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9b70a748 MK |
1 | ;;; viper-init.el --- some common definitions for Viper |
2 | ||
5fd6d89f | 3 | ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
8b72699e | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
9b70a748 | 5 | |
50a07e18 | 6 | ;; Author: Michael Kifer <kifer@cs.stonybrook.edu> |
02f34c70 | 7 | |
9b70a748 MK |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
e0085d62 | 12 | ;; the Free Software Foundation; either version 3, or (at your option) |
9b70a748 MK |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
23 | ;; Boston, MA 02110-1301, USA. | |
9b70a748 | 24 | |
60370d40 PJ |
25 | ;;; Commentary: |
26 | ||
27 | ;;; Code: | |
9b70a748 | 28 | |
9b70a748 MK |
29 | ;; compiler pacifier |
30 | (defvar mark-even-if-inactive) | |
34317da2 MK |
31 | (defvar quail-mode) |
32 | (defvar iso-accents-mode) | |
33 | (defvar viper-current-state) | |
726e270f | 34 | (defvar viper-version) |
1e70790f | 35 | (defvar viper-expert-level) |
2eb4bdca MK |
36 | (defvar current-input-method) |
37 | (defvar default-input-method) | |
38 | (defvar describe-current-input-method-function) | |
50a07e18 MK |
39 | (defvar bar-cursor) |
40 | (defvar default-cursor-type) | |
41 | (defvar cursor-type) | |
9b70a748 MK |
42 | ;; end pacifier |
43 | ||
726e270f MK |
44 | |
45 | ;; Viper version | |
46 | (defun viper-version () | |
47 | (interactive) | |
f1097063 | 48 | (message "Viper version is %s" viper-version)) |
726e270f | 49 | |
9b70a748 | 50 | ;; Tell whether we are running as a window application or on a TTY |
50a07e18 MK |
51 | |
52 | ;; This is used to avoid compilation warnings. When emacs/xemacs forms can | |
53 | ;; generate compile time warnings, we use this macro. | |
54 | ;; In this case, the macro will expand into the form that is appropriate to the | |
55 | ;; compiler at hand. | |
56 | ;; Suggested by rms. | |
57 | (defmacro viper-cond-compile-for-xemacs-or-emacs (xemacs-form emacs-form) | |
f8246027 | 58 | (if (featurep 'xemacs) |
50a07e18 MK |
59 | xemacs-form emacs-form)) |
60 | ||
61 | ||
8626cfa2 | 62 | (defsubst viper-device-type () |
50a07e18 MK |
63 | (viper-cond-compile-for-xemacs-or-emacs |
64 | (device-type (selected-device)) | |
65 | window-system | |
66 | )) | |
67 | ||
3f9526a3 MK |
68 | (defun viper-color-display-p () |
69 | (condition-case nil | |
70 | (viper-cond-compile-for-xemacs-or-emacs | |
71 | (eq (device-class (selected-device)) 'color) ; xemacs form | |
72 | (if (fboundp 'display-color-p) ; emacs form | |
73 | (display-color-p) | |
74 | (x-display-color-p)) | |
75 | ) | |
76 | (error nil))) | |
77 | ||
9b70a748 | 78 | ;; in XEmacs: device-type is tty on tty and stream in batch. |
8626cfa2 MK |
79 | (defun viper-window-display-p () |
80 | (and (viper-device-type) (not (memq (viper-device-type) '(tty stream pc))))) | |
9b70a748 | 81 | |
8e41a31c MK |
82 | (defcustom viper-ms-style-os-p (memq system-type |
83 | '(ms-dos windows-nt windows-95)) | |
1e70790f MK |
84 | "Tells if Emacs is running under an MS-style OS: ms-dos, windows-nt, W95." |
85 | :type 'boolean | |
86 | :tag "Is it Microsoft-made OS?" | |
8e41a31c | 87 | :group 'viper-misc) |
8626cfa2 | 88 | (defcustom viper-vms-os-p (memq system-type '(vax-vms axp-vms)) |
1e70790f MK |
89 | "Tells if Emacs is running under VMS." |
90 | :type 'boolean | |
91 | :tag "Is it VMS?" | |
8e41a31c | 92 | :group 'viper-misc) |
1e70790f | 93 | |
ac64a728 MK |
94 | (defcustom viper-suppress-input-method-change-message nil |
95 | "If t, the message notifying about changes in the input method is not displayed. | |
96 | Normally, a message is displayed each time on enters the vi, insert or replace | |
97 | state." | |
98 | :type 'boolean | |
99 | :group 'viper-misc) | |
100 | ||
8626cfa2 | 101 | (defcustom viper-force-faces nil |
9b70a748 | 102 | "If t, Viper will think that it is running on a display that supports faces. |
1e70790f MK |
103 | This is provided as a temporary relief for users of graphics-capable terminals |
104 | that Viper doesn't know about. | |
105 | In all likelihood, you don't need to bother with this setting." | |
106 | :type 'boolean | |
8e41a31c | 107 | :group 'viper-highlighting) |
9b70a748 | 108 | |
8626cfa2 MK |
109 | (defun viper-has-face-support-p () |
110 | (cond ((viper-window-display-p)) | |
111 | (viper-force-faces) | |
3f9526a3 | 112 | ((viper-color-display-p)) |
e83d1fe8 DN |
113 | ((featurep 'emacs) (memq (viper-device-type) '(pc))) |
114 | ((featurep 'xemacs) (memq (viper-device-type) '(tty pc))))) | |
9b70a748 MK |
115 | |
116 | \f | |
117 | ;;; Macros | |
118 | ||
8626cfa2 | 119 | (defmacro viper-deflocalvar (var default-value &optional documentation) |
f1097063 SS |
120 | `(progn |
121 | (defvar ,var ,default-value | |
122 | ,(format "%s\n\(buffer local\)" documentation)) | |
123 | (make-variable-buffer-local ',var))) | |
9b70a748 | 124 | |
34317da2 MK |
125 | ;; (viper-loop COUNT BODY) Execute BODY COUNT times. |
126 | (defmacro viper-loop (count &rest body) | |
f1097063 SS |
127 | `(let ((count ,count)) |
128 | (while (> count 0) | |
129 | ,@body | |
130 | (setq count (1- count))))) | |
9b70a748 | 131 | |
8626cfa2 | 132 | (defmacro viper-buffer-live-p (buf) |
f1097063 SS |
133 | `(and ,buf (get-buffer ,buf) (buffer-name (get-buffer ,buf)))) |
134 | ||
9b70a748 | 135 | ;; return buffer-specific macro definition, given a full macro definition |
8626cfa2 | 136 | (defmacro viper-kbd-buf-alist (macro-elt) |
f1097063 | 137 | `(nth 1 ,macro-elt)) |
9b70a748 | 138 | ;; get a pair: (curr-buffer . macro-definition) |
8626cfa2 | 139 | (defmacro viper-kbd-buf-pair (macro-elt) |
f1097063 | 140 | `(assoc (buffer-name) (viper-kbd-buf-alist ,macro-elt))) |
9b70a748 | 141 | ;; get macro definition for current buffer |
8626cfa2 | 142 | (defmacro viper-kbd-buf-definition (macro-elt) |
f1097063 SS |
143 | `(cdr (viper-kbd-buf-pair ,macro-elt))) |
144 | ||
9b70a748 | 145 | ;; return mode-specific macro definitions, given a full macro definition |
8626cfa2 | 146 | (defmacro viper-kbd-mode-alist (macro-elt) |
f1097063 | 147 | `(nth 2 ,macro-elt)) |
9b70a748 | 148 | ;; get a pair: (major-mode . macro-definition) |
8626cfa2 | 149 | (defmacro viper-kbd-mode-pair (macro-elt) |
f1097063 | 150 | `(assoc major-mode (viper-kbd-mode-alist ,macro-elt))) |
9b70a748 | 151 | ;; get macro definition for the current major mode |
8626cfa2 | 152 | (defmacro viper-kbd-mode-definition (macro-elt) |
f1097063 SS |
153 | `(cdr (viper-kbd-mode-pair ,macro-elt))) |
154 | ||
9b70a748 | 155 | ;; return global macro definition, given a full macro definition |
8626cfa2 | 156 | (defmacro viper-kbd-global-pair (macro-elt) |
f1097063 | 157 | `(nth 3 ,macro-elt)) |
9b70a748 | 158 | ;; get global macro definition from an elt of macro-alist |
8626cfa2 | 159 | (defmacro viper-kbd-global-definition (macro-elt) |
f1097063 SS |
160 | `(cdr (viper-kbd-global-pair ,macro-elt))) |
161 | ||
9b70a748 | 162 | ;; last elt of a sequence |
8626cfa2 | 163 | (defsubst viper-seq-last-elt (seq) |
9b70a748 | 164 | (elt seq (1- (length seq)))) |
34317da2 MK |
165 | |
166 | (defsubst viper-string-to-list (string) | |
167 | (append (vconcat string) nil)) | |
168 | ||
169 | (defsubst viper-charlist-to-string (list) | |
170 | (mapconcat 'char-to-string list "")) | |
171 | ||
172 | ;; like char-after/before, but saves typing | |
173 | (defun viper-char-at-pos (direction &optional offset) | |
174 | (or (integerp offset) (setq offset 0)) | |
175 | (if (eq direction 'forward) | |
176 | (char-after (+ (point) offset)) | |
177 | (char-before (- (point) offset)))) | |
f1097063 | 178 | |
9b70a748 | 179 | \f |
8626cfa2 MK |
180 | (defvar viper-minibuffer-overlay-priority 300) |
181 | (defvar viper-replace-overlay-priority 400) | |
182 | (defvar viper-search-overlay-priority 500) | |
f1097063 | 183 | |
9b70a748 MK |
184 | \f |
185 | ;;; Viper minor modes | |
186 | ||
9b70a748 | 187 | ;; Mode for vital things like \e, C-z. |
8626cfa2 | 188 | (viper-deflocalvar viper-vi-intercept-minor-mode nil) |
9b70a748 | 189 | |
8626cfa2 | 190 | (viper-deflocalvar viper-vi-basic-minor-mode nil |
9b70a748 | 191 | "Viper's minor mode for Vi bindings.") |
f1097063 | 192 | |
8626cfa2 | 193 | (viper-deflocalvar viper-vi-local-user-minor-mode nil |
9b70a748 MK |
194 | "Auxiliary minor mode for user-defined local bindings in Vi state.") |
195 | ||
8626cfa2 | 196 | (viper-deflocalvar viper-vi-global-user-minor-mode nil |
9b70a748 MK |
197 | "Auxiliary minor mode for user-defined global bindings in Vi state.") |
198 | ||
8626cfa2 | 199 | (viper-deflocalvar viper-vi-state-modifier-minor-mode nil |
9b70a748 MK |
200 | "Minor mode used to make major-mode-specific modification to Vi state.") |
201 | ||
8626cfa2 | 202 | (viper-deflocalvar viper-vi-diehard-minor-mode nil |
9b70a748 MK |
203 | "This minor mode is in effect when the user wants Viper to be Vi.") |
204 | ||
8626cfa2 | 205 | (viper-deflocalvar viper-vi-kbd-minor-mode nil |
9b70a748 MK |
206 | "Minor mode for Ex command macros in Vi state. |
207 | The corresponding keymap stores key bindings of Vi macros defined with | |
208 | the Ex command :map.") | |
209 | ||
210 | ;; Mode for vital things like \e, C-z. | |
8626cfa2 | 211 | (viper-deflocalvar viper-insert-intercept-minor-mode nil) |
9b70a748 | 212 | |
8626cfa2 | 213 | (viper-deflocalvar viper-insert-basic-minor-mode nil |
9b70a748 MK |
214 | "Viper's minor mode for bindings in Insert mode.") |
215 | ||
8626cfa2 | 216 | (viper-deflocalvar viper-insert-local-user-minor-mode nil |
9b70a748 MK |
217 | "Auxiliary minor mode for buffer-local user-defined bindings in Insert state. |
218 | This is a way to overshadow normal Insert mode bindings locally to certain | |
219 | designated buffers.") | |
220 | ||
8626cfa2 | 221 | (viper-deflocalvar viper-insert-global-user-minor-mode nil |
9b70a748 MK |
222 | "Auxiliary minor mode for global user-defined bindings in Insert state.") |
223 | ||
8626cfa2 | 224 | (viper-deflocalvar viper-insert-state-modifier-minor-mode nil |
9b70a748 MK |
225 | "Minor mode used to make major-mode-specific modification to Insert state.") |
226 | ||
8626cfa2 | 227 | (viper-deflocalvar viper-insert-diehard-minor-mode nil |
9b70a748 MK |
228 | "Minor mode that simulates Vi very closely. |
229 | Not recommened, except for the novice user.") | |
230 | ||
8626cfa2 | 231 | (viper-deflocalvar viper-insert-kbd-minor-mode nil |
9b70a748 MK |
232 | "Minor mode for Ex command macros Insert state. |
233 | The corresponding keymap stores key bindings of Vi macros defined with | |
234 | the Ex command :map!.") | |
235 | ||
8626cfa2 | 236 | (viper-deflocalvar viper-replace-minor-mode nil |
9b70a748 MK |
237 | "Minor mode in effect in replace state (cw, C, and the like commands).") |
238 | ||
328b4b70 | 239 | ;; Mode for vital things like \C-z and \C-x) This is set to t, when viper-mode |
3af0304a MK |
240 | ;; is invoked. So, any new buffer will have C-z defined as switch to Vi, |
241 | ;; unless we switched states in this buffer | |
328b4b70 | 242 | (viper-deflocalvar viper-emacs-intercept-minor-mode nil) |
f1097063 | 243 | |
328b4b70 | 244 | (viper-deflocalvar viper-emacs-local-user-minor-mode nil |
9b70a748 MK |
245 | "Minor mode for local user bindings effective in Emacs state. |
246 | Users can use it to override Emacs bindings when Viper is in its Emacs | |
f1097063 SS |
247 | state.") |
248 | ||
328b4b70 | 249 | (viper-deflocalvar viper-emacs-global-user-minor-mode nil |
9b70a748 MK |
250 | "Minor mode for global user bindings in effect in Emacs state. |
251 | Users can use it to override Emacs bindings when Viper is in its Emacs | |
f1097063 | 252 | state.") |
9b70a748 | 253 | |
328b4b70 | 254 | (viper-deflocalvar viper-emacs-kbd-minor-mode nil |
9b70a748 MK |
255 | "Minor mode for Vi style macros in Emacs state. |
256 | The corresponding keymap stores key bindings of Vi macros defined with | |
3af0304a | 257 | `viper-record-kbd-macro' command. There is no Ex-level command to do this |
9b70a748 MK |
258 | interactively.") |
259 | ||
328b4b70 | 260 | (viper-deflocalvar viper-emacs-state-modifier-minor-mode nil |
9b70a748 MK |
261 | "Minor mode used to make major-mode-specific modification to Emacs state. |
262 | For instance, a Vi purist may want to bind `dd' in Dired mode to a function | |
263 | that deletes a file.") | |
264 | ||
8626cfa2 | 265 | (viper-deflocalvar viper-vi-minibuffer-minor-mode nil |
9b70a748 MK |
266 | "Minor mode that forces Vi-style when the Minibuffer is in Vi state.") |
267 | ||
8626cfa2 | 268 | (viper-deflocalvar viper-insert-minibuffer-minor-mode nil |
9b70a748 | 269 | "Minor mode that forces Vi-style when the Minibuffer is in Insert state.") |
f1097063 | 270 | |
9b70a748 MK |
271 | \f |
272 | ||
273 | ;; Some common error messages | |
274 | ||
8626cfa2 MK |
275 | (defconst viper-SpuriousText "Spurious text after command" "") |
276 | (defconst viper-BadExCommand "Not an editor command" "") | |
277 | (defconst viper-InvalidCommandArgument "Invalid command argument" "") | |
278 | (defconst viper-NoPrevSearch "No previous search string" "") | |
279 | (defconst viper-EmptyRegister "`%c': Nothing in this register" "") | |
280 | (defconst viper-InvalidRegister "`%c': Invalid register" "") | |
281 | (defconst viper-EmptyTextmarker "`%c': Text marker doesn't point anywhere" "") | |
282 | (defconst viper-InvalidTextmarker "`%c': Invalid text marker" "") | |
283 | (defconst viper-InvalidViCommand "Invalid command" "") | |
284 | (defconst viper-BadAddress "Ill-formed address" "") | |
285 | (defconst viper-FirstAddrExceedsSecond "First address exceeds second" "") | |
286 | (defconst viper-NoFileSpecified "No file specified" "") | |
9b70a748 | 287 | |
f1097063 | 288 | ;; Is t until viper-mode executes for the very first time. |
9b70a748 | 289 | ;; Prevents recursive descend into startup messages. |
8626cfa2 | 290 | (defvar viper-first-time t) |
9b70a748 | 291 | |
8626cfa2 | 292 | (defvar viper-expert-level (if (boundp 'viper-expert-level) viper-expert-level 0) |
9b70a748 | 293 | "User's expert level. |
8626cfa2 MK |
294 | The minor mode viper-vi-diehard-minor-mode is in effect when |
295 | viper-expert-level is 1 or 2 or when viper-want-emacs-keys-in-vi is t. | |
296 | The minor mode viper-insert-diehard-minor-mode is in effect when | |
297 | viper-expert-level is 1 or 2 or if viper-want-emacs-keys-in-insert is t. | |
1e70790f | 298 | Use `M-x viper-set-expert-level' to change this.") |
9b70a748 | 299 | |
3af0304a | 300 | ;; Max expert level supported by Viper. This is NOT a user option. |
9b70a748 | 301 | ;; It is here to make it hard for the user from resetting it. |
1e70790f | 302 | (defconst viper-max-expert-level 5) |
9b70a748 | 303 | |
9b70a748 | 304 | |
34317da2 MK |
305 | ;;; ISO characters and MULE |
306 | ||
307 | ;; If non-nil, ISO accents will be turned on in insert/replace emacs states and | |
308 | ;; turned off in vi-state. For some users, this behavior may be too | |
3af0304a | 309 | ;; primitive. In this case, use insert/emacs/vi state hooks. |
8626cfa2 | 310 | (viper-deflocalvar viper-automatic-iso-accents nil "") |
3af0304a | 311 | ;; Set iso-accents-mode to ARG. Check if it is bound first |
34317da2 MK |
312 | (defsubst viper-set-iso-accents-mode (arg) |
313 | (if (boundp 'iso-accents-mode) | |
314 | (setq iso-accents-mode arg))) | |
f1097063 | 315 | |
34317da2 MK |
316 | ;; Internal flag used to control when viper mule hooks are run. |
317 | ;; Don't change this! | |
318 | (defvar viper-mule-hook-flag t) | |
3af0304a | 319 | ;; If non-nil, the default intl. input method is turned on. |
34317da2 | 320 | (viper-deflocalvar viper-special-input-method nil "") |
f1097063 | 321 | |
34317da2 MK |
322 | ;; viper hook to run on input-method activation |
323 | (defun viper-activate-input-method-action () | |
324 | (if (null viper-mule-hook-flag) | |
325 | () | |
326 | (setq viper-special-input-method t) | |
327 | ;; turn off special input methods in vi-state | |
328 | (if (eq viper-current-state 'vi-state) | |
329 | (viper-set-input-method nil)) | |
ac64a728 MK |
330 | (if (and (memq viper-current-state '(vi-state insert-state replace-state)) |
331 | (not viper-suppress-input-method-change-message)) | |
34317da2 MK |
332 | (message "Viper special input method%s: on" |
333 | (if (or current-input-method default-input-method) | |
f1097063 | 334 | (format " %S" |
34317da2 MK |
335 | (or current-input-method default-input-method)) |
336 | ""))) | |
337 | )) | |
2eb4bdca | 338 | |
34317da2 MK |
339 | ;; viper hook to run on input-method deactivation |
340 | (defun viper-inactivate-input-method-action () | |
341 | (if (null viper-mule-hook-flag) | |
342 | () | |
343 | (setq viper-special-input-method nil) | |
ac64a728 MK |
344 | (if (and (memq viper-current-state '(vi-state insert-state replace-state)) |
345 | (not viper-suppress-input-method-change-message)) | |
34317da2 MK |
346 | (message "Viper special input method%s: off" |
347 | (if (or current-input-method default-input-method) | |
348 | (format " %S" | |
349 | (or current-input-method default-input-method)) | |
350 | ""))))) | |
351 | ||
352 | (defun viper-inactivate-input-method () | |
e83d1fe8 | 353 | (cond ((and (featurep 'emacs) (fboundp 'inactivate-input-method)) |
34317da2 | 354 | (inactivate-input-method)) |
e83d1fe8 | 355 | ((and (featurep 'xemacs) (boundp 'current-input-method)) |
34317da2 | 356 | ;; XEmacs had broken quil-mode for some time, so we are working around |
f1097063 | 357 | ;; it here |
34317da2 MK |
358 | (setq quail-mode nil) |
359 | (if (featurep 'quail) | |
360 | (quail-delete-overlays)) | |
361 | (setq describe-current-input-method-function nil) | |
362 | (setq current-input-method nil) | |
363 | (run-hooks 'input-method-inactivate-hook) | |
364 | (force-mode-line-update)) | |
365 | )) | |
366 | (defun viper-activate-input-method () | |
e83d1fe8 | 367 | (cond ((and (featurep 'emacs) (fboundp 'activate-input-method)) |
34317da2 | 368 | (activate-input-method default-input-method)) |
b674ceaf RS |
369 | ((featurep 'xemacs) |
370 | (if (fboundp 'quail-mode) (quail-mode 1))))) | |
34317da2 MK |
371 | |
372 | ;; Set quail-mode to ARG | |
373 | (defun viper-set-input-method (arg) | |
374 | (setq viper-mule-hook-flag t) ; just a precaution | |
ac64a728 | 375 | (let (viper-mule-hook-flag) ; temporarily deactivate viper mule hooks |
34317da2 MK |
376 | (cond ((and arg (> (prefix-numeric-value arg) 0) default-input-method) |
377 | ;; activate input method | |
378 | (viper-activate-input-method)) | |
379 | (t ; deactivate input method | |
380 | (viper-inactivate-input-method))) | |
381 | )) | |
382 | ||
9b70a748 MK |
383 | |
384 | ;; VI-style Undo | |
385 | ||
386 | ;; Used to 'undo' complex commands, such as replace and insert commands. | |
8626cfa2 MK |
387 | (viper-deflocalvar viper-undo-needs-adjustment nil) |
388 | (put 'viper-undo-needs-adjustment 'permanent-local t) | |
9b70a748 MK |
389 | |
390 | ;; A mark that Viper puts on buffer-undo-list. Marks the beginning of a | |
3af0304a | 391 | ;; complex command that must be undone atomically. If inserted, it is |
8626cfa2 MK |
392 | ;; erased by viper-change-state-to-vi and viper-repeat. |
393 | (defconst viper-buffer-undo-list-mark 'viper) | |
9b70a748 | 394 | |
8626cfa2 | 395 | (defcustom viper-keep-point-on-undo nil |
9b70a748 | 396 | "*Non-nil means not to move point while undoing commands. |
3af0304a | 397 | This style is different from Emacs and Vi. Try it to see if |
1e70790f MK |
398 | it better fits your working style." |
399 | :type 'boolean | |
400 | :tag "Preserve Position of Point After Undo" | |
f1097063 | 401 | :group 'viper) |
9b70a748 MK |
402 | |
403 | ;; Replace mode and changing text | |
404 | ||
2eb4bdca | 405 | ;; Hack used to pass global states around for short period of time |
8626cfa2 MK |
406 | (viper-deflocalvar viper-intermediate-command nil "") |
407 | ||
408 | ;; This is used to pass the right Vi command key sequence to | |
409 | ;; viper-set-destructive-command whenever (this-command-keys) doesn't give the | |
3af0304a MK |
410 | ;; right result. For instance, in commands like c/bla<RET>, |
411 | ;; (this-command-keys) will return ^M, which invoked exit-minibuffer, while we | |
f1097063 | 412 | ;; need "c/" |
8626cfa2 | 413 | (defconst viper-this-command-keys nil) |
9b70a748 MK |
414 | |
415 | ;; Indicates that the current destructive command has started in replace mode. | |
8626cfa2 | 416 | (viper-deflocalvar viper-began-as-replace nil "") |
9b70a748 | 417 | |
8626cfa2 | 418 | (defcustom viper-allow-multiline-replace-regions t |
9b70a748 MK |
419 | "If non-nil, Viper will allow multi-line replace regions. |
420 | This is an extension to standard Vi. | |
421 | If nil, commands that attempt to replace text spanning multiple lines first | |
1e70790f MK |
422 | delete the text being replaced, as in standard Vi." |
423 | :type 'boolean | |
424 | :group 'viper) | |
425 | ||
8626cfa2 | 426 | (defcustom viper-replace-overlay-cursor-color "Red" |
1e70790f MK |
427 | "*Cursor color when Viper is in Replace state." |
428 | :type 'string | |
429 | :group 'viper) | |
38685583 | 430 | |
8626cfa2 | 431 | (defcustom viper-insert-state-cursor-color "Green" |
1e70790f MK |
432 | "Cursor color when Viper is in insert state." |
433 | :type 'string | |
434 | :group 'viper) | |
9b70a748 | 435 | |
83f49acb MK |
436 | ;; viper-emacs-state-cursor-color doesn't work well. Causes cursor colors to be |
437 | ;; confused in some cases. So, this var is nulled for now. | |
438 | ;; (defcustom viper-emacs-state-cursor-color "Magenta" | |
439 | (defcustom viper-emacs-state-cursor-color nil | |
a6fb441a | 440 | "Cursor color when Viper is in Emacs state." |
b6178721 MK |
441 | :type 'string |
442 | :group 'viper) | |
b6178721 | 443 | |
3af0304a MK |
444 | ;; internal var, used to remember the default cursor color of emacs frames |
445 | (defvar viper-vi-state-cursor-color nil) | |
cbfcb1d0 | 446 | |
38685583 | 447 | (if (fboundp 'make-variable-frame-local) |
ed8a25df GM |
448 | (dolist (v '(viper-replace-overlay-cursor-color |
449 | viper-insert-state-cursor-color viper-emacs-state-cursor-color | |
450 | viper-vi-state-cursor-color)) | |
451 | (make-variable-frame-local v))) | |
f1097063 | 452 | |
8626cfa2 MK |
453 | (viper-deflocalvar viper-replace-overlay nil "") |
454 | (put 'viper-replace-overlay 'permanent-local t) | |
9b70a748 | 455 | |
8626cfa2 | 456 | (defcustom viper-replace-region-end-delimiter "$" |
9b70a748 | 457 | "A string marking the end of replacement regions. |
8626cfa2 | 458 | It is used only with TTYs or if `viper-use-replace-region-delimiters' |
1e70790f MK |
459 | is non-nil." |
460 | :type 'string | |
461 | :group 'viper) | |
8626cfa2 | 462 | (defcustom viper-replace-region-start-delimiter "" |
9b70a748 | 463 | "A string marking the beginning of replacement regions. |
8626cfa2 | 464 | It is used only with TTYs or if `viper-use-replace-region-delimiters' |
1e70790f MK |
465 | is non-nil." |
466 | :type 'string | |
467 | :group 'viper) | |
f1097063 | 468 | (defcustom viper-use-replace-region-delimiters |
96dffd25 | 469 | (or (not (viper-has-face-support-p)) |
e83d1fe8 | 470 | (and (featurep 'xemacs) (eq (viper-device-type) 'tty))) |
8626cfa2 MK |
471 | "*If non-nil, Viper will always use `viper-replace-region-end-delimiter' and |
472 | `viper-replace-region-start-delimiter' to delimit replacement regions, even on | |
3af0304a | 473 | color displays. By default, the delimiters are used only on TTYs." |
1e70790f MK |
474 | :type 'boolean |
475 | :group 'viper) | |
3af0304a MK |
476 | |
477 | (defcustom viper-read-buffer-function 'read-buffer | |
478 | "Function to use for prompting the user for a buffer name." | |
479 | :type 'symbol | |
480 | :group 'viper) | |
f1097063 | 481 | |
9b70a748 | 482 | ;; XEmacs requires glyphs |
50a07e18 MK |
483 | (viper-cond-compile-for-xemacs-or-emacs |
484 | (progn ; xemacs | |
485 | (or (glyphp viper-replace-region-end-delimiter) | |
486 | (setq viper-replace-region-end-delimiter | |
487 | (make-glyph viper-replace-region-end-delimiter))) | |
488 | (or (glyphp viper-replace-region-start-delimiter) | |
489 | (setq viper-replace-region-start-delimiter | |
490 | (make-glyph viper-replace-region-start-delimiter))) | |
491 | ) | |
492 | nil ; emacs | |
493 | ) | |
494 | ||
f1097063 SS |
495 | |
496 | ||
9b70a748 | 497 | ;; These are local marker that must be initialized to nil and moved with |
8626cfa2 | 498 | ;; `viper-move-marker-locally' |
9b70a748 MK |
499 | ;; |
500 | ;; Remember the last position inside the replace region. | |
8626cfa2 | 501 | (viper-deflocalvar viper-last-posn-in-replace-region nil) |
9b70a748 | 502 | ;; Remember the last position while inserting |
8626cfa2 MK |
503 | (viper-deflocalvar viper-last-posn-while-in-insert-state nil) |
504 | (put 'viper-last-posn-in-replace-region 'permanent-local t) | |
505 | (put 'viper-last-posn-while-in-insert-state 'permanent-local t) | |
9b70a748 | 506 | |
8626cfa2 MK |
507 | (viper-deflocalvar viper-sitting-in-replace nil "") |
508 | (put 'viper-sitting-in-replace 'permanent-local t) | |
f1097063 | 509 | |
9b70a748 MK |
510 | ;; Remember the number of characters that have to be deleted in replace |
511 | ;; mode to compensate for the inserted characters. | |
8626cfa2 | 512 | (viper-deflocalvar viper-replace-chars-to-delete 0 "") |
34317da2 | 513 | ;; This variable is used internally by the before/after changed functions to |
3af0304a | 514 | ;; determine how many chars were deleted by the change. This can't be |
34317da2 MK |
515 | ;; determined inside after-change-functions because those get the length of the |
516 | ;; deleted region, not the number of chars deleted (which are two different | |
517 | ;; things under MULE). | |
518 | (viper-deflocalvar viper-replace-region-chars-deleted 0 "") | |
9b70a748 MK |
519 | |
520 | ;; Insertion ring and command ring | |
8626cfa2 | 521 | (defcustom viper-insertion-ring-size 14 |
1e70790f MK |
522 | "The size of history of inserted text. |
523 | This is a list where Viper keeps the history of previously inserted pieces of | |
524 | text." | |
525 | :type 'integer | |
8e41a31c | 526 | :group 'viper-misc) |
9b70a748 | 527 | ;; The insertion ring. |
8626cfa2 | 528 | (defvar viper-insertion-ring nil) |
3af0304a | 529 | ;; This is temp insertion ring. Used to do rotation for display purposes. |
8626cfa2 MK |
530 | ;; When rotation just started, it is initialized to viper-insertion-ring. |
531 | (defvar viper-temp-insertion-ring nil) | |
532 | (defvar viper-last-inserted-string-from-insertion-ring "") | |
9b70a748 | 533 | |
8626cfa2 | 534 | (defcustom viper-command-ring-size 14 |
1e70790f MK |
535 | "The size of history of Vi commands repeatable with dot." |
536 | :type 'integer | |
8e41a31c | 537 | :group 'viper-misc) |
9b70a748 | 538 | ;; The command ring. |
8626cfa2 | 539 | (defvar viper-command-ring nil) |
3af0304a | 540 | ;; This is temp command ring. Used to do rotation for display purposes. |
8626cfa2 MK |
541 | ;; When rotation just started, it is initialized to viper-command-ring. |
542 | (defvar viper-temp-command-ring nil) | |
9b70a748 | 543 | |
1e70790f | 544 | ;; Fast keyseq and ESC keyseq timeouts |
8626cfa2 | 545 | (defcustom viper-fast-keyseq-timeout 200 |
1e70790f | 546 | "*Key sequence separated by no more than this many milliseconds is viewed as a Vi-style macro, if such a macro is defined. |
3af0304a | 547 | Setting this too high may slow down your typing. Setting this value too low |
751d3bc4 | 548 | will make it hard to use Vi-style timeout macros." |
1e70790f | 549 | :type 'integer |
8e41a31c | 550 | :group 'viper-misc) |
1e70790f | 551 | |
8626cfa2 MK |
552 | (defcustom viper-ESC-keyseq-timeout (if (viper-window-display-p) |
553 | 0 viper-fast-keyseq-timeout) | |
1e70790f | 554 | "*Key sequence beginning with ESC and separated by no more than this many milliseconds is considered to be generated by a keyboard function key. |
3af0304a | 555 | Setting this too high may slow down switching from insert to vi state. Setting |
1e70790f MK |
556 | this value too low will make it impossible to use function keys in insert mode |
557 | on a dumb terminal." | |
558 | :type 'integer | |
8e41a31c | 559 | :group 'viper-misc) |
1e70790f | 560 | |
55d7ff38 MK |
561 | (defcustom viper-translate-all-ESC-keysequences (not (viper-window-display-p)) |
562 | "Allow translation of all key sequences into commands. | |
563 | Normally, Viper lets Emacs translate only those ESC key sequences that are | |
564 | defined in the low-level key-translation-map or function-key-map, such as those | |
565 | emitted by the arrow and function keys. Other sequences, e.g., \\e/, are | |
751d3bc4 | 566 | treated as ESC command followed by a `/'. This is done for people who type fast |
55d7ff38 | 567 | and tend to hit other characters right after they hit ESC. Other people like |
a1506d29 | 568 | Emacs to translate ESC sequences all the time. |
55d7ff38 MK |
569 | The default is to translate all sequences only when using a dumb terminal. |
570 | This permits you to use ESC as a meta key in insert mode." | |
571 | :type 'boolean | |
572 | :group 'viper-misc) | |
573 | ||
9b70a748 MK |
574 | ;; Modes and related variables |
575 | ||
576 | ;; Current mode. One of: `emacs-state', `vi-state', `insert-state' | |
8626cfa2 | 577 | (viper-deflocalvar viper-current-state 'emacs-state) |
9b70a748 MK |
578 | |
579 | ||
580 | ;; Autoindent in insert | |
581 | ||
582 | ;; Variable that keeps track of whether C-t has been pressed. | |
8626cfa2 | 583 | (viper-deflocalvar viper-cted nil "") |
9b70a748 MK |
584 | |
585 | ;; Preserve the indent value, used by C-d in insert mode. | |
8626cfa2 | 586 | (viper-deflocalvar viper-current-indent 0) |
9b70a748 MK |
587 | |
588 | ;; Whether to preserve the indent, used by C-d in insert mode. | |
8626cfa2 | 589 | (viper-deflocalvar viper-preserve-indent nil) |
9b70a748 | 590 | |
8626cfa2 MK |
591 | (viper-deflocalvar viper-auto-indent nil "") |
592 | (defcustom viper-auto-indent nil | |
1e70790f MK |
593 | "*Enable autoindent, if t. |
594 | This is a buffer-local variable." | |
595 | :type 'boolean | |
596 | :group 'viper) | |
597 | ||
8626cfa2 MK |
598 | (viper-deflocalvar viper-electric-mode t "") |
599 | (defcustom viper-electric-mode t | |
1e70790f MK |
600 | "*If t, electrify Viper. |
601 | Currently, this only electrifies auto-indentation, making it appropriate to the | |
602 | mode of the buffer. | |
603 | This means that auto-indentation will depart from standard Vi and will indent | |
3af0304a | 604 | appropriate to the mode of the buffer. This is especially useful for editing |
1e70790f MK |
605 | programs and LaTeX documents." |
606 | :type 'boolean | |
607 | :group 'viper) | |
608 | ||
8626cfa2 | 609 | (defcustom viper-shift-width 8 |
2eb4bdca MK |
610 | "*The value of the shiftwidth. |
611 | This determines the number of columns by which the Ctl-t moves the cursor in | |
612 | the Insert state." | |
1e70790f MK |
613 | :type 'integer |
614 | :group 'viper) | |
9b70a748 MK |
615 | |
616 | ;; Variables for repeating destructive commands | |
617 | ||
8626cfa2 | 618 | (defcustom viper-keep-point-on-repeat t |
9b70a748 MK |
619 | "*If t, don't move point when repeating previous command. |
620 | This is useful for doing repeated changes with the '.' key. | |
621 | The user can change this to nil, if she likes when the cursor moves | |
1e70790f MK |
622 | to a new place after repeating previous Vi command." |
623 | :type 'boolean | |
f1097063 | 624 | :group 'viper) |
9b70a748 MK |
625 | |
626 | ;; Remember insert point as a marker. This is a local marker that must be | |
8626cfa2 MK |
627 | ;; initialized to nil and moved with `viper-move-marker-locally'. |
628 | (viper-deflocalvar viper-insert-point nil) | |
629 | (put 'viper-insert-point 'permanent-local t) | |
9b70a748 MK |
630 | |
631 | ;; This remembers the point before dabbrev-expand was called. | |
8626cfa2 MK |
632 | ;; If viper-insert-point turns out to be bigger than that, it is reset |
633 | ;; back to viper-pre-command-point. | |
9b70a748 MK |
634 | ;; The reason this is needed is because dabbrev-expand (and possibly |
635 | ;; others) may jump to before the insertion point, delete something and | |
3af0304a | 636 | ;; then reinsert a bigger piece. For instance: bla^blo |
8626cfa2 | 637 | ;; If dabbrev-expand is called after `blo' and ^ undicates viper-insert-point, |
3af0304a MK |
638 | ;; then point jumps to the beginning of `blo'. If expansion is found, `blablo' |
639 | ;; is deleted, and we have |^, where | denotes point. Next, dabbrev-expand | |
9b70a748 MK |
640 | ;; will insert the expansion, and we get: blablo^ |
641 | ;; Whatever we insert next goes before the ^, i.e., before the | |
3af0304a MK |
642 | ;; viper-insert-point marker. So, Viper will think that nothing was |
643 | ;; inserted. Remembering the orig position of the marker circumvents the | |
9b70a748 MK |
644 | ;; problem. |
645 | ;; We don't know of any command, except dabbrev-expand, that has the same | |
3af0304a | 646 | ;; problem. However, the same trick can be used if such a command is |
9b70a748 MK |
647 | ;; discovered later. |
648 | ;; | |
8626cfa2 MK |
649 | (viper-deflocalvar viper-pre-command-point nil) |
650 | (put 'viper-pre-command-point 'permanent-local t) ; this is probably an overkill | |
9b70a748 MK |
651 | |
652 | ;; This is used for saving inserted text. | |
8626cfa2 | 653 | (defvar viper-last-insertion nil) |
f1097063 | 654 | |
9b70a748 | 655 | ;; Remembers the last replaced region. |
8626cfa2 | 656 | (defvar viper-last-replace-region "") |
f1097063 | 657 | |
9b70a748 | 658 | ;; Remember com point as a marker. |
3af0304a | 659 | ;; This is a local marker. Should be moved with `viper-move-marker-locally' |
8626cfa2 | 660 | (viper-deflocalvar viper-com-point nil) |
9b70a748 MK |
661 | |
662 | ;; If non-nil, the value is a list (M-COM VAL COM REG inserted-text cmd-keys) | |
663 | ;; It is used to re-execute last destructive command. | |
664 | ;; M-COM is a Lisp symbol representing the function to be executed. | |
665 | ;; VAL is the prefix argument that was used with that command. | |
666 | ;; COM is an internal descriptor, such as ?r, ?c, ?C, which contains | |
667 | ;; additional information on how the function in M-COM is to be handled. | |
668 | ;; REG is the register used by command | |
669 | ;; INSERTED-TEXT is text inserted by that command (in case of o, c, C, i, r | |
670 | ;; commands). | |
671 | ;; COMMAND-KEYS are the keys that were typed to invoke the command. | |
8626cfa2 | 672 | (defvar viper-d-com nil) |
9b70a748 MK |
673 | |
674 | ;; The character remembered by the Vi `r' command. | |
8626cfa2 | 675 | (defvar viper-d-char nil) |
9b70a748 MK |
676 | |
677 | ;; Name of register to store deleted or yanked strings | |
8626cfa2 | 678 | (defvar viper-use-register nil) |
9b70a748 MK |
679 | |
680 | ||
34317da2 | 681 | ;;; Variables for Moves and Searches |
9b70a748 | 682 | |
8e41a31c MK |
683 | (defgroup viper-search nil |
684 | "Variables that define the search and query-replace behavior of Viper." | |
685 | :prefix "viper-" | |
686 | :group 'viper) | |
687 | ||
9b70a748 | 688 | ;; For use by `;' command. |
8626cfa2 | 689 | (defvar viper-f-char nil) |
9b70a748 MK |
690 | |
691 | ;; For use by `.' command. | |
8626cfa2 | 692 | (defvar viper-F-char nil) |
9b70a748 MK |
693 | |
694 | ;; For use by `;' command. | |
8626cfa2 | 695 | (defvar viper-f-forward nil) |
9b70a748 MK |
696 | |
697 | ;; For use by `;' command. | |
8626cfa2 | 698 | (defvar viper-f-offset nil) |
9b70a748 MK |
699 | |
700 | ;; Last search string | |
8626cfa2 | 701 | (defvar viper-s-string "") |
9b70a748 | 702 | |
8626cfa2 | 703 | (defcustom viper-quote-string "> " |
1e70790f MK |
704 | "String inserted at the beginning of quoted region." |
705 | :type 'string | |
706 | :group 'viper) | |
9b70a748 MK |
707 | |
708 | ;; If t, search is forward. | |
8626cfa2 | 709 | (defvar viper-s-forward nil) |
9b70a748 | 710 | |
8626cfa2 | 711 | (defcustom viper-case-fold-search nil |
1e70790f MK |
712 | "*If not nil, search ignores cases." |
713 | :type 'boolean | |
8e41a31c | 714 | :group 'viper-search) |
9b70a748 | 715 | |
8626cfa2 | 716 | (defcustom viper-re-search t |
1e70790f MK |
717 | "*If not nil, search is regexp search, otherwise vanilla search." |
718 | :type 'boolean | |
719 | :tag "Regexp Search" | |
8e41a31c | 720 | :group 'viper-search) |
9b70a748 | 721 | |
8626cfa2 | 722 | (defcustom viper-search-scroll-threshold 2 |
9b70a748 MK |
723 | "*If search lands within this threshnold from the window top/bottom, |
724 | the window will be scrolled up or down appropriately, to reveal context. | |
725 | If you want Viper search to behave as usual in Vi, set this variable to a | |
1e70790f MK |
726 | negative number." |
727 | :type 'boolean | |
8e41a31c | 728 | :group 'viper-search) |
1e70790f | 729 | |
8626cfa2 | 730 | (defcustom viper-re-query-replace t |
1e70790f MK |
731 | "*If t then do regexp replace, if nil then do string replace." |
732 | :type 'boolean | |
733 | :tag "Regexp Query Replace" | |
8e41a31c | 734 | :group 'viper-search) |
1e70790f | 735 | |
8626cfa2 | 736 | (defcustom viper-re-replace t |
3af0304a | 737 | "*If t, do regexp replace. nil means do string replace." |
1e70790f MK |
738 | :type 'boolean |
739 | :tag "Regexp Replace" | |
8e41a31c | 740 | :group 'viper-search) |
1e70790f | 741 | |
8626cfa2 | 742 | (defcustom viper-parse-sexp-ignore-comments t |
1e70790f MK |
743 | "*If t, `%' ignores the parentheses that occur inside comments." |
744 | :type 'boolean | |
745 | :group 'viper) | |
746 | ||
8626cfa2 MK |
747 | (viper-deflocalvar viper-ex-style-motion t "") |
748 | (defcustom viper-ex-style-motion t | |
1e70790f MK |
749 | "*If t, the commands l,h do not cross lines, etc (Ex-style). |
750 | If nil, these commands cross line boundaries." | |
751 | :type 'boolean | |
752 | :group 'viper) | |
753 | ||
34317da2 MK |
754 | (viper-deflocalvar viper-ex-style-editing t "") |
755 | (defcustom viper-ex-style-editing t | |
756 | "*If t, Ex-style behavior while editing in Vi command and insert states. | |
757 | `Backspace' and `Delete' don't cross line boundaries in insert. | |
758 | `X' and `x' can't delete characters across line boundary in Vi, etc. | |
1e70790f | 759 | Note: this doesn't preclude `Backspace' and `Delete' from deleting characters |
3af0304a | 760 | by moving past the insertion point. This is a feature, not a bug. |
34317da2 MK |
761 | |
762 | If nil, the above commands can work across lines." | |
1e70790f MK |
763 | :type 'boolean |
764 | :group 'viper) | |
765 | ||
34317da2 | 766 | (viper-deflocalvar viper-ESC-moves-cursor-back viper-ex-style-editing "") |
8626cfa2 | 767 | (defcustom viper-ESC-moves-cursor-back nil |
1e70790f | 768 | "*If t, ESC moves cursor back when changing from insert to vi state. |
34317da2 | 769 | If nil, the cursor stays where it was when ESC was hit." |
1e70790f MK |
770 | :type 'boolean |
771 | :group 'viper) | |
772 | ||
8626cfa2 MK |
773 | (viper-deflocalvar viper-delete-backwards-in-replace nil "") |
774 | (defcustom viper-delete-backwards-in-replace nil | |
9b70a748 | 775 | "*If t, DEL key will delete characters while moving the cursor backwards. |
1e70790f MK |
776 | If nil, the cursor will move backwards without deleting anything." |
777 | :type 'boolean | |
778 | :group 'viper) | |
779 | ||
8626cfa2 | 780 | (defcustom viper-buffer-search-char nil |
3af0304a | 781 | "*Key used for buffer-searching. Must be a character type, e.g., ?g." |
1e70790f | 782 | :type '(choice (const nil) character) |
8e41a31c | 783 | :group 'viper-search) |
1e70790f | 784 | |
8626cfa2 | 785 | (defcustom viper-search-wrap-around-t t |
1e70790f MK |
786 | "*If t, search wraps around." |
787 | :type 'boolean | |
788 | :tag "Search Wraps Around" | |
8e41a31c | 789 | :group 'viper-search) |
f1097063 | 790 | |
8626cfa2 MK |
791 | (viper-deflocalvar viper-related-files-and-buffers-ring nil "") |
792 | (defcustom viper-related-files-and-buffers-ring nil | |
1e70790f MK |
793 | "*List of file and buffer names that are considered to be related to the current buffer. |
794 | Related buffers can be cycled through via :R and :P commands." | |
795 | :type 'boolean | |
8e41a31c | 796 | :group 'viper-misc) |
8626cfa2 | 797 | (put 'viper-related-files-and-buffers-ring 'permanent-local t) |
9b70a748 MK |
798 | |
799 | ;; Used to find out if we are done with searching the current buffer. | |
8626cfa2 | 800 | (viper-deflocalvar viper-local-search-start-marker nil) |
9b70a748 | 801 | ;; As above, but global |
8626cfa2 | 802 | (defvar viper-search-start-marker (make-marker)) |
9b70a748 MK |
803 | |
804 | ;; the search overlay | |
8626cfa2 | 805 | (viper-deflocalvar viper-search-overlay nil) |
9b70a748 MK |
806 | |
807 | ||
f1097063 | 808 | (defvar viper-heading-start |
9b70a748 MK |
809 | (concat "^\\s-*(\\s-*defun\\s-\\|" ; lisp |
810 | "^{\\s-*$\\|^[_a-zA-Z][^()]*[()].*{\\s-*$\\|" ; C/C++ | |
811 | "^\\s-*class.*{\\|^\\s-*struct.*{\\|^\\s-*enum.*{\\|" | |
812 | "^\\\\[sb][a-z]*{.*}\\s-*$\\|" ; latex | |
813 | "^@node\\|@table\\|^@m?enu\\|^@itemize\\|^@if\\|" ; texinfo | |
814 | "^.+:-") ; prolog | |
3af0304a | 815 | "*Regexps for Headings. Used by \[\[ and \]\].") |
9b70a748 | 816 | |
f1097063 | 817 | (defvar viper-heading-end |
9b70a748 MK |
818 | (concat "^}\\|" ; C/C++ |
819 | "^\\\\end{\\|" ; latex | |
820 | "^@end \\|" ; texinfo | |
821 | ")\n\n[ \t\n]*\\|" ; lisp | |
822 | "\\.\\s-*$") ; prolog | |
3af0304a | 823 | "*Regexps to end Headings/Sections. Used by \[\].") |
9b70a748 MK |
824 | |
825 | ||
826 | ;; These two vars control the interaction of jumps performed by ' and `. | |
827 | ;; In this new version, '' doesn't erase the marks set by ``, so one can | |
828 | ;; use both kinds of jumps interchangeably and without loosing positions | |
829 | ;; inside the lines. | |
830 | ||
831 | ;; Remembers position of the last jump done using ``'. | |
8626cfa2 | 832 | (viper-deflocalvar viper-last-jump nil) |
9b70a748 | 833 | ;; Remembers position of the last jump done using `''. |
8626cfa2 | 834 | (viper-deflocalvar viper-last-jump-ignore 0) |
9b70a748 MK |
835 | |
836 | ;; History variables | |
837 | ||
838 | ;; History of search strings. | |
8626cfa2 | 839 | (defvar viper-search-history (list "")) |
9b70a748 | 840 | ;; History of query-replace strings used as a source. |
8626cfa2 | 841 | (defvar viper-replace1-history nil) |
9b70a748 | 842 | ;; History of query-replace strings used as replacement. |
8626cfa2 | 843 | (defvar viper-replace2-history nil) |
9b70a748 | 844 | ;; History of region quoting strings. |
8626cfa2 | 845 | (defvar viper-quote-region-history (list viper-quote-string)) |
9b70a748 | 846 | ;; History of Ex-style commands. |
8626cfa2 | 847 | (defvar viper-ex-history nil) |
9b70a748 | 848 | ;; History of shell commands. |
8626cfa2 | 849 | (defvar viper-shell-history nil) |
9b70a748 MK |
850 | |
851 | ||
3af0304a | 852 | ;; Last shell command. There are two of these, one for Ex (in viper-ex) |
9b70a748 MK |
853 | ;; and one for Vi. |
854 | ||
855 | ;; Last shell command executed with ! command. | |
8626cfa2 | 856 | (defvar viper-last-shell-com nil) |
9b70a748 | 857 | |
41497c90 MK |
858 | \f |
859 | ;;; Face-saving tricks | |
860 | ||
41497c90 MK |
861 | (defgroup viper-highlighting nil |
862 | "Hilighting of replace region, search pattern, minibuffer, etc." | |
863 | :prefix "viper-" | |
864 | :group 'viper) | |
865 | ||
41497c90 | 866 | |
25c06649 | 867 | (defface viper-search |
41497c90 | 868 | '((((class color)) (:foreground "Black" :background "khaki")) |
2d30d788 | 869 | (t (:underline t :stipple "gray3"))) |
41497c90 MK |
870 | "*Face used to flash out the search pattern." |
871 | :group 'viper-highlighting) | |
3af0304a | 872 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 873 | (defvar viper-search-face 'viper-search |
8e41a31c | 874 | "Face used to flash out the search pattern. |
3af0304a | 875 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 876 | to customize the actual face object `viper-search' |
8e41a31c | 877 | this variable represents.") |
41497c90 | 878 | |
25c06649 | 879 | (defface viper-replace-overlay |
41497c90 | 880 | '((((class color)) (:foreground "Black" :background "darkseagreen2")) |
2d30d788 | 881 | (t (:underline t :stipple "gray3"))) |
41497c90 MK |
882 | "*Face for highlighting replace regions on a window display." |
883 | :group 'viper-highlighting) | |
3af0304a | 884 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 885 | (defvar viper-replace-overlay-face 'viper-replace-overlay |
8e41a31c | 886 | "Face for highlighting replace regions on a window display. |
3af0304a | 887 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 888 | to customize the actual face object `viper-replace-overlay' |
8e41a31c | 889 | this variable represents.") |
41497c90 | 890 | |
25c06649 | 891 | (defface viper-minibuffer-emacs |
41497c90 | 892 | '((((class color)) (:foreground "Black" :background "darkseagreen2")) |
e31c1fd5 | 893 | (t (:weight bold))) |
41497c90 MK |
894 | "Face used in the Minibuffer when it is in Emacs state." |
895 | :group 'viper-highlighting) | |
3af0304a | 896 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 897 | (defvar viper-minibuffer-emacs-face 'viper-minibuffer-emacs |
8e41a31c | 898 | "Face used in the Minibuffer when it is in Emacs state. |
3af0304a | 899 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 900 | to customize the actual face object `viper-minibuffer-emacs' |
8e41a31c | 901 | this variable represents.") |
41497c90 | 902 | |
25c06649 | 903 | (defface viper-minibuffer-insert |
41497c90 | 904 | '((((class color)) (:foreground "Black" :background "pink")) |
e31c1fd5 | 905 | (t (:slant italic))) |
41497c90 MK |
906 | "Face used in the Minibuffer when it is in Insert state." |
907 | :group 'viper-highlighting) | |
3af0304a | 908 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 909 | (defvar viper-minibuffer-insert-face 'viper-minibuffer-insert |
8e41a31c | 910 | "Face used in the Minibuffer when it is in Insert state. |
3af0304a | 911 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 912 | to customize the actual face object `viper-minibuffer-insert' |
8e41a31c | 913 | this variable represents.") |
41497c90 | 914 | |
25c06649 | 915 | (defface viper-minibuffer-vi |
41497c90 MK |
916 | '((((class color)) (:foreground "DarkGreen" :background "grey")) |
917 | (t (:inverse-video t))) | |
918 | "Face used in the Minibuffer when it is in Vi state." | |
919 | :group 'viper-highlighting) | |
3af0304a | 920 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 921 | (defvar viper-minibuffer-vi-face 'viper-minibuffer-vi |
8e41a31c | 922 | "Face used in the Minibuffer when it is in Vi state. |
3af0304a | 923 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 924 | to customize the actual face object `viper-minibuffer-vi' |
8e41a31c | 925 | this variable represents.") |
f1097063 | 926 | |
41497c90 | 927 | ;; the current face to be used in the minibuffer |
8e41a31c MK |
928 | (viper-deflocalvar |
929 | viper-minibuffer-current-face viper-minibuffer-emacs-face "") | |
9b70a748 MK |
930 | |
931 | \f | |
932 | ;;; Miscellaneous | |
933 | ||
8626cfa2 | 934 | (defvar viper-inhibit-startup-message nil |
9b70a748 MK |
935 | "Whether Viper startup message should be inhibited.") |
936 | ||
8626cfa2 | 937 | (defcustom viper-spell-function 'ispell-region |
1e70790f MK |
938 | "Spell function used by #s<move> command to spell." |
939 | :type 'function | |
8e41a31c | 940 | :group 'viper-misc) |
9b70a748 | 941 | |
8626cfa2 | 942 | (defcustom viper-tags-file-name "TAGS" |
1e70790f MK |
943 | "The tags file used by Viper." |
944 | :type 'string | |
8e41a31c | 945 | :group 'viper-misc) |
9b70a748 | 946 | |
3af0304a MK |
947 | (defcustom viper-change-notification-threshold 1 |
948 | "Notify the user when this many lines or characters have been deleted/yanked. | |
949 | For line-deleting/yanking commands (like `dd', `yy'), the value denotes the | |
950 | number of lines. For character-based commands (such as `x', `dw', etc.), the | |
951 | value refers to the number of characters affected." | |
952 | :type 'integer | |
953 | :group 'viper-misc) | |
954 | ||
9b70a748 MK |
955 | ;; Minibuffer |
956 | ||
8626cfa2 | 957 | (defcustom viper-vi-style-in-minibuffer t |
9b70a748 | 958 | "If t, use vi-style editing in minibuffer. |
8626cfa2 | 959 | Should be set in `~/.viper' file." |
1e70790f MK |
960 | :type 'boolean |
961 | :group 'viper) | |
f1097063 | 962 | |
9b70a748 | 963 | ;; overlay used in the minibuffer to indicate which state it is in |
8626cfa2 | 964 | (viper-deflocalvar viper-minibuffer-overlay nil) |
3af0304a | 965 | (put 'viper-minibuffer-overlay 'permanent-local t) |
9b70a748 MK |
966 | |
967 | ;; Hook, specific to Viper, which is run just *before* exiting the minibuffer. | |
2eb4bdca MK |
968 | ;; This is needed because beginning with Emacs 19.26, the standard |
969 | ;; `minibuffer-exit-hook' is run *after* exiting the minibuffer | |
970 | (defvar viper-minibuffer-exit-hook nil) | |
f1097063 | 971 | |
9b70a748 MK |
972 | |
973 | ;; Mode line | |
8626cfa2 | 974 | (defconst viper-vi-state-id "<V> " |
9b70a748 | 975 | "Mode line tag identifying the Vi mode of Viper.") |
8626cfa2 | 976 | (defconst viper-emacs-state-id "<E> " |
9b70a748 | 977 | "Mode line tag identifying the Emacs mode of Viper.") |
8626cfa2 | 978 | (defconst viper-insert-state-id "<I> " |
9b70a748 | 979 | "Mode line tag identifying the Insert mode of Viper.") |
8626cfa2 | 980 | (defconst viper-replace-state-id "<R> " |
9b70a748 MK |
981 | "Mode line tag identifying the Replace mode of Viper.") |
982 | ||
9b70a748 | 983 | |
8e41a31c MK |
984 | (defgroup viper-hooks nil |
985 | "Viper hooks." | |
986 | :prefix "viper-" | |
987 | :group 'viper) | |
988 | ||
7d027816 | 989 | (defcustom viper-vi-state-hook 'viper-restore-cursor-type |
1e70790f MK |
990 | "*Hooks run just before the switch to Vi mode is completed." |
991 | :type 'hook | |
8e41a31c | 992 | :group 'viper-hooks) |
7d027816 | 993 | (defcustom viper-insert-state-hook 'viper-set-insert-cursor-type |
1e70790f MK |
994 | "*Hooks run just before the switch to Insert mode is completed." |
995 | :type 'hook | |
8e41a31c | 996 | :group 'viper-hooks) |
7d027816 | 997 | (defcustom viper-replace-state-hook 'viper-restore-cursor-type |
1e70790f MK |
998 | "*Hooks run just before the switch to Replace mode is completed." |
999 | :type 'hook | |
8e41a31c | 1000 | :group 'viper-hooks) |
7d027816 | 1001 | (defcustom viper-emacs-state-hook 'viper-restore-cursor-type |
1e70790f MK |
1002 | "*Hooks run just before the switch to Emacs mode is completed." |
1003 | :type 'hook | |
8e41a31c | 1004 | :group 'viper-hooks) |
f1097063 | 1005 | |
8626cfa2 | 1006 | (defcustom viper-load-hook nil |
1e70790f MK |
1007 | "Hooks run just after loading Viper." |
1008 | :type 'hook | |
8e41a31c | 1009 | :group 'viper-hooks) |
f1097063 | 1010 | |
7d027816 | 1011 | (defun viper-restore-cursor-type () |
bea3997a | 1012 | (condition-case nil |
e83d1fe8 | 1013 | (if (featurep 'xemacs) |
e2de3a29 | 1014 | (set (make-local-variable 'bar-cursor) nil) |
bea3997a | 1015 | (setq cursor-type default-cursor-type)) |
50a07e18 | 1016 | (error nil))) |
7d027816 MK |
1017 | |
1018 | (defun viper-set-insert-cursor-type () | |
e83d1fe8 | 1019 | (if (featurep 'xemacs) |
e2de3a29 | 1020 | (set (make-local-variable 'bar-cursor) 2) |
7d027816 MK |
1021 | (setq cursor-type '(bar . 2)))) |
1022 | ||
1e70790f | 1023 | |
26a7f02f GM |
1024 | (provide 'viper-init) |
1025 | ||
1026 | ||
e2de3a29 MK |
1027 | ;; Local Variables: |
1028 | ;; eval: (put 'viper-deflocalvar 'lisp-indent-hook 'defun) | |
1029 | ;; End: | |
1e70790f | 1030 | |
e2de3a29 | 1031 | ;; arch-tag: 4efa2416-1fcb-4690-be10-1a2a0248d250 |
60370d40 | 1032 | ;;; viper-init.el ends here |