Simplify code for HP machines.
[emacs.git] / src / frame.c
blob757ed8f01a364f3f2c86c3c4f506a1f2feec2d7e
1 /* Generic frame functions.
2 Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
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.
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.
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/>. */
20 #include <config.h>
22 #include <stdio.h>
23 #include <ctype.h>
24 #include <setjmp.h>
25 #include "lisp.h"
26 #include "character.h"
27 #ifdef HAVE_X_WINDOWS
28 #include "xterm.h"
29 #endif
30 #ifdef WINDOWSNT
31 #include "w32term.h"
32 #endif
33 #ifdef HAVE_NS
34 #include "nsterm.h"
35 #endif
36 #include "buffer.h"
37 /* These help us bind and responding to switch-frame events. */
38 #include "commands.h"
39 #include "keyboard.h"
40 #include "frame.h"
41 #include "blockinput.h"
42 #include "termchar.h"
43 #include "termhooks.h"
44 #include "dispextern.h"
45 #include "window.h"
46 #include "font.h"
47 #ifdef HAVE_WINDOW_SYSTEM
48 #include "fontset.h"
49 #endif
50 #ifdef MSDOS
51 #include "msdos.h"
52 #include "dosfns.h"
53 #endif
56 /* If we shall make pointer invisible when typing or not. */
57 Lisp_Object Vmake_pointer_invisible;
59 #ifdef HAVE_WINDOW_SYSTEM
61 /* The name we're using in resource queries. Most often "emacs". */
63 Lisp_Object Vx_resource_name;
65 /* The application class we're using in resource queries.
66 Normally "Emacs". */
68 Lisp_Object Vx_resource_class;
70 /* Lower limit value of the frame opacity (alpha transparency). */
72 Lisp_Object Vframe_alpha_lower_limit;
74 #endif
76 #ifdef HAVE_NS
77 Lisp_Object Qns_parse_geometry;
78 #endif
80 Lisp_Object Qframep, Qframe_live_p;
81 Lisp_Object Qicon, Qmodeline;
82 Lisp_Object Qonly;
83 Lisp_Object Qx, Qw32, Qmac, Qpc, Qns;
84 Lisp_Object Qvisible;
85 Lisp_Object Qdisplay_type;
86 Lisp_Object Qbackground_mode;
87 Lisp_Object Qnoelisp;
89 Lisp_Object Qx_frame_parameter;
90 Lisp_Object Qx_resource_name;
91 Lisp_Object Qterminal;
92 Lisp_Object Qterminal_live_p;
94 /* Frame parameters (set or reported). */
96 Lisp_Object Qauto_raise, Qauto_lower;
97 Lisp_Object Qborder_color, Qborder_width;
98 Lisp_Object Qcursor_color, Qcursor_type;
99 Lisp_Object Qgeometry; /* Not used */
100 Lisp_Object Qheight, Qwidth;
101 Lisp_Object Qleft, Qright;
102 Lisp_Object Qicon_left, Qicon_top, Qicon_type, Qicon_name;
103 Lisp_Object Qinternal_border_width;
104 Lisp_Object Qmouse_color;
105 Lisp_Object Qminibuffer;
106 Lisp_Object Qscroll_bar_width, Qvertical_scroll_bars;
107 Lisp_Object Qvisibility;
108 Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background;
109 Lisp_Object Qscreen_gamma;
110 Lisp_Object Qline_spacing;
111 Lisp_Object Quser_position, Quser_size;
112 Lisp_Object Qwait_for_wm;
113 Lisp_Object Qwindow_id;
114 #ifdef HAVE_X_WINDOWS
115 Lisp_Object Qouter_window_id;
116 #endif
117 Lisp_Object Qparent_id;
118 Lisp_Object Qtitle, Qname;
119 Lisp_Object Qexplicit_name;
120 Lisp_Object Qunsplittable;
121 Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
122 Lisp_Object Qleft_fringe, Qright_fringe;
123 Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
124 Lisp_Object Qtty_color_mode;
125 Lisp_Object Qtty, Qtty_type;
127 Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth, Qmaximized;
128 Lisp_Object Qsticky;
129 Lisp_Object Qfont_backend;
130 Lisp_Object Qalpha;
132 Lisp_Object Qface_set_after_frame_default;
134 Lisp_Object Vterminal_frame;
135 Lisp_Object Vdefault_frame_alist;
136 Lisp_Object Vdefault_frame_scroll_bars;
137 Lisp_Object Vmouse_position_function;
138 Lisp_Object Vmouse_highlight;
139 static Lisp_Object Vdelete_frame_functions, Qdelete_frame_functions;
141 int focus_follows_mouse;
143 static void
144 set_menu_bar_lines_1 (window, n)
145 Lisp_Object window;
146 int n;
148 struct window *w = XWINDOW (window);
150 XSETFASTINT (w->last_modified, 0);
151 XSETFASTINT (w->top_line, XFASTINT (w->top_line) + n);
152 XSETFASTINT (w->total_lines, XFASTINT (w->total_lines) - n);
154 if (INTEGERP (w->orig_top_line))
155 XSETFASTINT (w->orig_top_line, XFASTINT (w->orig_top_line) + n);
156 if (INTEGERP (w->orig_total_lines))
157 XSETFASTINT (w->orig_total_lines, XFASTINT (w->orig_total_lines) - n);
159 /* Handle just the top child in a vertical split. */
160 if (!NILP (w->vchild))
161 set_menu_bar_lines_1 (w->vchild, n);
163 /* Adjust all children in a horizontal split. */
164 for (window = w->hchild; !NILP (window); window = w->next)
166 w = XWINDOW (window);
167 set_menu_bar_lines_1 (window, n);
171 void
172 set_menu_bar_lines (f, value, oldval)
173 struct frame *f;
174 Lisp_Object value, oldval;
176 int nlines;
177 int olines = FRAME_MENU_BAR_LINES (f);
179 /* Right now, menu bars don't work properly in minibuf-only frames;
180 most of the commands try to apply themselves to the minibuffer
181 frame itself, and get an error because you can't switch buffers
182 in or split the minibuffer window. */
183 if (FRAME_MINIBUF_ONLY_P (f))
184 return;
186 if (INTEGERP (value))
187 nlines = XINT (value);
188 else
189 nlines = 0;
191 if (nlines != olines)
193 windows_or_buffers_changed++;
194 FRAME_WINDOW_SIZES_CHANGED (f) = 1;
195 FRAME_MENU_BAR_LINES (f) = nlines;
196 set_menu_bar_lines_1 (f->root_window, nlines - olines);
197 adjust_glyphs (f);
201 Lisp_Object Vframe_list;
203 extern Lisp_Object Vminibuffer_list;
204 extern Lisp_Object get_minibuffer ();
205 extern Lisp_Object Fhandle_switch_frame ();
206 extern Lisp_Object Fredirect_frame_focus ();
207 extern Lisp_Object x_get_focus_frame ();
208 extern Lisp_Object QCname, Qfont_param;
211 DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
212 doc: /* Return non-nil if OBJECT is a frame.
213 Value is t for a termcap frame (a character-only terminal),
214 `x' for an Emacs frame that is really an X window,
215 `w32' for an Emacs frame that is a window on MS-Windows display,
216 `ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
217 `pc' for a direct-write MS-DOS frame.
218 See also `frame-live-p'. */)
219 (object)
220 Lisp_Object object;
222 if (!FRAMEP (object))
223 return Qnil;
224 switch (XFRAME (object)->output_method)
226 case output_initial: /* The initial frame is like a termcap frame. */
227 case output_termcap:
228 return Qt;
229 case output_x_window:
230 return Qx;
231 case output_w32:
232 return Qw32;
233 case output_msdos_raw:
234 return Qpc;
235 case output_mac:
236 return Qmac;
237 case output_ns:
238 return Qns;
239 default:
240 abort ();
244 DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0,
245 doc: /* Return non-nil if OBJECT is a frame which has not been deleted.
246 Value is nil if OBJECT is not a live frame. If object is a live
247 frame, the return value indicates what sort of terminal device it is
248 displayed on. See the documentation of `framep' for possible
249 return values. */)
250 (object)
251 Lisp_Object object;
253 return ((FRAMEP (object)
254 && FRAME_LIVE_P (XFRAME (object)))
255 ? Fframep (object)
256 : Qnil);
259 DEFUN ("window-system", Fwindow_system, Swindow_system, 0, 1, 0,
260 doc: /* The name of the window system that FRAME is displaying through.
261 The value is a symbol---for instance, 'x' for X windows.
262 The value is nil if Emacs is using a text-only terminal.
264 FRAME defaults to the currently selected frame. */)
265 (frame)
266 Lisp_Object frame;
268 Lisp_Object type;
269 if (NILP (frame))
270 frame = selected_frame;
272 type = Fframep (frame);
274 if (NILP (type))
275 wrong_type_argument (Qframep, frame);
277 if (EQ (type, Qt))
278 return Qnil;
279 else
280 return type;
283 struct frame *
284 make_frame (mini_p)
285 int mini_p;
287 Lisp_Object frame;
288 register struct frame *f;
289 register Lisp_Object root_window;
290 register Lisp_Object mini_window;
292 f = allocate_frame ();
293 XSETFRAME (frame, f);
295 f->desired_matrix = 0;
296 f->current_matrix = 0;
297 f->desired_pool = 0;
298 f->current_pool = 0;
299 f->glyphs_initialized_p = 0;
300 f->decode_mode_spec_buffer = 0;
301 f->visible = 0;
302 f->async_visible = 0;
303 f->output_data.nothing = 0;
304 f->iconified = 0;
305 f->async_iconified = 0;
306 f->wants_modeline = 1;
307 f->auto_raise = 0;
308 f->auto_lower = 0;
309 f->no_split = 0;
310 f->garbaged = 1;
311 f->has_minibuffer = mini_p;
312 f->focus_frame = Qnil;
313 f->explicit_name = 0;
314 f->can_have_scroll_bars = 0;
315 f->vertical_scroll_bar_type = vertical_scroll_bar_none;
316 f->param_alist = Qnil;
317 f->scroll_bars = Qnil;
318 f->condemned_scroll_bars = Qnil;
319 f->face_alist = Qnil;
320 f->face_cache = NULL;
321 f->menu_bar_items = Qnil;
322 f->menu_bar_vector = Qnil;
323 f->menu_bar_items_used = 0;
324 f->buffer_predicate = Qnil;
325 f->buffer_list = Qnil;
326 f->buried_buffer_list = Qnil;
327 f->namebuf = 0;
328 f->title = Qnil;
329 f->menu_bar_window = Qnil;
330 f->tool_bar_window = Qnil;
331 f->tool_bar_items = Qnil;
332 f->desired_tool_bar_string = f->current_tool_bar_string = Qnil;
333 f->n_tool_bar_items = 0;
334 f->left_fringe_width = f->right_fringe_width = 0;
335 f->fringe_cols = 0;
336 f->scroll_bar_actual_width = 0;
337 f->border_width = 0;
338 f->internal_border_width = 0;
339 f->column_width = 1; /* !FRAME_WINDOW_P value */
340 f->line_height = 1; /* !FRAME_WINDOW_P value */
341 f->x_pixels_diff = f->y_pixels_diff = 0;
342 #ifdef HAVE_WINDOW_SYSTEM
343 f->want_fullscreen = FULLSCREEN_NONE;
344 #endif
345 f->size_hint_flags = 0;
346 f->win_gravity = 0;
347 f->font_driver_list = NULL;
348 f->font_data_list = NULL;
350 root_window = make_window ();
351 if (mini_p)
353 mini_window = make_window ();
354 XWINDOW (root_window)->next = mini_window;
355 XWINDOW (mini_window)->prev = root_window;
356 XWINDOW (mini_window)->mini_p = Qt;
357 XWINDOW (mini_window)->frame = frame;
358 f->minibuffer_window = mini_window;
360 else
362 mini_window = Qnil;
363 XWINDOW (root_window)->next = Qnil;
364 f->minibuffer_window = Qnil;
367 XWINDOW (root_window)->frame = frame;
369 /* 10 is arbitrary,
370 just so that there is "something there."
371 Correct size will be set up later with change_frame_size. */
373 SET_FRAME_COLS (f, 10);
374 FRAME_LINES (f) = 10;
376 XSETFASTINT (XWINDOW (root_window)->total_cols, 10);
377 XSETFASTINT (XWINDOW (root_window)->total_lines, (mini_p ? 9 : 10));
379 if (mini_p)
381 XSETFASTINT (XWINDOW (mini_window)->total_cols, 10);
382 XSETFASTINT (XWINDOW (mini_window)->top_line, 9);
383 XSETFASTINT (XWINDOW (mini_window)->total_lines, 1);
386 /* Choose a buffer for the frame's root window. */
388 Lisp_Object buf;
390 XWINDOW (root_window)->buffer = Qt;
391 buf = Fcurrent_buffer ();
392 /* If buf is a 'hidden' buffer (i.e. one whose name starts with
393 a space), try to find another one. */
394 if (SREF (Fbuffer_name (buf), 0) == ' ')
395 buf = Fother_buffer (buf, Qnil, Qnil);
397 /* Use set_window_buffer, not Fset_window_buffer, and don't let
398 hooks be run by it. The reason is that the whole frame/window
399 arrangement is not yet fully intialized at this point. Windows
400 don't have the right size, glyph matrices aren't initialized
401 etc. Running Lisp functions at this point surely ends in a
402 SEGV. */
403 set_window_buffer (root_window, buf, 0, 0);
404 f->buffer_list = Fcons (buf, Qnil);
407 if (mini_p)
409 XWINDOW (mini_window)->buffer = Qt;
410 set_window_buffer (mini_window,
411 (NILP (Vminibuffer_list)
412 ? get_minibuffer (0)
413 : Fcar (Vminibuffer_list)),
414 0, 0);
417 f->root_window = root_window;
418 f->selected_window = root_window;
419 /* Make sure this window seems more recently used than
420 a newly-created, never-selected window. */
421 ++window_select_count;
422 XSETFASTINT (XWINDOW (f->selected_window)->use_time, window_select_count);
424 f->default_face_done_p = 0;
426 return f;
429 #ifdef HAVE_WINDOW_SYSTEM
430 /* Make a frame using a separate minibuffer window on another frame.
431 MINI_WINDOW is the minibuffer window to use. nil means use the
432 default (the global minibuffer). */
434 struct frame *
435 make_frame_without_minibuffer (mini_window, kb, display)
436 register Lisp_Object mini_window;
437 KBOARD *kb;
438 Lisp_Object display;
440 register struct frame *f;
441 struct gcpro gcpro1;
443 if (!NILP (mini_window))
444 CHECK_LIVE_WINDOW (mini_window);
446 if (!NILP (mini_window)
447 && FRAME_KBOARD (XFRAME (XWINDOW (mini_window)->frame)) != kb)
448 error ("Frame and minibuffer must be on the same terminal");
450 /* Make a frame containing just a root window. */
451 f = make_frame (0);
453 if (NILP (mini_window))
455 /* Use default-minibuffer-frame if possible. */
456 if (!FRAMEP (kb->Vdefault_minibuffer_frame)
457 || ! FRAME_LIVE_P (XFRAME (kb->Vdefault_minibuffer_frame)))
459 Lisp_Object frame_dummy;
461 XSETFRAME (frame_dummy, f);
462 GCPRO1 (frame_dummy);
463 /* If there's no minibuffer frame to use, create one. */
464 kb->Vdefault_minibuffer_frame =
465 call1 (intern ("make-initial-minibuffer-frame"), display);
466 UNGCPRO;
469 mini_window = XFRAME (kb->Vdefault_minibuffer_frame)->minibuffer_window;
472 f->minibuffer_window = mini_window;
474 /* Make the chosen minibuffer window display the proper minibuffer,
475 unless it is already showing a minibuffer. */
476 if (NILP (Fmemq (XWINDOW (mini_window)->buffer, Vminibuffer_list)))
477 Fset_window_buffer (mini_window,
478 (NILP (Vminibuffer_list)
479 ? get_minibuffer (0)
480 : Fcar (Vminibuffer_list)), Qnil);
481 return f;
484 /* Make a frame containing only a minibuffer window. */
486 struct frame *
487 make_minibuffer_frame ()
489 /* First make a frame containing just a root window, no minibuffer. */
491 register struct frame *f = make_frame (0);
492 register Lisp_Object mini_window;
493 register Lisp_Object frame;
495 XSETFRAME (frame, f);
497 f->auto_raise = 0;
498 f->auto_lower = 0;
499 f->no_split = 1;
500 f->wants_modeline = 0;
501 f->has_minibuffer = 1;
503 /* Now label the root window as also being the minibuffer.
504 Avoid infinite looping on the window chain by marking next pointer
505 as nil. */
507 mini_window = f->minibuffer_window = f->root_window;
508 XWINDOW (mini_window)->mini_p = Qt;
509 XWINDOW (mini_window)->next = Qnil;
510 XWINDOW (mini_window)->prev = Qnil;
511 XWINDOW (mini_window)->frame = frame;
513 /* Put the proper buffer in that window. */
515 Fset_window_buffer (mini_window,
516 (NILP (Vminibuffer_list)
517 ? get_minibuffer (0)
518 : Fcar (Vminibuffer_list)), Qnil);
519 return f;
521 #endif /* HAVE_WINDOW_SYSTEM */
523 /* Construct a frame that refers to a terminal. */
525 static int tty_frame_count;
527 struct frame *
528 make_initial_frame (void)
530 struct frame *f;
531 struct terminal *terminal;
532 Lisp_Object frame;
534 eassert (initial_kboard);
536 /* The first call must initialize Vframe_list. */
537 if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
538 Vframe_list = Qnil;
540 terminal = init_initial_terminal ();
542 f = make_frame (1);
543 XSETFRAME (frame, f);
545 Vframe_list = Fcons (frame, Vframe_list);
547 tty_frame_count = 1;
548 f->name = make_pure_c_string ("F1");
550 f->visible = 1;
551 f->async_visible = 1;
553 f->output_method = terminal->type;
554 f->terminal = terminal;
555 f->terminal->reference_count++;
556 f->output_data.nothing = 0;
558 FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
559 FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
561 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
562 FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
564 #ifdef CANNOT_DUMP
565 if (!noninteractive)
566 init_frame_faces (f);
567 #endif
569 return f;
573 struct frame *
574 make_terminal_frame (struct terminal *terminal)
576 register struct frame *f;
577 Lisp_Object frame;
578 char name[20];
580 if (!terminal->name)
581 error ("Terminal is not live, can't create new frames on it");
583 f = make_frame (1);
585 XSETFRAME (frame, f);
586 Vframe_list = Fcons (frame, Vframe_list);
588 tty_frame_count++;
589 sprintf (name, "F%d", tty_frame_count);
590 f->name = build_string (name);
592 f->visible = 1; /* FRAME_SET_VISIBLE wd set frame_garbaged. */
593 f->async_visible = 1; /* Don't let visible be cleared later. */
594 f->terminal = terminal;
595 f->terminal->reference_count++;
596 #ifdef MSDOS
597 f->output_data.tty->display_info = &the_only_display_info;
598 if (!inhibit_window_system
599 && (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame))
600 || XFRAME (selected_frame)->output_method == output_msdos_raw))
601 f->output_method = output_msdos_raw;
602 else
603 f->output_method = output_termcap;
604 #else /* not MSDOS */
605 f->output_method = output_termcap;
606 create_tty_output (f);
607 FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
608 FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
609 #endif /* not MSDOS */
611 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
612 FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
614 /* Set the top frame to the newly created frame. */
615 if (FRAMEP (FRAME_TTY (f)->top_frame)
616 && FRAME_LIVE_P (XFRAME (FRAME_TTY (f)->top_frame)))
617 XFRAME (FRAME_TTY (f)->top_frame)->async_visible = 2; /* obscured */
619 FRAME_TTY (f)->top_frame = frame;
621 if (!noninteractive)
622 init_frame_faces (f);
624 return f;
627 /* Get a suitable value for frame parameter PARAMETER for a newly
628 created frame, based on (1) the user-supplied frame parameter
629 alist SUPPLIED_PARMS, (2) CURRENT_VALUE, and finally, if all else
630 fails, (3) Vdefault_frame_alist. */
632 static Lisp_Object
633 get_future_frame_param (Lisp_Object parameter,
634 Lisp_Object supplied_parms,
635 char *current_value)
637 Lisp_Object result;
639 result = Fassq (parameter, supplied_parms);
640 if (NILP (result))
641 result = Fassq (parameter, XFRAME (selected_frame)->param_alist);
642 if (NILP (result) && current_value != NULL)
643 result = build_string (current_value);
644 if (NILP (result))
645 result = Fassq (parameter, Vdefault_frame_alist);
646 if (!NILP (result) && !STRINGP (result))
647 result = XCDR (result);
648 if (NILP (result) || !STRINGP (result))
649 result = Qnil;
651 return result;
654 DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame,
655 1, 1, 0,
656 doc: /* Create an additional terminal frame, possibly on another terminal.
657 This function takes one argument, an alist specifying frame parameters.
659 You can create multiple frames on a single text-only terminal, but
660 only one of them (the selected terminal frame) is actually displayed.
662 In practice, generally you don't need to specify any parameters,
663 except when you want to create a new frame on another terminal.
664 In that case, the `tty' parameter specifies the device file to open,
665 and the `tty-type' parameter specifies the terminal type. Example:
667 (make-terminal-frame '((tty . "/dev/pts/5") (tty-type . "xterm")))
669 Note that changing the size of one terminal frame automatically
670 affects all frames on the same terminal device. */)
671 (parms)
672 Lisp_Object parms;
674 struct frame *f;
675 struct terminal *t = NULL;
676 Lisp_Object frame, tem;
677 struct frame *sf = SELECTED_FRAME ();
679 #ifdef MSDOS
680 if (sf->output_method != output_msdos_raw
681 && sf->output_method != output_termcap)
682 abort ();
683 #else /* not MSDOS */
685 #ifdef WINDOWSNT /* This should work now! */
686 if (sf->output_method != output_termcap)
687 error ("Not using an ASCII terminal now; cannot make a new ASCII frame");
688 #endif
689 #endif /* not MSDOS */
692 Lisp_Object terminal;
694 terminal = Fassq (Qterminal, parms);
695 if (!NILP (terminal))
697 terminal = XCDR (terminal);
698 t = get_terminal (terminal, 1);
700 #ifdef MSDOS
701 if (t && t != the_only_display_info.terminal)
702 /* msdos.c assumes a single tty_display_info object. */
703 error ("Multiple terminals are not supported on this platform");
704 if (!t)
705 t = the_only_display_info.terminal;
706 #endif
709 if (!t)
711 char *name = 0, *type = 0;
712 Lisp_Object tty, tty_type;
714 tty = get_future_frame_param
715 (Qtty, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
716 ? FRAME_TTY (XFRAME (selected_frame))->name
717 : NULL));
718 if (!NILP (tty))
720 name = (char *) alloca (SBYTES (tty) + 1);
721 strncpy (name, SDATA (tty), SBYTES (tty));
722 name[SBYTES (tty)] = 0;
725 tty_type = get_future_frame_param
726 (Qtty_type, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
727 ? FRAME_TTY (XFRAME (selected_frame))->type
728 : NULL));
729 if (!NILP (tty_type))
731 type = (char *) alloca (SBYTES (tty_type) + 1);
732 strncpy (type, SDATA (tty_type), SBYTES (tty_type));
733 type[SBYTES (tty_type)] = 0;
736 t = init_tty (name, type, 0); /* Errors are not fatal. */
739 f = make_terminal_frame (t);
742 int width, height;
743 get_tty_size (fileno (FRAME_TTY (f)->input), &width, &height);
744 change_frame_size (f, height, width, 0, 0, 0);
747 adjust_glyphs (f);
748 calculate_costs (f);
749 XSETFRAME (frame, f);
750 Fmodify_frame_parameters (frame, Vdefault_frame_alist);
751 Fmodify_frame_parameters (frame, parms);
752 Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty_type,
753 build_string (t->display_info.tty->type)),
754 Qnil));
755 if (t->display_info.tty->name != NULL)
756 Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty,
757 build_string (t->display_info.tty->name)),
758 Qnil));
759 else
760 Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty, Qnil), Qnil));
762 /* Make the frame face alist be frame-specific, so that each
763 frame could change its face definitions independently. */
764 f->face_alist = Fcopy_alist (sf->face_alist);
765 /* Simple Fcopy_alist isn't enough, because we need the contents of
766 the vectors which are the CDRs of associations in face_alist to
767 be copied as well. */
768 for (tem = f->face_alist; CONSP (tem); tem = XCDR (tem))
769 XSETCDR (XCAR (tem), Fcopy_sequence (XCDR (XCAR (tem))));
770 return frame;
774 /* Perform the switch to frame FRAME.
776 If FRAME is a switch-frame event `(switch-frame FRAME1)', use
777 FRAME1 as frame.
779 If TRACK is non-zero and the frame that currently has the focus
780 redirects its focus to the selected frame, redirect that focused
781 frame's focus to FRAME instead.
783 FOR_DELETION non-zero means that the selected frame is being
784 deleted, which includes the possibility that the frame's terminal
785 is dead.
787 The value of NORECORD is passed as argument to Fselect_window. */
789 Lisp_Object
790 do_switch_frame (frame, track, for_deletion, norecord)
791 Lisp_Object frame, norecord;
792 int track, for_deletion;
794 struct frame *sf = SELECTED_FRAME ();
796 /* If FRAME is a switch-frame event, extract the frame we should
797 switch to. */
798 if (CONSP (frame)
799 && EQ (XCAR (frame), Qswitch_frame)
800 && CONSP (XCDR (frame)))
801 frame = XCAR (XCDR (frame));
803 /* This used to say CHECK_LIVE_FRAME, but apparently it's possible for
804 a switch-frame event to arrive after a frame is no longer live,
805 especially when deleting the initial frame during startup. */
806 CHECK_FRAME (frame);
807 if (! FRAME_LIVE_P (XFRAME (frame)))
808 return Qnil;
810 if (sf == XFRAME (frame))
811 return frame;
813 /* This is too greedy; it causes inappropriate focus redirection
814 that's hard to get rid of. */
815 #if 0
816 /* If a frame's focus has been redirected toward the currently
817 selected frame, we should change the redirection to point to the
818 newly selected frame. This means that if the focus is redirected
819 from a minibufferless frame to a surrogate minibuffer frame, we
820 can use `other-window' to switch between all the frames using
821 that minibuffer frame, and the focus redirection will follow us
822 around. */
823 if (track)
825 Lisp_Object tail;
827 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
829 Lisp_Object focus;
831 if (!FRAMEP (XCAR (tail)))
832 abort ();
834 focus = FRAME_FOCUS_FRAME (XFRAME (XCAR (tail)));
836 if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
837 Fredirect_frame_focus (XCAR (tail), frame);
840 #else /* ! 0 */
841 /* Instead, apply it only to the frame we're pointing to. */
842 #ifdef HAVE_WINDOW_SYSTEM
843 if (track && FRAME_WINDOW_P (XFRAME (frame)))
845 Lisp_Object focus, xfocus;
847 xfocus = x_get_focus_frame (XFRAME (frame));
848 if (FRAMEP (xfocus))
850 focus = FRAME_FOCUS_FRAME (XFRAME (xfocus));
851 if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
852 Fredirect_frame_focus (xfocus, frame);
855 #endif /* HAVE_X_WINDOWS */
856 #endif /* ! 0 */
858 if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
859 resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);
861 if (FRAME_TERMCAP_P (XFRAME (frame)) || FRAME_MSDOS_P (XFRAME (frame)))
863 if (FRAMEP (FRAME_TTY (XFRAME (frame))->top_frame))
864 /* Mark previously displayed frame as now obscured. */
865 XFRAME (FRAME_TTY (XFRAME (frame))->top_frame)->async_visible = 2;
866 XFRAME (frame)->async_visible = 1;
867 FRAME_TTY (XFRAME (frame))->top_frame = frame;
870 selected_frame = frame;
871 if (! FRAME_MINIBUF_ONLY_P (XFRAME (selected_frame)))
872 last_nonminibuf_frame = XFRAME (selected_frame);
874 Fselect_window (XFRAME (frame)->selected_window, norecord);
876 /* We want to make sure that the next event generates a frame-switch
877 event to the appropriate frame. This seems kludgy to me, but
878 before you take it out, make sure that evaluating something like
879 (select-window (frame-root-window (new-frame))) doesn't end up
880 with your typing being interpreted in the new frame instead of
881 the one you're actually typing in. */
882 internal_last_event_frame = Qnil;
884 return frame;
887 DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 2, "e",
888 doc: /* Select FRAME.
889 Subsequent editing commands apply to its selected window.
890 Optional argument NORECORD means to neither change the order of
891 recently selected windows nor the buffer list.
893 The selection of FRAME lasts until the next time the user does
894 something to select a different frame, or until the next time
895 this function is called. If you are using a window system, the
896 previously selected frame may be restored as the selected frame
897 when returning to the command loop, because it still may have
898 the window system's input focus. On a text-only terminal, the
899 next redisplay will display FRAME.
901 This function returns FRAME, or nil if FRAME has been deleted. */)
902 (frame, norecord)
903 Lisp_Object frame, norecord;
905 return do_switch_frame (frame, 1, 0, norecord);
909 DEFUN ("handle-switch-frame", Fhandle_switch_frame, Shandle_switch_frame, 1, 1, "e",
910 doc: /* Handle a switch-frame event EVENT.
911 Switch-frame events are usually bound to this function.
912 A switch-frame event tells Emacs that the window manager has requested
913 that the user's events be directed to the frame mentioned in the event.
914 This function selects the selected window of the frame of EVENT.
916 If EVENT is frame object, handle it as if it were a switch-frame event
917 to that frame. */)
918 (event)
919 Lisp_Object event;
921 /* Preserve prefix arg that the command loop just cleared. */
922 current_kboard->Vprefix_arg = Vcurrent_prefix_arg;
923 call1 (Vrun_hooks, Qmouse_leave_buffer_hook);
924 return do_switch_frame (event, 0, 0, Qnil);
927 DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0,
928 doc: /* Return the frame that is now selected. */)
931 return selected_frame;
934 DEFUN ("window-frame", Fwindow_frame, Swindow_frame, 1, 1, 0,
935 doc: /* Return the frame object that window WINDOW is on. */)
936 (window)
937 Lisp_Object window;
939 CHECK_LIVE_WINDOW (window);
940 return XWINDOW (window)->frame;
943 DEFUN ("frame-first-window", Fframe_first_window, Sframe_first_window, 0, 1, 0,
944 doc: /* Returns the topmost, leftmost window of FRAME.
945 If omitted, FRAME defaults to the currently selected frame. */)
946 (frame)
947 Lisp_Object frame;
949 Lisp_Object w;
951 if (NILP (frame))
952 w = SELECTED_FRAME ()->root_window;
953 else
955 CHECK_LIVE_FRAME (frame);
956 w = XFRAME (frame)->root_window;
958 while (NILP (XWINDOW (w)->buffer))
960 if (! NILP (XWINDOW (w)->hchild))
961 w = XWINDOW (w)->hchild;
962 else if (! NILP (XWINDOW (w)->vchild))
963 w = XWINDOW (w)->vchild;
964 else
965 abort ();
967 return w;
970 DEFUN ("active-minibuffer-window", Factive_minibuffer_window,
971 Sactive_minibuffer_window, 0, 0, 0,
972 doc: /* Return the currently active minibuffer window, or nil if none. */)
975 return minibuf_level ? minibuf_window : Qnil;
978 DEFUN ("frame-root-window", Fframe_root_window, Sframe_root_window, 0, 1, 0,
979 doc: /* Returns the root-window of FRAME.
980 If omitted, FRAME defaults to the currently selected frame. */)
981 (frame)
982 Lisp_Object frame;
984 Lisp_Object window;
986 if (NILP (frame))
987 window = SELECTED_FRAME ()->root_window;
988 else
990 CHECK_LIVE_FRAME (frame);
991 window = XFRAME (frame)->root_window;
994 return window;
997 DEFUN ("frame-selected-window", Fframe_selected_window,
998 Sframe_selected_window, 0, 1, 0,
999 doc: /* Return the selected window of FRAME.
1000 FRAME defaults to the currently selected frame. */)
1001 (frame)
1002 Lisp_Object frame;
1004 Lisp_Object window;
1006 if (NILP (frame))
1007 window = SELECTED_FRAME ()->selected_window;
1008 else
1010 CHECK_LIVE_FRAME (frame);
1011 window = XFRAME (frame)->selected_window;
1014 return window;
1017 DEFUN ("set-frame-selected-window", Fset_frame_selected_window,
1018 Sset_frame_selected_window, 2, 3, 0,
1019 doc: /* Set selected window of FRAME to WINDOW.
1020 If FRAME is nil, use the selected frame. If FRAME is the
1021 selected frame, this makes WINDOW the selected window.
1022 Optional argument NORECORD non-nil means to neither change the
1023 order of recently selected windows nor the buffer list.
1024 Return WINDOW. */)
1025 (frame, window, norecord)
1026 Lisp_Object frame, window, norecord;
1028 if (NILP (frame))
1029 frame = selected_frame;
1031 CHECK_LIVE_FRAME (frame);
1032 CHECK_LIVE_WINDOW (window);
1034 if (! EQ (frame, WINDOW_FRAME (XWINDOW (window))))
1035 error ("In `set-frame-selected-window', WINDOW is not on FRAME");
1037 if (EQ (frame, selected_frame))
1038 return Fselect_window (window, norecord);
1040 return XFRAME (frame)->selected_window = window;
1044 DEFUN ("frame-list", Fframe_list, Sframe_list,
1045 0, 0, 0,
1046 doc: /* Return a list of all live frames. */)
1049 Lisp_Object frames;
1050 frames = Fcopy_sequence (Vframe_list);
1051 #ifdef HAVE_WINDOW_SYSTEM
1052 if (FRAMEP (tip_frame))
1053 frames = Fdelq (tip_frame, frames);
1054 #endif
1055 return frames;
1058 /* Return the next frame in the frame list after FRAME.
1059 If MINIBUF is nil, exclude minibuffer-only frames.
1060 If MINIBUF is a window, include only its own frame
1061 and any frame now using that window as the minibuffer.
1062 If MINIBUF is `visible', include all visible frames.
1063 If MINIBUF is 0, include all visible and iconified frames.
1064 Otherwise, include all frames. */
1066 static Lisp_Object
1067 next_frame (frame, minibuf)
1068 Lisp_Object frame;
1069 Lisp_Object minibuf;
1071 Lisp_Object tail;
1072 int passed = 0;
1074 /* There must always be at least one frame in Vframe_list. */
1075 if (! CONSP (Vframe_list))
1076 abort ();
1078 /* If this frame is dead, it won't be in Vframe_list, and we'll loop
1079 forever. Forestall that. */
1080 CHECK_LIVE_FRAME (frame);
1082 while (1)
1083 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
1085 Lisp_Object f;
1087 f = XCAR (tail);
1089 if (passed
1090 && ((!FRAME_TERMCAP_P (XFRAME (f)) && !FRAME_TERMCAP_P (XFRAME (frame))
1091 && FRAME_KBOARD (XFRAME (f)) == FRAME_KBOARD (XFRAME (frame)))
1092 || (FRAME_TERMCAP_P (XFRAME (f)) && FRAME_TERMCAP_P (XFRAME (frame))
1093 && FRAME_TTY (XFRAME (f)) == FRAME_TTY (XFRAME (frame)))))
1095 /* Decide whether this frame is eligible to be returned. */
1097 /* If we've looped all the way around without finding any
1098 eligible frames, return the original frame. */
1099 if (EQ (f, frame))
1100 return f;
1102 /* Let minibuf decide if this frame is acceptable. */
1103 if (NILP (minibuf))
1105 if (! FRAME_MINIBUF_ONLY_P (XFRAME (f)))
1106 return f;
1108 else if (EQ (minibuf, Qvisible))
1110 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1111 if (FRAME_VISIBLE_P (XFRAME (f)))
1112 return f;
1114 else if (INTEGERP (minibuf) && XINT (minibuf) == 0)
1116 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1117 if (FRAME_VISIBLE_P (XFRAME (f))
1118 || FRAME_ICONIFIED_P (XFRAME (f)))
1119 return f;
1121 else if (WINDOWP (minibuf))
1123 if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf)
1124 || EQ (WINDOW_FRAME (XWINDOW (minibuf)), f)
1125 || EQ (WINDOW_FRAME (XWINDOW (minibuf)),
1126 FRAME_FOCUS_FRAME (XFRAME (f))))
1127 return f;
1129 else
1130 return f;
1133 if (EQ (frame, f))
1134 passed++;
1138 /* Return the previous frame in the frame list before FRAME.
1139 If MINIBUF is nil, exclude minibuffer-only frames.
1140 If MINIBUF is a window, include only its own frame
1141 and any frame now using that window as the minibuffer.
1142 If MINIBUF is `visible', include all visible frames.
1143 If MINIBUF is 0, include all visible and iconified frames.
1144 Otherwise, include all frames. */
1146 static Lisp_Object
1147 prev_frame (frame, minibuf)
1148 Lisp_Object frame;
1149 Lisp_Object minibuf;
1151 Lisp_Object tail;
1152 Lisp_Object prev;
1154 /* There must always be at least one frame in Vframe_list. */
1155 if (! CONSP (Vframe_list))
1156 abort ();
1158 prev = Qnil;
1159 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
1161 Lisp_Object f;
1163 f = XCAR (tail);
1164 if (!FRAMEP (f))
1165 abort ();
1167 if (EQ (frame, f) && !NILP (prev))
1168 return prev;
1170 if ((!FRAME_TERMCAP_P (XFRAME (f)) && !FRAME_TERMCAP_P (XFRAME (frame))
1171 && FRAME_KBOARD (XFRAME (f)) == FRAME_KBOARD (XFRAME (frame)))
1172 || (FRAME_TERMCAP_P (XFRAME (f)) && FRAME_TERMCAP_P (XFRAME (frame))
1173 && FRAME_TTY (XFRAME (f)) == FRAME_TTY (XFRAME (frame))))
1175 /* Decide whether this frame is eligible to be returned,
1176 according to minibuf. */
1177 if (NILP (minibuf))
1179 if (! FRAME_MINIBUF_ONLY_P (XFRAME (f)))
1180 prev = f;
1182 else if (WINDOWP (minibuf))
1184 if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f)), minibuf)
1185 || EQ (WINDOW_FRAME (XWINDOW (minibuf)), f)
1186 || EQ (WINDOW_FRAME (XWINDOW (minibuf)),
1187 FRAME_FOCUS_FRAME (XFRAME (f))))
1188 prev = f;
1190 else if (EQ (minibuf, Qvisible))
1192 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1193 if (FRAME_VISIBLE_P (XFRAME (f)))
1194 prev = f;
1196 else if (XFASTINT (minibuf) == 0)
1198 FRAME_SAMPLE_VISIBILITY (XFRAME (f));
1199 if (FRAME_VISIBLE_P (XFRAME (f))
1200 || FRAME_ICONIFIED_P (XFRAME (f)))
1201 prev = f;
1203 else
1204 prev = f;
1208 /* We've scanned the entire list. */
1209 if (NILP (prev))
1210 /* We went through the whole frame list without finding a single
1211 acceptable frame. Return the original frame. */
1212 return frame;
1213 else
1214 /* There were no acceptable frames in the list before FRAME; otherwise,
1215 we would have returned directly from the loop. Since PREV is the last
1216 acceptable frame in the list, return it. */
1217 return prev;
1221 DEFUN ("next-frame", Fnext_frame, Snext_frame, 0, 2, 0,
1222 doc: /* Return the next frame in the frame list after FRAME.
1223 It considers only frames on the same terminal as FRAME.
1224 By default, skip minibuffer-only frames.
1225 If omitted, FRAME defaults to the selected frame.
1226 If optional argument MINIFRAME is nil, exclude minibuffer-only frames.
1227 If MINIFRAME is a window, include only its own frame
1228 and any frame now using that window as the minibuffer.
1229 If MINIFRAME is `visible', include all visible frames.
1230 If MINIFRAME is 0, include all visible and iconified frames.
1231 Otherwise, include all frames. */)
1232 (frame, miniframe)
1233 Lisp_Object frame, miniframe;
1235 if (NILP (frame))
1236 frame = selected_frame;
1238 CHECK_LIVE_FRAME (frame);
1239 return next_frame (frame, miniframe);
1242 DEFUN ("previous-frame", Fprevious_frame, Sprevious_frame, 0, 2, 0,
1243 doc: /* Return the previous frame in the frame list before FRAME.
1244 It considers only frames on the same terminal as FRAME.
1245 By default, skip minibuffer-only frames.
1246 If omitted, FRAME defaults to the selected frame.
1247 If optional argument MINIFRAME is nil, exclude minibuffer-only frames.
1248 If MINIFRAME is a window, include only its own frame
1249 and any frame now using that window as the minibuffer.
1250 If MINIFRAME is `visible', include all visible frames.
1251 If MINIFRAME is 0, include all visible and iconified frames.
1252 Otherwise, include all frames. */)
1253 (frame, miniframe)
1254 Lisp_Object frame, miniframe;
1256 if (NILP (frame))
1257 frame = selected_frame;
1258 CHECK_LIVE_FRAME (frame);
1259 return prev_frame (frame, miniframe);
1262 /* Return 1 if it is ok to delete frame F;
1263 0 if all frames aside from F are invisible.
1264 (Exception: if F is the terminal frame, and we are using X, return 1.) */
1267 other_visible_frames (f)
1268 FRAME_PTR f;
1270 /* We know the selected frame is visible,
1271 so if F is some other frame, it can't be the sole visible one. */
1272 if (f == SELECTED_FRAME ())
1274 Lisp_Object frames;
1275 int count = 0;
1277 for (frames = Vframe_list;
1278 CONSP (frames);
1279 frames = XCDR (frames))
1281 Lisp_Object this;
1283 this = XCAR (frames);
1284 /* Verify that the frame's window still exists
1285 and we can still talk to it. And note any recent change
1286 in visibility. */
1287 #ifdef HAVE_WINDOW_SYSTEM
1288 if (FRAME_WINDOW_P (XFRAME (this)))
1290 x_sync (XFRAME (this));
1291 FRAME_SAMPLE_VISIBILITY (XFRAME (this));
1293 #endif
1295 if (FRAME_VISIBLE_P (XFRAME (this))
1296 || FRAME_ICONIFIED_P (XFRAME (this))
1297 /* Allow deleting the terminal frame when at least
1298 one X frame exists! */
1299 || (FRAME_WINDOW_P (XFRAME (this)) && !FRAME_WINDOW_P (f)))
1300 count++;
1302 return count > 1;
1304 return 1;
1307 /* Error handler for `delete-frame-functions'. */
1308 static Lisp_Object
1309 delete_frame_handler (Lisp_Object arg)
1311 add_to_log ("Error during `delete-frame': %s", arg, Qnil);
1312 return Qnil;
1315 extern Lisp_Object Qrun_hook_with_args;
1317 /* Delete FRAME. When FORCE equals Qnoelisp, delete FRAME
1318 unconditionally. x_connection_closed and delete_terminal use
1319 this. Any other value of FORCE implements the semantics
1320 described for Fdelete_frame. */
1321 Lisp_Object
1322 delete_frame (frame, force)
1323 /* If we use `register' here, gcc-4.0.2 on amd64 using
1324 -DUSE_LISP_UNION_TYPE complains further down that we're getting the
1325 address of `force'. Go figure. */
1326 Lisp_Object frame, force;
1328 struct frame *f;
1329 struct frame *sf = SELECTED_FRAME ();
1330 struct kboard *kb;
1332 int minibuffer_selected;
1334 if (EQ (frame, Qnil))
1336 f = sf;
1337 XSETFRAME (frame, f);
1339 else
1341 CHECK_FRAME (frame);
1342 f = XFRAME (frame);
1345 if (! FRAME_LIVE_P (f))
1346 return Qnil;
1348 if (NILP (force) && !other_visible_frames (f))
1349 error ("Attempt to delete the sole visible or iconified frame");
1351 /* x_connection_closed must have set FORCE to `noelisp' in order
1352 to delete the last frame, if it is gone. */
1353 if (NILP (XCDR (Vframe_list)) && !EQ (force, Qnoelisp))
1354 error ("Attempt to delete the only frame");
1356 /* Does this frame have a minibuffer, and is it the surrogate
1357 minibuffer for any other frame? */
1358 if (FRAME_HAS_MINIBUF_P (XFRAME (frame)))
1360 Lisp_Object frames;
1362 for (frames = Vframe_list;
1363 CONSP (frames);
1364 frames = XCDR (frames))
1366 Lisp_Object this;
1367 this = XCAR (frames);
1369 if (! EQ (this, frame)
1370 && EQ (frame,
1371 WINDOW_FRAME (XWINDOW
1372 (FRAME_MINIBUF_WINDOW (XFRAME (this))))))
1374 /* If we MUST delete this frame, delete the other first.
1375 But do this only if FORCE equals `noelisp'. */
1376 if (EQ (force, Qnoelisp))
1377 delete_frame (this, Qnoelisp);
1378 else
1379 error ("Attempt to delete a surrogate minibuffer frame");
1384 /* Run `delete-frame-functions' unless FORCE is `noelisp' or
1385 frame is a tooltip. FORCE is set to `noelisp' when handling
1386 a disconnect from the terminal, so we don't dare call Lisp
1387 code. */
1388 if (NILP (Vrun_hooks) || !NILP (Fframe_parameter (frame, intern ("tooltip"))))
1390 if (EQ (force, Qnoelisp))
1391 pending_funcalls
1392 = Fcons (list3 (Qrun_hook_with_args, Qdelete_frame_functions, frame),
1393 pending_funcalls);
1394 else
1395 safe_call2 (Qrun_hook_with_args, Qdelete_frame_functions, frame);
1397 /* The hook may sometimes (indirectly) cause the frame to be deleted. */
1398 if (! FRAME_LIVE_P (f))
1399 return Qnil;
1401 /* At this point, we are committed to deleting the frame.
1402 There is no more chance for errors to prevent it. */
1404 minibuffer_selected = EQ (minibuf_window, selected_window);
1406 /* Don't let the frame remain selected. */
1407 if (f == sf)
1409 Lisp_Object tail, frame1;
1411 /* Look for another visible frame on the same terminal. */
1412 frame1 = next_frame (frame, Qvisible);
1414 /* If there is none, find *some* other frame. */
1415 if (NILP (frame1) || EQ (frame1, frame))
1417 FOR_EACH_FRAME (tail, frame1)
1419 if (! EQ (frame, frame1) && FRAME_LIVE_P (XFRAME (frame1)))
1420 break;
1423 #ifdef NS_IMPL_COCOA
1424 else
1425 /* Under NS, there is no system mechanism for choosing a new
1426 window to get focus -- it is left to application code.
1427 So the portion of THIS application interfacing with NS
1428 needs to know about it. We call Fraise_frame, but the
1429 purpose is really to transfer focus. */
1430 Fraise_frame (frame1);
1431 #endif
1433 do_switch_frame (frame1, 0, 1, Qnil);
1434 sf = SELECTED_FRAME ();
1437 /* Don't allow minibuf_window to remain on a deleted frame. */
1438 if (EQ (f->minibuffer_window, minibuf_window))
1440 Fset_window_buffer (sf->minibuffer_window,
1441 XWINDOW (minibuf_window)->buffer, Qnil);
1442 minibuf_window = sf->minibuffer_window;
1444 /* If the dying minibuffer window was selected,
1445 select the new one. */
1446 if (minibuffer_selected)
1447 Fselect_window (minibuf_window, Qnil);
1450 /* Don't let echo_area_window to remain on a deleted frame. */
1451 if (EQ (f->minibuffer_window, echo_area_window))
1452 echo_area_window = sf->minibuffer_window;
1454 /* Clear any X selections for this frame. */
1455 #ifdef HAVE_X_WINDOWS
1456 if (FRAME_X_P (f))
1457 x_clear_frame_selections (f);
1458 #endif
1460 /* Free glyphs.
1461 This function must be called before the window tree of the
1462 frame is deleted because windows contain dynamically allocated
1463 memory. */
1464 free_glyphs (f);
1466 #ifdef HAVE_WINDOW_SYSTEM
1467 /* Give chance to each font driver to free a frame specific data. */
1468 font_update_drivers (f, Qnil);
1469 #endif
1471 /* Mark all the windows that used to be on FRAME as deleted, and then
1472 remove the reference to them. */
1473 delete_all_subwindows (XWINDOW (f->root_window));
1474 f->root_window = Qnil;
1476 Vframe_list = Fdelq (frame, Vframe_list);
1477 FRAME_SET_VISIBLE (f, 0);
1479 /* Allow the vector of menu bar contents to be freed in the next
1480 garbage collection. The frame object itself may not be garbage
1481 collected until much later, because recent_keys and other data
1482 structures can still refer to it. */
1483 f->menu_bar_vector = Qnil;
1485 free_font_driver_list (f);
1486 xfree (f->namebuf);
1487 xfree (f->decode_mode_spec_buffer);
1488 xfree (FRAME_INSERT_COST (f));
1489 xfree (FRAME_DELETEN_COST (f));
1490 xfree (FRAME_INSERTN_COST (f));
1491 xfree (FRAME_DELETE_COST (f));
1492 xfree (FRAME_MESSAGE_BUF (f));
1494 /* Since some events are handled at the interrupt level, we may get
1495 an event for f at any time; if we zero out the frame's terminal
1496 now, then we may trip up the event-handling code. Instead, we'll
1497 promise that the terminal of the frame must be valid until we
1498 have called the window-system-dependent frame destruction
1499 routine. */
1501 if (FRAME_TERMINAL (f)->delete_frame_hook)
1502 (*FRAME_TERMINAL (f)->delete_frame_hook) (f);
1505 struct terminal *terminal = FRAME_TERMINAL (f);
1506 f->output_data.nothing = 0;
1507 f->terminal = 0; /* Now the frame is dead. */
1509 /* If needed, delete the terminal that this frame was on.
1510 (This must be done after the frame is killed.) */
1511 terminal->reference_count--;
1512 if (terminal->reference_count == 0)
1514 Lisp_Object tmp;
1515 XSETTERMINAL (tmp, terminal);
1517 kb = NULL;
1518 Fdelete_terminal (tmp, NILP (force) ? Qt : force);
1520 else
1521 kb = terminal->kboard;
1524 /* If we've deleted the last_nonminibuf_frame, then try to find
1525 another one. */
1526 if (f == last_nonminibuf_frame)
1528 Lisp_Object frames;
1530 last_nonminibuf_frame = 0;
1532 for (frames = Vframe_list;
1533 CONSP (frames);
1534 frames = XCDR (frames))
1536 f = XFRAME (XCAR (frames));
1537 if (!FRAME_MINIBUF_ONLY_P (f))
1539 last_nonminibuf_frame = f;
1540 break;
1545 /* If there's no other frame on the same kboard, get out of
1546 single-kboard state if we're in it for this kboard. */
1547 if (kb != NULL)
1549 Lisp_Object frames;
1550 /* Some frame we found on the same kboard, or nil if there are none. */
1551 Lisp_Object frame_on_same_kboard;
1553 frame_on_same_kboard = Qnil;
1555 for (frames = Vframe_list;
1556 CONSP (frames);
1557 frames = XCDR (frames))
1559 Lisp_Object this;
1560 struct frame *f1;
1562 this = XCAR (frames);
1563 if (!FRAMEP (this))
1564 abort ();
1565 f1 = XFRAME (this);
1567 if (kb == FRAME_KBOARD (f1))
1568 frame_on_same_kboard = this;
1571 if (NILP (frame_on_same_kboard))
1572 not_single_kboard_state (kb);
1576 /* If we've deleted this keyboard's default_minibuffer_frame, try to
1577 find another one. Prefer minibuffer-only frames, but also notice
1578 frames with other windows. */
1579 if (kb != NULL && EQ (frame, kb->Vdefault_minibuffer_frame))
1581 Lisp_Object frames;
1583 /* The last frame we saw with a minibuffer, minibuffer-only or not. */
1584 Lisp_Object frame_with_minibuf;
1585 /* Some frame we found on the same kboard, or nil if there are none. */
1586 Lisp_Object frame_on_same_kboard;
1588 frame_on_same_kboard = Qnil;
1589 frame_with_minibuf = Qnil;
1591 for (frames = Vframe_list;
1592 CONSP (frames);
1593 frames = XCDR (frames))
1595 Lisp_Object this;
1596 struct frame *f1;
1598 this = XCAR (frames);
1599 if (!FRAMEP (this))
1600 abort ();
1601 f1 = XFRAME (this);
1603 /* Consider only frames on the same kboard
1604 and only those with minibuffers. */
1605 if (kb == FRAME_KBOARD (f1)
1606 && FRAME_HAS_MINIBUF_P (f1))
1608 frame_with_minibuf = this;
1609 if (FRAME_MINIBUF_ONLY_P (f1))
1610 break;
1613 if (kb == FRAME_KBOARD (f1))
1614 frame_on_same_kboard = this;
1617 if (!NILP (frame_on_same_kboard))
1619 /* We know that there must be some frame with a minibuffer out
1620 there. If this were not true, all of the frames present
1621 would have to be minibufferless, which implies that at some
1622 point their minibuffer frames must have been deleted, but
1623 that is prohibited at the top; you can't delete surrogate
1624 minibuffer frames. */
1625 if (NILP (frame_with_minibuf))
1626 abort ();
1628 kb->Vdefault_minibuffer_frame = frame_with_minibuf;
1630 else
1631 /* No frames left on this kboard--say no minibuffer either. */
1632 kb->Vdefault_minibuffer_frame = Qnil;
1635 /* Cause frame titles to update--necessary if we now have just one frame. */
1636 update_mode_lines = 1;
1638 return Qnil;
1641 DEFUN ("delete-frame", Fdelete_frame, Sdelete_frame, 0, 2, "",
1642 doc: /* Delete FRAME, permanently eliminating it from use.
1643 FRAME defaults to the selected frame.
1645 A frame may not be deleted if its minibuffer is used by other frames.
1646 Normally, you may not delete a frame if all other frames are invisible,
1647 but if the second optional argument FORCE is non-nil, you may do so.
1649 This function runs `delete-frame-functions' before actually
1650 deleting the frame, unless the frame is a tooltip.
1651 The functions are run with one argument, the frame to be deleted. */)
1652 (frame, force)
1653 Lisp_Object frame, force;
1655 return delete_frame (frame, !NILP (force) ? Qt : Qnil);
1659 /* Return mouse position in character cell units. */
1661 DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0,
1662 doc: /* Return a list (FRAME X . Y) giving the current mouse frame and position.
1663 The position is given in character cells, where (0, 0) is the
1664 upper-left corner of the frame, X is the horizontal offset, and Y is
1665 the vertical offset.
1666 If Emacs is running on a mouseless terminal or hasn't been programmed
1667 to read the mouse position, it returns the selected frame for FRAME
1668 and nil for X and Y.
1669 If `mouse-position-function' is non-nil, `mouse-position' calls it,
1670 passing the normal return value to that function as an argument,
1671 and returns whatever that function returns. */)
1674 FRAME_PTR f;
1675 Lisp_Object lispy_dummy;
1676 enum scroll_bar_part party_dummy;
1677 Lisp_Object x, y, retval;
1678 int col, row;
1679 unsigned long long_dummy;
1680 struct gcpro gcpro1;
1682 f = SELECTED_FRAME ();
1683 x = y = Qnil;
1685 #if defined (HAVE_MOUSE) || defined (HAVE_GPM)
1686 /* It's okay for the hook to refrain from storing anything. */
1687 if (FRAME_TERMINAL (f)->mouse_position_hook)
1688 (*FRAME_TERMINAL (f)->mouse_position_hook) (&f, -1,
1689 &lispy_dummy, &party_dummy,
1690 &x, &y,
1691 &long_dummy);
1692 if (! NILP (x))
1694 col = XINT (x);
1695 row = XINT (y);
1696 pixel_to_glyph_coords (f, col, row, &col, &row, NULL, 1);
1697 XSETINT (x, col);
1698 XSETINT (y, row);
1700 #endif
1701 XSETFRAME (lispy_dummy, f);
1702 retval = Fcons (lispy_dummy, Fcons (x, y));
1703 GCPRO1 (retval);
1704 if (!NILP (Vmouse_position_function))
1705 retval = call1 (Vmouse_position_function, retval);
1706 RETURN_UNGCPRO (retval);
1709 DEFUN ("mouse-pixel-position", Fmouse_pixel_position,
1710 Smouse_pixel_position, 0, 0, 0,
1711 doc: /* Return a list (FRAME X . Y) giving the current mouse frame and position.
1712 The position is given in pixel units, where (0, 0) is the
1713 upper-left corner of the frame, X is the horizontal offset, and Y is
1714 the vertical offset.
1715 If Emacs is running on a mouseless terminal or hasn't been programmed
1716 to read the mouse position, it returns the selected frame for FRAME
1717 and nil for X and Y. */)
1720 FRAME_PTR f;
1721 Lisp_Object lispy_dummy;
1722 enum scroll_bar_part party_dummy;
1723 Lisp_Object x, y;
1724 unsigned long long_dummy;
1726 f = SELECTED_FRAME ();
1727 x = y = Qnil;
1729 #if defined (HAVE_MOUSE) || defined (HAVE_GPM)
1730 /* It's okay for the hook to refrain from storing anything. */
1731 if (FRAME_TERMINAL (f)->mouse_position_hook)
1732 (*FRAME_TERMINAL (f)->mouse_position_hook) (&f, -1,
1733 &lispy_dummy, &party_dummy,
1734 &x, &y,
1735 &long_dummy);
1736 #endif
1737 XSETFRAME (lispy_dummy, f);
1738 return Fcons (lispy_dummy, Fcons (x, y));
1741 DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0,
1742 doc: /* Move the mouse pointer to the center of character cell (X,Y) in FRAME.
1743 Coordinates are relative to the frame, not a window,
1744 so the coordinates of the top left character in the frame
1745 may be nonzero due to left-hand scroll bars or the menu bar.
1747 The position is given in character cells, where (0, 0) is the
1748 upper-left corner of the frame, X is the horizontal offset, and Y is
1749 the vertical offset.
1751 This function is a no-op for an X frame that is not visible.
1752 If you have just created a frame, you must wait for it to become visible
1753 before calling this function on it, like this.
1754 (while (not (frame-visible-p frame)) (sleep-for .5)) */)
1755 (frame, x, y)
1756 Lisp_Object frame, x, y;
1758 CHECK_LIVE_FRAME (frame);
1759 CHECK_NUMBER (x);
1760 CHECK_NUMBER (y);
1762 /* I think this should be done with a hook. */
1763 #ifdef HAVE_WINDOW_SYSTEM
1764 if (FRAME_WINDOW_P (XFRAME (frame)))
1765 /* Warping the mouse will cause enternotify and focus events. */
1766 x_set_mouse_position (XFRAME (frame), XINT (x), XINT (y));
1767 #else
1768 #if defined (MSDOS) && defined (HAVE_MOUSE)
1769 if (FRAME_MSDOS_P (XFRAME (frame)))
1771 Fselect_frame (frame, Qnil);
1772 mouse_moveto (XINT (x), XINT (y));
1774 #else
1775 #ifdef HAVE_GPM
1777 Fselect_frame (frame, Qnil);
1778 term_mouse_moveto (XINT (x), XINT (y));
1780 #endif
1781 #endif
1782 #endif
1784 return Qnil;
1787 DEFUN ("set-mouse-pixel-position", Fset_mouse_pixel_position,
1788 Sset_mouse_pixel_position, 3, 3, 0,
1789 doc: /* Move the mouse pointer to pixel position (X,Y) in FRAME.
1790 The position is given in pixels, where (0, 0) is the upper-left corner
1791 of the frame, X is the horizontal offset, and Y is the vertical offset.
1793 Note, this is a no-op for an X frame that is not visible.
1794 If you have just created a frame, you must wait for it to become visible
1795 before calling this function on it, like this.
1796 (while (not (frame-visible-p frame)) (sleep-for .5)) */)
1797 (frame, x, y)
1798 Lisp_Object frame, x, y;
1800 CHECK_LIVE_FRAME (frame);
1801 CHECK_NUMBER (x);
1802 CHECK_NUMBER (y);
1804 /* I think this should be done with a hook. */
1805 #ifdef HAVE_WINDOW_SYSTEM
1806 if (FRAME_WINDOW_P (XFRAME (frame)))
1807 /* Warping the mouse will cause enternotify and focus events. */
1808 x_set_mouse_pixel_position (XFRAME (frame), XINT (x), XINT (y));
1809 #else
1810 #if defined (MSDOS) && defined (HAVE_MOUSE)
1811 if (FRAME_MSDOS_P (XFRAME (frame)))
1813 Fselect_frame (frame, Qnil);
1814 mouse_moveto (XINT (x), XINT (y));
1816 #else
1817 #ifdef HAVE_GPM
1819 Fselect_frame (frame, Qnil);
1820 term_mouse_moveto (XINT (x), XINT (y));
1822 #endif
1823 #endif
1824 #endif
1826 return Qnil;
1829 static void make_frame_visible_1 P_ ((Lisp_Object));
1831 DEFUN ("make-frame-visible", Fmake_frame_visible, Smake_frame_visible,
1832 0, 1, "",
1833 doc: /* Make the frame FRAME visible (assuming it is an X window).
1834 If omitted, FRAME defaults to the currently selected frame. */)
1835 (frame)
1836 Lisp_Object frame;
1838 if (NILP (frame))
1839 frame = selected_frame;
1841 CHECK_LIVE_FRAME (frame);
1843 /* I think this should be done with a hook. */
1844 #ifdef HAVE_WINDOW_SYSTEM
1845 if (FRAME_WINDOW_P (XFRAME (frame)))
1847 FRAME_SAMPLE_VISIBILITY (XFRAME (frame));
1848 x_make_frame_visible (XFRAME (frame));
1850 #endif
1852 make_frame_visible_1 (XFRAME (frame)->root_window);
1854 /* Make menu bar update for the Buffers and Frames menus. */
1855 windows_or_buffers_changed++;
1857 return frame;
1860 /* Update the display_time slot of the buffers shown in WINDOW
1861 and all its descendents. */
1863 static void
1864 make_frame_visible_1 (window)
1865 Lisp_Object window;
1867 struct window *w;
1869 for (;!NILP (window); window = w->next)
1871 w = XWINDOW (window);
1873 if (!NILP (w->buffer))
1874 XBUFFER (w->buffer)->display_time = Fcurrent_time ();
1876 if (!NILP (w->vchild))
1877 make_frame_visible_1 (w->vchild);
1878 if (!NILP (w->hchild))
1879 make_frame_visible_1 (w->hchild);
1883 DEFUN ("make-frame-invisible", Fmake_frame_invisible, Smake_frame_invisible,
1884 0, 2, "",
1885 doc: /* Make the frame FRAME invisible.
1886 If omitted, FRAME defaults to the currently selected frame.
1887 On graphical displays, invisible frames are not updated and are
1888 usually not displayed at all, even in a window system's \"taskbar\".
1890 Normally you may not make FRAME invisible if all other frames are invisible,
1891 but if the second optional argument FORCE is non-nil, you may do so.
1893 This function has no effect on text-only terminal frames. Such frames
1894 are always considered visible, whether or not they are currently being
1895 displayed in the terminal. */)
1896 (frame, force)
1897 Lisp_Object frame, force;
1899 if (NILP (frame))
1900 frame = selected_frame;
1902 CHECK_LIVE_FRAME (frame);
1904 if (NILP (force) && !other_visible_frames (XFRAME (frame)))
1905 error ("Attempt to make invisible the sole visible or iconified frame");
1907 #if 0 /* This isn't logically necessary, and it can do GC. */
1908 /* Don't let the frame remain selected. */
1909 if (EQ (frame, selected_frame))
1910 do_switch_frame (next_frame (frame, Qt), 0, 0, Qnil)
1911 #endif
1913 /* Don't allow minibuf_window to remain on a deleted frame. */
1914 if (EQ (XFRAME (frame)->minibuffer_window, minibuf_window))
1916 struct frame *sf = XFRAME (selected_frame);
1917 Fset_window_buffer (sf->minibuffer_window,
1918 XWINDOW (minibuf_window)->buffer, Qnil);
1919 minibuf_window = sf->minibuffer_window;
1922 /* I think this should be done with a hook. */
1923 #ifdef HAVE_WINDOW_SYSTEM
1924 if (FRAME_WINDOW_P (XFRAME (frame)))
1925 x_make_frame_invisible (XFRAME (frame));
1926 #endif
1928 /* Make menu bar update for the Buffers and Frames menus. */
1929 windows_or_buffers_changed++;
1931 return Qnil;
1934 DEFUN ("iconify-frame", Ficonify_frame, Siconify_frame,
1935 0, 1, "",
1936 doc: /* Make the frame FRAME into an icon.
1937 If omitted, FRAME defaults to the currently selected frame. */)
1938 (frame)
1939 Lisp_Object frame;
1941 if (NILP (frame))
1942 frame = selected_frame;
1944 CHECK_LIVE_FRAME (frame);
1946 #if 0 /* This isn't logically necessary, and it can do GC. */
1947 /* Don't let the frame remain selected. */
1948 if (EQ (frame, selected_frame))
1949 Fhandle_switch_frame (next_frame (frame, Qt));
1950 #endif
1952 /* Don't allow minibuf_window to remain on a deleted frame. */
1953 if (EQ (XFRAME (frame)->minibuffer_window, minibuf_window))
1955 struct frame *sf = XFRAME (selected_frame);
1956 Fset_window_buffer (sf->minibuffer_window,
1957 XWINDOW (minibuf_window)->buffer, Qnil);
1958 minibuf_window = sf->minibuffer_window;
1961 /* I think this should be done with a hook. */
1962 #ifdef HAVE_WINDOW_SYSTEM
1963 if (FRAME_WINDOW_P (XFRAME (frame)))
1964 x_iconify_frame (XFRAME (frame));
1965 #endif
1967 /* Make menu bar update for the Buffers and Frames menus. */
1968 windows_or_buffers_changed++;
1970 return Qnil;
1973 DEFUN ("frame-visible-p", Fframe_visible_p, Sframe_visible_p,
1974 1, 1, 0,
1975 doc: /* Return t if FRAME is \"visible\" (actually in use for display).
1976 Return the symbol `icon' if FRAME is iconified or \"minimized\".
1977 Return nil if FRAME was made invisible, via `make-frame-invisible'.
1978 On graphical displays, invisible frames are not updated and are
1979 usually not displayed at all, even in a window system's \"taskbar\".
1981 If FRAME is a text-only terminal frame, this always returns t.
1982 Such frames are always considered visible, whether or not they are
1983 currently being displayed on the terminal. */)
1984 (frame)
1985 Lisp_Object frame;
1987 CHECK_LIVE_FRAME (frame);
1989 FRAME_SAMPLE_VISIBILITY (XFRAME (frame));
1991 if (FRAME_VISIBLE_P (XFRAME (frame)))
1992 return Qt;
1993 if (FRAME_ICONIFIED_P (XFRAME (frame)))
1994 return Qicon;
1995 return Qnil;
1998 DEFUN ("visible-frame-list", Fvisible_frame_list, Svisible_frame_list,
1999 0, 0, 0,
2000 doc: /* Return a list of all frames now \"visible\" (being updated). */)
2003 Lisp_Object tail, frame;
2004 struct frame *f;
2005 Lisp_Object value;
2007 value = Qnil;
2008 for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
2010 frame = XCAR (tail);
2011 if (!FRAMEP (frame))
2012 continue;
2013 f = XFRAME (frame);
2014 if (FRAME_VISIBLE_P (f))
2015 value = Fcons (frame, value);
2017 return value;
2021 DEFUN ("raise-frame", Fraise_frame, Sraise_frame, 0, 1, "",
2022 doc: /* Bring FRAME to the front, so it occludes any frames it overlaps.
2023 If FRAME is invisible or iconified, make it visible.
2024 If you don't specify a frame, the selected frame is used.
2025 If Emacs is displaying on an ordinary terminal or some other device which
2026 doesn't support multiple overlapping frames, this function selects FRAME. */)
2027 (frame)
2028 Lisp_Object frame;
2030 struct frame *f;
2031 if (NILP (frame))
2032 frame = selected_frame;
2034 CHECK_LIVE_FRAME (frame);
2036 f = XFRAME (frame);
2038 if (FRAME_TERMCAP_P (f))
2039 /* On a text-only terminal select FRAME. */
2040 Fselect_frame (frame, Qnil);
2041 else
2042 /* Do like the documentation says. */
2043 Fmake_frame_visible (frame);
2045 if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
2046 (*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 1);
2048 return Qnil;
2051 /* Should we have a corresponding function called Flower_Power? */
2052 DEFUN ("lower-frame", Flower_frame, Slower_frame, 0, 1, "",
2053 doc: /* Send FRAME to the back, so it is occluded by any frames that overlap it.
2054 If you don't specify a frame, the selected frame is used.
2055 If Emacs is displaying on an ordinary terminal or some other device which
2056 doesn't support multiple overlapping frames, this function does nothing. */)
2057 (frame)
2058 Lisp_Object frame;
2060 struct frame *f;
2062 if (NILP (frame))
2063 frame = selected_frame;
2065 CHECK_LIVE_FRAME (frame);
2067 f = XFRAME (frame);
2069 if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
2070 (*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 0);
2072 return Qnil;
2076 DEFUN ("redirect-frame-focus", Fredirect_frame_focus, Sredirect_frame_focus,
2077 1, 2, 0,
2078 doc: /* Arrange for keystrokes typed at FRAME to be sent to FOCUS-FRAME.
2079 In other words, switch-frame events caused by events in FRAME will
2080 request a switch to FOCUS-FRAME, and `last-event-frame' will be
2081 FOCUS-FRAME after reading an event typed at FRAME.
2083 If FOCUS-FRAME is omitted or nil, any existing redirection is
2084 cancelled, and the frame again receives its own keystrokes.
2086 Focus redirection is useful for temporarily redirecting keystrokes to
2087 a surrogate minibuffer frame when a frame doesn't have its own
2088 minibuffer window.
2090 A frame's focus redirection can be changed by `select-frame'. If frame
2091 FOO is selected, and then a different frame BAR is selected, any
2092 frames redirecting their focus to FOO are shifted to redirect their
2093 focus to BAR. This allows focus redirection to work properly when the
2094 user switches from one frame to another using `select-window'.
2096 This means that a frame whose focus is redirected to itself is treated
2097 differently from a frame whose focus is redirected to nil; the former
2098 is affected by `select-frame', while the latter is not.
2100 The redirection lasts until `redirect-frame-focus' is called to change it. */)
2101 (frame, focus_frame)
2102 Lisp_Object frame, focus_frame;
2104 struct frame *f;
2106 /* Note that we don't check for a live frame here. It's reasonable
2107 to redirect the focus of a frame you're about to delete, if you
2108 know what other frame should receive those keystrokes. */
2109 CHECK_FRAME (frame);
2111 if (! NILP (focus_frame))
2112 CHECK_LIVE_FRAME (focus_frame);
2114 f = XFRAME (frame);
2116 f->focus_frame = focus_frame;
2118 if (FRAME_TERMINAL (f)->frame_rehighlight_hook)
2119 (*FRAME_TERMINAL (f)->frame_rehighlight_hook) (f);
2121 return Qnil;
2125 DEFUN ("frame-focus", Fframe_focus, Sframe_focus, 1, 1, 0,
2126 doc: /* Return the frame to which FRAME's keystrokes are currently being sent.
2127 This returns nil if FRAME's focus is not redirected.
2128 See `redirect-frame-focus'. */)
2129 (frame)
2130 Lisp_Object frame;
2132 CHECK_LIVE_FRAME (frame);
2134 return FRAME_FOCUS_FRAME (XFRAME (frame));
2139 /* Return the value of frame parameter PROP in frame FRAME. */
2141 Lisp_Object
2142 get_frame_param (frame, prop)
2143 register struct frame *frame;
2144 Lisp_Object prop;
2146 register Lisp_Object tem;
2148 tem = Fassq (prop, frame->param_alist);
2149 if (EQ (tem, Qnil))
2150 return tem;
2151 return Fcdr (tem);
2154 /* Return the buffer-predicate of the selected frame. */
2156 Lisp_Object
2157 frame_buffer_predicate (frame)
2158 Lisp_Object frame;
2160 return XFRAME (frame)->buffer_predicate;
2163 /* Return the buffer-list of the selected frame. */
2165 Lisp_Object
2166 frame_buffer_list (frame)
2167 Lisp_Object frame;
2169 return XFRAME (frame)->buffer_list;
2172 /* Set the buffer-list of the selected frame. */
2174 void
2175 set_frame_buffer_list (frame, list)
2176 Lisp_Object frame, list;
2178 XFRAME (frame)->buffer_list = list;
2181 /* Discard BUFFER from the buffer-list and buried-buffer-list of each frame. */
2183 void
2184 frames_discard_buffer (buffer)
2185 Lisp_Object buffer;
2187 Lisp_Object frame, tail;
2189 FOR_EACH_FRAME (tail, frame)
2191 XFRAME (frame)->buffer_list
2192 = Fdelq (buffer, XFRAME (frame)->buffer_list);
2193 XFRAME (frame)->buried_buffer_list
2194 = Fdelq (buffer, XFRAME (frame)->buried_buffer_list);
2198 /* Modify the alist in *ALISTPTR to associate PROP with VAL.
2199 If the alist already has an element for PROP, we change it. */
2201 void
2202 store_in_alist (alistptr, prop, val)
2203 Lisp_Object *alistptr, val;
2204 Lisp_Object prop;
2206 register Lisp_Object tem;
2208 tem = Fassq (prop, *alistptr);
2209 if (EQ (tem, Qnil))
2210 *alistptr = Fcons (Fcons (prop, val), *alistptr);
2211 else
2212 Fsetcdr (tem, val);
2215 static int
2216 frame_name_fnn_p (str, len)
2217 char *str;
2218 EMACS_INT len;
2220 if (len > 1 && str[0] == 'F')
2222 char *end_ptr;
2224 strtol (str + 1, &end_ptr, 10);
2226 if (end_ptr == str + len)
2227 return 1;
2229 return 0;
2232 /* Set the name of the terminal frame. Also used by MSDOS frames.
2233 Modeled after x_set_name which is used for WINDOW frames. */
2235 static void
2236 set_term_frame_name (f, name)
2237 struct frame *f;
2238 Lisp_Object name;
2240 f->explicit_name = ! NILP (name);
2242 /* If NAME is nil, set the name to F<num>. */
2243 if (NILP (name))
2245 char namebuf[20];
2247 /* Check for no change needed in this very common case
2248 before we do any consing. */
2249 if (frame_name_fnn_p (SDATA (f->name),
2250 SBYTES (f->name)))
2251 return;
2253 tty_frame_count++;
2254 sprintf (namebuf, "F%d", tty_frame_count);
2255 name = build_string (namebuf);
2257 else
2259 CHECK_STRING (name);
2261 /* Don't change the name if it's already NAME. */
2262 if (! NILP (Fstring_equal (name, f->name)))
2263 return;
2265 /* Don't allow the user to set the frame name to F<num>, so it
2266 doesn't clash with the names we generate for terminal frames. */
2267 if (frame_name_fnn_p (SDATA (name), SBYTES (name)))
2268 error ("Frame names of the form F<num> are usurped by Emacs");
2271 f->name = name;
2272 update_mode_lines = 1;
2275 void
2276 store_frame_param (f, prop, val)
2277 struct frame *f;
2278 Lisp_Object prop, val;
2280 register Lisp_Object old_alist_elt;
2282 /* The buffer-list parameters are stored in a special place and not
2283 in the alist. */
2284 if (EQ (prop, Qbuffer_list))
2286 f->buffer_list = val;
2287 return;
2289 if (EQ (prop, Qburied_buffer_list))
2291 f->buried_buffer_list = val;
2292 return;
2295 /* If PROP is a symbol which is supposed to have frame-local values,
2296 and it is set up based on this frame, switch to the global
2297 binding. That way, we can create or alter the frame-local binding
2298 without messing up the symbol's status. */
2299 if (SYMBOLP (prop))
2301 Lisp_Object valcontents;
2302 valcontents = SYMBOL_VALUE (prop);
2303 if ((BUFFER_LOCAL_VALUEP (valcontents))
2304 && XBUFFER_LOCAL_VALUE (valcontents)->check_frame
2305 && XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame
2306 && XFRAME (XBUFFER_LOCAL_VALUE (valcontents)->frame) == f)
2307 swap_in_global_binding (prop);
2310 /* The tty color needed to be set before the frame's parameter
2311 alist was updated with the new value. This is not true any more,
2312 but we still do this test early on. */
2313 if (FRAME_TERMCAP_P (f) && EQ (prop, Qtty_color_mode)
2314 && f == FRAME_TTY (f)->previous_frame)
2315 /* Force redisplay of this tty. */
2316 FRAME_TTY (f)->previous_frame = NULL;
2318 /* Update the frame parameter alist. */
2319 old_alist_elt = Fassq (prop, f->param_alist);
2320 if (EQ (old_alist_elt, Qnil))
2321 f->param_alist = Fcons (Fcons (prop, val), f->param_alist);
2322 else
2323 Fsetcdr (old_alist_elt, val);
2325 /* Update some other special parameters in their special places
2326 in addition to the alist. */
2328 if (EQ (prop, Qbuffer_predicate))
2329 f->buffer_predicate = val;
2331 if (! FRAME_WINDOW_P (f))
2333 if (EQ (prop, Qmenu_bar_lines))
2334 set_menu_bar_lines (f, val, make_number (FRAME_MENU_BAR_LINES (f)));
2335 else if (EQ (prop, Qname))
2336 set_term_frame_name (f, val);
2339 if (EQ (prop, Qminibuffer) && WINDOWP (val))
2341 if (! MINI_WINDOW_P (XWINDOW (val)))
2342 error ("Surrogate minibuffer windows must be minibuffer windows");
2344 if ((FRAME_HAS_MINIBUF_P (f) || FRAME_MINIBUF_ONLY_P (f))
2345 && !EQ (val, f->minibuffer_window))
2346 error ("Can't change the surrogate minibuffer of a frame with its own minibuffer");
2348 /* Install the chosen minibuffer window, with proper buffer. */
2349 f->minibuffer_window = val;
2353 DEFUN ("frame-parameters", Fframe_parameters, Sframe_parameters, 0, 1, 0,
2354 doc: /* Return the parameters-alist of frame FRAME.
2355 It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.
2356 The meaningful PARMs depend on the kind of frame.
2357 If FRAME is omitted, return information on the currently selected frame. */)
2358 (frame)
2359 Lisp_Object frame;
2361 Lisp_Object alist;
2362 FRAME_PTR f;
2363 int height, width;
2364 struct gcpro gcpro1;
2366 if (NILP (frame))
2367 frame = selected_frame;
2369 CHECK_FRAME (frame);
2370 f = XFRAME (frame);
2372 if (!FRAME_LIVE_P (f))
2373 return Qnil;
2375 alist = Fcopy_alist (f->param_alist);
2376 GCPRO1 (alist);
2378 if (!FRAME_WINDOW_P (f))
2380 int fg = FRAME_FOREGROUND_PIXEL (f);
2381 int bg = FRAME_BACKGROUND_PIXEL (f);
2382 Lisp_Object elt;
2384 /* If the frame's parameter alist says the colors are
2385 unspecified and reversed, take the frame's background pixel
2386 for foreground and vice versa. */
2387 elt = Fassq (Qforeground_color, alist);
2388 if (CONSP (elt) && STRINGP (XCDR (elt)))
2390 if (strncmp (SDATA (XCDR (elt)),
2391 unspecified_bg,
2392 SCHARS (XCDR (elt))) == 0)
2393 store_in_alist (&alist, Qforeground_color, tty_color_name (f, bg));
2394 else if (strncmp (SDATA (XCDR (elt)),
2395 unspecified_fg,
2396 SCHARS (XCDR (elt))) == 0)
2397 store_in_alist (&alist, Qforeground_color, tty_color_name (f, fg));
2399 else
2400 store_in_alist (&alist, Qforeground_color, tty_color_name (f, fg));
2401 elt = Fassq (Qbackground_color, alist);
2402 if (CONSP (elt) && STRINGP (XCDR (elt)))
2404 if (strncmp (SDATA (XCDR (elt)),
2405 unspecified_fg,
2406 SCHARS (XCDR (elt))) == 0)
2407 store_in_alist (&alist, Qbackground_color, tty_color_name (f, fg));
2408 else if (strncmp (SDATA (XCDR (elt)),
2409 unspecified_bg,
2410 SCHARS (XCDR (elt))) == 0)
2411 store_in_alist (&alist, Qbackground_color, tty_color_name (f, bg));
2413 else
2414 store_in_alist (&alist, Qbackground_color, tty_color_name (f, bg));
2415 store_in_alist (&alist, intern ("font"),
2416 build_string (FRAME_MSDOS_P (f)
2417 ? "ms-dos"
2418 : FRAME_W32_P (f) ? "w32term"
2419 :"tty"));
2421 store_in_alist (&alist, Qname, f->name);
2422 height = (f->new_text_lines ? f->new_text_lines : FRAME_LINES (f));
2423 store_in_alist (&alist, Qheight, make_number (height));
2424 width = (f->new_text_cols ? f->new_text_cols : FRAME_COLS (f));
2425 store_in_alist (&alist, Qwidth, make_number (width));
2426 store_in_alist (&alist, Qmodeline, (FRAME_WANTS_MODELINE_P (f) ? Qt : Qnil));
2427 store_in_alist (&alist, Qminibuffer,
2428 (! FRAME_HAS_MINIBUF_P (f) ? Qnil
2429 : FRAME_MINIBUF_ONLY_P (f) ? Qonly
2430 : FRAME_MINIBUF_WINDOW (f)));
2431 store_in_alist (&alist, Qunsplittable, (FRAME_NO_SPLIT_P (f) ? Qt : Qnil));
2432 store_in_alist (&alist, Qbuffer_list, frame_buffer_list (frame));
2433 store_in_alist (&alist, Qburied_buffer_list, XFRAME (frame)->buried_buffer_list);
2435 /* I think this should be done with a hook. */
2436 #ifdef HAVE_WINDOW_SYSTEM
2437 if (FRAME_WINDOW_P (f))
2438 x_report_frame_params (f, &alist);
2439 else
2440 #endif
2442 /* This ought to be correct in f->param_alist for an X frame. */
2443 Lisp_Object lines;
2444 XSETFASTINT (lines, FRAME_MENU_BAR_LINES (f));
2445 store_in_alist (&alist, Qmenu_bar_lines, lines);
2448 UNGCPRO;
2449 return alist;
2453 DEFUN ("frame-parameter", Fframe_parameter, Sframe_parameter, 2, 2, 0,
2454 doc: /* Return FRAME's value for parameter PARAMETER.
2455 If FRAME is nil, describe the currently selected frame. */)
2456 (frame, parameter)
2457 Lisp_Object frame, parameter;
2459 struct frame *f;
2460 Lisp_Object value;
2462 if (NILP (frame))
2463 frame = selected_frame;
2464 else
2465 CHECK_FRAME (frame);
2466 CHECK_SYMBOL (parameter);
2468 f = XFRAME (frame);
2469 value = Qnil;
2471 if (FRAME_LIVE_P (f))
2473 /* Avoid consing in frequent cases. */
2474 if (EQ (parameter, Qname))
2475 value = f->name;
2476 #ifdef HAVE_X_WINDOWS
2477 else if (EQ (parameter, Qdisplay) && FRAME_X_P (f))
2478 value = XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element);
2479 #endif /* HAVE_X_WINDOWS */
2480 else if (EQ (parameter, Qbackground_color)
2481 || EQ (parameter, Qforeground_color))
2483 value = Fassq (parameter, f->param_alist);
2484 if (CONSP (value))
2486 value = XCDR (value);
2487 /* Fframe_parameters puts the actual fg/bg color names,
2488 even if f->param_alist says otherwise. This is
2489 important when param_alist's notion of colors is
2490 "unspecified". We need to do the same here. */
2491 if (STRINGP (value) && !FRAME_WINDOW_P (f))
2493 const char *color_name;
2494 EMACS_INT csz;
2496 if (EQ (parameter, Qbackground_color))
2498 color_name = SDATA (value);
2499 csz = SCHARS (value);
2500 if (strncmp (color_name, unspecified_bg, csz) == 0)
2501 value = tty_color_name (f, FRAME_BACKGROUND_PIXEL (f));
2502 else if (strncmp (color_name, unspecified_fg, csz) == 0)
2503 value = tty_color_name (f, FRAME_FOREGROUND_PIXEL (f));
2505 else if (EQ (parameter, Qforeground_color))
2507 color_name = SDATA (value);
2508 csz = SCHARS (value);
2509 if (strncmp (color_name, unspecified_fg, csz) == 0)
2510 value = tty_color_name (f, FRAME_FOREGROUND_PIXEL (f));
2511 else if (strncmp (color_name, unspecified_bg, csz) == 0)
2512 value = tty_color_name (f, FRAME_BACKGROUND_PIXEL (f));
2516 else
2517 value = Fcdr (Fassq (parameter, Fframe_parameters (frame)));
2519 else if (EQ (parameter, Qdisplay_type)
2520 || EQ (parameter, Qbackground_mode))
2521 value = Fcdr (Fassq (parameter, f->param_alist));
2522 else
2523 value = Fcdr (Fassq (parameter, Fframe_parameters (frame)));
2526 return value;
2530 DEFUN ("modify-frame-parameters", Fmodify_frame_parameters,
2531 Smodify_frame_parameters, 2, 2, 0,
2532 doc: /* Modify the parameters of frame FRAME according to ALIST.
2533 If FRAME is nil, it defaults to the selected frame.
2534 ALIST is an alist of parameters to change and their new values.
2535 Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.
2536 The meaningful PARMs depend on the kind of frame.
2537 Undefined PARMs are ignored, but stored in the frame's parameter list
2538 so that `frame-parameters' will return them.
2540 The value of frame parameter FOO can also be accessed
2541 as a frame-local binding for the variable FOO, if you have
2542 enabled such bindings for that variable with `make-variable-frame-local'.
2543 Note that this functionality is obsolete as of Emacs 22.2, and its
2544 use is not recommended. Explicitly check for a frame-parameter instead. */)
2545 (frame, alist)
2546 Lisp_Object frame, alist;
2548 FRAME_PTR f;
2549 register Lisp_Object tail, prop, val;
2551 if (EQ (frame, Qnil))
2552 frame = selected_frame;
2553 CHECK_LIVE_FRAME (frame);
2554 f = XFRAME (frame);
2556 /* I think this should be done with a hook. */
2557 #ifdef HAVE_WINDOW_SYSTEM
2558 if (FRAME_WINDOW_P (f))
2559 x_set_frame_parameters (f, alist);
2560 else
2561 #endif
2562 #ifdef MSDOS
2563 if (FRAME_MSDOS_P (f))
2564 IT_set_frame_parameters (f, alist);
2565 else
2566 #endif
2569 int length = XINT (Flength (alist));
2570 int i;
2571 Lisp_Object *parms
2572 = (Lisp_Object *) alloca (length * sizeof (Lisp_Object));
2573 Lisp_Object *values
2574 = (Lisp_Object *) alloca (length * sizeof (Lisp_Object));
2576 /* Extract parm names and values into those vectors. */
2578 i = 0;
2579 for (tail = alist; CONSP (tail); tail = XCDR (tail))
2581 Lisp_Object elt;
2583 elt = XCAR (tail);
2584 parms[i] = Fcar (elt);
2585 values[i] = Fcdr (elt);
2586 i++;
2589 /* Now process them in reverse of specified order. */
2590 for (i--; i >= 0; i--)
2592 prop = parms[i];
2593 val = values[i];
2594 store_frame_param (f, prop, val);
2596 /* Changing the background color might change the background
2597 mode, so that we have to load new defface specs.
2598 Call frame-set-background-mode to do that. */
2599 if (EQ (prop, Qbackground_color))
2600 call1 (Qframe_set_background_mode, frame);
2603 return Qnil;
2606 DEFUN ("frame-char-height", Fframe_char_height, Sframe_char_height,
2607 0, 1, 0,
2608 doc: /* Height in pixels of a line in the font in frame FRAME.
2609 If FRAME is omitted, the selected frame is used.
2610 For a terminal frame, the value is always 1. */)
2611 (frame)
2612 Lisp_Object frame;
2614 struct frame *f;
2616 if (NILP (frame))
2617 frame = selected_frame;
2618 CHECK_FRAME (frame);
2619 f = XFRAME (frame);
2621 #ifdef HAVE_WINDOW_SYSTEM
2622 if (FRAME_WINDOW_P (f))
2623 return make_number (x_char_height (f));
2624 else
2625 #endif
2626 return make_number (1);
2630 DEFUN ("frame-char-width", Fframe_char_width, Sframe_char_width,
2631 0, 1, 0,
2632 doc: /* Width in pixels of characters in the font in frame FRAME.
2633 If FRAME is omitted, the selected frame is used.
2634 On a graphical screen, the width is the standard width of the default font.
2635 For a terminal screen, the value is always 1. */)
2636 (frame)
2637 Lisp_Object frame;
2639 struct frame *f;
2641 if (NILP (frame))
2642 frame = selected_frame;
2643 CHECK_FRAME (frame);
2644 f = XFRAME (frame);
2646 #ifdef HAVE_WINDOW_SYSTEM
2647 if (FRAME_WINDOW_P (f))
2648 return make_number (x_char_width (f));
2649 else
2650 #endif
2651 return make_number (1);
2654 DEFUN ("frame-pixel-height", Fframe_pixel_height,
2655 Sframe_pixel_height, 0, 1, 0,
2656 doc: /* Return a FRAME's height in pixels.
2657 If FRAME is omitted, the selected frame is used. The exact value
2658 of the result depends on the window-system and toolkit in use:
2660 In the Gtk+ version of Emacs, it includes only any window (including
2661 the minibuffer or eacho area), mode line, and header line. It does not
2662 include the tool bar or menu bar.
2664 With the Motif or Lucid toolkits, it also includes the tool bar (but
2665 not the menu bar).
2667 In a graphical version with no toolkit, it includes both the tool bar
2668 and menu bar.
2670 For a text-only terminal, it includes the menu bar. In this case, the
2671 result is really in characters rather than pixels (i.e., is identical
2672 to `frame-height'). */)
2673 (frame)
2674 Lisp_Object frame;
2676 struct frame *f;
2678 if (NILP (frame))
2679 frame = selected_frame;
2680 CHECK_FRAME (frame);
2681 f = XFRAME (frame);
2683 #ifdef HAVE_WINDOW_SYSTEM
2684 if (FRAME_WINDOW_P (f))
2685 return make_number (x_pixel_height (f));
2686 else
2687 #endif
2688 return make_number (FRAME_LINES (f));
2691 DEFUN ("frame-pixel-width", Fframe_pixel_width,
2692 Sframe_pixel_width, 0, 1, 0,
2693 doc: /* Return FRAME's width in pixels.
2694 For a terminal frame, the result really gives the width in characters.
2695 If FRAME is omitted, the selected frame is used. */)
2696 (frame)
2697 Lisp_Object frame;
2699 struct frame *f;
2701 if (NILP (frame))
2702 frame = selected_frame;
2703 CHECK_FRAME (frame);
2704 f = XFRAME (frame);
2706 #ifdef HAVE_WINDOW_SYSTEM
2707 if (FRAME_WINDOW_P (f))
2708 return make_number (x_pixel_width (f));
2709 else
2710 #endif
2711 return make_number (FRAME_COLS (f));
2714 DEFUN ("set-frame-height", Fset_frame_height, Sset_frame_height, 2, 3, 0,
2715 doc: /* Specify that the frame FRAME has LINES lines.
2716 Optional third arg non-nil means that redisplay should use LINES lines
2717 but that the idea of the actual height of the frame should not be changed. */)
2718 (frame, lines, pretend)
2719 Lisp_Object frame, lines, pretend;
2721 register struct frame *f;
2723 CHECK_NUMBER (lines);
2724 if (NILP (frame))
2725 frame = selected_frame;
2726 CHECK_LIVE_FRAME (frame);
2727 f = XFRAME (frame);
2729 /* I think this should be done with a hook. */
2730 #ifdef HAVE_WINDOW_SYSTEM
2731 if (FRAME_WINDOW_P (f))
2733 if (XINT (lines) != FRAME_LINES (f))
2734 x_set_window_size (f, 1, FRAME_COLS (f), XINT (lines));
2735 do_pending_window_change (0);
2737 else
2738 #endif
2739 change_frame_size (f, XINT (lines), 0, !NILP (pretend), 0, 0);
2740 return Qnil;
2743 DEFUN ("set-frame-width", Fset_frame_width, Sset_frame_width, 2, 3, 0,
2744 doc: /* Specify that the frame FRAME has COLS columns.
2745 Optional third arg non-nil means that redisplay should use COLS columns
2746 but that the idea of the actual width of the frame should not be changed. */)
2747 (frame, cols, pretend)
2748 Lisp_Object frame, cols, pretend;
2750 register struct frame *f;
2751 CHECK_NUMBER (cols);
2752 if (NILP (frame))
2753 frame = selected_frame;
2754 CHECK_LIVE_FRAME (frame);
2755 f = XFRAME (frame);
2757 /* I think this should be done with a hook. */
2758 #ifdef HAVE_WINDOW_SYSTEM
2759 if (FRAME_WINDOW_P (f))
2761 if (XINT (cols) != FRAME_COLS (f))
2762 x_set_window_size (f, 1, XINT (cols), FRAME_LINES (f));
2763 do_pending_window_change (0);
2765 else
2766 #endif
2767 change_frame_size (f, 0, XINT (cols), !NILP (pretend), 0, 0);
2768 return Qnil;
2771 DEFUN ("set-frame-size", Fset_frame_size, Sset_frame_size, 3, 3, 0,
2772 doc: /* Sets size of FRAME to COLS by ROWS, measured in characters. */)
2773 (frame, cols, rows)
2774 Lisp_Object frame, cols, rows;
2776 register struct frame *f;
2778 CHECK_LIVE_FRAME (frame);
2779 CHECK_NUMBER (cols);
2780 CHECK_NUMBER (rows);
2781 f = XFRAME (frame);
2783 /* I think this should be done with a hook. */
2784 #ifdef HAVE_WINDOW_SYSTEM
2785 if (FRAME_WINDOW_P (f))
2787 if (XINT (rows) != FRAME_LINES (f)
2788 || XINT (cols) != FRAME_COLS (f)
2789 || f->new_text_lines || f->new_text_cols)
2790 x_set_window_size (f, 1, XINT (cols), XINT (rows));
2791 do_pending_window_change (0);
2793 else
2794 #endif
2795 change_frame_size (f, XINT (rows), XINT (cols), 0, 0, 0);
2797 return Qnil;
2800 DEFUN ("set-frame-position", Fset_frame_position,
2801 Sset_frame_position, 3, 3, 0,
2802 doc: /* Sets position of FRAME in pixels to XOFFSET by YOFFSET.
2803 This is actually the position of the upper left corner of the frame.
2804 Negative values for XOFFSET or YOFFSET are interpreted relative to
2805 the rightmost or bottommost possible position (that stays within the screen). */)
2806 (frame, xoffset, yoffset)
2807 Lisp_Object frame, xoffset, yoffset;
2809 register struct frame *f;
2811 CHECK_LIVE_FRAME (frame);
2812 CHECK_NUMBER (xoffset);
2813 CHECK_NUMBER (yoffset);
2814 f = XFRAME (frame);
2816 /* I think this should be done with a hook. */
2817 #ifdef HAVE_WINDOW_SYSTEM
2818 if (FRAME_WINDOW_P (f))
2819 x_set_offset (f, XINT (xoffset), XINT (yoffset), 1);
2820 #endif
2822 return Qt;
2826 /***********************************************************************
2827 Frame Parameters
2828 ***********************************************************************/
2830 /* Connect the frame-parameter names for X frames
2831 to the ways of passing the parameter values to the window system.
2833 The name of a parameter, as a Lisp symbol,
2834 has an `x-frame-parameter' property which is an integer in Lisp
2835 that is an index in this table. */
2837 struct frame_parm_table {
2838 char *name;
2839 Lisp_Object *variable;
2842 static struct frame_parm_table frame_parms[] =
2844 {"auto-raise", &Qauto_raise},
2845 {"auto-lower", &Qauto_lower},
2846 {"background-color", 0},
2847 {"border-color", &Qborder_color},
2848 {"border-width", &Qborder_width},
2849 {"cursor-color", &Qcursor_color},
2850 {"cursor-type", &Qcursor_type},
2851 {"font", 0},
2852 {"foreground-color", 0},
2853 {"icon-name", &Qicon_name},
2854 {"icon-type", &Qicon_type},
2855 {"internal-border-width", &Qinternal_border_width},
2856 {"menu-bar-lines", &Qmenu_bar_lines},
2857 {"mouse-color", &Qmouse_color},
2858 {"name", &Qname},
2859 {"scroll-bar-width", &Qscroll_bar_width},
2860 {"title", &Qtitle},
2861 {"unsplittable", &Qunsplittable},
2862 {"vertical-scroll-bars", &Qvertical_scroll_bars},
2863 {"visibility", &Qvisibility},
2864 {"tool-bar-lines", &Qtool_bar_lines},
2865 {"scroll-bar-foreground", &Qscroll_bar_foreground},
2866 {"scroll-bar-background", &Qscroll_bar_background},
2867 {"screen-gamma", &Qscreen_gamma},
2868 {"line-spacing", &Qline_spacing},
2869 {"left-fringe", &Qleft_fringe},
2870 {"right-fringe", &Qright_fringe},
2871 {"wait-for-wm", &Qwait_for_wm},
2872 {"fullscreen", &Qfullscreen},
2873 {"font-backend", &Qfont_backend},
2874 {"alpha", &Qalpha},
2875 {"sticky", &Qsticky},
2878 #ifdef HAVE_WINDOW_SYSTEM
2880 extern Lisp_Object Qbox;
2881 extern Lisp_Object Qtop;
2883 /* Calculate fullscreen size. Return in *TOP_POS and *LEFT_POS the
2884 wanted positions of the WM window (not Emacs window).
2885 Return in *WIDTH and *HEIGHT the wanted width and height of Emacs
2886 window (FRAME_X_WINDOW).
2889 void
2890 x_fullscreen_adjust (f, width, height, top_pos, left_pos)
2891 struct frame *f;
2892 int *width;
2893 int *height;
2894 int *top_pos;
2895 int *left_pos;
2897 int newwidth = FRAME_COLS (f);
2898 int newheight = FRAME_LINES (f);
2899 Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
2901 *top_pos = f->top_pos;
2902 *left_pos = f->left_pos;
2904 if (f->want_fullscreen & FULLSCREEN_HEIGHT)
2906 int ph;
2908 ph = x_display_pixel_height (dpyinfo);
2909 newheight = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, ph);
2910 ph = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, newheight) - f->y_pixels_diff;
2911 newheight = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, ph);
2912 *top_pos = 0;
2915 if (f->want_fullscreen & FULLSCREEN_WIDTH)
2917 int pw;
2919 pw = x_display_pixel_width (dpyinfo);
2920 newwidth = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pw);
2921 pw = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, newwidth) - f->x_pixels_diff;
2922 newwidth = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pw);
2923 *left_pos = 0;
2926 *width = newwidth;
2927 *height = newheight;
2931 /* Change the parameters of frame F as specified by ALIST.
2932 If a parameter is not specially recognized, do nothing special;
2933 otherwise call the `x_set_...' function for that parameter.
2934 Except for certain geometry properties, always call store_frame_param
2935 to store the new value in the parameter alist. */
2937 void
2938 x_set_frame_parameters (f, alist)
2939 FRAME_PTR f;
2940 Lisp_Object alist;
2942 Lisp_Object tail;
2944 /* If both of these parameters are present, it's more efficient to
2945 set them both at once. So we wait until we've looked at the
2946 entire list before we set them. */
2947 int width, height;
2949 /* Same here. */
2950 Lisp_Object left, top;
2952 /* Same with these. */
2953 Lisp_Object icon_left, icon_top;
2955 /* Record in these vectors all the parms specified. */
2956 Lisp_Object *parms;
2957 Lisp_Object *values;
2958 int i, p;
2959 int left_no_change = 0, top_no_change = 0;
2960 int icon_left_no_change = 0, icon_top_no_change = 0;
2961 int size_changed = 0;
2962 struct gcpro gcpro1, gcpro2;
2964 i = 0;
2965 for (tail = alist; CONSP (tail); tail = Fcdr (tail))
2966 i++;
2968 parms = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
2969 values = (Lisp_Object *) alloca (i * sizeof (Lisp_Object));
2971 /* Extract parm names and values into those vectors. */
2973 i = 0;
2974 for (tail = alist; CONSP (tail); tail = XCDR (tail))
2976 Lisp_Object elt;
2978 elt = XCAR (tail);
2979 parms[i] = Fcar (elt);
2980 values[i] = Fcdr (elt);
2981 i++;
2983 /* TAIL and ALIST are not used again below here. */
2984 alist = tail = Qnil;
2986 GCPRO2 (*parms, *values);
2987 gcpro1.nvars = i;
2988 gcpro2.nvars = i;
2990 /* There is no need to gcpro LEFT, TOP, ICON_LEFT, or ICON_TOP,
2991 because their values appear in VALUES and strings are not valid. */
2992 top = left = Qunbound;
2993 icon_left = icon_top = Qunbound;
2995 /* Provide default values for HEIGHT and WIDTH. */
2996 width = (f->new_text_cols ? f->new_text_cols : FRAME_COLS (f));
2997 height = (f->new_text_lines ? f->new_text_lines : FRAME_LINES (f));
2999 /* Process foreground_color and background_color before anything else.
3000 They are independent of other properties, but other properties (e.g.,
3001 cursor_color) are dependent upon them. */
3002 /* Process default font as well, since fringe widths depends on it. */
3003 for (p = 0; p < i; p++)
3005 Lisp_Object prop, val;
3007 prop = parms[p];
3008 val = values[p];
3009 if (EQ (prop, Qforeground_color)
3010 || EQ (prop, Qbackground_color)
3011 || EQ (prop, Qfont))
3013 register Lisp_Object param_index, old_value;
3015 old_value = get_frame_param (f, prop);
3016 if (NILP (Fequal (val, old_value)))
3018 store_frame_param (f, prop, val);
3020 param_index = Fget (prop, Qx_frame_parameter);
3021 if (NATNUMP (param_index)
3022 && (XFASTINT (param_index)
3023 < sizeof (frame_parms)/sizeof (frame_parms[0]))
3024 && FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])
3025 (*(FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])) (f, val, old_value);
3030 /* Now process them in reverse of specified order. */
3031 for (i--; i >= 0; i--)
3033 Lisp_Object prop, val;
3035 prop = parms[i];
3036 val = values[i];
3038 if (EQ (prop, Qwidth) && NATNUMP (val))
3040 size_changed = 1;
3041 width = XFASTINT (val);
3043 else if (EQ (prop, Qheight) && NATNUMP (val))
3045 size_changed = 1;
3046 height = XFASTINT (val);
3048 else if (EQ (prop, Qtop))
3049 top = val;
3050 else if (EQ (prop, Qleft))
3051 left = val;
3052 else if (EQ (prop, Qicon_top))
3053 icon_top = val;
3054 else if (EQ (prop, Qicon_left))
3055 icon_left = val;
3056 else if (EQ (prop, Qforeground_color)
3057 || EQ (prop, Qbackground_color)
3058 || EQ (prop, Qfont))
3059 /* Processed above. */
3060 continue;
3061 else
3063 register Lisp_Object param_index, old_value;
3065 old_value = get_frame_param (f, prop);
3067 store_frame_param (f, prop, val);
3069 param_index = Fget (prop, Qx_frame_parameter);
3070 if (NATNUMP (param_index)
3071 && (XFASTINT (param_index)
3072 < sizeof (frame_parms)/sizeof (frame_parms[0]))
3073 && FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])
3074 (*(FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])) (f, val, old_value);
3078 /* Don't die if just one of these was set. */
3079 if (EQ (left, Qunbound))
3081 left_no_change = 1;
3082 if (f->left_pos < 0)
3083 left = Fcons (Qplus, Fcons (make_number (f->left_pos), Qnil));
3084 else
3085 XSETINT (left, f->left_pos);
3087 if (EQ (top, Qunbound))
3089 top_no_change = 1;
3090 if (f->top_pos < 0)
3091 top = Fcons (Qplus, Fcons (make_number (f->top_pos), Qnil));
3092 else
3093 XSETINT (top, f->top_pos);
3096 /* If one of the icon positions was not set, preserve or default it. */
3097 if (EQ (icon_left, Qunbound) || ! INTEGERP (icon_left))
3099 icon_left_no_change = 1;
3100 icon_left = Fcdr (Fassq (Qicon_left, f->param_alist));
3101 if (NILP (icon_left))
3102 XSETINT (icon_left, 0);
3104 if (EQ (icon_top, Qunbound) || ! INTEGERP (icon_top))
3106 icon_top_no_change = 1;
3107 icon_top = Fcdr (Fassq (Qicon_top, f->param_alist));
3108 if (NILP (icon_top))
3109 XSETINT (icon_top, 0);
3112 /* Don't set these parameters unless they've been explicitly
3113 specified. The window might be mapped or resized while we're in
3114 this function, and we don't want to override that unless the lisp
3115 code has asked for it.
3117 Don't set these parameters unless they actually differ from the
3118 window's current parameters; the window may not actually exist
3119 yet. */
3121 Lisp_Object frame;
3123 check_frame_size (f, &height, &width);
3125 XSETFRAME (frame, f);
3127 if (size_changed
3128 && (width != FRAME_COLS (f)
3129 || height != FRAME_LINES (f)
3130 || f->new_text_lines || f->new_text_cols))
3131 Fset_frame_size (frame, make_number (width), make_number (height));
3133 if ((!NILP (left) || !NILP (top))
3134 && ! (left_no_change && top_no_change)
3135 && ! (NUMBERP (left) && XINT (left) == f->left_pos
3136 && NUMBERP (top) && XINT (top) == f->top_pos))
3138 int leftpos = 0;
3139 int toppos = 0;
3141 /* Record the signs. */
3142 f->size_hint_flags &= ~ (XNegative | YNegative);
3143 if (EQ (left, Qminus))
3144 f->size_hint_flags |= XNegative;
3145 else if (INTEGERP (left))
3147 leftpos = XINT (left);
3148 if (leftpos < 0)
3149 f->size_hint_flags |= XNegative;
3151 else if (CONSP (left) && EQ (XCAR (left), Qminus)
3152 && CONSP (XCDR (left))
3153 && INTEGERP (XCAR (XCDR (left))))
3155 leftpos = - XINT (XCAR (XCDR (left)));
3156 f->size_hint_flags |= XNegative;
3158 else if (CONSP (left) && EQ (XCAR (left), Qplus)
3159 && CONSP (XCDR (left))
3160 && INTEGERP (XCAR (XCDR (left))))
3162 leftpos = XINT (XCAR (XCDR (left)));
3165 if (EQ (top, Qminus))
3166 f->size_hint_flags |= YNegative;
3167 else if (INTEGERP (top))
3169 toppos = XINT (top);
3170 if (toppos < 0)
3171 f->size_hint_flags |= YNegative;
3173 else if (CONSP (top) && EQ (XCAR (top), Qminus)
3174 && CONSP (XCDR (top))
3175 && INTEGERP (XCAR (XCDR (top))))
3177 toppos = - XINT (XCAR (XCDR (top)));
3178 f->size_hint_flags |= YNegative;
3180 else if (CONSP (top) && EQ (XCAR (top), Qplus)
3181 && CONSP (XCDR (top))
3182 && INTEGERP (XCAR (XCDR (top))))
3184 toppos = XINT (XCAR (XCDR (top)));
3188 /* Store the numeric value of the position. */
3189 f->top_pos = toppos;
3190 f->left_pos = leftpos;
3192 f->win_gravity = NorthWestGravity;
3194 /* Actually set that position, and convert to absolute. */
3195 x_set_offset (f, leftpos, toppos, -1);
3198 if ((!NILP (icon_left) || !NILP (icon_top))
3199 && ! (icon_left_no_change && icon_top_no_change))
3200 x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
3203 UNGCPRO;
3207 /* Insert a description of internally-recorded parameters of frame X
3208 into the parameter alist *ALISTPTR that is to be given to the user.
3209 Only parameters that are specific to the X window system
3210 and whose values are not correctly recorded in the frame's
3211 param_alist need to be considered here. */
3213 void
3214 x_report_frame_params (f, alistptr)
3215 struct frame *f;
3216 Lisp_Object *alistptr;
3218 char buf[16];
3219 Lisp_Object tem;
3221 /* Represent negative positions (off the top or left screen edge)
3222 in a way that Fmodify_frame_parameters will understand correctly. */
3223 XSETINT (tem, f->left_pos);
3224 if (f->left_pos >= 0)
3225 store_in_alist (alistptr, Qleft, tem);
3226 else
3227 store_in_alist (alistptr, Qleft, Fcons (Qplus, Fcons (tem, Qnil)));
3229 XSETINT (tem, f->top_pos);
3230 if (f->top_pos >= 0)
3231 store_in_alist (alistptr, Qtop, tem);
3232 else
3233 store_in_alist (alistptr, Qtop, Fcons (Qplus, Fcons (tem, Qnil)));
3235 store_in_alist (alistptr, Qborder_width,
3236 make_number (f->border_width));
3237 store_in_alist (alistptr, Qinternal_border_width,
3238 make_number (FRAME_INTERNAL_BORDER_WIDTH (f)));
3239 store_in_alist (alistptr, Qleft_fringe,
3240 make_number (FRAME_LEFT_FRINGE_WIDTH (f)));
3241 store_in_alist (alistptr, Qright_fringe,
3242 make_number (FRAME_RIGHT_FRINGE_WIDTH (f)));
3243 store_in_alist (alistptr, Qscroll_bar_width,
3244 (! FRAME_HAS_VERTICAL_SCROLL_BARS (f)
3245 ? make_number (0)
3246 : FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0
3247 ? make_number (FRAME_CONFIG_SCROLL_BAR_WIDTH (f))
3248 /* nil means "use default width"
3249 for non-toolkit scroll bar.
3250 ruler-mode.el depends on this. */
3251 : Qnil));
3252 sprintf (buf, "%ld", (long) FRAME_X_WINDOW (f));
3253 store_in_alist (alistptr, Qwindow_id,
3254 build_string (buf));
3255 #ifdef HAVE_X_WINDOWS
3256 #ifdef USE_X_TOOLKIT
3257 /* Tooltip frame may not have this widget. */
3258 if (FRAME_X_OUTPUT (f)->widget)
3259 #endif
3260 sprintf (buf, "%ld", (long) FRAME_OUTER_WINDOW (f));
3261 store_in_alist (alistptr, Qouter_window_id,
3262 build_string (buf));
3263 #endif
3264 store_in_alist (alistptr, Qicon_name, f->icon_name);
3265 FRAME_SAMPLE_VISIBILITY (f);
3266 store_in_alist (alistptr, Qvisibility,
3267 (FRAME_VISIBLE_P (f) ? Qt
3268 : FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
3269 store_in_alist (alistptr, Qdisplay,
3270 XCAR (FRAME_X_DISPLAY_INFO (f)->name_list_element));
3272 if (FRAME_X_OUTPUT (f)->parent_desc == FRAME_X_DISPLAY_INFO (f)->root_window)
3273 tem = Qnil;
3274 else
3275 XSETFASTINT (tem, FRAME_X_OUTPUT (f)->parent_desc);
3276 store_in_alist (alistptr, Qexplicit_name, (f->explicit_name ? Qt : Qnil));
3277 store_in_alist (alistptr, Qparent_id, tem);
3281 /* Change the `fullscreen' frame parameter of frame F. OLD_VALUE is
3282 the previous value of that parameter, NEW_VALUE is the new value. */
3284 void
3285 x_set_fullscreen (f, new_value, old_value)
3286 struct frame *f;
3287 Lisp_Object new_value, old_value;
3289 if (NILP (new_value))
3290 f->want_fullscreen = FULLSCREEN_NONE;
3291 else if (EQ (new_value, Qfullboth) || EQ (new_value, Qfullscreen))
3292 f->want_fullscreen = FULLSCREEN_BOTH;
3293 else if (EQ (new_value, Qfullwidth))
3294 f->want_fullscreen = FULLSCREEN_WIDTH;
3295 else if (EQ (new_value, Qfullheight))
3296 f->want_fullscreen = FULLSCREEN_HEIGHT;
3297 else if (EQ (new_value, Qmaximized))
3298 f->want_fullscreen = FULLSCREEN_MAXIMIZED;
3300 if (FRAME_TERMINAL (f)->fullscreen_hook != NULL)
3301 FRAME_TERMINAL (f)->fullscreen_hook (f);
3305 /* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is
3306 the previous value of that parameter, NEW_VALUE is the new value. */
3308 void
3309 x_set_line_spacing (f, new_value, old_value)
3310 struct frame *f;
3311 Lisp_Object new_value, old_value;
3313 if (NILP (new_value))
3314 f->extra_line_spacing = 0;
3315 else if (NATNUMP (new_value))
3316 f->extra_line_spacing = XFASTINT (new_value);
3317 else
3318 signal_error ("Invalid line-spacing", new_value);
3319 if (FRAME_VISIBLE_P (f))
3320 redraw_frame (f);
3324 /* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is
3325 the previous value of that parameter, NEW_VALUE is the new value. */
3327 void
3328 x_set_screen_gamma (f, new_value, old_value)
3329 struct frame *f;
3330 Lisp_Object new_value, old_value;
3332 Lisp_Object bgcolor;
3334 if (NILP (new_value))
3335 f->gamma = 0;
3336 else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0)
3337 /* The value 0.4545 is the normal viewing gamma. */
3338 f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value));
3339 else
3340 signal_error ("Invalid screen-gamma", new_value);
3342 /* Apply the new gamma value to the frame background. */
3343 bgcolor = Fassq (Qbackground_color, f->param_alist);
3344 if (CONSP (bgcolor) && (bgcolor = XCDR (bgcolor), STRINGP (bgcolor)))
3346 Lisp_Object index = Fget (Qbackground_color, Qx_frame_parameter);
3347 if (NATNUMP (index)
3348 && (XFASTINT (index)
3349 < sizeof (frame_parms)/sizeof (frame_parms[0]))
3350 && FRAME_RIF (f)->frame_parm_handlers[XFASTINT (index)])
3351 (*FRAME_RIF (f)->frame_parm_handlers[XFASTINT (index)])
3352 (f, bgcolor, Qnil);
3355 Fclear_face_cache (Qnil);
3359 void
3360 x_set_font (f, arg, oldval)
3361 struct frame *f;
3362 Lisp_Object arg, oldval;
3364 Lisp_Object frame, font_object, font_param = Qnil;
3365 int fontset = -1;
3367 /* Set the frame parameter back to the old value because we may
3368 fail to use ARG as the new parameter value. */
3369 store_frame_param (f, Qfont, oldval);
3371 /* ARG is a fontset name, a font name, a cons of fontset name and a
3372 font object, or a font object. In the last case, this function
3373 never fail. */
3374 if (STRINGP (arg))
3376 font_param = arg;
3377 fontset = fs_query_fontset (arg, 0);
3378 if (fontset < 0)
3380 font_object = font_open_by_name (f, SDATA (arg));
3381 if (NILP (font_object))
3382 error ("Font `%s' is not defined", SDATA (arg));
3383 arg = AREF (font_object, FONT_NAME_INDEX);
3385 else if (fontset > 0)
3387 Lisp_Object ascii_font = fontset_ascii (fontset);
3389 font_object = font_open_by_name (f, SDATA (ascii_font));
3390 if (NILP (font_object))
3391 error ("Font `%s' is not defined", SDATA (arg));
3392 arg = AREF (font_object, FONT_NAME_INDEX);
3394 else
3395 error ("The default fontset can't be used for a frame font");
3397 else if (CONSP (arg) && STRINGP (XCAR (arg)) && FONT_OBJECT_P (XCDR (arg)))
3399 /* This is the case that the ASCII font of F's fontset XCAR
3400 (arg) is changed to the font XCDR (arg) by
3401 `set-fontset-font'. */
3402 fontset = fs_query_fontset (XCAR (arg), 0);
3403 if (fontset < 0)
3404 error ("Unknown fontset: %s", SDATA (XCAR (arg)));
3405 font_object = XCDR (arg);
3406 arg = AREF (font_object, FONT_NAME_INDEX);
3407 font_param = Ffont_get (font_object, QCname);
3409 else if (FONT_OBJECT_P (arg))
3411 font_object = arg;
3412 font_param = Ffont_get (font_object, QCname);
3413 /* This is to store the XLFD font name in the frame parameter for
3414 backward compatibility. We should store the font-object
3415 itself in the future. */
3416 arg = AREF (font_object, FONT_NAME_INDEX);
3417 fontset = FRAME_FONTSET (f);
3418 /* Check if we can use the current fontset. If not, set FONTSET
3419 to -1 to generate a new fontset from FONT-OBJECT. */
3420 if (fontset >= 0)
3422 Lisp_Object ascii_font = fontset_ascii (fontset);
3423 Lisp_Object spec = font_spec_from_name (ascii_font);
3425 if (! font_match_p (spec, font_object))
3426 fontset = -1;
3429 else
3430 signal_error ("Invalid font", arg);
3432 if (! NILP (Fequal (font_object, oldval)))
3433 return;
3435 x_new_font (f, font_object, fontset);
3436 store_frame_param (f, Qfont, arg);
3437 #ifdef HAVE_X_WINDOWS
3438 store_frame_param (f, Qfont_param, font_param);
3439 #endif
3440 /* Recalculate toolbar height. */
3441 f->n_tool_bar_rows = 0;
3442 /* Ensure we redraw it. */
3443 clear_current_matrices (f);
3445 recompute_basic_faces (f);
3447 do_pending_window_change (0);
3449 /* We used to call face-set-after-frame-default here, but it leads to
3450 recursive calls (since that function can set the `default' face's
3451 font which in turns changes the frame's `font' parameter).
3452 Also I don't know what this call is meant to do, but it seems the
3453 wrong way to do it anyway (it does a lot more work than what seems
3454 reasonable in response to a change to `font'). */
3458 void
3459 x_set_font_backend (f, new_value, old_value)
3460 struct frame *f;
3461 Lisp_Object new_value, old_value;
3463 if (! NILP (new_value)
3464 && !CONSP (new_value))
3466 char *p0, *p1;
3468 CHECK_STRING (new_value);
3469 p0 = p1 = SDATA (new_value);
3470 new_value = Qnil;
3471 while (*p0)
3473 while (*p1 && ! isspace (*p1) && *p1 != ',') p1++;
3474 if (p0 < p1)
3475 new_value = Fcons (Fintern (make_string (p0, p1 - p0), Qnil),
3476 new_value);
3477 if (*p1)
3479 int c;
3481 while ((c = *++p1) && isspace (c));
3483 p0 = p1;
3485 new_value = Fnreverse (new_value);
3488 if (! NILP (old_value) && ! NILP (Fequal (old_value, new_value)))
3489 return;
3491 if (FRAME_FONT (f))
3492 free_all_realized_faces (Qnil);
3494 new_value = font_update_drivers (f, NILP (new_value) ? Qt : new_value);
3495 if (NILP (new_value))
3497 if (NILP (old_value))
3498 error ("No font backend available");
3499 font_update_drivers (f, old_value);
3500 error ("None of specified font backends are available");
3502 store_frame_param (f, Qfont_backend, new_value);
3504 if (FRAME_FONT (f))
3506 Lisp_Object frame;
3508 XSETFRAME (frame, f);
3509 x_set_font (f, Fframe_parameter (frame, Qfont), Qnil);
3510 ++face_change_count;
3511 ++windows_or_buffers_changed;
3516 void
3517 x_set_fringe_width (f, new_value, old_value)
3518 struct frame *f;
3519 Lisp_Object new_value, old_value;
3521 compute_fringe_widths (f, 1);
3524 void
3525 x_set_border_width (f, arg, oldval)
3526 struct frame *f;
3527 Lisp_Object arg, oldval;
3529 CHECK_NUMBER (arg);
3531 if (XINT (arg) == f->border_width)
3532 return;
3534 if (FRAME_X_WINDOW (f) != 0)
3535 error ("Cannot change the border width of a frame");
3537 f->border_width = XINT (arg);
3540 void
3541 x_set_internal_border_width (f, arg, oldval)
3542 struct frame *f;
3543 Lisp_Object arg, oldval;
3545 int old = FRAME_INTERNAL_BORDER_WIDTH (f);
3547 CHECK_NUMBER (arg);
3548 FRAME_INTERNAL_BORDER_WIDTH (f) = XINT (arg);
3549 if (FRAME_INTERNAL_BORDER_WIDTH (f) < 0)
3550 FRAME_INTERNAL_BORDER_WIDTH (f) = 0;
3552 #ifdef USE_X_TOOLKIT
3553 if (FRAME_X_OUTPUT (f)->edit_widget)
3554 widget_store_internal_border (FRAME_X_OUTPUT (f)->edit_widget);
3555 #endif
3557 if (FRAME_INTERNAL_BORDER_WIDTH (f) == old)
3558 return;
3560 if (FRAME_X_WINDOW (f) != 0)
3562 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3563 SET_FRAME_GARBAGED (f);
3564 do_pending_window_change (0);
3566 else
3567 SET_FRAME_GARBAGED (f);
3570 void
3571 x_set_visibility (f, value, oldval)
3572 struct frame *f;
3573 Lisp_Object value, oldval;
3575 Lisp_Object frame;
3576 XSETFRAME (frame, f);
3578 if (NILP (value))
3579 Fmake_frame_invisible (frame, Qt);
3580 else if (EQ (value, Qicon))
3581 Ficonify_frame (frame);
3582 else
3583 Fmake_frame_visible (frame);
3586 void
3587 x_set_autoraise (f, arg, oldval)
3588 struct frame *f;
3589 Lisp_Object arg, oldval;
3591 f->auto_raise = !EQ (Qnil, arg);
3594 void
3595 x_set_autolower (f, arg, oldval)
3596 struct frame *f;
3597 Lisp_Object arg, oldval;
3599 f->auto_lower = !EQ (Qnil, arg);
3602 void
3603 x_set_unsplittable (f, arg, oldval)
3604 struct frame *f;
3605 Lisp_Object arg, oldval;
3607 f->no_split = !NILP (arg);
3610 void
3611 x_set_vertical_scroll_bars (f, arg, oldval)
3612 struct frame *f;
3613 Lisp_Object arg, oldval;
3615 if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f))
3616 || (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f))
3617 || (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f))
3618 || (!NILP (arg) && ! FRAME_HAS_VERTICAL_SCROLL_BARS (f)))
3620 FRAME_VERTICAL_SCROLL_BAR_TYPE (f)
3621 = (NILP (arg)
3622 ? vertical_scroll_bar_none
3623 : EQ (Qleft, arg)
3624 ? vertical_scroll_bar_left
3625 : EQ (Qright, arg)
3626 ? vertical_scroll_bar_right
3627 : EQ (Qleft, Vdefault_frame_scroll_bars)
3628 ? vertical_scroll_bar_left
3629 : EQ (Qright, Vdefault_frame_scroll_bars)
3630 ? vertical_scroll_bar_right
3631 : vertical_scroll_bar_none);
3633 /* We set this parameter before creating the X window for the
3634 frame, so we can get the geometry right from the start.
3635 However, if the window hasn't been created yet, we shouldn't
3636 call x_set_window_size. */
3637 if (FRAME_X_WINDOW (f))
3638 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3639 do_pending_window_change (0);
3643 void
3644 x_set_scroll_bar_width (f, arg, oldval)
3645 struct frame *f;
3646 Lisp_Object arg, oldval;
3648 int wid = FRAME_COLUMN_WIDTH (f);
3650 if (NILP (arg))
3652 x_set_scroll_bar_default_width (f);
3654 if (FRAME_X_WINDOW (f))
3655 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3656 do_pending_window_change (0);
3658 else if (INTEGERP (arg) && XINT (arg) > 0
3659 && XFASTINT (arg) != FRAME_CONFIG_SCROLL_BAR_WIDTH (f))
3661 if (XFASTINT (arg) <= 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM)
3662 XSETINT (arg, 2 * VERTICAL_SCROLL_BAR_WIDTH_TRIM + 1);
3664 FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = XFASTINT (arg);
3665 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + wid-1) / wid;
3666 if (FRAME_X_WINDOW (f))
3667 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
3668 do_pending_window_change (0);
3671 change_frame_size (f, 0, FRAME_COLS (f), 0, 0, 0);
3672 XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0;
3673 XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0;
3678 /* Return non-nil if frame F wants a bitmap icon. */
3680 Lisp_Object
3681 x_icon_type (f)
3682 FRAME_PTR f;
3684 Lisp_Object tem;
3686 tem = assq_no_quit (Qicon_type, f->param_alist);
3687 if (CONSP (tem))
3688 return XCDR (tem);
3689 else
3690 return Qnil;
3693 void
3694 x_set_alpha (f, arg, oldval)
3695 struct frame *f;
3696 Lisp_Object arg, oldval;
3698 double alpha = 1.0;
3699 double newval[2];
3700 int i, ialpha;
3701 Lisp_Object item;
3703 for (i = 0; i < 2; i++)
3705 newval[i] = 1.0;
3706 if (CONSP (arg))
3708 item = CAR (arg);
3709 arg = CDR (arg);
3711 else
3712 item = arg;
3714 if (NILP (item))
3715 alpha = - 1.0;
3716 else if (FLOATP (item))
3718 alpha = XFLOAT_DATA (item);
3719 if (alpha < 0.0 || 1.0 < alpha)
3720 args_out_of_range (make_float (0.0), make_float (1.0));
3722 else if (INTEGERP (item))
3724 ialpha = XINT (item);
3725 if (ialpha < 0 || 100 < ialpha)
3726 args_out_of_range (make_number (0), make_number (100));
3727 else
3728 alpha = ialpha / 100.0;
3730 else
3731 wrong_type_argument (Qnumberp, item);
3732 newval[i] = alpha;
3735 for (i = 0; i < 2; i++)
3736 f->alpha[i] = newval[i];
3738 #if defined (HAVE_X_WINDOWS) || defined (HAVE_NTGUI) || defined (NS_IMPL_COCOA)
3739 BLOCK_INPUT;
3740 x_set_frame_alpha (f);
3741 UNBLOCK_INPUT;
3742 #endif
3744 return;
3748 /* Subroutines of creating an X frame. */
3750 /* Make sure that Vx_resource_name is set to a reasonable value.
3751 Fix it up, or set it to `emacs' if it is too hopeless. */
3753 void
3754 validate_x_resource_name ()
3756 int len = 0;
3757 /* Number of valid characters in the resource name. */
3758 int good_count = 0;
3759 /* Number of invalid characters in the resource name. */
3760 int bad_count = 0;
3761 Lisp_Object new;
3762 int i;
3764 if (!STRINGP (Vx_resource_class))
3765 Vx_resource_class = build_string (EMACS_CLASS);
3767 if (STRINGP (Vx_resource_name))
3769 unsigned char *p = SDATA (Vx_resource_name);
3770 int i;
3772 len = SBYTES (Vx_resource_name);
3774 /* Only letters, digits, - and _ are valid in resource names.
3775 Count the valid characters and count the invalid ones. */
3776 for (i = 0; i < len; i++)
3778 int c = p[i];
3779 if (! ((c >= 'a' && c <= 'z')
3780 || (c >= 'A' && c <= 'Z')
3781 || (c >= '0' && c <= '9')
3782 || c == '-' || c == '_'))
3783 bad_count++;
3784 else
3785 good_count++;
3788 else
3789 /* Not a string => completely invalid. */
3790 bad_count = 5, good_count = 0;
3792 /* If name is valid already, return. */
3793 if (bad_count == 0)
3794 return;
3796 /* If name is entirely invalid, or nearly so, use `emacs'. */
3797 if (good_count == 0
3798 || (good_count == 1 && bad_count > 0))
3800 Vx_resource_name = build_string ("emacs");
3801 return;
3804 /* Name is partly valid. Copy it and replace the invalid characters
3805 with underscores. */
3807 Vx_resource_name = new = Fcopy_sequence (Vx_resource_name);
3809 for (i = 0; i < len; i++)
3811 int c = SREF (new, i);
3812 if (! ((c >= 'a' && c <= 'z')
3813 || (c >= 'A' && c <= 'Z')
3814 || (c >= '0' && c <= '9')
3815 || c == '-' || c == '_'))
3816 SSET (new, i, '_');
3821 extern char *x_get_string_resource P_ ((XrmDatabase, char *, char *));
3822 extern Display_Info *check_x_display_info P_ ((Lisp_Object));
3825 /* Get specified attribute from resource database RDB.
3826 See Fx_get_resource below for other parameters. */
3828 static Lisp_Object
3829 xrdb_get_resource (rdb, attribute, class, component, subclass)
3830 XrmDatabase rdb;
3831 Lisp_Object attribute, class, component, subclass;
3833 register char *value;
3834 char *name_key;
3835 char *class_key;
3837 CHECK_STRING (attribute);
3838 CHECK_STRING (class);
3840 if (!NILP (component))
3841 CHECK_STRING (component);
3842 if (!NILP (subclass))
3843 CHECK_STRING (subclass);
3844 if (NILP (component) != NILP (subclass))
3845 error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither");
3847 validate_x_resource_name ();
3849 /* Allocate space for the components, the dots which separate them,
3850 and the final '\0'. Make them big enough for the worst case. */
3851 name_key = (char *) alloca (SBYTES (Vx_resource_name)
3852 + (STRINGP (component)
3853 ? SBYTES (component) : 0)
3854 + SBYTES (attribute)
3855 + 3);
3857 class_key = (char *) alloca (SBYTES (Vx_resource_class)
3858 + SBYTES (class)
3859 + (STRINGP (subclass)
3860 ? SBYTES (subclass) : 0)
3861 + 3);
3863 /* Start with emacs.FRAMENAME for the name (the specific one)
3864 and with `Emacs' for the class key (the general one). */
3865 strcpy (name_key, SDATA (Vx_resource_name));
3866 strcpy (class_key, SDATA (Vx_resource_class));
3868 strcat (class_key, ".");
3869 strcat (class_key, SDATA (class));
3871 if (!NILP (component))
3873 strcat (class_key, ".");
3874 strcat (class_key, SDATA (subclass));
3876 strcat (name_key, ".");
3877 strcat (name_key, SDATA (component));
3880 strcat (name_key, ".");
3881 strcat (name_key, SDATA (attribute));
3883 value = x_get_string_resource (rdb, name_key, class_key);
3885 if (value != (char *) 0 && *value)
3886 return build_string (value);
3887 else
3888 return Qnil;
3892 DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0,
3893 doc: /* Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.
3894 This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the
3895 class, where INSTANCE is the name under which Emacs was invoked, or
3896 the name specified by the `-name' or `-rn' command-line arguments.
3898 The optional arguments COMPONENT and SUBCLASS add to the key and the
3899 class, respectively. You must specify both of them or neither.
3900 If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'
3901 and the class is `Emacs.CLASS.SUBCLASS'. */)
3902 (attribute, class, component, subclass)
3903 Lisp_Object attribute, class, component, subclass;
3905 #ifdef HAVE_X_WINDOWS
3906 check_x ();
3907 #endif
3909 return xrdb_get_resource (check_x_display_info (Qnil)->xrdb,
3910 attribute, class, component, subclass);
3913 /* Get an X resource, like Fx_get_resource, but for display DPYINFO. */
3915 Lisp_Object
3916 display_x_get_resource (dpyinfo, attribute, class, component, subclass)
3917 Display_Info *dpyinfo;
3918 Lisp_Object attribute, class, component, subclass;
3920 return xrdb_get_resource (dpyinfo->xrdb,
3921 attribute, class, component, subclass);
3924 #if defined HAVE_X_WINDOWS && !defined USE_X_TOOLKIT
3925 /* Used when C code wants a resource value. */
3926 /* Called from oldXMenu/Create.c. */
3927 char *
3928 x_get_resource_string (attribute, class)
3929 char *attribute, *class;
3931 char *name_key;
3932 char *class_key;
3933 struct frame *sf = SELECTED_FRAME ();
3935 /* Allocate space for the components, the dots which separate them,
3936 and the final '\0'. */
3937 name_key = (char *) alloca (SBYTES (Vinvocation_name)
3938 + strlen (attribute) + 2);
3939 class_key = (char *) alloca ((sizeof (EMACS_CLASS) - 1)
3940 + strlen (class) + 2);
3942 sprintf (name_key, "%s.%s", SDATA (Vinvocation_name), attribute);
3943 sprintf (class_key, "%s.%s", EMACS_CLASS, class);
3945 return x_get_string_resource (FRAME_X_DISPLAY_INFO (sf)->xrdb,
3946 name_key, class_key);
3948 #endif
3950 /* Return the value of parameter PARAM.
3952 First search ALIST, then Vdefault_frame_alist, then the X defaults
3953 database, using ATTRIBUTE as the attribute name and CLASS as its class.
3955 Convert the resource to the type specified by desired_type.
3957 If no default is specified, return Qunbound. If you call
3958 x_get_arg, make sure you deal with Qunbound in a reasonable way,
3959 and don't let it get stored in any Lisp-visible variables! */
3961 Lisp_Object
3962 x_get_arg (dpyinfo, alist, param, attribute, class, type)
3963 Display_Info *dpyinfo;
3964 Lisp_Object alist, param;
3965 char *attribute;
3966 char *class;
3967 enum resource_types type;
3969 register Lisp_Object tem;
3971 tem = Fassq (param, alist);
3973 if (!NILP (tem))
3975 /* If we find this parm in ALIST, clear it out
3976 so that it won't be "left over" at the end. */
3977 Lisp_Object tail;
3978 XSETCAR (tem, Qnil);
3979 /* In case the parameter appears more than once in the alist,
3980 clear it out. */
3981 for (tail = alist; CONSP (tail); tail = XCDR (tail))
3982 if (CONSP (XCAR (tail))
3983 && EQ (XCAR (XCAR (tail)), param))
3984 XSETCAR (XCAR (tail), Qnil);
3986 else
3987 tem = Fassq (param, Vdefault_frame_alist);
3989 /* If it wasn't specified in ALIST or the Lisp-level defaults,
3990 look in the X resources. */
3991 if (EQ (tem, Qnil))
3993 if (attribute && dpyinfo)
3995 tem = display_x_get_resource (dpyinfo,
3996 build_string (attribute),
3997 build_string (class),
3998 Qnil, Qnil);
4000 if (NILP (tem))
4001 return Qunbound;
4003 switch (type)
4005 case RES_TYPE_NUMBER:
4006 return make_number (atoi (SDATA (tem)));
4008 case RES_TYPE_BOOLEAN_NUMBER:
4009 if (!strcmp (SDATA (tem), "on")
4010 || !strcmp (SDATA (tem), "true"))
4011 return make_number (1);
4012 return make_number (atoi (SDATA (tem)));
4013 break;
4015 case RES_TYPE_FLOAT:
4016 return make_float (atof (SDATA (tem)));
4018 case RES_TYPE_BOOLEAN:
4019 tem = Fdowncase (tem);
4020 if (!strcmp (SDATA (tem), "on")
4021 #ifdef HAVE_NS
4022 || !strcmp(SDATA(tem), "yes")
4023 #endif
4024 || !strcmp (SDATA (tem), "true"))
4025 return Qt;
4026 else
4027 return Qnil;
4029 case RES_TYPE_STRING:
4030 return tem;
4032 case RES_TYPE_SYMBOL:
4033 /* As a special case, we map the values `true' and `on'
4034 to Qt, and `false' and `off' to Qnil. */
4036 Lisp_Object lower;
4037 lower = Fdowncase (tem);
4038 if (!strcmp (SDATA (lower), "on")
4039 #ifdef HAVE_NS
4040 || !strcmp(SDATA(lower), "yes")
4041 #endif
4042 || !strcmp (SDATA (lower), "true"))
4043 return Qt;
4044 else if (!strcmp (SDATA (lower), "off")
4045 #ifdef HAVE_NS
4046 || !strcmp(SDATA(lower), "no")
4047 #endif
4048 || !strcmp (SDATA (lower), "false"))
4049 return Qnil;
4050 else
4051 return Fintern (tem, Qnil);
4054 default:
4055 abort ();
4058 else
4059 return Qunbound;
4061 return Fcdr (tem);
4064 Lisp_Object
4065 x_frame_get_arg (f, alist, param, attribute, class, type)
4066 struct frame *f;
4067 Lisp_Object alist, param;
4068 char *attribute;
4069 char *class;
4070 enum resource_types type;
4072 return x_get_arg (FRAME_X_DISPLAY_INFO (f),
4073 alist, param, attribute, class, type);
4076 /* Like x_frame_get_arg, but also record the value in f->param_alist. */
4078 Lisp_Object
4079 x_frame_get_and_record_arg (f, alist, param, attribute, class, type)
4080 struct frame *f;
4081 Lisp_Object alist, param;
4082 char *attribute;
4083 char *class;
4084 enum resource_types type;
4086 Lisp_Object value;
4088 value = x_get_arg (FRAME_X_DISPLAY_INFO (f), alist, param,
4089 attribute, class, type);
4090 if (! NILP (value) && ! EQ (value, Qunbound))
4091 store_frame_param (f, param, value);
4093 return value;
4097 /* Record in frame F the specified or default value according to ALIST
4098 of the parameter named PROP (a Lisp symbol).
4099 If no value is specified for PROP, look for an X default for XPROP
4100 on the frame named NAME.
4101 If that is not found either, use the value DEFLT. */
4103 Lisp_Object
4104 x_default_parameter (f, alist, prop, deflt, xprop, xclass, type)
4105 struct frame *f;
4106 Lisp_Object alist;
4107 Lisp_Object prop;
4108 Lisp_Object deflt;
4109 char *xprop;
4110 char *xclass;
4111 enum resource_types type;
4113 Lisp_Object tem;
4115 tem = x_frame_get_arg (f, alist, prop, xprop, xclass, type);
4116 if (EQ (tem, Qunbound))
4117 tem = deflt;
4118 x_set_frame_parameters (f, Fcons (Fcons (prop, tem), Qnil));
4119 return tem;
4125 /* NS used to define x-parse-geometry in ns-win.el, but that confused
4126 make-docfile: the documentation string in ns-win.el was used for
4127 x-parse-geometry even in non-NS builds.
4129 With two definitions of x-parse-geometry in this file, various
4130 things still get confused (eg M-x apropos documentation), so that
4131 it is best if the two definitions just share the same doc-string.
4133 DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0,
4134 doc: /* Parse a display geometry string STRING.
4135 Returns an alist of the form ((top . TOP), (left . LEFT) ... ).
4136 The properties returned may include `top', `left', `height', and `width'.
4137 For X, the value of `left' or `top' may be an integer,
4138 or a list (+ N) meaning N pixels relative to top/left corner,
4139 or a list (- N) meaning -N pixels relative to bottom/right corner.
4140 On Nextstep, this just calls `ns-parse-geometry'. */)
4141 (string)
4142 Lisp_Object string;
4144 #ifdef HAVE_NS
4145 call1 (Qns_parse_geometry, string);
4146 #else
4147 int geometry, x, y;
4148 unsigned int width, height;
4149 Lisp_Object result;
4151 CHECK_STRING (string);
4153 geometry = XParseGeometry ((char *) SDATA (string),
4154 &x, &y, &width, &height);
4155 result = Qnil;
4156 if (geometry & XValue)
4158 Lisp_Object element;
4160 if (x >= 0 && (geometry & XNegative))
4161 element = Fcons (Qleft, Fcons (Qminus, Fcons (make_number (-x), Qnil)));
4162 else if (x < 0 && ! (geometry & XNegative))
4163 element = Fcons (Qleft, Fcons (Qplus, Fcons (make_number (x), Qnil)));
4164 else
4165 element = Fcons (Qleft, make_number (x));
4166 result = Fcons (element, result);
4169 if (geometry & YValue)
4171 Lisp_Object element;
4173 if (y >= 0 && (geometry & YNegative))
4174 element = Fcons (Qtop, Fcons (Qminus, Fcons (make_number (-y), Qnil)));
4175 else if (y < 0 && ! (geometry & YNegative))
4176 element = Fcons (Qtop, Fcons (Qplus, Fcons (make_number (y), Qnil)));
4177 else
4178 element = Fcons (Qtop, make_number (y));
4179 result = Fcons (element, result);
4182 if (geometry & WidthValue)
4183 result = Fcons (Fcons (Qwidth, make_number (width)), result);
4184 if (geometry & HeightValue)
4185 result = Fcons (Fcons (Qheight, make_number (height)), result);
4187 return result;
4188 #endif /* HAVE_NS */
4192 /* Calculate the desired size and position of frame F.
4193 Return the flags saying which aspects were specified.
4195 Also set the win_gravity and size_hint_flags of F.
4197 Adjust height for toolbar if TOOLBAR_P is 1.
4199 This function does not make the coordinates positive. */
4201 #define DEFAULT_ROWS 35
4202 #define DEFAULT_COLS 80
4205 x_figure_window_size (f, parms, toolbar_p)
4206 struct frame *f;
4207 Lisp_Object parms;
4208 int toolbar_p;
4210 register Lisp_Object tem0, tem1, tem2;
4211 long window_prompting = 0;
4212 Display_Info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
4214 /* Default values if we fall through.
4215 Actually, if that happens we should get
4216 window manager prompting. */
4217 SET_FRAME_COLS (f, DEFAULT_COLS);
4218 FRAME_LINES (f) = DEFAULT_ROWS;
4219 /* Window managers expect that if program-specified
4220 positions are not (0,0), they're intentional, not defaults. */
4221 f->top_pos = 0;
4222 f->left_pos = 0;
4224 /* Ensure that old new_text_cols and new_text_lines will not override the
4225 values set here. */
4226 /* ++KFS: This was specific to W32, but seems ok for all platforms */
4227 f->new_text_cols = f->new_text_lines = 0;
4229 tem0 = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER);
4230 tem1 = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
4231 tem2 = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER);
4232 if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
4234 if (!EQ (tem0, Qunbound))
4236 CHECK_NUMBER (tem0);
4237 FRAME_LINES (f) = XINT (tem0);
4239 if (!EQ (tem1, Qunbound))
4241 CHECK_NUMBER (tem1);
4242 SET_FRAME_COLS (f, XINT (tem1));
4244 if (!NILP (tem2) && !EQ (tem2, Qunbound))
4245 window_prompting |= USSize;
4246 else
4247 window_prompting |= PSize;
4250 f->scroll_bar_actual_width
4251 = FRAME_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f);
4253 /* This used to be done _before_ calling x_figure_window_size, but
4254 since the height is reset here, this was really a no-op. I
4255 assume that moving it here does what Gerd intended (although he
4256 no longer can remember what that was... ++KFS, 2003-03-25. */
4258 /* Add the tool-bar height to the initial frame height so that the
4259 user gets a text display area of the size he specified with -g or
4260 via .Xdefaults. Later changes of the tool-bar height don't
4261 change the frame size. This is done so that users can create
4262 tall Emacs frames without having to guess how tall the tool-bar
4263 will get. */
4264 if (toolbar_p && FRAME_TOOL_BAR_LINES (f))
4266 int margin, relief, bar_height;
4268 relief = (tool_bar_button_relief >= 0
4269 ? tool_bar_button_relief
4270 : DEFAULT_TOOL_BAR_BUTTON_RELIEF);
4272 if (INTEGERP (Vtool_bar_button_margin)
4273 && XINT (Vtool_bar_button_margin) > 0)
4274 margin = XFASTINT (Vtool_bar_button_margin);
4275 else if (CONSP (Vtool_bar_button_margin)
4276 && INTEGERP (XCDR (Vtool_bar_button_margin))
4277 && XINT (XCDR (Vtool_bar_button_margin)) > 0)
4278 margin = XFASTINT (XCDR (Vtool_bar_button_margin));
4279 else
4280 margin = 0;
4282 bar_height = DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief;
4283 FRAME_LINES (f) += (bar_height + FRAME_LINE_HEIGHT (f) - 1) / FRAME_LINE_HEIGHT (f);
4286 compute_fringe_widths (f, 0);
4288 FRAME_PIXEL_WIDTH (f) = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, FRAME_COLS (f));
4289 FRAME_PIXEL_HEIGHT (f) = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, FRAME_LINES (f));
4291 tem0 = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER);
4292 tem1 = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER);
4293 tem2 = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER);
4294 if (! EQ (tem0, Qunbound) || ! EQ (tem1, Qunbound))
4296 if (EQ (tem0, Qminus))
4298 f->top_pos = 0;
4299 window_prompting |= YNegative;
4301 else if (CONSP (tem0) && EQ (XCAR (tem0), Qminus)
4302 && CONSP (XCDR (tem0))
4303 && INTEGERP (XCAR (XCDR (tem0))))
4305 f->top_pos = - XINT (XCAR (XCDR (tem0)));
4306 window_prompting |= YNegative;
4308 else if (CONSP (tem0) && EQ (XCAR (tem0), Qplus)
4309 && CONSP (XCDR (tem0))
4310 && INTEGERP (XCAR (XCDR (tem0))))
4312 f->top_pos = XINT (XCAR (XCDR (tem0)));
4314 else if (EQ (tem0, Qunbound))
4315 f->top_pos = 0;
4316 else
4318 CHECK_NUMBER (tem0);
4319 f->top_pos = XINT (tem0);
4320 if (f->top_pos < 0)
4321 window_prompting |= YNegative;
4324 if (EQ (tem1, Qminus))
4326 f->left_pos = 0;
4327 window_prompting |= XNegative;
4329 else if (CONSP (tem1) && EQ (XCAR (tem1), Qminus)
4330 && CONSP (XCDR (tem1))
4331 && INTEGERP (XCAR (XCDR (tem1))))
4333 f->left_pos = - XINT (XCAR (XCDR (tem1)));
4334 window_prompting |= XNegative;
4336 else if (CONSP (tem1) && EQ (XCAR (tem1), Qplus)
4337 && CONSP (XCDR (tem1))
4338 && INTEGERP (XCAR (XCDR (tem1))))
4340 f->left_pos = XINT (XCAR (XCDR (tem1)));
4342 else if (EQ (tem1, Qunbound))
4343 f->left_pos = 0;
4344 else
4346 CHECK_NUMBER (tem1);
4347 f->left_pos = XINT (tem1);
4348 if (f->left_pos < 0)
4349 window_prompting |= XNegative;
4352 if (!NILP (tem2) && ! EQ (tem2, Qunbound))
4353 window_prompting |= USPosition;
4354 else
4355 window_prompting |= PPosition;
4358 if (window_prompting & XNegative)
4360 if (window_prompting & YNegative)
4361 f->win_gravity = SouthEastGravity;
4362 else
4363 f->win_gravity = NorthEastGravity;
4365 else
4367 if (window_prompting & YNegative)
4368 f->win_gravity = SouthWestGravity;
4369 else
4370 f->win_gravity = NorthWestGravity;
4373 f->size_hint_flags = window_prompting;
4375 return window_prompting;
4380 #endif /* HAVE_WINDOW_SYSTEM */
4382 void
4383 frame_make_pointer_invisible ()
4385 if (! NILP (Vmake_pointer_invisible))
4387 struct frame *f;
4388 if (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame)))
4389 return;
4391 f = SELECTED_FRAME ();
4392 if (f && !f->pointer_invisible
4393 && FRAME_TERMINAL (f)->toggle_invisible_pointer_hook)
4395 f->mouse_moved = 0;
4396 FRAME_TERMINAL (f)->toggle_invisible_pointer_hook (f, 1);
4397 f->pointer_invisible = 1;
4402 void
4403 frame_make_pointer_visible ()
4405 /* We don't check Vmake_pointer_invisible here in case the
4406 pointer was invisible when Vmake_pointer_invisible was set to nil. */
4407 struct frame *f;
4409 if (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame)))
4410 return;
4412 f = SELECTED_FRAME ();
4413 if (f && f->pointer_invisible && f->mouse_moved
4414 && FRAME_TERMINAL (f)->toggle_invisible_pointer_hook)
4416 FRAME_TERMINAL (f)->toggle_invisible_pointer_hook (f, 0);
4417 f->pointer_invisible = 0;
4423 /***********************************************************************
4424 Initialization
4425 ***********************************************************************/
4427 void
4428 syms_of_frame ()
4430 Qframep = intern_c_string ("framep");
4431 staticpro (&Qframep);
4432 Qframe_live_p = intern_c_string ("frame-live-p");
4433 staticpro (&Qframe_live_p);
4434 Qexplicit_name = intern_c_string ("explicit-name");
4435 staticpro (&Qexplicit_name);
4436 Qheight = intern_c_string ("height");
4437 staticpro (&Qheight);
4438 Qicon = intern_c_string ("icon");
4439 staticpro (&Qicon);
4440 Qminibuffer = intern_c_string ("minibuffer");
4441 staticpro (&Qminibuffer);
4442 Qmodeline = intern_c_string ("modeline");
4443 staticpro (&Qmodeline);
4444 Qonly = intern_c_string ("only");
4445 staticpro (&Qonly);
4446 Qwidth = intern_c_string ("width");
4447 staticpro (&Qwidth);
4448 Qgeometry = intern_c_string ("geometry");
4449 staticpro (&Qgeometry);
4450 Qicon_left = intern_c_string ("icon-left");
4451 staticpro (&Qicon_left);
4452 Qicon_top = intern_c_string ("icon-top");
4453 staticpro (&Qicon_top);
4454 Qleft = intern_c_string ("left");
4455 staticpro (&Qleft);
4456 Qright = intern_c_string ("right");
4457 staticpro (&Qright);
4458 Quser_position = intern_c_string ("user-position");
4459 staticpro (&Quser_position);
4460 Quser_size = intern_c_string ("user-size");
4461 staticpro (&Quser_size);
4462 Qwindow_id = intern_c_string ("window-id");
4463 staticpro (&Qwindow_id);
4464 #ifdef HAVE_X_WINDOWS
4465 Qouter_window_id = intern_c_string ("outer-window-id");
4466 staticpro (&Qouter_window_id);
4467 #endif
4468 Qparent_id = intern_c_string ("parent-id");
4469 staticpro (&Qparent_id);
4470 Qx = intern_c_string ("x");
4471 staticpro (&Qx);
4472 Qw32 = intern_c_string ("w32");
4473 staticpro (&Qw32);
4474 Qpc = intern_c_string ("pc");
4475 staticpro (&Qpc);
4476 Qmac = intern_c_string ("mac");
4477 staticpro (&Qmac);
4478 Qns = intern_c_string ("ns");
4479 staticpro (&Qns);
4480 Qvisible = intern_c_string ("visible");
4481 staticpro (&Qvisible);
4482 Qbuffer_predicate = intern_c_string ("buffer-predicate");
4483 staticpro (&Qbuffer_predicate);
4484 Qbuffer_list = intern_c_string ("buffer-list");
4485 staticpro (&Qbuffer_list);
4486 Qburied_buffer_list = intern_c_string ("buried-buffer-list");
4487 staticpro (&Qburied_buffer_list);
4488 Qdisplay_type = intern_c_string ("display-type");
4489 staticpro (&Qdisplay_type);
4490 Qbackground_mode = intern_c_string ("background-mode");
4491 staticpro (&Qbackground_mode);
4492 Qnoelisp = intern_c_string ("noelisp");
4493 staticpro (&Qnoelisp);
4494 Qtty_color_mode = intern_c_string ("tty-color-mode");
4495 staticpro (&Qtty_color_mode);
4496 Qtty = intern_c_string ("tty");
4497 staticpro (&Qtty);
4498 Qtty_type = intern_c_string ("tty-type");
4499 staticpro (&Qtty_type);
4501 Qface_set_after_frame_default = intern_c_string ("face-set-after-frame-default");
4502 staticpro (&Qface_set_after_frame_default);
4504 Qfullwidth = intern_c_string ("fullwidth");
4505 staticpro (&Qfullwidth);
4506 Qfullheight = intern_c_string ("fullheight");
4507 staticpro (&Qfullheight);
4508 Qfullboth = intern_c_string ("fullboth");
4509 staticpro (&Qfullboth);
4510 Qmaximized = intern_c_string ("maximized");
4511 staticpro (&Qmaximized);
4512 Qx_resource_name = intern_c_string ("x-resource-name");
4513 staticpro (&Qx_resource_name);
4515 Qx_frame_parameter = intern_c_string ("x-frame-parameter");
4516 staticpro (&Qx_frame_parameter);
4518 Qterminal = intern_c_string ("terminal");
4519 staticpro (&Qterminal);
4520 Qterminal_live_p = intern_c_string ("terminal-live-p");
4521 staticpro (&Qterminal_live_p);
4523 #ifdef HAVE_NS
4524 Qns_parse_geometry = intern_c_string ("ns-parse-geometry");
4525 staticpro (&Qns_parse_geometry);
4526 #endif
4529 int i;
4531 for (i = 0; i < sizeof (frame_parms) / sizeof (frame_parms[0]); i++)
4533 Lisp_Object v = intern_c_string (frame_parms[i].name);
4534 if (frame_parms[i].variable)
4536 *frame_parms[i].variable = v;
4537 staticpro (frame_parms[i].variable);
4539 Fput (v, Qx_frame_parameter, make_number (i));
4543 #ifdef HAVE_WINDOW_SYSTEM
4544 DEFVAR_LISP ("x-resource-name", &Vx_resource_name,
4545 doc: /* The name Emacs uses to look up X resources.
4546 `x-get-resource' uses this as the first component of the instance name
4547 when requesting resource values.
4548 Emacs initially sets `x-resource-name' to the name under which Emacs
4549 was invoked, or to the value specified with the `-name' or `-rn'
4550 switches, if present.
4552 It may be useful to bind this variable locally around a call
4553 to `x-get-resource'. See also the variable `x-resource-class'. */);
4554 Vx_resource_name = Qnil;
4556 DEFVAR_LISP ("x-resource-class", &Vx_resource_class,
4557 doc: /* The class Emacs uses to look up X resources.
4558 `x-get-resource' uses this as the first component of the instance class
4559 when requesting resource values.
4561 Emacs initially sets `x-resource-class' to "Emacs".
4563 Setting this variable permanently is not a reasonable thing to do,
4564 but binding this variable locally around a call to `x-get-resource'
4565 is a reasonable practice. See also the variable `x-resource-name'. */);
4566 Vx_resource_class = build_string (EMACS_CLASS);
4568 DEFVAR_LISP ("frame-alpha-lower-limit", &Vframe_alpha_lower_limit,
4569 doc: /* The lower limit of the frame opacity (alpha transparency).
4570 The value should range from 0 (invisible) to 100 (completely opaque).
4571 You can also use a floating number between 0.0 and 1.0.
4572 The default is 20. */);
4573 Vframe_alpha_lower_limit = make_number (20);
4574 #endif
4576 DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist,
4577 doc: /* Alist of default values for frame creation.
4578 These may be set in your init file, like this:
4579 (setq default-frame-alist '((width . 80) (height . 55) (menu-bar-lines . 1)))
4580 These override values given in window system configuration data,
4581 including X Windows' defaults database.
4582 For values specific to the first Emacs frame, see `initial-frame-alist'.
4583 For window-system specific values, see `window-system-default-frame-alist'.
4584 For values specific to the separate minibuffer frame, see
4585 `minibuffer-frame-alist'.
4586 The `menu-bar-lines' element of the list controls whether new frames
4587 have menu bars; `menu-bar-mode' works by altering this element.
4588 Setting this variable does not affect existing frames, only new ones. */);
4589 Vdefault_frame_alist = Qnil;
4591 DEFVAR_LISP ("default-frame-scroll-bars", &Vdefault_frame_scroll_bars,
4592 doc: /* Default position of scroll bars on this window-system. */);
4593 #ifdef HAVE_WINDOW_SYSTEM
4594 #if defined(HAVE_NTGUI) || defined(NS_IMPL_COCOA) || (defined(USE_GTK) && defined(USE_TOOLKIT_SCROLL_BARS))
4595 /* MS-Windows, Mac OS X, and GTK have scroll bars on the right by
4596 default. */
4597 Vdefault_frame_scroll_bars = Qright;
4598 #else
4599 Vdefault_frame_scroll_bars = Qleft;
4600 #endif
4601 #else
4602 Vdefault_frame_scroll_bars = Qnil;
4603 #endif
4605 DEFVAR_LISP ("terminal-frame", &Vterminal_frame,
4606 doc: /* The initial frame-object, which represents Emacs's stdout. */);
4608 DEFVAR_LISP ("mouse-position-function", &Vmouse_position_function,
4609 doc: /* If non-nil, function to transform normal value of `mouse-position'.
4610 `mouse-position' calls this function, passing its usual return value as
4611 argument, and returns whatever this function returns.
4612 This abnormal hook exists for the benefit of packages like `xt-mouse.el'
4613 which need to do mouse handling at the Lisp level. */);
4614 Vmouse_position_function = Qnil;
4616 DEFVAR_LISP ("mouse-highlight", &Vmouse_highlight,
4617 doc: /* If non-nil, clickable text is highlighted when mouse is over it.
4618 If the value is an integer, highlighting is only shown after moving the
4619 mouse, while keyboard input turns off the highlight even when the mouse
4620 is over the clickable text. However, the mouse shape still indicates
4621 when the mouse is over clickable text. */);
4622 Vmouse_highlight = Qt;
4624 DEFVAR_LISP ("make-pointer-invisible", &Vmake_pointer_invisible,
4625 doc: /* If non-nil, make pointer invisible while typing.
4626 The pointer becomes visible again when the mouse is moved. */);
4627 Vmake_pointer_invisible = Qt;
4629 DEFVAR_LISP ("delete-frame-functions", &Vdelete_frame_functions,
4630 doc: /* Functions to be run before deleting a frame.
4631 The functions are run with one arg, the frame to be deleted.
4632 See `delete-frame'.
4634 Note that functions in this list may be called just before the frame is
4635 actually deleted, or some time later (or even both when an earlier function
4636 in `delete-frame-functions' (indirectly) calls `delete-frame'
4637 recursively). */);
4638 Vdelete_frame_functions = Qnil;
4639 Qdelete_frame_functions = intern_c_string ("delete-frame-functions");
4640 staticpro (&Qdelete_frame_functions);
4642 DEFVAR_KBOARD ("default-minibuffer-frame", Vdefault_minibuffer_frame,
4643 doc: /* Minibufferless frames use this frame's minibuffer.
4645 Emacs cannot create minibufferless frames unless this is set to an
4646 appropriate surrogate.
4648 Emacs consults this variable only when creating minibufferless
4649 frames; once the frame is created, it sticks with its assigned
4650 minibuffer, no matter what this variable is set to. This means that
4651 this variable doesn't necessarily say anything meaningful about the
4652 current set of frames, or where the minibuffer is currently being
4653 displayed.
4655 This variable is local to the current terminal and cannot be buffer-local. */);
4657 DEFVAR_BOOL ("focus-follows-mouse", &focus_follows_mouse,
4658 doc: /* Non-nil if window system changes focus when you move the mouse.
4659 You should set this variable to tell Emacs how your window manager
4660 handles focus, since there is no way in general for Emacs to find out
4661 automatically. See also `mouse-autoselect-window'. */);
4662 #ifdef HAVE_WINDOW_SYSTEM
4663 #if defined(HAVE_NTGUI) || defined(HAVE_NS)
4664 focus_follows_mouse = 0;
4665 #else
4666 focus_follows_mouse = 1;
4667 #endif
4668 #else
4669 focus_follows_mouse = 0;
4670 #endif
4672 staticpro (&Vframe_list);
4674 defsubr (&Sactive_minibuffer_window);
4675 defsubr (&Sframep);
4676 defsubr (&Sframe_live_p);
4677 defsubr (&Swindow_system);
4678 defsubr (&Smake_terminal_frame);
4679 defsubr (&Shandle_switch_frame);
4680 defsubr (&Sselect_frame);
4681 defsubr (&Sselected_frame);
4682 defsubr (&Swindow_frame);
4683 defsubr (&Sframe_root_window);
4684 defsubr (&Sframe_first_window);
4685 defsubr (&Sframe_selected_window);
4686 defsubr (&Sset_frame_selected_window);
4687 defsubr (&Sframe_list);
4688 defsubr (&Snext_frame);
4689 defsubr (&Sprevious_frame);
4690 defsubr (&Sdelete_frame);
4691 defsubr (&Smouse_position);
4692 defsubr (&Smouse_pixel_position);
4693 defsubr (&Sset_mouse_position);
4694 defsubr (&Sset_mouse_pixel_position);
4695 #if 0
4696 defsubr (&Sframe_configuration);
4697 defsubr (&Srestore_frame_configuration);
4698 #endif
4699 defsubr (&Smake_frame_visible);
4700 defsubr (&Smake_frame_invisible);
4701 defsubr (&Siconify_frame);
4702 defsubr (&Sframe_visible_p);
4703 defsubr (&Svisible_frame_list);
4704 defsubr (&Sraise_frame);
4705 defsubr (&Slower_frame);
4706 defsubr (&Sredirect_frame_focus);
4707 defsubr (&Sframe_focus);
4708 defsubr (&Sframe_parameters);
4709 defsubr (&Sframe_parameter);
4710 defsubr (&Smodify_frame_parameters);
4711 defsubr (&Sframe_char_height);
4712 defsubr (&Sframe_char_width);
4713 defsubr (&Sframe_pixel_height);
4714 defsubr (&Sframe_pixel_width);
4715 defsubr (&Sset_frame_height);
4716 defsubr (&Sset_frame_width);
4717 defsubr (&Sset_frame_size);
4718 defsubr (&Sset_frame_position);
4720 #ifdef HAVE_WINDOW_SYSTEM
4721 defsubr (&Sx_get_resource);
4722 defsubr (&Sx_parse_geometry);
4723 #endif
4727 /* arch-tag: 7dbf2c69-9aad-45f8-8296-db893d6dd039
4728 (do not change this comment) */