1 /* Generic frame functions.
2 Copyright (C) 1993 Free Software Foundation.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
30 #include "termhooks.h"
32 /* These help us bind and responding to switch-frame events. */
36 Lisp_Object Vemacs_iconified
;
37 Lisp_Object Vframe_list
;
38 Lisp_Object Vterminal_frame
;
39 Lisp_Object Vdefault_minibuffer_frame
;
40 Lisp_Object Vdefault_frame_alist
;
42 /* Evaluate this expression to rebuild the section of syms_of_frame
43 that initializes and staticpros the symbols declared below. Note
44 that Emacs 18 has a bug that keeps C-x C-e from being able to
45 evaluate this expression.
48 ;; Accumulate a list of the symbols we want to initialize from the
49 ;; declarations at the top of the file.
50 (goto-char (point-min))
51 (search-forward "/\*&&& symbols declared here &&&*\/\n")
53 (while (looking-at "Lisp_Object \\(Q[a-z_]+\\)")
55 (cons (buffer-substring (match-beginning 1) (match-end 1))
58 (setq symbol-list (nreverse symbol-list))
59 ;; Delete the section of syms_of_... where we initialize the symbols.
60 (search-forward "\n /\*&&& init symbols here &&&*\/\n")
61 (let ((start (point)))
62 (while (looking-at "^ Q")
64 (kill-region start (point)))
65 ;; Write a new symbol initialization section.
67 (insert (format " %s = intern (\"" (car symbol-list)))
68 (let ((start (point)))
69 (insert (substring (car symbol-list) 1))
70 (subst-char-in-region start (point) ?_ ?-))
71 (insert (format "\");\n staticpro (&%s);\n" (car symbol-list)))
72 (setq symbol-list (cdr symbol-list)))))
75 /*&&& symbols declared here &&&*/
77 Lisp_Object Qframe_live_p
;
80 Lisp_Object Qminibuffer
;
81 Lisp_Object Qmodeline
;
84 Lisp_Object Qunsplittable
;
85 Lisp_Object Qmenu_bar_lines
;
89 extern Lisp_Object Vminibuffer_list
;
90 extern Lisp_Object
get_minibuffer ();
92 DEFUN ("framep", Fframep
, Sframep
, 1, 1, 0,
93 "Return non-nil if OBJECT is a frame.\n\
94 Value is t for a termcap frame (a character-only terminal),\n\
95 `x' for an Emacs frame that is really an X window.\n\
96 Also see `live-frame-p'.")
100 if (XTYPE (object
) != Lisp_Frame
)
102 switch (XFRAME (object
)->output_method
)
106 case output_x_window
:
113 DEFUN ("frame-live-p", Fframe_live_p
, Sframe_live_p
, 1, 1, 0,
114 "Return non-nil if OBJECT is a frame which has not been deleted.\n\
115 Value is nil if OBJECT is not a live frame. If object is a live\n\
116 frame, the return value indicates what sort of output device it is\n\
117 displayed on. Value is t for a termcap frame (a character-only\n\
118 terminal), `x' for an Emacs frame being displayed in an X window.")
122 return ((FRAMEP (object
)
123 && FRAME_LIVE_P (XFRAME (object
)))
133 register struct frame
*f
;
134 register Lisp_Object root_window
;
135 register Lisp_Object mini_window
;
137 frame
= Fmake_vector (((sizeof (struct frame
) - (sizeof (Lisp_Vector
)
138 - sizeof (Lisp_Object
)))
139 / sizeof (Lisp_Object
)),
141 XSETTYPE (frame
, Lisp_Frame
);
146 f
->current_glyphs
= 0;
147 f
->desired_glyphs
= 0;
149 f
->async_visible
= 0;
150 f
->display
.nothing
= 0;
152 f
->async_iconified
= 0;
153 f
->wants_modeline
= 1;
158 f
->has_minibuffer
= mini_p
;
159 f
->focus_frame
= Qnil
;
160 f
->explicit_name
= 0;
161 f
->can_have_scroll_bars
= 0;
162 f
->has_vertical_scroll_bars
= 0;
163 f
->param_alist
= Qnil
;
164 f
->scroll_bars
= Qnil
;
165 f
->condemned_scroll_bars
= Qnil
;
166 f
->face_alist
= Qnil
;
168 root_window
= make_window ();
171 mini_window
= make_window ();
172 XWINDOW (root_window
)->next
= mini_window
;
173 XWINDOW (mini_window
)->prev
= root_window
;
174 XWINDOW (mini_window
)->mini_p
= Qt
;
175 XWINDOW (mini_window
)->frame
= frame
;
176 f
->minibuffer_window
= mini_window
;
181 XWINDOW (root_window
)->next
= Qnil
;
182 f
->minibuffer_window
= Qnil
;
185 XWINDOW (root_window
)->frame
= frame
;
188 just so that there is "something there."
189 Correct size will be set up later with change_frame_size. */
194 XFASTINT (XWINDOW (root_window
)->width
) = 10;
195 XFASTINT (XWINDOW (root_window
)->height
) = (mini_p
? 9 : 10);
199 XFASTINT (XWINDOW (mini_window
)->width
) = 10;
200 XFASTINT (XWINDOW (mini_window
)->top
) = 9;
201 XFASTINT (XWINDOW (mini_window
)->height
) = 1;
204 /* Choose a buffer for the frame's root window. */
208 XWINDOW (root_window
)->buffer
= Qt
;
209 buf
= Fcurrent_buffer ();
210 /* If buf is a 'hidden' buffer (i.e. one whose name starts with
211 a space), try to find another one. */
212 if (XSTRING (Fbuffer_name (buf
))->data
[0] == ' ')
213 buf
= Fother_buffer (buf
, Qnil
);
214 Fset_window_buffer (root_window
, buf
);
219 XWINDOW (mini_window
)->buffer
= Qt
;
220 Fset_window_buffer (mini_window
,
221 (NILP (Vminibuffer_list
)
223 : Fcar (Vminibuffer_list
)));
226 f
->root_window
= root_window
;
227 f
->selected_window
= root_window
;
228 /* Make sure this window seems more recently used than
229 a newly-created, never-selected window. */
230 XFASTINT (XWINDOW (f
->selected_window
)->use_time
) = ++window_select_count
;
232 Vframe_list
= Fcons (frame
, Vframe_list
);
237 /* Make a frame using a separate minibuffer window on another frame.
238 MINI_WINDOW is the minibuffer window to use. nil means use the
239 default (the global minibuffer). */
242 make_frame_without_minibuffer (mini_window
)
243 register Lisp_Object mini_window
;
245 register struct frame
*f
;
247 /* Choose the minibuffer window to use. */
248 if (NILP (mini_window
))
250 if (XTYPE (Vdefault_minibuffer_frame
) != Lisp_Frame
)
251 error ("default-minibuffer-frame must be set when creating minibufferless frames");
252 if (! FRAME_LIVE_P (XFRAME (Vdefault_minibuffer_frame
)))
253 error ("default-minibuffer-frame must be a live frame");
254 mini_window
= XFRAME (Vdefault_minibuffer_frame
)->minibuffer_window
;
258 CHECK_LIVE_WINDOW (mini_window
, 0);
261 /* Make a frame containing just a root window. */
264 /* Install the chosen minibuffer window, with proper buffer. */
265 f
->minibuffer_window
= mini_window
;
266 Fset_window_buffer (mini_window
,
267 (NILP (Vminibuffer_list
)
269 : Fcar (Vminibuffer_list
)));
273 /* Make a frame containing only a minibuffer window. */
276 make_minibuffer_frame ()
278 /* First make a frame containing just a root window, no minibuffer. */
280 register struct frame
*f
= make_frame (0);
281 register Lisp_Object mini_window
;
282 register Lisp_Object frame
;
284 XSET (frame
, Lisp_Frame
, f
);
289 f
->wants_modeline
= 0;
290 f
->has_minibuffer
= 1;
292 /* Now label the root window as also being the minibuffer.
293 Avoid infinite looping on the window chain by marking next pointer
296 mini_window
= f
->minibuffer_window
= f
->root_window
;
297 XWINDOW (mini_window
)->mini_p
= Qt
;
298 XWINDOW (mini_window
)->next
= Qnil
;
299 XWINDOW (mini_window
)->prev
= Qnil
;
300 XWINDOW (mini_window
)->frame
= frame
;
302 /* Put the proper buffer in that window. */
304 Fset_window_buffer (mini_window
,
305 (NILP (Vminibuffer_list
)
307 : Fcar (Vminibuffer_list
)));
311 /* Construct a frame that refers to the terminal (stdin and stdout). */
314 make_terminal_frame ()
316 register struct frame
*f
;
320 f
->name
= build_string ("terminal");
321 FRAME_SET_VISIBLE (f
, 1);
322 f
->display
.nothing
= 1; /* Nonzero means frame isn't deleted. */
323 XSET (Vterminal_frame
, Lisp_Frame
, f
);
327 DEFUN ("select-frame", Fselect_frame
, Sselect_frame
, 1, 2, "e",
328 "Select the frame FRAME.\n\
329 Subseqent editing commands apply to its selected window.\n\
330 The selection of FRAME lasts until the next time the user does\n\
331 something to select a different frame, or until the next time this\n\
332 function is called.")
334 Lisp_Object frame
, no_enter
;
336 return Fhandle_switch_frame (frame
, no_enter
);
340 DEFUN ("handle-switch-frame", Fhandle_switch_frame
, Shandle_switch_frame
, 1, 2, "e",
341 "Handle a switch-frame event EVENT.\n\
342 Switch-frame events is usually bound to this function.\n\
343 A switch-frame event tells Emacs that the window manager has requested\n\
344 that the user's events be directed to the frame mentioned in the event.\n\
345 This function selects the selected window of the frame of EVENT.\n\
347 If EVENT is frame object, handle it as if it were a switch-frame event\n\
350 Lisp_Object frame
, no_enter
;
352 /* If FRAME is a switch-frame event, extract the frame we should
355 && EQ (XCONS (frame
)->car
, Qswitch_frame
)
356 && CONSP (XCONS (frame
)->cdr
))
357 frame
= XCONS (XCONS (frame
)->cdr
)->car
;
359 CHECK_LIVE_FRAME (frame
, 0);
361 if (selected_frame
== XFRAME (frame
))
364 /* If a frame's focus has been redirected toward the currently
365 selected frame, we should change the redirection to point to the
366 newly selected frame. This means that if the focus is redirected
367 from a minibufferless frame to a surrogate minibuffer frame, we
368 can use `other-window' to switch between all the frames using
369 that minibuffer frame, and the focus redirection will follow us
374 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCONS (tail
)->cdr
)
378 if (XTYPE (XCONS (tail
)->car
) != Lisp_Frame
)
381 focus
= FRAME_FOCUS_FRAME (XFRAME (XCONS (tail
)->car
));
383 if (XTYPE (focus
) == Lisp_Frame
384 && XFRAME (focus
) == selected_frame
)
385 Fredirect_frame_focus (XCONS (tail
)->car
, frame
);
389 selected_frame
= XFRAME (frame
);
390 if (! FRAME_MINIBUF_ONLY_P (selected_frame
))
391 last_nonminibuf_frame
= selected_frame
;
393 Fselect_window (XFRAME (frame
)->selected_window
);
394 choose_minibuf_frame ();
396 /* We want to make sure that the next event generates a frame-switch
397 event to the appropriate frame. This seems kludgey to me, but
398 before you take it out, make sure that evaluating something like
399 (select-window (frame-root-window (new-frame))) doesn't end up
400 with your typing being interpreted in the new frame instead of
401 the one you're actually typing in. */
402 internal_last_event_frame
= Qnil
;
407 DEFUN ("selected-frame", Fselected_frame
, Sselected_frame
, 0, 0, 0,
408 "Return the frame that is now selected.")
412 XSET (tem
, Lisp_Frame
, selected_frame
);
416 DEFUN ("window-frame", Fwindow_frame
, Swindow_frame
, 1, 1, 0,
417 "Return the frame object that window WINDOW is on.")
421 CHECK_LIVE_WINDOW (window
, 0);
422 return XWINDOW (window
)->frame
;
425 DEFUN ("frame-root-window", Fframe_root_window
, Sframe_root_window
, 0, 1, 0,
426 "Returns the root-window of FRAME.\n\
427 If omitted, FRAME defaults to the currently selected frame.")
432 XSET (frame
, Lisp_Frame
, selected_frame
);
434 CHECK_LIVE_FRAME (frame
, 0);
436 return XFRAME (frame
)->root_window
;
439 DEFUN ("frame-selected-window", Fframe_selected_window
,
440 Sframe_selected_window
, 0, 1, 0,
441 "Return the selected window of frame object FRAME.\n\
442 If omitted, FRAME defaults to the currently selected frame.")
447 XSET (frame
, Lisp_Frame
, selected_frame
);
449 CHECK_LIVE_FRAME (frame
, 0);
451 return XFRAME (frame
)->selected_window
;
454 DEFUN ("frame-list", Fframe_list
, Sframe_list
,
456 "Return a list of all frames.")
459 return Fcopy_sequence (Vframe_list
);
462 /* Return the next frame in the frame list after FRAME.
463 If MINIBUF is nil, exclude minibuffer-only frames.
464 If MINIBUF is a window, include only frames using that window for
466 If MINIBUF is non-nil, and not a window, include all frames. */
468 next_frame (frame
, minibuf
)
475 /* There must always be at least one frame in Vframe_list. */
476 if (! CONSP (Vframe_list
))
479 /* If this frame is dead, it won't be in Vframe_list, and we'll loop
480 forever. Forestall that. */
481 CHECK_LIVE_FRAME (frame
, 0);
484 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCONS (tail
)->cdr
)
486 Lisp_Object f
= XCONS (tail
)->car
;
490 /* Decide whether this frame is eligible to be returned. */
492 /* If we've looped all the way around without finding any
493 eligible frames, return the original frame. */
497 /* Let minibuf decide if this frame is acceptable. */
500 if (! FRAME_MINIBUF_ONLY_P (XFRAME (f
)))
503 else if (XTYPE (minibuf
) == Lisp_Window
)
505 if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f
)), minibuf
))
517 /* Return the previous frame in the frame list before FRAME.
518 If MINIBUF is nil, exclude minibuffer-only frames.
519 If MINIBUF is a window, include only frames using that window for
521 If MINIBUF is non-nil and not a window, include all frames. */
523 prev_frame (frame
, minibuf
)
530 /* There must always be at least one frame in Vframe_list. */
531 if (! CONSP (Vframe_list
))
535 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCONS (tail
)->cdr
)
537 Lisp_Object f
= XCONS (tail
)->car
;
539 if (XTYPE (f
) != Lisp_Frame
)
542 if (EQ (frame
, f
) && !NILP (prev
))
545 /* Decide whether this frame is eligible to be returned,
546 according to minibuf. */
549 if (! FRAME_MINIBUF_ONLY_P (XFRAME (f
)))
552 else if (XTYPE (minibuf
) == Lisp_Window
)
554 if (EQ (FRAME_MINIBUF_WINDOW (XFRAME (f
)), minibuf
))
561 /* We've scanned the entire list. */
563 /* We went through the whole frame list without finding a single
564 acceptable frame. Return the original frame. */
567 /* There were no acceptable frames in the list before FRAME; otherwise,
568 we would have returned directly from the loop. Since PREV is the last
569 acceptable frame in the list, return it. */
573 DEFUN ("next-frame", Fnext_frame
, Snext_frame
, 0, 2, 0,
574 "Return the next frame in the frame list after FRAME.\n\
575 By default, skip minibuffer-only frames.\n\
576 If omitted, FRAME defaults to the selected frame.\n\
577 If optional argument MINIFRAME is non-nil, include minibuffer-only frames.\n\
578 If MINIFRAME is a window, include only frames using that window for their\n\
580 If MINIFRAME is non-nil and not a window, include all frames.")
582 Lisp_Object frame
, miniframe
;
587 XSET (frame
, Lisp_Frame
, selected_frame
);
589 CHECK_LIVE_FRAME (frame
, 0);
591 return next_frame (frame
, miniframe
);
595 DEFUN ("delete-frame", Fdelete_frame
, Sdelete_frame
, 0, 1, "",
596 "Delete FRAME, permanently eliminating it from use.\n\
597 If omitted, FRAME defaults to the selected frame.\n\
598 A frame may not be deleted if its minibuffer is used by other frames.")
604 if (EQ (frame
, Qnil
))
607 XSET (frame
, Lisp_Frame
, f
);
611 CHECK_FRAME (frame
, 0);
615 if (! FRAME_LIVE_P (f
))
618 /* Are there any other frames besides this one? */
619 if (f
== selected_frame
&& EQ (next_frame (frame
, Qt
), frame
))
620 error ("Attempt to delete the only frame");
622 /* Does this frame have a minibuffer, and is it the surrogate
623 minibuffer for any other frame? */
624 if (FRAME_HAS_MINIBUF_P (XFRAME (frame
)))
628 for (frames
= Vframe_list
;
630 frames
= XCONS (frames
)->cdr
)
632 Lisp_Object
this = XCONS (frames
)->car
;
634 if (! EQ (this, frame
)
638 (FRAME_MINIBUF_WINDOW
640 error ("Attempt to delete a surrogate minibuffer frame");
644 /* Don't let the frame remain selected. */
645 if (f
== selected_frame
)
646 Fhandle_switch_frame (next_frame (frame
, Qt
), Qnil
);
648 /* Don't allow minibuf_window to remain on a deleted frame. */
649 if (EQ (f
->minibuffer_window
, minibuf_window
))
651 Fset_window_buffer (selected_frame
->minibuffer_window
,
652 XWINDOW (minibuf_window
)->buffer
);
653 minibuf_window
= selected_frame
->minibuffer_window
;
656 /* Mark all the windows that used to be on FRAME as deleted, and then
657 remove the reference to them. */
658 delete_all_subwindows (XWINDOW (f
->root_window
));
659 f
->root_window
= Qnil
;
661 Vframe_list
= Fdelq (frame
, Vframe_list
);
662 FRAME_SET_VISIBLE (f
, 0);
664 /* Since some events are handled at the interrupt level, we may get
665 an event for f at any time; if we zero out the frame's display
666 now, then we may trip up the event-handling code. Instead, we'll
667 promise that the display of the frame must be valid until we have
668 called the window-system-dependent frame destruction routine. */
670 /* I think this should be done with a hook. */
671 #ifdef HAVE_X_WINDOWS
673 x_destroy_window (f
);
676 f
->display
.nothing
= 0;
678 /* If we've deleted the last_nonminibuf_frame, then try to find
680 if (f
== last_nonminibuf_frame
)
684 last_nonminibuf_frame
= 0;
686 for (frames
= Vframe_list
;
688 frames
= XCONS (frames
)->cdr
)
690 f
= XFRAME (XCONS (frames
)->car
);
691 if (!FRAME_MINIBUF_ONLY_P (f
))
693 last_nonminibuf_frame
= f
;
699 /* If we've deleted Vdefault_minibuffer_frame, try to find another
700 one. Prefer minibuffer-only frames, but also notice frames
701 with other windows. */
702 if (EQ (frame
, Vdefault_minibuffer_frame
))
706 /* The last frame we saw with a minibuffer, minibuffer-only or not. */
707 Lisp_Object frame_with_minibuf
= Qnil
;
709 for (frames
= Vframe_list
;
711 frames
= XCONS (frames
)->cdr
)
713 Lisp_Object
this = XCONS (frames
)->car
;
715 if (XTYPE (this) != Lisp_Frame
)
719 if (FRAME_HAS_MINIBUF_P (f
))
721 frame_with_minibuf
= this;
722 if (FRAME_MINIBUF_ONLY_P (f
))
727 /* We know that there must be some frame with a minibuffer out
728 there. If this were not true, all of the frames present
729 would have to be minibufferless, which implies that at some
730 point their minibuffer frames must have been deleted, but
731 that is prohibited at the top; you can't delete surrogate
732 minibuffer frames. */
733 if (NILP (frame_with_minibuf
))
736 Vdefault_minibuffer_frame
= frame_with_minibuf
;
742 /* Return mouse position in character cell units. */
744 DEFUN ("mouse-position", Fmouse_position
, Smouse_position
, 0, 0, 0,
745 "Return a list (FRAME X . Y) giving the current mouse frame and position.\n\
746 If Emacs is running on a mouseless terminal or hasn't been programmed\n\
747 to read the mouse position, it returns the selected frame for FRAME\n\
748 and nil for X and Y.")
752 Lisp_Object lispy_dummy
;
753 enum scroll_bar_part party_dummy
;
755 unsigned long long_dummy
;
757 if (mouse_position_hook
)
758 (*mouse_position_hook
) (&f
,
759 &lispy_dummy
, &party_dummy
,
768 XSET (lispy_dummy
, Lisp_Frame
, f
);
769 return Fcons (lispy_dummy
, Fcons (make_number (x
), make_number (y
)));
772 DEFUN ("set-mouse-position", Fset_mouse_position
, Sset_mouse_position
, 3, 3, 0,
773 "Move the mouse pointer to the center of cell (X,Y) in FRAME.\n\
774 WARNING: If you use this under X, you should do `unfocus-frame' afterwards.")
776 Lisp_Object frame
, x
, y
;
778 CHECK_LIVE_FRAME (frame
, 0);
782 /* I think this should be done with a hook. */
783 #ifdef HAVE_X_WINDOWS
784 if (FRAME_X_P (XFRAME (frame
)))
785 /* Warping the mouse will cause enternotify and focus events. */
786 x_set_mouse_position (XFRAME (frame
), x
, y
);
792 DEFUN ("make-frame-visible", Fmake_frame_visible
, Smake_frame_visible
,
794 "Make the frame FRAME visible (assuming it is an X-window).\n\
795 Also raises the frame so that nothing obscures it.\n\
796 If omitted, FRAME defaults to the currently selected frame.")
801 XSET (frame
, Lisp_Frame
, selected_frame
);
803 CHECK_LIVE_FRAME (frame
, 0);
805 /* I think this should be done with a hook. */
806 #ifdef HAVE_X_WINDOWS
807 if (FRAME_X_P (XFRAME (frame
)))
808 x_make_frame_visible (XFRAME (frame
));
814 DEFUN ("make-frame-invisible", Fmake_frame_invisible
, Smake_frame_invisible
,
816 "Make the frame FRAME invisible (assuming it is an X-window).\n\
817 If omitted, FRAME defaults to the currently selected frame.")
822 XSET (frame
, Lisp_Frame
, selected_frame
);
824 CHECK_LIVE_FRAME (frame
, 0);
826 /* Don't let the frame remain selected. */
827 if (XFRAME (frame
) == selected_frame
)
828 Fhandle_switch_frame (next_frame (frame
, Qt
), Qnil
);
830 /* Don't allow minibuf_window to remain on a deleted frame. */
831 if (EQ (XFRAME (frame
)->minibuffer_window
, minibuf_window
))
833 Fset_window_buffer (selected_frame
->minibuffer_window
,
834 XWINDOW (minibuf_window
)->buffer
);
835 minibuf_window
= selected_frame
->minibuffer_window
;
838 /* I think this should be done with a hook. */
839 #ifdef HAVE_X_WINDOWS
840 if (FRAME_X_P (XFRAME (frame
)))
841 x_make_frame_invisible (XFRAME (frame
));
847 DEFUN ("iconify-frame", Ficonify_frame
, Siconify_frame
,
849 "Make the frame FRAME into an icon.\n\
850 If omitted, FRAME defaults to the currently selected frame.")
855 XSET (frame
, Lisp_Frame
, selected_frame
);
857 CHECK_LIVE_FRAME (frame
, 0);
859 /* Don't let the frame remain selected. */
860 if (XFRAME (frame
) == selected_frame
)
861 Fhandle_switch_frame (next_frame (frame
, Qt
), Qnil
);
863 /* Don't allow minibuf_window to remain on a deleted frame. */
864 if (EQ (XFRAME (frame
)->minibuffer_window
, minibuf_window
))
866 Fset_window_buffer (selected_frame
->minibuffer_window
,
867 XWINDOW (minibuf_window
)->buffer
);
868 minibuf_window
= selected_frame
->minibuffer_window
;
871 /* I think this should be done with a hook. */
872 #ifdef HAVE_X_WINDOWS
873 if (FRAME_X_P (XFRAME (frame
)))
874 x_iconify_frame (XFRAME (frame
));
880 DEFUN ("frame-visible-p", Fframe_visible_p
, Sframe_visible_p
,
882 "Return t if FRAME is now \"visible\" (actually in use for display).\n\
883 A frame that is not \"visible\" is not updated and, if it works through\n\
884 a window system, it may not show at all.\n\
885 Return the symbol `icon' if frame is visible only as an icon.")
889 CHECK_LIVE_FRAME (frame
, 0);
891 if (FRAME_VISIBLE_P (XFRAME (frame
)))
893 if (FRAME_ICONIFIED_P (XFRAME (frame
)))
898 DEFUN ("visible-frame-list", Fvisible_frame_list
, Svisible_frame_list
,
900 "Return a list of all frames now \"visible\" (being updated).")
903 Lisp_Object tail
, frame
;
908 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCONS (tail
)->cdr
)
910 frame
= XCONS (tail
)->car
;
911 if (XTYPE (frame
) != Lisp_Frame
)
914 if (FRAME_VISIBLE_P (f
))
915 value
= Fcons (frame
, value
);
921 DEFUN ("raise-frame", Fraise_frame
, Sraise_frame
, 1, 1, 0,
922 "Bring FRAME to the front, so it occludes any frames it overlaps.\n\
923 If FRAME is invisible, make it visible.\n\
924 If Emacs is displaying on an ordinary terminal or some other device which\n\
925 doesn't support multiple overlapping frames, this function does nothing.")
929 CHECK_LIVE_FRAME (frame
, 0);
931 if (frame_raise_lower_hook
)
932 (*frame_raise_lower_hook
) (XFRAME (frame
), 1);
937 /* Should we have a corresponding function called Flower_Power? */
938 DEFUN ("lower-frame", Flower_frame
, Slower_frame
, 1, 1, 0,
939 "Send FRAME to the back, so it is occluded by any frames that overlap it.\n\
940 If Emacs is displaying on an ordinary terminal or some other device which\n\
941 doesn't support multiple overlapping frames, this function does nothing.")
945 CHECK_LIVE_FRAME (frame
, 0);
947 if (frame_raise_lower_hook
)
948 (*frame_raise_lower_hook
) (XFRAME (frame
), 0);
954 DEFUN ("redirect-frame-focus", Fredirect_frame_focus
, Sredirect_frame_focus
,
956 "Arrange for keystrokes typed at FRAME to be sent to FOCUS-FRAME.\n\
957 In other words, switch-frame events caused by events in FRAME will\n\
958 request a switch to FOCUS-FRAME, and `last-event-frame' will be\n\
959 FOCUS-FRAME after reading an event typed at FRAME.\n\
961 If FOCUS-FRAME is omitted or nil, any existing redirection is\n\
962 cancelled, and the frame again receives its own keystrokes.\n\
964 Focus redirection is useful for temporarily redirecting keystrokes to\n\
965 a surrogate minibuffer frame when a frame doesn't have its own\n\
966 minibuffer window.\n\
968 A frame's focus redirection can be changed by select-frame. If frame\n\
969 FOO is selected, and then a different frame BAR is selected, any\n\
970 frames redirecting their focus to FOO are shifted to redirect their\n\
971 focus to BAR. This allows focus redirection to work properly when the\n\
972 user switches from one frame to another using `select-window'.\n\
974 This means that a frame whose focus is redirected to itself is treated\n\
975 differently from a frame whose focus is redirected to nil; the former\n\
976 is affected by select-frame, while the latter is not.\n\
978 The redirection lasts until `redirect-frame-focus' is called to change it.")
980 Lisp_Object frame
, focus_frame
;
982 CHECK_LIVE_FRAME (frame
, 0);
984 if (! NILP (focus_frame
))
985 CHECK_LIVE_FRAME (focus_frame
, 1);
987 XFRAME (frame
)->focus_frame
= focus_frame
;
989 /* I think this should be done with a hook. */
990 #ifdef HAVE_X_WINDOWS
991 if (!NILP (focus_frame
) && ! EQ (focus_frame
, frame
)
992 && FRAME_X_P (XFRAME (focus_frame
)))
993 Ffocus_frame (focus_frame
);
996 if (frame_rehighlight_hook
)
997 (*frame_rehighlight_hook
) ();
1003 DEFUN ("frame-focus", Fframe_focus
, Sframe_focus
, 1, 1, 0,
1004 "Return the frame to which FRAME's keystrokes are currently being sent.\n\
1005 This returns nil if FRAME's focus is not redirected.\n\
1006 See `redirect-frame-focus'.")
1010 CHECK_LIVE_FRAME (frame
, 0);
1012 return FRAME_FOCUS_FRAME (XFRAME (frame
));
1018 get_frame_param (frame
, prop
)
1019 register struct frame
*frame
;
1022 register Lisp_Object tem
;
1024 tem
= Fassq (prop
, frame
->param_alist
);
1031 store_in_alist (alistptr
, prop
, val
)
1032 Lisp_Object
*alistptr
, val
;
1035 register Lisp_Object tem
;
1037 tem
= Fassq (prop
, *alistptr
);
1039 *alistptr
= Fcons (Fcons (prop
, val
), *alistptr
);
1045 store_frame_param (f
, prop
, val
)
1047 Lisp_Object prop
, val
;
1049 register Lisp_Object tem
;
1051 tem
= Fassq (prop
, f
->param_alist
);
1053 f
->param_alist
= Fcons (Fcons (prop
, val
), f
->param_alist
);
1057 if (EQ (prop
, Qminibuffer
)
1058 && XTYPE (val
) == Lisp_Window
)
1060 if (! MINI_WINDOW_P (XWINDOW (val
)))
1061 error ("Surrogate minibuffer windows must be minibuffer windows.");
1063 if (FRAME_HAS_MINIBUF_P (f
) || FRAME_MINIBUF_ONLY_P (f
))
1064 error ("Can't change the surrogate minibuffer of a frame with its own minibuffer.");
1066 /* Install the chosen minibuffer window, with proper buffer. */
1067 f
->minibuffer_window
= val
;
1071 DEFUN ("frame-parameters", Fframe_parameters
, Sframe_parameters
, 0, 1, 0,
1072 "Return the parameters-alist of frame FRAME.\n\
1073 It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.\n\
1074 The meaningful PARMs depend on the kind of frame.\n\
1075 If FRAME is omitted, return information on the currently selected frame.")
1082 if (EQ (frame
, Qnil
))
1086 CHECK_FRAME (frame
, 0);
1090 if (f
->display
.nothing
== 0)
1093 alist
= Fcopy_alist (f
->param_alist
);
1094 store_in_alist (&alist
, Qname
, f
->name
);
1095 store_in_alist (&alist
, Qheight
, make_number (f
->height
));
1096 store_in_alist (&alist
, Qwidth
, make_number (f
->width
));
1097 store_in_alist (&alist
, Qmodeline
, (f
->wants_modeline
? Qt
: Qnil
));
1098 store_in_alist (&alist
, Qminibuffer
,
1099 (! FRAME_HAS_MINIBUF_P (f
) ? Qnil
1100 : (FRAME_MINIBUF_ONLY_P (f
) ? Qonly
1101 : FRAME_MINIBUF_WINDOW (f
))));
1102 store_in_alist (&alist
, Qunsplittable
, (f
->no_split
? Qt
: Qnil
));
1103 store_in_alist (&alist
, Qmenu_bar_lines
, (FRAME_MENU_BAR_LINES (f
)));
1105 /* I think this should be done with a hook. */
1106 #ifdef HAVE_X_WINDOWS
1108 x_report_frame_params (f
, &alist
);
1113 DEFUN ("modify-frame-parameters", Fmodify_frame_parameters
,
1114 Smodify_frame_parameters
, 2, 2, 0,
1115 "Modify the parameters of frame FRAME according to ALIST.\n\
1116 ALIST is an alist of parameters to change and their new values.\n\
1117 Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.\n\
1118 The meaningful PARMs depend on the kind of frame; undefined PARMs are ignored.")
1120 Lisp_Object frame
, alist
;
1123 register Lisp_Object tail
, elt
, prop
, val
;
1125 if (EQ (frame
, Qnil
))
1129 CHECK_LIVE_FRAME (frame
, 0);
1133 /* I think this should be done with a hook. */
1134 #ifdef HAVE_X_WINDOWS
1137 x_set_frame_parameters (f
, alist
);
1139 for (tail
= alist
; !EQ (tail
, Qnil
); tail
= Fcdr (tail
))
1144 x_set_frame_param (f
, prop
, val
, get_frame_param (f
, prop
));
1145 store_frame_param (f
, prop
, val
);
1153 DEFUN ("frame-char-height", Fframe_char_height
, Sframe_char_height
,
1155 "Height in pixels of a line in the font in frame FRAME.\n\
1156 If FRAME is omitted, the selected frame is used.\n\
1157 For a terminal frame, the value is always 1.")
1167 CHECK_FRAME (frame
, 0);
1171 #ifdef HAVE_X_WINDOWS
1173 return make_number (x_char_height (f
));
1176 return make_number (1);
1180 DEFUN ("frame-char-width", Fframe_char_width
, Sframe_char_width
,
1182 "Width in pixels of characters in the font in frame FRAME.\n\
1183 If FRAME is omitted, the selected frame is used.\n\
1184 The width is the same for all characters, because\n\
1185 currently Emacs supports only fixed-width fonts.\n\
1186 For a terminal screen, the value is always 1.")
1196 CHECK_FRAME (frame
, 0);
1200 #ifdef HAVE_X_WINDOWS
1202 return make_number (x_char_width (f
));
1205 return make_number (1);
1208 DEFUN ("frame-pixel-height", Fframe_pixel_height
,
1209 Sframe_pixel_height
, 0, 1, 0,
1210 "Return a FRAME's heightin pixels.\n\
1211 For a terminal frame, the result really gives the sizes in characters.\n\
1212 If FRAME is omitted, the selected frame is used.")
1222 CHECK_FRAME (frame
, 0);
1226 #ifdef HAVE_X_WINDOWS
1228 return make_number (x_pixel_height (f
));
1231 return make_number (FRAME_HEIGHT (f
));
1234 DEFUN ("frame-pixel-width", Fframe_pixel_width
,
1235 Sframe_pixel_width
, 0, 1, 0,
1236 "Return FRAME's width in pixels.\n\
1237 For a terminal frame, the result really gives the sizes in characters.\n\
1238 If FRAME is omitted, the selected frame is used.")
1248 CHECK_FRAME (frame
, 0);
1252 #ifdef HAVE_X_WINDOWS
1254 return make_number (x_pixel_width (f
));
1257 return make_number (FRAME_WIDTH (f
));
1260 DEFUN ("set-frame-height", Fset_frame_height
, Sset_frame_height
, 2, 3, 0,
1261 "Specify that the frame FRAME has LINES lines.\n\
1262 Optional third arg non-nil means that redisplay should use LINES lines\n\
1263 but that the idea of the actual height of the frame should not be changed.")
1264 (frame
, rows
, pretend
)
1265 Lisp_Object frame
, rows
, pretend
;
1267 register struct frame
*f
;
1269 CHECK_NUMBER (rows
, 0);
1274 CHECK_LIVE_FRAME (frame
, 0);
1278 /* I think this should be done with a hook. */
1279 #ifdef HAVE_X_WINDOWS
1282 if (XINT (rows
) != f
->width
)
1283 x_set_window_size (f
, f
->width
, XINT (rows
));
1287 change_frame_size (f
, XINT (rows
), 0, !NILP (pretend
), 0);
1291 DEFUN ("set-frame-width", Fset_frame_width
, Sset_frame_width
, 2, 3, 0,
1292 "Specify that the frame FRAME has COLS columns.\n\
1293 Optional third arg non-nil means that redisplay should use COLS columns\n\
1294 but that the idea of the actual width of the frame should not be changed.")
1295 (frame
, cols
, pretend
)
1296 Lisp_Object frame
, cols
, pretend
;
1298 register struct frame
*f
;
1299 CHECK_NUMBER (cols
, 0);
1304 CHECK_LIVE_FRAME (frame
, 0);
1308 /* I think this should be done with a hook. */
1309 #ifdef HAVE_X_WINDOWS
1312 if (XINT (cols
) != f
->width
)
1313 x_set_window_size (f
, XINT (cols
), f
->height
);
1317 change_frame_size (f
, 0, XINT (cols
), !NILP (pretend
), 0);
1321 DEFUN ("set-frame-size", Fset_frame_size
, Sset_frame_size
, 3, 3, 0,
1322 "Sets size of FRAME to COLS by ROWS, measured in characters.")
1324 Lisp_Object frame
, cols
, rows
;
1326 register struct frame
*f
;
1329 CHECK_LIVE_FRAME (frame
, 0);
1330 CHECK_NUMBER (cols
, 2);
1331 CHECK_NUMBER (rows
, 1);
1334 /* I think this should be done with a hook. */
1335 #ifdef HAVE_X_WINDOWS
1338 if (XINT (rows
) != f
->height
|| XINT (cols
) != f
->width
)
1339 x_set_window_size (f
, XINT (cols
), XINT (rows
));
1343 change_frame_size (f
, XINT (rows
), XINT (cols
), 0, 0);
1348 DEFUN ("set-frame-position", Fset_frame_position
,
1349 Sset_frame_position
, 3, 3, 0,
1350 "Sets position of FRAME in pixels to XOFFSET by YOFFSET.\n\
1351 If XOFFSET or YOFFSET are negative, they are interpreted relative to\n\
1352 the leftmost or bottommost position FRAME could occupy without going\n\
1354 (frame
, xoffset
, yoffset
)
1355 Lisp_Object frame
, xoffset
, yoffset
;
1357 register struct frame
*f
;
1360 CHECK_LIVE_FRAME (frame
, 0);
1361 CHECK_NUMBER (xoffset
, 1);
1362 CHECK_NUMBER (yoffset
, 2);
1365 /* I think this should be done with a hook. */
1366 #ifdef HAVE_X_WINDOWS
1368 x_set_offset (f
, XINT (xoffset
), XINT (yoffset
));
1376 DEFUN ("rubber-band-rectangle", Frubber_band_rectangle
, Srubber_band_rectangle
,
1378 "Ask user to specify a window position and size on FRAME with the mouse.\n\
1379 Arguments are FRAME, NAME and GEO. NAME is a name to be displayed as\n\
1380 the purpose of this rectangle. GEO is an X-windows size spec that can\n\
1381 specify defaults for some sizes/positions. If GEO specifies everything,\n\
1382 the mouse is not used.\n\
1383 Returns a list of five values: (FRAME LEFT TOP WIDTH HEIGHT).")
1390 Lisp_Object nums
[4];
1393 CHECK_FRAME (frame
, 0);
1394 CHECK_STRING (name
, 1);
1395 CHECK_STRING (geo
, 2);
1397 switch (XFRAME (frame
)->output_method
)
1399 case output_x_window
:
1400 x_rubber_band (XFRAME (frame
), &vals
[0], &vals
[1], &vals
[2], &vals
[3],
1401 XSTRING (geo
)->data
, XSTRING (name
)->data
);
1408 for (i
= 0; i
< 4; i
++)
1409 XFASTINT (nums
[i
]) = vals
[i
];
1410 return Fcons (frame
, Flist (4, nums
));
1413 #endif /* not HAVE_X11 */
1415 choose_minibuf_frame ()
1417 /* For lowest-level minibuf, put it on currently selected frame
1418 if frame has a minibuffer. */
1420 if (minibuf_level
== 0
1421 && selected_frame
!= 0
1422 && !EQ (minibuf_window
, selected_frame
->minibuffer_window
))
1424 /* I don't think that any frames may validly have a null minibuffer
1426 if (NILP (selected_frame
->minibuffer_window
))
1429 Fset_window_buffer (selected_frame
->minibuffer_window
,
1430 XWINDOW (minibuf_window
)->buffer
);
1431 minibuf_window
= selected_frame
->minibuffer_window
;
1437 /*&&& init symbols here &&&*/
1438 Qframep
= intern ("framep");
1439 staticpro (&Qframep
);
1440 Qframe_live_p
= intern ("frame-live-p");
1441 staticpro (&Qframe_live_p
);
1442 Qheight
= intern ("height");
1443 staticpro (&Qheight
);
1444 Qicon
= intern ("icon");
1446 Qminibuffer
= intern ("minibuffer");
1447 staticpro (&Qminibuffer
);
1448 Qmodeline
= intern ("modeline");
1449 staticpro (&Qmodeline
);
1450 Qname
= intern ("name");
1452 Qonly
= intern ("only");
1454 Qunsplittable
= intern ("unsplittable");
1455 staticpro (&Qunsplittable
);
1456 Qwidth
= intern ("width");
1457 staticpro (&Qwidth
);
1460 Qmenu_bar_lines
= intern ("menu-bar-lines");
1461 staticpro (&Qmenu_bar_lines
);
1463 staticpro (&Vframe_list
);
1465 DEFVAR_LISP ("terminal-frame", &Vterminal_frame
,
1466 "The initial frame-object, which represents Emacs's stdout.");
1468 DEFVAR_LISP ("emacs-iconified", &Vemacs_iconified
,
1469 "Non-nil if all of emacs is iconified and frame updates are not needed.");
1470 Vemacs_iconified
= Qnil
;
1472 DEFVAR_LISP ("default-minibuffer-frame", &Vdefault_minibuffer_frame
,
1473 "Minibufferless frames use this frame's minibuffer.\n\
1475 Emacs cannot create minibufferless frames unless this is set to an\n\
1476 appropriate surrogate.\n\
1478 Emacs consults this variable only when creating minibufferless\n\
1479 frames; once the frame is created, it sticks with its assigned\n\
1480 minibuffer, no matter what this variable is set to. This means that\n\
1481 this variable doesn't necessarily say anything meaningful about the\n\
1482 current set of frames, or where the minibuffer is currently being\n\
1484 Vdefault_minibuffer_frame
= Qnil
;
1486 DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist
,
1487 "Alist of default values for frame creation.\n\
1488 These may be set in your init file, like this:\n\
1489 (setq default-frame-alist '((width . 80) (height . 55)))\n\
1490 These override values given in window system configuration data, like\n\
1491 X Windows' defaults database.\n\
1492 For values specific to the first Emacs frame, see `initial-frame-alist'.\n\
1493 For values specific to the separate minibuffer frame, see\n\
1494 `minibuffer-frame-alist'.");
1495 Vdefault_frame_alist
= Qnil
;
1498 defsubr (&Sframe_live_p
);
1499 defsubr (&Shandle_switch_frame
);
1500 defsubr (&Sselect_frame
);
1501 defsubr (&Sselected_frame
);
1502 defsubr (&Swindow_frame
);
1503 defsubr (&Sframe_root_window
);
1504 defsubr (&Sframe_selected_window
);
1505 defsubr (&Sframe_list
);
1506 defsubr (&Snext_frame
);
1507 defsubr (&Sdelete_frame
);
1508 defsubr (&Smouse_position
);
1509 defsubr (&Sset_mouse_position
);
1511 defsubr (&Sframe_configuration
);
1512 defsubr (&Srestore_frame_configuration
);
1514 defsubr (&Smake_frame_visible
);
1515 defsubr (&Smake_frame_invisible
);
1516 defsubr (&Siconify_frame
);
1517 defsubr (&Sframe_visible_p
);
1518 defsubr (&Svisible_frame_list
);
1519 defsubr (&Sraise_frame
);
1520 defsubr (&Slower_frame
);
1521 defsubr (&Sredirect_frame_focus
);
1522 defsubr (&Sframe_focus
);
1523 defsubr (&Sframe_parameters
);
1524 defsubr (&Smodify_frame_parameters
);
1525 defsubr (&Sframe_char_height
);
1526 defsubr (&Sframe_char_width
);
1527 defsubr (&Sframe_pixel_height
);
1528 defsubr (&Sframe_pixel_width
);
1529 defsubr (&Sset_frame_height
);
1530 defsubr (&Sset_frame_width
);
1531 defsubr (&Sset_frame_size
);
1532 defsubr (&Sset_frame_position
);
1534 defsubr (&Srubber_band_rectangle
);
1535 #endif /* HAVE_X11 */
1540 initial_define_lispy_key (global_map
, "switch-frame", "handle-switch-frame");
1543 #else /* not MULTI_FRAME */
1545 /* If we're not using multi-frame stuff, we still need to provide some
1546 support functions. */
1548 /* Unless this function is defined, providing set-frame-height and
1549 set-frame-width doesn't help compatibility any, since they both
1550 want this as their first argument. */
1551 DEFUN ("selected-frame", Fselected_frame
, Sselected_frame
, 0, 0, 0,
1552 "Return the frame that is now selected.")
1560 DEFUN ("set-frame-height", Fset_frame_height
, Sset_frame_height
, 2, 3, 0,
1561 "Specify that the frame FRAME has LINES lines.\n\
1562 Optional third arg non-nil means that redisplay should use LINES lines\n\
1563 but that the idea of the actual height of the frame should not be changed.")
1564 (frame
, rows
, pretend
)
1565 Lisp_Object frame
, rows
, pretend
;
1567 CHECK_NUMBER (rows
, 0);
1569 change_frame_size (0, XINT (rows
), 0, !NILP (pretend
), 0);
1573 DEFUN ("set-frame-width", Fset_frame_width
, Sset_frame_width
, 2, 3, 0,
1574 "Specify that the frame FRAME has COLS columns.\n\
1575 Optional third arg non-nil means that redisplay should use COLS columns\n\
1576 but that the idea of the actual width of the frame should not be changed.")
1577 (frame
, cols
, pretend
)
1578 Lisp_Object frame
, cols
, pretend
;
1580 CHECK_NUMBER (cols
, 0);
1582 change_frame_size (0, 0, XINT (cols
), !NILP (pretend
), 0);
1586 DEFUN ("set-frame-size", Fset_frame_size
, Sset_frame_size
, 3, 3, 0,
1587 "Sets size of FRAME to COLS by ROWS, measured in characters.")
1589 Lisp_Object frame
, cols
, rows
;
1591 CHECK_NUMBER (cols
, 2);
1592 CHECK_NUMBER (rows
, 1);
1594 change_frame_size (0, XINT (rows
), XINT (cols
), 0, 0);
1599 DEFUN ("frame-height", Fframe_height
, Sframe_height
, 0, 1, 0,
1600 "Return number of lines available for display on FRAME.\n\
1601 If FRAME is omitted, describe the currently selected frame.")
1605 return make_number (FRAME_HEIGHT (selected_frame
));
1608 DEFUN ("frame-width", Fframe_width
, Sframe_width
, 0, 1, 0,
1609 "Return number of columns available for display on FRAME.\n\
1610 If FRAME is omitted, describe the currently selected frame.")
1614 return make_number (FRAME_WIDTH (selected_frame
));
1617 DEFUN ("frame-char-height", Fframe_char_height
, Sframe_char_height
,
1619 "Height in pixels of a line in the font in frame FRAME.\n\
1620 If FRAME is omitted, the selected frame is used.\n\
1621 For a terminal frame, the value is always 1.")
1625 return make_number (1);
1629 DEFUN ("frame-char-width", Fframe_char_width
, Sframe_char_width
,
1631 "Width in pixels of characters in the font in frame FRAME.\n\
1632 If FRAME is omitted, the selected frame is used.\n\
1633 The width is the same for all characters, because\n\
1634 currently Emacs supports only fixed-width fonts.\n\
1635 For a terminal screen, the value is always 1.")
1639 return make_number (1);
1642 DEFUN ("frame-pixel-height", Fframe_pixel_height
,
1643 Sframe_pixel_height
, 0, 1, 0,
1644 "Return FRAME's height in pixels.\n\
1645 For a terminal frame, the result really gives the height in characters.\n\
1646 If FRAME is omitted, the selected frame is used.")
1650 return make_number (FRAME_HEIGHT (f
));
1653 DEFUN ("frame-pixel-width", Fframe_pixel_width
,
1654 Sframe_pixel_width
, 0, 1, 0,
1655 "Return FRAME's width in pixels.\n\
1656 For a terminal frame, the result really gives the width in characters.\n\
1657 If FRAME is omitted, the selected frame is used.")
1661 return make_number (FRAME_WIDTH (f
));
1664 /* These are for backward compatibility with Emacs 18. */
1666 DEFUN ("set-screen-height", Fset_screen_height
, Sset_screen_height
, 1, 2, 0,
1667 "Tell redisplay that the screen has LINES lines.\n\
1668 Optional second arg non-nil means that redisplay should use LINES lines\n\
1669 but that the idea of the actual height of the screen should not be changed.")
1671 Lisp_Object lines
, pretend
;
1673 CHECK_NUMBER (lines
, 0);
1675 change_frame_size (0, XINT (lines
), 0, !NILP (pretend
), 0);
1679 DEFUN ("set-screen-width", Fset_screen_width
, Sset_screen_width
, 1, 2, 0,
1680 "Tell redisplay that the screen has COLS columns.\n\
1681 Optional second arg non-nil means that redisplay should use COLS columns\n\
1682 but that the idea of the actual width of the screen should not be changed.")
1684 Lisp_Object cols
, pretend
;
1686 CHECK_NUMBER (cols
, 0);
1688 change_frame_size (0, 0, XINT (cols
), !NILP (pretend
), 0);
1694 defsubr (&Sselected_frame
);
1695 defsubr (&Sframe_char_height
);
1696 defsubr (&Sframe_char_width
);
1697 defsubr (&Sframe_pixel_height
);
1698 defsubr (&Sframe_pixel_width
);
1699 defsubr (&Sset_frame_height
);
1700 defsubr (&Sset_frame_width
);
1701 defsubr (&Sset_frame_size
);
1702 defsubr (&Sset_screen_height
);
1703 defsubr (&Sset_screen_width
);
1704 defsubr (&Sframe_height
);
1705 Ffset (intern ("screen-height"), intern ("frame-height"));
1706 defsubr (&Sframe_width
);
1707 Ffset (intern ("screen-width"), intern ("frame-width"));
1714 #endif /* not MULTI_FRAME */