;; Author: Karl Fogel <kfogel@cs.oberlin.edu>
;; Maintainer: FSF
;; Created: July, 1993
-;; Version: 1.2
;; Keywords: bookmarks, placeholders
;; This file is part of GNU Emacs.
;; this is what I was using during testing:
;; (define-key ctl-x-map "p" 'toggle-save-place)
+(defgroup save-place nil
+ "Automatically save place in files."
+ :group 'data)
+
+
(defvar save-place-alist nil
"Alist of saved places to go back to when revisiting files.
Each element looks like (FILENAME . POSITION);
rather than the beginning of the buffer.
This alist is saved between Emacs sessions.")
-(defvar save-place nil
+(defcustom save-place nil
"*Non-nil means automatically save place in each file.
This means when you visit a file, point goes to the last place
where it was when you previously visited the same file.
If you wish your place in any file to always be automatically saved,
simply put this in your `~/.emacs' file:
-\(setq-default save-place t\)")
+\(setq-default save-place t\)"
+ :type 'boolean
+ :group 'save-place)
(make-variable-buffer-local 'save-place)
-(defvar save-place-file (convert-standard-filename "~/.emacs-places")
- "*Name of the file that records `save-place-alist' value.")
+(defcustom save-place-file (convert-standard-filename "~/.emacs-places")
+ "*Name of the file that records `save-place-alist' value."
+ :type 'file
+ :group 'save-place)
-(defvar save-place-version-control 'nospecial
+(defcustom save-place-version-control nil
"*Controls whether to make numbered backups of master save-place file.
It can have four values: t, nil, `never', and `nospecial'. The first
three have the same meaning that they do for the variable
`version-control', and the final value `nospecial' means just use the
-value of `version-control'.")
+value of `version-control'."
+ :type '(radio (const :tag "Unconditionally" t)
+ (const :tag "For VC Files" nil)
+ (const never)
+ (const :tag "Use value of `version-control'" nospecial))
+ :group 'save-place)
(defvar save-place-loaded nil
"Non-nil means that the `save-place-file' has been loaded.")
-(defvar save-place-limit nil
- "Maximum number of entries to retain in the list; nil means no limit.")
+(defcustom save-place-limit nil
+ "Maximum number of entries to retain in the list; nil means no limit."
+ :type '(choice (integer :tag "Entries" :value 1)
+ (const :tag "No Limit" nil))
+ :group 'save-place)
(defun toggle-save-place (&optional parg)
"Toggle whether to save your place in this file between sessions.
(or save-place-loaded (load-save-place-alist-from-file))
(if buffer-file-name
(progn
- (let ((cell (assoc buffer-file-name save-place-alist)))
+ (let ((cell (assoc buffer-file-name save-place-alist))
+ (position (if (not (eq major-mode 'hexl-mode))
+ (point)
+ (1+ (hexl-current-address)))))
(if cell
- (setq save-place-alist (delq cell save-place-alist))))
- (if save-place
- (setq save-place-alist
- (cons (cons buffer-file-name
- (if (not (eq major-mode 'hexl-mode))
- (point)
- (1+ (hexl-current-address))))
- save-place-alist))))))
+ (setq save-place-alist (delq cell save-place-alist)))
+ (if (and save-place
+ (not (= position 1))) ;; Optimize out the degenerate case.
+ (setq save-place-alist
+ (cons (cons buffer-file-name position)
+ save-place-alist)))))))
(defun save-place-alist-to-file ()
(let ((file (expand-file-name save-place-file)))
(setq s (cdr s))))))
(kill-buffer (current-buffer))
- (message "Loading places from %s...done" file)
- t)
- t)
+ (message "Loading places from %s...done" file)))
nil))))
(defun save-places-to-alist ()
(or save-place-loaded (load-save-place-alist-from-file))
(let ((cell (assoc buffer-file-name save-place-alist)))
(if cell
- (progn
+ (progn
(or after-find-file-from-revert-buffer
(goto-char (cdr cell)))
;; and make sure it will be saved again for later