;;; faces.el --- Lisp faces
-;; Copyright (C) 1992,1993,1994,1995,1996,1998,1999,2000,2001,2002,2004,2005
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+;; 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun facep (face)
- "Return non-nil if FACE is a face name."
+ "Return non-nil if FACE is a face name or internal face object.
+Return nil otherwise. A face name can be a string or a symbol.
+An internal face object is a vector of the kind used internally
+to record face data."
(internal-lisp-face-p face))
(defun face-attribute-merged-with (attribute value faces &optional frame)
"Merges ATTRIBUTE, initially VALUE, with faces from FACES until absolute.
FACES may be either a single face or a list of faces.
-\[This is an internal function]"
+\[This is an internal function.]"
(cond ((not (face-attribute-relative-p attribute value))
value)
((null faces)
(set-face-attribute face frame :stipple (or stipple 'unspecified)))
-(defun set-face-underline (face underline &optional frame)
+(defun set-face-underline-p (face underline-p &optional frame)
"Specify whether face FACE is underlined.
UNDERLINE nil means FACE explicitly doesn't underline.
UNDERLINE non-nil means FACE explicitly does underlining
with the same of the foreground color.
If UNDERLINE is a string, underline with the color named UNDERLINE.
FRAME nil or not specified means change face on all frames.
-Use `set-face-attribute' to ``unspecify'' underlining."
- (interactive
- (let ((list (read-face-and-attribute :underline)))
- (list (car list) (eq (car (cdr list)) t))))
- (set-face-attribute face frame :underline underline))
-
-
-(defun set-face-underline-p (face underline-p &optional frame)
- "Specify whether face FACE is underlined.
-UNDERLINE-P nil means FACE explicitly doesn't underline.
-UNDERLINE-P non-nil means FACE explicitly does underlining.
-FRAME nil or not specified means change face on all frames.
Use `set-face-attribute' to ``unspecify'' underlining."
(interactive
(let ((list (read-face-and-attribute :underline)))
(list (car list) (eq (car (cdr list)) t))))
(set-face-attribute face frame :underline underline-p))
+(define-obsolete-function-alias 'set-face-underline
+ 'set-face-underline-p "22.1")
+
(defun set-face-inverse-video-p (face inverse-video-p &optional frame)
"Specify whether face FACE is in inverse video.
(aliasfaces nil)
(nonaliasfaces nil)
faces)
- ;; Make a list of the named faces that the `face' property uses.
+ ;; Try to get a face name from the buffer.
+ (if (memq (intern-soft (thing-at-point 'symbol)) (face-list))
+ (setq faces (list (intern-soft (thing-at-point 'symbol)))))
+ ;; Add the named faces that the `face' property uses.
(if (and (listp faceprop)
;; Don't treat an attribute spec as a list of faces.
(not (keywordp (car faceprop)))
(push f faces)))
(if (symbolp faceprop)
(push faceprop faces)))
- ;; If there are none, try to get a face name from the buffer.
- (if (and (null faces)
- (memq (intern-soft (thing-at-point 'symbol)) (face-list)))
- (setq faces (list (intern-soft (thing-at-point 'symbol)))))
+ (delete-dups faces)
;; Build up the completion tables.
(mapatoms (lambda (s)
(unless multiple
(if faces
(setq faces (list (car faces)))))
+ (require 'crm)
(let* ((input
;; Read the input.
- (completing-read
+ (completing-read-multiple
(if (or faces string-describing-default)
(format "%s (default %s): " prompt
- (if faces (mapconcat 'symbol-name faces ", ")
+ (if faces (mapconcat 'symbol-name faces ",")
string-describing-default))
(format "%s: " prompt))
- (complete-in-turn nonaliasfaces aliasfaces) nil t))
+ (complete-in-turn nonaliasfaces aliasfaces)
+ nil t nil nil
+ (if faces (mapconcat 'symbol-name faces ","))))
;; Canonicalize the output.
(output
- (if (equal input "")
- faces
- (if (stringp input)
- (list (intern input))
- input))))
+ (cond ((or (equal input "") (equal input '("")))
+ faces)
+ ((stringp input)
+ (mapcar 'intern (split-string input ", *" t)))
+ ((listp input)
+ (mapcar 'intern input))
+ (input))))
;; Return either a list of faces or just one face.
(if multiple
output
(defun read-face-font (face &optional frame)
"Read the name of a font for FACE on FRAME.
-If optional argument FRAME Is nil or omitted, use the selected frame."
+If optional argument FRAME is nil or omitted, use the selected frame."
(let ((completion-ignore-case t))
(completing-read (format "Set font attributes of face `%s' from font: " face)
(x-list-fonts "*" nil frame))))
(defun read-all-face-attributes (face &optional frame)
"Interactively read all attributes for FACE.
-If optional argument FRAME Is nil or omitted, use the selected frame.
+If optional argument FRAME is nil or omitted, use the selected frame.
Value is a property list of attribute names and new values."
(let (result)
(dolist (attribute face-attribute-name-alist result)
If optional argument FRAME is nil or omitted, modify the face used
for newly created frame, i.e. the global face.
For non-interactive use, `set-face-attribute' is preferred.
-When called from elisp, if FACE is nil, all arguments but FRAME are ignored
+When called from Lisp, if FACE is nil, all arguments but FRAME are ignored
and the face and its settings are obtained by querying the user."
(interactive)
(if face
(terpri))
(dolist (a attrs)
(let ((attr (face-attribute f (car a) frame)))
- (insert (make-string (- max-width (length (cdr a))) ?\ )
- (cdr a) ": " (format "%s" attr) "\n")))))
+ (insert (make-string (- max-width (length (cdr a))) ?\s)
+ (cdr a) ": " (format "%s" attr))
+ (if (and (eq (car a) :inherit)
+ (not (eq attr 'unspecified)))
+ ;; Make a hyperlink to the parent face.
+ (save-excursion
+ (re-search-backward ": \\([^:]+\\)" nil t)
+ (help-xref-button 1 'help-face attr)))
+ (insert "\n")))))
(terpri)))
(print-help-return-message))))
;; face implementation.
(defun face-attr-construct (face &optional frame)
- "Return a defface-style attribute list for FACE on FRAME.
+ "Return a `defface'-style attribute list for FACE on FRAME.
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."
(choice-item light)
(choice-item :tag "default" nil)))
+(defvar default-frame-background-mode nil
+ "Internal variable for the default brightness of the background.
+Emacs sets it automatically depending on the terminal type.
+The value `nil' means `dark'. If Emacs runs in non-windowed
+mode from `xterm' or a similar terminal emulator, the value is
+`light'. On rxvt terminals, the value depends on the environment
+variable COLORFGBG.")
(defun frame-set-background-mode (frame)
"Set up display-dependent faces on FRAME.
(intern (downcase bg-resource)))
((and (null window-system) (null bg-color))
;; No way to determine this automatically (?).
- 'dark)
+ (or default-frame-background-mode 'dark))
;; Unspecified frame background color can only happen
;; on tty's.
((member bg-color '(unspecified "unspecified-bg"))
- 'dark)
+ (or default-frame-background-mode 'dark))
((equal bg-color "unspecified-fg") ; inverted colors
- 'light)
+ (if (eq default-frame-background-mode 'light) 'dark 'light))
((>= (apply '+ (x-color-values bg-color frame))
;; Just looking at the screen, colors whose
;; values add up to .6 of the white total
;; Update the colors of FACE, after FRAME's own colors have been
;; changed.
-(defalias 'frame-update-face-colors 'frame-set-background-mode)
-(make-obsolete 'frame-update-face-colors 'frame-set-background-mode "21.1")
+(define-obsolete-function-alias 'frame-update-face-colors
+ 'frame-set-background-mode "21.1")
\f
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
:group 'basic-faces)
(defface mode-line-highlight
- '((((class color) (min-colors 88) (background light))
- :background "RoyalBlue4" :foreground "white")
- (((class color) (min-colors 88) (background dark))
- :background "light sky blue" :foreground "black")
- (t
- :inverse-video t))
+ '((((class color) (min-colors 88))
+ :box (:line-width 2 :color "grey40" :style released-button))
+ (t
+ :inherit highlight))
"Basic mode line face for highlighting."
:version "22.1"
:group 'modeline
:group 'basic-faces)
(defface vertical-border
- '((default :inherit mode-line-inactive))
+ '((((type tty)) :inherit mode-line-inactive))
"Face used for vertical window dividers on ttys."
:version "22.1"
:group 'modeline
:group 'basic-faces)
-(defface minibuffer-prompt '((((background dark)) :foreground "cyan")
- ;; Don't use blue because many users of
- ;; the MS-DOS port customize their
- ;; foreground color to be blue.
- (((type pc)) :foreground "magenta")
- (t :foreground "dark blue"))
- "Face for minibuffer prompts."
+(defface minibuffer-prompt
+ '((((background dark)) :foreground "cyan")
+ ;; Don't use blue because many users of the MS-DOS port customize
+ ;; their foreground color to be blue.
+ (((type pc)) :foreground "magenta")
+ (t :foreground "dark blue"))
+ "Face for minibuffer prompts.
+By default, Emacs automatically adds this face to the value of
+`minibuffer-prompt-properties', which is a list of text properties
+used to display the prompt text."
:version "22.1"
:group 'basic-faces)
;; because in some cases the display engine will do it's own
;; workaround (to `dim' on ttys)
:slant italic))
- "Basic italic font."
+ "Basic italic face."
:group 'basic-faces)
;; See the comment in minibuffer-prompt for
;; the reason not to use blue on MS-DOS.
(((type pc)) :foreground "magenta")
- ;; red4 is too light -- rms.
- (t :foreground "blue"))
+ ;; red4 is too dark, but some say blue is too loud.
+ ;; brown seems to work ok. -- rms.
+ (t :foreground "brown"))
"Face for characters displayed as ^-sequences or \-sequences."
:group 'basic-faces
:version "22.1")
-(defface no-break-space
+(defface nobreak-space
'((((class color) (min-colors 88)) :inherit escape-glyph :underline t)
- (((class color) (min-colors 8)) :background "magenta" :foreground )
+ (((class color) (min-colors 8)) :background "magenta")
(t :inverse-video t))
- "Face for non-breaking space."
+ "Face for displaying nobreak space."
:group 'basic-faces
:version "22.1")
(defface shadow
- '((((background dark)) :foreground "grey70")
- (((background light)) :foreground "grey50"))
+ '((((class color grayscale) (min-colors 88) (background light))
+ :foreground "grey50")
+ (((class color grayscale) (min-colors 88) (background dark))
+ :foreground "grey70")
+ (((class color) (min-colors 8) (background light))
+ :foreground "green")
+ (((class color) (min-colors 8) (background dark))
+ :foreground "yellow"))
"Basic face for shadowed text."
:group 'basic-faces
:version "22.1")