(defgroup customize '((widgets custom-group))
"Customization of the Customization support."
- :link '(custom-manual "(custom)Top")
+ :link '(custom-manual "(elisp)Customization")
:link '(url-link :tag "Development Page"
"http://www.dina.kvl.dk/~abraham/custom/")
:prefix "custom-"
(interactive)
(let ((children custom-options))
(mapcar (lambda (child)
- (when (memq (widget-get child :custom-state) '(modified set))
+ (when (memq (widget-get child :custom-state)
+ '(modified set changed rogue))
(widget-apply child :custom-save)))
children))
(custom-save-all))
"Reset all modified group members to their current value."
(interactive)
(let ((children custom-options))
- (mapcar (lambda (child)
- (when (eq (widget-get child :custom-state) 'modified)
- (widget-apply child :custom-reset-current)))
+ (mapcar (lambda (widget)
+ (and (default-boundp (widget-value widget))
+ (if (memq (widget-get widget :custom-state)
+ '(modified changed))
+ (widget-apply widget :custom-reset-current))))
children)))
(defun Custom-reset-saved (&rest ignore)
"Reset all modified or set group members to their saved value."
(interactive)
(let ((children custom-options))
- (mapcar (lambda (child)
- (when (eq (widget-get child :custom-state) 'modified)
- (widget-apply child :custom-reset-saved)))
+ (mapcar (lambda (widget)
+ (and (get (widget-value widget) 'saved-value)
+ (if (memq (widget-get widget :custom-state)
+ '(modified set changed rogue))
+ (widget-apply widget :custom-reset-saved))))
children)))
(defun Custom-reset-standard (&rest ignore)
"Reset all modified, set, or saved group members to their standard settings."
(interactive)
(let ((children custom-options))
- (mapcar (lambda (child)
- (when (eq (widget-get child :custom-state) 'modified)
- (widget-apply child :custom-reset-standard)))
+ (mapcar (lambda (widget)
+ (and (get (widget-value widget) 'standard-value)
+ (if (memq (widget-get widget :custom-state)
+ '(modified set changed saved rogue))
+ (widget-apply widget :custom-reset-standard))))
children)))
;;; The Customize Commands
(defun customize-option (symbol)
"Customize SYMBOL, which must be a user option variable."
(interactive (custom-variable-prompt))
+ ;; If we don't have SYMBOL's real definition loaded,
+ ;; try to load it.
+ (unless (get symbol 'custom-type)
+ (let ((loaddefs-file (locate-library "loaddefs.el" t))
+ file)
+ ;; See if it is autoloaded from some library.
+ (when loaddefs-file
+ (with-temp-buffer
+ (insert-file-contents loaddefs-file)
+ (when (re-search-forward (concat "^(defvar " (symbol-name symbol))
+ nil t)
+ (search-backward "\n;;; Generated autoloads from ")
+ (goto-char (match-end 0))
+ (setq file (buffer-substring (point)
+ (progn (end-of-line) (point)))))))
+ ;; If it is, load that library.
+ (when file
+ (when (string-match "\\.el\\'" file)
+ (setq file (substring file 0 (match-beginning 0))))
+ (load file))))
+ (unless (get symbol 'custom-type)
+ (error "Variable %s cannot be customized" symbol))
(custom-buffer-create (list (list symbol 'custom-variable))
(format "*Customize Option: %s*"
(custom-unlispify-tag-name symbol))))
+(defvar customize-changed-options-previous-release "20.2"
+ "Version for `customize-changed-options' to refer back to by default.")
+
;;;###autoload
(defun customize-changed-options (since-version)
- "Customize all user option variables whose default values changed recently.
-This means, in other words, variables and groups defined with a `:version'
-option."
+ "Customize all user option variables changed in Emacs itself.
+This includes new user option variables and faces, and new
+customization groups, as well as older options and faces whose default
+values have changed since the previous major Emacs release.
+
+With argument SINCE-VERSION (a string), customize all user option
+variables that were added (or their meanings were changed) since that
+version."
+
(interactive "sCustomize options changed, since version (default all versions): ")
(if (equal since-version "")
(setq since-version nil))
- (let ((found nil))
+ (unless since-version
+ (setq since-version customize-changed-options-previous-release))
+ (let ((found nil)
+ (versions nil))
(mapatoms (lambda (symbol)
(and (or (boundp symbol)
+ ;; For variables not yet loaded.
+ (get symbol 'standard-value)
;; For groups the previous test fails, this one
;; could be used to determine if symbol is a
;; group. Is there a better way for this?
(let ((version (get symbol 'custom-version)))
(and version
(or (null since-version)
- (customize-version-lessp since-version version))))
+ (customize-version-lessp since-version version))
+ (if (member version versions)
+ t
+ ;;; Collect all versions that we use.
+ (push version versions))))
(setq found
;; We have to set the right thing here,
;; depending if we have a group or a
(cons (list symbol 'custom-group) found)
(cons (list symbol 'custom-variable) found))))))
(if (not found)
- (error "No user options have changed defaults in recent Emacs versions")
- (custom-buffer-create (custom-sort-items found t nil)
+ (error "No user option defaults have been changed since Emacs %s"
+ since-version)
+ (let ((flist nil))
+ (while versions
+ (push (copy-sequence
+ (cdr (assoc (car versions) custom-versions-load-alist)))
+ flist)
+ (setq versions (cdr versions)))
+ (put 'custom-versions-load-alist 'custom-loads
+ ;; Get all the files that correspond to element from the
+ ;; VERSIONS list. This could use some simplification.
+ (apply 'nconc flist)))
+ ;; Because we set all the files needed to be loaded as a
+ ;; `custom-loads' property to `custom-versions-load-alist' this
+ ;; call will actually load them.
+ (custom-load-symbol 'custom-versions-load-alist)
+ ;; Clean up
+ (put 'custom-versions-load-alist 'custom-loads nil)
+ (custom-buffer-create (custom-sort-items found t 'first)
"*Customize Changed Options*"))))
(defun customize-version-lessp (version1 version2)
+ ;; In case someone made a mistake and left out the quotes
+ ;; in the :version value.
+ (if (numberp version2)
+ (setq version2 (prin1-to-string version2)))
(let (major1 major2 minor1 minor2)
(string-match "\\([0-9]+\\)[.]\\([0-9]+\\)" version1)
(setq major1 (read (match-string 1 version1)))
(length (length options)))
(mapcar (lambda (entry)
(prog2
- (message "Creating customization items %2d%%..."
+ (message "Creating customization items ...%2d%%"
(/ (* 100.0 count) length))
(widget-create (nth 1 entry)
:tag (custom-unlispify-tag-name
options))))
(unless (eq (preceding-char) ?\n)
(widget-insert "\n"))
- (message "Creating customization items %2d%%...done" 100)
+ (message "Creating customization items ...%2d%%done" 100)
(unless (eq custom-buffer-style 'tree)
(mapcar 'custom-magic-reset custom-options))
(message "Creating customization setup...")
"If non-nil, show textual description of the state.
If `long', show a full-line description, not just one word."
:type '(choice (const :tag "no" nil)
- (const short)
- (const long))
+ (const long)
+ (other :tag "short" short))
:group 'custom-buffer)
(defcustom custom-magic-show-hidden '(option face)
["Reset to Current" Custom-reset-current t]
["Reset to Saved" Custom-reset-saved t]
["Reset to Standard Settings" Custom-reset-standard t]
- ["Info" (Info-goto-node "(custom)The Customization Buffer") t]))
+ ["Info" (Info-goto-node "(emacs)Easy Customization") t]))
(defun Custom-goto-parent ()
"Go to the parent group listed at the top of this buffer.
HCoop / bpt / emacs.git / blobdiff