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118 lines
3.8 KiB
EmacsLisp
118 lines
3.8 KiB
EmacsLisp
;;; gosmacs.el --- rebindings to imitate Gosmacs.
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;; Copyright (C) 1986 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: emulations
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;; Make GNU Emacs look like Gosling Emacs. `M-x set-gosmacs-bindings'
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;; does this change; `M-x set-gnu-bindings' undoes it.
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;;; Code:
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(require 'mlsupport)
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(defvar non-gosmacs-binding-alist nil)
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;;;###autoload
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(defun set-gosmacs-bindings ()
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"Rebind some keys globally to make GNU Emacs resemble Gosling Emacs.
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Use \\[set-gnu-bindings] to restore previous global bindings."
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(interactive)
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(setq non-gosmacs-binding-alist
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(rebind-and-record
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'(("\C-x\C-e" compile)
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("\C-x\C-f" save-buffers-kill-emacs)
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("\C-x\C-i" insert-file)
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("\C-x\C-m" save-some-buffers)
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("\C-x\C-n" next-error)
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("\C-x\C-o" switch-to-buffer)
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("\C-x\C-r" insert-file)
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("\C-x\C-u" undo)
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("\C-x\C-v" find-file-other-window)
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("\C-x\C-z" shrink-window)
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("\C-x!" shell-command)
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("\C-xd" delete-window)
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("\C-xn" gosmacs-next-window)
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("\C-xp" gosmacs-previous-window)
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("\C-xz" enlarge-window)
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("\C-z" scroll-one-line-up)
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("\e\C-c" save-buffers-kill-emacs)
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("\e!" line-to-top-of-window)
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("\e(" backward-paragraph)
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("\e)" forward-paragraph)
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("\e?" apropos)
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("\eh" delete-previous-word)
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("\ej" indent-sexp)
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("\eq" query-replace)
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("\er" replace-string)
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("\ez" scroll-one-line-down)
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("\C-_" suspend-emacs)))))
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(defun rebind-and-record (bindings)
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"Establish many new global bindings and record the bindings replaced.
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Arg BINDINGS is an alist whose elements are (KEY DEFINITION).
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Returns a similar alist whose elements describe the same KEYs
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but each with the old definition that was replaced,"
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(let (old)
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(while bindings
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(let* ((this (car bindings))
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(key (car this))
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(newdef (nth 1 this)))
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(setq old (cons (list key (lookup-key global-map key)) old))
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(global-set-key key newdef))
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(setq bindings (cdr bindings)))
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(nreverse old)))
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(defun set-gnu-bindings ()
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"Restore the global bindings that were changed by \\[set-gosmacs-bindings]."
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(interactive)
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(rebind-and-record non-gosmacs-binding-alist))
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(defun gosmacs-previous-window ()
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"Select the window above or to the left of the window now selected.
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From the window at the upper left corner, select the one at the lower right."
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(interactive)
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(select-window (previous-window)))
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(defun gosmacs-next-window ()
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"Select the window below or to the right of the window now selected.
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From the window at the lower right corner, select the one at the upper left."
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(interactive)
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(select-window (next-window)))
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(defun scroll-one-line-up (&optional arg)
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"Scroll the selected window up (forward in the text) one line (or N lines)."
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(interactive "p")
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(scroll-up (or arg 1)))
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(defun scroll-one-line-down (&optional arg)
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"Scroll the selected window down (backward in the text) one line (or N)."
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(interactive "p")
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(scroll-down (or arg 1)))
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(defun line-to-top-of-window ()
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"Scroll the selected window up so that the current line is at the top."
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(interactive)
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(recenter 0))
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;;; gosmacs.el ends here
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