(eval-when-compile
(put 'face-name 'byte-optimizer nil)
(put 'face-id 'byte-optimizer nil)
(put 'face-font 'byte-optimizer nil)
(put 'face-font-explicit '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-font-auto '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))
(defsubst internal-facep (x)
(and (vectorp x) (= (length x) 12) (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)
(` (or (internal-facep (, face))
(signal 'wrong-type-argument (list 'internal-facep (, face))))))
(defun face-name (face)
"Return the name of face FACE."
(aref (internal-get-face face) 1))
(defun face-id (face)
"Return the internal ID number of face FACE."
(aref (internal-get-face face) 2))
(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).
The font default for a face is either nil, or a list
of the form (bold), (italic) or (bold italic).
If FRAME is omitted or nil, use the selected frame."
(aref (internal-get-face face frame) 3))
(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))
(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))
(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).
If FRAME is omitted or nil, use the selected frame."
(aref (internal-get-face face frame) 6))
(defalias 'face-background-pixmap 'face-stipple)
(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).
If FRAME is omitted or nil, use the selected frame."
(aref (internal-get-face face frame) 7))
(defun face-inverse-video-p (face &optional frame)
"Return t if face FACE is in inverse video.
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) 8))
(defun face-font-explicit (face &optional frame)
"Return non-nil if this face's font was explicitly specified."
(aref (internal-get-face face frame) 9))
(defun face-bold-p (face &optional frame)
"Return non-nil if the font of FACE is bold.
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) 10))
(defun face-italic-p (face &optional frame)
"Return non-nil if the font of FACE is italic.
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) 11))
(defalias 'face-doc-string 'face-documentation)
(defun face-documentation (face)
"Get the documentation string for FACE."
(get face 'face-documentation))
(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 (or (resolve-fontset-name font)
(x-resolve-font-name font 'default frame))))
(internal-set-face-1 face 'font font 3 frame)
(internal-set-face-1 face nil (not (null font)) 9 frame))
(defun set-face-font-auto (face font &optional frame)
"Change the font of face FACE to FONT (a string), for an automatic change.
An automatic change means that we don't change the \"explicit\" flag;
if the font was derived from the frame font before, it is now.
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 (or (resolve-fontset-name font)
(x-resolve-font-name font 'default frame))))
(internal-set-face-1 face 'font font 3 frame))
(defun set-face-font-explicit (face flag &optional frame)
"Set the explicit-font flag of face FACE to FLAG.
If the optional FRAME argument is provided, change only
in that frame; otherwise change each frame."
(internal-set-face-1 face nil flag 9 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" 'color))
(internal-set-face-1 face 'foreground color 4 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 values
(< (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" 'color))
(if (and frame (not (eq frame t)) color
(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))))
(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.
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-stipple "stipple"))
(internal-set-face-1 face 'background-pixmap pixmap 6 frame))
(defalias 'set-face-background-pixmap 'set-face-stipple)
(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))
(defun set-face-inverse-video-p (face inverse-video-p &optional frame)
"Specify whether face FACE is in inverse video.
\(Yes if INVERSE-VIDEO-P is non-nil.)
If the optional FRAME argument is provided, change only
in that frame; otherwise change each frame."
(interactive (internal-face-interactive "inverse-video-p" "inverse-video"))
(internal-set-face-1 face 'inverse-video inverse-video-p 8 frame))
(defun set-face-bold-p (face bold-p &optional frame)
"Specify whether face FACE is bold. (Yes if BOLD-P is non-nil.)
If the optional FRAME argument is provided, change only
in that frame; otherwise change each frame."
(cond ((eq bold-p nil) (make-face-unbold face frame t))
(t (make-face-bold face frame t))))
(defun set-face-italic-p (face italic-p &optional frame)
"Specify whether face FACE is italic. (Yes if ITALIC-P is non-nil.)
If the optional FRAME argument is provided, change only
in that frame; otherwise change each frame."
(cond ((eq italic-p nil) (make-face-unitalic face frame t))
(t (make-face-italic face frame t))))
(defalias 'set-face-doc-string 'set-face-documentation)
(defun set-face-documentation (face string)
"Set the documentation string for FACE to STRING."
(put face 'face-documentation string))
(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 inverse-p frame)
"Change the display attributes for face FACE.
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.
If (nil), that means clear out the attribute.
BOLD-P, ITALIC-P, UNDERLINE-P, and INVERSE-P specify whether
the face should be set bold, italic, underlined or in inverse-video,
respectively. If one of these arguments is neither nil or t, it means do not
change the display attribute corresponding to that argument.
If called interactively, prompts for a face name and face attributes."
(interactive
(let* ((completion-ignore-case t)
(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))
(old-stipple-string
(if (stringp (face-stipple (intern face)))
(face-stipple (intern face))
(if (face-stipple (intern face))
(prin1-to-string (face-stipple (intern face))))))
(new-stipple-string
(modify-face-read-string
face old-stipple-string
"stipple" stipples))
(stipple
(and new-stipple-string
(if (string-match "^(" new-stipple-string)
(read new-stipple-string)
new-stipple-string)))
(bold-p (y-or-n-p (concat "Should face " face " be bold ")))
(italic-p (y-or-n-p (concat "Should face " face " be italic ")))
(underline-p (y-or-n-p (concat "Should face " face " be underlined ")))
(inverse-p (y-or-n-p (concat "Should face " face " be inverse-video ")))
(all-frames-p (y-or-n-p (concat "Modify face " face " in all frames "))))
(message "Face %s: %s" face
(mapconcat 'identity
(delq nil
(list (if (equal foreground '(nil))
" no foreground"
(and foreground (concat (downcase foreground) " foreground")))
(if (equal background '(nil))
" no background"
(and background (concat (downcase background) " background")))
(if (equal stipple '(nil))
" no stipple"
(and stipple (concat (downcase new-stipple-string) " stipple")))
(and bold-p "bold") (and italic-p "italic")
(and inverse-p "inverse")
(and underline-p "underline"))) ", "))
(list (intern face) foreground background stipple
bold-p italic-p underline-p inverse-p
(if all-frames-p nil (selected-frame)))))
(when (and (or foreground background) (face-inverse-video-p face))
(set-face-inverse-video-p face nil frame)
(or (memq inverse-p '(t nil))
(setq inverse-p t)))
(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))
(if (memq inverse-p '(nil t))
(set-face-inverse-video-p face inverse-p frame))
(cond ((eq bold-p nil)
(if (face-font face frame)
(make-face-unbold face frame t)))
((eq bold-p t)
(make-face-bold face frame t)))
(cond ((eq italic-p nil)
(if (face-font face frame)
(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)))
(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)
(let ((internal-face (internal-get-face face frame)))
(or (eq frame t)
(if (eq name 'inverse-video)
(or (eq value (aref internal-face index))
(invert-face face frame))
(and name (fboundp 'set-face-attribute-internal)
(set-face-attribute-internal (face-id face)
name value frame))))
(aset internal-face 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)
(setq value
(cond ((eq bool 'color)
(completing-read (concat prompt " " (symbol-name face) " to: ")
(mapcar (function (lambda (color)
(cons color color)))
x-colors)
nil nil nil nil default))
(bool
(y-or-n-p (concat "Should face " (symbol-name face)
" be " bool "? ")))
(t
(read-string (concat prompt " " (symbol-name face) " to: ")
nil nil default))))
(list face (if (equal value "") nil value))))
(defun internal-face-interactive-stipple (what)
(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)))))
(old-stipple-string
(if (stringp (face-stipple face))
(face-stipple face)
(if (null (face-stipple face))
nil
(prin1-to-string (face-stipple face)))))
(new-stipple-string
(read-string
(concat prompt " " (symbol-name face) " to: ")
old-stipple-string))
(stipple
(if (string-match "^(" new-stipple-string)
(read new-stipple-string)
new-stipple-string)))
(list face (if (equal stipple "") nil stipple))))
(defun make-face (name &optional no-resources)
"Define a new FACE on all frames.
You can modify the font, color, etc of this face with the set-face- functions.
If NO-RESOURCES is non-nil, then we ignore X resources
and always make a face whose attributes are all nil.
If the face already exists, it is unmodified."
(interactive "SMake face: ")
(or (internal-find-face name)
(let ((face (make-vector 12 nil)))
(aset face 0 'face)
(aset face 1 name)
(let* ((frames (frame-list))
(inhibit-quit t)
(id (internal-next-face-id)))
(if (fboundp 'make-face-internal)
(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)))
(or no-resources
(if (memq window-system '(x w32))
(make-face-x-resource-internal face)))
(if (fboundp 'facemenu-add-new-face)
(facemenu-add-new-face name))
face))
name)
(defun make-empty-face (face)
"Define a new FACE on all frames, which initially reflects the defaults.
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 empty face: ")
(make-face face t))
(defun make-face-x-resource-internal (face &optional frame set-anyway)
(cond ((null frame)
(let ((frames (frame-list)))
(while frames
(if (memq (framep (car frames)) '(x w32))
(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))
(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 ".attributeStipple")
"Face.AttributeStipple")
(x-get-resource (concat name ".attributeBackgroundPixmap")
"Face.AttributeBackgroundPixmap")
(and set-anyway (face-stipple face))))
(ulp (let ((resource (x-get-resource
(concat name ".attributeUnderline")
"Face.AttributeUnderline")))
(if resource
(member (downcase resource) '("on" "true"))
(and set-anyway (face-underline-p face)))))
)
(if fn
(condition-case ()
(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)
(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-stipple 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-face &optional frame new-frame)
"Define a face just like OLD-FACE, with name NEW-FACE.
If NEW-FACE already exists as a face, it is modified to be like OLD-FACE.
If it doesn't already exist, it is created.
If the optional argument FRAME is given as a frame,
NEW-FACE is changed on FRAME only.
If FRAME is t, the frame-independent default specification for OLD-FACE
is copied to NEW-FACE.
If FRAME is nil, copying is done for the frame-independent defaults
and for each existing frame.
If the optional fourth argument NEW-FRAME is given,
copy the information from face OLD-FACE on frame FRAME
to NEW-FACE on frame NEW-FRAME."
(or new-frame (setq new-frame frame))
(let ((inhibit-quit t))
(if (null frame)
(let ((frames (frame-list)))
(while frames
(copy-face old-face new-face (car frames))
(setq frames (cdr frames)))
(copy-face old-face new-face t))
(setq old-face (internal-get-face old-face frame))
(setq new-face (or (internal-find-face new-face new-frame)
(make-face new-face)))
(condition-case nil
(set-face-font new-face (face-font old-face frame) new-frame)
(error
(set-face-font new-face nil new-frame)))
(set-face-font-explicit new-face (face-font-explicit old-face frame)
new-frame)
(set-face-foreground new-face (face-foreground old-face frame) new-frame)
(set-face-background new-face (face-background old-face frame) new-frame)
(set-face-stipple new-face
(face-stipple old-face frame)
new-frame)
(set-face-underline-p new-face (face-underline-p old-face frame)
new-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))
(eq (face-underline-p face1 frame) (face-underline-p face2 frame))
(equal (face-stipple face1 frame)
(face-stipple 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.
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-foreground face frame))
(null (face-foreground face frame)))
(or (equal (face-background default frame)
(face-background face frame))
(null (face-background face frame)))
(or (null (face-font face frame))
(equal (face-font face frame)
(or (face-font default frame)
(downcase
(cdr (assq 'font (frame-parameters frame)))))))
(or (equal (face-stipple default frame)
(face-stipple face frame))
(null (face-stipple face frame)))
(equal (face-underline-p 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.
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))
(let* ((frame-bg (cdr (assq 'background-color (frame-parameters frame))))
(default-bg (or (face-background 'default frame)
frame-bg))
(frame-fg (cdr (assq 'foreground-color (frame-parameters frame))))
(default-fg (or (face-foreground 'default frame)
frame-fg)))
(set-face-foreground face default-bg frame)
(set-face-background face default-fg 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-auto face font frame)
(error nil)))
(defvar x-font-regexp nil)
(defvar x-font-regexp-head nil)
(defvar x-font-regexp-weight nil)
(defvar 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)
(let ((- "[-?]")
(foundry "[^-]+")
(family "[^-]+")
(weight "\\(bold\\|demibold\\|medium\\)") (weight\? "\\([^-]*\\)") (slant "\\([ior]\\)") (slant\? "\\([^-]?\\)") (swidth "\\([^-]*\\)") (adstyle "\\([^-]*\\)") (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 - avgwidth -
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, 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)
(setq frame nil))
(if pattern
(let ((fonts (x-list-fonts pattern face frame 1)))
(or fonts
(if 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)
(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))
"*"
(substring font (match-end x-font-regexp-adstyle-subnum))))
((string-match x-font-regexp-head font)
(concat (substring font 0 (match-beginning 1)) which
(substring font (match-end 1))))
((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)
(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))
"*"
(substring font (match-end x-font-regexp-adstyle-subnum))))
((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)))))))
(defun x-make-font-bold (font)
"Given an X font specification, make a bold version of it.
If that can't be done, return nil."
(x-frob-font-weight font "bold"))
(defun x-make-font-demibold (font)
"Given an X font specification, make a demibold version of it.
If that can't be done, return nil."
(x-frob-font-weight font "demibold"))
(defun x-make-font-unbold (font)
"Given an X font specification, make a non-bold version of it.
If that can't be done, return nil."
(x-frob-font-weight font "medium"))
(defun x-make-font-italic (font)
"Given an X font specification, make an italic version of it.
If that can't be done, return nil."
(x-frob-font-slant font "i"))
(defun x-make-font-oblique (font) "Given an X font specification, make an oblique version of it.
If that can't be done, return nil."
(x-frob-font-slant font "o"))
(defun x-make-font-unitalic (font)
"Given an X font specification, make a non-italic version of it.
If that can't be done, return nil."
(x-frob-font-slant font "r"))
(defun x-make-font-bold-italic (font)
"Given an X font specification, make a bold and italic version of it.
If that can't be done, return nil."
(and (setq font (x-make-font-bold font))
(x-make-font-italic font)))
(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: ")))
(internal-set-face-1 face nil t 10 frame)
(if (and (eq frame t) (listp (face-font face t)))
(set-face-font face (if (memq 'italic (face-font face t))
'(bold italic) '(bold))
t)
(let (font)
(if (null frame)
(let ((frames (frame-list)))
(make-face-bold face t noerror)
(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)))
(if (listp font)
(setq font nil))
(setq font (or font
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(or (and font (make-face-bold-internal face frame font))
noerror
(error "No bold version of %S" font))))))
(defun make-face-bold-internal (face frame font)
(let (f2)
(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)))))
(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: ")))
(internal-set-face-1 face nil t 11 frame)
(if (and (eq frame t) (listp (face-font face t)))
(set-face-font face (if (memq 'bold (face-font face t))
'(bold italic) '(italic))
t)
(let (font)
(if (null frame)
(let ((frames (frame-list)))
(make-face-italic face t noerror)
(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)))
(if (listp font)
(setq font nil))
(setq font (or font
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(or (and font (make-face-italic-internal face frame font))
noerror
(error "No italic version of %S" font))))))
(defun make-face-italic-internal (face frame font)
(let (f2)
(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)))))
(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: ")))
(internal-set-face-1 face nil t 10 frame)
(internal-set-face-1 face nil t 11 frame)
(if (and (eq frame t) (listp (face-font face t)))
(set-face-font face '(bold italic) t)
(let (font)
(if (null frame)
(let ((frames (frame-list)))
(make-face-bold-italic face t noerror)
(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)))
(if (listp font)
(setq font nil))
(setq font (or font
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(or (and font (make-face-bold-italic-internal face frame font))
noerror
(error "No bold italic version of %S" font))))))
(defun make-face-bold-italic-internal (face frame font)
(let (f2 f3)
(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)))))
(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: ")))
(internal-set-face-1 face nil nil 10 frame)
(if (and (eq frame t) (listp (face-font face t)))
(set-face-font face (if (memq 'italic (face-font face t))
'(italic) nil)
t)
(let (font font1)
(if (null frame)
(let ((frames (frame-list)))
(make-face-unbold face t noerror)
(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)))
(if (listp font1)
(setq font1 nil))
(setq font1 (or font1
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(setq font (and font1 (x-make-font-unbold 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.
If NOERROR is non-nil, return nil on failure."
(interactive (list (read-face-name "Make which face non-italic: ")))
(internal-set-face-1 face nil nil 11 frame)
(if (and (eq frame t) (listp (face-font face t)))
(set-face-font face (if (memq 'bold (face-font face t))
'(bold) nil)
t)
(let (font font1)
(if (null frame)
(let ((frames (frame-list)))
(make-face-unitalic face t noerror)
(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)))
(if (listp font1)
(setq font1 nil))
(setq font1 (or font1
(face-font 'default frame)
(cdr (assq 'font (frame-parameters frame)))))
(setq font (and font1 (x-make-font-unitalic font1)))
(or (if font (internal-try-face-font face font frame))
noerror
(error "No unitalic version of %S" font1))))))
(defvar list-faces-sample-text
"abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"*Text string to display as the sample text for `list-faces-display'.")
(defun list-faces-display ()
"List all faces, using the same sample text in each.
The sample text is a string that comes from the variable
`list-faces-sample-text'.
It is possible to give a particular face name different appearances in
different frames. This command shows the appearance in the
selected frame."
(interactive)
(let ((faces (sort (face-list) (function string-lessp)))
(face nil)
(frame (selected-frame))
disp-frame window
(face-name-max-length
(car (sort (mapcar (function string-width)
(mapcar (function symbol-name) (face-list)))
(function >)))))
(with-output-to-temp-buffer "*Faces*"
(save-excursion
(set-buffer standard-output)
(setq truncate-lines t)
(while faces
(setq face (car faces))
(setq faces (cdr faces))
(insert (format
(format "%%-%ds "
face-name-max-length)
(symbol-name face)))
(let ((beg (point)))
(insert list-faces-sample-text)
(insert "\n")
(put-text-property beg (1- (point)) 'face face)
(goto-char beg)
(forward-line 1)
(while (not (eobp))
(insert-char ? (1+ face-name-max-length))
(forward-line 1))))
(goto-char (point-min)))
(print-help-return-message))
(setq window (get-buffer-window (get-buffer "*Faces*") t))
(setq disp-frame (if window (window-frame window)
(car (frame-list))))
(or (eq frame disp-frame)
(let ((faces (face-list)))
(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")) (terpri)
(terpri)
(princ "Documentation:") (terpri)
(let ((doc (face-documentation face)))
(if doc
(princ doc)
(princ "not documented as a face.")))
(print-help-return-message)))
(defun face-attr-match-p (face attrs &optional frame)
(or frame (setq frame (selected-frame)))
(and (face-attr-match-1 face frame attrs ':inverse-video
'face-inverse-video-p)
(if (face-inverse-video-p face frame)
(and
(face-attr-match-1 face frame attrs
':foreground 'face-background
(cdr (assq 'foreground-color
(frame-parameters frame))))
(face-attr-match-1 face frame attrs
':background 'face-foreground
(cdr (assq 'background-color
(frame-parameters frame)))))
(and
(face-attr-match-1 face frame attrs ':foreground 'face-foreground)
(face-attr-match-1 face frame attrs ':background 'face-background)))
(face-attr-match-1 face frame attrs ':stipple 'face-stipple)
(face-attr-match-1 face frame attrs ':bold 'face-bold-p)
(face-attr-match-1 face frame attrs ':italic 'face-italic-p)
(face-attr-match-1 face frame attrs ':underline 'face-underline-p)
))
(defun face-attr-match-1 (face frame plist property function
&optional defaultval)
(while (and plist (not (eq (car plist) property)))
(setq plist (cdr (cdr plist))))
(equal (funcall function face frame)
(if plist
(nth 1 plist)
(or defaultval
(funcall function 'default frame)))))
(defun face-spec-match-p (face spec &optional frame)
"Return t if FACE, on FRAME, matches what SPEC says it should look like."
(face-attr-match-p face (face-spec-choose spec frame) frame))
(defun face-attr-construct (face &optional frame)
"Return a defface-style attribute list for FACE, as it exists on FRAME."
(let (result)
(if (face-inverse-video-p face frame)
(progn
(setq result (cons ':inverse-video (cons t result)))
(or (face-attr-match-1 face frame nil
':foreground 'face-background
(cdr (assq 'foreground-color
(frame-parameters frame))))
(setq result (cons ':foreground
(cons (face-foreground face frame) result))))
(or (face-attr-match-1 face frame nil
':background 'face-foreground
(cdr (assq 'background-color
(frame-parameters frame))))
(setq result (cons ':background
(cons (face-background face frame) result)))))
(if (face-foreground face frame)
(setq result (cons ':foreground
(cons (face-foreground face frame) result))))
(if (face-background face frame)
(setq result (cons ':background
(cons (face-background face frame) result)))))
(if (face-stipple face frame)
(setq result (cons ':stipple
(cons (face-stipple face frame) result))))
(if (face-bold-p face frame)
(setq result (cons ':bold
(cons (face-bold-p face frame) result))))
(if (face-italic-p face frame)
(setq result (cons ':italic
(cons (face-italic-p face frame) result))))
(if (face-underline-p face frame)
(setq result (cons ':underline
(cons (face-underline-p face frame) result))))
result))
(defun face-spec-choose (spec &optional frame)
(or frame (setq frame (selected-frame)))
(let ((tail spec)
result)
(while tail
(let* ((entry (car tail))
(display (nth 0 entry))
(attrs (nth 1 entry)))
(setq tail (cdr tail))
(when (face-spec-set-match-display display frame)
(setq result attrs tail nil))))
result))
(defun face-spec-set (face spec &optional frame)
"Set FACE's face attributes according to the first matching entry in SPEC.
If optional FRAME is non-nil, set it for that frame only.
If it is nil, then apply SPEC to each frame individually.
See `defface' for information about SPEC."
(if frame
(let ((attrs (face-spec-choose spec frame)))
(when attrs
(unless (face-font-explicit face frame)
(set-face-font face nil frame))
(modify-face face '(nil) '(nil) nil nil nil nil nil frame)
(face-spec-set-1 face frame attrs ':foreground 'set-face-foreground)
(face-spec-set-1 face frame attrs ':background 'set-face-background)
(face-spec-set-1 face frame attrs ':stipple 'set-face-stipple)
(face-spec-set-1 face frame attrs ':bold 'set-face-bold-p)
(face-spec-set-1 face frame attrs ':italic 'set-face-italic-p)
(face-spec-set-1 face frame attrs ':underline 'set-face-underline-p)
(face-spec-set-1 face frame attrs ':inverse-video
'set-face-inverse-video-p)))
(let ((frames (frame-list))
frame)
(while frames
(setq frame (car frames)
frames (cdr frames))
(face-spec-set face (or (get face 'saved-face)
(get face 'face-defface-spec))
frame)
(face-spec-set face spec frame)))))
(defun face-spec-set-1 (face frame plist property function)
(while (and plist (not (eq (car plist) property)))
(setq plist (cdr (cdr plist))))
(if plist
(funcall function face (nth 1 plist) frame)))
(defun face-spec-set-match-display (display frame)
"Non-nil iff DISPLAY matches FRAME.
DISPLAY is part of a spec such as can be used in `defface'.
If FRAME is nil, the current FRAME is used."
(let* ((conjuncts display)
conjunct req options
(match t))
(if (eq conjuncts t)
(setq conjuncts nil))
(while (and conjuncts match)
(setq conjunct (car conjuncts)
conjuncts (cdr conjuncts)
req (car conjunct)
options (cdr conjunct)
match (cond ((eq req 'type)
(memq window-system options))
((eq req 'class)
(memq (frame-parameter frame 'display-type) options))
((eq req 'background)
(memq (frame-parameter frame 'background-mode)
options))
(t
(error "Unknown req `%S' with options `%S'"
req options)))))
match))
(defun x-create-frame-with-faces (&optional 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"))))
(if res-geometry
(let ((parsed (x-parse-geometry res-geometry)))
(if (or (assq 'top parsed) (assq 'left parsed))
(setq parsed (append '((user-position . t) (user-size . t))
parsed)))
(setq parameters (append parameters default-frame-alist parsed)))))
(if default-enable-multibyte-characters
(condition-case nil
(let ((font (cdr (assq 'font parameters))))
(if (and font
(not (query-fontset font)))
(setq parameters
(cons (cons 'font (create-fontset-from-ascii-font font))
parameters))))
(error nil)))
(let (frame)
(if (null global-face-data)
(progn
(setq frame (x-create-frame parameters))
(frame-set-background-mode frame))
(let* ((visibility-spec (assq 'visibility parameters))
success faces rest)
(setq frame (x-create-frame (cons '(visibility . nil) parameters)))
(unwind-protect
(progn
(setq faces
(mapcar '(lambda (elt)
(cons (car elt)
(vector 'face
(face-name (cdr elt))
(face-id (cdr elt))
nil
nil nil nil nil
nil nil nil nil)))
global-face-data))
(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))))))
(frame-set-background-mode frame)
(face-set-after-frame-default frame)
(if (null visibility-spec)
(make-frame-visible frame)
(modify-frame-parameters frame (list visibility-spec)))
(setq success t))
(or success
(delete-frame frame)))))
frame))
(defun face-set-after-frame-default (frame)
(let ((rest (frame-face-alist frame)))
(while rest
(let* ((face (car (car rest)))
(spec (or (get face 'customized-face)
(get face 'saved-face)
(get face 'face-defface-spec)))
(global (cdr (assq face global-face-data)))
(local (cdr (car rest))))
(when spec
(face-spec-set face spec frame))
(face-fill-in face global frame)
(make-face-x-resource-internal local frame))
(setq rest (cdr rest)))))
(defcustom frame-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 'faces
:set #'(lambda (var value)
(set var value)
(mapcar 'frame-set-background-mode (frame-list)))
:initialize 'custom-initialize-changed
:type '(choice (choice-item dark)
(choice-item light)
(choice-item :tag "default" nil)))
(defun frame-set-background-mode (frame)
"Set up the `background-mode' and `display-type' frame parameters for FRAME."
(unless (eq (framep frame) t)
(let ((bg-resource (x-get-resource ".backgroundMode"
"BackgroundMode"))
(params (frame-parameters frame))
(bg-mode))
(setq bg-mode
(cond (frame-background-mode)
(bg-resource (intern (downcase bg-resource)))
((< (apply '+ (x-color-values
(cdr (assq 'background-color params))
frame))
(* (apply '+ (x-color-values "white" frame)) .6))
'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))))))))
(defun frame-update-faces (frame) nil)
(defun frame-update-face-colors (frame)
(frame-set-background-mode 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)))
(or (listp foreground)
(setq foreground nil))
(or (listp background)
(setq background nil))
(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)))))
(defun face-fill-in (face data frame)
(condition-case nil
(let ((foreground (face-foreground data))
(background (face-background data))
(font (face-font data))
(stipple (face-stipple data)))
(if (face-underline-p data)
(set-face-underline-p face (face-underline-p data) 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))
(if (listp font)
(let ((bold (memq 'bold font))
(italic (memq 'italic font)))
(cond ((and bold italic)
(make-face-bold-italic face frame))
(bold
(make-face-bold face frame))
(italic
(make-face-italic face frame))))
(if font
(set-face-font face font frame)))
(if stipple
(set-face-stipple face stipple frame)))
(error nil)))
(defun face-color-supported-p (frame color background-p)
(and window-system
(or (x-display-color-p frame)
(member color '("black" "white"))
(and background-p
(face-color-gray-p color frame))
(and (x-display-grayscale-p frame)
(face-color-gray-p color frame)))))
(defun face-try-color-list (function face colors frame)
(if (stringp colors)
(if (face-color-supported-p frame colors
(eq function 'set-face-background))
(funcall function face colors frame))
(if (eq colors t)
(set-face-inverse-video-p face t frame)
(let (done)
(while (and colors (not done))
(if (or (memq (car colors) '(t underline nil))
(face-color-supported-p frame (car colors)
(eq function 'set-face-background)))
(if (cdr colors)
(condition-case nil
(progn
(cond ((eq (car colors) t)
(set-face-inverse-video-p face t frame))
((eq (car colors) 'underline)
(set-face-underline-p face t frame))
(t
(funcall function face (car colors) frame)))
(setq done t))
(error nil))
(cond ((eq (car colors) t)
(set-face-inverse-video-p face t frame))
((eq (car colors) 'underline)
(set-face-underline-p face t frame))
(t
(funcall function face (car colors) frame)))))
(setq colors (cdr colors)))))))
(make-face 'default)
(make-face 'modeline)
(make-face 'highlight)
(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))
(defgroup basic-faces nil
"The standard faces of Emacs."
:prefix "huh"
:group 'faces)
(let ((all '((bold "Use bold font." ((t (:bold t))))
(bold-italic "Use bold italic font." ((t (:bold t :italic t))))
(italic "Use italic font." ((t (:italic t))))
(underline "Underline text." ((t (:underline t))))
(default "Used for text not covered by other faces." ((t nil)))
(highlight "Highlight text in some way."
((((class color) (background light))
(:background "darkseagreen2"))
(((class color) (background dark))
(:background "darkolivegreen"))
(t (:inverse-video t))))
(modeline "Used for displaying the modeline."
((t (:inverse-video t))))
(region "Used for displaying the region."
((((class color) (background dark))
(:background "blue"))
(t (:background "gray"))))
(secondary-selection
"Used for displaying the secondary selection."
((((class color) (background light))
(:background "paleturquoise"))
(((class color) (background dark))
(:background "darkslateblue"))
(t (:inverse-video t))))))
entry symbol doc spec)
(while all
(setq entry (car all)
all (cdr all)
symbol (nth 0 entry)
doc (nth 1 entry)
spec (nth 2 entry))
(custom-add-to-group 'basic-faces symbol 'custom-face)
(put symbol 'face-documentation doc)
(put symbol 'face-defface-spec spec)))
(provide 'faces)