Commit | Line | Data |
---|---|---|
dc6f92b8 JB |
1 | /* Generic screen functions. |
2 | Copyright (C) 1989 Free Software Foundation. | |
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 | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
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 | ||
d5e7c279 JB |
20 | #include <stdio.h> |
21 | ||
dc6f92b8 JB |
22 | #include "config.h" |
23 | #include "lisp.h" | |
24 | #include "screen.h" | |
25 | #include "window.h" | |
d5e7c279 | 26 | #include "termhooks.h" |
dc6f92b8 JB |
27 | |
28 | Lisp_Object Vemacs_iconified; | |
29 | Lisp_Object Qscreenp; | |
f9898cc6 | 30 | Lisp_Object Qlive_screen_p; |
dc6f92b8 JB |
31 | Lisp_Object Vscreen_list; |
32 | Lisp_Object Vterminal_screen; | |
f9898cc6 | 33 | Lisp_Object Vdefault_minibuffer_screen; |
5bce042c | 34 | Lisp_Object Vdefault_screen_alist; |
dc6f92b8 | 35 | |
d5e7c279 JB |
36 | /* A screen which is not just a minibuffer, or 0 if there are no |
37 | such screens. This is usually the most recent such screen that | |
38 | was selected. */ | |
39 | struct screen *last_nonminibuf_screen; | |
40 | ||
dc6f92b8 JB |
41 | extern Lisp_Object Vminibuffer_list; |
42 | extern Lisp_Object get_minibuffer (); | |
43 | \f | |
44 | DEFUN ("screenp", Fscreenp, Sscreenp, 1, 1, 0, | |
45 | "Return non-nil if OBJECT is a screen.\n\ | |
46 | Value is t for a termcap screen (a character-only terminal),\n\ | |
f9898cc6 JB |
47 | `x' for an Emacs screen that is really an X window.\n\ |
48 | Also see live-screen-p.") | |
49 | (object) | |
50 | Lisp_Object object; | |
dc6f92b8 | 51 | { |
f9898cc6 | 52 | if (XTYPE (object) != Lisp_Screen) |
dc6f92b8 | 53 | return Qnil; |
f9898cc6 | 54 | switch (XSCREEN (object)->output_method) |
dc6f92b8 JB |
55 | { |
56 | case output_termcap: | |
57 | return Qt; | |
58 | case output_x_window: | |
59 | return intern ("x"); | |
60 | default: | |
61 | abort (); | |
62 | } | |
63 | } | |
64 | ||
f9898cc6 JB |
65 | DEFUN ("live-screen-p", Flive_screen_p, Slive_screen_p, 1, 1, 0, |
66 | "Return non-nil if OBJECT is a screen which has not been deleted.\n\ | |
67 | Value is nil if OBJECT is not a live screen. If object is a live\n\ | |
68 | screen, the return value indicates what sort of output device it is\n\ | |
69 | displayed on. Value is t for a termcap screen (a character-only\n\ | |
70 | terminal), `x' for an Emacs screen being displayed in an X window.") | |
71 | (object) | |
72 | Lisp_Object object; | |
73 | { | |
74 | return ((SCREENP (object) | |
75 | && SCREEN_LIVE_P (XSCREEN (object))) | |
76 | ? Fscreenp (object) | |
77 | : Qnil); | |
78 | } | |
79 | ||
dc6f92b8 JB |
80 | struct screen * |
81 | make_screen (mini_p) | |
82 | int mini_p; | |
83 | { | |
84 | Lisp_Object screen; | |
85 | register struct screen *s; | |
86 | register Lisp_Object root_window; | |
87 | register Lisp_Object mini_window; | |
88 | ||
d5e7c279 JB |
89 | screen = Fmake_vector (((sizeof (struct screen) - (sizeof (Lisp_Vector) |
90 | - sizeof (Lisp_Object))) | |
91 | / sizeof (Lisp_Object)), | |
dc6f92b8 JB |
92 | make_number (0)); |
93 | XSETTYPE (screen, Lisp_Screen); | |
94 | s = XSCREEN (screen); | |
95 | ||
96 | s->cursor_x = 0; | |
97 | s->cursor_y = 0; | |
98 | s->current_glyphs = 0; | |
99 | s->desired_glyphs = 0; | |
100 | s->visible = 0; | |
101 | s->display.nothing = 0; | |
102 | s->iconified = 0; | |
103 | s->wants_modeline = 1; | |
104 | s->auto_raise = 0; | |
105 | s->auto_lower = 0; | |
106 | s->no_split = 0; | |
107 | s->garbaged = 0; | |
108 | s->has_minibuffer = mini_p; | |
d5e7c279 | 109 | s->focus_screen = screen; |
dc6f92b8 JB |
110 | |
111 | s->param_alist = Qnil; | |
112 | ||
113 | root_window = make_window (0); | |
114 | if (mini_p) | |
115 | { | |
116 | mini_window = make_window (0); | |
117 | XWINDOW (root_window)->next = mini_window; | |
118 | XWINDOW (mini_window)->prev = root_window; | |
119 | XWINDOW (mini_window)->mini_p = Qt; | |
120 | XWINDOW (mini_window)->screen = screen; | |
121 | s->minibuffer_window = mini_window; | |
122 | } | |
123 | else | |
124 | { | |
125 | mini_window = Qnil; | |
126 | XWINDOW (root_window)->next = Qnil; | |
127 | s->minibuffer_window = Qnil; | |
128 | } | |
129 | ||
130 | XWINDOW (root_window)->screen = screen; | |
131 | ||
132 | /* 10 is arbitrary, | |
133 | just so that there is "something there." | |
134 | Correct size will be set up later with change_screen_size. */ | |
135 | ||
136 | s->width = 10; | |
137 | s->height = 10; | |
138 | ||
139 | XFASTINT (XWINDOW (root_window)->width) = 10; | |
140 | XFASTINT (XWINDOW (root_window)->height) = (mini_p ? 9 : 10); | |
141 | ||
142 | if (mini_p) | |
143 | { | |
144 | XFASTINT (XWINDOW (mini_window)->width) = 10; | |
145 | XFASTINT (XWINDOW (mini_window)->top) = 9; | |
146 | XFASTINT (XWINDOW (mini_window)->height) = 1; | |
147 | } | |
148 | ||
5bce042c JB |
149 | /* Choose a buffer for the screen's root window. */ |
150 | { | |
151 | Lisp_Object buf; | |
152 | ||
153 | XWINDOW (root_window)->buffer = Qt; | |
154 | buf = Fcurrent_buffer (); | |
155 | /* If buf is a 'hidden' buffer (i.e. one whose name starts with | |
156 | a space), try to find another one. */ | |
157 | if (XSTRING (Fbuffer_name (buf))->data[0] == ' ') | |
158 | buf = Fother_buffer (buf); | |
159 | Fset_window_buffer (root_window, buf); | |
160 | } | |
161 | ||
dc6f92b8 JB |
162 | if (mini_p) |
163 | { | |
164 | XWINDOW (mini_window)->buffer = Qt; | |
165 | Fset_window_buffer (mini_window, | |
265a9e55 | 166 | (NILP (Vminibuffer_list) |
dc6f92b8 JB |
167 | ? get_minibuffer (0) |
168 | : Fcar (Vminibuffer_list))); | |
169 | } | |
170 | ||
dc6f92b8 | 171 | s->root_window = root_window; |
d5e7c279 JB |
172 | s->selected_window = root_window; |
173 | /* Make sure this window seems more recently used than | |
174 | a newly-created, never-selected window. */ | |
175 | XFASTINT (XWINDOW (s->selected_window)->use_time) = ++window_select_count; | |
dc6f92b8 JB |
176 | |
177 | Vscreen_list = Fcons (screen, Vscreen_list); | |
178 | ||
179 | return s; | |
180 | } | |
181 | \f | |
182 | /* Make a screen using a separate minibuffer window on another screen. | |
183 | MINI_WINDOW is the minibuffer window to use. nil means use the | |
184 | default (the global minibuffer). */ | |
185 | ||
186 | struct screen * | |
187 | make_screen_without_minibuffer (mini_window) | |
188 | register Lisp_Object mini_window; | |
189 | { | |
190 | register struct screen *s; | |
191 | ||
192 | /* Choose the minibuffer window to use. */ | |
265a9e55 | 193 | if (NILP (mini_window)) |
dc6f92b8 | 194 | { |
f9898cc6 JB |
195 | if (XTYPE (Vdefault_minibuffer_screen) != Lisp_Screen) |
196 | error ("default-minibuffer-screen must be set when creating minibufferless screens."); | |
197 | mini_window = XSCREEN (Vdefault_minibuffer_screen)->minibuffer_window; | |
dc6f92b8 JB |
198 | } |
199 | else | |
200 | { | |
201 | CHECK_WINDOW (mini_window, 0); | |
202 | } | |
203 | ||
204 | /* Make a screen containing just a root window. */ | |
205 | s = make_screen (0); | |
206 | ||
207 | /* Install the chosen minibuffer window, with proper buffer. */ | |
208 | s->minibuffer_window = mini_window; | |
209 | Fset_window_buffer (mini_window, | |
265a9e55 | 210 | (NILP (Vminibuffer_list) |
dc6f92b8 JB |
211 | ? get_minibuffer (0) |
212 | : Fcar (Vminibuffer_list))); | |
213 | return s; | |
214 | } | |
215 | ||
216 | /* Make a screen containing only a minibuffer window. */ | |
217 | ||
218 | struct screen * | |
219 | make_minibuffer_screen () | |
220 | { | |
221 | /* First make a screen containing just a root window, no minibuffer. */ | |
222 | ||
223 | register struct screen *s = make_screen (0); | |
224 | register Lisp_Object mini_window; | |
225 | register Lisp_Object screen; | |
226 | ||
227 | XSET (screen, Lisp_Screen, s); | |
228 | ||
229 | /* ??? Perhaps leave it to the user program to set auto_raise. */ | |
230 | s->auto_raise = 1; | |
231 | s->auto_lower = 0; | |
232 | s->no_split = 1; | |
233 | s->wants_modeline = 0; | |
f9898cc6 | 234 | s->has_minibuffer = 1; |
dc6f92b8 JB |
235 | |
236 | /* Now label the root window as also being the minibuffer. | |
237 | Avoid infinite looping on the window chain by marking next pointer | |
238 | as nil. */ | |
239 | ||
240 | mini_window = s->minibuffer_window = s->root_window; | |
241 | XWINDOW (mini_window)->mini_p = Qt; | |
242 | XWINDOW (mini_window)->next = Qnil; | |
243 | XWINDOW (mini_window)->prev = mini_window; | |
244 | XWINDOW (mini_window)->screen = screen; | |
245 | ||
246 | /* Put the proper buffer in that window. */ | |
247 | ||
248 | Fset_window_buffer (mini_window, | |
265a9e55 | 249 | (NILP (Vminibuffer_list) |
dc6f92b8 JB |
250 | ? get_minibuffer (0) |
251 | : Fcar (Vminibuffer_list))); | |
252 | return s; | |
253 | } | |
254 | \f | |
255 | /* Construct a screen that refers to the terminal (stdin and stdout). */ | |
256 | ||
257 | struct screen * | |
258 | make_terminal_screen () | |
259 | { | |
260 | register struct screen *s; | |
261 | ||
262 | Vscreen_list = Qnil; | |
263 | s = make_screen (1); | |
264 | s->name = build_string ("terminal"); | |
265 | s->visible = 1; | |
266 | s->display.nothing = 1; /* Nonzero means screen isn't deleted. */ | |
267 | XSET (Vterminal_screen, Lisp_Screen, s); | |
268 | return s; | |
269 | } | |
270 | \f | |
271 | DEFUN ("select-screen", Fselect_screen, Sselect_screen, 1, 2, 0, | |
272 | "Select the screen S. S's selected window becomes \"the\"\n\ | |
d5e7c279 | 273 | selected window. If the optional parameter NO-ENTER is non-nil, don't\n\ |
dc6f92b8 JB |
274 | focus on that screen.") |
275 | (screen, no_enter) | |
276 | Lisp_Object screen, no_enter; | |
277 | { | |
f9898cc6 | 278 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
279 | |
280 | if (selected_screen == XSCREEN (screen)) | |
281 | return screen; | |
282 | ||
283 | selected_screen = XSCREEN (screen); | |
f9898cc6 | 284 | if (! SCREEN_MINIBUF_ONLY_P (selected_screen)) |
d5e7c279 JB |
285 | last_nonminibuf_screen = selected_screen; |
286 | ||
dc6f92b8 JB |
287 | Fselect_window (XSCREEN (screen)->selected_window); |
288 | ||
289 | #ifdef HAVE_X_WINDOWS | |
290 | #ifdef MULTI_SCREEN | |
291 | if (XSCREEN (screen)->output_method == output_x_window | |
265a9e55 | 292 | && NILP (no_enter)) |
dc6f92b8 JB |
293 | { |
294 | Ffocus_screen (screen); | |
295 | } | |
296 | #endif | |
297 | #endif | |
298 | choose_minibuf_screen (); | |
299 | ||
300 | return screen; | |
301 | } | |
302 | ||
303 | DEFUN ("selected-screen", Fselected_screen, Sselected_screen, 0, 0, 0, | |
304 | "Return the screen that is now selected.") | |
305 | () | |
306 | { | |
307 | Lisp_Object tem; | |
308 | XSET (tem, Lisp_Screen, selected_screen); | |
309 | return tem; | |
310 | } | |
311 | ||
312 | DEFUN ("window-screen", Fwindow_screen, Swindow_screen, 1, 1, 0, | |
313 | "Return the screen object that window WINDOW is on.") | |
314 | (window) | |
315 | Lisp_Object window; | |
316 | { | |
317 | CHECK_WINDOW (window, 0); | |
318 | return XWINDOW (window)->screen; | |
319 | } | |
320 | ||
321 | DEFUN ("screen-root-window", Fscreen_root_window, Sscreen_root_window, 0, 1, 0, | |
322 | "Returns the root-window of SCREEN.") | |
323 | (screen) | |
324 | Lisp_Object screen; | |
325 | { | |
265a9e55 | 326 | if (NILP (screen)) |
dc6f92b8 | 327 | XSET (screen, Lisp_Screen, selected_screen); |
f9898cc6 JB |
328 | else |
329 | CHECK_LIVE_SCREEN (screen, 0); | |
dc6f92b8 JB |
330 | |
331 | return XSCREEN (screen)->root_window; | |
332 | } | |
333 | ||
334 | DEFUN ("screen-selected-window", Fscreen_selected_window, | |
335 | Sscreen_selected_window, 0, 1, 0, | |
336 | "Return the selected window of screen object SCREEN.") | |
337 | (screen) | |
338 | Lisp_Object screen; | |
339 | { | |
265a9e55 | 340 | if (NILP (screen)) |
dc6f92b8 | 341 | XSET (screen, Lisp_Screen, selected_screen); |
f9898cc6 JB |
342 | else |
343 | CHECK_LIVE_SCREEN (screen, 0); | |
dc6f92b8 JB |
344 | |
345 | return XSCREEN (screen)->selected_window; | |
346 | } | |
347 | ||
348 | DEFUN ("screen-list", Fscreen_list, Sscreen_list, | |
349 | 0, 0, 0, | |
350 | "Return a list of all screens.") | |
351 | () | |
352 | { | |
353 | return Fcopy_sequence (Vscreen_list); | |
354 | } | |
355 | ||
356 | #ifdef MULTI_SCREEN | |
f9898cc6 JB |
357 | |
358 | /* Return the next screen in the screen list after SCREEN. | |
359 | If MINIBUF is non-nil, include all screens. | |
360 | If MINIBUF is nil, exclude minibuffer-only screens. | |
361 | If MINIBUF is a window, include only screens using that window for | |
362 | their minibuffer. */ | |
dc6f92b8 | 363 | Lisp_Object |
f9898cc6 | 364 | next_screen (screen, minibuf) |
dc6f92b8 | 365 | Lisp_Object screen; |
f9898cc6 | 366 | Lisp_Object minibuf; |
dc6f92b8 JB |
367 | { |
368 | Lisp_Object tail; | |
369 | int passed = 0; | |
370 | ||
f9898cc6 JB |
371 | /* There must always be at least one screen in Vscreen_list. */ |
372 | if (! CONSP (Vscreen_list)) | |
373 | abort (); | |
374 | ||
dc6f92b8 JB |
375 | while (1) |
376 | for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
377 | { | |
378 | if (passed) | |
d5e7c279 | 379 | { |
f9898cc6 JB |
380 | Lisp_Object s = XCONS (tail)->car; |
381 | ||
382 | /* Decide whether this screen is eligible to be returned, | |
383 | according to minibuf. */ | |
265a9e55 | 384 | if ((NILP (minibuf) && ! SCREEN_MINIBUF_ONLY_P (XSCREEN (s))) |
f9898cc6 JB |
385 | || XTYPE (minibuf) != Lisp_Window |
386 | || EQ (SCREEN_MINIBUF_WINDOW (XSCREEN (s)), minibuf) | |
387 | || EQ (s, screen)) | |
388 | return s; | |
d5e7c279 | 389 | } |
dc6f92b8 JB |
390 | |
391 | if (EQ (screen, XCONS (tail)->car)) | |
392 | passed++; | |
393 | } | |
394 | } | |
395 | ||
f9898cc6 JB |
396 | /* Return the previous screen in the screen list before SCREEN. |
397 | If MINIBUF is non-nil, include all screens. | |
398 | If MINIBUF is nil, exclude minibuffer-only screens. | |
399 | If MINIBUF is a window, include only screens using that window for | |
400 | their minibuffer. */ | |
dc6f92b8 | 401 | Lisp_Object |
f9898cc6 | 402 | prev_screen (screen, minibuf) |
dc6f92b8 | 403 | Lisp_Object screen; |
f9898cc6 | 404 | Lisp_Object minibuf; |
dc6f92b8 JB |
405 | { |
406 | Lisp_Object tail; | |
407 | Lisp_Object prev; | |
408 | ||
f9898cc6 JB |
409 | /* There must always be at least one screen in Vscreen_list. */ |
410 | if (! CONSP (Vscreen_list)) | |
411 | abort (); | |
412 | ||
dc6f92b8 JB |
413 | prev = Qnil; |
414 | while (1) | |
f9898cc6 JB |
415 | { |
416 | for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
417 | { | |
418 | Lisp_Object scr = XCONS (tail)->car; | |
419 | ||
420 | if (XTYPE (scr) != Lisp_Screen) | |
421 | abort (); | |
422 | ||
265a9e55 | 423 | if (EQ (screen, scr) && !NILP (prev)) |
f9898cc6 JB |
424 | return prev; |
425 | ||
426 | /* Decide whether this screen is eligible to be returned, | |
427 | according to minibuf. */ | |
265a9e55 | 428 | if ((NILP (minibuf) && ! SCREEN_MINIBUF_ONLY_P (XSCREEN (scr))) |
f9898cc6 JB |
429 | || XTYPE (minibuf) != Lisp_Window |
430 | || EQ (SCREEN_MINIBUF_WINDOW (XSCREEN (scr)), minibuf)) | |
431 | prev = scr; | |
432 | } | |
433 | ||
265a9e55 | 434 | if (NILP (prev)) |
f9898cc6 JB |
435 | /* We went through the whole screen list without finding a single |
436 | acceptable screen. Return the original screen. */ | |
437 | prev = screen; | |
438 | } | |
439 | ||
dc6f92b8 JB |
440 | } |
441 | ||
f9898cc6 JB |
442 | DEFUN ("next-screen", Fnext_screen, Snext_screen, 0, 2, 0, |
443 | "Return the next screen in the screen list after SCREEN.\n\ | |
444 | If optional argument MINIBUF is non-nil, include all screens. If\n\ | |
445 | MINIBUF is nil or omitted, exclude minibuffer-only screens. If\n\ | |
446 | MINIBUF is a window, include only screens using that window for their\n\ | |
447 | minibuffer.") | |
dc6f92b8 JB |
448 | (screen, miniscreen) |
449 | Lisp_Object screen, miniscreen; | |
450 | { | |
451 | Lisp_Object tail; | |
452 | ||
265a9e55 | 453 | if (NILP (screen)) |
dc6f92b8 | 454 | XSET (screen, Lisp_Screen, selected_screen); |
f9898cc6 JB |
455 | else |
456 | CHECK_LIVE_SCREEN (screen, 0); | |
dc6f92b8 | 457 | |
f9898cc6 | 458 | return next_screen (screen, miniscreen); |
dc6f92b8 JB |
459 | } |
460 | #endif /* MULTI_SCREEN */ | |
461 | \f | |
f9898cc6 JB |
462 | DEFUN ("delete-screen", Fdelete_screen, Sdelete_screen, 0, 1, "", |
463 | "Delete SCREEN, permanently eliminating it from use.\n\ | |
464 | If omitted, SCREEN defaults to the selected screen.\n\ | |
465 | A screen may not be deleted if its minibuffer is used by other screens.") | |
dc6f92b8 JB |
466 | (screen) |
467 | Lisp_Object screen; | |
468 | { | |
469 | struct screen *s; | |
470 | union display displ; | |
471 | ||
472 | if (EQ (screen, Qnil)) | |
473 | { | |
474 | s = selected_screen; | |
475 | XSET (screen, Lisp_Screen, s); | |
476 | } | |
477 | else | |
478 | { | |
479 | CHECK_SCREEN (screen, 0); | |
480 | s = XSCREEN (screen); | |
481 | } | |
482 | ||
f9898cc6 JB |
483 | if (! SCREEN_LIVE_P (s)) |
484 | return; | |
485 | ||
d5e7c279 | 486 | /* Are there any other screens besides this one? */ |
f9898cc6 | 487 | if (s == selected_screen && EQ (next_screen (screen, Qt), screen)) |
d5e7c279 JB |
488 | error ("Attempt to delete the only screen"); |
489 | ||
490 | /* Does this screen have a minibuffer, and is it the surrogate | |
491 | minibuffer for any other screen? */ | |
f9898cc6 | 492 | if (SCREEN_HAS_MINIBUF (XSCREEN (screen))) |
dc6f92b8 | 493 | { |
d5e7c279 | 494 | Lisp_Object screen2; |
dc6f92b8 | 495 | |
d5e7c279 JB |
496 | for (screen2 = Vscreen_list; CONSP (2); screen2 = XCONS (screen2)->cdr) |
497 | if (! EQ (screen2, screen) | |
498 | && EQ (screen, | |
f9898cc6 JB |
499 | (WINDOW_SCREEN |
500 | (XWINDOW | |
501 | (SCREEN_MINIBUF_WINDOW | |
502 | (XSCREEN (screen2))))))) | |
d5e7c279 | 503 | error ("Attempt to delete a surrogate minibuffer screen"); |
dc6f92b8 JB |
504 | } |
505 | ||
d5e7c279 JB |
506 | /* Don't let the screen remain selected. */ |
507 | if (s == selected_screen) | |
f9898cc6 | 508 | Fselect_screen (next_screen (screen, Qt)); |
dc6f92b8 JB |
509 | |
510 | /* Don't allow minibuf_window to remain on a deleted screen. */ | |
511 | if (EQ (s->minibuffer_window, minibuf_window)) | |
512 | { | |
513 | Fset_window_buffer (selected_screen->minibuffer_window, | |
514 | XWINDOW (minibuf_window)->buffer); | |
515 | minibuf_window = selected_screen->minibuffer_window; | |
516 | } | |
517 | ||
518 | Vscreen_list = Fdelq (screen, Vscreen_list); | |
519 | s->visible = 0; | |
520 | displ = s->display; | |
521 | s->display.nothing = 0; | |
522 | ||
d5e7c279 | 523 | #ifdef HAVE_X_WINDOWS |
dc6f92b8 JB |
524 | if (s->output_method == output_x_window) |
525 | x_destroy_window (s, displ); | |
d5e7c279 JB |
526 | #endif |
527 | ||
528 | /* If we've deleted the last_nonminibuf_screen, then try to find | |
529 | another one. */ | |
530 | if (s == last_nonminibuf_screen) | |
531 | { | |
532 | last_nonminibuf_screen = 0; | |
533 | ||
534 | for (screen = Vscreen_list; CONSP (screen); screen = XCONS (screen)->cdr) | |
535 | { | |
f9898cc6 JB |
536 | s = XSCREEN (XCONS (screen)->car); |
537 | if (!SCREEN_MINIBUF_ONLY_P (s)) | |
d5e7c279 JB |
538 | { |
539 | last_nonminibuf_screen = s; | |
540 | break; | |
541 | } | |
542 | } | |
543 | } | |
dc6f92b8 JB |
544 | |
545 | return Qnil; | |
546 | } | |
547 | \f | |
548 | /* Return mouse position in character cell units. */ | |
549 | ||
f9898cc6 JB |
550 | DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0, |
551 | "Return a list (SCREEN X . Y) giving the current mouse screen and position.\n\ | |
552 | If Emacs is running on a mouseless terminal or hasn't been programmed\n\ | |
553 | to read the mouse position, it returns the selected screen for SCREEN\n\ | |
554 | and nil for X and Y.") | |
555 | () | |
dc6f92b8 | 556 | { |
f9898cc6 JB |
557 | Lisp_Object x, y, dummy; |
558 | SCREEN_PTR s; | |
dc6f92b8 | 559 | |
f9898cc6 JB |
560 | if (mouse_position_hook) |
561 | (*mouse_position_hook) (&s, &x, &y, &dummy); | |
562 | else | |
563 | { | |
564 | s = selected_screen; | |
565 | x = y = Qnil; | |
566 | } | |
dc6f92b8 | 567 | |
f9898cc6 JB |
568 | XSET (dummy, Lisp_Screen, s); |
569 | return Fcons (dummy, Fcons (make_number (x), make_number (y))); | |
dc6f92b8 JB |
570 | } |
571 | ||
572 | DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0, | |
573 | "Move the mouse pointer to the center of cell (X,Y) in SCREEN.\n\ | |
574 | WARNING: If you use this under X, you should do unfocus-screen afterwards.") | |
575 | (screen, x, y) | |
576 | Lisp_Object screen, x, y; | |
577 | { | |
f9898cc6 | 578 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
579 | CHECK_NUMBER (x, 2); |
580 | CHECK_NUMBER (y, 1); | |
581 | ||
582 | #ifdef HAVE_X_WINDOWS | |
583 | if (XSCREEN (screen)->output_method == output_x_window) | |
584 | /* Warping the mouse will cause enternotify and focus events. */ | |
585 | x_set_mouse_position (XSCREEN (screen), x, y); | |
586 | #endif | |
587 | ||
588 | return Qnil; | |
589 | } | |
590 | \f | |
591 | #if 0 | |
592 | /* ??? Can this be replaced with a Lisp function? | |
593 | It is used in minibuf.c. Can we get rid of that? */ | |
594 | ||
595 | DEFUN ("screen-configuration", Fscreen_configuration, Sscreen_configuration, | |
596 | 0, 0, 0, | |
597 | "Return object describing current screen configuration.\n\ | |
598 | The screen configuration is the current mouse position and selected screen.\n\ | |
599 | This object can be given to `restore-screen-configuration'\n\ | |
600 | to restore this screen configuration.") | |
601 | () | |
602 | { | |
f9898cc6 | 603 | Lisp_Object c, time; |
dc6f92b8 | 604 | |
f9898cc6 JB |
605 | c = Fmake_vector (make_number(4), Qnil); |
606 | XVECTOR (c)->contents[0] = Fselected_screen(); | |
607 | if (mouse_position_hook) | |
608 | (*mouse_position_hook) (&XVECTOR (c)->contents[1] | |
609 | &XVECTOR (c)->contents[2], | |
610 | &XVECTOR (c)->contents[3], | |
611 | &time); | |
dc6f92b8 JB |
612 | return c; |
613 | } | |
614 | ||
615 | DEFUN ("restore-screen-configuration", Frestore_screen_configuration, | |
616 | Srestore_screen_configuration, | |
617 | 1, 1, 0, | |
618 | "Restores screen configuration CONFIGURATION.") | |
619 | (config) | |
620 | Lisp_Object config; | |
621 | { | |
622 | Lisp_Object x_pos, y_pos, screen; | |
623 | ||
624 | CHECK_VECTOR (config, 0); | |
625 | if (XVECTOR (config)->size != 3) | |
626 | { | |
627 | error ("Wrong size vector passed to restore-screen-configuration"); | |
628 | } | |
629 | screen = XVECTOR (config)->contents[0]; | |
f9898cc6 | 630 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
631 | |
632 | Fselect_screen (screen, Qnil); | |
633 | ||
634 | #if 0 | |
635 | /* This seems to interfere with the screen selection mechanism. jla */ | |
f9898cc6 JB |
636 | x_pos = XVECTOR (config)->contents[2]; |
637 | y_pos = XVECTOR (config)->contents[3]; | |
dc6f92b8 JB |
638 | set_mouse_position (screen, XINT (x_pos), XINT (y_pos)); |
639 | #endif | |
640 | ||
641 | return screen; | |
642 | } | |
643 | #endif | |
644 | \f | |
645 | DEFUN ("make-screen-visible", Fmake_screen_visible, Smake_screen_visible, | |
646 | 1, 1, 0, | |
647 | "Make the screen SCREEN visible (assuming it is an X-window).\n\ | |
648 | Also raises the screen so that nothing obscures it.") | |
649 | (screen) | |
650 | Lisp_Object screen; | |
651 | { | |
f9898cc6 | 652 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
653 | |
654 | if (XSCREEN (screen)->output_method == output_x_window) | |
655 | x_make_screen_visible (XSCREEN (screen)); | |
656 | ||
657 | return screen; | |
658 | } | |
659 | ||
660 | DEFUN ("make-screen-invisible", Fmake_screen_invisible, Smake_screen_invisible, | |
661 | 1, 1, 0, | |
662 | "Make the screen SCREEN invisible (assuming it is an X-window).") | |
663 | (screen) | |
664 | Lisp_Object screen; | |
665 | { | |
f9898cc6 | 666 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
667 | |
668 | if (XSCREEN (screen)->output_method == output_x_window) | |
669 | x_make_screen_invisible (XSCREEN (screen)); | |
670 | ||
671 | return Qnil; | |
672 | } | |
673 | ||
674 | DEFUN ("iconify-screen", Ficonify_screen, Siconify_screen, | |
675 | 1, 1, 0, | |
676 | "Make the screen SCREEN into an icon.") | |
677 | (screen) | |
678 | Lisp_Object screen; | |
679 | { | |
f9898cc6 | 680 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
681 | |
682 | if (XSCREEN (screen)->output_method == output_x_window) | |
683 | x_iconify_screen (XSCREEN (screen)); | |
684 | ||
685 | return Qnil; | |
686 | } | |
687 | ||
688 | DEFUN ("deiconify-screen", Fdeiconify_screen, Sdeiconify_screen, | |
689 | 1, 1, 0, | |
690 | "Open (de-iconify) the iconified screen SCREEN.") | |
691 | (screen) | |
692 | Lisp_Object screen; | |
693 | { | |
f9898cc6 | 694 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
695 | |
696 | if (XSCREEN (screen)->output_method == output_x_window) | |
697 | x_make_screen_visible (XSCREEN (screen)); | |
698 | ||
699 | return screen; | |
700 | } | |
701 | ||
702 | DEFUN ("screen-visible-p", Fscreen_visible_p, Sscreen_visible_p, | |
703 | 1, 1, 0, | |
704 | "Return t if SCREEN is now \"visible\" (actually in use for display).\n\ | |
705 | A screen that is not \"visible\" is not updated and, if it works through\n\ | |
706 | a window system, it may not show at all.\n\ | |
707 | Return the symbol `icon' if window is visible only as an icon.") | |
708 | (screen) | |
709 | Lisp_Object screen; | |
710 | { | |
f9898cc6 | 711 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
712 | |
713 | if (XSCREEN (screen)->visible) | |
714 | return Qt; | |
715 | if (XSCREEN (screen)->iconified) | |
716 | return intern ("icon"); | |
717 | return Qnil; | |
718 | } | |
719 | ||
720 | DEFUN ("visible-screen-list", Fvisible_screen_list, Svisible_screen_list, | |
721 | 0, 0, 0, | |
722 | "Return a list of all screens now \"visible\" (being updated).") | |
723 | () | |
724 | { | |
725 | Lisp_Object tail, screen; | |
726 | struct screen *s; | |
727 | Lisp_Object value; | |
728 | ||
729 | value = Qnil; | |
730 | for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
731 | { | |
732 | screen = XCONS (tail)->car; | |
733 | if (XTYPE (screen) != Lisp_Screen) | |
734 | continue; | |
735 | s = XSCREEN (screen); | |
736 | if (s->visible) | |
737 | value = Fcons (screen, value); | |
738 | } | |
739 | return value; | |
740 | } | |
d5e7c279 JB |
741 | |
742 | ||
743 | \f | |
744 | DEFUN ("redirect-screen-focus", Fredirect_screen_focus, Sredirect_screen_focus, | |
745 | 1, 2, 0, | |
746 | "Arrange for keystrokes typed at SCREEN to be sent to FOCUS-SCREEN.\n\ | |
747 | This means that, after reading a keystroke typed at SCREEN,\n\ | |
748 | last-event-screen will be FOCUS-SCREEN.\n\ | |
749 | \n\ | |
750 | If FOCUS-SCREEN is omitted or eq to SCREEN, any existing redirection is\n\ | |
751 | cancelled, and the screen again receives its own keystrokes.\n\ | |
752 | \n\ | |
753 | The redirection lasts until the next call to redirect-screen-focus\n\ | |
754 | or select-screen.\n\ | |
755 | \n\ | |
756 | This is useful for temporarily redirecting keystrokes to the minibuffer\n\ | |
757 | window when a screen doesn't have its own minibuffer.") | |
758 | (screen, focus_screen) | |
759 | Lisp_Object screen, focus_screen; | |
760 | { | |
f9898cc6 JB |
761 | CHECK_LIVE_SCREEN (screen, 0); |
762 | ||
265a9e55 | 763 | if (NILP (focus_screen)) |
d5e7c279 JB |
764 | focus_screen = screen; |
765 | else | |
f9898cc6 | 766 | CHECK_LIVE_SCREEN (focus_screen, 1); |
d5e7c279 JB |
767 | |
768 | XSCREEN (screen)->focus_screen = focus_screen; | |
769 | ||
770 | if (screen_rehighlight_hook) | |
771 | (*screen_rehighlight_hook) (); | |
772 | ||
773 | return Qnil; | |
774 | } | |
775 | ||
776 | ||
777 | DEFUN ("screen-focus", Fscreen_focus, Sscreen_focus, 1, 1, 0, | |
778 | "Return the screen to which SCREEN's keystrokes are currently being sent.\n\ | |
779 | See redirect-screen-focus.") | |
780 | (screen) | |
781 | Lisp_Object screen; | |
782 | { | |
f9898cc6 | 783 | CHECK_LIVE_SCREEN (screen, 0); |
d5e7c279 JB |
784 | return SCREEN_FOCUS_SCREEN (XSCREEN (screen)); |
785 | } | |
786 | ||
787 | ||
dc6f92b8 JB |
788 | \f |
789 | Lisp_Object | |
790 | get_screen_param (screen, prop) | |
791 | register struct screen *screen; | |
792 | Lisp_Object prop; | |
793 | { | |
794 | register Lisp_Object tem; | |
795 | ||
796 | tem = Fassq (prop, screen->param_alist); | |
797 | if (EQ (tem, Qnil)) | |
798 | return tem; | |
799 | return Fcdr (tem); | |
800 | } | |
801 | ||
802 | void | |
803 | store_in_alist (alistptr, propname, val) | |
804 | Lisp_Object *alistptr, val; | |
805 | char *propname; | |
806 | { | |
807 | register Lisp_Object tem; | |
808 | register Lisp_Object prop; | |
809 | ||
810 | prop = intern (propname); | |
811 | tem = Fassq (prop, *alistptr); | |
812 | if (EQ (tem, Qnil)) | |
813 | *alistptr = Fcons (Fcons (prop, val), *alistptr); | |
814 | else | |
815 | Fsetcdr (tem, val); | |
816 | } | |
817 | ||
818 | void | |
819 | store_screen_param (s, prop, val) | |
820 | struct screen *s; | |
821 | Lisp_Object prop, val; | |
822 | { | |
823 | register Lisp_Object tem; | |
824 | ||
825 | tem = Fassq (prop, s->param_alist); | |
826 | if (EQ (tem, Qnil)) | |
827 | s->param_alist = Fcons (Fcons (prop, val), s->param_alist); | |
828 | else | |
829 | Fsetcdr (tem, val); | |
830 | } | |
831 | ||
832 | DEFUN ("screen-parameters", Fscreen_parameters, Sscreen_parameters, 0, 1, 0, | |
833 | "Return the parameters-alist of screen SCREEN.\n\ | |
834 | It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.\n\ | |
835 | The meaningful PARMs depend on the kind of screen.") | |
836 | (screen) | |
837 | Lisp_Object screen; | |
838 | { | |
839 | Lisp_Object alist; | |
840 | struct screen *s; | |
841 | ||
842 | if (EQ (screen, Qnil)) | |
843 | s = selected_screen; | |
844 | else | |
845 | { | |
846 | CHECK_SCREEN (screen, 0); | |
847 | s = XSCREEN (screen); | |
848 | } | |
849 | ||
850 | if (s->display.nothing == 0) | |
851 | return Qnil; | |
852 | ||
853 | alist = Fcopy_alist (s->param_alist); | |
854 | store_in_alist (&alist, "name", s->name); | |
855 | store_in_alist (&alist, "height", make_number (s->height)); | |
856 | store_in_alist (&alist, "width", make_number (s->width)); | |
857 | store_in_alist (&alist, "modeline", (s->wants_modeline ? Qt : Qnil)); | |
f9898cc6 JB |
858 | store_in_alist (&alist, "minibuffer", |
859 | (SCREEN_HAS_MINIBUF (s) | |
860 | ? (SCREEN_MINIBUF_ONLY_P (s) ? intern ("only") : Qt) | |
861 | : Qnil)); | |
dc6f92b8 JB |
862 | store_in_alist (&alist, "unsplittable", (s->no_split ? Qt : Qnil)); |
863 | ||
864 | if (s->output_method == output_x_window) | |
865 | x_report_screen_params (s, &alist); | |
866 | return alist; | |
867 | } | |
868 | ||
869 | DEFUN ("modify-screen-parameters", Fmodify_screen_parameters, | |
870 | Smodify_screen_parameters, 2, 2, 0, | |
871 | "Modify the parameters of screen SCREEN according to ALIST.\n\ | |
872 | ALIST is an alist of parameters to change and their new values.\n\ | |
873 | Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.\n\ | |
874 | The meaningful PARMs depend on the kind of screen; undefined PARMs are ignored.") | |
875 | (screen, alist) | |
876 | Lisp_Object screen, alist; | |
877 | { | |
878 | register struct screen *s; | |
879 | register Lisp_Object tail, elt, prop, val; | |
880 | ||
881 | if (EQ (screen, Qnil)) | |
882 | s = selected_screen; | |
883 | else | |
884 | { | |
f9898cc6 | 885 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
886 | s = XSCREEN (screen); |
887 | } | |
888 | ||
dc6f92b8 JB |
889 | if (s->output_method == output_x_window) |
890 | for (tail = alist; !EQ (tail, Qnil); tail = Fcdr (tail)) | |
891 | { | |
892 | elt = Fcar (tail); | |
893 | prop = Fcar (elt); | |
894 | val = Fcdr (elt); | |
895 | x_set_screen_param (s, prop, val, | |
896 | get_screen_param (s, prop)); | |
897 | store_screen_param (s, prop, val); | |
898 | } | |
899 | ||
900 | return Qnil; | |
901 | } | |
902 | \f | |
903 | ||
904 | DEFUN ("screen-pixel-size", Fscreen_pixel_size, | |
905 | Sscreen_pixel_size, 1, 1, 0, | |
f9898cc6 | 906 | "Return a cons (width . height) of SCREEN's size in pixels.") |
dc6f92b8 JB |
907 | (screen) |
908 | Lisp_Object screen; | |
909 | { | |
910 | register struct screen *s; | |
911 | int width, height; | |
912 | ||
f9898cc6 | 913 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
914 | s = XSCREEN (screen); |
915 | ||
916 | return Fcons (make_number (x_pixel_width (s)), | |
917 | make_number (x_pixel_height (s))); | |
918 | } | |
919 | ||
920 | DEFUN ("screen-height", Fscreen_height, Sscreen_height, 0, 0, 0, | |
921 | "Return number of lines available for display on selected screen.") | |
922 | () | |
923 | { | |
924 | return make_number (SCREEN_HEIGHT (selected_screen)); | |
925 | } | |
926 | ||
927 | DEFUN ("screen-width", Fscreen_width, Sscreen_width, 0, 0, 0, | |
928 | "Return number of columns available for display on selected screen.") | |
929 | () | |
930 | { | |
931 | return make_number (SCREEN_WIDTH (selected_screen)); | |
932 | } | |
933 | ||
934 | DEFUN ("set-screen-height", Fset_screen_height, Sset_screen_height, 2, 3, 0, | |
935 | "Specify that the screen SCREEN has LINES lines.\n\ | |
936 | Optional third arg non-nil means that redisplay should use LINES lines\n\ | |
937 | but that the idea of the actual height of the screen should not be changed.") | |
938 | (screen, rows, pretend) | |
939 | Lisp_Object rows, pretend; | |
940 | { | |
941 | register struct screen *s; | |
942 | ||
943 | CHECK_NUMBER (rows, 0); | |
265a9e55 | 944 | if (NILP (screen)) |
dc6f92b8 JB |
945 | s = selected_screen; |
946 | else | |
947 | { | |
f9898cc6 | 948 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
949 | s = XSCREEN (screen); |
950 | } | |
951 | ||
952 | if (s->output_method == output_x_window) | |
953 | { | |
954 | if (XINT (rows) != s->width) | |
955 | x_set_window_size (s, s->width, XINT (rows)); | |
956 | } | |
957 | else | |
265a9e55 | 958 | change_screen_size (s, XINT (rows), 0, !NILP (pretend)); |
dc6f92b8 JB |
959 | return Qnil; |
960 | } | |
961 | ||
962 | DEFUN ("set-screen-width", Fset_screen_width, Sset_screen_width, 2, 3, 0, | |
963 | "Specify that the screen SCREEN has COLS columns.\n\ | |
964 | Optional third arg non-nil means that redisplay should use COLS columns\n\ | |
965 | but that the idea of the actual width of the screen should not be changed.") | |
966 | (screen, cols, pretend) | |
967 | Lisp_Object cols, pretend; | |
968 | { | |
969 | register struct screen *s; | |
970 | CHECK_NUMBER (cols, 0); | |
265a9e55 | 971 | if (NILP (screen)) |
dc6f92b8 JB |
972 | s = selected_screen; |
973 | else | |
974 | { | |
f9898cc6 | 975 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
976 | s = XSCREEN (screen); |
977 | } | |
978 | ||
979 | if (s->output_method == output_x_window) | |
980 | { | |
981 | if (XINT (cols) != s->width) | |
982 | x_set_window_size (s, XINT (cols), s->height); | |
983 | } | |
984 | else | |
265a9e55 | 985 | change_screen_size (selected_screen, 0, XINT (cols), !NILP (pretend)); |
dc6f92b8 JB |
986 | return Qnil; |
987 | } | |
988 | ||
f9898cc6 | 989 | DEFUN ("set-screen-size", Fset_screen_size, Sset_screen_size, 3, 3, 0, |
dc6f92b8 JB |
990 | "Sets size of SCREEN to COLS by ROWS, measured in characters.") |
991 | (screen, cols, rows) | |
992 | Lisp_Object screen, cols, rows; | |
993 | { | |
994 | register struct screen *s; | |
995 | int mask; | |
996 | ||
f9898cc6 | 997 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
998 | CHECK_NUMBER (cols, 2); |
999 | CHECK_NUMBER (rows, 1); | |
1000 | s = XSCREEN (screen); | |
1001 | ||
1002 | if (s->output_method == output_x_window) | |
1003 | { | |
1004 | if (XINT (rows) != s->height || XINT (cols) != s->width) | |
1005 | x_set_window_size (s, XINT (cols), XINT (rows)); | |
1006 | } | |
1007 | else | |
1008 | change_screen_size (s, XINT (rows), XINT (cols), 0); | |
1009 | ||
1010 | return Qnil; | |
1011 | } | |
1012 | ||
1013 | DEFUN ("set-screen-position", Fset_screen_position, | |
1014 | Sset_screen_position, 3, 3, 0, | |
f9898cc6 JB |
1015 | "Sets position of SCREEN in pixels to XOFFSET by YOFFSET.\n\ |
1016 | If XOFFSET or YOFFSET are negative, they are interpreted relative to\n\ | |
1017 | the leftmost or bottommost position SCREEN could occupy without going\n\ | |
1018 | off the screen.") | |
dc6f92b8 JB |
1019 | (screen, xoffset, yoffset) |
1020 | Lisp_Object screen, xoffset, yoffset; | |
1021 | { | |
1022 | register struct screen *s; | |
1023 | int mask; | |
1024 | ||
f9898cc6 | 1025 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
1026 | CHECK_NUMBER (xoffset, 1); |
1027 | CHECK_NUMBER (yoffset, 2); | |
1028 | s = XSCREEN (screen); | |
1029 | ||
1030 | if (s->output_method == output_x_window) | |
1031 | x_set_offset (s, XINT (xoffset), XINT (yoffset)); | |
1032 | ||
1033 | return Qt; | |
1034 | } | |
1035 | \f | |
dc6f92b8 JB |
1036 | #ifndef HAVE_X11 |
1037 | DEFUN ("rubber-band-rectangle", Frubber_band_rectangle, Srubber_band_rectangle, | |
1038 | 3, 3, "", | |
1039 | "Ask user to specify a window position and size on SCREEN with the mouse.\n\ | |
1040 | Arguments are SCREEN, NAME and GEO. NAME is a name to be displayed as\n\ | |
1041 | the purpose of this rectangle. GEO is an X-windows size spec that can\n\ | |
1042 | specify defaults for some sizes/positions. If GEO specifies everything,\n\ | |
1043 | the mouse is not used.\n\ | |
1044 | Returns a list of five values: (SCREEN LEFT TOP WIDTH HEIGHT).") | |
1045 | (screen, name, geo) | |
1046 | Lisp_Object screen; | |
1047 | Lisp_Object name; | |
1048 | Lisp_Object geo; | |
1049 | { | |
1050 | int vals[4]; | |
1051 | Lisp_Object nums[4]; | |
1052 | int i; | |
1053 | ||
1054 | CHECK_SCREEN (screen, 0); | |
1055 | CHECK_STRING (name, 1); | |
1056 | CHECK_STRING (geo, 2); | |
1057 | ||
1058 | switch (XSCREEN (screen)->output_method) | |
1059 | { | |
1060 | case output_x_window: | |
1061 | x_rubber_band (XSCREEN (screen), &vals[0], &vals[1], &vals[2], &vals[3], | |
1062 | XSTRING (geo)->data, XSTRING (name)->data); | |
1063 | break; | |
1064 | ||
1065 | default: | |
1066 | return Qnil; | |
1067 | } | |
1068 | ||
1069 | for (i = 0; i < 4; i++) | |
1070 | XFASTINT (nums[i]) = vals[i]; | |
1071 | return Fcons (screen, Flist (4, nums)); | |
1072 | return Qnil; | |
1073 | } | |
1074 | #endif /* not HAVE_X11 */ | |
1075 | \f | |
1076 | choose_minibuf_screen () | |
1077 | { | |
1078 | /* For lowest-level minibuf, put it on currently selected screen | |
1079 | if screen has a minibuffer. */ | |
1080 | if (minibuf_level == 0 | |
1081 | && selected_screen != 0 | |
1082 | && !EQ (minibuf_window, selected_screen->minibuffer_window) | |
1083 | && !EQ (Qnil, selected_screen->minibuffer_window)) | |
1084 | { | |
1085 | Fset_window_buffer (selected_screen->minibuffer_window, | |
1086 | XWINDOW (minibuf_window)->buffer); | |
1087 | minibuf_window = selected_screen->minibuffer_window; | |
1088 | } | |
1089 | } | |
1090 | \f | |
1091 | syms_of_screen () | |
1092 | { | |
1093 | Qscreenp = intern ("screenp"); | |
f9898cc6 JB |
1094 | Qlive_screen_p = intern ("live_screen_p"); |
1095 | ||
1096 | staticpro (&Qscreenp); | |
1097 | staticpro (&Qlive_screen_p); | |
dc6f92b8 JB |
1098 | |
1099 | staticpro (&Vscreen_list); | |
1100 | ||
1101 | DEFVAR_LISP ("terminal-screen", &Vterminal_screen, | |
1102 | "The initial screen-object, which represents Emacs's stdout."); | |
1103 | ||
1104 | DEFVAR_LISP ("emacs-iconified", &Vemacs_iconified, | |
f9898cc6 | 1105 | "Non-nil if all of emacs is iconified and screen updates are not needed."); |
dc6f92b8 JB |
1106 | Vemacs_iconified = Qnil; |
1107 | ||
f9898cc6 JB |
1108 | DEFVAR_LISP ("default-minibuffer-screen", &Vdefault_minibuffer_screen, |
1109 | "Minibufferless screens use this screen's minibuffer.\n\ | |
1110 | \n\ | |
1111 | Emacs cannot create minibufferless screens unless this is set to an\n\ | |
1112 | appropriate surrogate.\n\ | |
1113 | \n\ | |
1114 | Emacs consults this variable only when creating minibufferless\n\ | |
1115 | screens; once the screen is created, it sticks with its assigned\n\ | |
1116 | minibuffer, no matter what this variable is set to. This means that\n\ | |
1117 | this variable doesn't necessarily say anything meaningful about the\n\ | |
1118 | current set of screens, or where the minibuffer is currently being\n\ | |
1119 | displayed."); | |
1120 | Vdefault_minibuffer_screen = Qnil; | |
dc6f92b8 | 1121 | |
5bce042c JB |
1122 | DEFVAR_LISP ("default-screen-alist", &Vdefault_screen_alist, |
1123 | "Alist of default values for screen creation.\n\ | |
1124 | These may be set in your init file, like this:\n\ | |
1125 | (setq default-screen-alist '((width . 80) (height . 55)))\n\ | |
1126 | These override values given in window system configuration data, like\n\ | |
1127 | X Windows' defaults database.\n\ | |
1128 | For values specific to the first emacs screen, see initial-screen-alist.\n\ | |
1129 | For values specific to the separate minibuffer screen, see\n\ | |
1130 | minibuffer-screen-alist."); | |
1131 | Vdefault_screen_alist = Qnil; | |
1132 | ||
dc6f92b8 | 1133 | defsubr (&Sscreenp); |
f9898cc6 | 1134 | defsubr (&Slive_screen_p); |
dc6f92b8 JB |
1135 | defsubr (&Sselect_screen); |
1136 | defsubr (&Sselected_screen); | |
1137 | defsubr (&Swindow_screen); | |
1138 | defsubr (&Sscreen_root_window); | |
1139 | defsubr (&Sscreen_selected_window); | |
1140 | defsubr (&Sscreen_list); | |
1141 | defsubr (&Snext_screen); | |
1142 | defsubr (&Sdelete_screen); | |
f9898cc6 | 1143 | defsubr (&Smouse_position); |
dc6f92b8 JB |
1144 | defsubr (&Sset_mouse_position); |
1145 | #if 0 | |
1146 | defsubr (&Sscreen_configuration); | |
1147 | defsubr (&Srestore_screen_configuration); | |
1148 | #endif | |
1149 | defsubr (&Smake_screen_visible); | |
1150 | defsubr (&Smake_screen_invisible); | |
1151 | defsubr (&Siconify_screen); | |
1152 | defsubr (&Sdeiconify_screen); | |
1153 | defsubr (&Sscreen_visible_p); | |
1154 | defsubr (&Svisible_screen_list); | |
d5e7c279 JB |
1155 | defsubr (&Sredirect_screen_focus); |
1156 | defsubr (&Sscreen_focus); | |
dc6f92b8 JB |
1157 | defsubr (&Sscreen_parameters); |
1158 | defsubr (&Smodify_screen_parameters); | |
1159 | defsubr (&Sscreen_pixel_size); | |
1160 | defsubr (&Sscreen_height); | |
1161 | defsubr (&Sscreen_width); | |
1162 | defsubr (&Sset_screen_height); | |
1163 | defsubr (&Sset_screen_width); | |
1164 | defsubr (&Sset_screen_size); | |
1165 | defsubr (&Sset_screen_position); | |
dc6f92b8 JB |
1166 | #ifndef HAVE_X11 |
1167 | defsubr (&Srubber_band_rectangle); | |
1168 | #endif /* HAVE_X11 */ | |
1169 | } |