;; 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.
-;; 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. These faces can also be
-;; automatically created by selecting the "Other..." menu items in the
-;; "Foreground" and "Background" submenus.
+;; keybindings, which are shown in the menu.
;;
;; The menu also contains submenus for indentation and justification-changing
;; commands.
;; insertion. It will be forgotten if you move point or make other
;; modifications before inserting or typing anything.
;;
-;; Faces can be selected from the keyboard as well.
+;; 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.
;;; Code:
-(provide 'facemenu)
-
-(eval-when-compile
+(eval-when-compile
(require 'help)
(require 'button))
;;; 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)
-
+
;; Global bindings:
(define-key global-map [C-down-mouse-2] 'facemenu-menu)
(define-key global-map "\M-g" 'facemenu-keymap)
The faces specifically mentioned in this list are put at the top of
the menu, in the order specified. All other faces which are defined,
-except for those in `facemenu-unlisted-faces', are listed after them,
+except for those in `facemenu-unlisted-faces', are listed after them,
but get no keyboard equivalents.
If you change this variable after loading facemenu.el, you will need to call
(defalias 'facemenu-face-menu facemenu-face-menu)
;;;###autoload
-(defvar facemenu-foreground-menu
+(defvar facemenu-foreground-menu
(let ((map (make-sparse-keymap "Foreground Color")))
(define-key map "o" (cons "Other..." 'facemenu-set-foreground))
map)
(defalias 'facemenu-background-menu facemenu-background-menu)
;;;###autoload
-(defvar facemenu-special-menu
+(defvar facemenu-special-menu
(let ((map (make-sparse-keymap "Special")))
(define-key map [?s] (cons (purecopy "Remove Special")
'facemenu-remove-special))
;;;###autoload
(defvar facemenu-indentation-menu
(let ((map (make-sparse-keymap "Indentation")))
- (define-key map [decrease-right-margin]
+ (define-key map [decrease-right-margin]
(cons (purecopy "Indent Right Less") 'decrease-right-margin))
(define-key map [increase-right-margin]
(cons (purecopy "Indent Right More") 'increase-right-margin))
(let ((map facemenu-menu))
(define-key map [dc] (cons (purecopy "Display Colors") 'list-colors-display))
(define-key map [df] (cons (purecopy "Display Faces") 'list-faces-display))
- (define-key map [dp] (cons (purecopy "Describe Text")
- 'describe-text-at))
+ (define-key map [dp] (cons (purecopy "Describe Properties")
+ 'describe-text-properties))
(define-key map [ra] (cons (purecopy "Remove Text Properties")
'facemenu-remove-all))
(define-key map [rm] (cons (purecopy "Remove Face Properties")
(define-key map [s1] (list (purecopy "--"))))
;;;###autoload
(let ((map facemenu-menu))
- (define-key map [in] (cons (purecopy "Indentation")
+ (define-key map [in] (cons (purecopy "Indentation")
'facemenu-indentation-menu))
(define-key map [ju] (cons (purecopy "Justification")
'facemenu-justification-menu))
(define-key map [s2] (list (purecopy "--")))
- (define-key map [sp] (cons (purecopy "Special Properties")
+ (define-key map [sp] (cons (purecopy "Special Properties")
'facemenu-special-menu))
- (define-key map [bg] (cons (purecopy "Background Color")
+ (define-key map [bg] (cons (purecopy "Background Color")
'facemenu-background-menu))
- (define-key map [fg] (cons (purecopy "Foreground Color")
+ (define-key map [fg] (cons (purecopy "Foreground Color")
'facemenu-foreground-menu))
- (define-key map [fc] (cons (purecopy "Face")
+ (define-key map [fc] (cons (purecopy "Face")
'facemenu-face-menu)))
;;;###autoload
(defalias 'facemenu-menu facemenu-menu)
-(defvar facemenu-keymap
+(defvar facemenu-keymap
(let ((map (make-sparse-keymap "Set face")))
(define-key map "o" (cons (purecopy "Other...") 'facemenu-set-face))
map)
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."
+typing a character to insert cancels the specification."
(interactive (list (progn
(barf-if-buffer-read-only)
(read-face-name "Use face"))
;;;###autoload
(defun facemenu-set-foreground (color &optional start end)
"Set the foreground COLOR of the region or next character typed.
-The color is prompted for. A face named `fg:color' is used \(or created).
+This command reads the color in the minibuffer.
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
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."
+typing a character to insert cancels the specification."
(interactive (list (progn
(barf-if-buffer-read-only)
(facemenu-read-color "Foreground color: "))
(region-end))))
(unless (color-defined-p color)
(message "Color `%s' undefined" color))
- (facemenu-add-new-face color 'facemenu-foreground-menu)
+ (facemenu-add-new-color color 'facemenu-foreground-menu)
(facemenu-add-face (list (list :foreground color)) start end))
;;;###autoload
(defun facemenu-set-background (color &optional start end)
"Set the background COLOR of the region or next character typed.
-Reads the color in the minibuffer.
+This command reads the color in the minibuffer.
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
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."
+typing a character to insert cancels the specification."
(interactive (list (progn
(barf-if-buffer-read-only)
(facemenu-read-color "Background color: "))
(region-end))))
(unless (color-defined-p color)
(message "Color `%s' undefined" color))
- (facemenu-add-new-face color 'facemenu-background-menu)
+ (facemenu-add-new-color color 'facemenu-background-menu)
(facemenu-add-face (list (list :background color)) start end))
;;;###autoload
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."
+typing a character to insert cancels the specification."
(interactive (list last-command-event
(if (and mark-active (not current-prefix-arg))
(region-beginning))
(region-end))))
(barf-if-buffer-read-only)
(facemenu-get-face face)
- (if start
+ (if start
(facemenu-add-face face start end)
(facemenu-add-face face)))
"Remove `face' and `mouse-face' text properties."
(interactive "*r") ; error if buffer is read-only despite the next line.
(let ((inhibit-read-only t))
- (remove-text-properties
+ (remove-text-properties
start end '(face nil mouse-face nil))))
;;;###autoload
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
+ (remove-text-properties
start end '(invisible nil intangible nil read-only nil))))
-
-;;; Describe-Text Mode.
-
-(defun describe-text-done ()
- "Delete the current window or bury the current buffer."
- (interactive)
- (if (> (count-windows) 1)
- (delete-window)
- (bury-buffer)))
-
-(defvar describe-text-mode-map
- (let ((map (make-sparse-keymap)))
- (set-keymap-parent map widget-keymap)
- map)
- "Keymap for `describe-text-mode'.")
-
-(defcustom describe-text-mode-hook nil
- "List of hook functions ran by `describe-text-mode'."
- :type 'hook)
-
-(defun describe-text-mode ()
- "Major mode for buffers created by `describe-text-at'.
-
-\\{describe-text-mode-map}
-Entry to this mode calls the value of `describe-text-mode-hook'
-if that value is non-nil."
- (kill-all-local-variables)
- (setq major-mode 'describe-text-mode
- mode-name "Describe-Text")
- (use-local-map describe-text-mode-map)
- (widget-setup)
- (run-hooks 'describe-text-mode-hook))
-
-;;; Describe-Text Utilities.
-
-(defun describe-text-widget (widget)
- "Insert text to describe WIDGET in the current buffer."
- (widget-create 'link
- :notify `(lambda (&rest ignore)
- (widget-browse ',widget))
- (format "%S" (if (symbolp widget)
- widget
- (car widget))))
- (widget-insert " ")
- (widget-create 'info-link :tag "widget" "(widget)Top"))
-
-(defun describe-text-sexp (sexp)
- "Insert a short description of SEXP in the current buffer."
- (let ((pp (condition-case signal
- (pp-to-string sexp)
- (error (prin1-to-string signal)))))
- (when (string-match "\n\\'" pp)
- (setq pp (substring pp 0 (1- (length pp)))))
- (if (cond ((string-match "\n" pp)
- nil)
- ((> (length pp) (- (window-width) (current-column)))
- nil)
- (t t))
- (widget-insert pp)
- (widget-create 'push-button
- :tag "show"
- :action (lambda (widget &optional event)
- (with-output-to-temp-buffer
- "*Pp Eval Output*"
- (princ (widget-get widget :value))))
- pp))))
-
-
-(defun describe-text-properties (properties)
- "Insert a description of PROPERTIES in the current buffer.
-PROPERTIES should be a list of overlay or text properties.
-The `category' property is made into a widget button that call
-`describe-text-category' when pushed."
- (while properties
- (widget-insert (format " %-20s " (car properties)))
- (let ((key (nth 0 properties))
- (value (nth 1 properties)))
- (cond ((eq key 'category)
- (widget-create 'link
- :notify `(lambda (&rest ignore)
- (describe-text-category ',value))
- (format "%S" value)))
- ((widgetp value)
- (describe-text-widget value))
- (t
- (describe-text-sexp value))))
- (widget-insert "\n")
- (setq properties (cdr (cdr properties)))))
-
-;;; Describe-Text Commands.
-
-(defun describe-text-category (category)
- "Describe a text property category."
- (interactive "S")
- (when (get-buffer "*Text Category*")
- (kill-buffer "*Text Category*"))
- (save-excursion
- (with-output-to-temp-buffer "*Text Category*"
- (set-buffer "*Text Category*")
- (widget-insert "Category " (format "%S" category) ":\n\n")
- (describe-text-properties (symbol-plist category))
- (describe-text-mode)
- (goto-char (point-min)))))
-
-;;;###autoload
-(defun describe-text-at (pos)
- "Describe widgets, buttons, overlays and text properties at POS."
- (interactive "d")
- (when (eq (current-buffer) (get-buffer "*Text Description*"))
- (error "Can't do self inspection"))
- (let* ((properties (text-properties-at pos))
- (overlays (overlays-at pos))
- overlay
- (wid-field (get-char-property pos 'field))
- (wid-button (get-char-property pos 'button))
- (wid-doc (get-char-property pos 'widget-doc))
- ;; If button.el is not loaded, we have no buttons in the text.
- (button (and (fboundp 'button-at) (button-at pos)))
- (button-type (and button (button-type button)))
- (button-label (and button (button-label button)))
- (widget (or wid-field wid-button wid-doc)))
- (if (not (or properties overlays))
- (message "This is plain text.")
- (when (get-buffer "*Text Description*")
- (kill-buffer "*Text Description*"))
- (save-excursion
- (with-output-to-temp-buffer "*Text Description*"
- (set-buffer "*Text Description*")
- (widget-insert "Text content at position " (format "%d" pos) ":\n\n")
- ;; Widgets
- (when (widgetp widget)
- (widget-insert (cond (wid-field "This is an editable text area")
- (wid-button "This is an active area")
- (wid-doc "This is documentation text")))
- (widget-insert " of a ")
- (describe-text-widget widget)
- (widget-insert ".\n\n"))
- ;; Buttons
- (when (and button (not (widgetp wid-button)))
- (widget-insert "Here is a " (format "%S" button-type)
- " button labeled `" button-label "'.\n\n"))
- ;; Overlays
- (when overlays
- (if (eq (length overlays) 1)
- (widget-insert "There is an overlay here:\n")
- (widget-insert "There are " (format "%d" (length overlays))
- " overlays here:\n"))
- (dolist (overlay overlays)
- (widget-insert " From " (format "%d" (overlay-start overlay))
- " to " (format "%d" (overlay-end overlay)) "\n")
- (describe-text-properties (overlay-properties overlay)))
- (widget-insert "\n"))
- ;; Text properties
- (when properties
- (widget-insert "There are text properties here:\n")
- (describe-text-properties properties))
- (describe-text-mode)
- (goto-char (point-min)))))))
-
-;;; List Text Properties
-
-;;;###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))
- (setq help-xref-stack nil)
- (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)))))))))))
-
+\f
;;;###autoload
(defun facemenu-read-color (&optional prompt)
"Read a color using the minibuffer."
- (let ((col (completing-read (or prompt "Color: ")
+ (let ((col (completing-read (or prompt "Color: ")
(or facemenu-color-alist
- (mapcar 'list (defined-colors)))
+ (defined-colors))
nil t)))
(if (equal "" col)
nil
(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-equal (car l) (car (cdr l)))
+ (if (facemenu-color-name-equal (car l) (car (cdr l)))
(setcdr l (cdr (cdr l)))
(setq l (cdr l)))))
- ;; Don't show more than what the display can handle.
- (let ((lc (nthcdr (1- (display-color-cells)) list)))
- (if lc
- (setcdr lc nil))))
+ (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*"
(save-excursion
(set-buffer standard-output)
(setq s (point))
(insert (car list))
(indent-to 20)
- (put-text-property s (point) 'face
+ (put-text-property s (point) 'face
(cons 'background-color (car list)))
(setq s (point))
(insert " " (car list) "\n")
- (put-text-property s (point) 'face
+ (put-text-property s (point) 'face
(cons 'foreground-color (car list)))
(setq list (cdr list)))))))
(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
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'
+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
(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))
- foreground)
+ (let ((name (symbol-name symbol)))
(cond ((facep symbol))
(t (make-face symbol))))
symbol)
-(defun facemenu-add-new-face (face-or-color &optional menu)
- "Add FACE-OR-COLOR (a face or a color) to the appropriate Face menu.
-If MENU is nil, then FACE-OR-COLOR is a face to be added
-to `facemenu-face-menu'. If MENU is `facemenu-foreground-menu'
-or `facemenu-background-menu', FACE-OR-COLOR is a color
-to be added to the specified menu.
+(defun facemenu-add-new-face (face)
+ "Add FACE (a face) to the Face menu.
This is called whenever you create a new face."
(let* (name
symbol
- docstring
- (key (cdr (assoc face-or-color facemenu-keybindings)))
+ menu docstring
+ (key (cdr (assoc face facemenu-keybindings)))
function menu-val)
- (if (symbolp face-or-color)
- (setq name (symbol-name face-or-color)
- symbol face-or-color)
- (setq name face-or-color
+ (if (symbolp face)
+ (setq name (symbol-name face)
+ symbol face)
+ (setq name face
symbol (intern name)))
- (cond ((eq menu 'facemenu-foreground-menu)
- (setq docstring
- (format "Select foreground color %s for subsequent insertion."
- name)))
- ((eq menu 'facemenu-background-menu)
- (setq docstring
- (format "Select background color %s for subsequent insertion."
- name)))
- (t
- (setq menu 'facemenu-face-menu)
- (setq docstring
- (format "Select face `%s' for subsequent insertion."
- name))))
+ (setq menu 'facemenu-face-menu)
+ (setq docstring
+ (format "Select face `%s' for subsequent insertion."
+ name))
(cond ((eq t facemenu-unlisted-faces))
((memq symbol facemenu-unlisted-faces))
;; test against regexps in facemenu-unlisted-faces
`(lambda ()
,docstring
(interactive)
- (facemenu-set-face (quote ,symbol))))
+ (facemenu-set-face
+ (quote ,symbol)
+ (if (and mark-active (not current-prefix-arg))
+ (region-beginning))
+ (if (and mark-active (not current-prefix-arg))
+ (region-end)))))
(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)
+ (lambda (m) (and (listp m)
(symbolp (car m))
(face-equal (car m) symbol)))
(cdr (symbol-function menu))))
(define-key menu key (cons name function))))))
nil) ; Return nil for facemenu-iterate
+(defun facemenu-add-new-color (color &optional menu)
+ "Add COLOR (a color name string) to the appropriate Face menu.
+MENU should be `facemenu-foreground-menu' or
+`facemenu-background-menu'.
+
+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))
+
+ (cond ((eq menu 'facemenu-foreground-menu)
+ (setq docstring
+ (format "Select foreground color %s for subsequent insertion."
+ name)))
+ ((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
+
(defun facemenu-complete-face-list (&optional oldlist)
"Return list of all faces that look different.
-Starts with given ALIST of faces, and adds elements only if they display
+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
+The faces on ALIST will end up at the end of the returned list, in reverse
order."
(let ((list (nreverse (mapcar 'car oldlist))))
- (facemenu-iterate
- (lambda (new-face)
+ (facemenu-iterate
+ (lambda (new-face)
(if (not (memq new-face list))
(setq list (cons new-face list)))
nil)
(facemenu-update)
+(provide 'facemenu)
+
+;;; arch-tag: 85f6d02b-9085-420e-b651-0678f0e9c7eb
;;; facemenu.el ends here
HCoop / bpt / emacs.git / blobdiff