(x_get_resource_string): Re-add for non-toolkit builds (bug#4461).
[bpt/emacs.git] / src / frame.c
1 /* Generic frame functions.
2 Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
4
5 This file is part of GNU Emacs.
6
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
19
20 #include <config.h>
21
22 #include <stdio.h>
23 #include <ctype.h>
24 #include "lisp.h"
25 #include "character.h"
26 #ifdef HAVE_X_WINDOWS
27 #include "xterm.h"
28 #endif
29 #ifdef WINDOWSNT
30 #include "w32term.h"
31 #endif
32 #ifdef HAVE_NS
33 #include "nsterm.h"
34 #endif
35 #include "buffer.h"
36 /* These help us bind and responding to switch-frame events. */
37 #include "commands.h"
38 #include "keyboard.h"
39 #include "frame.h"
40 #include "blockinput.h"
41 #include "termchar.h"
42 #include "termhooks.h"
43 #include "dispextern.h"
44 #include "window.h"
45 #ifdef HAVE_WINDOW_SYSTEM
46 #include "font.h"
47 #include "fontset.h"
48 #endif
49 #ifdef MSDOS
50 #include "msdos.h"
51 #include "dosfns.h"
52 #endif
53
54
55 /* If we shall make pointer invisible when typing or not. */
56 Lisp_Object Vmake_pointer_invisible;
57
58 #ifdef HAVE_WINDOW_SYSTEM
59
60 /* The name we're using in resource queries. Most often "emacs". */
61
62 Lisp_Object Vx_resource_name;
63
64 /* The application class we're using in resource queries.
65 Normally "Emacs". */
66
67 Lisp_Object Vx_resource_class;
68
69 /* Lower limit value of the frame opacity (alpha transparency). */
70
71 Lisp_Object Vframe_alpha_lower_limit;
72
73 #endif
74
75 #ifdef HAVE_NS
76 Lisp_Object Qns_parse_geometry;
77 #endif
78
79 Lisp_Object Qframep, Qframe_live_p;
80 Lisp_Object Qicon, Qmodeline;
81 Lisp_Object Qonly;
82 Lisp_Object Qx, Qw32, Qmac, Qpc, Qns;
83 Lisp_Object Qvisible;
84 Lisp_Object Qdisplay_type;
85 Lisp_Object Qbackground_mode;
86 Lisp_Object Qnoelisp;
87
88 Lisp_Object Qx_frame_parameter;
89 Lisp_Object Qx_resource_name;
90 Lisp_Object Qterminal;
91 Lisp_Object Qterminal_live_p;
92
93 /* Frame parameters (set or reported). */
94
95 Lisp_Object Qauto_raise, Qauto_lower;
96 Lisp_Object Qborder_color, Qborder_width;
97 Lisp_Object Qcursor_color, Qcursor_type;
98 Lisp_Object Qgeometry; /* Not used */
99 Lisp_Object Qheight, Qwidth;
100 Lisp_Object Qleft, Qright;
101 Lisp_Object Qicon_left, Qicon_top, Qicon_type, Qicon_name;
102 Lisp_Object Qinternal_border_width;
103 Lisp_Object Qmouse_color;
104 Lisp_Object Qminibuffer;
105 Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
106 Lisp_Object Qvisibility;
107 Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
108 Lisp_Object Qscreen_gamma;
109 Lisp_Object Qline_spacing;
110 Lisp_Object Quser_position, Quser_size;
111 Lisp_Object Qwait_for_wm;
112 Lisp_Object Qwindow_id;
113 #ifdef HAVE_X_WINDOWS
114 Lisp_Object Qouter_window_id;
115 #endif
116 Lisp_Object Qparent_id;
117 Lisp_Object Qtitle, Qname;
118 Lisp_Object Qexplicit_name;
119 Lisp_Object Qunsplittable;
120 Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
121 Lisp_Object Qleft_fringe, Qright_fringe;
122 Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
123 Lisp_Object Qtty_color_mode;
124 Lisp_Object Qtty, Qtty_type;
125
126 Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth, Qmaximized;
127 Lisp_Object Qsticky;
128 Lisp_Object Qfont_backend;
129 Lisp_Object Qalpha;
130
131 Lisp_Object Qface_set_after_frame_default;
132
133 Lisp_Object Vterminal_frame;
134 Lisp_Object Vdefault_frame_alist;
135 Lisp_Object Vdefault_frame_scroll_bars;
136 Lisp_Object Vmouse_position_function;
137 Lisp_Object Vmouse_highlight;
138 static Lisp_Object Vdelete_frame_functions, Qdelete_frame_functions;
139
140 int focus_follows_mouse;
141 \f
142 static void
143 set_menu_bar_lines_1 (window, n)
144 Lisp_Object window;
145 int n;
146 {
147 struct window *w = XWINDOW (window);
148
149 XSETFASTINT (w->last_modified, 0);
150 XSETFASTINT (w->top_line, XFASTINT (w->top_line) + n);
151 XSETFASTINT (w->total_lines, XFASTINT (w->total_lines) - n);
152
153 if (INTEGERP (w->orig_top_line))
154 XSETFASTINT (w->orig_top_line, XFASTINT (w->orig_top_line) + n);
155 if (INTEGERP (w->orig_total_lines))
156 XSETFASTINT (w->orig_total_lines, XFASTINT (w->orig_total_lines) - n);
157
158 /* Handle just the top child in a vertical split. */
159 if (!NILP (w->vchild))
160 set_menu_bar_lines_1 (w->vchild, n);
161
162 /* Adjust all children in a horizontal split. */
163 for (window = w->hchild; !NILP (window); window = w->next)
164 {
165 w = XWINDOW (window);
166 set_menu_bar_lines_1 (window, n);
167 }
168 }
169
170 void
171 set_menu_bar_lines (f, value, oldval)
172 struct frame *f;
173 Lisp_Object value, oldval;
174 {
175 int nlines;
176 int olines = FRAME_MENU_BAR_LINES (f);
177
178 /* Right now, menu bars don't work properly in minibuf-only frames;
179 most of the commands try to apply themselves to the minibuffer
180 frame itself, and get an error because you can't switch buffers
181 in or split the minibuffer window. */
182 if (FRAME_MINIBUF_ONLY_P (f))
183 return;
184
185 if (INTEGERP (value))
186 nlines = XINT (value);
187 else
188 nlines = 0;
189
190 if (nlines != olines)
191 {
192 windows_or_buffers_changed++;
193 FRAME_WINDOW_SIZES_CHANGED (f) = 1;
194 FRAME_MENU_BAR_LINES (f) = nlines;
195 set_menu_bar_lines_1 (f->root_window, nlines - olines);
196 adjust_glyphs (f);
197 }
198 }
199 \f
200 Lisp_Object Vframe_list;
201
202 extern Lisp_Object Vminibuffer_list;
203 extern Lisp_Object get_minibuffer ();
204 extern Lisp_Object Fhandle_switch_frame ();
205 extern Lisp_Object Fredirect_frame_focus ();
206 extern Lisp_Object x_get_focus_frame ();
207 \f
208 DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
209 doc: /* Return non-nil if OBJECT is a frame.
210 Value is t for a termcap frame (a character-only terminal),
211 `x' for an Emacs frame that is really an X window,
212 `w32' for an Emacs frame that is a window on MS-Windows display,
213 `ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
214 `pc' for a direct-write MS-DOS frame.
215 See also `frame-live-p'. */)
216 (object)
217 Lisp_Object object;
218 {
219 if (!FRAMEP (object))
220 return Qnil;
221 switch (XFRAME (object)->output_method)
222 {
223 case output_initial: /* The initial frame is like a termcap frame. */
224 case output_termcap:
225 return Qt;
226 case output_x_window:
227 return Qx;
228 case output_w32:
229 return Qw32;
230 case output_msdos_raw:
231 return Qpc;
232 case output_mac:
233 return Qmac;
234 case output_ns:
235 return Qns;
236 default:
237 abort ();
238 }
239 }
240
241 DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0,
242 doc: /* Return non-nil if OBJECT is a frame which has not been deleted.
243 Value is nil if OBJECT is not a live frame. If object is a live
244 frame, the return value indicates what sort of terminal device it is
245 displayed on. See the documentation of `framep' for possible
246 return values. */)
247 (object)
248 Lisp_Object object;
249 {
250 return ((FRAMEP (object)
251 && FRAME_LIVE_P (XFRAME (object)))
252 ? Fframep (object)
253 : Qnil);
254 }
255
256 DEFUN ("window-system", Fwindow_system, Swindow_system, 0, 1, 0,
257 doc: /* The name of the window system that FRAME is displaying through.
258 The value is a symbol---for instance, 'x' for X windows.
259 The value is nil if Emacs is using a text-only terminal.
260
261 FRAME defaults to the currently selected frame. */)
262 (frame)
263 Lisp_Object frame;
264 {
265 Lisp_Object type;
266 if (NILP (frame))
267 frame = selected_frame;
268
269 type = Fframep (frame);
270
271 if (NILP (type))
272 wrong_type_argument (Qframep, frame);
273
274 if (EQ (type, Qt))
275 return Qnil;
276 else
277 return type;
278 }
279
280 struct frame *
281 make_frame (mini_p)
282 int mini_p;
283 {
284 Lisp_Object frame;
285 register struct frame *f;
286 register Lisp_Object root_window;
287 register Lisp_Object mini_window;
288
289 f = allocate_frame ();
290 XSETFRAME (frame, f);
291
292 f->desired_matrix = 0;
293 f->current_matrix = 0;
294 f->desired_pool = 0;
295 f->current_pool = 0;
296 f->glyphs_initialized_p = 0;
297 f->decode_mode_spec_buffer = 0;
298 f->visible = 0;
299 f->async_visible = 0;
300 f->output_data.nothing = 0;
301 f->iconified = 0;
302 f->async_iconified = 0;
303 f->wants_modeline = 1;
304 f->auto_raise = 0;
305 f->auto_lower = 0;
306 f->no_split = 0;
307 f->garbaged = 1;
308 f->has_minibuffer = mini_p;
309 f->focus_frame = Qnil;
310 f->explicit_name = 0;
311 f->can_have_scroll_bars = 0;
312 f->vertical_scroll_bar_type = vertical_scroll_bar_none;
313 f->param_alist = Qnil;
314 f->scroll_bars = Qnil;
315 f->condemned_scroll_bars = Qnil;
316 f->face_alist = Qnil;
317 f->face_cache = NULL;
318 f->menu_bar_items = Qnil;
319 f->menu_bar_vector = Qnil;
320 f->menu_bar_items_used = 0;
321 f->buffer_predicate = Qnil;
322 f->buffer_list = Qnil;
323 f->buried_buffer_list = Qnil;
324 f->namebuf = 0;
325 f->title = Qnil;
326 f->menu_bar_window = Qnil;
327 f->tool_bar_window = Qnil;
328 f->tool_bar_items = Qnil;
329 f->desired_tool_bar_string = f->current_tool_bar_string = Qnil;
330 f->n_tool_bar_items = 0;
331 f->left_fringe_width = f->right_fringe_width = 0;
332 f->fringe_cols = 0;
333 f->scroll_bar_actual_width = 0;
334 f->border_width = 0;
335 f->internal_border_width = 0;
336 f->column_width = 1; /* !FRAME_WINDOW_P value */
337 f->line_height = 1; /* !FRAME_WINDOW_P value */
338 f->x_pixels_diff = f->y_pixels_diff = 0;
339 #ifdef HAVE_WINDOW_SYSTEM
340 f->want_fullscreen = FULLSCREEN_NONE;
341 #endif
342 f->size_hint_flags = 0;
343 f->win_gravity = 0;
344 f->font_driver_list = NULL;
345 f->font_data_list = NULL;
346
347 root_window = make_window ();
348 if (mini_p)
349 {
350 mini_window = make_window ();
351 XWINDOW (root_window)->next = mini_window;
352 XWINDOW (mini_window)->prev = root_window;
353 XWINDOW (mini_window)->mini_p = Qt;
354 XWINDOW (mini_window)->frame = frame;
355 f->minibuffer_window = mini_window;
356 }
357 else
358 {
359 mini_window = Qnil;
360 XWINDOW (root_window)->next = Qnil;
361 f->minibuffer_window = Qnil;
362 }
363
364 XWINDOW (root_window)->frame = frame;
365
366 /* 10 is arbitrary,
367 just so that there is "something there."
368 Correct size will be set up later with change_frame_size. */
369
370 SET_FRAME_COLS (f, 10);
371 FRAME_LINES (f) = 10;
372
373 XSETFASTINT (XWINDOW (root_window)->total_cols, 10);
374 XSETFASTINT (XWINDOW (root_window)->total_lines, (mini_p ? 9 : 10));
375
376 if (mini_p)
377 {
378 XSETFASTINT (XWINDOW (mini_window)->total_cols, 10);
379 XSETFASTINT (XWINDOW (mini_window)->top_line, 9);
380 XSETFASTINT (XWINDOW (mini_window)->total_lines, 1);
381 }
382
383 /* Choose a buffer for the frame's root window. */
384 {
385 Lisp_Object buf;
386
387 XWINDOW (root_window)->buffer = Qt;
388 buf = Fcurrent_buffer ();
389 /* If buf is a 'hidden' buffer (i.e. one whose name starts with
390 a space), try to find another one. */
391 if (SREF (Fbuffer_name (buf), 0) == ' ')
392 buf = Fother_buffer (buf, Qnil, Qnil);
393
394 /* Use set_window_buffer, not Fset_window_buffer, and don't let
395 hooks be run by it. The reason is that the whole frame/window
396 arrangement is not yet fully intialized at this point. Windows
397 don't have the right size, glyph matrices aren't initialized
398 etc. Running Lisp functions at this point surely ends in a
399 SEGV. */
400 set_window_buffer (root_window, buf, 0, 0);
401 f->buffer_list = Fcons (buf, Qnil);
402 }
403
404 if (mini_p)
405 {
406 XWINDOW (mini_window)->buffer = Qt;
407 set_window_buffer (mini_window,
408 (NILP (Vminibuffer_list)
409 ? get_minibuffer (0)
410 : Fcar (Vminibuffer_list)),
411 0, 0);
412 }
413
414 f->root_window = root_window;
415 f->selected_window = root_window;
416 /* Make sure this window seems more recently used than
417 a newly-created, never-selected window. */
418 ++window_select_count;
419 XSETFASTINT (XWINDOW (f->selected_window)->use_time, window_select_count);
420
421 f->default_face_done_p = 0;
422
423 return f;
424 }
425 \f
426 #ifdef HAVE_WINDOW_SYSTEM
427 /* Make a frame using a separate minibuffer window on another frame.
428 MINI_WINDOW is the minibuffer window to use. nil means use the
429 default (the global minibuffer). */
430
431 struct frame *
432 make_frame_without_minibuffer (mini_window, kb, display)
433 register Lisp_Object mini_window;
434 KBOARD *kb;
435 Lisp_Object display;
436 {
437 register struct frame *f;
438 struct gcpro gcpro1;
439
440 if (!NILP (mini_window))
441 CHECK_LIVE_WINDOW (mini_window);
442
443 if (!NILP (mini_window)
444 && FRAME_KBOARD (XFRAME (XWINDOW (mini_window)->frame)) != kb)
445 error ("Frame and minibuffer must be on the same terminal");
446
447 /* Make a frame containing just a root window. */
448 f = make_frame (0);
449
450 if (NILP (mini_window))
451 {
452 /* Use default-minibuffer-frame if possible. */
453 if (!FRAMEP (kb->Vdefault_minibuffer_frame)
454 || ! FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame)))
455 {
456 Lisp_Object frame_dummy;
457
458 XSETFRAME (frame_dummy, f);
459 GCPRO1 (frame_dummy);
460 /* If there's no minibuffer frame to use, create one. */
461 kb->Vdefault_minibuffer_frame =
462 call1 (intern ("make-initial-minibuffer-frame"), display);
463 UNGCPRO;
464 }
465
466 mini_window = XFRAME (kb->Vdefault_minibuffer_frame)->minibuffer_window;
467 }
468
469 f->minibuffer_window = mini_window;
470
471 /* Make the chosen minibuffer window display the proper minibuffer,
472 unless it is already showing a minibuffer. */
473 if (NILP (Fmemq (XWINDOW (mini_window)->buffer, Vminibuffer_list)))
474 Fset_window_buffer (mini_window,
475 (NILP (Vminibuffer_list)
476 ? get_minibuffer (0)
477 : Fcar (Vminibuffer_list)), Qnil);
478 return f;
479 }
480
481 /* Make a frame containing only a minibuffer window. */
482
483 struct frame *
484 make_minibuffer_frame ()
485 {
486 /* First make a frame containing just a root window, no minibuffer. */
487
488 register struct frame *f = make_frame (0);
489 register Lisp_Object mini_window;
490 register Lisp_Object frame;
491
492 XSETFRAME (frame, f);
493
494 f->auto_raise = 0;
495 f->auto_lower = 0;
496 f->no_split = 1;
497 f->wants_modeline = 0;
498 f->has_minibuffer = 1;
499
500 /* Now label the root window as also being the minibuffer.
501 Avoid infinite looping on the window chain by marking next pointer
502 as nil. */
503
504 mini_window = f->minibuffer_window = f->root_window;
505 XWINDOW (mini_window)->mini_p = Qt;
506 XWINDOW (mini_window)->next = Qnil;
507 XWINDOW (mini_window)->prev = Qnil;
508 XWINDOW (mini_window)->frame = frame;
509
510 /* Put the proper buffer in that window. */
511
512 Fset_window_buffer (mini_window,
513 (NILP (Vminibuffer_list)
514 ? get_minibuffer (0)
515 : Fcar (Vminibuffer_list)), Qnil);
516 return f;
517 }
518 #endif /* HAVE_WINDOW_SYSTEM */
519 \f
520 /* Construct a frame that refers to a terminal. */
521
522 static int tty_frame_count;
523
524 struct frame *
525 make_initial_frame (void)
526 {
527 struct frame *f;
528 struct terminal *terminal;
529 Lisp_Object frame;
530
531 eassert (initial_kboard);
532
533 /* The first call must initialize Vframe_list. */
534 if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
535 Vframe_list = Qnil;
536
537 terminal = init_initial_terminal ();
538
539 f = make_frame (1);
540 XSETFRAME (frame, f);
541
542 Vframe_list = Fcons (frame, Vframe_list);
543
544 tty_frame_count = 1;
545 f->name = build_string ("F1");
546
547 f->visible = 1;
548 f->async_visible = 1;
549
550 f->output_method = terminal->type;
551 f->terminal = terminal;
552 f->terminal->reference_count++;
553 f->output_data.nothing = 0;
554
555 FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
556 FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
557
558 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
559 FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
560
561 #ifdef CANNOT_DUMP
562 if (!noninteractive)
563 init_frame_faces (f);
564 #endif
565
566 return f;
567 }
568
569
570 struct frame *
571 make_terminal_frame (struct terminal *terminal)
572 {
573 register struct frame *f;
574 Lisp_Object frame;
575 char name[20];
576
577 if (!terminal->name)
578 error ("Terminal is not live, can't create new frames on it");
579
580 f = make_frame (1);
581
582 XSETFRAME (frame, f);
583 Vframe_list = Fcons (frame, Vframe_list);
584
585 tty_frame_count++;
586 sprintf (name, "F%d", tty_frame_count);
587 f->name = build_string (name);
588
589 f->visible = 1; /* FRAME_SET_VISIBLE wd set frame_garbaged. */
590 f->async_visible = 1; /* Don't let visible be cleared later. */
591 f->terminal = terminal;
592 f->terminal->reference_count++;
593 #ifdef MSDOS
594 f->output_data.tty->display_info = &the_only_display_info;
595 if (!inhibit_window_system
596 && (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame))
597 || XFRAME (selected_frame)->output_method == output_msdos_raw))
598 f->output_method = output_msdos_raw;
599 else
600 f->output_method = output_termcap;
601 #else /* not MSDOS */
602 f->output_method = output_termcap;
603 create_tty_output (f);
604 FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
605 FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
606 #endif /* not MSDOS */
607
608 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
609 FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
610
611 /* Set the top frame to the newly created frame. */
612 if (FRAMEP (FRAME_TTY (f)->top_frame)
613 && FRAME_LIVE_P (XFRAME (FRAME_TTY (f)->top_frame)))
614 XFRAME (FRAME_TTY (f)->top_frame)->async_visible = 2; /* obscured */
615
616 FRAME_TTY (f)->top_frame = frame;
617
618 if (!noninteractive)
619 init_frame_faces (f);
620
621 return f;
622 }
623
624 /* Get a suitable value for frame parameter PARAMETER for a newly
625 created frame, based on (1) the user-supplied frame parameter
626 alist SUPPLIED_PARMS, (2) CURRENT_VALUE, and finally, if all else
627 fails, (3) Vdefault_frame_alist. */
628
629 static Lisp_Object
630 get_future_frame_param (Lisp_Object parameter,
631 Lisp_Object supplied_parms,
632 char *current_value)
633 {
634 Lisp_Object result;
635
636 result = Fassq (parameter, supplied_parms);
637 if (NILP (result))
638 result = Fassq (parameter, XFRAME (selected_frame)->param_alist);
639 if (NILP (result) && current_value != NULL)
640 result = build_string (current_value);
641 if (NILP (result))
642 result = Fassq (parameter, Vdefault_frame_alist);
643 if (!NILP (result) && !STRINGP (result))
644 result = XCDR (result);
645 if (NILP (result) || !STRINGP (result))
646 result = Qnil;
647
648 return result;
649 }
650
651 DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame,
652 1, 1, 0,
653 doc: /* Create an additional terminal frame, possibly on another terminal.
654 This function takes one argument, an alist specifying frame parameters.
655
656 You can create multiple frames on a single text-only terminal, but
657 only one of them (the selected terminal frame) is actually displayed.
658
659 In practice, generally you don't need to specify any parameters,
660 except when you want to create a new frame on another terminal.
661 In that case, the `tty' parameter specifies the device file to open,
662 and the `tty-type' parameter specifies the terminal type. Example:
663
664 (make-terminal-frame '((tty . "/dev/pts/5") (tty-type . "xterm")))
665
666 Note that changing the size of one terminal frame automatically
667 affects all frames on the same terminal device. */)
668 (parms)
669 Lisp_Object parms;
670 {
671 struct frame *f;
672 struct terminal *t = NULL;
673 Lisp_Object frame, tem;
674 struct frame *sf = SELECTED_FRAME ();
675
676 #ifdef MSDOS
677 if (sf->output_method != output_msdos_raw
678 && sf->output_method != output_termcap)
679 abort ();
680 #else /* not MSDOS */
681
682 #ifdef WINDOWSNT /* This should work now! */
683 if (sf->output_method != output_termcap)
684 error ("Not using an ASCII terminal now; cannot make a new ASCII frame");
685 #endif
686 #endif /* not MSDOS */
687
688 {
689 Lisp_Object terminal;
690
691 terminal = Fassq (Qterminal, parms);
692 if (!NILP (terminal))
693 {
694 terminal = XCDR (terminal);
695 t = get_terminal (terminal, 1);
696 }
697 #ifdef MSDOS
698 if (t && t != the_only_display_info.terminal)
699 /* msdos.c assumes a single tty_display_info object. */
700 error ("Multiple terminals are not supported on this platform");
701 if (!t)
702 t = the_only_display_info.terminal;
703 #endif
704 }
705
706 if (!t)
707 {
708 char *name = 0, *type = 0;
709 Lisp_Object tty, tty_type;
710
711 tty = get_future_frame_param
712 (Qtty, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
713 ? FRAME_TTY (XFRAME (selected_frame))->name
714 : NULL));
715 if (!NILP (tty))
716 {
717 name = (char *) alloca (SBYTES (tty) + 1);
718 strncpy (name, SDATA (tty), SBYTES (tty));
719 name[SBYTES (tty)] = 0;
720 }
721
722 tty_type = get_future_frame_param
723 (Qtty_type, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
724 ? FRAME_TTY (XFRAME (selected_frame))->type
725 : NULL));
726 if (!NILP (tty_type))
727 {
728 type = (char *) alloca (SBYTES (tty_type) + 1);
729 strncpy (type, SDATA (tty_type), SBYTES (tty_type));
730 type[SBYTES (tty_type)] = 0;
731 }
732
733 t = init_tty (name, type, 0); /* Errors are not fatal. */
734 }
735
736 f = make_terminal_frame (t);
737
738 {
739 int width, height;
740 get_tty_size (fileno (FRAME_TTY (f)->input), &width, &height);
741 change_frame_size (f, height, width, 0, 0, 0);
742 }
743
744 adjust_glyphs (f);
745 calculate_costs (f);
746 XSETFRAME (frame, f);
747 Fmodify_frame_parameters (frame, Vdefault_frame_alist);
748 Fmodify_frame_parameters (frame, parms);
749 Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty_type,
750 build_string (t->display_info.tty->type)),
751 Qnil));
752 if (t->display_info.tty->name != NULL)
753 Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty,
754 build_string (t->display_info.tty->name)),
755 Qnil));
756 else
757 Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty, Qnil), Qnil));
758
759 /* Make the frame face alist be frame-specific, so that each
760 frame could change its face definitions independently. */
761 f->face_alist = Fcopy_alist (sf->face_alist);
762 /* Simple Fcopy_alist isn't enough, because we need the contents of
763 the vectors which are the CDRs of associations in face_alist to
764 be copied as well. */
765 for (tem = f->face_alist; CONSP (tem); tem = XCDR (tem))
766 XSETCDR (XCAR (tem), Fcopy_sequence (XCDR (XCAR (tem))));
767 return frame;
768 }
769
770 \f
771 /* Perform the switch to frame FRAME.
772
773 If FRAME is a switch-frame event `(switch-frame FRAME1)', use
774 FRAME1 as frame.
775
776 If TRACK is non-zero and the frame that currently has the focus
777 redirects its focus to the selected frame, redirect that focused
778 frame's focus to FRAME instead.
779
780 FOR_DELETION non-zero means that the selected frame is being
781 deleted, which includes the possibility that the frame's terminal
782 is dead.
783
784 The value of NORECORD is passed as argument to Fselect_window. */
785
786 Lisp_Object
787 do_switch_frame (frame, track, for_deletion, norecord)
788 Lisp_Object frame, norecord;
789 int track, for_deletion;
790 {
791 struct frame *sf = SELECTED_FRAME ();
792
793 /* If FRAME is a switch-frame event, extract the frame we should
794 switch to. */
795 if (CONSP (frame)
796 && EQ (XCAR (frame), Qswitch_frame)
797 && CONSP (XCDR (frame)))
798 frame = XCAR (XCDR (frame));
799
800 /* This used to say CHECK_LIVE_FRAME, but apparently it's possible for
801 a switch-frame event to arrive after a frame is no longer live,
802 especially when deleting the initial frame during startup. */
803 CHECK_FRAME (frame);
804 if (! FRAME_LIVE_P (XFRAME (frame)))
805 return Qnil;
806
807 if (sf == XFRAME (frame))
808 return frame;
809
810 /* This is too greedy; it causes inappropriate focus redirection
811 that's hard to get rid of. */
812 #if 0
813 /* If a frame's focus has been redirected toward the currently
814 selected frame, we should change the redirection to point to the
815 newly selected frame. This means that if the focus is redirected
816 from a minibufferless frame to a surrogate minibuffer frame, we
817 can use `other-window' to switch between all the frames using
818 that minibuffer frame, and the focus redirection will follow us
819 around. */
820 if (track)
821 {
822 Lisp_Object tail;
823
824 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
825 {
826 Lisp_Object focus;
827
828 if (!FRAMEP (XCAR (tail)))
829 abort ();
830
831 focus = FRAME_FOCUS_FRAME (XFRAME (XCAR (tail)));
832
833 if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
834 Fredirect_frame_focus (XCAR (tail), frame);
835 }
836 }
837 #else /* ! 0 */
838 /* Instead, apply it only to the frame we're pointing to. */
839 #ifdef HAVE_WINDOW_SYSTEM
840 if (track && FRAME_WINDOW_P (XFRAME (frame)))
841 {
842 Lisp_Object focus, xfocus;
843
844 xfocus = x_get_focus_frame (XFRAME (frame));
845 if (FRAMEP (xfocus))
846 {
847 focus = FRAME_FOCUS_FRAME (XFRAME (xfocus));
848 if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
849 Fredirect_frame_focus (xfocus, frame);
850 }
851 }
852 #endif /* HAVE_X_WINDOWS */
853 #endif /* ! 0 */
854
855 if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
856 resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);
857
858 if (FRAME_TERMCAP_P (XFRAME (frame)) || FRAME_MSDOS_P (XFRAME (frame)))
859 {
860 if (FRAMEP (FRAME_TTY (XFRAME (frame))->top_frame))
861 /* Mark previously displayed frame as now obscured. */
862 XFRAME (FRAME_TTY (XFRAME (frame))->top_frame)->async_visible = 2;
863 XFRAME (frame)->async_visible = 1;
864 FRAME_TTY (XFRAME (frame))->top_frame = frame;
865 }
866
867 selected_frame = frame;
868 if (! FRAME_MINIBUF_ONLY_P (XFRAME (selected_frame)))
869 last_nonminibuf_frame = XFRAME (selected_frame);
870
871 Fselect_window (XFRAME (frame)->selected_window, norecord);
872
873 /* We want to make sure that the next event generates a frame-switch
874 event to the appropriate frame. This seems kludgy to me, but
875 before you take it out, make sure that evaluating something like
876 (select-window (frame-root-window (new-frame))) doesn't end up
877 with your typing being interpreted in the new frame instead of
878 the one you're actually typing in. */
879 internal_last_event_frame = Qnil;
880
881 return frame;
882 }
883
884 DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 2, "e",
885 doc: /* Select FRAME.
886 Subsequent editing commands apply to its selected window.
887 Optional argument NORECORD means to neither change the order of
888 recently selected windows nor the buffer list.
889
890 The selection of FRAME lasts until the next time the user does
891 something to select a different frame, or until the next time
892 this function is called. If you are using a window system, the
893 previously selected frame may be restored as the selected frame
894 when returning to the command loop, because it still may have
895 the window system's input focus. On a text-only terminal, the
896 next redisplay will display FRAME.
897
898 This function returns FRAME, or nil if FRAME has been deleted. */)
899 (frame, norecord)
900 Lisp_Object frame, norecord;
901 {
902 return do_switch_frame (frame, 1, 0, norecord);
903 }
904
905
906 DEFUN ("handle-switch-frame", Fhandle_switch_frame, Shandle_switch_frame, 1, 1, "e",
907 doc: /* Handle a switch-frame event EVENT.
908 Switch-frame events are usually bound to this function.
909 A switch-frame event tells Emacs that the window manager has requested
910 that the user's events be directed to the frame mentioned in the event.
911 This function selects the selected window of the frame of EVENT.
912
913 If EVENT is frame object, handle it as if it were a switch-frame event
914 to that frame. */)
915 (event)
916 Lisp_Object event;
917 {
918 /* Preserve prefix arg that the command loop just cleared. */
919 current_kboard->Vprefix_arg = Vcurrent_prefix_arg;
920 call1 (Vrun_hooks, Qmouse_leave_buffer_hook);
921 return do_switch_frame (event, 0, 0, Qnil);
922 }
923
924 DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0,
925 doc: /* Return the frame that is now selected. */)
926 ()
927 {
928 return selected_frame;
929 }
930 \f
931 DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0,
932 doc: /* Return the frame object that window WINDOW is on. */)
933 (window)
934 Lisp_Object window;
935 {
936 CHECK_LIVE_WINDOW (window);
937 return XWINDOW (window)->frame;
938 }
939
940 DEFUN ("frame-first-window", Fframe_first_window, Sframe_first_window, 0, 1, 0,
941 doc: /* Returns the topmost, leftmost window of FRAME.
942 If omitted, FRAME defaults to the currently selected frame. */)
943 (frame)
944 Lisp_Object frame;
945 {
946 Lisp_Object w;
947
948 if (NILP (frame))
949 w = SELECTED_FRAME ()->root_window;
950 else
951 {
952 CHECK_LIVE_FRAME (frame);
953 w = XFRAME (frame)->root_window;
954 }
955 while (NILP (XWINDOW (w)->buffer))
956 {
957 if (! NILP (XWINDOW (w)->hchild))
958 w = XWINDOW (w)->hchild;
959 else if (! NILP (XWINDOW (w)->vchild))
960 w = XWINDOW (w)->vchild;
961 else
962 abort ();
963 }
964 return w;
965 }
966
967 DEFUN ("active-minibuffer-window", Factive_minibuffer_window,
968 Sactive_minibuffer_window, 0, 0, 0,
969 doc: /* Return the currently active minibuffer window, or nil if none. */)
970 ()
971 {
972 return minibuf_level ? minibuf_window : Qnil;
973 }
974
975 DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0,
976 doc: /* Returns the root-window of FRAME.
977 If omitted, FRAME defaults to the currently selected frame. */)
978 (frame)
979 Lisp_Object frame;
980 {
981 Lisp_Object window;
982
983 if (NILP (frame))
984 window = SELECTED_FRAME ()->root_window;
985 else
986 {
987 CHECK_LIVE_FRAME (frame);
988 window = XFRAME (frame)->root_window;
989 }
990
991 return window;
992 }
993
994 DEFUN ("frame-selected-window", Fframe_selected_window,
995 Sframe_selected_window, 0, 1, 0,
996 doc: /* Return the selected window of FRAME.
997 FRAME defaults to the currently selected frame. */)
998 (frame)
999 Lisp_Object frame;
1000 {
1001 Lisp_Object window;
1002
1003 if (NILP (frame))
1004 window = SELECTED_FRAME ()->selected_window;
1005 else
1006 {
1007 CHECK_LIVE_FRAME (frame);
1008 window = XFRAME (frame)->selected_window;
1009 }
1010
1011 return window;
1012 }
1013
1014 DEFUN ("set-frame-selected-window", Fset_frame_selected_window,
1015 Sset_frame_selected_window, 2, 3, 0,
1016 doc: /* Set selected window of FRAME to WINDOW.
1017 If FRAME is nil, use the selected frame. If FRAME is the
1018 selected frame, this makes WINDOW the selected window.
1019 Optional argument NORECORD non-nil means to neither change the
1020 order of recently selected windows nor the buffer list.
1021 Return WINDOW. */)
1022 (frame, window, norecord)
1023 Lisp_Object frame, window, norecord;
1024 {
1025 if (NILP (frame))
1026 frame = selected_frame;
1027
1028 CHECK_LIVE_FRAME (frame);
1029 CHECK_LIVE_WINDOW (window);
1030
1031 if (! EQ (frame, WINDOW_FRAME (XWINDOW (window))))
1032 error ("In `set-frame-selected-window', WINDOW is not on FRAME");
1033
1034 if (EQ (frame, selected_frame))
1035 return Fselect_window (window, norecord);
1036
1037 return XFRAME (frame)->selected_window = window;
1038 }
1039
1040 \f
1041 DEFUN ("frame-list", Fframe_list, Sframe_list,
1042 0, 0, 0,
1043 doc: /* Return a list of all live frames. */)
1044 ()
1045 {
1046 Lisp_Object frames;
1047 frames = Fcopy_sequence (Vframe_list);
1048 #ifdef HAVE_WINDOW_SYSTEM
1049 if (FRAMEP (tip_frame))
1050 frames = Fdelq (tip_frame, frames);
1051 #endif
1052 return frames;
1053 }
1054
1055 /* Return the next frame in the frame list after FRAME.
1056 If MINIBUF is nil, exclude minibuffer-only frames.
1057 If MINIBUF is a window, include only its own frame
1058 and any frame now using that window as the minibuffer.
1059 If MINIBUF is `visible', include all visible frames.
1060 If MINIBUF is 0, include all visible and iconified frames.
1061 Otherwise, include all frames. */
1062
1063 static Lisp_Object
1064 next_frame (frame, minibuf)
1065 Lisp_Object frame;
1066 Lisp_Object minibuf;
1067 {
1068 Lisp_Object tail;
1069 int passed = 0;
1070
1071 /* There must always be at least one frame in Vframe_list. */
1072 if (! CONSP (Vframe_list))
1073 abort ();
1074
1075 /* If this frame is dead, it won't be in Vframe_list, and we'll loop
1076 forever. Forestall that. */
1077 CHECK_LIVE_FRAME (frame);
1078
1079 while (1)
1080 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
1081 {
1082 Lisp_Object f;
1083
1084 f = XCAR (tail);
1085
1086 if (passed
1087 && ((!FRAME_TERMCAP_P (XFRAME (f)) && !FRAME_TERMCAP_P (XFRAME (frame))
1088 && FRAME_KBOARD (XFRAME (f)) == FRAME_KBOARD (XFRAME (frame)))
1089 || (FRAME_TERMCAP_P (XFRAME (f)) && FRAME_TERMCAP_P (XFRAME (frame))
1090 && FRAME_TTY (XFRAME (f)) == FRAME_TTY (XFRAME (frame)))))
1091 {
1092 /* Decide whether this frame is eligible to be returned. */
1093
1094 /* If we've looped all the way around without finding any
1095 eligible frames, return the original frame. */
1096 if (EQ (f, frame))
1097 return f;
1098
1099 /* Let minibuf decide if this frame is acceptable. */
1100 if (NILP (minibuf))
1101 {
1102 if (! FRAME_MINIBUF_ONLY_P (XFRAME (f)))
1103 return f;
1104 }
1105 else if (EQ (minibuf, Qvisible))
1106 {
1107 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1108 if (FRAME_VISIBLE_P (XFRAME (f)))
1109 return f;
1110 }
1111 else if (INTEGERP (minibuf) && XINT (minibuf) == 0)
1112 {
1113 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1114 if (FRAME_VISIBLE_P (XFRAME (f))
1115 || FRAME_ICONIFIED_P (XFRAME (f)))
1116 return f;
1117 }
1118 else if (WINDOWP (minibuf))
1119 {
1120 if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf)
1121 || EQ (WINDOW_FRAME (XWINDOW (minibuf)), f)
1122 || EQ (WINDOW_FRAME (XWINDOW (minibuf)),
1123 FRAME_FOCUS_FRAME (XFRAME (f))))
1124 return f;
1125 }
1126 else
1127 return f;
1128 }
1129
1130 if (EQ (frame, f))
1131 passed++;
1132 }
1133 }
1134
1135 /* Return the previous frame in the frame list before FRAME.
1136 If MINIBUF is nil, exclude minibuffer-only frames.
1137 If MINIBUF is a window, include only its own frame
1138 and any frame now using that window as the minibuffer.
1139 If MINIBUF is `visible', include all visible frames.
1140 If MINIBUF is 0, include all visible and iconified frames.
1141 Otherwise, include all frames. */
1142
1143 static Lisp_Object
1144 prev_frame (frame, minibuf)
1145 Lisp_Object frame;
1146 Lisp_Object minibuf;
1147 {
1148 Lisp_Object tail;
1149 Lisp_Object prev;
1150
1151 /* There must always be at least one frame in Vframe_list. */
1152 if (! CONSP (Vframe_list))
1153 abort ();
1154
1155 prev = Qnil;
1156 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
1157 {
1158 Lisp_Object f;
1159
1160 f = XCAR (tail);
1161 if (!FRAMEP (f))
1162 abort ();
1163
1164 if (EQ (frame, f) && !NILP (prev))
1165 return prev;
1166
1167 if ((!FRAME_TERMCAP_P (XFRAME (f)) && !FRAME_TERMCAP_P (XFRAME (frame))
1168 && FRAME_KBOARD (XFRAME (f)) == FRAME_KBOARD (XFRAME (frame)))
1169 || (FRAME_TERMCAP_P (XFRAME (f)) && FRAME_TERMCAP_P (XFRAME (frame))
1170 && FRAME_TTY (XFRAME (f)) == FRAME_TTY (XFRAME (frame))))
1171 {
1172 /* Decide whether this frame is eligible to be returned,
1173 according to minibuf. */
1174 if (NILP (minibuf))
1175 {
1176 if (! FRAME_MINIBUF_ONLY_P (XFRAME (f)))
1177 prev = f;
1178 }
1179 else if (WINDOWP (minibuf))
1180 {
1181 if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf)
1182 || EQ (WINDOW_FRAME (XWINDOW (minibuf)), f)
1183 || EQ (WINDOW_FRAME (XWINDOW (minibuf)),
1184 FRAME_FOCUS_FRAME (XFRAME (f))))
1185 prev = f;
1186 }
1187 else if (EQ (minibuf, Qvisible))
1188 {
1189 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1190 if (FRAME_VISIBLE_P (XFRAME (f)))
1191 prev = f;
1192 }
1193 else if (XFASTINT (minibuf) == 0)
1194 {
1195 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1196 if (FRAME_VISIBLE_P (XFRAME (f))
1197 || FRAME_ICONIFIED_P (XFRAME (f)))
1198 prev = f;
1199 }
1200 else
1201 prev = f;
1202 }
1203 }
1204
1205 /* We've scanned the entire list. */
1206 if (NILP (prev))
1207 /* We went through the whole frame list without finding a single
1208 acceptable frame. Return the original frame. */
1209 return frame;
1210 else
1211 /* There were no acceptable frames in the list before FRAME; otherwise,
1212 we would have returned directly from the loop. Since PREV is the last
1213 acceptable frame in the list, return it. */
1214 return prev;
1215 }
1216
1217
1218 DEFUN ("next-frame", Fnext_frame, Snext_frame, 0, 2, 0,
1219 doc: /* Return the next frame in the frame list after FRAME.
1220 It considers only frames on the same terminal as FRAME.
1221 By default, skip minibuffer-only frames.
1222 If omitted, FRAME defaults to the selected frame.
1223 If optional argument MINIFRAME is nil, exclude minibuffer-only frames.
1224 If MINIFRAME is a window, include only its own frame
1225 and any frame now using that window as the minibuffer.
1226 If MINIFRAME is `visible', include all visible frames.
1227 If MINIFRAME is 0, include all visible and iconified frames.
1228 Otherwise, include all frames. */)
1229 (frame, miniframe)
1230 Lisp_Object frame, miniframe;
1231 {
1232 if (NILP (frame))
1233 frame = selected_frame;
1234
1235 CHECK_LIVE_FRAME (frame);
1236 return next_frame (frame, miniframe);
1237 }
1238
1239 DEFUN ("previous-frame", Fprevious_frame, Sprevious_frame, 0, 2, 0,
1240 doc: /* Return the previous frame in the frame list before FRAME.
1241 It considers only frames on the same terminal as FRAME.
1242 By default, skip minibuffer-only frames.
1243 If omitted, FRAME defaults to the selected frame.
1244 If optional argument MINIFRAME is nil, exclude minibuffer-only frames.
1245 If MINIFRAME is a window, include only its own frame
1246 and any frame now using that window as the minibuffer.
1247 If MINIFRAME is `visible', include all visible frames.
1248 If MINIFRAME is 0, include all visible and iconified frames.
1249 Otherwise, include all frames. */)
1250 (frame, miniframe)
1251 Lisp_Object frame, miniframe;
1252 {
1253 if (NILP (frame))
1254 frame = selected_frame;
1255 CHECK_LIVE_FRAME (frame);
1256 return prev_frame (frame, miniframe);
1257 }
1258 \f
1259 /* Return 1 if it is ok to delete frame F;
1260 0 if all frames aside from F are invisible.
1261 (Exception: if F is the terminal frame, and we are using X, return 1.) */
1262
1263 int
1264 other_visible_frames (f)
1265 FRAME_PTR f;
1266 {
1267 /* We know the selected frame is visible,
1268 so if F is some other frame, it can't be the sole visible one. */
1269 if (f == SELECTED_FRAME ())
1270 {
1271 Lisp_Object frames;
1272 int count = 0;
1273
1274 for (frames = Vframe_list;
1275 CONSP (frames);
1276 frames = XCDR (frames))
1277 {
1278 Lisp_Object this;
1279
1280 this = XCAR (frames);
1281 /* Verify that the frame's window still exists
1282 and we can still talk to it. And note any recent change
1283 in visibility. */
1284 #ifdef HAVE_WINDOW_SYSTEM
1285 if (FRAME_WINDOW_P (XFRAME (this)))
1286 {
1287 x_sync (XFRAME (this));
1288 FRAME_SAMPLE_VISIBILITY (XFRAME (this));
1289 }
1290 #endif
1291
1292 if (FRAME_VISIBLE_P (XFRAME (this))
1293 || FRAME_ICONIFIED_P (XFRAME (this))
1294 /* Allow deleting the terminal frame when at least
1295 one X frame exists! */
1296 || (FRAME_WINDOW_P (XFRAME (this)) && !FRAME_WINDOW_P (f)))
1297 count++;
1298 }
1299 return count > 1;
1300 }
1301 return 1;
1302 }
1303
1304 /* Error handler for `delete-frame-functions'. */
1305 static Lisp_Object
1306 delete_frame_handler (Lisp_Object arg)
1307 {
1308 add_to_log ("Error during `delete-frame': %s", arg, Qnil);
1309 return Qnil;
1310 }
1311
1312 extern Lisp_Object Qrun_hook_with_args;
1313
1314 /* Delete FRAME. When FORCE equals Qnoelisp, delete FRAME
1315 unconditionally. x_connection_closed and delete_terminal use
1316 this. Any other value of FORCE implements the semantics
1317 described for Fdelete_frame. */
1318 Lisp_Object
1319 delete_frame (frame, force)
1320 /* If we use `register' here, gcc-4.0.2 on amd64 using
1321 -DUSE_LISP_UNION_TYPE complains further down that we're getting the
1322 address of `force'. Go figure. */
1323 Lisp_Object frame, force;
1324 {
1325 struct frame *f;
1326 struct frame *sf = SELECTED_FRAME ();
1327 struct kboard *kb;
1328
1329 int minibuffer_selected;
1330
1331 if (EQ (frame, Qnil))
1332 {
1333 f = sf;
1334 XSETFRAME (frame, f);
1335 }
1336 else
1337 {
1338 CHECK_FRAME (frame);
1339 f = XFRAME (frame);
1340 }
1341
1342 if (! FRAME_LIVE_P (f))
1343 return Qnil;
1344
1345 if (NILP (force) && !other_visible_frames (f))
1346 error ("Attempt to delete the sole visible or iconified frame");
1347
1348 /* x_connection_closed must have set FORCE to `noelisp' in order
1349 to delete the last frame, if it is gone. */
1350 if (NILP (XCDR (Vframe_list)) && !EQ (force, Qnoelisp))
1351 error ("Attempt to delete the only frame");
1352
1353 /* Does this frame have a minibuffer, and is it the surrogate
1354 minibuffer for any other frame? */
1355 if (FRAME_HAS_MINIBUF_P (XFRAME (frame)))
1356 {
1357 Lisp_Object frames;
1358
1359 for (frames = Vframe_list;
1360 CONSP (frames);
1361 frames = XCDR (frames))
1362 {
1363 Lisp_Object this;
1364 this = XCAR (frames);
1365
1366 if (! EQ (this, frame)
1367 && EQ (frame,
1368 WINDOW_FRAME (XWINDOW
1369 (FRAME_MINIBUF_WINDOW (XFRAME (this))))))
1370 {
1371 /* If we MUST delete this frame, delete the other first.
1372 But do this only if FORCE equals `noelisp'. */
1373 if (EQ (force, Qnoelisp))
1374 delete_frame (this, Qnoelisp);
1375 else
1376 error ("Attempt to delete a surrogate minibuffer frame");
1377 }
1378 }
1379 }
1380
1381 /* Run `delete-frame-functions' unless FORCE is `noelisp' or
1382 frame is a tooltip. FORCE is set to `noelisp' when handling
1383 a disconnect from the terminal, so we don't dare call Lisp
1384 code. */
1385 if (NILP (Vrun_hooks) || !NILP (Fframe_parameter (frame, intern ("tooltip"))))
1386 ;
1387 if (EQ (force, Qnoelisp))
1388 pending_funcalls
1389 = Fcons (list3 (Qrun_hook_with_args, Qdelete_frame_functions, frame),
1390 pending_funcalls);
1391 else
1392 safe_call2 (Qrun_hook_with_args, Qdelete_frame_functions, frame);
1393
1394 /* The hook may sometimes (indirectly) cause the frame to be deleted. */
1395 if (! FRAME_LIVE_P (f))
1396 return Qnil;
1397
1398 /* At this point, we are committed to deleting the frame.
1399 There is no more chance for errors to prevent it. */
1400
1401 minibuffer_selected = EQ (minibuf_window, selected_window);
1402
1403 /* Don't let the frame remain selected. */
1404 if (f == sf)
1405 {
1406 Lisp_Object tail, frame1;
1407
1408 /* Look for another visible frame on the same terminal. */
1409 frame1 = next_frame (frame, Qvisible);
1410
1411 /* If there is none, find *some* other frame. */
1412 if (NILP (frame1) || EQ (frame1, frame))
1413 {
1414 FOR_EACH_FRAME (tail, frame1)
1415 {
1416 if (! EQ (frame, frame1) && FRAME_LIVE_P (XFRAME (frame1)))
1417 break;
1418 }
1419 }
1420 #ifdef NS_IMPL_COCOA
1421 else
1422 /* Under NS, there is no system mechanism for choosing a new
1423 window to get focus -- it is left to application code.
1424 So the portion of THIS application interfacing with NS
1425 needs to know about it. We call Fraise_frame, but the
1426 purpose is really to transfer focus. */
1427 Fraise_frame (frame1);
1428 #endif
1429
1430 do_switch_frame (frame1, 0, 1, Qnil);
1431 sf = SELECTED_FRAME ();
1432 }
1433
1434 /* Don't allow minibuf_window to remain on a deleted frame. */
1435 if (EQ (f->minibuffer_window, minibuf_window))
1436 {
1437 Fset_window_buffer (sf->minibuffer_window,
1438 XWINDOW (minibuf_window)->buffer, Qnil);
1439 minibuf_window = sf->minibuffer_window;
1440
1441 /* If the dying minibuffer window was selected,
1442 select the new one. */
1443 if (minibuffer_selected)
1444 Fselect_window (minibuf_window, Qnil);
1445 }
1446
1447 /* Don't let echo_area_window to remain on a deleted frame. */
1448 if (EQ (f->minibuffer_window, echo_area_window))
1449 echo_area_window = sf->minibuffer_window;
1450
1451 /* Clear any X selections for this frame. */
1452 #ifdef HAVE_X_WINDOWS
1453 if (FRAME_X_P (f))
1454 x_clear_frame_selections (f);
1455 #endif
1456
1457 /* Free glyphs.
1458 This function must be called before the window tree of the
1459 frame is deleted because windows contain dynamically allocated
1460 memory. */
1461 free_glyphs (f);
1462
1463 #ifdef HAVE_WINDOW_SYSTEM
1464 /* Give chance to each font driver to free a frame specific data. */
1465 font_update_drivers (f, Qnil);
1466 #endif
1467
1468 /* Mark all the windows that used to be on FRAME as deleted, and then
1469 remove the reference to them. */
1470 delete_all_subwindows (XWINDOW (f->root_window));
1471 f->root_window = Qnil;
1472
1473 Vframe_list = Fdelq (frame, Vframe_list);
1474 FRAME_SET_VISIBLE (f, 0);
1475
1476 /* Allow the vector of menu bar contents to be freed in the next
1477 garbage collection. The frame object itself may not be garbage
1478 collected until much later, because recent_keys and other data
1479 structures can still refer to it. */
1480 f->menu_bar_vector = Qnil;
1481
1482 free_font_driver_list (f);
1483 xfree (f->namebuf);
1484 xfree (f->decode_mode_spec_buffer);
1485 xfree (FRAME_INSERT_COST (f));
1486 xfree (FRAME_DELETEN_COST (f));
1487 xfree (FRAME_INSERTN_COST (f));
1488 xfree (FRAME_DELETE_COST (f));
1489 xfree (FRAME_MESSAGE_BUF (f));
1490
1491 /* Since some events are handled at the interrupt level, we may get
1492 an event for f at any time; if we zero out the frame's terminal
1493 now, then we may trip up the event-handling code. Instead, we'll
1494 promise that the terminal of the frame must be valid until we
1495 have called the window-system-dependent frame destruction
1496 routine. */
1497
1498 if (FRAME_TERMINAL (f)->delete_frame_hook)
1499 (*FRAME_TERMINAL (f)->delete_frame_hook) (f);
1500
1501 {
1502 struct terminal *terminal = FRAME_TERMINAL (f);
1503 f->output_data.nothing = 0;
1504 f->terminal = 0; /* Now the frame is dead. */
1505
1506 /* If needed, delete the terminal that this frame was on.
1507 (This must be done after the frame is killed.) */
1508 terminal->reference_count--;
1509 if (terminal->reference_count == 0)
1510 {
1511 Lisp_Object tmp;
1512 XSETTERMINAL (tmp, terminal);
1513
1514 kb = NULL;
1515 Fdelete_terminal (tmp, NILP (force) ? Qt : force);
1516 }
1517 else
1518 kb = terminal->kboard;
1519 }
1520
1521 /* If we've deleted the last_nonminibuf_frame, then try to find
1522 another one. */
1523 if (f == last_nonminibuf_frame)
1524 {
1525 Lisp_Object frames;
1526
1527 last_nonminibuf_frame = 0;
1528
1529 for (frames = Vframe_list;
1530 CONSP (frames);
1531 frames = XCDR (frames))
1532 {
1533 f = XFRAME (XCAR (frames));
1534 if (!FRAME_MINIBUF_ONLY_P (f))
1535 {
1536 last_nonminibuf_frame = f;
1537 break;
1538 }
1539 }
1540 }
1541
1542 /* If there's no other frame on the same kboard, get out of
1543 single-kboard state if we're in it for this kboard. */
1544 if (kb != NULL)
1545 {
1546 Lisp_Object frames;
1547 /* Some frame we found on the same kboard, or nil if there are none. */
1548 Lisp_Object frame_on_same_kboard;
1549
1550 frame_on_same_kboard = Qnil;
1551
1552 for (frames = Vframe_list;
1553 CONSP (frames);
1554 frames = XCDR (frames))
1555 {
1556 Lisp_Object this;
1557 struct frame *f1;
1558
1559 this = XCAR (frames);
1560 if (!FRAMEP (this))
1561 abort ();
1562 f1 = XFRAME (this);
1563
1564 if (kb == FRAME_KBOARD (f1))
1565 frame_on_same_kboard = this;
1566 }
1567
1568 if (NILP (frame_on_same_kboard))
1569 not_single_kboard_state (kb);
1570 }
1571
1572
1573 /* If we've deleted this keyboard's default_minibuffer_frame, try to
1574 find another one. Prefer minibuffer-only frames, but also notice
1575 frames with other windows. */
1576 if (kb != NULL && EQ (frame, kb->Vdefault_minibuffer_frame))
1577 {
1578 Lisp_Object frames;
1579
1580 /* The last frame we saw with a minibuffer, minibuffer-only or not. */
1581 Lisp_Object frame_with_minibuf;
1582 /* Some frame we found on the same kboard, or nil if there are none. */
1583 Lisp_Object frame_on_same_kboard;
1584
1585 frame_on_same_kboard = Qnil;
1586 frame_with_minibuf = Qnil;
1587
1588 for (frames = Vframe_list;
1589 CONSP (frames);
1590 frames = XCDR (frames))
1591 {
1592 Lisp_Object this;
1593 struct frame *f1;
1594
1595 this = XCAR (frames);
1596 if (!FRAMEP (this))
1597 abort ();
1598 f1 = XFRAME (this);
1599
1600 /* Consider only frames on the same kboard
1601 and only those with minibuffers. */
1602 if (kb == FRAME_KBOARD (f1)
1603 && FRAME_HAS_MINIBUF_P (f1))
1604 {
1605 frame_with_minibuf = this;
1606 if (FRAME_MINIBUF_ONLY_P (f1))
1607 break;
1608 }
1609
1610 if (kb == FRAME_KBOARD (f1))
1611 frame_on_same_kboard = this;
1612 }
1613
1614 if (!NILP (frame_on_same_kboard))
1615 {
1616 /* We know that there must be some frame with a minibuffer out
1617 there. If this were not true, all of the frames present
1618 would have to be minibufferless, which implies that at some
1619 point their minibuffer frames must have been deleted, but
1620 that is prohibited at the top; you can't delete surrogate
1621 minibuffer frames. */
1622 if (NILP (frame_with_minibuf))
1623 abort ();
1624
1625 kb->Vdefault_minibuffer_frame = frame_with_minibuf;
1626 }
1627 else
1628 /* No frames left on this kboard--say no minibuffer either. */
1629 kb->Vdefault_minibuffer_frame = Qnil;
1630 }
1631
1632 /* Cause frame titles to update--necessary if we now have just one frame. */
1633 update_mode_lines = 1;
1634
1635 return Qnil;
1636 }
1637
1638 DEFUN ("delete-frame", Fdelete_frame, Sdelete_frame, 0, 2, "",
1639 doc: /* Delete FRAME, permanently eliminating it from use.
1640 FRAME defaults to the selected frame.
1641
1642 A frame may not be deleted if its minibuffer is used by other frames.
1643 Normally, you may not delete a frame if all other frames are invisible,
1644 but if the second optional argument FORCE is non-nil, you may do so.
1645
1646 This function runs `delete-frame-functions' before actually
1647 deleting the frame, unless the frame is a tooltip.
1648 The functions are run with one argument, the frame to be deleted. */)
1649 (frame, force)
1650 Lisp_Object frame, force;
1651 {
1652 return delete_frame (frame, !NILP (force) ? Qt : Qnil);
1653 }
1654
1655 \f
1656 /* Return mouse position in character cell units. */
1657
1658 DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0,
1659 doc: /* Return a list (FRAME X . Y) giving the current mouse frame and position.
1660 The position is given in character cells, where (0, 0) is the
1661 upper-left corner of the frame, X is the horizontal offset, and Y is
1662 the vertical offset.
1663 If Emacs is running on a mouseless terminal or hasn't been programmed
1664 to read the mouse position, it returns the selected frame for FRAME
1665 and nil for X and Y.
1666 If `mouse-position-function' is non-nil, `mouse-position' calls it,
1667 passing the normal return value to that function as an argument,
1668 and returns whatever that function returns. */)
1669 ()
1670 {
1671 FRAME_PTR f;
1672 Lisp_Object lispy_dummy;
1673 enum scroll_bar_part party_dummy;
1674 Lisp_Object x, y, retval;
1675 int col, row;
1676 unsigned long long_dummy;
1677 struct gcpro gcpro1;
1678
1679 f = SELECTED_FRAME ();
1680 x = y = Qnil;
1681
1682 #if defined (HAVE_MOUSE) || defined (HAVE_GPM)
1683 /* It's okay for the hook to refrain from storing anything. */
1684 if (FRAME_TERMINAL (f)->mouse_position_hook)
1685 (*FRAME_TERMINAL (f)->mouse_position_hook) (&f, -1,
1686 &lispy_dummy, &party_dummy,
1687 &x, &y,
1688 &long_dummy);
1689 if (! NILP (x))
1690 {
1691 col = XINT (x);
1692 row = XINT (y);
1693 pixel_to_glyph_coords (f, col, row, &col, &row, NULL, 1);
1694 XSETINT (x, col);
1695 XSETINT (y, row);
1696 }
1697 #endif
1698 XSETFRAME (lispy_dummy, f);
1699 retval = Fcons (lispy_dummy, Fcons (x, y));
1700 GCPRO1 (retval);
1701 if (!NILP (Vmouse_position_function))
1702 retval = call1 (Vmouse_position_function, retval);
1703 RETURN_UNGCPRO (retval);
1704 }
1705
1706 DEFUN ("mouse-pixel-position", Fmouse_pixel_position,
1707 Smouse_pixel_position, 0, 0, 0,
1708 doc: /* Return a list (FRAME X . Y) giving the current mouse frame and position.
1709 The position is given in pixel units, where (0, 0) is the
1710 upper-left corner of the frame, X is the horizontal offset, and Y is
1711 the vertical offset.
1712 If Emacs is running on a mouseless terminal or hasn't been programmed
1713 to read the mouse position, it returns the selected frame for FRAME
1714 and nil for X and Y. */)
1715 ()
1716 {
1717 FRAME_PTR f;
1718 Lisp_Object lispy_dummy;
1719 enum scroll_bar_part party_dummy;
1720 Lisp_Object x, y;
1721 unsigned long long_dummy;
1722
1723 f = SELECTED_FRAME ();
1724 x = y = Qnil;
1725
1726 #if defined (HAVE_MOUSE) || defined (HAVE_GPM)
1727 /* It's okay for the hook to refrain from storing anything. */
1728 if (FRAME_TERMINAL (f)->mouse_position_hook)
1729 (*FRAME_TERMINAL (f)->mouse_position_hook) (&f, -1,
1730 &lispy_dummy, &party_dummy,
1731 &x, &y,
1732 &long_dummy);
1733 #endif
1734 XSETFRAME (lispy_dummy, f);
1735 return Fcons (lispy_dummy, Fcons (x, y));
1736 }
1737
1738 DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0,
1739 doc: /* Move the mouse pointer to the center of character cell (X,Y) in FRAME.
1740 Coordinates are relative to the frame, not a window,
1741 so the coordinates of the top left character in the frame
1742 may be nonzero due to left-hand scroll bars or the menu bar.
1743
1744 The position is given in character cells, where (0, 0) is the
1745 upper-left corner of the frame, X is the horizontal offset, and Y is
1746 the vertical offset.
1747
1748 This function is a no-op for an X frame that is not visible.
1749 If you have just created a frame, you must wait for it to become visible
1750 before calling this function on it, like this.
1751 (while (not (frame-visible-p frame)) (sleep-for .5)) */)
1752 (frame, x, y)
1753 Lisp_Object frame, x, y;
1754 {
1755 CHECK_LIVE_FRAME (frame);
1756 CHECK_NUMBER (x);
1757 CHECK_NUMBER (y);
1758
1759 /* I think this should be done with a hook. */
1760 #ifdef HAVE_WINDOW_SYSTEM
1761 if (FRAME_WINDOW_P (XFRAME (frame)))
1762 /* Warping the mouse will cause enternotify and focus events. */
1763 x_set_mouse_position (XFRAME (frame), XINT (x), XINT (y));
1764 #else
1765 #if defined (MSDOS) && defined (HAVE_MOUSE)
1766 if (FRAME_MSDOS_P (XFRAME (frame)))
1767 {
1768 Fselect_frame (frame, Qnil);
1769 mouse_moveto (XINT (x), XINT (y));
1770 }
1771 #else
1772 #ifdef HAVE_GPM
1773 {
1774 Fselect_frame (frame, Qnil);
1775 term_mouse_moveto (XINT (x), XINT (y));
1776 }
1777 #endif
1778 #endif
1779 #endif
1780
1781 return Qnil;
1782 }
1783
1784 DEFUN ("set-mouse-pixel-position", Fset_mouse_pixel_position,
1785 Sset_mouse_pixel_position, 3, 3, 0,
1786 doc: /* Move the mouse pointer to pixel position (X,Y) in FRAME.
1787 The position is given in pixels, where (0, 0) is the upper-left corner
1788 of the frame, X is the horizontal offset, and Y is the vertical offset.
1789
1790 Note, this is a no-op for an X frame that is not visible.
1791 If you have just created a frame, you must wait for it to become visible
1792 before calling this function on it, like this.
1793 (while (not (frame-visible-p frame)) (sleep-for .5)) */)
1794 (frame, x, y)
1795 Lisp_Object frame, x, y;
1796 {
1797 CHECK_LIVE_FRAME (frame);
1798 CHECK_NUMBER (x);
1799 CHECK_NUMBER (y);
1800
1801 /* I think this should be done with a hook. */
1802 #ifdef HAVE_WINDOW_SYSTEM
1803 if (FRAME_WINDOW_P (XFRAME (frame)))
1804 /* Warping the mouse will cause enternotify and focus events. */
1805 x_set_mouse_pixel_position (XFRAME (frame), XINT (x), XINT (y));
1806 #else
1807 #if defined (MSDOS) && defined (HAVE_MOUSE)
1808 if (FRAME_MSDOS_P (XFRAME (frame)))
1809 {
1810 Fselect_frame (frame, Qnil);
1811 mouse_moveto (XINT (x), XINT (y));
1812 }
1813 #else
1814 #ifdef HAVE_GPM
1815 {
1816 Fselect_frame (frame, Qnil);
1817 term_mouse_moveto (XINT (x), XINT (y));
1818 }
1819 #endif
1820 #endif
1821 #endif
1822
1823 return Qnil;
1824 }
1825 \f
1826 static void make_frame_visible_1 P_ ((Lisp_Object));
1827
1828 DEFUN ("make-frame-visible", Fmake_frame_visible, Smake_frame_visible,
1829 0, 1, "",
1830 doc: /* Make the frame FRAME visible (assuming it is an X window).
1831 If omitted, FRAME defaults to the currently selected frame. */)
1832 (frame)
1833 Lisp_Object frame;
1834 {
1835 if (NILP (frame))
1836 frame = selected_frame;
1837
1838 CHECK_LIVE_FRAME (frame);
1839
1840 /* I think this should be done with a hook. */
1841 #ifdef HAVE_WINDOW_SYSTEM
1842 if (FRAME_WINDOW_P (XFRAME (frame)))
1843 {
1844 FRAME_SAMPLE_VISIBILITY (XFRAME (frame));
1845 x_make_frame_visible (XFRAME (frame));
1846 }
1847 #endif
1848
1849 make_frame_visible_1 (XFRAME (frame)->root_window);
1850
1851 /* Make menu bar update for the Buffers and Frames menus. */
1852 windows_or_buffers_changed++;
1853
1854 return frame;
1855 }
1856
1857 /* Update the display_time slot of the buffers shown in WINDOW
1858 and all its descendents. */
1859
1860 static void
1861 make_frame_visible_1 (window)
1862 Lisp_Object window;
1863 {
1864 struct window *w;
1865
1866 for (;!NILP (window); window = w->next)
1867 {
1868 w = XWINDOW (window);
1869
1870 if (!NILP (w->buffer))
1871 XBUFFER (w->buffer)->display_time = Fcurrent_time ();
1872
1873 if (!NILP (w->vchild))
1874 make_frame_visible_1 (w->vchild);
1875 if (!NILP (w->hchild))
1876 make_frame_visible_1 (w->hchild);
1877 }
1878 }
1879
1880 DEFUN ("make-frame-invisible", Fmake_frame_invisible, Smake_frame_invisible,
1881 0, 2, "",
1882 doc: /* Make the frame FRAME invisible (assuming it is an X window).
1883 If omitted, FRAME defaults to the currently selected frame.
1884 Normally you may not make FRAME invisible if all other frames are invisible,
1885 but if the second optional argument FORCE is non-nil, you may do so. */)
1886 (frame, force)
1887 Lisp_Object frame, force;
1888 {
1889 if (NILP (frame))
1890 frame = selected_frame;
1891
1892 CHECK_LIVE_FRAME (frame);
1893
1894 if (NILP (force) && !other_visible_frames (XFRAME (frame)))
1895 error ("Attempt to make invisible the sole visible or iconified frame");
1896
1897 #if 0 /* This isn't logically necessary, and it can do GC. */
1898 /* Don't let the frame remain selected. */
1899 if (EQ (frame, selected_frame))
1900 do_switch_frame (next_frame (frame, Qt), 0, 0, Qnil)
1901 #endif
1902
1903 /* Don't allow minibuf_window to remain on a deleted frame. */
1904 if (EQ (XFRAME (frame)->minibuffer_window, minibuf_window))
1905 {
1906 struct frame *sf = XFRAME (selected_frame);
1907 Fset_window_buffer (sf->minibuffer_window,
1908 XWINDOW (minibuf_window)->buffer, Qnil);
1909 minibuf_window = sf->minibuffer_window;
1910 }
1911
1912 /* I think this should be done with a hook. */
1913 #ifdef HAVE_WINDOW_SYSTEM
1914 if (FRAME_WINDOW_P (XFRAME (frame)))
1915 x_make_frame_invisible (XFRAME (frame));
1916 #endif
1917
1918 /* Make menu bar update for the Buffers and Frames menus. */
1919 windows_or_buffers_changed++;
1920
1921 return Qnil;
1922 }
1923
1924 DEFUN ("iconify-frame", Ficonify_frame, Siconify_frame,
1925 0, 1, "",
1926 doc: /* Make the frame FRAME into an icon.
1927 If omitted, FRAME defaults to the currently selected frame. */)
1928 (frame)
1929 Lisp_Object frame;
1930 {
1931 if (NILP (frame))
1932 frame = selected_frame;
1933
1934 CHECK_LIVE_FRAME (frame);
1935
1936 #if 0 /* This isn't logically necessary, and it can do GC. */
1937 /* Don't let the frame remain selected. */
1938 if (EQ (frame, selected_frame))
1939 Fhandle_switch_frame (next_frame (frame, Qt));
1940 #endif
1941
1942 /* Don't allow minibuf_window to remain on a deleted frame. */
1943 if (EQ (XFRAME (frame)->minibuffer_window, minibuf_window))
1944 {
1945 struct frame *sf = XFRAME (selected_frame);
1946 Fset_window_buffer (sf->minibuffer_window,
1947 XWINDOW (minibuf_window)->buffer, Qnil);
1948 minibuf_window = sf->minibuffer_window;
1949 }
1950
1951 /* I think this should be done with a hook. */
1952 #ifdef HAVE_WINDOW_SYSTEM
1953 if (FRAME_WINDOW_P (XFRAME (frame)))
1954 x_iconify_frame (XFRAME (frame));
1955 #endif
1956
1957 /* Make menu bar update for the Buffers and Frames menus. */
1958 windows_or_buffers_changed++;
1959
1960 return Qnil;
1961 }
1962
1963 DEFUN ("frame-visible-p", Fframe_visible_p, Sframe_visible_p,
1964 1, 1, 0,
1965 doc: /* Return t if FRAME is now \"visible\" (actually in use for display).
1966 A frame that is not \"visible\" is not updated and, if it works through
1967 a window system, it may not show at all.
1968 Return the symbol `icon' if frame is visible only as an icon.
1969
1970 On a text-only terminal, all frames are considered visible, whether
1971 they are currently being displayed or not, and this function returns t
1972 for all frames. */)
1973 (frame)
1974 Lisp_Object frame;
1975 {
1976 CHECK_LIVE_FRAME (frame);
1977
1978 FRAME_SAMPLE_VISIBILITY (XFRAME (frame));
1979
1980 if (FRAME_VISIBLE_P (XFRAME (frame)))
1981 return Qt;
1982 if (FRAME_ICONIFIED_P (XFRAME (frame)))
1983 return Qicon;
1984 return Qnil;
1985 }
1986
1987 DEFUN ("visible-frame-list", Fvisible_frame_list, Svisible_frame_list,
1988 0, 0, 0,
1989 doc: /* Return a list of all frames now \"visible\" (being updated). */)
1990 ()
1991 {
1992 Lisp_Object tail, frame;
1993 struct frame *f;
1994 Lisp_Object value;
1995
1996 value = Qnil;
1997 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
1998 {
1999 frame = XCAR (tail);
2000 if (!FRAMEP (frame))
2001 continue;
2002 f = XFRAME (frame);
2003 if (FRAME_VISIBLE_P (f))
2004 value = Fcons (frame, value);
2005 }
2006 return value;
2007 }
2008
2009
2010 DEFUN ("raise-frame", Fraise_frame, Sraise_frame, 0, 1, "",
2011 doc: /* Bring FRAME to the front, so it occludes any frames it overlaps.
2012 If FRAME is invisible or iconified, make it visible.
2013 If you don't specify a frame, the selected frame is used.
2014 If Emacs is displaying on an ordinary terminal or some other device which
2015 doesn't support multiple overlapping frames, this function selects FRAME. */)
2016 (frame)
2017 Lisp_Object frame;
2018 {
2019 struct frame *f;
2020 if (NILP (frame))
2021 frame = selected_frame;
2022
2023 CHECK_LIVE_FRAME (frame);
2024
2025 f = XFRAME (frame);
2026
2027 if (FRAME_TERMCAP_P (f))
2028 /* On a text-only terminal select FRAME. */
2029 Fselect_frame (frame, Qnil);
2030 else
2031 /* Do like the documentation says. */
2032 Fmake_frame_visible (frame);
2033
2034 if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
2035 (*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 1);
2036
2037 return Qnil;
2038 }
2039
2040 /* Should we have a corresponding function called Flower_Power? */
2041 DEFUN ("lower-frame", Flower_frame, Slower_frame, 0, 1, "",
2042 doc: /* Send FRAME to the back, so it is occluded by any frames that overlap it.
2043 If you don't specify a frame, the selected frame is used.
2044 If Emacs is displaying on an ordinary terminal or some other device which
2045 doesn't support multiple overlapping frames, this function does nothing. */)
2046 (frame)
2047 Lisp_Object frame;
2048 {
2049 struct frame *f;
2050
2051 if (NILP (frame))
2052 frame = selected_frame;
2053
2054 CHECK_LIVE_FRAME (frame);
2055
2056 f = XFRAME (frame);
2057
2058 if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
2059 (*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 0);
2060
2061 return Qnil;
2062 }
2063
2064 \f
2065 DEFUN ("redirect-frame-focus", Fredirect_frame_focus, Sredirect_frame_focus,
2066 1, 2, 0,
2067 doc: /* Arrange for keystrokes typed at FRAME to be sent to FOCUS-FRAME.
2068 In other words, switch-frame events caused by events in FRAME will
2069 request a switch to FOCUS-FRAME, and `last-event-frame' will be
2070 FOCUS-FRAME after reading an event typed at FRAME.
2071
2072 If FOCUS-FRAME is omitted or nil, any existing redirection is
2073 cancelled, and the frame again receives its own keystrokes.
2074
2075 Focus redirection is useful for temporarily redirecting keystrokes to
2076 a surrogate minibuffer frame when a frame doesn't have its own
2077 minibuffer window.
2078
2079 A frame's focus redirection can be changed by `select-frame'. If frame
2080 FOO is selected, and then a different frame BAR is selected, any
2081 frames redirecting their focus to FOO are shifted to redirect their
2082 focus to BAR. This allows focus redirection to work properly when the
2083 user switches from one frame to another using `select-window'.
2084
2085 This means that a frame whose focus is redirected to itself is treated
2086 differently from a frame whose focus is redirected to nil; the former
2087 is affected by `select-frame', while the latter is not.
2088
2089 The redirection lasts until `redirect-frame-focus' is called to change it. */)
2090 (frame, focus_frame)
2091 Lisp_Object frame, focus_frame;
2092 {
2093 struct frame *f;
2094
2095 /* Note that we don't check for a live frame here. It's reasonable
2096 to redirect the focus of a frame you're about to delete, if you
2097 know what other frame should receive those keystrokes. */
2098 CHECK_FRAME (frame);
2099
2100 if (! NILP (focus_frame))
2101 CHECK_LIVE_FRAME (focus_frame);
2102
2103 f = XFRAME (frame);
2104
2105 f->focus_frame = focus_frame;
2106
2107 if (FRAME_TERMINAL (f)->frame_rehighlight_hook)
2108 (*FRAME_TERMINAL (f)->frame_rehighlight_hook) (f);
2109
2110 return Qnil;
2111 }
2112
2113
2114 DEFUN ("frame-focus", Fframe_focus, Sframe_focus, 1, 1, 0,
2115 doc: /* Return the frame to which FRAME's keystrokes are currently being sent.
2116 This returns nil if FRAME's focus is not redirected.
2117 See `redirect-frame-focus'. */)
2118 (frame)
2119 Lisp_Object frame;
2120 {
2121 CHECK_LIVE_FRAME (frame);
2122
2123 return FRAME_FOCUS_FRAME (XFRAME (frame));
2124 }
2125
2126
2127 \f
2128 /* Return the value of frame parameter PROP in frame FRAME. */
2129
2130 Lisp_Object
2131 get_frame_param (frame, prop)
2132 register struct frame *frame;
2133 Lisp_Object prop;
2134 {
2135 register Lisp_Object tem;
2136
2137 tem = Fassq (prop, frame->param_alist);
2138 if (EQ (tem, Qnil))
2139 return tem;
2140 return Fcdr (tem);
2141 }
2142
2143 /* Return the buffer-predicate of the selected frame. */
2144
2145 Lisp_Object
2146 frame_buffer_predicate (frame)
2147 Lisp_Object frame;
2148 {
2149 return XFRAME (frame)->buffer_predicate;
2150 }
2151
2152 /* Return the buffer-list of the selected frame. */
2153
2154 Lisp_Object
2155 frame_buffer_list (frame)
2156 Lisp_Object frame;
2157 {
2158 return XFRAME (frame)->buffer_list;
2159 }
2160
2161 /* Set the buffer-list of the selected frame. */
2162
2163 void
2164 set_frame_buffer_list (frame, list)
2165 Lisp_Object frame, list;
2166 {
2167 XFRAME (frame)->buffer_list = list;
2168 }
2169
2170 /* Discard BUFFER from the buffer-list and buried-buffer-list of each frame. */
2171
2172 void
2173 frames_discard_buffer (buffer)
2174 Lisp_Object buffer;
2175 {
2176 Lisp_Object frame, tail;
2177
2178 FOR_EACH_FRAME (tail, frame)
2179 {
2180 XFRAME (frame)->buffer_list
2181 = Fdelq (buffer, XFRAME (frame)->buffer_list);
2182 XFRAME (frame)->buried_buffer_list
2183 = Fdelq (buffer, XFRAME (frame)->buried_buffer_list);
2184 }
2185 }
2186
2187 /* Modify the alist in *ALISTPTR to associate PROP with VAL.
2188 If the alist already has an element for PROP, we change it. */
2189
2190 void
2191 store_in_alist (alistptr, prop, val)
2192 Lisp_Object *alistptr, val;
2193 Lisp_Object prop;
2194 {
2195 register Lisp_Object tem;
2196
2197 tem = Fassq (prop, *alistptr);
2198 if (EQ (tem, Qnil))
2199 *alistptr = Fcons (Fcons (prop, val), *alistptr);
2200 else
2201 Fsetcdr (tem, val);
2202 }
2203
2204 static int
2205 frame_name_fnn_p (str, len)
2206 char *str;
2207 EMACS_INT len;
2208 {
2209 if (len > 1 && str[0] == 'F')
2210 {
2211 char *end_ptr;
2212
2213 strtol (str + 1, &end_ptr, 10);
2214
2215 if (end_ptr == str + len)
2216 return 1;
2217 }
2218 return 0;
2219 }
2220
2221 /* Set the name of the terminal frame. Also used by MSDOS frames.
2222 Modeled after x_set_name which is used for WINDOW frames. */
2223
2224 static void
2225 set_term_frame_name (f, name)
2226 struct frame *f;
2227 Lisp_Object name;
2228 {
2229 f->explicit_name = ! NILP (name);
2230
2231 /* If NAME is nil, set the name to F<num>. */
2232 if (NILP (name))
2233 {
2234 char namebuf[20];
2235
2236 /* Check for no change needed in this very common case
2237 before we do any consing. */
2238 if (frame_name_fnn_p (SDATA (f->name),
2239 SBYTES (f->name)))
2240 return;
2241
2242 tty_frame_count++;
2243 sprintf (namebuf, "F%d", tty_frame_count);
2244 name = build_string (namebuf);
2245 }
2246 else
2247 {
2248 CHECK_STRING (name);
2249
2250 /* Don't change the name if it's already NAME. */
2251 if (! NILP (Fstring_equal (name, f->name)))
2252 return;
2253
2254 /* Don't allow the user to set the frame name to F<num>, so it
2255 doesn't clash with the names we generate for terminal frames. */
2256 if (frame_name_fnn_p (SDATA (name), SBYTES (name)))
2257 error ("Frame names of the form F<num> are usurped by Emacs");
2258 }
2259
2260 f->name = name;
2261 update_mode_lines = 1;
2262 }
2263
2264 void
2265 store_frame_param (f, prop, val)
2266 struct frame *f;
2267 Lisp_Object prop, val;
2268 {
2269 register Lisp_Object old_alist_elt;
2270
2271 /* The buffer-list parameters are stored in a special place and not
2272 in the alist. */
2273 if (EQ (prop, Qbuffer_list))
2274 {
2275 f->buffer_list = val;
2276 return;
2277 }
2278 if (EQ (prop, Qburied_buffer_list))
2279 {
2280 f->buried_buffer_list = val;
2281 return;
2282 }
2283
2284 /* If PROP is a symbol which is supposed to have frame-local values,
2285 and it is set up based on this frame, switch to the global
2286 binding. That way, we can create or alter the frame-local binding
2287 without messing up the symbol's status. */
2288 if (SYMBOLP (prop))
2289 {
2290 Lisp_Object valcontents;
2291 valcontents = SYMBOL_VALUE (prop);
2292 if ((BUFFER_LOCAL_VALUEP (valcontents))
2293 && XBUFFER_LOCAL_VALUE (valcontents)->check_frame
2294 && XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame
2295 && XFRAME (XBUFFER_LOCAL_VALUE (valcontents)->frame) == f)
2296 swap_in_global_binding (prop);
2297 }
2298
2299 /* The tty color needed to be set before the frame's parameter
2300 alist was updated with the new value. This is not true any more,
2301 but we still do this test early on. */
2302 if (FRAME_TERMCAP_P (f) && EQ (prop, Qtty_color_mode)
2303 && f == FRAME_TTY (f)->previous_frame)
2304 /* Force redisplay of this tty. */
2305 FRAME_TTY (f)->previous_frame = NULL;
2306
2307 /* Update the frame parameter alist. */
2308 old_alist_elt = Fassq (prop, f->param_alist);
2309 if (EQ (old_alist_elt, Qnil))
2310 f->param_alist = Fcons (Fcons (prop, val), f->param_alist);
2311 else
2312 Fsetcdr (old_alist_elt, val);
2313
2314 /* Update some other special parameters in their special places
2315 in addition to the alist. */
2316
2317 if (EQ (prop, Qbuffer_predicate))
2318 f->buffer_predicate = val;
2319
2320 if (! FRAME_WINDOW_P (f))
2321 {
2322 if (EQ (prop, Qmenu_bar_lines))
2323 set_menu_bar_lines (f, val, make_number (FRAME_MENU_BAR_LINES (f)));
2324 else if (EQ (prop, Qname))
2325 set_term_frame_name (f, val);
2326 }
2327
2328 if (EQ (prop, Qminibuffer) && WINDOWP (val))
2329 {
2330 if (! MINI_WINDOW_P (XWINDOW (val)))
2331 error ("Surrogate minibuffer windows must be minibuffer windows");
2332
2333 if ((FRAME_HAS_MINIBUF_P (f) || FRAME_MINIBUF_ONLY_P (f))
2334 && !EQ (val, f->minibuffer_window))
2335 error ("Can't change the surrogate minibuffer of a frame with its own minibuffer");
2336
2337 /* Install the chosen minibuffer window, with proper buffer. */
2338 f->minibuffer_window = val;
2339 }
2340 }
2341
2342 DEFUN ("frame-parameters", Fframe_parameters, Sframe_parameters, 0, 1, 0,
2343 doc: /* Return the parameters-alist of frame FRAME.
2344 It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.
2345 The meaningful PARMs depend on the kind of frame.
2346 If FRAME is omitted, return information on the currently selected frame. */)
2347 (frame)
2348 Lisp_Object frame;
2349 {
2350 Lisp_Object alist;
2351 FRAME_PTR f;
2352 int height, width;
2353 struct gcpro gcpro1;
2354
2355 if (NILP (frame))
2356 frame = selected_frame;
2357
2358 CHECK_FRAME (frame);
2359 f = XFRAME (frame);
2360
2361 if (!FRAME_LIVE_P (f))
2362 return Qnil;
2363
2364 alist = Fcopy_alist (f->param_alist);
2365 GCPRO1 (alist);
2366
2367 if (!FRAME_WINDOW_P (f))
2368 {
2369 int fg = FRAME_FOREGROUND_PIXEL (f);
2370 int bg = FRAME_BACKGROUND_PIXEL (f);
2371 Lisp_Object elt;
2372
2373 /* If the frame's parameter alist says the colors are
2374 unspecified and reversed, take the frame's background pixel
2375 for foreground and vice versa. */
2376 elt = Fassq (Qforeground_color, alist);
2377 if (CONSP (elt) && STRINGP (XCDR (elt)))
2378 {
2379 if (strncmp (SDATA (XCDR (elt)),
2380 unspecified_bg,
2381 SCHARS (XCDR (elt))) == 0)
2382 store_in_alist (&alist, Qforeground_color, tty_color_name (f, bg));
2383 else if (strncmp (SDATA (XCDR (elt)),
2384 unspecified_fg,
2385 SCHARS (XCDR (elt))) == 0)
2386 store_in_alist (&alist, Qforeground_color, tty_color_name (f, fg));
2387 }
2388 else
2389 store_in_alist (&alist, Qforeground_color, tty_color_name (f, fg));
2390 elt = Fassq (Qbackground_color, alist);
2391 if (CONSP (elt) && STRINGP (XCDR (elt)))
2392 {
2393 if (strncmp (SDATA (XCDR (elt)),
2394 unspecified_fg,
2395 SCHARS (XCDR (elt))) == 0)
2396 store_in_alist (&alist, Qbackground_color, tty_color_name (f, fg));
2397 else if (strncmp (SDATA (XCDR (elt)),
2398 unspecified_bg,
2399 SCHARS (XCDR (elt))) == 0)
2400 store_in_alist (&alist, Qbackground_color, tty_color_name (f, bg));
2401 }
2402 else
2403 store_in_alist (&alist, Qbackground_color, tty_color_name (f, bg));
2404 store_in_alist (&alist, intern ("font"),
2405 build_string (FRAME_MSDOS_P (f)
2406 ? "ms-dos"
2407 : FRAME_W32_P (f) ? "w32term"
2408 :"tty"));
2409 }
2410 store_in_alist (&alist, Qname, f->name);
2411 height = (f->new_text_lines ? f->new_text_lines : FRAME_LINES (f));
2412 store_in_alist (&alist, Qheight, make_number (height));
2413 width = (f->new_text_cols ? f->new_text_cols : FRAME_COLS (f));
2414 store_in_alist (&alist, Qwidth, make_number (width));
2415 store_in_alist (&alist, Qmodeline, (FRAME_WANTS_MODELINE_P (f) ? Qt : Qnil));
2416 store_in_alist (&alist, Qminibuffer,
2417 (! FRAME_HAS_MINIBUF_P (f) ? Qnil
2418 : FRAME_MINIBUF_ONLY_P (f) ? Qonly
2419 : FRAME_MINIBUF_WINDOW (f)));
2420 store_in_alist (&alist, Qunsplittable, (FRAME_NO_SPLIT_P (f) ? Qt : Qnil));
2421 store_in_alist (&alist, Qbuffer_list, frame_buffer_list (frame));
2422 store_in_alist (&alist, Qburied_buffer_list, XFRAME (frame)->buried_buffer_list);
2423
2424 /* I think this should be done with a hook. */
2425 #ifdef HAVE_WINDOW_SYSTEM
2426 if (FRAME_WINDOW_P (f))
2427 x_report_frame_params (f, &alist);
2428 else
2429 #endif
2430 {
2431 /* This ought to be correct in f->param_alist for an X frame. */
2432 Lisp_Object lines;
2433 XSETFASTINT (lines, FRAME_MENU_BAR_LINES (f));
2434 store_in_alist (&alist, Qmenu_bar_lines, lines);
2435 }
2436
2437 UNGCPRO;
2438 return alist;
2439 }
2440
2441
2442 DEFUN ("frame-parameter", Fframe_parameter, Sframe_parameter, 2, 2, 0,
2443 doc: /* Return FRAME's value for parameter PARAMETER.
2444 If FRAME is nil, describe the currently selected frame. */)
2445 (frame, parameter)
2446 Lisp_Object frame, parameter;
2447 {
2448 struct frame *f;
2449 Lisp_Object value;
2450
2451 if (NILP (frame))
2452 frame = selected_frame;
2453 else
2454 CHECK_FRAME (frame);
2455 CHECK_SYMBOL (parameter);
2456
2457 f = XFRAME (frame);
2458 value = Qnil;
2459
2460 if (FRAME_LIVE_P (f))
2461 {
2462 /* Avoid consing in frequent cases. */
2463 if (EQ (parameter, Qname))
2464 value = f->name;
2465 #ifdef HAVE_X_WINDOWS
2466 else if (EQ (parameter, Qdisplay) && FRAME_X_P (f))
2467 value = XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element);
2468 #endif /* HAVE_X_WINDOWS */
2469 else if (EQ (parameter, Qbackground_color)
2470 || EQ (parameter, Qforeground_color))
2471 {
2472 value = Fassq (parameter, f->param_alist);
2473 if (CONSP (value))
2474 {
2475 value = XCDR (value);
2476 /* Fframe_parameters puts the actual fg/bg color names,
2477 even if f->param_alist says otherwise. This is
2478 important when param_alist's notion of colors is
2479 "unspecified". We need to do the same here. */
2480 if (STRINGP (value) && !FRAME_WINDOW_P (f))
2481 {
2482 const char *color_name;
2483 EMACS_INT csz;
2484
2485 if (EQ (parameter, Qbackground_color))
2486 {
2487 color_name = SDATA (value);
2488 csz = SCHARS (value);
2489 if (strncmp (color_name, unspecified_bg, csz) == 0)
2490 value = tty_color_name (f, FRAME_BACKGROUND_PIXEL (f));
2491 else if (strncmp (color_name, unspecified_fg, csz) == 0)
2492 value = tty_color_name (f, FRAME_FOREGROUND_PIXEL (f));
2493 }
2494 else if (EQ (parameter, Qforeground_color))
2495 {
2496 color_name = SDATA (value);
2497 csz = SCHARS (value);
2498 if (strncmp (color_name, unspecified_fg, csz) == 0)
2499 value = tty_color_name (f, FRAME_FOREGROUND_PIXEL (f));
2500 else if (strncmp (color_name, unspecified_bg, csz) == 0)
2501 value = tty_color_name (f, FRAME_BACKGROUND_PIXEL (f));
2502 }
2503 }
2504 }
2505 else
2506 value = Fcdr (Fassq (parameter, Fframe_parameters (frame)));
2507 }
2508 else if (EQ (parameter, Qdisplay_type)
2509 || EQ (parameter, Qbackground_mode))
2510 value = Fcdr (Fassq (parameter, f->param_alist));
2511 else
2512 value = Fcdr (Fassq (parameter, Fframe_parameters (frame)));
2513 }
2514
2515 return value;
2516 }
2517
2518
2519 DEFUN ("modify-frame-parameters", Fmodify_frame_parameters,
2520 Smodify_frame_parameters, 2, 2, 0,
2521 doc: /* Modify the parameters of frame FRAME according to ALIST.
2522 If FRAME is nil, it defaults to the selected frame.
2523 ALIST is an alist of parameters to change and their new values.
2524 Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.
2525 The meaningful PARMs depend on the kind of frame.
2526 Undefined PARMs are ignored, but stored in the frame's parameter list
2527 so that `frame-parameters' will return them.
2528
2529 The value of frame parameter FOO can also be accessed
2530 as a frame-local binding for the variable FOO, if you have
2531 enabled such bindings for that variable with `make-variable-frame-local'.
2532 Note that this functionality is obsolete as of Emacs 22.2, and its
2533 use is not recommended. Explicitly check for a frame-parameter instead. */)
2534 (frame, alist)
2535 Lisp_Object frame, alist;
2536 {
2537 FRAME_PTR f;
2538 register Lisp_Object tail, prop, val;
2539
2540 if (EQ (frame, Qnil))
2541 frame = selected_frame;
2542 CHECK_LIVE_FRAME (frame);
2543 f = XFRAME (frame);
2544
2545 /* I think this should be done with a hook. */
2546 #ifdef HAVE_WINDOW_SYSTEM
2547 if (FRAME_WINDOW_P (f))
2548 x_set_frame_parameters (f, alist);
2549 else
2550 #endif
2551 #ifdef MSDOS
2552 if (FRAME_MSDOS_P (f))
2553 IT_set_frame_parameters (f, alist);
2554 else
2555 #endif
2556
2557 {
2558 int length = XINT (Flength (alist));
2559 int i;
2560 Lisp_Object *parms
2561 = (Lisp_Object *) alloca (length * sizeof (Lisp_Object));
2562 Lisp_Object *values
2563 = (Lisp_Object *) alloca (length * sizeof (Lisp_Object));
2564
2565 /* Extract parm names and values into those vectors. */
2566
2567 i = 0;
2568 for (tail = alist; CONSP (tail); tail = XCDR (tail))
2569 {
2570 Lisp_Object elt;
2571
2572 elt = XCAR (tail);
2573 parms[i] = Fcar (elt);
2574 values[i] = Fcdr (elt);
2575 i++;
2576 }
2577
2578 /* Now process them in reverse of specified order. */
2579 for (i--; i >= 0; i--)
2580 {
2581 prop = parms[i];
2582 val = values[i];
2583 store_frame_param (f, prop, val);
2584
2585 /* Changing the background color might change the background
2586 mode, so that we have to load new defface specs.
2587 Call frame-set-background-mode to do that. */
2588 if (EQ (prop, Qbackground_color))
2589 call1 (Qframe_set_background_mode, frame);
2590 }
2591 }
2592 return Qnil;
2593 }
2594 \f
2595 DEFUN ("frame-char-height", Fframe_char_height, Sframe_char_height,
2596 0, 1, 0,
2597 doc: /* Height in pixels of a line in the font in frame FRAME.
2598 If FRAME is omitted, the selected frame is used.
2599 For a terminal frame, the value is always 1. */)
2600 (frame)
2601 Lisp_Object frame;
2602 {
2603 struct frame *f;
2604
2605 if (NILP (frame))
2606 frame = selected_frame;
2607 CHECK_FRAME (frame);
2608 f = XFRAME (frame);
2609
2610 #ifdef HAVE_WINDOW_SYSTEM
2611 if (FRAME_WINDOW_P (f))
2612 return make_number (x_char_height (f));
2613 else
2614 #endif
2615 return make_number (1);
2616 }
2617
2618
2619 DEFUN ("frame-char-width", Fframe_char_width, Sframe_char_width,
2620 0, 1, 0,
2621 doc: /* Width in pixels of characters in the font in frame FRAME.
2622 If FRAME is omitted, the selected frame is used.
2623 On a graphical screen, the width is the standard width of the default font.
2624 For a terminal screen, the value is always 1. */)
2625 (frame)
2626 Lisp_Object frame;
2627 {
2628 struct frame *f;
2629
2630 if (NILP (frame))
2631 frame = selected_frame;
2632 CHECK_FRAME (frame);
2633 f = XFRAME (frame);
2634
2635 #ifdef HAVE_WINDOW_SYSTEM
2636 if (FRAME_WINDOW_P (f))
2637 return make_number (x_char_width (f));
2638 else
2639 #endif
2640 return make_number (1);
2641 }
2642
2643 DEFUN ("frame-pixel-height", Fframe_pixel_height,
2644 Sframe_pixel_height, 0, 1, 0,
2645 doc: /* Return a FRAME's height in pixels.
2646 This counts only the height available for text lines,
2647 not menu bars on window-system Emacs frames.
2648 For a terminal frame, the result really gives the height in characters.
2649 If FRAME is omitted, the selected frame is used. */)
2650 (frame)
2651 Lisp_Object frame;
2652 {
2653 struct frame *f;
2654
2655 if (NILP (frame))
2656 frame = selected_frame;
2657 CHECK_FRAME (frame);
2658 f = XFRAME (frame);
2659
2660 #ifdef HAVE_WINDOW_SYSTEM
2661 if (FRAME_WINDOW_P (f))
2662 return make_number (x_pixel_height (f));
2663 else
2664 #endif
2665 return make_number (FRAME_LINES (f));
2666 }
2667
2668 DEFUN ("frame-pixel-width", Fframe_pixel_width,
2669 Sframe_pixel_width, 0, 1, 0,
2670 doc: /* Return FRAME's width in pixels.
2671 For a terminal frame, the result really gives the width in characters.
2672 If FRAME is omitted, the selected frame is used. */)
2673 (frame)
2674 Lisp_Object frame;
2675 {
2676 struct frame *f;
2677
2678 if (NILP (frame))
2679 frame = selected_frame;
2680 CHECK_FRAME (frame);
2681 f = XFRAME (frame);
2682
2683 #ifdef HAVE_WINDOW_SYSTEM
2684 if (FRAME_WINDOW_P (f))
2685 return make_number (x_pixel_width (f));
2686 else
2687 #endif
2688 return make_number (FRAME_COLS (f));
2689 }
2690 \f
2691 DEFUN ("set-frame-height", Fset_frame_height, Sset_frame_height, 2, 3, 0,
2692 doc: /* Specify that the frame FRAME has LINES lines.
2693 Optional third arg non-nil means that redisplay should use LINES lines
2694 but that the idea of the actual height of the frame should not be changed. */)
2695 (frame, lines, pretend)
2696 Lisp_Object frame, lines, pretend;
2697 {
2698 register struct frame *f;
2699
2700 CHECK_NUMBER (lines);
2701 if (NILP (frame))
2702 frame = selected_frame;
2703 CHECK_LIVE_FRAME (frame);
2704 f = XFRAME (frame);
2705
2706 /* I think this should be done with a hook. */
2707 #ifdef HAVE_WINDOW_SYSTEM
2708 if (FRAME_WINDOW_P (f))
2709 {
2710 if (XINT (lines) != FRAME_LINES (f))
2711 x_set_window_size (f, 1, FRAME_COLS (f), XINT (lines));
2712 do_pending_window_change (0);
2713 }
2714 else
2715 #endif
2716 change_frame_size (f, XINT (lines), 0, !NILP (pretend), 0, 0);
2717 return Qnil;
2718 }
2719
2720 DEFUN ("set-frame-width", Fset_frame_width, Sset_frame_width, 2, 3, 0,
2721 doc: /* Specify that the frame FRAME has COLS columns.
2722 Optional third arg non-nil means that redisplay should use COLS columns
2723 but that the idea of the actual width of the frame should not be changed. */)
2724 (frame, cols, pretend)
2725 Lisp_Object frame, cols, pretend;
2726 {
2727 register struct frame *f;
2728 CHECK_NUMBER (cols);
2729 if (NILP (frame))
2730 frame = selected_frame;
2731 CHECK_LIVE_FRAME (frame);
2732 f = XFRAME (frame);
2733
2734 /* I think this should be done with a hook. */
2735 #ifdef HAVE_WINDOW_SYSTEM
2736 if (FRAME_WINDOW_P (f))
2737 {
2738 if (XINT (cols) != FRAME_COLS (f))
2739 x_set_window_size (f, 1, XINT (cols), FRAME_LINES (f));
2740 do_pending_window_change (0);
2741 }
2742 else
2743 #endif
2744 change_frame_size (f, 0, XINT (cols), !NILP (pretend), 0, 0);
2745 return Qnil;
2746 }
2747
2748 DEFUN ("set-frame-size", Fset_frame_size, Sset_frame_size, 3, 3, 0,
2749 doc: /* Sets size of FRAME to COLS by ROWS, measured in characters. */)
2750 (frame, cols, rows)
2751 Lisp_Object frame, cols, rows;
2752 {
2753 register struct frame *f;
2754
2755 CHECK_LIVE_FRAME (frame);
2756 CHECK_NUMBER (cols);
2757 CHECK_NUMBER (rows);
2758 f = XFRAME (frame);
2759
2760 /* I think this should be done with a hook. */
2761 #ifdef HAVE_WINDOW_SYSTEM
2762 if (FRAME_WINDOW_P (f))
2763 {
2764 if (XINT (rows) != FRAME_LINES (f)
2765 || XINT (cols) != FRAME_COLS (f)
2766 || f->new_text_lines || f->new_text_cols)
2767 x_set_window_size (f, 1, XINT (cols), XINT (rows));
2768 do_pending_window_change (0);
2769 }
2770 else
2771 #endif
2772 change_frame_size (f, XINT (rows), XINT (cols), 0, 0, 0);
2773
2774 return Qnil;
2775 }
2776
2777 DEFUN ("set-frame-position", Fset_frame_position,
2778 Sset_frame_position, 3, 3, 0,
2779 doc: /* Sets position of FRAME in pixels to XOFFSET by YOFFSET.
2780 This is actually the position of the upper left corner of the frame.
2781 Negative values for XOFFSET or YOFFSET are interpreted relative to
2782 the rightmost or bottommost possible position (that stays within the screen). */)
2783 (frame, xoffset, yoffset)
2784 Lisp_Object frame, xoffset, yoffset;
2785 {
2786 register struct frame *f;
2787
2788 CHECK_LIVE_FRAME (frame);
2789 CHECK_NUMBER (xoffset);
2790 CHECK_NUMBER (yoffset);
2791 f = XFRAME (frame);
2792
2793 /* I think this should be done with a hook. */
2794 #ifdef HAVE_WINDOW_SYSTEM
2795 if (FRAME_WINDOW_P (f))
2796 x_set_offset (f, XINT (xoffset), XINT (yoffset), 1);
2797 #endif
2798
2799 return Qt;
2800 }
2801
2802 \f
2803 /***********************************************************************
2804 Frame Parameters
2805 ***********************************************************************/
2806
2807 /* Connect the frame-parameter names for X frames
2808 to the ways of passing the parameter values to the window system.
2809
2810 The name of a parameter, as a Lisp symbol,
2811 has an `x-frame-parameter' property which is an integer in Lisp
2812 that is an index in this table. */
2813
2814 struct frame_parm_table {
2815 char *name;
2816 Lisp_Object *variable;
2817 };
2818
2819 static struct frame_parm_table frame_parms[] =
2820 {
2821 {"auto-raise", &Qauto_raise},
2822 {"auto-lower", &Qauto_lower},
2823 {"background-color", 0},
2824 {"border-color", &Qborder_color},
2825 {"border-width", &Qborder_width},
2826 {"cursor-color", &Qcursor_color},
2827 {"cursor-type", &Qcursor_type},
2828 {"font", 0},
2829 {"foreground-color", 0},
2830 {"icon-name", &Qicon_name},
2831 {"icon-type", &Qicon_type},
2832 {"internal-border-width", &Qinternal_border_width},
2833 {"menu-bar-lines", &Qmenu_bar_lines},
2834 {"mouse-color", &Qmouse_color},
2835 {"name", &Qname},
2836 {"scroll-bar-width", &Qscroll_bar_width},
2837 {"title", &Qtitle},
2838 {"unsplittable", &Qunsplittable},
2839 {"vertical-scroll-bars", &Qvertical_scroll_bars},
2840 {"visibility", &Qvisibility},
2841 {"tool-bar-lines", &Qtool_bar_lines},
2842 {"scroll-bar-foreground", &Qscroll_bar_foreground},
2843 {"scroll-bar-background", &Qscroll_bar_background},
2844 {"screen-gamma", &Qscreen_gamma},
2845 {"line-spacing", &Qline_spacing},
2846 {"left-fringe", &Qleft_fringe},
2847 {"right-fringe", &Qright_fringe},
2848 {"wait-for-wm", &Qwait_for_wm},
2849 {"fullscreen", &Qfullscreen},
2850 {"font-backend", &Qfont_backend},
2851 {"alpha", &Qalpha},
2852 {"sticky", &Qsticky},
2853 };
2854
2855 #ifdef HAVE_WINDOW_SYSTEM
2856
2857 extern Lisp_Object Qbox;
2858 extern Lisp_Object Qtop;
2859
2860 /* Calculate fullscreen size. Return in *TOP_POS and *LEFT_POS the
2861 wanted positions of the WM window (not Emacs window).
2862 Return in *WIDTH and *HEIGHT the wanted width and height of Emacs
2863 window (FRAME_X_WINDOW).
2864 */
2865
2866 void
2867 x_fullscreen_adjust (f, width, height, top_pos, left_pos)
2868 struct frame *f;
2869 int *width;
2870 int *height;
2871 int *top_pos;
2872 int *left_pos;
2873 {
2874 int newwidth = FRAME_COLS (f);
2875 int newheight = FRAME_LINES (f);
2876 Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
2877
2878 *top_pos = f->top_pos;
2879 *left_pos = f->left_pos;
2880
2881 if (f->want_fullscreen & FULLSCREEN_HEIGHT)
2882 {
2883 int ph;
2884
2885 ph = x_display_pixel_height (dpyinfo);
2886 newheight = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, ph);
2887 ph = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, newheight) - f->y_pixels_diff;
2888 newheight = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, ph);
2889 *top_pos = 0;
2890 }
2891
2892 if (f->want_fullscreen & FULLSCREEN_WIDTH)
2893 {
2894 int pw;
2895
2896 pw = x_display_pixel_width (dpyinfo);
2897 newwidth = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pw);
2898 pw = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, newwidth) - f->x_pixels_diff;
2899 newwidth = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pw);
2900 *left_pos = 0;
2901 }
2902
2903 *width = newwidth;
2904 *height = newheight;
2905 }
2906
2907
2908 /* Change the parameters of frame F as specified by ALIST.
2909 If a parameter is not specially recognized, do nothing special;
2910 otherwise call the `x_set_...' function for that parameter.
2911 Except for certain geometry properties, always call store_frame_param
2912 to store the new value in the parameter alist. */
2913
2914 void
2915 x_set_frame_parameters (f, alist)
2916 FRAME_PTR f;
2917 Lisp_Object alist;
2918 {
2919 Lisp_Object tail;
2920
2921 /* If both of these parameters are present, it's more efficient to
2922 set them both at once. So we wait until we've looked at the
2923 entire list before we set them. */
2924 int width, height;
2925
2926 /* Same here. */
2927 Lisp_Object left, top;
2928
2929 /* Same with these. */
2930 Lisp_Object icon_left, icon_top;
2931
2932 /* Record in these vectors all the parms specified. */
2933 Lisp_Object *parms;
2934 Lisp_Object *values;
2935 int i, p;
2936 int left_no_change = 0, top_no_change = 0;
2937 int icon_left_no_change = 0, icon_top_no_change = 0;
2938 int size_changed = 0;
2939 struct gcpro gcpro1, gcpro2;
2940
2941 i = 0;
2942 for (tail = alist; CONSP (tail); tail = Fcdr (tail))
2943 i++;
2944
2945 parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
2946 values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
2947
2948 /* Extract parm names and values into those vectors. */
2949
2950 i = 0;
2951 for (tail = alist; CONSP (tail); tail = XCDR (tail))
2952 {
2953 Lisp_Object elt;
2954
2955 elt = XCAR (tail);
2956 parms[i] = Fcar (elt);
2957 values[i] = Fcdr (elt);
2958 i++;
2959 }
2960 /* TAIL and ALIST are not used again below here. */
2961 alist = tail = Qnil;
2962
2963 GCPRO2 (*parms, *values);
2964 gcpro1.nvars = i;
2965 gcpro2.nvars = i;
2966
2967 /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
2968 because their values appear in VALUES and strings are not valid. */
2969 top = left = Qunbound;
2970 icon_left = icon_top = Qunbound;
2971
2972 /* Provide default values for HEIGHT and WIDTH. */
2973 width = (f->new_text_cols ? f->new_text_cols : FRAME_COLS (f));
2974 height = (f->new_text_lines ? f->new_text_lines : FRAME_LINES (f));
2975
2976 /* Process foreground_color and background_color before anything else.
2977 They are independent of other properties, but other properties (e.g.,
2978 cursor_color) are dependent upon them. */
2979 /* Process default font as well, since fringe widths depends on it. */
2980 for (p = 0; p < i; p++)
2981 {
2982 Lisp_Object prop, val;
2983
2984 prop = parms[p];
2985 val = values[p];
2986 if (EQ (prop, Qforeground_color)
2987 || EQ (prop, Qbackground_color)
2988 || EQ (prop, Qfont))
2989 {
2990 register Lisp_Object param_index, old_value;
2991
2992 old_value = get_frame_param (f, prop);
2993 if (NILP (Fequal (val, old_value)))
2994 {
2995 store_frame_param (f, prop, val);
2996
2997 param_index = Fget (prop, Qx_frame_parameter);
2998 if (NATNUMP (param_index)
2999 && (XFASTINT (param_index)
3000 < sizeof (frame_parms)/sizeof (frame_parms[0]))
3001 && FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])
3002 (*(FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])) (f, val, old_value);
3003 }
3004 }
3005 }
3006
3007 /* Now process them in reverse of specified order. */
3008 for (i--; i >= 0; i--)
3009 {
3010 Lisp_Object prop, val;
3011
3012 prop = parms[i];
3013 val = values[i];
3014
3015 if (EQ (prop, Qwidth) && NATNUMP (val))
3016 {
3017 size_changed = 1;
3018 width = XFASTINT (val);
3019 }
3020 else if (EQ (prop, Qheight) && NATNUMP (val))
3021 {
3022 size_changed = 1;
3023 height = XFASTINT (val);
3024 }
3025 else if (EQ (prop, Qtop))
3026 top = val;
3027 else if (EQ (prop, Qleft))
3028 left = val;
3029 else if (EQ (prop, Qicon_top))
3030 icon_top = val;
3031 else if (EQ (prop, Qicon_left))
3032 icon_left = val;
3033 else if (EQ (prop, Qforeground_color)
3034 || EQ (prop, Qbackground_color)
3035 || EQ (prop, Qfont))
3036 /* Processed above. */
3037 continue;
3038 else
3039 {
3040 register Lisp_Object param_index, old_value;
3041
3042 old_value = get_frame_param (f, prop);
3043
3044 store_frame_param (f, prop, val);
3045
3046 param_index = Fget (prop, Qx_frame_parameter);
3047 if (NATNUMP (param_index)
3048 && (XFASTINT (param_index)
3049 < sizeof (frame_parms)/sizeof (frame_parms[0]))
3050 && FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])
3051 (*(FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])) (f, val, old_value);
3052 }
3053 }
3054
3055 /* Don't die if just one of these was set. */
3056 if (EQ (left, Qunbound))
3057 {
3058 left_no_change = 1;
3059 if (f->left_pos < 0)
3060 left = Fcons (Qplus, Fcons (make_number (f->left_pos), Qnil));
3061 else
3062 XSETINT (left, f->left_pos);
3063 }
3064 if (EQ (top, Qunbound))
3065 {
3066 top_no_change = 1;
3067 if (f->top_pos < 0)
3068 top = Fcons (Qplus, Fcons (make_number (f->top_pos), Qnil));
3069 else
3070 XSETINT (top, f->top_pos);
3071 }
3072
3073 /* If one of the icon positions was not set, preserve or default it. */
3074 if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left))
3075 {
3076 icon_left_no_change = 1;
3077 icon_left = Fcdr (Fassq (Qicon_left, f->param_alist));
3078 if (NILP (icon_left))
3079 XSETINT (icon_left, 0);
3080 }
3081 if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top))
3082 {
3083 icon_top_no_change = 1;
3084 icon_top = Fcdr (Fassq (Qicon_top, f->param_alist));
3085 if (NILP (icon_top))
3086 XSETINT (icon_top, 0);
3087 }
3088
3089 /* Don't set these parameters unless they've been explicitly
3090 specified. The window might be mapped or resized while we're in
3091 this function, and we don't want to override that unless the lisp
3092 code has asked for it.
3093
3094 Don't set these parameters unless they actually differ from the
3095 window's current parameters; the window may not actually exist
3096 yet. */
3097 {
3098 Lisp_Object frame;
3099
3100 check_frame_size (f, &height, &width);
3101
3102 XSETFRAME (frame, f);
3103
3104 if (size_changed
3105 && (width != FRAME_COLS (f)
3106 || height != FRAME_LINES (f)
3107 || f->new_text_lines || f->new_text_cols))
3108 Fset_frame_size (frame, make_number (width), make_number (height));
3109
3110 if ((!NILP (left) || !NILP (top))
3111 && ! (left_no_change && top_no_change)
3112 && ! (NUMBERP (left) && XINT (left) == f->left_pos
3113 && NUMBERP (top) && XINT (top) == f->top_pos))
3114 {
3115 int leftpos = 0;
3116 int toppos = 0;
3117
3118 /* Record the signs. */
3119 f->size_hint_flags &= ~ (XNegative | YNegative);
3120 if (EQ (left, Qminus))
3121 f->size_hint_flags |= XNegative;
3122 else if (INTEGERP (left))
3123 {
3124 leftpos = XINT (left);
3125 if (leftpos < 0)
3126 f->size_hint_flags |= XNegative;
3127 }
3128 else if (CONSP (left) && EQ (XCAR (left), Qminus)
3129 && CONSP (XCDR (left))
3130 && INTEGERP (XCAR (XCDR (left))))
3131 {
3132 leftpos = - XINT (XCAR (XCDR (left)));
3133 f->size_hint_flags |= XNegative;
3134 }
3135 else if (CONSP (left) && EQ (XCAR (left), Qplus)
3136 && CONSP (XCDR (left))
3137 && INTEGERP (XCAR (XCDR (left))))
3138 {
3139 leftpos = XINT (XCAR (XCDR (left)));
3140 }
3141
3142 if (EQ (top, Qminus))
3143 f->size_hint_flags |= YNegative;
3144 else if (INTEGERP (top))
3145 {
3146 toppos = XINT (top);
3147 if (toppos < 0)
3148 f->size_hint_flags |= YNegative;
3149 }
3150 else if (CONSP (top) && EQ (XCAR (top), Qminus)
3151 && CONSP (XCDR (top))
3152 && INTEGERP (XCAR (XCDR (top))))
3153 {
3154 toppos = - XINT (XCAR (XCDR (top)));
3155 f->size_hint_flags |= YNegative;
3156 }
3157 else if (CONSP (top) && EQ (XCAR (top), Qplus)
3158 && CONSP (XCDR (top))
3159 && INTEGERP (XCAR (XCDR (top))))
3160 {
3161 toppos = XINT (XCAR (XCDR (top)));
3162 }
3163
3164
3165 /* Store the numeric value of the position. */
3166 f->top_pos = toppos;
3167 f->left_pos = leftpos;
3168
3169 f->win_gravity = NorthWestGravity;
3170
3171 /* Actually set that position, and convert to absolute. */
3172 x_set_offset (f, leftpos, toppos, -1);
3173 }
3174
3175 if ((!NILP (icon_left) || !NILP (icon_top))
3176 && ! (icon_left_no_change && icon_top_no_change))
3177 x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
3178 }
3179
3180 UNGCPRO;
3181 }
3182
3183
3184 /* Insert a description of internally-recorded parameters of frame X
3185 into the parameter alist *ALISTPTR that is to be given to the user.
3186 Only parameters that are specific to the X window system
3187 and whose values are not correctly recorded in the frame's
3188 param_alist need to be considered here. */
3189
3190 void
3191 x_report_frame_params (f, alistptr)
3192 struct frame *f;
3193 Lisp_Object *alistptr;
3194 {
3195 char buf[16];
3196 Lisp_Object tem;
3197
3198 /* Represent negative positions (off the top or left screen edge)
3199 in a way that Fmodify_frame_parameters will understand correctly. */
3200 XSETINT (tem, f->left_pos);
3201 if (f->left_pos >= 0)
3202 store_in_alist (alistptr, Qleft, tem);
3203 else
3204 store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil)));
3205
3206 XSETINT (tem, f->top_pos);
3207 if (f->top_pos >= 0)
3208 store_in_alist (alistptr, Qtop, tem);
3209 else
3210 store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil)));
3211
3212 store_in_alist (alistptr, Qborder_width,
3213 make_number (f->border_width));
3214 store_in_alist (alistptr, Qinternal_border_width,
3215 make_number (FRAME_INTERNAL_BORDER_WIDTH (f)));
3216 store_in_alist (alistptr, Qleft_fringe,
3217 make_number (FRAME_LEFT_FRINGE_WIDTH (f)));
3218 store_in_alist (alistptr, Qright_fringe,
3219 make_number (FRAME_RIGHT_FRINGE_WIDTH (f)));
3220 store_in_alist (alistptr, Qscroll_bar_width,
3221 (! FRAME_HAS_VERTICAL_SCROLL_BARS (f)
3222 ? make_number (0)
3223 : FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0
3224 ? make_number (FRAME_CONFIG_SCROLL_BAR_WIDTH (f))
3225 /* nil means "use default width"
3226 for non-toolkit scroll bar.
3227 ruler-mode.el depends on this. */
3228 : Qnil));
3229 sprintf (buf, "%ld", (long) FRAME_X_WINDOW (f));
3230 store_in_alist (alistptr, Qwindow_id,
3231 build_string (buf));
3232 #ifdef HAVE_X_WINDOWS
3233 #ifdef USE_X_TOOLKIT
3234 /* Tooltip frame may not have this widget. */
3235 if (FRAME_X_OUTPUT (f)->widget)
3236 #endif
3237 sprintf (buf, "%ld", (long) FRAME_OUTER_WINDOW (f));
3238 store_in_alist (alistptr, Qouter_window_id,
3239 build_string (buf));
3240 #endif
3241 store_in_alist (alistptr, Qicon_name, f->icon_name);
3242 FRAME_SAMPLE_VISIBILITY (f);
3243 store_in_alist (alistptr, Qvisibility,
3244 (FRAME_VISIBLE_P (f) ? Qt
3245 : FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
3246 store_in_alist (alistptr, Qdisplay,
3247 XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element));
3248
3249 if (FRAME_X_OUTPUT (f)->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window)
3250 tem = Qnil;
3251 else
3252 XSETFASTINT (tem, FRAME_X_OUTPUT (f)->parent_desc);
3253 store_in_alist (alistptr, Qexplicit_name, (f->explicit_name ? Qt : Qnil));
3254 store_in_alist (alistptr, Qparent_id, tem);
3255 }
3256
3257
3258 /* Change the `fullscreen' frame parameter of frame F. OLD_VALUE is
3259 the previous value of that parameter, NEW_VALUE is the new value. */
3260
3261 void
3262 x_set_fullscreen (f, new_value, old_value)
3263 struct frame *f;
3264 Lisp_Object new_value, old_value;
3265 {
3266 if (NILP (new_value))
3267 f->want_fullscreen = FULLSCREEN_NONE;
3268 else if (EQ (new_value, Qfullboth) || EQ (new_value, Qfullscreen))
3269 f->want_fullscreen = FULLSCREEN_BOTH;
3270 else if (EQ (new_value, Qfullwidth))
3271 f->want_fullscreen = FULLSCREEN_WIDTH;
3272 else if (EQ (new_value, Qfullheight))
3273 f->want_fullscreen = FULLSCREEN_HEIGHT;
3274 else if (EQ (new_value, Qmaximized))
3275 f->want_fullscreen = FULLSCREEN_MAXIMIZED;
3276
3277 if (FRAME_TERMINAL (f)->fullscreen_hook != NULL)
3278 FRAME_TERMINAL (f)->fullscreen_hook (f);
3279 }
3280
3281
3282 /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is
3283 the previous value of that parameter, NEW_VALUE is the new value. */
3284
3285 void
3286 x_set_line_spacing (f, new_value, old_value)
3287 struct frame *f;
3288 Lisp_Object new_value, old_value;
3289 {
3290 if (NILP (new_value))
3291 f->extra_line_spacing = 0;
3292 else if (NATNUMP (new_value))
3293 f->extra_line_spacing = XFASTINT (new_value);
3294 else
3295 signal_error ("Invalid line-spacing", new_value);
3296 if (FRAME_VISIBLE_P (f))
3297 redraw_frame (f);
3298 }
3299
3300
3301 /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is
3302 the previous value of that parameter, NEW_VALUE is the new value. */
3303
3304 void
3305 x_set_screen_gamma (f, new_value, old_value)
3306 struct frame *f;
3307 Lisp_Object new_value, old_value;
3308 {
3309 Lisp_Object bgcolor;
3310
3311 if (NILP (new_value))
3312 f->gamma = 0;
3313 else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0)
3314 /* The value 0.4545 is the normal viewing gamma. */
3315 f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value));
3316 else
3317 signal_error ("Invalid screen-gamma", new_value);
3318
3319 /* Apply the new gamma value to the frame background. */
3320 bgcolor = Fassq (Qbackground_color, f->param_alist);
3321 if (CONSP (bgcolor) && (bgcolor = XCDR (bgcolor), STRINGP (bgcolor)))
3322 {
3323 Lisp_Object index = Fget (Qbackground_color, Qx_frame_parameter);
3324 if (NATNUMP (index)
3325 && (XFASTINT (index)
3326 < sizeof (frame_parms)/sizeof (frame_parms[0]))
3327 && FRAME_RIF (f)->frame_parm_handlers[XFASTINT (index)])
3328 (*FRAME_RIF (f)->frame_parm_handlers[XFASTINT (index)])
3329 (f, bgcolor, Qnil);
3330 }
3331
3332 Fclear_face_cache (Qnil);
3333 }
3334
3335
3336 void
3337 x_set_font (f, arg, oldval)
3338 struct frame *f;
3339 Lisp_Object arg, oldval;
3340 {
3341 Lisp_Object frame, font_object, lval;
3342 int fontset = -1;
3343
3344 /* Set the frame parameter back to the old value because we may
3345 fail to use ARG as the new parameter value. */
3346 store_frame_param (f, Qfont, oldval);
3347
3348 /* ARG is a fontset name, a font name, a cons of fontset name and a
3349 font object, or a font object. In the last case, this function
3350 never fail. */
3351 if (STRINGP (arg))
3352 {
3353 fontset = fs_query_fontset (arg, 0);
3354 if (fontset < 0)
3355 {
3356 font_object = font_open_by_name (f, SDATA (arg));
3357 if (NILP (font_object))
3358 error ("Font `%s' is not defined", SDATA (arg));
3359 arg = AREF (font_object, FONT_NAME_INDEX);
3360 }
3361 else if (fontset > 0)
3362 {
3363 Lisp_Object ascii_font = fontset_ascii (fontset);
3364
3365 font_object = font_open_by_name (f, SDATA (ascii_font));
3366 if (NILP (font_object))
3367 error ("Font `%s' is not defined", SDATA (arg));
3368 arg = AREF (font_object, FONT_NAME_INDEX);
3369 }
3370 else
3371 error ("The default fontset can't be used for a frame font");
3372 }
3373 else if (CONSP (arg) && STRINGP (XCAR (arg)) && FONT_OBJECT_P (XCDR (arg)))
3374 {
3375 /* This is the case that the ASCII font of F's fontset XCAR
3376 (arg) is changed to the font XCDR (arg) by
3377 `set-fontset-font'. */
3378 fontset = fs_query_fontset (XCAR (arg), 0);
3379 if (fontset < 0)
3380 error ("Unknown fontset: %s", SDATA (XCAR (arg)));
3381 font_object = XCDR (arg);
3382 arg = AREF (font_object, FONT_NAME_INDEX);
3383 }
3384 else if (FONT_OBJECT_P (arg))
3385 {
3386 font_object = arg;
3387 /* This is to store the XLFD font name in the frame parameter for
3388 backward compatiblity. We should store the font-object
3389 itself in the future. */
3390 arg = AREF (font_object, FONT_NAME_INDEX);
3391 fontset = FRAME_FONTSET (f);
3392 /* Check if we can use the current fontset. If not, set FONTSET
3393 to -1 to generate a new fontset from FONT-OBJECT. */
3394 if (fontset >= 0)
3395 {
3396 Lisp_Object ascii_font = fontset_ascii (fontset);
3397 Lisp_Object spec = font_spec_from_name (ascii_font);
3398
3399 if (! font_match_p (spec, font_object))
3400 fontset = -1;
3401 }
3402 }
3403 else
3404 signal_error ("Invalid font", arg);
3405
3406 if (! NILP (Fequal (font_object, oldval)))
3407 return;
3408
3409
3410 x_new_font (f, font_object, fontset);
3411 store_frame_param (f, Qfont, arg);
3412 /* Recalculate toolbar height. */
3413 f->n_tool_bar_rows = 0;
3414 /* Ensure we redraw it. */
3415 clear_current_matrices (f);
3416
3417 recompute_basic_faces (f);
3418
3419 do_pending_window_change (0);
3420
3421 /* We used to call face-set-after-frame-default here, but it leads to
3422 recursive calls (since that function can set the `default' face's
3423 font which in turns changes the frame's `font' parameter).
3424 Also I don't know what this call is meant to do, but it seems the
3425 wrong way to do it anyway (it does a lot more work than what seems
3426 reasonable in response to a change to `font'). */
3427 }
3428
3429
3430 void
3431 x_set_font_backend (f, new_value, old_value)
3432 struct frame *f;
3433 Lisp_Object new_value, old_value;
3434 {
3435 if (! NILP (new_value)
3436 && !CONSP (new_value))
3437 {
3438 char *p0, *p1;
3439
3440 CHECK_STRING (new_value);
3441 p0 = p1 = SDATA (new_value);
3442 new_value = Qnil;
3443 while (*p0)
3444 {
3445 while (*p1 && ! isspace (*p1) && *p1 != ',') p1++;
3446 if (p0 < p1)
3447 new_value = Fcons (Fintern (make_string (p0, p1 - p0), Qnil),
3448 new_value);
3449 if (*p1)
3450 {
3451 int c;
3452
3453 while ((c = *++p1) && isspace (c));
3454 }
3455 p0 = p1;
3456 }
3457 new_value = Fnreverse (new_value);
3458 }
3459
3460 if (! NILP (old_value) && ! NILP (Fequal (old_value, new_value)))
3461 return;
3462
3463 if (FRAME_FONT (f))
3464 free_all_realized_faces (Qnil);
3465
3466 new_value = font_update_drivers (f, NILP (new_value) ? Qt : new_value);
3467 if (NILP (new_value))
3468 {
3469 if (NILP (old_value))
3470 error ("No font backend available");
3471 font_update_drivers (f, old_value);
3472 error ("None of specified font backends are available");
3473 }
3474 store_frame_param (f, Qfont_backend, new_value);
3475
3476 if (FRAME_FONT (f))
3477 {
3478 Lisp_Object frame;
3479
3480 XSETFRAME (frame, f);
3481 x_set_font (f, Fframe_parameter (frame, Qfont), Qnil);
3482 ++face_change_count;
3483 ++windows_or_buffers_changed;
3484 }
3485 }
3486
3487
3488 void
3489 x_set_fringe_width (f, new_value, old_value)
3490 struct frame *f;
3491 Lisp_Object new_value, old_value;
3492 {
3493 compute_fringe_widths (f, 1);
3494 }
3495
3496 void
3497 x_set_border_width (f, arg, oldval)
3498 struct frame *f;
3499 Lisp_Object arg, oldval;
3500 {
3501 CHECK_NUMBER (arg);
3502
3503 if (XINT (arg) == f->border_width)
3504 return;
3505
3506 if (FRAME_X_WINDOW (f) != 0)
3507 error ("Cannot change the border width of a frame");
3508
3509 f->border_width = XINT (arg);
3510 }
3511
3512 void
3513 x_set_internal_border_width (f, arg, oldval)
3514 struct frame *f;
3515 Lisp_Object arg, oldval;
3516 {
3517 int old = FRAME_INTERNAL_BORDER_WIDTH (f);
3518
3519 CHECK_NUMBER (arg);
3520 FRAME_INTERNAL_BORDER_WIDTH (f) = XINT (arg);
3521 if (FRAME_INTERNAL_BORDER_WIDTH (f) < 0)
3522 FRAME_INTERNAL_BORDER_WIDTH (f) = 0;
3523
3524 #ifdef USE_X_TOOLKIT
3525 if (FRAME_X_OUTPUT (f)->edit_widget)
3526 widget_store_internal_border (FRAME_X_OUTPUT (f)->edit_widget);
3527 #endif
3528
3529 if (FRAME_INTERNAL_BORDER_WIDTH (f) == old)
3530 return;
3531
3532 if (FRAME_X_WINDOW (f) != 0)
3533 {
3534 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3535 SET_FRAME_GARBAGED (f);
3536 do_pending_window_change (0);
3537 }
3538 else
3539 SET_FRAME_GARBAGED (f);
3540 }
3541
3542 void
3543 x_set_visibility (f, value, oldval)
3544 struct frame *f;
3545 Lisp_Object value, oldval;
3546 {
3547 Lisp_Object frame;
3548 XSETFRAME (frame, f);
3549
3550 if (NILP (value))
3551 Fmake_frame_invisible (frame, Qt);
3552 else if (EQ (value, Qicon))
3553 Ficonify_frame (frame);
3554 else
3555 Fmake_frame_visible (frame);
3556 }
3557
3558 void
3559 x_set_autoraise (f, arg, oldval)
3560 struct frame *f;
3561 Lisp_Object arg, oldval;
3562 {
3563 f->auto_raise = !EQ (Qnil, arg);
3564 }
3565
3566 void
3567 x_set_autolower (f, arg, oldval)
3568 struct frame *f;
3569 Lisp_Object arg, oldval;
3570 {
3571 f->auto_lower = !EQ (Qnil, arg);
3572 }
3573
3574 void
3575 x_set_unsplittable (f, arg, oldval)
3576 struct frame *f;
3577 Lisp_Object arg, oldval;
3578 {
3579 f->no_split = !NILP (arg);
3580 }
3581
3582 void
3583 x_set_vertical_scroll_bars (f, arg, oldval)
3584 struct frame *f;
3585 Lisp_Object arg, oldval;
3586 {
3587 if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f))
3588 || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f))
3589 || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f))
3590 || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f)))
3591 {
3592 FRAME_VERTICAL_SCROLL_BAR_TYPE (f)
3593 = (NILP (arg)
3594 ? vertical_scroll_bar_none
3595 : EQ (Qleft, arg)
3596 ? vertical_scroll_bar_left
3597 : EQ (Qright, arg)
3598 ? vertical_scroll_bar_right
3599 : EQ (Qleft, Vdefault_frame_scroll_bars)
3600 ? vertical_scroll_bar_left
3601 : EQ (Qright, Vdefault_frame_scroll_bars)
3602 ? vertical_scroll_bar_right
3603 : vertical_scroll_bar_none);
3604
3605 /* We set this parameter before creating the X window for the
3606 frame, so we can get the geometry right from the start.
3607 However, if the window hasn't been created yet, we shouldn't
3608 call x_set_window_size. */
3609 if (FRAME_X_WINDOW (f))
3610 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3611 do_pending_window_change (0);
3612 }
3613 }
3614
3615 void
3616 x_set_scroll_bar_width (f, arg, oldval)
3617 struct frame *f;
3618 Lisp_Object arg, oldval;
3619 {
3620 int wid = FRAME_COLUMN_WIDTH (f);
3621
3622 if (NILP (arg))
3623 {
3624 x_set_scroll_bar_default_width (f);
3625
3626 if (FRAME_X_WINDOW (f))
3627 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3628 do_pending_window_change (0);
3629 }
3630 else if (INTEGERP (arg) && XINT (arg) > 0
3631 && XFASTINT (arg) != FRAME_CONFIG_SCROLL_BAR_WIDTH (f))
3632 {
3633 if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM)
3634 XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1);
3635
3636 FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = XFASTINT (arg);
3637 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid;
3638 if (FRAME_X_WINDOW (f))
3639 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3640 do_pending_window_change (0);
3641 }
3642
3643 change_frame_size (f, 0, FRAME_COLS (f), 0, 0, 0);
3644 XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0;
3645 XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0;
3646 }
3647
3648
3649
3650 /* Return non-nil if frame F wants a bitmap icon. */
3651
3652 Lisp_Object
3653 x_icon_type (f)
3654 FRAME_PTR f;
3655 {
3656 Lisp_Object tem;
3657
3658 tem = assq_no_quit (Qicon_type, f->param_alist);
3659 if (CONSP (tem))
3660 return XCDR (tem);
3661 else
3662 return Qnil;
3663 }
3664
3665 void
3666 x_set_alpha (f, arg, oldval)
3667 struct frame *f;
3668 Lisp_Object arg, oldval;
3669 {
3670 double alpha = 1.0;
3671 double newval[2];
3672 int i, ialpha;
3673 Lisp_Object item;
3674
3675 for (i = 0; i < 2; i++)
3676 {
3677 newval[i] = 1.0;
3678 if (CONSP (arg))
3679 {
3680 item = CAR (arg);
3681 arg = CDR (arg);
3682 }
3683 else
3684 item = arg;
3685
3686 if (NILP (item))
3687 alpha = - 1.0;
3688 else if (FLOATP (item))
3689 {
3690 alpha = XFLOAT_DATA (item);
3691 if (alpha < 0.0 || 1.0 < alpha)
3692 args_out_of_range (make_float (0.0), make_float (1.0));
3693 }
3694 else if (INTEGERP (item))
3695 {
3696 ialpha = XINT (item);
3697 if (ialpha < 0 || 100 < ialpha)
3698 args_out_of_range (make_number (0), make_number (100));
3699 else
3700 alpha = ialpha / 100.0;
3701 }
3702 else
3703 wrong_type_argument (Qnumberp, item);
3704 newval[i] = alpha;
3705 }
3706
3707 for (i = 0; i < 2; i++)
3708 f->alpha[i] = newval[i];
3709
3710 #if defined (HAVE_X_WINDOWS) || defined (HAVE_NTGUI) || defined (NS_IMPL_COCOA)
3711 BLOCK_INPUT;
3712 x_set_frame_alpha (f);
3713 UNBLOCK_INPUT;
3714 #endif
3715
3716 return;
3717 }
3718
3719 \f
3720 /* Subroutines of creating an X frame. */
3721
3722 /* Make sure that Vx_resource_name is set to a reasonable value.
3723 Fix it up, or set it to `emacs' if it is too hopeless. */
3724
3725 void
3726 validate_x_resource_name ()
3727 {
3728 int len = 0;
3729 /* Number of valid characters in the resource name. */
3730 int good_count = 0;
3731 /* Number of invalid characters in the resource name. */
3732 int bad_count = 0;
3733 Lisp_Object new;
3734 int i;
3735
3736 if (!STRINGP (Vx_resource_class))
3737 Vx_resource_class = build_string (EMACS_CLASS);
3738
3739 if (STRINGP (Vx_resource_name))
3740 {
3741 unsigned char *p = SDATA (Vx_resource_name);
3742 int i;
3743
3744 len = SBYTES (Vx_resource_name);
3745
3746 /* Only letters, digits, - and _ are valid in resource names.
3747 Count the valid characters and count the invalid ones. */
3748 for (i = 0; i < len; i++)
3749 {
3750 int c = p[i];
3751 if (! ((c >= 'a' && c <= 'z')
3752 || (c >= 'A' && c <= 'Z')
3753 || (c >= '0' && c <= '9')
3754 || c == '-' || c == '_'))
3755 bad_count++;
3756 else
3757 good_count++;
3758 }
3759 }
3760 else
3761 /* Not a string => completely invalid. */
3762 bad_count = 5, good_count = 0;
3763
3764 /* If name is valid already, return. */
3765 if (bad_count == 0)
3766 return;
3767
3768 /* If name is entirely invalid, or nearly so, use `emacs'. */
3769 if (good_count == 0
3770 || (good_count == 1 && bad_count > 0))
3771 {
3772 Vx_resource_name = build_string ("emacs");
3773 return;
3774 }
3775
3776 /* Name is partly valid. Copy it and replace the invalid characters
3777 with underscores. */
3778
3779 Vx_resource_name = new = Fcopy_sequence (Vx_resource_name);
3780
3781 for (i = 0; i < len; i++)
3782 {
3783 int c = SREF (new, i);
3784 if (! ((c >= 'a' && c <= 'z')
3785 || (c >= 'A' && c <= 'Z')
3786 || (c >= '0' && c <= '9')
3787 || c == '-' || c == '_'))
3788 SSET (new, i, '_');
3789 }
3790 }
3791
3792
3793 extern char *x_get_string_resource P_ ((XrmDatabase, char *, char *));
3794 extern Display_Info *check_x_display_info P_ ((Lisp_Object));
3795
3796
3797 /* Get specified attribute from resource database RDB.
3798 See Fx_get_resource below for other parameters. */
3799
3800 static Lisp_Object
3801 xrdb_get_resource (rdb, attribute, class, component, subclass)
3802 XrmDatabase rdb;
3803 Lisp_Object attribute, class, component, subclass;
3804 {
3805 register char *value;
3806 char *name_key;
3807 char *class_key;
3808
3809 CHECK_STRING (attribute);
3810 CHECK_STRING (class);
3811
3812 if (!NILP (component))
3813 CHECK_STRING (component);
3814 if (!NILP (subclass))
3815 CHECK_STRING (subclass);
3816 if (NILP (component) != NILP (subclass))
3817 error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither");
3818
3819 validate_x_resource_name ();
3820
3821 /* Allocate space for the components, the dots which separate them,
3822 and the final '\0'. Make them big enough for the worst case. */
3823 name_key = (char *) alloca (SBYTES (Vx_resource_name)
3824 + (STRINGP (component)
3825 ? SBYTES (component) : 0)
3826 + SBYTES (attribute)
3827 + 3);
3828
3829 class_key = (char *) alloca (SBYTES (Vx_resource_class)
3830 + SBYTES (class)
3831 + (STRINGP (subclass)
3832 ? SBYTES (subclass) : 0)
3833 + 3);
3834
3835 /* Start with emacs.FRAMENAME for the name (the specific one)
3836 and with `Emacs' for the class key (the general one). */
3837 strcpy (name_key, SDATA (Vx_resource_name));
3838 strcpy (class_key, SDATA (Vx_resource_class));
3839
3840 strcat (class_key, ".");
3841 strcat (class_key, SDATA (class));
3842
3843 if (!NILP (component))
3844 {
3845 strcat (class_key, ".");
3846 strcat (class_key, SDATA (subclass));
3847
3848 strcat (name_key, ".");
3849 strcat (name_key, SDATA (component));
3850 }
3851
3852 strcat (name_key, ".");
3853 strcat (name_key, SDATA (attribute));
3854
3855 value = x_get_string_resource (rdb, name_key, class_key);
3856
3857 if (value != (char *) 0)
3858 return build_string (value);
3859 else
3860 return Qnil;
3861 }
3862
3863
3864 DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0,
3865 doc: /* Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.
3866 This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the
3867 class, where INSTANCE is the name under which Emacs was invoked, or
3868 the name specified by the `-name' or `-rn' command-line arguments.
3869
3870 The optional arguments COMPONENT and SUBCLASS add to the key and the
3871 class, respectively. You must specify both of them or neither.
3872 If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'
3873 and the class is `Emacs.CLASS.SUBCLASS'. */)
3874 (attribute, class, component, subclass)
3875 Lisp_Object attribute, class, component, subclass;
3876 {
3877 #ifdef HAVE_X_WINDOWS
3878 check_x ();
3879 #endif
3880
3881 return xrdb_get_resource (check_x_display_info (Qnil)->xrdb,
3882 attribute, class, component, subclass);
3883 }
3884
3885 /* Get an X resource, like Fx_get_resource, but for display DPYINFO. */
3886
3887 Lisp_Object
3888 display_x_get_resource (dpyinfo, attribute, class, component, subclass)
3889 Display_Info *dpyinfo;
3890 Lisp_Object attribute, class, component, subclass;
3891 {
3892 return xrdb_get_resource (dpyinfo->xrdb,
3893 attribute, class, component, subclass);
3894 }
3895
3896 #if defined HAVE_X_WINDOWS && !defined USE_X_TOOLKIT
3897 /* Used when C code wants a resource value. */
3898 /* Called from oldXMenu/Create.c. */
3899 char *
3900 x_get_resource_string (attribute, class)
3901 char *attribute, *class;
3902 {
3903 char *name_key;
3904 char *class_key;
3905 struct frame *sf = SELECTED_FRAME ();
3906
3907 /* Allocate space for the components, the dots which separate them,
3908 and the final '\0'. */
3909 name_key = (char *) alloca (SBYTES (Vinvocation_name)
3910 + strlen (attribute) + 2);
3911 class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
3912 + strlen (class) + 2);
3913
3914 sprintf (name_key, "%s.%s", SDATA (Vinvocation_name), attribute);
3915 sprintf (class_key, "%s.%s", EMACS_CLASS, class);
3916
3917 return x_get_string_resource (FRAME_X_DISPLAY_INFO (sf)->xrdb,
3918 name_key, class_key);
3919 }
3920 #endif
3921
3922 /* Return the value of parameter PARAM.
3923
3924 First search ALIST, then Vdefault_frame_alist, then the X defaults
3925 database, using ATTRIBUTE as the attribute name and CLASS as its class.
3926
3927 Convert the resource to the type specified by desired_type.
3928
3929 If no default is specified, return Qunbound. If you call
3930 x_get_arg, make sure you deal with Qunbound in a reasonable way,
3931 and don't let it get stored in any Lisp-visible variables! */
3932
3933 Lisp_Object
3934 x_get_arg (dpyinfo, alist, param, attribute, class, type)
3935 Display_Info *dpyinfo;
3936 Lisp_Object alist, param;
3937 char *attribute;
3938 char *class;
3939 enum resource_types type;
3940 {
3941 register Lisp_Object tem;
3942
3943 tem = Fassq (param, alist);
3944
3945 if (!NILP (tem))
3946 {
3947 /* If we find this parm in ALIST, clear it out
3948 so that it won't be "left over" at the end. */
3949 Lisp_Object tail;
3950 XSETCAR (tem, Qnil);
3951 /* In case the parameter appears more than once in the alist,
3952 clear it out. */
3953 for (tail = alist; CONSP (tail); tail = XCDR (tail))
3954 if (CONSP (XCAR (tail))
3955 && EQ (XCAR (XCAR (tail)), param))
3956 XSETCAR (XCAR (tail), Qnil);
3957 }
3958 else
3959 tem = Fassq (param, Vdefault_frame_alist);
3960
3961 /* If it wasn't specified in ALIST or the Lisp-level defaults,
3962 look in the X resources. */
3963 if (EQ (tem, Qnil))
3964 {
3965 if (attribute && dpyinfo)
3966 {
3967 tem = display_x_get_resource (dpyinfo,
3968 build_string (attribute),
3969 build_string (class),
3970 Qnil, Qnil);
3971
3972 if (NILP (tem))
3973 return Qunbound;
3974
3975 switch (type)
3976 {
3977 case RES_TYPE_NUMBER:
3978 return make_number (atoi (SDATA (tem)));
3979
3980 case RES_TYPE_FLOAT:
3981 return make_float (atof (SDATA (tem)));
3982
3983 case RES_TYPE_BOOLEAN:
3984 tem = Fdowncase (tem);
3985 if (!strcmp (SDATA (tem), "on")
3986 #ifdef HAVE_NS
3987 || !strcmp(SDATA(tem), "yes")
3988 #endif
3989 || !strcmp (SDATA (tem), "true"))
3990 return Qt;
3991 else
3992 return Qnil;
3993
3994 case RES_TYPE_STRING:
3995 return tem;
3996
3997 case RES_TYPE_SYMBOL:
3998 /* As a special case, we map the values `true' and `on'
3999 to Qt, and `false' and `off' to Qnil. */
4000 {
4001 Lisp_Object lower;
4002 lower = Fdowncase (tem);
4003 if (!strcmp (SDATA (lower), "on")
4004 #ifdef HAVE_NS
4005 || !strcmp(SDATA(lower), "yes")
4006 #endif
4007 || !strcmp (SDATA (lower), "true"))
4008 return Qt;
4009 else if (!strcmp (SDATA (lower), "off")
4010 #ifdef HAVE_NS
4011 || !strcmp(SDATA(lower), "no")
4012 #endif
4013 || !strcmp (SDATA (lower), "false"))
4014 return Qnil;
4015 else
4016 return Fintern (tem, Qnil);
4017 }
4018
4019 default:
4020 abort ();
4021 }
4022 }
4023 else
4024 return Qunbound;
4025 }
4026 return Fcdr (tem);
4027 }
4028
4029 Lisp_Object
4030 x_frame_get_arg (f, alist, param, attribute, class, type)
4031 struct frame *f;
4032 Lisp_Object alist, param;
4033 char *attribute;
4034 char *class;
4035 enum resource_types type;
4036 {
4037 return x_get_arg (FRAME_X_DISPLAY_INFO (f),
4038 alist, param, attribute, class, type);
4039 }
4040
4041 /* Like x_frame_get_arg, but also record the value in f->param_alist. */
4042
4043 Lisp_Object
4044 x_frame_get_and_record_arg (f, alist, param, attribute, class, type)
4045 struct frame *f;
4046 Lisp_Object alist, param;
4047 char *attribute;
4048 char *class;
4049 enum resource_types type;
4050 {
4051 Lisp_Object value;
4052
4053 value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param,
4054 attribute, class, type);
4055 if (! NILP (value) && ! EQ (value, Qunbound))
4056 store_frame_param (f, param, value);
4057
4058 return value;
4059 }
4060
4061
4062 /* Record in frame F the specified or default value according to ALIST
4063 of the parameter named PROP (a Lisp symbol).
4064 If no value is specified for PROP, look for an X default for XPROP
4065 on the frame named NAME.
4066 If that is not found either, use the value DEFLT. */
4067
4068 Lisp_Object
4069 x_default_parameter (f, alist, prop, deflt, xprop, xclass, type)
4070 struct frame *f;
4071 Lisp_Object alist;
4072 Lisp_Object prop;
4073 Lisp_Object deflt;
4074 char *xprop;
4075 char *xclass;
4076 enum resource_types type;
4077 {
4078 Lisp_Object tem;
4079
4080 tem = x_frame_get_arg (f, alist, prop, xprop, xclass, type);
4081 if (EQ (tem, Qunbound))
4082 tem = deflt;
4083 x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil));
4084 return tem;
4085 }
4086
4087
4088
4089 \f
4090 /* NS used to define x-parse-geometry in ns-win.el, but that confused
4091 make-docfile: the documentation string in ns-win.el was used for
4092 x-parse-geometry even in non-NS builds.
4093
4094 With two definitions of x-parse-geometry in this file, various
4095 things still get confused (eg M-x apropos documentation), so that
4096 it is best if the two definitions just share the same doc-string.
4097 */
4098 DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0,
4099 doc: /* Parse a display geometry string STRING.
4100 Returns an alist of the form ((top . TOP), (left . LEFT) ... ).
4101 The properties returned may include `top', `left', `height', and `width'.
4102 For X, the value of `left' or `top' may be an integer,
4103 or a list (+ N) meaning N pixels relative to top/left corner,
4104 or a list (- N) meaning -N pixels relative to bottom/right corner.
4105 On Nextstep, this just calls `ns-parse-geometry'. */)
4106 (string)
4107 Lisp_Object string;
4108 {
4109 #ifdef HAVE_NS
4110 call1 (Qns_parse_geometry, string);
4111 #else
4112 int geometry, x, y;
4113 unsigned int width, height;
4114 Lisp_Object result;
4115
4116 CHECK_STRING (string);
4117
4118 geometry = XParseGeometry ((char *) SDATA (string),
4119 &x, &y, &width, &height);
4120 result = Qnil;
4121 if (geometry & XValue)
4122 {
4123 Lisp_Object element;
4124
4125 if (x >= 0 && (geometry & XNegative))
4126 element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil)));
4127 else if (x < 0 && ! (geometry & XNegative))
4128 element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil)));
4129 else
4130 element = Fcons (Qleft, make_number (x));
4131 result = Fcons (element, result);
4132 }
4133
4134 if (geometry & YValue)
4135 {
4136 Lisp_Object element;
4137
4138 if (y >= 0 && (geometry & YNegative))
4139 element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil)));
4140 else if (y < 0 && ! (geometry & YNegative))
4141 element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil)));
4142 else
4143 element = Fcons (Qtop, make_number (y));
4144 result = Fcons (element, result);
4145 }
4146
4147 if (geometry & WidthValue)
4148 result = Fcons (Fcons (Qwidth, make_number (width)), result);
4149 if (geometry & HeightValue)
4150 result = Fcons (Fcons (Qheight, make_number (height)), result);
4151
4152 return result;
4153 #endif /* HAVE_NS */
4154 }
4155
4156
4157 /* Calculate the desired size and position of frame F.
4158 Return the flags saying which aspects were specified.
4159
4160 Also set the win_gravity and size_hint_flags of F.
4161
4162 Adjust height for toolbar if TOOLBAR_P is 1.
4163
4164 This function does not make the coordinates positive. */
4165
4166 #define DEFAULT_ROWS 40
4167 #define DEFAULT_COLS 80
4168
4169 int
4170 x_figure_window_size (f, parms, toolbar_p)
4171 struct frame *f;
4172 Lisp_Object parms;
4173 int toolbar_p;
4174 {
4175 register Lisp_Object tem0, tem1, tem2;
4176 long window_prompting = 0;
4177 Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
4178
4179 /* Default values if we fall through.
4180 Actually, if that happens we should get
4181 window manager prompting. */
4182 SET_FRAME_COLS (f, DEFAULT_COLS);
4183 FRAME_LINES (f) = DEFAULT_ROWS;
4184 /* Window managers expect that if program-specified
4185 positions are not (0,0), they're intentional, not defaults. */
4186 f->top_pos = 0;
4187 f->left_pos = 0;
4188
4189 /* Ensure that old new_text_cols and new_text_lines will not override the
4190 values set here. */
4191 /* ++KFS: This was specific to W32, but seems ok for all platforms */
4192 f->new_text_cols = f->new_text_lines = 0;
4193
4194 tem0 = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER);
4195 tem1 = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
4196 tem2 = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER);
4197 if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
4198 {
4199 if (!EQ (tem0, Qunbound))
4200 {
4201 CHECK_NUMBER (tem0);
4202 FRAME_LINES (f) = XINT (tem0);
4203 }
4204 if (!EQ (tem1, Qunbound))
4205 {
4206 CHECK_NUMBER (tem1);
4207 SET_FRAME_COLS (f, XINT (tem1));
4208 }
4209 if (!NILP (tem2) && !EQ (tem2, Qunbound))
4210 window_prompting |= USSize;
4211 else
4212 window_prompting |= PSize;
4213 }
4214
4215 f->scroll_bar_actual_width
4216 = FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f);
4217
4218 /* This used to be done _before_ calling x_figure_window_size, but
4219 since the height is reset here, this was really a no-op. I
4220 assume that moving it here does what Gerd intended (although he
4221 no longer can remember what that was... ++KFS, 2003-03-25. */
4222
4223 /* Add the tool-bar height to the initial frame height so that the
4224 user gets a text display area of the size he specified with -g or
4225 via .Xdefaults. Later changes of the tool-bar height don't
4226 change the frame size. This is done so that users can create
4227 tall Emacs frames without having to guess how tall the tool-bar
4228 will get. */
4229 if (toolbar_p && FRAME_TOOL_BAR_LINES (f))
4230 {
4231 int margin, relief, bar_height;
4232
4233 relief = (tool_bar_button_relief >= 0
4234 ? tool_bar_button_relief
4235 : DEFAULT_TOOL_BAR_BUTTON_RELIEF);
4236
4237 if (INTEGERP (Vtool_bar_button_margin)
4238 && XINT (Vtool_bar_button_margin) > 0)
4239 margin = XFASTINT (Vtool_bar_button_margin);
4240 else if (CONSP (Vtool_bar_button_margin)
4241 && INTEGERP (XCDR (Vtool_bar_button_margin))
4242 && XINT (XCDR (Vtool_bar_button_margin)) > 0)
4243 margin = XFASTINT (XCDR (Vtool_bar_button_margin));
4244 else
4245 margin = 0;
4246
4247 bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief;
4248 FRAME_LINES (f) += (bar_height + FRAME_LINE_HEIGHT (f) - 1) / FRAME_LINE_HEIGHT (f);
4249 }
4250
4251 compute_fringe_widths (f, 0);
4252
4253 FRAME_PIXEL_WIDTH (f) = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, FRAME_COLS (f));
4254 FRAME_PIXEL_HEIGHT (f) = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, FRAME_LINES (f));
4255
4256 tem0 = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER);
4257 tem1 = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER);
4258 tem2 = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER);
4259 if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
4260 {
4261 if (EQ (tem0, Qminus))
4262 {
4263 f->top_pos = 0;
4264 window_prompting |= YNegative;
4265 }
4266 else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus)
4267 && CONSP (XCDR (tem0))
4268 && INTEGERP (XCAR (XCDR (tem0))))
4269 {
4270 f->top_pos = - XINT (XCAR (XCDR (tem0)));
4271 window_prompting |= YNegative;
4272 }
4273 else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus)
4274 && CONSP (XCDR (tem0))
4275 && INTEGERP (XCAR (XCDR (tem0))))
4276 {
4277 f->top_pos = XINT (XCAR (XCDR (tem0)));
4278 }
4279 else if (EQ (tem0, Qunbound))
4280 f->top_pos = 0;
4281 else
4282 {
4283 CHECK_NUMBER (tem0);
4284 f->top_pos = XINT (tem0);
4285 if (f->top_pos < 0)
4286 window_prompting |= YNegative;
4287 }
4288
4289 if (EQ (tem1, Qminus))
4290 {
4291 f->left_pos = 0;
4292 window_prompting |= XNegative;
4293 }
4294 else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus)
4295 && CONSP (XCDR (tem1))
4296 && INTEGERP (XCAR (XCDR (tem1))))
4297 {
4298 f->left_pos = - XINT (XCAR (XCDR (tem1)));
4299 window_prompting |= XNegative;
4300 }
4301 else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus)
4302 && CONSP (XCDR (tem1))
4303 && INTEGERP (XCAR (XCDR (tem1))))
4304 {
4305 f->left_pos = XINT (XCAR (XCDR (tem1)));
4306 }
4307 else if (EQ (tem1, Qunbound))
4308 f->left_pos = 0;
4309 else
4310 {
4311 CHECK_NUMBER (tem1);
4312 f->left_pos = XINT (tem1);
4313 if (f->left_pos < 0)
4314 window_prompting |= XNegative;
4315 }
4316
4317 if (!NILP (tem2) && ! EQ (tem2, Qunbound))
4318 window_prompting |= USPosition;
4319 else
4320 window_prompting |= PPosition;
4321 }
4322
4323 if (window_prompting & XNegative)
4324 {
4325 if (window_prompting & YNegative)
4326 f->win_gravity = SouthEastGravity;
4327 else
4328 f->win_gravity = NorthEastGravity;
4329 }
4330 else
4331 {
4332 if (window_prompting & YNegative)
4333 f->win_gravity = SouthWestGravity;
4334 else
4335 f->win_gravity = NorthWestGravity;
4336 }
4337
4338 f->size_hint_flags = window_prompting;
4339
4340 return window_prompting;
4341 }
4342
4343
4344
4345 #endif /* HAVE_WINDOW_SYSTEM */
4346
4347 void
4348 frame_make_pointer_invisible ()
4349 {
4350 if (! NILP (Vmake_pointer_invisible))
4351 {
4352 struct frame *f = SELECTED_FRAME ();
4353 if (f && !f->pointer_invisible
4354 && FRAME_TERMINAL (f)->toggle_invisible_pointer_hook)
4355 {
4356 f->mouse_moved = 0;
4357 FRAME_TERMINAL (f)->toggle_invisible_pointer_hook (f, 1);
4358 f->pointer_invisible = 1;
4359 }
4360 }
4361 }
4362
4363 void
4364 frame_make_pointer_visible ()
4365 {
4366 /* We don't check Vmake_pointer_invisible here in case the
4367 pointer was invisible when Vmake_pointer_invisible was set to nil. */
4368
4369 struct frame *f = SELECTED_FRAME ();
4370 if (f && f->pointer_invisible && f->mouse_moved
4371 && FRAME_TERMINAL (f)->toggle_invisible_pointer_hook)
4372 {
4373 FRAME_TERMINAL (f)->toggle_invisible_pointer_hook (f, 0);
4374 f->pointer_invisible = 0;
4375 }
4376 }
4377
4378
4379 \f
4380 /***********************************************************************
4381 Initialization
4382 ***********************************************************************/
4383
4384 void
4385 syms_of_frame ()
4386 {
4387 Qframep = intern ("framep");
4388 staticpro (&Qframep);
4389 Qframe_live_p = intern ("frame-live-p");
4390 staticpro (&Qframe_live_p);
4391 Qexplicit_name = intern ("explicit-name");
4392 staticpro (&Qexplicit_name);
4393 Qheight = intern ("height");
4394 staticpro (&Qheight);
4395 Qicon = intern ("icon");
4396 staticpro (&Qicon);
4397 Qminibuffer = intern ("minibuffer");
4398 staticpro (&Qminibuffer);
4399 Qmodeline = intern ("modeline");
4400 staticpro (&Qmodeline);
4401 Qonly = intern ("only");
4402 staticpro (&Qonly);
4403 Qwidth = intern ("width");
4404 staticpro (&Qwidth);
4405 Qgeometry = intern ("geometry");
4406 staticpro (&Qgeometry);
4407 Qicon_left = intern ("icon-left");
4408 staticpro (&Qicon_left);
4409 Qicon_top = intern ("icon-top");
4410 staticpro (&Qicon_top);
4411 Qleft = intern ("left");
4412 staticpro (&Qleft);
4413 Qright = intern ("right");
4414 staticpro (&Qright);
4415 Quser_position = intern ("user-position");
4416 staticpro (&Quser_position);
4417 Quser_size = intern ("user-size");
4418 staticpro (&Quser_size);
4419 Qwindow_id = intern ("window-id");
4420 staticpro (&Qwindow_id);
4421 #ifdef HAVE_X_WINDOWS
4422 Qouter_window_id = intern ("outer-window-id");
4423 staticpro (&Qouter_window_id);
4424 #endif
4425 Qparent_id = intern ("parent-id");
4426 staticpro (&Qparent_id);
4427 Qx = intern ("x");
4428 staticpro (&Qx);
4429 Qw32 = intern ("w32");
4430 staticpro (&Qw32);
4431 Qpc = intern ("pc");
4432 staticpro (&Qpc);
4433 Qmac = intern ("mac");
4434 staticpro (&Qmac);
4435 Qns = intern ("ns");
4436 staticpro (&Qns);
4437 Qvisible = intern ("visible");
4438 staticpro (&Qvisible);
4439 Qbuffer_predicate = intern ("buffer-predicate");
4440 staticpro (&Qbuffer_predicate);
4441 Qbuffer_list = intern ("buffer-list");
4442 staticpro (&Qbuffer_list);
4443 Qburied_buffer_list = intern ("buried-buffer-list");
4444 staticpro (&Qburied_buffer_list);
4445 Qdisplay_type = intern ("display-type");
4446 staticpro (&Qdisplay_type);
4447 Qbackground_mode = intern ("background-mode");
4448 staticpro (&Qbackground_mode);
4449 Qnoelisp = intern ("noelisp");
4450 staticpro (&Qnoelisp);
4451 Qtty_color_mode = intern ("tty-color-mode");
4452 staticpro (&Qtty_color_mode);
4453 Qtty = intern ("tty");
4454 staticpro (&Qtty);
4455 Qtty_type = intern ("tty-type");
4456 staticpro (&Qtty_type);
4457
4458 Qface_set_after_frame_default = intern ("face-set-after-frame-default");
4459 staticpro (&Qface_set_after_frame_default);
4460
4461 Qfullwidth = intern ("fullwidth");
4462 staticpro (&Qfullwidth);
4463 Qfullheight = intern ("fullheight");
4464 staticpro (&Qfullheight);
4465 Qfullboth = intern ("fullboth");
4466 staticpro (&Qfullboth);
4467 Qmaximized = intern ("maximized");
4468 staticpro (&Qmaximized);
4469 Qx_resource_name = intern ("x-resource-name");
4470 staticpro (&Qx_resource_name);
4471
4472 Qx_frame_parameter = intern ("x-frame-parameter");
4473 staticpro (&Qx_frame_parameter);
4474
4475 Qterminal = intern ("terminal");
4476 staticpro (&Qterminal);
4477 Qterminal_live_p = intern ("terminal-live-p");
4478 staticpro (&Qterminal_live_p);
4479
4480 #ifdef HAVE_NS
4481 Qns_parse_geometry = intern ("ns-parse-geometry");
4482 staticpro (&Qns_parse_geometry);
4483 #endif
4484
4485 {
4486 int i;
4487
4488 for (i = 0; i < sizeof (frame_parms) / sizeof (frame_parms[0]); i++)
4489 {
4490 Lisp_Object v = intern (frame_parms[i].name);
4491 if (frame_parms[i].variable)
4492 {
4493 *frame_parms[i].variable = v;
4494 staticpro (frame_parms[i].variable);
4495 }
4496 Fput (v, Qx_frame_parameter, make_number (i));
4497 }
4498 }
4499
4500 #ifdef HAVE_WINDOW_SYSTEM
4501 DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
4502 doc: /* The name Emacs uses to look up X resources.
4503 `x-get-resource' uses this as the first component of the instance name
4504 when requesting resource values.
4505 Emacs initially sets `x-resource-name' to the name under which Emacs
4506 was invoked, or to the value specified with the `-name' or `-rn'
4507 switches, if present.
4508
4509 It may be useful to bind this variable locally around a call
4510 to `x-get-resource'. See also the variable `x-resource-class'. */);
4511 Vx_resource_name = Qnil;
4512
4513 DEFVAR_LISP ("x-resource-class", &Vx_resource_class,
4514 doc: /* The class Emacs uses to look up X resources.
4515 `x-get-resource' uses this as the first component of the instance class
4516 when requesting resource values.
4517
4518 Emacs initially sets `x-resource-class' to "Emacs".
4519
4520 Setting this variable permanently is not a reasonable thing to do,
4521 but binding this variable locally around a call to `x-get-resource'
4522 is a reasonable practice. See also the variable `x-resource-name'. */);
4523 Vx_resource_class = build_string (EMACS_CLASS);
4524
4525 DEFVAR_LISP ("frame-alpha-lower-limit", &Vframe_alpha_lower_limit,
4526 doc: /* The lower limit of the frame opacity (alpha transparency).
4527 The value should range from 0 (invisible) to 100 (completely opaque).
4528 You can also use a floating number between 0.0 and 1.0.
4529 The default is 20. */);
4530 Vframe_alpha_lower_limit = make_number (20);
4531 #endif
4532
4533 DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist,
4534 doc: /* Alist of default values for frame creation.
4535 These may be set in your init file, like this:
4536 (setq default-frame-alist '((width . 80) (height . 55) (menu-bar-lines . 1)))
4537 These override values given in window system configuration data,
4538 including X Windows' defaults database.
4539 For values specific to the first Emacs frame, see `initial-frame-alist'.
4540 For window-system specific values, see `window-system-default-frame-alist'.
4541 For values specific to the separate minibuffer frame, see
4542 `minibuffer-frame-alist'.
4543 The `menu-bar-lines' element of the list controls whether new frames
4544 have menu bars; `menu-bar-mode' works by altering this element.
4545 Setting this variable does not affect existing frames, only new ones. */);
4546 Vdefault_frame_alist = Qnil;
4547
4548 DEFVAR_LISP ("default-frame-scroll-bars", &Vdefault_frame_scroll_bars,
4549 doc: /* Default position of scroll bars on this window-system. */);
4550 #ifdef HAVE_WINDOW_SYSTEM
4551 #if defined(HAVE_NTGUI) || defined(NS_IMPL_COCOA)
4552 /* MS-Windows and Mac OS X have scroll bars on the right by default. */
4553 Vdefault_frame_scroll_bars = Qright;
4554 #else
4555 Vdefault_frame_scroll_bars = Qleft;
4556 #endif
4557 #else
4558 Vdefault_frame_scroll_bars = Qnil;
4559 #endif
4560
4561 DEFVAR_LISP ("terminal-frame", &Vterminal_frame,
4562 doc: /* The initial frame-object, which represents Emacs's stdout. */);
4563
4564 DEFVAR_LISP ("mouse-position-function", &Vmouse_position_function,
4565 doc: /* If non-nil, function to transform normal value of `mouse-position'.
4566 `mouse-position' calls this function, passing its usual return value as
4567 argument, and returns whatever this function returns.
4568 This abnormal hook exists for the benefit of packages like `xt-mouse.el'
4569 which need to do mouse handling at the Lisp level. */);
4570 Vmouse_position_function = Qnil;
4571
4572 DEFVAR_LISP ("mouse-highlight", &Vmouse_highlight,
4573 doc: /* If non-nil, clickable text is highlighted when mouse is over it.
4574 If the value is an integer, highlighting is only shown after moving the
4575 mouse, while keyboard input turns off the highlight even when the mouse
4576 is over the clickable text. However, the mouse shape still indicates
4577 when the mouse is over clickable text. */);
4578 Vmouse_highlight = Qt;
4579
4580 DEFVAR_LISP ("make-pointer-invisible", &Vmake_pointer_invisible,
4581 doc: /* If non-nil, make pointer invisible while typing.
4582 The pointer becomes visible again when the mouse is moved. */);
4583 Vmake_pointer_invisible = Qt;
4584
4585 DEFVAR_LISP ("delete-frame-functions", &Vdelete_frame_functions,
4586 doc: /* Functions to be run before deleting a frame.
4587 The functions are run with one arg, the frame to be deleted.
4588 See `delete-frame'.
4589
4590 Note that functions in this list may be called just before the frame is
4591 actually deleted, or some time later (or even both when an earlier function
4592 in `delete-frame-functions' (indirectly) calls `delete-frame'
4593 recursively). */);
4594 Vdelete_frame_functions = Qnil;
4595 Qdelete_frame_functions = intern ("delete-frame-functions");
4596 staticpro (&Qdelete_frame_functions);
4597
4598 DEFVAR_KBOARD ("default-minibuffer-frame", Vdefault_minibuffer_frame,
4599 doc: /* Minibufferless frames use this frame's minibuffer.
4600
4601 Emacs cannot create minibufferless frames unless this is set to an
4602 appropriate surrogate.
4603
4604 Emacs consults this variable only when creating minibufferless
4605 frames; once the frame is created, it sticks with its assigned
4606 minibuffer, no matter what this variable is set to. This means that
4607 this variable doesn't necessarily say anything meaningful about the
4608 current set of frames, or where the minibuffer is currently being
4609 displayed.
4610
4611 This variable is local to the current terminal and cannot be buffer-local. */);
4612
4613 DEFVAR_BOOL ("focus-follows-mouse", &focus_follows_mouse,
4614 doc: /* Non-nil if window system changes focus when you move the mouse.
4615 You should set this variable to tell Emacs how your window manager
4616 handles focus, since there is no way in general for Emacs to find out
4617 automatically. */);
4618 #ifdef HAVE_WINDOW_SYSTEM
4619 #if defined(HAVE_NTGUI) || defined(HAVE_NS)
4620 focus_follows_mouse = 0;
4621 #else
4622 focus_follows_mouse = 1;
4623 #endif
4624 #else
4625 focus_follows_mouse = 0;
4626 #endif
4627
4628 staticpro (&Vframe_list);
4629
4630 defsubr (&Sactive_minibuffer_window);
4631 defsubr (&Sframep);
4632 defsubr (&Sframe_live_p);
4633 defsubr (&Swindow_system);
4634 defsubr (&Smake_terminal_frame);
4635 defsubr (&Shandle_switch_frame);
4636 defsubr (&Sselect_frame);
4637 defsubr (&Sselected_frame);
4638 defsubr (&Swindow_frame);
4639 defsubr (&Sframe_root_window);
4640 defsubr (&Sframe_first_window);
4641 defsubr (&Sframe_selected_window);
4642 defsubr (&Sset_frame_selected_window);
4643 defsubr (&Sframe_list);
4644 defsubr (&Snext_frame);
4645 defsubr (&Sprevious_frame);
4646 defsubr (&Sdelete_frame);
4647 defsubr (&Smouse_position);
4648 defsubr (&Smouse_pixel_position);
4649 defsubr (&Sset_mouse_position);
4650 defsubr (&Sset_mouse_pixel_position);
4651 #if 0
4652 defsubr (&Sframe_configuration);
4653 defsubr (&Srestore_frame_configuration);
4654 #endif
4655 defsubr (&Smake_frame_visible);
4656 defsubr (&Smake_frame_invisible);
4657 defsubr (&Siconify_frame);
4658 defsubr (&Sframe_visible_p);
4659 defsubr (&Svisible_frame_list);
4660 defsubr (&Sraise_frame);
4661 defsubr (&Slower_frame);
4662 defsubr (&Sredirect_frame_focus);
4663 defsubr (&Sframe_focus);
4664 defsubr (&Sframe_parameters);
4665 defsubr (&Sframe_parameter);
4666 defsubr (&Smodify_frame_parameters);
4667 defsubr (&Sframe_char_height);
4668 defsubr (&Sframe_char_width);
4669 defsubr (&Sframe_pixel_height);
4670 defsubr (&Sframe_pixel_width);
4671 defsubr (&Sset_frame_height);
4672 defsubr (&Sset_frame_width);
4673 defsubr (&Sset_frame_size);
4674 defsubr (&Sset_frame_position);
4675
4676 #ifdef HAVE_WINDOW_SYSTEM
4677 defsubr (&Sx_get_resource);
4678 defsubr (&Sx_parse_geometry);
4679 #endif
4680
4681 }
4682
4683 /* arch-tag: 7dbf2c69-9aad-45f8-8296-db893d6dd039
4684 (do not change this comment) */