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novice+.el - extensions to GNU `novice.el'
From: |
Drew Adams |
Subject: |
novice+.el - extensions to GNU `novice.el' |
Date: |
Tue, 16 Jan 2001 21:35:20 -0500 |
;;; novice+.el --- Extensions to `novice.el'.
;;
;; Emacs Lisp Archive Entry
;; Filename: novice+.el
;; Description: Extensions to `novice.el'.
;; Author: Drew Adams
;; Maintainer: Drew Adams
;; Copyright (C) 1996-2001, Drew Adams, all rights reserved.
;; Created: Thu Jul 11 17:10:39 1996
;; Version: $Id: novice+.el,v 1.5 2001/01/09 01:53:37 dadams Exp $
;; Last-Updated: Mon Jan 8 17:53:29 2001
;; By: dadams
;; Update #: 81
;; Keywords: internal, help, local
;; Compatibility: GNU Emacs 20.x
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:
;;
;; Extensions to `novice.el'.
;;
;;
;; ***** NOTE: The following functions defined in `novice.el' have
;; been REDEFINED HERE:
;;
;; `disable-command', `enable-command' -
;; These now use `completing-read' in the interactive spec, with,
;; as default, `symbol-nearest-point'.
;;
;;
;; This file should be loaded after loading the standard GNU file
;; `novice.el'. So, in your `~/.emacs' file, do this:
;; (eval-after-load "novice" '(require 'novice+))
;;
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Change log:
;;
;; RCS $Log: novice+.el,v $
;; RCS Revision 1.5 2001/01/09 01:53:37 dadams
;; RCS Adapted file header for Emacs Lisp Archive.
;; RCS
;; RCS Revision 1.4 2001/01/03 17:42:06 dadams
;; RCS *** empty log message ***
;; RCS
;; RCS Revision 1.3 2001/01/03 00:59:38 dadams
;; RCS *** empty log message ***
;; RCS
;; RCS Revision 1.2 2000/11/28 20:30:12 dadams
;; RCS Optional require's via 3rd arg=t now.
;; RCS
;; RCS Revision 1.1 2000/09/14 17:23:23 dadams
;; RCS Initial revision
;; RCS
; Revision 1.3 1999/03/31 13:50:37 dadams
; Updated using version in Emacs version 34.
;
; Revision 1.2 1999/03/17 15:07:51 dadams
; Protect with fboundp.
;
; Revision 1.1 1997/03/20 16:18:03 dadams
; Initial revision
;
; Revision 1.2 1996/07/15 08:49:24 dadams
; (trivial)
;
; Revision 1.1 1996/07/11 15:26:45 dadams
; Initial revision
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; This program 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 2, or (at your option)
;; any later version.
;; This program 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 this program; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Code:
(require 'cl) ;; when, unless
;; Cannot do (require 'novice) prior to version 20, because `novice.el'
;; does no `provide'. Don't want to do a (load-library "novice") either,
;; for prior versions, because it wouldn't allow doing
;; (eval-after-load "novice" '(progn (require 'novice+)))
(when (>= 20 emacs-major-version) (require 'novice))
(require 'elect-mbuf nil t) ;; (no error if not found): completing-read
(require 'thingatpt nil t) ;; (no error if not found): symbol-at-point
(require 'thingatpt+ nil t) ;; (no error if not found): symbol-nearest-point
(provide 'novice+)
;;; Variable USER-INIT-FILE is free here (defined in `files.el').
;;;;;;;;;;;;;;;;;;;;;;;;
;; REPLACES ORIGINAL in `novice.el':
;; Uses `completing-read' in interactive spec, with `symbol-nearest-point'.
;; `symbol-nearest-point' is defined in `thingatpt+.el'.
;; `symbol-at-point' is defined in `thingatpt.el'.
;;;###autoload
(defun enable-command (command)
"Allow COMMAND to be invoked without confirmation from now on.
Your `~/.emacs' file is altered so that this applies also to future
sessions. See command `\\[disable-command]'."
(interactive
(let ((symb (cond ((fboundp 'symbol-nearest-point) (symbol-nearest-point))
((fboundp 'symbol-at-point) (symbol-at-point))
(t nil)))
(enable-recursive-minibuffers t))
(list (intern (completing-read "Enable command: " obarray 'commandp nil
(symbol-name symb) nil (symbol-name symb)
t)))))
(put command 'disabled nil)
(save-excursion
(set-buffer (find-file-noselect (substitute-in-file-name user-init-file)))
(goto-char (point-min))
(when (search-forward (concat "(put '" (symbol-name command) " ") nil t)
(delete-region (progn (beginning-of-line) (point))
(progn (forward-line 1) (point))))
;; Explicitly enable, in case this command is disabled by default
;; or in case the code we deleted was actually a comment.
(goto-char (point-max))
(insert "\n(put '" (symbol-name command) " 'disabled nil)\n")
(save-buffer)))
;; REPLACES ORIGINAL in `novice.el':
;; Uses `completing-read' in interactive spec, with `symbol-nearest-point'.
;; `symbol-nearest-point' is defined in `thingatpt+.el'.
;; `symbol-at-point' is defined in `thingatpt.el'.
;;;###autoload
(defun disable-command (command)
"Require confirmation to execute COMMAND from now on.
Your `~/.emacs' file is altered so that this applies also to future
sessions. See command `\\[enable-command]'."
(interactive
(let ((symb (cond ((fboundp 'symbol-nearest-point) (symbol-nearest-point))
((fboundp 'symbol-at-point) (symbol-at-point))
(t nil)))
(enable-recursive-minibuffers t))
(list (intern (completing-read "Disable command: " obarray 'commandp nil
(symbol-name symb) nil (symbol-name symb)
t)))))
(unless (commandp command) (error "Invalid command name `%s'." command))
(put command 'disabled t)
(save-excursion
(set-buffer (find-file-noselect (substitute-in-file-name user-init-file)))
(goto-char (point-min))
(if (search-forward (concat "(put '" (symbol-name command) " ") nil t)
(delete-region (progn (beginning-of-line) (point))
(progn (forward-line 1) (point))))
(goto-char (point-max))
(insert "\n(put '" (symbol-name command) " 'disabled t)\n")
(save-buffer)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; `novice+.el' ends here
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