1 ;;; viper.el --- A full-featured Vi emulator for GNU Emacs and XEmacs,
2 ;; a VI Plan for Emacs Rescue,
3 ;; and a venomous VI PERil.
4 ;; Viper Is also a Package for Emacs Rebels.
6 ;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
7 ;; 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
9 ;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
10 ;; Keywords: emulations
12 ;; Yoni Rabkin <yoni@rabkins.net> contacted the maintainer of this
13 ;; file on 20/3/2008, and the maintainer agreed that when a bug is
14 ;; filed in the Emacs bug reporting system against this file, a copy
15 ;; of the bug report be sent to the maintainer's email address.
17 (defconst viper-version
"3.14.1 of August 15, 2009"
18 "The current version of Viper")
20 ;; This file is part of GNU Emacs.
22 ;; GNU Emacs is free software: you can redistribute it and/or modify
23 ;; it under the terms of the GNU General Public License as published by
24 ;; the Free Software Foundation, either version 3 of the License, or
25 ;; (at your option) any later version.
27 ;; GNU Emacs is distributed in the hope that it will be useful,
28 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
29 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 ;; GNU General Public License for more details.
32 ;; You should have received a copy of the GNU General Public License
33 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
37 ;; Viper is a full-featured Vi emulator for Emacs and XEmacs. It emulates and
38 ;; improves upon the standard features of Vi and, at the same time, allows
39 ;; full access to all Emacs facilities. Viper supports multiple undo,
40 ;; file name completion, command, file, and search history and it extends
41 ;; Vi in many other ways. Viper is highly customizable through the various
42 ;; hooks, user variables, and keymaps. It is implemented as a collection
43 ;; of minor modes and it is designed to provide full access to all Emacs
44 ;; major and minor modes.
48 ;; Viper is a new name for a package formerly known as VIP-19,
49 ;; which was a successor of VIP version 3.5 by Masahiko Sato
50 ;; <ms@sail.stanford.edu> and VIP version 4.2 by Aamod Sane
51 ;; <sane@cs.uiuc.edu>. Some ideas from vip 4.4.2 by Aamod Sane
52 ;; were also shamelessly plagiarized.
54 ;; Viper maintains some degree of compatibility with these older
55 ;; packages. See the documentation for customization.
57 ;; The main difference between Viper and these older packages are:
59 ;; 1. Viper emulates Vi at several levels, from almost complete conformity
60 ;; to a rather loose Vi-compliance.
62 ;; 2. Viper provides full access to all major and minor modes of Emacs
63 ;; without the need to type extra keys.
64 ;; The older versions of VIP (and other Vi emulators) do not work with
65 ;; some major and minor modes.
67 ;; 3. Viper supports vi-style undo.
69 ;; 4. Viper fully emulates (and improves upon) vi's replacement mode.
71 ;; 5. Viper has a better interface to ex, including command, variable, and
72 ;; file name completion.
74 ;; 6. Viper uses native Emacs history and completion features; it doesn't
75 ;; rely on other packages (such as gmhist.el and completer.el) to provide
78 ;; 7. Viper supports Vi-style editing in the minibuffer, by allowing the
79 ;; user to switch from Insert state to Vi state to Replace state, etc.
81 ;; 8. Viper keeps history of recently inserted pieces of text and recently
82 ;; executed Vi-style destructive commands, such as `i', `d', etc.
83 ;; These pieces of text can be inserted in later insertion commands;
84 ;; the previous destructive commands can be re-executed.
86 ;; 9. Viper has Vi-style keyboard macros, which enhances the similar
87 ;; facility in the original Vi.
88 ;; First, one can execute any Emacs command while defining a
89 ;; macro, not just the Vi commands. Second, macros are defined in a
90 ;; WYSYWYG mode, using an interface to Emacs' WYSIWYG style of defining
91 ;; macros. Third, in Viper, one can define macros that are specific to
92 ;; a given buffer, a given major mode, or macros defined for all buffers.
93 ;; The same macro name can have several different definitions:
94 ;; one global, several definitions for various major modes, and
95 ;; definitions for specific buffers.
96 ;; Buffer-specific definitions override mode-specific
97 ;; definitions, which, in turn, override global definitions.
106 ;;; Acknowledgements:
108 ;; Bug reports and ideas contributed by many users have helped
109 ;; improve Viper and the various versions of VIP.
110 ;; See the on-line manual for a complete list of contributors.
116 ;; In most cases, Viper handles major modes correctly, i.e., they come up
117 ;; in the right state (either vi-state or emacs-state). For instance, text
118 ;; files come up in vi-state, while, say, Dired appears in emacs-state by
120 ;; However, some modes do not appear in the right mode in the beginning,
121 ;; usually because they neglect to follow Emacs conventions (e.g., they don't
122 ;; use kill-all-local-variables when they start). Some major modes
123 ;; may fail to come up in emacs-state if they call hooks, such as
124 ;; text-hook, for no good reason.
126 ;; As an immediate solution, you can hit C-z to bring about the right mode.
127 ;; An interim solution is to add an appropriate hook to the mode like this:
129 ;; (add-hook 'your-favorite-mode 'viper-mode)
131 ;; (add-hook 'your-favorite-mode 'viper-change-state-to-emacs)
133 ;; whichever applies. The right thing to do, however, is to complain to the
134 ;; author of the respective package. (Sometimes they also neglect to equip
135 ;; their modes with hooks, which is one more reason for complaining.)
137 ;; 2. Keymap handling
138 ;; Each Viper state (insert, vi, replace) is implemented as a collection of
139 ;; several minor modes, each with its own keymap.
141 ;; Viper's Vi state consists of seven minor modes:
143 ;; viper-vi-intercept-minor-mode
144 ;; viper-vi-local-user-minor-mode
145 ;; viper-vi-global-user-minor-mode
146 ;; viper-vi-kbd-minor-mode
147 ;; viper-vi-state-modifier-minor-mode
148 ;; viper-vi-diehard-minor-mode
149 ;; viper-vi-basic-minor-mode
151 ;; Bindings done to the keymap of the first mode overshadow those done to
152 ;; the second, which, in turn, overshadows those done to the third, etc.
154 ;; The last viper-vi-basic-minor-mode contains most of the usual Vi bindings
155 ;; in its edit mode. This mode provides access to all Emacs facilities.
156 ;; Novice users, however, may want to set their viper-expert-level to 1
157 ;; in their .viper file. This will enable viper-vi-diehard-minor-mode. This
158 ;; minor mode's bindings make Viper simulate the usual Vi very closely.
159 ;; For instance, C-c will not have its standard Emacs binding
160 ;; and so many of the goodies of Emacs are not available.
162 ;; A skilled user should set viper-expert-level to at least 3. This will
163 ;; enable `C-c' and many Emacs facilities will become available.
164 ;; In this case, viper-vi-diehard-minor-mode is inactive.
166 ;; Viper gurus should have at least
167 ;; (setq viper-expert-level 4)
168 ;; in their ~/.viper files. This will unsuppress all Emacs keys that are not
169 ;; essential for VI-style editing.
170 ;; Pick-and-choose users may want to put
171 ;; (setq viper-expert-level 5)
172 ;; in ~/.viper. Viper will then leave it up to the user to set the variables
173 ;; viper-want-* See viper-set-expert-level for details.
175 ;; The very first minor mode, viper-vi-intercept-minor-mode, is of no
176 ;; concern for the user. It is needed to bind Viper's vital keys, such as
179 ;; The second mode, viper-vi-local-user-minor-mode, usually has an
180 ;; empty keymap. However, the user can set bindings in this keymap, which
181 ;; will overshadow the corresponding bindings in the other two minor
182 ;; modes. This is useful, for example, for setting up ZZ in gnus,
183 ;; rmail, mh-e, etc., to send message instead of saving it in a file.
184 ;; Likewise, in Dired mode, you may want to bind ZN and ZP to commands
185 ;; that would visit the next or the previous file in the Dired buffer.
186 ;; Setting local keys is tricky, so don't do it directly. Instead, use
187 ;; viper-add-local-keys function (see its doc).
189 ;; The third minor mode, viper-vi-global-user-minor-mode, is also intended
190 ;; for the users but, unlike viper-vi-local-user-minor-mode, its key
191 ;; bindings are seen in all Viper buffers. This mode keys can be done
192 ;; with define-key command.
194 ;; The fourth minor mode, viper-vi-kbd-minor-mode, is used by keyboard
195 ;; macros. Users are NOT supposed to modify this keymap directly.
197 ;; The fifth mode, viper-vi-state-modifier-minor-mode, can be used to set
198 ;; key bindings that are visible in some major modes but not in others.
200 ;; Users are allowed to modify keymaps that belong to
201 ;; viper-vi-local-user-minor-mode, viper-vi-global-user-minor-mode,
202 ;; and viper-vi-state-modifier-minor-mode only.
204 ;; Viper's Insert state also has seven minor modes:
206 ;; viper-insert-intercept-minor-mode
207 ;; viper-insert-local-user-minor-mode
208 ;; viper-insert-global-user-minor-mode
209 ;; viper-insert-kbd-minor-mode
210 ;; viper-insert-state-modifier-minor-mode
211 ;; viper-insert-diehard-minor-mode
212 ;; viper-insert-basic-minor-mode
214 ;; As with VI's editing modes, the first mode,
215 ;; viper-insert-intercept-minor-mode is used to bind vital keys that are not
216 ;; to be changed by the user.
218 ;; The next mode, viper-insert-local-user-minor-mode, is used to customize
219 ;; bindings in the insert state of Viper. The third mode,
220 ;; viper-insert-global-user-minor-mode is like
221 ;; viper-insert-local-user-minor-mode, except that its bindings are seen in
222 ;; all Viper buffers. As with viper-vi-local-user-minor-mode, its bindings
223 ;; should be done via the function viper-add-local-keys. Bindings for
224 ;; viper-insert-global-user-minor-mode can be set with the define-key command.
226 ;; The next minor mode, viper-insert-kbd-minor-mode,
227 ;; is used for keyboard VI-style macros defined with :map!.
229 ;; The fifth minor mode, viper-insert-state-modifier-minor-mode, is like
230 ;; viper-vi-state-modifier-minor-mode, except that it is used in the Insert
231 ;; state; it can be used to modify keys in a mode-specific fashion.
233 ;; The minor mode viper-insert-diehard-minor-mode is in effect when
234 ;; the user wants a high degree of Vi compatibility (a bad idea, really!).
235 ;; The last minor mode, viper-insert-basic-minor-mode, is always in effect
236 ;; when Viper is in insert state. It binds a small number of keys needed for
237 ;; Viper's operation.
239 ;; Finally, Viper provides minor modes for overriding bindings set by Emacs
240 ;; modes when Viper is in Emacs state:
242 ;; viper-emacs-local-user-minor-mode
243 ;; viper-emacs-global-user-minor-mode
244 ;; viper-emacs-kbd-minor-mode
245 ;; viper-emacs-state-modifier-minor-mode
247 ;; These minor modes are in effect when Viper is in Emacs state. The keymap
248 ;; associated with viper-emacs-global-user-minor-mode,
249 ;; viper-emacs-global-user-map, overrides the global and local keymaps as
250 ;; well as the minor mode keymaps set by other modes. The keymap of
251 ;; viper-emacs-local-user-minor-mode, viper-emacs-local-user-map, overrides
252 ;; everything, but it is used on a per buffer basis.
253 ;; The keymap associated with viper-emacs-state-modifier-minor-mode
254 ;; overrides keys on a per-major-mode basis. The mode
255 ;; viper-emacs-kbd-minor-mode is used to define Vi-style macros in Emacs
258 ;; 3. There is also one minor mode that is used when Viper is in its
259 ;; replace-state (used for commands like cw, C, etc.). This mode is
262 ;; viper-replace-minor-mode
264 ;; and its keymap is viper-replace-map. Replace minor mode is always
265 ;; used in conjunction with the minor modes for insert-state, and its
266 ;; keymap overshadows the keymaps for insert minor modes.
268 ;; 4. Defining buffer-local bindings in Vi and Insert modes.
269 ;; As mentioned before, sometimes, it is convenient to have
270 ;; buffer-specific of mode-specific key bindings in Vi and insert modes.
271 ;; Viper provides a special function, viper-add-local-keys, to do precisely
272 ;; this. For instance, is you need to add couple of mode-specific bindings
273 ;; to Insert mode, you can put
275 ;; (viper-add-local-keys 'insert-state '((key1 . func1) (key2 .func2)))
277 ;; somewhere in a hook of this major mode. If you put something like this
278 ;; in your own elisp function, this will define bindings specific to the
279 ;; buffer that was current at the time of the call to viper-add-local-keys.
280 ;; The only thing to make sure here is that the major mode of this buffer
281 ;; is written according to Emacs conventions, which includes a call to
282 ;; (kill-all-local-variables). See viper-add-local-keys for more details.
285 ;; TO DO (volunteers?):
287 ;; 1. Some of the code that is inherited from VIP-3.5 is rather
288 ;; convoluted. Instead of viper-command-argument, keymaps should bind the
289 ;; actual commands. E.g., "dw" should be bound to a generic command
290 ;; viper-delete that will delete things based on the value of
291 ;; last-command-event. This would greatly simplify the logic and the code.
293 ;; 2. Somebody should venture to write a customization package a la
294 ;; options.el that would allow the user to change values of variables
295 ;; that meet certain specs (e.g., match a regexp) and whose doc string
296 ;; starts with a '*'. Then, the user should be offered to save
297 ;; variables that were changed. This will make user's customization job
304 (defvar mark-even-if-inactive
)
306 (defvar viper-expert-level
)
307 (defvar viper-mode-string
)
308 (defvar viper-major-mode-modifier-list
)
312 (require 'viper-init
)
313 (require 'viper-keym
)
315 ;; better be defined before Viper custom group.
316 (defvar viper-custom-file-name
(convert-standard-filename "~/.viper")
317 "Viper customization file.
318 If set by the user, this must be done _before_ Viper is loaded in `~/.emacs'.")
321 "Vi emulation within Emacs.
322 NOTE: Viper customization should be saved in `viper-custom-file-name', which
323 defaults to `~/.viper'."
329 (defgroup viper-misc nil
330 "Miscellaneous Viper customization."
335 (defcustom viper-always t
336 "Non-nil means, arrange for vi-state to be a default when appropriate.
337 This is different from `viper-mode' variable in that `viper-mode' determines
338 whether to use Viper in the first place, while `viper-always', if nil, lets
339 user decide when to invoke Viper in a major mode."
341 :tag
"Always Invoke Viper"
344 ;; Non-viper variables that need to be saved in case the user decides to
345 ;; de-viperize emacs.
346 (defvar viper-saved-non-viper-variables nil
)
348 (defcustom viper-mode
(cond (noninteractive nil
)
350 "To Viperize or not to Viperize.
351 If t, viperize Emacs. If nil -- don't. If `ask', ask the user.
352 This variable is used primarily when Viper is being loaded.
354 Must be set in `~/.emacs' before Viper is loaded.
355 DO NOT set this variable interactively, unless you are using the customization
357 :type
'(choice (const nil
) (const t
) (const ask
))
358 :tag
"Set Viper Mode on Loading"
361 (defcustom viper-vi-state-mode-list
372 html-mode html-helper-mode
373 emacs-lisp-mode lisp-mode lisp-interaction-mode
376 cc-mode c-mode c
++-mode objc-mode
377 fortran-mode f90-mode
385 text-mode indented-text-mode
386 tex-mode latex-mode bibtex-mode
389 ;; completion-list-mode
399 sh-mode ksh-mode csh-mode
404 "Major modes that require Vi command state."
405 :type
'(repeat symbol
)
408 (defcustom viper-emacs-state-mode-list
415 browse-kill-ring-mode
433 jde-javadoc-checker-report-mode
438 "*A list of major modes that should come up in Emacs state.
439 Normally, Viper would bring buffers up in Emacs state, unless the corresponding
440 major mode has been placed on `viper-vi-state-mode-list' or
441 `viper-insert-state-mode-list'. So, don't place a new mode on this list,
442 unless it is coming up in a wrong Viper state."
443 :type
'(repeat symbol
)
446 (defcustom viper-insert-state-mode-list
447 '(internal-ange-ftp-mode
450 inferior-emacs-lisp-mode
454 "*A list of major modes that should come up in Vi Insert state."
455 :type
'(repeat symbol
)
459 ;; used to set viper-major-mode-modifier-list in defcustom
460 (defun viper-apply-major-mode-modifiers (&optional symbol value
)
463 (mapcar (lambda (triple)
464 (viper-modify-major-mode
465 (nth 0 triple
) (nth 1 triple
) (eval (nth 2 triple
))))
466 viper-major-mode-modifier-list
))
468 ;; We change standard bindings in some major modes, making them slightly
469 ;; different than in "normal" vi/insert/emacs states
470 (defcustom viper-major-mode-modifier-list
471 '((help-mode emacs-state viper-slash-and-colon-map
)
472 (comint-mode insert-state viper-comint-mode-modifier-map
)
473 (comint-mode vi-state viper-comint-mode-modifier-map
)
474 (gud-mode insert-state viper-comint-mode-modifier-map
)
475 (shell-mode insert-state viper-comint-mode-modifier-map
)
476 (inferior-emacs-lisp-mode insert-state viper-comint-mode-modifier-map
)
477 (shell-mode vi-state viper-comint-mode-modifier-map
)
478 (ange-ftp-shell-mode insert-state viper-comint-mode-modifier-map
)
479 (ange-ftp-shell-mode vi-state viper-comint-mode-modifier-map
)
480 (internal-ange-ftp-mode insert-state viper-comint-mode-modifier-map
)
481 (internal-ange-ftp-mode vi-state viper-comint-mode-modifier-map
)
482 (dired-mode emacs-state viper-dired-modifier-map
)
483 (tar-mode emacs-state viper-slash-and-colon-map
)
484 (mh-folder-mode emacs-state viper-slash-and-colon-map
)
485 (gnus-group-mode emacs-state viper-gnus-modifier-map
)
486 (gnus-summary-mode emacs-state viper-gnus-modifier-map
)
487 (Info-mode emacs-state viper-slash-and-colon-map
)
488 (Buffer-menu-mode emacs-state viper-slash-and-colon-map
)
489 (erc-mode insert-state viper-comint-mode-modifier-map
)
490 (erc-mode vi-state viper-comint-mode-modifier-map
)
492 "List specifying how to modify the various major modes to enable some Viperisms.
493 The list has the structure: ((mode viper-state keymap) (mode viper-state
494 keymap) ...). If `mode' is on the list, the `kemap' will be made active (on
495 the minor-mode-map-alist) in the specified viper state.
496 If you change this list, have to restart Emacs for the change to take effect.
497 However, if you did the change through the customization widget, then Emacs
498 needs to be restarted only if you deleted a triple mode-state-keymap from the
499 list. No need to restart Emacs in case of insertion or modification of an
503 (choice (const emacs-state
)
505 (const insert-state
))
507 :set
'viper-apply-major-mode-modifiers
515 (defun toggle-viper-mode ()
516 "Toggle Viper on/off.
517 If Viper is enabled, turn it off. Otherwise, turn it on."
519 (if (eq viper-mode t
)
521 (setq viper-mode nil
)
526 "Turn on Viper emulation of Vi in Emacs. See Info node `(viper)Top'."
528 (if (not noninteractive
)
530 ;; if the user requested viper-mode explicitly
534 (load-library "viper"))
536 (if viper-first-time
; Important check. Prevents mix-up of startup
537 (progn ; and expert-level msgs when viper-mode recurses
538 (setq viper-first-time nil
)
539 (if (not viper-inhibit-startup-message
)
540 (save-window-excursion
541 (setq viper-inhibit-startup-message t
)
542 (delete-other-windows)
543 (switch-to-buffer "Viper Startup Message")
546 (substitute-command-keys
547 "Viper Is a Package for Emacs Rebels,
548 a VI Plan for Emacs Rescue, and a venomous VI PERil.
550 Incidentally, Viper emulates Vi under GNU Emacs 20 and XEmacs 20.
551 It supports all of what is good in Vi and Ex, while extending
552 and improving upon much of it.
554 1. Viper supports Vi at several levels. Level 1 is the closest to Vi,
555 level 5 provides the most flexibility to depart from many Vi conventions.
557 You will be asked to specify your user level in a following screen.
559 If you select user level 1 then the keys ^X, ^C, ^Z, and ^G will behave
560 as in VI, to smooth transition to Viper for the beginners. However, to
561 use Emacs productively, you are advised to reach user level 3 or higher.
563 At user level 2 or higher, ^X and ^C have Emacs, not Vi, bindings;
564 ^Z toggles Vi/Emacs states; ^G is Emacs' keyboard-quit (like ^C in Vi).
566 2. Vi exit functions (e.g., :wq, ZZ) work on INDIVIDUAL files -- they
567 do not cause Emacs to quit, except at user level 1 (for a novice).
569 4. Viper supports multiple undo: `u' will undo. Typing `.' will repeat
570 undo. Another `u' changes direction.
572 6. Emacs Meta key is `C-\\' (in all modes) or `\\ ESC' (in Vi command mode).
573 On a window system, the best way is to use the Meta-key on your keyboard.
574 7. Try \\[keyboard-quit] and \\[abort-recursive-edit] repeatedly,if
575 something funny happens. This would abort the current editing command.
577 For more information on Viper:
579 a. Type `:help' in Vi command mode
580 b. Print Viper manual, found in ./etc/viper.dvi
581 c. Print the Quick Reference, found in ./etc/viperCard.dvi
583 To submit a bug report or to contact the author, type :submitReport in Vi
584 command mode. To shoo Viper away and return to pure Emacs (horror!), type:
588 This startup message appears whenever you load Viper, unless you type `y' now."
590 (goto-char (point-min))
591 (if (y-or-n-p "Inhibit Viper startup message? ")
593 'viper-inhibit-startup-message
594 "Viper startup message inhibited"
595 viper-custom-file-name t
))
596 ;;(kill-buffer (current-buffer))
598 "The last message is in buffer `Viper Startup Message'")
601 (viper-set-expert-level 'dont-change-unless
)))
603 (or (memq major-mode viper-emacs-state-mode-list
) ; don't switch to Vi
604 (memq major-mode viper-insert-state-mode-list
) ; don't switch
605 (viper-change-state-to-vi))
608 (if (eq major-mode
'viper-mode
)
609 (setq major-mode
'fundamental-mode
))
613 ;; Apply a little heuristic to invoke vi state on major-modes
614 ;; that are not listed in viper-vi-state-mode-list
615 (defun this-major-mode-requires-vi-state (mode)
616 (cond ((memq mode viper-vi-state-mode-list
) t
)
617 ((memq mode viper-emacs-state-mode-list
) nil
)
618 ((memq mode viper-insert-state-mode-list
) nil
)
619 (t (and (eq (key-binding "a") 'self-insert-command
)
620 (eq (key-binding " ") 'self-insert-command
)))))
623 ;; This hook designed to enable Vi-style editing in comint-based modes."
624 (defun viper-comint-mode-hook ()
625 (set (make-local-variable 'require-final-newline
) nil
)
626 (setq viper-ex-style-editing nil
627 viper-ex-style-motion nil
)
628 (viper-change-state-to-insert))
631 ;; remove viper hooks from SYMBOL
632 (defun viper-remove-hooks (symbol)
633 (cond ((not (boundp symbol
)) nil
)
634 ((not (listp (eval symbol
))) nil
)
635 ((string-match "-hook" (symbol-name symbol
))
636 (remove-hook symbol
'viper-mode
)
637 (remove-hook symbol
'viper-change-state-to-emacs
)
638 (remove-hook symbol
'viper-change-state-to-insert
)
639 (remove-hook symbol
'viper-change-state-to-vi
)
640 (remove-hook symbol
'viper-minibuffer-post-command-hook
)
641 (remove-hook symbol
'viper-minibuffer-setup-sentinel
)
642 (remove-hook symbol
'viper-major-mode-change-sentinel
)
643 (remove-hook symbol
'set-viper-state-in-major-mode
)
644 (remove-hook symbol
'viper-post-command-sentinel
)
647 ;; Remove local value in all existing buffers
648 ;; This doesn't delocalize vars (which would have been desirable)
649 (defun viper-delocalize-var (symbol)
650 (mapcar (lambda (buf) (save-excursion
652 (kill-local-variable symbol
)))
656 (defun viper-go-away ()
658 This function tries to do as good a job as possible. However, it may undo some
659 user customization, unrelated to Viper. For instance, if the user advised
660 `read-file-name', `describe-key', and some others, then this advice will be
662 It also can't undo some Viper settings."
665 ;; restore non-viper vars
667 next-line-add-newlines
668 (viper-standard-value
669 'next-line-add-newlines viper-saved-non-viper-variables
)
670 require-final-newline
671 (viper-standard-value
672 'require-final-newline viper-saved-non-viper-variables
)
674 (viper-standard-value 'scroll-step viper-saved-non-viper-variables
)
675 mode-line-buffer-identification
676 (viper-standard-value
677 'mode-line-buffer-identification viper-saved-non-viper-variables
)
679 (delq 'viper-mode-string global-mode-string
))
681 (setq-default major-mode
682 (viper-standard-value 'default-major-mode
683 viper-saved-non-viper-variables
))
685 (if (featurep 'emacs
)
687 mark-even-if-inactive
688 (viper-standard-value
689 'mark-even-if-inactive viper-saved-non-viper-variables
)))
691 ;; Ideally, we would like to be able to de-localize local variables
693 (and (fboundp 'add-to-ordered-list
) (boundp 'emulation-mode-map-alists
))
694 (viper-delocalize-var 'minor-mode-map-alist
))
695 (viper-delocalize-var 'require-final-newline
)
696 (if (featurep 'xemacs
) (viper-delocalize-var 'bar-cursor
))
699 ;; deactivate all advices done by Viper.
700 (ad-deactivate-regexp "viper-")
702 (setq viper-mode nil
)
704 (when (and (fboundp 'add-to-ordered-list
) (boundp 'emulation-mode-map-alists
))
705 (setq emulation-mode-map-alists
706 (delq 'viper--intercept-key-maps
707 (delq 'viper--key-maps emulation-mode-map-alists
))
710 (viper-delocalize-var 'viper-vi-minibuffer-minor-mode
)
711 (viper-delocalize-var 'viper-insert-minibuffer-minor-mode
)
712 (viper-delocalize-var 'viper-vi-intercept-minor-mode
)
713 (viper-delocalize-var 'viper-insert-intercept-minor-mode
)
715 (viper-delocalize-var 'viper-vi-local-user-minor-mode
)
716 (viper-delocalize-var 'viper-vi-kbd-minor-mode
)
717 (viper-delocalize-var 'viper-vi-global-user-minor-mode
)
718 (viper-delocalize-var 'viper-vi-state-modifier-minor-mode
)
719 (viper-delocalize-var 'viper-vi-diehard-minor-mode
)
720 (viper-delocalize-var 'viper-vi-basic-minor-mode
)
722 (viper-delocalize-var 'viper-replace-minor-mode
)
724 (viper-delocalize-var 'viper-insert-local-user-minor-mode
)
725 (viper-delocalize-var 'viper-insert-kbd-minor-mode
)
726 (viper-delocalize-var 'viper-insert-global-user-minor-mode
)
727 (viper-delocalize-var 'viper-insert-state-modifier-minor-mode
)
728 (viper-delocalize-var 'viper-insert-diehard-minor-mode
)
729 (viper-delocalize-var 'viper-insert-basic-minor-mode
)
731 (viper-delocalize-var 'viper-emacs-intercept-minor-mode
)
732 (viper-delocalize-var 'viper-emacs-local-user-minor-mode
)
733 (viper-delocalize-var 'viper-emacs-kbd-minor-mode
)
734 (viper-delocalize-var 'viper-emacs-global-user-minor-mode
)
735 (viper-delocalize-var 'viper-emacs-state-modifier-minor-mode
)
737 (viper-delocalize-var 'viper-current-state
)
738 (viper-delocalize-var 'viper-mode-string
)
740 (setq-default viper-vi-minibuffer-minor-mode nil
741 viper-insert-minibuffer-minor-mode nil
742 viper-vi-intercept-minor-mode nil
743 viper-insert-intercept-minor-mode nil
745 viper-vi-local-user-minor-mode nil
746 viper-vi-kbd-minor-mode nil
747 viper-vi-global-user-minor-mode nil
748 viper-vi-state-modifier-minor-mode nil
749 viper-vi-diehard-minor-mode nil
750 viper-vi-basic-minor-mode nil
752 viper-replace-minor-mode nil
754 viper-insert-local-user-minor-mode nil
755 viper-insert-kbd-minor-mode nil
756 viper-insert-global-user-minor-mode nil
757 viper-insert-state-modifier-minor-mode nil
758 viper-insert-diehard-minor-mode nil
759 viper-insert-basic-minor-mode nil
761 viper-emacs-intercept-minor-mode nil
762 viper-emacs-local-user-minor-mode nil
763 viper-emacs-kbd-minor-mode nil
764 viper-emacs-global-user-minor-mode nil
765 viper-emacs-state-modifier-minor-mode nil
767 viper-current-state
'emacs-state
768 viper-mode-string viper-emacs-state-id
771 ;; remove all hooks set by viper
772 (mapatoms 'viper-remove-hooks
)
773 (remove-hook 'comint-mode-hook
'viper-comint-mode-hook
)
774 (remove-hook 'erc-mode-hook
'viper-comint-mode-hook
)
775 (remove-hook 'change-major-mode-hook
'viper-major-mode-change-sentinel
)
777 ;; unbind Viper mouse bindings
778 (viper-unbind-mouse-search-key)
779 (viper-unbind-mouse-insert-key)
780 ;; In emacs, we have to advice handle-switch-frame
781 ;; This advice is undone earlier, when all advices matchine "viper-" are
783 (if (featurep 'xemacs
)
784 (remove-hook 'mouse-leave-frame-hook
'viper-remember-current-frame
))
785 ) ; end viper-go-away
788 ;; list of buffers that just changed their major mode
789 ;; used in a hack that triggers vi command mode whenever needed
790 (defvar viper-new-major-mode-buffer-list nil
)
792 ;; set appropriate Viper state in buffers that changed major mode
793 (defun set-viper-state-in-major-mode ()
796 (if (viper-buffer-live-p buf
)
797 (with-current-buffer buf
798 (cond ((and (this-major-mode-requires-vi-state major-mode
)
799 (eq viper-current-state
'emacs-state
))
801 ((memq major-mode viper-emacs-state-mode-list
)
802 ;; not checking (eq viper-current-state 'emacs-state)
803 ;; because viper-current-state could have gotten it by
804 ;; default. We need viper-change-state-to-emacs here to have
805 ;; the keymaps take effect.
806 (viper-change-state-to-emacs))
807 ((and (memq major-mode viper-insert-state-mode-list
)
808 (not (eq viper-current-state
'insert-state
)))
809 (viper-change-state-to-insert))
810 )) ; with-current-buffer
812 viper-new-major-mode-buffer-list
)
813 ;; clear the list of bufs that changed major mode
814 (setq viper-new-major-mode-buffer-list nil
)
815 ;; change the global value of hook
816 (remove-hook 'viper-post-command-hooks
'set-viper-state-in-major-mode
))
818 ;; sets up post-command-hook to turn viper-mode, if the current mode is
820 (defun viper-major-mode-change-sentinel ()
822 (or (string-match "\*Minibuf-" (buffer-name))
823 (setq viper-new-major-mode-buffer-list
824 (cons (current-buffer) viper-new-major-mode-buffer-list
))))
825 ;; change the global value of hook
826 (add-hook 'viper-post-command-hooks
'set-viper-state-in-major-mode t
))
830 ;; This sets major mode hooks to make them come up in vi-state.
831 (defun viper-set-hooks ()
832 ;; It is of course a misnomer to call viper-mode a `major mode'.
833 ;; However, this has the effect that if the user didn't specify the
834 ;; default mode, new buffers that fall back on the default will come up
835 ;; in Fundamental Mode and Vi state.
836 ;; When viper-mode is executed in such a case, it will set the major mode
837 ;; back to fundamental-mode.
838 (if (eq (default-value 'major-mode
) 'fundamental-mode
)
839 (setq-default major-mode
'viper-mode
))
841 (add-hook 'change-major-mode-hook
'viper-major-mode-change-sentinel
)
842 (add-hook 'find-file-hooks
'set-viper-state-in-major-mode
)
844 ;; keep this because many modes we don't know about use this hook
845 (defvar text-mode-hook
)
846 (add-hook 'text-mode-hook
'viper-mode
)
848 (defvar emerge-startup-hook
)
849 (add-hook 'emerge-startup-hook
'viper-change-state-to-emacs
)
851 ;; Zap bad bindings in flyspell-mouse-map, which prevent ESC from working
852 ;; over misspelled words (due to the overlay keymaps)
853 (defvar flyspell-mode-hook
)
854 (add-hook 'flyspell-mode-hook
856 (define-key flyspell-mouse-map viper-ESC-key nil
)))
857 ;; if viper is started from .emacs, it might be impossible to get certain
858 ;; info about the display and windows until emacs initialization is complete
859 ;; So do it via the window-setup-hook
860 (add-hook 'window-setup-hook
862 (modify-frame-parameters
864 (list (cons 'viper-vi-state-cursor-color
865 (viper-get-cursor-color))))
866 (setq viper-vi-state-cursor-color
(viper-get-cursor-color))
869 ;; Tell vc-diff to put *vc* in Vi mode
871 (defadvice vc-diff
(after viper-vc-ad activate
)
872 "Force Vi state in VC diff buffer."
873 (viper-change-state-to-vi))
876 '(defadvice vc-diff
(after viper-vc-ad activate
)
877 "Force Vi state in VC diff buffer."
878 (viper-change-state-to-vi))))
882 '(defadvice emerge-quit
(after viper-emerge-advice activate
)
883 "Run `viper-change-state-to-vi' after quitting emerge."
884 (viper-change-state-to-vi)))
885 ;; In case Emerge was loaded before Viper.
886 (defadvice emerge-quit
(after viper-emerge-advice activate
)
887 "Run `viper-change-state-to-vi' after quitting emerge."
888 (viper-change-state-to-vi))
890 ;; passwd.el sets up its own buffer, which turns up in Vi mode,
891 ;; thus overriding the local map. We don't need Vi mode here.
894 '(defadvice read-passwd-1
(before viper-passwd-ad activate
)
895 "Switch to Emacs state while reading password."
896 (viper-change-state-to-emacs)))
898 (defadvice self-insert-command
(around viper-self-insert-ad activate
)
899 "Ignore all self-inserting keys in the vi-state."
900 (if (and (eq viper-current-state
'vi-state
)
901 (called-interactively-p 'interactive
))
906 (defadvice set-cursor-color
(after viper-set-cursor-color-ad activate
)
907 "Change cursor color in VI state."
908 (modify-frame-parameters
910 (list (cons 'viper-vi-state-cursor-color
(ad-get-arg 0))))
911 (setq viper-vi-state-cursor-color
(ad-get-arg 0))
914 (when (and (fboundp 'add-to-ordered-list
) (boundp 'emulation-mode-map-alists
))
915 ;; needs to be as early as possible
917 'emulation-mode-map-alists
'viper--intercept-key-maps
100)
918 ;; needs to be after cua-mode
919 (add-to-ordered-list 'emulation-mode-map-alists
'viper--key-maps
500)
922 ;; Emacs shell, ange-ftp, and comint-based modes
923 (add-hook 'comint-mode-hook
'viper-comint-mode-hook
) ; comint
924 (add-hook 'erc-mode-hook
'viper-comint-mode-hook
) ; ERC
926 (add-hook 'eshell-mode-hook
927 (lambda () (setq viper-auto-indent nil
)))
929 (viper-set-emacs-state-searchstyle-macros nil
'dired-mode
) ; dired
930 (viper-set-emacs-state-searchstyle-macros nil
'tar-mode
) ; tar
931 (viper-set-emacs-state-searchstyle-macros nil
'mh-folder-mode
) ; mhe
932 (viper-set-emacs-state-searchstyle-macros nil
'gnus-group-mode
) ; gnus
933 (viper-set-emacs-state-searchstyle-macros nil
'gnus-summary-mode
)
934 (viper-set-emacs-state-searchstyle-macros nil
'Info-mode
) ; info
935 (viper-set-emacs-state-searchstyle-macros nil
'Buffer-menu-mode
) ;buffer-menu
937 ;; Modify major modes according to viper-major-mode-modifier-list
938 (viper-apply-major-mode-modifiers)
941 ;; Put buf in Emacs state after edit.
944 '(defadvice rmail-cease-edit
(after viper-rmail-advice activate
)
945 "Switch to Emacs state when done editing message."
946 (viper-change-state-to-emacs)))
947 ;; In case RMAIL was loaded before Viper.
948 (defadvice rmail-cease-edit
(after viper-rmail-advice activate
)
949 "Switch to emacs state when done editing message."
950 (viper-change-state-to-emacs))
953 ;; Need to do it after loading iso-acc, or else this loading will wipe out
957 '(defadvice iso-accents-mode
(around viper-iso-accents-advice activate
)
958 "Set viper-automatic-iso-accents to iso-accents-mode."
959 (let ((arg (ad-get-arg 0)))
961 (setq viper-automatic-iso-accents
962 (if (eq viper-current-state
'vi-state
)
964 ;; if iso-accents-mode was called with positive arg, turn
966 (> (prefix-numeric-value arg
) 0)
967 ;; else: toggle viper-automatic-iso-accents
968 (not viper-automatic-iso-accents
))
969 ;; other states: accept what iso-accents-mode has done
971 ;; turn off ISO accents in vi-state
972 (if (eq viper-current-state
'vi-state
)
973 (viper-set-iso-accents-mode nil
))
974 (if (memq viper-current-state
'(vi-state insert-state replace-state
))
975 (message "Viper ISO accents mode: %s"
976 (if viper-automatic-iso-accents
"on" "off")))
979 ;; International input methods
980 (if (featurep 'emacs
)
981 (eval-after-load "mule-cmds"
983 (defadvice inactivate-input-method
(after viper-mule-advice activate
)
984 "Set viper-special-input-method to disable intl. input methods."
985 (viper-inactivate-input-method-action))
986 (defadvice activate-input-method
(after viper-mule-advice activate
)
987 "Set viper-special-input-method to enable intl. input methods."
988 (viper-activate-input-method-action))
990 ;; XEmacs Although these hooks exist in Emacs, they don't seem to be always
991 ;; called on input-method activation/deactivation, so we the above advise
992 ;; functions instead.
993 (eval-after-load "mule-cmds"
995 (add-hook 'input-method-activate-hook
996 'viper-activate-input-method-action t
)
997 (add-hook 'input-method-inactivate-hook
998 'viper-inactivate-input-method-action t
)))
1000 (eval-after-load "mule-cmds"
1001 '(defadvice toggle-input-method
(around viper-mule-advice activate
)
1002 "Adjust input-method toggling in vi-state."
1003 (if (and viper-special-input-method
(eq viper-current-state
'vi-state
))
1004 (viper-inactivate-input-method)
1010 ;; these are primarily advices and Vi-ish variable settings
1011 (defun viper-non-hook-settings ()
1013 ;;;; Viper changes the default mode-line-buffer-identification
1014 ;;(setq-default mode-line-buffer-identification '(" %b"))
1016 ;; setup emacs-supported vi-style feel
1017 (setq next-line-add-newlines nil
1018 require-final-newline t
)
1020 ;; don't bark when mark is inactive
1021 (if (featurep 'emacs
)
1022 (setq mark-even-if-inactive t
))
1024 (setq scroll-step
1)
1026 ;; Variable displaying the current Viper state in the mode line.
1027 (or (memq 'viper-mode-string global-mode-string
)
1028 (setq global-mode-string
1029 (append '("" viper-mode-string
) (cdr global-mode-string
))))
1031 (if (featurep 'xemacs
)
1033 (defadvice describe-key
(before viper-describe-key-ad protect activate
)
1034 "Force to read key via `viper-read-key-sequence'."
1035 (interactive (list (viper-read-key-sequence "Describe key: "))))
1037 (defadvice describe-key
(before viper-describe-key-ad protect activate
)
1038 "Force to read key via `viper-read-key-sequence'."
1039 (interactive (let (key)
1040 (setq key
(viper-read-key-sequence
1041 "Describe key (or click or menu item): "))
1043 (prefix-numeric-value current-prefix-arg
)
1044 ;; If KEY is a down-event, read also the
1045 ;; corresponding up-event.
1047 (let ((last-idx (1- (length key
))))
1048 (and (eventp (aref key last-idx
))
1049 (memq 'down
(event-modifiers
1050 (aref key last-idx
)))))
1051 (or (and (eventp (aref key
0))
1052 (memq 'down
(event-modifiers
1054 ;; For the C-down-mouse-2 popup menu,
1055 ;; there is no subsequent up-event
1057 (and (> (length key
) 1)
1058 (eventp (aref key
1))
1059 (memq 'down
(event-modifiers (aref key
1)))))
1061 ) ; (if (featurep 'xemacs)
1063 (if (featurep 'xemacs
)
1065 (defadvice describe-key-briefly
1066 (before viper-describe-key-briefly-ad protect activate
)
1067 "Force to read key via `viper-read-key-sequence'."
1068 (interactive (list (viper-read-key-sequence "Describe key briefly: "))))
1070 (defadvice describe-key-briefly
1071 (before viper-describe-key-briefly-ad protect activate
)
1072 "Force to read key via `viper-read-key-sequence'."
1073 (interactive (let (key)
1074 (setq key
(viper-read-key-sequence
1075 "Describe key (or click or menu item): "))
1076 ;; If KEY is a down-event, read and discard the
1077 ;; corresponding up-event.
1079 (let ((last-idx (1- (length key
))))
1080 (and (eventp (aref key last-idx
))
1081 (memq 'down
(event-modifiers (aref key last-idx
)))))
1084 (if current-prefix-arg
1085 (prefix-numeric-value current-prefix-arg
))
1087 ) ; (if (featurep 'xemacs)
1089 (defadvice find-file
(before viper-add-suffix-advice activate
)
1090 "Use `read-file-name' for reading arguments."
1091 (interactive (cons (read-file-name "Find file: " nil default-directory
)
1092 ;; XEmacs: if Mule & prefix arg, ask for coding system
1093 (cond ((and (featurep 'xemacs
) (featurep 'mule
))
1095 (and current-prefix-arg
1096 (read-coding-system "Coding-system: "))))
1097 ;; Emacs: do wildcards
1098 ((and (featurep 'emacs
) (boundp 'find-file-wildcards
))
1099 (list find-file-wildcards
))))
1102 (defadvice find-file-other-window
(before viper-add-suffix-advice activate
)
1103 "Use `read-file-name' for reading arguments."
1104 (interactive (cons (read-file-name "Find file in other window: "
1105 nil default-directory
)
1106 ;; XEmacs: if Mule & prefix arg, ask for coding system
1107 (cond ((and (featurep 'xemacs
) (featurep 'mule
))
1109 (and current-prefix-arg
1110 (read-coding-system "Coding-system: "))))
1111 ;; Emacs: do wildcards
1112 ((and (featurep 'emacs
) (boundp 'find-file-wildcards
))
1113 (list find-file-wildcards
))))
1117 (defadvice find-file-other-frame
(before viper-add-suffix-advice activate
)
1118 "Use `read-file-name' for reading arguments."
1119 (interactive (cons (read-file-name "Find file in other frame: "
1120 nil default-directory
)
1121 ;; XEmacs: if Mule & prefix arg, ask for coding system
1122 (cond ((and (featurep 'xemacs
) (featurep 'mule
))
1124 (and current-prefix-arg
1125 (read-coding-system "Coding-system: "))))
1126 ;; Emacs: do wildcards
1127 ((and (featurep 'emacs
) (boundp 'find-file-wildcards
))
1128 (list find-file-wildcards
))))
1132 (defadvice read-file-name
(around viper-suffix-advice activate
)
1133 "Tell `exit-minibuffer' to run `viper-file-add-suffix' as a hook."
1134 (let ((viper-minibuffer-exit-hook
1135 (append viper-minibuffer-exit-hook
1136 '(viper-minibuffer-trim-tail viper-file-add-suffix
))))
1139 (defadvice start-kbd-macro
(after viper-kbd-advice activate
)
1140 "Remove Viper's intercepting bindings for C-x ).
1141 This may be needed if the previous `:map' command terminated abnormally."
1142 (define-key viper-vi-intercept-map
"\C-x)" nil
)
1143 (define-key viper-insert-intercept-map
"\C-x)" nil
)
1144 (define-key viper-emacs-intercept-map
"\C-x)" nil
))
1146 (defadvice add-minor-mode
(after
1147 viper-advice-add-minor-mode
1148 (toggle name
&optional keymap after toggle-fun
)
1150 "Run viper-normalize-minor-mode-map-alist after adding a minor mode."
1151 (viper-normalize-minor-mode-map-alist)
1153 (and (fboundp 'add-to-ordered-list
) (boundp 'emulation-mode-map-alists
))
1154 (setq-default minor-mode-map-alist minor-mode-map-alist
)))
1156 ;; catch frame switching event
1157 (if (viper-window-display-p)
1158 (if (featurep 'xemacs
)
1159 (add-hook 'mouse-leave-frame-hook
1160 'viper-remember-current-frame
)
1161 (defadvice handle-switch-frame
(before viper-frame-advice activate
)
1162 "Remember the selected frame before the switch-frame event."
1163 (viper-remember-current-frame (selected-frame)))) )
1165 ) ; end viper-non-hook-settings
1169 ;; Ask only if this-command/last-command are nil, i.e., when loading
1170 (cond ((and (eq viper-mode
'ask
) (null this-command
) (null last-command
))
1171 (save-window-excursion
1172 (with-output-to-temp-buffer " *viper-info*"
1174 You have loaded Viper, and are about to Viperize your Emacs!
1176 Viper is a Package for Emacs Rebels and a venomous VI PERil,
1178 It's time to decide: to Viperize or not to Viperize...
1180 If you wish to Viperize AND make this your way of life, please put
1185 in your .emacs file (preferably, close to the top).
1186 These two lines must come in the order given.
1189 **** The startup file name has been changed from .vip to .viper
1190 **** All vip-* style names have been converted to viper-* style."))
1191 (if (y-or-n-p "Viperize? ")
1193 (setq viper-mode nil
))
1195 (kill-buffer " *viper-info*")))
1197 ;; If viper-mode is t, then just continue. Viper will kick in.
1199 ;; Otherwise, it was asking Viper was not loaded through .emacs
1200 ;; In this case, it was either through M-x viper-mode or via something
1201 ;; else, like the custom widget. If Viper was loaded through
1202 ;; M-x viper-mode, then viper will kick in anyway.
1203 (t (setq viper-mode nil
)))
1205 (defun viper-load-custom-file ()
1206 (if (and (file-exists-p viper-custom-file-name
)
1207 (not noninteractive
))
1208 (load viper-custom-file-name
)))
1215 ;; save non-viper vars that Viper might change
1216 (if (null viper-saved-non-viper-variables
)
1217 (setq viper-saved-non-viper-variables
1219 (cons 'default-major-mode
(list (default-value 'major-mode
)))
1220 (cons 'next-line-add-newlines
(list next-line-add-newlines
))
1221 (cons 'require-final-newline
(list require-final-newline
))
1222 (cons 'scroll-step
(list scroll-step
))
1223 (cons 'mode-line-buffer-identification
1224 (list (default-value 'mode-line-buffer-identification
)))
1225 (cons 'global-mode-string
(list global-mode-string
))
1226 (if (featurep 'emacs
)
1227 (cons 'mark-even-if-inactive
(list mark-even-if-inactive
)))
1231 ;; Set some useful macros, advices
1232 ;; These must be BEFORE ~/.viper is loaded,
1233 ;; so the user can unrecord them in ~/.viper.
1236 ;; set advices and some variables that give emacs Vi look.
1237 (viper-non-hook-settings)
1239 ;; repeat the 2nd previous command without rotating the command history
1240 (viper-record-kbd-macro
1241 (vector viper-repeat-from-history-key
'\
1) 'vi-state
1242 [(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
)
1243 ;; repeat the 3d previous command without rotating the command history
1244 (viper-record-kbd-macro
1245 (vector viper-repeat-from-history-key
'\
2) 'vi-state
1246 [(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
)
1248 ;; set macros for toggling case sensitivity and regexp search
1249 (viper-set-searchstyle-toggling-macros nil
)
1250 ;; Make %%% toggle parsing comments for matching parentheses
1251 (viper-set-parsing-style-toggling-macro nil
)
1253 ;; ~/.viper is loaded if exists
1254 (viper-load-custom-file)
1256 ;; should be after loading custom file to avoid the pesky msg that
1257 ;; mouse-search/insert keys are already bound
1258 (viper-bind-mouse-search-key)
1259 (viper-bind-mouse-insert-key)
1264 ;; Applying Viper customization -- runs after (load .viper)
1266 ;; Save user settings or Viper defaults for vars controlled by
1267 ;; viper-expert-level
1268 (if (null viper-saved-user-settings
)
1269 (setq viper-saved-user-settings
1270 (list (cons 'viper-want-ctl-h-help
(list viper-want-ctl-h-help
))
1271 (cons 'viper-always
(list viper-always
))
1272 (cons 'viper-no-multiple-ESC
(list viper-no-multiple-ESC
))
1273 (cons 'viper-ex-style-motion
(list viper-ex-style-motion
))
1274 (cons 'viper-ex-style-editing
1275 (list viper-ex-style-editing
))
1276 (cons 'viper-want-emacs-keys-in-vi
1277 (list viper-want-emacs-keys-in-vi
))
1278 (cons 'viper-electric-mode
(list viper-electric-mode
))
1279 (cons 'viper-want-emacs-keys-in-insert
1280 (list viper-want-emacs-keys-in-insert
))
1281 (cons 'viper-re-search
(list viper-re-search
)))))
1286 (viper-set-minibuffer-style)
1287 (if viper-buffer-search-char
1288 (viper-buffer-search-enable))
1289 (viper-update-syntax-classes 'set-default
)
1293 ;;; Familiarize Viper with some minor modes that have their own keymaps
1296 (viper-harness-minor-mode "compile")
1297 (viper-harness-minor-mode "outline")
1298 (viper-harness-minor-mode "allout")
1299 (viper-harness-minor-mode "xref")
1300 (viper-harness-minor-mode "lmenu")
1301 (viper-harness-minor-mode "vc")
1302 (viper-harness-minor-mode "ltx-math") ; LaTeX-math-mode in AUC-TeX, which
1303 (viper-harness-minor-mode "latex") ; sits in one of these two files
1304 (viper-harness-minor-mode "cyrillic")
1305 (viper-harness-minor-mode "russian")
1306 (viper-harness-minor-mode "view-less")
1307 (viper-harness-minor-mode "view")
1308 (viper-harness-minor-mode "reftex")
1309 (viper-harness-minor-mode "flyspell")
1313 ;; Intercept maps could go in viper-keym.el
1314 ;; We keep them here in case someone redefines them in ~/.viper
1316 (define-key viper-vi-intercept-map viper-ESC-key
'viper-intercept-ESC-key
)
1317 (define-key viper-insert-intercept-map viper-ESC-key
'viper-intercept-ESC-key
)
1319 ;; This is taken care of by viper-insert-global-user-map.
1320 ;;(define-key viper-replace-map viper-ESC-key 'viper-intercept-ESC-key)
1323 ;; The default viper-toggle-key is \C-z; for the novice, it suspends or
1325 (define-key viper-vi-intercept-map viper-toggle-key
'viper-toggle-key-action
)
1327 viper-emacs-intercept-map viper-toggle-key
'viper-change-state-to-vi
)
1329 ;;; Removed to avoid bad interaction with cua-mode.
1330 ;;; Escape from Emacs and Insert modes to Vi for one command
1331 ;;(define-key viper-emacs-intercept-map "\C-c\\" 'viper-escape-to-vi)
1332 ;;(define-key viper-insert-intercept-map "\C-c\\" 'viper-escape-to-vi)
1335 (setq-default viper-emacs-intercept-minor-mode t
1336 viper-emacs-local-user-minor-mode t
1337 viper-emacs-global-user-minor-mode t
1338 viper-emacs-kbd-minor-mode t
1339 viper-emacs-state-modifier-minor-mode t
))
1340 (if (and viper-mode
(eq viper-current-state
'emacs-state
))
1341 (setq viper-emacs-intercept-minor-mode t
1342 viper-emacs-local-user-minor-mode t
1343 viper-emacs-global-user-minor-mode t
1344 viper-emacs-kbd-minor-mode t
1345 viper-emacs-state-modifier-minor-mode t
))
1350 (and (< viper-expert-level
5) (> viper-expert-level
0))))
1353 ;; Let all minor modes take effect after loading.
1354 ;; This may not be enough, so we also set default minor-mode-alist.
1355 ;; Without setting the default, new buffers that come up in emacs mode have
1356 ;; minor-mode-map-alist = nil, unless we call viper-change-state-*
1357 (if (and viper-mode
(eq viper-current-state
'emacs-state
))
1359 (viper-change-state-to-emacs)
1361 (and (fboundp 'add-to-ordered-list
)
1362 (boundp 'emulation-mode-map-alists
))
1363 (setq-default minor-mode-map-alist minor-mode-map-alist
))
1366 (if (and viper-mode
(this-major-mode-requires-vi-state major-mode
))
1370 (setq initial-major-mode
1372 (funcall (quote ,initial-major-mode
))
1373 (set-viper-state-in-major-mode))
1378 (run-hooks 'viper-load-hook
) ; the last chance to change something
1384 ;; eval: (put 'viper-deflocalvar 'lisp-indent-hook 'defun)
1387 ;; arch-tag: 5f3e844c-c4e6-4bbd-9b73-63bdc14e7d79
1388 ;;; viper.el ends here