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- ;;; frame.el --- multi-frame management independent of window systems.
-
- ;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
-
- ;; Maintainer: FSF
- ;; Keywords: internal
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is free software; you can redistribute it and/or modify
- ;; it under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 2, or (at your option)
- ;; any later version.
-
- ;; GNU Emacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
- ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ;; GNU General Public License for more details.
-
- ;; You should have received a copy of the GNU General Public License
- ;; along with GNU Emacs; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Code:
-
- (defvar frame-creation-function nil
- "Window-system dependent function to call to create a new frame.
- The window system startup file should set this to its frame creation
- function, which should take an alist of parameters as its argument.")
-
- ;;; The initial value given here for this must ask for a minibuffer.
- ;;; There must always exist a frame with a minibuffer, and after we
- ;;; delete the terminal frame, this will be the only frame.
- (defvar initial-frame-alist '((minibuffer . t))
- "Alist of frame parameters for creating the initial X window frame.
- You can set this in your `.emacs' file; for example,
- (setq initial-frame-alist '((top . 1) (left . 1) (width . 80) (height . 55)))
- Parameters specified here supersede the values given in `default-frame-alist'.
-
- If the value calls for a frame without a minibuffer, and you have not created
- a minibuffer frame on your own, one is created according to
- `minibuffer-frame-alist'.
-
- You can specify geometry-related options for just the initial frame
- by setting this variable in your `.emacs' file; however, they won't
- take effect until Emacs reads `.emacs', which happens after first creating
- the frame. If you want the frame to have the proper geometry as soon
- as it appears, you need to use this three-step process:
- * Specify X resources to give the geometry you want.
- * Set `default-frame-alist' to override these options so that they
- don't affect subsequent frames.
- * Set `initial-frame-alist' in a way that matches the X resources,
- to override what you put in `default-frame-alist'.")
-
- (defvar minibuffer-frame-alist '((width . 80) (height . 2))
- "Alist of frame parameters for initially creating a minibuffer frame.
- You can set this in your `.emacs' file; for example,
- (setq minibuffer-frame-alist
- '((top . 1) (left . 1) (width . 80) (height . 2)))
- Parameters specified here supersede the values given in
- `default-frame-alist'.")
-
- (defvar pop-up-frame-alist nil
- "Alist of frame parameters used when creating pop-up frames.
- Pop-up frames are used for completions, help, and the like.
- This variable can be set in your init file, like this:
- (setq pop-up-frame-alist '((width . 80) (height . 20)))
- These supersede the values given in `default-frame-alist'.")
-
- (setq pop-up-frame-function
- (function (lambda ()
- (make-frame pop-up-frame-alist))))
-
- (defvar special-display-frame-alist
- '((height . 14) (width . 80) (unsplittable . t))
- "*Alist of frame parameters used when creating special frames.
- Special frames are used for buffers whose names are in
- `special-display-buffer-names' and for buffers whose names match
- one of the regular expressions in `special-display-regexps'.
- This variable can be set in your init file, like this:
- (setq special-display-frame-alist '((width . 80) (height . 20)))
- These supersede the values given in `default-frame-alist'.")
-
- ;; Display BUFFER in its own frame, reusing an existing window if any.
- ;; Return the window chosen.
- ;; Currently we do not insist on selecting the window within its frame.
- ;; If ARGS is an alist, use it as a list of frame parameter specs.
- ;; If ARGS is a list whose car is a symbol,
- ;; use (car ARGS) as a function to do the work.
- ;; Pass it BUFFER as first arg, and (cdr ARGS) gives the rest of the args.
- (defun special-display-popup-frame (buffer &optional args)
- (if (and args (symbolp (car args)))
- (apply (car args) buffer (cdr args))
- (let ((window (get-buffer-window buffer t)))
- (if window
- ;; If we have a window already, make it visible.
- (let ((frame (window-frame window)))
- (make-frame-visible frame)
- (raise-frame frame)
- window)
- ;; If no window yet, make one in a new frame.
- (let ((frame (make-frame (append args special-display-frame-alist))))
- (set-window-buffer (frame-selected-window frame) buffer)
- (set-window-dedicated-p (frame-selected-window frame) t)
- (frame-selected-window frame))))))
-
- ;; Handle delete-frame events from the X server.
- (defun handle-delete-frame (event)
- (interactive "e")
- (let ((frame (posn-window (event-start event)))
- (i 0)
- (tail (frame-list)))
- (while tail
- (and (frame-visible-p (car tail))
- (not (eq (car tail) frame))
- (setq i (1+ i)))
- (setq tail (cdr tail)))
- (if (> i 0)
- (delete-frame frame t)
- ;; Gildea@x.org says it is ok to ask questions before terminating.
- (save-buffers-kill-emacs))))
-
- ;;;; Arrangement of frames at startup
-
- ;;; 1) Load the window system startup file from the lisp library and read the
- ;;; high-priority arguments (-q and the like). The window system startup
- ;;; file should create any frames specified in the window system defaults.
- ;;;
- ;;; 2) If no frames have been opened, we open an initial text frame.
- ;;;
- ;;; 3) Once the init file is done, we apply any newly set parameters
- ;;; in initial-frame-alist to the frame.
-
- ;; These are now called explicitly at the proper times,
- ;; since that is easier to understand.
- ;; Actually using hooks within Emacs is bad for future maintenance. --rms.
- ;; (add-hook 'before-init-hook 'frame-initialize)
- ;; (add-hook 'window-setup-hook 'frame-notice-user-settings)
-
- ;;; If we create the initial frame, this is it.
- (defvar frame-initial-frame nil)
-
- ;; Record the parameters used in frame-initialize to make the initial frame.
- (defvar frame-initial-frame-alist)
-
- (defvar frame-initial-geometry-arguments nil)
-
- ;;; startup.el calls this function before loading the user's init
- ;;; file - if there is no frame with a minibuffer open now, create
- ;;; one to display messages while loading the init file.
- (defun frame-initialize ()
-
- ;; Are we actually running under a window system at all?
- (if (and window-system (not noninteractive) (not (eq window-system 'pc)))
- (progn
- ;; Turn on special-display processing only if there's a window system.
- (setq special-display-function 'special-display-popup-frame)
-
- ;; If there is no frame with a minibuffer besides the terminal
- ;; frame, then we need to create the opening frame. Make sure
- ;; it has a minibuffer, but let initial-frame-alist omit the
- ;; minibuffer spec.
- (or (delq terminal-frame (minibuffer-frame-list))
- (progn
- (setq frame-initial-frame-alist
- (append initial-frame-alist default-frame-alist))
- ;; Record these with their default values
- ;; if they don't have any values explicitly.
- (or (assq 'vertical-scroll-bars frame-initial-frame-alist)
- (setq frame-initial-frame-alist
- (cons '(vertical-scroll-bars . t)
- frame-initial-frame-alist)))
- (or (assq 'horizontal-scroll-bars frame-initial-frame-alist)
- (setq frame-initial-frame-alist
- (cons '(horizontal-scroll-bars . t)
- frame-initial-frame-alist)))
- (setq default-minibuffer-frame
- (setq frame-initial-frame
- (make-frame initial-frame-alist)))
- ;; Delete any specifications for window geometry parameters
- ;; so that we won't reapply them in frame-notice-user-settings.
- ;; It would be wrong to reapply them then,
- ;; because that would override explicit user resizing.
- (setq initial-frame-alist
- (frame-remove-geometry-params initial-frame-alist))))
- ;; At this point, we know that we have a frame open, so we
- ;; can delete the terminal frame.
- (delete-frame terminal-frame)
- (setq terminal-frame nil))
-
- ;; No, we're not running a window system. Use make-terminal-frame if
- ;; we support that feature, otherwise arrange to cause errors.
- (or (eq window-system 'pc)
- (setq frame-creation-function
- (if (fboundp 'make-terminal-frame)
- 'make-terminal-frame
- (function
- (lambda (parameters)
- (error
- "Can't create multiple frames without a window system"))))))))
-
- ;;; startup.el calls this function after loading the user's init
- ;;; file. Now default-frame-alist and initial-frame-alist contain
- ;;; information to which we must react; do what needs to be done.
- (defun frame-notice-user-settings ()
-
- ;; Make menu-bar-mode and default-frame-alist consistent.
- (if (boundp 'menu-bar-mode)
- (let ((default (assq 'menu-bar-lines default-frame-alist)))
- (if default
- (setq menu-bar-mode (not (eq (cdr default) 0)))
- (setq default-frame-alist
- (cons (cons 'menu-bar-lines (if menu-bar-mode 1 0))
- default-frame-alist)))))
-
- ;; Creating and deleting frames may shift the selected frame around,
- ;; and thus the current buffer. Protect against that. We don't
- ;; want to use save-excursion here, because that may also try to set
- ;; the buffer of the selected window, which fails when the selected
- ;; window is the minibuffer.
- (let ((old-buffer (current-buffer)))
-
- ;; If the initial frame is still around, apply initial-frame-alist
- ;; and default-frame-alist to it.
- (if (frame-live-p frame-initial-frame)
-
- ;; The initial frame we create above always has a minibuffer.
- ;; If the user wants to remove it, or make it a minibuffer-only
- ;; frame, then we'll have to delete the current frame and make a
- ;; new one; you can't remove or add a root window to/from an
- ;; existing frame.
- ;;
- ;; NOTE: default-frame-alist was nil when we created the
- ;; existing frame. We need to explicitly include
- ;; default-frame-alist in the parameters of the screen we
- ;; create here, so that its new value, gleaned from the user's
- ;; .emacs file, will be applied to the existing screen.
- (if (not (eq (cdr (or (assq 'minibuffer initial-frame-alist)
- (assq 'minibuffer default-frame-alist)
- '(minibuffer . t)))
- t))
- ;; Create the new frame.
- (let (parms new)
- ;; If the frame isn't visible yet, wait till it is.
- ;; If the user has to position the window,
- ;; Emacs doesn't know its real position until
- ;; the frame is seen to be visible.
- (while (not (cdr (assq 'visibility
- (frame-parameters frame-initial-frame))))
- (sleep-for 1))
- (setq parms (frame-parameters frame-initial-frame))
- ;; Get rid of `name' unless it was specified explicitly before.
- (or (assq 'name frame-initial-frame-alist)
- (setq parms (delq (assq 'name parms) parms)))
- (setq parms (append initial-frame-alist
- default-frame-alist
- parms
- nil))
- ;; Get rid of `reverse', because that was handled
- ;; when we first made the frame.
- (setq parms (cons '(reverse) (delq (assq 'reverse parms) parms)))
- (if (assq 'height frame-initial-geometry-arguments)
- (setq parms (frame-delete-all 'height parms)))
- (if (assq 'width frame-initial-geometry-arguments)
- (setq parms (frame-delete-all 'width parms)))
- (if (assq 'left frame-initial-geometry-arguments)
- (setq parms (frame-delete-all 'left parms)))
- (if (assq 'top frame-initial-geometry-arguments)
- (setq parms (frame-delete-all 'top parms)))
- (setq new
- (make-frame
- ;; Use the geometry args that created the existing
- ;; frame, rather than the parms we get for it.
- (append frame-initial-geometry-arguments
- '((user-size . t) (user-position . t))
- parms)))
- ;; The initial frame, which we are about to delete, may be
- ;; the only frame with a minibuffer. If it is, create a
- ;; new one.
- (or (delq frame-initial-frame (minibuffer-frame-list))
- (make-initial-minibuffer-frame nil))
-
- ;; If the initial frame is serving as a surrogate
- ;; minibuffer frame for any frames, we need to wean them
- ;; onto a new frame. The default-minibuffer-frame
- ;; variable must be handled similarly.
- (let ((users-of-initial
- (filtered-frame-list
- (function (lambda (frame)
- (and (not (eq frame frame-initial-frame))
- (eq (window-frame
- (minibuffer-window frame))
- frame-initial-frame)))))))
- (if (or users-of-initial
- (eq default-minibuffer-frame frame-initial-frame))
-
- ;; Choose an appropriate frame. Prefer frames which
- ;; are only minibuffers.
- (let* ((new-surrogate
- (car
- (or (filtered-frame-list
- (function
- (lambda (frame)
- (eq (cdr (assq 'minibuffer
- (frame-parameters frame)))
- 'only))))
- (minibuffer-frame-list))))
- (new-minibuffer (minibuffer-window new-surrogate)))
-
- (if (eq default-minibuffer-frame frame-initial-frame)
- (setq default-minibuffer-frame new-surrogate))
-
- ;; Wean the frames using frame-initial-frame as
- ;; their minibuffer frame.
- (mapcar
- (function
- (lambda (frame)
- (modify-frame-parameters
- frame (list (cons 'minibuffer new-minibuffer)))))
- users-of-initial))))
-
- ;; Redirect events enqueued at this frame to the new frame.
- ;; Is this a good idea?
- (redirect-frame-focus frame-initial-frame new)
-
- ;; Finally, get rid of the old frame.
- (delete-frame frame-initial-frame t))
-
- ;; Otherwise, we don't need all that rigamarole; just apply
- ;; the new parameters.
- (let (newparms allparms tail)
- (setq allparms (append initial-frame-alist
- default-frame-alist))
- (if (assq 'height frame-initial-geometry-arguments)
- (setq allparms (frame-delete-all 'height allparms)))
- (if (assq 'width frame-initial-geometry-arguments)
- (setq allparms (frame-delete-all 'width allparms)))
- (if (assq 'left frame-initial-geometry-arguments)
- (setq allparms (frame-delete-all 'left allparms)))
- (if (assq 'top frame-initial-geometry-arguments)
- (setq allparms (frame-delete-all 'top allparms)))
- (setq tail allparms)
- ;; Find just the parms that have changed since we first
- ;; made this frame. Those are the ones actually set by
- ;; the init file. For those parms whose values we already knew
- ;; (such as those spec'd by command line options)
- ;; it is undesirable to specify the parm again
- ;; once the user has seen the frame and been able to alter it
- ;; manually.
- (while tail
- (let (newval oldval)
- (setq oldval (assq (car (car tail))
- frame-initial-frame-alist))
- (setq newval (cdr (assq (car (car tail)) allparms)))
- (or (and oldval (eq (cdr oldval) newval))
- (setq newparms
- (cons (cons (car (car tail)) newval) newparms))))
- (setq tail (cdr tail)))
- (setq newparms (nreverse newparms))
- (modify-frame-parameters frame-initial-frame
- newparms)
- (if (assq 'font newparms)
- (frame-update-faces frame-initial-frame)))))
-
- ;; Restore the original buffer.
- (set-buffer old-buffer)
-
- ;; Make sure the initial frame can be GC'd if it is ever deleted.
- ;; Make sure frame-notice-user-settings does nothing if called twice.
- (setq frame-initial-frame nil)))
-
- (defun make-initial-minibuffer-frame (display)
- (let ((parms (append minibuffer-frame-alist '((minibuffer . only)))))
- (if display
- (make-frame-on-display display parms)
- (make-frame parms))))
-
- ;; Delete from ALIST all elements whose car is KEY.
- ;; Return the modified alist.
- (defun frame-delete-all (key alist)
- (setq alist (copy-sequence alist))
- (let ((tail alist))
- (while tail
- (if (eq (car (car tail)) key)
- (setq alist (delq (car tail) alist)))
- (setq tail (cdr tail)))
- alist))
-
- ;;;; Creation of additional frames, and other frame miscellanea
-
- ;;; Return some frame other than the current frame, creating one if
- ;;; necessary. Note that the minibuffer frame, if separate, is not
- ;;; considered (see next-frame).
- (defun get-other-frame ()
- (let ((s (if (equal (next-frame (selected-frame)) (selected-frame))
- (make-frame)
- (next-frame (selected-frame)))))
- s))
-
- (defun next-multiframe-window ()
- "Select the next window, regardless of which frame it is on."
- (interactive)
- (select-window (next-window (selected-window)
- (> (minibuffer-depth) 0)
- t)))
-
- (defun previous-multiframe-window ()
- "Select the previous window, regardless of which frame it is on."
- (interactive)
- (select-window (previous-window (selected-window)
- (> (minibuffer-depth) 0)
- t)))
-
- (defun make-frame-on-display (display &optional parameters)
- "Make a frame on display DISPLAY.
- The optional second argument PARAMETERS specifies additional frame parameters."
- (interactive "sMake frame on display: ")
- (make-frame (cons (cons 'display display) parameters)))
-
- (defun make-frame-command ()
- "Make a new frame, and select it if the terminal displays only one frame."
- (interactive)
- (if (and window-system (not (eq window-system 'pc)))
- (make-frame)
- (select-frame (make-frame))))
-
- ;; Alias, kept temporarily.
- (defalias 'new-frame 'make-frame)
- (defun make-frame (&optional parameters)
- "Create a new frame, displaying the current buffer.
-
- Optional argument PARAMETERS is an alist of parameters for the new
- frame. Specifically, PARAMETERS is a list of pairs, each having
- the form (NAME . VALUE).
-
- Here are some of the parameters allowed (not a complete list):
-
- \(name . STRING) - The frame should be named STRING.
-
- \(height . NUMBER) - The frame should be NUMBER text lines high. If
- this parameter is present, the width parameter must also be
- given.
-
- \(width . NUMBER) - The frame should be NUMBER characters in width.
- If this parameter is present, the height parameter must also
- be given.
-
- \(minibuffer . t) - the frame should have a minibuffer
- \(minibuffer . nil) - the frame should have no minibuffer
- \(minibuffer . only) - the frame should contain only a minibuffer
- \(minibuffer . WINDOW) - the frame should use WINDOW as its minibuffer window."
- (interactive)
- (let ((nframe))
- (run-hooks 'before-make-frame-hook)
- (setq nframe (funcall frame-creation-function parameters))
- (run-hooks 'after-make-frame-hook)
- nframe))
-
- (defun filtered-frame-list (predicate)
- "Return a list of all live frames which satisfy PREDICATE."
- (let ((frames (frame-list))
- good-frames)
- (while (consp frames)
- (if (funcall predicate (car frames))
- (setq good-frames (cons (car frames) good-frames)))
- (setq frames (cdr frames)))
- good-frames))
-
- (defun minibuffer-frame-list ()
- "Return a list of all frames with their own minibuffers."
- (filtered-frame-list
- (function (lambda (frame)
- (eq frame (window-frame (minibuffer-window frame)))))))
-
- (defun frame-remove-geometry-params (param-list)
- "Return the parameter list PARAM-LIST, but with geometry specs removed.
- This deletes all bindings in PARAM-LIST for `top', `left', `width',
- `height', `user-size' and `user-position' parameters.
- Emacs uses this to avoid overriding explicit moves and resizings from
- the user during startup."
- (setq param-list (cons nil param-list))
- (let ((tail param-list))
- (while (consp (cdr tail))
- (if (and (consp (car (cdr tail)))
- (memq (car (car (cdr tail)))
- '(height width top left user-position user-size)))
- (progn
- (setq frame-initial-geometry-arguments
- (cons (car (cdr tail)) frame-initial-geometry-arguments))
- (setcdr tail (cdr (cdr tail))))
- (setq tail (cdr tail)))))
- (setq frame-initial-geometry-arguments
- (nreverse frame-initial-geometry-arguments))
- (cdr param-list))
-
-
- (defun other-frame (arg)
- "Select the ARG'th different visible frame, and raise it.
- All frames are arranged in a cyclic order.
- This command selects the frame ARG steps away in that order.
- A negative ARG moves in the opposite order."
- (interactive "p")
- (let ((frame (selected-frame)))
- (while (> arg 0)
- (setq frame (next-frame frame))
- (while (not (eq (frame-visible-p frame) t))
- (setq frame (next-frame frame)))
- (setq arg (1- arg)))
- (while (< arg 0)
- (setq frame (previous-frame frame))
- (while (not (eq (frame-visible-p frame) t))
- (setq frame (previous-frame frame)))
- (setq arg (1+ arg)))
- (raise-frame frame)
- (select-frame frame)
- (set-mouse-position (selected-frame) (1- (frame-width)) 0)
- (if (fboundp 'unfocus-frame)
- (unfocus-frame))))
-
- ;;;; Frame configurations
-
- (defun current-frame-configuration ()
- "Return a list describing the positions and states of all frames.
- Its car is `frame-configuration'.
- Each element of the cdr is a list of the form (FRAME ALIST WINDOW-CONFIG),
- where
- FRAME is a frame object,
- ALIST is an association list specifying some of FRAME's parameters, and
- WINDOW-CONFIG is a window configuration object for FRAME."
- (cons 'frame-configuration
- (mapcar (function
- (lambda (frame)
- (list frame
- (frame-parameters frame)
- (current-window-configuration frame))))
- (frame-list))))
-
- (defun set-frame-configuration (configuration &optional nodelete)
- "Restore the frames to the state described by CONFIGURATION.
- Each frame listed in CONFIGURATION has its position, size, window
- configuration, and other parameters set as specified in CONFIGURATION.
- Ordinarily, this function deletes all existing frames not
- listed in CONFIGURATION. But if optional second argument NODELETE
- is given and non-nil, the unwanted frames are iconified instead."
- (or (frame-configuration-p configuration)
- (signal 'wrong-type-argument
- (list 'frame-configuration-p configuration)))
- (let ((config-alist (cdr configuration))
- frames-to-delete)
- (mapcar (function
- (lambda (frame)
- (let ((parameters (assq frame config-alist)))
- (if parameters
- (progn
- (modify-frame-parameters
- frame
- ;; Since we can't set a frame's minibuffer status,
- ;; we might as well omit the parameter altogether.
- (let* ((parms (nth 1 parameters))
- (mini (assq 'minibuffer parms)))
- (if mini (setq parms (delq mini parms)))
- parms))
- (set-window-configuration (nth 2 parameters)))
- (setq frames-to-delete (cons frame frames-to-delete))))))
- (frame-list))
- (if nodelete
- ;; Note: making frames invisible here was tried
- ;; but led to some strange behavior--each time the frame
- ;; was made visible again, the window manager asked afresh
- ;; for where to put it.
- (mapcar 'iconify-frame frames-to-delete)
- (mapcar 'delete-frame frames-to-delete))))
-
- ;;;; Convenience functions for accessing and interactively changing
- ;;;; frame parameters.
-
- (defun frame-height (&optional frame)
- "Return number of lines available for display on FRAME.
- If FRAME is omitted, describe the currently selected frame."
- (cdr (assq 'height (frame-parameters frame))))
-
- (defun frame-width (&optional frame)
- "Return number of columns available for display on FRAME.
- If FRAME is omitted, describe the currently selected frame."
- (cdr (assq 'width (frame-parameters frame))))
-
- (defun set-default-font (font-name)
- "Set the font of the selected frame to FONT.
- When called interactively, prompt for the name of the font to use."
- (interactive "sFont name: ")
- (modify-frame-parameters (selected-frame)
- (list (cons 'font font-name)))
- ;; Update faces that want a bold or italic version of the default font.
- (frame-update-faces (selected-frame)))
-
- (defun set-background-color (color-name)
- "Set the background color of the selected frame to COLOR.
- When called interactively, prompt for the name of the color to use."
- (interactive "sColor: ")
- (modify-frame-parameters (selected-frame)
- (list (cons 'background-color color-name)))
- (frame-update-face-colors (selected-frame)))
-
- (defun set-foreground-color (color-name)
- "Set the foreground color of the selected frame to COLOR.
- When called interactively, prompt for the name of the color to use."
- (interactive "sColor: ")
- (modify-frame-parameters (selected-frame)
- (list (cons 'foreground-color color-name)))
- (frame-update-face-colors (selected-frame)))
-
- (defun set-cursor-color (color-name)
- "Set the text cursor color of the selected frame to COLOR.
- When called interactively, prompt for the name of the color to use."
- (interactive "sColor: ")
- (modify-frame-parameters (selected-frame)
- (list (cons 'cursor-color color-name))))
-
- (defun set-mouse-color (color-name)
- "Set the color of the mouse pointer of the selected frame to COLOR.
- When called interactively, prompt for the name of the color to use."
- (interactive "sColor: ")
- (modify-frame-parameters (selected-frame)
- (list (cons 'mouse-color color-name))))
-
- (defun set-border-color (color-name)
- "Set the color of the border of the selected frame to COLOR.
- When called interactively, prompt for the name of the color to use."
- (interactive "sColor: ")
- (modify-frame-parameters (selected-frame)
- (list (cons 'border-color color-name))))
-
- (defun auto-raise-mode (arg)
- "Toggle whether or not the selected frame should auto-raise.
- With arg, turn auto-raise mode on if and only if arg is positive.
- Note that this controls Emacs's own auto-raise feature.
- Some window managers allow you to enable auto-raise for certain windows.
- You can use that for Emacs windows if you wish, but if you do,
- that is beyond the control of Emacs and this command has no effect on it."
- (interactive "P")
- (if (null arg)
- (setq arg
- (if (cdr (assq 'auto-raise (frame-parameters (selected-frame))))
- -1 1)))
- (modify-frame-parameters (selected-frame)
- (list (cons 'auto-raise (> arg 0)))))
-
- (defun auto-lower-mode (arg)
- "Toggle whether or not the selected frame should auto-lower.
- With arg, turn auto-lower mode on if and only if arg is positive.
- Note that this controls Emacs's own auto-lower feature.
- Some window managers allow you to enable auto-lower for certain windows.
- You can use that for Emacs windows if you wish, but if you do,
- that is beyond the control of Emacs and this command has no effect on it."
- (interactive "P")
- (if (null arg)
- (setq arg
- (if (cdr (assq 'auto-lower (frame-parameters (selected-frame))))
- -1 1)))
- (modify-frame-parameters (selected-frame)
- (list (cons 'auto-lower (> arg 0)))))
-
- (defun toggle-scroll-bar (arg)
- "Toggle whether or not the selected frame has vertical scroll bars.
- With arg, turn vertical scroll bars on if and only if arg is positive."
- (interactive "P")
- (if (null arg)
- (setq arg
- (if (cdr (assq 'vertical-scroll-bars
- (frame-parameters (selected-frame))))
- -1 1)))
- (modify-frame-parameters (selected-frame)
- (list (cons 'vertical-scroll-bars (> arg 0)))))
-
- (defun toggle-horizontal-scroll-bar (arg)
- "Toggle whether or not the selected frame has horizontal scroll bars.
- With arg, turn horizontal scroll bars on if and only if arg is positive.
- Horizontal scroll bars aren't implemented yet."
- (interactive "P")
- (error "Horizontal scroll bars aren't implemented yet"))
-
-
- ;;;; Aliases for backward compatibility with Emacs 18.
- (defalias 'screen-height 'frame-height)
- (defalias 'screen-width 'frame-width)
-
- (defun set-screen-width (cols &optional pretend)
- "Obsolete function to change the size of the screen to COLS columns.\n\
- Optional second arg non-nil means that redisplay should use COLS columns\n\
- but that the idea of the actual width of the frame should not be changed.\n\
- This function is provided only for compatibility with Emacs 18; new code\n\
- should use `set-frame-width instead'."
- (set-frame-width (selected-frame) cols pretend))
-
- (defun set-screen-height (lines &optional pretend)
- "Obsolete function to change the height of the screen to LINES lines.\n\
- Optional second arg non-nil means that redisplay should use LINES lines\n\
- but that the idea of the actual height of the screen should not be changed.\n\
- This function is provided only for compatibility with Emacs 18; new code\n\
- should use `set-frame-width' instead."
- (set-frame-height (selected-frame) lines pretend))
-
- (make-obsolete 'screen-height 'frame-height)
- (make-obsolete 'screen-width 'frame-width)
- (make-obsolete 'set-screen-width 'set-frame-width)
- (make-obsolete 'set-screen-height 'set-frame-height)
-
-
- ;;;; Key bindings
- (defvar ctl-x-5-map (make-sparse-keymap)
- "Keymap for frame commands.")
- (defalias 'ctl-x-5-prefix ctl-x-5-map)
- (define-key ctl-x-map "5" 'ctl-x-5-prefix)
-
- (define-key ctl-x-5-map "2" 'make-frame-command)
- (define-key ctl-x-5-map "0" 'delete-frame)
- (define-key ctl-x-5-map "o" 'other-frame)
-
- (provide 'frame)
-
- ;;; frame.el ends here
-