;;; winner.el --- Restore old window configurations
-;; Copyright (C) 1997, 1998, 2001 Free Software Foundation. Inc.
+;; Copyright (C) 1997, 1998, 2001, 2004 Free Software Foundation. Inc.
;; Author: Ivar Rummelhoff <ivarru@math.uio.no>
;; Created: 27 Feb 1997
;; window configuration (i.e. how the frames are partitioned into
;; windows) so that the changes can be "undone" using the command
;; `winner-undo'. By default this one is bound to the key sequence
-;; ctrl-x left. If you change your mind (while undoing), you can
-;; press ctrl-x right (calling `winner-redo'). Even though it uses
+;; ctrl-c left. If you change your mind (while undoing), you can
+;; press ctrl-c right (calling `winner-redo'). Even though it uses
;; some features of Emacs20.3, winner.el should also work with
;; Emacs19.34 and XEmacs20, provided that the installed version of
;; custom is not obsolete.
while (= a b)
finally return (< a b)))))
-(defun winner-win-data ()
+(defun winner-win-data ()
;; Essential properties of the windows in the selected frame.
(loop for win in (winner-sorted-window-list)
collect (cons (winner-edges win) (window-buffer win))))
-
+
;; This variable is updated with the current window configuration
;; every time it changes.
(defvar winner-currents nil)
((window-live-p chosen) (select-window chosen))
((window-minibuffer-p (selected-window))
(other-window 1)))
- (when (/= minisize (window-height miniwin))
+ (when (/= minisize (window-height miniwin))
(letf (((selected-window) miniwin) )
(setf (window-height) minisize)))))
(letf (((current-buffer)))
(loop with alist
for win in (winner-window-list)
- for entry =
+ for entry =
(or (assq (window-buffer win) alist)
(car (push (list (set-buffer (window-buffer win))
(cons (mark t) (winner-active-region)))
;; Restore marks
(letf (((current-buffer)))
- (loop for buf in buffers
+ (loop for buf in buffers
for entry = (cadr (assq buf winner-point-alist))
do (progn (set-buffer buf)
(set-mark (car entry))
(not winner-mode))))
(cond
;; Turn mode on
- (on-p
+ (on-p
(setq winner-mode t)
(cond
((winner-hook-installed-p)
(message "Winner undo (%d / %d)"
winner-undo-counter
(1- (ring-length winner-pending-undo-ring)))))))
-
-
-
+
+
+
\f(defun winner-undo-this () ; The heart of winner undo.
- (loop
+ (loop
(cond
((>= winner-undo-counter (ring-length winner-pending-undo-ring))
(message "No further window configuration undo information")
(return nil))
-
+
((and ; If possible configuration
(winner-set (ring-ref winner-pending-undo-ring
winner-undo-counter))
(return t)) ; .. then everything is fine.
(t ;; Otherwise, discharge it (and try the next one).
(ring-remove winner-pending-undo-ring winner-undo-counter)))))
-
+
(defun winner-redo () ; If you change your mind.
"Restore a more recent window configuration saved by Winner mode."
(unless winner-mode-map
(setq winner-mode-map (make-sparse-keymap))
- (define-key winner-mode-map [(control x) left] 'winner-undo)
- (define-key winner-mode-map [(control x) right] 'winner-redo))
+ (define-key winner-mode-map [(control c) left] 'winner-undo)
+ (define-key winner-mode-map [(control c) right] 'winner-redo))
(unless (or (assq 'winner-mode minor-mode-map-alist)
winner-dont-bind-my-keys)
(provide 'winner)
+;;; arch-tag: 686d1c1b-010e-42ca-a192-b5685112418f
;;; winner.el ends here