;;; faces.el --- Lisp interface to the c "face" structure
-;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;;; Code:
+(eval-when-compile
+ ;; These used to be defsubsts, now they're subrs. Avoid losing if we're
+ ;; being compiled with an old Emacs that still has defsubrs in it.
+ (put 'face-name 'byte-optimizer nil)
+ (put 'face-id 'byte-optimizer nil)
+ (put 'face-font 'byte-optimizer nil)
+ (put 'face-foreground 'byte-optimizer nil)
+ (put 'face-background 'byte-optimizer nil)
+ (put 'face-stipple 'byte-optimizer nil)
+ (put 'face-underline-p 'byte-optimizer nil)
+ (put 'set-face-font 'byte-optimizer nil)
+ (put 'set-face-foreground 'byte-optimizer nil)
+ (put 'set-face-background 'byte-optimizer nil)
+ (put 'set-face-stipple 'byte-optimizer nil)
+ (put 'set-face-underline-p 'byte-optimizer nil))
\f
;;;; Functions for manipulating face vectors.
(defsubst internal-facep (x)
(and (vectorp x) (= (length x) 8) (eq (aref x 0) 'face)))
+(defun facep (x)
+ "Return t if X is a face name or an internal face vector."
+ (and (or (internal-facep x)
+ (and (symbolp x) (assq x global-face-data)))
+ t))
+
(defmacro internal-check-face (face)
- (` (while (not (internal-facep (, face)))
- (setq (, face) (signal 'wrong-type-argument (list 'internal-facep (, face)))))))
+ (` (or (internal-facep (, face))
+ (signal 'wrong-type-argument (list 'internal-facep (, face))))))
;;; Accessors.
-(defsubst face-name (face)
+(defun face-name (face)
"Return the name of face FACE."
(aref (internal-get-face face) 1))
-(defsubst face-id (face)
+(defun face-id (face)
"Return the internal ID number of face FACE."
(aref (internal-get-face face) 2))
-(defsubst face-font (face &optional frame)
+(defun 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.
If FRAME is t, report on the defaults for face FACE (for new frames).
If FRAME is omitted or nil, use the selected frame."
(aref (internal-get-face face frame) 3))
-(defsubst face-foreground (face &optional frame)
+(defun 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.
If FRAME is t, report on the defaults for face FACE (for new frames).
If FRAME is omitted or nil, use the selected frame."
(aref (internal-get-face face frame) 4))
-(defsubst face-background (face &optional frame)
+(defun 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.
If FRAME is t, report on the defaults for face FACE (for new frames).
If FRAME is omitted or nil, use the selected frame."
(aref (internal-get-face face frame) 5))
-(defsubst face-stipple (face &optional frame)
+(defun face-stipple (face &optional frame)
"Return the stipple pixmap name of face FACE, or nil if unspecified.
If the optional argument FRAME is given, report on face FACE in that frame.
If FRAME is t, report on the defaults for face FACE (for new frames).
(defalias 'face-background-pixmap 'face-stipple)
-(defsubst face-underline-p (face &optional frame)
+(defun 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.
If FRAME is t, report on the defaults for face FACE (for new frames).
\f
;;; Mutators.
-(defsubst set-face-font (face font &optional frame)
+(defun 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)))
+ (if (stringp font) (setq font (x-resolve-font-name font 'default frame)))
(internal-set-face-1 face 'font font 3 frame))
-(defsubst set-face-foreground (face color &optional frame)
+(defun 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)
+(defvar face-default-stipple "gray3"
+ "Default stipple pattern used on monochrome displays.
+This stipple pattern is used on monochrome displays
+instead of shades of gray for a face background color.
+See `set-face-stipple' for possible values for this variable.")
+
+(defun face-color-gray-p (color &optional frame)
+ "Return t if COLOR is a shade of gray (or white or black).
+FRAME specifies the frame and thus the display for interpreting COLOR."
+ (let* ((values (x-color-values color frame))
+ (r (nth 0 values))
+ (g (nth 1 values))
+ (b (nth 2 values)))
+ (and (< (abs (- r g)) (/ (max 1 (abs r) (abs g)) 20))
+ (< (abs (- g b)) (/ (max 1 (abs g) (abs b)) 20))
+ (< (abs (- b r)) (/ (max 1 (abs b) (abs r)) 20)))))
+
+(defun 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"))
- (if (and frame (member color '("gray" "gray1" "gray3"))
- (not (x-display-color-p frame))
- (not (x-display-grayscale-p frame)))
- (set-face-stipple face color frame))
- (internal-set-face-1 face 'background color 5 frame))
+ ;; For a specific frame, use gray stipple instead of gray color
+ ;; if the display does not support a gray color.
+ (if (and frame (not (eq frame t)) color
+ ;; Check for support for foreground, not for background!
+ ;; face-color-supported-p is smart enough to know
+ ;; that grays are "supported" as background
+ ;; because we are supposed to use stipple for them!
+ (not (face-color-supported-p frame color nil)))
+ (set-face-stipple face face-default-stipple frame)
+ (if (null frame)
+ (let ((frames (frame-list)))
+ (while frames
+ (set-face-background (face-name face) color (car frames))
+ (setq frames (cdr frames)))
+ (set-face-background face color t)
+ color)
+ (internal-set-face-1 face 'background color 5 frame))))
-(defsubst set-face-stipple (face name &optional frame)
+(defun set-face-stipple (face pixmap &optional frame)
"Change the stipple 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.
If the optional FRAME argument is provided, change only
in that frame; otherwise change each frame."
(interactive (internal-face-interactive "stipple"))
- (internal-set-face-1 face 'background-pixmap name 6 frame))
+ (internal-set-face-1 face 'background-pixmap pixmap 6 frame))
(defalias 'set-face-background-pixmap 'set-face-stipple)
-(defsubst set-face-underline-p (face underline-p &optional frame)
+(defun 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))
\f
-(defun modify-face (face foreground background bold-p italic-p underline-p)
+(defun modify-face-read-string (face default name alist)
+ (let ((value
+ (completing-read
+ (if default
+ (format "Set face %s %s (default %s): "
+ face name (downcase default))
+ (format "Set face %s %s: " face name))
+ alist)))
+ (cond ((equal value "none")
+ nil)
+ ((equal value "")
+ default)
+ (t value))))
+
+(defun modify-face (face foreground background stipple
+ bold-p italic-p underline-p &optional frame)
"Change the display attributes for face FACE.
-FOREGROUND and BACKGROUND should be color strings. (Default color if nil.)
+If the optional FRAME argument is provided, change only
+in that frame; otherwise change each frame.
+
+FOREGROUND and BACKGROUND should be a colour name string (or list of strings to
+try) or nil. STIPPLE should be a stipple pattern name string or nil.
+If nil, means do not change the display attribute corresponding to that arg.
+
BOLD-P, ITALIC-P, and UNDERLINE-P specify whether the face should be set bold,
-in italic, and underlined, respectively. (Yes if non-nil.)
-If called interactively, prompts for a face and face attributes."
+in italic, and underlined, respectively. If neither nil or t, means do not
+change the display attribute corresponding to that arg.
+
+If called interactively, prompts for a face name and face attributes."
(interactive
(let* ((completion-ignore-case t)
- (face (symbol-name (read-face-name "Face: ")))
- (foreground (completing-read
- (format "Face %s set foreground (default %s): " face
- (downcase (or (face-foreground (intern face))
- "foreground")))
- (mapcar 'list (x-defined-colors))))
- (background (completing-read
- (format "Face %s set background (default %s): " face
- (downcase (or (face-background (intern face))
- "background")))
- (mapcar 'list (x-defined-colors))))
- (bold-p (y-or-n-p (concat "Face " face ": set bold ")))
- (italic-p (y-or-n-p (concat "Face " face ": set italic ")))
- (underline-p (y-or-n-p (concat "Face " face ": set underline "))))
- (if (string-equal background "") (setq background nil))
- (if (string-equal foreground "") (setq foreground nil))
+ (face (symbol-name (read-face-name "Modify face: ")))
+ (colors (mapcar 'list x-colors))
+ (stipples (mapcar 'list (apply 'nconc
+ (mapcar 'directory-files
+ x-bitmap-file-path))))
+ (foreground (modify-face-read-string
+ face (face-foreground (intern face))
+ "foreground" colors))
+ (background (modify-face-read-string
+ face (face-background (intern face))
+ "background" colors))
+ (stipple (modify-face-read-string
+ face (face-stipple (intern face))
+ "stipple" stipples))
+ (bold-p (y-or-n-p (concat "Set face " face " bold ")))
+ (italic-p (y-or-n-p (concat "Set face " face " italic ")))
+ (underline-p (y-or-n-p (concat "Set face " face " underline ")))
+ (all-frames-p (y-or-n-p (concat "Modify face " face " in all frames "))))
(message "Face %s: %s" face
(mapconcat 'identity
(delq nil
(list (and foreground (concat (downcase foreground) " foreground"))
(and background (concat (downcase background) " background"))
+ (and stipple (concat (downcase stipple) " stipple"))
(and bold-p "bold") (and italic-p "italic")
(and underline-p "underline"))) ", "))
- (list (intern face) foreground background bold-p italic-p underline-p)))
- (condition-case nil (set-face-foreground face foreground) (error nil))
- (condition-case nil (set-face-background face background) (error nil))
- (funcall (if bold-p 'make-face-bold 'make-face-unbold) face nil t)
- (funcall (if italic-p 'make-face-italic 'make-face-unitalic) face nil t)
- (set-face-underline-p face underline-p)
+ (list (intern face) foreground background stipple
+ bold-p italic-p underline-p
+ (if all-frames-p nil (selected-frame)))))
+ (condition-case nil
+ (face-try-color-list 'set-face-foreground face foreground frame)
+ (error nil))
+ (condition-case nil
+ (face-try-color-list 'set-face-background face background frame)
+ (error nil))
+ (condition-case nil
+ (set-face-stipple face stipple frame)
+ (error nil))
+ (cond ((eq bold-p nil) (make-face-unbold face frame t))
+ ((eq bold-p t) (make-face-bold face frame t)))
+ (cond ((eq italic-p nil) (make-face-unitalic face frame t))
+ ((eq italic-p t) (make-face-italic face frame t)))
+ (if (memq underline-p '(nil t))
+ (set-face-underline-p face underline-p frame))
(and (interactive-p) (redraw-display)))
\f
;;;; Associating face names (symbols) with their face vectors.
(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)
+ (if (or (eq window-system 'x) (eq window-system 'win32))
(make-face-x-resource-internal face))
;; add to menu
(if (fboundp 'facemenu-add-new-face)
(cond ((null frame)
(let ((frames (frame-list)))
(while frames
- (if (eq (framep (car frames)) 'x)
+ (if (or (eq (framep (car frames)) 'x) (eq (framep (car frames)) 'win32))
(make-face-x-resource-internal (face-name face)
(car frames) set-anyway))
(setq frames (cdr frames)))))
)
(if fn
(condition-case ()
- (set-face-font face fn frame)
- (error (message "font `%s' not found for face `%s'" fn name))))
+ (cond ((string= fn "italic")
+ (make-face-italic face))
+ ((string= fn "bold")
+ (make-face-bold face))
+ ((string= fn "bold-italic")
+ (make-face-bold-italic face))
+ (t
+ (set-face-font face fn frame)))
+ (error
+ (if (member fn '("italic" "bold" "bold-italic"))
+ (message "no %s version found for face `%s'" fn name)
+ (message "font `%s' not found for face `%s'" fn name)))))
(if fg
(condition-case ()
(set-face-foreground face fg 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."
+is displayed on top of.
+
+The optional argument FRAME specifies which frame to test;
+if FRAME is t, test the default for new frames.
+If FRAME is nil or omitted, test the selected frame."
(let ((default (internal-get-face 'default frame)))
(setq face (internal-get-face face frame))
(not (and (or (equal (face-foreground default frame)
(face-underline-p face frame))
))))
+(defun face-nontrivial-p (face &optional frame)
+ "True if face FACE has some non-nil attribute.
+The optional argument FRAME specifies which frame to test;
+if FRAME is t, test the default for new frames.
+If FRAME is nil or omitted, test the selected frame."
+ (setq face (internal-get-face face frame))
+ (or (face-foreground face frame)
+ (face-background face frame)
+ (face-font face frame)
+ (face-stipple face frame)
+ (face-underline-p face frame)))
+
(defun invert-face (face &optional frame)
"Swap the foreground and background colors of face FACE.
(defconst x-font-regexp-weight nil)
(defconst x-font-regexp-slant nil)
+(defconst x-font-regexp-weight-subnum 1)
+(defconst x-font-regexp-slant-subnum 2)
+(defconst x-font-regexp-swidth-subnum 3)
+(defconst x-font-regexp-adstyle-subnum 4)
+
;;; Regexps matching font names in "Host Portable Character Representation."
;;;
(let ((- "[-?]")
; (swidth "\\(\\*\\|normal\\|semicondensed\\|\\)") ; 3
(swidth "\\([^-]*\\)") ; 3
; (adstyle "\\(\\*\\|sans\\|\\)") ; 4
- (adstyle "[^-]*") ; 4
+ (adstyle "\\([^-]*\\)") ; 4
(pixelsize "[0-9]+")
(pointsize "[0-9][0-9]+")
(resx "[0-9][0-9]+")
(setq x-font-regexp
(concat "\\`\\*?[-?*]"
foundry - family - weight\? - slant\? - swidth - adstyle -
- pixelsize - pointsize - resx - resy - spacing - registry -
- encoding "[-?*]\\*?\\'"
+ pixelsize - pointsize - resx - resy - spacing - avgwidth -
+ registry - encoding "\\*?\\'"
))
(setq x-font-regexp-head
(concat "\\`[-?*]" foundry - family - weight\? - slant\?
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."
+Given optional arguments FACE and FRAME, return a font which is
+also the same size as FACE on FRAME, or fail."
(or (symbolp face)
(setq face (face-name face)))
(and (eq frame t)
(let ((fonts (x-list-fonts pattern face frame)))
(or fonts
(if face
- (error "No fonts matching pattern are the same size as `%s'"
- face)
+ (if (string-match "\\*" pattern)
+ (if (null (face-font face))
+ (error "No matching fonts are the same height as the frame default font")
+ (error "No matching fonts are the same height as face `%s'" face))
+ (if (null (face-font face))
+ (error "Height of font `%s' doesn't match the frame default font"
+ pattern)
+ (error "Height of font `%s' doesn't match face `%s'"
+ pattern 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))
+ (let ((case-fold-search t))
+ (cond ((string-match x-font-regexp font)
+ (concat (substring font 0
+ (match-beginning x-font-regexp-weight-subnum))
+ which
+ (substring font (match-end x-font-regexp-weight-subnum)
+ (match-beginning x-font-regexp-adstyle-subnum))
+ ;; Replace the ADD_STYLE_NAME field with *
+ ;; because the info in it may not be the same
+ ;; for related fonts.
+ "*"
+ (substring font (match-end x-font-regexp-adstyle-subnum))))
+ ((or (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)))))))
(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)))
-
+ (let ((case-fold-search t))
+ (cond ((string-match x-font-regexp font)
+ (concat (substring font 0
+ (match-beginning x-font-regexp-slant-subnum))
+ which
+ (substring font (match-end x-font-regexp-slant-subnum)
+ (match-beginning x-font-regexp-adstyle-subnum))
+ ;; Replace the ADD_STYLE_NAME field with *
+ ;; because the info in it may not be the same
+ ;; for related fonts.
+ "*"
+ (substring font (match-end x-font-regexp-adstyle-subnum))))
+ ((or (string-match x-font-regexp-head font)
+ (string-match x-font-regexp-slant font))
+ (concat (substring font 0 (match-beginning 1)) which
+ (substring font (match-end 1)))))))
(defun x-make-font-bold (font)
"Given an X font specification, make a bold version of it.
(set-face-font face (if (memq 'italic (face-font face t))
'(bold italic) '(bold))
t)
- (let ((ofont (face-font face frame))
- font)
+ (let (font)
(if (null frame)
(let ((frames (frame-list)))
;; Make this face bold in global-face-data.
(setq font (or font
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
- (and font (make-face-bold-internal face frame font)))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No bold version of %S" font))))))
+ (or (and font (make-face-bold-internal face frame font))
+ ;; We failed to find a bold version of the font.
+ noerror
+ (error "No bold version of %S" font))))))
(defun make-face-bold-internal (face frame font)
(let (f2)
(set-face-font face (if (memq 'bold (face-font face t))
'(bold italic) '(italic))
t)
- (let ((ofont (face-font face frame))
- font)
+ (let (font)
(if (null frame)
(let ((frames (frame-list)))
;; Make this face italic in global-face-data.
(setq font (or font
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
- (and font (make-face-italic-internal face frame font)))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No italic version of %S" font))))))
+ (or (and font (make-face-italic-internal face frame font))
+ ;; We failed to find an italic version of the font.
+ noerror
+ (error "No italic version of %S" font))))))
(defun make-face-italic-internal (face frame font)
(let (f2)
(interactive (list (read-face-name "Make which face bold-italic: ")))
(if (and (eq frame t) (listp (face-font face t)))
(set-face-font face '(bold italic) t)
- (let ((ofont (face-font face frame))
- font)
+ (let (font)
(if (null frame)
(let ((frames (frame-list)))
;; Make this face bold-italic in global-face-data.
(setq font (or font
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
- (and font (make-face-bold-italic-internal face frame font)))
- (or (not (equal ofont (face-font face)))
- (and (not noerror)
- (error "No bold italic version of %S" font))))))
+ (or (and font (make-face-bold-italic-internal face frame font))
+ ;; We failed to find a bold italic version.
+ noerror
+ (error "No bold italic version of %S" font))))))
(defun make-face-bold-italic-internal (face frame font)
(let (f2 f3)
(set-face-font face (if (memq 'italic (face-font face t))
'(italic) nil)
t)
- (let ((ofont (face-font face frame))
- font font1)
+ (let (font font1)
(if (null frame)
(let ((frames (frame-list)))
;; Make this face unbold in global-face-data.
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(setq font (and font1 (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))))))
+ (or (if font (internal-try-face-font face font frame))
+ 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.
(set-face-font face (if (memq 'bold (face-font face t))
'(bold) nil)
t)
- (let ((ofont (face-font face frame))
- font font1)
+ (let (font font1)
(if (null frame)
(let ((frames (frame-list)))
;; Make this face unitalic in global-face-data.
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(setq font (and font1 (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))))))
+ (or (if font (internal-try-face-font face font frame))
+ noerror
+ (error "No unitalic version of %S" font1))))))
\f
(defvar list-faces-sample-text
"abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ"
(while faces
(copy-face (car faces) (car faces) frame disp-frame)
(setq faces (cdr faces)))))))
+
+(defun describe-face (face)
+ "Display the properties of face FACE."
+ (interactive (list (read-face-name "Describe face: ")))
+ (with-output-to-temp-buffer "*Help*"
+ (princ "Properties of face `")
+ (princ (face-name face))
+ (princ "':") (terpri)
+ (princ "Foreground: ") (princ (face-foreground face)) (terpri)
+ (princ "Background: ") (princ (face-background face)) (terpri)
+ (princ " Font: ") (princ (face-font face)) (terpri)
+ (princ "Underlined: ") (princ (if (face-underline-p face) "yes" "no")) (terpri)
+ (princ " Stipple: ") (princ (or (face-stipple face) "none"))))
\f
;;; Make the standard faces.
;;; The C code knows the default and modeline faces as faces 0 and 1,
(let ((frames (frame-list)))
(while frames
- (if (framep (car frames))
+ (if (not (memq (framep (car frames)) '(t nil)))
(let ((frame (car frames))
(rest global-face-data))
(while rest
;; 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* ((visibility-spec (assq 'visibility parameters))
- (frame (x-create-frame (cons '(visibility . nil) parameters)))
- (faces (copy-alist global-face-data))
- success
- (rest faces))
- (unwind-protect
- (progn
- (set-frame-face-alist frame faces)
-
- (if (cdr (or (assq 'reverse parameters)
- (assq 'reverse default-frame-alist)
- (let ((resource (x-get-resource "reverseVideo"
- "ReverseVideo")))
- (if resource
- (cons nil (member (downcase resource)
- '("on" "true")))))))
- (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 'border-color (cdr (assq 'background-color params)))))
- (modify-frame-parameters
- frame
- (list (cons 'cursor-color (cdr (assq 'background-color params)))))))
-
- ;; Copy the vectors that represent the faces.
- ;; Also fill them in from X resources.
- (while rest
- (let ((global (cdr (car rest))))
- (setcdr (car rest) (vector 'face
- (face-name (cdr (car rest)))
- (face-id (cdr (car rest)))
- nil nil nil nil nil))
- (face-fill-in (car (car rest)) global frame))
- (make-face-x-resource-internal (cdr (car rest)) frame t)
- (setq rest (cdr rest)))
- (if (null visibility-spec)
- (make-frame-visible frame)
- (modify-frame-parameters frame (list visibility-spec)))
- (setq success t)
- frame)
- (or success
- (delete-frame frame))))))
+ ;; Read this frame's geometry resource, if it has an explicit name,
+ ;; and put the specs into PARAMETERS.
+ (let* ((name (or (cdr (assq 'name parameters))
+ (cdr (assq 'name default-frame-alist))))
+ (x-resource-name name)
+ (res-geometry (if name (x-get-resource "geometry" "Geometry")))
+ parsed)
+ (if res-geometry
+ (progn
+ (setq parsed (x-parse-geometry res-geometry))
+ ;; If the resource specifies a position,
+ ;; call the position and size "user-specified".
+ (if (or (assq 'top parsed) (assq 'left parsed))
+ (setq parsed (cons '(user-position . t)
+ (cons '(user-size . t) parsed))))
+ ;; Put the geometry parameters at the end.
+ ;; Copy default-frame-alist so that they go after it.
+ (setq parameters (append parameters
+ default-frame-alist
+ parsed)))))
+ (let (frame)
+ (if (null global-face-data)
+ (setq frame (x-create-frame parameters))
+ (let* ((visibility-spec (assq 'visibility parameters))
+ (faces (copy-alist global-face-data))
+ success
+ (rest faces))
+ (setq frame (x-create-frame (cons '(visibility . nil) parameters)))
+ (unwind-protect
+ (progn
+ (set-frame-face-alist frame faces)
+
+ (if (cdr (or (assq 'reverse parameters)
+ (assq 'reverse default-frame-alist)
+ (let ((resource (x-get-resource "reverseVideo"
+ "ReverseVideo")))
+ (if resource
+ (cons nil (member (downcase resource)
+ '("on" "true")))))))
+ (let* ((params (frame-parameters frame))
+ (bg (cdr (assq 'foreground-color params)))
+ (fg (cdr (assq 'background-color params))))
+ (modify-frame-parameters frame
+ (list (cons 'foreground-color fg)
+ (cons 'background-color bg)))
+ (if (equal bg (cdr (assq 'border-color params)))
+ (modify-frame-parameters frame
+ (list (cons 'border-color fg))))
+ (if (equal bg (cdr (assq 'mouse-color params)))
+ (modify-frame-parameters frame
+ (list (cons 'mouse-color fg))))
+ (if (equal bg (cdr (assq 'cursor-color params)))
+ (modify-frame-parameters frame
+ (list (cons 'cursor-color fg))))))
+ ;; Copy the vectors that represent the faces.
+ ;; Also fill them in from X resources.
+ (while rest
+ (let ((global (cdr (car rest))))
+ (setcdr (car rest) (vector 'face
+ (face-name (cdr (car rest)))
+ (face-id (cdr (car rest)))
+ nil nil nil nil nil))
+ (face-fill-in (car (car rest)) global frame))
+ (make-face-x-resource-internal (cdr (car rest)) frame t)
+ (setq rest (cdr rest)))
+ (if (null visibility-spec)
+ (make-frame-visible frame)
+ (modify-frame-parameters frame (list visibility-spec)))
+ (setq success t))
+ (or success
+ (delete-frame frame)))))
+ ;; Set up the background-mode frame parameter
+ ;; so that programs can decide good ways of highlighting
+ ;; on this frame.
+ (let ((bg-resource (x-get-resource ".backgroundMode"
+ "BackgroundMode"))
+ (params (frame-parameters frame))
+ (bg-mode))
+ (setq bg-mode
+ (cond (bg-resource (intern (downcase bg-resource)))
+ ((< (apply '+ (x-color-values
+ (cdr (assq 'background-color params))
+ frame))
+ (/ (apply '+ (x-color-values "white" frame)) 3))
+ 'dark)
+ (t 'light)))
+ (modify-frame-parameters frame
+ (list (cons 'background-mode bg-mode)
+ (cons 'display-type
+ (cond ((x-display-color-p frame)
+ 'color)
+ ((x-display-grayscale-p frame)
+ 'grayscale)
+ (t 'mono))))))
+ frame))
;; Update a frame's faces when we change its default font.
(defun frame-update-faces (frame)
(setq rest (cdr rest)))
frame)))
+;; Update the colors of FACE, after FRAME's own colors have been changed.
+;; This applies only to faces with global color specifications
+;; that are not simple constants.
+(defun frame-update-face-colors (frame)
+ (let ((faces global-face-data))
+ (while faces
+ (condition-case nil
+ (let* ((data (cdr (car faces)))
+ (face (car (car faces)))
+ (foreground (face-foreground data))
+ (background (face-background data)))
+ ;; If the global spec is a specific color,
+ ;; which doesn't depend on the frame's attributes,
+ ;; we don't need to recalculate it now.
+ (or (listp foreground)
+ (setq foreground nil))
+ (or (listp background)
+ (setq background nil))
+ ;; If we are going to frob this face at all,
+ ;; reinitialize it first.
+ (if (or foreground background)
+ (progn (set-face-foreground face nil frame)
+ (set-face-background face nil frame)))
+ (if foreground
+ (face-try-color-list 'set-face-foreground
+ face foreground frame))
+ (if background
+ (face-try-color-list 'set-face-background
+ face background frame)))
+ (error nil))
+ (setq faces (cdr faces)))))
+
;; Fill in the face FACE from frame-independent face data DATA.
;; DATA should be the non-frame-specific ("global") face vector
;; for the face. FACE should be a face name or face object.
(condition-case nil
(let ((foreground (face-foreground data))
(background (face-background data))
- (font (face-font data)))
+ (font (face-font data))
+ (stipple (face-stipple data)))
(set-face-underline-p face (face-underline-p data) frame)
(if foreground
(face-try-color-list 'set-face-foreground
(italic
(make-face-italic face frame))))
(if font
- (set-face-font face font frame))))
+ (set-face-font face font frame)))
+ (if stipple
+ (set-face-stipple face stipple frame)))
(error nil)))
+;; Assuming COLOR is a valid color name,
+;; return t if it can be displayed on FRAME.
+(defun face-color-supported-p (frame color background-p)
+ (and window-system
+ (or (x-display-color-p frame)
+ ;; A black-and-white display can implement these.
+ (member color '("black" "white"))
+ ;; A black-and-white display can fake gray for background.
+ (and background-p
+ (face-color-gray-p color frame))
+ ;; A grayscale display can implement colors that are gray (more or less).
+ (and (x-display-grayscale-p frame)
+ (face-color-gray-p color frame)))))
+
;; Use FUNCTION to store a color in FACE on FRAME.
;; COLORS is either a single color or a list of colors.
;; If it is a list, try the colors one by one until one of them
;; That can't fail, so any subsequent elements after the t are ignored.
(defun face-try-color-list (function face colors frame)
(if (stringp colors)
- (if (and (not (member colors '("gray" "gray1" "gray3")))
- (or (not (x-display-color-p))
- (= (x-display-planes) 1)))
- nil
- (funcall function face colors frame))
+ (if (face-color-supported-p frame colors
+ (eq function 'set-face-background))
+ (funcall function face colors frame))
(if (eq colors t)
(invert-face face frame)
(let (done)
(while (and colors (not done))
- (if (and (stringp (car colors))
- (and (not (member (car colors) '("gray" "gray1" "gray3")))
- (or (not (x-display-color-p))
- (= (x-display-planes) 1))))
- nil
- (if (cdr colors)
- ;; If there are more colors to try, catch errors
- ;; and set `done' if we succeed.
- (condition-case nil
- (progn
- (cond ((eq (car colors) t)
- (invert-face face frame))
- ((eq (car colors) 'underline)
- (set-face-underline-p face t frame))
- (t
- (funcall function face (car colors) frame)))
- (setq done t))
- (error nil))
- ;; If this is the last color, let the error get out if it fails.
- ;; If it succeeds, we will exit anyway after this iteration.
- (cond ((eq (car colors) t)
- (invert-face face frame))
- ((eq (car colors) 'underline)
- (set-face-underline-p face t frame))
- (t
- (funcall function face (car colors) frame)))))
+ (if (or (memq (car colors) '(t underline))
+ (face-color-supported-p frame (car colors)
+ (eq function 'set-face-background)))
+ (if (cdr colors)
+ ;; If there are more colors to try, catch errors
+ ;; and set `done' if we succeed.
+ (condition-case nil
+ (progn
+ (cond ((eq (car colors) t)
+ (invert-face face frame))
+ ((eq (car colors) 'underline)
+ (set-face-underline-p face t frame))
+ (t
+ (funcall function face (car colors) frame)))
+ (setq done t))
+ (error nil))
+ ;; If this is the last color, let the error get out if it fails.
+ ;; If it succeeds, we will exit anyway after this iteration.
+ (cond ((eq (car colors) t)
+ (invert-face face frame))
+ ((eq (car colors) 'underline)
+ (set-face-underline-p face t frame))
+ (t
+ (funcall function face (car colors) frame)))))
(setq colors (cdr colors)))))))
;; If we are already using x-window frames, initialize faces for them.
-(if (eq (framep (selected-frame)) 'x)
+(if (or (eq (framep (selected-frame)) 'x) (eq (framep (selected-frame)) 'win32))
(face-initialize))
(provide 'faces)