;;; faces.el --- Lisp faces
-;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-;; 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1992-1996, 1998-2011 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
+;; Package: emacs
;; This file is part of GNU Emacs.
(eval-when-compile
(require 'cl))
-(declare-function xw-defined-colors "term/x-win" (&optional frame))
+(declare-function xw-defined-colors "term/common-win" (&optional frame))
(defvar help-xref-stack-item)
(internal-copy-lisp-face old-face new-face frame new-frame))
new-face))
-
-\f
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;; Obsolete functions
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-;; The functions in this section are defined because Lisp packages use
-;; them, despite the prefix `internal-' suggesting that they are
-;; private to the face implementation.
-
-(defun internal-find-face (name &optional frame)
- "Retrieve the face named NAME.
-Return nil if there is no such face.
-If NAME is already a face, it is simply returned.
-The optional argument FRAME is ignored."
- (facep name))
-(make-obsolete 'internal-find-face 'facep "21.1")
-
-
-(defun internal-get-face (name &optional frame)
- "Retrieve the face named NAME; error if there is none.
-If NAME is already a face, it is simply returned.
-The optional argument FRAME is ignored."
- (or (facep name)
- (check-face name)))
-(make-obsolete 'internal-get-face "see `facep' and `check-face'." "21.1")
-
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Predicates, type checks.
;; of realized faces. The ID assigned to Lisp faces is used to
;; support faces in display table entries.
-(defun face-id (face &optional frame)
+(defun face-id (face &optional _frame)
"Return the internal ID of face with name FACE.
If FACE is a face-alias, return the ID of the target face.
The optional argument FRAME is ignored, since the internal face ID
`:height'
-VALUE must be either an integer specifying the height of the font to use
-in 1/10 pt, a floating point number specifying the amount by which to
-scale any underlying face, or a function, which is called with the old
-height (from the underlying face), and should return the new height.
+VALUE specifies the height of the font, in either absolute or relative
+terms. An absolute height is an integer, and specifies font height in
+units of 1/10 pt. A relative height is either a floating point number,
+which specifies a scaling factor for the underlying face height;
+or a function that takes a single argument (the underlying face height)
+and returns the new height. Note that for the `default' face,
+you can only specify an absolute height (since there is nothing
+for it to be relative to).
`:weight'
where))
(setq args (cddr args)))))
-(defun make-face-bold (face &optional frame noerror)
+(defun make-face-bold (face &optional frame _noerror)
"Make the font of FACE be bold, if possible.
FRAME nil or not specified means change face on all frames.
Argument NOERROR is ignored and retained for compatibility.
(set-face-attribute face frame :weight 'bold))
-(defun make-face-unbold (face &optional frame noerror)
+(defun make-face-unbold (face &optional frame _noerror)
"Make the font of FACE be non-bold, if possible.
FRAME nil or not specified means change face on all frames.
Argument NOERROR is ignored and retained for compatibility."
(set-face-attribute face frame :weight 'normal))
-(defun make-face-italic (face &optional frame noerror)
+(defun make-face-italic (face &optional frame _noerror)
"Make the font of FACE be italic, if possible.
FRAME nil or not specified means change face on all frames.
Argument NOERROR is ignored and retained for compatibility.
(set-face-attribute face frame :slant 'italic))
-(defun make-face-unitalic (face &optional frame noerror)
+(defun make-face-unitalic (face &optional frame _noerror)
"Make the font of FACE be non-italic, if possible.
FRAME nil or not specified means change face on all frames.
Argument NOERROR is ignored and retained for compatibility."
(set-face-attribute face frame :slant 'normal))
-(defun make-face-bold-italic (face &optional frame noerror)
+(defun make-face-bold-italic (face &optional frame _noerror)
"Make the font of FACE be bold and italic, if possible.
FRAME nil or not specified means change face on all frames.
Argument NOERROR is ignored and retained for compatibility.
(insert
(substitute-command-keys
(concat
- "Use "
+ "\\<help-mode-map>>Use "
(if (display-mouse-p) "\\[help-follow-mouse] or ")
"\\[help-follow] on a face name to customize it\n"
"or on its sample text for a description of the face.\n\n")))
;; Parameter FRAME Is kept for call compatibility to with previous
;; face implementation.
-(defun face-attr-construct (face &optional frame)
- "Return a `defface'-style attribute list for FACE on FRAME.
+(defun face-attr-construct (face &optional _frame)
+ "Return a `defface'-style attribute list for FACE.
Value is a property list of pairs ATTRIBUTE VALUE for all specified
face attributes of FACE where ATTRIBUTE is the attribute name and
-VALUE is the specified value of that attribute."
+VALUE is the specified value of that attribute.
+Argument FRAME is ignored and retained for compatibility."
(let (result)
(dolist (entry face-attribute-name-alist result)
(let* ((attribute (car entry))
;; of supported colors, and all defface's
;; are changed to look at number of colors
;; instead of (type graphic) etc.
- (and (null (window-system frame))
- (memq 'tty options))
- (and (memq 'motif options)
- (featurep 'motif))
- (and (memq 'gtk options)
- (featurep 'gtk))
- (and (memq 'lucid options)
- (featurep 'x-toolkit)
- (not (featurep 'motif))
- (not (featurep 'gtk)))
- (and (memq 'x-toolkit options)
- (featurep 'x-toolkit))))
+ (if (null (window-system frame))
+ (memq 'tty options)
+ (or (and (memq 'motif options)
+ (featurep 'motif))
+ (and (memq 'gtk options)
+ (featurep 'gtk))
+ (and (memq 'lucid options)
+ (featurep 'x-toolkit)
+ (not (featurep 'motif))
+ (not (featurep 'gtk)))
+ (and (memq 'x-toolkit options)
+ (featurep 'x-toolkit))))))
((eq req 'min-colors)
(>= (display-color-cells frame) (car options)))
((eq req 'class)
(defun face-spec-reset-face (face &optional frame)
"Reset all attributes of FACE on FRAME to unspecified."
- (let ((attrs face-attribute-name-alist))
- (while attrs
- (let ((attr-and-name (car attrs)))
- (set-face-attribute face frame (car attr-and-name) 'unspecified))
- (setq attrs (cdr attrs)))))
-
+ (let (reset-args)
+ (dolist (attr-and-name face-attribute-name-alist)
+ (push 'unspecified reset-args)
+ (push (car attr-and-name) reset-args))
+ (apply 'set-face-attribute face frame reset-args)))
(defun face-spec-set (face spec &optional for-defface)
"Set FACE's face spec, which controls its appearance, to SPEC.
is used. If nil or omitted, use the selected frame."
(unless frame
(setq frame (selected-frame)))
- (let ((list face-attribute-name-alist)
- (match t))
- (while (and match (not (null list)))
- (let* ((attr (car (car list)))
+ (let* ((list face-attribute-name-alist)
+ (match t)
+ (bold (and (plist-member attrs :bold)
+ (not (plist-member attrs :weight))))
+ (italic (and (plist-member attrs :italic)
+ (not (plist-member attrs :slant))))
+ (plist (if (or bold italic)
+ (copy-sequence attrs)
+ attrs)))
+ ;; Handle the Emacs 20 :bold and :italic properties.
+ (if bold
+ (plist-put plist :weight (if bold 'bold 'normal)))
+ (if italic
+ (plist-put plist :slant (if italic 'italic 'normal)))
+ (while (and match list)
+ (let* ((attr (caar list))
(specified-value
- (if (plist-member attrs attr)
- (plist-get attrs attr)
+ (if (plist-member plist attr)
+ (plist-get plist attr)
'unspecified))
(value-now (face-attribute face attr frame)))
(setq match (equal specified-value value-now))
(setq list (cdr list))))
match))
-(defun face-spec-match-p (face spec &optional frame)
+(defsubst 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 color-values (color &optional frame)
"Return a description of the color named COLOR on frame FRAME.
-The value is a list of integer RGB values--(RED GREEN BLUE).
-These values appear to range from 0 to 65280 or 65535, depending
-on the system; white is \(65280 65280 65280\) or \(65535 65535 65535\).
+COLOR should be a string naming a color (e.g. \"white\"), or a
+string specifying a color's RGB components (e.g. \"#ff12ec\").
+
+Return a list of three integers, (RED GREEN BLUE), each between 0
+and either 65280 or 65535 (the maximum depends on the system).
+Use `color-name-to-rgb' if you want RGB floating-point values
+normalized to 1.0.
+
If FRAME is omitted or nil, use the selected frame.
If FRAME cannot display COLOR, the value is nil.
-If COLOR is the symbol `unspecified' or one of the strings
-\"unspecified-fg\" or \"unspecified-bg\", the value is nil."
- (if (member color '(unspecified "unspecified-fg" "unspecified-bg"))
- nil
- (if (memq (framep (or frame (selected-frame))) '(x w32 ns))
- (xw-color-values color frame)
- (tty-color-values color frame))))
+
+COLOR can also be the symbol `unspecified' or one of the strings
+\"unspecified-fg\" or \"unspecified-bg\", in which case the
+return value is nil."
+ (cond
+ ((member color '(unspecified "unspecified-fg" "unspecified-bg"))
+ nil)
+ ((memq (framep (or frame (selected-frame))) '(x w32 ns))
+ (xw-color-values color frame))
+ (t
+ (tty-color-values color frame))))
+
(defalias 'x-color-values 'color-values)
(declare-function xw-display-color-p "xfns.c" (&optional terminal))
(t
(> (tty-color-gray-shades display) 2)))))
-(defun read-color (&optional prompt convert-to-RGB-p allow-empty-name-p msg-p)
- "Read a color name or RGB hex value: #RRRRGGGGBBBB.
-Completion is available for color names, but not for RGB hex strings.
-If the user inputs an RGB hex string, it must have the form
-#XXXXXXXXXXXX or XXXXXXXXXXXX, where each X is a hex digit. The
-number of Xs must be a multiple of 3, with the same number of Xs for
-each of red, green, and blue. The order is red, green, blue.
+(defun read-color (&optional prompt convert-to-RGB allow-empty-name msg)
+ "Read a color name or RGB triplet of the form \"#RRRRGGGGBBBB\".
+Completion is available for color names, but not for RGB triplets.
+
+RGB triplets have the form #XXXXXXXXXXXX, where each X is a hex
+digit. The number of Xs must be a multiple of 3, with the same
+number of Xs for each of red, green, and blue. The order is red,
+green, blue.
-In addition to standard color names and RGB hex values, the following
-are available as color candidates. In each case, the corresponding
-color is used.
+In addition to standard color names and RGB hex values, the
+following are available as color candidates. In each case, the
+corresponding color is used.
* `foreground at point' - foreground under the cursor
* `background at point' - background under the cursor
-Checks input to be sure it represents a valid color. If not, raises
-an error (but see exception for empty input with non-nil
-ALLOW-EMPTY-NAME-P).
-
-Optional arg PROMPT is the prompt; if nil, uses a default prompt.
+Optional arg PROMPT is the prompt; if nil, use a default prompt.
-Interactively, or with optional arg CONVERT-TO-RGB-P non-nil, converts
-an input color name to an RGB hex string. Returns the RGB hex string.
+Interactively, or with optional arg CONVERT-TO-RGB-P non-nil,
+convert an input color name to an RGB hex string. Return the RGB
+hex string.
-Optional arg ALLOW-EMPTY-NAME-P controls what happens if the user
-enters an empty color name (that is, just hits `RET'). If non-nil,
-then returns an empty color name, \"\". If nil, then raises an error.
-Programs must test for \"\" if ALLOW-EMPTY-NAME-P is non-nil. They
-can then perform an appropriate action in case of empty input.
+If optional arg ALLOW-EMPTY-NAME is non-nil, the user is allowed
+to enter an empty color name (the empty string).
-Interactively, or with optional arg MSG-P non-nil, echoes the color in
-a message."
+Interactively, or with optional arg MSG non-nil, print the
+resulting color name in the echo area."
(interactive "i\np\ni\np") ; Always convert to RGB interactively.
(let* ((completion-ignore-case t)
- (colors (append '("foreground at point" "background at point")
- (defined-colors)))
- (color (completing-read (or prompt "Color (name or #R+G+B+): ")
- colors))
- hex-string)
- (cond ((string= "foreground at point" color)
- (setq color (foreground-color-at-point)))
- ((string= "background at point" color)
- (setq color (background-color-at-point))))
- (unless color
- (setq color ""))
- (setq hex-string
- (string-match "^#?\\([a-fA-F0-9][a-fA-F0-9][a-fA-F0-9]\\)+$" color))
- (if (and allow-empty-name-p (string= "" color))
- ""
- (when (and hex-string (not (eq (aref color 0) ?#)))
- (setq color (concat "#" color))) ; No #; add it.
- (unless hex-string
- (when (or (string= "" color) (not (test-completion color colors)))
- (error "No such color: %S" color))
- (when convert-to-RGB-p
- (let ((components (x-color-values color)))
- (unless components (error "No such color: %S" color))
- (unless (string-match "^#\\([a-fA-F0-9][a-fA-F0-9][a-fA-F0-9]\\)+$" color)
- (setq color (format "#%04X%04X%04X"
- (logand 65535 (nth 0 components))
- (logand 65535 (nth 1 components))
- (logand 65535 (nth 2 components))))))))
- (when msg-p (message "Color: `%s'" color))
- color)))
-
-;; Commented out because I decided it is better to include the
-;; duplicates in read-color's completion list.
-
-;; (defun defined-colors-without-duplicates ()
-;; "Return the list of defined colors, without the no-space versions.
-;; For each color name, we keep the variant that DOES have spaces."
-;; (let ((result (copy-sequence (defined-colors)))
-;; to-be-rejected)
-;; (save-match-data
-;; (dolist (this result)
-;; (if (string-match " " this)
-;; (push (replace-regexp-in-string " " ""
-;; this)
-;; to-be-rejected)))
-;; (dolist (elt to-be-rejected)
-;; (let ((as-found (car (member-ignore-case elt result))))
-;; (setq result (delete as-found result)))))
-;; result))
+ (colors (or facemenu-color-alist
+ (append '("foreground at point" "background at point")
+ (if allow-empty-name '(""))
+ (defined-colors))))
+ (color (completing-read
+ (or prompt "Color (name or #RGB triplet): ")
+ ;; Completing function for reading colors, accepting
+ ;; both color names and RGB triplets.
+ (lambda (string pred flag)
+ (cond
+ ((null flag) ; Try completion.
+ (or (try-completion string colors pred)
+ (if (color-defined-p string)
+ string)))
+ ((eq flag t) ; List all completions.
+ (or (all-completions string colors pred)
+ (if (color-defined-p string)
+ (list string))))
+ ((eq flag 'lambda) ; Test completion.
+ (or (memq string colors)
+ (color-defined-p string)))))
+ nil t)))
+
+ ;; Process named colors.
+ (when (member color colors)
+ (cond ((string-equal color "foreground at point")
+ (setq color (foreground-color-at-point)))
+ ((string-equal color "background at point")
+ (setq color (background-color-at-point))))
+ (when (and convert-to-RGB
+ (not (string-equal color "")))
+ (let ((components (x-color-values color)))
+ (unless (string-match "^#\\([a-fA-F0-9][a-fA-F0-9][a-fA-F0-9]\\)+$" color)
+ (setq color (format "#%04X%04X%04X"
+ (logand 65535 (nth 0 components))
+ (logand 65535 (nth 1 components))
+ (logand 65535 (nth 2 components))))))))
+ (when msg (message "Color: `%s'" color))
+ color))
+
(defun face-at-point ()
"Return the face of the character after point.
(cond ((memq 'background-color face) (cdr (memq 'background-color face)))
((memq ':background face) (cadr (memq ':background face)))))
(t nil)))) ; Invalid face value.
-\f
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;; Background mode.
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-(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 (automatic by default)
-if you want Emacs to examine the brightness for you. Don't set this
-variable with `setq'; this won't have the expected effect."
- :group 'faces
- :set #'(lambda (var value)
- (set-default var value)
- (mapc 'frame-set-background-mode (frame-list)))
- :initialize 'custom-initialize-changed
- :type '(choice (const dark)
- (const light)
- (const :tag "automatic" nil)))
-
-
-(declare-function x-get-resource "frame.c"
- (attribute class &optional component subclass))
-
-(defvar inhibit-frame-set-background-mode nil)
-
-(defun frame-set-background-mode (frame)
- "Set up display-dependent faces on FRAME.
-Display-dependent faces are those which have different definitions
-according to the `background-mode' and `display-type' frame parameters."
- (unless inhibit-frame-set-background-mode
- (let* ((bg-resource
- (and (window-system frame)
- (x-get-resource "backgroundMode" "BackgroundMode")))
- (bg-color (frame-parameter frame 'background-color))
- (terminal-bg-mode (terminal-parameter frame 'background-mode))
- (tty-type (tty-type frame))
- (default-bg-mode
- (if (or (window-system frame)
- (and tty-type
- (string-match "^\\(xterm\\|\\rxvt\\|dtterm\\|eterm\\)"
- tty-type)))
- 'light
- 'dark))
- (non-default-bg-mode (if (eq default-bg-mode 'light) 'dark 'light))
- (bg-mode
- (cond (frame-background-mode)
- (bg-resource (intern (downcase bg-resource)))
- (terminal-bg-mode)
- ((equal bg-color "unspecified-fg") ; inverted colors
- non-default-bg-mode)
- ((not (color-values bg-color frame))
- default-bg-mode)
- ((>= (apply '+ (color-values bg-color frame))
- ;; Just looking at the screen, colors whose
- ;; values add up to .6 of the white total
- ;; still look dark to me.
- (* (apply '+ (color-values "white" frame)) .6))
- 'light)
- (t 'dark)))
- (display-type
- (cond ((null (window-system frame))
- (if (tty-display-color-p frame) 'color 'mono))
- ((display-color-p frame)
- 'color)
- ((x-display-grayscale-p frame)
- 'grayscale)
- (t 'mono)))
- (old-bg-mode
- (frame-parameter frame 'background-mode))
- (old-display-type
- (frame-parameter frame 'display-type)))
-
- (unless (and (eq bg-mode old-bg-mode) (eq display-type old-display-type))
- (let ((locally-modified-faces nil)
- ;; Prevent face-spec-recalc from calling this function
- ;; again, resulting in a loop (bug#911).
- (inhibit-frame-set-background-mode t))
- ;; Before modifying the frame parameters, collect a list of
- ;; faces that don't match what their face-spec says they
- ;; should look like. We then avoid changing these faces
- ;; below. These are the faces whose attributes were
- ;; modified on FRAME. We use a negative list on the
- ;; assumption that most faces will be unmodified, so we can
- ;; avoid consing in the common case.
- (dolist (face (face-list))
- (and (not (get face 'face-override-spec))
- (not (face-spec-match-p face
- (face-user-default-spec face)
- (selected-frame)))
- (push face locally-modified-faces)))
- ;; Now change to the new frame parameters
- (modify-frame-parameters frame
- (list (cons 'background-mode bg-mode)
- (cons 'display-type display-type)))
- ;; For all named faces, choose face specs matching the new frame
- ;; parameters, unless they have been locally modified.
- (dolist (face (face-list))
- (unless (memq face locally-modified-faces)
- (face-spec-recalc face frame))))))))
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(list (cons 'cursor-color fg)))))))
(declare-function x-create-frame "xfns.c" (parms))
-(declare-function x-setup-function-keys "term/x-win" (frame))
+(declare-function x-setup-function-keys "term/common-win" (frame))
(defun x-create-frame-with-faces (&optional parameters)
"Create and return a frame with frame parameters PARAMETERS.
(progn
(x-setup-function-keys frame)
(x-handle-reverse-video frame parameters)
- (frame-set-background-mode frame)
+ (frame-set-background-mode frame t)
(face-set-after-frame-default frame parameters)
(if (null visibility-spec)
(make-frame-visible frame)
settings, X resources, and `face-new-frame-defaults'.
Finally, apply any relevant face attributes found amongst the
frame parameters in PARAMETERS."
- (dolist (face (nreverse (face-list))) ;Why reverse? --Stef
- (condition-case ()
- (progn
- ;; Initialize faces from face spec and custom theme.
- (face-spec-recalc face frame)
- ;; X resouces for the default face are applied during
- ;; x-create-frame.
- (and (not (eq face 'default))
- (memq (window-system frame) '(x w32))
- (make-face-x-resource-internal face frame))
- ;; Apply attributes specified by face-new-frame-defaults
- (internal-merge-in-global-face face frame))
- ;; Don't let invalid specs prevent frame creation.
- (error nil)))
+ (let ((window-system-p (memq (window-system frame) '(x w32))))
+ ;; The `reverse' is so that `default' goes first.
+ (dolist (face (nreverse (face-list)))
+ (condition-case ()
+ (progn
+ ;; Initialize faces from face spec and custom theme.
+ (face-spec-recalc face frame)
+ ;; X resouces for the default face are applied during
+ ;; `x-create-frame'.
+ (and (not (eq face 'default)) window-system-p
+ (make-face-x-resource-internal face frame))
+ ;; Apply attributes specified by face-new-frame-defaults
+ (internal-merge-in-global-face face frame))
+ ;; Don't let invalid specs prevent frame creation.
+ (error nil))))
+
;; Apply attributes specified by frame parameters.
(let ((face-params '((foreground-color default :foreground)
(background-color default :background)
(set-terminal-parameter frame 'terminal-initted t)
(set-locale-environment nil frame)
(tty-run-terminal-initialization frame))
- (frame-set-background-mode frame)
+ (frame-set-background-mode frame t)
(face-set-after-frame-default frame parameters)
(setq success t))
(unless success
(defun tty-set-up-initial-frame-faces ()
(let ((frame (selected-frame)))
- (frame-set-background-mode frame)
+ (frame-set-background-mode frame t)
(face-set-after-frame-default frame)))
-
-\f
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;; Compatibility with 20.2
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-;; Update a frame's faces when we change its default font.
-
-(defalias 'frame-update-faces 'ignore "")
-(make-obsolete 'frame-update-faces "no longer necessary." "21.1")
-
-;; Update the colors of FACE, after FRAME's own colors have been
-;; changed.
-
-(define-obsolete-function-alias 'frame-update-face-colors
- 'frame-set-background-mode "21.1")
-
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Standard faces.
(defface link
'((((class color) (min-colors 88) (background light))
- :foreground "blue1" :underline t)
+ :foreground "RoyalBlue3" :underline t)
(((class color) (background light))
:foreground "blue" :underline t)
(((class color) (min-colors 88) (background dark))
:group 'frames
:group 'basic-faces)
-(defface cursor '((t nil))
+(defface cursor
+ '((((background light)) :background "black")
+ (((background dark)) :background "white"))
"Basic face for the cursor color under X.
Note: Other faces cannot inherit from the cursor face."
:version "21.1"
(defface help-argument-name '((((supports :slant italic)) :inherit italic))
"Face to highlight argument names in *Help* buffers."
:group 'help)
+
+(defface glyphless-char
+ '((((type tty)) :inherit underline)
+ (((type pc)) :inherit escape-glyph)
+ (t :height 0.6))
+ "Face for displaying non-graphic characters (e.g. U+202A (LRE)).
+It is used for characters of no fonts too."
+ :version "24.1"
+ :group 'basic-faces)
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Manipulating font names.
(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))
- ;; 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))))
- ((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)))))))
-(make-obsolete 'x-frob-font-weight 'make-face-... "21.1")
-
-(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))
- ;; 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))))
- ((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)))))))
-(make-obsolete 'x-frob-font-slant 'make-face-... "21.1")
-
-;; These aliases are here so that we don't get warnings about obsolete
-;; functions from the byte compiler.
-(defalias 'internal-frob-font-weight 'x-frob-font-weight)
-(defalias 'internal-frob-font-slant 'x-frob-font-slant)
-
-(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."
- (internal-frob-font-weight font "bold"))
-(make-obsolete 'x-make-font-bold 'make-face-bold "21.1")
-
-(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."
- (internal-frob-font-weight font "demibold"))
-(make-obsolete 'x-make-font-demibold 'make-face-bold "21.1")
-
-(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."
- (internal-frob-font-weight font "medium"))
-(make-obsolete 'x-make-font-unbold 'make-face-unbold "21.1")
-
-(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."
- (internal-frob-font-slant font "i"))
-(make-obsolete 'x-make-font-italic 'make-face-italic "21.1")
-
-(defun x-make-font-oblique (font) ; you say tomayto...
- "Given an X font specification, make an oblique version of it.
-If that can't be done, return nil."
- (internal-frob-font-slant font "o"))
-(make-obsolete 'x-make-font-oblique 'make-face-italic "21.1")
-
-(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."
- (internal-frob-font-slant font "r"))
-(make-obsolete 'x-make-font-unitalic 'make-face-unitalic "21.1")
-
-(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 (internal-frob-font-weight font "bold"))
- (internal-frob-font-slant font "i")))
-(make-obsolete 'x-make-font-bold-italic 'make-face-bold-italic "21.1")
-
(provide 'faces)
-;; arch-tag: 19a4759f-2963-445f-b004-425b9aadd7d6
;;; faces.el ends here