mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-26 07:33:47 +00:00
311 lines
9.8 KiB
EmacsLisp
311 lines
9.8 KiB
EmacsLisp
;;; cus-face.el --- customization support for faces
|
|
;;
|
|
;; Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
|
|
;;
|
|
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
|
|
;; Keywords: help, faces
|
|
;; Version: Emacs
|
|
|
|
;; 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.
|
|
|
|
;;; Commentary:
|
|
;;
|
|
;; See `custom.el'.
|
|
|
|
;;; Code:
|
|
|
|
(defalias 'custom-facep 'facep)
|
|
|
|
;;; Declaring a face.
|
|
|
|
;;;###autoload
|
|
(defun custom-declare-face (face spec doc &rest args)
|
|
"Like `defface', but FACE is evaluated as a normal argument."
|
|
(unless (get face 'face-defface-spec)
|
|
(when (fboundp 'facep)
|
|
(unless (facep face)
|
|
;; If the user has already created the face, respect that.
|
|
(let ((value (or (get face 'saved-face) spec))
|
|
(frames (frame-list))
|
|
frame)
|
|
;; Create global face.
|
|
(make-empty-face face)
|
|
;; Create frame-local faces
|
|
(while frames
|
|
(setq frame (car frames)
|
|
frames (cdr frames))
|
|
(face-spec-set face value frame)))
|
|
;; When making a face after frames already exist
|
|
(if (memq window-system '(x w32))
|
|
(make-face-x-resource-internal face))))
|
|
;; Don't record SPEC until we see it causes no errors.
|
|
(put face 'face-defface-spec spec)
|
|
(when (and doc (null (face-documentation face)))
|
|
(set-face-documentation face (purecopy doc)))
|
|
(custom-handle-all-keywords face args 'custom-face)
|
|
(run-hooks 'custom-define-hook))
|
|
face)
|
|
|
|
;;; Face attributes.
|
|
|
|
(defconst custom-face-attributes
|
|
'((:family
|
|
(string :tag "Font Family"
|
|
:help-echo "Font family or fontset alias name."))
|
|
|
|
(:width
|
|
(choice :tag "Width"
|
|
:help-echo "Font width."
|
|
:value normal ; default
|
|
(const :tag "compressed" condensed)
|
|
(const :tag "condensed" condensed)
|
|
(const :tag "demiexpanded" semi-expanded)
|
|
(const :tag "expanded" expanded)
|
|
(const :tag "extracondensed" extra-condensed)
|
|
(const :tag "extraexpanded" extra-expanded)
|
|
(const :tag "medium" normal)
|
|
(const :tag "narrow" condensed)
|
|
(const :tag "normal" normal)
|
|
(const :tag "regular" normal)
|
|
(const :tag "semicondensed" semi-condensed)
|
|
(const :tag "semiexpanded" semi-expanded)
|
|
(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."
|
|
:value 1.0 ; default
|
|
(integer :tag "Height in 1/10 pt")
|
|
(number :tag "Scale" 1.0)))
|
|
|
|
(:weight
|
|
(choice :tag "Weight"
|
|
:help-echo "Font weight."
|
|
:value normal ; default
|
|
(const :tag "black" ultra-bold)
|
|
(const :tag "bold" bold)
|
|
(const :tag "book" semi-light)
|
|
(const :tag "demibold" semi-bold)
|
|
(const :tag "extralight" extra-light)
|
|
(const :tag "extrabold" extra-bold)
|
|
(const :tag "heavy" extra-bold)
|
|
(const :tag "light" light)
|
|
(const :tag "medium" normal)
|
|
(const :tag "normal" normal)
|
|
(const :tag "regular" normal)
|
|
(const :tag "semibold" semi-bold)
|
|
(const :tag "semilight" semi-light)
|
|
(const :tag "ultralight" ultra-light)
|
|
(const :tag "ultrabold" ultra-bold)))
|
|
|
|
(:slant
|
|
(choice :tag "Slant"
|
|
:help-echo "Font slant."
|
|
:value normal ; default
|
|
(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"
|
|
:help-echo "Control box around text."
|
|
(const :tag "Off" nil)
|
|
(list :tag "Box"
|
|
:value (:line-width 2 :color "grey75" :style released-button)
|
|
(const :format "" :value :line-width)
|
|
(integer :tag "Width")
|
|
(const :format "" :value :color)
|
|
(choice :tag "Color" (const :tag "*" nil) color)
|
|
(const :format "" :value :style)
|
|
(choice :tag "Style"
|
|
(const :tag "Raised" released-button)
|
|
(const :tag "Sunken" pressed-button)
|
|
(const :tag "None" nil))))
|
|
;; filter to make value suitable for customize
|
|
(lambda (real-value)
|
|
(and real-value
|
|
(let ((lwidth
|
|
(or (and (consp real-value)
|
|
(plist-get real-value :line-width))
|
|
(and (integerp real-value) real-value)
|
|
1))
|
|
(color
|
|
(or (and (consp real-value) (plist-get real-value :color))
|
|
(and (stringp real-value) real-value)
|
|
nil))
|
|
(style
|
|
(and (consp real-value) (plist-get real-value :style))))
|
|
(list :line-width lwidth :color color :style style))))
|
|
;; filter to make customized-value suitable for storing
|
|
(lambda (cus-value)
|
|
(and cus-value
|
|
(let ((lwidth (plist-get cus-value :line-width))
|
|
(color (plist-get cus-value :color))
|
|
(style (plist-get cus-value :style)))
|
|
(cond ((and (null color) (null style))
|
|
lwidth)
|
|
((and (null lwidth) (null style))
|
|
;; actually can't happen, because LWIDTH is always an int
|
|
color)
|
|
(t
|
|
;; Keep as a plist, but remove null entries
|
|
(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"
|
|
(const :tag "None" nil)
|
|
(file :tag "File"
|
|
:help-echo "Name of bitmap file."
|
|
:must-match t)))
|
|
|
|
(:inherit
|
|
(repeat :tag "Inherit"
|
|
:help-echo "List of faces to inherit attributes from."
|
|
(face :Tag "Face" default))
|
|
;; filter to make value suitable for customize
|
|
(lambda (real-value)
|
|
(cond ((or (null real-value) (eq real-value 'unspecified))
|
|
nil)
|
|
((symbolp real-value)
|
|
(list real-value))
|
|
(t
|
|
real-value)))
|
|
;; filter to make customized-value suitable for storing
|
|
(lambda (cus-value)
|
|
(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),
|
|
where KEY is the name of the attribute, TYPE is a widget type for
|
|
editing the attribute, PRE-FILTER is a function to make the attribute's
|
|
value suitable for the customization widget, and POST-FILTER is a
|
|
function to make the customized value suitable for storing. PRE-FILTER
|
|
and POST-FILTER are optional.
|
|
|
|
The PRE-FILTER should take a single argument, the attribute value as
|
|
stored, and should return a value for customization (using the
|
|
customization type TYPE).
|
|
|
|
The POST-FILTER should also take a single argument, the value after
|
|
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...).
|
|
Each keyword should be listed in `custom-face-attributes'.
|
|
|
|
If FRAME is nil, use the global defaults for FACE."
|
|
(let ((attrs custom-face-attributes)
|
|
plist)
|
|
(while attrs
|
|
(let* ((attribute (car (car attrs)))
|
|
(value (face-attribute face attribute frame)))
|
|
(setq attrs (cdr attrs))
|
|
(unless (or (eq value 'unspecified)
|
|
(and (null value) (memq attribute '(:inherit))))
|
|
(setq plist (cons attribute (cons value plist))))))
|
|
plist))
|
|
|
|
;;; Initializing.
|
|
|
|
;;;###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 [COMMENT]])
|
|
|
|
SPEC is stored as the saved value for FACE.
|
|
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))
|
|
(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
|