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- ;;; edit-faces.el -- interactive face editing mode
-
- ;; Copyright (C) 1994, 1995 Tinker Systems and INS Engineering Corp.
- ;;
- ;; This file is part of XEmacs.
- ;;
- ;; XEmacs is free software; you can redistribute it and/or modify
- ;; it under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 2 of the License, or
- ;; (at your option) any later version.
- ;;
- ;; XEmacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
- ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ;; GNU General Public License for more details.
- ;;
- ;; You should have received a copy of the GNU General Public License
- ;; along with XEmacs; if not, write to the Free Software
- ;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- (defvar edit-faces-map
- (let ((map (make-sparse-keymap)))
- (suppress-keymap map)
- (define-key map "<" 'ef-smaller)
- (define-key map ">" 'ef-larger)
- (define-key map "c" 'ef-copy-other-face)
- (define-key map "C" 'ef-copy-this-face)
- (define-key map "s" 'ef-smaller)
- (define-key map "l" 'ef-larger)
- (define-key map "b" 'ef-bold)
- (define-key map "i" 'ef-italic)
- (define-key map "e" 'ef-font)
- (define-key map "f" 'ef-font)
- (define-key map "u" 'ef-underline)
- (define-key map "t" 'ef-truefont)
- (define-key map "F" 'ef-foreground)
- (define-key map "B" 'ef-background)
- (define-key map "d" 'ef-delete)
- (define-key map "n" 'ef-next)
- (define-key map "p" 'ef-prev)
- (define-key map " " 'ef-next)
- (define-key map "\C-?" 'ef-prev)
- (define-key map "g" 'edit-faces) ; refresh display
- (define-key map "q" 'ef-quit)
- (define-key map "\C-c\C-c" 'bury-buffer)
- map
- ))
-
- (defvar edit-faces-menu
- '("Edit-Faces"
- ["Copy other face..." ef-copy-other-face t]
- ["Copy this face..." ef-copy-this-face t]
- ["Make smaller" ef-smaller t]
- ["Make larger" ef-larger t]
- ["Toggle bold" ef-bold t]
- ["Toggle italic" ef-italic t]
- ["Toggle underline" ef-underline t]
- ["Query true font" ef-truefont t]
- ["Set font" ef-font t]
- ["Set foreground" ef-foreground t]
- ["Set background" ef-background t]
- ["Quit" ef-quit t]
- ))
-
- (or (find-face 'underline)
- (progn (make-face 'underline)
- (set-face-underline-p 'underline t)))
-
- ;;;###autoload
- (defun edit-faces ()
- "Alter face characteristics by editing a list of defined faces.
- Pops up a buffer containing a list of defined faces.
-
- Editing commands:
-
- \\{edit-faces-map}"
- (interactive)
- (pop-to-buffer (get-buffer-create "*Edit Faces*"))
- (setq buffer-read-only nil
- major-mode 'edit-faces
- mode-name "Edit-Faces"
- mode-popup-menu edit-faces-menu)
- (if current-menubar
- (progn
- (set (make-local-variable 'current-menubar)
- (copy-sequence current-menubar))
- (add-submenu nil edit-faces-menu)))
- (erase-buffer)
-
- ;; face-list returns faces in a random order so we sort
- ;; alphabetically by the name in order to insert some logic into
- ;; the ordering.
- (let ((flist (sort (face-list)
- (function
- (lambda (x y)
- (string-lessp (symbol-name x) (symbol-name y))))))
- face)
- (ef-update-face-description t) ; insert header line
- (while (setq face (car flist))
- (ef-update-face-description face)
- (setq flist (cdr flist))
- ))
- (goto-char (point-min))
- (setq buffer-read-only t)
- (use-local-map edit-faces-map))
-
- (defun ef-update-face-description (face &optional replace)
- "Given a face, inserts a description of that face into the current buffer.
- Inserts a descriptive header if passed `t'."
- (let ((fmt "%-25s %-15s %-15s\n %s\n")
- (buffer-read-only nil)
- fg bg font ex)
- (if (eq face t)
- (insert-face (format fmt "Face" "Foreground" "Background" "Font Spec")
- 'underline)
- (or replace (setq replace face))
- (goto-char (point-min))
- (if (re-search-forward (concat "^" (symbol-name replace) " ") nil 0)
- (progn
- (beginning-of-line)
- (delete-region (point) (progn (forward-line 2) (point)))
- ))
- (setq fg (face-foreground-instance face)
- bg (face-background-instance face)
- font (face-font-instance face)
- ex (insert-face (format fmt
- (symbol-name face)
- (and fg (color-instance-name fg))
- (and bg (color-instance-name bg))
- (and font (font-instance-name font)))
- face))
- (set-extent-property ex 'eface t)
- (set-extent-property ex 'start-open t)
- (and replace (forward-line -1))
- ))
- )
-
- (defun ef-face-arg ()
- (and current-mouse-event
- (mouse-set-point current-mouse-event))
- (let ((ex (extent-at (1+ (point)) nil 'eface))) ; 1+ is a hack to deal
- ; with start-open
- (or ex (error "There is no face to edit on this line."))
- (extent-face ex)))
-
- (defun ef-delete (arg)
- "Delete the face on the current line from the *Edit Faces* buffer.
- The face is not altered. The buffer can be regenerated again with
- M-x edit-faces."
- (interactive "p")
- (and current-mouse-event
- (mouse-set-point current-mouse-event))
- (let ( ;; is this worth the bother? (fwd (> arg 0))
- (count (abs arg))
- (buffer-read-only nil)
- ex)
- (while (not (zerop (prog1 count (setq count (1- count)))))
- ;; 1+ is a hack to deal with start-open
- (setq ex (extent-at (1+ (point)) nil 'eface))
- (or ex (error "There is no face to delete on this line."))
- (delete-region (extent-start-position ex) (extent-end-position ex))
- (delete-blank-lines))))
-
- (defun ef-next (arg)
- "Move forward ARG entries in the face table"
- (interactive "p")
- (let ((fwd (> arg 0))
- (count (abs arg))
- ex)
- (while (not (zerop (prog1 count (setq count (1- count)))))
- ;; #### - 1+ is a hack to deal with start-open extents. If they're not
- ;; start-open, then inserting text at the start of an extent will
- ;; cause the extent to grow, which is not desirable.
- (setq ex (extent-at (1+ (point)) nil 'eface))
- (and ex
- (if fwd
- (progn (goto-char (extent-end-position ex))
- (beginning-of-line 2))
- (goto-char (extent-start-position ex))
- (beginning-of-line -1))) ; ain't bug-compatibility great?
- )))
-
- (defun ef-prev (arg)
- "Move forward ARG entries in the face table"
- (interactive "p")
- (ef-next (- arg)))
-
- (defun ef-smaller (face)
- (interactive (list (ef-face-arg)))
- (make-face-smaller face)
- (ef-update-face-description face))
-
- (defun ef-larger (face)
- (interactive (list (ef-face-arg)))
- (make-face-larger face)
- (ef-update-face-description face))
-
- (defun ef-face-font-indirect (face)
- (let ((font (face-font-instance face)))
- (or font (face-font-instance 'default))))
-
- (defun ef-face-bold-p (face)
- (let ((font (ef-face-font-indirect face)))
- (not (not (string-match "-bold-" (font-instance-name font))))))
-
- (defun ef-face-italic-p (face)
- (let ((font (ef-face-font-indirect face)))
- (not (not (string-match "-[io]-" (font-instance-name font))))))
-
- (defun ef-bold (face)
- (interactive (list (ef-face-arg)))
- (if (ef-face-bold-p face)
- (make-face-unbold face)
- (make-face-bold face))
- (ef-update-face-description face))
-
- (defun ef-italic (face)
- (interactive (list (ef-face-arg)))
- (if (ef-face-italic-p face)
- (make-face-unitalic face)
- (make-face-italic face))
- (ef-update-face-description face))
-
- (defun ef-underline (face)
- (interactive (list (ef-face-arg)))
- (set-face-underline-p face (not (face-underline-p face)))
- (ef-update-face-description face))
-
- (defun ef-truefont (face)
- (interactive (list (ef-face-arg)))
- (let ((font (face-font-instance face))
- (name (symbol-name face)))
- (if font
- (message "True font for `%s': %s" name (font-instance-truename font))
- (message "The face `%s' does not have its own font." name))))
-
- (defun ef-foreground (face color)
- (interactive
- (let* ((f (ef-face-arg))
- (name (symbol-name f))
- (c (read-color (format "Foreground color for `%s': " name))))
- (list f c)))
- (set-face-foreground face color)
- (ef-update-face-description face))
-
- (defun ef-background (face color)
- (interactive
- (let* ((f (ef-face-arg))
- (name (symbol-name f))
- (c (read-color (format "Background color for `%s': " name))))
- (list f c)))
- (set-face-background face color)
- (ef-update-face-description face))
-
- (defun ef-copy-other-face (src dst)
- (interactive
- (let* ((f (ef-face-arg))
- (name (symbol-name f)))
- (list (read-face (format "Make `%s' a copy of what face?: " name) t) f)))
- (copy-face src dst)
- (ef-update-face-description dst dst))
-
- (defun ef-copy-this-face (src dst)
- (interactive
- (let* ((f (ef-face-arg))
- (name (symbol-name f)))
- (list f (read-face (format "Copy `%s' onto what face?: " name)))))
- (copy-face src dst)
- (ef-update-face-description dst dst))
-
- (defun ef-font (face font)
- (interactive
- (let* ((f (ef-face-arg))
- (name (symbol-name f))
- (font (face-font-instance f))
- (nf (read-string (format "Font for `%s': " name)
- (and font (font-instance-name font)))))
- (list f nf)))
- (let ((ofont (face-font-instance face))
- others)
- ;; you might think that this could be moved into the loop below, but I
- ;; think that it's important to see the new font before asking if the
- ;; change should be global.
- (set-face-font face (if (and (string= font "")
- (not (eq face 'default)))
- nil font))
- (ef-update-face-description face)
- (setq others (delq nil (mapcar (lambda (f)
- (and (equal (face-font-instance f) ofont)
- f))
- (face-list))))
- (if (and others
- (y-or-n-p "Make the same font change for other faces? "))
- (while others
- (setq face (car others)
- others (cdr others))
- (set-face-font face font)
- (ef-update-face-description face)))
- ))
-
- (defun ef-quit ()
- (interactive)
- (or (one-window-p t 0)
- (delete-window))
- (kill-buffer "*Edit Faces*"))
-