp; | |
3341 | register int numchars; | |
3342 | int waitp; | |
3343 | int expected; | |
3344 | { | |
3345 | int count = 0; | |
3346 | int nbytes = 0; | |
3347 | int mask; | |
3348 | int items_pending; /* How many items are in the X queue. */ | |
3349 | XEvent event; | |
f676886a | 3350 | struct frame *f; |
66f55a9d | 3351 | int event_found = 0; |
dc6f92b8 JB |
3352 | int prefix; |
3353 | Lisp_Object part; | |
3354 | ||
9ac0d9e0 | 3355 | if (interrupt_input_blocked) |
dc6f92b8 | 3356 | { |
9ac0d9e0 | 3357 | interrupt_input_pending = 1; |
dc6f92b8 JB |
3358 | return -1; |
3359 | } | |
3360 | ||
9ac0d9e0 | 3361 | interrupt_input_pending = 0; |
dc6f92b8 JB |
3362 | BLOCK_INPUT; |
3363 | ||
3364 | if (numchars <= 0) | |
3365 | abort (); /* Don't think this happens. */ | |
3366 | ||
3367 | #ifdef FIOSNBIO | |
3368 | /* If available, Xlib uses FIOSNBIO to make the socket | |
3369 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
3370 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
3371 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
3372 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 3373 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
3374 | |
3375 | #ifndef SIGIO | |
3376 | #ifndef HAVE_SELECT | |
3377 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
3378 | { | |
3379 | extern int read_alarm_should_throw; | |
3380 | read_alarm_should_throw = 1; | |
3381 | XPeekEvent (XDISPLAY &event); | |
3382 | read_alarm_should_throw = 0; | |
3383 | } | |
c118dd06 JB |
3384 | #endif /* HAVE_SELECT */ |
3385 | #endif /* SIGIO */ | |
dc6f92b8 JB |
3386 | |
3387 | while (XStuffPending () != 0) | |
3388 | { | |
3389 | XNextEvent (XDISPLAY &event); | |
3390 | event_found = 1; | |
3391 | ||
3392 | switch (event.type) | |
3393 | { | |
3394 | #ifdef HAVE_X11 | |
c047688c JA |
3395 | case ClientMessage: |
3396 | { | |
3397 | if (event.xclient.message_type == Xatom_wm_protocols | |
3398 | && event.xclient.format == 32) | |
3399 | { | |
3400 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
3401 | { | |
3afe33e7 | 3402 | f = x_window_to_frame (event.xclient.window); |
0a178815 RS |
3403 | /* Since we set WM_TAKE_FOCUS, we must call |
3404 | XSetInputFocus explicitly. But not if f is null, | |
3405 | since that might be an event for a deleted frame. */ | |
f676886a | 3406 | if (f) |
5627c40e RS |
3407 | XSetInputFocus (event.xclient.display, |
3408 | event.xclient.window, | |
3409 | RevertToPointerRoot, | |
3410 | event.xclient.data.l[1]); | |
ab648270 | 3411 | /* Not certain about handling scroll bars here */ |
c047688c JA |
3412 | } |
3413 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
3414 | { | |
3415 | /* Save state modify the WM_COMMAND property to | |
3416 | something which can reinstate us. This notifies | |
3417 | the session manager, who's looking for such a | |
3418 | PropertyNotify. Can restart processing when | |
3419 | a keyboard or mouse event arrives. */ | |
3420 | if (numchars > 0) | |
3421 | { | |
3422 | } | |
3423 | } | |
3424 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
3425 | { | |
82aebaf4 | 3426 | struct frame *f = x_any_window_to_frame (event.xclient.window); |
c047688c | 3427 | |
f676886a | 3428 | if (f) |
1fb20991 RS |
3429 | { |
3430 | if (numchars == 0) | |
3431 | abort (); | |
3432 | ||
3433 | bufp->kind = delete_window_event; | |
3434 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
3435 | bufp++; | |
3436 | ||
3437 | count += 1; | |
3438 | numchars -= 1; | |
3439 | } | |
c047688c JA |
3440 | } |
3441 | } | |
3442 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
3443 | { | |
3444 | } | |
3445 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
3446 | { | |
3447 | int new_x, new_y; | |
1fb20991 RS |
3448 | struct frame *f = x_window_to_frame (event.xclient.window); |
3449 | ||
4357eba7 JB |
3450 | new_x = event.xclient.data.s[0]; |
3451 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
3452 | |
3453 | if (f) | |
3454 | { | |
3455 | f->display.x->left_pos = new_x; | |
3456 | f->display.x->top_pos = new_y; | |
3457 | } | |
c047688c | 3458 | } |
5627c40e | 3459 | #if defined (USE_X_TOOLKIT) && defined (HAVE_X11R5) |
c2df547c RS |
3460 | else if (event.xclient.message_type == Xatom_editres_name) |
3461 | { | |
3462 | struct frame *f = x_any_window_to_frame (event.xclient.window); | |
3463 | _XEditResCheckMessages (f->display.x->widget, NULL, &event, NULL); | |
3464 | } | |
5627c40e | 3465 | #endif /* USE_X_TOOLKIT and HAVE_X11R5 */ |
c047688c JA |
3466 | } |
3467 | break; | |
dc6f92b8 | 3468 | |
d56a553a | 3469 | case SelectionNotify: |
3afe33e7 | 3470 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3471 | if (! x_window_to_frame (event.xselection.requestor)) |
3afe33e7 | 3472 | goto OTHER; |
3afe33e7 | 3473 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3474 | x_handle_selection_notify (&event); |
d56a553a | 3475 | break; |
d56a553a | 3476 | |
dc6f92b8 | 3477 | case SelectionClear: /* Someone has grabbed ownership. */ |
3afe33e7 | 3478 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3479 | if (! x_window_to_frame (event.xselectionclear.window)) |
3480 | goto OTHER; | |
3afe33e7 | 3481 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3482 | { |
d56a553a RS |
3483 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
3484 | ||
3485 | if (numchars == 0) | |
3486 | abort (); | |
3487 | ||
3488 | bufp->kind = selection_clear_event; | |
3489 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3490 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3491 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3492 | bufp++; | |
3493 | ||
3494 | count += 1; | |
3495 | numchars -= 1; | |
3afe33e7 | 3496 | } |
dc6f92b8 JB |
3497 | break; |
3498 | ||
3499 | case SelectionRequest: /* Someone wants our selection. */ | |
3afe33e7 | 3500 | #ifdef USE_X_TOOLKIT |
b2bd9b6a RS |
3501 | if (!x_window_to_frame (event.xselectionrequest.owner)) |
3502 | goto OTHER; | |
3afe33e7 | 3503 | #endif /* USE_X_TOOLKIT */ |
b2bd9b6a | 3504 | { |
d56a553a RS |
3505 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
3506 | ||
3507 | if (numchars == 0) | |
3508 | abort (); | |
3509 | ||
3510 | bufp->kind = selection_request_event; | |
3511 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
3512 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
3513 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
3514 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
3515 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
3516 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
3517 | bufp++; | |
3518 | ||
3519 | count += 1; | |
3520 | numchars -= 1; | |
3afe33e7 | 3521 | } |
dc6f92b8 JB |
3522 | break; |
3523 | ||
3524 | case PropertyNotify: | |
3afe33e7 | 3525 | #ifdef USE_X_TOOLKIT |
b2bd9b6a | 3526 | if (!x_any_window_to_frame (event.xproperty.window)) |
3afe33e7 | 3527 | goto OTHER; |
3afe33e7 | 3528 | #endif /* not USE_X_TOOLKIT */ |
b2bd9b6a | 3529 | x_handle_property_notify (&event); |
dc6f92b8 JB |
3530 | break; |
3531 | ||
3bd330d4 | 3532 | case ReparentNotify: |
3a35ab44 | 3533 | f = x_top_window_to_frame (event.xreparent.window); |
3bd330d4 | 3534 | if (f) |
3a35ab44 RS |
3535 | { |
3536 | int x, y; | |
3537 | f->display.x->parent_desc = event.xreparent.parent; | |
3538 | x_real_positions (f, &x, &y); | |
3539 | f->display.x->left_pos = x; | |
3540 | f->display.x->top_pos = y; | |
3541 | } | |
3bd330d4 RS |
3542 | break; |
3543 | ||
dc6f92b8 | 3544 | case Expose: |
f676886a JB |
3545 | f = x_window_to_frame (event.xexpose.window); |
3546 | if (f) | |
dc6f92b8 | 3547 | { |
3a88c238 | 3548 | if (f->async_visible == 0) |
dc6f92b8 | 3549 | { |
3a88c238 JB |
3550 | f->async_visible = 1; |
3551 | f->async_iconified = 0; | |
f676886a | 3552 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
3553 | } |
3554 | else | |
b2bd9b6a RS |
3555 | dumprectangle (x_window_to_frame (event.xexpose.window), |
3556 | event.xexpose.x, event.xexpose.y, | |
3557 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
3558 | } |
3559 | else | |
3560 | { | |
ab648270 JB |
3561 | struct scroll_bar *bar |
3562 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 3563 | |
f451eb13 | 3564 | if (bar) |
3afe33e7 RS |
3565 | x_scroll_bar_expose (bar, &event); |
3566 | #ifdef USE_X_TOOLKIT | |
3567 | else | |
3568 | goto OTHER; | |
3569 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3570 | } |
3571 | break; | |
3572 | ||
3573 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3574 | source area was obscured or not | |
3575 | available.*/ | |
f451eb13 JB |
3576 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3577 | if (f) | |
3578 | { | |
3579 | dumprectangle (f, | |
3580 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3581 | event.xgraphicsexpose.width, | |
3582 | event.xgraphicsexpose.height); | |
f451eb13 | 3583 | } |
3afe33e7 RS |
3584 | #ifdef USE_X_TOOLKIT |
3585 | else | |
3586 | goto OTHER; | |
3587 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3588 | break; |
3589 | ||
3590 | case NoExpose: /* This occurs when an XCopyArea's | |
3591 | source area was completely | |
3592 | available */ | |
3593 | break; | |
c118dd06 | 3594 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3595 | case ExposeWindow: |
3596 | if (event.subwindow != 0) | |
3597 | break; /* duplicate event */ | |
f676886a JB |
3598 | f = x_window_to_frame (event.window); |
3599 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3600 | { |
f676886a | 3601 | refreshicon (f); |
3a88c238 | 3602 | f->async_iconified = 1; |
dc6f92b8 | 3603 | } |
c118dd06 | 3604 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3605 | { |
3606 | /* Say must check all windows' needs_exposure flags. */ | |
3607 | expose_all_windows = 1; | |
f676886a | 3608 | f->display.x->needs_exposure = 1; |
3a88c238 | 3609 | f->async_visible = 1; |
dc6f92b8 JB |
3610 | } |
3611 | break; | |
3612 | ||
3613 | case ExposeRegion: | |
3614 | if (event.subwindow != 0) | |
3615 | break; /* duplicate event */ | |
f676886a JB |
3616 | f = x_window_to_frame (event.window); |
3617 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3618 | { |
f676886a | 3619 | refreshicon (f); |
dc6f92b8 JB |
3620 | break; |
3621 | } | |
3622 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3623 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3624 | break; |
3625 | /* Put the event on the queue of rectangles to redraw. */ | |
3626 | if (enqueue_event (&event, &x_expose_queue)) | |
3627 | /* If it is full, we can't record the rectangle, | |
3628 | so redraw this entire window. */ | |
3629 | { | |
3630 | /* Say must check all windows' needs_exposure flags. */ | |
3631 | expose_all_windows = 1; | |
f676886a | 3632 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3633 | } |
3634 | break; | |
3635 | ||
3636 | case ExposeCopy: | |
3637 | /* This should happen only when we are expecting it, | |
3638 | in x_read_exposes. */ | |
3639 | abort (); | |
c118dd06 | 3640 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3641 | |
3642 | #ifdef HAVE_X11 | |
3643 | case UnmapNotify: | |
dc05a16b | 3644 | f = x_any_window_to_frame (event.xunmap.window); |
f451eb13 | 3645 | if (f) /* F may no longer exist if |
f676886a | 3646 | the frame was deleted. */ |
f451eb13 JB |
3647 | { |
3648 | /* While a frame is unmapped, display generation is | |
3649 | disabled; you don't want to spend time updating a | |
3650 | display that won't ever be seen. */ | |
3651 | f->async_visible = 0; | |
5627c40e RS |
3652 | /* We can't distinguish, from the event, whether the window |
3653 | has become iconified or invisible. So assume, if it | |
3654 | was previously visible, than now it is iconified. | |
3655 | We depend on x_make_frame_invisible to mark it iconified. */ | |
9319ae23 RS |
3656 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3657 | f->async_iconified = 1; | |
f451eb13 | 3658 | } |
3afe33e7 RS |
3659 | #ifdef USE_X_TOOLKIT |
3660 | goto OTHER; | |
3661 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3662 | break; |
3663 | ||
3664 | case MapNotify: | |
b2bd9b6a RS |
3665 | /* We use x_top_window_to_frame because map events can come |
3666 | for subwindows and they don't mean that the frame is visible. */ | |
5627c40e | 3667 | f = x_top_window_to_frame (event.xmap.window); |
f676886a | 3668 | if (f) |
dc6f92b8 | 3669 | { |
3a88c238 JB |
3670 | f->async_visible = 1; |
3671 | f->async_iconified = 0; | |
dc6f92b8 JB |
3672 | |
3673 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3674 | the frame's display structures. */ |
3675 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3676 | } |
3afe33e7 RS |
3677 | #ifdef USE_X_TOOLKIT |
3678 | goto OTHER; | |
3679 | #endif /* USE_X_TOOLKIT */ | |
b2bd9b6a | 3680 | break; |
dc6f92b8 JB |
3681 | |
3682 | /* Turn off processing if we become fully obscured. */ | |
3683 | case VisibilityNotify: | |
3684 | break; | |
3685 | ||
c118dd06 | 3686 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3687 | case UnmapWindow: |
f676886a JB |
3688 | f = x_window_to_frame (event.window); |
3689 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3690 | f->async_iconified = 0; |
c118dd06 | 3691 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3692 | f->async_visible = 0; |
dc6f92b8 | 3693 | break; |
c118dd06 | 3694 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3695 | |
3696 | #ifdef HAVE_X11 | |
3697 | case KeyPress: | |
1dea5a83 | 3698 | f = x_any_window_to_frame (event.xkey.window); |
f451eb13 | 3699 | |
f676886a | 3700 | if (f != 0) |
dc6f92b8 | 3701 | { |
2d368234 | 3702 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3703 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3704 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3705 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3706 | int modifiers; |
3707 | ||
dfeccd2d JB |
3708 | event.xkey.state |
3709 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3710 | modifiers = event.xkey.state; |
3a2712f9 | 3711 | |
11edeb03 | 3712 | /* This will have to go some day... */ |
752a043f JB |
3713 | |
3714 | /* make_lispy_event turns chars into control chars. | |
3715 | Don't do it here because XLookupString is too eager. */ | |
3716 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3717 | nbytes = |
3718 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3719 | &compose_status); | |
dc6f92b8 | 3720 | |
55123275 JB |
3721 | /* Strip off the vendor-specific keysym bit, and take a shot |
3722 | at recognizing the codes. HP servers have extra keysyms | |
3723 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 3724 | orig_keysym = keysym; |
55123275 JB |
3725 | keysym &= ~(1<<28); |
3726 | ||
dc6f92b8 JB |
3727 | if (numchars > 1) |
3728 | { | |
64a07219 JB |
3729 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3730 | || keysym == XK_Delete | |
3731 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3732 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3733 | #ifdef HPUX |
64a07219 JB |
3734 | /* This recognizes the "extended function keys". |
3735 | It seems there's no cleaner way. | |
3736 | Test IsModifierKey to avoid handling mode_switch | |
3737 | incorrectly. */ | |
3738 | || ((unsigned) (keysym) >= XK_Select | |
3739 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3740 | #endif |
3741 | #ifdef XK_dead_circumflex | |
3742 | || orig_keysym == XK_dead_circumflex | |
3743 | #endif | |
3744 | #ifdef XK_dead_grave | |
3745 | || orig_keysym == XK_dead_grave | |
3746 | #endif | |
3747 | #ifdef XK_dead_tilde | |
3748 | || orig_keysym == XK_dead_tilde | |
3749 | #endif | |
3750 | #ifdef XK_dead_diaeresis | |
3751 | || orig_keysym == XK_dead_diaeresis | |
3752 | #endif | |
3753 | #ifdef XK_dead_macron | |
3754 | || orig_keysym == XK_dead_macron | |
3755 | #endif | |
3756 | #ifdef XK_dead_degree | |
3757 | || orig_keysym == XK_dead_degree | |
3758 | #endif | |
3759 | #ifdef XK_dead_acute | |
3760 | || orig_keysym == XK_dead_acute | |
3761 | #endif | |
3762 | #ifdef XK_dead_cedilla | |
3763 | || orig_keysym == XK_dead_cedilla | |
3764 | #endif | |
3765 | #ifdef XK_dead_breve | |
3766 | || orig_keysym == XK_dead_breve | |
3767 | #endif | |
3768 | #ifdef XK_dead_ogonek | |
3769 | || orig_keysym == XK_dead_ogonek | |
3770 | #endif | |
3771 | #ifdef XK_dead_caron | |
3772 | || orig_keysym == XK_dead_caron | |
3773 | #endif | |
3774 | #ifdef XK_dead_doubleacute | |
3775 | || orig_keysym == XK_dead_doubleacute | |
3776 | #endif | |
3777 | #ifdef XK_dead_abovedot | |
3778 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3779 | #endif |
64a07219 JB |
3780 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3781 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3782 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
3783 | && ! (IsModifierKey (orig_keysym) |
3784 | #ifndef HAVE_X11R5 | |
3785 | #ifdef XK_Mode_switch | |
3786 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3787 | #endif | |
3788 | #ifdef XK_Num_Lock | |
3789 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3790 | #endif | |
3791 | #endif /* not HAVE_X11R5 */ | |
3792 | )) | |
dc6f92b8 | 3793 | { |
10e6549c RS |
3794 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3795 | temp_index = 0; | |
3796 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3797 | bufp->kind = non_ascii_keystroke; |
69388238 | 3798 | bufp->code = keysym; |
12ba150f | 3799 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3800 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3801 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3802 | bufp++; |
3803 | count++; | |
3804 | numchars--; | |
3805 | } | |
3806 | else if (numchars > nbytes) | |
3807 | { | |
3808 | register int i; | |
3809 | ||
10e6549c | 3810 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3811 | { |
10e6549c RS |
3812 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3813 | temp_index = 0; | |
3814 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3815 | bufp->kind = ascii_keystroke; |
69388238 | 3816 | bufp->code = copy_buffer[i]; |
12ba150f | 3817 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3818 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3819 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3820 | bufp++; |
3821 | } | |
dc6f92b8 JB |
3822 | |
3823 | count += nbytes; | |
3824 | numchars -= nbytes; | |
3825 | } | |
10e6549c RS |
3826 | else |
3827 | abort (); | |
dc6f92b8 | 3828 | } |
10e6549c RS |
3829 | else |
3830 | abort (); | |
dc6f92b8 JB |
3831 | } |
3832 | break; | |
c118dd06 | 3833 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3834 | case KeyPressed: |
3835 | { | |
3836 | register char *where_mapping; | |
3837 | ||
f676886a | 3838 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3839 | /* Ignore keys typed on icon windows. */ |
f676886a | 3840 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3841 | break; |
3842 | where_mapping = XLookupMapping (&event, &nbytes); | |
3843 | /* Nasty fix for arrow keys */ | |
3844 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3845 | { | |
3846 | switch (event.detail & 0xff) | |
3847 | { | |
3848 | case KC_CURSOR_LEFT: | |
3849 | where_mapping = "\002"; | |
3850 | break; | |
3851 | case KC_CURSOR_RIGHT: | |
3852 | where_mapping = "\006"; | |
3853 | break; | |
3854 | case KC_CURSOR_UP: | |
3855 | where_mapping = "\020"; | |
3856 | break; | |
3857 | case KC_CURSOR_DOWN: | |
3858 | where_mapping = "\016"; | |
3859 | break; | |
3860 | } | |
3861 | nbytes = 1; | |
3862 | } | |
3863 | if (numchars - nbytes > 0) | |
3864 | { | |
3865 | register int i; | |
3866 | ||
3867 | for (i = 0; i < nbytes; i++) | |
3868 | { | |
3869 | bufp->kind = ascii_keystroke; | |
69388238 | 3870 | bufp->code = where_mapping[i]; |
90e65f07 | 3871 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3872 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3873 | bufp++; |
3874 | } | |
3875 | count += nbytes; | |
3876 | numchars -= nbytes; | |
3877 | } | |
3878 | } | |
3879 | break; | |
c118dd06 | 3880 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3881 | |
3882 | #ifdef HAVE_X11 | |
f451eb13 JB |
3883 | |
3884 | /* Here's a possible interpretation of the whole | |
3885 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3886 | FocusIn event, you have to get a FocusOut event before you | |
3887 | relinquish the focus. If you haven't received a FocusIn event, | |
3888 | then a mere LeaveNotify is enough to free you. */ | |
3889 | ||
dc6f92b8 | 3890 | case EnterNotify: |
1dea5a83 | 3891 | f = x_any_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3892 | |
f451eb13 | 3893 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3894 | { |
dc6f92b8 | 3895 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3896 | if (f && (!(f->auto_raise) |
3897 | || !(f->auto_lower) | |
dc6f92b8 JB |
3898 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3899 | { | |
f676886a | 3900 | x_new_focus_frame (f); |
dc6f92b8 JB |
3901 | enter_timestamp = event.xcrossing.time; |
3902 | } | |
dc6f92b8 | 3903 | } |
f676886a JB |
3904 | else if (f == x_focus_frame) |
3905 | x_new_focus_frame (0); | |
da893f1f RS |
3906 | /* EnterNotify counts as mouse movement, |
3907 | so update things that depend on mouse position. */ | |
3908 | if (f) | |
3909 | note_mouse_movement (f, &event.xmotion); | |
3afe33e7 RS |
3910 | #ifdef USE_X_TOOLKIT |
3911 | goto OTHER; | |
3912 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3913 | break; |
3914 | ||
3915 | case FocusIn: | |
1dea5a83 | 3916 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3917 | if (event.xfocus.detail != NotifyPointer) |
3918 | x_focus_event_frame = f; | |
f676886a JB |
3919 | if (f) |
3920 | x_new_focus_frame (f); | |
3afe33e7 RS |
3921 | #ifdef USE_X_TOOLKIT |
3922 | goto OTHER; | |
3923 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3924 | break; |
3925 | ||
f451eb13 | 3926 | |
dc6f92b8 | 3927 | case LeaveNotify: |
10c5e63d KH |
3928 | f = x_top_window_to_frame (event.xcrossing.window); |
3929 | if (f) | |
f451eb13 | 3930 | { |
10c5e63d KH |
3931 | if (f == mouse_face_mouse_frame) |
3932 | /* If we move outside the frame, | |
3933 | then we're certainly no longer on any text in the frame. */ | |
3934 | clear_mouse_face (); | |
3935 | ||
3936 | if (event.xcrossing.focus) | |
3937 | { | |
3938 | if (! x_focus_event_frame) | |
3939 | x_new_focus_frame (0); | |
3940 | else | |
3941 | x_new_focus_frame (f); | |
3942 | } | |
3943 | else | |
3944 | { | |
3945 | if (f == x_focus_event_frame) | |
3946 | x_focus_event_frame = 0; | |
3947 | if (f == x_focus_frame) | |
3948 | x_new_focus_frame (0); | |
3949 | } | |
dc6f92b8 | 3950 | } |
3afe33e7 RS |
3951 | #ifdef USE_X_TOOLKIT |
3952 | goto OTHER; | |
3953 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3954 | break; |
3955 | ||
3956 | case FocusOut: | |
1dea5a83 | 3957 | f = x_any_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3958 | if (event.xfocus.detail != NotifyPointer |
3959 | && f == x_focus_event_frame) | |
3960 | x_focus_event_frame = 0; | |
f676886a JB |
3961 | if (f && f == x_focus_frame) |
3962 | x_new_focus_frame (0); | |
3afe33e7 RS |
3963 | #ifdef USE_X_TOOLKIT |
3964 | goto OTHER; | |
3965 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3966 | break; |
3967 | ||
c118dd06 | 3968 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3969 | |
3970 | case EnterWindow: | |
3971 | if ((event.detail & 0xFF) == 1) | |
3972 | break; /* Coming from our own subwindow */ | |
3973 | if (event.subwindow != 0) | |
3974 | break; /* Entering our own subwindow. */ | |
3975 | ||
3976 | { | |
f676886a JB |
3977 | f = x_window_to_frame (event.window); |
3978 | x_mouse_frame = f; | |
dc6f92b8 | 3979 | |
f676886a | 3980 | x_new_focus_frame (f); |
dc6f92b8 JB |
3981 | } |
3982 | break; | |
3983 | ||
3984 | case LeaveWindow: | |
3985 | if ((event.detail & 0xFF) == 1) | |
3986 | break; /* Entering our own subwindow */ | |
3987 | if (event.subwindow != 0) | |
3988 | break; /* Leaving our own subwindow. */ | |
3989 | ||
f676886a JB |
3990 | x_mouse_frame = 0; |
3991 | if (x_focus_frame == 0 | |
3992 | && x_input_frame != 0 | |
3993 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3994 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3995 | { |
f676886a JB |
3996 | f = x_input_frame; |
3997 | x_input_frame = 0; | |
3998 | if (f) | |
3999 | frame_unhighlight (f); | |
dc6f92b8 JB |
4000 | } |
4001 | break; | |
c118dd06 | 4002 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4003 | |
4004 | #ifdef HAVE_X11 | |
4005 | case MotionNotify: | |
4006 | { | |
06ef4a3f | 4007 | if (x_mouse_grabbed && FRAME_LIVE_P (last_mouse_frame)) |
69388238 RS |
4008 | f = last_mouse_frame; |
4009 | else | |
4010 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 4011 | if (f) |
12ba150f | 4012 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 4013 | else |
dc6f92b8 | 4014 | { |
69388238 RS |
4015 | struct scroll_bar *bar |
4016 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
4017 | |
4018 | if (bar) | |
ab648270 | 4019 | x_scroll_bar_note_movement (bar, &event); |
b8009dd1 RS |
4020 | |
4021 | /* If we move outside the frame, | |
4022 | then we're certainly no longer on any text in the frame. */ | |
4023 | clear_mouse_face (); | |
dc6f92b8 | 4024 | } |
dc6f92b8 | 4025 | } |
0a178815 RS |
4026 | #if 0 /* This should be unnecessary, since the toolkit has no use |
4027 | for motion events that happen outside of the menu event loop, | |
4028 | and it seems to cause the bug that mouse events stop coming | |
4029 | after a while. */ | |
3afe33e7 RS |
4030 | #ifdef USE_X_TOOLKIT |
4031 | goto OTHER; | |
4032 | #endif /* USE_X_TOOLKIT */ | |
0a178815 | 4033 | #endif |
dc6f92b8 JB |
4034 | break; |
4035 | ||
4036 | case ConfigureNotify: | |
13ce2d73 | 4037 | f = x_any_window_to_frame (event.xconfigure.window); |
3afe33e7 | 4038 | #ifdef USE_X_TOOLKIT |
13ce2d73 | 4039 | if (f |
3a35ab44 | 4040 | #if 0 |
13ce2d73 | 4041 | && ! event.xconfigure.send_event |
3a35ab44 | 4042 | #endif |
13ce2d73 FP |
4043 | && (event.xconfigure.window == XtWindow (f->display.x->widget))) |
4044 | { | |
4045 | Window win, child; | |
4046 | int win_x, win_y; | |
4047 | ||
4048 | /* Find the position of the outside upper-left corner of | |
4049 | the window, in the root coordinate system. Don't | |
4050 | refer to the parent window here; we may be processing | |
4051 | this event after the window manager has changed our | |
4052 | parent, but before we have reached the ReparentNotify. */ | |
4053 | XTranslateCoordinates (x_current_display, | |
4054 | ||
4055 | /* From-window, to-window. */ | |
4056 | XtWindow (f->display.x->widget), | |
4057 | ROOT_WINDOW, | |
4058 | ||
4059 | /* From-position, to-position. */ | |
4060 | -event.xconfigure.border_width, | |
4061 | -event.xconfigure.border_width, | |
4062 | &win_x, &win_y, | |
4063 | ||
4064 | /* Child of win. */ | |
4065 | &child); | |
4066 | event.xconfigure.x = win_x; | |
4067 | event.xconfigure.y = win_y; | |
4068 | ||
4069 | f->display.x->pixel_width = event.xconfigure.width; | |
4070 | f->display.x->pixel_height = event.xconfigure.height; | |
4071 | f->display.x->left_pos = event.xconfigure.x; | |
4072 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4073 | |
4074 | /* What we have now is the position of Emacs's own window. | |
4075 | Convert that to the position of the window manager window. */ | |
4076 | { | |
4077 | int x, y; | |
4078 | x_real_positions (f, &x, &y); | |
4079 | f->display.x->left_pos = x; | |
4080 | f->display.x->top_pos = y; | |
4081 | } | |
13ce2d73 FP |
4082 | } |
4083 | goto OTHER; | |
3afe33e7 | 4084 | #else /* not USE_X_TOOLKIT */ |
dbc4e1c1 JB |
4085 | if (f) |
4086 | { | |
4087 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
4088 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
4089 | ||
4090 | /* Even if the number of character rows and columns has | |
4091 | not changed, the font size may have changed, so we need | |
4092 | to check the pixel dimensions as well. */ | |
4093 | if (columns != f->width | |
4094 | || rows != f->height | |
4095 | || event.xconfigure.width != f->display.x->pixel_width | |
4096 | || event.xconfigure.height != f->display.x->pixel_height) | |
4097 | { | |
4098 | change_frame_size (f, rows, columns, 0, 1); | |
4099 | SET_FRAME_GARBAGED (f); | |
4100 | } | |
dc6f92b8 | 4101 | |
3bd330d4 | 4102 | if (! event.xconfigure.send_event) |
af395ec1 RS |
4103 | { |
4104 | Window win, child; | |
4105 | int win_x, win_y; | |
4106 | ||
6cc35d86 JB |
4107 | /* Find the position of the outside upper-left corner of |
4108 | the window, in the root coordinate system. Don't | |
4109 | refer to the parent window here; we may be processing | |
4110 | this event after the window manager has changed our | |
4111 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
4112 | XTranslateCoordinates (x_current_display, |
4113 | ||
4114 | /* From-window, to-window. */ | |
6cc35d86 | 4115 | f->display.x->window_desc, |
3bd330d4 | 4116 | ROOT_WINDOW, |
af395ec1 RS |
4117 | |
4118 | /* From-position, to-position. */ | |
6cc35d86 JB |
4119 | -event.xconfigure.border_width, |
4120 | -event.xconfigure.border_width, | |
af395ec1 RS |
4121 | &win_x, &win_y, |
4122 | ||
4123 | /* Child of win. */ | |
4124 | &child); | |
4125 | event.xconfigure.x = win_x; | |
4126 | event.xconfigure.y = win_y; | |
4127 | } | |
4128 | ||
dbc4e1c1 JB |
4129 | f->display.x->pixel_width = event.xconfigure.width; |
4130 | f->display.x->pixel_height = event.xconfigure.height; | |
4131 | f->display.x->left_pos = event.xconfigure.x; | |
4132 | f->display.x->top_pos = event.xconfigure.y; | |
3a35ab44 RS |
4133 | |
4134 | /* What we have now is the position of Emacs's own window. | |
4135 | Convert that to the position of the window manager window. */ | |
4136 | { | |
4137 | int x, y; | |
4138 | x_real_positions (f, &x, &y); | |
4139 | f->display.x->left_pos = x; | |
4140 | f->display.x->top_pos = y; | |
4141 | } | |
dbc4e1c1 | 4142 | } |
3afe33e7 | 4143 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 4144 | break; |
dc6f92b8 JB |
4145 | |
4146 | case ButtonPress: | |
4147 | case ButtonRelease: | |
4148 | { | |
4149 | /* If we decide we want to generate an event to be seen | |
4150 | by the rest of Emacs, we put it here. */ | |
4151 | struct input_event emacs_event; | |
4152 | emacs_event.kind = no_event; | |
4153 | ||
9b07615b RS |
4154 | bzero (&compose_status, sizeof (compose_status)); |
4155 | ||
f676886a JB |
4156 | f = x_window_to_frame (event.xbutton.window); |
4157 | if (f) | |
f451eb13 JB |
4158 | { |
4159 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 4160 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 4161 | } |
dc6f92b8 | 4162 | else |
f451eb13 | 4163 | { |
ab648270 JB |
4164 | struct scroll_bar *bar = |
4165 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
4166 | |
4167 | if (bar) | |
ab648270 | 4168 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
4169 | #ifdef USE_X_TOOLKIT |
4170 | else | |
4171 | { | |
4172 | f = x_any_window_to_frame (event.xbutton.window); | |
4173 | if (f && event.type == ButtonPress) | |
4174 | construct_menu_click (&emacs_event, | |
4175 | &event, f); | |
4176 | } | |
4177 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 4178 | } |
dc6f92b8 JB |
4179 | |
4180 | if (numchars >= 1 && emacs_event.kind != no_event) | |
4181 | { | |
4182 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
4183 | bufp++; | |
4184 | count++; | |
4185 | numchars--; | |
4186 | } | |
3afe33e7 RS |
4187 | |
4188 | #ifdef USE_X_TOOLKIT | |
4189 | goto OTHER; | |
4190 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4191 | } |
4192 | break; | |
4193 | ||
c118dd06 | 4194 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4195 | case ButtonPressed: |
4196 | case ButtonReleased: | |
f676886a JB |
4197 | f = x_window_to_frame (event.window); |
4198 | if (f) | |
dc6f92b8 | 4199 | { |
f676886a | 4200 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 4201 | { |
f676886a | 4202 | x_make_frame_visible (f); |
dc6f92b8 JB |
4203 | |
4204 | if (warp_mouse_on_deiconify) | |
c118dd06 | 4205 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
4206 | break; |
4207 | } | |
c118dd06 | 4208 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 4209 | { |
f676886a JB |
4210 | if (f->auto_raise) |
4211 | x_raise_frame (f); | |
dc6f92b8 JB |
4212 | } |
4213 | } | |
4214 | enqueue_event (&event, &x_mouse_queue); | |
4215 | if (numchars >= 2) | |
4216 | { | |
4217 | bufp->kind = ascii_keystroke; | |
69388238 | 4218 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 4219 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4220 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4221 | bufp++; |
4222 | ||
4223 | bufp->kind = ascii_keystroke; | |
69388238 | 4224 | bufp->code = 0; /* C-@ */ |
12ba150f | 4225 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 4226 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
4227 | bufp++; |
4228 | ||
4229 | count += 2; | |
4230 | numchars -= 2; | |
4231 | } | |
4232 | break; | |
c118dd06 | 4233 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4234 | |
4235 | #ifdef HAVE_X11 | |
4236 | ||
4237 | case CirculateNotify: | |
4238 | break; | |
4239 | case CirculateRequest: | |
4240 | break; | |
4241 | ||
c118dd06 | 4242 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4243 | |
4244 | case MappingNotify: | |
11edeb03 JB |
4245 | /* Someone has changed the keyboard mapping - update the |
4246 | local cache. */ | |
4247 | switch (event.xmapping.request) | |
4248 | { | |
4249 | case MappingModifier: | |
4250 | x_find_modifier_meanings (); | |
4251 | /* This is meant to fall through. */ | |
4252 | case MappingKeyboard: | |
4253 | XRefreshKeyboardMapping (&event.xmapping); | |
4254 | } | |
3afe33e7 RS |
4255 | #ifdef USE_X_TOOLKIT |
4256 | goto OTHER; | |
4257 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4258 | break; |
4259 | ||
4260 | default: | |
3afe33e7 RS |
4261 | #ifdef USE_X_TOOLKIT |
4262 | OTHER: | |
4263 | BLOCK_INPUT; | |
4264 | XtDispatchEvent (&event); | |
4265 | UNBLOCK_INPUT; | |
4266 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
4267 | break; |
4268 | } | |
4269 | } | |
4270 | ||
502add23 RS |
4271 | #ifdef X_IO_BUG |
4272 | if (! event_found) | |
4273 | /* On some systems, an X bug causes Emacs to get no more events | |
7071e5dd | 4274 | when the window is destroyed. Detect that. (1994.) */ |
502add23 RS |
4275 | XNoOp (x_current_display); |
4276 | #endif /* X_IO_BUG */ | |
4277 | ||
7071e5dd RS |
4278 | #if 0 /* This fails for serial-line connections to the X server, |
4279 | because the characters arrive one by one, and a partial | |
4280 | command makes select return but gives nothing to read. | |
4281 | We'll have to hope that the bug that this tried to fix | |
4282 | in 1988 has been fixed in Xlib or the X server. */ | |
dc6f92b8 JB |
4283 | #ifdef HAVE_SELECT |
4284 | if (expected && ! event_found) | |
4285 | { | |
4286 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
4287 | there is an EOF condition; in other words, that X has died. | |
4288 | Act as if there had been a hangup. */ | |
dc6f92b8 | 4289 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 4290 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 4291 | EMACS_TIME timeout; |
dc6f92b8 | 4292 | |
61c3ce62 RS |
4293 | FD_ZERO (&mask); |
4294 | FD_SET (fd, &mask); | |
66f55a9d | 4295 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
4296 | FD_ZERO (&junk1); |
4297 | FD_ZERO (&junk2); | |
4298 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
4299 | && !XStuffPending ()) |
4300 | kill (getpid (), SIGHUP); | |
4301 | } | |
61c3ce62 | 4302 | #endif /* HAVE_SELECT */ |
7071e5dd | 4303 | #endif /* 0 */ |
dc6f92b8 | 4304 | |
f451eb13 | 4305 | #ifndef HAVE_X11 |
f676886a | 4306 | if (updating_frame == 0) |
dc6f92b8 | 4307 | x_do_pending_expose (); |
f451eb13 | 4308 | #endif |
dc6f92b8 | 4309 | |
0134a210 RS |
4310 | /* If the focus was just given to an autoraising frame, |
4311 | raise it now. */ | |
4312 | #ifdef HAVE_X11 | |
4313 | if (pending_autoraise_frame) | |
4314 | { | |
4315 | x_raise_frame (pending_autoraise_frame); | |
4316 | pending_autoraise_frame = 0; | |
4317 | } | |
4318 | #endif | |
4319 | ||
dc6f92b8 JB |
4320 | UNBLOCK_INPUT; |
4321 | return count; | |
4322 | } | |
4323 | ||
4324 | #ifndef HAVE_X11 | |
4325 | /* Read and process only Expose events | |
4326 | until we get an ExposeCopy event; then return. | |
4327 | This is used in insert/delete line. | |
4328 | We assume input is already blocked. */ | |
4329 | ||
4330 | static void | |
4331 | x_read_exposes () | |
4332 | { | |
f676886a | 4333 | struct frame *f; |
dc6f92b8 JB |
4334 | XKeyPressedEvent event; |
4335 | ||
4336 | while (1) | |
4337 | { | |
4338 | /* while there are more events*/ | |
4339 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
4340 | switch (event.type) | |
4341 | { | |
4342 | case ExposeWindow: | |
4343 | if (event.subwindow != 0) | |
4344 | break; /* duplicate event */ | |
f676886a JB |
4345 | f = x_window_to_frame (event.window); |
4346 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4347 | { |
f676886a | 4348 | refreshicon (f); |
dc6f92b8 JB |
4349 | break; |
4350 | } | |
c118dd06 | 4351 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
4352 | { |
4353 | expose_all_windows = 1; | |
f676886a | 4354 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4355 | break; |
4356 | } | |
4357 | break; | |
4358 | ||
4359 | case ExposeRegion: | |
4360 | if (event.subwindow != 0) | |
4361 | break; /* duplicate event */ | |
f676886a JB |
4362 | f = x_window_to_frame (event.window); |
4363 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 4364 | { |
f676886a | 4365 | refreshicon (f); |
dc6f92b8 JB |
4366 | break; |
4367 | } | |
4368 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 4369 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
4370 | break; |
4371 | /* Put the event on the queue of rectangles to redraw. */ | |
4372 | if (enqueue_event (&event, &x_expose_queue)) | |
4373 | /* If it is full, we can't record the rectangle, | |
4374 | so redraw this entire window. */ | |
4375 | { | |
4376 | /* Say must check all windows' needs_exposure flags. */ | |
4377 | expose_all_windows = 1; | |
f676886a | 4378 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
4379 | } |
4380 | break; | |
4381 | ||
4382 | case ExposeCopy: | |
4383 | return; | |
4384 | } | |
4385 | } | |
4386 | } | |
4387 | #endif /* HAVE_X11 */ | |
4388 | ||
dc6f92b8 | 4389 | \f |
f451eb13 JB |
4390 | /* Drawing the cursor. */ |
4391 | ||
4392 | ||
dc6f92b8 JB |
4393 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
4394 | ||
4395 | static void | |
f676886a JB |
4396 | x_draw_box (f) |
4397 | struct frame *f; | |
dc6f92b8 | 4398 | { |
12ba150f JB |
4399 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
4400 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a | 4401 | int width = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 4402 | int height = f->display.x->line_height; |
dc6f92b8 JB |
4403 | |
4404 | #ifdef HAVE_X11 | |
c118dd06 | 4405 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4406 | f->display.x->cursor_gc, |
dc6f92b8 | 4407 | left, top, width - 1, height - 1); |
c118dd06 JB |
4408 | #else /* ! defined (HAVE_X11) */ |
4409 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 4410 | left, top, width, 1, |
f676886a | 4411 | f->display.x->cursor_pixel); |
dc6f92b8 | 4412 | |
c118dd06 | 4413 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4414 | left, top, 1, height, |
f676886a | 4415 | f->display.x->cursor_pixel); |
dc6f92b8 | 4416 | |
c118dd06 | 4417 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4418 | left+width-1, top, 1, height, |
f676886a | 4419 | f->display.x->cursor_pixel); |
dc6f92b8 | 4420 | |
c118dd06 | 4421 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 4422 | left, top+height-1, width, 1, |
f676886a | 4423 | f->display.x->cursor_pixel); |
c118dd06 | 4424 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4425 | } |
4426 | ||
f676886a | 4427 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
4428 | and mark the cursor as not shown. |
4429 | This is used when the text where the cursor is | |
4430 | is about to be rewritten. */ | |
4431 | ||
4432 | static void | |
f676886a JB |
4433 | clear_cursor (f) |
4434 | struct frame *f; | |
dc6f92b8 JB |
4435 | { |
4436 | int mask; | |
4437 | ||
f451eb13 | 4438 | if (! FRAME_VISIBLE_P (f) |
f676886a | 4439 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
4440 | return; |
4441 | ||
4442 | #ifdef HAVE_X11 | |
f676886a | 4443 | x_display_cursor (f, 0); |
c118dd06 JB |
4444 | #else /* ! defined (HAVE_X11) */ |
4445 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
4446 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
4447 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
a27f9f86 | 4448 | FONT_WIDTH (f->display.x->font), f->display.x->line_height, |
f676886a | 4449 | f->display.x->background_pixel); |
c118dd06 | 4450 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 4451 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
4452 | } |
4453 | ||
f676886a | 4454 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
4455 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
4456 | glyph drawn. */ | |
dc6f92b8 JB |
4457 | |
4458 | static void | |
f676886a JB |
4459 | x_draw_single_glyph (f, row, column, glyph, highlight) |
4460 | struct frame *f; | |
dc6f92b8 | 4461 | int row, column; |
90e65f07 | 4462 | GLYPH glyph; |
dc6f92b8 JB |
4463 | int highlight; |
4464 | { | |
f676886a | 4465 | dumpglyphs (f, |
12ba150f JB |
4466 | CHAR_TO_PIXEL_COL (f, column), |
4467 | CHAR_TO_PIXEL_ROW (f, row), | |
0cdd0c9f | 4468 | &glyph, 1, highlight, 0); |
dc6f92b8 JB |
4469 | } |
4470 | ||
dc6f92b8 | 4471 | static void |
dbc4e1c1 | 4472 | x_display_bar_cursor (f, on) |
f676886a | 4473 | struct frame *f; |
dc6f92b8 JB |
4474 | int on; |
4475 | { | |
f676886a | 4476 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 4477 | |
49d838ea JB |
4478 | /* This is pointless on invisible frames, and dangerous on garbaged |
4479 | frames; in the latter case, the frame may be in the midst of | |
4480 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4481 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
4482 | return; |
4483 | ||
4484 | if (! on && f->phys_cursor_x < 0) | |
4485 | return; | |
4486 | ||
f676886a | 4487 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 4488 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 4489 | if (f != updating_frame) |
1113d9db | 4490 | { |
f676886a JB |
4491 | curs_x = FRAME_CURSOR_X (f); |
4492 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
4493 | } |
4494 | ||
dbc4e1c1 JB |
4495 | /* If there is anything wrong with the current cursor state, remove it. */ |
4496 | if (f->phys_cursor_x >= 0 | |
4497 | && (!on | |
4498 | || f->phys_cursor_x != curs_x | |
4499 | || f->phys_cursor_y != curs_y | |
4500 | || f->display.x->current_cursor != bar_cursor)) | |
4501 | { | |
4502 | /* Erase the cursor by redrawing the character underneath it. */ | |
4503 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
4504 | f->phys_cursor_glyph, | |
4505 | current_glyphs->highlight[f->phys_cursor_y]); | |
4506 | f->phys_cursor_x = -1; | |
4507 | } | |
4508 | ||
4509 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
4510 | if (on | |
4511 | && (f->phys_cursor_x < 0 | |
4512 | || (f->display.x->current_cursor != bar_cursor))) | |
4513 | { | |
4514 | f->phys_cursor_glyph | |
4515 | = ((current_glyphs->enable[curs_y] | |
4516 | && curs_x < current_glyphs->used[curs_y]) | |
4517 | ? current_glyphs->glyphs[curs_y][curs_x] | |
4518 | : SPACEGLYPH); | |
4519 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
4520 | f->display.x->cursor_gc, | |
4521 | CHAR_TO_PIXEL_COL (f, curs_x), | |
4522 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
a27f9f86 | 4523 | 1, f->display.x->line_height); |
dbc4e1c1 JB |
4524 | |
4525 | f->phys_cursor_x = curs_x; | |
4526 | f->phys_cursor_y = curs_y; | |
4527 | ||
4528 | f->display.x->current_cursor = bar_cursor; | |
4529 | } | |
4530 | ||
4531 | if (updating_frame != f) | |
4532 | XFlushQueue (); | |
4533 | } | |
4534 | ||
4535 | ||
4536 | /* Turn the displayed cursor of frame F on or off according to ON. | |
4537 | If ON is nonzero, where to put the cursor is specified | |
4538 | by F->cursor_x and F->cursor_y. */ | |
4539 | ||
4540 | static void | |
4541 | x_display_box_cursor (f, on) | |
4542 | struct frame *f; | |
4543 | int on; | |
4544 | { | |
4545 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
4546 | ||
49d838ea JB |
4547 | /* This is pointless on invisible frames, and dangerous on garbaged |
4548 | frames; in the latter case, the frame may be in the midst of | |
4549 | changing its size, and curs_x and curs_y may be off the frame. */ | |
4550 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
4551 | return; |
4552 | ||
4553 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 4554 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
4555 | return; |
4556 | ||
dbc4e1c1 JB |
4557 | /* If we're not updating, then we want to use the current frame's |
4558 | cursor position, not our local idea of where the cursor ought to be. */ | |
4559 | if (f != updating_frame) | |
4560 | { | |
4561 | curs_x = FRAME_CURSOR_X (f); | |
4562 | curs_y = FRAME_CURSOR_Y (f); | |
4563 | } | |
4564 | ||
dc6f92b8 JB |
4565 | /* If cursor is currently being shown and we don't want it to be |
4566 | or it is in the wrong place, | |
4567 | or we want a hollow box and it's not so, (pout!) | |
4568 | erase it. */ | |
f676886a | 4569 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 4570 | && (!on |
f676886a JB |
4571 | || f->phys_cursor_x != curs_x |
4572 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 4573 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 4574 | && (f != x_highlight_frame)))) |
dc6f92b8 | 4575 | { |
0cdd0c9f RS |
4576 | /* If the font is not as tall as a whole line, |
4577 | we must explicitly clear the line's whole height. */ | |
4578 | if (FONT_HEIGHT (f->display.x->font) != f->display.x->line_height) | |
4579 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
4580 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), | |
4581 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
4582 | FONT_WIDTH (f->display.x->font), | |
4583 | f->display.x->line_height, False); | |
dc6f92b8 | 4584 | /* Erase the cursor by redrawing the character underneath it. */ |
f676886a JB |
4585 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
4586 | f->phys_cursor_glyph, | |
4587 | current_glyphs->highlight[f->phys_cursor_y]); | |
4588 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
4589 | } |
4590 | ||
4591 | /* If we want to show a cursor, | |
4592 | or we want a box cursor and it's not so, | |
4593 | write it in the right place. */ | |
4594 | if (on | |
f676886a | 4595 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 4596 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 4597 | && f == x_highlight_frame))) |
dc6f92b8 | 4598 | { |
f676886a | 4599 | f->phys_cursor_glyph |
1113d9db JB |
4600 | = ((current_glyphs->enable[curs_y] |
4601 | && curs_x < current_glyphs->used[curs_y]) | |
4602 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 4603 | : SPACEGLYPH); |
f676886a | 4604 | if (f != x_highlight_frame) |
dc6f92b8 | 4605 | { |
f676886a | 4606 | x_draw_box (f); |
dbc4e1c1 | 4607 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
4608 | } |
4609 | else | |
4610 | { | |
f676886a JB |
4611 | x_draw_single_glyph (f, curs_y, curs_x, |
4612 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 4613 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
4614 | } |
4615 | ||
f676886a JB |
4616 | f->phys_cursor_x = curs_x; |
4617 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
4618 | } |
4619 | ||
f676886a | 4620 | if (updating_frame != f) |
dc6f92b8 JB |
4621 | XFlushQueue (); |
4622 | } | |
4623 | ||
f676886a JB |
4624 | x_display_cursor (f, on) |
4625 | struct frame *f; | |
dc6f92b8 JB |
4626 | int on; |
4627 | { | |
f94397b5 KH |
4628 | BLOCK_INPUT; |
4629 | ||
dbc4e1c1 | 4630 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 4631 | x_display_box_cursor (f, on); |
dbc4e1c1 | 4632 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 4633 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
4634 | else |
4635 | /* Those are the only two we have implemented! */ | |
4636 | abort (); | |
f94397b5 KH |
4637 | |
4638 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4639 | } |
4640 | \f | |
4641 | /* Icons. */ | |
4642 | ||
f676886a | 4643 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
4644 | when we get an expose event for it. */ |
4645 | ||
f676886a JB |
4646 | refreshicon (f) |
4647 | struct frame *f; | |
dc6f92b8 JB |
4648 | { |
4649 | #ifdef HAVE_X11 | |
4650 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 4651 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4652 | int mask; |
4653 | ||
f676886a JB |
4654 | if (f->display.x->icon_bitmap_flag) |
4655 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
4656 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
4657 | icon_bitmap, GXcopy, AllPlanes); | |
4658 | else | |
4659 | { | |
f676886a | 4660 | extern struct frame *selected_frame; |
dc6f92b8 JB |
4661 | struct Lisp_String *str; |
4662 | unsigned char *string; | |
4663 | ||
4664 | string | |
f676886a | 4665 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 4666 | |
f676886a | 4667 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4668 | { |
f676886a JB |
4669 | f->display.x->icon_label = string; |
4670 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4671 | XQueryWidth (string, icon_font_info->id) + 10, |
4672 | icon_font_info->height + 10); | |
4673 | } | |
4674 | ||
f676886a | 4675 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4676 | str->size, icon_font_info->id, |
4677 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4678 | } | |
4679 | XFlushQueue (); | |
c118dd06 | 4680 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4681 | } |
4682 | ||
dbc4e1c1 | 4683 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4684 | |
4685 | int | |
f676886a JB |
4686 | x_bitmap_icon (f) |
4687 | struct frame *f; | |
dc6f92b8 JB |
4688 | { |
4689 | int mask; | |
4690 | Window icon_window; | |
4691 | ||
c118dd06 | 4692 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4693 | return 1; |
4694 | ||
4695 | #ifdef HAVE_X11 | |
8583db58 RS |
4696 | if (! icon_bitmap) |
4697 | icon_bitmap = | |
4698 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4699 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4700 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4701 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4702 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4703 | if (f->display.x->icon_desc) |
dc6f92b8 | 4704 | { |
c118dd06 | 4705 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4706 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4707 | } |
4708 | ||
f676886a | 4709 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4710 | 0, 0, sink_width, sink_height, |
4711 | 2, WhitePixmap, (Pixmap) NULL); | |
4712 | ||
4713 | if (icon_window == 0) | |
4714 | return 1; | |
4715 | ||
c118dd06 | 4716 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4717 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4718 | ||
f676886a JB |
4719 | f->display.x->icon_desc = icon_window; |
4720 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4721 | |
4722 | if (icon_bitmap == 0) | |
4723 | icon_bitmap | |
4724 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4725 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4726 | |
4727 | return 0; | |
4728 | } | |
4729 | ||
4730 | ||
f676886a | 4731 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4732 | |
4733 | int | |
f676886a JB |
4734 | x_text_icon (f, icon_name) |
4735 | struct frame *f; | |
dc6f92b8 JB |
4736 | char *icon_name; |
4737 | { | |
4738 | #ifndef HAVE_X11 | |
4739 | int mask; | |
4740 | int width; | |
4741 | Window icon_window; | |
4742 | char *X_DefaultValue; | |
4743 | Bitmap b1; | |
4744 | ||
dc6f92b8 JB |
4745 | #ifndef WhitePixel |
4746 | #define WhitePixel 1 | |
c118dd06 | 4747 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4748 | |
4749 | #ifndef BlackPixel | |
4750 | #define BlackPixel 0 | |
c118dd06 JB |
4751 | #endif /* BlackPixel */ |
4752 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4753 | |
c118dd06 | 4754 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4755 | return 1; |
4756 | ||
dc6f92b8 JB |
4757 | #ifdef HAVE_X11 |
4758 | if (icon_name) | |
f676886a | 4759 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4760 | else |
f676886a JB |
4761 | if (! f->display.x->icon_label) |
4762 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4763 | |
dfeccd2d | 4764 | #if 0 |
c118dd06 | 4765 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4766 | (char *) f->display.x->icon_label); |
dfeccd2d | 4767 | #endif |
dc6f92b8 | 4768 | |
f676886a | 4769 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4770 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4771 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4772 | if (icon_font_info == 0) |
4773 | icon_font_info | |
4774 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4775 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4776 | "BodyFont")); |
4777 | ||
f676886a | 4778 | if (f->display.x->icon_desc) |
dc6f92b8 | 4779 | { |
c118dd06 | 4780 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4781 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4782 | } |
4783 | ||
4784 | if (icon_name) | |
f676886a | 4785 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4786 | else |
f676886a JB |
4787 | if (! f->display.x->icon_label) |
4788 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4789 | |
f676886a JB |
4790 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4791 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4792 | f->display.x->left_pos, | |
4793 | f->display.x->top_pos, | |
dc6f92b8 JB |
4794 | width + 10, icon_font_info->height + 10, |
4795 | 2, BlackPixmap, WhitePixmap); | |
4796 | ||
4797 | if (icon_window == 0) | |
4798 | return 1; | |
4799 | ||
c118dd06 | 4800 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4801 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4802 | ||
f676886a JB |
4803 | f->display.x->icon_desc = icon_window; |
4804 | f->display.x->icon_bitmap_flag = 0; | |
4805 | f->display.x->icon_label = 0; | |
c118dd06 | 4806 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4807 | |
4808 | return 0; | |
4809 | } | |
4810 | \f | |
4746118a JB |
4811 | /* Handling X errors. */ |
4812 | ||
12ba150f JB |
4813 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4814 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4815 | |
4746118a | 4816 | static SIGTYPE |
c118dd06 | 4817 | x_connection_closed () |
4746118a JB |
4818 | { |
4819 | if (_Xdebug) | |
4820 | abort (); | |
12ba150f | 4821 | |
1cd2d6d4 | 4822 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4823 | |
4824 | exit (70); | |
4746118a JB |
4825 | } |
4826 | ||
8922af5f JB |
4827 | /* An X error handler which prints an error message and then kills |
4828 | Emacs. This is what's normally installed as Xlib's handler for | |
4829 | protocol errors. */ | |
c118dd06 JB |
4830 | static int |
4831 | x_error_quitter (display, error) | |
4832 | Display *display; | |
4833 | XErrorEvent *error; | |
4834 | { | |
4835 | char buf[256]; | |
dc6f92b8 | 4836 | |
c118dd06 JB |
4837 | /* Note that there is no real way portable across R3/R4 to get the |
4838 | original error handler. */ | |
dc6f92b8 | 4839 | |
c118dd06 JB |
4840 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4841 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4842 | buf, error->request_code); | |
dc6f92b8 | 4843 | |
e09f9351 | 4844 | #if 0 |
12ba150f JB |
4845 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4846 | get an X error, so we can figure out why it happened. */ | |
4847 | abort (); | |
e09f9351 | 4848 | #endif |
12ba150f | 4849 | |
c118dd06 | 4850 | x_connection_closed (); |
dc6f92b8 JB |
4851 | } |
4852 | ||
8922af5f JB |
4853 | /* A handler for X IO errors which prints an error message and then |
4854 | kills Emacs. This is what is always installed as Xlib's handler | |
4855 | for I/O errors. */ | |
4856 | static int | |
4857 | x_io_error_quitter (display) | |
4858 | Display *display; | |
4859 | { | |
4860 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4861 | XDisplayName (DisplayString (display))); | |
4862 | ||
e09f9351 | 4863 | #if 0 |
8922af5f JB |
4864 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4865 | get an X error, so we can figure out why it happened. */ | |
4866 | abort (); | |
e09f9351 | 4867 | #endif |
8922af5f JB |
4868 | |
4869 | x_connection_closed (); | |
4870 | } | |
4871 | ||
c118dd06 | 4872 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4873 | static char *x_caught_error_message; |
4874 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4875 | |
4876 | /* An X error handler which stores the error message in | |
4877 | x_caught_error_message. This is what's installed when | |
4878 | x_catch_errors is in effect. */ | |
4879 | static int | |
4880 | x_error_catcher (display, error) | |
4881 | Display *display; | |
4882 | XErrorEvent *error; | |
4883 | { | |
4884 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4885 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4886 | } |
4887 | ||
4888 | ||
4889 | /* Begin trapping X errors. | |
dc6f92b8 | 4890 | |
c118dd06 JB |
4891 | After calling this function, X protocol errors no longer cause |
4892 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4893 | |
c118dd06 JB |
4894 | Calling x_check_errors signals an Emacs error if an X error has |
4895 | occurred since the last call to x_catch_errors or x_check_errors. | |
4896 | ||
4897 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4898 | ||
bc20ebbf | 4899 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4900 | |
4901 | void | |
4902 | x_catch_errors () | |
dc6f92b8 | 4903 | { |
c118dd06 JB |
4904 | /* Make sure any errors from previous requests have been dealt with. */ |
4905 | XSync (x_current_display, False); | |
dc6f92b8 | 4906 | |
c118dd06 | 4907 | /* Set up the error buffer. */ |
60f9aad3 | 4908 | x_caught_error_message |
cef13e55 RS |
4909 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4910 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4911 | |
c118dd06 JB |
4912 | /* Install our little error handler. */ |
4913 | XHandleError (x_error_catcher); | |
4914 | } | |
16bd92ea | 4915 | |
c118dd06 JB |
4916 | /* If any X protocol errors have arrived since the last call to |
4917 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4918 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
812361a1 | 4919 | |
c118dd06 JB |
4920 | void |
4921 | x_check_errors (format) | |
4922 | char *format; | |
4923 | { | |
4924 | /* Make sure to catch any errors incurred so far. */ | |
4925 | XSync (x_current_display, False); | |
16bd92ea | 4926 | |
cef13e55 | 4927 | if (x_caught_error_message[0]) |
c118dd06 | 4928 | { |
cef13e55 | 4929 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4930 | |
cef13e55 | 4931 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4932 | x_uncatch_errors (); |
4933 | error (buf); | |
4934 | } | |
4935 | } | |
4936 | ||
b849c413 RS |
4937 | /* Nonzero if we had any X protocol errors since we did x_catch_errors. */ |
4938 | ||
4939 | int | |
4940 | x_had_errors_p () | |
4941 | { | |
4942 | /* Make sure to catch any errors incurred so far. */ | |
4943 | XSync (x_current_display, False); | |
4944 | ||
4945 | return x_caught_error_message[0] != 0; | |
4946 | } | |
4947 | ||
812361a1 RS |
4948 | /* Stop catching X protocol errors and let them make Emacs die. */ |
4949 | ||
c118dd06 JB |
4950 | void |
4951 | x_uncatch_errors () | |
4952 | { | |
9ac0d9e0 | 4953 | xfree (x_caught_error_message); |
cef13e55 | 4954 | x_caught_error_message = 0; |
c118dd06 | 4955 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4956 | } |
4957 | ||
dc6f92b8 JB |
4958 | #if 0 |
4959 | static unsigned int x_wire_count; | |
4960 | x_trace_wire () | |
4961 | { | |
4962 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4963 | } | |
c118dd06 | 4964 | #endif /* ! 0 */ |
dc6f92b8 JB |
4965 | |
4966 | \f | |
f451eb13 JB |
4967 | /* Changing the font of the frame. */ |
4968 | ||
f676886a | 4969 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4970 | to the font named NEWNAME. This is safe to use |
f676886a | 4971 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4972 | |
4973 | #ifdef HAVE_X11 | |
4974 | ||
2224a5fc RS |
4975 | struct font_info |
4976 | { | |
4977 | XFontStruct *font; | |
4978 | char *name; | |
4979 | }; | |
4980 | ||
dc6f92b8 | 4981 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4982 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4983 | |
4984 | /* The current capacity of x_font_table. */ | |
4985 | static int x_font_table_size; | |
4986 | ||
4987 | /* The number of fonts actually stored in x_font_table. | |
4988 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4989 | 0 <= n_fonts <= x_font_table_size. */ | |
4990 | static int n_fonts; | |
4991 | ||
b5cf7a0e | 4992 | Lisp_Object |
f676886a JB |
4993 | x_new_font (f, fontname) |
4994 | struct frame *f; | |
dc6f92b8 JB |
4995 | register char *fontname; |
4996 | { | |
dc6f92b8 JB |
4997 | int already_loaded; |
4998 | int n_matching_fonts; | |
4999 | XFontStruct *font_info; | |
5000 | char **font_names; | |
5001 | ||
5002 | /* Get a list of all the fonts that match this name. Once we | |
5003 | have a list of matching fonts, we compare them against the fonts | |
5004 | we already have by comparing font ids. */ | |
2224a5fc RS |
5005 | font_names = (char **) XListFonts (x_current_display, fontname, |
5006 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
5007 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
5008 | find any matches; font_names == 0 is the only clue. */ | |
5009 | if (! font_names) | |
5010 | n_matching_fonts = 0; | |
5011 | ||
5835f860 RS |
5012 | /* Don't just give up if n_matching_fonts is 0. |
5013 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
5014 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 5015 | |
90e65f07 | 5016 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
5017 | already_loaded = -1; |
5018 | if (n_matching_fonts != 0) | |
5019 | { | |
5020 | int i, j; | |
dc6f92b8 | 5021 | |
5835f860 RS |
5022 | for (i = 0; i < n_fonts; i++) |
5023 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 5024 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
5025 | { |
5026 | already_loaded = i; | |
5027 | fontname = font_names[j]; | |
5028 | goto found_font; | |
5029 | } | |
5030 | } | |
dc6f92b8 JB |
5031 | found_font: |
5032 | ||
5033 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
5034 | if (already_loaded >= 0) |
5035 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 5036 | |
dc6f92b8 JB |
5037 | /* Otherwise, load the font and add it to the table. */ |
5038 | else | |
5039 | { | |
9696f58b | 5040 | int i; |
dc6f92b8 JB |
5041 | XFontStruct *font; |
5042 | ||
9696f58b | 5043 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
5044 | #if 0 |
5045 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
5046 | for (i = 0; i < n_matching_fonts; i++) |
5047 | if (! font_info[i].per_char) | |
5048 | break; | |
f126bd67 JB |
5049 | #else |
5050 | i = 0; | |
5051 | #endif | |
9696f58b | 5052 | |
5835f860 RS |
5053 | /* See comment above. */ |
5054 | if (n_matching_fonts != 0) | |
9696f58b JB |
5055 | fontname = font_names[i]; |
5056 | ||
dc6f92b8 JB |
5057 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
5058 | if (! font) | |
5835f860 | 5059 | { |
2224a5fc | 5060 | /* Free the information from XListFonts. */ |
5835f860 | 5061 | if (n_matching_fonts) |
2224a5fc | 5062 | XFreeFontNames (font_names); |
5835f860 RS |
5063 | return Qnil; |
5064 | } | |
dc6f92b8 JB |
5065 | |
5066 | /* Do we need to create the table? */ | |
5067 | if (x_font_table_size == 0) | |
5068 | { | |
5069 | x_font_table_size = 16; | |
5070 | x_font_table | |
2224a5fc RS |
5071 | = (struct font_info *) xmalloc (x_font_table_size |
5072 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
5073 | } |
5074 | /* Do we need to grow the table? */ | |
5075 | else if (n_fonts >= x_font_table_size) | |
5076 | { | |
90e65f07 | 5077 | x_font_table_size *= 2; |
dc6f92b8 | 5078 | x_font_table |
2224a5fc RS |
5079 | = (struct font_info *) xrealloc (x_font_table, |
5080 | (x_font_table_size | |
5081 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
5082 | } |
5083 | ||
dff815ef | 5084 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
5085 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
5086 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 5087 | } |
2224a5fc | 5088 | |
f676886a | 5089 | /* Now make the frame display the given font. */ |
c118dd06 | 5090 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 5091 | { |
f676886a JB |
5092 | XSetFont (x_current_display, f->display.x->normal_gc, |
5093 | f->display.x->font->fid); | |
5094 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
5095 | f->display.x->font->fid); | |
5096 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
5097 | f->display.x->font->fid); | |
5098 | ||
a27f9f86 | 5099 | frame_update_line_height (f); |
0134a210 | 5100 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 | 5101 | } |
a27f9f86 RS |
5102 | else |
5103 | /* If we are setting a new frame's font for the first time, | |
5104 | there are no faces yet, so this font's height is the line height. */ | |
0cdd0c9f | 5105 | f->display.x->line_height = FONT_HEIGHT (f->display.x->font); |
dc6f92b8 | 5106 | |
b5cf7a0e | 5107 | { |
abdda982 | 5108 | Lisp_Object lispy_name; |
b5cf7a0e | 5109 | |
abdda982 | 5110 | lispy_name = build_string (fontname); |
b5cf7a0e | 5111 | |
2224a5fc | 5112 | /* Free the information from XListFonts. The data |
b5cf7a0e | 5113 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 5114 | XFreeFontNames (font_names); |
b5cf7a0e JB |
5115 | |
5116 | return lispy_name; | |
5117 | } | |
dc6f92b8 | 5118 | } |
c118dd06 | 5119 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
5120 | x_new_font (f, newname) |
5121 | struct frame *f; | |
dc6f92b8 JB |
5122 | register char *newname; |
5123 | { | |
5124 | FONT_TYPE *temp; | |
5125 | int mask; | |
5126 | ||
5127 | temp = XGetFont (newname); | |
5128 | if (temp == (FONT_TYPE *) 0) | |
5129 | return 1; | |
5130 | ||
f676886a JB |
5131 | if (f->display.x->font) |
5132 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 5133 | |
f676886a | 5134 | f->display.x->font = temp; |
dc6f92b8 | 5135 | |
c118dd06 | 5136 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 5137 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
5138 | |
5139 | return 0; | |
5140 | } | |
c118dd06 | 5141 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5142 | \f |
43bca5d5 | 5143 | x_calc_absolute_position (f) |
f676886a | 5144 | struct frame *f; |
dc6f92b8 JB |
5145 | { |
5146 | #ifdef HAVE_X11 | |
6dba1858 RS |
5147 | Window win, child; |
5148 | int win_x = 0, win_y = 0; | |
43bca5d5 | 5149 | int flags = f->display.x->size_hint_flags; |
6dba1858 RS |
5150 | |
5151 | /* Find the position of the outside upper-left corner of | |
5152 | the inner window, with respect to the outer window. */ | |
5153 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
5154 | { | |
5155 | BLOCK_INPUT; | |
5156 | XTranslateCoordinates (x_current_display, | |
5157 | ||
5158 | /* From-window, to-window. */ | |
5159 | f->display.x->window_desc, | |
5160 | f->display.x->parent_desc, | |
5161 | ||
5162 | /* From-position, to-position. */ | |
5163 | 0, 0, &win_x, &win_y, | |
5164 | ||
5165 | /* Child of win. */ | |
5166 | &child); | |
5167 | UNBLOCK_INPUT; | |
5168 | } | |
5169 | ||
5170 | /* Treat negative positions as relative to the leftmost bottommost | |
5171 | position that fits on the screen. */ | |
20f55f9a | 5172 | if (flags & XNegative) |
31ea78fd | 5173 | f->display.x->left_pos = (x_screen_width |
69388238 | 5174 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
5175 | - PIXEL_WIDTH (f) |
5176 | + f->display.x->left_pos); | |
dc6f92b8 | 5177 | |
20f55f9a | 5178 | if (flags & YNegative) |
31ea78fd | 5179 | f->display.x->top_pos = (x_screen_height |
69388238 | 5180 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
5181 | - PIXEL_HEIGHT (f) |
5182 | + f->display.x->top_pos); | |
3a35ab44 RS |
5183 | /* The left_pos and top_pos |
5184 | are now relative to the top and left screen edges, | |
5185 | so the flags should correspond. */ | |
5186 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
c118dd06 | 5187 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5188 | WINDOWINFO_TYPE parentinfo; |
5189 | ||
c118dd06 | 5190 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 5191 | |
f676886a JB |
5192 | if (f->display.x->left_pos < 0) |
5193 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
5194 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 5195 | |
f676886a JB |
5196 | if (f->display.x->top_pos < 0) |
5197 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
5198 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 5199 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5200 | } |
5201 | ||
3a35ab44 RS |
5202 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, |
5203 | to really change the position, and 0 when calling from | |
5204 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
5205 | position values). */ | |
5206 | ||
dc05a16b | 5207 | x_set_offset (f, xoff, yoff, change_gravity) |
f676886a | 5208 | struct frame *f; |
dc6f92b8 | 5209 | register int xoff, yoff; |
dc05a16b | 5210 | int change_gravity; |
dc6f92b8 | 5211 | { |
3a35ab44 RS |
5212 | if (change_gravity) |
5213 | { | |
5214 | f->display.x->top_pos = yoff; | |
5215 | f->display.x->left_pos = xoff; | |
5216 | f->display.x->size_hint_flags &= ~ (XNegative | YNegative); | |
5217 | if (xoff < 0) | |
5218 | f->display.x->size_hint_flags |= XNegative; | |
5219 | if (yoff < 0) | |
5220 | f->display.x->size_hint_flags |= YNegative; | |
5221 | f->display.x->win_gravity = NorthWestGravity; | |
5222 | } | |
43bca5d5 | 5223 | x_calc_absolute_position (f); |
dc6f92b8 JB |
5224 | |
5225 | BLOCK_INPUT; | |
3a35ab44 RS |
5226 | x_wm_set_size_hint (f, 0, 0); |
5227 | ||
3afe33e7 RS |
5228 | #ifdef USE_X_TOOLKIT |
5229 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
5230 | f->display.x->left_pos, f->display.x->top_pos); | |
5231 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5232 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 5233 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 5234 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5235 | UNBLOCK_INPUT; |
5236 | } | |
5237 | ||
bc20ebbf FP |
5238 | /* Call this to change the size of frame F's x-window. |
5239 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
5240 | for this size change and subsequent size changes. | |
5241 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 5242 | |
bc20ebbf | 5243 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 5244 | struct frame *f; |
bc20ebbf | 5245 | int change_gravity; |
b1c884c3 | 5246 | int cols, rows; |
dc6f92b8 JB |
5247 | { |
5248 | int pixelwidth, pixelheight; | |
5249 | int mask; | |
dc6f92b8 | 5250 | |
80fd1fe2 FP |
5251 | #ifdef USE_X_TOOLKIT |
5252 | BLOCK_INPUT; | |
3a20653d RS |
5253 | { |
5254 | /* The x and y position of the widget is clobbered by the | |
5255 | call to XtSetValues within EmacsFrameSetCharSize. | |
5256 | This is a real kludge, but I don't understand Xt so I can't | |
5257 | figure out a correct fix. Can anyone else tell me? -- rms. */ | |
5258 | int xpos = f->display.x->widget->core.x; | |
5259 | int ypos = f->display.x->widget->core.y; | |
5260 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
5261 | f->display.x->widget->core.x = xpos; | |
5262 | f->display.x->widget->core.y = ypos; | |
5263 | } | |
80fd1fe2 FP |
5264 | UNBLOCK_INPUT; |
5265 | ||
5266 | #else /* not USE_X_TOOLKIT */ | |
5267 | ||
dc6f92b8 JB |
5268 | BLOCK_INPUT; |
5269 | ||
b1c884c3 | 5270 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
5271 | f->display.x->vertical_scroll_bar_extra |
5272 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5273 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
5274 | : 0); | |
f451eb13 JB |
5275 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
5276 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
5277 | |
5278 | #ifdef HAVE_X11 | |
af31d76f RS |
5279 | f->display.x->win_gravity = NorthWestGravity; |
5280 | x_wm_set_size_hint (f, 0, 0); | |
c118dd06 | 5281 | #endif /* ! defined (HAVE_X11) */ |
0cdd0c9f | 5282 | XSync (x_current_display, False); |
c118dd06 | 5283 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); |
b1c884c3 JB |
5284 | |
5285 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
5286 | but the window manager will get around to dealing with the size | |
5287 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
5288 | ConfigureNotify event gets here. |
5289 | ||
5290 | We could just not bother storing any of this information here, | |
5291 | and let the ConfigureNotify event set everything up, but that | |
5292 | might be kind of confusing to the lisp code, since size changes | |
5293 | wouldn't be reported in the frame parameters until some random | |
5294 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 5295 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
5296 | PIXEL_WIDTH (f) = pixelwidth; |
5297 | PIXEL_HEIGHT (f) = pixelheight; | |
5298 | ||
dbc4e1c1 JB |
5299 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
5300 | receive in the ConfigureNotify event; if we get what we asked | |
5301 | for, then the event won't cause the screen to become garbaged, so | |
5302 | we have to make sure to do it here. */ | |
5303 | SET_FRAME_GARBAGED (f); | |
5304 | ||
dc6f92b8 JB |
5305 | XFlushQueue (); |
5306 | UNBLOCK_INPUT; | |
80fd1fe2 | 5307 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5308 | } |
5309 | ||
5310 | #ifndef HAVE_X11 | |
f676886a JB |
5311 | x_set_resize_hint (f) |
5312 | struct frame *f; | |
dc6f92b8 | 5313 | { |
12ba150f JB |
5314 | XSetResizeHint (FRAME_X_WINDOW (f), |
5315 | 2 * f->display.x->internal_border_width, | |
f676886a | 5316 | 2 * f->display.x->internal_border_width, |
12ba150f | 5317 | FONT_WIDTH (f->display.x->font), |
a27f9f86 | 5318 | f->display.x->line_height); |
dc6f92b8 | 5319 | } |
c118dd06 | 5320 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5321 | \f |
f451eb13 | 5322 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 5323 | |
9b378208 | 5324 | void |
f676886a JB |
5325 | x_set_mouse_position (f, x, y) |
5326 | struct frame *f; | |
dc6f92b8 JB |
5327 | int x, y; |
5328 | { | |
5329 | int pix_x, pix_y; | |
5330 | ||
12ba150f | 5331 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
a27f9f86 | 5332 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->display.x->line_height / 2; |
f451eb13 JB |
5333 | |
5334 | if (pix_x < 0) pix_x = 0; | |
5335 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
5336 | ||
5337 | if (pix_y < 0) pix_y = 0; | |
5338 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
5339 | |
5340 | BLOCK_INPUT; | |
dc6f92b8 | 5341 | |
c118dd06 | 5342 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
5343 | UNBLOCK_INPUT; |
5344 | } | |
5345 | ||
9b378208 RS |
5346 | /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */ |
5347 | ||
5348 | void | |
5349 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
5350 | struct frame *f; | |
5351 | int pix_x, pix_y; | |
5352 | { | |
5353 | BLOCK_INPUT; | |
5354 | ||
5355 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); | |
5356 | UNBLOCK_INPUT; | |
5357 | } | |
5358 | ||
dc6f92b8 | 5359 | #ifdef HAVE_X11 |
f676886a JB |
5360 | x_focus_on_frame (f) |
5361 | struct frame *f; | |
dc6f92b8 | 5362 | { |
1fb20991 | 5363 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 5364 | x_raise_frame (f); |
1fb20991 | 5365 | #endif |
6d4238f3 JB |
5366 | #if 0 |
5367 | /* I don't think that the ICCCM allows programs to do things like this | |
5368 | without the interaction of the window manager. Whatever you end up | |
f676886a | 5369 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 5370 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 5371 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 5372 | #endif /* ! 0 */ |
dc6f92b8 JB |
5373 | } |
5374 | ||
f676886a JB |
5375 | x_unfocus_frame (f) |
5376 | struct frame *f; | |
dc6f92b8 | 5377 | { |
6d4238f3 | 5378 | #if 0 |
f676886a JB |
5379 | /* Look at the remarks in x_focus_on_frame. */ |
5380 | if (x_focus_frame == f) | |
dc6f92b8 JB |
5381 | XSetInputFocus (x_current_display, PointerRoot, |
5382 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 5383 | #endif /* ! 0 */ |
dc6f92b8 JB |
5384 | } |
5385 | ||
c118dd06 | 5386 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5387 | |
f676886a | 5388 | /* Raise frame F. */ |
dc6f92b8 | 5389 | |
f676886a JB |
5390 | x_raise_frame (f) |
5391 | struct frame *f; | |
dc6f92b8 | 5392 | { |
3a88c238 | 5393 | if (f->async_visible) |
dc6f92b8 JB |
5394 | { |
5395 | BLOCK_INPUT; | |
3afe33e7 RS |
5396 | #ifdef USE_X_TOOLKIT |
5397 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5398 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5399 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5400 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5401 | XFlushQueue (); |
5402 | UNBLOCK_INPUT; | |
5403 | } | |
5404 | } | |
5405 | ||
f676886a | 5406 | /* Lower frame F. */ |
dc6f92b8 | 5407 | |
f676886a JB |
5408 | x_lower_frame (f) |
5409 | struct frame *f; | |
dc6f92b8 | 5410 | { |
3a88c238 | 5411 | if (f->async_visible) |
dc6f92b8 JB |
5412 | { |
5413 | BLOCK_INPUT; | |
3afe33e7 RS |
5414 | #ifdef USE_X_TOOLKIT |
5415 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
5416 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5417 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5418 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5419 | XFlushQueue (); |
5420 | UNBLOCK_INPUT; | |
5421 | } | |
5422 | } | |
5423 | ||
dbc4e1c1 JB |
5424 | static void |
5425 | XTframe_raise_lower (f, raise) | |
5426 | FRAME_PTR f; | |
5427 | int raise; | |
5428 | { | |
5429 | if (raise) | |
5430 | x_raise_frame (f); | |
5431 | else | |
5432 | x_lower_frame (f); | |
5433 | } | |
5434 | ||
5435 | ||
dc6f92b8 JB |
5436 | /* Change from withdrawn state to mapped state. */ |
5437 | ||
f676886a JB |
5438 | x_make_frame_visible (f) |
5439 | struct frame *f; | |
dc6f92b8 JB |
5440 | { |
5441 | int mask; | |
5442 | ||
dc6f92b8 | 5443 | BLOCK_INPUT; |
dc6f92b8 | 5444 | |
f676886a | 5445 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
5446 | { |
5447 | #ifdef HAVE_X11 | |
af31d76f | 5448 | #ifndef USE_X_TOOLKIT |
996e89cd | 5449 | x_set_offset (f, f->display.x->left_pos, f->display.x->top_pos, 0); |
af31d76f | 5450 | #endif |
dc05a16b | 5451 | |
90e65f07 | 5452 | if (! EQ (Vx_no_window_manager, Qt)) |
f676886a | 5453 | x_wm_set_window_state (f, NormalState); |
3afe33e7 | 5454 | #ifdef USE_X_TOOLKIT |
d7a38a2e RS |
5455 | /* This was XtPopup, but that did nothing for an iconified frame. */ |
5456 | XtMapWidget (f->display.x->widget); | |
3afe33e7 | 5457 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5458 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 5459 | #endif /* not USE_X_TOOLKIT */ |
0134a210 RS |
5460 | #if 0 /* This seems to bring back scroll bars in the wrong places |
5461 | if the window configuration has changed. They seem | |
5462 | to come back ok without this. */ | |
ab648270 | 5463 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 | 5464 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
0134a210 | 5465 | #endif |
c118dd06 JB |
5466 | #else /* ! defined (HAVE_X11) */ |
5467 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
5468 | if (f->display.x->icon_desc != 0) |
5469 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 5470 | |
90e65f07 | 5471 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
5472 | f->async_visible = 1; |
5473 | f->async_iconified = 0; | |
dc6f92b8 | 5474 | |
f676886a | 5475 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 5476 | XTcursor_to (0, 0); |
c118dd06 | 5477 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 5478 | } |
dc6f92b8 | 5479 | |
dc6f92b8 | 5480 | XFlushQueue (); |
90e65f07 | 5481 | |
dc6f92b8 JB |
5482 | UNBLOCK_INPUT; |
5483 | } | |
5484 | ||
5485 | /* Change from mapped state to withdrawn state. */ | |
5486 | ||
f676886a JB |
5487 | x_make_frame_invisible (f) |
5488 | struct frame *f; | |
dc6f92b8 JB |
5489 | { |
5490 | int mask; | |
5491 | ||
9319ae23 RS |
5492 | /* Don't keep the highlight on an invisible frame. */ |
5493 | if (x_highlight_frame == f) | |
5494 | x_highlight_frame = 0; | |
5495 | ||
5627c40e | 5496 | #if 0/* This might add unreliability; I don't trust it -- rms. */ |
9319ae23 | 5497 | if (! f->async_visible && ! f->async_iconified) |
dc6f92b8 | 5498 | return; |
5627c40e | 5499 | #endif |
dc6f92b8 JB |
5500 | |
5501 | BLOCK_INPUT; | |
c118dd06 | 5502 | |
af31d76f RS |
5503 | /* Before unmapping the window, update the WM_SIZE_HINTS property to claim |
5504 | that the current position of the window is user-specified, rather than | |
5505 | program-specified, so that when the window is mapped again, it will be | |
5506 | placed at the same location, without forcing the user to position it | |
5507 | by hand again (they have already done that once for this window.) */ | |
5508 | x_wm_set_size_hint (f, 0, 1); | |
5509 | ||
c118dd06 JB |
5510 | #ifdef HAVE_X11R4 |
5511 | ||
bc20ebbf | 5512 | #ifdef USE_X_TOOLKIT |
ac7ad037 RS |
5513 | if (! XWithdrawWindow (x_current_display, XtWindow (f->display.x->widget), |
5514 | DefaultScreen (x_current_display))) | |
bc20ebbf | 5515 | #else /* not USE_X_TOOLKIT */ |
c118dd06 JB |
5516 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), |
5517 | DefaultScreen (x_current_display))) | |
5518 | { | |
5519 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 5520 | error ("can't notify window manager of window withdrawal"); |
c118dd06 | 5521 | } |
5627c40e | 5522 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 JB |
5523 | |
5524 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5525 | #ifdef HAVE_X11 |
16bd92ea | 5526 | |
c118dd06 | 5527 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
5528 | if (! EQ (Vx_no_window_manager, Qt)) |
5529 | { | |
16bd92ea | 5530 | XEvent unmap; |
dc6f92b8 | 5531 | |
16bd92ea | 5532 | unmap.xunmap.type = UnmapNotify; |
bc20ebbf FP |
5533 | #ifdef USE_X_TOOLKIT |
5534 | unmap.xunmap.window = XtWindow (f->display.x->widget); | |
5535 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5536 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
bc20ebbf | 5537 | #endif /* not USE_X_TOOLKIT */ |
16bd92ea JB |
5538 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
5539 | unmap.xunmap.from_configure = False; | |
5540 | if (! XSendEvent (x_current_display, | |
5541 | DefaultRootWindow (x_current_display), | |
5542 | False, | |
5543 | SubstructureRedirectMask|SubstructureNotifyMask, | |
5544 | &unmap)) | |
5545 | { | |
5546 | UNBLOCK_INPUT_RESIGNAL; | |
5547 | error ("can't notify window manager of withdrawal"); | |
5548 | } | |
dc6f92b8 JB |
5549 | } |
5550 | ||
16bd92ea | 5551 | /* Unmap the window ourselves. Cheeky! */ |
bc20ebbf FP |
5552 | #ifdef USE_X_TOOLKIT |
5553 | XUnmapWindow (x_current_display, XtWindow (f->display.x->widget)); | |
5554 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 5555 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
bc20ebbf | 5556 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 | 5557 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5558 | |
c118dd06 | 5559 | XUnmapWindow (FRAME_X_WINDOW (f)); |
f676886a | 5560 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
5561 | XUnmapWindow (f->display.x->icon_desc); |
5562 | ||
5563 | #endif /* ! defined (HAVE_X11) */ | |
5564 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 5565 | |
5627c40e RS |
5566 | /* We can't distinguish this from iconification |
5567 | just by the event that we get from the server. | |
5568 | So we can't win using the usual strategy of letting | |
5569 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
5570 | and synchronize with the server to make sure we agree. */ | |
5571 | f->visible = 0; | |
5572 | FRAME_ICONIFIED_P (f) = 0; | |
5573 | f->async_visible = 0; | |
5574 | f->async_iconified = 0; | |
5575 | ||
5576 | x_sync (); | |
5577 | ||
dc6f92b8 JB |
5578 | UNBLOCK_INPUT; |
5579 | } | |
5580 | ||
dc6f92b8 JB |
5581 | /* Change window state from mapped to iconified. */ |
5582 | ||
f676886a JB |
5583 | x_iconify_frame (f) |
5584 | struct frame *f; | |
dc6f92b8 JB |
5585 | { |
5586 | int mask; | |
3afe33e7 | 5587 | int result; |
dc6f92b8 | 5588 | |
9319ae23 RS |
5589 | /* Don't keep the highlight on an invisible frame. */ |
5590 | if (x_highlight_frame == f) | |
5591 | x_highlight_frame = 0; | |
5592 | ||
3a88c238 | 5593 | if (f->async_iconified) |
dc6f92b8 JB |
5594 | return; |
5595 | ||
3afe33e7 RS |
5596 | #ifdef USE_X_TOOLKIT |
5597 | BLOCK_INPUT; | |
5598 | result = XIconifyWindow (x_current_display, | |
bc20ebbf | 5599 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
5600 | DefaultScreen (x_current_display)); |
5601 | UNBLOCK_INPUT; | |
5602 | ||
5603 | if (!result) | |
5604 | error ("Can't notify window manager of iconification."); | |
5605 | ||
5606 | f->async_iconified = 1; | |
8c002a25 KH |
5607 | |
5608 | BLOCK_INPUT; | |
5609 | XFlushQueue (); | |
5610 | UNBLOCK_INPUT; | |
3afe33e7 RS |
5611 | #else /* not USE_X_TOOLKIT */ |
5612 | ||
dc6f92b8 JB |
5613 | BLOCK_INPUT; |
5614 | ||
5615 | #ifdef HAVE_X11 | |
16bd92ea JB |
5616 | /* Since we don't know which revision of X we're running, we'll use both |
5617 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
5618 | ||
5619 | /* X11R4: send a ClientMessage to the window manager using the | |
5620 | WM_CHANGE_STATE type. */ | |
5621 | { | |
5622 | XEvent message; | |
5623 | ||
c118dd06 | 5624 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
5625 | message.xclient.type = ClientMessage; |
5626 | message.xclient.message_type = Xatom_wm_change_state; | |
5627 | message.xclient.format = 32; | |
5628 | message.xclient.data.l[0] = IconicState; | |
5629 | ||
5630 | if (! XSendEvent (x_current_display, | |
5631 | DefaultRootWindow (x_current_display), | |
5632 | False, | |
5633 | SubstructureRedirectMask | SubstructureNotifyMask, | |
5634 | &message)) | |
dc6f92b8 JB |
5635 | { |
5636 | UNBLOCK_INPUT_RESIGNAL; | |
5637 | error ("Can't notify window manager of iconification."); | |
5638 | } | |
16bd92ea | 5639 | } |
dc6f92b8 | 5640 | |
16bd92ea JB |
5641 | /* X11R3: set the initial_state field of the window manager hints to |
5642 | IconicState. */ | |
5643 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 5644 | |
a9c00105 RS |
5645 | if (!FRAME_VISIBLE_P (f)) |
5646 | { | |
5647 | /* If the frame was withdrawn, before, we must map it. */ | |
5648 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
0134a210 | 5649 | #if 0 /* We don't have subwindows in the icon. */ |
a9c00105 RS |
5650 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
5651 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
0134a210 | 5652 | #endif |
a9c00105 RS |
5653 | } |
5654 | ||
3a88c238 | 5655 | f->async_iconified = 1; |
c118dd06 JB |
5656 | #else /* ! defined (HAVE_X11) */ |
5657 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 5658 | |
3a88c238 | 5659 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 5660 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 5661 | { |
f676886a JB |
5662 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
5663 | refreshicon (f); | |
dc6f92b8 | 5664 | } |
c118dd06 | 5665 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
5666 | |
5667 | XFlushQueue (); | |
5668 | UNBLOCK_INPUT; | |
8c002a25 | 5669 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
5670 | } |
5671 | ||
c0ff3fab | 5672 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 5673 | |
c0ff3fab | 5674 | x_destroy_window (f) |
f676886a | 5675 | struct frame *f; |
dc6f92b8 | 5676 | { |
dc6f92b8 | 5677 | BLOCK_INPUT; |
c0ff3fab JB |
5678 | |
5679 | if (f->display.x->icon_desc != 0) | |
5680 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
5681 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
5682 | #ifdef USE_X_TOOLKIT |
5683 | XtDestroyWidget (f->display.x->widget); | |
9d7e2e3e | 5684 | free_frame_menubar (f); |
3afe33e7 RS |
5685 | #endif /* USE_X_TOOLKIT */ |
5686 | ||
07e34cb0 | 5687 | free_frame_faces (f); |
dc6f92b8 | 5688 | XFlushQueue (); |
dc6f92b8 | 5689 | |
9ac0d9e0 | 5690 | xfree (f->display.x); |
c0ff3fab | 5691 | f->display.x = 0; |
f676886a JB |
5692 | if (f == x_focus_frame) |
5693 | x_focus_frame = 0; | |
5694 | if (f == x_highlight_frame) | |
5695 | x_highlight_frame = 0; | |
c0ff3fab | 5696 | |
0134a210 | 5697 | if (f == mouse_face_mouse_frame) |
dc05a16b | 5698 | { |
3b506386 KH |
5699 | mouse_face_beg_row = mouse_face_beg_col = -1; |
5700 | mouse_face_end_row = mouse_face_end_col = -1; | |
dc05a16b RS |
5701 | mouse_face_window = Qnil; |
5702 | } | |
0134a210 | 5703 | |
c0ff3fab | 5704 | UNBLOCK_INPUT; |
dc6f92b8 JB |
5705 | } |
5706 | \f | |
f451eb13 JB |
5707 | /* Manage event queues for X10. */ |
5708 | ||
dc6f92b8 JB |
5709 | #ifndef HAVE_X11 |
5710 | ||
5711 | /* Manage event queues. | |
5712 | ||
5713 | This code is only used by the X10 support. | |
5714 | ||
5715 | We cannot leave events in the X queue and get them when we are ready | |
5716 | because X does not provide a subroutine to get only a certain kind | |
5717 | of event but not block if there are no queued events of that kind. | |
5718 | ||
5719 | Therefore, we must examine events as they come in and copy events | |
5720 | of certain kinds into our private queues. | |
5721 | ||
5722 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 5723 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
5724 | |
5725 | ||
5726 | /* Write the event *P_XREP into the event queue *QUEUE. | |
5727 | If the queue is full, do nothing, but return nonzero. */ | |
5728 | ||
5729 | int | |
5730 | enqueue_event (p_xrep, queue) | |
5731 | register XEvent *p_xrep; | |
5732 | register struct event_queue *queue; | |
5733 | { | |
5734 | int newindex = queue->windex + 1; | |
5735 | if (newindex == EVENT_BUFFER_SIZE) | |
5736 | newindex = 0; | |
5737 | if (newindex == queue->rindex) | |
5738 | return -1; | |
5739 | queue->xrep[queue->windex] = *p_xrep; | |
5740 | queue->windex = newindex; | |
5741 | return 0; | |
5742 | } | |
5743 | ||
5744 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
5745 | If *QUEUE is empty, do nothing and return 0. */ | |
5746 | ||
5747 | int | |
5748 | dequeue_event (p_xrep, queue) | |
5749 | register XEvent *p_xrep; | |
5750 | register struct event_queue *queue; | |
5751 | { | |
5752 | if (queue->windex == queue->rindex) | |
5753 | return 0; | |
5754 | *p_xrep = queue->xrep[queue->rindex++]; | |
5755 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
5756 | queue->rindex = 0; | |
5757 | return 1; | |
5758 | } | |
5759 | ||
5760 | /* Return the number of events buffered in *QUEUE. */ | |
5761 | ||
5762 | int | |
5763 | queue_event_count (queue) | |
5764 | register struct event_queue *queue; | |
5765 | { | |
5766 | int tem = queue->windex - queue->rindex; | |
5767 | if (tem >= 0) | |
5768 | return tem; | |
5769 | return EVENT_BUFFER_SIZE + tem; | |
5770 | } | |
5771 | ||
5772 | /* Return nonzero if mouse input is pending. */ | |
5773 | ||
5774 | int | |
5775 | mouse_event_pending_p () | |
5776 | { | |
5777 | return queue_event_count (&x_mouse_queue); | |
5778 | } | |
c118dd06 | 5779 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5780 | \f |
f451eb13 JB |
5781 | /* Setting window manager hints. */ |
5782 | ||
dc6f92b8 JB |
5783 | #ifdef HAVE_X11 |
5784 | ||
af31d76f RS |
5785 | /* Set the normal size hints for the window manager, for frame F. |
5786 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
5787 | that the window now has. | |
5788 | If USER_POSITION is nonzero, we set the USPosition | |
5789 | flag (this is useful when FLAGS is 0). */ | |
6dba1858 | 5790 | |
af31d76f | 5791 | x_wm_set_size_hint (f, flags, user_position) |
f676886a | 5792 | struct frame *f; |
af31d76f RS |
5793 | long flags; |
5794 | int user_position; | |
dc6f92b8 JB |
5795 | { |
5796 | XSizeHints size_hints; | |
3afe33e7 RS |
5797 | |
5798 | #ifdef USE_X_TOOLKIT | |
7e4f2521 FP |
5799 | Arg al[2]; |
5800 | int ac = 0; | |
5801 | Dimension widget_width, widget_height; | |
bc20ebbf | 5802 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5803 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5804 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5805 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5806 | |
b72a58fd RS |
5807 | /* Setting PMaxSize caused various problems. */ |
5808 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; | |
dc6f92b8 | 5809 | |
f676886a JB |
5810 | flexlines = f->height; |
5811 | ||
5812 | size_hints.x = f->display.x->left_pos; | |
5813 | size_hints.y = f->display.x->top_pos; | |
7553a6b7 | 5814 | |
7e4f2521 FP |
5815 | #ifdef USE_X_TOOLKIT |
5816 | XtSetArg (al[ac], XtNwidth, &widget_width); ac++; | |
5817 | XtSetArg (al[ac], XtNheight, &widget_height); ac++; | |
5818 | XtGetValues (f->display.x->column_widget, al, ac); | |
5819 | size_hints.height = widget_height; | |
5820 | size_hints.width = widget_width; | |
5821 | #else /* not USE_X_TOOLKIT */ | |
f676886a JB |
5822 | size_hints.height = PIXEL_HEIGHT (f); |
5823 | size_hints.width = PIXEL_WIDTH (f); | |
7e4f2521 | 5824 | #endif /* not USE_X_TOOLKIT */ |
7553a6b7 | 5825 | |
f676886a | 5826 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); |
a27f9f86 | 5827 | size_hints.height_inc = f->display.x->line_height; |
7553a6b7 RS |
5828 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5829 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
0134a210 | 5830 | |
b1c884c3 | 5831 | { |
b0342f17 | 5832 | int base_width, base_height; |
0134a210 | 5833 | int min_rows = 0, min_cols = 0; |
b0342f17 | 5834 | |
f451eb13 JB |
5835 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5836 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 | 5837 | |
0134a210 | 5838 | check_frame_size (f, &min_rows, &min_cols); |
b0342f17 | 5839 | |
0134a210 RS |
5840 | /* The window manager uses the base width hints to calculate the |
5841 | current number of rows and columns in the frame while | |
5842 | resizing; min_width and min_height aren't useful for this | |
5843 | purpose, since they might not give the dimensions for a | |
5844 | zero-row, zero-column frame. | |
5845 | ||
5846 | We use the base_width and base_height members if we have | |
5847 | them; otherwise, we set the min_width and min_height members | |
5848 | to the size for a zero x zero frame. */ | |
b0342f17 JB |
5849 | |
5850 | #ifdef HAVE_X11R4 | |
0134a210 RS |
5851 | size_hints.flags |= PBaseSize; |
5852 | size_hints.base_width = base_width; | |
5853 | size_hints.base_height = base_height; | |
5854 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5855 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
b0342f17 | 5856 | #else |
0134a210 RS |
5857 | size_hints.min_width = base_width; |
5858 | size_hints.min_height = base_height; | |
b0342f17 | 5859 | #endif |
b1c884c3 | 5860 | } |
dc6f92b8 | 5861 | |
af31d76f RS |
5862 | if (flags) |
5863 | size_hints.flags |= flags; | |
dc6f92b8 JB |
5864 | else |
5865 | { | |
5866 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
af31d76f RS |
5867 | long supplied_return; |
5868 | int value; | |
5869 | ||
5870 | #ifdef HAVE_X11R4 | |
5871 | value = XGetWMNormalHints (x_current_display, window, &hints, | |
5872 | &supplied_return); | |
5873 | #else | |
5874 | value = XGetNormalHints (x_current_display, window, &hints); | |
5875 | #endif | |
dc6f92b8 | 5876 | |
af31d76f | 5877 | if (value == 0) |
82ee0df4 | 5878 | hints.flags = 0; |
dc6f92b8 JB |
5879 | if (hints.flags & PSize) |
5880 | size_hints.flags |= PSize; | |
5881 | if (hints.flags & PPosition) | |
5882 | size_hints.flags |= PPosition; | |
5883 | if (hints.flags & USPosition) | |
5884 | size_hints.flags |= USPosition; | |
5885 | if (hints.flags & USSize) | |
5886 | size_hints.flags |= USSize; | |
5887 | } | |
0134a210 | 5888 | |
af31d76f | 5889 | #ifdef PWinGravity |
dc05a16b | 5890 | size_hints.win_gravity = f->display.x->win_gravity; |
af31d76f | 5891 | size_hints.flags |= PWinGravity; |
dc05a16b | 5892 | |
af31d76f | 5893 | if (user_position) |
6dba1858 | 5894 | { |
af31d76f RS |
5895 | size_hints.flags &= ~ PPosition; |
5896 | size_hints.flags |= USPosition; | |
6dba1858 | 5897 | } |
2554751d | 5898 | #endif /* PWinGravity */ |
6dba1858 | 5899 | |
b0342f17 JB |
5900 | #ifdef HAVE_X11R4 |
5901 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5902 | #else | |
dc6f92b8 | 5903 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5904 | #endif |
dc6f92b8 JB |
5905 | } |
5906 | ||
5907 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5908 | x_wm_set_window_state (f, state) |
5909 | struct frame *f; | |
dc6f92b8 JB |
5910 | int state; |
5911 | { | |
3afe33e7 | 5912 | #ifdef USE_X_TOOLKIT |
bc20ebbf | 5913 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5914 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5915 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5916 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5917 | |
16bd92ea JB |
5918 | f->display.x->wm_hints.flags |= StateHint; |
5919 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5920 | |
16bd92ea | 5921 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5922 | } |
5923 | ||
f676886a JB |
5924 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5925 | struct frame *f; | |
dc6f92b8 JB |
5926 | Pixmap icon_pixmap; |
5927 | { | |
c118dd06 | 5928 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5929 | |
dbc4e1c1 JB |
5930 | if (icon_pixmap) |
5931 | { | |
5932 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5933 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5934 | } | |
5935 | else | |
5936 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 5937 | |
16bd92ea | 5938 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5939 | } |
5940 | ||
f676886a JB |
5941 | x_wm_set_icon_position (f, icon_x, icon_y) |
5942 | struct frame *f; | |
dc6f92b8 JB |
5943 | int icon_x, icon_y; |
5944 | { | |
c118dd06 | 5945 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5946 | |
16bd92ea JB |
5947 | f->display.x->wm_hints.flags |= IconPositionHint; |
5948 | f->display.x->wm_hints.icon_x = icon_x; | |
5949 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5950 | |
16bd92ea | 5951 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5952 | } |
5953 | ||
5954 | \f | |
f451eb13 JB |
5955 | /* Initialization. */ |
5956 | ||
3afe33e7 RS |
5957 | #ifdef USE_X_TOOLKIT |
5958 | static XrmOptionDescRec emacs_options[] = { | |
5959 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5960 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5961 | ||
5962 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5963 | XrmoptionSepArg, NULL}, | |
5964 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5965 | ||
5966 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5967 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5968 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5969 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5970 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5971 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5972 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5973 | }; | |
5974 | #endif /* USE_X_TOOLKIT */ | |
5975 | ||
dc6f92b8 JB |
5976 | void |
5977 | x_term_init (display_name) | |
5978 | char *display_name; | |
5979 | { | |
f676886a | 5980 | Lisp_Object frame; |
dc6f92b8 | 5981 | char *defaultvalue; |
3afe33e7 RS |
5982 | int argc = 0; |
5983 | char** argv = 0; | |
041b69ac | 5984 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
5985 | #ifdef F_SETOWN |
5986 | extern int old_fcntl_owner; | |
c118dd06 | 5987 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 5988 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 5989 | |
f676886a | 5990 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 5991 | |
3afe33e7 | 5992 | #ifdef USE_X_TOOLKIT |
c2df547c | 5993 | argv = (char **) XtMalloc (5 * sizeof (char *)); |
3afe33e7 RS |
5994 | argv [0] = ""; |
5995 | argv [1] = "-display"; | |
5996 | argv [2] = display_name; | |
c2df547c RS |
5997 | argv [3] = "-name"; |
5998 | argv [4] = "emacs"; | |
5999 | argc = 5; | |
3afe33e7 | 6000 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", |
bc20ebbf | 6001 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
6002 | &argc, argv, |
6003 | NULL, NULL, 0); | |
983f76b8 | 6004 | XtFree ((char *)argv); |
3afe33e7 RS |
6005 | x_current_display = XtDisplay (Xt_app_shell); |
6006 | ||
6007 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 6008 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 6009 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 6010 | if (x_current_display == 0) |
041b69ac JB |
6011 | fatal ("X server %s not responding.\n\ |
6012 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
6013 | display_name); |
6014 | ||
6015 | #ifdef HAVE_X11 | |
6016 | { | |
dc6f92b8 JB |
6017 | #if 0 |
6018 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 6019 | #endif /* ! 0 */ |
8c86eccd | 6020 | hostname = get_system_name (); |
59653951 | 6021 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
6022 | + strlen (hostname) |
6023 | + 2); | |
59653951 | 6024 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 6025 | } |
28430d3c JB |
6026 | |
6027 | /* Figure out which modifier bits mean what. */ | |
6028 | x_find_modifier_meanings (); | |
f451eb13 | 6029 | |
ab648270 | 6030 | /* Get the scroll bar cursor. */ |
d56a553a RS |
6031 | x_vertical_scroll_bar_cursor |
6032 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 6033 | |
d56a553a | 6034 | #if 0 |
28430d3c JB |
6035 | /* Watch for PropertyNotify events on the root window; we use them |
6036 | to figure out when to invalidate our cache of the cut buffers. */ | |
6037 | x_watch_cut_buffer_cache (); | |
d56a553a | 6038 | #endif |
28430d3c | 6039 | |
a4fc7360 | 6040 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
6041 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
6042 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 6043 | |
c118dd06 | 6044 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 6045 | |
041b69ac | 6046 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 6047 | #ifdef F_SETOWN |
61c3ce62 | 6048 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 6049 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
6050 | /* stdin is a socket here */ |
6051 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 6052 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 6053 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
6054 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
6055 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 6056 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
6057 | |
6058 | #ifdef SIGIO | |
6059 | init_sigio (); | |
c118dd06 | 6060 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 6061 | |
dc6f92b8 JB |
6062 | expose_all_windows = 0; |
6063 | ||
f676886a | 6064 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
6065 | clear_end_of_line_hook = XTclear_end_of_line; |
6066 | ins_del_lines_hook = XTins_del_lines; | |
6067 | change_line_highlight_hook = XTchange_line_highlight; | |
6068 | insert_glyphs_hook = XTinsert_glyphs; | |
6069 | write_glyphs_hook = XTwrite_glyphs; | |
6070 | delete_glyphs_hook = XTdelete_glyphs; | |
6071 | ring_bell_hook = XTring_bell; | |
6072 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
6073 | set_terminal_modes_hook = XTset_terminal_modes; | |
6074 | update_begin_hook = XTupdate_begin; | |
6075 | update_end_hook = XTupdate_end; | |
6076 | set_terminal_window_hook = XTset_terminal_window; | |
6077 | read_socket_hook = XTread_socket; | |
b8009dd1 | 6078 | frame_up_to_date_hook = XTframe_up_to_date; |
dc6f92b8 JB |
6079 | cursor_to_hook = XTcursor_to; |
6080 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 6081 | mouse_position_hook = XTmouse_position; |
f451eb13 | 6082 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 6083 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
6084 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
6085 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
6086 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
6087 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 6088 | |
f676886a | 6089 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
6090 | char_ins_del_ok = 0; /* just as fast to write the line */ |
6091 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
6092 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 6093 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
6094 | off the bottom */ |
6095 | baud_rate = 19200; | |
6096 | ||
b30b24cb RS |
6097 | /* Try to use interrupt input; if we can't, then start polling. */ |
6098 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
6099 | ||
c118dd06 JB |
6100 | /* Note that there is no real way portable across R3/R4 to get the |
6101 | original error handler. */ | |
6102 | XHandleError (x_error_quitter); | |
8922af5f | 6103 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
6104 | |
6105 | /* Disable Window Change signals; they are handled by X events. */ | |
6106 | #ifdef SIGWINCH | |
6107 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 6108 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 6109 | |
c118dd06 | 6110 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 6111 | } |
55123275 JB |
6112 | |
6113 | void | |
6114 | syms_of_xterm () | |
6115 | { | |
ab648270 | 6116 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 6117 | last_mouse_scroll_bar = Qnil; |
b8009dd1 RS |
6118 | staticpro (&mouse_face_window); |
6119 | mouse_face_window = Qnil; | |
55123275 | 6120 | } |
c118dd06 JB |
6121 | #endif /* ! defined (HAVE_X11) */ |
6122 | #endif /* ! defined (HAVE_X_WINDOWS) */ |