;;; cus-edit.el --- Tools for customizing Emacs and Lisp packages.
;;
-;; Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
;;
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: help, faces
:tag "Finish"
:help-echo
(lambda (&rest ignore)
- (concat (cond
- ((eq custom-buffer-done-function
- 'custom-bury-buffer)
- "Bury")
- ((eq custom-buffer-done-function 'kill-buffer)
- "Kill")
- (t "Finish with"))
- " the buffer."))
+ (cond
+ ((eq custom-buffer-done-function
+ 'custom-bury-buffer)
+ "Bury this buffer")
+ ((eq custom-buffer-done-function 'kill-buffer)
+ "Kill this buffer")
+ (t "Finish with this buffer")))
:action #'Custom-buffer-done)
(widget-insert "\n\n")
(message "Creating customization items...")
(let ((count 0)
(length (length options)))
(mapcar (lambda (entry)
- (prog2
- (message "Creating customization items ...%2d%%"
- (/ (* 100.0 count) length))
- (widget-create (nth 1 entry)
+ (prog2
+ (message "Creating customization items ...%2d%%"
+ (/ (* 100.0 count) length))
+ (widget-create (nth 1 entry)
:tag (custom-unlispify-tag-name
(nth 0 entry))
:value (nth 0 entry))
- (setq count (1+ count))
- (unless (eq (preceding-char) ?\n)
- (widget-insert "\n"))
- (widget-insert "\n")))
- options))))
+ (setq count (1+ count))
+ (unless (eq (preceding-char) ?\n)
+ (widget-insert "\n"))
+ (widget-insert "\n")))
+ options))))
(unless (eq (preceding-char) ?\n)
(widget-insert "\n"))
(message "Creating customization items ...%2d%%done" 100)
(error "Cannot set hidden variable"))
((setq val (widget-apply child :validate))
(goto-char (widget-get val :from))
- (error "%s" (widget-get val :error)))
+ (error "Saving %s: %s" symbol (widget-get val :error)))
((memq form '(lisp mismatch))
(when (equal comment "")
(setq comment nil)
(defconst custom-face-selected (widget-convert 'custom-face-selected)
"Converted version of the `custom-face-selected' widget.")
+(defun custom-filter-face-spec (spec filter-index default-filter)
+ "Return a canonicalized version of SPEC using.
+FILTER-INDEX is the index in the entry for each attribute in
+`custom-face-attributes' at which the appropriate filter function can be
+found, and DEFAULT-FILTER is the filter to apply for attributes that
+don't specify one."
+ (mapcar (lambda (entry)
+ ;; Filter a single face-spec entry
+ (let ((tests (car entry))
+ (unfiltered-attrs
+ ;; Handle both old- and new-style attribute syntax
+ (if (listp (car (cdr entry)))
+ (car (cdr entry))
+ (cdr entry)))
+ (filtered-attrs nil))
+ ;; Filter each face attribute
+ (while unfiltered-attrs
+ (let* ((attr (pop unfiltered-attrs))
+ (pre-filtered-value (pop unfiltered-attrs))
+ (filter
+ (or (nth filter-index (assq attr custom-face-attributes))
+ default-filter))
+ (filtered-value
+ (if filter
+ (funcall filter pre-filtered-value)
+ pre-filtered-value)))
+ (push filtered-value filtered-attrs)
+ (push attr filtered-attrs)))
+ ;;
+ (list tests filtered-attrs)))
+ spec))
+
+(defun custom-pre-filter-face-spec (spec)
+ "Return SPEC changed as necessary for editing by the face customization widget.
+SPEC must be a full face spec."
+ (custom-filter-face-spec
+ spec 2
+ (lambda (value)
+ (cond ((eq value 'unspecified) nil)
+ ((eq value nil) 'off)
+ (t value)))))
+
+(defun custom-post-filter-face-spec (spec)
+ "Return the customized SPEC in a form suitable for setting the face."
+ (custom-filter-face-spec
+ spec 3
+ (lambda (value)
+ (cond ((eq value nil) 'unspecified)
+ ((eq value 'off) nil)
+ (t value)))))
+
(defun custom-face-value-create (widget)
"Create a list of the display specifications for WIDGET."
(let ((buttons (widget-get widget :buttons))
(t
;; Create tag.
(insert tag)
+ (widget-specify-sample widget begin (point))
(if (eq custom-buffer-style 'face)
(insert " ")
- (widget-specify-sample widget begin (point))
- (insert ": "))
+ (if (string-match "face\\'" tag)
+ (insert ":")
+ (insert " face: ")))
;; Sample.
(push (widget-create-child-and-convert widget 'item
:format "(%{%t%})"
;; edit it as the user has specified it.
(if (not (face-spec-match-p symbol spec (selected-frame)))
(setq spec (list (list t (face-attr-construct symbol (selected-frame))))))
+ (setq spec (custom-pre-filter-face-spec spec))
(setq edit (widget-create-child-and-convert
widget
(cond ((and (eq form 'selected)
"Make the face attributes in WIDGET take effect."
(let* ((symbol (widget-value widget))
(child (car (widget-get widget :children)))
- (value (widget-value child))
+ (value (custom-post-filter-face-spec (widget-value child)))
(comment-widget (widget-get widget :comment-widget))
(comment (widget-value comment-widget)))
(when (equal comment "")
;; Make the comment invisible by hand if it's empty
(custom-comment-hide comment-widget))
(put symbol 'customized-face value)
- (face-spec-set symbol value)
+ (if (face-spec-choose value)
+ (face-spec-set symbol value)
+ ;; face-set-spec ignores empty attribute lists, so just give it
+ ;; something harmless instead.
+ (face-spec-set symbol '((t :foreground unspecified))))
(put symbol 'customized-face-comment comment)
(put symbol 'face-comment comment)
(custom-face-state-set widget)
"Prepare for saving WIDGET's face attributes, but don't write `.emacs'."
(let* ((symbol (widget-value widget))
(child (car (widget-get widget :children)))
- (value (widget-value child))
+ (value (custom-post-filter-face-spec (widget-value child)))
(comment-widget (widget-get widget :comment-widget))
(comment (widget-value comment-widget)))
(when (equal comment "")
(setq comment nil)
;; Make the comment invisible by hand if it's empty
(custom-comment-hide comment-widget))
- (face-spec-set symbol value)
+ (if (face-spec-choose value)
+ (face-spec-set symbol value)
+ ;; face-set-spec ignores empty attribute lists, so just give it
+ ;; something harmless instead.
+ (face-spec-set symbol '((t :foreground unspecified))))
(put symbol 'saved-face value)
(put symbol 'customized-face nil)
(put symbol 'face-comment comment)
:convert-widget 'widget-value-convert-widget
:button-prefix 'widget-push-button-prefix
:button-suffix 'widget-push-button-suffix
- :format "%t: %[select face%] %v"
+ :format "%{%t%}: %[select face%] %v"
:tag "Face"
:value 'default
:value-create 'widget-face-value-create
"Return the file name for saving customizations."
(setq custom-file
(or custom-file
- user-init-file
- (read-file-name "File for customizations: "
- "~/" nil nil ".emacs"))))
+ (let ((user-init-file user-init-file)
+ (default-init-file
+ (if (eq system-type 'ms-dos) "~/_emacs" "~/.emacs")))
+ (when (null user-init-file)
+ (if (or (file-exists-p default-init-file)
+ (and (eq system-type 'windows-nt)
+ (file-exists-p "~/_emacs")))
+ ;; Started with -q, i.e. the file containing
+ ;; Custom settings hasn't been read. Saving
+ ;; settings there would overwrite other settings.
+ (error "Saving settings from \"emacs -q\" would overwrite existing customizations"))
+ (setq user-init-file default-init-file))
+ user-init-file))))
(defun custom-save-delete (symbol)
"Visit `custom-file' and delete all calls to SYMBOL from it.
(setq first (point)))))))
(if first
(goto-char first)
- (goto-char (point-max)))))
+ ;; Move in front of local variables, otherwise long Custom
+ ;; entries would make them ineffective.
+ (let ((pos (point-max))
+ (case-fold-search t))
+ (save-excursion
+ (goto-char (point-max))
+ (search-backward "\n\^L" (max (- (point-max) 3000) (point-min))
+ 'move)
+ (when (search-forward "Local Variables:" nil t)
+ (setq pos (line-beginning-position))))
+ (goto-char pos)))))
(defun custom-save-variables ()
"Save all customized variables in `custom-file'."
(princ "\n"))
(princ "(custom-set-variables
;; custom-set-variables was added by Custom -- don't edit or cut/paste it!
- ;; Your init file must only contain one such instance.\n")
+ ;; Your init file should contain only one such instance.\n")
(mapcar
(lambda (symbol)
(let ((value (get symbol 'saved-value))
(princ "\n"))
(princ "(custom-set-faces
;; custom-set-faces was added by Custom -- don't edit or cut/paste it!
- ;; Your init file must only contain one such instance.\n")
+ ;; Your init file should contain only one such instance.\n")
(mapcar
(lambda (symbol)
(let ((value (get symbol 'saved-face))
(setq name "Customize"))
`(,name
:filter (lambda (&rest junk)
- (cdr (custom-menu-create ',symbol)))))
+ (custom-menu-create ',symbol))))
;;; The Custom Mode.
"Keymap for `custom-mode'.")
(unless custom-mode-map
+ ;; This keymap should be dense, but a dense keymap would prevent inheriting
+ ;; "\r" bindings from the parent map.
(setq custom-mode-map (make-sparse-keymap))
(set-keymap-parent custom-mode-map widget-keymap)
(suppress-keymap custom-mode-map)
(set (make-local-variable 'widget-push-button-suffix) "")
(set (make-local-variable 'widget-link-prefix) "")
(set (make-local-variable 'widget-link-suffix) ""))
- (make-local-hook 'widget-edit-functions)
(add-hook 'widget-edit-functions 'custom-state-buffer-message nil t)
(run-hooks 'custom-mode-hook))
HCoop / bpt / emacs.git / blobdiff