155 lines
6.4 KiB
EmacsLisp
155 lines
6.4 KiB
EmacsLisp
;;; echistory.el --- Electric Command History Mode
|
|
|
|
;; Copyright (C) 1985 Free Software Foundation, Inc.
|
|
|
|
;; Author: K. Shane Hartman
|
|
;; Maintainer: FSF
|
|
|
|
;; 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 2, 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, Inc., 59 Temple Place - Suite 330,
|
|
;; Boston, MA 02111-1307, USA.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
(require 'electric) ; command loop
|
|
(require 'chistory) ; history lister
|
|
|
|
;;;###autoload
|
|
(defun Electric-command-history-redo-expression (&optional noconfirm)
|
|
"Edit current history line in minibuffer and execute result.
|
|
With prefix arg NOCONFIRM, execute current line as-is without editing."
|
|
(interactive "P")
|
|
(let (todo)
|
|
(save-excursion
|
|
(set-buffer "*Command History*")
|
|
(beginning-of-line)
|
|
(setq todo (read (current-buffer)))
|
|
(if (boundp 'electric-history-in-progress)
|
|
(if todo (throw 'electric-history-quit (list noconfirm todo)))))))
|
|
|
|
(defvar electric-history-map ())
|
|
(if electric-history-map
|
|
()
|
|
(setq electric-history-map (make-sparse-keymap))
|
|
(define-key electric-history-map [t] 'Electric-history-undefined)
|
|
(define-key electric-history-map "\e" (make-sparse-keymap))
|
|
(define-key electric-history-map [?\e t] 'Electric-history-undefined)
|
|
(define-key electric-history-map "\C-u" 'universal-argument)
|
|
(define-key electric-history-map " " 'Electric-command-history-redo-expression)
|
|
(define-key electric-history-map "!" 'Electric-command-history-redo-expression)
|
|
(define-key electric-history-map "\e\C-x" 'eval-sexp)
|
|
(define-key electric-history-map "\e\C-d" 'down-list)
|
|
(define-key electric-history-map "\e\C-u" 'backward-up-list)
|
|
(define-key electric-history-map "\e\C-b" 'backward-sexp)
|
|
(define-key electric-history-map "\e\C-f" 'forward-sexp)
|
|
(define-key electric-history-map "\e\C-a" 'beginning-of-defun)
|
|
(define-key electric-history-map "\e\C-e" 'end-of-defun)
|
|
(define-key electric-history-map "\e\C-n" 'forward-list)
|
|
(define-key electric-history-map "\e\C-p" 'backward-list)
|
|
(define-key electric-history-map "q" 'Electric-history-quit)
|
|
(define-key electric-history-map "\C-c" nil)
|
|
(define-key electric-history-map "\C-c\C-c" 'Electric-history-quit)
|
|
(define-key electric-history-map "\C-]" 'Electric-history-quit)
|
|
(define-key electric-history-map "\C-z" 'suspend-emacs)
|
|
(define-key electric-history-map (char-to-string help-char) 'Helper-help)
|
|
(define-key electric-history-map "?" 'Helper-describe-bindings)
|
|
(define-key electric-history-map "\e>" 'end-of-buffer)
|
|
(define-key electric-history-map "\e<" 'beginning-of-buffer)
|
|
(define-key electric-history-map "\n" 'next-line)
|
|
(define-key electric-history-map "\r" 'next-line)
|
|
(define-key electric-history-map "\177" 'previous-line)
|
|
(define-key electric-history-map "\C-n" 'next-line)
|
|
(define-key electric-history-map "\C-p" 'previous-line)
|
|
(define-key electric-history-map "\ev" 'scroll-down)
|
|
(define-key electric-history-map "\C-v" 'scroll-up)
|
|
(define-key electric-history-map [home] 'beginning-of-buffer)
|
|
(define-key electric-history-map [down] 'next-line)
|
|
(define-key electric-history-map [up] 'previous-line)
|
|
(define-key electric-history-map [prior] 'scroll-down)
|
|
(define-key electric-history-map [next] 'scroll-up)
|
|
(define-key electric-history-map "\C-l" 'recenter)
|
|
(define-key electric-history-map "\e\C-v" 'scroll-other-window))
|
|
|
|
(defvar electric-command-history-hook nil
|
|
"If non-nil, its value is called by `electric-command-history'.")
|
|
|
|
(defun electric-command-history ()
|
|
"\\<electric-history-map>Major mode for examining and redoing commands from `command-history'.
|
|
This pops up a window with the Command History listing.
|
|
The number of command listed is controlled by `list-command-history-max'.
|
|
The command history is filtered by `list-command-history-filter' if non-nil.
|
|
Combines typeout Command History list window with menu like selection
|
|
of an expression from the history for re-evaluation in the *original* buffer.
|
|
|
|
The history displayed is filtered by `list-command-history-filter' if non-nil.
|
|
|
|
Like Emacs-Lisp mode except that characters do not insert themselves and
|
|
Tab and Linefeed do not indent. Instead these commands are provided:
|
|
\\{electric-history-map}
|
|
|
|
Calls the value of `electric-command-history-hook' if that is non-nil.
|
|
The Command History listing is recomputed each time this mode is invoked."
|
|
(interactive)
|
|
(let ((electric-history-in-progress t)
|
|
(old-buffer (current-buffer))
|
|
(todo))
|
|
(unwind-protect
|
|
(setq todo
|
|
(catch 'electric-history-quit
|
|
(save-window-excursion
|
|
(save-window-excursion
|
|
(list-command-history)
|
|
(set-buffer "*Command History*")
|
|
(Command-history-setup)
|
|
(setq major-mode 'electric-command-history)
|
|
(setq mode-name "Electric History")
|
|
(use-local-map electric-history-map))
|
|
(Electric-pop-up-window "*Command History*")
|
|
(run-hooks 'electric-command-history-hook)
|
|
(if (eobp)
|
|
(progn (ding)
|
|
(message "No command history.")
|
|
(throw 'electric-history-quit nil))
|
|
(let ((Helper-return-blurb "return to History"))
|
|
(Electric-command-loop 'electric-history-quit
|
|
"->" t))))))
|
|
(set-buffer "*Command History*")
|
|
(command-history-mode)
|
|
(bury-buffer (current-buffer)))
|
|
(if (consp todo)
|
|
(progn (set-buffer old-buffer)
|
|
(if (car todo)
|
|
(apply (car (car (cdr todo))) (cdr (car (cdr todo))))
|
|
(edit-and-eval-command "Redo: " (car (cdr todo))))))))
|
|
|
|
(defun Electric-history-undefined ()
|
|
(interactive)
|
|
(ding)
|
|
(message (substitute-command-keys "Type \\[Helper-help] for help, ? for commands, C-c C-c to quit, Space to execute"))
|
|
(sit-for 4))
|
|
|
|
(defun Electric-history-quit ()
|
|
"Quit Electric Command History, restoring previous window configuration."
|
|
(interactive)
|
|
(if (boundp 'electric-history-in-progress)
|
|
(progn (message "")
|
|
(throw 'electric-history-quit nil))))
|
|
|
|
(provide 'echistory)
|
|
|
|
;;; echistory.el ends here
|