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+;; Rebindings to imitate Gosmacs.
+;; Copyright (C) 1986 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs 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 1, or (at your option)
+;; any later version.
+
+;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to
+;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+(defvar non-gosmacs-binding-alist nil)
+
+(defun set-gosmacs-bindings ()
+ "Rebind some keys globally to make GNU Emacs resemble Gosling Emacs.
+Use \\[set-gnu-bindings] to restore previous global bindings."
+ (interactive)
+ (setq non-gosmacs-binding-alist
+ (rebind-and-record
+ '(("\C-x\C-e" compile)
+ ("\C-x\C-f" save-buffers-kill-emacs)
+ ("\C-x\C-i" insert-file)
+ ("\C-x\C-m" save-some-buffers)
+ ("\C-x\C-n" next-error)
+ ("\C-x\C-o" switch-to-buffer)
+ ("\C-x\C-r" insert-file)
+ ("\C-x\C-u" undo)
+ ("\C-x\C-v" find-file-other-window)
+ ("\C-x\C-z" shrink-window)
+ ("\C-x!" shell-command)
+ ("\C-xd" delete-window)
+ ("\C-xn" gosmacs-next-window)
+ ("\C-xp" gosmacs-previous-window)
+ ("\C-xz" enlarge-window)
+ ("\C-z" scroll-one-line-up)
+ ("\e\C-c" save-buffers-kill-emacs)
+ ("\e!" line-to-top-of-window)
+ ("\e(" backward-paragraph)
+ ("\e)" forward-paragraph)
+ ("\e?" apropos)
+ ("\eh" delete-previous-word)
+ ("\ej" indent-sexp)
+ ("\eq" query-replace)
+ ("\er" replace-string)
+ ("\ez" scroll-one-line-down)
+ ("\C-_" suspend-emacs)))))
+
+(defun rebind-and-record (bindings)
+ "Establish many new global bindings and record the bindings replaced.
+Arg is an alist whose elements are (KEY DEFINITION).
+Value is a similar alist whose elements describe the same KEYs
+but each with the old definition that was replaced,"
+ (let (old)
+ (while bindings
+ (let* ((this (car bindings))
+ (key (car this))
+ (newdef (nth 1 this)))
+ (setq old (cons (list key (lookup-key global-map key)) old))
+ (global-set-key key newdef))
+ (setq bindings (cdr bindings)))
+ (nreverse old)))
+
+(defun set-gnu-bindings ()
+ "Restore the global bindings that were changed by \\[set-gosmacs-bindings]."
+ (interactive)
+ (rebind-and-record non-gosmacs-binding-alist))
+
+(defun gosmacs-previous-window ()
+ "Select the window above or to the left of the window now selected.
+From the window at the upper left corner, select the one at the lower right."
+ (interactive)
+ (select-window (previous-window)))
+
+(defun gosmacs-next-window ()
+ "Select the window below or to the right of the window now selected.
+From the window at the lower right corner, select the one at the upper left."
+ (interactive)
+ (select-window (next-window)))
+
+(defun scroll-one-line-up (&optional arg)
+ "Scroll the selected window up (forward in the text) one line (or N lines)."
+ (interactive "p")
+ (scroll-up (or arg 1)))
+
+(defun scroll-one-line-down (&optional arg)
+ "Scroll the selected window down (backward in the text) one line (or N)."
+ (interactive "p")
+ (scroll-down (or arg 1)))
+
+(defun line-to-top-of-window ()
+ "Scroll the selected window up so that the current line is at the top."
+ (interactive)
+ (recenter 0))