-;;; facemenu.el -- Create a face menu for interactively adding fonts to text
-;; Copyright (c) 1994 Free Software Foundation, Inc.
+;;; facemenu.el --- create a face menu for interactively adding fonts to text
-;; Author: Boris Goldowsky <boris@cs.rochester.edu>
+;; Copyright (c) 1994, 1995, 1996 Free Software Foundation, Inc.
+
+;; Author: Boris Goldowsky <boris@gnu.ai.mit.edu>
;; Keywords: faces
;; This file is part of GNU Emacs.
;; GNU General Public License for more details.
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; 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.
;;; Commentary:
+
;; This file defines a menu of faces (bold, italic, etc) which allows you to
;; set the face used for a region of the buffer. Some faces also have
;; keybindings, which are shown in the menu. Faces with names beginning with
-;; "fg:" or "bg:", as in "fg:red", are treated specially. It is assumed that
+;; "fg:" or "bg:", as in "fg:red", are treated specially.
;; Such faces are assumed to consist only of a foreground (if "fg:") or
;; background (if "bg:") color. They are thus put into the color submenus
-;; rather than the general Face submenu. Such faces can also be created on
-;; demand from the "Other..." menu items.
+;; rather than the general Face submenu. These faces can also be
+;; automatically created by selecting the "Other..." menu items in the
+;; "Foreground" and "Background" submenus.
+;;
+;; The menu also contains submenus for indentation and justification-changing
+;; commands.
;;; Usage:
;; Selecting a face from the menu or typing the keyboard equivalent will
;; modifications before inserting or typing anything.
;;
;; Faces can be selected from the keyboard as well.
-;; The standard keybindings are M-s (or ESC s) + letter:
-;; M-s i = "set italic", M-s b = "set bold", etc.
+;; The standard keybindings are M-g (or ESC g) + letter:
+;; M-g i = "set italic", M-g b = "set bold", etc.
;;; Customization:
;; An alternative set of keybindings that may be easier to type can be set up
-;; using "Hyper" keys. This requires that you set up a hyper-key on your
-;; keyboard. On my system, putting the following command in my .xinitrc:
+;; using "Alt" or "Hyper" keys. This requires that you either have or create
+;; an Alt or Hyper key on your keyboard. On my keyboard, there is a key
+;; labeled "Alt", but to make it act as an Alt key I have to put this command
+;; into my .xinitrc:
+;; xmodmap -e "add Mod3 = Alt_L"
+;; Or, I can make it into a Hyper key with this:
;; xmodmap -e "keysym Alt_L = Hyper_L" -e "add Mod2 = Hyper_L"
-;; makes the key labelled "Alt" act as a hyper key, but check with local
-;; X-perts for how to do it on your system. If you do this, then put the
-;; following in your .emacs before the (require 'facemenu):
+;; Check with local X-perts for how to do it on your system.
+;; Then you can define your keybindings with code like this in your .emacs:
;; (setq facemenu-keybindings
;; '((default . [?\H-d])
;; (bold . [?\H-b])
;; (italic . [?\H-i])
-;; (bold-italic . [?\H-o])
+;; (bold-italic . [?\H-l])
;; (underline . [?\H-u])))
;; (setq facemenu-keymap global-map)
;; (setq facemenu-key nil)
+;; (define-key global-map [?\H-c] 'facemenu-set-foreground) ; set fg color
+;; (define-key global-map [?\H-C] 'facemenu-set-background) ; set bg color
+;; (require 'facemenu)
;;
-;; In general, the order of the faces that appear in the menu and their
-;; keybindings can be controlled by setting the variable
-;; `facemenu-keybindings'. Faces that you never want to add to your
-;; document (e.g., `region') are listed in `facemenu-unlisted-faces'.
+;; The order of the faces that appear in the menu and their keybindings can be
+;; controlled by setting the variables `facemenu-keybindings' and
+;; `facemenu-new-faces-at-end'. List faces that you don't use in documents
+;; (eg, `region') in `facemenu-unlisted-faces'.
;;; Known Problems:
+;; Bold and Italic do not combine to create bold-italic if you select them
+;; both, although most other combinations (eg bold + underline + some color)
+;; do the intuitive thing.
+;;
;; There is at present no way to display what the faces look like in
;; the menu itself.
;;
(provide 'facemenu)
+;;; Provide some binding for startup:
+;;;###autoload (define-key global-map "\M-g" 'facemenu-keymap)
+;;;###autoload (autoload 'facemenu-keymap "facemenu" "Keymap for face-changing commands." t 'keymap)
+
(defvar facemenu-key "\M-g"
- "Prefix to use for facemenu commands.")
+ "Prefix key to use for facemenu commands.")
(defvar facemenu-keybindings
'((default . "d")
(bold . "b")
(italic . "i")
- (bold-italic . "o") ; O for "Oblique" or "bOld"...
+ (bold-italic . "l") ; {bold} intersect {italic} = {l}
(underline . "u"))
"Alist of interesting faces and keybindings.
Each element is itself a list: the car is the name of the face,
If you change this variable after loading facemenu.el, you will need to call
`facemenu-update' to make it take effect.")
+(defvar facemenu-new-faces-at-end t
+ "Where in the menu to insert newly-created faces.
+This should be nil to put them at the top of the menu, or t to put them
+just before \"Other\" at the end.")
+
(defvar facemenu-unlisted-faces
'(modeline region secondary-selection highlight scratch-face)
- "Faces that are not included in the Face menu.
-Set this before loading facemenu.el, or call `facemenu-update' after
-changing it.")
+ "List of faces not to include in the Face menu.
+You can set this list before loading facemenu.el, or add a face to it before
+creating that face if you do not want it to be listed. If you change the
+variable so as to eliminate faces that have already been added to the menu,
+call `facemenu-update' to recalculate the menu contents.
+
+If this variable is t, no faces will be added to the menu. This is useful for
+temporarily turning off the feature that automatically adds faces to the menu
+when they are created.")
-(defvar facemenu-face-menu
+;;;###autoload
+(defvar facemenu-face-menu
(let ((map (make-sparse-keymap "Face")))
- (define-key map [other] (cons "Other..." 'facemenu-set-face))
+ (define-key map "o" (cons "Other..." 'facemenu-set-face))
map)
"Menu keymap for faces.")
+;;;###autoload
+(defalias 'facemenu-face-menu facemenu-face-menu)
+;;;###autoload
(defvar facemenu-foreground-menu
(let ((map (make-sparse-keymap "Foreground Color")))
- (define-key map "o" (cons "Other" 'facemenu-set-foreground))
+ (define-key map "o" (cons "Other..." 'facemenu-set-foreground))
map)
"Menu keymap for foreground colors.")
+;;;###autoload
+(defalias 'facemenu-foreground-menu facemenu-foreground-menu)
+;;;###autoload
(defvar facemenu-background-menu
(let ((map (make-sparse-keymap "Background Color")))
- (define-key map "o" (cons "Other" 'facemenu-set-background))
+ (define-key map "o" (cons "Other..." 'facemenu-set-background))
map)
"Menu keymap for background colors")
+;;;###autoload
+(defalias 'facemenu-background-menu facemenu-background-menu)
+;;;###autoload
(defvar facemenu-special-menu
(let ((map (make-sparse-keymap "Special")))
- (define-key map [read-only] (cons "Read-Only" 'facemenu-set-read-only))
- (define-key map [invisible] (cons "Invisible" 'facemenu-set-invisible))
+ (define-key map [?s] (cons "Remove Special" 'facemenu-remove-special))
+ (define-key map [?t] (cons "Intangible" 'facemenu-set-intangible))
+ (define-key map [?v] (cons "Invisible" 'facemenu-set-invisible))
+ (define-key map [?r] (cons "Read-Only" 'facemenu-set-read-only))
map)
"Menu keymap for non-face text-properties.")
+;;;###autoload
+(defalias 'facemenu-special-menu facemenu-special-menu)
-(defvar facemenu-menu
- (let ((map (make-sparse-keymap "Face")))
- (define-key map [display] (cons "Display Faces" 'list-faces-display))
- (define-key map [remove] (cons "Remove Props" 'facemenu-remove-all))
- (define-key map [sep1] (list "-----------------"))
- (define-key map [special] (cons "Special Props" facemenu-special-menu))
- (define-key map [bg] (cons "Background Color" facemenu-background-menu))
- (define-key map [fg] (cons "Foreground Color" facemenu-foreground-menu))
- (define-key map [face] (cons "Face" facemenu-face-menu))
+;;;###autoload
+(defvar facemenu-justification-menu
+ (let ((map (make-sparse-keymap "Justification")))
+ (define-key map [?c] (cons "Center" 'set-justification-center))
+ (define-key map [?b] (cons "Full" 'set-justification-full))
+ (define-key map [?r] (cons "Right" 'set-justification-right))
+ (define-key map [?l] (cons "Left" 'set-justification-left))
+ (define-key map [?u] (cons "Unfilled" 'set-justification-none))
map)
+ "Submenu for text justification commands.")
+;;;###autoload
+(defalias 'facemenu-justification-menu facemenu-justification-menu)
+
+;;;###autoload
+(defvar facemenu-indentation-menu
+ (let ((map (make-sparse-keymap "Indentation")))
+ (define-key map [decrease-right-margin]
+ (cons "Indent Right Less" 'decrease-right-margin))
+ (define-key map [increase-right-margin]
+ (cons "Indent Right More" 'increase-right-margin))
+ (define-key map [decrease-left-margin]
+ (cons "Indent Less" 'decrease-left-margin))
+ (define-key map [increase-left-margin]
+ (cons "Indent More" 'increase-left-margin))
+ map)
+ "Submenu for indentation commands.")
+;;;###autoload
+(defalias 'facemenu-indentation-menu facemenu-indentation-menu)
+
+;; This is split up to avoid an overlong line in loaddefs.el.
+;;;###autoload
+(defvar facemenu-menu nil
"Facemenu top-level menu keymap.")
+;;;###autoload
+(setq facemenu-menu (make-sparse-keymap "Text Properties"))
+;;;###autoload
+(let ((map facemenu-menu))
+ (define-key map [dc] (cons "Display Colors" 'list-colors-display))
+ (define-key map [df] (cons "Display Faces" 'list-faces-display))
+ (define-key map [dp] (cons "List Properties" 'list-text-properties-at))
+ (define-key map [ra] (cons "Remove All" 'facemenu-remove-all))
+ (define-key map [rm] (cons "Remove Properties" 'facemenu-remove-props))
+ (define-key map [s1] (list "-----------------")))
+;;;###autoload
+(let ((map facemenu-menu))
+ (define-key map [in] (cons "Indentation" 'facemenu-indentation-menu))
+ (define-key map [ju] (cons "Justification" 'facemenu-justification-menu))
+ (define-key map [s2] (list "-----------------"))
+ (define-key map [sp] (cons "Special Properties" 'facemenu-special-menu))
+ (define-key map [bg] (cons "Background Color" 'facemenu-background-menu))
+ (define-key map [fg] (cons "Foreground Color" 'facemenu-foreground-menu))
+ (define-key map [fc] (cons "Face" 'facemenu-face-menu)))
+;;;###autoload
+(defalias 'facemenu-menu facemenu-menu)
-(defvar facemenu-keymap (make-sparse-keymap "Set face")
- "Map for keyboard face-changing commands.
+(defvar facemenu-keymap
+ (let ((map (make-sparse-keymap "Set face")))
+ (define-key map "o" (cons "Other..." 'facemenu-set-face))
+ map)
+ "Keymap for face-changing commands.
`Facemenu-update' fills in the keymap according to the bindings
requested in `facemenu-keybindings'.")
+(defalias 'facemenu-keymap facemenu-keymap)
+
+
+(defvar facemenu-add-face-function nil
+ "Function called at beginning of text to change or `nil'.
+This function is passed the FACE to set and END of text to change, and must
+return a string which is inserted. It may set `facemenu-end-add-face'.")
+
+(defvar facemenu-end-add-face nil
+ "String to insert or function called at end of text to change or `nil'.
+This function is passed the FACE to set, and must return a string which is
+inserted.")
+
+(defvar facemenu-remove-face-function nil
+ "When non-`nil' function called to remove faces.
+This function is passed the START and END of text to change.
+May also be `t' meaning to use `facemenu-add-face-function'.")
;;; Internal Variables
"Alist of colors, used for completion.
If null, `facemenu-read-color' will set it.")
-(defvar facemenu-next nil) ; set when we are going to set a face on next char.
-(defvar facemenu-loc nil)
-
(defun facemenu-update ()
"Add or update the \"Face\" menu in the menu bar.
You can call this to update things if you change any of the menu configuration
(interactive)
;; Global bindings:
- (define-key global-map [C-down-mouse-2] facemenu-menu)
- (if facemenu-key (define-key global-map facemenu-key facemenu-keymap))
+ (define-key global-map [C-down-mouse-2] 'facemenu-menu)
+ (if facemenu-key (define-key global-map facemenu-key 'facemenu-keymap))
;; Add each defined face to the menu.
(facemenu-iterate 'facemenu-add-new-face
It will be added to the top of the face list; any faces lower on the list that
will not show through at all will be removed.
-Interactively, the face to be used is prompted for.
-If the region is active, it will be set to the requested face. If
-it is inactive \(even if mark-even-if-inactive is set) the next
-character that is typed \(via `self-insert-command') will be set to
-the the selected face. Moving point or switching buffers before
-typing a character cancels the request."
+Interactively, the face to be used is read with the minibuffer.
+
+If the region is active 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."
(interactive (list (read-face-name "Use face: ")))
- (if mark-active
+ (barf-if-buffer-read-only)
+ (facemenu-add-new-face face)
+ (if (and mark-active (not current-prefix-arg))
(let ((start (or start (region-beginning)))
(end (or end (region-end))))
(facemenu-add-face face start end))
- (setq facemenu-next face
- facemenu-loc (point))))
+ (facemenu-add-face face)))
;;;###autoload
(defun facemenu-set-foreground (color &optional start end)
If the region is active, it will be set to the requested face. If
it is inactive \(even if mark-even-if-inactive is set) the next
character that is typed \(via `self-insert-command') will be set to
-the the selected face. Moving point or switching buffers before
+the selected face. Moving point or switching buffers before
typing a character cancels the request."
(interactive (list (facemenu-read-color "Foreground color: ")))
(let ((face (intern (concat "fg:" color))))
If the region is active, it will be set to the requested face. If
it is inactive \(even if mark-even-if-inactive is set) the next
character that is typed \(via `self-insert-command') will be set to
-the the selected face. Moving point or switching buffers before
+the selected face. Moving point or switching buffers before
typing a character cancels the request."
(interactive (list (facemenu-read-color "Background color: ")))
(let ((face (intern (concat "bg:" color))))
(error "Unknown color: %s" color))
(facemenu-set-face face 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.
-If the region is active, it will be set to the requested face. If
-it is inactive \(even if mark-even-if-inactive is set) the next
-character that is typed \(via `self-insert-command') will be set to
-the the selected face. Moving point or switching buffers before
-typing a character cancels the request."
+
+If the region is active 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."
(interactive (list last-command-event
- (if mark-active (region-beginning))
- (if mark-active (region-end))))
+ (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)
- (setq facemenu-next face facemenu-loc (point))))
+ (facemenu-add-face face)))
+;;;###autoload
(defun facemenu-set-invisible (start end)
"Make the region invisible.
This sets the `invisible' text property; it can be undone with
-`facemenu-remove-all'."
+`facemenu-remove-special'."
(interactive "r")
(put-text-property start end 'invisible t))
+;;;###autoload
(defun facemenu-set-intangible (start end)
"Make the region intangible: disallow moving into it.
This sets the `intangible' text property; it can be undone with
-`facemenu-remove-all'."
+`facemenu-remove-special'."
(interactive "r")
(put-text-property start end 'intangible t))
+;;;###autoload
(defun facemenu-set-read-only (start end)
"Make the region unmodifiable.
This sets the `read-only' text property; it can be undone with
-`facemenu-remove-all'."
+`facemenu-remove-special'."
(interactive "r")
(put-text-property start end 'read-only t))
-(defun facemenu-remove-all (start end)
+;;;###autoload
+(defun facemenu-remove-props (start end)
"Remove all text properties that facemenu added to region."
(interactive "*r") ; error if buffer is read-only despite the next line.
(let ((inhibit-read-only t))
read-only nil category nil))))
;;;###autoload
-(defun facemenu-read-color (prompt)
+(defun facemenu-remove-all (start end)
+ "Remove all text properties from the region."
+ (interactive "*r") ; error if buffer is read-only despite the next line.
+ (let ((inhibit-read-only t))
+ (set-text-properties start end nil)))
+
+;;;###autoload
+(defun facemenu-remove-special (start end)
+ "Remove all the \"special\" text properties from the region.
+These special properties include `invisible', `intangible' and `read-only'."
+ (interactive "*r") ; error if buffer is read-only despite the next line.
+ (let ((inhibit-read-only t))
+ (remove-text-properties
+ start end '(invisible nil intangible nil read-only nil))))
+
+;;;###autoload
+(defun list-text-properties-at (p)
+ "Pop up a buffer listing text-properties at LOCATION."
+ (interactive "d")
+ (let ((props (text-properties-at p))
+ category
+ str)
+ (if (null props)
+ (message "None")
+ (if (and (not (cdr (cdr props)))
+ (not (eq (car props) 'category))
+ (< (length (setq str (format "Text property at %d: %s %S"
+ p (car props) (car (cdr props)))))
+ (frame-width)))
+ (message "%s" str)
+ (with-output-to-temp-buffer "*Text Properties*"
+ (princ (format "Text properties at %d:\n\n" p))
+ (while props
+ (if (eq (car props) 'category)
+ (setq category (car (cdr props))))
+ (princ (format "%-20s %S\n"
+ (car props) (car (cdr props))))
+ (setq props (cdr (cdr props))))
+ (if category
+ (progn
+ (setq props (symbol-plist category))
+ (princ (format "\nCategory %s:\n\n" category))
+ (while props
+ (princ (format "%-20s %S\n"
+ (car props) (car (cdr props))))
+ (if (eq (car props) 'category)
+ (setq category (car (cdr props))))
+ (setq props (cdr (cdr props)))))))))))
+
+;;;###autoload
+(defun facemenu-read-color (&optional prompt)
"Read a color using the minibuffer."
- (let ((col (completing-read (or "Color: ")
+ (let ((col (completing-read (or prompt "Color: ")
(or facemenu-color-alist
- (if (eq 'x window-system)
+ (if window-system
(mapcar 'list (x-defined-colors))))
nil t)))
(if (equal "" col)
nil
col)))
-(defun facemenu-add-face (face start end)
+;;;###autoload
+(defun list-colors-display (&optional list)
+ "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."
+ (interactive)
+ (if (and (null list) window-system)
+ (progn
+ (setq list (x-defined-colors))
+ ;; Delete duplicate colors.
+ (let ((l list))
+ (while (cdr l)
+ (if (facemenu-color-equal (car l) (car (cdr l)))
+ (setcdr l (cdr (cdr l)))
+ (setq l (cdr l)))))))
+ (with-output-to-temp-buffer "*Colors*"
+ (save-excursion
+ (set-buffer standard-output)
+ (let ((facemenu-unlisted-faces t)
+ s)
+ (while list
+ (setq s (point))
+ (insert (car list))
+ (indent-to 20)
+ (put-text-property s (point) 'face
+ (facemenu-get-face
+ (intern (concat "bg:" (car list)))))
+ (setq s (point))
+ (insert " " (car list) "\n")
+ (put-text-property s (point) 'face
+ (facemenu-get-face
+ (intern (concat "fg:" (car list)))))
+ (setq list (cdr list)))))))
+
+(defun facemenu-color-equal (a b)
+ "Return t if colors A and B are the same color.
+A and B should be strings naming colors.
+This function queries the window-system server to find out what the
+color names mean. It returns nil if the colors differ or if it can't
+determine the correct answer."
+ (cond ((equal a b) t)
+ ((and (or (eq window-system 'x) (eq window-system 'win32))
+ (equal (x-color-values a) (x-color-values b))))
+ ((eq window-system 'pc)
+ (and (x-color-defined-p a) (x-color-defined-p b)
+ (eq (msdos-color-translate a) (msdos-color-translate b))))))
+
+(defun facemenu-add-face (face &optional start end)
"Add FACE to text between START and END.
-For each section of that region that has a different face property, FACE will
-be consed onto it, and other faces that are completely hidden by that will be
-removed from the list.
+If START is `nil' or START to END is empty, add FACE to next typed character
+instead. For each section of that region that has a different face property,
+FACE will be consed onto it, and other faces that are completely hidden by
+that will be removed from the list.
+If `facemenu-add-face-function' and maybe `facemenu-end-add-face' are non-`nil'
+they are used to set the face information.
As a special case, if FACE is `default', then the region is left with NO face
text property. Otherwise, selecting the default face would not have any
-effect."
- (interactive "*xFace:\nr")
- (if (eq face 'default)
- (remove-text-properties start end '(face default))
- (let ((part-start start) part-end)
- (while (not (= part-start end))
- (setq part-end (next-single-property-change part-start 'face nil end))
- (let ((prev (get-text-property part-start 'face)))
- (put-text-property part-start part-end 'face
- (if (null prev)
- face
- (facemenu-discard-redundant-faces
- (cons face
- (if (listp prev) prev (list prev)))))))
- (setq part-start part-end)))))
-
-(defun facemenu-discard-redundant-faces (face-list &optional mask)
- "Remove from FACE-LIST any faces that won't show at all.
-This means they have no non-nil elements that aren't also non-nil in an
-earlier face."
- (let ((useful nil))
- (cond ((null face-list) nil)
- ((null mask)
- (cons (car face-list)
- (facemenu-discard-redundant-faces
- (cdr face-list)
- (copy-sequence (internal-get-face (car face-list))))))
- ((let ((i (length mask))
- (face (internal-get-face (car face-list))))
- (while (>= (setq i (1- i)) 0)
- (if (and (aref face i)
- (not (aref mask i)))
- (progn (setq useful t)
- (aset mask i t))))
- useful)
- (cons (car face-list)
- (facemenu-discard-redundant-faces (cdr face-list) mask)))
- (t (facemenu-discard-redundant-faces (cdr face-list) mask)))))
+effect. See `facemenu-remove-face-function'."
+ (interactive "*xFace: \nr")
+ (if (and (eq face 'default)
+ (not (eq facemenu-remove-face-function t)))
+ (if facemenu-remove-face-function
+ (funcall facemenu-remove-face-function start end)
+ (if (and start (< start end))
+ (remove-text-properties start end '(face default))
+ (setq self-insert-face 'default
+ self-insert-face-command this-command)))
+ (if facemenu-add-face-function
+ (save-excursion
+ (if end (goto-char end))
+ (save-excursion
+ (if start (goto-char start))
+ (insert-before-markers
+ (funcall facemenu-add-face-function face end)))
+ (if facemenu-end-add-face
+ (insert (if (stringp facemenu-end-add-face)
+ facemenu-end-add-face
+ (funcall facemenu-end-add-face face)))))
+ (if (and start (< start end))
+ (let ((part-start start) part-end)
+ (while (not (= part-start end))
+ (setq part-end (next-single-property-change part-start 'face
+ nil end))
+ (let ((prev (get-text-property part-start 'face)))
+ (put-text-property part-start part-end 'face
+ (if (null prev)
+ face
+ (facemenu-active-faces
+ (cons face
+ (if (listp prev)
+ prev
+ (list prev)))))))
+ (setq part-start part-end)))
+ (setq self-insert-face (if (eq last-command self-insert-face-command)
+ (cons face (if (listp self-insert-face)
+ self-insert-face
+ (list self-insert-face)))
+ face)
+ self-insert-face-command this-command)))))
+
+(defun facemenu-active-faces (face-list &optional frame)
+ "Return from FACE-LIST those faces that would be used for display.
+This means each face attribute is not specified in a face earlier in FACE-LIST
+and such a face is therefore active when used to display text.
+If the optional argument FRAME is given, use the faces in that frame; otherwise
+use the selected frame. If t, then the global, non-frame faces are used."
+ (let* ((mask-atts (copy-sequence (internal-get-face (car face-list) frame)))
+ (active-list (list (car face-list)))
+ (face-list (cdr face-list))
+ (mask-len (length mask-atts)))
+ (while face-list
+ (if (let ((face-atts (internal-get-face (car face-list) frame))
+ (i mask-len) (useful nil))
+ (while (> (setq i (1- i)) 1)
+ (and (aref face-atts i) (not (aref mask-atts i))
+ (aset mask-atts i (setq useful t))))
+ useful)
+ (setq active-list (cons (car face-list) active-list)))
+ (setq face-list (cdr face-list)))
+ (nreverse active-list)))
(defun facemenu-get-face (symbol)
"Make sure FACE exists.
If not, it is created. If it is created and is of the form `fg:color', then
set the foreground to that color. If of the form `bg:color', set the
-background. In any case, add it to the appropriate menu. Returns nil if
-given a bad color."
- (or (internal-find-face symbol)
- (let* ((face (make-face symbol))
- (name (symbol-name symbol))
- (color (substring name 3)))
- (cond ((string-match "^fg:" name)
- (set-face-foreground face color)
- (and (eq 'x window-system) (x-color-defined-p color)))
- ((string-match "^bg:" name)
- (set-face-background face color)
- (and (eq 'x window-system) (x-color-defined-p color)))
- (t)))))
+background. In any case, add it to the appropriate menu. Returns the face,
+or nil if given a bad color."
+ (if (or (internal-find-face symbol)
+ (let* ((face (make-face symbol))
+ (name (symbol-name symbol))
+ (color (substring name 3)))
+ (cond ((string-match "^fg:" name)
+ (set-face-foreground face color)
+ (and window-system
+ (x-color-defined-p color)))
+ ((string-match "^bg:" name)
+ (set-face-background face color)
+ (and window-system
+ (x-color-defined-p color)))
+ (t))))
+ symbol))
(defun facemenu-add-new-face (face)
"Add a FACE to the appropriate Face menu.
(let* ((name (symbol-name face))
(menu (cond ((string-match "^fg:" name)
(setq name (substring name 3))
- facemenu-foreground-menu)
+ 'facemenu-foreground-menu)
((string-match "^bg:" name)
(setq name (substring name 3))
- facemenu-background-menu)
- (t facemenu-face-menu)))
- key)
- (cond ((memq face facemenu-unlisted-faces)
- nil)
- ((setq key (cdr (assoc face facemenu-keybindings)))
- (let ((function (intern (concat "facemenu-set-" name))))
- (fset function
- (` (lambda () (interactive)
- (facemenu-set-face (quote (, face))))))
- (define-key facemenu-keymap key (cons name function))
- (define-key menu key (cons name function))))
- (t (define-key menu (vector face)
- (cons name 'facemenu-set-face-from-menu)))))
- ;; Return nil for facemenu-iterate's benefit:
- nil)
-
-(defun facemenu-after-change (begin end old-length)
- "May set the face of just-inserted text to user's request.
-This only happens if the change is an insertion, and
-`facemenu-set-face[-from-menu]' was called with point at the
-beginning of the insertion."
- (if (null facemenu-next) ; exit immediately if no work
- nil
- (if (and (= 0 old-length) ; insertion
- (= facemenu-loc begin)) ; point wasn't moved in between
- (facemenu-add-face facemenu-next begin end))
- (setq facemenu-next nil)))
+ 'facemenu-background-menu)
+ (t 'facemenu-face-menu)))
+ (key (cdr (assoc face facemenu-keybindings)))
+ function menu-val)
+ (cond ((eq t facemenu-unlisted-faces))
+ ((memq face facemenu-unlisted-faces))
+ (key ; has a keyboard equivalent. These go at the front.
+ (setq function (intern (concat "facemenu-set-" name)))
+ (fset function
+ (` (lambda () (interactive)
+ (facemenu-set-face (quote (, face))))))
+ (define-key 'facemenu-keymap key (cons name function))
+ (define-key menu key (cons name function)))
+ ((facemenu-iterate ; check if equivalent face is already in the menu
+ (lambda (m) (and (listp m)
+ (symbolp (car m))
+ (face-equal (car m) face)))
+ (cdr (symbol-function menu))))
+ (t ; No keyboard equivalent. Figure out where to put it:
+ (setq key (vector face)
+ 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
(defun facemenu-complete-face-list (&optional oldlist)
- "Return list of all faces that are look different.
+ "Return list of all faces that look different.
Starts with given ALIST of faces, and adds elements only if they display
differently from any face already on the list.
The faces on ALIST will end up at the end of the returned list, in reverse
(car iterate-list))
(facemenu-update)
-(add-hook 'after-change-functions 'facemenu-after-change)
;;; facemenu.el ends here
HCoop / bpt / emacs.git / blobdiff