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comparison lisp/emulators/crisp.el @ 4:b82b59fe008d r19-15b3

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date Mon, 13 Aug 2007 08:46:56 +0200
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3:30df88044ec6 4:b82b59fe008d
1 ;; @(#) crisp.el -- Crisp/Brief Emacs emulator
2
3 ;; Author: Gary D. Foster <Gary.Foster@corp.sun.com>
4 ;; $Revision: 1.1.1.1 $
5 ;; Keywords: emulations brief crisp
6
7 ;; This file is part of GNU Emacs.
8
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
12 ;; any later version.
13
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
18
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
23
24 ;;; Commentary:
25
26 ;; Keybindings and minor functions to duplicate the functionality and
27 ;; finger-feel of the Crisp/Brief editor. This package is designed to
28 ;; facilitate transitioning from Brief to (XE|E)macs with a minimum
29 ;; amount of hassles.
30
31 ;; Enable this package by putting the following in your .emacs
32 ;; (require 'crisp)
33 ;; and use M-x crisp-mode to toggle it on or off.
34
35 ;; This package will automatically default to loading the scroll-lock.el
36 ;; package unless you put (setq crisp-load-scroll-lock nil) in your
37 ;; .emacs. If this feature is enabled, it will bind meta-f1 to the
38 ;; scroll-lock mode toggle.
39
40 ;; Also, the default keybindings for brief override the meta-x key to
41 ;; exit the editor. If you don't like this functionality, you can
42 ;; prevent this key from being rebound with
43 ;; (setq crisp-override-meta-x nil) in your .emacs.
44
45 ;; Finally, if you want to change the string displayed in the modeline
46 ;; when this mode is in effect, override the definition of
47 ;; `crisp-mode-modeline-string' in your .emacs. The default value is
48 ;; " *Crisp*" which may be a bit lengthy if you have a lot of things
49 ;; being displayed there.
50
51 ;; All these overrides should go *before* the (require 'crisp) statement.
52
53 ;; local variables
54
55 (defvar crisp-mode-map (copy-keymap (current-global-map))
56 "Local keymap for Crisp mode.
57 All the bindings are done here instead of globally to try and be
58 nice to the world.")
59
60 (defvar crisp-mode-modeline-string " *Crisp*"
61 "String to display in the modeline when Crisp mode is enabled.")
62
63 (defvar crisp-mode-original-keymap (copy-keymap (current-global-map))
64 "The original keymap before Crisp mode remaps anything.
65 This keymap is restored when Crisp mode is disabled.")
66
67 (defvar crisp-mode-enabled 'nil
68 "Track status of Crisp mode.
69 A value of nil means Crisp mode is not enabled. A value of t
70 indicates Crisp mode is enabled.")
71
72 (defvar crisp-override-meta-x 't
73 "Controls overriding the normal Emacs M-x key binding.
74 The normal binding for M-x is `execute-extended-command', however
75 the normal Crisp keybinding for M-x is to exit the editor, while
76 the F10 key is used to execute extended commands. If you don't
77 want M-x to dump you out of emacs, set this to nil before loading
78 the package.")
79
80 (defvar crisp-load-scroll-lock 't
81 "Controls loading of the Scroll Lock minor mode package.
82 Default behavior is to load the scroll lock minor mode
83 package when Crisp mode is enabled. Set to nil prior
84 to loading this package to prevent it.")
85
86 (defvar crisp-load-hook nil
87 "Hooks to run after Crisp mode is enabled.")
88
89 (defvar crisp-mode-running-xemacs (string-match "XEmacs\\Lucid" emacs-version))
90
91 (if crisp-mode-running-xemacs
92 (add-minor-mode 'crisp-mode-enabled crisp-mode-modeline-string)
93 (or (assq 'crisp-mode-enabled minor-mode-alist)
94 (setq minor-mode-alist
95 (cons '(crisp-mode-enabled crisp-mode-modeline-string) minor-mode-alist))))
96
97 ;; and now the keymap defines
98
99 (define-key crisp-mode-map [(f1)] 'other-window)
100
101 (define-key crisp-mode-map [(f2) (down)] 'enlarge-window)
102 (define-key crisp-mode-map [(f2) (left)] 'shrink-window-horizontally)
103 (define-key crisp-mode-map [(f2) (right)] 'enlarge-window-horizontally)
104 (define-key crisp-mode-map [(f2) (up)] 'shrink-window)
105 (define-key crisp-mode-map [(f3) (down)] 'split-window-vertically)
106 (define-key crisp-mode-map [(f3) (right)] 'split-window-horizontally)
107
108 (define-key crisp-mode-map [(f4)] 'delete-window)
109 (define-key crisp-mode-map [(control f4)] 'delete-other-windows)
110
111 (define-key crisp-mode-map [(f5)] 'search-forward-regexp)
112 (define-key crisp-mode-map [(f19)] 'search-forward-regexp)
113 (define-key crisp-mode-map [(meta f5)] 'search-backward-regexp)
114
115 (define-key crisp-mode-map [(f6)] 'query-replace)
116
117 (define-key crisp-mode-map [(f7)] 'start-kbd-macro)
118 (define-key crisp-mode-map [(meta f7)] 'end-kbd-macro)
119
120 (define-key crisp-mode-map [(f8)] 'call-last-kbd-macro)
121 (define-key crisp-mode-map [(meta f8)] 'save-kbd-macro)
122
123 (define-key crisp-mode-map [(f9)] 'find-file)
124 (define-key crisp-mode-map [(meta f9)] 'load-library)
125
126 (define-key crisp-mode-map [(f10)] 'execute-extended-command)
127 (define-key crisp-mode-map [(meta f10)] 'compile)
128
129 (define-key crisp-mode-map [(SunF37)] 'kill-buffer)
130 (define-key crisp-mode-map [(kp_add)] 'x-copy-primary-selection)
131 (define-key crisp-mode-map [(kp_subtract)] 'x-kill-primary-selection)
132 (define-key crisp-mode-map [(insert)] 'x-yank-clipboard-selection)
133 (define-key crisp-mode-map [(f16)] 'x-copy-primary-selection) ; copy on Sun5 kbd
134 (define-key crisp-mode-map [(f20)] 'x-kill-primary-selection) ; cut on Sun5 kbd
135 (define-key crisp-mode-map [(f18)] 'x-yank-clipboard-selection) ; paste on Sun5 kbd
136
137 (define-key crisp-mode-map [(meta d)] (lambda () (interactive) (beginning-of-line) (kill-line)))
138 (define-key crisp-mode-map [(meta e)] 'find-file)
139 (define-key crisp-mode-map [(meta g)] 'goto-line)
140 (define-key crisp-mode-map [(meta h)] 'help)
141 (define-key crisp-mode-map [(meta i)] 'overwrite-mode)
142 (define-key crisp-mode-map [(meta u)] 'advertised-undo)
143 (define-key crisp-mode-map [(f14)] 'advertised-undo)
144 (define-key crisp-mode-map [(meta w)] 'save-buffer)
145 (if
146 (eq crisp-override-meta-x 't)
147 (define-key crisp-mode-map [(meta x)] 'save-buffers-kill-emacs))
148
149 (define-key crisp-mode-map [(shift right)] 'fkey-forward-word)
150 (define-key crisp-mode-map [(shift left)] 'fkey-backward-word)
151 (define-key crisp-mode-map [(shift delete)] 'kill-word)
152 (define-key crisp-mode-map [(shift backspace)] 'backward-kill-word)
153 (define-key crisp-mode-map [(control left)] 'backward-word)
154 (define-key crisp-mode-map [(control right)] 'forward-word)
155
156 (define-key crisp-mode-map [(home)] 'crisp-home)
157 (define-key crisp-mode-map [(end)] 'crisp-end)
158
159 (defun crisp-home ()
160 "Home the point according to Crisp conventions.
161 First call to this moves point to beginning of the line. Second
162 consecutive call moves point to beginning of the screen. Third
163 consecutive call moves the point to the beginning of the buffer."
164 (interactive nil)
165 (cond
166 ((and (eq last-command 'crisp-home) (eq last-last-command 'crisp-home))
167 (goto-char (point-min)))
168 ((eq last-command 'crisp-home)
169 (move-to-window-line 0))
170 (t
171 (beginning-of-line)))
172 (setq last-last-command last-command))
173
174 (defun crisp-end ()
175 "End the point according to Crisp conventions.
176 First call to this moves point to end of the line. Second
177 consecutive call moves point to the end of the screen. Third
178 consecutive call moves point to the end of the buffer."
179 (interactive nil)
180 (cond
181 ((and (eq last-command 'crisp-end) (eq last-last-command 'crisp-end))
182 (goto-char (point-max)))
183 ((eq last-command 'crisp-end)
184 (move-to-window-line -1)
185 (end-of-line))
186 (t
187 (end-of-line)))
188 (setq last-last-command last-command))
189
190 ;; Now enable the mode
191
192 (defun crisp-mode ()
193 "Toggle Crisp minor mode."
194 (interactive nil)
195 (setq crisp-mode-enabled (not crisp-mode-enabled))
196 (cond
197 ((eq crisp-mode-enabled 't)
198 (use-global-map crisp-mode-map)
199 (if crisp-load-scroll-lock
200 (require 'scroll-lock))
201 (if (featurep 'scroll-lock)
202 (define-key crisp-mode-map [(meta f1)] 'scroll-lock-mode))
203 (run-hooks 'crisp-load-hook))
204 ((eq crisp-mode-enabled 'nil)
205 (use-global-map crisp-mode-original-keymap))))
206
207 (provide 'crisp)
208
209 ;;; crisp.el ends here