+++ /dev/null
-;;; cus-face.el -- XEmacs specific custom support.
-;;
-;; Copyright (C) 1996, 1997 Free Software Foundation, Inc.
-;;
-;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
-;; Keywords: help, faces
-;; Version: 1.82
-;; X-URL: http://www.dina.kvl.dk/~abraham/custom/
-
-;;; Commentary:
-;;
-;; See `custom.el'.
-
-;;; Code:
-
-(require 'custom)
-
-(eval-and-compile (require 'cl))
-
-;;; Compatibility.
-
-(if (string-match "XEmacs" emacs-version)
- (defun custom-face-background (face &optional frame)
- ;; Specifiers suck!
- "Return the background color name of face FACE, or nil if unspecified."
- (color-instance-name (specifier-instance (face-background face) frame)))
- (defalias 'custom-face-background 'face-background))
-
-(if (string-match "XEmacs" emacs-version)
- (defun custom-face-foreground (face &optional frame)
- ;; Specifiers suck!
- "Return the background color name of face FACE, or nil if unspecified."
- (color-instance-name (specifier-instance (face-foreground face) frame)))
- (defalias 'custom-face-foreground 'face-foreground))
-
-(defalias 'custom-face-font-name (if (string-match "XEmacs" emacs-version)
- 'face-font-name
- 'face-font))
-
-(eval-and-compile
- (unless (fboundp 'frame-property)
- ;; XEmacs function missing in Emacs.
- (defun frame-property (frame property &optional default)
- "Return FRAME's value for property PROPERTY."
- (or (cdr (assq property (frame-parameters frame)))
- default)))
-
- (unless (fboundp 'face-doc-string)
- ;; XEmacs function missing in Emacs.
- (defun face-doc-string (face)
- "Get the documentation string for FACE."
- (get face 'face-documentation)))
-
- (unless (fboundp 'set-face-doc-string)
- ;; XEmacs function missing in Emacs.
- (defun set-face-doc-string (face string)
- "Set the documentation string for FACE to STRING."
- (put face 'face-documentation string))))
-
-(unless (fboundp 'x-color-values)
- ;; Emacs function missing in XEmacs 19.14.
- (defun x-color-values (color &optional frame)
- "Return a description of the color named COLOR on frame FRAME.
-The value is a list of integer RGB values--(RED GREEN BLUE).
-These values appear to range from 0 to 65280 or 65535, depending
-on the system; white is (65280 65280 65280) or (65535 65535 65535).
-If FRAME is omitted or nil, use the selected frame."
- (color-instance-rgb-components (make-color-instance color))))
-
-;; XEmacs and Emacs have different definitions of `facep'.
-;; The Emacs definition is the useful one, so emulate that.
-(cond ((not (fboundp 'facep))
- (defun custom-facep (face)
- "No faces"
- nil))
- ((string-match "XEmacs" emacs-version)
- (defalias 'custom-facep 'find-face))
- (t
- (defalias 'custom-facep 'facep)))
-
-(unless (fboundp 'make-empty-face)
- ;; This should be moved to `faces.el'.
- (if (string-match "XEmacs" emacs-version)
- ;; Give up for old XEmacs pre 19.15/20.1.
- (defalias 'make-empty-face 'make-face)
- ;; Define for Emacs pre 19.35.
- (defun make-empty-face (name)
- "Define a new FACE on all frames, ignoring X resources."
- (interactive "SMake face: ")
- (or (internal-find-face name)
- (let ((face (make-vector 8 nil)))
- (aset face 0 'face)
- (aset face 1 name)
- (let* ((frames (frame-list))
- (inhibit-quit t)
- (id (internal-next-face-id)))
- (make-face-internal id)
- (aset face 2 id)
- (while frames
- (set-frame-face-alist (car frames)
- (cons (cons name (copy-sequence face))
- (frame-face-alist (car frames))))
- (setq frames (cdr frames)))
- (setq global-face-data (cons (cons name face) global-face-data)))
- ;; add to menu
- (if (fboundp 'facemenu-add-new-face)
- (facemenu-add-new-face name))
- face))
- name)))
-
-(defcustom initialize-face-resources t
- "If non nil, allow X resources to initialize face properties.
-This only affects faces declared with `defface', and only NT or X11 frames."
- :group 'customize
- :type 'boolean)
-
-(cond ((fboundp 'initialize-face-resources)
- ;; Already bound, do nothing.
- )
- ((fboundp 'make-face-x-resource-internal)
- ;; Emacs or new XEmacs.
- (defun initialize-face-resources (face &optional frame)
- "Initialize face according to the X11 resources.
-This might overwrite existing face properties.
-Does nothing when the variable initialize-face-resources is nil."
- (when initialize-face-resources
- (make-face-x-resource-internal face frame t))))
- (t
- ;; Too hard to do right on XEmacs.
- (defalias 'initialize-face-resources 'ignore)))
-
-;;(if (string-match "XEmacs" emacs-version)
-;; ;; Xemacs.
-;; (defun custom-invert-face (face &optional frame)
-;; "Swap the foreground and background colors of face FACE.
-;;If the colors are not specified in the face, use the default colors."
-;; (interactive (list (read-face-name "Reverse face: ")))
-;; (let ((fg (color-name (face-foreground face frame) frame))
-;; (bg (color-name (face-background face frame) frame)))
-;; (set-face-foreground face bg frame)
-;; (set-face-background face fg frame)))
-;; ;; Emacs.
-;; (defun custom-invert-face (face &optional frame)
-;; "Swap the foreground and background colors of face FACE.
-;;If the colors are not specified in the face, use the default colors."
-;; (interactive (list (read-face-name "Reverse face: ")))
-;; (let ((fg (or (face-foreground face frame)
-;; (face-foreground 'default frame)
-;; (frame-property (or frame (selected-frame))
-;; 'foreground-color)
-;; "black"))
-;; (bg (or (face-background face frame)
-;; (face-background 'default frame)
-;; (frame-property (or frame (selected-frame))
-;; 'background-color)
-;; "white")))
-;; (set-face-foreground face bg frame)
-;; (set-face-background face fg frame))))
-
-(defcustom custom-background-mode nil
- "The brightness of the background.
-Set this to the symbol dark if your background color is dark, light if
-your background is light, or nil (default) if you want Emacs to
-examine the brightness for you."
- :group 'customize
- :type '(choice (choice-item dark)
- (choice-item light)
- (choice-item :tag "default" nil)))
-
-(defun custom-background-mode (frame)
- "Kludge to detect background mode for FRAME."
- (let* ((bg-resource
- (condition-case ()
- (x-get-resource ".backgroundMode" "BackgroundMode" 'string)
- (error nil)))
- color
- (mode (cond (bg-resource
- (intern (downcase bg-resource)))
- ((and (setq color (condition-case ()
- (or (frame-property
- frame
- 'background-color)
- (custom-face-background
- 'default))
- (error nil)))
- (or (string-match "XEmacs" emacs-version)
- window-system)
- (< (apply '+ (x-color-values color))
- (/ (apply '+ (x-color-values "white"))
- 3)))
- 'dark)
- (t 'light))))
- (modify-frame-parameters frame (list (cons 'background-mode mode)))
- mode))
-
-(eval-and-compile
- (if (string-match "XEmacs" emacs-version)
- ;; XEmacs.
- (defun custom-extract-frame-properties (frame)
- "Return a plist with the frame properties of FRAME used by custom."
- (list 'type (device-type (frame-device frame))
- 'class (device-class (frame-device frame))
- 'background (or custom-background-mode
- (frame-property frame
- 'background-mode)
- (custom-background-mode frame))))
- ;; Emacs.
- (defun custom-extract-frame-properties (frame)
- "Return a plist with the frame properties of FRAME used by custom."
- (list 'type window-system
- 'class (frame-property frame 'display-type)
- 'background (or custom-background-mode
- (frame-property frame 'background-mode)
- (custom-background-mode frame))))))
-
-;;; Declaring a face.
-
-;;;###autoload
-(defun custom-declare-face (face spec doc &rest args)
- "Like `defface', but FACE is evaluated as a normal argument."
- (when (fboundp 'load-gc)
- ;; This should be allowed, somehow.
- (error "Attempt to declare a face during dump"))
- (unless (get face 'factory-face)
- (put face 'factory-face spec)
- (when (fboundp 'facep)
- (unless (custom-facep face)
- ;; If the user has already created the face, respect that.
- (let ((value (or (get face 'saved-face) spec))
- (frames (custom-relevant-frames))
- frame)
- ;; Create global face.
- (make-empty-face face)
- (custom-face-display-set face value)
- ;; Create frame local faces
- (while frames
- (setq frame (car frames)
- frames (cdr frames))
- (custom-face-display-set face value frame))
- (initialize-face-resources face))))
- (when (and doc (null (face-doc-string face)))
- (set-face-doc-string face doc))
- (custom-handle-all-keywords face args 'custom-face)
- (run-hooks 'custom-define-hook))
- face)
-
-;;; Font Attributes.
-
-(defconst custom-face-attributes
- '((:bold (toggle :format "Bold: %[%v%]\n"
- :help-echo "Control whether a bold font should be used.")
- custom-set-face-bold
- custom-face-bold)
- (:italic (toggle :format "Italic: %[%v%]\n"
- :help-echo "\
-Control whether an italic font should be used.")
- custom-set-face-italic
- custom-face-italic)
- (:underline (toggle :format "Underline: %[%v%]\n"
- :help-echo "\
-Control whether the text should be underlined.")
- set-face-underline-p
- face-underline-p)
- (:foreground (color :tag "Foreground"
- :value "black"
- :help-echo "Set foreground color.")
- set-face-foreground
- custom-face-foreground)
- (:background (color :tag "Background"
- :value "white"
- :help-echo "Set background color.")
- set-face-background
- custom-face-background)
- ;; (:invert (const :format "Invert Face\n"
- ;; :sibling-args (:help-echo "
- ;;Reverse the foreground and background color.
- ;;If you haven't specified them for the face, the default colors will be used.")
- ;; t)
- ;; (lambda (face value &optional frame)
- ;; ;; We don't use VALUE.
- ;; (custom-invert-face face frame)))
- (:stipple (editable-field :format "Stipple: %v"
- :help-echo "Name of background bitmap file.")
- set-face-stipple custom-face-stipple))
- "Alist of face attributes.
-
-The elements are of the form (KEY TYPE SET GET) where KEY is a symbol
-identifying the attribute, TYPE is a widget type for editing the
-attibute, SET is a function for setting the attribute value, and GET is a function for getiing the attribute value.
-
-The SET function should take three arguments, the face to modify, the
-value of the attribute, and optionally the frame where the face should
-be changed.
-
-The GET function should take two arguments, the face to examine, and
-optonally the frame where the face should be examined.")
-
-(defun custom-face-attributes-set (face frame &rest atts)
- "For FACE on FRAME set the attributes [KEYWORD VALUE]....
-Each keyword should be listed in `custom-face-attributes'.
-
-If FRAME is nil, set the default face."
- (while atts
- (let* ((name (nth 0 atts))
- (value (nth 1 atts))
- (fun (nth 2 (assq name custom-face-attributes))))
- (setq atts (cdr (cdr atts)))
- (condition-case nil
- (funcall fun face value frame)
- (error nil)))))
-
-(defun custom-face-attributes-get (face frame)
- "For FACE on FRAME get the attributes [KEYWORD VALUE]....
-Each keyword should be listed in `custom-face-attributes'.
-
-If FRAME is nil, use the default face."
- (condition-case nil
- ;; Attempt to get `font.el' from w3.
- (require 'font)
- (error nil))
- (let ((atts custom-face-attributes)
- att result get)
- (while atts
- (setq att (car atts)
- atts (cdr atts)
- get (nth 3 att))
- (when get
- (let ((answer (funcall get face frame)))
- (unless (equal answer (funcall get 'default frame))
- (when (widget-apply (nth 1 att) :match answer)
- (setq result (cons (nth 0 att) (cons answer result))))))))
- result))
-
-(defun custom-set-face-bold (face value &optional frame)
- "Set the bold property of FACE to VALUE."
- (if value
- (make-face-bold face frame)
- (make-face-unbold face frame)))
-
-(defun custom-face-bold (face &rest args)
- "Return non-nil if the font of FACE is bold."
- (let* ((font (apply 'custom-face-font-name face args))
- (fontobj (font-create-object font)))
- (font-bold-p fontobj)))
-
-(defun custom-set-face-italic (face value &optional frame)
- "Set the italic property of FACE to VALUE."
- (if value
- (make-face-italic face frame)
- (make-face-unitalic face frame)))
-
-(defun custom-face-italic (face &rest args)
- "Return non-nil if the font of FACE is italic."
- (let* ((font (apply 'custom-face-font-name face args))
- (fontobj (font-create-object font)))
- (font-italic-p fontobj)))
-
-(defun custom-face-stipple (face &rest args)
- "Return the name of the stipple file used for FACE."
- (if (string-match "XEmacs" emacs-version)
- (let ((image (apply 'specifier-instance
- (face-background-pixmap face) args)))
- (when image
- (image-instance-file-name image)))
- (apply 'face-stipple face args)))
-
-(when (string-match "XEmacs" emacs-version)
- ;; Support for special XEmacs font attributes.
- (autoload 'font-create-object "font" nil)
-
- (defun custom-set-face-font-size (face size &rest args)
- "Set the font of FACE to SIZE"
- (let* ((font (apply 'custom-face-font-name face args))
- (fontobj (font-create-object font)))
- (set-font-size fontobj size)
- (apply 'font-set-face-font face fontobj args)))
-
- (defun custom-face-font-size (face &rest args)
- "Return the size of the font of FACE as a string."
- (let* ((font (apply 'custom-face-font-name face args))
- (fontobj (font-create-object font)))
- (format "%d" (font-size fontobj))))
-
- (defun custom-set-face-font-family (face family &rest args)
- "Set the font of FACE to FAMILY."
- (let* ((font (apply 'custom-face-font-name face args))
- (fontobj (font-create-object font)))
- (set-font-family fontobj family)
- (apply 'font-set-face-font face fontobj args)))
-
- (defun custom-face-font-family (face &rest args)
- "Return the name of the font family of FACE."
- (let* ((font (apply 'custom-face-font-name face args))
- (fontobj (font-create-object font)))
- (font-family fontobj)))
-
- (setq custom-face-attributes
- (append '((:family (editable-field :format "Font Family: %v"
- :help-echo "\
-Name of font family to use (e.g. times).")
- custom-set-face-font-family
- custom-face-font-family)
- (:size (editable-field :format "Size: %v"
- :help-echo "\
-Text size (e.g. 9pt or 2mm).")
- custom-set-face-font-size
- custom-face-font-size)
- (:strikethru (toggle :format "Strikethru: %[%v%]\n"
- :help-echo "\
-Control whether the text should be strikethru.")
- set-face-strikethru-p
- face-strikethru-p))
- custom-face-attributes)))
-
-;;; Frames.
-
-(defun custom-face-display-set (face spec &optional frame)
- "Set FACE to the attributes to the first matching entry in SPEC.
-Iff optional FRAME is non-nil, set it for that frame only.
-See `defface' for information about SPEC."
- (when (fboundp 'make-face)
- (while spec
- (let* ((entry (car spec))
- (display (nth 0 entry))
- (atts (nth 1 entry)))
- (setq spec (cdr spec))
- (when (custom-display-match-frame display frame)
- ;; Avoid creating frame local duplicates of the global face.
- (unless (and frame (eq display (get face 'custom-face-display)))
- (apply 'custom-face-attributes-set face frame atts))
- (unless frame
- (put face 'custom-face-display display))
- (setq spec nil))))))
-
-(defvar custom-default-frame-properties nil
- "The frame properties used for the global faces.
-Frames who doesn't match these propertiess should have frame local faces.
-The value should be nil, if uninitialized, or a plist otherwise.
-See `defface' for a list of valid keys and values for the plist.")
-
-(defun custom-get-frame-properties (&optional frame)
- "Return a plist with the frame properties of FRAME used by custom.
-If FRAME is nil, return the default frame properties."
- (cond (frame
- ;; Try to get from cache.
- (let ((cache (frame-property frame 'custom-properties)))
- (unless cache
- ;; Oh well, get it then.
- (setq cache (custom-extract-frame-properties frame))
- ;; and cache it...
- (modify-frame-parameters frame
- (list (cons 'custom-properties cache))))
- cache))
- (custom-default-frame-properties)
- (t
- (setq custom-default-frame-properties
- (custom-extract-frame-properties (selected-frame))))))
-
-(defun custom-display-match-frame (display frame)
- "Non-nil iff DISPLAY matches FRAME.
-If FRAME is nil, the current FRAME is used."
- ;; This is a kludge to get started, we really should use specifiers!
- (if (eq display t)
- t
- (let* ((props (custom-get-frame-properties frame))
- (type (plist-get props 'type))
- (class (plist-get props 'class))
- (background (plist-get props 'background))
- (match t)
- (entries display)
- entry req options)
- (while (and entries match)
- (setq entry (car entries)
- entries (cdr entries)
- req (car entry)
- options (cdr entry)
- match (cond ((eq req 'type)
- (memq type options))
- ((eq req 'class)
- (memq class options))
- ((eq req 'background)
- (memq background options))
- (t
- (error "Unknown req `%S' with options `%S'"
- req options)))))
- match)))
-
-(defun custom-relevant-frames ()
- "List of frames whose custom properties differ from the default."
- (let ((relevant nil)
- (default (custom-get-frame-properties))
- (frames (frame-list))
- frame)
- (while frames
- (setq frame (car frames)
- frames (cdr frames))
- (unless (equal default (custom-get-frame-properties frame))
- (push frame relevant)))
- relevant))
-
-(defun custom-initialize-faces (&optional frame)
- "Initialize all custom faces for FRAME.
-If FRAME is nil or omitted, initialize them for all frames."
- (mapcar (lambda (symbol)
- (let ((spec (or (get symbol 'saved-face)
- (get symbol 'factory-face))))
- (when spec
- (custom-face-display-set symbol spec frame)
- (initialize-face-resources symbol frame))))
- (face-list)))
-
-;;;###autoload
-(defun custom-initialize-frame (&optional frame)
- "Initialize local faces for FRAME if necessary.
-If FRAME is missing or nil, the first member of (frame-list) is used."
- (unless frame
- (setq frame (car (frame-list))))
- (unless (equal (custom-get-frame-properties)
- (custom-get-frame-properties frame))
- (custom-initialize-faces frame)))
-
-;;; Initializing.
-
-(and (fboundp 'make-face)
- (make-face 'custom-face-empty))
-
-;;;###autoload
-(defun custom-set-faces (&rest args)
- "Initialize faces according to user preferences.
-The arguments should be a list where each entry has the form:
-
- (FACE SPEC [NOW])
-
-SPEC will be stored as the saved value for FACE. If NOW is present
-and non-nil, FACE will also be created according to SPEC.
-
-See `defface' for the format of SPEC."
- (while args
- (let ((entry (car args)))
- (if (listp entry)
- (let ((face (nth 0 entry))
- (spec (nth 1 entry))
- (now (nth 2 entry)))
- (put face 'saved-face spec)
- (when now
- (put face 'force-face t))
- (when (or now (custom-facep face))
- (when (fboundp 'copy-face)
- (copy-face 'custom-face-empty face))
- (custom-face-display-set face spec))
- (setq args (cdr args)))
- ;; Old format, a plist of FACE SPEC pairs.
- (let ((face (nth 0 args))
- (spec (nth 1 args)))
- (put face 'saved-face spec))
- (setq args (cdr (cdr args)))))))
-
-;;; The End.
-
-(provide 'cus-face)
-
-;; cus-face.el ends here