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- ;;; edit-faces.el -- interactive face editing mode
-
- ;; Copyright (C) 1994, 1995 Tinker Systems and INS Engineering Corp.
- ;; Copyright (C) 1996 Ben Wing.
- ;;
- ;; 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.
-
- ;;; Synched up with: Not in FSF.
- ;;; #### FSF has facemenu.el. Should merge with.
-
- ;;; Original author: Stig <stig@hackvan.com>.
- ;;; Significantly fixed up: Ben Wing <wing@666.com>.
-
- (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]
- ["Set doc string" ef-doc-string t]
- ["Quit" ef-quit t]
- ))
-
- (or (find-face 'underline)
- (progn (make-face 'underline)
- (set-face-underline-p 'underline t)))
-
- (define-derived-mode edit-faces-mode list-mode
- "Edit-Faces"
- "Major mode for `edit-faces' buffers.
-
- Editing commands:
-
- \\{edit-faces-mode-map}"
- (setq truncate-lines t)
- ;; auto-show-mode is too confusing in this mode
- (setq auto-show-mode nil)
- (setq mode-popup-menu edit-faces-menu)
- (if (featurep 'menubar)
- (if current-menubar
- (progn
- (set (make-local-variable 'current-menubar)
- (copy-sequence current-menubar))
- (add-submenu nil edit-faces-menu)))))
-
- (let ((map edit-faces-mode-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-doc-string)
- (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))
-
- ;;;###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-mode-map}"
- (interactive)
- (pop-to-buffer (get-buffer-create "*Edit Faces*"))
- (reset-buffer (current-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))
- ))
- (edit-faces-mode)
- )
-
- (defun ef-foreground-callback (event extent user-data)
- (ef-foreground (ef-face-arg (extent-start-position extent)
- (extent-object extent))))
-
- (defun ef-background-callback (event extent user-data)
- (ef-background (ef-face-arg (extent-start-position extent)
- (extent-object extent))))
-
- (defun ef-font-callback (event extent user-data)
- (ef-font (ef-face-arg (extent-start-position extent)
- (extent-object extent))))
-
- (defun ef-doc-string-callback (event extent user-data)
- (ef-doc-string (ef-face-arg (extent-start-position extent)
- (extent-object extent))))
-
- (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 ((face-name-fmt "%-25s")
- (foreground-fmt "%-15s")
- (background-fmt "%-15s")
- (font-fmt "%s")
- (buffer-read-only nil)
- fg bg font)
- (if (eq face t)
- (insert-face (format (concat face-name-fmt " " foreground-fmt " "
- background-fmt " " font-fmt "\n")
- "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))
- (let ((st (point))
- (fn #'(lambda (str callback)
- (let ((st1 (point)))
- (insert str)
- (add-list-mode-item st1 (point) nil callback)))))
- (funcall fn (format face-name-fmt (symbol-name face)) nil)
- (insert " ")
- (funcall fn (format foreground-fmt (color-instance-name fg))
- 'ef-foreground-callback)
- (insert " ")
- (funcall fn (format background-fmt (color-instance-name bg))
- 'ef-background-callback)
- (insert " ")
- (funcall fn (format font-fmt (font-instance-name font))
- 'ef-font-callback)
- (insert "\n (")
- (funcall fn (or (face-doc-string face) "")
- 'ef-doc-string-callback)
- (insert ")")
- (add-nonduplicable-text-properties st (point)
- `(face ,face eface ,face
- start-open t))
- (insert "\n")
- )
- (and replace (forward-line -1))
- ))
- )
-
- (defun ef-face-arg (&optional pos buffer)
- (if (and (not pos) (not buffer))
- (and current-mouse-event
- (mouse-event-p current-mouse-event)
- (mouse-set-point current-mouse-event)))
- (or buffer (setq buffer (current-buffer)))
- (or pos (setq pos (point buffer)))
- (let ((face (or (get-char-property pos 'eface buffer)
- (and (> pos (point-min buffer))
- (get-char-property (1- pos) 'eface buffer)))))
- (or face (error "There is no face to edit on this line."))
- face))
-
- (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-event-p 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)))))
- (setq ex (text-property-bounds (point) 'eface nil 'at))
- (or ex (error "There is no face to delete on this line."))
- (delete-region (car ex) (cdr ex))
- (delete-blank-lines))))
-
- (defun ef-next (arg)
- "Move forward ARG entries in the face table."
- (interactive "p")
- (let ((bounds (next-text-property-bounds arg (point) 'eface)))
- (if bounds (goto-char (car bounds))
- (goto-char (if (> arg 0) (point-max) (point-min))))))
-
- (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)
- (interactive
- (list (ef-face-arg)))
- (set-face-foreground
- face
- (read-color (format "Foreground color for `%s': " (symbol-name face))
- nil
- (color-instance-name (face-foreground-instance face))))
- (ef-update-face-description face))
-
- (defun ef-background (face)
- (interactive
- (list (ef-face-arg)))
- (set-face-background
- face
- (read-color (format "Background color for `%s': " (symbol-name face))
- nil
- (color-instance-name (face-background-instance face))))
- (ef-update-face-description face))
-
- (defun ef-doc-string (face)
- (interactive
- (list (ef-face-arg)))
- (set-face-doc-string
- face
- (read-string (format "Doc string for `%s': " (symbol-name face))
- (face-doc-string face)))
- (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)
- (interactive
- (list (ef-face-arg)))
- (let* ((ofont (face-font-instance face))
- (font (read-string (format "Font for `%s': " (symbol-name face))
- (font-instance-name (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*"))
-