;;; facemenu.el --- create a face menu for interactively adding fonts to text
-;; Copyright (c) 1994, 1995, 1996, 2001, 2002 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 1995, 1996, 2001, 2002, 2003, 2004,
+;; 2005, 2006 Free Software Foundation, Inc.
;; Author: Boris Goldowsky <boris@gnu.org>
;; Keywords: faces
;; 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:
;; modifications before inserting or typing anything.
;;
;; Faces can be selected from the keyboard as well.
-;; The standard keybindings are M-g (or ESC g) + letter:
-;; M-g i = "set italic", M-g b = "set bold", etc.
+;; The standard keybindings are M-o (or ESC o) + letter:
+;; M-o i = "set italic", M-o b = "set bold", etc.
;;; Customization:
;; An alternative set of keybindings that may be easier to type can be set up
(require 'button))
;;; Provide some binding for startup:
-;;;###autoload (define-key global-map "\M-g" 'facemenu-keymap)
+;;;###autoload (define-key global-map "\M-o" 'facemenu-keymap)
;;;###autoload (autoload 'facemenu-keymap "facemenu" "Keymap for face-changing commands." t 'keymap)
;; Global bindings:
(define-key global-map [C-down-mouse-2] 'facemenu-menu)
-(define-key global-map "\M-g" 'facemenu-keymap)
+(define-key global-map "\M-o" 'facemenu-keymap)
(defgroup facemenu nil
- "Create a face menu for interactively adding fonts to text"
+ "Create a face menu for interactively adding fonts to text."
:group 'faces
:prefix "facemenu-")
"Menu keymap for faces.")
;;;###autoload
(defalias 'facemenu-face-menu facemenu-face-menu)
+(put 'facemenu-face-menu 'menu-enable '(facemenu-enable-faces-p))
;;;###autoload
(defvar facemenu-foreground-menu
"Menu keymap for foreground colors.")
;;;###autoload
(defalias 'facemenu-foreground-menu facemenu-foreground-menu)
+(put 'facemenu-foreground-menu 'menu-enable '(facemenu-enable-faces-p))
;;;###autoload
(defvar facemenu-background-menu
"Menu keymap for background colors.")
;;;###autoload
(defalias 'facemenu-background-menu facemenu-background-menu)
+(put 'facemenu-background-menu 'menu-enable '(facemenu-enable-faces-p))
+
+;;; Condition for enabling menu items that set faces.
+(defun facemenu-enable-faces-p ()
+ (not (and font-lock-mode font-lock-defaults)))
;;;###autoload
(defvar facemenu-special-menu
(region-beginning))
(if (and mark-active (not current-prefix-arg))
(region-end))))
- (unless (color-defined-p color)
- (message "Color `%s' undefined" color))
- (facemenu-add-new-color color 'facemenu-foreground-menu)
- (facemenu-add-face (list (list :foreground color)) start end))
+ (facemenu-set-face-from-menu
+ (facemenu-add-new-color color 'facemenu-foreground-menu)
+ start end))
;;;###autoload
(defun facemenu-set-background (color &optional start end)
(region-beginning))
(if (and mark-active (not current-prefix-arg))
(region-end))))
- (unless (color-defined-p color)
- (message "Color `%s' undefined" color))
- (facemenu-add-new-color color 'facemenu-background-menu)
- (facemenu-add-face (list (list :background color)) start end))
+ (facemenu-set-face-from-menu
+ (facemenu-add-new-color color 'facemenu-background-menu)
+ start end))
;;;###autoload
(defun facemenu-set-face-from-menu (face start end)
"Set the FACE of the region or next character typed.
-This function is designed to be called from a menu; the face to use
-is the menu item's name.
+This function is designed to be called from a menu; FACE is determined
+using the event type of the menu entry. If FACE is a symbol whose
+name starts with \"fg:\" or \"bg:\", then this functions sets the
+foreground or background to the color specified by the rest of the
+symbol's name. Any other symbol is considered the name of a face.
If the region is active (normally true except in Transient Mark mode)
and there is no prefix argument, this command sets the region to the
requested face.
Otherwise, this command specifies the face for the next character
-inserted. Moving point or switching buffers before
-typing a character to insert cancels the specification."
+inserted. Moving point or switching buffers before typing a character
+to insert cancels the specification."
(interactive (list last-command-event
(if (and mark-active (not current-prefix-arg))
(region-beginning))
(if (and mark-active (not current-prefix-arg))
(region-end))))
(barf-if-buffer-read-only)
- (facemenu-get-face face)
- (if start
- (facemenu-add-face face start end)
- (facemenu-add-face face)))
+ (facemenu-add-face
+ (let ((fn (symbol-name face)))
+ (if (string-match "\\`\\([fb]\\)g:\\(.+\\)" fn)
+ (list (list (if (string= (match-string 1 fn) "f")
+ :foreground
+ :background)
+ (match-string 2 fn)))
+ face))
+ start end))
;;;###autoload
(defun facemenu-set-invisible (start end)
;;;###autoload
(defun facemenu-read-color (&optional prompt)
"Read a color using the minibuffer."
- (let ((col (completing-read (or prompt "Color: ")
- (or facemenu-color-alist
- (defined-colors))
- nil t)))
+ (let* ((completion-ignore-case t)
+ (col (completing-read (or prompt "Color: ")
+ (or facemenu-color-alist
+ (defined-colors))
+ nil t)))
(if (equal "" col)
nil
col)))
;;;###autoload
-(defun list-colors-display (&optional list)
+(defun list-colors-display (&optional list buffer-name)
"Display names of defined colors, and show what they look like.
If the optional argument LIST is non-nil, it should be a list of
-colors to display. Otherwise, this command computes a list
-of colors that the current display can handle."
+colors to display. Otherwise, this command computes a list of
+colors that the current display can handle. If the optional
+argument BUFFER-NAME is nil, it defaults to *Colors*."
(interactive)
(when (and (null list) (> (display-color-cells) 0))
- (setq list (defined-colors))
- ;; Delete duplicate colors.
-
- ;; Identify duplicate colors by the name rather than the color
- ;; value. For example, on MS-Windows, logical colors are added to
- ;; the list that might have the same value but have different
- ;; names and meanings. For example, `SystemMenuText' (the color
- ;; w32 uses for the text in menu entries) and `SystemWindowText'
- ;; (the default color w32 uses for the text in windows and
- ;; dialogs) may be the same display color and be adjacent in the
- ;; list. Detecting duplicates by name insures that both of these
- ;; colors remain despite identical color values.
- (let ((l list))
- (while (cdr l)
- (if (facemenu-color-name-equal (car l) (car (cdr l)))
- (setcdr l (cdr (cdr l)))
- (setq l (cdr l)))))
+ (setq list (list-colors-duplicates (defined-colors)))
(when (memq (display-visual-class) '(gray-scale pseudo-color direct-color))
;; Don't show more than what the display can handle.
(let ((lc (nthcdr (1- (display-color-cells)) list)))
(if lc
(setcdr lc nil)))))
- (with-output-to-temp-buffer "*Colors*"
+ (with-output-to-temp-buffer (or buffer-name "*Colors*")
(save-excursion
(set-buffer standard-output)
- (let (s)
- (while list
- (setq s (point))
- (insert (car list))
- (indent-to 20)
- (put-text-property s (point) 'face
- (cons 'background-color (car list)))
- (setq s (point))
- (insert " " (car list) "\n")
- (put-text-property s (point) 'face
- (cons 'foreground-color (car list)))
- (setq list (cdr list)))))))
+ (setq truncate-lines t)
+ (if temp-buffer-show-function
+ (list-colors-print list)
+ ;; Call list-colors-print from temp-buffer-show-hook
+ ;; to get the right value of window-width in list-colors-print
+ ;; after the buffer is displayed.
+ (add-hook 'temp-buffer-show-hook
+ (lambda () (list-colors-print list)) nil t)))))
+
+(defun list-colors-print (list)
+ (dolist (color list)
+ (if (consp color)
+ (if (cdr color)
+ (setq color (sort color (lambda (a b)
+ (string< (downcase a)
+ (downcase b))))))
+ (setq color (list color)))
+ (put-text-property
+ (prog1 (point)
+ (insert (car color))
+ (indent-to 22))
+ (point)
+ 'face (cons 'background-color (car color)))
+ (put-text-property
+ (prog1 (point)
+ (insert " " (if (cdr color)
+ (mapconcat 'identity (cdr color) ", ")
+ (car color))))
+ (point)
+ 'face (cons 'foreground-color (car color)))
+ (indent-to (max (- (window-width) 8) 44))
+ (insert (apply 'format "#%02x%02x%02x"
+ (mapcar (lambda (c) (lsh c -8))
+ (color-values (car color)))))
+
+ (insert "\n"))
+ (goto-char (point-min)))
+
+(defun list-colors-duplicates (&optional list)
+ "Return a list of colors with grouped duplicate colors.
+If a color has no duplicates, then the element of the returned list
+has the form '(COLOR-NAME). The element of the returned list with
+duplicate colors has the form '(COLOR-NAME DUPLICATE-COLOR-NAME ...).
+This function uses the predicate `facemenu-color-equal' to compare
+color names. If the optional argument LIST is non-nil, it should
+be a list of colors to display. Otherwise, this function uses
+a list of colors that the current display can handle."
+ (let* ((list (mapcar 'list (or list (defined-colors))))
+ (l list))
+ (while (cdr l)
+ (if (and (facemenu-color-equal (car (car l)) (car (car (cdr l))))
+ (not (if (boundp 'w32-default-color-map)
+ (not (assoc (car (car l)) w32-default-color-map)))))
+ (progn
+ (setcdr (car l) (cons (car (car (cdr l))) (cdr (car l))))
+ (setcdr l (cdr (cdr l))))
+ (setq l (cdr l))))
+ list))
(defun facemenu-color-equal (a b)
"Return t if colors A and B are the same color.
(cond ((equal a b) t)
((equal (color-values a) (color-values b)))))
-(defun facemenu-color-name-equal (a b)
- "Return t if colors A and B are the same color.
-A and B should be strings naming colors. These names are
-downcased, stripped of spaces and the string `grey' is turned
-into `gray'. This accommodates alternative spellings of colors
-found commonly in the list. It returns nil if the colors differ."
- (progn
- (setq a (replace-regexp-in-string "grey" "gray"
- (replace-regexp-in-string " " ""
- (downcase a)))
- b (replace-regexp-in-string "grey" "gray"
- (replace-regexp-in-string " " ""
- (downcase b))))
-
- (equal a b)))
-
(defun facemenu-add-face (face &optional start end)
"Add FACE to text between START and END.
If START is nil or START to END is empty, add FACE to next typed character
self-insert-face
(list self-insert-face)))
face)
- self-insert-face-command this-command)))))
+ self-insert-face-command this-command))))
+ (unless (facemenu-enable-faces-p)
+ (message "Font-lock mode will override any faces you set in this buffer")))
(defun facemenu-active-faces (face-list &optional frame)
"Return from FACE-LIST those faces that would be used for display.
(setq face-list (cdr face-list)))
(nreverse active-list)))
-(defun facemenu-get-face (symbol)
- "Make sure FACE exists.
-If not, create it and add it to the appropriate menu. Return the SYMBOL."
- (let ((name (symbol-name symbol)))
- (cond ((facep symbol))
- (t (make-face symbol))))
- symbol)
-
(defun facemenu-add-new-face (face)
"Add FACE (a face) to the Face menu.
(define-key menu key (cons name function))))))
nil) ; Return nil for facemenu-iterate
-(defun facemenu-add-new-color (color &optional menu)
+(defun facemenu-add-new-color (color menu)
"Add COLOR (a color name string) to the appropriate Face menu.
-MENU should be `facemenu-foreground-menu' or
-`facemenu-background-menu'.
+MENU should be `facemenu-foreground-menu' or `facemenu-background-menu'.
+Return the event type (a symbol) of the added menu entry.
This is called whenever you use a new color."
- (let* (name
- symbol
- docstring
- function menu-val key
- (color-p (memq menu '(facemenu-foreground-menu
- facemenu-background-menu))))
- (unless (stringp color)
- (error "%s is not a color" color))
- (setq name color
- symbol (intern name))
-
+ (let (symbol docstring)
+ (unless (color-defined-p color)
+ (error "Color `%s' undefined" color))
(cond ((eq menu 'facemenu-foreground-menu)
(setq docstring
(format "Select foreground color %s for subsequent insertion."
- name)))
+ color)
+ symbol (intern (concat "fg:" color))))
((eq menu 'facemenu-background-menu)
(setq docstring
(format "Select background color %s for subsequent insertion."
- name))))
- (cond ((facemenu-iterate ; check if equivalent face is already in the menu
- (lambda (m) (and (listp m)
- (symbolp (car m))
- (stringp (cadr m))
- (string-equal (cadr m) color)))
- (cdr (symbol-function menu))))
- (t ; No keyboard equivalent. Figure out where to put it:
- (setq key (vector symbol)
- function 'facemenu-set-face-from-menu
- menu-val (symbol-function menu))
- (if (and facemenu-new-faces-at-end
- (> (length menu-val) 3))
- (define-key-after menu-val key (cons name function)
- (car (nth (- (length menu-val) 3) menu-val)))
- (define-key menu key (cons name function))))))
- nil) ; Return nil for facemenu-iterate
+ color)
+ symbol (intern (concat "bg:" color))))
+ (t (error "MENU should be `facemenu-foreground-menu' or `facemenu-background-menu'")))
+ (unless (facemenu-iterate ; Check if color is already in the menu.
+ (lambda (m) (and (listp m)
+ (eq (car m) symbol)))
+ (cdr (symbol-function menu)))
+ ;; Color is not in the menu. Figure out where to put it.
+ (let ((key (vector symbol))
+ (function 'facemenu-set-face-from-menu)
+ (menu-val (symbol-function menu)))
+ (if (and facemenu-new-faces-at-end
+ (> (length menu-val) 3))
+ (define-key-after menu-val key (cons color function)
+ (car (nth (- (length menu-val) 3) menu-val)))
+ (define-key menu key (cons color function)))))
+ symbol))
(defun facemenu-complete-face-list (&optional oldlist)
"Return list of all faces that look different.