;;; cus-face.el --- customization support for faces
;;
-;; Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
;;
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: help, faces
-;; Version: Emacs
;; This file is part of GNU Emacs.
'((:family
(string :tag "Font Family"
:help-echo "Font family or fontset alias name."))
-
+
(:width
(choice :tag "Width"
:help-echo "Font width."
(const :tag "ultracondensed" ultra-condensed)
(const :tag "ultraexpanded" ultra-expanded)
(const :tag "wide" extra-expanded)))
-
+
(:height
(choice :tag "Height"
:help-echo "Face's font height."
(const :tag "semilight" semi-light)
(const :tag "ultralight" ultra-light)
(const :tag "ultrabold" ultra-bold)))
-
+
(:slant
(choice :tag "Slant"
:help-echo "Font slant."
(const :tag "italic" italic)
(const :tag "oblique" oblique)
(const :tag "normal" normal)))
-
+
(:underline
(choice :tag "Underline"
:help-echo "Control text underlining."
(const :tag "Off" nil)
(const :tag "On" t)
(color :tag "Colored")))
-
+
(:overline
(choice :tag "Overline"
:help-echo "Control text overlining."
(const :tag "Off" nil)
(const :tag "On" t)
(color :tag "Colored")))
-
+
(:strike-through
(choice :tag "Strike-through"
:help-echo "Control text strike-through."
(const :tag "Off" nil)
(const :tag "On" t)
(color :tag "Colored")))
-
+
(:box
;; Fixme: this can probably be done better.
(choice :tag "Box around text"
(nconc (and lwidth `(:line-width ,lwidth))
(and color `(:color ,color))
(and style `(:style ,style)))))))))
-
+
(:inverse-video
(choice :tag "Inverse-video"
:help-echo "Control whether text should be in inverse-video."
(const :tag "Off" nil)
(const :tag "On" t)))
-
+
(:foreground
(color :tag "Foreground"
:help-echo "Set foreground color."))
-
+
(:background
(color :tag "Background"
:help-echo "Set background color."))
-
+
(:stipple
(choice :tag "Stipple"
:help-echo "Background bit-mask"
(if (and (consp cus-value) (null (cdr cus-value)))
(car cus-value)
cus-value))))
-
+
"Alist of face attributes.
The elements are of the form (KEY TYPE PRE-FILTER POST-FILTER),
being customized, and should return a value suitable for setting the
given face attribute.")
-
(defun custom-face-attributes-get (face frame)
"For FACE on FRAME, return an alternating list describing its attributes.
The list has the form (KEYWORD VALUE KEYWORD VALUE...).
;;;###autoload
(defun custom-set-faces (&rest args)
"Initialize faces according to user preferences.
+This associates the settings with the `user' theme.
+The arguments should be a list where each entry has the form:
+
+ (FACE SPEC [NOW [COMMENT]])
+
+SPEC is stored as the saved value for FACE, as well as the value for the
+`user' theme. The `user' theme is one of the default themes known to Emacs.
+See `custom-known-themes' for more information on the known themes.
+See `custom-theme-set-faces' for more information on the interplay
+between themes and faces.
+See `defface' for the format of SPEC.
+
+If NOW is present and non-nil, FACE is created now, according to SPEC.
+COMMENT is a string comment about FACE."
+ (apply 'custom-theme-set-faces 'user args))
+
+(defun custom-theme-set-faces (theme &rest args)
+ "Initialize faces for theme THEME.
The arguments should be a list where each entry has the form:
(FACE SPEC [NOW [COMMENT]])
-SPEC is stored as the saved value for FACE.
+SPEC is stored as the saved value for FACE, as well as the value for the
+`user' theme. The `user' theme is one of the default themes known to Emacs.
+See `custom-known-themes' for more information on the known themes.
+See `custom-theme-set-faces' for more information on the interplay
+between themes and faces.
+See `defface' for the format of SPEC.
+
If NOW is present and non-nil, FACE is created now, according to SPEC.
COMMENT is a string comment about FACE.
-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))
- (comment (nth 3 entry)))
- (put face 'saved-face spec)
- (put face 'saved-face-comment comment)
- (when now
- (put face 'force-face t))
- (when (or now (facep face))
- (put face 'face-comment comment)
- (make-empty-face face)
- (face-spec-set face spec))
+Several properties of THEME and FACE are used in the process:
+
+If THEME property `theme-immediate' is non-nil, this is equivalent of
+providing the NOW argument to all faces in the argument list: FACE is
+created now. The only difference is FACE property `force-face': if NOW
+is non-nil, FACE property `force-face' is set to the symbol `rogue', else
+if THEME property `theme-immediate' is non-nil, FACE property `force-face'
+is set to the symbol `immediate'.
+
+SPEC itself is saved in FACE property `saved-face' and it is stored in
+FACE's list property `theme-face' \(using `custom-push-theme')."
+ (custom-check-theme theme)
+ (let ((immediate (get theme 'theme-immediate)))
+ (while args
+ (let ((entry (car args)))
+ (if (listp entry)
+ (let ((face (nth 0 entry))
+ (spec (nth 1 entry))
+ (now (nth 2 entry))
+ (comment (nth 3 entry)))
+ (put face 'saved-face spec)
+ (put face 'saved-face-comment comment)
+ (custom-push-theme 'theme-face face theme 'set spec)
+ (when (or now immediate)
+ (put face 'force-face (if now 'rogue 'immediate)))
+ (when (or now immediate (facep face))
+ (unless (facep face)
+ (make-empty-face face))
+ (put face 'face-comment comment)
+ (face-spec-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)))))))
+ (put face 'saved-face spec)
+ (custom-push-theme 'theme-face face theme 'set spec))
+ (setq args (cdr (cdr args))))))))
+
+;;;###autoload
+(defun custom-theme-face-value (face theme)
+ "Return spec of FACE in THEME if THEME modifies FACE.
+Value is nil otherwise. The association between theme and spec for FACE
+is stored in FACE's property `theme-face'. The appropriate face
+is retrieved using `custom-theme-value'."
+ ;; Returns car because the value is stored inside a one element list
+ (car-safe (custom-theme-value theme (get face 'theme-face))))
+
+(defun custom-theme-reset-internal-face (face to-theme)
+ "Reset FACE to the value defined by TO-THEME.
+If FACE is not defined in TO-THEME, reset FACE to the standard
+value. See `custom-theme-face-value'. The standard value is
+stored in SYMBOL's property `face-defface-spec' by `defface'."
+ (let ((spec (custom-theme-face-value face to-theme))
+ was-in-theme)
+ (setq was-in-theme spec)
+ (setq spec (or spec (get face 'face-defface-spec)))
+ (when spec
+ (put face 'save-face was-in-theme)
+ (when (or (get face 'force-face) (facep face))
+ (unless (facep face)
+ (make-empty-face face))
+ (face-spec-set face spec)))
+ spec))
+
+;;;###autoload
+(defun custom-theme-reset-faces (theme &rest args)
+ "Reset the value of the face to values previously defined.
+Associate this setting with THEME.
+
+ARGS is a list of lists of the form
+
+ (FACE TO-THEME)
+
+This means reset FACE to its value in TO-THEME."
+ (custom-check-theme theme)
+ (mapcar '(lambda (arg)
+ (apply 'custom-theme-reset-internal-face arg)
+ (custom-push-theme 'theme-face (car arg) theme 'reset (cadr arg)))
+ args))
+
+;;;###autoload
+(defun custom-reset-faces (&rest args)
+ "Reset the value of the face to values previously saved.
+This is the setting assosiated the `user' theme.
+
+ARGS is defined as for `custom-theme-reset-faces'"
+ (apply 'custom-theme-reset-faces 'user args))
;;; The End.
(provide 'cus-face)
+;;; arch-tag: 9a5c4b63-0d27-4c92-a5af-f2c7ed764c2b
;;; cus-face.el ends here
HCoop / bpt / emacs.git / blobdiff