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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; |
bc93c097 | 35 | Lisp_Object Qminibuffer; |
dc6f92b8 | 36 | |
d5e7c279 JB |
37 | /* A screen which is not just a minibuffer, or 0 if there are no |
38 | such screens. This is usually the most recent such screen that | |
39 | was selected. */ | |
40 | struct screen *last_nonminibuf_screen; | |
41 | ||
dc6f92b8 JB |
42 | extern Lisp_Object Vminibuffer_list; |
43 | extern Lisp_Object get_minibuffer (); | |
44 | \f | |
45 | DEFUN ("screenp", Fscreenp, Sscreenp, 1, 1, 0, | |
46 | "Return non-nil if OBJECT is a screen.\n\ | |
47 | Value is t for a termcap screen (a character-only terminal),\n\ | |
f9898cc6 JB |
48 | `x' for an Emacs screen that is really an X window.\n\ |
49 | Also see live-screen-p.") | |
50 | (object) | |
51 | Lisp_Object object; | |
dc6f92b8 | 52 | { |
f9898cc6 | 53 | if (XTYPE (object) != Lisp_Screen) |
dc6f92b8 | 54 | return Qnil; |
f9898cc6 | 55 | switch (XSCREEN (object)->output_method) |
dc6f92b8 JB |
56 | { |
57 | case output_termcap: | |
58 | return Qt; | |
59 | case output_x_window: | |
60 | return intern ("x"); | |
61 | default: | |
62 | abort (); | |
63 | } | |
64 | } | |
65 | ||
f9898cc6 JB |
66 | DEFUN ("live-screen-p", Flive_screen_p, Slive_screen_p, 1, 1, 0, |
67 | "Return non-nil if OBJECT is a screen which has not been deleted.\n\ | |
68 | Value is nil if OBJECT is not a live screen. If object is a live\n\ | |
69 | screen, the return value indicates what sort of output device it is\n\ | |
70 | displayed on. Value is t for a termcap screen (a character-only\n\ | |
71 | terminal), `x' for an Emacs screen being displayed in an X window.") | |
72 | (object) | |
73 | Lisp_Object object; | |
74 | { | |
75 | return ((SCREENP (object) | |
76 | && SCREEN_LIVE_P (XSCREEN (object))) | |
77 | ? Fscreenp (object) | |
78 | : Qnil); | |
79 | } | |
80 | ||
dc6f92b8 JB |
81 | struct screen * |
82 | make_screen (mini_p) | |
83 | int mini_p; | |
84 | { | |
85 | Lisp_Object screen; | |
86 | register struct screen *s; | |
87 | register Lisp_Object root_window; | |
88 | register Lisp_Object mini_window; | |
89 | ||
d5e7c279 JB |
90 | screen = Fmake_vector (((sizeof (struct screen) - (sizeof (Lisp_Vector) |
91 | - sizeof (Lisp_Object))) | |
92 | / sizeof (Lisp_Object)), | |
dc6f92b8 JB |
93 | make_number (0)); |
94 | XSETTYPE (screen, Lisp_Screen); | |
95 | s = XSCREEN (screen); | |
96 | ||
97 | s->cursor_x = 0; | |
98 | s->cursor_y = 0; | |
99 | s->current_glyphs = 0; | |
100 | s->desired_glyphs = 0; | |
101 | s->visible = 0; | |
102 | s->display.nothing = 0; | |
103 | s->iconified = 0; | |
104 | s->wants_modeline = 1; | |
105 | s->auto_raise = 0; | |
106 | s->auto_lower = 0; | |
107 | s->no_split = 0; | |
108 | s->garbaged = 0; | |
109 | s->has_minibuffer = mini_p; | |
d5e7c279 | 110 | s->focus_screen = screen; |
dc6f92b8 JB |
111 | |
112 | s->param_alist = Qnil; | |
113 | ||
114 | root_window = make_window (0); | |
115 | if (mini_p) | |
116 | { | |
117 | mini_window = make_window (0); | |
118 | XWINDOW (root_window)->next = mini_window; | |
119 | XWINDOW (mini_window)->prev = root_window; | |
120 | XWINDOW (mini_window)->mini_p = Qt; | |
121 | XWINDOW (mini_window)->screen = screen; | |
122 | s->minibuffer_window = mini_window; | |
123 | } | |
124 | else | |
125 | { | |
126 | mini_window = Qnil; | |
127 | XWINDOW (root_window)->next = Qnil; | |
128 | s->minibuffer_window = Qnil; | |
129 | } | |
130 | ||
131 | XWINDOW (root_window)->screen = screen; | |
132 | ||
133 | /* 10 is arbitrary, | |
134 | just so that there is "something there." | |
135 | Correct size will be set up later with change_screen_size. */ | |
136 | ||
137 | s->width = 10; | |
138 | s->height = 10; | |
139 | ||
140 | XFASTINT (XWINDOW (root_window)->width) = 10; | |
141 | XFASTINT (XWINDOW (root_window)->height) = (mini_p ? 9 : 10); | |
142 | ||
143 | if (mini_p) | |
144 | { | |
145 | XFASTINT (XWINDOW (mini_window)->width) = 10; | |
146 | XFASTINT (XWINDOW (mini_window)->top) = 9; | |
147 | XFASTINT (XWINDOW (mini_window)->height) = 1; | |
148 | } | |
149 | ||
5bce042c JB |
150 | /* Choose a buffer for the screen's root window. */ |
151 | { | |
152 | Lisp_Object buf; | |
153 | ||
154 | XWINDOW (root_window)->buffer = Qt; | |
155 | buf = Fcurrent_buffer (); | |
156 | /* If buf is a 'hidden' buffer (i.e. one whose name starts with | |
157 | a space), try to find another one. */ | |
158 | if (XSTRING (Fbuffer_name (buf))->data[0] == ' ') | |
159 | buf = Fother_buffer (buf); | |
160 | Fset_window_buffer (root_window, buf); | |
161 | } | |
162 | ||
dc6f92b8 JB |
163 | if (mini_p) |
164 | { | |
165 | XWINDOW (mini_window)->buffer = Qt; | |
166 | Fset_window_buffer (mini_window, | |
265a9e55 | 167 | (NILP (Vminibuffer_list) |
dc6f92b8 JB |
168 | ? get_minibuffer (0) |
169 | : Fcar (Vminibuffer_list))); | |
170 | } | |
171 | ||
dc6f92b8 | 172 | s->root_window = root_window; |
d5e7c279 JB |
173 | s->selected_window = root_window; |
174 | /* Make sure this window seems more recently used than | |
175 | a newly-created, never-selected window. */ | |
176 | XFASTINT (XWINDOW (s->selected_window)->use_time) = ++window_select_count; | |
dc6f92b8 JB |
177 | |
178 | Vscreen_list = Fcons (screen, Vscreen_list); | |
179 | ||
180 | return s; | |
181 | } | |
182 | \f | |
183 | /* Make a screen using a separate minibuffer window on another screen. | |
184 | MINI_WINDOW is the minibuffer window to use. nil means use the | |
185 | default (the global minibuffer). */ | |
186 | ||
187 | struct screen * | |
188 | make_screen_without_minibuffer (mini_window) | |
189 | register Lisp_Object mini_window; | |
190 | { | |
191 | register struct screen *s; | |
192 | ||
193 | /* Choose the minibuffer window to use. */ | |
265a9e55 | 194 | if (NILP (mini_window)) |
dc6f92b8 | 195 | { |
f9898cc6 JB |
196 | if (XTYPE (Vdefault_minibuffer_screen) != Lisp_Screen) |
197 | error ("default-minibuffer-screen must be set when creating minibufferless screens."); | |
198 | mini_window = XSCREEN (Vdefault_minibuffer_screen)->minibuffer_window; | |
dc6f92b8 JB |
199 | } |
200 | else | |
201 | { | |
202 | CHECK_WINDOW (mini_window, 0); | |
203 | } | |
204 | ||
205 | /* Make a screen containing just a root window. */ | |
206 | s = make_screen (0); | |
207 | ||
208 | /* Install the chosen minibuffer window, with proper buffer. */ | |
209 | s->minibuffer_window = mini_window; | |
210 | Fset_window_buffer (mini_window, | |
265a9e55 | 211 | (NILP (Vminibuffer_list) |
dc6f92b8 JB |
212 | ? get_minibuffer (0) |
213 | : Fcar (Vminibuffer_list))); | |
214 | return s; | |
215 | } | |
216 | ||
217 | /* Make a screen containing only a minibuffer window. */ | |
218 | ||
219 | struct screen * | |
220 | make_minibuffer_screen () | |
221 | { | |
222 | /* First make a screen containing just a root window, no minibuffer. */ | |
223 | ||
224 | register struct screen *s = make_screen (0); | |
225 | register Lisp_Object mini_window; | |
226 | register Lisp_Object screen; | |
227 | ||
228 | XSET (screen, Lisp_Screen, s); | |
229 | ||
230 | /* ??? Perhaps leave it to the user program to set auto_raise. */ | |
231 | s->auto_raise = 1; | |
232 | s->auto_lower = 0; | |
233 | s->no_split = 1; | |
234 | s->wants_modeline = 0; | |
f9898cc6 | 235 | s->has_minibuffer = 1; |
dc6f92b8 JB |
236 | |
237 | /* Now label the root window as also being the minibuffer. | |
238 | Avoid infinite looping on the window chain by marking next pointer | |
239 | as nil. */ | |
240 | ||
241 | mini_window = s->minibuffer_window = s->root_window; | |
242 | XWINDOW (mini_window)->mini_p = Qt; | |
243 | XWINDOW (mini_window)->next = Qnil; | |
244 | XWINDOW (mini_window)->prev = mini_window; | |
245 | XWINDOW (mini_window)->screen = screen; | |
246 | ||
247 | /* Put the proper buffer in that window. */ | |
248 | ||
249 | Fset_window_buffer (mini_window, | |
265a9e55 | 250 | (NILP (Vminibuffer_list) |
dc6f92b8 JB |
251 | ? get_minibuffer (0) |
252 | : Fcar (Vminibuffer_list))); | |
253 | return s; | |
254 | } | |
255 | \f | |
256 | /* Construct a screen that refers to the terminal (stdin and stdout). */ | |
257 | ||
258 | struct screen * | |
259 | make_terminal_screen () | |
260 | { | |
261 | register struct screen *s; | |
262 | ||
263 | Vscreen_list = Qnil; | |
264 | s = make_screen (1); | |
265 | s->name = build_string ("terminal"); | |
266 | s->visible = 1; | |
267 | s->display.nothing = 1; /* Nonzero means screen isn't deleted. */ | |
268 | XSET (Vterminal_screen, Lisp_Screen, s); | |
269 | return s; | |
270 | } | |
271 | \f | |
272 | DEFUN ("select-screen", Fselect_screen, Sselect_screen, 1, 2, 0, | |
273 | "Select the screen S. S's selected window becomes \"the\"\n\ | |
d5e7c279 | 274 | selected window. If the optional parameter NO-ENTER is non-nil, don't\n\ |
dc6f92b8 JB |
275 | focus on that screen.") |
276 | (screen, no_enter) | |
277 | Lisp_Object screen, no_enter; | |
278 | { | |
f9898cc6 | 279 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
280 | |
281 | if (selected_screen == XSCREEN (screen)) | |
282 | return screen; | |
283 | ||
284 | selected_screen = XSCREEN (screen); | |
f9898cc6 | 285 | if (! SCREEN_MINIBUF_ONLY_P (selected_screen)) |
d5e7c279 JB |
286 | last_nonminibuf_screen = selected_screen; |
287 | ||
dc6f92b8 JB |
288 | Fselect_window (XSCREEN (screen)->selected_window); |
289 | ||
290 | #ifdef HAVE_X_WINDOWS | |
291 | #ifdef MULTI_SCREEN | |
bc93c097 | 292 | if (SCREEN_IS_X (XSCREEN (screen)) |
265a9e55 | 293 | && NILP (no_enter)) |
dc6f92b8 JB |
294 | { |
295 | Ffocus_screen (screen); | |
296 | } | |
297 | #endif | |
298 | #endif | |
299 | choose_minibuf_screen (); | |
300 | ||
301 | return screen; | |
302 | } | |
303 | ||
304 | DEFUN ("selected-screen", Fselected_screen, Sselected_screen, 0, 0, 0, | |
305 | "Return the screen that is now selected.") | |
306 | () | |
307 | { | |
308 | Lisp_Object tem; | |
309 | XSET (tem, Lisp_Screen, selected_screen); | |
310 | return tem; | |
311 | } | |
312 | ||
313 | DEFUN ("window-screen", Fwindow_screen, Swindow_screen, 1, 1, 0, | |
314 | "Return the screen object that window WINDOW is on.") | |
315 | (window) | |
316 | Lisp_Object window; | |
317 | { | |
318 | CHECK_WINDOW (window, 0); | |
319 | return XWINDOW (window)->screen; | |
320 | } | |
321 | ||
322 | DEFUN ("screen-root-window", Fscreen_root_window, Sscreen_root_window, 0, 1, 0, | |
323 | "Returns the root-window of SCREEN.") | |
324 | (screen) | |
325 | Lisp_Object screen; | |
326 | { | |
265a9e55 | 327 | if (NILP (screen)) |
dc6f92b8 | 328 | XSET (screen, Lisp_Screen, selected_screen); |
f9898cc6 JB |
329 | else |
330 | CHECK_LIVE_SCREEN (screen, 0); | |
dc6f92b8 JB |
331 | |
332 | return XSCREEN (screen)->root_window; | |
333 | } | |
334 | ||
335 | DEFUN ("screen-selected-window", Fscreen_selected_window, | |
336 | Sscreen_selected_window, 0, 1, 0, | |
337 | "Return the selected window of screen object SCREEN.") | |
338 | (screen) | |
339 | Lisp_Object screen; | |
340 | { | |
265a9e55 | 341 | if (NILP (screen)) |
dc6f92b8 | 342 | XSET (screen, Lisp_Screen, selected_screen); |
f9898cc6 JB |
343 | else |
344 | CHECK_LIVE_SCREEN (screen, 0); | |
dc6f92b8 JB |
345 | |
346 | return XSCREEN (screen)->selected_window; | |
347 | } | |
348 | ||
349 | DEFUN ("screen-list", Fscreen_list, Sscreen_list, | |
350 | 0, 0, 0, | |
351 | "Return a list of all screens.") | |
352 | () | |
353 | { | |
354 | return Fcopy_sequence (Vscreen_list); | |
355 | } | |
356 | ||
357 | #ifdef MULTI_SCREEN | |
f9898cc6 JB |
358 | |
359 | /* Return the next screen in the screen list after SCREEN. | |
360 | If MINIBUF is non-nil, include all screens. | |
361 | If MINIBUF is nil, exclude minibuffer-only screens. | |
362 | If MINIBUF is a window, include only screens using that window for | |
363 | their minibuffer. */ | |
dc6f92b8 | 364 | Lisp_Object |
f9898cc6 | 365 | next_screen (screen, minibuf) |
dc6f92b8 | 366 | Lisp_Object screen; |
f9898cc6 | 367 | Lisp_Object minibuf; |
dc6f92b8 JB |
368 | { |
369 | Lisp_Object tail; | |
370 | int passed = 0; | |
371 | ||
f9898cc6 JB |
372 | /* There must always be at least one screen in Vscreen_list. */ |
373 | if (! CONSP (Vscreen_list)) | |
374 | abort (); | |
375 | ||
dc6f92b8 JB |
376 | while (1) |
377 | for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
378 | { | |
379 | if (passed) | |
d5e7c279 | 380 | { |
f9898cc6 JB |
381 | Lisp_Object s = XCONS (tail)->car; |
382 | ||
383 | /* Decide whether this screen is eligible to be returned, | |
384 | according to minibuf. */ | |
265a9e55 | 385 | if ((NILP (minibuf) && ! SCREEN_MINIBUF_ONLY_P (XSCREEN (s))) |
f9898cc6 JB |
386 | || XTYPE (minibuf) != Lisp_Window |
387 | || EQ (SCREEN_MINIBUF_WINDOW (XSCREEN (s)), minibuf) | |
388 | || EQ (s, screen)) | |
389 | return s; | |
d5e7c279 | 390 | } |
dc6f92b8 JB |
391 | |
392 | if (EQ (screen, XCONS (tail)->car)) | |
393 | passed++; | |
394 | } | |
395 | } | |
396 | ||
f9898cc6 JB |
397 | /* Return the previous screen in the screen list before SCREEN. |
398 | If MINIBUF is non-nil, include all screens. | |
399 | If MINIBUF is nil, exclude minibuffer-only screens. | |
400 | If MINIBUF is a window, include only screens using that window for | |
401 | their minibuffer. */ | |
dc6f92b8 | 402 | Lisp_Object |
f9898cc6 | 403 | prev_screen (screen, minibuf) |
dc6f92b8 | 404 | Lisp_Object screen; |
f9898cc6 | 405 | Lisp_Object minibuf; |
dc6f92b8 JB |
406 | { |
407 | Lisp_Object tail; | |
408 | Lisp_Object prev; | |
409 | ||
f9898cc6 JB |
410 | /* There must always be at least one screen in Vscreen_list. */ |
411 | if (! CONSP (Vscreen_list)) | |
412 | abort (); | |
413 | ||
dc6f92b8 JB |
414 | prev = Qnil; |
415 | while (1) | |
f9898cc6 JB |
416 | { |
417 | for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
418 | { | |
419 | Lisp_Object scr = XCONS (tail)->car; | |
420 | ||
421 | if (XTYPE (scr) != Lisp_Screen) | |
422 | abort (); | |
423 | ||
265a9e55 | 424 | if (EQ (screen, scr) && !NILP (prev)) |
f9898cc6 JB |
425 | return prev; |
426 | ||
427 | /* Decide whether this screen is eligible to be returned, | |
428 | according to minibuf. */ | |
265a9e55 | 429 | if ((NILP (minibuf) && ! SCREEN_MINIBUF_ONLY_P (XSCREEN (scr))) |
f9898cc6 JB |
430 | || XTYPE (minibuf) != Lisp_Window |
431 | || EQ (SCREEN_MINIBUF_WINDOW (XSCREEN (scr)), minibuf)) | |
432 | prev = scr; | |
433 | } | |
434 | ||
265a9e55 | 435 | if (NILP (prev)) |
f9898cc6 JB |
436 | /* We went through the whole screen list without finding a single |
437 | acceptable screen. Return the original screen. */ | |
438 | prev = screen; | |
439 | } | |
440 | ||
dc6f92b8 JB |
441 | } |
442 | ||
f9898cc6 JB |
443 | DEFUN ("next-screen", Fnext_screen, Snext_screen, 0, 2, 0, |
444 | "Return the next screen in the screen list after SCREEN.\n\ | |
445 | If optional argument MINIBUF is non-nil, include all screens. If\n\ | |
446 | MINIBUF is nil or omitted, exclude minibuffer-only screens. If\n\ | |
447 | MINIBUF is a window, include only screens using that window for their\n\ | |
448 | minibuffer.") | |
dc6f92b8 JB |
449 | (screen, miniscreen) |
450 | Lisp_Object screen, miniscreen; | |
451 | { | |
452 | Lisp_Object tail; | |
453 | ||
265a9e55 | 454 | if (NILP (screen)) |
dc6f92b8 | 455 | XSET (screen, Lisp_Screen, selected_screen); |
f9898cc6 JB |
456 | else |
457 | CHECK_LIVE_SCREEN (screen, 0); | |
dc6f92b8 | 458 | |
f9898cc6 | 459 | return next_screen (screen, miniscreen); |
dc6f92b8 JB |
460 | } |
461 | #endif /* MULTI_SCREEN */ | |
462 | \f | |
f9898cc6 JB |
463 | DEFUN ("delete-screen", Fdelete_screen, Sdelete_screen, 0, 1, "", |
464 | "Delete SCREEN, permanently eliminating it from use.\n\ | |
465 | If omitted, SCREEN defaults to the selected screen.\n\ | |
466 | A screen may not be deleted if its minibuffer is used by other screens.") | |
dc6f92b8 JB |
467 | (screen) |
468 | Lisp_Object screen; | |
469 | { | |
470 | struct screen *s; | |
471 | union display displ; | |
472 | ||
473 | if (EQ (screen, Qnil)) | |
474 | { | |
475 | s = selected_screen; | |
476 | XSET (screen, Lisp_Screen, s); | |
477 | } | |
478 | else | |
479 | { | |
480 | CHECK_SCREEN (screen, 0); | |
481 | s = XSCREEN (screen); | |
482 | } | |
483 | ||
f9898cc6 JB |
484 | if (! SCREEN_LIVE_P (s)) |
485 | return; | |
486 | ||
d5e7c279 | 487 | /* Are there any other screens besides this one? */ |
f9898cc6 | 488 | if (s == selected_screen && EQ (next_screen (screen, Qt), screen)) |
d5e7c279 JB |
489 | error ("Attempt to delete the only screen"); |
490 | ||
491 | /* Does this screen have a minibuffer, and is it the surrogate | |
492 | minibuffer for any other screen? */ | |
f9898cc6 | 493 | if (SCREEN_HAS_MINIBUF (XSCREEN (screen))) |
dc6f92b8 | 494 | { |
d5e7c279 | 495 | Lisp_Object screen2; |
dc6f92b8 | 496 | |
d5e7c279 JB |
497 | for (screen2 = Vscreen_list; CONSP (2); screen2 = XCONS (screen2)->cdr) |
498 | if (! EQ (screen2, screen) | |
499 | && EQ (screen, | |
f9898cc6 JB |
500 | (WINDOW_SCREEN |
501 | (XWINDOW | |
502 | (SCREEN_MINIBUF_WINDOW | |
503 | (XSCREEN (screen2))))))) | |
d5e7c279 | 504 | error ("Attempt to delete a surrogate minibuffer screen"); |
dc6f92b8 JB |
505 | } |
506 | ||
d5e7c279 JB |
507 | /* Don't let the screen remain selected. */ |
508 | if (s == selected_screen) | |
f9898cc6 | 509 | Fselect_screen (next_screen (screen, Qt)); |
dc6f92b8 JB |
510 | |
511 | /* Don't allow minibuf_window to remain on a deleted screen. */ | |
512 | if (EQ (s->minibuffer_window, minibuf_window)) | |
513 | { | |
514 | Fset_window_buffer (selected_screen->minibuffer_window, | |
515 | XWINDOW (minibuf_window)->buffer); | |
516 | minibuf_window = selected_screen->minibuffer_window; | |
517 | } | |
518 | ||
519 | Vscreen_list = Fdelq (screen, Vscreen_list); | |
520 | s->visible = 0; | |
521 | displ = s->display; | |
522 | s->display.nothing = 0; | |
523 | ||
d5e7c279 | 524 | #ifdef HAVE_X_WINDOWS |
bc93c097 | 525 | if (SCREEN_IS_X (s)) |
dc6f92b8 | 526 | x_destroy_window (s, displ); |
d5e7c279 JB |
527 | #endif |
528 | ||
529 | /* If we've deleted the last_nonminibuf_screen, then try to find | |
530 | another one. */ | |
531 | if (s == last_nonminibuf_screen) | |
532 | { | |
533 | last_nonminibuf_screen = 0; | |
534 | ||
535 | for (screen = Vscreen_list; CONSP (screen); screen = XCONS (screen)->cdr) | |
536 | { | |
f9898cc6 JB |
537 | s = XSCREEN (XCONS (screen)->car); |
538 | if (!SCREEN_MINIBUF_ONLY_P (s)) | |
d5e7c279 JB |
539 | { |
540 | last_nonminibuf_screen = s; | |
541 | break; | |
542 | } | |
543 | } | |
544 | } | |
dc6f92b8 JB |
545 | |
546 | return Qnil; | |
547 | } | |
548 | \f | |
549 | /* Return mouse position in character cell units. */ | |
550 | ||
f9898cc6 JB |
551 | DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0, |
552 | "Return a list (SCREEN X . Y) giving the current mouse screen and position.\n\ | |
553 | If Emacs is running on a mouseless terminal or hasn't been programmed\n\ | |
554 | to read the mouse position, it returns the selected screen for SCREEN\n\ | |
555 | and nil for X and Y.") | |
556 | () | |
dc6f92b8 | 557 | { |
f9898cc6 JB |
558 | Lisp_Object x, y, dummy; |
559 | SCREEN_PTR s; | |
dc6f92b8 | 560 | |
f9898cc6 JB |
561 | if (mouse_position_hook) |
562 | (*mouse_position_hook) (&s, &x, &y, &dummy); | |
563 | else | |
564 | { | |
565 | s = selected_screen; | |
566 | x = y = Qnil; | |
567 | } | |
dc6f92b8 | 568 | |
f9898cc6 JB |
569 | XSET (dummy, Lisp_Screen, s); |
570 | return Fcons (dummy, Fcons (make_number (x), make_number (y))); | |
dc6f92b8 JB |
571 | } |
572 | ||
573 | DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0, | |
574 | "Move the mouse pointer to the center of cell (X,Y) in SCREEN.\n\ | |
575 | WARNING: If you use this under X, you should do unfocus-screen afterwards.") | |
576 | (screen, x, y) | |
577 | Lisp_Object screen, x, y; | |
578 | { | |
f9898cc6 | 579 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
580 | CHECK_NUMBER (x, 2); |
581 | CHECK_NUMBER (y, 1); | |
582 | ||
583 | #ifdef HAVE_X_WINDOWS | |
bc93c097 | 584 | if (SCREEN_IS_X (XSCREEN (screen))) |
dc6f92b8 JB |
585 | /* Warping the mouse will cause enternotify and focus events. */ |
586 | x_set_mouse_position (XSCREEN (screen), x, y); | |
587 | #endif | |
588 | ||
589 | return Qnil; | |
590 | } | |
591 | \f | |
592 | #if 0 | |
593 | /* ??? Can this be replaced with a Lisp function? | |
594 | It is used in minibuf.c. Can we get rid of that? */ | |
595 | ||
596 | DEFUN ("screen-configuration", Fscreen_configuration, Sscreen_configuration, | |
597 | 0, 0, 0, | |
598 | "Return object describing current screen configuration.\n\ | |
599 | The screen configuration is the current mouse position and selected screen.\n\ | |
600 | This object can be given to `restore-screen-configuration'\n\ | |
601 | to restore this screen configuration.") | |
602 | () | |
603 | { | |
f9898cc6 | 604 | Lisp_Object c, time; |
dc6f92b8 | 605 | |
f9898cc6 JB |
606 | c = Fmake_vector (make_number(4), Qnil); |
607 | XVECTOR (c)->contents[0] = Fselected_screen(); | |
608 | if (mouse_position_hook) | |
609 | (*mouse_position_hook) (&XVECTOR (c)->contents[1] | |
610 | &XVECTOR (c)->contents[2], | |
611 | &XVECTOR (c)->contents[3], | |
612 | &time); | |
dc6f92b8 JB |
613 | return c; |
614 | } | |
615 | ||
616 | DEFUN ("restore-screen-configuration", Frestore_screen_configuration, | |
617 | Srestore_screen_configuration, | |
618 | 1, 1, 0, | |
619 | "Restores screen configuration CONFIGURATION.") | |
620 | (config) | |
621 | Lisp_Object config; | |
622 | { | |
623 | Lisp_Object x_pos, y_pos, screen; | |
624 | ||
625 | CHECK_VECTOR (config, 0); | |
626 | if (XVECTOR (config)->size != 3) | |
627 | { | |
628 | error ("Wrong size vector passed to restore-screen-configuration"); | |
629 | } | |
630 | screen = XVECTOR (config)->contents[0]; | |
f9898cc6 | 631 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
632 | |
633 | Fselect_screen (screen, Qnil); | |
634 | ||
635 | #if 0 | |
636 | /* This seems to interfere with the screen selection mechanism. jla */ | |
f9898cc6 JB |
637 | x_pos = XVECTOR (config)->contents[2]; |
638 | y_pos = XVECTOR (config)->contents[3]; | |
dc6f92b8 JB |
639 | set_mouse_position (screen, XINT (x_pos), XINT (y_pos)); |
640 | #endif | |
641 | ||
642 | return screen; | |
643 | } | |
644 | #endif | |
645 | \f | |
646 | DEFUN ("make-screen-visible", Fmake_screen_visible, Smake_screen_visible, | |
647 | 1, 1, 0, | |
648 | "Make the screen SCREEN visible (assuming it is an X-window).\n\ | |
649 | Also raises the screen so that nothing obscures it.") | |
650 | (screen) | |
651 | Lisp_Object screen; | |
652 | { | |
f9898cc6 | 653 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 | 654 | |
bc93c097 | 655 | if (SCREEN_IS_X (XSCREEN (screen))) |
dc6f92b8 JB |
656 | x_make_screen_visible (XSCREEN (screen)); |
657 | ||
658 | return screen; | |
659 | } | |
660 | ||
661 | DEFUN ("make-screen-invisible", Fmake_screen_invisible, Smake_screen_invisible, | |
662 | 1, 1, 0, | |
663 | "Make the screen SCREEN invisible (assuming it is an X-window).") | |
664 | (screen) | |
665 | Lisp_Object screen; | |
666 | { | |
f9898cc6 | 667 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 | 668 | |
bc93c097 | 669 | if (SCREEN_IS_X (XSCREEN (screen))) |
dc6f92b8 JB |
670 | x_make_screen_invisible (XSCREEN (screen)); |
671 | ||
672 | return Qnil; | |
673 | } | |
674 | ||
675 | DEFUN ("iconify-screen", Ficonify_screen, Siconify_screen, | |
676 | 1, 1, 0, | |
677 | "Make the screen SCREEN into an icon.") | |
678 | (screen) | |
679 | Lisp_Object screen; | |
680 | { | |
f9898cc6 | 681 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 | 682 | |
bc93c097 | 683 | if (SCREEN_IS_X (XSCREEN (screen))) |
dc6f92b8 JB |
684 | x_iconify_screen (XSCREEN (screen)); |
685 | ||
686 | return Qnil; | |
687 | } | |
688 | ||
689 | DEFUN ("deiconify-screen", Fdeiconify_screen, Sdeiconify_screen, | |
690 | 1, 1, 0, | |
691 | "Open (de-iconify) the iconified screen SCREEN.") | |
692 | (screen) | |
693 | Lisp_Object screen; | |
694 | { | |
f9898cc6 | 695 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 | 696 | |
bc93c097 | 697 | if (SCREEN_IS_X (XSCREEN (screen))) |
dc6f92b8 JB |
698 | x_make_screen_visible (XSCREEN (screen)); |
699 | ||
700 | return screen; | |
701 | } | |
702 | ||
703 | DEFUN ("screen-visible-p", Fscreen_visible_p, Sscreen_visible_p, | |
704 | 1, 1, 0, | |
705 | "Return t if SCREEN is now \"visible\" (actually in use for display).\n\ | |
706 | A screen that is not \"visible\" is not updated and, if it works through\n\ | |
707 | a window system, it may not show at all.\n\ | |
708 | Return the symbol `icon' if window is visible only as an icon.") | |
709 | (screen) | |
710 | Lisp_Object screen; | |
711 | { | |
f9898cc6 | 712 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
713 | |
714 | if (XSCREEN (screen)->visible) | |
715 | return Qt; | |
716 | if (XSCREEN (screen)->iconified) | |
717 | return intern ("icon"); | |
718 | return Qnil; | |
719 | } | |
720 | ||
721 | DEFUN ("visible-screen-list", Fvisible_screen_list, Svisible_screen_list, | |
722 | 0, 0, 0, | |
723 | "Return a list of all screens now \"visible\" (being updated).") | |
724 | () | |
725 | { | |
726 | Lisp_Object tail, screen; | |
727 | struct screen *s; | |
728 | Lisp_Object value; | |
729 | ||
730 | value = Qnil; | |
731 | for (tail = Vscreen_list; CONSP (tail); tail = XCONS (tail)->cdr) | |
732 | { | |
733 | screen = XCONS (tail)->car; | |
734 | if (XTYPE (screen) != Lisp_Screen) | |
735 | continue; | |
736 | s = XSCREEN (screen); | |
737 | if (s->visible) | |
738 | value = Fcons (screen, value); | |
739 | } | |
740 | return value; | |
741 | } | |
d5e7c279 JB |
742 | |
743 | ||
744 | \f | |
745 | DEFUN ("redirect-screen-focus", Fredirect_screen_focus, Sredirect_screen_focus, | |
746 | 1, 2, 0, | |
747 | "Arrange for keystrokes typed at SCREEN to be sent to FOCUS-SCREEN.\n\ | |
748 | This means that, after reading a keystroke typed at SCREEN,\n\ | |
749 | last-event-screen will be FOCUS-SCREEN.\n\ | |
750 | \n\ | |
751 | If FOCUS-SCREEN is omitted or eq to SCREEN, any existing redirection is\n\ | |
752 | cancelled, and the screen again receives its own keystrokes.\n\ | |
753 | \n\ | |
754 | The redirection lasts until the next call to redirect-screen-focus\n\ | |
755 | or select-screen.\n\ | |
756 | \n\ | |
757 | This is useful for temporarily redirecting keystrokes to the minibuffer\n\ | |
758 | window when a screen doesn't have its own minibuffer.") | |
759 | (screen, focus_screen) | |
760 | Lisp_Object screen, focus_screen; | |
761 | { | |
f9898cc6 JB |
762 | CHECK_LIVE_SCREEN (screen, 0); |
763 | ||
265a9e55 | 764 | if (NILP (focus_screen)) |
d5e7c279 JB |
765 | focus_screen = screen; |
766 | else | |
f9898cc6 | 767 | CHECK_LIVE_SCREEN (focus_screen, 1); |
d5e7c279 JB |
768 | |
769 | XSCREEN (screen)->focus_screen = focus_screen; | |
770 | ||
771 | if (screen_rehighlight_hook) | |
772 | (*screen_rehighlight_hook) (); | |
773 | ||
774 | return Qnil; | |
775 | } | |
776 | ||
777 | ||
778 | DEFUN ("screen-focus", Fscreen_focus, Sscreen_focus, 1, 1, 0, | |
779 | "Return the screen to which SCREEN's keystrokes are currently being sent.\n\ | |
780 | See redirect-screen-focus.") | |
781 | (screen) | |
782 | Lisp_Object screen; | |
783 | { | |
f9898cc6 | 784 | CHECK_LIVE_SCREEN (screen, 0); |
d5e7c279 JB |
785 | return SCREEN_FOCUS_SCREEN (XSCREEN (screen)); |
786 | } | |
787 | ||
788 | ||
dc6f92b8 JB |
789 | \f |
790 | Lisp_Object | |
791 | get_screen_param (screen, prop) | |
792 | register struct screen *screen; | |
793 | Lisp_Object prop; | |
794 | { | |
795 | register Lisp_Object tem; | |
796 | ||
797 | tem = Fassq (prop, screen->param_alist); | |
798 | if (EQ (tem, Qnil)) | |
799 | return tem; | |
800 | return Fcdr (tem); | |
801 | } | |
802 | ||
803 | void | |
804 | store_in_alist (alistptr, propname, val) | |
805 | Lisp_Object *alistptr, val; | |
806 | char *propname; | |
807 | { | |
808 | register Lisp_Object tem; | |
809 | register Lisp_Object prop; | |
810 | ||
811 | prop = intern (propname); | |
812 | tem = Fassq (prop, *alistptr); | |
813 | if (EQ (tem, Qnil)) | |
814 | *alistptr = Fcons (Fcons (prop, val), *alistptr); | |
815 | else | |
816 | Fsetcdr (tem, val); | |
817 | } | |
818 | ||
819 | void | |
820 | store_screen_param (s, prop, val) | |
821 | struct screen *s; | |
822 | Lisp_Object prop, val; | |
823 | { | |
824 | register Lisp_Object tem; | |
825 | ||
826 | tem = Fassq (prop, s->param_alist); | |
827 | if (EQ (tem, Qnil)) | |
828 | s->param_alist = Fcons (Fcons (prop, val), s->param_alist); | |
829 | else | |
830 | Fsetcdr (tem, val); | |
bc93c097 JB |
831 | |
832 | if (EQ (prop, Qminibuffer) | |
833 | && XTYPE (val) == Lisp_Window) | |
834 | { | |
835 | if (! MINI_WINDOW_P (XWINDOW (val))) | |
836 | error ("Surrogate minibuffer windows must be minibuffer windows."); | |
837 | ||
838 | if (SCREEN_HAS_MINIBUF (s) || SCREEN_MINIBUF_ONLY_P (s)) | |
839 | error ("Can't change surrogate minibuffer on screens with their own minibuffers."); | |
840 | ||
841 | /* Install the chosen minibuffer window, with proper buffer. */ | |
842 | s->minibuffer_window = val; | |
843 | } | |
dc6f92b8 JB |
844 | } |
845 | ||
846 | DEFUN ("screen-parameters", Fscreen_parameters, Sscreen_parameters, 0, 1, 0, | |
847 | "Return the parameters-alist of screen SCREEN.\n\ | |
848 | It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.\n\ | |
849 | The meaningful PARMs depend on the kind of screen.") | |
850 | (screen) | |
851 | Lisp_Object screen; | |
852 | { | |
853 | Lisp_Object alist; | |
854 | struct screen *s; | |
855 | ||
856 | if (EQ (screen, Qnil)) | |
857 | s = selected_screen; | |
858 | else | |
859 | { | |
860 | CHECK_SCREEN (screen, 0); | |
861 | s = XSCREEN (screen); | |
862 | } | |
863 | ||
864 | if (s->display.nothing == 0) | |
865 | return Qnil; | |
866 | ||
867 | alist = Fcopy_alist (s->param_alist); | |
868 | store_in_alist (&alist, "name", s->name); | |
869 | store_in_alist (&alist, "height", make_number (s->height)); | |
870 | store_in_alist (&alist, "width", make_number (s->width)); | |
871 | store_in_alist (&alist, "modeline", (s->wants_modeline ? Qt : Qnil)); | |
f9898cc6 JB |
872 | store_in_alist (&alist, "minibuffer", |
873 | (SCREEN_HAS_MINIBUF (s) | |
874 | ? (SCREEN_MINIBUF_ONLY_P (s) ? intern ("only") : Qt) | |
bc93c097 | 875 | : SCREEN_MINIBUF_WINDOW (s))); |
dc6f92b8 JB |
876 | store_in_alist (&alist, "unsplittable", (s->no_split ? Qt : Qnil)); |
877 | ||
bc93c097 | 878 | if (SCREEN_IS_X (s)) |
dc6f92b8 JB |
879 | x_report_screen_params (s, &alist); |
880 | return alist; | |
881 | } | |
882 | ||
883 | DEFUN ("modify-screen-parameters", Fmodify_screen_parameters, | |
884 | Smodify_screen_parameters, 2, 2, 0, | |
885 | "Modify the parameters of screen SCREEN according to ALIST.\n\ | |
886 | ALIST is an alist of parameters to change and their new values.\n\ | |
887 | Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.\n\ | |
888 | The meaningful PARMs depend on the kind of screen; undefined PARMs are ignored.") | |
889 | (screen, alist) | |
890 | Lisp_Object screen, alist; | |
891 | { | |
892 | register struct screen *s; | |
893 | register Lisp_Object tail, elt, prop, val; | |
894 | ||
895 | if (EQ (screen, Qnil)) | |
896 | s = selected_screen; | |
897 | else | |
898 | { | |
f9898cc6 | 899 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
900 | s = XSCREEN (screen); |
901 | } | |
902 | ||
bc93c097 | 903 | if (SCREEN_IS_X (s)) |
dc6f92b8 JB |
904 | for (tail = alist; !EQ (tail, Qnil); tail = Fcdr (tail)) |
905 | { | |
906 | elt = Fcar (tail); | |
907 | prop = Fcar (elt); | |
908 | val = Fcdr (elt); | |
909 | x_set_screen_param (s, prop, val, | |
910 | get_screen_param (s, prop)); | |
911 | store_screen_param (s, prop, val); | |
912 | } | |
913 | ||
914 | return Qnil; | |
915 | } | |
916 | \f | |
917 | ||
918 | DEFUN ("screen-pixel-size", Fscreen_pixel_size, | |
919 | Sscreen_pixel_size, 1, 1, 0, | |
f9898cc6 | 920 | "Return a cons (width . height) of SCREEN's size in pixels.") |
dc6f92b8 JB |
921 | (screen) |
922 | Lisp_Object screen; | |
923 | { | |
924 | register struct screen *s; | |
925 | int width, height; | |
926 | ||
f9898cc6 | 927 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
928 | s = XSCREEN (screen); |
929 | ||
930 | return Fcons (make_number (x_pixel_width (s)), | |
931 | make_number (x_pixel_height (s))); | |
932 | } | |
933 | ||
934 | DEFUN ("screen-height", Fscreen_height, Sscreen_height, 0, 0, 0, | |
935 | "Return number of lines available for display on selected screen.") | |
936 | () | |
937 | { | |
938 | return make_number (SCREEN_HEIGHT (selected_screen)); | |
939 | } | |
940 | ||
941 | DEFUN ("screen-width", Fscreen_width, Sscreen_width, 0, 0, 0, | |
942 | "Return number of columns available for display on selected screen.") | |
943 | () | |
944 | { | |
945 | return make_number (SCREEN_WIDTH (selected_screen)); | |
946 | } | |
947 | ||
948 | DEFUN ("set-screen-height", Fset_screen_height, Sset_screen_height, 2, 3, 0, | |
949 | "Specify that the screen SCREEN has LINES lines.\n\ | |
950 | Optional third arg non-nil means that redisplay should use LINES lines\n\ | |
951 | but that the idea of the actual height of the screen should not be changed.") | |
952 | (screen, rows, pretend) | |
953 | Lisp_Object rows, pretend; | |
954 | { | |
955 | register struct screen *s; | |
956 | ||
957 | CHECK_NUMBER (rows, 0); | |
265a9e55 | 958 | if (NILP (screen)) |
dc6f92b8 JB |
959 | s = selected_screen; |
960 | else | |
961 | { | |
f9898cc6 | 962 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
963 | s = XSCREEN (screen); |
964 | } | |
965 | ||
bc93c097 | 966 | if (SCREEN_IS_X (s)) |
dc6f92b8 JB |
967 | { |
968 | if (XINT (rows) != s->width) | |
969 | x_set_window_size (s, s->width, XINT (rows)); | |
970 | } | |
971 | else | |
265a9e55 | 972 | change_screen_size (s, XINT (rows), 0, !NILP (pretend)); |
dc6f92b8 JB |
973 | return Qnil; |
974 | } | |
975 | ||
976 | DEFUN ("set-screen-width", Fset_screen_width, Sset_screen_width, 2, 3, 0, | |
977 | "Specify that the screen SCREEN has COLS columns.\n\ | |
978 | Optional third arg non-nil means that redisplay should use COLS columns\n\ | |
979 | but that the idea of the actual width of the screen should not be changed.") | |
980 | (screen, cols, pretend) | |
981 | Lisp_Object cols, pretend; | |
982 | { | |
983 | register struct screen *s; | |
984 | CHECK_NUMBER (cols, 0); | |
265a9e55 | 985 | if (NILP (screen)) |
dc6f92b8 JB |
986 | s = selected_screen; |
987 | else | |
988 | { | |
f9898cc6 | 989 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
990 | s = XSCREEN (screen); |
991 | } | |
992 | ||
bc93c097 | 993 | if (SCREEN_IS_X (s)) |
dc6f92b8 JB |
994 | { |
995 | if (XINT (cols) != s->width) | |
996 | x_set_window_size (s, XINT (cols), s->height); | |
997 | } | |
998 | else | |
265a9e55 | 999 | change_screen_size (selected_screen, 0, XINT (cols), !NILP (pretend)); |
dc6f92b8 JB |
1000 | return Qnil; |
1001 | } | |
1002 | ||
f9898cc6 | 1003 | DEFUN ("set-screen-size", Fset_screen_size, Sset_screen_size, 3, 3, 0, |
dc6f92b8 JB |
1004 | "Sets size of SCREEN to COLS by ROWS, measured in characters.") |
1005 | (screen, cols, rows) | |
1006 | Lisp_Object screen, cols, rows; | |
1007 | { | |
1008 | register struct screen *s; | |
1009 | int mask; | |
1010 | ||
f9898cc6 | 1011 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
1012 | CHECK_NUMBER (cols, 2); |
1013 | CHECK_NUMBER (rows, 1); | |
1014 | s = XSCREEN (screen); | |
1015 | ||
bc93c097 | 1016 | if (SCREEN_IS_X (s)) |
dc6f92b8 JB |
1017 | { |
1018 | if (XINT (rows) != s->height || XINT (cols) != s->width) | |
1019 | x_set_window_size (s, XINT (cols), XINT (rows)); | |
1020 | } | |
1021 | else | |
1022 | change_screen_size (s, XINT (rows), XINT (cols), 0); | |
1023 | ||
1024 | return Qnil; | |
1025 | } | |
1026 | ||
1027 | DEFUN ("set-screen-position", Fset_screen_position, | |
1028 | Sset_screen_position, 3, 3, 0, | |
f9898cc6 JB |
1029 | "Sets position of SCREEN in pixels to XOFFSET by YOFFSET.\n\ |
1030 | If XOFFSET or YOFFSET are negative, they are interpreted relative to\n\ | |
1031 | the leftmost or bottommost position SCREEN could occupy without going\n\ | |
1032 | off the screen.") | |
dc6f92b8 JB |
1033 | (screen, xoffset, yoffset) |
1034 | Lisp_Object screen, xoffset, yoffset; | |
1035 | { | |
1036 | register struct screen *s; | |
1037 | int mask; | |
1038 | ||
f9898cc6 | 1039 | CHECK_LIVE_SCREEN (screen, 0); |
dc6f92b8 JB |
1040 | CHECK_NUMBER (xoffset, 1); |
1041 | CHECK_NUMBER (yoffset, 2); | |
1042 | s = XSCREEN (screen); | |
1043 | ||
bc93c097 | 1044 | if (SCREEN_IS_X (s)) |
dc6f92b8 JB |
1045 | x_set_offset (s, XINT (xoffset), XINT (yoffset)); |
1046 | ||
1047 | return Qt; | |
1048 | } | |
1049 | \f | |
dc6f92b8 JB |
1050 | #ifndef HAVE_X11 |
1051 | DEFUN ("rubber-band-rectangle", Frubber_band_rectangle, Srubber_band_rectangle, | |
1052 | 3, 3, "", | |
1053 | "Ask user to specify a window position and size on SCREEN with the mouse.\n\ | |
1054 | Arguments are SCREEN, NAME and GEO. NAME is a name to be displayed as\n\ | |
1055 | the purpose of this rectangle. GEO is an X-windows size spec that can\n\ | |
1056 | specify defaults for some sizes/positions. If GEO specifies everything,\n\ | |
1057 | the mouse is not used.\n\ | |
1058 | Returns a list of five values: (SCREEN LEFT TOP WIDTH HEIGHT).") | |
1059 | (screen, name, geo) | |
1060 | Lisp_Object screen; | |
1061 | Lisp_Object name; | |
1062 | Lisp_Object geo; | |
1063 | { | |
1064 | int vals[4]; | |
1065 | Lisp_Object nums[4]; | |
1066 | int i; | |
1067 | ||
1068 | CHECK_SCREEN (screen, 0); | |
1069 | CHECK_STRING (name, 1); | |
1070 | CHECK_STRING (geo, 2); | |
1071 | ||
1072 | switch (XSCREEN (screen)->output_method) | |
1073 | { | |
1074 | case output_x_window: | |
1075 | x_rubber_band (XSCREEN (screen), &vals[0], &vals[1], &vals[2], &vals[3], | |
1076 | XSTRING (geo)->data, XSTRING (name)->data); | |
1077 | break; | |
1078 | ||
1079 | default: | |
1080 | return Qnil; | |
1081 | } | |
1082 | ||
1083 | for (i = 0; i < 4; i++) | |
1084 | XFASTINT (nums[i]) = vals[i]; | |
1085 | return Fcons (screen, Flist (4, nums)); | |
1086 | return Qnil; | |
1087 | } | |
1088 | #endif /* not HAVE_X11 */ | |
1089 | \f | |
1090 | choose_minibuf_screen () | |
1091 | { | |
1092 | /* For lowest-level minibuf, put it on currently selected screen | |
1093 | if screen has a minibuffer. */ | |
1094 | if (minibuf_level == 0 | |
1095 | && selected_screen != 0 | |
1096 | && !EQ (minibuf_window, selected_screen->minibuffer_window) | |
1097 | && !EQ (Qnil, selected_screen->minibuffer_window)) | |
1098 | { | |
1099 | Fset_window_buffer (selected_screen->minibuffer_window, | |
1100 | XWINDOW (minibuf_window)->buffer); | |
1101 | minibuf_window = selected_screen->minibuffer_window; | |
1102 | } | |
1103 | } | |
1104 | \f | |
1105 | syms_of_screen () | |
1106 | { | |
1107 | Qscreenp = intern ("screenp"); | |
f9898cc6 | 1108 | Qlive_screen_p = intern ("live_screen_p"); |
bc93c097 | 1109 | Qminibuffer = intern ("minibuffer"); |
f9898cc6 JB |
1110 | |
1111 | staticpro (&Qscreenp); | |
1112 | staticpro (&Qlive_screen_p); | |
bc93c097 | 1113 | staticpro (&Qminibuffer); |
dc6f92b8 JB |
1114 | |
1115 | staticpro (&Vscreen_list); | |
1116 | ||
1117 | DEFVAR_LISP ("terminal-screen", &Vterminal_screen, | |
1118 | "The initial screen-object, which represents Emacs's stdout."); | |
1119 | ||
1120 | DEFVAR_LISP ("emacs-iconified", &Vemacs_iconified, | |
f9898cc6 | 1121 | "Non-nil if all of emacs is iconified and screen updates are not needed."); |
dc6f92b8 JB |
1122 | Vemacs_iconified = Qnil; |
1123 | ||
f9898cc6 JB |
1124 | DEFVAR_LISP ("default-minibuffer-screen", &Vdefault_minibuffer_screen, |
1125 | "Minibufferless screens use this screen's minibuffer.\n\ | |
1126 | \n\ | |
1127 | Emacs cannot create minibufferless screens unless this is set to an\n\ | |
1128 | appropriate surrogate.\n\ | |
1129 | \n\ | |
1130 | Emacs consults this variable only when creating minibufferless\n\ | |
1131 | screens; once the screen is created, it sticks with its assigned\n\ | |
1132 | minibuffer, no matter what this variable is set to. This means that\n\ | |
1133 | this variable doesn't necessarily say anything meaningful about the\n\ | |
1134 | current set of screens, or where the minibuffer is currently being\n\ | |
1135 | displayed."); | |
1136 | Vdefault_minibuffer_screen = Qnil; | |
dc6f92b8 | 1137 | |
5bce042c JB |
1138 | DEFVAR_LISP ("default-screen-alist", &Vdefault_screen_alist, |
1139 | "Alist of default values for screen creation.\n\ | |
1140 | These may be set in your init file, like this:\n\ | |
1141 | (setq default-screen-alist '((width . 80) (height . 55)))\n\ | |
1142 | These override values given in window system configuration data, like\n\ | |
1143 | X Windows' defaults database.\n\ | |
1144 | For values specific to the first emacs screen, see initial-screen-alist.\n\ | |
1145 | For values specific to the separate minibuffer screen, see\n\ | |
1146 | minibuffer-screen-alist."); | |
1147 | Vdefault_screen_alist = Qnil; | |
1148 | ||
dc6f92b8 | 1149 | defsubr (&Sscreenp); |
f9898cc6 | 1150 | defsubr (&Slive_screen_p); |
dc6f92b8 JB |
1151 | defsubr (&Sselect_screen); |
1152 | defsubr (&Sselected_screen); | |
1153 | defsubr (&Swindow_screen); | |
1154 | defsubr (&Sscreen_root_window); | |
1155 | defsubr (&Sscreen_selected_window); | |
1156 | defsubr (&Sscreen_list); | |
1157 | defsubr (&Snext_screen); | |
1158 | defsubr (&Sdelete_screen); | |
f9898cc6 | 1159 | defsubr (&Smouse_position); |
dc6f92b8 JB |
1160 | defsubr (&Sset_mouse_position); |
1161 | #if 0 | |
1162 | defsubr (&Sscreen_configuration); | |
1163 | defsubr (&Srestore_screen_configuration); | |
1164 | #endif | |
1165 | defsubr (&Smake_screen_visible); | |
1166 | defsubr (&Smake_screen_invisible); | |
1167 | defsubr (&Siconify_screen); | |
1168 | defsubr (&Sdeiconify_screen); | |
1169 | defsubr (&Sscreen_visible_p); | |
1170 | defsubr (&Svisible_screen_list); | |
d5e7c279 JB |
1171 | defsubr (&Sredirect_screen_focus); |
1172 | defsubr (&Sscreen_focus); | |
dc6f92b8 JB |
1173 | defsubr (&Sscreen_parameters); |
1174 | defsubr (&Smodify_screen_parameters); | |
1175 | defsubr (&Sscreen_pixel_size); | |
1176 | defsubr (&Sscreen_height); | |
1177 | defsubr (&Sscreen_width); | |
1178 | defsubr (&Sset_screen_height); | |
1179 | defsubr (&Sset_screen_width); | |
1180 | defsubr (&Sset_screen_size); | |
1181 | defsubr (&Sset_screen_position); | |
dc6f92b8 JB |
1182 | #ifndef HAVE_X11 |
1183 | defsubr (&Srubber_band_rectangle); | |
1184 | #endif /* HAVE_X11 */ | |
1185 | } |