Commit | Line | Data |
---|---|---|
c0274f38 ER |
1 | ;;; echistory.el --- Electric Command History Mode |
2 | ||
e91081eb | 3 | ;; Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005, |
409cc4a3 | 4 | ;; 2006, 2007, 2008 Free Software Foundation, Inc. |
3a801d0c | 5 | |
e5167999 ER |
6 | ;; Author: K. Shane Hartman |
7 | ;; Maintainer: FSF | |
e9e56e09 RS |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
b4aa6026 | 13 | ;; the Free Software Foundation; either version 3, or (at your option) |
e9e56e09 RS |
14 | ;; any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
086add15 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
e9e56e09 | 25 | |
55535639 PJ |
26 | ;;; Commentary: |
27 | ||
e5167999 | 28 | ;;; Code: |
e9e56e09 RS |
29 | |
30 | (require 'electric) ; command loop | |
31 | (require 'chistory) ; history lister | |
32 | ||
f9f9507e | 33 | ;;;###autoload |
e9e56e09 RS |
34 | (defun Electric-command-history-redo-expression (&optional noconfirm) |
35 | "Edit current history line in minibuffer and execute result. | |
36 | With prefix arg NOCONFIRM, execute current line as-is without editing." | |
37 | (interactive "P") | |
38 | (let (todo) | |
39 | (save-excursion | |
40 | (set-buffer "*Command History*") | |
41 | (beginning-of-line) | |
42 | (setq todo (read (current-buffer))) | |
43 | (if (boundp 'electric-history-in-progress) | |
44 | (if todo (throw 'electric-history-quit (list noconfirm todo))))))) | |
45 | ||
46 | (defvar electric-history-map ()) | |
47 | (if electric-history-map | |
48 | () | |
fa462250 RS |
49 | (setq electric-history-map (make-sparse-keymap)) |
50 | (define-key electric-history-map [t] 'Electric-history-undefined) | |
51 | (define-key electric-history-map "\e" (make-sparse-keymap)) | |
52 | (define-key electric-history-map [?\e t] 'Electric-history-undefined) | |
e9e56e09 RS |
53 | (define-key electric-history-map "\C-u" 'universal-argument) |
54 | (define-key electric-history-map " " 'Electric-command-history-redo-expression) | |
55 | (define-key electric-history-map "!" 'Electric-command-history-redo-expression) | |
56 | (define-key electric-history-map "\e\C-x" 'eval-sexp) | |
57 | (define-key electric-history-map "\e\C-d" 'down-list) | |
58 | (define-key electric-history-map "\e\C-u" 'backward-up-list) | |
59 | (define-key electric-history-map "\e\C-b" 'backward-sexp) | |
60 | (define-key electric-history-map "\e\C-f" 'forward-sexp) | |
61 | (define-key electric-history-map "\e\C-a" 'beginning-of-defun) | |
62 | (define-key electric-history-map "\e\C-e" 'end-of-defun) | |
63 | (define-key electric-history-map "\e\C-n" 'forward-list) | |
64 | (define-key electric-history-map "\e\C-p" 'backward-list) | |
65 | (define-key electric-history-map "q" 'Electric-history-quit) | |
66 | (define-key electric-history-map "\C-c" nil) | |
67 | (define-key electric-history-map "\C-c\C-c" 'Electric-history-quit) | |
68 | (define-key electric-history-map "\C-]" 'Electric-history-quit) | |
f35ca2fe | 69 | (define-key electric-history-map "\C-z" 'suspend-frame) |
e17d2fd1 | 70 | (define-key electric-history-map (char-to-string help-char) 'Helper-help) |
e9e56e09 RS |
71 | (define-key electric-history-map "?" 'Helper-describe-bindings) |
72 | (define-key electric-history-map "\e>" 'end-of-buffer) | |
73 | (define-key electric-history-map "\e<" 'beginning-of-buffer) | |
74 | (define-key electric-history-map "\n" 'next-line) | |
75 | (define-key electric-history-map "\r" 'next-line) | |
71296446 | 76 | (define-key electric-history-map "\177" 'previous-line) |
e9e56e09 RS |
77 | (define-key electric-history-map "\C-n" 'next-line) |
78 | (define-key electric-history-map "\C-p" 'previous-line) | |
79 | (define-key electric-history-map "\ev" 'scroll-down) | |
80 | (define-key electric-history-map "\C-v" 'scroll-up) | |
fa462250 RS |
81 | (define-key electric-history-map [home] 'beginning-of-buffer) |
82 | (define-key electric-history-map [down] 'next-line) | |
83 | (define-key electric-history-map [up] 'previous-line) | |
84 | (define-key electric-history-map [prior] 'scroll-down) | |
85 | (define-key electric-history-map [next] 'scroll-up) | |
e9e56e09 RS |
86 | (define-key electric-history-map "\C-l" 'recenter) |
87 | (define-key electric-history-map "\e\C-v" 'scroll-other-window)) | |
88 | ||
89 | (defvar electric-command-history-hook nil | |
90 | "If non-nil, its value is called by `electric-command-history'.") | |
91 | ||
92 | (defun electric-command-history () | |
93 | "\\<electric-history-map>Major mode for examining and redoing commands from `command-history'. | |
94 | This pops up a window with the Command History listing. | |
95 | The number of command listed is controlled by `list-command-history-max'. | |
96 | The command history is filtered by `list-command-history-filter' if non-nil. | |
97 | Combines typeout Command History list window with menu like selection | |
98 | of an expression from the history for re-evaluation in the *original* buffer. | |
99 | ||
100 | The history displayed is filtered by `list-command-history-filter' if non-nil. | |
101 | ||
102 | Like Emacs-Lisp mode except that characters do not insert themselves and | |
103 | Tab and Linefeed do not indent. Instead these commands are provided: | |
104 | \\{electric-history-map} | |
105 | ||
106 | Calls the value of `electric-command-history-hook' if that is non-nil. | |
107 | The Command History listing is recomputed each time this mode is invoked." | |
108 | (interactive) | |
109 | (let ((electric-history-in-progress t) | |
110 | (old-buffer (current-buffer)) | |
111 | (todo)) | |
112 | (unwind-protect | |
113 | (setq todo | |
114 | (catch 'electric-history-quit | |
115 | (save-window-excursion | |
116 | (save-window-excursion | |
117 | (list-command-history) | |
118 | (set-buffer "*Command History*") | |
e65f2cc0 RS |
119 | (Command-history-setup) |
120 | (setq major-mode 'electric-command-history) | |
121 | (setq mode-name "Electric History") | |
122 | (use-local-map electric-history-map)) | |
e9e56e09 RS |
123 | (Electric-pop-up-window "*Command History*") |
124 | (run-hooks 'electric-command-history-hook) | |
125 | (if (eobp) | |
126 | (progn (ding) | |
127 | (message "No command history.") | |
128 | (throw 'electric-history-quit nil)) | |
129 | (let ((Helper-return-blurb "return to History")) | |
130 | (Electric-command-loop 'electric-history-quit | |
131 | "->" t)))))) | |
132 | (set-buffer "*Command History*") | |
e65f2cc0 | 133 | (command-history-mode) |
e9e56e09 RS |
134 | (bury-buffer (current-buffer))) |
135 | (if (consp todo) | |
136 | (progn (set-buffer old-buffer) | |
137 | (if (car todo) | |
138 | (apply (car (car (cdr todo))) (cdr (car (cdr todo)))) | |
139 | (edit-and-eval-command "Redo: " (car (cdr todo)))))))) | |
140 | ||
141 | (defun Electric-history-undefined () | |
142 | (interactive) | |
143 | (ding) | |
8a26c165 | 144 | (message "%s" (substitute-command-keys "Type \\[Helper-help] for help, ? for commands, C-c C-c to quit, Space to execute")) |
e9e56e09 RS |
145 | (sit-for 4)) |
146 | ||
147 | (defun Electric-history-quit () | |
148 | "Quit Electric Command History, restoring previous window configuration." | |
149 | (interactive) | |
150 | (if (boundp 'electric-history-in-progress) | |
151 | (progn (message "") | |
152 | (throw 'electric-history-quit nil)))) | |
c0274f38 | 153 | |
896546cd RS |
154 | (provide 'echistory) |
155 | ||
cbee283d | 156 | ;; arch-tag: 1e5018fe-190f-44a7-9109-a895dcac4c50 |
c0274f38 | 157 | ;;; echistory.el ends here |