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4960e757 | 1 | ;;; viper.el --- A full-featured Vi emulator for GNU Emacs and XEmacs, |
6c2e12f4 KH |
2 | ;; a VI Plan for Emacs Rescue, |
3 | ;; and a venomous VI PERil. | |
4 | ;; Viper Is also a Package for Emacs Rebels. | |
6c2e12f4 | 5 | |
50a07e18 | 6 | ;; Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02 Free Software Foundation, Inc. |
151496c0 | 7 | |
50a07e18 | 8 | ;; Author: Michael Kifer <kifer@cs.stonybrook.edu> |
02f34c70 MK |
9 | ;; Keywords: emulations |
10 | ||
50a07e18 | 11 | (defconst viper-version "3.11.2 of January 4, 2002" |
03fc1246 MK |
12 | "The current version of Viper") |
13 | ||
6c2e12f4 KH |
14 | ;; This file is part of GNU Emacs. |
15 | ||
16 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
17 | ;; it under the terms of the GNU General Public License as published by | |
18 | ;; the Free Software Foundation; either version 2, or (at your option) | |
19 | ;; any later version. | |
20 | ||
21 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
22 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | ;; GNU General Public License for more details. | |
25 | ||
26 | ;; You should have received a copy of the GNU General Public License | |
1fb87c77 KH |
27 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
28 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
29 | ;; Boston, MA 02111-1307, USA. | |
6c2e12f4 KH |
30 | |
31 | ;;; Commentary: | |
32 | ||
3af0304a | 33 | ;; Viper is a full-featured Vi emulator for Emacs and XEmacs. It emulates and |
6c2e12f4 KH |
34 | ;; improves upon the standard features of Vi and, at the same time, allows |
35 | ;; full access to all Emacs facilities. Viper supports multiple undo, | |
36 | ;; file name completion, command, file, and search history and it extends | |
3af0304a | 37 | ;; Vi in many other ways. Viper is highly customizable through the various |
6c2e12f4 KH |
38 | ;; hooks, user variables, and keymaps. It is implemented as a collection |
39 | ;; of minor modes and it is designed to provide full access to all Emacs | |
40 | ;; major and minor modes. | |
41 | ;; | |
3afbc435 | 42 | ;;; History: |
6c2e12f4 KH |
43 | ;; |
44 | ;; Viper is a new name for a package formerly known as VIP-19, | |
45 | ;; which was a successor of VIP version 3.5 by Masahiko Sato | |
46 | ;; <ms@sail.stanford.edu> and VIP version 4.2 by Aamod Sane | |
3af0304a | 47 | ;; <sane@cs.uiuc.edu>. Some ideas from vip 4.4.2 by Aamod Sane |
6c2e12f4 KH |
48 | ;; were also shamelessly plagiarized. |
49 | ;; | |
50 | ;; Viper maintains some degree of compatibility with these older | |
3af0304a | 51 | ;; packages. See the documentation for customization. |
6c2e12f4 KH |
52 | ;; |
53 | ;; The main difference between Viper and these older packages are: | |
54 | ;; | |
55 | ;; 1. Viper emulates Vi at several levels, from almost complete conformity | |
56 | ;; to a rather loose Vi-compliance. | |
57 | ;; | |
58 | ;; 2. Viper provides full access to all major and minor modes of Emacs | |
59 | ;; without the need to type extra keys. | |
60 | ;; The older versions of VIP (and other Vi emulators) do not work with | |
61 | ;; some major and minor modes. | |
62 | ;; | |
63 | ;; 3. Viper supports vi-style undo. | |
64 | ;; | |
65 | ;; 4. Viper fully emulates (and improves upon) vi's replacement mode. | |
66 | ;; | |
67 | ;; 5. Viper has a better interface to ex, including command, variable, and | |
68 | ;; file name completion. | |
69 | ;; | |
70 | ;; 6. Viper uses native Emacs history and completion features; it doesn't | |
71 | ;; rely on other packages (such as gmhist.el and completer.el) to provide | |
72 | ;; these features. | |
73 | ;; | |
74 | ;; 7. Viper supports Vi-style editing in the minibuffer, by allowing the | |
75 | ;; user to switch from Insert state to Vi state to Replace state, etc. | |
76 | ;; | |
77 | ;; 8. Viper keeps history of recently inserted pieces of text and recently | |
78 | ;; executed Vi-style destructive commands, such as `i', `d', etc. | |
79 | ;; These pieces of text can be inserted in later insertion commands; | |
80 | ;; the previous destructive commands can be re-executed. | |
81 | ;; | |
82 | ;; 9. Viper has Vi-style keyboard macros, which enhances the similar | |
83 | ;; facility in the original Vi. | |
84 | ;; First, one can execute any Emacs command while defining a | |
3af0304a | 85 | ;; macro, not just the Vi commands. Second, macros are defined in a |
6c2e12f4 | 86 | ;; WYSYWYG mode, using an interface to Emacs' WYSIWYG style of defining |
3af0304a | 87 | ;; macros. Third, in Viper, one can define macros that are specific to |
6c2e12f4 KH |
88 | ;; a given buffer, a given major mode, or macros defined for all buffers. |
89 | ;; The same macro name can have several different definitions: | |
90 | ;; one global, several definitions for various major modes, and | |
91 | ;; definitions for specific buffers. | |
d63a37ea | 92 | ;; Buffer-specific definitions override mode-specific |
6c2e12f4 KH |
93 | ;; definitions, which, in turn, override global definitions. |
94 | ;; | |
95 | ;; | |
96 | ;;; Installation: | |
97 | ;; ------------- | |
98 | ;; | |
99 | ;; (require 'viper) | |
100 | ;; | |
101 | ||
102 | ;;; Acknowledgements: | |
103 | ;; ----------------- | |
d63a37ea KH |
104 | ;; Bug reports and ideas contributed by many users have helped |
105 | ;; improve Viper and the various versions of VIP. | |
27571f90 | 106 | ;; See the on-line manual for a complete list of contributors. |
6c2e12f4 KH |
107 | ;; |
108 | ;; | |
109 | ;;; Notes: | |
110 | ;; | |
111 | ;; 1. Major modes. | |
112 | ;; In most cases, Viper handles major modes correctly, i.e., they come up | |
3af0304a | 113 | ;; in the right state (either vi-state or emacs-state). For instance, text |
6c2e12f4 KH |
114 | ;; files come up in vi-state, while, say, Dired appears in emacs-state by |
115 | ;; default. | |
116 | ;; However, some modes do not appear in the right mode in the beginning, | |
117 | ;; usually because they neglect to follow Emacs conventions (e.g., they don't | |
3af0304a | 118 | ;; use kill-all-local-variables when they start). Some major modes |
6c2e12f4 KH |
119 | ;; may fail to come up in emacs-state if they call hooks, such as |
120 | ;; text-hook, for no good reason. | |
121 | ;; | |
122 | ;; As an immediate solution, you can hit C-z to bring about the right mode. | |
123 | ;; An interim solution is to add an appropriate hook to the mode like this: | |
124 | ;; | |
125 | ;; (add-hook 'your-favorite-mode 'viper-mode) | |
126 | ;; or | |
8626cfa2 | 127 | ;; (add-hook 'your-favorite-mode 'viper-change-state-to-emacs) |
6c2e12f4 | 128 | ;; |
3af0304a | 129 | ;; whichever applies. The right thing to do, however, is to complain to the |
6c2e12f4 KH |
130 | ;; author of the respective package. (Sometimes they also neglect to equip |
131 | ;; their modes with hooks, which is one more reason for complaining.) | |
132 | ;; | |
133 | ;; 2. Keymap handling | |
8626cfa2 MK |
134 | ;; Each Viper state (insert, vi, replace) is implemented as a collection of |
135 | ;; several minor modes, each with its own keymap. | |
6c2e12f4 KH |
136 | ;; |
137 | ;; Viper's Vi state consists of seven minor modes: | |
138 | ;; | |
8626cfa2 MK |
139 | ;; viper-vi-intercept-minor-mode |
140 | ;; viper-vi-local-user-minor-mode | |
141 | ;; viper-vi-global-user-minor-mode | |
142 | ;; viper-vi-kbd-minor-mode | |
143 | ;; viper-vi-state-modifier-minor-mode | |
144 | ;; viper-vi-diehard-minor-mode | |
145 | ;; viper-vi-basic-minor-mode | |
6c2e12f4 KH |
146 | ;; |
147 | ;; Bindings done to the keymap of the first mode overshadow those done to | |
148 | ;; the second, which, in turn, overshadows those done to the third, etc. | |
149 | ;; | |
8626cfa2 | 150 | ;; The last viper-vi-basic-minor-mode contains most of the usual Vi bindings |
3af0304a | 151 | ;; in its edit mode. This mode provides access to all Emacs facilities. |
1e70790f | 152 | ;; Novice users, however, may want to set their viper-expert-level to 1 |
3af0304a | 153 | ;; in their .viper file. This will enable viper-vi-diehard-minor-mode. This |
6c2e12f4 KH |
154 | ;; minor mode's bindings make Viper simulate the usual Vi very closely. |
155 | ;; For instance, C-c will not have its standard Emacs binding | |
156 | ;; and so many of the goodies of Emacs are not available. | |
157 | ;; | |
3af0304a | 158 | ;; A skilled user should set viper-expert-level to at least 3. This will |
d63a37ea | 159 | ;; enable `C-c' and many Emacs facilities will become available. |
8626cfa2 | 160 | ;; In this case, viper-vi-diehard-minor-mode is inactive. |
6c2e12f4 KH |
161 | ;; |
162 | ;; Viper gurus should have at least | |
1e70790f | 163 | ;; (setq viper-expert-level 4) |
3af0304a | 164 | ;; in their ~/.viper files. This will unsuppress all Emacs keys that are not |
6c2e12f4 KH |
165 | ;; essential for VI-style editing. |
166 | ;; Pick-and-choose users may want to put | |
1e70790f | 167 | ;; (setq viper-expert-level 5) |
3af0304a | 168 | ;; in ~/.viper. Viper will then leave it up to the user to set the variables |
8626cfa2 | 169 | ;; viper-want-* See viper-set-expert-level for details. |
6c2e12f4 | 170 | ;; |
8626cfa2 | 171 | ;; The very first minor mode, viper-vi-intercept-minor-mode, is of no |
3af0304a | 172 | ;; concern for the user. It is needed to bind Viper's vital keys, such as |
6c2e12f4 KH |
173 | ;; ESC and C-z. |
174 | ;; | |
8626cfa2 | 175 | ;; The second mode, viper-vi-local-user-minor-mode, usually has an |
3af0304a | 176 | ;; empty keymap. However, the user can set bindings in this keymap, which |
6c2e12f4 | 177 | ;; will overshadow the corresponding bindings in the other two minor |
3af0304a | 178 | ;; modes. This is useful, for example, for setting up ZZ in gnus, |
6c2e12f4 KH |
179 | ;; rmail, mh-e, etc., to send message instead of saving it in a file. |
180 | ;; Likewise, in Dired mode, you may want to bind ZN and ZP to commands | |
181 | ;; that would visit the next or the previous file in the Dired buffer. | |
3af0304a | 182 | ;; Setting local keys is tricky, so don't do it directly. Instead, use |
8626cfa2 | 183 | ;; viper-add-local-keys function (see its doc). |
6c2e12f4 | 184 | ;; |
8626cfa2 MK |
185 | ;; The third minor mode, viper-vi-global-user-minor-mode, is also intended |
186 | ;; for the users but, unlike viper-vi-local-user-minor-mode, its key | |
3af0304a | 187 | ;; bindings are seen in all Viper buffers. This mode keys can be done |
6c2e12f4 KH |
188 | ;; with define-key command. |
189 | ;; | |
8626cfa2 | 190 | ;; The fourth minor mode, viper-vi-kbd-minor-mode, is used by keyboard |
3af0304a | 191 | ;; macros. Users are NOT supposed to modify this keymap directly. |
6c2e12f4 | 192 | ;; |
8626cfa2 | 193 | ;; The fifth mode, viper-vi-state-modifier-minor-mode, can be used to set |
6c2e12f4 KH |
194 | ;; key bindings that are visible in some major modes but not in others. |
195 | ;; | |
196 | ;; Users are allowed to modify keymaps that belong to | |
8626cfa2 MK |
197 | ;; viper-vi-local-user-minor-mode, viper-vi-global-user-minor-mode, |
198 | ;; and viper-vi-state-modifier-minor-mode only. | |
6c2e12f4 KH |
199 | ;; |
200 | ;; Viper's Insert state also has seven minor modes: | |
201 | ;; | |
8626cfa2 MK |
202 | ;; viper-insert-intercept-minor-mode |
203 | ;; viper-insert-local-user-minor-mode | |
204 | ;; viper-insert-global-user-minor-mode | |
205 | ;; viper-insert-kbd-minor-mode | |
206 | ;; viper-insert-state-modifier-minor-mode | |
207 | ;; viper-insert-diehard-minor-mode | |
208 | ;; viper-insert-basic-minor-mode | |
6c2e12f4 | 209 | ;; |
8626cfa2 MK |
210 | ;; As with VI's editing modes, the first mode, |
211 | ;; viper-insert-intercept-minor-mode is used to bind vital keys that are not | |
212 | ;; to be changed by the user. | |
6c2e12f4 | 213 | ;; |
8626cfa2 | 214 | ;; The next mode, viper-insert-local-user-minor-mode, is used to customize |
3af0304a | 215 | ;; bindings in the insert state of Viper. The third mode, |
8626cfa2 MK |
216 | ;; viper-insert-global-user-minor-mode is like |
217 | ;; viper-insert-local-user-minor-mode, except that its bindings are seen in | |
3af0304a MK |
218 | ;; all Viper buffers. As with viper-vi-local-user-minor-mode, its bindings |
219 | ;; should be done via the function viper-add-local-keys. Bindings for | |
8626cfa2 | 220 | ;; viper-insert-global-user-minor-mode can be set with the define-key command. |
6c2e12f4 | 221 | ;; |
8626cfa2 | 222 | ;; The next minor mode, viper-insert-kbd-minor-mode, |
6c2e12f4 KH |
223 | ;; is used for keyboard VI-style macros defined with :map!. |
224 | ;; | |
8626cfa2 MK |
225 | ;; The fifth minor mode, viper-insert-state-modifier-minor-mode, is like |
226 | ;; viper-vi-state-modifier-minor-mode, except that it is used in the Insert | |
6c2e12f4 KH |
227 | ;; state; it can be used to modify keys in a mode-specific fashion. |
228 | ;; | |
8626cfa2 | 229 | ;; The minor mode viper-insert-diehard-minor-mode is in effect when |
6c2e12f4 | 230 | ;; the user wants a high degree of Vi compatibility (a bad idea, really!). |
8626cfa2 | 231 | ;; The last minor mode, viper-insert-basic-minor-mode, is always in effect |
3af0304a | 232 | ;; when Viper is in insert state. It binds a small number of keys needed for |
6c2e12f4 KH |
233 | ;; Viper's operation. |
234 | ;; | |
235 | ;; Finally, Viper provides minor modes for overriding bindings set by Emacs | |
236 | ;; modes when Viper is in Emacs state: | |
237 | ;; | |
8626cfa2 MK |
238 | ;; viper-emacs-local-user-minor-mode |
239 | ;; viper-emacs-global-user-minor-mode | |
240 | ;; viper-emacs-kbd-minor-mode | |
241 | ;; viper-emacs-state-modifier-minor-mode | |
6c2e12f4 | 242 | ;; |
3af0304a | 243 | ;; These minor modes are in effect when Viper is in Emacs state. The keymap |
8626cfa2 MK |
244 | ;; associated with viper-emacs-global-user-minor-mode, |
245 | ;; viper-emacs-global-user-map, overrides the global and local keymaps as | |
3af0304a | 246 | ;; well as the minor mode keymaps set by other modes. The keymap of |
8626cfa2 | 247 | ;; viper-emacs-local-user-minor-mode, viper-emacs-local-user-map, overrides |
6c2e12f4 | 248 | ;; everything, but it is used on a per buffer basis. |
8626cfa2 | 249 | ;; The keymap associated with viper-emacs-state-modifier-minor-mode |
3af0304a | 250 | ;; overrides keys on a per-major-mode basis. The mode |
8626cfa2 | 251 | ;; viper-emacs-kbd-minor-mode is used to define Vi-style macros in Emacs |
6c2e12f4 KH |
252 | ;; state. |
253 | ;; | |
254 | ;; 3. There is also one minor mode that is used when Viper is in its | |
3af0304a | 255 | ;; replace-state (used for commands like cw, C, etc.). This mode is |
6c2e12f4 KH |
256 | ;; called |
257 | ;; | |
8626cfa2 | 258 | ;; viper-replace-minor-mode |
6c2e12f4 | 259 | ;; |
3af0304a | 260 | ;; and its keymap is viper-replace-map. Replace minor mode is always |
6c2e12f4 KH |
261 | ;; used in conjunction with the minor modes for insert-state, and its |
262 | ;; keymap overshadows the keymaps for insert minor modes. | |
263 | ;; | |
264 | ;; 4. Defining buffer-local bindings in Vi and Insert modes. | |
265 | ;; As mentioned before, sometimes, it is convenient to have | |
266 | ;; buffer-specific of mode-specific key bindings in Vi and insert modes. | |
8626cfa2 | 267 | ;; Viper provides a special function, viper-add-local-keys, to do precisely |
3af0304a | 268 | ;; this. For instance, is you need to add couple of mode-specific bindings |
6c2e12f4 KH |
269 | ;; to Insert mode, you can put |
270 | ;; | |
8626cfa2 | 271 | ;; (viper-add-local-keys 'insert-state '((key1 . func1) (key2 .func2))) |
6c2e12f4 | 272 | ;; |
3af0304a | 273 | ;; somewhere in a hook of this major mode. If you put something like this |
6c2e12f4 | 274 | ;; in your own elisp function, this will define bindings specific to the |
8626cfa2 | 275 | ;; buffer that was current at the time of the call to viper-add-local-keys. |
6c2e12f4 KH |
276 | ;; The only thing to make sure here is that the major mode of this buffer |
277 | ;; is written according to Emacs conventions, which includes a call to | |
3af0304a | 278 | ;; (kill-all-local-variables). See viper-add-local-keys for more details. |
6c2e12f4 KH |
279 | ;; |
280 | ;; | |
281 | ;; TO DO (volunteers?): | |
282 | ;; | |
283 | ;; 1. Some of the code that is inherited from VIP-3.5 is rather | |
3af0304a MK |
284 | ;; convoluted. Instead of viper-command-argument, keymaps should bind the |
285 | ;; actual commands. E.g., "dw" should be bound to a generic command | |
8626cfa2 | 286 | ;; viper-delete that will delete things based on the value of |
3af0304a | 287 | ;; last-command-char. This would greatly simplify the logic and the code. |
6c2e12f4 KH |
288 | ;; |
289 | ;; 2. Somebody should venture to write a customization package a la | |
290 | ;; options.el that would allow the user to change values of variables | |
291 | ;; that meet certain specs (e.g., match a regexp) and whose doc string | |
3af0304a MK |
292 | ;; starts with a '*'. Then, the user should be offered to save |
293 | ;; variables that were changed. This will make user's customization job | |
6c2e12f4 KH |
294 | ;; much easier. |
295 | ;; | |
296 | ||
60370d40 | 297 | ;;; Code: |
6c2e12f4 KH |
298 | |
299 | (require 'advice) | |
300 | (require 'cl) | |
301 | (require 'ring) | |
302 | ||
726e270f MK |
303 | ;; compiler pacifier |
304 | (defvar mark-even-if-inactive) | |
34317da2 | 305 | (defvar quail-mode) |
1e70790f | 306 | (defvar viper-expert-level) |
2eb4bdca MK |
307 | (defvar viper-mode-string) |
308 | (defvar viper-major-mode-modifier-list) | |
6c2e12f4 | 309 | |
726e270f MK |
310 | ;; loading happens only in non-interactive compilation |
311 | ;; in order to spare non-viperized emacs from being viperized | |
312 | (if noninteractive | |
313 | (eval-when-compile | |
314 | (let ((load-path (cons (expand-file-name ".") load-path))) | |
b484aa09 MK |
315 | (or (featurep 'viper-init) |
316 | (load "viper-init.el" nil nil 'nosuffix)) | |
726e270f MK |
317 | (or (featurep 'viper-cmd) |
318 | (load "viper-cmd.el" nil nil 'nosuffix)) | |
319 | ))) | |
320 | ;; end pacifier | |
6c2e12f4 | 321 | |
aca9b721 RS |
322 | (require 'viper-init) |
323 | ||
1e70790f | 324 | ;; better be defined before Viper custom group. |
8626cfa2 | 325 | (defvar viper-custom-file-name (convert-standard-filename "~/.viper") |
1e70790f MK |
326 | "Viper customisation file. |
327 | If set by the user, this must be done _before_ Viper is loaded in `~/.emacs'.") | |
328 | ||
329 | (defgroup viper nil | |
330 | "Vi emulation within Emacs. | |
8626cfa2 | 331 | NOTE: Viper customization should be saved in `viper-custom-file-name', which |
1e70790f | 332 | defaults to `~/.viper'." |
8626cfa2 | 333 | :prefix "viper-" |
1e70790f MK |
334 | :group 'emulations) |
335 | ||
726e270f | 336 | (require 'viper-cmd) |
6c2e12f4 | 337 | |
8e41a31c MK |
338 | (defgroup viper-misc nil |
339 | "Miscellaneous Viper customization." | |
340 | :prefix "viper-" | |
341 | :group 'viper) | |
342 | ||
343 | ||
8626cfa2 | 344 | (defcustom viper-always t |
e36a387d MK |
345 | "Non-nil means, arrange for vi-state to be a default when appropriate. |
346 | This is different from `viper-mode' variable in that `viper-mode' determines | |
347 | whether to use Viper in the first place, while `viper-always', if nil, lets | |
1e70790f MK |
348 | user decide when to invoke Viper in a major mode." |
349 | :type 'boolean | |
350 | :tag "Always Invoke Viper" | |
8e41a31c | 351 | :group 'viper-misc) |
1e70790f MK |
352 | |
353 | ;; Non-viper variables that need to be saved in case the user decides to | |
354 | ;; de-viperize emacs. | |
355 | (defvar viper-saved-non-viper-variables nil) | |
1e70790f MK |
356 | |
357 | (defcustom viper-mode (cond (noninteractive nil) | |
358 | (t 'ask)) | |
359 | "To Viperize or not to Viperize. | |
3af0304a | 360 | If t, viperize emacs. If nil -- don't. If `ask', ask the user. |
e36a387d | 361 | This variable is used primatily when Viper is being loaded. |
6c2e12f4 | 362 | |
e36a387d | 363 | Must be set in `~/.emacs' before Viper is loaded. |
8e41a31c MK |
364 | DO NOT set this variable interactively, unless you are using the customization |
365 | widget." | |
1e70790f MK |
366 | :type '(choice (const nil) (const t) (const ask)) |
367 | :tag "Set Viper Mode on Loading" | |
8e41a31c | 368 | :group 'viper-misc) |
726e270f | 369 | |
2eb4bdca MK |
370 | (defcustom viper-vi-state-mode-list |
371 | '(fundamental-mode | |
372 | makefile-mode | |
373 | help-mode | |
374 | ||
375 | awk-mode | |
376 | m4-mode | |
3af0304a MK |
377 | xrdb-mode |
378 | winmgr-mode | |
379 | autoconf-mode | |
380 | cvs-edit-mode | |
2eb4bdca MK |
381 | |
382 | html-mode html-helper-mode | |
383 | emacs-lisp-mode lisp-mode lisp-interaction-mode | |
384 | ||
3af0304a MK |
385 | jde-mode java-mode |
386 | cc-mode c-mode c++-mode objc-mode | |
2eb4bdca MK |
387 | fortran-mode f90-mode |
388 | basic-mode | |
389 | bat-mode | |
390 | asm-mode | |
391 | prolog-mode | |
3af0304a | 392 | flora-mode |
55d7ff38 | 393 | sql-mode |
2eb4bdca MK |
394 | |
395 | text-mode indented-text-mode | |
396 | tex-mode latex-mode bibtex-mode | |
55d7ff38 | 397 | ps-mode |
2eb4bdca MK |
398 | |
399 | completion-list-mode | |
560ef11a | 400 | diff-mode |
4960e757 | 401 | idl-mode |
2eb4bdca | 402 | |
4986c2c6 MK |
403 | perl-mode |
404 | cperl-mode | |
2eb4bdca MK |
405 | javascript-mode |
406 | tcl-mode | |
407 | python-mode | |
408 | ||
409 | sh-mode ksh-mode csh-mode | |
410 | ||
411 | gnus-article-mode | |
412 | mh-show-mode | |
413 | ) | |
414 | "Major modes that require Vi command state." | |
085d6698 | 415 | :type '(repeat symbol) |
8e41a31c | 416 | :group 'viper-misc) |
c81246f3 | 417 | |
2eb4bdca MK |
418 | (defcustom viper-emacs-state-mode-list |
419 | '(custom-mode | |
420 | ||
421 | dired-mode | |
422 | efs-mode | |
423 | tar-mode | |
424 | ||
425 | mh-folder-mode | |
b9fe4732 | 426 | mail-mode |
2eb4bdca MK |
427 | gnus-group-mode |
428 | gnus-summary-mode | |
429 | ||
430 | Info-mode | |
431 | Buffer-menu-mode | |
3af0304a | 432 | compilation-mode |
2eb4bdca MK |
433 | |
434 | view-mode | |
435 | vm-mode | |
436 | vm-summary-mode) | |
437 | "*A list of major modes that should come up in Emacs state. | |
438 | Normally, Viper would bring buffers up in Emacs state, unless the corresponding | |
439 | major mode has been placed on `viper-vi-state-mode-list' or | |
3af0304a MK |
440 | `viper-insert-state-mode-list'. So, don't place a new mode on this list, |
441 | unless it is coming up in a wrong Viper state." | |
2eb4bdca MK |
442 | :type '(repeat symbol) |
443 | :group 'viper-misc) | |
444 | ||
445 | (defcustom viper-insert-state-mode-list | |
657f9cb8 MK |
446 | '(internal-ange-ftp-mode |
447 | comint-mode | |
4960e757 | 448 | inferior-emacs-lisp-mode |
657f9cb8 MK |
449 | eshell-mode |
450 | shell-mode) | |
2eb4bdca MK |
451 | "*A list of major modes that should come up in Vi Insert state." |
452 | :type '(repeat symbol) | |
453 | :group 'viper-misc) | |
454 | ||
455 | ||
456 | ;; used to set viper-major-mode-modifier-list in defcustom | |
457 | (defun viper-apply-major-mode-modifiers (&optional symbol value) | |
458 | (if symbol | |
459 | (set symbol value)) | |
3af0304a MK |
460 | (mapcar (lambda (triple) |
461 | (viper-modify-major-mode | |
462 | (nth 0 triple) (nth 1 triple) (eval (nth 2 triple)))) | |
2eb4bdca MK |
463 | viper-major-mode-modifier-list)) |
464 | ||
4960e757 MK |
465 | ;; We change standard bindings in some major mode, making them slightly |
466 | ;; different than in "normal" vi/insert/emacs states | |
2eb4bdca MK |
467 | (defcustom viper-major-mode-modifier-list |
468 | '((help-mode emacs-state viper-slash-and-colon-map) | |
469 | (comint-mode insert-state viper-comint-mode-modifier-map) | |
470 | (comint-mode vi-state viper-comint-mode-modifier-map) | |
471 | (shell-mode insert-state viper-comint-mode-modifier-map) | |
4960e757 | 472 | (inferior-emacs-lisp-mode insert-state viper-comint-mode-modifier-map) |
2eb4bdca MK |
473 | (shell-mode vi-state viper-comint-mode-modifier-map) |
474 | (ange-ftp-shell-mode insert-state viper-comint-mode-modifier-map) | |
475 | (ange-ftp-shell-mode vi-state viper-comint-mode-modifier-map) | |
476 | (internal-ange-ftp-mode insert-state viper-comint-mode-modifier-map) | |
477 | (internal-ange-ftp-mode vi-state viper-comint-mode-modifier-map) | |
478 | (dired-mode emacs-state viper-dired-modifier-map) | |
479 | (tar-mode emacs-state viper-slash-and-colon-map) | |
480 | (mh-folder-mode emacs-state viper-slash-and-colon-map) | |
481 | (gnus-group-mode emacs-state viper-slash-and-colon-map) | |
482 | (gnus-summary-mode emacs-state viper-slash-and-colon-map) | |
483 | (Info-mode emacs-state viper-slash-and-colon-map) | |
484 | (Buffer-menu-mode emacs-state viper-slash-and-colon-map) | |
485 | ) | |
486 | "List specifying how to modify the various major modes to enable some Viperisms. | |
487 | The list has the structure: ((mode viper-state keymap) (mode viper-state | |
3af0304a MK |
488 | keymap) ...). If `mode' is on the list, the `kemap' will be made active (on |
489 | the minor-mode-map-alist) in the specified viper state. | |
2eb4bdca MK |
490 | If you change this list, have to restart emacs for the change to take effect. |
491 | However, if you did the change through the customization widget, then emacs | |
492 | needs to be restarted only if you deleted a triple mode-state-keymap from the | |
3af0304a | 493 | list. No need to restart emacs in case of insertion or modification of an |
2eb4bdca MK |
494 | existing triple." |
495 | :type '(repeat | |
496 | (list symbol | |
497 | (choice (const emacs-state) | |
498 | (const vi-state) | |
499 | (const insert-state)) | |
500 | symbol)) | |
501 | :set 'viper-apply-major-mode-modifiers | |
502 | :group 'viper-misc) | |
503 | ||
504 | ||
c81246f3 | 505 | |
e36a387d | 506 | \f |
726e270f | 507 | |
e36a387d | 508 | ;;;###autoload |
8626cfa2 | 509 | (defun toggle-viper-mode () |
328b4b70 | 510 | "Toggle Viper on/off. |
3af0304a | 511 | If Viper is enabled, turn it off. Otherwise, turn it on." |
8626cfa2 MK |
512 | (interactive) |
513 | (if (eq viper-mode t) | |
514 | (viper-go-away) | |
515 | (setq viper-mode nil) | |
516 | (viper-mode))) | |
6c2e12f4 | 517 | |
e36a387d MK |
518 | ;;;###autoload |
519 | (defun viper-mode () | |
520 | "Turn on Viper emulation of Vi." | |
521 | (interactive) | |
522 | (if (not noninteractive) | |
523 | (progn | |
524 | ;; if the user requested viper-mode explicitly | |
525 | (if viper-mode | |
526 | () | |
8626cfa2 | 527 | (setq viper-mode t) |
e36a387d MK |
528 | (load-library "viper")) |
529 | ||
3af0304a MK |
530 | (if viper-first-time ; Important check. Prevents mix-up of startup |
531 | (progn ; and expert-level msgs when viper-mode recurses | |
8626cfa2 | 532 | (setq viper-first-time nil) |
3af0304a MK |
533 | (setq viper-vi-state-cursor-color |
534 | (viper-get-cursor-color)) | |
8626cfa2 | 535 | (if (not viper-inhibit-startup-message) |
e36a387d | 536 | (save-window-excursion |
8626cfa2 | 537 | (setq viper-inhibit-startup-message t) |
e36a387d MK |
538 | (delete-other-windows) |
539 | (switch-to-buffer "Viper Startup Message") | |
540 | (erase-buffer) | |
541 | (insert | |
542 | (substitute-command-keys | |
1e70790f MK |
543 | "Viper Is a Package for Emacs Rebels, |
544 | a VI Plan for Emacs Rescue, and a venomous VI PERil. | |
e36a387d | 545 | |
1e70790f MK |
546 | Incidentally, Viper emulates Vi under GNU Emacs 20 and XEmacs 20. |
547 | It supports all of what is good in Vi and Ex, while extending | |
e36a387d MK |
548 | and improving upon much of it. |
549 | ||
3af0304a | 550 | 1. Viper supports Vi at several levels. Level 1 is the closest to Vi, |
e36a387d MK |
551 | level 5 provides the most flexibility to depart from many Vi conventions. |
552 | ||
553 | You will be asked to specify your user level in a following screen. | |
554 | ||
555 | If you select user level 1 then the keys ^X, ^C, ^Z, and ^G will behave | |
3af0304a | 556 | as in VI, to smooth transition to Viper for the beginners. However, to |
e36a387d MK |
557 | use Emacs productively, you are advised to reach user level 3 or higher. |
558 | ||
1e70790f MK |
559 | At user level 2 or higher, ^X and ^C have Emacs, not Vi, bindings; |
560 | ^Z toggles Vi/Emacs states; ^G is Emacs' keyboard-quit (like ^C in Vi). | |
e36a387d MK |
561 | |
562 | 2. Vi exit functions (e.g., :wq, ZZ) work on INDIVIDUAL files -- they | |
1e70790f | 563 | do not cause Emacs to quit, except at user level 1 (for a novice). |
e36a387d | 564 | 3. ^X^C EXITS EMACS. |
3af0304a MK |
565 | 4. Viper supports multiple undo: `u' will undo. Typing `.' will repeat |
566 | undo. Another `u' changes direction. | |
e36a387d | 567 | |
1e70790f MK |
568 | 6. Emacs Meta key is `C-\\' (in all modes) or `\\ ESC' (in Vi command mode). |
569 | On a window system, the best way is to use the Meta-key on your keyboard. | |
e36a387d | 570 | 7. Try \\[keyboard-quit] and \\[abort-recursive-edit] repeatedly,if |
3af0304a | 571 | something funny happens. This would abort the current editing command. |
e36a387d | 572 | |
1e70790f | 573 | For more information on Viper: |
726e270f | 574 | |
1e70790f MK |
575 | a. Type `:help' in Vi command mode |
576 | b. Print Viper manual, found in ./etc/viper.dvi | |
577 | c. Print the Quick Reference, found in ./etc/viperCard.dvi | |
578 | ||
579 | To submit a bug report or to contact the author, type :submitReport in Vi | |
3af0304a | 580 | command mode. To shoo Viper away and return to pure Emacs (horror!), type: |
1e70790f MK |
581 | |
582 | M-x viper-go-away | |
e36a387d MK |
583 | |
584 | This startup message appears whenever you load Viper, unless you type `y' now." | |
585 | )) | |
586 | (goto-char (point-min)) | |
587 | (if (y-or-n-p "Inhibit Viper startup message? ") | |
8626cfa2 MK |
588 | (viper-save-setting |
589 | 'viper-inhibit-startup-message | |
e36a387d | 590 | "Viper startup message inhibited" |
8626cfa2 | 591 | viper-custom-file-name t)) |
e36a387d MK |
592 | ;;(kill-buffer (current-buffer)) |
593 | (message | |
594 | "The last message is in buffer `Viper Startup Message'") | |
595 | (sit-for 4) | |
596 | )) | |
1e70790f | 597 | (viper-set-expert-level 'dont-change-unless))) |
c81246f3 | 598 | |
7d027816 MK |
599 | (if viper-xemacs-p |
600 | (make-variable-buffer-local 'bar-cursor)) | |
4960e757 MK |
601 | (if (eq major-mode 'viper-mode) |
602 | (setq major-mode 'fundamental-mode)) | |
7d027816 | 603 | |
2eb4bdca MK |
604 | (or (memq major-mode viper-emacs-state-mode-list) ; don't switch to Vi |
605 | (memq major-mode viper-insert-state-mode-list) ; don't switch | |
8626cfa2 | 606 | (viper-change-state-to-vi))))) |
e36a387d | 607 | |
4960e757 MK |
608 | |
609 | ;; Apply a little heuristic to invoke vi state on major-modes | |
610 | ;; that are not listed in viper-vi-state-mode-list | |
611 | (defun this-major-mode-requires-vi-state (mode) | |
612 | (cond ((memq mode viper-vi-state-mode-list) t) | |
613 | ((memq mode viper-emacs-state-mode-list) nil) | |
614 | ((memq mode viper-insert-state-mode-list) nil) | |
615 | (t (and (eq (key-binding "a") 'self-insert-command) | |
616 | (eq (key-binding " ") 'self-insert-command))))) | |
617 | ||
6c2e12f4 | 618 | \f |
4af0c23b | 619 | ;; This hook designed to enable Vi-style editing in comint-based modes." |
8626cfa2 | 620 | (defun viper-comint-mode-hook () |
34da0a2b | 621 | (setq require-final-newline nil |
34317da2 | 622 | viper-ex-style-editing nil |
8626cfa2 MK |
623 | viper-ex-style-motion nil) |
624 | (viper-change-state-to-insert)) | |
34da0a2b | 625 | |
6c2e12f4 | 626 | |
1e70790f MK |
627 | ;; remove viper hooks from SYMBOL |
628 | (defun viper-remove-hooks (symbol) | |
629 | (cond ((not (boundp symbol)) nil) | |
630 | ((not (listp (eval symbol))) nil) | |
631 | ((string-match "-hook" (symbol-name symbol)) | |
632 | (remove-hook symbol 'viper-mode) | |
8626cfa2 MK |
633 | (remove-hook symbol 'viper-change-state-to-emacs) |
634 | (remove-hook symbol 'viper-change-state-to-insert) | |
635 | (remove-hook symbol 'viper-change-state-to-vi) | |
1e70790f MK |
636 | ))) |
637 | ||
638 | ;; Remove local value in all existing buffers | |
639 | ;; This doesn't delocalize vars (which would have been desirable) | |
640 | (defun viper-delocalize-var (symbol) | |
3af0304a MK |
641 | (mapcar (lambda (buf) (save-excursion |
642 | (set-buffer buf) | |
643 | (kill-local-variable symbol))) | |
1e70790f MK |
644 | (buffer-list))) |
645 | ||
646 | ||
647 | (defun viper-go-away () | |
648 | "De-Viperize Emacs. | |
3af0304a MK |
649 | This function tries to do as good a job as possible. However, it may undo some |
650 | user customization, unrelated to Viper. For instance, if the user advised | |
1e70790f MK |
651 | `read-file-name', `describe-key', and some others, then this advice will be |
652 | undone. | |
3af0304a | 653 | It also doesn't undo some Viper settings. For instance, `minor-mode-map-alist' |
1e70790f MK |
654 | remains buffer-local." |
655 | (interactive) | |
656 | ||
657 | ;; restore non-viper vars | |
658 | (setq-default | |
1e70790f MK |
659 | next-line-add-newlines |
660 | (viper-standard-value | |
661 | 'next-line-add-newlines viper-saved-non-viper-variables) | |
662 | require-final-newline | |
663 | (viper-standard-value | |
664 | 'require-final-newline viper-saved-non-viper-variables) | |
1e70790f MK |
665 | scroll-step |
666 | (viper-standard-value 'scroll-step viper-saved-non-viper-variables) | |
1e70790f MK |
667 | mode-line-buffer-identification |
668 | (viper-standard-value | |
5489c3d3 MK |
669 | 'mode-line-buffer-identification viper-saved-non-viper-variables) |
670 | global-mode-string | |
c004db97 | 671 | (delq 'viper-mode-string global-mode-string)) |
5489c3d3 | 672 | |
8626cfa2 | 673 | (if viper-emacs-p |
5489c3d3 MK |
674 | (setq-default |
675 | mark-even-if-inactive | |
676 | (viper-standard-value | |
677 | 'mark-even-if-inactive viper-saved-non-viper-variables))) | |
1e70790f MK |
678 | |
679 | ;; Ideally, we would like to be able to de-localize local variables | |
680 | (viper-delocalize-var 'minor-mode-map-alist) | |
681 | (viper-delocalize-var 'require-final-newline) | |
7d027816 | 682 | (if viper-xemacs-p (viper-delocalize-var 'bar-cursor)) |
1e70790f MK |
683 | |
684 | ||
685 | ;; deactivate all advices done by Viper. | |
8626cfa2 | 686 | (ad-deactivate-regexp "viper-") |
1e70790f MK |
687 | |
688 | (setq viper-mode nil) | |
689 | ||
8626cfa2 MK |
690 | (viper-delocalize-var 'viper-vi-minibuffer-minor-mode) |
691 | (viper-delocalize-var 'viper-insert-minibuffer-minor-mode) | |
692 | (viper-delocalize-var 'viper-vi-intercept-minor-mode) | |
693 | (viper-delocalize-var 'viper-insert-intercept-minor-mode) | |
1e70790f | 694 | |
8626cfa2 MK |
695 | (viper-delocalize-var 'viper-vi-local-user-minor-mode) |
696 | (viper-delocalize-var 'viper-vi-kbd-minor-mode) | |
697 | (viper-delocalize-var 'viper-vi-global-user-minor-mode) | |
698 | (viper-delocalize-var 'viper-vi-state-modifier-minor-mode) | |
699 | (viper-delocalize-var 'viper-vi-diehard-minor-mode) | |
700 | (viper-delocalize-var 'viper-vi-basic-minor-mode) | |
1e70790f | 701 | |
8626cfa2 | 702 | (viper-delocalize-var 'viper-replace-minor-mode) |
1e70790f | 703 | |
8626cfa2 MK |
704 | (viper-delocalize-var 'viper-insert-local-user-minor-mode) |
705 | (viper-delocalize-var 'viper-insert-kbd-minor-mode) | |
706 | (viper-delocalize-var 'viper-insert-global-user-minor-mode) | |
707 | (viper-delocalize-var 'viper-insert-state-modifier-minor-mode) | |
708 | (viper-delocalize-var 'viper-insert-diehard-minor-mode) | |
709 | (viper-delocalize-var 'viper-insert-basic-minor-mode) | |
1e70790f | 710 | |
8626cfa2 MK |
711 | (viper-delocalize-var 'viper-emacs-intercept-minor-mode) |
712 | (viper-delocalize-var 'viper-emacs-local-user-minor-mode) | |
713 | (viper-delocalize-var 'viper-emacs-kbd-minor-mode) | |
714 | (viper-delocalize-var 'viper-emacs-global-user-minor-mode) | |
715 | (viper-delocalize-var 'viper-emacs-state-modifier-minor-mode) | |
716 | ||
c004db97 MK |
717 | (viper-delocalize-var 'viper-current-state) |
718 | (viper-delocalize-var 'viper-mode-string) | |
719 | ||
8626cfa2 MK |
720 | (setq-default viper-vi-minibuffer-minor-mode nil |
721 | viper-insert-minibuffer-minor-mode nil | |
722 | viper-vi-intercept-minor-mode nil | |
723 | viper-insert-intercept-minor-mode nil | |
1e70790f | 724 | |
8626cfa2 MK |
725 | viper-vi-local-user-minor-mode nil |
726 | viper-vi-kbd-minor-mode nil | |
727 | viper-vi-global-user-minor-mode nil | |
728 | viper-vi-state-modifier-minor-mode nil | |
729 | viper-vi-diehard-minor-mode nil | |
730 | viper-vi-basic-minor-mode nil | |
1e70790f | 731 | |
8626cfa2 | 732 | viper-replace-minor-mode nil |
1e70790f | 733 | |
8626cfa2 MK |
734 | viper-insert-local-user-minor-mode nil |
735 | viper-insert-kbd-minor-mode nil | |
736 | viper-insert-global-user-minor-mode nil | |
737 | viper-insert-state-modifier-minor-mode nil | |
738 | viper-insert-diehard-minor-mode nil | |
739 | viper-insert-basic-minor-mode nil | |
740 | ||
741 | viper-emacs-intercept-minor-mode nil | |
742 | viper-emacs-local-user-minor-mode nil | |
743 | viper-emacs-kbd-minor-mode nil | |
744 | viper-emacs-global-user-minor-mode nil | |
745 | viper-emacs-state-modifier-minor-mode nil | |
c004db97 MK |
746 | |
747 | viper-current-state 'emacs-state | |
748 | viper-mode-string viper-emacs-state-id | |
1e70790f MK |
749 | ) |
750 | ||
751 | ;; remove all hooks set by viper | |
752 | (mapatoms 'viper-remove-hooks) | |
8626cfa2 MK |
753 | (remove-hook 'comint-mode-hook 'viper-comint-mode-hook) |
754 | (remove-hook 'minibuffer-setup-hook 'viper-minibuffer-setup-sentinel) | |
2eb4bdca | 755 | (remove-hook 'change-major-mode-hook 'viper-major-mode-change-sentinel) |
8626cfa2 MK |
756 | |
757 | ;; unbind Viper mouse bindings | |
758 | (viper-unbind-mouse-search-key) | |
759 | (viper-unbind-mouse-insert-key) | |
41497c90 MK |
760 | ;; In emacs, we have to advice handle-switch-frame |
761 | ;; This advice is undone earlier, when all advices matchine "viper-" are | |
762 | ;; deactivated. | |
763 | (if viper-xemacs-p | |
764 | (remove-hook 'mouse-leave-frame-hook 'viper-remember-current-frame)) | |
765 | ) ; end viper-go-away | |
1e70790f MK |
766 | |
767 | ||
2eb4bdca MK |
768 | ;; list of buffers that just changed their major mode |
769 | ;; used in a hack that triggers vi command mode whenever needed | |
770 | (defvar viper-new-major-mode-buffer-list nil) | |
771 | ||
772 | ;; set appropriate Viper state in buffers that changed major mode | |
773 | (defun set-viper-state-in-major-mode () | |
774 | (mapcar | |
3af0304a MK |
775 | (lambda (buf) |
776 | (if (viper-buffer-live-p buf) | |
777 | (with-current-buffer buf | |
4960e757 | 778 | (cond ((and (this-major-mode-requires-vi-state major-mode) |
3af0304a MK |
779 | (eq viper-current-state 'emacs-state)) |
780 | (viper-mode)) | |
781 | ((memq major-mode viper-emacs-state-mode-list) | |
782 | ;; not checking (eq viper-current-state 'emacs-state) | |
783 | ;; because viper-current-state could have gotten it by | |
784 | ;; default. We need viper-change-state-to-emacs here to have | |
785 | ;; the keymaps take effect. | |
786 | (viper-change-state-to-emacs)) | |
787 | ((and (memq major-mode viper-insert-state-mode-list) | |
788 | (not (eq viper-current-state 'insert-state))) | |
789 | (viper-change-state-to-insert)) | |
790 | )) ; with-current-buffer | |
791 | )) ; function | |
2eb4bdca MK |
792 | viper-new-major-mode-buffer-list) |
793 | ;; clear the list of bufs that changed major mode | |
794 | (setq viper-new-major-mode-buffer-list nil) | |
795 | ;; change the global value of hook | |
796 | (remove-hook 'viper-post-command-hooks 'set-viper-state-in-major-mode)) | |
797 | ||
798 | ;; sets up post-command-hook to turn viper-mode, if the current mode is | |
799 | ;; fundamental | |
800 | (defun viper-major-mode-change-sentinel () | |
801 | (save-match-data | |
802 | (or (string-match "\*Minibuf-" (buffer-name)) | |
803 | (setq viper-new-major-mode-buffer-list | |
804 | (cons (current-buffer) viper-new-major-mode-buffer-list)))) | |
805 | ;; change the global value of hook | |
806 | (add-hook 'viper-post-command-hooks 'set-viper-state-in-major-mode t)) | |
807 | ||
1e70790f MK |
808 | |
809 | ||
04090c34 | 810 | ;; This sets major mode hooks to make them come up in vi-state. |
8626cfa2 | 811 | (defun viper-set-hooks () |
6c2e12f4 KH |
812 | ;; It is of course a misnomer to call viper-mode a `major mode'. |
813 | ;; However, this has the effect that if the user didn't specify the | |
814 | ;; default mode, new buffers that fall back on the default will come up | |
815 | ;; in Fundamental Mode and Vi state. | |
4960e757 MK |
816 | ;; When viper-mode is executed in such a case, it will set the major mode |
817 | ;; back to fundamental-mode. | |
2eb4bdca MK |
818 | (if (eq default-major-mode 'fundamental-mode) |
819 | (setq default-major-mode 'viper-mode)) | |
6c2e12f4 | 820 | |
2eb4bdca MK |
821 | (add-hook 'change-major-mode-hook 'viper-major-mode-change-sentinel) |
822 | (add-hook 'find-file-hooks 'set-viper-state-in-major-mode) | |
e36a387d | 823 | |
2eb4bdca | 824 | ;; keep this because many modes we don't know about use this hook |
bbe6126c | 825 | (defvar text-mode-hook) |
6c2e12f4 KH |
826 | (add-hook 'text-mode-hook 'viper-mode) |
827 | ||
bbe6126c | 828 | (defvar emerge-startup-hook) |
8626cfa2 | 829 | (add-hook 'emerge-startup-hook 'viper-change-state-to-emacs) |
34da0a2b | 830 | |
b93e5ce2 MK |
831 | ;; Zap bad bindings in flyspell-mouse-map, which prevent ESC from working |
832 | ;; over misspelled words (due to the overlay keymaps) | |
833 | (defvar flyspell-mode-hook) | |
834 | (add-hook 'flyspell-mode-hook | |
835 | '(lambda () | |
836 | (define-key flyspell-mouse-map viper-ESC-key nil))) | |
241d963d MK |
837 | ;; if viper is started from .emacs, it might be impossible to get certain |
838 | ;; info about the display and windows until emacs initialization is complete | |
839 | ;; So do it via the window-setup-hook | |
840 | (add-hook 'window-setup-hook | |
841 | '(lambda () | |
842 | (setq viper-vi-state-cursor-color (viper-get-cursor-color)))) | |
b93e5ce2 | 843 | |
34da0a2b MK |
844 | ;; Tell vc-diff to put *vc* in Vi mode |
845 | (if (featurep 'vc) | |
8626cfa2 | 846 | (defadvice vc-diff (after viper-vc-ad activate) |
34da0a2b | 847 | "Force Vi state in VC diff buffer." |
8626cfa2 MK |
848 | (viper-change-state-to-vi)) |
849 | (eval-after-load | |
34da0a2b | 850 | "vc" |
8626cfa2 | 851 | '(defadvice vc-diff (after viper-vc-ad activate) |
34da0a2b | 852 | "Force Vi state in VC diff buffer." |
8626cfa2 | 853 | (viper-change-state-to-vi)))) |
34da0a2b | 854 | |
8626cfa2 | 855 | (eval-after-load |
4af0c23b | 856 | "emerge" |
8626cfa2 MK |
857 | '(defadvice emerge-quit (after viper-emerge-advice activate) |
858 | "Run `viper-change-state-to-vi' after quitting emerge." | |
859 | (viper-change-state-to-vi))) | |
6c2e12f4 | 860 | ;; In case Emerge was loaded before Viper. |
8626cfa2 MK |
861 | (defadvice emerge-quit (after viper-emerge-advice activate) |
862 | "Run `viper-change-state-to-vi' after quitting emerge." | |
863 | (viper-change-state-to-vi)) | |
6c2e12f4 | 864 | |
6c2e12f4 | 865 | ;; passwd.el sets up its own buffer, which turns up in Vi mode, |
3af0304a | 866 | ;; thus overriding the local map. We don't need Vi mode here. |
8626cfa2 | 867 | (eval-after-load |
6c2e12f4 | 868 | "passwd" |
8626cfa2 | 869 | '(defadvice read-passwd-1 (before viper-passwd-ad activate) |
4af0c23b | 870 | "Switch to emacs state while reading password." |
8626cfa2 | 871 | (viper-change-state-to-emacs))) |
6c2e12f4 | 872 | |
4af0c23b | 873 | ;; Emacs shell, ange-ftp, and comint-based modes |
2eb4bdca | 874 | (add-hook 'comint-mode-hook 'viper-comint-mode-hook) ; comint |
34da0a2b | 875 | |
2eb4bdca MK |
876 | (viper-set-emacs-state-searchstyle-macros nil 'dired-mode) ; dired |
877 | (viper-set-emacs-state-searchstyle-macros nil 'tar-mode) ; tar | |
878 | (viper-set-emacs-state-searchstyle-macros nil 'mh-folder-mode) ; mhe | |
879 | (viper-set-emacs-state-searchstyle-macros nil 'gnus-group-mode) ; gnus | |
880 | (viper-set-emacs-state-searchstyle-macros nil 'gnus-summary-mode) | |
881 | (viper-set-emacs-state-searchstyle-macros nil 'Info-mode) ; info | |
882 | (viper-set-emacs-state-searchstyle-macros nil 'Buffer-menu-mode) ;buffer-menu | |
34da0a2b | 883 | |
2eb4bdca MK |
884 | ;; Modify major modes according to viper-major-mode-modifier-list |
885 | (viper-apply-major-mode-modifiers) | |
6c2e12f4 KH |
886 | |
887 | ;; For RMAIL users. | |
888 | ;; Put buf in Emacs state after edit. | |
8626cfa2 | 889 | (eval-after-load |
6c2e12f4 | 890 | "rmailedit" |
8626cfa2 | 891 | '(defadvice rmail-cease-edit (after viper-rmail-advice activate) |
4af0c23b | 892 | "Switch to emacs state when done editing message." |
8626cfa2 | 893 | (viper-change-state-to-emacs))) |
6c2e12f4 | 894 | ;; In case RMAIL was loaded before Viper. |
8626cfa2 | 895 | (defadvice rmail-cease-edit (after viper-rmail-advice activate) |
4af0c23b | 896 | "Switch to emacs state when done editing message." |
8626cfa2 | 897 | (viper-change-state-to-emacs)) |
34317da2 MK |
898 | |
899 | ;; ISO accents | |
900 | ;; Need to do it after loading iso-acc, or else this loading will wipe out | |
901 | ;; the advice. | |
902 | (eval-after-load | |
903 | "iso-acc" | |
904 | (defadvice iso-accents-mode (around viper-iso-accents-advice activate) | |
905 | "Set viper-automatic-iso-accents to iso-accents-mode." | |
906 | (let ((arg (ad-get-arg 0))) | |
907 | ad-do-it | |
908 | (setq viper-automatic-iso-accents | |
909 | (if (eq viper-current-state 'vi-state) | |
910 | (if arg | |
911 | ;; if iso-accents-mode was called with positive arg, turn | |
912 | ;; accents on | |
913 | (> (prefix-numeric-value arg) 0) | |
914 | ;; else: toggle viper-automatic-iso-accents | |
915 | (not viper-automatic-iso-accents)) | |
916 | ;; other states: accept what iso-accents-mode has done | |
917 | iso-accents-mode)) | |
918 | ;; turn off ISO accents in vi-state | |
919 | (if (eq viper-current-state 'vi-state) | |
920 | (viper-set-iso-accents-mode nil)) | |
921 | (if (memq viper-current-state '(vi-state insert-state replace-state)) | |
922 | (message "Viper ISO accents mode: %s" | |
923 | (if viper-automatic-iso-accents "on" "off"))) | |
924 | ))) | |
925 | ||
926 | ;; International input methods | |
927 | (if viper-emacs-p | |
928 | (eval-after-load "mule-cmds" | |
929 | (progn | |
930 | (defadvice inactivate-input-method (after viper-mule-advice activate) | |
931 | "Set viper-special-input-method to disable intl. input methods." | |
932 | (viper-inactivate-input-method-action)) | |
933 | (defadvice activate-input-method (after viper-mule-advice activate) | |
934 | "Set viper-special-input-method to enable intl. input methods." | |
935 | (viper-activate-input-method-action)) | |
936 | )) | |
937 | ;; XEmacs Although these hooks exist in Emacs, they don't seem to be always | |
938 | ;; called on input-method activation/deactivation, so we the above advise | |
939 | ;; functions instead. | |
940 | (eval-after-load "mule-cmds" | |
941 | (progn | |
942 | (add-hook 'input-method-activate-hook | |
943 | 'viper-activate-input-method-action t) | |
944 | (add-hook 'input-method-inactivate-hook | |
945 | 'viper-inactivate-input-method-action t))) | |
946 | ) | |
947 | (eval-after-load "mule-cmds" | |
948 | (defadvice toggle-input-method (around viper-mule-advice activate) | |
949 | "Adjust input-method toggling in vi-state." | |
950 | (if (and viper-special-input-method (eq viper-current-state 'vi-state)) | |
951 | (viper-inactivate-input-method) | |
952 | ad-do-it))) | |
953 | ||
8626cfa2 | 954 | ) ; viper-set-hooks |
726e270f | 955 | |
e36a387d MK |
956 | |
957 | ;; these are primarily advices and Vi-ish variable settings | |
8626cfa2 MK |
958 | (defun viper-non-hook-settings () |
959 | ||
960 | ;; This var is not local in Emacs, so we make it local. It must be local | |
961 | ;; because although the stack of minor modes can be the same for all buffers, | |
3af0304a | 962 | ;; the associated *keymaps* can be different. In Viper, |
8626cfa2 MK |
963 | ;; viper-vi-local-user-map, viper-insert-local-user-map, and others can have |
964 | ;; different keymaps for different buffers. Also, the keymaps associated | |
965 | ;; with viper-vi/insert-state-modifier-minor-mode can be different. | |
e36a387d MK |
966 | (make-variable-buffer-local 'minor-mode-map-alist) |
967 | ||
968 | ;; Viper changes the default mode-line-buffer-identification | |
969 | (setq-default mode-line-buffer-identification '(" %b")) | |
970 | ||
971 | ;; setup emacs-supported vi-style feel | |
972 | (setq next-line-add-newlines nil | |
973 | require-final-newline t) | |
974 | ||
975 | (make-variable-buffer-local 'require-final-newline) | |
976 | ||
977 | ;; don't bark when mark is inactive | |
8626cfa2 | 978 | (if viper-emacs-p |
5489c3d3 | 979 | (setq mark-even-if-inactive t)) |
e36a387d MK |
980 | |
981 | (setq scroll-step 1) | |
982 | ||
983 | ;; Variable displaying the current Viper state in the mode line. | |
8626cfa2 MK |
984 | (viper-deflocalvar viper-mode-string viper-emacs-state-id) |
985 | (or (memq 'viper-mode-string global-mode-string) | |
e36a387d | 986 | (setq global-mode-string |
8626cfa2 | 987 | (append '("" viper-mode-string) (cdr global-mode-string)))) |
e36a387d | 988 | |
8626cfa2 | 989 | (defadvice describe-key (before viper-read-keyseq-ad protect activate) |
4960e757 | 990 | "Force to read key via `viper-read-key-sequence'." |
8bdd0bf7 | 991 | (interactive (list (viper-read-key-sequence "Describe key: ")))) |
e36a387d | 992 | |
8626cfa2 MK |
993 | (defadvice describe-key-briefly |
994 | (before viper-read-keyseq-ad protect activate) | |
4960e757 | 995 | "Force to read key via `viper-read-key-sequence'." |
8bdd0bf7 | 996 | (interactive (list (viper-read-key-sequence "Describe key briefly: ")))) |
e36a387d MK |
997 | |
998 | ||
8626cfa2 | 999 | (defadvice find-file (before viper-add-suffix-advice activate) |
e36a387d MK |
1000 | "Use `read-file-name' for reading arguments." |
1001 | (interactive (cons (read-file-name "Find file: " nil default-directory) | |
560ef11a MK |
1002 | ;; XEmacs: if Mule & prefix arg, ask for coding system |
1003 | (cond ((and viper-xemacs-p (featurep 'mule)) | |
1e70790f MK |
1004 | (list |
1005 | (and current-prefix-arg | |
560ef11a MK |
1006 | (read-coding-system "Coding-system: ")))) |
1007 | ;; Emacs: do wildcards | |
1008 | ((and viper-emacs-p (boundp 'find-file-wildcards)) | |
1009 | (list find-file-wildcards)))) | |
1010 | )) | |
e36a387d | 1011 | |
8626cfa2 | 1012 | (defadvice find-file-other-window (before viper-add-suffix-advice activate) |
e36a387d MK |
1013 | "Use `read-file-name' for reading arguments." |
1014 | (interactive (cons (read-file-name "Find file in other window: " | |
1015 | nil default-directory) | |
560ef11a MK |
1016 | ;; XEmacs: if Mule & prefix arg, ask for coding system |
1017 | (cond ((and viper-xemacs-p (featurep 'mule)) | |
1e70790f MK |
1018 | (list |
1019 | (and current-prefix-arg | |
560ef11a MK |
1020 | (read-coding-system "Coding-system: ")))) |
1021 | ;; Emacs: do wildcards | |
1022 | ((and viper-emacs-p (boundp 'find-file-wildcards)) | |
1023 | (list find-file-wildcards)))) | |
1024 | )) | |
e36a387d | 1025 | |
1e70790f | 1026 | |
8626cfa2 | 1027 | (defadvice find-file-other-frame (before viper-add-suffix-advice activate) |
e36a387d MK |
1028 | "Use `read-file-name' for reading arguments." |
1029 | (interactive (cons (read-file-name "Find file in other frame: " | |
1030 | nil default-directory) | |
560ef11a MK |
1031 | ;; XEmacs: if Mule & prefix arg, ask for coding system |
1032 | (cond ((and viper-xemacs-p (featurep 'mule)) | |
1e70790f MK |
1033 | (list |
1034 | (and current-prefix-arg | |
560ef11a MK |
1035 | (read-coding-system "Coding-system: ")))) |
1036 | ;; Emacs: do wildcards | |
1037 | ((and viper-emacs-p (boundp 'find-file-wildcards)) | |
1038 | (list find-file-wildcards)))) | |
1039 | )) | |
1e70790f | 1040 | |
e36a387d | 1041 | |
8626cfa2 MK |
1042 | (defadvice read-file-name (around viper-suffix-advice activate) |
1043 | "Tell `exit-minibuffer' to run `viper-file-add-suffix' as a hook." | |
96dffd25 | 1044 | (let ((viper-minibuffer-exit-hook |
2eb4bdca MK |
1045 | (append viper-minibuffer-exit-hook |
1046 | '(viper-minibuffer-trim-tail viper-file-add-suffix)))) | |
e36a387d MK |
1047 | ad-do-it)) |
1048 | ||
8626cfa2 | 1049 | (defadvice start-kbd-macro (after viper-kbd-advice activate) |
e36a387d MK |
1050 | "Remove Viper's intercepting bindings for C-x ). |
1051 | This may be needed if the previous `:map' command terminated abnormally." | |
8626cfa2 MK |
1052 | (define-key viper-vi-intercept-map "\C-x)" nil) |
1053 | (define-key viper-insert-intercept-map "\C-x)" nil) | |
1054 | (define-key viper-emacs-intercept-map "\C-x)" nil)) | |
41497c90 MK |
1055 | |
1056 | ;; catch frame switching event | |
1057 | (if (viper-window-display-p) | |
1058 | (if viper-xemacs-p | |
1059 | (add-hook 'mouse-leave-frame-hook | |
1060 | 'viper-remember-current-frame) | |
1061 | (defadvice handle-switch-frame (before viper-frame-advice activate) | |
1062 | "Remember the selected frame before the switch-frame event." | |
1063 | (viper-remember-current-frame (selected-frame)))) ) | |
1064 | ||
8626cfa2 | 1065 | ) ; end viper-non-hook-settings |
e36a387d | 1066 | |
4960e757 | 1067 | |
726e270f | 1068 | \f |
41497c90 MK |
1069 | ;; Ask only if this-command/last-command are nil, i.e., when loading |
1070 | (cond ((and (eq viper-mode 'ask) (null this-command) (null last-command)) | |
1071 | (save-window-excursion | |
1072 | (with-output-to-temp-buffer " *viper-info*" | |
1073 | (princ " | |
e36a387d MK |
1074 | You have loaded Viper, and are about to Viperize your emacs! |
1075 | ||
8626cfa2 | 1076 | Viper is a Package for Emacs Rebels and a venomous VI PERil, |
e36a387d MK |
1077 | |
1078 | It's time to decide: to Viperize or not to Viperize... | |
1079 | ||
1080 | If you wish to Viperize AND make this your way of life, please put | |
1081 | ||
1082 | (setq viper-mode t) | |
1083 | (require 'viper) | |
1084 | ||
1085 | in your .emacs file (preferably, close to the top). | |
1086 | These two lines must come in the order given. | |
1087 | ||
8626cfa2 MK |
1088 | ** Viper users: |
1089 | **** The startup file name has been changed from .vip to .viper | |
1090 | **** All vip-* style names have been converted to viper-* style.")) | |
41497c90 MK |
1091 | (if (y-or-n-p "Viperize? ") |
1092 | (setq viper-mode t) | |
1093 | (setq viper-mode nil)) | |
1094 | (message "") | |
1095 | (kill-buffer " *viper-info*"))) | |
1096 | ||
3af0304a | 1097 | ;; If viper-mode is t, then just continue. Viper will kick in. |
41497c90 | 1098 | ((eq viper-mode t)) |
2eb4bdca | 1099 | ;; Otherwise, it was asking Viper was not loaded through .emacs |
41497c90 | 1100 | ;; In this case, it was either through M-x viper-mode or via something |
3af0304a | 1101 | ;; else, like the custom widget. If Viper was loaded through |
41497c90 MK |
1102 | ;; M-x viper-mode, then viper will kick in anyway. |
1103 | (t (setq viper-mode nil))) | |
8626cfa2 MK |
1104 | |
1105 | (defun viper-load-custom-file () | |
1106 | (if (and (file-exists-p viper-custom-file-name) | |
1107 | (not noninteractive)) | |
1108 | (load viper-custom-file-name))) | |
e36a387d | 1109 | |
726e270f MK |
1110 | |
1111 | ||
1112 | \f | |
1e70790f MK |
1113 | |
1114 | ||
1115 | ;; save non-viper vars that Viper might change | |
1116 | (if (null viper-saved-non-viper-variables) | |
1117 | (setq viper-saved-non-viper-variables | |
1118 | (list | |
1e70790f MK |
1119 | (cons 'next-line-add-newlines (list next-line-add-newlines)) |
1120 | (cons 'require-final-newline (list require-final-newline)) | |
1e70790f MK |
1121 | (cons 'scroll-step (list scroll-step)) |
1122 | (cons 'mode-line-buffer-identification | |
1123 | (list (default-value 'mode-line-buffer-identification))) | |
1124 | (cons 'global-mode-string (list global-mode-string)) | |
8626cfa2 | 1125 | (if viper-emacs-p |
5489c3d3 | 1126 | (cons 'mark-even-if-inactive (list mark-even-if-inactive))) |
1e70790f MK |
1127 | ))) |
1128 | ||
6c2e12f4 | 1129 | |
e36a387d | 1130 | ;; Set some useful macros, advices |
1e70790f MK |
1131 | ;; These must be BEFORE ~/.viper is loaded, |
1132 | ;; so the user can unrecord them in ~/.viper. | |
e36a387d MK |
1133 | (if viper-mode |
1134 | (progn | |
1135 | ;; set advices and some variables that give emacs Vi look. | |
8626cfa2 | 1136 | (viper-non-hook-settings) |
e36a387d MK |
1137 | |
1138 | ;; repeat the 2nd previous command without rotating the command history | |
8626cfa2 MK |
1139 | (viper-record-kbd-macro |
1140 | (vector viper-repeat-from-history-key '\1) 'vi-state | |
1141 | [(meta x) v i p e r - r e p e a t - f r o m - h i s t o r y return] 't) | |
e36a387d | 1142 | ;; repeat the 3d previous command without rotating the command history |
8626cfa2 MK |
1143 | (viper-record-kbd-macro |
1144 | (vector viper-repeat-from-history-key '\2) 'vi-state | |
1145 | [(meta x) v i p e r - r e p e a t - f r o m - h i s t o r y return] 't) | |
e36a387d | 1146 | |
1e70790f | 1147 | ;; set macros for toggling case sensitivity and regexp search |
8626cfa2 | 1148 | (viper-set-searchstyle-toggling-macros nil) |
e36a387d | 1149 | ;; Make %%% toggle parsing comments for matching parentheses |
8626cfa2 MK |
1150 | (viper-set-parsing-style-toggling-macro nil) |
1151 | ||
1152 | ;; ~/.viper is loaded if exists | |
1153 | (viper-load-custom-file) | |
1154 | ||
1155 | ;; should be after loading custom file to avoid the pesky msg that | |
1156 | ;; mouse-search/insert keys are already bound | |
1157 | (viper-bind-mouse-search-key) | |
1158 | (viper-bind-mouse-insert-key) | |
e36a387d | 1159 | )) |
d695b318 | 1160 | |
6c2e12f4 | 1161 | |
6c2e12f4 | 1162 | \f |
8626cfa2 | 1163 | ;; Applying Viper customization -- runs after (load .viper) |
6c2e12f4 | 1164 | |
8971f87b | 1165 | ;; Save user settings or Viper defaults for vars controlled by |
1e70790f MK |
1166 | ;; viper-expert-level |
1167 | (if (null viper-saved-user-settings) | |
1168 | (setq viper-saved-user-settings | |
8626cfa2 | 1169 | (list (cons 'viper-want-ctl-h-help (list viper-want-ctl-h-help)) |
1e70790f | 1170 | (cons 'viper-always (list viper-always)) |
8626cfa2 MK |
1171 | (cons 'viper-no-multiple-ESC (list viper-no-multiple-ESC)) |
1172 | (cons 'viper-ex-style-motion (list viper-ex-style-motion)) | |
34317da2 MK |
1173 | (cons 'viper-ex-style-editing |
1174 | (list viper-ex-style-editing)) | |
8626cfa2 MK |
1175 | (cons 'viper-want-emacs-keys-in-vi |
1176 | (list viper-want-emacs-keys-in-vi)) | |
1177 | (cons 'viper-electric-mode (list viper-electric-mode)) | |
1178 | (cons 'viper-want-emacs-keys-in-insert | |
1179 | (list viper-want-emacs-keys-in-insert)) | |
1180 | (cons 'viper-re-search (list viper-re-search))))) | |
6c2e12f4 KH |
1181 | |
1182 | ||
e36a387d MK |
1183 | (if viper-mode |
1184 | (progn | |
8626cfa2 MK |
1185 | (viper-set-minibuffer-style) |
1186 | (if viper-buffer-search-char | |
1187 | (viper-buffer-search-enable)) | |
34317da2 | 1188 | (viper-update-syntax-classes 'set-default) |
e36a387d | 1189 | )) |
6c2e12f4 | 1190 | |
d5e52f99 | 1191 | \f |
6c2e12f4 | 1192 | ;;; Familiarize Viper with some minor modes that have their own keymaps |
e36a387d MK |
1193 | (if viper-mode |
1194 | (progn | |
8626cfa2 MK |
1195 | (viper-harness-minor-mode "compile") |
1196 | (viper-harness-minor-mode "outline") | |
1197 | (viper-harness-minor-mode "allout") | |
1198 | (viper-harness-minor-mode "xref") | |
1199 | (viper-harness-minor-mode "lmenu") | |
1200 | (viper-harness-minor-mode "vc") | |
1201 | (viper-harness-minor-mode "ltx-math") ; LaTeX-math-mode in AUC-TeX, which | |
1202 | (viper-harness-minor-mode "latex") ; sits in one of these two files | |
1203 | (viper-harness-minor-mode "cyrillic") | |
1204 | (viper-harness-minor-mode "russian") | |
1205 | (viper-harness-minor-mode "view-less") | |
1206 | (viper-harness-minor-mode "view") | |
2eb4bdca | 1207 | (viper-harness-minor-mode "reftex") |
3af0304a | 1208 | (viper-harness-minor-mode "flyspell") |
e36a387d | 1209 | )) |
6c2e12f4 KH |
1210 | |
1211 | ||
1212 | ;; Intercept maps could go in viper-keym.el | |
1e70790f | 1213 | ;; We keep them here in case someone redefines them in ~/.viper |
6c2e12f4 | 1214 | |
8626cfa2 MK |
1215 | (define-key viper-vi-intercept-map viper-ESC-key 'viper-intercept-ESC-key) |
1216 | (define-key viper-insert-intercept-map viper-ESC-key 'viper-intercept-ESC-key) | |
6c2e12f4 | 1217 | |
8626cfa2 MK |
1218 | ;; This is taken care of by viper-insert-global-user-map. |
1219 | ;;(define-key viper-replace-map viper-ESC-key 'viper-intercept-ESC-key) | |
6c2e12f4 | 1220 | |
34da0a2b | 1221 | |
8626cfa2 | 1222 | ;; The default viper-toggle-key is \C-z; for the novice, it suspends or |
6c2e12f4 | 1223 | ;; iconifies Emacs |
8626cfa2 MK |
1224 | (define-key viper-vi-intercept-map viper-toggle-key 'viper-toggle-key-action) |
1225 | (define-key | |
1226 | viper-emacs-intercept-map viper-toggle-key 'viper-change-state-to-vi) | |
328b4b70 MK |
1227 | |
1228 | ;;; Escape from Emacs and Insert modes to Vi for one command | |
1229 | (define-key | |
1230 | viper-emacs-intercept-map "\C-c\\" 'viper-escape-to-vi) | |
1231 | (define-key | |
1232 | viper-insert-intercept-map "\C-c\\" 'viper-escape-to-vi) | |
1233 | ||
1234 | (if viper-mode | |
c004db97 MK |
1235 | (setq-default viper-emacs-intercept-minor-mode t |
1236 | viper-emacs-local-user-minor-mode t | |
1237 | viper-emacs-global-user-minor-mode t | |
1238 | viper-emacs-kbd-minor-mode t | |
1239 | viper-emacs-state-modifier-minor-mode t)) | |
1240 | (if (and viper-mode (eq viper-current-state 'emacs-state)) | |
1241 | (setq viper-emacs-intercept-minor-mode t | |
1242 | viper-emacs-local-user-minor-mode t | |
1243 | viper-emacs-global-user-minor-mode t | |
1244 | viper-emacs-kbd-minor-mode t | |
1245 | viper-emacs-state-modifier-minor-mode t)) | |
6c2e12f4 KH |
1246 | |
1247 | ||
e36a387d MK |
1248 | (if (and viper-mode |
1249 | (or viper-always | |
1e70790f | 1250 | (and (< viper-expert-level 5) (> viper-expert-level 0)))) |
8626cfa2 | 1251 | (viper-set-hooks)) |
6c2e12f4 | 1252 | |
2550055a MK |
1253 | ;; Let all minor modes take effect after loading. |
1254 | ;; This may not be enough, so we also set default minor-mode-alist. | |
6c2e12f4 | 1255 | ;; Without setting the default, new buffers that come up in emacs mode have |
8626cfa2 | 1256 | ;; minor-mode-map-alist = nil, unless we call viper-change-state-* |
328b4b70 | 1257 | (if (and viper-mode (eq viper-current-state 'emacs-state)) |
6c2e12f4 | 1258 | (progn |
8626cfa2 | 1259 | (viper-change-state-to-emacs) |
6c2e12f4 KH |
1260 | (setq-default minor-mode-map-alist minor-mode-map-alist) |
1261 | )) | |
2eb4bdca | 1262 | |
4960e757 | 1263 | (if (and viper-mode (this-major-mode-requires-vi-state major-mode)) |
2eb4bdca | 1264 | (viper-mode)) |
6c2e12f4 | 1265 | |
2550055a MK |
1266 | (if viper-mode |
1267 | (setq initial-major-mode | |
1268 | `(lambda () | |
1269 | (funcall (quote ,initial-major-mode)) | |
1270 | (set-viper-state-in-major-mode)) | |
1271 | )) | |
1272 | ||
1273 | ||
d5e52f99 | 1274 | |
8626cfa2 | 1275 | (run-hooks 'viper-load-hook) ; the last chance to change something |
6c2e12f4 | 1276 | |
d5e52f99 | 1277 | (provide 'viper) |
6c2e12f4 | 1278 | |
1e70790f MK |
1279 | |
1280 | ;;; Local Variables: | |
8626cfa2 | 1281 | ;;; eval: (put 'viper-deflocalvar 'lisp-indent-hook 'defun) |
1e70790f MK |
1282 | ;;; End: |
1283 | ||
60370d40 | 1284 | ;;; viper.el ends here |