Commit | Line | Data |
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dc6f92b8 | 1 | /* X Communication module for terminals which understand the X protocol. |
5116f055 | 2 | Copyright (C) 1989, 1993 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 | ||
20 | /* Serious problems: | |
21 | ||
22 | Kludge: dup2 is used to put the X-connection socket into desc # 0 | |
23 | so that wait_reading_process_input will wait for it in place of | |
24 | actual terminal input. | |
25 | ||
26 | */ | |
27 | ||
3afe33e7 RS |
28 | /* Xt features made by Fred Pierresteguy. */ |
29 | ||
d56a553a RS |
30 | #define NEW_SELECTIONS |
31 | ||
039440c4 RS |
32 | /* On 4.3 these lose if they come after xterm.h. */ |
33 | /* On HP-UX 8.0 signal.h loses if it comes after config.h. */ | |
34 | /* Putting these at the beginning seems to be standard for other .c files. */ | |
35 | #include <stdio.h> | |
36 | #include <signal.h> | |
37 | ||
18160b98 | 38 | #include <config.h> |
dc6f92b8 | 39 | |
3afe33e7 | 40 | /* Need syssignal.h for various externs and definitions that may be required |
bc20ebbf | 41 | by some configurations for calls to signal later in this source file. */ |
3afe33e7 RS |
42 | #include "syssignal.h" |
43 | ||
dc6f92b8 JB |
44 | #ifdef HAVE_X_WINDOWS |
45 | ||
46 | #include "lisp.h" | |
9ac0d9e0 | 47 | #include "blockinput.h" |
dc6f92b8 | 48 | |
dc6f92b8 JB |
49 | /* This may include sys/types.h, and that somehow loses |
50 | if this is not done before the other system files. */ | |
51 | #include "xterm.h" | |
f451eb13 | 52 | #include <X11/cursorfont.h> |
dc6f92b8 | 53 | |
16bd92ea | 54 | #ifndef USG |
dc6f92b8 JB |
55 | /* Load sys/types.h if not already loaded. |
56 | In some systems loading it twice is suicidal. */ | |
57 | #ifndef makedev | |
58 | #include <sys/types.h> | |
c118dd06 JB |
59 | #endif /* makedev */ |
60 | #endif /* USG */ | |
dc6f92b8 JB |
61 | |
62 | #ifdef BSD | |
63 | #include <sys/ioctl.h> | |
64 | #include <strings.h> | |
c118dd06 | 65 | #else /* ! defined (BSD) */ |
febf25d5 | 66 | #ifndef VMS |
dc6f92b8 | 67 | #include <string.h> |
febf25d5 | 68 | #endif |
c118dd06 | 69 | #endif /* ! defined (BSD) */ |
dc6f92b8 | 70 | |
2d368234 | 71 | #include "systty.h" |
3a2712f9 | 72 | #include "systime.h" |
dc6f92b8 JB |
73 | |
74 | #include <fcntl.h> | |
dc6f92b8 JB |
75 | #include <ctype.h> |
76 | #include <errno.h> | |
77 | #include <setjmp.h> | |
78 | #include <sys/stat.h> | |
79 | #include <sys/param.h> | |
80 | ||
81 | #include "dispextern.h" | |
82 | #include "termhooks.h" | |
83 | #include "termopts.h" | |
84 | #include "termchar.h" | |
85 | #if 0 | |
86 | #include "sink.h" | |
87 | #include "sinkmask.h" | |
c118dd06 | 88 | #endif /* ! 0 */ |
dc6f92b8 | 89 | #include "gnu.h" |
f676886a | 90 | #include "frame.h" |
dc6f92b8 | 91 | #include "disptab.h" |
dc6f92b8 | 92 | #include "buffer.h" |
f451eb13 | 93 | #include "window.h" |
dc6f92b8 | 94 | |
3afe33e7 RS |
95 | #ifdef USE_X_TOOLKIT |
96 | extern XtAppContext Xt_app_con; | |
97 | extern Widget Xt_app_shell; | |
98 | #endif /* USE_X_TOOLKIT */ | |
99 | ||
dc6f92b8 JB |
100 | #ifdef HAVE_X11 |
101 | #define XMapWindow XMapRaised /* Raise them when mapping. */ | |
c118dd06 | 102 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
103 | #include <X/Xkeyboard.h> |
104 | /*#include <X/Xproto.h> */ | |
c118dd06 | 105 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 106 | |
c34efc6c JB |
107 | #ifdef FD_SET |
108 | /* We could get this from param.h, but better not to depend on finding that. | |
109 | And better not to risk that it might define other symbols used in this | |
110 | file. */ | |
111 | #ifdef FD_SETSIZE | |
112 | #define MAXDESC FD_SETSIZE | |
113 | #else | |
114 | #define MAXDESC 64 | |
115 | #endif | |
116 | #define SELECT_TYPE fd_set | |
117 | #else /* no FD_SET */ | |
118 | #define MAXDESC 32 | |
119 | #define SELECT_TYPE int | |
120 | ||
121 | /* Define the macros to access a single-int bitmap of descriptors. */ | |
122 | #define FD_SET(n, p) (*(p) |= (1 << (n))) | |
123 | #define FD_CLR(n, p) (*(p) &= ~(1 << (n))) | |
124 | #define FD_ISSET(n, p) (*(p) & (1 << (n))) | |
125 | #define FD_ZERO(p) (*(p) = 0) | |
126 | #endif /* no FD_SET */ | |
127 | ||
dc6f92b8 JB |
128 | /* For sending Meta-characters. Do we need this? */ |
129 | #define METABIT 0200 | |
130 | ||
131 | #define min(a,b) ((a)<(b) ? (a) : (b)) | |
132 | #define max(a,b) ((a)>(b) ? (a) : (b)) | |
69388238 | 133 | \f |
dc6f92b8 JB |
134 | /* Nonzero means we must reprint all windows |
135 | because 1) we received an ExposeWindow event | |
f451eb13 | 136 | or 2) we received too many ExposeRegion events to record. |
dc6f92b8 | 137 | |
f451eb13 | 138 | This is never needed under X11. */ |
dc6f92b8 JB |
139 | static int expose_all_windows; |
140 | ||
141 | /* Nonzero means we must reprint all icon windows. */ | |
142 | ||
143 | static int expose_all_icons; | |
144 | ||
145 | #ifndef HAVE_X11 | |
146 | /* ExposeRegion events, when received, are copied into this queue | |
147 | for later processing. */ | |
148 | ||
149 | static struct event_queue x_expose_queue; | |
150 | ||
69388238 | 151 | /* ButtonPress and ButtonReleased events, when received, |
dc6f92b8 JB |
152 | are copied into this queue for later processing. */ |
153 | ||
154 | struct event_queue x_mouse_queue; | |
c118dd06 | 155 | #endif /* HAVE_X11 */ |
dc6f92b8 | 156 | |
dc6f92b8 JB |
157 | #if defined (SIGIO) && defined (FIONREAD) |
158 | int BLOCK_INPUT_mask; | |
c118dd06 | 159 | #endif /* ! defined (SIGIO) && defined (FIONREAD) */ |
dc6f92b8 | 160 | |
dc6f92b8 JB |
161 | /* The id of a bitmap used for icon windows. |
162 | One such map is shared by all Emacs icon windows. | |
163 | This is zero if we have not yet had a need to create the bitmap. */ | |
164 | ||
165 | static Bitmap icon_bitmap; | |
166 | ||
167 | /* Font used for text icons. */ | |
168 | ||
169 | static FONT_TYPE *icon_font_info; | |
170 | ||
171 | /* Stuff for dealing with the main icon title. */ | |
172 | ||
173 | extern Lisp_Object Vcommand_line_args; | |
60fb3ee1 | 174 | char *hostname, *x_id_name; |
dc6f92b8 JB |
175 | |
176 | /* This is the X connection that we are using. */ | |
177 | ||
178 | Display *x_current_display; | |
179 | ||
ab648270 JB |
180 | /* The cursor to use for vertical scroll bars on x_current_display. */ |
181 | static Cursor x_vertical_scroll_bar_cursor; | |
f451eb13 | 182 | |
987d2ad1 | 183 | /* Frame being updated by update_frame. This is declared in term.c. |
d0386f2a | 184 | This is set by update_begin and looked at by all the |
dc6f92b8 | 185 | XT functions. It is zero while not inside an update. |
f676886a JB |
186 | In that case, the XT functions assume that `selected_frame' |
187 | is the frame to apply to. */ | |
d0386f2a | 188 | extern struct frame *updating_frame; |
dc6f92b8 | 189 | |
f676886a | 190 | /* The frame (if any) which has the X window that has keyboard focus. |
f451eb13 JB |
191 | Zero if none. This is examined by Ffocus_frame in frame.c. Note |
192 | that a mere EnterNotify event can set this; if you need to know the | |
193 | last frame specified in a FocusIn or FocusOut event, use | |
194 | x_focus_event_frame. */ | |
f676886a | 195 | struct frame *x_focus_frame; |
dc6f92b8 | 196 | |
f451eb13 JB |
197 | /* The last frame mentioned in a FocusIn or FocusOut event. This is |
198 | separate from x_focus_frame, because whether or not LeaveNotify | |
199 | events cause us to lose focus depends on whether or not we have | |
200 | received a FocusIn event for it. */ | |
201 | struct frame *x_focus_event_frame; | |
202 | ||
f676886a JB |
203 | /* The frame which currently has the visual highlight, and should get |
204 | keyboard input (other sorts of input have the frame encoded in the | |
205 | event). It points to the X focus frame's selected window's | |
206 | frame. It differs from x_focus_frame when we're using a global | |
6d4238f3 | 207 | minibuffer. */ |
f676886a | 208 | static struct frame *x_highlight_frame; |
6d4238f3 | 209 | |
dc6f92b8 | 210 | /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero, |
f676886a | 211 | mouse is moved to inside of frame when frame is de-iconified. */ |
dc6f92b8 JB |
212 | |
213 | static int warp_mouse_on_deiconify; | |
214 | ||
215 | /* During an update, maximum vpos for ins/del line operations to affect. */ | |
216 | ||
217 | static int flexlines; | |
218 | ||
219 | /* During an update, nonzero if chars output now should be highlighted. */ | |
220 | ||
221 | static int highlight; | |
222 | ||
223 | /* Nominal cursor position -- where to draw output. | |
224 | During an update, these are different from the cursor-box position. */ | |
225 | ||
226 | static int curs_x; | |
227 | static int curs_y; | |
228 | ||
69388238 RS |
229 | /* Mouse movement. |
230 | ||
231 | In order to avoid asking for motion events and then throwing most | |
232 | of them away or busy-polling the server for mouse positions, we ask | |
233 | the server for pointer motion hints. This means that we get only | |
234 | one event per group of mouse movements. "Groups" are delimited by | |
235 | other kinds of events (focus changes and button clicks, for | |
236 | example), or by XQueryPointer calls; when one of these happens, we | |
237 | get another MotionNotify event the next time the mouse moves. This | |
238 | is at least as efficient as getting motion events when mouse | |
239 | tracking is on, and I suspect only negligibly worse when tracking | |
240 | is off. | |
241 | ||
242 | The silly O'Reilly & Associates Nutshell guides barely document | |
243 | pointer motion hints at all (I think you have to infer how they | |
244 | work from an example), and the description of XQueryPointer doesn't | |
245 | mention that calling it causes you to get another motion hint from | |
246 | the server, which is very important. */ | |
247 | ||
248 | /* Where the mouse was last time we reported a mouse event. */ | |
249 | static FRAME_PTR last_mouse_frame; | |
250 | static XRectangle last_mouse_glyph; | |
251 | ||
252 | /* The scroll bar in which the last X motion event occurred. | |
253 | ||
254 | If the last X motion event occurred in a scroll bar, we set this | |
255 | so XTmouse_position can know whether to report a scroll bar motion or | |
256 | an ordinary motion. | |
257 | ||
258 | If the last X motion event didn't occur in a scroll bar, we set this | |
259 | to Qnil, to tell XTmouse_position to return an ordinary motion event. */ | |
260 | static Lisp_Object last_mouse_scroll_bar; | |
261 | ||
262 | /* Record which buttons are currently pressed. */ | |
263 | unsigned int x_mouse_grabbed; | |
264 | ||
265 | /* This is a hack. We would really prefer that XTmouse_position would | |
266 | return the time associated with the position it returns, but there | |
267 | doesn't seem to be any way to wrest the timestamp from the server | |
268 | along with the position query. So, we just keep track of the time | |
269 | of the last movement we received, and return that in hopes that | |
270 | it's somewhat accurate. */ | |
271 | static Time last_mouse_movement_time; | |
272 | ||
dc6f92b8 JB |
273 | #ifdef HAVE_X11 |
274 | /* `t' if a mouse button is depressed. */ | |
275 | ||
276 | extern Lisp_Object Vmouse_depressed; | |
277 | ||
278 | /* Tells if a window manager is present or not. */ | |
279 | ||
280 | extern Lisp_Object Vx_no_window_manager; | |
281 | ||
282 | /* Timestamp that we requested selection data was made. */ | |
283 | extern Time requestor_time; | |
284 | ||
285 | /* ID of the window requesting selection data. */ | |
286 | extern Window requestor_window; | |
287 | ||
288 | /* Nonzero enables some debugging for the X interface code. */ | |
289 | extern int _Xdebug; | |
290 | ||
c118dd06 | 291 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
292 | |
293 | /* Bit patterns for the mouse cursor. */ | |
294 | ||
295 | short MouseCursor[] = { | |
296 | 0x0000, 0x0008, 0x0018, 0x0038, | |
297 | 0x0078, 0x00f8, 0x01f8, 0x03f8, | |
298 | 0x07f8, 0x00f8, 0x00d8, 0x0188, | |
299 | 0x0180, 0x0300, 0x0300, 0x0000}; | |
300 | ||
301 | short MouseMask[] = { | |
302 | 0x000c, 0x001c, 0x003c, 0x007c, | |
303 | 0x00fc, 0x01fc, 0x03fc, 0x07fc, | |
304 | 0x0ffc, 0x0ffc, 0x01fc, 0x03dc, | |
305 | 0x03cc, 0x0780, 0x0780, 0x0300}; | |
306 | ||
307 | static short grey_bits[] = { | |
308 | 0x0005, 0x000a, 0x0005, 0x000a}; | |
309 | ||
310 | static Pixmap GreyPixmap = 0; | |
c118dd06 | 311 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
312 | |
313 | /* From time to time we get info on an Emacs window, here. */ | |
314 | ||
315 | static WINDOWINFO_TYPE windowinfo; | |
316 | ||
317 | extern int errno; | |
318 | ||
dfeccd2d | 319 | /* A mask of extra modifier bits to put into every keyboard char. */ |
64bb1782 RS |
320 | extern int extra_keyboard_modifiers; |
321 | ||
dc6f92b8 JB |
322 | extern Display *XOpenDisplay (); |
323 | extern Window XCreateWindow (); | |
324 | ||
325 | extern Cursor XCreateCursor (); | |
326 | extern FONT_TYPE *XOpenFont (); | |
327 | ||
328 | static void flashback (); | |
c83febd7 | 329 | static void redraw_previous_char (); |
3afe33e7 | 330 | static unsigned int x_x_to_emacs_modifiers (); |
dc6f92b8 JB |
331 | |
332 | #ifndef HAVE_X11 | |
333 | static void dumpqueue (); | |
c118dd06 | 334 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
335 | |
336 | void dumpborder (); | |
4746118a JB |
337 | static int XTcursor_to (); |
338 | static int XTclear_end_of_line (); | |
16bd92ea JB |
339 | |
340 | \f | |
f451eb13 JB |
341 | /* Starting and ending updates. |
342 | ||
343 | These hooks are called by update_frame at the beginning and end | |
f676886a JB |
344 | of a frame update. We record in `updating_frame' the identity |
345 | of the frame being updated, so that the XT... functions do not | |
346 | need to take a frame as argument. Most of the XT... functions | |
dc6f92b8 | 347 | should never be called except during an update, the only exceptions |
c83febd7 | 348 | being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */ |
dc6f92b8 JB |
349 | |
350 | extern int mouse_track_top, mouse_track_left, mouse_track_width; | |
351 | ||
352 | static | |
f676886a JB |
353 | XTupdate_begin (f) |
354 | struct frame *f; | |
dc6f92b8 JB |
355 | { |
356 | int mask; | |
357 | ||
f676886a | 358 | if (f == 0) |
dc6f92b8 JB |
359 | abort (); |
360 | ||
f676886a | 361 | flexlines = f->height; |
dc6f92b8 JB |
362 | highlight = 0; |
363 | ||
dc6f92b8 JB |
364 | BLOCK_INPUT; |
365 | #ifndef HAVE_X11 | |
366 | dumpqueue (); | |
c118dd06 | 367 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
368 | UNBLOCK_INPUT; |
369 | } | |
370 | ||
f451eb13 | 371 | #ifndef HAVE_X11 |
dc6f92b8 | 372 | static void x_do_pending_expose (); |
f451eb13 | 373 | #endif |
dc6f92b8 JB |
374 | |
375 | static | |
f676886a JB |
376 | XTupdate_end (f) |
377 | struct frame *f; | |
dc6f92b8 JB |
378 | { |
379 | int mask; | |
380 | ||
dc6f92b8 JB |
381 | BLOCK_INPUT; |
382 | #ifndef HAVE_X11 | |
383 | dumpqueue (); | |
dc6f92b8 | 384 | x_do_pending_expose (); |
f451eb13 | 385 | #endif /* HAVE_X11 */ |
dc6f92b8 | 386 | |
f676886a | 387 | x_display_cursor (f, 1); |
dc6f92b8 | 388 | |
dc6f92b8 JB |
389 | XFlushQueue (); |
390 | UNBLOCK_INPUT; | |
391 | } | |
392 | \f | |
393 | /* External interface to control of standout mode. | |
394 | Call this when about to modify line at position VPOS | |
395 | and not change whether it is highlighted. */ | |
396 | ||
397 | XTreassert_line_highlight (new, vpos) | |
398 | int new, vpos; | |
399 | { | |
400 | highlight = new; | |
401 | } | |
402 | ||
403 | /* Call this when about to modify line at position VPOS | |
404 | and change whether it is highlighted. */ | |
405 | ||
406 | static | |
407 | XTchange_line_highlight (new_highlight, vpos, first_unused_hpos) | |
408 | int new_highlight, vpos, first_unused_hpos; | |
409 | { | |
410 | highlight = new_highlight; | |
411 | XTcursor_to (vpos, 0); | |
f676886a | 412 | XTclear_end_of_line (updating_frame->width); |
dc6f92b8 JB |
413 | } |
414 | ||
415 | /* This is used when starting Emacs and when restarting after suspend. | |
416 | When starting Emacs, no X window is mapped. And nothing must be done | |
417 | to Emacs's own window if it is suspended (though that rarely happens). */ | |
418 | ||
419 | static | |
420 | XTset_terminal_modes () | |
421 | { | |
422 | } | |
423 | ||
424 | /* This is called when exiting or suspending Emacs. | |
425 | Exiting will make the X-windows go away, and suspending | |
426 | requires no action. */ | |
427 | ||
428 | static | |
429 | XTreset_terminal_modes () | |
430 | { | |
f676886a | 431 | /* XTclear_frame (); */ |
dc6f92b8 JB |
432 | } |
433 | \f | |
f451eb13 JB |
434 | /* Set the nominal cursor position of the frame. |
435 | This is where display update commands will take effect. | |
dc6f92b8 JB |
436 | This does not affect the place where the cursor-box is displayed. */ |
437 | ||
4746118a | 438 | static int |
dc6f92b8 JB |
439 | XTcursor_to (row, col) |
440 | register int row, col; | |
441 | { | |
442 | int mask; | |
443 | int orow = row; | |
444 | ||
445 | curs_x = col; | |
446 | curs_y = row; | |
447 | ||
f676886a | 448 | if (updating_frame == 0) |
dc6f92b8 JB |
449 | { |
450 | BLOCK_INPUT; | |
f676886a | 451 | x_display_cursor (selected_frame, 1); |
dc6f92b8 JB |
452 | XFlushQueue (); |
453 | UNBLOCK_INPUT; | |
454 | } | |
455 | } | |
456 | \f | |
457 | /* Display a sequence of N glyphs found at GP. | |
458 | WINDOW is the x-window to output to. LEFT and TOP are starting coords. | |
459 | HL is 1 if this text is highlighted, 2 if the cursor is on it. | |
460 | ||
07e34cb0 | 461 | FONT is the default font to use (for glyphs whose font-code is 0). |
dc6f92b8 | 462 | |
07e34cb0 JB |
463 | Since the display generation code is responsible for calling |
464 | compute_char_face and compute_glyph_face on everything it puts in | |
465 | the display structure, we can assume that the face code on each | |
28f72798 | 466 | glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one |
f94397b5 KH |
467 | to which we can actually apply intern_face. |
468 | Call this function with input blocked. */ | |
dc6f92b8 | 469 | |
07e34cb0 JB |
470 | #if 1 |
471 | /* This is the multi-face code. */ | |
dc6f92b8 | 472 | |
dc6f92b8 | 473 | static void |
07e34cb0 | 474 | dumpglyphs (f, left, top, gp, n, hl) |
f676886a | 475 | struct frame *f; |
dc6f92b8 JB |
476 | int left, top; |
477 | register GLYPH *gp; /* Points to first GLYPH. */ | |
478 | register int n; /* Number of glyphs to display. */ | |
479 | int hl; | |
dc6f92b8 | 480 | { |
07e34cb0 JB |
481 | /* Holds characters to be displayed. */ |
482 | char *buf = (char *) alloca (f->width * sizeof (*buf)); | |
dc6f92b8 JB |
483 | register char *cp; /* Steps through buf[]. */ |
484 | register int tlen = GLYPH_TABLE_LENGTH; | |
485 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
c118dd06 | 486 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 487 | |
07e34cb0 | 488 | while (n > 0) |
dc6f92b8 JB |
489 | { |
490 | /* Get the face-code of the next GLYPH. */ | |
491 | int cf, len; | |
492 | int g = *gp; | |
493 | ||
07e34cb0 JB |
494 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
495 | cf = GLYPH_FACE (g); | |
dc6f92b8 JB |
496 | |
497 | /* Find the run of consecutive glyphs with the same face-code. | |
498 | Extract their character codes into BUF. */ | |
499 | cp = buf; | |
500 | while (n > 0) | |
501 | { | |
502 | g = *gp; | |
07e34cb0 JB |
503 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); |
504 | if (GLYPH_FACE (g) != cf) | |
dc6f92b8 JB |
505 | break; |
506 | ||
07e34cb0 | 507 | *cp++ = GLYPH_CHAR (g); |
dc6f92b8 JB |
508 | --n; |
509 | ++gp; | |
510 | } | |
511 | ||
512 | /* LEN gets the length of the run. */ | |
513 | len = cp - buf; | |
514 | ||
515 | /* Now output this run of chars, with the font and pixel values | |
516 | determined by the face code CF. */ | |
07e34cb0 JB |
517 | { |
518 | struct face *face = FRAME_DEFAULT_FACE (f); | |
519 | FONT_TYPE *font = FACE_FONT (face); | |
520 | GC gc = FACE_GC (face); | |
b73b6aaf RS |
521 | int defaulted = 1; |
522 | int gc_temporary = 0; | |
07e34cb0 | 523 | |
b73b6aaf RS |
524 | /* First look at the face of the text itself. */ |
525 | if (cf != 0) | |
07e34cb0 | 526 | { |
a07d4bc5 RS |
527 | /* It's possible for the display table to specify |
528 | a face code that is out of range. Use 0 in that case. */ | |
28f72798 JB |
529 | if (cf < 0 || cf >= FRAME_N_COMPUTED_FACES (f) |
530 | || FRAME_COMPUTED_FACES (f) [cf] == 0) | |
a07d4bc5 | 531 | cf = 0; |
07e34cb0 JB |
532 | |
533 | if (cf == 1) | |
534 | face = FRAME_MODE_LINE_FACE (f); | |
535 | else | |
28f72798 | 536 | face = intern_face (f, FRAME_COMPUTED_FACES (f) [cf]); |
07e34cb0 JB |
537 | font = FACE_FONT (face); |
538 | gc = FACE_GC (face); | |
b73b6aaf | 539 | defaulted = 0; |
07e34cb0 | 540 | } |
4a4dc352 JB |
541 | |
542 | /* Then comes the distinction between modeline and normal text. */ | |
07e34cb0 JB |
543 | else if (hl == 0) |
544 | ; | |
545 | else if (hl == 1) | |
546 | { | |
547 | face = FRAME_MODE_LINE_FACE (f); | |
548 | font = FACE_FONT (face); | |
549 | gc = FACE_GC (face); | |
b73b6aaf RS |
550 | defaulted = 0; |
551 | } | |
552 | ||
553 | #define FACE_DEFAULT (~0) | |
554 | ||
555 | /* Now override that if the cursor's on this character. */ | |
b5cf7a0e | 556 | if (hl == 2) |
b73b6aaf | 557 | { |
b5cf7a0e JB |
558 | if (defaulted |
559 | || !face->font | |
560 | || (int) face->font == FACE_DEFAULT) | |
561 | { | |
562 | gc = f->display.x->cursor_gc; | |
563 | } | |
564 | /* Cursor on non-default face: must merge. */ | |
565 | else | |
566 | { | |
567 | XGCValues xgcv; | |
568 | unsigned long mask; | |
569 | ||
570 | xgcv.background = f->display.x->cursor_pixel; | |
571 | xgcv.foreground = f->display.x->cursor_foreground_pixel; | |
572 | xgcv.font = face->font->fid; | |
573 | xgcv.graphics_exposures = 0; | |
574 | mask = GCForeground | GCBackground | GCFont | GCGraphicsExposures; | |
575 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
576 | mask, &xgcv); | |
b73b6aaf | 577 | #if 0 |
b5cf7a0e JB |
578 | if (face->stipple && face->stipple != FACE_DEFAULT) |
579 | XSetStipple (x_current_display, gc, face->stipple); | |
b73b6aaf | 580 | #endif |
b5cf7a0e JB |
581 | gc_temporary = 1; |
582 | } | |
07e34cb0 | 583 | } |
07e34cb0 | 584 | |
b5cf7a0e JB |
585 | if ((int) font == FACE_DEFAULT) |
586 | font = f->display.x->font; | |
587 | ||
07e34cb0 JB |
588 | XDrawImageString (x_current_display, window, gc, |
589 | left, top + FONT_BASE (font), buf, len); | |
07e34cb0 | 590 | |
b73b6aaf RS |
591 | if (gc_temporary) |
592 | XFreeGC (x_current_display, gc); | |
593 | ||
07e34cb0 JB |
594 | /* We should probably check for XA_UNDERLINE_POSITION and |
595 | XA_UNDERLINE_THICKNESS properties on the font, but let's | |
596 | just get the thing working, and come back to that. */ | |
dc6f92b8 | 597 | { |
4a4dc352 | 598 | int underline_position = 1; |
07e34cb0 | 599 | |
4a4dc352 JB |
600 | if (font->descent <= underline_position) |
601 | underline_position = font->descent - 1; | |
07e34cb0 JB |
602 | |
603 | if (face->underline) | |
604 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
605 | FACE_GC (face), | |
606 | left, (top | |
607 | + FONT_BASE (font) | |
608 | + underline_position), | |
609 | len * FONT_WIDTH (font), 1); | |
dc6f92b8 | 610 | } |
07e34cb0 JB |
611 | |
612 | left += len * FONT_WIDTH (font); | |
613 | } | |
dc6f92b8 JB |
614 | } |
615 | } | |
07e34cb0 JB |
616 | #endif /* 1 */ |
617 | ||
618 | #if 0 | |
619 | /* This is the old single-face code. */ | |
620 | ||
621 | static void | |
622 | dumpglyphs (f, left, top, gp, n, hl, font) | |
623 | struct frame *f; | |
624 | int left, top; | |
625 | register GLYPH *gp; /* Points to first GLYPH. */ | |
626 | register int n; /* Number of glyphs to display. */ | |
627 | int hl; | |
628 | FONT_TYPE *font; | |
629 | { | |
630 | register int len; | |
631 | Window window = FRAME_X_WINDOW (f); | |
632 | GC drawing_gc = (hl == 2 ? f->display.x->cursor_gc | |
633 | : (hl ? f->display.x->reverse_gc | |
634 | : f->display.x->normal_gc)); | |
635 | ||
636 | if (sizeof (GLYPH) == sizeof (XChar2b)) | |
637 | XDrawImageString16 (x_current_display, window, drawing_gc, | |
638 | left, top + FONT_BASE (font), (XChar2b *) gp, n); | |
639 | else if (sizeof (GLYPH) == sizeof (unsigned char)) | |
640 | XDrawImageString (x_current_display, window, drawing_gc, | |
641 | left, top + FONT_BASE (font), (char *) gp, n); | |
642 | else | |
643 | /* What size of glyph ARE you using? And does X have a function to | |
644 | draw them? */ | |
645 | abort (); | |
646 | } | |
647 | #endif | |
dc6f92b8 | 648 | \f |
f451eb13 JB |
649 | /* Output some text at the nominal frame cursor position. |
650 | Advance the cursor over the text. | |
dc6f92b8 JB |
651 | Output LEN glyphs at START. |
652 | ||
653 | `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight, | |
654 | controls the pixel values used for foreground and background. */ | |
655 | ||
656 | static | |
657 | XTwrite_glyphs (start, len) | |
658 | register GLYPH *start; | |
659 | int len; | |
660 | { | |
661 | register int temp_length; | |
662 | int mask; | |
f676886a | 663 | struct frame *f; |
dc6f92b8 JB |
664 | |
665 | BLOCK_INPUT; | |
666 | ||
f676886a JB |
667 | f = updating_frame; |
668 | if (f == 0) | |
dc6f92b8 | 669 | { |
f676886a | 670 | f = selected_frame; |
dc6f92b8 | 671 | /* If not within an update, |
f676886a JB |
672 | output at the frame's visible cursor. */ |
673 | curs_x = f->cursor_x; | |
674 | curs_y = f->cursor_y; | |
dc6f92b8 JB |
675 | } |
676 | ||
f676886a | 677 | dumpglyphs (f, |
12ba150f JB |
678 | CHAR_TO_PIXEL_COL (f, curs_x), |
679 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
07e34cb0 | 680 | start, len, highlight); |
90e65f07 JB |
681 | |
682 | /* If we drew on top of the cursor, note that it is turned off. */ | |
f676886a JB |
683 | if (curs_y == f->phys_cursor_y |
684 | && curs_x <= f->phys_cursor_x | |
685 | && curs_x + len > f->phys_cursor_x) | |
686 | f->phys_cursor_x = -1; | |
dc6f92b8 | 687 | |
f676886a | 688 | if (updating_frame == 0) |
dc6f92b8 | 689 | { |
f676886a JB |
690 | f->cursor_x += len; |
691 | x_display_cursor (f, 1); | |
692 | f->cursor_x -= len; | |
dc6f92b8 JB |
693 | } |
694 | else | |
695 | curs_x += len; | |
696 | ||
697 | UNBLOCK_INPUT; | |
698 | } | |
699 | \f | |
f451eb13 JB |
700 | /* Clear to the end of the line. |
701 | Erase the current text line from the nominal cursor position (inclusive) | |
dc6f92b8 JB |
702 | to column FIRST_UNUSED (exclusive). The idea is that everything |
703 | from FIRST_UNUSED onward is already erased. */ | |
704 | ||
4746118a | 705 | static int |
dc6f92b8 JB |
706 | XTclear_end_of_line (first_unused) |
707 | register int first_unused; | |
708 | { | |
f676886a | 709 | struct frame *f = updating_frame; |
dc6f92b8 JB |
710 | int mask; |
711 | ||
f676886a | 712 | if (f == 0) |
dc6f92b8 JB |
713 | abort (); |
714 | ||
f676886a | 715 | if (curs_y < 0 || curs_y >= f->height) |
dc6f92b8 JB |
716 | return; |
717 | if (first_unused <= 0) | |
718 | return; | |
719 | ||
f676886a JB |
720 | if (first_unused >= f->width) |
721 | first_unused = f->width; | |
dc6f92b8 JB |
722 | |
723 | BLOCK_INPUT; | |
724 | ||
90e65f07 | 725 | /* Notice if the cursor will be cleared by this operation. */ |
f676886a JB |
726 | if (curs_y == f->phys_cursor_y |
727 | && curs_x <= f->phys_cursor_x | |
728 | && f->phys_cursor_x < first_unused) | |
729 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
730 | |
731 | #ifdef HAVE_X11 | |
c118dd06 | 732 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
12ba150f JB |
733 | CHAR_TO_PIXEL_COL (f, curs_x), |
734 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
735 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
736 | FONT_HEIGHT (f->display.x->font), False); | |
c83febd7 RS |
737 | #if 0 |
738 | redraw_previous_char (f, curs_x, curs_y); | |
739 | #endif | |
c118dd06 JB |
740 | #else /* ! defined (HAVE_X11) */ |
741 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
742 | CHAR_TO_PIXEL_COL (f, curs_x), |
743 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
744 | FONT_WIDTH (f->display.x->font) * (first_unused - curs_x), |
745 | FONT_HEIGHT (f->display.x->font), | |
746 | f->display.x->background_pixel); | |
c118dd06 | 747 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
748 | |
749 | UNBLOCK_INPUT; | |
750 | } | |
751 | ||
c83febd7 RS |
752 | /* Erase the character (if any) at the position just before X, Y in frame F, |
753 | then redraw it and the character before it. | |
754 | This is necessary when we erase starting at X, | |
f94397b5 KH |
755 | in case the character after X overlaps into the one before X. |
756 | Call this function with input blocked. */ | |
c83febd7 RS |
757 | |
758 | static void | |
759 | redraw_previous_char (f, x, y) | |
760 | FRAME_PTR f; | |
761 | int x, y; | |
762 | { | |
763 | /* Erase the character before the new ones, in case | |
764 | what was here before overlaps it. | |
765 | Reoutput that character, and the previous character | |
766 | (in case the previous character overlaps it). */ | |
767 | if (x > 0) | |
768 | { | |
769 | int start_x = x - 2; | |
770 | if (start_x < 0) | |
771 | start_x = 0; | |
772 | XClearArea (x_current_display, FRAME_X_WINDOW (f), | |
773 | CHAR_TO_PIXEL_COL (f, x - 1), | |
774 | CHAR_TO_PIXEL_ROW (f, y), | |
775 | FONT_WIDTH (f->display.x->font), | |
776 | FONT_HEIGHT (f->display.x->font), False); | |
777 | ||
778 | dumpglyphs (f, CHAR_TO_PIXEL_COL (f, start_x), | |
779 | CHAR_TO_PIXEL_ROW (f, y), | |
780 | &FRAME_CURRENT_GLYPHS (f)->glyphs[y][start_x], | |
781 | x - start_x, highlight); | |
782 | } | |
783 | } | |
784 | ||
dc6f92b8 | 785 | static |
f676886a | 786 | XTclear_frame () |
dc6f92b8 JB |
787 | { |
788 | int mask; | |
f676886a | 789 | struct frame *f = updating_frame; |
dc6f92b8 | 790 | |
f676886a JB |
791 | if (f == 0) |
792 | f = selected_frame; | |
dc6f92b8 | 793 | |
f676886a | 794 | f->phys_cursor_x = -1; /* Cursor not visible. */ |
dc6f92b8 JB |
795 | curs_x = 0; /* Nominal cursor position is top left. */ |
796 | curs_y = 0; | |
797 | ||
798 | BLOCK_INPUT; | |
dbc4e1c1 | 799 | |
c118dd06 | 800 | XClear (FRAME_X_WINDOW (f)); |
dbc4e1c1 | 801 | |
ab648270 | 802 | /* We have to clear the scroll bars, too. If we have changed |
dbc4e1c1 | 803 | colors or something like that, then they should be notified. */ |
ab648270 | 804 | x_scroll_bar_clear (f); |
dbc4e1c1 | 805 | |
dc6f92b8 | 806 | #ifndef HAVE_X11 |
f676886a | 807 | dumpborder (f, 0); |
c118dd06 | 808 | #endif /* HAVE_X11 */ |
dbc4e1c1 | 809 | |
dc6f92b8 JB |
810 | XFlushQueue (); |
811 | UNBLOCK_INPUT; | |
812 | } | |
813 | \f | |
dbc4e1c1 JB |
814 | /* Invert the middle quarter of the frame for .15 sec. */ |
815 | ||
816 | /* We use the select system call to do the waiting, so we have to make sure | |
eb8c3be9 | 817 | it's available. If it isn't, we just won't do visual bells. */ |
dbc4e1c1 JB |
818 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
819 | ||
820 | /* Subtract the `struct timeval' values X and Y, | |
821 | storing the result in RESULT. | |
822 | Return 1 if the difference is negative, otherwise 0. */ | |
823 | ||
824 | static int | |
825 | timeval_subtract (result, x, y) | |
826 | struct timeval *result, x, y; | |
827 | { | |
828 | /* Perform the carry for the later subtraction by updating y. | |
829 | This is safer because on some systems | |
830 | the tv_sec member is unsigned. */ | |
831 | if (x.tv_usec < y.tv_usec) | |
832 | { | |
833 | int nsec = (y.tv_usec - x.tv_usec) / 1000000 + 1; | |
834 | y.tv_usec -= 1000000 * nsec; | |
835 | y.tv_sec += nsec; | |
836 | } | |
837 | if (x.tv_usec - y.tv_usec > 1000000) | |
838 | { | |
839 | int nsec = (y.tv_usec - x.tv_usec) / 1000000; | |
840 | y.tv_usec += 1000000 * nsec; | |
841 | y.tv_sec -= nsec; | |
842 | } | |
843 | ||
844 | /* Compute the time remaining to wait. tv_usec is certainly positive. */ | |
845 | result->tv_sec = x.tv_sec - y.tv_sec; | |
846 | result->tv_usec = x.tv_usec - y.tv_usec; | |
847 | ||
848 | /* Return indication of whether the result should be considered negative. */ | |
849 | return x.tv_sec < y.tv_sec; | |
850 | } | |
dc6f92b8 | 851 | |
f676886a JB |
852 | XTflash (f) |
853 | struct frame *f; | |
dc6f92b8 | 854 | { |
dbc4e1c1 | 855 | BLOCK_INPUT; |
dc6f92b8 | 856 | |
dbc4e1c1 JB |
857 | { |
858 | GC gc; | |
dc6f92b8 | 859 | |
dbc4e1c1 JB |
860 | /* Create a GC that will use the GXxor function to flip foreground pixels |
861 | into background pixels. */ | |
862 | { | |
863 | XGCValues values; | |
dc6f92b8 | 864 | |
dbc4e1c1 JB |
865 | values.function = GXxor; |
866 | values.foreground = (f->display.x->foreground_pixel | |
867 | ^ f->display.x->background_pixel); | |
868 | ||
869 | gc = XCreateGC (x_current_display, FRAME_X_WINDOW (f), | |
870 | GCFunction | GCForeground, &values); | |
871 | } | |
dc6f92b8 | 872 | |
dbc4e1c1 JB |
873 | { |
874 | int width = PIXEL_WIDTH (f); | |
875 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 | 876 | |
dbc4e1c1 JB |
877 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, |
878 | width/4, height/4, width/2, height/2); | |
879 | XFlush (x_current_display); | |
dc6f92b8 | 880 | |
dbc4e1c1 JB |
881 | { |
882 | struct timeval wakeup, now; | |
dc6f92b8 | 883 | |
66c30ea1 | 884 | EMACS_GET_TIME (wakeup); |
dc6f92b8 | 885 | |
dbc4e1c1 JB |
886 | /* Compute time to wait until, propagating carry from usecs. */ |
887 | wakeup.tv_usec += 150000; | |
888 | wakeup.tv_sec += (wakeup.tv_usec / 1000000); | |
889 | wakeup.tv_usec %= 1000000; | |
890 | ||
891 | /* Keep waiting until past the time wakeup. */ | |
892 | while (1) | |
893 | { | |
894 | struct timeval timeout; | |
895 | ||
66c30ea1 | 896 | EMACS_GET_TIME (timeout); |
dbc4e1c1 JB |
897 | |
898 | /* In effect, timeout = wakeup - timeout. | |
899 | Break if result would be negative. */ | |
900 | if (timeval_subtract (&timeout, wakeup, timeout)) | |
901 | break; | |
902 | ||
903 | /* Try to wait that long--but we might wake up sooner. */ | |
904 | select (0, 0, 0, 0, &timeout); | |
905 | } | |
906 | } | |
907 | ||
908 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), gc, | |
909 | width/4, height/4, width/2, height/2); | |
910 | XFreeGC (x_current_display, gc); | |
911 | XFlush (x_current_display); | |
dc6f92b8 | 912 | } |
dbc4e1c1 JB |
913 | } |
914 | ||
915 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
916 | } |
917 | ||
dbc4e1c1 JB |
918 | #endif |
919 | ||
920 | ||
dc6f92b8 JB |
921 | /* Make audible bell. */ |
922 | ||
923 | #ifdef HAVE_X11 | |
bc20ebbf | 924 | #define XRINGBELL XBell (x_current_display, 0) |
c118dd06 | 925 | #else /* ! defined (HAVE_X11) */ |
bc20ebbf | 926 | #define XRINGBELL XFeep (0); |
c118dd06 | 927 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
928 | |
929 | XTring_bell () | |
930 | { | |
5a6ef893 RS |
931 | if (x_current_display == 0) |
932 | return; | |
933 | ||
dbc4e1c1 | 934 | #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT) |
dc6f92b8 | 935 | if (visible_bell) |
f676886a | 936 | XTflash (selected_frame); |
dc6f92b8 | 937 | else |
dbc4e1c1 | 938 | #endif |
dc6f92b8 JB |
939 | { |
940 | BLOCK_INPUT; | |
941 | XRINGBELL; | |
942 | XFlushQueue (); | |
943 | UNBLOCK_INPUT; | |
944 | } | |
945 | } | |
946 | \f | |
f451eb13 JB |
947 | /* Insert and delete character. |
948 | These are not supposed to be used because we are supposed to turn | |
949 | off the feature of using them. */ | |
dc6f92b8 JB |
950 | |
951 | static | |
952 | XTinsert_glyphs (start, len) | |
953 | register char *start; | |
954 | register int len; | |
955 | { | |
956 | abort (); | |
957 | } | |
958 | ||
959 | static | |
960 | XTdelete_glyphs (n) | |
961 | register int n; | |
962 | { | |
963 | abort (); | |
964 | } | |
965 | \f | |
966 | /* Specify how many text lines, from the top of the window, | |
967 | should be affected by insert-lines and delete-lines operations. | |
968 | This, and those operations, are used only within an update | |
969 | that is bounded by calls to XTupdate_begin and XTupdate_end. */ | |
970 | ||
971 | static | |
972 | XTset_terminal_window (n) | |
973 | register int n; | |
974 | { | |
f676886a | 975 | if (updating_frame == 0) |
dc6f92b8 JB |
976 | abort (); |
977 | ||
f676886a JB |
978 | if ((n <= 0) || (n > updating_frame->height)) |
979 | flexlines = updating_frame->height; | |
dc6f92b8 JB |
980 | else |
981 | flexlines = n; | |
982 | } | |
983 | \f | |
f451eb13 JB |
984 | /* Perform an insert-lines operation. |
985 | Insert N lines at a vertical position curs_y. */ | |
dc6f92b8 JB |
986 | |
987 | static void | |
988 | stufflines (n) | |
989 | register int n; | |
990 | { | |
991 | register int topregion, bottomregion; | |
992 | register int length, newtop, mask; | |
f676886a JB |
993 | register struct frame *f = updating_frame; |
994 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
995 | |
996 | if (curs_y >= flexlines) | |
997 | return; | |
998 | ||
999 | topregion = curs_y; | |
1000 | bottomregion = flexlines - (n + 1); | |
1001 | newtop = topregion + n; | |
1002 | length = (bottomregion - topregion) + 1; | |
1003 | ||
1004 | #ifndef HAVE_X11 | |
1005 | dumpqueue (); | |
c118dd06 | 1006 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1007 | |
1008 | if ((length > 0) && (newtop <= flexlines)) | |
1009 | { | |
1010 | #ifdef HAVE_X11 | |
c118dd06 JB |
1011 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1012 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
12ba150f | 1013 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
1014 | f->width * FONT_WIDTH (f->display.x->font), |
1015 | length * FONT_HEIGHT (f->display.x->font), intborder, | |
12ba150f | 1016 | CHAR_TO_PIXEL_ROW (f, newtop)); |
c118dd06 JB |
1017 | #else /* ! defined (HAVE_X11) */ |
1018 | XMoveArea (FRAME_X_WINDOW (f), | |
12ba150f JB |
1019 | intborder, CHAR_TO_PIXEL_ROW (f, topregion), |
1020 | intborder, CHAR_TO_PIXEL_ROW (f, newtop), | |
f676886a JB |
1021 | f->width * FONT_WIDTH (f->display.x->font), |
1022 | length * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1023 | /* Now we must process any ExposeRegion events that occur |
1024 | if the area being copied from is obscured. | |
1025 | We can't let it wait because further i/d operations | |
1026 | may want to copy this area to another area. */ | |
1027 | x_read_exposes (); | |
c118dd06 | 1028 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1029 | } |
1030 | ||
1031 | newtop = min (newtop, (flexlines - 1)); | |
1032 | length = newtop - topregion; | |
1033 | if (length > 0) | |
1034 | { | |
1035 | #ifdef HAVE_X11 | |
c118dd06 | 1036 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1037 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
1038 | f->width * FONT_WIDTH (f->display.x->font), |
1039 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1040 | #else /* ! defined (HAVE_X11) */ |
1041 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1042 | intborder, |
12ba150f | 1043 | CHAR_TO_PIXEL_ROW (f, topregion), |
f676886a JB |
1044 | f->width * FONT_WIDTH (f->display.x->font), |
1045 | n * FONT_HEIGHT (f->display.x->font), | |
1046 | f->display.x->background_pixel); | |
c118dd06 | 1047 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1048 | } |
1049 | } | |
1050 | ||
1051 | /* Perform a delete-lines operation, deleting N lines | |
1052 | at a vertical position curs_y. */ | |
1053 | ||
1054 | static void | |
1055 | scraplines (n) | |
1056 | register int n; | |
1057 | { | |
1058 | int mask; | |
f676886a JB |
1059 | register struct frame *f = updating_frame; |
1060 | int intborder = f->display.x->internal_border_width; | |
dc6f92b8 JB |
1061 | |
1062 | if (curs_y >= flexlines) | |
1063 | return; | |
1064 | ||
1065 | #ifndef HAVE_X11 | |
1066 | dumpqueue (); | |
c118dd06 | 1067 | #endif /* HAVE_X11 */ |
dc6f92b8 JB |
1068 | |
1069 | if ((curs_y + n) >= flexlines) | |
1070 | { | |
1071 | if (flexlines >= (curs_y + 1)) | |
1072 | { | |
1073 | #ifdef HAVE_X11 | |
c118dd06 | 1074 | XClearArea (x_current_display, FRAME_X_WINDOW (f), intborder, |
12ba150f | 1075 | CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
1076 | f->width * FONT_WIDTH (f->display.x->font), |
1077 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1078 | #else /* ! defined (HAVE_X11) */ |
1079 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f | 1080 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), |
f676886a JB |
1081 | f->width * FONT_WIDTH (f->display.x->font), |
1082 | (flexlines - curs_y) * FONT_HEIGHT (f->display.x->font), | |
1083 | f->display.x->background_pixel); | |
c118dd06 | 1084 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1085 | } |
1086 | } | |
1087 | else | |
1088 | { | |
1089 | #ifdef HAVE_X11 | |
c118dd06 JB |
1090 | XCopyArea (x_current_display, FRAME_X_WINDOW (f), |
1091 | FRAME_X_WINDOW (f), f->display.x->normal_gc, | |
dc6f92b8 | 1092 | intborder, |
12ba150f | 1093 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
f676886a JB |
1094 | f->width * FONT_WIDTH (f->display.x->font), |
1095 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font), | |
12ba150f | 1096 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y)); |
c118dd06 | 1097 | XClearArea (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 1098 | intborder, |
12ba150f | 1099 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1100 | f->width * FONT_WIDTH (f->display.x->font), |
1101 | n * FONT_HEIGHT (f->display.x->font), False); | |
c118dd06 JB |
1102 | #else /* ! defined (HAVE_X11) */ |
1103 | XMoveArea (FRAME_X_WINDOW (f), | |
dc6f92b8 | 1104 | intborder, |
12ba150f JB |
1105 | CHAR_TO_PIXEL_ROW (f, curs_y + n), |
1106 | intborder, CHAR_TO_PIXEL_ROW (f, curs_y), | |
f676886a JB |
1107 | f->width * FONT_WIDTH (f->display.x->font), |
1108 | (flexlines - (curs_y + n)) * FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 JB |
1109 | /* Now we must process any ExposeRegion events that occur |
1110 | if the area being copied from is obscured. | |
1111 | We can't let it wait because further i/d operations | |
1112 | may want to copy this area to another area. */ | |
1113 | x_read_exposes (); | |
c118dd06 | 1114 | XPixSet (FRAME_X_WINDOW (f), intborder, |
12ba150f | 1115 | CHAR_TO_PIXEL_ROW (f, flexlines - n), |
f676886a JB |
1116 | f->width * FONT_WIDTH (f->display.x->font), |
1117 | n * FONT_HEIGHT (f->display.x->font), f->display.x->background_pixel); | |
c118dd06 | 1118 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
1119 | } |
1120 | } | |
1121 | ||
1122 | /* Perform an insert-lines or delete-lines operation, | |
1123 | inserting N lines or deleting -N lines at vertical position VPOS. */ | |
1124 | ||
1125 | XTins_del_lines (vpos, n) | |
1126 | int vpos, n; | |
1127 | { | |
f676886a | 1128 | if (updating_frame == 0) |
dc6f92b8 JB |
1129 | abort (); |
1130 | ||
90e65f07 | 1131 | /* Hide the cursor. */ |
f676886a | 1132 | x_display_cursor (updating_frame, 0); |
dc6f92b8 JB |
1133 | |
1134 | XTcursor_to (vpos, 0); | |
1135 | ||
1136 | BLOCK_INPUT; | |
1137 | if (n >= 0) | |
1138 | stufflines (n); | |
1139 | else | |
1140 | scraplines (-n); | |
1141 | XFlushQueue (); | |
1142 | UNBLOCK_INPUT; | |
1143 | } | |
1144 | \f | |
f451eb13 | 1145 | /* Support routines for exposure events. */ |
dc6f92b8 JB |
1146 | static void clear_cursor (); |
1147 | ||
f676886a JB |
1148 | /* Output into a rectangle of an X-window (for frame F) |
1149 | the characters in f->phys_lines that overlap that rectangle. | |
dc6f92b8 | 1150 | TOP and LEFT are the position of the upper left corner of the rectangle. |
f94397b5 KH |
1151 | ROWS and COLS are the size of the rectangle. |
1152 | Call this function with input blocked. */ | |
dc6f92b8 JB |
1153 | |
1154 | static void | |
f676886a JB |
1155 | dumprectangle (f, left, top, cols, rows) |
1156 | struct frame *f; | |
dc6f92b8 JB |
1157 | register int left, top, cols, rows; |
1158 | { | |
f676886a | 1159 | register struct frame_glyphs *active_frame = FRAME_CURRENT_GLYPHS (f); |
dc6f92b8 JB |
1160 | int cursor_cleared = 0; |
1161 | int bottom, right; | |
1162 | register int y; | |
1163 | ||
f676886a | 1164 | if (FRAME_GARBAGED_P (f)) |
dc6f92b8 JB |
1165 | return; |
1166 | ||
dc6f92b8 JB |
1167 | /* Express rectangle as four edges, instead of position-and-size. */ |
1168 | bottom = top + rows; | |
1169 | right = left + cols; | |
1170 | ||
1171 | #ifndef HAVE_X11 /* Window manger does this for X11. */ | |
12ba150f JB |
1172 | { |
1173 | int intborder = f->display.x->internal_border_width; | |
1174 | ||
1175 | /* If the rectangle includes any of the internal border area, | |
1176 | redisplay the border emphasis. */ | |
1177 | if (top < intborder || left < intborder | |
1178 | || bottom > intborder + f->height * FONT_HEIGHT (f->display.x->font) | |
1179 | || right > intborder + f->width * FONT_WIDTH (f->display.x->font)) | |
1180 | dumpborder (f, 0); | |
1181 | } | |
d065dd2e | 1182 | #endif /* HAVE_X11 Window manger does this for X11. */ |
dc6f92b8 JB |
1183 | |
1184 | /* Convert rectangle edges in pixels to edges in chars. | |
1185 | Round down for left and top, up for right and bottom. */ | |
12ba150f JB |
1186 | top = PIXEL_TO_CHAR_ROW (f, top); |
1187 | left = PIXEL_TO_CHAR_COL (f, left); | |
f676886a JB |
1188 | bottom += (FONT_HEIGHT (f->display.x->font) - 1); |
1189 | right += (FONT_WIDTH (f->display.x->font) - 1); | |
12ba150f JB |
1190 | bottom = PIXEL_TO_CHAR_ROW (f, bottom); |
1191 | right = PIXEL_TO_CHAR_COL (f, right); | |
dc6f92b8 JB |
1192 | |
1193 | /* Clip the rectangle to what can be visible. */ | |
1194 | if (left < 0) | |
1195 | left = 0; | |
1196 | if (top < 0) | |
1197 | top = 0; | |
f676886a JB |
1198 | if (right > f->width) |
1199 | right = f->width; | |
1200 | if (bottom > f->height) | |
1201 | bottom = f->height; | |
dc6f92b8 JB |
1202 | |
1203 | /* Get size in chars of the rectangle. */ | |
1204 | cols = right - left; | |
1205 | rows = bottom - top; | |
1206 | ||
1207 | /* If rectangle has zero area, return. */ | |
1208 | if (rows <= 0) return; | |
1209 | if (cols <= 0) return; | |
1210 | ||
1211 | /* Turn off the cursor if it is in the rectangle. | |
1212 | We will turn it back on afterward. */ | |
f676886a JB |
1213 | if ((f->phys_cursor_x >= left) && (f->phys_cursor_x < right) |
1214 | && (f->phys_cursor_y >= top) && (f->phys_cursor_y < bottom)) | |
dc6f92b8 | 1215 | { |
f676886a | 1216 | clear_cursor (f); |
dc6f92b8 JB |
1217 | cursor_cleared = 1; |
1218 | } | |
1219 | ||
1220 | /* Display the text in the rectangle, one text line at a time. */ | |
1221 | ||
1222 | for (y = top; y < bottom; y++) | |
1223 | { | |
f676886a | 1224 | GLYPH *line = &active_frame->glyphs[y][left]; |
dc6f92b8 | 1225 | |
f676886a | 1226 | if (! active_frame->enable[y] || left > active_frame->used[y]) |
dc6f92b8 JB |
1227 | continue; |
1228 | ||
f676886a | 1229 | dumpglyphs (f, |
12ba150f JB |
1230 | CHAR_TO_PIXEL_COL (f, left), |
1231 | CHAR_TO_PIXEL_ROW (f, y), | |
1232 | line, min (cols, active_frame->used[y] - left), | |
07e34cb0 | 1233 | active_frame->highlight[y]); |
dc6f92b8 JB |
1234 | } |
1235 | ||
1236 | /* Turn the cursor on if we turned it off. */ | |
1237 | ||
1238 | if (cursor_cleared) | |
f676886a | 1239 | x_display_cursor (f, 1); |
dc6f92b8 JB |
1240 | } |
1241 | ||
1242 | #ifndef HAVE_X11 | |
1243 | /* Process all queued ExposeRegion events. */ | |
1244 | ||
1245 | static void | |
1246 | dumpqueue () | |
1247 | { | |
1248 | register int i; | |
1249 | XExposeRegionEvent r; | |
1250 | ||
1251 | while (dequeue_event (&r, &x_expose_queue)) | |
1252 | { | |
f676886a JB |
1253 | struct frame *f = x_window_to_frame (r.window); |
1254 | if (f->display.x->icon_desc == r.window) | |
1255 | refreshicon (f); | |
dc6f92b8 | 1256 | else |
f676886a | 1257 | dumprectangle (f, r.x, r.y, r.width, r.height); |
dc6f92b8 JB |
1258 | } |
1259 | XFlushQueue (); | |
1260 | } | |
c118dd06 | 1261 | #endif /* HAVE_X11 */ |
dc6f92b8 | 1262 | \f |
f451eb13 | 1263 | /* Process all expose events that are pending, for X10. |
f676886a JB |
1264 | Redraws the cursor if necessary on any frame that |
1265 | is not in the process of being updated with update_frame. */ | |
dc6f92b8 | 1266 | |
f451eb13 | 1267 | #ifndef HAVE_X11 |
dc6f92b8 JB |
1268 | static void |
1269 | x_do_pending_expose () | |
1270 | { | |
1271 | int mask; | |
f676886a JB |
1272 | struct frame *f; |
1273 | Lisp_Object tail, frame; | |
dc6f92b8 JB |
1274 | |
1275 | if (expose_all_windows) | |
1276 | { | |
1277 | expose_all_windows = 0; | |
f676886a | 1278 | for (tail = Vframe_list; CONSP (tail); tail = XCONS (tail)->cdr) |
dc6f92b8 JB |
1279 | { |
1280 | register int temp_width, temp_height; | |
1281 | int intborder; | |
1282 | ||
f676886a | 1283 | frame = XCONS (tail)->car; |
ab648270 | 1284 | if (XGCTYPE (frame) != Lisp_Frame) |
dc6f92b8 | 1285 | continue; |
f676886a | 1286 | f = XFRAME (frame); |
b1c884c3 | 1287 | if (! FRAME_X_P (f)) |
dc6f92b8 | 1288 | continue; |
3a88c238 | 1289 | if (!f->async_visible) |
dc6f92b8 | 1290 | continue; |
f676886a | 1291 | if (!f->display.x->needs_exposure) |
dc6f92b8 JB |
1292 | continue; |
1293 | ||
f676886a | 1294 | intborder = f->display.x->internal_border_width; |
dc6f92b8 | 1295 | |
f676886a | 1296 | clear_cursor (f); |
c118dd06 | 1297 | XGetWindowInfo (FRAME_X_WINDOW (f), &windowinfo); |
dc6f92b8 | 1298 | temp_width = ((windowinfo.width - 2 * intborder |
ab648270 | 1299 | - f->display.x->v_scroll_bar_width) |
f676886a | 1300 | / FONT_WIDTH (f->display.x->font)); |
dc6f92b8 | 1301 | temp_height = ((windowinfo.height- 2 * intborder |
ab648270 | 1302 | - f->display.x->h_scroll_bar_height) |
f676886a JB |
1303 | / FONT_HEIGHT (f->display.x->font)); |
1304 | if (temp_width != f->width || temp_height != f->height) | |
dc6f92b8 | 1305 | { |
f676886a | 1306 | change_frame_size (f, max (1, temp_height), |
b1c884c3 | 1307 | max (1, temp_width), 0, 1); |
ab648270 | 1308 | x_resize_scroll_bars (f); |
dc6f92b8 | 1309 | } |
f676886a JB |
1310 | f->display.x->left_pos = windowinfo.x; |
1311 | f->display.x->top_pos = windowinfo.y; | |
1312 | dumprectangle (f, 0, 0, PIXEL_WIDTH (f), PIXEL_HEIGHT (f)); | |
dc6f92b8 | 1313 | #if 0 |
f676886a | 1314 | dumpborder (f, 0); |
c118dd06 | 1315 | #endif /* ! 0 */ |
f676886a JB |
1316 | f->display.x->needs_exposure = 0; |
1317 | if (updating_frame != f) | |
1318 | x_display_cursor (f, 1); | |
dc6f92b8 JB |
1319 | XFlushQueue (); |
1320 | } | |
1321 | } | |
1322 | else | |
1323 | /* Handle any individual-rectangle expose events queued | |
1324 | for various windows. */ | |
1325 | #ifdef HAVE_X11 | |
1326 | ; | |
c118dd06 | 1327 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1328 | dumpqueue (); |
c118dd06 | 1329 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1330 | } |
f451eb13 | 1331 | #endif |
dc6f92b8 JB |
1332 | |
1333 | #ifdef HAVE_X11 | |
1334 | static void | |
f676886a JB |
1335 | frame_highlight (frame) |
1336 | struct frame *frame; | |
dc6f92b8 | 1337 | { |
b3e1e05c JB |
1338 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1339 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1340 | and border pixel are window attributes which are "private to the | |
1341 | client", so we can always change it to whatever we want. */ | |
1342 | BLOCK_INPUT; | |
1343 | XSetWindowBorder (x_current_display, FRAME_X_WINDOW (frame), | |
1344 | frame->display.x->border_pixel); | |
1345 | UNBLOCK_INPUT; | |
f676886a | 1346 | x_display_cursor (frame, 1); |
dc6f92b8 JB |
1347 | } |
1348 | ||
1349 | static void | |
f676886a JB |
1350 | frame_unhighlight (frame) |
1351 | struct frame *frame; | |
dc6f92b8 | 1352 | { |
b3e1e05c JB |
1353 | /* We used to only do this if Vx_no_window_manager was non-nil, but |
1354 | the ICCCM (section 4.1.6) says that the window's border pixmap | |
1355 | and border pixel are window attributes which are "private to the | |
1356 | client", so we can always change it to whatever we want. */ | |
1357 | BLOCK_INPUT; | |
1358 | XSetWindowBorderPixmap (x_current_display, FRAME_X_WINDOW (frame), | |
1359 | frame->display.x->border_tile); | |
1360 | UNBLOCK_INPUT; | |
f676886a | 1361 | x_display_cursor (frame, 1); |
dc6f92b8 | 1362 | } |
c118dd06 | 1363 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
1364 | /* Dump the border-emphasis of frame F. |
1365 | If F is selected, this is a lining of the same color as the border, | |
dc6f92b8 | 1366 | just within the border, occupying a portion of the internal border. |
f676886a | 1367 | If F is not selected, it is background in the same place. |
dc6f92b8 JB |
1368 | If ALWAYS is 0, don't bother explicitly drawing if it's background. |
1369 | ||
f676886a | 1370 | ALWAYS = 1 is used when a frame becomes selected or deselected. |
dc6f92b8 JB |
1371 | In that case, we also turn the cursor off and on again |
1372 | so it will appear in the proper shape (solid if selected; else hollow.) */ | |
1373 | ||
1374 | static void | |
f676886a JB |
1375 | dumpborder (f, always) |
1376 | struct frame *f; | |
dc6f92b8 JB |
1377 | int always; |
1378 | { | |
f676886a JB |
1379 | int thickness = f->display.x->internal_border_width / 2; |
1380 | int width = PIXEL_WIDTH (f); | |
1381 | int height = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
1382 | int pixel; |
1383 | ||
f676886a | 1384 | if (f != selected_frame) |
dc6f92b8 JB |
1385 | { |
1386 | if (!always) | |
1387 | return; | |
1388 | ||
f676886a | 1389 | pixel = f->display.x->background_pixel; |
dc6f92b8 JB |
1390 | } |
1391 | else | |
1392 | { | |
f676886a | 1393 | pixel = f->display.x->border_pixel; |
dc6f92b8 JB |
1394 | } |
1395 | ||
c118dd06 JB |
1396 | XPixSet (FRAME_X_WINDOW (f), 0, 0, width, thickness, pixel); |
1397 | XPixSet (FRAME_X_WINDOW (f), 0, 0, thickness, height, pixel); | |
1398 | XPixSet (FRAME_X_WINDOW (f), 0, height - thickness, width, | |
dc6f92b8 | 1399 | thickness, pixel); |
c118dd06 | 1400 | XPixSet (FRAME_X_WINDOW (f), width - thickness, 0, thickness, |
dc6f92b8 JB |
1401 | height, pixel); |
1402 | ||
1403 | if (always) | |
f676886a | 1404 | x_display_cursor (f, 1); |
dc6f92b8 | 1405 | } |
c118dd06 | 1406 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1407 | |
f676886a | 1408 | static void XTframe_rehighlight (); |
6d4238f3 | 1409 | |
f676886a JB |
1410 | /* The focus has changed. Update the frames as necessary to reflect |
1411 | the new situation. Note that we can't change the selected frame | |
dc6f92b8 | 1412 | here, because the lisp code we are interrupting might become confused. |
eb8c3be9 | 1413 | Each event gets marked with the frame in which it occurred, so the |
6d4238f3 | 1414 | lisp code can tell when the switch took place by examining the events. */ |
dc6f92b8 | 1415 | |
6d4238f3 | 1416 | static void |
f676886a JB |
1417 | x_new_focus_frame (frame) |
1418 | struct frame *frame; | |
dc6f92b8 | 1419 | { |
f676886a | 1420 | struct frame *old_focus = x_focus_frame; |
dc6f92b8 JB |
1421 | int events_enqueued = 0; |
1422 | ||
f676886a | 1423 | if (frame != x_focus_frame) |
dc6f92b8 | 1424 | { |
6d4238f3 | 1425 | /* Set this before calling other routines, so that they see |
f676886a JB |
1426 | the correct value of x_focus_frame. */ |
1427 | x_focus_frame = frame; | |
6d4238f3 JB |
1428 | |
1429 | if (old_focus && old_focus->auto_lower) | |
f676886a | 1430 | x_lower_frame (old_focus); |
dc6f92b8 JB |
1431 | |
1432 | #if 0 | |
f676886a JB |
1433 | selected_frame = frame; |
1434 | XSET (XWINDOW (selected_frame->selected_window)->frame, | |
1435 | Lisp_Frame, selected_frame); | |
1436 | Fselect_window (selected_frame->selected_window); | |
1437 | choose_minibuf_frame (); | |
c118dd06 | 1438 | #endif /* ! 0 */ |
dc6f92b8 | 1439 | |
f676886a JB |
1440 | if (x_focus_frame && x_focus_frame->auto_raise) |
1441 | x_raise_frame (x_focus_frame); | |
6d4238f3 | 1442 | } |
dc6f92b8 | 1443 | |
f676886a | 1444 | XTframe_rehighlight (); |
6d4238f3 JB |
1445 | } |
1446 | ||
1447 | ||
f451eb13 JB |
1448 | /* The focus has changed, or we have redirected a frame's focus to |
1449 | another frame (this happens when a frame uses a surrogate | |
1450 | minibuffer frame). Shift the highlight as appropriate. */ | |
6d4238f3 | 1451 | static void |
f676886a | 1452 | XTframe_rehighlight () |
6d4238f3 | 1453 | { |
f676886a | 1454 | struct frame *old_highlight = x_highlight_frame; |
6d4238f3 | 1455 | |
f676886a | 1456 | if (x_focus_frame) |
6d4238f3 | 1457 | { |
f451eb13 | 1458 | x_highlight_frame = |
ab648270 | 1459 | ((XGCTYPE (FRAME_FOCUS_FRAME (x_focus_frame)) == Lisp_Frame) |
f451eb13 JB |
1460 | ? XFRAME (FRAME_FOCUS_FRAME (x_focus_frame)) |
1461 | : x_focus_frame); | |
1462 | if (! FRAME_LIVE_P (x_highlight_frame)) | |
1463 | { | |
1464 | FRAME_FOCUS_FRAME (x_focus_frame) = Qnil; | |
1465 | x_highlight_frame = x_focus_frame; | |
1466 | } | |
dc6f92b8 | 1467 | } |
6d4238f3 | 1468 | else |
f676886a | 1469 | x_highlight_frame = 0; |
dc6f92b8 | 1470 | |
f676886a | 1471 | if (x_highlight_frame != old_highlight) |
6d4238f3 JB |
1472 | { |
1473 | if (old_highlight) | |
f676886a JB |
1474 | frame_unhighlight (old_highlight); |
1475 | if (x_highlight_frame) | |
1476 | frame_highlight (x_highlight_frame); | |
6d4238f3 | 1477 | } |
dc6f92b8 JB |
1478 | } |
1479 | \f | |
e4571a43 | 1480 | /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */ |
dc6f92b8 | 1481 | |
28430d3c JB |
1482 | /* Which modifier keys are on which modifier bits? |
1483 | ||
1484 | With each keystroke, X returns eight bits indicating which modifier | |
11edeb03 JB |
1485 | keys were held down when the key was pressed. The interpretation |
1486 | of the top five modifier bits depends on what keys are attached | |
28430d3c JB |
1487 | to them. If the Meta_L and Meta_R keysyms are on mod5, then mod5 |
1488 | is the meta bit. | |
1489 | ||
1490 | x_meta_mod_mask is a mask containing the bits used for the meta key. | |
1491 | It may have more than one bit set, if more than one modifier bit | |
1492 | has meta keys on it. Basically, if EVENT is a KeyPress event, | |
11edeb03 JB |
1493 | the meta key is pressed if (EVENT.state & x_meta_mod_mask) != 0. |
1494 | ||
1495 | x_shift_lock_mask is LockMask if the XK_Shift_Lock keysym is on the | |
1496 | lock modifier bit, or zero otherwise. Non-alphabetic keys should | |
1497 | only be affected by the lock modifier bit if XK_Shift_Lock is in | |
1498 | use; XK_Caps_Lock should only affect alphabetic keys. With this | |
1499 | arrangement, the lock modifier should shift the character if | |
1500 | (EVENT.state & x_shift_lock_mask) != 0. */ | |
1501 | static int x_meta_mod_mask, x_shift_lock_mask; | |
28430d3c | 1502 | |
a3c44b14 RS |
1503 | /* These are like x_meta_mod_mask, but for different modifiers. */ |
1504 | static int x_alt_mod_mask, x_super_mod_mask, x_hyper_mod_mask; | |
1505 | ||
28430d3c JB |
1506 | /* Initialize mode_switch_bit and modifier_meaning. */ |
1507 | static void | |
1508 | x_find_modifier_meanings () | |
1509 | { | |
f689eb05 | 1510 | int min_code, max_code; |
28430d3c JB |
1511 | KeySym *syms; |
1512 | int syms_per_code; | |
1513 | XModifierKeymap *mods; | |
1514 | ||
1515 | x_meta_mod_mask = 0; | |
11edeb03 | 1516 | x_shift_lock_mask = 0; |
a3c44b14 RS |
1517 | x_alt_mod_mask = 0; |
1518 | x_super_mod_mask = 0; | |
1519 | x_hyper_mod_mask = 0; | |
28430d3c | 1520 | |
9658a521 | 1521 | #ifdef HAVE_X11R4 |
28430d3c | 1522 | XDisplayKeycodes (x_current_display, &min_code, &max_code); |
9658a521 JB |
1523 | #else |
1524 | min_code = x_current_display->min_keycode; | |
1525 | max_code = x_current_display->max_keycode; | |
1526 | #endif | |
1527 | ||
28430d3c JB |
1528 | syms = XGetKeyboardMapping (x_current_display, |
1529 | min_code, max_code - min_code + 1, | |
1530 | &syms_per_code); | |
1531 | mods = XGetModifierMapping (x_current_display); | |
1532 | ||
11edeb03 JB |
1533 | /* Scan the modifier table to see which modifier bits the Meta and |
1534 | Alt keysyms are on. */ | |
28430d3c JB |
1535 | { |
1536 | int row, col; /* The row and column in the modifier table. */ | |
1537 | ||
1538 | for (row = 3; row < 8; row++) | |
1539 | for (col = 0; col < mods->max_keypermod; col++) | |
1540 | { | |
1541 | KeyCode code = | |
1542 | mods->modifiermap[(row * mods->max_keypermod) + col]; | |
1543 | ||
1544 | /* Are any of this keycode's keysyms a meta key? */ | |
1545 | { | |
1546 | int code_col; | |
1547 | ||
1548 | for (code_col = 0; code_col < syms_per_code; code_col++) | |
1549 | { | |
f689eb05 | 1550 | int sym = syms[((code - min_code) * syms_per_code) + code_col]; |
28430d3c | 1551 | |
f689eb05 | 1552 | switch (sym) |
28430d3c | 1553 | { |
f689eb05 JB |
1554 | case XK_Meta_L: |
1555 | case XK_Meta_R: | |
28430d3c JB |
1556 | x_meta_mod_mask |= (1 << row); |
1557 | break; | |
f689eb05 JB |
1558 | |
1559 | case XK_Alt_L: | |
1560 | case XK_Alt_R: | |
a3c44b14 RS |
1561 | x_alt_mod_mask |= (1 << row); |
1562 | break; | |
1563 | ||
1564 | case XK_Hyper_L: | |
1565 | case XK_Hyper_R: | |
1566 | x_hyper_mod_mask |= (1 << row); | |
1567 | break; | |
1568 | ||
1569 | case XK_Super_L: | |
1570 | case XK_Super_R: | |
1571 | x_super_mod_mask |= (1 << row); | |
f689eb05 | 1572 | break; |
11edeb03 JB |
1573 | |
1574 | case XK_Shift_Lock: | |
1575 | /* Ignore this if it's not on the lock modifier. */ | |
1576 | if ((1 << row) == LockMask) | |
1577 | x_shift_lock_mask = LockMask; | |
1578 | break; | |
28430d3c JB |
1579 | } |
1580 | } | |
1581 | } | |
1582 | } | |
1583 | } | |
1584 | ||
f689eb05 JB |
1585 | /* If we couldn't find any meta keys, accept any alt keys as meta keys. */ |
1586 | if (! x_meta_mod_mask) | |
a3c44b14 RS |
1587 | { |
1588 | x_meta_mod_mask = x_alt_mod_mask; | |
1589 | x_alt_mod_mask = 0; | |
1590 | } | |
f689eb05 | 1591 | |
148c4b70 RS |
1592 | /* If some keys are both alt and meta, |
1593 | make them just meta, not alt. */ | |
1594 | if (x_alt_mod_mask & x_meta_mod_mask) | |
1595 | { | |
1596 | x_alt_mod_mask &= ~x_meta_mod_mask; | |
1597 | } | |
1598 | ||
28430d3c | 1599 | XFree ((char *) syms); |
f689eb05 | 1600 | XFreeModifiermap (mods); |
28430d3c JB |
1601 | } |
1602 | ||
3afe33e7 RS |
1603 | /* Prepare a menu-event in *RESULT for placement in the input queue. */ |
1604 | ||
1605 | static Lisp_Object | |
1606 | construct_menu_click (result, event, f) | |
1607 | struct input_event *result; | |
1608 | XButtonEvent *event; | |
1609 | struct frame *f; | |
1610 | { | |
1611 | /* Make the event type no_event; we'll change that when we decide | |
1612 | otherwise. */ | |
1613 | result->kind = mouse_click; | |
1614 | XSET (result->code, Lisp_Int, event->button - Button1); | |
1615 | result->timestamp = event->time; | |
1616 | result->modifiers = (x_x_to_emacs_modifiers (event->state) | |
1617 | | (event->type == ButtonRelease | |
1618 | ? up_modifier | |
1619 | : down_modifier)); | |
1620 | ||
1621 | { | |
1622 | XFASTINT (result->x) = event->x; | |
1623 | XFASTINT (result->y) = -1; /* special meaning for menubar */ | |
1624 | XSET (result->frame_or_window, Lisp_Frame, f); | |
1625 | } | |
1626 | } | |
28430d3c | 1627 | |
dfeccd2d JB |
1628 | /* Convert between the modifier bits X uses and the modifier bits |
1629 | Emacs uses. */ | |
7c5283e4 | 1630 | static unsigned int |
dfeccd2d | 1631 | x_x_to_emacs_modifiers (state) |
dc6f92b8 JB |
1632 | unsigned int state; |
1633 | { | |
11edeb03 JB |
1634 | return ( ((state & (ShiftMask | x_shift_lock_mask)) ? shift_modifier : 0) |
1635 | | ((state & ControlMask) ? ctrl_modifier : 0) | |
a3c44b14 RS |
1636 | | ((state & x_meta_mod_mask) ? meta_modifier : 0) |
1637 | | ((state & x_alt_mod_mask) ? alt_modifier : 0) | |
1638 | | ((state & x_super_mod_mask) ? super_modifier : 0) | |
1639 | | ((state & x_hyper_mod_mask) ? hyper_modifier : 0)); | |
dc6f92b8 JB |
1640 | } |
1641 | ||
dfeccd2d JB |
1642 | static unsigned int |
1643 | x_emacs_to_x_modifiers (state) | |
1644 | unsigned int state; | |
1645 | { | |
1646 | return ( ((state & alt_modifier) ? x_alt_mod_mask : 0) | |
1647 | | ((state & super_modifier) ? x_super_mod_mask : 0) | |
1648 | | ((state & hyper_modifier) ? x_hyper_mod_mask : 0) | |
1649 | | ((state & shift_modifier) ? ShiftMask : 0) | |
1650 | | ((state & ctrl_modifier) ? ControlMask : 0) | |
1651 | | ((state & meta_modifier) ? x_meta_mod_mask : 0)); | |
1652 | } | |
1653 | ||
e4571a43 JB |
1654 | /* Return true iff KEYSYM is a vendor-specific keysym that we should |
1655 | return as a function key. If you add a keysym to this, you should | |
1656 | make sure that the tables make_lispy_event uses contain a suitable | |
1657 | name for it. */ | |
1658 | static int | |
1659 | x_is_vendor_fkey (sym) | |
1660 | KeySym sym; | |
1661 | { | |
1662 | return 0 | |
1663 | #ifdef DXK_Remove | |
1664 | || (sym == DXK_Remove) | |
1665 | #endif | |
1666 | ; | |
1667 | } | |
1668 | ||
1669 | \f | |
1670 | /* Mouse clicks and mouse movement. Rah. */ | |
1671 | #ifdef HAVE_X11 | |
1672 | ||
1673 | /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return | |
1674 | glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle | |
69388238 RS |
1675 | that the glyph at X, Y occupies, if BOUNDS != 0. |
1676 | If NOCLIP is nonzero, do not force the value into range. */ | |
1677 | ||
e4571a43 | 1678 | static void |
69388238 | 1679 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) |
e4571a43 | 1680 | FRAME_PTR f; |
69388238 | 1681 | register int pix_x, pix_y; |
e4571a43 JB |
1682 | register int *x, *y; |
1683 | XRectangle *bounds; | |
69388238 | 1684 | int noclip; |
e4571a43 | 1685 | { |
69388238 RS |
1686 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
1687 | even for negative values. */ | |
1688 | if (pix_x < 0) | |
1689 | pix_x -= FONT_WIDTH ((f)->display.x->font) - 1; | |
1690 | if (pix_y < 0) | |
1691 | pix_y -= FONT_HEIGHT ((f)->display.x->font) - 1; | |
1692 | ||
e4571a43 JB |
1693 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); |
1694 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
1695 | ||
1696 | if (bounds) | |
1697 | { | |
1698 | bounds->width = FONT_WIDTH (f->display.x->font); | |
1699 | bounds->height = FONT_HEIGHT (f->display.x->font); | |
1700 | bounds->x = CHAR_TO_PIXEL_COL (f, pix_x); | |
1701 | bounds->y = CHAR_TO_PIXEL_ROW (f, pix_y); | |
1702 | } | |
1703 | ||
69388238 RS |
1704 | if (!noclip) |
1705 | { | |
1706 | if (pix_x < 0) | |
1707 | pix_x = 0; | |
1708 | else if (pix_x > f->width) | |
1709 | pix_x = f->width; | |
1710 | ||
1711 | if (pix_y < 0) | |
1712 | pix_y = 0; | |
1713 | else if (pix_y > f->height) | |
1714 | pix_y = f->height; | |
1715 | } | |
e4571a43 JB |
1716 | |
1717 | *x = pix_x; | |
1718 | *y = pix_y; | |
1719 | } | |
1720 | ||
dc6f92b8 JB |
1721 | /* Prepare a mouse-event in *RESULT for placement in the input queue. |
1722 | ||
1723 | If the event is a button press, then note that we have grabbed | |
f451eb13 | 1724 | the mouse. */ |
dc6f92b8 JB |
1725 | |
1726 | static Lisp_Object | |
f451eb13 | 1727 | construct_mouse_click (result, event, f) |
dc6f92b8 JB |
1728 | struct input_event *result; |
1729 | XButtonEvent *event; | |
f676886a | 1730 | struct frame *f; |
dc6f92b8 | 1731 | { |
f451eb13 | 1732 | /* Make the event type no_event; we'll change that when we decide |
dc6f92b8 | 1733 | otherwise. */ |
f451eb13 | 1734 | result->kind = mouse_click; |
69388238 | 1735 | result->code = event->button - Button1; |
1113d9db | 1736 | result->timestamp = event->time; |
dfeccd2d | 1737 | result->modifiers = (x_x_to_emacs_modifiers (event->state) |
f689eb05 JB |
1738 | | (event->type == ButtonRelease |
1739 | ? up_modifier | |
1740 | : down_modifier)); | |
dc6f92b8 JB |
1741 | |
1742 | /* Notice if the mouse is still grabbed. */ | |
1743 | if (event->type == ButtonPress) | |
1744 | { | |
1745 | if (! x_mouse_grabbed) | |
1746 | Vmouse_depressed = Qt; | |
90e65f07 | 1747 | x_mouse_grabbed |= (1 << event->button); |
69388238 | 1748 | last_mouse_frame = f; |
dc6f92b8 JB |
1749 | } |
1750 | else if (event->type == ButtonRelease) | |
1751 | { | |
90e65f07 | 1752 | x_mouse_grabbed &= ~(1 << event->button); |
dc6f92b8 JB |
1753 | if (!x_mouse_grabbed) |
1754 | Vmouse_depressed = Qnil; | |
1755 | } | |
1756 | ||
f451eb13 JB |
1757 | { |
1758 | int row, column; | |
dc6f92b8 | 1759 | |
69388238 | 1760 | pixel_to_glyph_coords (f, event->x, event->y, &column, &row, NULL, 0); |
f451eb13 JB |
1761 | XFASTINT (result->x) = column; |
1762 | XFASTINT (result->y) = row; | |
12ba150f | 1763 | XSET (result->frame_or_window, Lisp_Frame, f); |
f451eb13 | 1764 | } |
dc6f92b8 | 1765 | } |
69388238 | 1766 | \f |
90e65f07 JB |
1767 | /* Function to report a mouse movement to the mainstream Emacs code. |
1768 | The input handler calls this. | |
1769 | ||
1770 | We have received a mouse movement event, which is given in *event. | |
1771 | If the mouse is over a different glyph than it was last time, tell | |
1772 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
1773 | another motion event, so we can check again the next time it moves. */ | |
1774 | static void | |
12ba150f | 1775 | note_mouse_movement (frame, event) |
f676886a | 1776 | FRAME_PTR frame; |
90e65f07 JB |
1777 | XMotionEvent *event; |
1778 | ||
1779 | { | |
e5d77022 JB |
1780 | last_mouse_movement_time = event->time; |
1781 | ||
90e65f07 JB |
1782 | /* Has the mouse moved off the glyph it was on at the last sighting? */ |
1783 | if (event->x < last_mouse_glyph.x | |
1784 | || event->x >= last_mouse_glyph.x + last_mouse_glyph.width | |
1785 | || event->y < last_mouse_glyph.y | |
1786 | || event->y >= last_mouse_glyph.y + last_mouse_glyph.height) | |
12ba150f JB |
1787 | { |
1788 | mouse_moved = 1; | |
ab648270 | 1789 | last_mouse_scroll_bar = Qnil; |
12ba150f | 1790 | } |
90e65f07 JB |
1791 | else |
1792 | { | |
1793 | /* It's on the same glyph. Call XQueryPointer so we'll get an | |
1794 | event the next time the mouse moves and we can see if it's | |
1795 | *still* on the same glyph. */ | |
1796 | int dummy; | |
1797 | ||
1798 | XQueryPointer (event->display, event->window, | |
1799 | (Window *) &dummy, (Window *) &dummy, | |
1800 | &dummy, &dummy, &dummy, &dummy, | |
1801 | (unsigned int *) &dummy); | |
1802 | } | |
1803 | } | |
1804 | ||
ab648270 JB |
1805 | static struct scroll_bar *x_window_to_scroll_bar (); |
1806 | static void x_scroll_bar_report_motion (); | |
12ba150f | 1807 | |
90e65f07 JB |
1808 | /* Return the current position of the mouse. |
1809 | ||
ab648270 JB |
1810 | If the mouse movement started in a scroll bar, set *f, *bar_window, |
1811 | and *part to the frame, window, and scroll bar part that the mouse | |
12ba150f | 1812 | is over. Set *x and *y to the portion and whole of the mouse's |
ab648270 | 1813 | position on the scroll bar. |
12ba150f JB |
1814 | |
1815 | If the mouse movement started elsewhere, set *f to the frame the | |
1816 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
1817 | the mouse is over. | |
1818 | ||
1819 | Set *time to the server timestamp for the time at which the mouse | |
1820 | was at this position. | |
1821 | ||
a135645a RS |
1822 | Don't store anything if we don't have a valid set of values to report. |
1823 | ||
90e65f07 | 1824 | This clears the mouse_moved flag, so we can wait for the next mouse |
12ba150f JB |
1825 | movement. This also calls XQueryPointer, which will cause the |
1826 | server to give us another MotionNotify when the mouse moves | |
1827 | again. */ | |
90e65f07 JB |
1828 | |
1829 | static void | |
12ba150f | 1830 | XTmouse_position (f, bar_window, part, x, y, time) |
472895ad | 1831 | FRAME_PTR *f; |
12ba150f | 1832 | Lisp_Object *bar_window; |
ab648270 | 1833 | enum scroll_bar_part *part; |
90e65f07 | 1834 | Lisp_Object *x, *y; |
e5d77022 | 1835 | unsigned long *time; |
90e65f07 | 1836 | { |
a135645a RS |
1837 | FRAME_PTR f1; |
1838 | ||
90e65f07 JB |
1839 | BLOCK_INPUT; |
1840 | ||
ab648270 JB |
1841 | if (! NILP (last_mouse_scroll_bar)) |
1842 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time); | |
90e65f07 JB |
1843 | else |
1844 | { | |
12ba150f JB |
1845 | Window root; |
1846 | int root_x, root_y; | |
90e65f07 | 1847 | |
12ba150f JB |
1848 | Window dummy_window; |
1849 | int dummy; | |
1850 | ||
1851 | mouse_moved = 0; | |
ab648270 | 1852 | last_mouse_scroll_bar = Qnil; |
12ba150f JB |
1853 | |
1854 | /* Figure out which root window we're on. */ | |
1855 | XQueryPointer (x_current_display, | |
1856 | DefaultRootWindow (x_current_display), | |
1857 | ||
1858 | /* The root window which contains the pointer. */ | |
1859 | &root, | |
1860 | ||
1861 | /* Trash which we can't trust if the pointer is on | |
1862 | a different screen. */ | |
1863 | &dummy_window, | |
1864 | ||
1865 | /* The position on that root window. */ | |
1866 | &root_x, &root_y, | |
1867 | ||
1868 | /* More trash we can't trust. */ | |
1869 | &dummy, &dummy, | |
1870 | ||
1871 | /* Modifier keys and pointer buttons, about which | |
1872 | we don't care. */ | |
1873 | (unsigned int *) &dummy); | |
1874 | ||
1875 | /* Now we have a position on the root; find the innermost window | |
1876 | containing the pointer. */ | |
1877 | { | |
1878 | Window win, child; | |
1879 | int win_x, win_y; | |
1880 | int parent_x, parent_y; | |
1881 | ||
1882 | win = root; | |
69388238 RS |
1883 | |
1884 | if (x_mouse_grabbed) | |
12ba150f | 1885 | { |
69388238 RS |
1886 | /* If mouse was grabbed on a frame, give coords for that frame |
1887 | even if the mouse is now outside it. */ | |
12ba150f | 1888 | XTranslateCoordinates (x_current_display, |
69388238 | 1889 | |
12ba150f | 1890 | /* From-window, to-window. */ |
69388238 | 1891 | root, FRAME_X_WINDOW (last_mouse_frame), |
12ba150f JB |
1892 | |
1893 | /* From-position, to-position. */ | |
1894 | root_x, root_y, &win_x, &win_y, | |
1895 | ||
1896 | /* Child of win. */ | |
1897 | &child); | |
69388238 RS |
1898 | f1 = last_mouse_frame; |
1899 | } | |
1900 | else | |
1901 | { | |
1902 | while (1) | |
1903 | { | |
1904 | XTranslateCoordinates (x_current_display, | |
12ba150f | 1905 | |
69388238 RS |
1906 | /* From-window, to-window. */ |
1907 | root, win, | |
12ba150f | 1908 | |
69388238 RS |
1909 | /* From-position, to-position. */ |
1910 | root_x, root_y, &win_x, &win_y, | |
1911 | ||
1912 | /* Child of win. */ | |
1913 | &child); | |
1914 | ||
1915 | if (child == None) | |
1916 | break; | |
1917 | ||
1918 | win = child; | |
1919 | parent_x = win_x; | |
1920 | parent_y = win_y; | |
1921 | } | |
12ba150f | 1922 | |
69388238 RS |
1923 | /* Now we know that: |
1924 | win is the innermost window containing the pointer | |
1925 | (XTC says it has no child containing the pointer), | |
1926 | win_x and win_y are the pointer's position in it | |
1927 | (XTC did this the last time through), and | |
1928 | parent_x and parent_y are the pointer's position in win's parent. | |
1929 | (They are what win_x and win_y were when win was child. | |
1930 | If win is the root window, it has no parent, and | |
1931 | parent_{x,y} are invalid, but that's okay, because we'll | |
1932 | never use them in that case.) */ | |
1933 | ||
1934 | /* Is win one of our frames? */ | |
1935 | f1 = x_window_to_frame (win); | |
1936 | } | |
12ba150f | 1937 | |
ab648270 | 1938 | /* If not, is it one of our scroll bars? */ |
a135645a | 1939 | if (! f1) |
12ba150f | 1940 | { |
ab648270 | 1941 | struct scroll_bar *bar = x_window_to_scroll_bar (win); |
12ba150f JB |
1942 | |
1943 | if (bar) | |
1944 | { | |
a135645a | 1945 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
12ba150f JB |
1946 | win_x = parent_x; |
1947 | win_y = parent_y; | |
1948 | } | |
1949 | } | |
90e65f07 | 1950 | |
a135645a | 1951 | if (f1) |
12ba150f | 1952 | { |
a135645a RS |
1953 | /* Ok, we found a frame. Convert from pixels to characters |
1954 | and store all the values. */ | |
1955 | ||
1956 | pixel_to_glyph_coords (f1, win_x, win_y, &win_x, &win_y, | |
69388238 | 1957 | &last_mouse_glyph, x_mouse_grabbed); |
12ba150f JB |
1958 | |
1959 | *bar_window = Qnil; | |
1960 | *part = 0; | |
a135645a | 1961 | *f = f1; |
12ba150f JB |
1962 | XSET (*x, Lisp_Int, win_x); |
1963 | XSET (*y, Lisp_Int, win_y); | |
1964 | *time = last_mouse_movement_time; | |
1965 | } | |
1966 | } | |
1967 | } | |
90e65f07 JB |
1968 | |
1969 | UNBLOCK_INPUT; | |
1970 | } | |
1971 | ||
c118dd06 | 1972 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 1973 | #define XEvent XKeyPressedEvent |
c118dd06 JB |
1974 | #endif /* ! defined (HAVE_X11) */ |
1975 | \f | |
ab648270 | 1976 | /* Scroll bar support. */ |
f451eb13 | 1977 | |
ab648270 JB |
1978 | /* Given an X window ID, find the struct scroll_bar which manages it. |
1979 | This can be called in GC, so we have to make sure to strip off mark | |
1980 | bits. */ | |
1981 | static struct scroll_bar * | |
1982 | x_window_to_scroll_bar (window_id) | |
f451eb13 JB |
1983 | Window window_id; |
1984 | { | |
1985 | Lisp_Object tail, frame; | |
f451eb13 | 1986 | |
ab648270 JB |
1987 | for (tail = Vframe_list; |
1988 | XGCTYPE (tail) == Lisp_Cons; | |
1989 | tail = XCONS (tail)->cdr) | |
f451eb13 | 1990 | { |
f451eb13 | 1991 | Lisp_Object frame = XCONS (tail)->car; |
cf7cb199 | 1992 | Lisp_Object bar, condemned; |
f451eb13 JB |
1993 | |
1994 | /* All elements of Vframe_list should be frames. */ | |
ab648270 | 1995 | if (XGCTYPE (frame) != Lisp_Frame) |
f451eb13 JB |
1996 | abort (); |
1997 | ||
ab648270 | 1998 | /* Scan this frame's scroll bar list for a scroll bar with the |
f451eb13 | 1999 | right window ID. */ |
ab648270 JB |
2000 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); |
2001 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
cf7cb199 | 2002 | /* This trick allows us to search both the ordinary and |
ab648270 JB |
2003 | condemned scroll bar lists with one loop. */ |
2004 | ! GC_NILP (bar) || (bar = condemned, | |
2005 | condemned = Qnil, | |
2006 | ! GC_NILP (bar)); | |
bc20ebbf | 2007 | bar = XSCROLL_BAR (bar)->next) |
ab648270 JB |
2008 | if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)) == window_id) |
2009 | return XSCROLL_BAR (bar); | |
f451eb13 JB |
2010 | } |
2011 | ||
2012 | return 0; | |
2013 | } | |
2014 | ||
ab648270 JB |
2015 | /* Open a new X window to serve as a scroll bar, and return the |
2016 | scroll bar vector for it. */ | |
2017 | static struct scroll_bar * | |
2018 | x_scroll_bar_create (window, top, left, width, height) | |
12ba150f | 2019 | struct window *window; |
f451eb13 JB |
2020 | int top, left, width, height; |
2021 | { | |
12ba150f | 2022 | FRAME_PTR frame = XFRAME (WINDOW_FRAME (window)); |
ab648270 JB |
2023 | struct scroll_bar *bar = |
2024 | XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
f451eb13 JB |
2025 | |
2026 | BLOCK_INPUT; | |
2027 | ||
2028 | { | |
2029 | XSetWindowAttributes a; | |
2030 | unsigned long mask; | |
12ba150f JB |
2031 | a.background_pixel = frame->display.x->background_pixel; |
2032 | a.event_mask = (ButtonPressMask | ButtonReleaseMask | |
9a572e2a | 2033 | | ButtonMotionMask | PointerMotionHintMask |
12ba150f | 2034 | | ExposureMask); |
ab648270 | 2035 | a.cursor = x_vertical_scroll_bar_cursor; |
f451eb13 | 2036 | |
dbc4e1c1 | 2037 | mask = (CWBackPixel | CWEventMask | CWCursor); |
f451eb13 | 2038 | |
3afe33e7 RS |
2039 | #if 0 |
2040 | ||
2041 | ac = 0; | |
2042 | XtSetArg (al[ac], XtNx, left); ac++; | |
2043 | XtSetArg (al[ac], XtNy, top); ac++; | |
2044 | XtSetArg (al[ac], XtNwidth, width); ac++; | |
2045 | XtSetArg (al[ac], XtNheight, height); ac++; | |
2046 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; | |
2047 | sb_widget = XtCreateManagedWidget ("box", | |
2048 | boxWidgetClass, | |
2049 | frame->display.x->edit_widget, al, ac); | |
2050 | SET_SCROLL_BAR_X_WINDOW | |
2051 | (bar, sb_widget->core.window); | |
2052 | #endif | |
2053 | SET_SCROLL_BAR_X_WINDOW | |
12ba150f JB |
2054 | (bar, |
2055 | XCreateWindow (x_current_display, FRAME_X_WINDOW (frame), | |
f451eb13 | 2056 | |
ab648270 | 2057 | /* Position and size of scroll bar. */ |
12ba150f | 2058 | left, top, width, height, |
f451eb13 | 2059 | |
12ba150f JB |
2060 | /* Border width, depth, class, and visual. */ |
2061 | 0, CopyFromParent, CopyFromParent, CopyFromParent, | |
f451eb13 | 2062 | |
12ba150f JB |
2063 | /* Attributes. */ |
2064 | mask, &a)); | |
f451eb13 JB |
2065 | } |
2066 | ||
12ba150f JB |
2067 | XSET (bar->window, Lisp_Window, window); |
2068 | XSET (bar->top, Lisp_Int, top); | |
2069 | XSET (bar->left, Lisp_Int, left); | |
2070 | XSET (bar->width, Lisp_Int, width); | |
2071 | XSET (bar->height, Lisp_Int, height); | |
2072 | XSET (bar->start, Lisp_Int, 0); | |
2073 | XSET (bar->end, Lisp_Int, 0); | |
2074 | bar->dragging = Qnil; | |
f451eb13 JB |
2075 | |
2076 | /* Add bar to its frame's list of scroll bars. */ | |
ab648270 | 2077 | bar->next = FRAME_SCROLL_BARS (frame); |
12ba150f | 2078 | bar->prev = Qnil; |
ab648270 | 2079 | XSET (FRAME_SCROLL_BARS (frame), Lisp_Vector, bar); |
12ba150f | 2080 | if (! NILP (bar->next)) |
ab648270 | 2081 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
f451eb13 | 2082 | |
ab648270 | 2083 | XMapWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
f451eb13 JB |
2084 | |
2085 | UNBLOCK_INPUT; | |
12ba150f JB |
2086 | |
2087 | return bar; | |
f451eb13 JB |
2088 | } |
2089 | ||
12ba150f JB |
2090 | /* Draw BAR's handle in the proper position. |
2091 | If the handle is already drawn from START to END, don't bother | |
2092 | redrawing it, unless REBUILD is non-zero; in that case, always | |
2093 | redraw it. (REBUILD is handy for drawing the handle after expose | |
2094 | events.) | |
2095 | ||
2096 | Normally, we want to constrain the start and end of the handle to | |
ab648270 | 2097 | fit inside its rectangle, but if the user is dragging the scroll bar |
12ba150f JB |
2098 | handle, we want to let them drag it down all the way, so that the |
2099 | bar's top is as far down as it goes; otherwise, there's no way to | |
2100 | move to the very end of the buffer. */ | |
f451eb13 | 2101 | static void |
ab648270 JB |
2102 | x_scroll_bar_set_handle (bar, start, end, rebuild) |
2103 | struct scroll_bar *bar; | |
f451eb13 | 2104 | int start, end; |
12ba150f | 2105 | int rebuild; |
f451eb13 | 2106 | { |
12ba150f | 2107 | int dragging = ! NILP (bar->dragging); |
ab648270 | 2108 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2109 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2110 | ||
2111 | /* If the display is already accurate, do nothing. */ | |
2112 | if (! rebuild | |
2113 | && start == XINT (bar->start) | |
2114 | && end == XINT (bar->end)) | |
2115 | return; | |
2116 | ||
f451eb13 JB |
2117 | BLOCK_INPUT; |
2118 | ||
2119 | { | |
ab648270 JB |
2120 | int inside_width = VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar->width)); |
2121 | int inside_height = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2122 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
f451eb13 JB |
2123 | |
2124 | /* Make sure the values are reasonable, and try to preserve | |
2125 | the distance between start and end. */ | |
12ba150f JB |
2126 | { |
2127 | int length = end - start; | |
2128 | ||
2129 | if (start < 0) | |
2130 | start = 0; | |
2131 | else if (start > top_range) | |
2132 | start = top_range; | |
2133 | end = start + length; | |
2134 | ||
2135 | if (end < start) | |
2136 | end = start; | |
2137 | else if (end > top_range && ! dragging) | |
2138 | end = top_range; | |
2139 | } | |
f451eb13 | 2140 | |
ab648270 | 2141 | /* Store the adjusted setting in the scroll bar. */ |
12ba150f JB |
2142 | XSET (bar->start, Lisp_Int, start); |
2143 | XSET (bar->end, Lisp_Int, end); | |
f451eb13 | 2144 | |
12ba150f JB |
2145 | /* Clip the end position, just for display. */ |
2146 | if (end > top_range) | |
2147 | end = top_range; | |
f451eb13 | 2148 | |
ab648270 | 2149 | /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels |
12ba150f JB |
2150 | below top positions, to make sure the handle is always at least |
2151 | that many pixels tall. */ | |
ab648270 | 2152 | end += VERTICAL_SCROLL_BAR_MIN_HANDLE; |
f451eb13 | 2153 | |
12ba150f JB |
2154 | /* Draw the empty space above the handle. Note that we can't clear |
2155 | zero-height areas; that means "clear to end of window." */ | |
2156 | if (0 < start) | |
2157 | XClearArea (x_current_display, w, | |
f451eb13 | 2158 | |
12ba150f | 2159 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2160 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2161 | VERTICAL_SCROLL_BAR_TOP_BORDER, | |
12ba150f JB |
2162 | inside_width, start, |
2163 | False); | |
f451eb13 | 2164 | |
12ba150f JB |
2165 | /* Draw the handle itself. */ |
2166 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2167 | |
12ba150f | 2168 | /* x, y, width, height */ |
ab648270 JB |
2169 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2170 | VERTICAL_SCROLL_BAR_TOP_BORDER + start, | |
12ba150f | 2171 | inside_width, end - start); |
f451eb13 | 2172 | |
f451eb13 | 2173 | |
12ba150f JB |
2174 | /* Draw the empty space below the handle. Note that we can't |
2175 | clear zero-height areas; that means "clear to end of window." */ | |
2176 | if (end < inside_height) | |
2177 | XClearArea (x_current_display, w, | |
f451eb13 | 2178 | |
12ba150f | 2179 | /* x, y, width, height, and exposures. */ |
ab648270 JB |
2180 | VERTICAL_SCROLL_BAR_LEFT_BORDER, |
2181 | VERTICAL_SCROLL_BAR_TOP_BORDER + end, | |
12ba150f JB |
2182 | inside_width, inside_height - end, |
2183 | False); | |
f451eb13 | 2184 | |
f451eb13 JB |
2185 | } |
2186 | ||
f451eb13 JB |
2187 | UNBLOCK_INPUT; |
2188 | } | |
2189 | ||
eb8c3be9 | 2190 | /* Move a scroll bar around on the screen, to accommodate changing |
12ba150f | 2191 | window configurations. */ |
f451eb13 | 2192 | static void |
ab648270 JB |
2193 | x_scroll_bar_move (bar, top, left, width, height) |
2194 | struct scroll_bar *bar; | |
f451eb13 JB |
2195 | int top, left, width, height; |
2196 | { | |
2197 | BLOCK_INPUT; | |
2198 | ||
2199 | { | |
2200 | XWindowChanges wc; | |
2201 | unsigned int mask = 0; | |
2202 | ||
2203 | wc.x = left; | |
2204 | wc.y = top; | |
2205 | wc.width = width; | |
2206 | wc.height = height; | |
2207 | ||
12ba150f JB |
2208 | if (left != XINT (bar->left)) mask |= CWX; |
2209 | if (top != XINT (bar->top)) mask |= CWY; | |
2210 | if (width != XINT (bar->width)) mask |= CWWidth; | |
2211 | if (height != XINT (bar->height)) mask |= CWHeight; | |
2212 | ||
2213 | if (mask) | |
ab648270 | 2214 | XConfigureWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar), |
12ba150f | 2215 | mask, &wc); |
f451eb13 JB |
2216 | } |
2217 | ||
12ba150f JB |
2218 | XSET (bar->left, Lisp_Int, left); |
2219 | XSET (bar->top, Lisp_Int, top); | |
2220 | XSET (bar->width, Lisp_Int, width); | |
2221 | XSET (bar->height, Lisp_Int, height); | |
2222 | ||
f451eb13 JB |
2223 | UNBLOCK_INPUT; |
2224 | } | |
2225 | ||
ab648270 | 2226 | /* Destroy the X window for BAR, and set its Emacs window's scroll bar |
12ba150f JB |
2227 | to nil. */ |
2228 | static void | |
ab648270 JB |
2229 | x_scroll_bar_remove (bar) |
2230 | struct scroll_bar *bar; | |
12ba150f JB |
2231 | { |
2232 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2233 | ||
2234 | BLOCK_INPUT; | |
2235 | ||
2236 | /* Destroy the window. */ | |
ab648270 | 2237 | XDestroyWindow (x_current_display, SCROLL_BAR_X_WINDOW (bar)); |
12ba150f | 2238 | |
ab648270 JB |
2239 | /* Disassociate this scroll bar from its window. */ |
2240 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
12ba150f JB |
2241 | |
2242 | UNBLOCK_INPUT; | |
2243 | } | |
2244 | ||
2245 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
2246 | that we are displaying PORTION characters out of a total of WHOLE | |
ab648270 | 2247 | characters, starting at POSITION. If WINDOW has no scroll bar, |
12ba150f JB |
2248 | create one. */ |
2249 | static void | |
ab648270 | 2250 | XTset_vertical_scroll_bar (window, portion, whole, position) |
f451eb13 JB |
2251 | struct window *window; |
2252 | int portion, whole, position; | |
2253 | { | |
2254 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
f451eb13 | 2255 | int top = XINT (window->top); |
ab648270 JB |
2256 | int left = WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window); |
2257 | int height = WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window); | |
f451eb13 | 2258 | |
ab648270 | 2259 | /* Where should this scroll bar be, pixelwise? */ |
12ba150f JB |
2260 | int pixel_top = CHAR_TO_PIXEL_ROW (f, top); |
2261 | int pixel_left = CHAR_TO_PIXEL_COL (f, left); | |
ab648270 JB |
2262 | int pixel_width = VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f); |
2263 | int pixel_height = VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f, height); | |
f451eb13 | 2264 | |
ab648270 | 2265 | struct scroll_bar *bar; |
12ba150f | 2266 | |
ab648270 JB |
2267 | /* Does the scroll bar exist yet? */ |
2268 | if (NILP (window->vertical_scroll_bar)) | |
2269 | bar = x_scroll_bar_create (window, | |
f451eb13 JB |
2270 | pixel_top, pixel_left, |
2271 | pixel_width, pixel_height); | |
2272 | else | |
12ba150f JB |
2273 | { |
2274 | /* It may just need to be moved and resized. */ | |
ab648270 JB |
2275 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
2276 | x_scroll_bar_move (bar, pixel_top, pixel_left, pixel_width, pixel_height); | |
12ba150f | 2277 | } |
f451eb13 | 2278 | |
ab648270 | 2279 | /* Set the scroll bar's current state, unless we're currently being |
f451eb13 | 2280 | dragged. */ |
12ba150f | 2281 | if (NILP (bar->dragging)) |
f451eb13 | 2282 | { |
12ba150f | 2283 | int top_range = |
ab648270 | 2284 | VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height); |
f451eb13 | 2285 | |
12ba150f | 2286 | if (whole == 0) |
ab648270 | 2287 | x_scroll_bar_set_handle (bar, 0, top_range, 0); |
12ba150f JB |
2288 | else |
2289 | { | |
43f868f5 JB |
2290 | int start = ((double) position * top_range) / whole; |
2291 | int end = ((double) (position + portion) * top_range) / whole; | |
12ba150f | 2292 | |
ab648270 | 2293 | x_scroll_bar_set_handle (bar, start, end, 0); |
12ba150f | 2294 | } |
f451eb13 JB |
2295 | } |
2296 | ||
ab648270 | 2297 | XSET (window->vertical_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2298 | } |
2299 | ||
12ba150f | 2300 | |
f451eb13 | 2301 | /* The following three hooks are used when we're doing a thorough |
ab648270 | 2302 | redisplay of the frame. We don't explicitly know which scroll bars |
f451eb13 | 2303 | are going to be deleted, because keeping track of when windows go |
12ba150f JB |
2304 | away is a real pain - "Can you say set-window-configuration, boys |
2305 | and girls?" Instead, we just assert at the beginning of redisplay | |
ab648270 | 2306 | that *all* scroll bars are to be removed, and then save a scroll bar |
12ba150f | 2307 | from the fiery pit when we actually redisplay its window. */ |
f451eb13 | 2308 | |
ab648270 JB |
2309 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
2310 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
2311 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. */ | |
f451eb13 | 2312 | static void |
ab648270 | 2313 | XTcondemn_scroll_bars (frame) |
f451eb13 JB |
2314 | FRAME_PTR frame; |
2315 | { | |
12ba150f JB |
2316 | /* The condemned list should be empty at this point; if it's not, |
2317 | then the rest of Emacs isn't using the condemn/redeem/judge | |
2318 | protocol correctly. */ | |
ab648270 | 2319 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) |
12ba150f JB |
2320 | abort (); |
2321 | ||
2322 | /* Move them all to the "condemned" list. */ | |
ab648270 JB |
2323 | FRAME_CONDEMNED_SCROLL_BARS (frame) = FRAME_SCROLL_BARS (frame); |
2324 | FRAME_SCROLL_BARS (frame) = Qnil; | |
f451eb13 JB |
2325 | } |
2326 | ||
ab648270 | 2327 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
12ba150f | 2328 | Note that WINDOW isn't necessarily condemned at all. */ |
f451eb13 | 2329 | static void |
ab648270 | 2330 | XTredeem_scroll_bar (window) |
12ba150f | 2331 | struct window *window; |
f451eb13 | 2332 | { |
ab648270 | 2333 | struct scroll_bar *bar; |
12ba150f | 2334 | |
ab648270 JB |
2335 | /* We can't redeem this window's scroll bar if it doesn't have one. */ |
2336 | if (NILP (window->vertical_scroll_bar)) | |
12ba150f JB |
2337 | abort (); |
2338 | ||
ab648270 | 2339 | bar = XSCROLL_BAR (window->vertical_scroll_bar); |
12ba150f JB |
2340 | |
2341 | /* Unlink it from the condemned list. */ | |
2342 | { | |
2343 | FRAME_PTR f = XFRAME (WINDOW_FRAME (window)); | |
2344 | ||
2345 | if (NILP (bar->prev)) | |
2346 | { | |
2347 | /* If the prev pointer is nil, it must be the first in one of | |
2348 | the lists. */ | |
ab648270 | 2349 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) |
12ba150f JB |
2350 | /* It's not condemned. Everything's fine. */ |
2351 | return; | |
ab648270 JB |
2352 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), |
2353 | window->vertical_scroll_bar)) | |
2354 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
12ba150f JB |
2355 | else |
2356 | /* If its prev pointer is nil, it must be at the front of | |
2357 | one or the other! */ | |
2358 | abort (); | |
2359 | } | |
2360 | else | |
ab648270 | 2361 | XSCROLL_BAR (bar->prev)->next = bar->next; |
12ba150f JB |
2362 | |
2363 | if (! NILP (bar->next)) | |
ab648270 | 2364 | XSCROLL_BAR (bar->next)->prev = bar->prev; |
12ba150f | 2365 | |
ab648270 | 2366 | bar->next = FRAME_SCROLL_BARS (f); |
12ba150f | 2367 | bar->prev = Qnil; |
ab648270 | 2368 | XSET (FRAME_SCROLL_BARS (f), Lisp_Vector, bar); |
12ba150f | 2369 | if (! NILP (bar->next)) |
ab648270 | 2370 | XSET (XSCROLL_BAR (bar->next)->prev, Lisp_Vector, bar); |
12ba150f | 2371 | } |
f451eb13 JB |
2372 | } |
2373 | ||
ab648270 JB |
2374 | /* Remove all scroll bars on FRAME that haven't been saved since the |
2375 | last call to `*condemn_scroll_bars_hook'. */ | |
f451eb13 | 2376 | static void |
ab648270 | 2377 | XTjudge_scroll_bars (f) |
12ba150f | 2378 | FRAME_PTR f; |
f451eb13 | 2379 | { |
12ba150f | 2380 | Lisp_Object bar, next; |
f451eb13 | 2381 | |
ab648270 | 2382 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); |
cf7cb199 JB |
2383 | |
2384 | /* Clear out the condemned list now so we won't try to process any | |
ab648270 JB |
2385 | more events on the hapless scroll bars. */ |
2386 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
cf7cb199 JB |
2387 | |
2388 | for (; ! NILP (bar); bar = next) | |
f451eb13 | 2389 | { |
ab648270 | 2390 | struct scroll_bar *b = XSCROLL_BAR (bar); |
12ba150f | 2391 | |
ab648270 | 2392 | x_scroll_bar_remove (b); |
12ba150f JB |
2393 | |
2394 | next = b->next; | |
2395 | b->next = b->prev = Qnil; | |
f451eb13 | 2396 | } |
12ba150f | 2397 | |
ab648270 | 2398 | /* Now there should be no references to the condemned scroll bars, |
12ba150f | 2399 | and they should get garbage-collected. */ |
f451eb13 JB |
2400 | } |
2401 | ||
2402 | ||
ab648270 JB |
2403 | /* Handle an Expose or GraphicsExpose event on a scroll bar. |
2404 | ||
2405 | This may be called from a signal handler, so we have to ignore GC | |
2406 | mark bits. */ | |
f451eb13 | 2407 | static void |
ab648270 JB |
2408 | x_scroll_bar_expose (bar, event) |
2409 | struct scroll_bar *bar; | |
f451eb13 JB |
2410 | XEvent *event; |
2411 | { | |
ab648270 | 2412 | Window w = SCROLL_BAR_X_WINDOW (bar); |
12ba150f JB |
2413 | GC gc = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)))->display.x->normal_gc; |
2414 | ||
f451eb13 JB |
2415 | BLOCK_INPUT; |
2416 | ||
ab648270 | 2417 | x_scroll_bar_set_handle (bar, XINT (bar->start), XINT (bar->end), 1); |
f451eb13 | 2418 | |
ab648270 | 2419 | /* Draw a one-pixel border just inside the edges of the scroll bar. */ |
12ba150f | 2420 | XDrawRectangle (x_current_display, w, gc, |
f451eb13 JB |
2421 | |
2422 | /* x, y, width, height */ | |
12ba150f | 2423 | 0, 0, XINT (bar->width) - 1, XINT (bar->height) - 1); |
f451eb13 | 2424 | |
12ba150f JB |
2425 | /* Draw another line to make the extra-thick border on the right. */ |
2426 | XFillRectangle (x_current_display, w, gc, | |
f451eb13 | 2427 | |
12ba150f JB |
2428 | /* x, y, width, height */ |
2429 | XINT (bar->width) - 2, 1, 1, XINT (bar->height) - 2); | |
f451eb13 JB |
2430 | |
2431 | UNBLOCK_INPUT; | |
2432 | } | |
2433 | ||
ab648270 JB |
2434 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind |
2435 | is set to something other than no_event, it is enqueued. | |
2436 | ||
2437 | This may be called from a signal handler, so we have to ignore GC | |
2438 | mark bits. */ | |
f451eb13 | 2439 | static void |
ab648270 JB |
2440 | x_scroll_bar_handle_click (bar, event, emacs_event) |
2441 | struct scroll_bar *bar; | |
f451eb13 JB |
2442 | XEvent *event; |
2443 | struct input_event *emacs_event; | |
2444 | { | |
ab648270 | 2445 | if (XGCTYPE (bar->window) != Lisp_Window) |
12ba150f JB |
2446 | abort (); |
2447 | ||
ab648270 | 2448 | emacs_event->kind = scroll_bar_click; |
69388238 | 2449 | emacs_event->code = event->xbutton.button - Button1; |
f451eb13 | 2450 | emacs_event->modifiers = |
dfeccd2d | 2451 | (x_x_to_emacs_modifiers (event->xbutton.state) |
f451eb13 JB |
2452 | | (event->type == ButtonRelease |
2453 | ? up_modifier | |
2454 | : down_modifier)); | |
12ba150f | 2455 | emacs_event->frame_or_window = bar->window; |
f451eb13 | 2456 | emacs_event->timestamp = event->xbutton.time; |
12ba150f JB |
2457 | { |
2458 | int internal_height = | |
ab648270 | 2459 | VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); |
12ba150f | 2460 | int top_range = |
ab648270 JB |
2461 | VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); |
2462 | int y = event->xbutton.y - VERTICAL_SCROLL_BAR_TOP_BORDER; | |
12ba150f JB |
2463 | |
2464 | if (y < 0) y = 0; | |
2465 | if (y > top_range) y = top_range; | |
2466 | ||
2467 | if (y < XINT (bar->start)) | |
ab648270 JB |
2468 | emacs_event->part = scroll_bar_above_handle; |
2469 | else if (y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2470 | emacs_event->part = scroll_bar_handle; | |
12ba150f | 2471 | else |
ab648270 | 2472 | emacs_event->part = scroll_bar_below_handle; |
929787e1 JB |
2473 | |
2474 | /* Just because the user has clicked on the handle doesn't mean | |
5116f055 JB |
2475 | they want to drag it. Lisp code needs to be able to decide |
2476 | whether or not we're dragging. */ | |
929787e1 | 2477 | #if 0 |
12ba150f JB |
2478 | /* If the user has just clicked on the handle, record where they're |
2479 | holding it. */ | |
2480 | if (event->type == ButtonPress | |
ab648270 | 2481 | && emacs_event->part == scroll_bar_handle) |
12ba150f | 2482 | XSET (bar->dragging, Lisp_Int, y - XINT (bar->start)); |
929787e1 | 2483 | #endif |
12ba150f JB |
2484 | |
2485 | /* If the user has released the handle, set it to its final position. */ | |
2486 | if (event->type == ButtonRelease | |
2487 | && ! NILP (bar->dragging)) | |
2488 | { | |
2489 | int new_start = y - XINT (bar->dragging); | |
2490 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); | |
f451eb13 | 2491 | |
ab648270 | 2492 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
12ba150f JB |
2493 | bar->dragging = Qnil; |
2494 | } | |
f451eb13 | 2495 | |
5116f055 JB |
2496 | /* Same deal here as the other #if 0. */ |
2497 | #if 0 | |
eb8c3be9 | 2498 | /* Clicks on the handle are always reported as occurring at the top of |
12ba150f | 2499 | the handle. */ |
ab648270 | 2500 | if (emacs_event->part == scroll_bar_handle) |
12ba150f JB |
2501 | emacs_event->x = bar->start; |
2502 | else | |
2503 | XSET (emacs_event->x, Lisp_Int, y); | |
5116f055 JB |
2504 | #else |
2505 | XSET (emacs_event->x, Lisp_Int, y); | |
2506 | #endif | |
f451eb13 | 2507 | |
12ba150f JB |
2508 | XSET (emacs_event->y, Lisp_Int, top_range); |
2509 | } | |
2510 | } | |
f451eb13 | 2511 | |
ab648270 JB |
2512 | /* Handle some mouse motion while someone is dragging the scroll bar. |
2513 | ||
2514 | This may be called from a signal handler, so we have to ignore GC | |
2515 | mark bits. */ | |
f451eb13 | 2516 | static void |
ab648270 JB |
2517 | x_scroll_bar_note_movement (bar, event) |
2518 | struct scroll_bar *bar; | |
f451eb13 JB |
2519 | XEvent *event; |
2520 | { | |
2521 | last_mouse_movement_time = event->xmotion.time; | |
2522 | ||
2523 | mouse_moved = 1; | |
ab648270 | 2524 | XSET (last_mouse_scroll_bar, Lisp_Vector, bar); |
f451eb13 JB |
2525 | |
2526 | /* If we're dragging the bar, display it. */ | |
ab648270 | 2527 | if (! GC_NILP (bar->dragging)) |
f451eb13 JB |
2528 | { |
2529 | /* Where should the handle be now? */ | |
12ba150f | 2530 | int new_start = event->xmotion.y - XINT (bar->dragging); |
f451eb13 | 2531 | |
12ba150f | 2532 | if (new_start != XINT (bar->start)) |
f451eb13 | 2533 | { |
12ba150f | 2534 | int new_end = new_start + (XINT (bar->end) - XINT (bar->start)); |
f451eb13 | 2535 | |
ab648270 | 2536 | x_scroll_bar_set_handle (bar, new_start, new_end, 0); |
f451eb13 JB |
2537 | } |
2538 | } | |
2539 | ||
2540 | /* Call XQueryPointer so we'll get an event the next time the mouse | |
2541 | moves and we can see *still* on the same position. */ | |
2542 | { | |
2543 | int dummy; | |
2544 | ||
2545 | XQueryPointer (event->xmotion.display, event->xmotion.window, | |
2546 | (Window *) &dummy, (Window *) &dummy, | |
2547 | &dummy, &dummy, &dummy, &dummy, | |
2548 | (unsigned int *) &dummy); | |
2549 | } | |
2550 | } | |
2551 | ||
12ba150f | 2552 | /* Return information to the user about the current position of the mouse |
ab648270 | 2553 | on the scroll bar. */ |
12ba150f | 2554 | static void |
ab648270 | 2555 | x_scroll_bar_report_motion (f, bar_window, part, x, y, time) |
12ba150f JB |
2556 | FRAME_PTR *f; |
2557 | Lisp_Object *bar_window; | |
ab648270 | 2558 | enum scroll_bar_part *part; |
12ba150f JB |
2559 | Lisp_Object *x, *y; |
2560 | unsigned long *time; | |
2561 | { | |
ab648270 | 2562 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); |
12ba150f | 2563 | int win_x, win_y; |
559cb2fb JB |
2564 | Window dummy_window; |
2565 | int dummy_coord; | |
2566 | unsigned int dummy_mask; | |
12ba150f | 2567 | |
cf7cb199 JB |
2568 | BLOCK_INPUT; |
2569 | ||
ab648270 | 2570 | /* Get the mouse's position relative to the scroll bar window, and |
12ba150f | 2571 | report that. */ |
559cb2fb JB |
2572 | if (! XQueryPointer (x_current_display, |
2573 | SCROLL_BAR_X_WINDOW (bar), | |
12ba150f | 2574 | |
559cb2fb JB |
2575 | /* Root, child, root x and root y. */ |
2576 | &dummy_window, &dummy_window, | |
2577 | &dummy_coord, &dummy_coord, | |
12ba150f | 2578 | |
559cb2fb JB |
2579 | /* Position relative to scroll bar. */ |
2580 | &win_x, &win_y, | |
12ba150f | 2581 | |
559cb2fb JB |
2582 | /* Mouse buttons and modifier keys. */ |
2583 | &dummy_mask)) | |
2584 | *f = 0; | |
2585 | else | |
2586 | { | |
2587 | int inside_height | |
2588 | = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar->height)); | |
2589 | int top_range | |
2590 | = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar->height)); | |
2591 | ||
2592 | win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER; | |
2593 | ||
2594 | if (! NILP (bar->dragging)) | |
2595 | win_y -= XINT (bar->dragging); | |
2596 | ||
2597 | if (win_y < 0) | |
2598 | win_y = 0; | |
2599 | if (win_y > top_range) | |
2600 | win_y = top_range; | |
2601 | ||
2602 | *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
2603 | *bar_window = bar->window; | |
2604 | ||
2605 | if (! NILP (bar->dragging)) | |
2606 | *part = scroll_bar_handle; | |
2607 | else if (win_y < XINT (bar->start)) | |
2608 | *part = scroll_bar_above_handle; | |
2609 | else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE) | |
2610 | *part = scroll_bar_handle; | |
2611 | else | |
2612 | *part = scroll_bar_below_handle; | |
12ba150f | 2613 | |
559cb2fb JB |
2614 | XSET (*x, Lisp_Int, win_y); |
2615 | XSET (*y, Lisp_Int, top_range); | |
12ba150f | 2616 | |
559cb2fb JB |
2617 | mouse_moved = 0; |
2618 | last_mouse_scroll_bar = Qnil; | |
2619 | } | |
12ba150f | 2620 | |
559cb2fb | 2621 | *time = last_mouse_movement_time; |
cf7cb199 | 2622 | |
cf7cb199 | 2623 | UNBLOCK_INPUT; |
12ba150f JB |
2624 | } |
2625 | ||
f451eb13 | 2626 | |
dbc4e1c1 | 2627 | /* The screen has been cleared so we may have changed foreground or |
ab648270 JB |
2628 | background colors, and the scroll bars may need to be redrawn. |
2629 | Clear out the scroll bars, and ask for expose events, so we can | |
dbc4e1c1 JB |
2630 | redraw them. */ |
2631 | ||
ab648270 | 2632 | x_scroll_bar_clear (f) |
dbc4e1c1 JB |
2633 | FRAME_PTR f; |
2634 | { | |
2635 | Lisp_Object bar; | |
2636 | ||
ab648270 | 2637 | for (bar = FRAME_SCROLL_BARS (f); |
dbc4e1c1 | 2638 | XTYPE (bar) == Lisp_Vector; |
ab648270 JB |
2639 | bar = XSCROLL_BAR (bar)->next) |
2640 | XClearArea (x_current_display, SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar)), | |
dbc4e1c1 JB |
2641 | 0, 0, 0, 0, True); |
2642 | } | |
2643 | ||
3afe33e7 RS |
2644 | /* This processes Expose events from the menubar specific X event |
2645 | loop in menubar.c. This allows to redisplay the frame if necessary | |
2646 | when handling menubar or popup items. */ | |
2647 | ||
2648 | void | |
2649 | process_expose_from_menu (event) | |
2650 | XEvent event; | |
2651 | { | |
2652 | FRAME_PTR f; | |
2653 | ||
f94397b5 KH |
2654 | BLOCK_INPUT; |
2655 | ||
3afe33e7 RS |
2656 | f = x_window_to_frame (event.xexpose.window); |
2657 | if (f) | |
2658 | { | |
2659 | if (f->async_visible == 0) | |
2660 | { | |
2661 | f->async_visible = 1; | |
2662 | f->async_iconified = 0; | |
2663 | SET_FRAME_GARBAGED (f); | |
2664 | } | |
2665 | else | |
2666 | { | |
2667 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2668 | event.xexpose.x, event.xexpose.y, | |
2669 | event.xexpose.width, event.xexpose.height); | |
2670 | } | |
2671 | } | |
2672 | else | |
2673 | { | |
2674 | struct scroll_bar *bar | |
2675 | = x_window_to_scroll_bar (event.xexpose.window); | |
2676 | ||
2677 | if (bar) | |
2678 | x_scroll_bar_expose (bar, &event); | |
2679 | } | |
f94397b5 KH |
2680 | |
2681 | UNBLOCK_INPUT; | |
3afe33e7 | 2682 | } |
dbc4e1c1 | 2683 | |
f451eb13 JB |
2684 | \f |
2685 | /* The main X event-reading loop - XTread_socket. */ | |
dc6f92b8 | 2686 | |
dc6f92b8 JB |
2687 | /* Timestamp of enter window event. This is only used by XTread_socket, |
2688 | but we have to put it out here, since static variables within functions | |
2689 | sometimes don't work. */ | |
2690 | static Time enter_timestamp; | |
2691 | ||
11edeb03 JB |
2692 | /* This holds the state XLookupString needs to implement dead keys |
2693 | and other tricks known as "compose processing". _X Window System_ | |
2694 | says that a portable program can't use this, but Stephen Gildea assures | |
2695 | me that letting the compiler initialize it to zeros will work okay. | |
2696 | ||
2697 | This must be defined outside of XTread_socket, for the same reasons | |
2698 | given for enter_timestamp, above. */ | |
2699 | static XComposeStatus compose_status; | |
2700 | ||
c047688c JA |
2701 | /* Communication with window managers. */ |
2702 | Atom Xatom_wm_protocols; | |
2703 | ||
2704 | /* Kinds of protocol things we may receive. */ | |
2705 | Atom Xatom_wm_take_focus; | |
2706 | Atom Xatom_wm_save_yourself; | |
2707 | Atom Xatom_wm_delete_window; | |
2708 | ||
2709 | /* Other WM communication */ | |
2710 | Atom Xatom_wm_configure_denied; /* When our config request is denied */ | |
2711 | Atom Xatom_wm_window_moved; /* When the WM moves us. */ | |
2712 | ||
d56a553a RS |
2713 | /* Window manager communication. */ |
2714 | Atom Xatom_wm_change_state; | |
2715 | ||
10e6549c RS |
2716 | /* Record the last 100 characters stored |
2717 | to help debug the loss-of-chars-during-GC problem. */ | |
2718 | int temp_index; | |
2719 | short temp_buffer[100]; | |
2720 | ||
dc6f92b8 JB |
2721 | /* Read events coming from the X server. |
2722 | This routine is called by the SIGIO handler. | |
2723 | We return as soon as there are no more events to be read. | |
2724 | ||
2725 | Events representing keys are stored in buffer BUFP, | |
2726 | which can hold up to NUMCHARS characters. | |
2727 | We return the number of characters stored into the buffer, | |
2728 | thus pretending to be `read'. | |
2729 | ||
2730 | WAITP is nonzero if we should block until input arrives. | |
2731 | EXPECTED is nonzero if the caller knows input is available. */ | |
2732 | ||
7c5283e4 | 2733 | int |
dc6f92b8 JB |
2734 | XTread_socket (sd, bufp, numchars, waitp, expected) |
2735 | register int sd; | |
2736 | register struct input_event *bufp; | |
2737 | register int numchars; | |
2738 | int waitp; | |
2739 | int expected; | |
2740 | { | |
2741 | int count = 0; | |
2742 | int nbytes = 0; | |
2743 | int mask; | |
2744 | int items_pending; /* How many items are in the X queue. */ | |
2745 | XEvent event; | |
f676886a | 2746 | struct frame *f; |
66f55a9d | 2747 | int event_found = 0; |
dc6f92b8 JB |
2748 | int prefix; |
2749 | Lisp_Object part; | |
2750 | ||
9ac0d9e0 | 2751 | if (interrupt_input_blocked) |
dc6f92b8 | 2752 | { |
9ac0d9e0 | 2753 | interrupt_input_pending = 1; |
dc6f92b8 JB |
2754 | return -1; |
2755 | } | |
2756 | ||
9ac0d9e0 | 2757 | interrupt_input_pending = 0; |
dc6f92b8 JB |
2758 | BLOCK_INPUT; |
2759 | ||
2760 | if (numchars <= 0) | |
2761 | abort (); /* Don't think this happens. */ | |
2762 | ||
2763 | #ifdef FIOSNBIO | |
2764 | /* If available, Xlib uses FIOSNBIO to make the socket | |
2765 | non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set, | |
2766 | FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK, | |
2767 | a read returns 0, which Xlib interprets as equivalent to EPIPE. */ | |
2768 | fcntl (fileno (stdin), F_SETFL, 0); | |
c118dd06 | 2769 | #endif /* ! defined (FIOSNBIO) */ |
dc6f92b8 JB |
2770 | |
2771 | #ifndef SIGIO | |
2772 | #ifndef HAVE_SELECT | |
2773 | if (! (fcntl (fileno (stdin), F_GETFL, 0) & O_NDELAY)) | |
2774 | { | |
2775 | extern int read_alarm_should_throw; | |
2776 | read_alarm_should_throw = 1; | |
2777 | XPeekEvent (XDISPLAY &event); | |
2778 | read_alarm_should_throw = 0; | |
2779 | } | |
c118dd06 JB |
2780 | #endif /* HAVE_SELECT */ |
2781 | #endif /* SIGIO */ | |
dc6f92b8 JB |
2782 | |
2783 | while (XStuffPending () != 0) | |
2784 | { | |
2785 | XNextEvent (XDISPLAY &event); | |
2786 | event_found = 1; | |
2787 | ||
2788 | switch (event.type) | |
2789 | { | |
2790 | #ifdef HAVE_X11 | |
c047688c JA |
2791 | case ClientMessage: |
2792 | { | |
2793 | if (event.xclient.message_type == Xatom_wm_protocols | |
2794 | && event.xclient.format == 32) | |
2795 | { | |
2796 | if (event.xclient.data.l[0] == Xatom_wm_take_focus) | |
2797 | { | |
3afe33e7 RS |
2798 | #ifdef USE_X_TOOLKIT |
2799 | /* f = x_any_window_to_frame (event.xclient.window); */ | |
f676886a | 2800 | f = x_window_to_frame (event.xclient.window); |
3afe33e7 RS |
2801 | #else |
2802 | f = x_window_to_frame (event.xclient.window); | |
2803 | #endif | |
f676886a JB |
2804 | if (f) |
2805 | x_focus_on_frame (f); | |
ab648270 | 2806 | /* Not certain about handling scroll bars here */ |
c047688c JA |
2807 | } |
2808 | else if (event.xclient.data.l[0] == Xatom_wm_save_yourself) | |
2809 | { | |
2810 | /* Save state modify the WM_COMMAND property to | |
2811 | something which can reinstate us. This notifies | |
2812 | the session manager, who's looking for such a | |
2813 | PropertyNotify. Can restart processing when | |
2814 | a keyboard or mouse event arrives. */ | |
2815 | if (numchars > 0) | |
2816 | { | |
2817 | } | |
2818 | } | |
2819 | else if (event.xclient.data.l[0] == Xatom_wm_delete_window) | |
2820 | { | |
f676886a | 2821 | struct frame *f = x_window_to_frame (event.xclient.window); |
c047688c | 2822 | |
f676886a | 2823 | if (f) |
1fb20991 RS |
2824 | { |
2825 | if (numchars == 0) | |
2826 | abort (); | |
2827 | ||
2828 | bufp->kind = delete_window_event; | |
2829 | XSET (bufp->frame_or_window, Lisp_Frame, f); | |
2830 | bufp++; | |
2831 | ||
2832 | count += 1; | |
2833 | numchars -= 1; | |
2834 | } | |
c047688c JA |
2835 | } |
2836 | } | |
2837 | else if (event.xclient.message_type == Xatom_wm_configure_denied) | |
2838 | { | |
2839 | } | |
2840 | else if (event.xclient.message_type == Xatom_wm_window_moved) | |
2841 | { | |
2842 | int new_x, new_y; | |
1fb20991 RS |
2843 | struct frame *f = x_window_to_frame (event.xclient.window); |
2844 | ||
4357eba7 JB |
2845 | new_x = event.xclient.data.s[0]; |
2846 | new_y = event.xclient.data.s[1]; | |
1fb20991 RS |
2847 | |
2848 | if (f) | |
2849 | { | |
2850 | f->display.x->left_pos = new_x; | |
2851 | f->display.x->top_pos = new_y; | |
2852 | } | |
c047688c JA |
2853 | } |
2854 | } | |
2855 | break; | |
dc6f92b8 | 2856 | |
d56a553a RS |
2857 | #ifdef NEW_SELECTIONS |
2858 | case SelectionNotify: | |
3afe33e7 RS |
2859 | #ifdef USE_X_TOOLKIT |
2860 | if (x_window_to_frame (event.xselection.requestor)) | |
2861 | x_handle_selection_notify (&event); | |
2862 | else | |
2863 | goto OTHER; | |
2864 | #else /* not USE_X_TOOLKIT */ | |
d56a553a | 2865 | x_handle_selection_notify (&event); |
3afe33e7 | 2866 | #endif /* not USE_X_TOOLKIT */ |
d56a553a | 2867 | break; |
3afe33e7 | 2868 | #endif /* NEW_SELECTIONS */ |
d56a553a | 2869 | |
dc6f92b8 | 2870 | case SelectionClear: /* Someone has grabbed ownership. */ |
d56a553a RS |
2871 | #ifdef NEW_SELECTIONS |
2872 | { | |
3afe33e7 RS |
2873 | #ifdef USE_X_TOOLKIT |
2874 | if (x_window_to_frame (event.xselectionclear.window)) | |
2875 | { | |
2876 | #endif /* USE_X_TOOLKIT */ | |
d56a553a RS |
2877 | XSelectionClearEvent *eventp = (XSelectionClearEvent *) &event; |
2878 | ||
2879 | if (numchars == 0) | |
2880 | abort (); | |
2881 | ||
2882 | bufp->kind = selection_clear_event; | |
2883 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2884 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2885 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2886 | bufp++; | |
2887 | ||
2888 | count += 1; | |
2889 | numchars -= 1; | |
3afe33e7 | 2890 | #ifdef USE_X_TOOLKIT |
d56a553a | 2891 | } |
3afe33e7 RS |
2892 | else |
2893 | goto OTHER; | |
2894 | #endif /* USE_X_TOOLKIT */ | |
2895 | } | |
2896 | #else /* not NEW_SELECTIONS */ | |
dc6f92b8 JB |
2897 | x_disown_selection (event.xselectionclear.window, |
2898 | event.xselectionclear.selection, | |
2899 | event.xselectionclear.time); | |
3afe33e7 | 2900 | #endif /* not NEW_SELECTIONS */ |
dc6f92b8 JB |
2901 | break; |
2902 | ||
2903 | case SelectionRequest: /* Someone wants our selection. */ | |
d56a553a RS |
2904 | #ifdef NEW_SELECTIONS |
2905 | { | |
3afe33e7 RS |
2906 | #ifdef USE_X_TOOLKIT |
2907 | if (x_window_to_frame (event.xselectionrequest.owner)) | |
2908 | { | |
2909 | #endif /* USE_X_TOOLKIT */ | |
d56a553a RS |
2910 | XSelectionRequestEvent *eventp = (XSelectionRequestEvent *) &event; |
2911 | ||
2912 | if (numchars == 0) | |
2913 | abort (); | |
2914 | ||
2915 | bufp->kind = selection_request_event; | |
2916 | SELECTION_EVENT_DISPLAY (bufp) = eventp->display; | |
2917 | SELECTION_EVENT_REQUESTOR (bufp) = eventp->requestor; | |
2918 | SELECTION_EVENT_SELECTION (bufp) = eventp->selection; | |
2919 | SELECTION_EVENT_TARGET (bufp) = eventp->target; | |
2920 | SELECTION_EVENT_PROPERTY (bufp) = eventp->property; | |
2921 | SELECTION_EVENT_TIME (bufp) = eventp->time; | |
2922 | bufp++; | |
2923 | ||
2924 | count += 1; | |
2925 | numchars -= 1; | |
3afe33e7 | 2926 | #ifdef USE_X_TOOLKIT |
d56a553a | 2927 | } |
3afe33e7 RS |
2928 | else |
2929 | goto OTHER; | |
2930 | #endif /* USE_X_TOOLKIT */ | |
2931 | } | |
2932 | #else /* not NEW_SELECTIONS */ | |
dc6f92b8 | 2933 | x_answer_selection_request (event); |
3afe33e7 | 2934 | #endif /* not NEW_SELECTIONS */ |
dc6f92b8 JB |
2935 | break; |
2936 | ||
2937 | case PropertyNotify: | |
d56a553a | 2938 | #ifdef NEW_SELECTIONS |
3afe33e7 RS |
2939 | #ifdef USE_X_TOOLKIT |
2940 | if (x_any_window_to_frame (event.xproperty.window)) | |
2941 | x_handle_property_notify (&event); | |
2942 | else | |
2943 | goto OTHER; | |
2944 | #else /* not USE_X_TOOLKIT */ | |
d56a553a | 2945 | x_handle_property_notify (&event); |
3afe33e7 RS |
2946 | #endif /* not USE_X_TOOLKIT */ |
2947 | #else /* not NEW_SELECTIONS */ | |
28430d3c JB |
2948 | /* If we're being told about a root window property, then it's |
2949 | a cut buffer change. */ | |
2950 | if (event.xproperty.window == ROOT_WINDOW) | |
2951 | x_invalidate_cut_buffer_cache (&event.xproperty); | |
2952 | ||
2953 | /* Otherwise, we're probably handling an incremental | |
2954 | selection transmission. */ | |
2955 | else | |
2956 | { | |
2957 | /* If we were to do this synchronously, there'd be no worry | |
2958 | about re-selecting. */ | |
2959 | x_send_incremental (event); | |
2960 | } | |
3afe33e7 | 2961 | #endif /* not NEW_SELECTIONS */ |
dc6f92b8 JB |
2962 | break; |
2963 | ||
3bd330d4 RS |
2964 | case ReparentNotify: |
2965 | f = x_window_to_frame (event.xreparent.window); | |
2966 | if (f) | |
2967 | f->display.x->parent_desc = event.xreparent.parent; | |
2968 | break; | |
2969 | ||
dc6f92b8 | 2970 | case Expose: |
f676886a JB |
2971 | f = x_window_to_frame (event.xexpose.window); |
2972 | if (f) | |
dc6f92b8 | 2973 | { |
3a88c238 | 2974 | if (f->async_visible == 0) |
dc6f92b8 | 2975 | { |
3a88c238 JB |
2976 | f->async_visible = 1; |
2977 | f->async_iconified = 0; | |
f676886a | 2978 | SET_FRAME_GARBAGED (f); |
dc6f92b8 JB |
2979 | } |
2980 | else | |
f451eb13 JB |
2981 | { |
2982 | dumprectangle (x_window_to_frame (event.xexpose.window), | |
2983 | event.xexpose.x, event.xexpose.y, | |
2984 | event.xexpose.width, event.xexpose.height); | |
f451eb13 JB |
2985 | } |
2986 | } | |
2987 | else | |
2988 | { | |
ab648270 JB |
2989 | struct scroll_bar *bar |
2990 | = x_window_to_scroll_bar (event.xexpose.window); | |
3afe33e7 | 2991 | |
f451eb13 | 2992 | if (bar) |
3afe33e7 RS |
2993 | x_scroll_bar_expose (bar, &event); |
2994 | #ifdef USE_X_TOOLKIT | |
2995 | else | |
2996 | goto OTHER; | |
2997 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
2998 | } |
2999 | break; | |
3000 | ||
3001 | case GraphicsExpose: /* This occurs when an XCopyArea's | |
3002 | source area was obscured or not | |
3003 | available.*/ | |
f451eb13 JB |
3004 | f = x_window_to_frame (event.xgraphicsexpose.drawable); |
3005 | if (f) | |
3006 | { | |
3007 | dumprectangle (f, | |
3008 | event.xgraphicsexpose.x, event.xgraphicsexpose.y, | |
3009 | event.xgraphicsexpose.width, | |
3010 | event.xgraphicsexpose.height); | |
f451eb13 | 3011 | } |
3afe33e7 RS |
3012 | #ifdef USE_X_TOOLKIT |
3013 | else | |
3014 | goto OTHER; | |
3015 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3016 | break; |
3017 | ||
3018 | case NoExpose: /* This occurs when an XCopyArea's | |
3019 | source area was completely | |
3020 | available */ | |
3021 | break; | |
c118dd06 | 3022 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3023 | case ExposeWindow: |
3024 | if (event.subwindow != 0) | |
3025 | break; /* duplicate event */ | |
f676886a JB |
3026 | f = x_window_to_frame (event.window); |
3027 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3028 | { |
f676886a | 3029 | refreshicon (f); |
3a88c238 | 3030 | f->async_iconified = 1; |
dc6f92b8 | 3031 | } |
c118dd06 | 3032 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3033 | { |
3034 | /* Say must check all windows' needs_exposure flags. */ | |
3035 | expose_all_windows = 1; | |
f676886a | 3036 | f->display.x->needs_exposure = 1; |
3a88c238 | 3037 | f->async_visible = 1; |
dc6f92b8 JB |
3038 | } |
3039 | break; | |
3040 | ||
3041 | case ExposeRegion: | |
3042 | if (event.subwindow != 0) | |
3043 | break; /* duplicate event */ | |
f676886a JB |
3044 | f = x_window_to_frame (event.window); |
3045 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3046 | { |
f676886a | 3047 | refreshicon (f); |
dc6f92b8 JB |
3048 | break; |
3049 | } | |
3050 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3051 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3052 | break; |
3053 | /* Put the event on the queue of rectangles to redraw. */ | |
3054 | if (enqueue_event (&event, &x_expose_queue)) | |
3055 | /* If it is full, we can't record the rectangle, | |
3056 | so redraw this entire window. */ | |
3057 | { | |
3058 | /* Say must check all windows' needs_exposure flags. */ | |
3059 | expose_all_windows = 1; | |
f676886a | 3060 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3061 | } |
3062 | break; | |
3063 | ||
3064 | case ExposeCopy: | |
3065 | /* This should happen only when we are expecting it, | |
3066 | in x_read_exposes. */ | |
3067 | abort (); | |
c118dd06 | 3068 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3069 | |
3070 | #ifdef HAVE_X11 | |
3071 | case UnmapNotify: | |
f451eb13 JB |
3072 | f = x_window_to_frame (event.xunmap.window); |
3073 | if (f) /* F may no longer exist if | |
f676886a | 3074 | the frame was deleted. */ |
f451eb13 JB |
3075 | { |
3076 | /* While a frame is unmapped, display generation is | |
3077 | disabled; you don't want to spend time updating a | |
3078 | display that won't ever be seen. */ | |
3079 | f->async_visible = 0; | |
9319ae23 RS |
3080 | /* The window manager never makes a window invisible |
3081 | ("withdrawn"); all it does is switch between visible | |
3082 | and iconified. Frames get into the invisible state | |
041b69ac | 3083 | only through x_make_frame_invisible. */ |
9319ae23 RS |
3084 | if (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)) |
3085 | f->async_iconified = 1; | |
f451eb13 | 3086 | } |
3afe33e7 RS |
3087 | #ifdef USE_X_TOOLKIT |
3088 | goto OTHER; | |
3089 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3090 | break; |
3091 | ||
3092 | case MapNotify: | |
3afe33e7 RS |
3093 | #ifdef USE_X_TOOLKIT |
3094 | f = x_any_window_to_frame (event.xmap.window); | |
3095 | #else /* not USE_X_TOOLKIT */ | |
f676886a | 3096 | f = x_window_to_frame (event.xmap.window); |
3afe33e7 | 3097 | #endif /* not USE_X_TOOLKIT */ |
f676886a | 3098 | if (f) |
dc6f92b8 | 3099 | { |
3a88c238 JB |
3100 | f->async_visible = 1; |
3101 | f->async_iconified = 0; | |
dc6f92b8 JB |
3102 | |
3103 | /* wait_reading_process_input will notice this and update | |
f676886a JB |
3104 | the frame's display structures. */ |
3105 | SET_FRAME_GARBAGED (f); | |
dc6f92b8 | 3106 | } |
3afe33e7 RS |
3107 | #ifdef USE_X_TOOLKIT |
3108 | goto OTHER; | |
3109 | #endif /* USE_X_TOOLKIT */ | |
3110 | break; | |
dc6f92b8 JB |
3111 | |
3112 | /* Turn off processing if we become fully obscured. */ | |
3113 | case VisibilityNotify: | |
3114 | break; | |
3115 | ||
c118dd06 | 3116 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 3117 | case UnmapWindow: |
f676886a JB |
3118 | f = x_window_to_frame (event.window); |
3119 | if (event.window == f->display.x->icon_desc) | |
3a88c238 | 3120 | f->async_iconified = 0; |
c118dd06 | 3121 | if (event.window == FRAME_X_WINDOW (f)) |
3a88c238 | 3122 | f->async_visible = 0; |
dc6f92b8 | 3123 | break; |
c118dd06 | 3124 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3125 | |
3126 | #ifdef HAVE_X11 | |
3127 | case KeyPress: | |
f676886a | 3128 | f = x_window_to_frame (event.xkey.window); |
f451eb13 | 3129 | |
f676886a | 3130 | if (f != 0) |
dc6f92b8 | 3131 | { |
2d368234 | 3132 | KeySym keysym, orig_keysym; |
bf6d8fb9 RS |
3133 | /* al%imercury@uunet.uu.net says that making this 81 instead of |
3134 | 80 fixed a bug whereby meta chars made his Emacs hang. */ | |
3135 | unsigned char copy_buffer[81]; | |
64bb1782 RS |
3136 | int modifiers; |
3137 | ||
dfeccd2d JB |
3138 | event.xkey.state |
3139 | |= x_emacs_to_x_modifiers (extra_keyboard_modifiers); | |
64bb1782 | 3140 | modifiers = event.xkey.state; |
3a2712f9 | 3141 | |
11edeb03 | 3142 | /* This will have to go some day... */ |
752a043f JB |
3143 | |
3144 | /* make_lispy_event turns chars into control chars. | |
3145 | Don't do it here because XLookupString is too eager. */ | |
3146 | event.xkey.state &= ~ControlMask; | |
11edeb03 JB |
3147 | nbytes = |
3148 | XLookupString (&event.xkey, copy_buffer, 80, &keysym, | |
3149 | &compose_status); | |
dc6f92b8 | 3150 | |
55123275 JB |
3151 | /* Strip off the vendor-specific keysym bit, and take a shot |
3152 | at recognizing the codes. HP servers have extra keysyms | |
3153 | that fit into the MiscFunctionKey category. */ | |
2d368234 | 3154 | orig_keysym = keysym; |
55123275 JB |
3155 | keysym &= ~(1<<28); |
3156 | ||
dc6f92b8 JB |
3157 | if (numchars > 1) |
3158 | { | |
64a07219 JB |
3159 | if (((keysym >= XK_BackSpace && keysym <= XK_Escape) |
3160 | || keysym == XK_Delete | |
3161 | || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ | |
3162 | || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ | |
c34790e0 | 3163 | #ifdef HPUX |
64a07219 JB |
3164 | /* This recognizes the "extended function keys". |
3165 | It seems there's no cleaner way. | |
3166 | Test IsModifierKey to avoid handling mode_switch | |
3167 | incorrectly. */ | |
3168 | || ((unsigned) (keysym) >= XK_Select | |
3169 | && (unsigned)(keysym) < XK_KP_Space) | |
69388238 RS |
3170 | #endif |
3171 | #ifdef XK_dead_circumflex | |
3172 | || orig_keysym == XK_dead_circumflex | |
3173 | #endif | |
3174 | #ifdef XK_dead_grave | |
3175 | || orig_keysym == XK_dead_grave | |
3176 | #endif | |
3177 | #ifdef XK_dead_tilde | |
3178 | || orig_keysym == XK_dead_tilde | |
3179 | #endif | |
3180 | #ifdef XK_dead_diaeresis | |
3181 | || orig_keysym == XK_dead_diaeresis | |
3182 | #endif | |
3183 | #ifdef XK_dead_macron | |
3184 | || orig_keysym == XK_dead_macron | |
3185 | #endif | |
3186 | #ifdef XK_dead_degree | |
3187 | || orig_keysym == XK_dead_degree | |
3188 | #endif | |
3189 | #ifdef XK_dead_acute | |
3190 | || orig_keysym == XK_dead_acute | |
3191 | #endif | |
3192 | #ifdef XK_dead_cedilla | |
3193 | || orig_keysym == XK_dead_cedilla | |
3194 | #endif | |
3195 | #ifdef XK_dead_breve | |
3196 | || orig_keysym == XK_dead_breve | |
3197 | #endif | |
3198 | #ifdef XK_dead_ogonek | |
3199 | || orig_keysym == XK_dead_ogonek | |
3200 | #endif | |
3201 | #ifdef XK_dead_caron | |
3202 | || orig_keysym == XK_dead_caron | |
3203 | #endif | |
3204 | #ifdef XK_dead_doubleacute | |
3205 | || orig_keysym == XK_dead_doubleacute | |
3206 | #endif | |
3207 | #ifdef XK_dead_abovedot | |
3208 | || orig_keysym == XK_dead_abovedot | |
c34790e0 | 3209 | #endif |
64a07219 JB |
3210 | || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ |
3211 | || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ | |
3212 | || x_is_vendor_fkey (orig_keysym)) | |
7719aa06 RS |
3213 | && ! (IsModifierKey (orig_keysym) |
3214 | #ifndef HAVE_X11R5 | |
3215 | #ifdef XK_Mode_switch | |
3216 | || ((unsigned)(orig_keysym) == XK_Mode_switch) | |
3217 | #endif | |
3218 | #ifdef XK_Num_Lock | |
3219 | || ((unsigned)(orig_keysym) == XK_Num_Lock) | |
3220 | #endif | |
3221 | #endif /* not HAVE_X11R5 */ | |
3222 | )) | |
dc6f92b8 | 3223 | { |
10e6549c RS |
3224 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3225 | temp_index = 0; | |
3226 | temp_buffer[temp_index++] = keysym; | |
dc6f92b8 | 3227 | bufp->kind = non_ascii_keystroke; |
69388238 | 3228 | bufp->code = keysym; |
12ba150f | 3229 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3230 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3231 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3232 | bufp++; |
3233 | count++; | |
3234 | numchars--; | |
3235 | } | |
3236 | else if (numchars > nbytes) | |
3237 | { | |
3238 | register int i; | |
3239 | ||
10e6549c | 3240 | for (i = 0; i < nbytes; i++) |
dc6f92b8 | 3241 | { |
10e6549c RS |
3242 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
3243 | temp_index = 0; | |
3244 | temp_buffer[temp_index++] = copy_buffer[i]; | |
dc6f92b8 | 3245 | bufp->kind = ascii_keystroke; |
69388238 | 3246 | bufp->code = copy_buffer[i]; |
12ba150f | 3247 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dfeccd2d | 3248 | bufp->modifiers = x_x_to_emacs_modifiers (modifiers); |
1113d9db | 3249 | bufp->timestamp = event.xkey.time; |
dc6f92b8 JB |
3250 | bufp++; |
3251 | } | |
dc6f92b8 JB |
3252 | |
3253 | count += nbytes; | |
3254 | numchars -= nbytes; | |
3255 | } | |
10e6549c RS |
3256 | else |
3257 | abort (); | |
dc6f92b8 | 3258 | } |
10e6549c RS |
3259 | else |
3260 | abort (); | |
dc6f92b8 JB |
3261 | } |
3262 | break; | |
c118dd06 | 3263 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3264 | case KeyPressed: |
3265 | { | |
3266 | register char *where_mapping; | |
3267 | ||
f676886a | 3268 | f = x_window_to_frame (event.window); |
dc6f92b8 | 3269 | /* Ignore keys typed on icon windows. */ |
f676886a | 3270 | if (f != 0 && event.window == f->display.x->icon_desc) |
dc6f92b8 JB |
3271 | break; |
3272 | where_mapping = XLookupMapping (&event, &nbytes); | |
3273 | /* Nasty fix for arrow keys */ | |
3274 | if (!nbytes && IsCursorKey (event.detail & 0xff)) | |
3275 | { | |
3276 | switch (event.detail & 0xff) | |
3277 | { | |
3278 | case KC_CURSOR_LEFT: | |
3279 | where_mapping = "\002"; | |
3280 | break; | |
3281 | case KC_CURSOR_RIGHT: | |
3282 | where_mapping = "\006"; | |
3283 | break; | |
3284 | case KC_CURSOR_UP: | |
3285 | where_mapping = "\020"; | |
3286 | break; | |
3287 | case KC_CURSOR_DOWN: | |
3288 | where_mapping = "\016"; | |
3289 | break; | |
3290 | } | |
3291 | nbytes = 1; | |
3292 | } | |
3293 | if (numchars - nbytes > 0) | |
3294 | { | |
3295 | register int i; | |
3296 | ||
3297 | for (i = 0; i < nbytes; i++) | |
3298 | { | |
3299 | bufp->kind = ascii_keystroke; | |
69388238 | 3300 | bufp->code = where_mapping[i]; |
90e65f07 | 3301 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
12ba150f | 3302 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
dc6f92b8 JB |
3303 | bufp++; |
3304 | } | |
3305 | count += nbytes; | |
3306 | numchars -= nbytes; | |
3307 | } | |
3308 | } | |
3309 | break; | |
c118dd06 | 3310 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3311 | |
3312 | #ifdef HAVE_X11 | |
f451eb13 JB |
3313 | |
3314 | /* Here's a possible interpretation of the whole | |
3315 | FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a | |
3316 | FocusIn event, you have to get a FocusOut event before you | |
3317 | relinquish the focus. If you haven't received a FocusIn event, | |
3318 | then a mere LeaveNotify is enough to free you. */ | |
3319 | ||
dc6f92b8 | 3320 | case EnterNotify: |
f676886a | 3321 | f = x_window_to_frame (event.xcrossing.window); |
6d4238f3 | 3322 | |
f451eb13 | 3323 | if (event.xcrossing.focus) /* Entered Window */ |
dc6f92b8 | 3324 | { |
dc6f92b8 | 3325 | /* Avoid nasty pop/raise loops. */ |
f676886a JB |
3326 | if (f && (!(f->auto_raise) |
3327 | || !(f->auto_lower) | |
dc6f92b8 JB |
3328 | || (event.xcrossing.time - enter_timestamp) > 500)) |
3329 | { | |
f676886a | 3330 | x_new_focus_frame (f); |
dc6f92b8 JB |
3331 | enter_timestamp = event.xcrossing.time; |
3332 | } | |
dc6f92b8 | 3333 | } |
f676886a JB |
3334 | else if (f == x_focus_frame) |
3335 | x_new_focus_frame (0); | |
3afe33e7 RS |
3336 | #ifdef USE_X_TOOLKIT |
3337 | goto OTHER; | |
3338 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3339 | break; |
3340 | ||
3341 | case FocusIn: | |
f676886a | 3342 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3343 | if (event.xfocus.detail != NotifyPointer) |
3344 | x_focus_event_frame = f; | |
f676886a JB |
3345 | if (f) |
3346 | x_new_focus_frame (f); | |
3afe33e7 RS |
3347 | #ifdef USE_X_TOOLKIT |
3348 | goto OTHER; | |
3349 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3350 | break; |
3351 | ||
f451eb13 | 3352 | |
dc6f92b8 | 3353 | case LeaveNotify: |
f451eb13 | 3354 | f = x_window_to_frame (event.xcrossing.window); |
b1c884c3 | 3355 | |
f451eb13 JB |
3356 | if (event.xcrossing.focus) |
3357 | { | |
3358 | if (! x_focus_event_frame) | |
3359 | x_new_focus_frame (0); | |
3360 | else | |
f676886a | 3361 | x_new_focus_frame (f); |
f451eb13 JB |
3362 | } |
3363 | else | |
3364 | { | |
3365 | if (f == x_focus_event_frame) | |
3366 | x_focus_event_frame = 0; | |
3367 | if (f == x_focus_frame) | |
f676886a | 3368 | x_new_focus_frame (0); |
dc6f92b8 | 3369 | } |
3afe33e7 RS |
3370 | #ifdef USE_X_TOOLKIT |
3371 | goto OTHER; | |
3372 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3373 | break; |
3374 | ||
3375 | case FocusOut: | |
f676886a | 3376 | f = x_window_to_frame (event.xfocus.window); |
f451eb13 JB |
3377 | if (event.xfocus.detail != NotifyPointer |
3378 | && f == x_focus_event_frame) | |
3379 | x_focus_event_frame = 0; | |
f676886a JB |
3380 | if (f && f == x_focus_frame) |
3381 | x_new_focus_frame (0); | |
3afe33e7 RS |
3382 | #ifdef USE_X_TOOLKIT |
3383 | goto OTHER; | |
3384 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3385 | break; |
3386 | ||
c118dd06 | 3387 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3388 | |
3389 | case EnterWindow: | |
3390 | if ((event.detail & 0xFF) == 1) | |
3391 | break; /* Coming from our own subwindow */ | |
3392 | if (event.subwindow != 0) | |
3393 | break; /* Entering our own subwindow. */ | |
3394 | ||
3395 | { | |
f676886a JB |
3396 | f = x_window_to_frame (event.window); |
3397 | x_mouse_frame = f; | |
dc6f92b8 | 3398 | |
f676886a | 3399 | x_new_focus_frame (f); |
dc6f92b8 JB |
3400 | } |
3401 | break; | |
3402 | ||
3403 | case LeaveWindow: | |
3404 | if ((event.detail & 0xFF) == 1) | |
3405 | break; /* Entering our own subwindow */ | |
3406 | if (event.subwindow != 0) | |
3407 | break; /* Leaving our own subwindow. */ | |
3408 | ||
f676886a JB |
3409 | x_mouse_frame = 0; |
3410 | if (x_focus_frame == 0 | |
3411 | && x_input_frame != 0 | |
3412 | && x_input_frame == x_window_to_frame (event.window) | |
c118dd06 | 3413 | && event.window == FRAME_X_WINDOW (x_input_frame)) |
dc6f92b8 | 3414 | { |
f676886a JB |
3415 | f = x_input_frame; |
3416 | x_input_frame = 0; | |
3417 | if (f) | |
3418 | frame_unhighlight (f); | |
dc6f92b8 JB |
3419 | } |
3420 | break; | |
c118dd06 | 3421 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3422 | |
3423 | #ifdef HAVE_X11 | |
3424 | case MotionNotify: | |
3425 | { | |
69388238 RS |
3426 | if (x_mouse_grabbed) |
3427 | f = last_mouse_frame; | |
3428 | else | |
3429 | f = x_window_to_frame (event.xmotion.window); | |
f676886a | 3430 | if (f) |
12ba150f | 3431 | note_mouse_movement (f, &event.xmotion); |
f451eb13 | 3432 | else |
dc6f92b8 | 3433 | { |
69388238 RS |
3434 | struct scroll_bar *bar |
3435 | = x_window_to_scroll_bar (event.xmotion.window); | |
f451eb13 JB |
3436 | |
3437 | if (bar) | |
ab648270 | 3438 | x_scroll_bar_note_movement (bar, &event); |
dc6f92b8 | 3439 | } |
dc6f92b8 | 3440 | } |
3afe33e7 RS |
3441 | #ifdef USE_X_TOOLKIT |
3442 | goto OTHER; | |
3443 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3444 | break; |
3445 | ||
3446 | case ConfigureNotify: | |
3afe33e7 RS |
3447 | #ifdef USE_X_TOOLKIT |
3448 | /* process done in widget.c */ | |
3449 | goto OTHER; | |
3450 | #else /* not USE_X_TOOLKIT */ | |
dbc4e1c1 JB |
3451 | f = x_window_to_frame (event.xconfigure.window); |
3452 | if (f) | |
3453 | { | |
3454 | int rows = PIXEL_TO_CHAR_HEIGHT (f, event.xconfigure.height); | |
3455 | int columns = PIXEL_TO_CHAR_WIDTH (f, event.xconfigure.width); | |
3456 | ||
3457 | /* Even if the number of character rows and columns has | |
3458 | not changed, the font size may have changed, so we need | |
3459 | to check the pixel dimensions as well. */ | |
3460 | if (columns != f->width | |
3461 | || rows != f->height | |
3462 | || event.xconfigure.width != f->display.x->pixel_width | |
3463 | || event.xconfigure.height != f->display.x->pixel_height) | |
3464 | { | |
3465 | change_frame_size (f, rows, columns, 0, 1); | |
3466 | SET_FRAME_GARBAGED (f); | |
3467 | } | |
dc6f92b8 | 3468 | |
3bd330d4 | 3469 | if (! event.xconfigure.send_event) |
af395ec1 RS |
3470 | { |
3471 | Window win, child; | |
3472 | int win_x, win_y; | |
3473 | ||
6cc35d86 JB |
3474 | /* Find the position of the outside upper-left corner of |
3475 | the window, in the root coordinate system. Don't | |
3476 | refer to the parent window here; we may be processing | |
3477 | this event after the window manager has changed our | |
3478 | parent, but before we have reached the ReparentNotify. */ | |
af395ec1 RS |
3479 | XTranslateCoordinates (x_current_display, |
3480 | ||
3481 | /* From-window, to-window. */ | |
6cc35d86 | 3482 | f->display.x->window_desc, |
3bd330d4 | 3483 | ROOT_WINDOW, |
af395ec1 RS |
3484 | |
3485 | /* From-position, to-position. */ | |
6cc35d86 JB |
3486 | -event.xconfigure.border_width, |
3487 | -event.xconfigure.border_width, | |
af395ec1 RS |
3488 | &win_x, &win_y, |
3489 | ||
3490 | /* Child of win. */ | |
3491 | &child); | |
3492 | event.xconfigure.x = win_x; | |
3493 | event.xconfigure.y = win_y; | |
3494 | } | |
3495 | ||
dbc4e1c1 JB |
3496 | f->display.x->pixel_width = event.xconfigure.width; |
3497 | f->display.x->pixel_height = event.xconfigure.height; | |
3498 | f->display.x->left_pos = event.xconfigure.x; | |
3499 | f->display.x->top_pos = event.xconfigure.y; | |
3500 | } | |
3afe33e7 | 3501 | #endif /* not USE_X_TOOLKIT */ |
dbc4e1c1 | 3502 | break; |
dc6f92b8 JB |
3503 | |
3504 | case ButtonPress: | |
3505 | case ButtonRelease: | |
3506 | { | |
3507 | /* If we decide we want to generate an event to be seen | |
3508 | by the rest of Emacs, we put it here. */ | |
3509 | struct input_event emacs_event; | |
3510 | emacs_event.kind = no_event; | |
3511 | ||
f676886a JB |
3512 | f = x_window_to_frame (event.xbutton.window); |
3513 | if (f) | |
f451eb13 JB |
3514 | { |
3515 | if (!x_focus_frame || (f == x_focus_frame)) | |
69388238 | 3516 | construct_mouse_click (&emacs_event, &event, f); |
f451eb13 | 3517 | } |
dc6f92b8 | 3518 | else |
f451eb13 | 3519 | { |
ab648270 JB |
3520 | struct scroll_bar *bar = |
3521 | x_window_to_scroll_bar (event.xbutton.window); | |
f451eb13 JB |
3522 | |
3523 | if (bar) | |
ab648270 | 3524 | x_scroll_bar_handle_click (bar, &event, &emacs_event); |
3afe33e7 RS |
3525 | #ifdef USE_X_TOOLKIT |
3526 | else | |
3527 | { | |
3528 | f = x_any_window_to_frame (event.xbutton.window); | |
3529 | if (f && event.type == ButtonPress) | |
3530 | construct_menu_click (&emacs_event, | |
3531 | &event, f); | |
3532 | } | |
3533 | #endif /* USE_X_TOOLKIT */ | |
f451eb13 | 3534 | } |
dc6f92b8 JB |
3535 | |
3536 | if (numchars >= 1 && emacs_event.kind != no_event) | |
3537 | { | |
3538 | bcopy (&emacs_event, bufp, sizeof (struct input_event)); | |
3539 | bufp++; | |
3540 | count++; | |
3541 | numchars--; | |
3542 | } | |
3afe33e7 RS |
3543 | |
3544 | #ifdef USE_X_TOOLKIT | |
3545 | goto OTHER; | |
3546 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3547 | } |
3548 | break; | |
3549 | ||
c118dd06 | 3550 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3551 | case ButtonPressed: |
3552 | case ButtonReleased: | |
f676886a JB |
3553 | f = x_window_to_frame (event.window); |
3554 | if (f) | |
dc6f92b8 | 3555 | { |
f676886a | 3556 | if (event.window == f->display.x->icon_desc) |
dc6f92b8 | 3557 | { |
f676886a | 3558 | x_make_frame_visible (f); |
dc6f92b8 JB |
3559 | |
3560 | if (warp_mouse_on_deiconify) | |
c118dd06 | 3561 | XWarpMouse (FRAME_X_WINDOW (f), 10, 10); |
dc6f92b8 JB |
3562 | break; |
3563 | } | |
c118dd06 | 3564 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 | 3565 | { |
f676886a JB |
3566 | if (f->auto_raise) |
3567 | x_raise_frame (f); | |
dc6f92b8 JB |
3568 | } |
3569 | } | |
3570 | enqueue_event (&event, &x_mouse_queue); | |
3571 | if (numchars >= 2) | |
3572 | { | |
3573 | bufp->kind = ascii_keystroke; | |
69388238 | 3574 | bufp->code = 'X' & 037; /* C-x */ |
12ba150f | 3575 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3576 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3577 | bufp++; |
3578 | ||
3579 | bufp->kind = ascii_keystroke; | |
69388238 | 3580 | bufp->code = 0; /* C-@ */ |
12ba150f | 3581 | XSET (bufp->frame_or_window, Lisp_Frame, f); |
90e65f07 | 3582 | XSET (bufp->time, Lisp_Int, event.xkey.time); |
dc6f92b8 JB |
3583 | bufp++; |
3584 | ||
3585 | count += 2; | |
3586 | numchars -= 2; | |
3587 | } | |
3588 | break; | |
c118dd06 | 3589 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3590 | |
3591 | #ifdef HAVE_X11 | |
3592 | ||
3593 | case CirculateNotify: | |
3594 | break; | |
3595 | case CirculateRequest: | |
3596 | break; | |
3597 | ||
c118dd06 | 3598 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3599 | |
3600 | case MappingNotify: | |
11edeb03 JB |
3601 | /* Someone has changed the keyboard mapping - update the |
3602 | local cache. */ | |
3603 | switch (event.xmapping.request) | |
3604 | { | |
3605 | case MappingModifier: | |
3606 | x_find_modifier_meanings (); | |
3607 | /* This is meant to fall through. */ | |
3608 | case MappingKeyboard: | |
3609 | XRefreshKeyboardMapping (&event.xmapping); | |
3610 | } | |
3afe33e7 RS |
3611 | #ifdef USE_X_TOOLKIT |
3612 | goto OTHER; | |
3613 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3614 | break; |
3615 | ||
3616 | default: | |
3afe33e7 RS |
3617 | #ifdef USE_X_TOOLKIT |
3618 | OTHER: | |
3619 | BLOCK_INPUT; | |
3620 | XtDispatchEvent (&event); | |
3621 | UNBLOCK_INPUT; | |
3622 | #endif /* USE_X_TOOLKIT */ | |
dc6f92b8 JB |
3623 | break; |
3624 | } | |
3625 | } | |
3626 | ||
502add23 RS |
3627 | #ifdef X_IO_BUG |
3628 | if (! event_found) | |
3629 | /* On some systems, an X bug causes Emacs to get no more events | |
3630 | when the window is destroyed. Detect that. */ | |
3631 | XNoOp (x_current_display); | |
3632 | #endif /* X_IO_BUG */ | |
3633 | ||
dc6f92b8 JB |
3634 | #ifdef HAVE_SELECT |
3635 | if (expected && ! event_found) | |
3636 | { | |
3637 | /* AOJ 880406: if select returns true but XPending doesn't, it means that | |
3638 | there is an EOF condition; in other words, that X has died. | |
3639 | Act as if there had been a hangup. */ | |
dc6f92b8 | 3640 | int fd = ConnectionNumber (x_current_display); |
307feb1f | 3641 | SELECT_TYPE mask, junk1, junk2; |
66f55a9d | 3642 | EMACS_TIME timeout; |
dc6f92b8 | 3643 | |
61c3ce62 RS |
3644 | FD_ZERO (&mask); |
3645 | FD_SET (fd, &mask); | |
66f55a9d | 3646 | EMACS_SET_SECS_USECS (timeout, 0, 0); |
307feb1f RS |
3647 | FD_ZERO (&junk1); |
3648 | FD_ZERO (&junk2); | |
3649 | if (0 != select (fd + 1, &mask, &junk1, &junk2, &timeout) | |
dc6f92b8 JB |
3650 | && !XStuffPending ()) |
3651 | kill (getpid (), SIGHUP); | |
3652 | } | |
61c3ce62 | 3653 | #endif /* HAVE_SELECT */ |
dc6f92b8 | 3654 | |
f451eb13 | 3655 | #ifndef HAVE_X11 |
f676886a | 3656 | if (updating_frame == 0) |
dc6f92b8 | 3657 | x_do_pending_expose (); |
f451eb13 | 3658 | #endif |
dc6f92b8 JB |
3659 | |
3660 | UNBLOCK_INPUT; | |
3661 | return count; | |
3662 | } | |
3663 | ||
3664 | #ifndef HAVE_X11 | |
3665 | /* Read and process only Expose events | |
3666 | until we get an ExposeCopy event; then return. | |
3667 | This is used in insert/delete line. | |
3668 | We assume input is already blocked. */ | |
3669 | ||
3670 | static void | |
3671 | x_read_exposes () | |
3672 | { | |
f676886a | 3673 | struct frame *f; |
dc6f92b8 JB |
3674 | XKeyPressedEvent event; |
3675 | ||
3676 | while (1) | |
3677 | { | |
3678 | /* while there are more events*/ | |
3679 | XMaskEvent (ExposeWindow | ExposeRegion | ExposeCopy, &event); | |
3680 | switch (event.type) | |
3681 | { | |
3682 | case ExposeWindow: | |
3683 | if (event.subwindow != 0) | |
3684 | break; /* duplicate event */ | |
f676886a JB |
3685 | f = x_window_to_frame (event.window); |
3686 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3687 | { |
f676886a | 3688 | refreshicon (f); |
dc6f92b8 JB |
3689 | break; |
3690 | } | |
c118dd06 | 3691 | if (event.window == FRAME_X_WINDOW (f)) |
dc6f92b8 JB |
3692 | { |
3693 | expose_all_windows = 1; | |
f676886a | 3694 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3695 | break; |
3696 | } | |
3697 | break; | |
3698 | ||
3699 | case ExposeRegion: | |
3700 | if (event.subwindow != 0) | |
3701 | break; /* duplicate event */ | |
f676886a JB |
3702 | f = x_window_to_frame (event.window); |
3703 | if (event.window == f->display.x->icon_desc) | |
dc6f92b8 | 3704 | { |
f676886a | 3705 | refreshicon (f); |
dc6f92b8 JB |
3706 | break; |
3707 | } | |
3708 | /* If window already needs full redraw, ignore this rectangle. */ | |
f676886a | 3709 | if (expose_all_windows && f->display.x->needs_exposure) |
dc6f92b8 JB |
3710 | break; |
3711 | /* Put the event on the queue of rectangles to redraw. */ | |
3712 | if (enqueue_event (&event, &x_expose_queue)) | |
3713 | /* If it is full, we can't record the rectangle, | |
3714 | so redraw this entire window. */ | |
3715 | { | |
3716 | /* Say must check all windows' needs_exposure flags. */ | |
3717 | expose_all_windows = 1; | |
f676886a | 3718 | f->display.x->needs_exposure = 1; |
dc6f92b8 JB |
3719 | } |
3720 | break; | |
3721 | ||
3722 | case ExposeCopy: | |
3723 | return; | |
3724 | } | |
3725 | } | |
3726 | } | |
3727 | #endif /* HAVE_X11 */ | |
3728 | ||
dc6f92b8 | 3729 | \f |
f451eb13 JB |
3730 | /* Drawing the cursor. */ |
3731 | ||
3732 | ||
dc6f92b8 JB |
3733 | /* Draw a hollow box cursor. Don't change the inside of the box. */ |
3734 | ||
3735 | static void | |
f676886a JB |
3736 | x_draw_box (f) |
3737 | struct frame *f; | |
dc6f92b8 | 3738 | { |
12ba150f JB |
3739 | int left = CHAR_TO_PIXEL_COL (f, f->cursor_x); |
3740 | int top = CHAR_TO_PIXEL_ROW (f, f->cursor_y); | |
f676886a JB |
3741 | int width = FONT_WIDTH (f->display.x->font); |
3742 | int height = FONT_HEIGHT (f->display.x->font); | |
dc6f92b8 JB |
3743 | |
3744 | #ifdef HAVE_X11 | |
c118dd06 | 3745 | XDrawRectangle (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 3746 | f->display.x->cursor_gc, |
dc6f92b8 | 3747 | left, top, width - 1, height - 1); |
c118dd06 JB |
3748 | #else /* ! defined (HAVE_X11) */ |
3749 | XPixSet (FRAME_X_WINDOW (f), | |
dc6f92b8 | 3750 | left, top, width, 1, |
f676886a | 3751 | f->display.x->cursor_pixel); |
dc6f92b8 | 3752 | |
c118dd06 | 3753 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3754 | left, top, 1, height, |
f676886a | 3755 | f->display.x->cursor_pixel); |
dc6f92b8 | 3756 | |
c118dd06 | 3757 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3758 | left+width-1, top, 1, height, |
f676886a | 3759 | f->display.x->cursor_pixel); |
dc6f92b8 | 3760 | |
c118dd06 | 3761 | XPixSet (FRAME_X_WINDOW (f), |
dc6f92b8 | 3762 | left, top+height-1, width, 1, |
f676886a | 3763 | f->display.x->cursor_pixel); |
c118dd06 | 3764 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3765 | } |
3766 | ||
f676886a | 3767 | /* Clear the cursor of frame F to background color, |
dc6f92b8 JB |
3768 | and mark the cursor as not shown. |
3769 | This is used when the text where the cursor is | |
3770 | is about to be rewritten. */ | |
3771 | ||
3772 | static void | |
f676886a JB |
3773 | clear_cursor (f) |
3774 | struct frame *f; | |
dc6f92b8 JB |
3775 | { |
3776 | int mask; | |
3777 | ||
f451eb13 | 3778 | if (! FRAME_VISIBLE_P (f) |
f676886a | 3779 | || f->phys_cursor_x < 0) |
dc6f92b8 JB |
3780 | return; |
3781 | ||
3782 | #ifdef HAVE_X11 | |
f676886a | 3783 | x_display_cursor (f, 0); |
c118dd06 JB |
3784 | #else /* ! defined (HAVE_X11) */ |
3785 | XPixSet (FRAME_X_WINDOW (f), | |
12ba150f JB |
3786 | CHAR_TO_PIXEL_COL (f, f->phys_cursor_x), |
3787 | CHAR_TO_PIXEL_ROW (f, f->phys_cursor_y), | |
f676886a JB |
3788 | FONT_WIDTH (f->display.x->font), FONT_HEIGHT (f->display.x->font), |
3789 | f->display.x->background_pixel); | |
c118dd06 | 3790 | #endif /* ! defined (HAVE_X11) */ |
f676886a | 3791 | f->phys_cursor_x = -1; |
dc6f92b8 JB |
3792 | } |
3793 | ||
f676886a | 3794 | /* Redraw the glyph at ROW, COLUMN on frame F, in the style |
90e65f07 JB |
3795 | HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the |
3796 | glyph drawn. */ | |
dc6f92b8 JB |
3797 | |
3798 | static void | |
f676886a JB |
3799 | x_draw_single_glyph (f, row, column, glyph, highlight) |
3800 | struct frame *f; | |
dc6f92b8 | 3801 | int row, column; |
90e65f07 | 3802 | GLYPH glyph; |
dc6f92b8 JB |
3803 | int highlight; |
3804 | { | |
f676886a | 3805 | dumpglyphs (f, |
12ba150f JB |
3806 | CHAR_TO_PIXEL_COL (f, column), |
3807 | CHAR_TO_PIXEL_ROW (f, row), | |
07e34cb0 | 3808 | &glyph, 1, highlight); |
dc6f92b8 JB |
3809 | } |
3810 | ||
dc6f92b8 | 3811 | static void |
dbc4e1c1 | 3812 | x_display_bar_cursor (f, on) |
f676886a | 3813 | struct frame *f; |
dc6f92b8 JB |
3814 | int on; |
3815 | { | |
f676886a | 3816 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); |
90e65f07 | 3817 | |
49d838ea JB |
3818 | /* This is pointless on invisible frames, and dangerous on garbaged |
3819 | frames; in the latter case, the frame may be in the midst of | |
3820 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3821 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dbc4e1c1 JB |
3822 | return; |
3823 | ||
3824 | if (! on && f->phys_cursor_x < 0) | |
3825 | return; | |
3826 | ||
f676886a | 3827 | /* If we're not updating, then we want to use the current frame's |
1113d9db | 3828 | cursor position, not our local idea of where the cursor ought to be. */ |
f676886a | 3829 | if (f != updating_frame) |
1113d9db | 3830 | { |
f676886a JB |
3831 | curs_x = FRAME_CURSOR_X (f); |
3832 | curs_y = FRAME_CURSOR_Y (f); | |
1113d9db JB |
3833 | } |
3834 | ||
dbc4e1c1 JB |
3835 | /* If there is anything wrong with the current cursor state, remove it. */ |
3836 | if (f->phys_cursor_x >= 0 | |
3837 | && (!on | |
3838 | || f->phys_cursor_x != curs_x | |
3839 | || f->phys_cursor_y != curs_y | |
3840 | || f->display.x->current_cursor != bar_cursor)) | |
3841 | { | |
3842 | /* Erase the cursor by redrawing the character underneath it. */ | |
3843 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, | |
3844 | f->phys_cursor_glyph, | |
3845 | current_glyphs->highlight[f->phys_cursor_y]); | |
3846 | f->phys_cursor_x = -1; | |
3847 | } | |
3848 | ||
3849 | /* If we now need a cursor in the new place or in the new form, do it so. */ | |
3850 | if (on | |
3851 | && (f->phys_cursor_x < 0 | |
3852 | || (f->display.x->current_cursor != bar_cursor))) | |
3853 | { | |
3854 | f->phys_cursor_glyph | |
3855 | = ((current_glyphs->enable[curs_y] | |
3856 | && curs_x < current_glyphs->used[curs_y]) | |
3857 | ? current_glyphs->glyphs[curs_y][curs_x] | |
3858 | : SPACEGLYPH); | |
3859 | XFillRectangle (x_current_display, FRAME_X_WINDOW (f), | |
3860 | f->display.x->cursor_gc, | |
3861 | CHAR_TO_PIXEL_COL (f, curs_x), | |
3862 | CHAR_TO_PIXEL_ROW (f, curs_y), | |
3863 | 1, FONT_HEIGHT (f->display.x->font)); | |
3864 | ||
3865 | f->phys_cursor_x = curs_x; | |
3866 | f->phys_cursor_y = curs_y; | |
3867 | ||
3868 | f->display.x->current_cursor = bar_cursor; | |
3869 | } | |
3870 | ||
3871 | if (updating_frame != f) | |
3872 | XFlushQueue (); | |
3873 | } | |
3874 | ||
3875 | ||
3876 | /* Turn the displayed cursor of frame F on or off according to ON. | |
3877 | If ON is nonzero, where to put the cursor is specified | |
3878 | by F->cursor_x and F->cursor_y. */ | |
3879 | ||
3880 | static void | |
3881 | x_display_box_cursor (f, on) | |
3882 | struct frame *f; | |
3883 | int on; | |
3884 | { | |
3885 | struct frame_glyphs *current_glyphs = FRAME_CURRENT_GLYPHS (f); | |
3886 | ||
49d838ea JB |
3887 | /* This is pointless on invisible frames, and dangerous on garbaged |
3888 | frames; in the latter case, the frame may be in the midst of | |
3889 | changing its size, and curs_x and curs_y may be off the frame. */ | |
3890 | if (! FRAME_VISIBLE_P (f) || FRAME_GARBAGED_P (f)) | |
dc6f92b8 JB |
3891 | return; |
3892 | ||
3893 | /* If cursor is off and we want it off, return quickly. */ | |
f676886a | 3894 | if (!on && f->phys_cursor_x < 0) |
dc6f92b8 JB |
3895 | return; |
3896 | ||
dbc4e1c1 JB |
3897 | /* If we're not updating, then we want to use the current frame's |
3898 | cursor position, not our local idea of where the cursor ought to be. */ | |
3899 | if (f != updating_frame) | |
3900 | { | |
3901 | curs_x = FRAME_CURSOR_X (f); | |
3902 | curs_y = FRAME_CURSOR_Y (f); | |
3903 | } | |
3904 | ||
dc6f92b8 JB |
3905 | /* If cursor is currently being shown and we don't want it to be |
3906 | or it is in the wrong place, | |
3907 | or we want a hollow box and it's not so, (pout!) | |
3908 | erase it. */ | |
f676886a | 3909 | if (f->phys_cursor_x >= 0 |
dc6f92b8 | 3910 | && (!on |
f676886a JB |
3911 | || f->phys_cursor_x != curs_x |
3912 | || f->phys_cursor_y != curs_y | |
dbc4e1c1 | 3913 | || (f->display.x->current_cursor != hollow_box_cursor |
f676886a | 3914 | && (f != x_highlight_frame)))) |
dc6f92b8 JB |
3915 | { |
3916 | /* Erase the cursor by redrawing the character underneath it. */ | |
f676886a JB |
3917 | x_draw_single_glyph (f, f->phys_cursor_y, f->phys_cursor_x, |
3918 | f->phys_cursor_glyph, | |
3919 | current_glyphs->highlight[f->phys_cursor_y]); | |
3920 | f->phys_cursor_x = -1; | |
dc6f92b8 JB |
3921 | } |
3922 | ||
3923 | /* If we want to show a cursor, | |
3924 | or we want a box cursor and it's not so, | |
3925 | write it in the right place. */ | |
3926 | if (on | |
f676886a | 3927 | && (f->phys_cursor_x < 0 |
dbc4e1c1 | 3928 | || (f->display.x->current_cursor != filled_box_cursor |
f676886a | 3929 | && f == x_highlight_frame))) |
dc6f92b8 | 3930 | { |
f676886a | 3931 | f->phys_cursor_glyph |
1113d9db JB |
3932 | = ((current_glyphs->enable[curs_y] |
3933 | && curs_x < current_glyphs->used[curs_y]) | |
3934 | ? current_glyphs->glyphs[curs_y][curs_x] | |
90e65f07 | 3935 | : SPACEGLYPH); |
f676886a | 3936 | if (f != x_highlight_frame) |
dc6f92b8 | 3937 | { |
f676886a | 3938 | x_draw_box (f); |
dbc4e1c1 | 3939 | f->display.x->current_cursor = hollow_box_cursor; |
dc6f92b8 JB |
3940 | } |
3941 | else | |
3942 | { | |
f676886a JB |
3943 | x_draw_single_glyph (f, curs_y, curs_x, |
3944 | f->phys_cursor_glyph, 2); | |
dbc4e1c1 | 3945 | f->display.x->current_cursor = filled_box_cursor; |
dc6f92b8 JB |
3946 | } |
3947 | ||
f676886a JB |
3948 | f->phys_cursor_x = curs_x; |
3949 | f->phys_cursor_y = curs_y; | |
dc6f92b8 JB |
3950 | } |
3951 | ||
f676886a | 3952 | if (updating_frame != f) |
dc6f92b8 JB |
3953 | XFlushQueue (); |
3954 | } | |
3955 | ||
f676886a JB |
3956 | x_display_cursor (f, on) |
3957 | struct frame *f; | |
dc6f92b8 JB |
3958 | int on; |
3959 | { | |
f94397b5 KH |
3960 | BLOCK_INPUT; |
3961 | ||
dbc4e1c1 | 3962 | if (FRAME_DESIRED_CURSOR (f) == filled_box_cursor) |
f676886a | 3963 | x_display_box_cursor (f, on); |
dbc4e1c1 | 3964 | else if (FRAME_DESIRED_CURSOR (f) == bar_cursor) |
f676886a | 3965 | x_display_bar_cursor (f, on); |
dbc4e1c1 JB |
3966 | else |
3967 | /* Those are the only two we have implemented! */ | |
3968 | abort (); | |
f94397b5 KH |
3969 | |
3970 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
3971 | } |
3972 | \f | |
3973 | /* Icons. */ | |
3974 | ||
f676886a | 3975 | /* Refresh bitmap kitchen sink icon for frame F |
dc6f92b8 JB |
3976 | when we get an expose event for it. */ |
3977 | ||
f676886a JB |
3978 | refreshicon (f) |
3979 | struct frame *f; | |
dc6f92b8 JB |
3980 | { |
3981 | #ifdef HAVE_X11 | |
3982 | /* Normally, the window manager handles this function. */ | |
c118dd06 | 3983 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
3984 | int mask; |
3985 | ||
f676886a JB |
3986 | if (f->display.x->icon_bitmap_flag) |
3987 | XBitmapBitsPut (f->display.x->icon_desc, 0, 0, sink_width, sink_height, | |
dc6f92b8 JB |
3988 | sink_bits, BlackPixel, WHITE_PIX_DEFAULT, |
3989 | icon_bitmap, GXcopy, AllPlanes); | |
3990 | else | |
3991 | { | |
f676886a | 3992 | extern struct frame *selected_frame; |
dc6f92b8 JB |
3993 | struct Lisp_String *str; |
3994 | unsigned char *string; | |
3995 | ||
3996 | string | |
f676886a | 3997 | = XSTRING (XBUFFER (XWINDOW (f->selected_window)->buffer)->name)->data; |
dc6f92b8 | 3998 | |
f676886a | 3999 | if (f->display.x->icon_label != string) |
dc6f92b8 | 4000 | { |
f676886a JB |
4001 | f->display.x->icon_label = string; |
4002 | XChangeWindow (f->display.x->icon_desc, | |
dc6f92b8 JB |
4003 | XQueryWidth (string, icon_font_info->id) + 10, |
4004 | icon_font_info->height + 10); | |
4005 | } | |
4006 | ||
f676886a | 4007 | XText (f->display.x->icon_desc, 5, 5, string, |
dc6f92b8 JB |
4008 | str->size, icon_font_info->id, |
4009 | BLACK_PIX_DEFAULT, WHITE_PIX_DEFAULT); | |
4010 | } | |
4011 | XFlushQueue (); | |
c118dd06 | 4012 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4013 | } |
4014 | ||
dbc4e1c1 | 4015 | /* Make the x-window of frame F use the gnu icon bitmap. */ |
dc6f92b8 JB |
4016 | |
4017 | int | |
f676886a JB |
4018 | x_bitmap_icon (f) |
4019 | struct frame *f; | |
dc6f92b8 JB |
4020 | { |
4021 | int mask; | |
4022 | Window icon_window; | |
4023 | ||
c118dd06 | 4024 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4025 | return 1; |
4026 | ||
4027 | #ifdef HAVE_X11 | |
8583db58 RS |
4028 | if (! icon_bitmap) |
4029 | icon_bitmap = | |
4030 | XCreateBitmapFromData (x_current_display, FRAME_X_WINDOW (f), | |
4031 | gnu_bits, gnu_width, gnu_height); | |
f676886a JB |
4032 | x_wm_set_icon_pixmap (f, icon_bitmap); |
4033 | f->display.x->icon_bitmap_flag = 1; | |
c118dd06 | 4034 | #else /* ! defined (HAVE_X11) */ |
f676886a | 4035 | if (f->display.x->icon_desc) |
dc6f92b8 | 4036 | { |
c118dd06 | 4037 | XClearIconWindow (FRAME_X_WINDOW (f)); |
f676886a | 4038 | XDestroyWindow (f->display.x->icon_desc); |
dc6f92b8 JB |
4039 | } |
4040 | ||
f676886a | 4041 | icon_window = XCreateWindow (f->display.x->parent_desc, |
dc6f92b8 JB |
4042 | 0, 0, sink_width, sink_height, |
4043 | 2, WhitePixmap, (Pixmap) NULL); | |
4044 | ||
4045 | if (icon_window == 0) | |
4046 | return 1; | |
4047 | ||
c118dd06 | 4048 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4049 | XSelectInput (icon_window, ExposeWindow | UnmapWindow); |
4050 | ||
f676886a JB |
4051 | f->display.x->icon_desc = icon_window; |
4052 | f->display.x->icon_bitmap_flag = 1; | |
dc6f92b8 JB |
4053 | |
4054 | if (icon_bitmap == 0) | |
4055 | icon_bitmap | |
4056 | = XStoreBitmap (sink_mask_width, sink_mask_height, sink_mask_bits); | |
c118dd06 | 4057 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4058 | |
4059 | return 0; | |
4060 | } | |
4061 | ||
4062 | ||
f676886a | 4063 | /* Make the x-window of frame F use a rectangle with text. */ |
dc6f92b8 JB |
4064 | |
4065 | int | |
f676886a JB |
4066 | x_text_icon (f, icon_name) |
4067 | struct frame *f; | |
dc6f92b8 JB |
4068 | char *icon_name; |
4069 | { | |
4070 | #ifndef HAVE_X11 | |
4071 | int mask; | |
4072 | int width; | |
4073 | Window icon_window; | |
4074 | char *X_DefaultValue; | |
4075 | Bitmap b1; | |
4076 | ||
dc6f92b8 JB |
4077 | #ifndef WhitePixel |
4078 | #define WhitePixel 1 | |
c118dd06 | 4079 | #endif /* WhitePixel */ |
dc6f92b8 JB |
4080 | |
4081 | #ifndef BlackPixel | |
4082 | #define BlackPixel 0 | |
c118dd06 JB |
4083 | #endif /* BlackPixel */ |
4084 | #endif /* HAVE_X11 */ | |
dc6f92b8 | 4085 | |
c118dd06 | 4086 | if (FRAME_X_WINDOW (f) == 0) |
dc6f92b8 JB |
4087 | return 1; |
4088 | ||
dc6f92b8 JB |
4089 | #ifdef HAVE_X11 |
4090 | if (icon_name) | |
f676886a | 4091 | f->display.x->icon_label = icon_name; |
dc6f92b8 | 4092 | else |
f676886a JB |
4093 | if (! f->display.x->icon_label) |
4094 | f->display.x->icon_label = " *emacs* "; | |
dc6f92b8 | 4095 | |
dfeccd2d | 4096 | #if 0 |
c118dd06 | 4097 | XSetIconName (x_current_display, FRAME_X_WINDOW (f), |
f676886a | 4098 | (char *) f->display.x->icon_label); |
dfeccd2d | 4099 | #endif |
dc6f92b8 | 4100 | |
f676886a | 4101 | f->display.x->icon_bitmap_flag = 0; |
b1c884c3 | 4102 | x_wm_set_icon_pixmap (f, 0); |
c118dd06 | 4103 | #else /* ! defined (HAVE_X11) */ |
dbc4e1c1 JB |
4104 | if (icon_font_info == 0) |
4105 | icon_font_info | |
4106 | = XGetFont (XGetDefault (XDISPLAY | |
59653951 | 4107 | (char *) XSTRING (Vinvocation_name)->data, |
dbc4e1c1 JB |
4108 | "BodyFont")); |
4109 | ||
f676886a | 4110 | if (f->display.x->icon_desc) |
dc6f92b8 | 4111 | { |
c118dd06 | 4112 | XClearIconWindow (XDISPLAY FRAME_X_WINDOW (f)); |
f676886a | 4113 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); |
dc6f92b8 JB |
4114 | } |
4115 | ||
4116 | if (icon_name) | |
f676886a | 4117 | f->display.x->icon_label = (unsigned char *) icon_name; |
dc6f92b8 | 4118 | else |
f676886a JB |
4119 | if (! f->display.x->icon_label) |
4120 | f->display.x->icon_label = XSTRING (f->name)->data; | |
dc6f92b8 | 4121 | |
f676886a JB |
4122 | width = XStringWidth (f->display.x->icon_label, icon_font_info, 0, 0); |
4123 | icon_window = XCreateWindow (f->display.x->parent_desc, | |
4124 | f->display.x->left_pos, | |
4125 | f->display.x->top_pos, | |
dc6f92b8 JB |
4126 | width + 10, icon_font_info->height + 10, |
4127 | 2, BlackPixmap, WhitePixmap); | |
4128 | ||
4129 | if (icon_window == 0) | |
4130 | return 1; | |
4131 | ||
c118dd06 | 4132 | XSetIconWindow (FRAME_X_WINDOW (f), icon_window); |
dc6f92b8 JB |
4133 | XSelectInput (icon_window, ExposeWindow | ExposeRegion | UnmapWindow | ButtonPressed); |
4134 | ||
f676886a JB |
4135 | f->display.x->icon_desc = icon_window; |
4136 | f->display.x->icon_bitmap_flag = 0; | |
4137 | f->display.x->icon_label = 0; | |
c118dd06 | 4138 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4139 | |
4140 | return 0; | |
4141 | } | |
4142 | \f | |
4746118a JB |
4143 | /* Handling X errors. */ |
4144 | ||
12ba150f JB |
4145 | /* Shut down Emacs in an orderly fashion, because of a SIGPIPE on the |
4146 | X server's connection, or an error reported via the X protocol. */ | |
16bd92ea | 4147 | |
4746118a | 4148 | static SIGTYPE |
c118dd06 | 4149 | x_connection_closed () |
4746118a JB |
4150 | { |
4151 | if (_Xdebug) | |
4152 | abort (); | |
12ba150f | 4153 | |
1cd2d6d4 | 4154 | shut_down_emacs (0, 1, Qnil); |
12ba150f JB |
4155 | |
4156 | exit (70); | |
4746118a JB |
4157 | } |
4158 | ||
8922af5f JB |
4159 | /* An X error handler which prints an error message and then kills |
4160 | Emacs. This is what's normally installed as Xlib's handler for | |
4161 | protocol errors. */ | |
c118dd06 JB |
4162 | static int |
4163 | x_error_quitter (display, error) | |
4164 | Display *display; | |
4165 | XErrorEvent *error; | |
4166 | { | |
4167 | char buf[256]; | |
dc6f92b8 | 4168 | |
c118dd06 JB |
4169 | /* Note that there is no real way portable across R3/R4 to get the |
4170 | original error handler. */ | |
dc6f92b8 | 4171 | |
c118dd06 JB |
4172 | XGetErrorText (display, error->error_code, buf, sizeof (buf)); |
4173 | fprintf (stderr, "X protocol error: %s on protocol request %d\n", | |
4174 | buf, error->request_code); | |
dc6f92b8 | 4175 | |
e09f9351 | 4176 | #if 0 |
12ba150f JB |
4177 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4178 | get an X error, so we can figure out why it happened. */ | |
4179 | abort (); | |
e09f9351 | 4180 | #endif |
12ba150f | 4181 | |
c118dd06 | 4182 | x_connection_closed (); |
dc6f92b8 JB |
4183 | } |
4184 | ||
8922af5f JB |
4185 | /* A handler for X IO errors which prints an error message and then |
4186 | kills Emacs. This is what is always installed as Xlib's handler | |
4187 | for I/O errors. */ | |
4188 | static int | |
4189 | x_io_error_quitter (display) | |
4190 | Display *display; | |
4191 | { | |
4192 | fprintf (stderr, "Connection to X server %s lost.\n", | |
4193 | XDisplayName (DisplayString (display))); | |
4194 | ||
e09f9351 | 4195 | #if 0 |
8922af5f JB |
4196 | /* While we're testing Emacs 19, we'll just dump core whenever we |
4197 | get an X error, so we can figure out why it happened. */ | |
4198 | abort (); | |
e09f9351 | 4199 | #endif |
8922af5f JB |
4200 | |
4201 | x_connection_closed (); | |
4202 | } | |
4203 | ||
c118dd06 | 4204 | /* A buffer for storing X error messages. */ |
cef13e55 RS |
4205 | static char *x_caught_error_message; |
4206 | #define X_CAUGHT_ERROR_MESSAGE_SIZE 200 | |
c118dd06 JB |
4207 | |
4208 | /* An X error handler which stores the error message in | |
4209 | x_caught_error_message. This is what's installed when | |
4210 | x_catch_errors is in effect. */ | |
4211 | static int | |
4212 | x_error_catcher (display, error) | |
4213 | Display *display; | |
4214 | XErrorEvent *error; | |
4215 | { | |
4216 | XGetErrorText (display, error->error_code, | |
cef13e55 | 4217 | x_caught_error_message, X_CAUGHT_ERROR_MESSAGE_SIZE); |
c118dd06 JB |
4218 | } |
4219 | ||
4220 | ||
4221 | /* Begin trapping X errors. | |
dc6f92b8 | 4222 | |
c118dd06 JB |
4223 | After calling this function, X protocol errors no longer cause |
4224 | Emacs to exit; instead, they are recorded in x_cfc_error_message. | |
dc6f92b8 | 4225 | |
c118dd06 JB |
4226 | Calling x_check_errors signals an Emacs error if an X error has |
4227 | occurred since the last call to x_catch_errors or x_check_errors. | |
4228 | ||
4229 | Calling x_uncatch_errors resumes the normal error handling. */ | |
4230 | ||
bc20ebbf | 4231 | void x_catch_errors (), x_check_errors (), x_uncatch_errors (); |
c118dd06 JB |
4232 | |
4233 | void | |
4234 | x_catch_errors () | |
dc6f92b8 | 4235 | { |
c118dd06 JB |
4236 | /* Make sure any errors from previous requests have been dealt with. */ |
4237 | XSync (x_current_display, False); | |
dc6f92b8 | 4238 | |
c118dd06 | 4239 | /* Set up the error buffer. */ |
60f9aad3 | 4240 | x_caught_error_message |
cef13e55 RS |
4241 | = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE); |
4242 | x_caught_error_message[0] = '\0'; | |
16bd92ea | 4243 | |
c118dd06 JB |
4244 | /* Install our little error handler. */ |
4245 | XHandleError (x_error_catcher); | |
4246 | } | |
16bd92ea | 4247 | |
c118dd06 JB |
4248 | /* If any X protocol errors have arrived since the last call to |
4249 | x_catch_errors or x_check_errors, signal an Emacs error using | |
4250 | sprintf (a buffer, FORMAT, the x error message text) as the text. */ | |
4251 | void | |
4252 | x_check_errors (format) | |
4253 | char *format; | |
4254 | { | |
4255 | /* Make sure to catch any errors incurred so far. */ | |
4256 | XSync (x_current_display, False); | |
16bd92ea | 4257 | |
cef13e55 | 4258 | if (x_caught_error_message[0]) |
c118dd06 | 4259 | { |
cef13e55 | 4260 | char buf[X_CAUGHT_ERROR_MESSAGE_SIZE + 56]; |
dc6f92b8 | 4261 | |
cef13e55 | 4262 | sprintf (buf, format, x_caught_error_message); |
c118dd06 JB |
4263 | x_uncatch_errors (); |
4264 | error (buf); | |
4265 | } | |
4266 | } | |
4267 | ||
4268 | void | |
4269 | x_uncatch_errors () | |
4270 | { | |
9ac0d9e0 | 4271 | xfree (x_caught_error_message); |
cef13e55 | 4272 | x_caught_error_message = 0; |
c118dd06 | 4273 | XHandleError (x_error_quitter); |
dc6f92b8 JB |
4274 | } |
4275 | ||
dc6f92b8 JB |
4276 | #if 0 |
4277 | static unsigned int x_wire_count; | |
4278 | x_trace_wire () | |
4279 | { | |
4280 | fprintf (stderr, "Lib call: %d\n", ++x_wire_count); | |
4281 | } | |
c118dd06 | 4282 | #endif /* ! 0 */ |
dc6f92b8 JB |
4283 | |
4284 | \f | |
f451eb13 JB |
4285 | /* Changing the font of the frame. */ |
4286 | ||
f676886a | 4287 | /* Set the font of the x-window specified by frame F |
dc6f92b8 | 4288 | to the font named NEWNAME. This is safe to use |
f676886a | 4289 | even before F has an actual x-window. */ |
dc6f92b8 JB |
4290 | |
4291 | #ifdef HAVE_X11 | |
4292 | ||
2224a5fc RS |
4293 | struct font_info |
4294 | { | |
4295 | XFontStruct *font; | |
4296 | char *name; | |
4297 | }; | |
4298 | ||
dc6f92b8 | 4299 | /* A table of all the fonts we have already loaded. */ |
2224a5fc | 4300 | static struct font_info *x_font_table; |
dc6f92b8 JB |
4301 | |
4302 | /* The current capacity of x_font_table. */ | |
4303 | static int x_font_table_size; | |
4304 | ||
4305 | /* The number of fonts actually stored in x_font_table. | |
4306 | x_font_table[n] is used and valid iff 0 <= n < n_fonts. | |
4307 | 0 <= n_fonts <= x_font_table_size. */ | |
4308 | static int n_fonts; | |
4309 | ||
b5cf7a0e | 4310 | Lisp_Object |
f676886a JB |
4311 | x_new_font (f, fontname) |
4312 | struct frame *f; | |
dc6f92b8 JB |
4313 | register char *fontname; |
4314 | { | |
dc6f92b8 JB |
4315 | int already_loaded; |
4316 | int n_matching_fonts; | |
4317 | XFontStruct *font_info; | |
4318 | char **font_names; | |
4319 | ||
4320 | /* Get a list of all the fonts that match this name. Once we | |
4321 | have a list of matching fonts, we compare them against the fonts | |
4322 | we already have by comparing font ids. */ | |
2224a5fc RS |
4323 | font_names = (char **) XListFonts (x_current_display, fontname, |
4324 | 1024, &n_matching_fonts); | |
0c94f6ee JB |
4325 | /* Apparently it doesn't set n_matching_fonts to zero when it can't |
4326 | find any matches; font_names == 0 is the only clue. */ | |
4327 | if (! font_names) | |
4328 | n_matching_fonts = 0; | |
4329 | ||
5835f860 RS |
4330 | /* Don't just give up if n_matching_fonts is 0. |
4331 | Apparently there's a bug on Suns: XListFontsWithInfo can | |
4332 | fail to find a font, but XLoadQueryFont may still find it. */ | |
dc6f92b8 | 4333 | |
90e65f07 | 4334 | /* See if we've already loaded a matching font. */ |
5835f860 RS |
4335 | already_loaded = -1; |
4336 | if (n_matching_fonts != 0) | |
4337 | { | |
4338 | int i, j; | |
dc6f92b8 | 4339 | |
5835f860 RS |
4340 | for (i = 0; i < n_fonts; i++) |
4341 | for (j = 0; j < n_matching_fonts; j++) | |
2224a5fc | 4342 | if (!strcmp (x_font_table[i].name, font_names[j])) |
5835f860 RS |
4343 | { |
4344 | already_loaded = i; | |
4345 | fontname = font_names[j]; | |
4346 | goto found_font; | |
4347 | } | |
4348 | } | |
dc6f92b8 JB |
4349 | found_font: |
4350 | ||
4351 | /* If we have, just return it from the table. */ | |
2224a5fc RS |
4352 | if (already_loaded >= 0) |
4353 | f->display.x->font = x_font_table[already_loaded].font; | |
90e65f07 | 4354 | |
dc6f92b8 JB |
4355 | /* Otherwise, load the font and add it to the table. */ |
4356 | else | |
4357 | { | |
9696f58b | 4358 | int i; |
dc6f92b8 JB |
4359 | XFontStruct *font; |
4360 | ||
9696f58b | 4361 | /* Try to find a character-cell font in the list. */ |
f126bd67 JB |
4362 | #if 0 |
4363 | /* A laudable goal, but this isn't how to do it. */ | |
9696f58b JB |
4364 | for (i = 0; i < n_matching_fonts; i++) |
4365 | if (! font_info[i].per_char) | |
4366 | break; | |
f126bd67 JB |
4367 | #else |
4368 | i = 0; | |
4369 | #endif | |
9696f58b | 4370 | |
5835f860 RS |
4371 | /* See comment above. */ |
4372 | if (n_matching_fonts != 0) | |
9696f58b JB |
4373 | fontname = font_names[i]; |
4374 | ||
dc6f92b8 JB |
4375 | font = (XFontStruct *) XLoadQueryFont (x_current_display, fontname); |
4376 | if (! font) | |
5835f860 | 4377 | { |
2224a5fc | 4378 | /* Free the information from XListFonts. */ |
5835f860 | 4379 | if (n_matching_fonts) |
2224a5fc | 4380 | XFreeFontNames (font_names); |
5835f860 RS |
4381 | return Qnil; |
4382 | } | |
dc6f92b8 JB |
4383 | |
4384 | /* Do we need to create the table? */ | |
4385 | if (x_font_table_size == 0) | |
4386 | { | |
4387 | x_font_table_size = 16; | |
4388 | x_font_table | |
2224a5fc RS |
4389 | = (struct font_info *) xmalloc (x_font_table_size |
4390 | * sizeof (x_font_table[0])); | |
dc6f92b8 JB |
4391 | } |
4392 | /* Do we need to grow the table? */ | |
4393 | else if (n_fonts >= x_font_table_size) | |
4394 | { | |
90e65f07 | 4395 | x_font_table_size *= 2; |
dc6f92b8 | 4396 | x_font_table |
2224a5fc RS |
4397 | = (struct font_info *) xrealloc (x_font_table, |
4398 | (x_font_table_size | |
4399 | * sizeof (x_font_table[0]))); | |
dc6f92b8 JB |
4400 | } |
4401 | ||
dff815ef | 4402 | x_font_table[n_fonts].name = (char *) xmalloc (strlen (fontname) + 1); |
2224a5fc RS |
4403 | bcopy (fontname, x_font_table[n_fonts].name, strlen (fontname) + 1); |
4404 | f->display.x->font = x_font_table[n_fonts++].font = font; | |
dc6f92b8 | 4405 | } |
2224a5fc | 4406 | |
f676886a | 4407 | /* Now make the frame display the given font. */ |
c118dd06 | 4408 | if (FRAME_X_WINDOW (f) != 0) |
dc6f92b8 | 4409 | { |
f676886a JB |
4410 | XSetFont (x_current_display, f->display.x->normal_gc, |
4411 | f->display.x->font->fid); | |
4412 | XSetFont (x_current_display, f->display.x->reverse_gc, | |
4413 | f->display.x->font->fid); | |
4414 | XSetFont (x_current_display, f->display.x->cursor_gc, | |
4415 | f->display.x->font->fid); | |
4416 | ||
bc20ebbf | 4417 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
4418 | } |
4419 | ||
b5cf7a0e JB |
4420 | { |
4421 | Lisp_Object lispy_name = build_string (fontname); | |
4422 | ||
4423 | ||
2224a5fc | 4424 | /* Free the information from XListFonts. The data |
b5cf7a0e | 4425 | we actually retain comes from XLoadQueryFont. */ |
2224a5fc | 4426 | XFreeFontNames (font_names); |
b5cf7a0e JB |
4427 | |
4428 | return lispy_name; | |
4429 | } | |
dc6f92b8 | 4430 | } |
c118dd06 | 4431 | #else /* ! defined (HAVE_X11) */ |
f676886a JB |
4432 | x_new_font (f, newname) |
4433 | struct frame *f; | |
dc6f92b8 JB |
4434 | register char *newname; |
4435 | { | |
4436 | FONT_TYPE *temp; | |
4437 | int mask; | |
4438 | ||
4439 | temp = XGetFont (newname); | |
4440 | if (temp == (FONT_TYPE *) 0) | |
4441 | return 1; | |
4442 | ||
f676886a JB |
4443 | if (f->display.x->font) |
4444 | XLoseFont (f->display.x->font); | |
dc6f92b8 | 4445 | |
f676886a | 4446 | f->display.x->font = temp; |
dc6f92b8 | 4447 | |
c118dd06 | 4448 | if (FRAME_X_WINDOW (f) != 0) |
bc20ebbf | 4449 | x_set_window_size (f, 0, f->width, f->height); |
dc6f92b8 JB |
4450 | |
4451 | return 0; | |
4452 | } | |
c118dd06 | 4453 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4454 | \f |
f676886a JB |
4455 | x_calc_absolute_position (f) |
4456 | struct frame *f; | |
dc6f92b8 JB |
4457 | { |
4458 | #ifdef HAVE_X11 | |
6dba1858 RS |
4459 | Window win, child; |
4460 | int win_x = 0, win_y = 0; | |
4461 | ||
4462 | /* Find the position of the outside upper-left corner of | |
4463 | the inner window, with respect to the outer window. */ | |
4464 | if (f->display.x->parent_desc != ROOT_WINDOW) | |
4465 | { | |
4466 | BLOCK_INPUT; | |
4467 | XTranslateCoordinates (x_current_display, | |
4468 | ||
4469 | /* From-window, to-window. */ | |
4470 | f->display.x->window_desc, | |
4471 | f->display.x->parent_desc, | |
4472 | ||
4473 | /* From-position, to-position. */ | |
4474 | 0, 0, &win_x, &win_y, | |
4475 | ||
4476 | /* Child of win. */ | |
4477 | &child); | |
4478 | UNBLOCK_INPUT; | |
4479 | } | |
4480 | ||
4481 | /* Treat negative positions as relative to the leftmost bottommost | |
4482 | position that fits on the screen. */ | |
f676886a | 4483 | if (f->display.x->left_pos < 0) |
31ea78fd | 4484 | f->display.x->left_pos = (x_screen_width |
69388238 | 4485 | - 2 * f->display.x->border_width - win_x |
31ea78fd JB |
4486 | - PIXEL_WIDTH (f) |
4487 | + f->display.x->left_pos); | |
dc6f92b8 | 4488 | |
f676886a | 4489 | if (f->display.x->top_pos < 0) |
31ea78fd | 4490 | f->display.x->top_pos = (x_screen_height |
69388238 | 4491 | - 2 * f->display.x->border_width - win_y |
31ea78fd JB |
4492 | - PIXEL_HEIGHT (f) |
4493 | + f->display.x->top_pos); | |
6dba1858 | 4494 | |
c118dd06 | 4495 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4496 | WINDOWINFO_TYPE parentinfo; |
4497 | ||
c118dd06 | 4498 | XGetWindowInfo (FRAME_X_WINDOW (f), &parentinfo); |
dc6f92b8 | 4499 | |
f676886a JB |
4500 | if (f->display.x->left_pos < 0) |
4501 | f->display.x->left_pos = parentinfo.width + (f->display.x->left_pos + 1) | |
4502 | - PIXEL_WIDTH (f) - 2 * f->display.x->internal_border_width; | |
dc6f92b8 | 4503 | |
f676886a JB |
4504 | if (f->display.x->top_pos < 0) |
4505 | f->display.x->top_pos = parentinfo.height + (f->display.x->top_pos + 1) | |
4506 | - PIXEL_HEIGHT (f) - 2 * f->display.x->internal_border_width; | |
c118dd06 | 4507 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4508 | } |
4509 | ||
f676886a JB |
4510 | x_set_offset (f, xoff, yoff) |
4511 | struct frame *f; | |
dc6f92b8 JB |
4512 | register int xoff, yoff; |
4513 | { | |
f676886a JB |
4514 | f->display.x->top_pos = yoff; |
4515 | f->display.x->left_pos = xoff; | |
4516 | x_calc_absolute_position (f); | |
dc6f92b8 JB |
4517 | |
4518 | BLOCK_INPUT; | |
3afe33e7 RS |
4519 | #ifdef USE_X_TOOLKIT |
4520 | XMoveWindow (XDISPLAY XtWindow (f->display.x->widget), | |
4521 | f->display.x->left_pos, f->display.x->top_pos); | |
4522 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4523 | XMoveWindow (XDISPLAY FRAME_X_WINDOW (f), |
f676886a | 4524 | f->display.x->left_pos, f->display.x->top_pos); |
3afe33e7 | 4525 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 4526 | #ifdef HAVE_X11 |
bc20ebbf | 4527 | x_wm_set_size_hint (f, 0, 1, xoff, yoff); |
c118dd06 | 4528 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4529 | UNBLOCK_INPUT; |
4530 | } | |
4531 | ||
bc20ebbf FP |
4532 | /* Call this to change the size of frame F's x-window. |
4533 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
4534 | for this size change and subsequent size changes. | |
4535 | Otherwise we leave the window gravity unchanged. */ | |
dc6f92b8 | 4536 | |
bc20ebbf | 4537 | x_set_window_size (f, change_gravity, cols, rows) |
f676886a | 4538 | struct frame *f; |
bc20ebbf | 4539 | int change_gravity; |
b1c884c3 | 4540 | int cols, rows; |
dc6f92b8 JB |
4541 | { |
4542 | int pixelwidth, pixelheight; | |
4543 | int mask; | |
dc6f92b8 | 4544 | |
80fd1fe2 FP |
4545 | #ifdef USE_X_TOOLKIT |
4546 | BLOCK_INPUT; | |
4547 | EmacsFrameSetCharSize (f->display.x->edit_widget, cols, rows); | |
4548 | UNBLOCK_INPUT; | |
4549 | ||
4550 | #else /* not USE_X_TOOLKIT */ | |
4551 | ||
dc6f92b8 JB |
4552 | BLOCK_INPUT; |
4553 | ||
b1c884c3 | 4554 | check_frame_size (f, &rows, &cols); |
6dba1858 RS |
4555 | f->display.x->vertical_scroll_bar_extra |
4556 | = (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
4557 | ? VERTICAL_SCROLL_BAR_PIXEL_WIDTH (f) | |
4558 | : 0); | |
f451eb13 JB |
4559 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
4560 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
dc6f92b8 JB |
4561 | |
4562 | #ifdef HAVE_X11 | |
bc20ebbf | 4563 | x_wm_set_size_hint (f, 0, change_gravity, 0, 0); |
c118dd06 JB |
4564 | #endif /* ! defined (HAVE_X11) */ |
4565 | XChangeWindowSize (FRAME_X_WINDOW (f), pixelwidth, pixelheight); | |
b1c884c3 JB |
4566 | |
4567 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
4568 | but the window manager will get around to dealing with the size | |
4569 | change request eventually, and we'll hear how it went when the | |
dbc4e1c1 JB |
4570 | ConfigureNotify event gets here. |
4571 | ||
4572 | We could just not bother storing any of this information here, | |
4573 | and let the ConfigureNotify event set everything up, but that | |
4574 | might be kind of confusing to the lisp code, since size changes | |
4575 | wouldn't be reported in the frame parameters until some random | |
4576 | point in the future when the ConfigureNotify event arrives. */ | |
8922af5f | 4577 | change_frame_size (f, rows, cols, 0, 0); |
b1c884c3 JB |
4578 | PIXEL_WIDTH (f) = pixelwidth; |
4579 | PIXEL_HEIGHT (f) = pixelheight; | |
4580 | ||
dbc4e1c1 JB |
4581 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
4582 | receive in the ConfigureNotify event; if we get what we asked | |
4583 | for, then the event won't cause the screen to become garbaged, so | |
4584 | we have to make sure to do it here. */ | |
4585 | SET_FRAME_GARBAGED (f); | |
4586 | ||
dc6f92b8 JB |
4587 | XFlushQueue (); |
4588 | UNBLOCK_INPUT; | |
80fd1fe2 | 4589 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4590 | } |
4591 | ||
4592 | #ifndef HAVE_X11 | |
f676886a JB |
4593 | x_set_resize_hint (f) |
4594 | struct frame *f; | |
dc6f92b8 | 4595 | { |
12ba150f JB |
4596 | XSetResizeHint (FRAME_X_WINDOW (f), |
4597 | 2 * f->display.x->internal_border_width, | |
f676886a | 4598 | 2 * f->display.x->internal_border_width, |
12ba150f JB |
4599 | FONT_WIDTH (f->display.x->font), |
4600 | FONT_HEIGHT (f->display.x->font)); | |
dc6f92b8 | 4601 | } |
c118dd06 | 4602 | #endif /* HAVE_X11 */ |
dc6f92b8 | 4603 | \f |
f451eb13 | 4604 | /* Mouse warping, focus shifting, raising and lowering. */ |
dc6f92b8 | 4605 | |
f676886a JB |
4606 | x_set_mouse_position (f, x, y) |
4607 | struct frame *f; | |
dc6f92b8 JB |
4608 | int x, y; |
4609 | { | |
4610 | int pix_x, pix_y; | |
4611 | ||
4466efa5 | 4612 | #if 0 /* Let the user ask for this if he wants it. */ |
f676886a | 4613 | x_raise_frame (f); |
4466efa5 | 4614 | #endif |
dc6f92b8 | 4615 | |
12ba150f JB |
4616 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->display.x->font) / 2; |
4617 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + FONT_HEIGHT (f->display.x->font) / 2; | |
f451eb13 JB |
4618 | |
4619 | if (pix_x < 0) pix_x = 0; | |
4620 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
4621 | ||
4622 | if (pix_y < 0) pix_y = 0; | |
4623 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
dc6f92b8 JB |
4624 | |
4625 | BLOCK_INPUT; | |
dc6f92b8 | 4626 | |
c118dd06 | 4627 | XWarpMousePointer (FRAME_X_WINDOW (f), pix_x, pix_y); |
dc6f92b8 JB |
4628 | UNBLOCK_INPUT; |
4629 | } | |
4630 | ||
4631 | #ifdef HAVE_X11 | |
f676886a JB |
4632 | x_focus_on_frame (f) |
4633 | struct frame *f; | |
dc6f92b8 | 4634 | { |
1fb20991 | 4635 | #if 0 /* This proves to be unpleasant. */ |
f676886a | 4636 | x_raise_frame (f); |
1fb20991 | 4637 | #endif |
6d4238f3 JB |
4638 | #if 0 |
4639 | /* I don't think that the ICCCM allows programs to do things like this | |
4640 | without the interaction of the window manager. Whatever you end up | |
f676886a | 4641 | doing with this code, do it to x_unfocus_frame too. */ |
c118dd06 | 4642 | XSetInputFocus (x_current_display, FRAME_X_WINDOW (f), |
dc6f92b8 | 4643 | RevertToPointerRoot, CurrentTime); |
c118dd06 | 4644 | #endif /* ! 0 */ |
dc6f92b8 JB |
4645 | } |
4646 | ||
f676886a JB |
4647 | x_unfocus_frame (f) |
4648 | struct frame *f; | |
dc6f92b8 | 4649 | { |
6d4238f3 | 4650 | #if 0 |
f676886a JB |
4651 | /* Look at the remarks in x_focus_on_frame. */ |
4652 | if (x_focus_frame == f) | |
dc6f92b8 JB |
4653 | XSetInputFocus (x_current_display, PointerRoot, |
4654 | RevertToPointerRoot, CurrentTime); | |
c118dd06 | 4655 | #endif /* ! 0 */ |
dc6f92b8 JB |
4656 | } |
4657 | ||
c118dd06 | 4658 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4659 | |
f676886a | 4660 | /* Raise frame F. */ |
dc6f92b8 | 4661 | |
f676886a JB |
4662 | x_raise_frame (f) |
4663 | struct frame *f; | |
dc6f92b8 | 4664 | { |
3a88c238 | 4665 | if (f->async_visible) |
dc6f92b8 JB |
4666 | { |
4667 | BLOCK_INPUT; | |
3afe33e7 RS |
4668 | #ifdef USE_X_TOOLKIT |
4669 | XRaiseWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
4670 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4671 | XRaiseWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 4672 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4673 | XFlushQueue (); |
4674 | UNBLOCK_INPUT; | |
4675 | } | |
4676 | } | |
4677 | ||
f676886a | 4678 | /* Lower frame F. */ |
dc6f92b8 | 4679 | |
f676886a JB |
4680 | x_lower_frame (f) |
4681 | struct frame *f; | |
dc6f92b8 | 4682 | { |
3a88c238 | 4683 | if (f->async_visible) |
dc6f92b8 JB |
4684 | { |
4685 | BLOCK_INPUT; | |
3afe33e7 RS |
4686 | #ifdef USE_X_TOOLKIT |
4687 | XLowerWindow (XDISPLAY XtWindow (f->display.x->widget)); | |
4688 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4689 | XLowerWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 4690 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4691 | XFlushQueue (); |
4692 | UNBLOCK_INPUT; | |
4693 | } | |
4694 | } | |
4695 | ||
dbc4e1c1 JB |
4696 | static void |
4697 | XTframe_raise_lower (f, raise) | |
4698 | FRAME_PTR f; | |
4699 | int raise; | |
4700 | { | |
4701 | if (raise) | |
4702 | x_raise_frame (f); | |
4703 | else | |
4704 | x_lower_frame (f); | |
4705 | } | |
4706 | ||
4707 | ||
dc6f92b8 JB |
4708 | /* Change from withdrawn state to mapped state. */ |
4709 | ||
f676886a JB |
4710 | x_make_frame_visible (f) |
4711 | struct frame *f; | |
dc6f92b8 JB |
4712 | { |
4713 | int mask; | |
4714 | ||
dc6f92b8 | 4715 | BLOCK_INPUT; |
dc6f92b8 | 4716 | |
f676886a | 4717 | if (! FRAME_VISIBLE_P (f)) |
90e65f07 JB |
4718 | { |
4719 | #ifdef HAVE_X11 | |
4720 | if (! EQ (Vx_no_window_manager, Qt)) | |
f676886a | 4721 | x_wm_set_window_state (f, NormalState); |
3afe33e7 RS |
4722 | #ifdef USE_X_TOOLKIT |
4723 | XtPopup (f->display.x->widget, XtGrabNone); | |
4724 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4725 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); |
3afe33e7 | 4726 | #endif /* not USE_X_TOOLKIT */ |
ab648270 | 4727 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
c118dd06 JB |
4728 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); |
4729 | #else /* ! defined (HAVE_X11) */ | |
4730 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
f676886a JB |
4731 | if (f->display.x->icon_desc != 0) |
4732 | XUnmapWindow (f->display.x->icon_desc); | |
dc6f92b8 | 4733 | |
90e65f07 | 4734 | /* Handled by the MapNotify event for X11 */ |
3a88c238 JB |
4735 | f->async_visible = 1; |
4736 | f->async_iconified = 0; | |
dc6f92b8 | 4737 | |
f676886a | 4738 | /* NOTE: this may cause problems for the first frame. */ |
90e65f07 | 4739 | XTcursor_to (0, 0); |
c118dd06 | 4740 | #endif /* ! defined (HAVE_X11) */ |
90e65f07 | 4741 | } |
dc6f92b8 | 4742 | |
dc6f92b8 | 4743 | XFlushQueue (); |
90e65f07 | 4744 | |
dc6f92b8 JB |
4745 | UNBLOCK_INPUT; |
4746 | } | |
4747 | ||
4748 | /* Change from mapped state to withdrawn state. */ | |
4749 | ||
f676886a JB |
4750 | x_make_frame_invisible (f) |
4751 | struct frame *f; | |
dc6f92b8 JB |
4752 | { |
4753 | int mask; | |
4754 | ||
9319ae23 RS |
4755 | /* Don't keep the highlight on an invisible frame. */ |
4756 | if (x_highlight_frame == f) | |
4757 | x_highlight_frame = 0; | |
4758 | ||
4759 | if (! f->async_visible && ! f->async_iconified) | |
dc6f92b8 JB |
4760 | return; |
4761 | ||
4762 | BLOCK_INPUT; | |
c118dd06 JB |
4763 | |
4764 | #ifdef HAVE_X11R4 | |
4765 | ||
bc20ebbf FP |
4766 | #ifdef USE_X_TOOLKIT |
4767 | if (! XWithdrawWindow (x_current_display, XtWindow (f->display.x->widget), | |
4768 | DefaultScreen (x_current_display))) | |
4769 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 JB |
4770 | if (! XWithdrawWindow (x_current_display, FRAME_X_WINDOW (f), |
4771 | DefaultScreen (x_current_display))) | |
bc20ebbf | 4772 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 JB |
4773 | { |
4774 | UNBLOCK_INPUT_RESIGNAL; | |
eb8c3be9 | 4775 | error ("can't notify window manager of window withdrawal"); |
c118dd06 JB |
4776 | } |
4777 | ||
4778 | #else /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 | 4779 | #ifdef HAVE_X11 |
16bd92ea | 4780 | |
c118dd06 | 4781 | /* Tell the window manager what we're going to do. */ |
dc6f92b8 JB |
4782 | if (! EQ (Vx_no_window_manager, Qt)) |
4783 | { | |
16bd92ea | 4784 | XEvent unmap; |
dc6f92b8 | 4785 | |
16bd92ea | 4786 | unmap.xunmap.type = UnmapNotify; |
bc20ebbf FP |
4787 | #ifdef USE_X_TOOLKIT |
4788 | unmap.xunmap.window = XtWindow (f->display.x->widget); | |
4789 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4790 | unmap.xunmap.window = FRAME_X_WINDOW (f); |
bc20ebbf | 4791 | #endif /* not USE_X_TOOLKIT */ |
16bd92ea JB |
4792 | unmap.xunmap.event = DefaultRootWindow (x_current_display); |
4793 | unmap.xunmap.from_configure = False; | |
4794 | if (! XSendEvent (x_current_display, | |
4795 | DefaultRootWindow (x_current_display), | |
4796 | False, | |
4797 | SubstructureRedirectMask|SubstructureNotifyMask, | |
4798 | &unmap)) | |
4799 | { | |
4800 | UNBLOCK_INPUT_RESIGNAL; | |
4801 | error ("can't notify window manager of withdrawal"); | |
4802 | } | |
dc6f92b8 JB |
4803 | } |
4804 | ||
16bd92ea | 4805 | /* Unmap the window ourselves. Cheeky! */ |
bc20ebbf FP |
4806 | #ifdef USE_X_TOOLKIT |
4807 | XUnmapWindow (x_current_display, XtWindow (f->display.x->widget)); | |
4808 | #else /* not USE_X_TOOLKIT */ | |
c118dd06 | 4809 | XUnmapWindow (x_current_display, FRAME_X_WINDOW (f)); |
bc20ebbf | 4810 | #endif /* not USE_X_TOOLKIT */ |
c118dd06 | 4811 | #else /* ! defined (HAVE_X11) */ |
dc6f92b8 | 4812 | |
c118dd06 | 4813 | XUnmapWindow (FRAME_X_WINDOW (f)); |
3a88c238 | 4814 | f->async_visible = 0; /* Handled by the UnMap event for X11 */ |
f676886a | 4815 | if (f->display.x->icon_desc != 0) |
c118dd06 JB |
4816 | XUnmapWindow (f->display.x->icon_desc); |
4817 | ||
4818 | #endif /* ! defined (HAVE_X11) */ | |
4819 | #endif /* ! defined (HAVE_X11R4) */ | |
dc6f92b8 JB |
4820 | |
4821 | XFlushQueue (); | |
4822 | UNBLOCK_INPUT; | |
4823 | } | |
4824 | ||
dc6f92b8 JB |
4825 | /* Change window state from mapped to iconified. */ |
4826 | ||
f676886a JB |
4827 | x_iconify_frame (f) |
4828 | struct frame *f; | |
dc6f92b8 JB |
4829 | { |
4830 | int mask; | |
3afe33e7 | 4831 | int result; |
dc6f92b8 | 4832 | |
9319ae23 RS |
4833 | /* Don't keep the highlight on an invisible frame. */ |
4834 | if (x_highlight_frame == f) | |
4835 | x_highlight_frame = 0; | |
4836 | ||
3a88c238 | 4837 | if (f->async_iconified) |
dc6f92b8 JB |
4838 | return; |
4839 | ||
3afe33e7 RS |
4840 | #ifdef USE_X_TOOLKIT |
4841 | BLOCK_INPUT; | |
4842 | result = XIconifyWindow (x_current_display, | |
bc20ebbf | 4843 | XtWindow (f->display.x->widget), |
3afe33e7 RS |
4844 | DefaultScreen (x_current_display)); |
4845 | UNBLOCK_INPUT; | |
4846 | ||
4847 | if (!result) | |
4848 | error ("Can't notify window manager of iconification."); | |
4849 | ||
4850 | f->async_iconified = 1; | |
8c002a25 KH |
4851 | |
4852 | BLOCK_INPUT; | |
4853 | XFlushQueue (); | |
4854 | UNBLOCK_INPUT; | |
3afe33e7 RS |
4855 | #else /* not USE_X_TOOLKIT */ |
4856 | ||
dc6f92b8 JB |
4857 | BLOCK_INPUT; |
4858 | ||
4859 | #ifdef HAVE_X11 | |
16bd92ea JB |
4860 | /* Since we don't know which revision of X we're running, we'll use both |
4861 | the X11R3 and X11R4 techniques. I don't know if this is a good idea. */ | |
4862 | ||
4863 | /* X11R4: send a ClientMessage to the window manager using the | |
4864 | WM_CHANGE_STATE type. */ | |
4865 | { | |
4866 | XEvent message; | |
4867 | ||
c118dd06 | 4868 | message.xclient.window = FRAME_X_WINDOW (f); |
16bd92ea JB |
4869 | message.xclient.type = ClientMessage; |
4870 | message.xclient.message_type = Xatom_wm_change_state; | |
4871 | message.xclient.format = 32; | |
4872 | message.xclient.data.l[0] = IconicState; | |
4873 | ||
4874 | if (! XSendEvent (x_current_display, | |
4875 | DefaultRootWindow (x_current_display), | |
4876 | False, | |
4877 | SubstructureRedirectMask | SubstructureNotifyMask, | |
4878 | &message)) | |
dc6f92b8 JB |
4879 | { |
4880 | UNBLOCK_INPUT_RESIGNAL; | |
4881 | error ("Can't notify window manager of iconification."); | |
4882 | } | |
16bd92ea | 4883 | } |
dc6f92b8 | 4884 | |
16bd92ea JB |
4885 | /* X11R3: set the initial_state field of the window manager hints to |
4886 | IconicState. */ | |
4887 | x_wm_set_window_state (f, IconicState); | |
dc6f92b8 | 4888 | |
a9c00105 RS |
4889 | if (!FRAME_VISIBLE_P (f)) |
4890 | { | |
4891 | /* If the frame was withdrawn, before, we must map it. */ | |
4892 | XMapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
4893 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
4894 | XMapSubwindows (x_current_display, FRAME_X_WINDOW (f)); | |
4895 | } | |
4896 | ||
3a88c238 | 4897 | f->async_iconified = 1; |
c118dd06 JB |
4898 | #else /* ! defined (HAVE_X11) */ |
4899 | XUnmapWindow (XDISPLAY FRAME_X_WINDOW (f)); | |
dc6f92b8 | 4900 | |
3a88c238 | 4901 | f->async_visible = 0; /* Handled in the UnMap event for X11. */ |
f676886a | 4902 | if (f->display.x->icon_desc != 0) |
dc6f92b8 | 4903 | { |
f676886a JB |
4904 | XMapWindow (XDISPLAY f->display.x->icon_desc); |
4905 | refreshicon (f); | |
dc6f92b8 | 4906 | } |
c118dd06 | 4907 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 JB |
4908 | |
4909 | XFlushQueue (); | |
4910 | UNBLOCK_INPUT; | |
8c002a25 | 4911 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 JB |
4912 | } |
4913 | ||
c0ff3fab | 4914 | /* Destroy the X window of frame F. */ |
dc6f92b8 | 4915 | |
c0ff3fab | 4916 | x_destroy_window (f) |
f676886a | 4917 | struct frame *f; |
dc6f92b8 | 4918 | { |
dc6f92b8 | 4919 | BLOCK_INPUT; |
c0ff3fab JB |
4920 | |
4921 | if (f->display.x->icon_desc != 0) | |
4922 | XDestroyWindow (XDISPLAY f->display.x->icon_desc); | |
4923 | XDestroyWindow (XDISPLAY f->display.x->window_desc); | |
3afe33e7 RS |
4924 | #ifdef USE_X_TOOLKIT |
4925 | XtDestroyWidget (f->display.x->widget); | |
4926 | #endif /* USE_X_TOOLKIT */ | |
4927 | ||
07e34cb0 | 4928 | free_frame_faces (f); |
dc6f92b8 | 4929 | XFlushQueue (); |
dc6f92b8 | 4930 | |
9ac0d9e0 | 4931 | xfree (f->display.x); |
c0ff3fab | 4932 | f->display.x = 0; |
f676886a JB |
4933 | if (f == x_focus_frame) |
4934 | x_focus_frame = 0; | |
4935 | if (f == x_highlight_frame) | |
4936 | x_highlight_frame = 0; | |
c0ff3fab JB |
4937 | |
4938 | UNBLOCK_INPUT; | |
dc6f92b8 JB |
4939 | } |
4940 | \f | |
f451eb13 JB |
4941 | /* Manage event queues for X10. */ |
4942 | ||
dc6f92b8 JB |
4943 | #ifndef HAVE_X11 |
4944 | ||
4945 | /* Manage event queues. | |
4946 | ||
4947 | This code is only used by the X10 support. | |
4948 | ||
4949 | We cannot leave events in the X queue and get them when we are ready | |
4950 | because X does not provide a subroutine to get only a certain kind | |
4951 | of event but not block if there are no queued events of that kind. | |
4952 | ||
4953 | Therefore, we must examine events as they come in and copy events | |
4954 | of certain kinds into our private queues. | |
4955 | ||
4956 | All ExposeRegion events are put in x_expose_queue. | |
69388238 | 4957 | All ButtonPress and ButtonRelease events are put in x_mouse_queue. */ |
dc6f92b8 JB |
4958 | |
4959 | ||
4960 | /* Write the event *P_XREP into the event queue *QUEUE. | |
4961 | If the queue is full, do nothing, but return nonzero. */ | |
4962 | ||
4963 | int | |
4964 | enqueue_event (p_xrep, queue) | |
4965 | register XEvent *p_xrep; | |
4966 | register struct event_queue *queue; | |
4967 | { | |
4968 | int newindex = queue->windex + 1; | |
4969 | if (newindex == EVENT_BUFFER_SIZE) | |
4970 | newindex = 0; | |
4971 | if (newindex == queue->rindex) | |
4972 | return -1; | |
4973 | queue->xrep[queue->windex] = *p_xrep; | |
4974 | queue->windex = newindex; | |
4975 | return 0; | |
4976 | } | |
4977 | ||
4978 | /* Fetch the next event from queue *QUEUE and store it in *P_XREP. | |
4979 | If *QUEUE is empty, do nothing and return 0. */ | |
4980 | ||
4981 | int | |
4982 | dequeue_event (p_xrep, queue) | |
4983 | register XEvent *p_xrep; | |
4984 | register struct event_queue *queue; | |
4985 | { | |
4986 | if (queue->windex == queue->rindex) | |
4987 | return 0; | |
4988 | *p_xrep = queue->xrep[queue->rindex++]; | |
4989 | if (queue->rindex == EVENT_BUFFER_SIZE) | |
4990 | queue->rindex = 0; | |
4991 | return 1; | |
4992 | } | |
4993 | ||
4994 | /* Return the number of events buffered in *QUEUE. */ | |
4995 | ||
4996 | int | |
4997 | queue_event_count (queue) | |
4998 | register struct event_queue *queue; | |
4999 | { | |
5000 | int tem = queue->windex - queue->rindex; | |
5001 | if (tem >= 0) | |
5002 | return tem; | |
5003 | return EVENT_BUFFER_SIZE + tem; | |
5004 | } | |
5005 | ||
5006 | /* Return nonzero if mouse input is pending. */ | |
5007 | ||
5008 | int | |
5009 | mouse_event_pending_p () | |
5010 | { | |
5011 | return queue_event_count (&x_mouse_queue); | |
5012 | } | |
c118dd06 | 5013 | #endif /* HAVE_X11 */ |
dc6f92b8 | 5014 | \f |
f451eb13 JB |
5015 | /* Setting window manager hints. */ |
5016 | ||
dc6f92b8 JB |
5017 | #ifdef HAVE_X11 |
5018 | ||
bc20ebbf FP |
5019 | /* Record the gravity used previously, in case CHANGE_GRAVITY is 0. */ |
5020 | static int previous_gravity; | |
5021 | ||
6dba1858 | 5022 | /* SPEC_X and SPEC_Y are the specified positions. |
bc20ebbf FP |
5023 | We look only at their sign, to decide the gravity. |
5024 | If CHANGE_GRAVITY is 0, we ignore SPEC_X and SPEC_Y | |
5025 | and leave the gravity unchanged. */ | |
6dba1858 | 5026 | |
bc20ebbf | 5027 | x_wm_set_size_hint (f, prompting, change_gravity, spec_x, spec_y) |
f676886a | 5028 | struct frame *f; |
dc6f92b8 | 5029 | long prompting; |
bc20ebbf | 5030 | int change_gravity; |
6dba1858 | 5031 | int spec_x, spec_y; |
dc6f92b8 JB |
5032 | { |
5033 | XSizeHints size_hints; | |
3afe33e7 RS |
5034 | |
5035 | #ifdef USE_X_TOOLKIT | |
bc20ebbf | 5036 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5037 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5038 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5039 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5040 | |
f7f79491 | 5041 | size_hints.flags = PResizeInc | PMinSize /* | PMaxSize */; |
dc6f92b8 | 5042 | |
f676886a JB |
5043 | flexlines = f->height; |
5044 | ||
5045 | size_hints.x = f->display.x->left_pos; | |
5046 | size_hints.y = f->display.x->top_pos; | |
5047 | size_hints.height = PIXEL_HEIGHT (f); | |
5048 | size_hints.width = PIXEL_WIDTH (f); | |
5049 | size_hints.width_inc = FONT_WIDTH (f->display.x->font); | |
5050 | size_hints.height_inc = FONT_HEIGHT (f->display.x->font); | |
f7f79491 | 5051 | #if 0 |
12ba150f JB |
5052 | size_hints.max_width = x_screen_width - CHAR_TO_PIXEL_WIDTH (f, 0); |
5053 | size_hints.max_height = x_screen_height - CHAR_TO_PIXEL_HEIGHT (f, 0); | |
f7f79491 | 5054 | #endif |
b1c884c3 | 5055 | { |
b0342f17 JB |
5056 | int base_width, base_height; |
5057 | ||
f451eb13 JB |
5058 | base_width = CHAR_TO_PIXEL_WIDTH (f, 0); |
5059 | base_height = CHAR_TO_PIXEL_HEIGHT (f, 0); | |
b0342f17 JB |
5060 | |
5061 | { | |
5062 | int min_rows = 0, min_cols = 0; | |
5063 | check_frame_size (f, &min_rows, &min_cols); | |
5064 | ||
5065 | /* The window manager uses the base width hints to calculate the | |
5066 | current number of rows and columns in the frame while | |
5067 | resizing; min_width and min_height aren't useful for this | |
5068 | purpose, since they might not give the dimensions for a | |
5069 | zero-row, zero-column frame. | |
5070 | ||
5071 | We use the base_width and base_height members if we have | |
5072 | them; otherwise, we set the min_width and min_height members | |
5073 | to the size for a zero x zero frame. */ | |
5074 | ||
5075 | #ifdef HAVE_X11R4 | |
5076 | size_hints.flags |= PBaseSize; | |
5077 | size_hints.base_width = base_width; | |
5078 | size_hints.base_height = base_height; | |
5079 | size_hints.min_width = base_width + min_cols * size_hints.width_inc; | |
5080 | size_hints.min_height = base_height + min_rows * size_hints.height_inc; | |
5081 | #else | |
5082 | size_hints.min_width = base_width; | |
5083 | size_hints.min_height = base_height; | |
5084 | #endif | |
5085 | } | |
b1c884c3 | 5086 | |
b1c884c3 | 5087 | } |
dc6f92b8 JB |
5088 | |
5089 | if (prompting) | |
5090 | size_hints.flags |= prompting; | |
5091 | else | |
5092 | { | |
5093 | XSizeHints hints; /* Sometimes I hate X Windows... */ | |
5094 | ||
82ee0df4 RS |
5095 | if (XGetNormalHints (x_current_display, window, &hints) == 0) |
5096 | hints.flags = 0; | |
dc6f92b8 JB |
5097 | if (hints.flags & PSize) |
5098 | size_hints.flags |= PSize; | |
5099 | if (hints.flags & PPosition) | |
5100 | size_hints.flags |= PPosition; | |
5101 | if (hints.flags & USPosition) | |
5102 | size_hints.flags |= USPosition; | |
5103 | if (hints.flags & USSize) | |
5104 | size_hints.flags |= USSize; | |
5105 | } | |
2554751d | 5106 | #if defined (PWinGravity) |
bc20ebbf | 5107 | if (change_gravity) |
6dba1858 | 5108 | { |
bc20ebbf FP |
5109 | switch (((spec_x < 0) << 1) + (spec_y < 0)) |
5110 | { | |
5111 | case 0: | |
5112 | size_hints.win_gravity = NorthWestGravity; | |
5113 | break; | |
5114 | case 1: | |
5115 | size_hints.win_gravity = NorthEastGravity; | |
5116 | break; | |
5117 | case 2: | |
5118 | size_hints.win_gravity = SouthWestGravity; | |
5119 | break; | |
5120 | case 3: | |
5121 | size_hints.win_gravity = SouthEastGravity; | |
5122 | break; | |
5123 | } | |
5124 | previous_gravity = size_hints.win_gravity; | |
6dba1858 | 5125 | } |
bc20ebbf FP |
5126 | else |
5127 | size_hints.win_gravity = previous_gravity; | |
5128 | ||
6dba1858 | 5129 | size_hints.flags |= PWinGravity; |
2554751d | 5130 | #endif /* PWinGravity */ |
6dba1858 | 5131 | |
b0342f17 JB |
5132 | #ifdef HAVE_X11R4 |
5133 | XSetWMNormalHints (x_current_display, window, &size_hints); | |
5134 | #else | |
dc6f92b8 | 5135 | XSetNormalHints (x_current_display, window, &size_hints); |
b0342f17 | 5136 | #endif |
dc6f92b8 JB |
5137 | } |
5138 | ||
5139 | /* Used for IconicState or NormalState */ | |
f676886a JB |
5140 | x_wm_set_window_state (f, state) |
5141 | struct frame *f; | |
dc6f92b8 JB |
5142 | int state; |
5143 | { | |
3afe33e7 | 5144 | #ifdef USE_X_TOOLKIT |
bc20ebbf | 5145 | Window window = XtWindow (f->display.x->widget); |
3afe33e7 | 5146 | #else /* not USE_X_TOOLKIT */ |
c118dd06 | 5147 | Window window = FRAME_X_WINDOW (f); |
3afe33e7 | 5148 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5149 | |
16bd92ea JB |
5150 | f->display.x->wm_hints.flags |= StateHint; |
5151 | f->display.x->wm_hints.initial_state = state; | |
b1c884c3 | 5152 | |
16bd92ea | 5153 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5154 | } |
5155 | ||
f676886a JB |
5156 | x_wm_set_icon_pixmap (f, icon_pixmap) |
5157 | struct frame *f; | |
dc6f92b8 JB |
5158 | Pixmap icon_pixmap; |
5159 | { | |
c118dd06 | 5160 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5161 | |
dbc4e1c1 JB |
5162 | if (icon_pixmap) |
5163 | { | |
5164 | f->display.x->wm_hints.icon_pixmap = icon_pixmap; | |
5165 | f->display.x->wm_hints.flags |= IconPixmapHint; | |
5166 | } | |
5167 | else | |
5168 | f->display.x->wm_hints.flags &= ~IconPixmapHint; | |
b1c884c3 | 5169 | |
16bd92ea | 5170 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5171 | } |
5172 | ||
f676886a JB |
5173 | x_wm_set_icon_position (f, icon_x, icon_y) |
5174 | struct frame *f; | |
dc6f92b8 JB |
5175 | int icon_x, icon_y; |
5176 | { | |
c118dd06 | 5177 | Window window = FRAME_X_WINDOW (f); |
dc6f92b8 | 5178 | |
16bd92ea JB |
5179 | f->display.x->wm_hints.flags |= IconPositionHint; |
5180 | f->display.x->wm_hints.icon_x = icon_x; | |
5181 | f->display.x->wm_hints.icon_y = icon_y; | |
b1c884c3 | 5182 | |
16bd92ea | 5183 | XSetWMHints (x_current_display, window, &f->display.x->wm_hints); |
dc6f92b8 JB |
5184 | } |
5185 | ||
5186 | \f | |
f451eb13 JB |
5187 | /* Initialization. */ |
5188 | ||
3afe33e7 RS |
5189 | #ifdef USE_X_TOOLKIT |
5190 | static XrmOptionDescRec emacs_options[] = { | |
5191 | {"-geometry", ".geometry", XrmoptionSepArg, NULL}, | |
5192 | {"-iconic", ".iconic", XrmoptionNoArg, (XtPointer) "yes"}, | |
5193 | ||
5194 | {"-internal-border-width", "*EmacsScreen.internalBorderWidth", | |
5195 | XrmoptionSepArg, NULL}, | |
5196 | {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg, NULL}, | |
5197 | ||
5198 | {"-T", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5199 | {"-wn", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5200 | {"-title", "*EmacsShell.title", XrmoptionSepArg, (XtPointer) NULL}, | |
5201 | {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5202 | {"-in", "*EmacsShell.iconName", XrmoptionSepArg, (XtPointer) NULL}, | |
5203 | {"-mc", "*pointerColor", XrmoptionSepArg, (XtPointer) NULL}, | |
5204 | {"-cr", "*cursorColor", XrmoptionSepArg, (XtPointer) NULL} | |
5205 | }; | |
5206 | #endif /* USE_X_TOOLKIT */ | |
5207 | ||
dc6f92b8 JB |
5208 | void |
5209 | x_term_init (display_name) | |
5210 | char *display_name; | |
5211 | { | |
f676886a | 5212 | Lisp_Object frame; |
dc6f92b8 | 5213 | char *defaultvalue; |
3afe33e7 RS |
5214 | int argc = 0; |
5215 | char** argv = 0; | |
041b69ac | 5216 | #ifndef F_SETOWN_BUG |
dc6f92b8 JB |
5217 | #ifdef F_SETOWN |
5218 | extern int old_fcntl_owner; | |
c118dd06 | 5219 | #endif /* ! defined (F_SETOWN) */ |
041b69ac | 5220 | #endif /* F_SETOWN_BUG */ |
6d4238f3 | 5221 | |
f676886a | 5222 | x_focus_frame = x_highlight_frame = 0; |
dc6f92b8 | 5223 | |
3afe33e7 | 5224 | #ifdef USE_X_TOOLKIT |
5c94b90b | 5225 | argv = (char **) XtMalloc (3 * sizeof (char *)); |
3afe33e7 RS |
5226 | argv [0] = ""; |
5227 | argv [1] = "-display"; | |
5228 | argv [2] = display_name; | |
5229 | argc = 3; | |
5230 | Xt_app_shell = XtAppInitialize (&Xt_app_con, "Emacs", | |
bc20ebbf | 5231 | emacs_options, XtNumber (emacs_options), |
3afe33e7 RS |
5232 | &argc, argv, |
5233 | NULL, NULL, 0); | |
5234 | XtFree (argv); | |
5235 | x_current_display = XtDisplay (Xt_app_shell); | |
5236 | ||
5237 | #else /* not USE_X_TOOLKIT */ | |
dc6f92b8 | 5238 | x_current_display = XOpenDisplay (display_name); |
3afe33e7 | 5239 | #endif /* not USE_X_TOOLKIT */ |
dc6f92b8 | 5240 | if (x_current_display == 0) |
041b69ac JB |
5241 | fatal ("X server %s not responding.\n\ |
5242 | Check the DISPLAY environment variable or use \"-d\"\n", | |
dc6f92b8 JB |
5243 | display_name); |
5244 | ||
5245 | #ifdef HAVE_X11 | |
5246 | { | |
dc6f92b8 JB |
5247 | #if 0 |
5248 | XSetAfterFunction (x_current_display, x_trace_wire); | |
c118dd06 | 5249 | #endif /* ! 0 */ |
8c86eccd | 5250 | hostname = get_system_name (); |
59653951 | 5251 | x_id_name = (char *) xmalloc (XSTRING (Vinvocation_name)->size |
60fb3ee1 JB |
5252 | + strlen (hostname) |
5253 | + 2); | |
59653951 | 5254 | sprintf (x_id_name, "%s@%s", XSTRING (Vinvocation_name)->data, hostname); |
dc6f92b8 | 5255 | } |
28430d3c JB |
5256 | |
5257 | /* Figure out which modifier bits mean what. */ | |
5258 | x_find_modifier_meanings (); | |
f451eb13 | 5259 | |
ab648270 | 5260 | /* Get the scroll bar cursor. */ |
d56a553a RS |
5261 | x_vertical_scroll_bar_cursor |
5262 | = XCreateFontCursor (x_current_display, XC_sb_v_double_arrow); | |
f451eb13 | 5263 | |
d56a553a | 5264 | #if 0 |
28430d3c JB |
5265 | /* Watch for PropertyNotify events on the root window; we use them |
5266 | to figure out when to invalidate our cache of the cut buffers. */ | |
5267 | x_watch_cut_buffer_cache (); | |
d56a553a | 5268 | #endif |
28430d3c | 5269 | |
a4fc7360 | 5270 | if (ConnectionNumber (x_current_display) != 0) |
61c3ce62 RS |
5271 | change_keyboard_wait_descriptor (ConnectionNumber (x_current_display)); |
5272 | change_input_fd (ConnectionNumber (x_current_display)); | |
6d4238f3 | 5273 | |
c118dd06 | 5274 | #endif /* ! defined (HAVE_X11) */ |
dc6f92b8 | 5275 | |
041b69ac | 5276 | #ifndef F_SETOWN_BUG |
dc6f92b8 | 5277 | #ifdef F_SETOWN |
61c3ce62 | 5278 | old_fcntl_owner = fcntl (ConnectionNumber (x_current_display), F_GETOWN, 0); |
dc6f92b8 | 5279 | #ifdef F_SETOWN_SOCK_NEG |
61c3ce62 RS |
5280 | /* stdin is a socket here */ |
5281 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, -getpid ()); | |
c118dd06 | 5282 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ |
61c3ce62 | 5283 | fcntl (ConnectionNumber (x_current_display), F_SETOWN, getpid ()); |
c118dd06 JB |
5284 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ |
5285 | #endif /* ! defined (F_SETOWN) */ | |
041b69ac | 5286 | #endif /* F_SETOWN_BUG */ |
dc6f92b8 JB |
5287 | |
5288 | #ifdef SIGIO | |
5289 | init_sigio (); | |
c118dd06 | 5290 | #endif /* ! defined (SIGIO) */ |
dc6f92b8 | 5291 | |
dc6f92b8 JB |
5292 | expose_all_windows = 0; |
5293 | ||
f676886a | 5294 | clear_frame_hook = XTclear_frame; |
dc6f92b8 JB |
5295 | clear_end_of_line_hook = XTclear_end_of_line; |
5296 | ins_del_lines_hook = XTins_del_lines; | |
5297 | change_line_highlight_hook = XTchange_line_highlight; | |
5298 | insert_glyphs_hook = XTinsert_glyphs; | |
5299 | write_glyphs_hook = XTwrite_glyphs; | |
5300 | delete_glyphs_hook = XTdelete_glyphs; | |
5301 | ring_bell_hook = XTring_bell; | |
5302 | reset_terminal_modes_hook = XTreset_terminal_modes; | |
5303 | set_terminal_modes_hook = XTset_terminal_modes; | |
5304 | update_begin_hook = XTupdate_begin; | |
5305 | update_end_hook = XTupdate_end; | |
5306 | set_terminal_window_hook = XTset_terminal_window; | |
5307 | read_socket_hook = XTread_socket; | |
5308 | cursor_to_hook = XTcursor_to; | |
5309 | reassert_line_highlight_hook = XTreassert_line_highlight; | |
90e65f07 | 5310 | mouse_position_hook = XTmouse_position; |
f451eb13 | 5311 | frame_rehighlight_hook = XTframe_rehighlight; |
dbc4e1c1 | 5312 | frame_raise_lower_hook = XTframe_raise_lower; |
ab648270 JB |
5313 | set_vertical_scroll_bar_hook = XTset_vertical_scroll_bar; |
5314 | condemn_scroll_bars_hook = XTcondemn_scroll_bars; | |
5315 | redeem_scroll_bar_hook = XTredeem_scroll_bar; | |
5316 | judge_scroll_bars_hook = XTjudge_scroll_bars; | |
dc6f92b8 | 5317 | |
f676886a | 5318 | scroll_region_ok = 1; /* we'll scroll partial frames */ |
dc6f92b8 JB |
5319 | char_ins_del_ok = 0; /* just as fast to write the line */ |
5320 | line_ins_del_ok = 1; /* we'll just blt 'em */ | |
5321 | fast_clear_end_of_line = 1; /* X does this well */ | |
f676886a | 5322 | memory_below_frame = 0; /* we don't remember what scrolls |
dc6f92b8 JB |
5323 | off the bottom */ |
5324 | baud_rate = 19200; | |
5325 | ||
b30b24cb RS |
5326 | /* Try to use interrupt input; if we can't, then start polling. */ |
5327 | Fset_input_mode (Qt, Qnil, Qt, Qnil); | |
5328 | ||
c118dd06 JB |
5329 | /* Note that there is no real way portable across R3/R4 to get the |
5330 | original error handler. */ | |
5331 | XHandleError (x_error_quitter); | |
8922af5f | 5332 | XHandleIOError (x_io_error_quitter); |
dc6f92b8 JB |
5333 | |
5334 | /* Disable Window Change signals; they are handled by X events. */ | |
5335 | #ifdef SIGWINCH | |
5336 | signal (SIGWINCH, SIG_DFL); | |
c118dd06 | 5337 | #endif /* ! defined (SIGWINCH) */ |
dc6f92b8 | 5338 | |
c118dd06 | 5339 | signal (SIGPIPE, x_connection_closed); |
dc6f92b8 | 5340 | } |
55123275 JB |
5341 | |
5342 | void | |
5343 | syms_of_xterm () | |
5344 | { | |
ab648270 | 5345 | staticpro (&last_mouse_scroll_bar); |
e53cb100 | 5346 | last_mouse_scroll_bar = Qnil; |
55123275 | 5347 | } |
c118dd06 JB |
5348 | #endif /* ! defined (HAVE_X11) */ |
5349 | #endif /* ! defined (HAVE_X_WINDOWS) */ |