|
|
1.1 ! root 1: ;; Electric Command History Mode ! 2: ;; Copyright (C) 1985 Free Software Foundation, Inc. ! 3: ;; Principal author K. Shane Hartman ! 4: ! 5: ;; This file is part of GNU Emacs. ! 6: ! 7: ;; GNU Emacs is free software; you can redistribute it and/or modify ! 8: ;; it under the terms of the GNU General Public License as published by ! 9: ;; the Free Software Foundation; either version 1, or (at your option) ! 10: ;; any later version. ! 11: ! 12: ;; GNU Emacs is distributed in the hope that it will be useful, ! 13: ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ! 14: ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 15: ;; GNU General Public License for more details. ! 16: ! 17: ;; You should have received a copy of the GNU General Public License ! 18: ;; along with GNU Emacs; see the file COPYING. If not, write to ! 19: ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. ! 20: ! 21: ! 22: (require 'electric) ; command loop ! 23: (require 'chistory) ; history lister ! 24: ! 25: (defun Electric-command-history-redo-expression (&optional noconfirm) ! 26: "Edit current history line in minibuffer and execute result. ! 27: With prefix argument NOCONFIRM, execute current line as is without editing." ! 28: (interactive "P") ! 29: (let (todo) ! 30: (save-excursion ! 31: (set-buffer "*Command History*") ! 32: (beginning-of-line) ! 33: (setq todo (read (current-buffer))) ! 34: (if (boundp 'electric-history-in-progress) ! 35: (if todo (throw 'electric-history-quit (list noconfirm todo))))))) ! 36: ! 37: (defvar electric-history-map ()) ! 38: (if electric-history-map ! 39: () ! 40: (setq electric-history-map (make-keymap)) ! 41: (fillarray electric-history-map 'Electric-history-undefined) ! 42: (define-key electric-history-map "\e" (make-keymap)) ! 43: (fillarray (lookup-key electric-history-map "\e") 'Electric-history-undefined) ! 44: (define-key electric-history-map "\C-u" 'universal-argument) ! 45: (define-key electric-history-map " " 'Electric-command-history-redo-expression) ! 46: (define-key electric-history-map "!" 'Electric-command-history-redo-expression) ! 47: (define-key electric-history-map "\e\C-x" 'eval-sexp) ! 48: (define-key electric-history-map "\e\C-d" 'down-list) ! 49: (define-key electric-history-map "\e\C-u" 'backward-up-list) ! 50: (define-key electric-history-map "\e\C-b" 'backward-sexp) ! 51: (define-key electric-history-map "\e\C-f" 'forward-sexp) ! 52: (define-key electric-history-map "\e\C-a" 'beginning-of-defun) ! 53: (define-key electric-history-map "\e\C-e" 'end-of-defun) ! 54: (define-key electric-history-map "\e\C-n" 'forward-list) ! 55: (define-key electric-history-map "\e\C-p" 'backward-list) ! 56: (define-key electric-history-map "q" 'Electric-history-quit) ! 57: (define-key electric-history-map "\C-c" nil) ! 58: (define-key electric-history-map "\C-c\C-c" 'Electric-history-quit) ! 59: (define-key electric-history-map "\C-]" 'Electric-history-quit) ! 60: (define-key electric-history-map "\C-z" 'suspend-emacs) ! 61: (define-key electric-history-map "\C-h" 'Helper-help) ! 62: (define-key electric-history-map "?" 'Helper-describe-bindings) ! 63: (define-key electric-history-map "\e>" 'end-of-buffer) ! 64: (define-key electric-history-map "\e<" 'beginning-of-buffer) ! 65: (define-key electric-history-map "\n" 'next-line) ! 66: (define-key electric-history-map "\r" 'next-line) ! 67: (define-key electric-history-map "\177" 'previous-line) ! 68: (define-key electric-history-map "\C-n" 'next-line) ! 69: (define-key electric-history-map "\C-p" 'previous-line) ! 70: (define-key electric-history-map "\ev" 'scroll-down) ! 71: (define-key electric-history-map "\C-v" 'scroll-up) ! 72: (define-key electric-history-map "\C-l" 'recenter) ! 73: (define-key electric-history-map "\e\C-v" 'scroll-other-window)) ! 74: ! 75: (defvar electric-command-history-hook nil ! 76: "If non-nil, its value is called by electric-command-history.") ! 77: ! 78: (defun electric-command-history () ! 79: "Major mode for examining and redoing commands from command-history. ! 80: The number of command listed is controlled by list-command-history-max. ! 81: The command history is filtered by list-command-history-filter if non-nil. ! 82: Combines typeout Command History list window with menu like selection ! 83: of an expression from the history for re-evaluation in the *original* buffer. ! 84: ! 85: The history displayed is filtered by list-command-history-filter if non-nil. ! 86: ! 87: This pops up a window with the Command History listing. If the very ! 88: next character typed is Space, the listing is killed and the previous ! 89: window configuration is restored. Otherwise, you can browse in the ! 90: Command History with Return moving down and Delete moving up, possibly ! 91: selecting an expression to be redone with Space or quitting with `Q'. ! 92: ! 93: Like Emacs-Lisp Mode except that characters do not insert themselves and ! 94: Tab and linefeed do not indent. Instead these commands are provided: ! 95: Space or ! edit then evaluate current line in history inside ! 96: the ORIGINAL buffer which invoked this mode. ! 97: The previous window configuration is restored ! 98: unless the invoked command changes it. ! 99: C-c C-c, C-], Q Quit and restore previous window configuration. ! 100: LFD, RET Move to the next line in the history. ! 101: DEL Move to the previous line in the history. ! 102: ? Provides a complete list of commands. ! 103: ! 104: Calls the value of electric-command-history-hook if that is non-nil ! 105: The Command History listing is recomputed each time this mode is invoked." ! 106: (interactive) ! 107: (let ((electric-history-in-progress t) ! 108: (old-buffer (current-buffer)) ! 109: (todo)) ! 110: (unwind-protect ! 111: (setq todo ! 112: (catch 'electric-history-quit ! 113: (save-window-excursion ! 114: (save-window-excursion ! 115: (list-command-history) ! 116: (set-buffer "*Command History*") ! 117: (Command-history-setup 'electric-command-history ! 118: "Electric History" ! 119: electric-history-map)) ! 120: (Electric-pop-up-window "*Command History*") ! 121: (run-hooks 'electric-command-history-hook) ! 122: (if (eobp) ! 123: (progn (ding) ! 124: (message "No command history.") ! 125: (throw 'electric-history-quit nil)) ! 126: (let ((Helper-return-blurb "return to History")) ! 127: (Electric-command-loop 'electric-history-quit ! 128: "->" t)))))) ! 129: (set-buffer "*Command History*") ! 130: (Command-history-setup) ! 131: (bury-buffer (current-buffer))) ! 132: (if (consp todo) ! 133: (progn (set-buffer old-buffer) ! 134: (if (car todo) ! 135: (apply (car (car (cdr todo))) (cdr (car (cdr todo)))) ! 136: (edit-and-eval-command "Redo: " (car (cdr todo)))))))) ! 137: ! 138: (defun Electric-history-undefined () ! 139: (interactive) ! 140: (ding) ! 141: (message "Type C-h for help, ? for commands, C-c to quit, Space to execute") ! 142: (sit-for 4)) ! 143: ! 144: (defun Electric-history-quit () ! 145: "Quit Electric Command History, restoring previous window configuration." ! 146: (interactive) ! 147: (if (boundp 'electric-history-in-progress) ! 148: (progn (message "") ! 149: (throw 'electric-history-quit nil))))
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.