;;; frame.el --- multi-frame management independent of window systems
-;; Copyright (C) 1993, 1994, 1996, 1997, 2000, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1993-1994, 1996-1997, 2000-2011
+;; Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
+;; Package: emacs
;; This file is part of GNU Emacs.
(defvar window-system-default-frame-alist nil
"Alist of window-system dependent default frame parameters.
-You can set this in your init file; for example,
-
- ;; Disable menubar and toolbar on the console, but enable them under X.
- (setq window-system-default-frame-alist
- '((x (menu-bar-lines . 1) (tool-bar-lines . 1))
- (nil (menu-bar-lines . 0) (tool-bar-lines . 0))))
-
Parameters specified here supersede the values given in
`default-frame-alist'.")
React to settings of `initial-frame-alist',
`window-system-default-frame-alist' and `default-frame-alist'
there (in decreasing order of priority)."
- ;; Make menu-bar-mode and default-frame-alist consistent.
- (when (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)))))
-
- ;; Make tool-bar-mode and default-frame-alist consistent. Don't do
- ;; it in batch mode since that would leave a tool-bar-lines
- ;; parameter in default-frame-alist in a dumped Emacs, which is not
- ;; what we want.
- (when (and (boundp 'tool-bar-mode)
- (not noninteractive))
- (let ((default (assq 'tool-bar-lines default-frame-alist)))
- (if default
- (setq tool-bar-mode (not (eq (cdr default) 0)))
- ;; If Emacs was started on a tty, changing default-frame-alist
- ;; would disable the toolbar on X frames created later. We
- ;; want to keep the default of showing a toolbar under X even
- ;; in this case.
- ;;
- ;; If the user explicitly called `tool-bar-mode' in .emacs,
- ;; then default-frame-alist is already changed anyway.
- (when initial-window-system
- (setq default-frame-alist
- (cons (cons 'tool-bar-lines (if tool-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
(null frame-initial-frame))
;; This case happens when we don't have a window system, and
;; also for MS-DOS frames.
- (let ((parms (frame-parameters frame-initial-frame)))
+ (let ((parms (frame-parameters)))
;; Don't change the frame names.
(setq parms (delq (assq 'name parms) parms))
;; Can't modify the minibuffer parameter, so don't try.
(setq parms (delq (assq 'minibuffer parms) parms))
- (modify-frame-parameters nil
- (if (null initial-window-system)
- (append initial-frame-alist
- window-system-frame-alist
- default-frame-alist
- parms
- nil)
- ;; initial-frame-alist and
- ;; default-frame-alist were already
- ;; applied in pc-win.el.
- parms))
+ (modify-frame-parameters
+ nil
+ (if initial-window-system
+ parms
+ ;; initial-frame-alist and default-frame-alist were already
+ ;; applied in pc-win.el.
+ (append initial-frame-alist window-system-frame-alist
+ default-frame-alist parms nil)))
(if (null initial-window-system) ;; MS-DOS does this differently in pc-win.el
(let ((newparms (frame-parameters))
(frame (selected-frame)))
;; 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)))
+ (let (newval oldval)
+ (dolist (entry tail)
+ (setq oldval (assq (car entry) frame-initial-frame-alist))
+ (setq newval (cdr (assq (car entry) allparms)))
(or (and oldval (eq (cdr oldval) newval))
(setq newparms
- (cons (cons (car (car tail)) newval) newparms))))
- (setq tail (cdr tail)))
+ (cons (cons (car entry) newval) newparms)))))
(setq newparms (nreverse newparms))
- (modify-frame-parameters frame-initial-frame
- newparms)
- ;; If we changed the background color,
- ;; we need to update the background-mode parameter
- ;; and maybe some faces too.
- (when (assq 'background-color newparms)
- (unless (assq 'background-mode newparms)
- (frame-set-background-mode frame-initial-frame))
- (face-set-after-frame-default frame-initial-frame)))))
+
+ (let ((new-bg (assq 'background-color newparms)))
+ ;; If the `background-color' parameter is changed, apply
+ ;; it first, then make sure that the `background-mode'
+ ;; parameter and other faces are updated, before applying
+ ;; the other parameters.
+ (when new-bg
+ (modify-frame-parameters frame-initial-frame
+ (list new-bg))
+ (unless (assq 'background-mode newparms)
+ (frame-set-background-mode frame-initial-frame))
+ (face-set-after-frame-default frame-initial-frame)
+ (setq newparms (delq new-bg newparms)))
+ (modify-frame-parameters frame-initial-frame newparms)))))
;; Restore the original buffer.
(set-buffer old-buffer)
(defun make-frame (&optional parameters)
"Return a newly created frame displaying the current buffer.
-Optional argument PARAMETERS is an alist of parameters for the new frame.
-Each element of PARAMETERS should have the form (NAME . VALUE), for example:
+Optional argument PARAMETERS is an alist of frame parameters for
+the new frame. Each element of PARAMETERS should have the
+form (NAME . VALUE), for example:
(name . STRING) The frame should be named STRING.
(width . NUMBER) The frame should be NUMBER characters in width.
(height . NUMBER) The frame should be NUMBER text lines high.
-You cannot specify either `width' or `height', you must use neither or both.
+You cannot specify either `width' or `height', you must specify
+neither or both.
(minibuffer . t) The frame should have a minibuffer.
(minibuffer . nil) The frame should have no minibuffer.
(terminal . TERMINAL) The frame should use the terminal object TERMINAL.
-Before the frame is created (via `frame-creation-function-alist'), functions on the
-hook `before-make-frame-hook' are run. After the frame is created, functions
-on `after-make-frame-functions' are run with one arg, the newly created frame.
+In addition, any parameter specified in `default-frame-alist',
+but not present in PARAMETERS, is applied.
+
+Before creating the frame (via `frame-creation-function-alist'),
+this function runs the hook `before-make-frame-hook'. After
+creating the frame, it runs the hook `after-make-frame-functions'
+with one arg, the newly created frame.
-This function itself does not make the new frame the selected frame.
-The previously selected frame remains selected. However, the
-window system may select the new frame for its own reasons, for
-instance if the frame appears under the mouse pointer and your
-setup is for focus to follow the pointer."
+On graphical displays, this function does not itself make the new
+frame the selected frame. However, the window system may select
+the new frame according to its own rules."
(interactive)
(let* ((w (cond
((assq 'terminal parameters)
(t window-system)))
(frame-creation-function (cdr (assq w frame-creation-function-alist)))
(oldframe (selected-frame))
+ (params parameters)
frame)
(unless frame-creation-function
(error "Don't know how to create a frame on window system %s" w))
+ ;; Add parameters from `window-system-default-frame-alist'.
+ (dolist (p (cdr (assq w window-system-default-frame-alist)))
+ (unless (assq (car p) params)
+ (push p params)))
+ ;; Add parameters from `default-frame-alist'.
+ (dolist (p default-frame-alist)
+ (unless (assq (car p) params)
+ (push p params)))
+ ;; Now make the frame.
(run-hooks 'before-make-frame-hook)
- (setq frame
- (funcall frame-creation-function
- (append parameters
- (cdr (assq w window-system-default-frame-alist)))))
+ (setq frame (funcall frame-creation-function params))
(normal-erase-is-backspace-setup-frame frame)
;; Inherit the original frame's parameters.
(dolist (param frame-inherited-parameters)
(t (suspend-emacs)))))
(defun make-frame-names-alist ()
+ ;; Only consider the frames on the same display.
(let* ((current-frame (selected-frame))
(falist
(cons
(cons (frame-parameter current-frame 'name) current-frame) nil))
- (frame (next-frame nil t)))
+ (frame (next-frame nil 0)))
(while (not (eq frame current-frame))
(progn
- (setq falist (cons (cons (frame-parameter frame 'name) frame) falist))
- (setq frame (next-frame frame t))))
+ (push (cons (frame-parameter frame 'name) frame) falist)
+ (setq frame (next-frame frame 0))))
falist))
(defvar frame-name-history nil)
"Set the background color of the selected frame to COLOR-NAME.
When called interactively, prompt for the name of the color to use.
To get the frame's current background color, use `frame-parameters'."
- (interactive (list (facemenu-read-color "Background color: ")))
+ (interactive (list (read-color "Background color: ")))
(modify-frame-parameters (selected-frame)
(list (cons 'background-color color-name)))
(or window-system
"Set the foreground color of the selected frame to COLOR-NAME.
When called interactively, prompt for the name of the color to use.
To get the frame's current foreground color, use `frame-parameters'."
- (interactive (list (facemenu-read-color "Foreground color: ")))
+ (interactive (list (read-color "Foreground color: ")))
(modify-frame-parameters (selected-frame)
(list (cons 'foreground-color color-name)))
(or window-system
"Set the text cursor color of the selected frame to COLOR-NAME.
When called interactively, prompt for the name of the color to use.
To get the frame's current cursor color, use `frame-parameters'."
- (interactive (list (facemenu-read-color "Cursor color: ")))
+ (interactive (list (read-color "Cursor color: ")))
(modify-frame-parameters (selected-frame)
(list (cons 'cursor-color color-name))))
"Set the color of the mouse pointer of the selected frame to COLOR-NAME.
When called interactively, prompt for the name of the color to use.
To get the frame's current mouse color, use `frame-parameters'."
- (interactive (list (facemenu-read-color "Mouse color: ")))
+ (interactive (list (read-color "Mouse color: ")))
(modify-frame-parameters (selected-frame)
(list (cons 'mouse-color
(or color-name
"Set the color of the border of the selected frame to COLOR-NAME.
When called interactively, prompt for the name of the color to use.
To get the frame's current border color, use `frame-parameters'."
- (interactive (list (facemenu-read-color "Border color: ")))
+ (interactive (list (read-color "Border color: ")))
(modify-frame-parameters (selected-frame)
(list (cons 'border-color color-name))))
(defun display-selections-p (&optional display)
"Return non-nil if DISPLAY supports selections.
A selection is a way to transfer text or other data between programs
-via special system buffers called `selection' or `cut buffer' or
-`clipboard'.
+via special system buffers called `selection' or `clipboard'.
DISPLAY can be a display name, a frame, or nil (meaning the selected
frame's display)."
(let ((frame-type (framep-on-display display)))
the opposite frame edge from the edge indicated in the input spec."
(cons (car spec) (frame-geom-value-cons (car spec) (cdr spec))))
\f
-;;;; Aliases for backward compatibility with Emacs 18.
-(define-obsolete-function-alias 'screen-height 'frame-height "19.7")
-(define-obsolete-function-alias 'screen-width 'frame-width "19.7")
-
-(defun set-screen-width (cols &optional pretend)
- "Change the size of the screen to COLS columns.
-Optional second arg non-nil means that redisplay should use COLS columns
-but that the idea of the actual width of the frame should not be changed.
-This function is provided only for compatibility with Emacs 18."
- (set-frame-width (selected-frame) cols pretend))
-
-(defun set-screen-height (lines &optional pretend)
- "Change the height of the screen to LINES lines.
-Optional second arg non-nil means that redisplay should use LINES lines
-but that the idea of the actual height of the screen should not be changed.
-This function is provided only for compatibility with Emacs 18."
- (set-frame-height (selected-frame) lines pretend))
(defun delete-other-frames (&optional frame)
"Delete all frames except FRAME.
(when (eq (frame-parameter frame 'minibuffer) 'only)
(delete-frame frame)))))
-(make-obsolete 'set-screen-width 'set-frame-width "19.7")
-(make-obsolete 'set-screen-height 'set-frame-height "19.7")
-
;; miscellaneous obsolescence declarations
(define-obsolete-variable-alias 'delete-frame-hook
'delete-frame-functions "22.1")
(make-variable-buffer-local 'show-trailing-whitespace)
-(defcustom show-trailing-whitespace nil
- "Non-nil means highlight trailing whitespace.
-This is done in the face `trailing-whitespace'."
- :type 'boolean
- :safe 'booleanp
- :group 'whitespace-faces)
-
-
\f
;; Scrolling
:version "21.1"
:group 'frames)
-(defcustom auto-hscroll-mode t
- "Allow or disallow automatic scrolling windows horizontally.
-If non-nil, windows are automatically scrolled horizontally to make
-point visible."
- :version "21.1"
- :type 'boolean
- :group 'scrolling)
(defvaralias 'automatic-hscrolling 'auto-hscroll-mode)
\f
:init-value (not (or noninteractive
no-blinking-cursor
(eq system-type 'ms-dos)
- (not (memq window-system '(x w32)))))
+ (not (memq window-system '(x w32 ns)))))
:initialize 'custom-initialize-delay
:group 'cursor
:global t
'blink-cursor-start))))
(define-obsolete-variable-alias 'blink-cursor 'blink-cursor-mode "22.1")
-\f
-;; Hourglass pointer
-
-(defcustom display-hourglass t
- "Non-nil means show an hourglass pointer, when Emacs is busy.
-This feature only works when on a window system that can change
-cursor shapes."
- :type 'boolean
- :group 'cursor)
-
-(defcustom hourglass-delay 1
- "Seconds to wait before displaying an hourglass pointer when Emacs is busy."
- :type 'number
- :group 'cursor)
-
-\f
-(defcustom cursor-in-non-selected-windows t
- "Non-nil means show a hollow box cursor in non-selected windows.
-If nil, don't show a cursor except in the selected window.
-If t, display a cursor related to the usual cursor type
- \(a solid box becomes hollow, a bar becomes a narrower bar).
-You can also specify the cursor type as in the `cursor-type' variable.
-Use Custom to set this variable to get the display updated."
- :tag "Cursor In Non-selected Windows"
- :type 'boolean
- :group 'cursor
- :set #'(lambda (symbol value)
- (set-default symbol value)
- (force-mode-line-update t)))
\f
;;;; Key bindings
(provide 'frame)
-;; arch-tag: 82979c70-b8f2-4306-b2ad-ddbd6b328b56
;;; frame.el ends here
HCoop / bpt / emacs.git / blobdiff