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- ;;; faces.el --- Lisp interface to the c "face" structure
-
- ;; Copyright (C) 1992, 1993 Free Software Foundation, Inc.
-
- ;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- ;;; Commentary:
-
- ;; Mostly derived from Lucid.
-
- ;;; Code:
-
-
- ;;;; Functions for manipulating face vectors.
-
- ;;; A face vector is a vector of the form:
- ;;; [face ID FONT FOREGROUND BACKGROUND BACKGROUND-PIXMAP UNDERLINE]
-
- ;;; Type checkers.
- (defsubst internal-facep (x)
- (and (vectorp x) (= (length x) 8) (eq (aref x 0) 'face)))
-
- (defmacro internal-check-face (face)
- (` (while (not (internal-facep (, face)))
- (setq (, face) (signal 'wrong-type-argument (list 'internal-facep (, face)))))))
-
- ;;; Accessors.
- (defsubst face-name (face)
- "Return the name of face FACE."
- (aref (internal-get-face face) 1))
-
- (defsubst face-id (face)
- "Return the internal ID number of face FACE."
- (aref (internal-get-face face) 2))
-
- (defsubst face-font (face &optional frame)
- "Return the font name of face FACE, or nil if it is unspecified.
- If the optional argument FRAME is given, report on face FACE in that frame.
- Otherwise report on the defaults for face FACE (for new frames)."
- (aref (internal-get-face face frame) 3))
-
- (defsubst face-foreground (face &optional frame)
- "Return the foreground color name of face FACE, or nil if unspecified.
- If the optional argument FRAME is given, report on face FACE in that frame.
- Otherwise report on the defaults for face FACE (for new frames)."
- (aref (internal-get-face face frame) 4))
-
- (defsubst face-background (face &optional frame)
- "Return the background color name of face FACE, or nil if unspecified.
- If the optional argument FRAME is given, report on face FACE in that frame.
- Otherwise report on the defaults for face FACE (for new frames)."
- (aref (internal-get-face face frame) 5))
-
- ;;(defsubst face-background-pixmap (face &optional frame)
- ;; "Return the background pixmap name of face FACE, or nil if unspecified.
- ;;If the optional argument FRAME is given, report on face FACE in that frame.
- ;;Otherwise report on the defaults for face FACE (for new frames)."
- ;; (aref (internal-get-face face frame) 6))
-
- (defsubst face-underline-p (face &optional frame)
- "Return t if face FACE is underlined.
- If the optional argument FRAME is given, report on face FACE in that frame.
- Otherwise report on the defaults for face FACE (for new frames)."
- (aref (internal-get-face face frame) 7))
-
-
- ;;; Mutators.
-
- (defsubst set-face-font (face font &optional frame)
- "Change the font of face FACE to FONT (a string).
- If the optional FRAME argument is provided, change only
- in that frame; otherwise change each frame."
- (interactive (internal-face-interactive "font"))
- (if (stringp font) (setq font (x-resolve-font-name font face frame)))
- (internal-set-face-1 face 'font font 3 frame))
-
- (defsubst set-face-foreground (face color &optional frame)
- "Change the foreground color of face FACE to COLOR (a string).
- If the optional FRAME argument is provided, change only
- in that frame; otherwise change each frame."
- (interactive (internal-face-interactive "foreground"))
- (internal-set-face-1 face 'foreground color 4 frame))
-
- (defsubst set-face-background (face color &optional frame)
- "Change the background color of face FACE to COLOR (a string).
- If the optional FRAME argument is provided, change only
- in that frame; otherwise change each frame."
- (interactive (internal-face-interactive "background"))
- (internal-set-face-1 face 'background color 5 frame))
-
- ;;(defsubst set-face-background-pixmap (face name &optional frame)
- ;; "Change the background pixmap of face FACE to PIXMAP.
- ;;PIXMAP should be a string, the name of a file of pixmap data.
- ;;The directories listed in the `x-bitmap-file-path' variable are searched.
-
- ;;Alternatively, PIXMAP may be a list of the form (WIDTH HEIGHT DATA)
- ;;where WIDTH and HEIGHT are the size in pixels,
- ;;and DATA is a string, containing the raw bits of the bitmap.
-
- ;;If the optional FRAME argument is provided, change only
- ;;in that frame; otherwise change each frame."
- ;; (interactive (internal-face-interactive "background-pixmap"))
- ;; (internal-set-face-1 face 'background-pixmap name 6 frame))
-
- (defsubst set-face-underline-p (face underline-p &optional frame)
- "Specify whether face FACE is underlined. (Yes if UNDERLINE-P is non-nil.)
- If the optional FRAME argument is provided, change only
- in that frame; otherwise change each frame."
- (interactive (internal-face-interactive "underline-p" "underlined"))
- (internal-set-face-1 face 'underline underline-p 7 frame))
-
-
- ;;;; Associating face names (symbols) with their face vectors.
-
- (defvar global-face-data nil
- "Internal data for face support functions. Not for external use.
- This is an alist associating face names with the default values for
- their parameters. Newly created frames get their data from here.")
-
- (defun face-list ()
- "Returns a list of all defined face names."
- (mapcar 'car global-face-data))
-
- (defun internal-find-face (name &optional frame)
- "Retrieve the face named NAME. Return nil if there is no such face.
- If the optional argument FRAME is given, this gets the face NAME for
- that frame; otherwise, it uses the selected frame.
- If FRAME is the symbol t, then the global, non-frame face is returned.
- If NAME is already a face, it is simply returned."
- (if (and (eq frame t) (not (symbolp name)))
- (setq name (face-name name)))
- (if (symbolp name)
- (cdr (assq name
- (if (eq frame t)
- global-face-data
- (frame-face-alist (or frame (selected-frame))))))
- (internal-check-face name)
- name))
-
- (defun internal-get-face (name &optional frame)
- "Retrieve the face named NAME; error if there is none.
- If the optional argument FRAME is given, this gets the face NAME for
- that frame; otherwise, it uses the selected frame.
- If FRAME is the symbol t, then the global, non-frame face is returned.
- If NAME is already a face, it is simply returned."
- (or (internal-find-face name frame)
- (internal-check-face name)))
-
-
- (defun internal-set-face-1 (face name value index frame)
- (let ((inhibit-quit t))
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (internal-set-face-1 (face-name face) name value index (car frames))
- (setq frames (cdr frames)))
- (aset (internal-get-face (if (symbolp face) face (face-name face)) t)
- index value)
- value)
- (or (eq frame t)
- (set-face-attribute-internal (face-id face) name value frame))
- (aset (internal-get-face face frame) index value))))
-
-
- (defun read-face-name (prompt)
- (let (face)
- (while (= (length face) 0)
- (setq face (completing-read prompt
- (mapcar '(lambda (x) (list (symbol-name x)))
- (face-list))
- nil t)))
- (intern face)))
-
- (defun internal-face-interactive (what &optional bool)
- (let* ((fn (intern (concat "face-" what)))
- (prompt (concat "Set " what " of face"))
- (face (read-face-name (concat prompt ": ")))
- (default (if (fboundp fn)
- (or (funcall fn face (selected-frame))
- (funcall fn 'default (selected-frame)))))
- (value (if bool
- (y-or-n-p (concat "Should face " (symbol-name face)
- " be " bool "? "))
- (read-string (concat prompt " " (symbol-name face) " to: ")
- default))))
- (list face (if (equal value "") nil value))))
-
-
-
- (defun make-face (name)
- "Define a new FACE on all frames.
- You can modify the font, color, etc of this face with the set-face- functions.
- If the face already exists, it is unmodified."
- (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)))
- ;; when making a face after frames already exist
- (if (eq window-system 'x)
- (make-face-x-resource-internal face))
- face)))
-
- ;; Fill in a face by default based on X resources, for all existing frames.
- ;; This has to be done when a new face is made.
- (defun make-face-x-resource-internal (face &optional frame set-anyway)
- (cond ((null frame)
- (let ((frames (frame-list)))
- (while frames
- (make-face-x-resource-internal (face-name face)
- (car frames) set-anyway)
- (setq frames (cdr frames)))))
- (t
- (setq face (internal-get-face (face-name face) frame))
- ;;
- ;; These are things like "attributeForeground" instead of simply
- ;; "foreground" because people tend to do things like "*foreground",
- ;; which would cause all faces to be fully qualified, making faces
- ;; inherit attributes in a non-useful way. So we've made them slightly
- ;; less obvious to specify in order to make them work correctly in
- ;; more random environments.
- ;;
- ;; I think these should be called "face.faceForeground" instead of
- ;; "face.attributeForeground", but they're the way they are for
- ;; hysterical reasons.
- ;;
- (let* ((name (symbol-name (face-name face)))
- (fn (or (x-get-resource (concat name ".attributeFont")
- "Face.AttributeFont")
- (and set-anyway (face-font face))))
- (fg (or (x-get-resource (concat name ".attributeForeground")
- "Face.AttributeForeground")
- (and set-anyway (face-foreground face))))
- (bg (or (x-get-resource (concat name ".attributeBackground")
- "Face.AttributeBackground")
- (and set-anyway (face-background face))))
- ;; (bgp (or (x-get-resource (concat name ".attributeBackgroundPixmap")
- ;; "Face.AttributeBackgroundPixmap")
- ;; (and set-anyway (face-background-pixmap face))))
- (ulp (or (x-get-resource (concat name ".attributeUnderline")
- "Face.AttributeUnderline")
- (and set-anyway (face-underline-p face))))
- )
- (if fn
- (condition-case ()
- (set-face-font face fn frame)
- (error (message "font `%s' not found for face `%s'" fn name))))
- (if fg
- (condition-case ()
- (set-face-foreground face fg frame)
- (error (message "color `%s' not allocated for face `%s'" fg name))))
- (if bg
- (condition-case ()
- (set-face-background face bg frame)
- (error (message "color `%s' not allocated for face `%s'" bg name))))
- ;; (if bgp
- ;; (condition-case ()
- ;; (set-face-background-pixmap face bgp frame)
- ;; (error (message "pixmap `%s' not found for face `%s'" bgp name))))
- (if (or ulp set-anyway)
- (set-face-underline-p face ulp frame))
- )))
- face)
-
- (defun copy-face (old-face new-name &optional frame)
- "Define a face just like OLD-FACE, with name NEW-NAME.
- If NEW-NAME already exists as a face, it is modified to be like OLD-FACE.
- If the optional argument FRAME is given, this applies only to that frame.
- Otherwise it applies to each frame separately."
- (setq old-face (internal-get-face old-face frame))
- (let* ((inhibit-quit t)
- (new-face (or (internal-find-face new-name frame)
- (make-face new-name))))
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (copy-face old-face new-name (car frames))
- (setq frames (cdr frames)))
- (copy-face old-face new-name t))
- (set-face-font new-face (face-font old-face frame) frame)
- (set-face-foreground new-face (face-foreground old-face frame) frame)
- (set-face-background new-face (face-background old-face frame) frame)
- ;;; (set-face-background-pixmap
- ;;; new-face (face-background-pixmap old-face frame) frame)
- (set-face-underline-p new-face (face-underline-p old-face frame)
- frame))
- new-face))
-
- (defun face-equal (face1 face2 &optional frame)
- "True if the faces FACE1 and FACE2 display in the same way."
- (setq face1 (internal-get-face face1 frame)
- face2 (internal-get-face face2 frame))
- (and (equal (face-foreground face1 frame) (face-foreground face2 frame))
- (equal (face-background face1 frame) (face-background face2 frame))
- (equal (face-font face1 frame) (face-font face2 frame))
- (equal (face-background-pixmap face1 frame)
- (face-background-pixmap face2 frame))))
-
- (defun face-differs-from-default-p (face &optional frame)
- "True if face FACE displays differently from the default face, on FRAME.
- A face is considered to be ``the same'' as the default face if it is
- actually specified in the same way (equivalent fonts, etc) or if it is
- fully unspecified, and thus inherits the attributes of any face it
- is displayed on top of."
- (let ((default (internal-get-face 'default frame)))
- (setq face (internal-get-face face frame))
- (not (and (or (equal (face-foreground default frame)
- (face-foreground face frame))
- (null (face-foreground face frame)))
- (or (equal (face-background default frame)
- (face-background face frame))
- (null (face-background face frame)))
- (or (equal (face-font default frame) (face-font face frame))
- (null (face-font face frame)))
- ;;; (or (equal (face-background-pixmap default frame)
- ;;; (face-background-pixmap face frame))
- ;;; (null (face-background-pixmap face frame)))
- (equal (face-underline-p default frame)
- (face-underline-p face frame))
- ))))
-
-
- (defun invert-face (face &optional frame)
- "Swap the foreground and background colors of face FACE.
- If the face doesn't specify both foreground and background, then
- set its foreground and background to the default background and foreground."
- (interactive (list (read-face-name "Invert face: ")))
- (setq face (internal-get-face face frame))
- (let ((fg (face-foreground face frame))
- (bg (face-background face frame)))
- (if (or fg bg)
- (progn
- (set-face-foreground face bg frame)
- (set-face-background face fg frame))
- (set-face-foreground face (or (face-background 'default frame)
- (cdr (assq 'background-color (frame-parameters frame))))
- frame)
- (set-face-background face (or (face-foreground 'default frame)
- (cdr (assq 'foreground-color (frame-parameters frame))))
- frame)))
- face)
-
-
- (defun internal-try-face-font (face font &optional frame)
- "Like set-face-font, but returns nil on failure instead of an error."
- (condition-case ()
- (set-face-font face font frame)
- (error nil)))
-
- ;; Manipulating font names.
-
- (defconst x-font-regexp nil)
- (defconst x-font-regexp-head nil)
- (defconst x-font-regexp-weight nil)
- (defconst x-font-regexp-slant nil)
-
- ;;; Regexps matching font names in "Host Portable Character Representation."
- ;;;
- (let ((- "[-?]")
- (foundry "[^-]+")
- (family "[^-]+")
- (weight "\\(bold\\|demibold\\|medium\\)") ; 1
- ; (weight\? "\\(\\*\\|bold\\|demibold\\|medium\\|\\)") ; 1
- (weight\? "\\([^-]*\\)") ; 1
- (slant "\\([ior]\\)") ; 2
- ; (slant\? "\\([ior?*]?\\)") ; 2
- (slant\? "\\([^-]?\\)") ; 2
- ; (swidth "\\(\\*\\|normal\\|semicondensed\\|\\)") ; 3
- (swidth "\\([^-]*\\)") ; 3
- ; (adstyle "\\(\\*\\|sans\\|\\)") ; 4
- (adstyle "[^-]*") ; 4
- (pixelsize "[0-9]+")
- (pointsize "[0-9][0-9]+")
- (resx "[0-9][0-9]+")
- (resy "[0-9][0-9]+")
- (spacing "[cmp?*]")
- (avgwidth "[0-9]+")
- (registry "[^-]+")
- (encoding "[^-]+")
- )
- (setq x-font-regexp
- (concat "\\`\\*?[-?*]"
- foundry - family - weight\? - slant\? - swidth - adstyle -
- pixelsize - pointsize - resx - resy - spacing - registry -
- encoding "[-?*]\\*?\\'"
- ))
- (setq x-font-regexp-head
- (concat "\\`[-?*]" foundry - family - weight\? - slant\?
- "\\([-*?]\\|\\'\\)"))
- (setq x-font-regexp-slant (concat - slant -))
- (setq x-font-regexp-weight (concat - weight -))
- nil)
-
- (defun x-resolve-font-name (pattern &optional face frame)
- "Return a font name matching PATTERN.
- All wildcards in PATTERN become substantiated.
- If PATTERN is nil, return the name of the frame's base font, which never
- contains wildcards.
- Given optional arguments FACE and FRAME, try to return a font which is
- also the same size as FACE on FRAME."
- (or (symbolp face)
- (setq face (face-name face)))
- (and (eq frame t)
- (setq frame nil))
- (if pattern
- (let ((fonts (x-list-fonts pattern face frame)))
- (or fonts
- (if face
- (error "No fonts matching pattern are the same size as `%s'"
- face)
- (error "No fonts match `%s'" pattern)))
- (car fonts))
- (cdr (assq 'font (frame-parameters (selected-frame))))))
-
- (defun x-frob-font-weight (font which)
- (if (or (string-match x-font-regexp font)
- (string-match x-font-regexp-head font)
- (string-match x-font-regexp-weight font))
- (concat (substring font 0 (match-beginning 1)) which
- (substring font (match-end 1)))
- nil))
-
- (defun x-frob-font-slant (font which)
- (cond ((or (string-match x-font-regexp font)
- (string-match x-font-regexp-head font))
- (concat (substring font 0 (match-beginning 2)) which
- (substring font (match-end 2))))
- ((string-match x-font-regexp-slant font)
- (concat (substring font 0 (match-beginning 1)) which
- (substring font (match-end 1))))
- (t nil)))
-
-
- (defun x-make-font-bold (font)
- "Given an X font specification, this attempts to make a `bold' version
- of it. If it fails, it returns nil."
- (x-frob-font-weight font "bold"))
-
- (defun x-make-font-demibold (font)
- "Given an X font specification, this attempts to make a `demibold' version
- of it. If it fails, it returns nil."
- (x-frob-font-weight font "demibold"))
-
- (defun x-make-font-unbold (font)
- "Given an X font specification, this attempts to make a non-bold version
- of it. If it fails, it returns nil."
- (x-frob-font-weight font "medium"))
-
- (defun x-make-font-italic (font)
- "Given an X font specification, this attempts to make an `italic' version
- of it. If it fails, it returns nil."
- (x-frob-font-slant font "i"))
-
- (defun x-make-font-oblique (font) ; you say tomayto...
- "Given an X font specification, this attempts to make an `italic' version
- of it. If it fails, it returns nil."
- (x-frob-font-slant font "o"))
-
- (defun x-make-font-unitalic (font)
- "Given an X font specification, this attempts to make a non-italic version
- of it. If it fails, it returns nil."
- (x-frob-font-slant font "r"))
-
-
- ;;; non-X-specific interface
-
- (defun make-face-bold (face &optional frame noerror)
- "Make the font of the given face be bold, if possible.
- If NOERROR is non-nil, return nil on failure."
- (interactive (list (read-face-name "Make which face bold: ")))
- (let ((ofont (face-font face frame))
- font f2)
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (make-face-bold face (car frames) noerror)
- (setq frames (cdr frames))))
- (setq face (internal-get-face face frame))
- (setq font (or (face-font face frame)
- (face-font face t)
- (face-font 'default frame)
- (cdr (assq 'font (frame-parameters frame)))))
- (or (and (setq f2 (x-make-font-bold font))
- (internal-try-face-font face f2 frame))
- (and (setq f2 (x-make-font-demibold font))
- (internal-try-face-font face f2 frame))))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No bold version of %S" font)))))
-
- (defun make-face-italic (face &optional frame noerror)
- "Make the font of the given face be italic, if possible.
- If NOERROR is non-nil, return nil on failure."
- (interactive (list (read-face-name "Make which face italic: ")))
- (let ((ofont (face-font face frame))
- font f2)
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (make-face-italic face (car frames) noerror)
- (setq frames (cdr frames))))
- (setq face (internal-get-face face frame))
- (setq font (or (face-font face frame)
- (face-font face t)
- (face-font 'default frame)
- (cdr (assq 'font (frame-parameters frame)))))
- (or (and (setq f2 (x-make-font-italic font))
- (internal-try-face-font face f2 frame))
- (and (setq f2 (x-make-font-oblique font))
- (internal-try-face-font face f2 frame))))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No italic version of %S" font)))))
-
- (defun make-face-bold-italic (face &optional frame noerror)
- "Make the font of the given face be bold and italic, if possible.
- If NOERROR is non-nil, return nil on failure."
- (interactive (list (read-face-name "Make which face bold-italic: ")))
- (let ((ofont (face-font face frame))
- font f2 f3)
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (make-face-bold-italic face (car frames) noerror)
- (setq frames (cdr frames))))
- (setq face (internal-get-face face frame))
- (setq font (or (face-font face frame)
- (face-font face t)
- (face-font 'default frame)
- (cdr (assq 'font (frame-parameters frame)))))
- (or (and (setq f2 (x-make-font-italic font))
- (not (equal font f2))
- (setq f3 (x-make-font-bold f2))
- (not (equal f2 f3))
- (internal-try-face-font face f3 frame))
- (and (setq f2 (x-make-font-oblique font))
- (not (equal font f2))
- (setq f3 (x-make-font-bold f2))
- (not (equal f2 f3))
- (internal-try-face-font face f3 frame))
- (and (setq f2 (x-make-font-italic font))
- (not (equal font f2))
- (setq f3 (x-make-font-demibold f2))
- (not (equal f2 f3))
- (internal-try-face-font face f3 frame))
- (and (setq f2 (x-make-font-oblique font))
- (not (equal font f2))
- (setq f3 (x-make-font-demibold f2))
- (not (equal f2 f3))
- (internal-try-face-font face f3 frame))))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No bold italic version of %S" font)))))
-
- (defun make-face-unbold (face &optional frame noerror)
- "Make the font of the given face be non-bold, if possible.
- If NOERROR is non-nil, return nil on failure."
- (interactive (list (read-face-name "Make which face non-bold: ")))
- (let ((ofont (face-font face frame))
- font font1)
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (make-face-unbold face (car frames) noerror)
- (setq frames (cdr frames))))
- (setq face (internal-get-face face frame))
- (setq font1 (or (face-font face frame)
- (face-font face t)
- (face-font 'default frame)
- (cdr (assq 'font (frame-parameters frame)))))
- (setq font (x-make-font-unbold font1))
- (if font (internal-try-face-font face font frame)))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No unbold version of %S" font1)))))
-
- (defun make-face-unitalic (face &optional frame noerror)
- "Make the font of the given face be non-italic, if possible.
- If NOERROR is non-nil, return nil on failure."
- (interactive (list (read-face-name "Make which face non-italic: ")))
- (let ((ofont (face-font face frame))
- font font1)
- (if (null frame)
- (let ((frames (frame-list)))
- (while frames
- (make-face-unitalic face (car frames) noerror)
- (setq frames (cdr frames))))
- (setq face (internal-get-face face frame))
- (setq font1 (or (face-font face frame)
- (face-font face t)
- (face-font 'default frame)
- (cdr (assq 'font (frame-parameters frame)))))
- (setq font (x-make-font-unitalic font1))
- (if font (internal-try-face-font face font frame)))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No unitalic version of %S" font1)))))
-
- ;;; Make the default and modeline faces; the C code knows these as
- ;;; faces 0 and 1, respectively, so they must be the first two faces
- ;;; made.
- (defun face-initialize ()
- (make-face 'default)
- (make-face 'modeline)
- (make-face 'highlight)
- ;;
- ;; These aren't really special in any way, but they're nice to have around.
- ;; The X-specific code is clever at them.
- ;;
- (make-face 'bold)
- (make-face 'italic)
- (make-face 'bold-italic)
- (make-face 'region)
- (make-face 'secondary-selection)
- (make-face 'underline)
-
- (setq region-face (face-id 'region))
-
- ;; Set up the faces of all existing X Window frames.
- (let ((frames (frame-list)))
- (while frames
- (if (eq (framep (car frames)) 'x)
- (x-initialize-frame-faces (car frames)))
- (setq frames (cdr frames)))))
-
-
- ;;; This really belongs in setting a frame's own font.
- ;;; ;;
- ;;; ;; No font specified in the resource database; try to cope.
- ;;; ;;
- ;;; (internal-try-face-font default "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*"
- ;;; frame)
- ;;; (internal-try-face-font default "-*-courier-*-r-*-*-*-120-*-*-*-*-iso8859-*"
- ;;; frame)
- ;;; (internal-try-face-font default "-*-*-medium-r-*-*-*-120-*-*-m-*-iso8859-*" frame)
- ;;; (internal-try-face-font default "-*-*-medium-r-*-*-*-120-*-*-c-*-iso8859-*" frame)
- ;;; (internal-try-face-font default "-*-*-*-r-*-*-*-120-*-*-m-*-iso8859-*" frame)
- ;;; (internal-try-face-font default "-*-*-*-r-*-*-*-120-*-*-c-*-iso8859-*" frame)
- ;;; (internal-try-face-font default "-*-*-*-r-*-*-*-120-*-*-*-*-iso8859-*" frame)
-
-
- ;;; This is called from make-screen-initial-faces to make sure that the
- ;;; "default" and "modeline" faces for this screen have enough attributes
- ;;; specified for emacs to be able to display anything on it. This had
- ;;; better not signal an error.
- ;;;
- (defun x-initialize-frame-faces (frame)
- (or (face-differs-from-default-p 'bold frame)
- (make-face-bold 'bold frame t)
- ;; if default font is bold, then make the `bold' face be unbold.
- (make-face-unbold 'bold frame t)
- ;; otherwise the luser specified one of the bogus font names
- (internal-x-complain-about-font 'bold frame)
- )
-
- (or (face-differs-from-default-p 'italic frame)
- (make-face-italic 'italic frame t)
- (progn
- (make-face-bold 'italic frame t)
- (internal-x-complain-about-font 'italic frame))
- )
-
- (or (face-differs-from-default-p 'bold-italic frame)
- (make-face-bold-italic 'bold-italic frame t)
- ;; if we couldn't get a bold-italic version, try just bold.
- (make-face-bold 'bold-italic frame t)
- ;; if we couldn't get bold or bold-italic, then that's probably because
- ;; the default font is bold, so make the `bold-italic' face be unbold.
- (and (make-face-unbold 'bold-italic frame t)
- (make-face-italic 'bold-italic frame t))
- ;; if that didn't work, try italic (can this ever happen? what the hell.)
- (progn
- (make-face-italic 'bold-italic frame t)
- ;; then bitch and moan.
- (internal-x-complain-about-font 'bold-italic frame))
- )
-
- (or (face-differs-from-default-p 'highlight frame)
- (if (or (not (x-display-color-p))
- (= (x-display-planes) 1))
- (invert-face 'highlight frame)
- (condition-case ()
- (condition-case ()
- (set-face-background 'highlight "darkseagreen2" frame)
- (error (set-face-background 'highlight "green" frame)))
- ;;; (set-face-background-pixmap 'highlight "gray1" frame)
- (error (invert-face 'highlight frame)))))
-
- (or (face-differs-from-default-p 'region frame)
- (if (= (x-display-planes) 1)
- (invert-face 'region frame)
- (condition-case ()
- (set-face-background 'region "gray" frame)
- (error (invert-face 'region frame)))))
-
- (or (face-differs-from-default-p 'modeline frame)
- (invert-face 'modeline frame))
-
- (or (face-differs-from-default-p 'underline frame)
- (set-face-underline-p 'underline t frame))
-
- (or (face-differs-from-default-p 'secondary-selection frame)
- (if (or (not (x-display-color-p))
- (= (x-display-planes) 1))
- (invert-face 'secondary-selection frame)
- (condition-case ()
- (condition-case ()
- ;; some older X servers don't have this one.
- (set-face-background 'secondary-selection "paleturquoise"
- frame)
- (error
- (set-face-background 'secondary-selection "green" frame)))
- ;;; (set-face-background-pixmap 'secondary-selection "gray1" frame)
- (error (invert-face 'secondary-selection frame)))))
- )
-
- (defun internal-x-complain-about-font (face frame)
- ;;; It's annoying to bother the user about this,
- ;;; since it happens under normal circumstances.
- ;;; (message "No %s version of %S"
- ;;; face
- ;;; (or (face-font face frame)
- ;;; (face-font face t)
- ;;; (face-font 'default frame)
- ;;; (cdr (assq 'font (frame-parameters frame)))))
- ;;; (sit-for 1)
- )
-
- ;; Like x-create-frame but also set up the faces.
-
- (defun x-create-frame-with-faces (&optional parameters)
- (if (null global-face-data)
- (x-create-frame parameters)
- (let* ((frame (x-create-frame parameters))
- (faces (copy-alist global-face-data))
- (rest faces))
- (set-frame-face-alist frame faces)
-
- (if (cdr (or (assq 'reverse parameters)
- (assq 'reverse default-frame-alist)
- (cons nil
- (x-get-resource "reverseVideo" "ReverseVideo"))))
- (let ((params (frame-parameters frame)))
- (modify-frame-parameters
- frame
- (list (cons 'foreground-color (cdr (assq 'background-color params)))
- (cons 'background-color (cdr (assq 'foreground-color params)))
- (cons 'mouse-color (cdr (assq 'background-color params)))
- (cons 'cursor-color (cdr (assq 'background-color params)))
- (cons 'border-color (cdr (assq 'background-color params)))))))
-
- ;; Copy the vectors that represent the faces.
- ;; Also fill them in from X resources.
- (while rest
- (setcdr (car rest) (copy-sequence (cdr (car rest))))
- (make-face-x-resource-internal (cdr (car rest)) frame t)
- (setq rest (cdr rest)))
-
- (x-initialize-frame-faces frame)
-
- frame)))
-
- ;; If we are already using x-window frames, initialize faces for them.
- (if (eq (framep (selected-frame)) 'x)
- (face-initialize))
-
- (provide 'faces)
-
- ;;; faces.el ends here
-