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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, |
5df4f04c | 4 | ;; 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 | ||
ed0f493f | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
9b70a748 | 11 | ;; it under the terms of the GNU General Public License as published by |
ed0f493f GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
9b70a748 MK |
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 | |
ed0f493f | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
9b70a748 | 22 | |
60370d40 PJ |
23 | ;;; Commentary: |
24 | ||
25 | ;;; Code: | |
9b70a748 | 26 | |
9b70a748 MK |
27 | ;; compiler pacifier |
28 | (defvar mark-even-if-inactive) | |
34317da2 MK |
29 | (defvar quail-mode) |
30 | (defvar iso-accents-mode) | |
31 | (defvar viper-current-state) | |
726e270f | 32 | (defvar viper-version) |
1e70790f | 33 | (defvar viper-expert-level) |
2eb4bdca MK |
34 | (defvar current-input-method) |
35 | (defvar default-input-method) | |
36 | (defvar describe-current-input-method-function) | |
50a07e18 | 37 | (defvar bar-cursor) |
50a07e18 | 38 | (defvar cursor-type) |
9b70a748 MK |
39 | ;; end pacifier |
40 | ||
726e270f MK |
41 | |
42 | ;; Viper version | |
43 | (defun viper-version () | |
44 | (interactive) | |
f1097063 | 45 | (message "Viper version is %s" viper-version)) |
726e270f | 46 | |
9b70a748 | 47 | ;; Tell whether we are running as a window application or on a TTY |
50a07e18 | 48 | |
8626cfa2 | 49 | (defsubst viper-device-type () |
ce8fc80b GM |
50 | (if (featurep 'xemacs) |
51 | (device-type (selected-device)) | |
52 | window-system)) | |
50a07e18 | 53 | |
3f9526a3 MK |
54 | (defun viper-color-display-p () |
55 | (condition-case nil | |
ce8fc80b GM |
56 | (if (featurep 'xemacs) |
57 | (eq (device-class (selected-device)) 'color) | |
58 | (display-color-p)) | |
3f9526a3 MK |
59 | (error nil))) |
60 | ||
9b70a748 | 61 | ;; in XEmacs: device-type is tty on tty and stream in batch. |
8626cfa2 MK |
62 | (defun viper-window-display-p () |
63 | (and (viper-device-type) (not (memq (viper-device-type) '(tty stream pc))))) | |
9b70a748 | 64 | |
8e41a31c MK |
65 | (defcustom viper-ms-style-os-p (memq system-type |
66 | '(ms-dos windows-nt windows-95)) | |
1e70790f MK |
67 | "Tells if Emacs is running under an MS-style OS: ms-dos, windows-nt, W95." |
68 | :type 'boolean | |
69 | :tag "Is it Microsoft-made OS?" | |
8e41a31c | 70 | :group 'viper-misc) |
1e70790f | 71 | |
ac64a728 MK |
72 | (defcustom viper-suppress-input-method-change-message nil |
73 | "If t, the message notifying about changes in the input method is not displayed. | |
74 | Normally, a message is displayed each time on enters the vi, insert or replace | |
75 | state." | |
76 | :type 'boolean | |
77 | :group 'viper-misc) | |
78 | ||
8626cfa2 | 79 | (defcustom viper-force-faces nil |
9b70a748 | 80 | "If t, Viper will think that it is running on a display that supports faces. |
1e70790f MK |
81 | This is provided as a temporary relief for users of graphics-capable terminals |
82 | that Viper doesn't know about. | |
83 | In all likelihood, you don't need to bother with this setting." | |
84 | :type 'boolean | |
8e41a31c | 85 | :group 'viper-highlighting) |
9b70a748 | 86 | |
8626cfa2 MK |
87 | (defun viper-has-face-support-p () |
88 | (cond ((viper-window-display-p)) | |
89 | (viper-force-faces) | |
3f9526a3 | 90 | ((viper-color-display-p)) |
e83d1fe8 DN |
91 | ((featurep 'emacs) (memq (viper-device-type) '(pc))) |
92 | ((featurep 'xemacs) (memq (viper-device-type) '(tty pc))))) | |
9b70a748 MK |
93 | |
94 | \f | |
95 | ;;; Macros | |
96 | ||
8626cfa2 | 97 | (defmacro viper-deflocalvar (var default-value &optional documentation) |
f1097063 SS |
98 | `(progn |
99 | (defvar ,var ,default-value | |
100 | ,(format "%s\n\(buffer local\)" documentation)) | |
101 | (make-variable-buffer-local ',var))) | |
9b70a748 | 102 | |
34317da2 MK |
103 | ;; (viper-loop COUNT BODY) Execute BODY COUNT times. |
104 | (defmacro viper-loop (count &rest body) | |
f1097063 SS |
105 | `(let ((count ,count)) |
106 | (while (> count 0) | |
107 | ,@body | |
108 | (setq count (1- count))))) | |
9b70a748 | 109 | |
8626cfa2 | 110 | (defmacro viper-buffer-live-p (buf) |
f1097063 SS |
111 | `(and ,buf (get-buffer ,buf) (buffer-name (get-buffer ,buf)))) |
112 | ||
9b70a748 | 113 | ;; return buffer-specific macro definition, given a full macro definition |
8626cfa2 | 114 | (defmacro viper-kbd-buf-alist (macro-elt) |
f1097063 | 115 | `(nth 1 ,macro-elt)) |
9b70a748 | 116 | ;; get a pair: (curr-buffer . macro-definition) |
8626cfa2 | 117 | (defmacro viper-kbd-buf-pair (macro-elt) |
f1097063 | 118 | `(assoc (buffer-name) (viper-kbd-buf-alist ,macro-elt))) |
9b70a748 | 119 | ;; get macro definition for current buffer |
8626cfa2 | 120 | (defmacro viper-kbd-buf-definition (macro-elt) |
f1097063 SS |
121 | `(cdr (viper-kbd-buf-pair ,macro-elt))) |
122 | ||
9b70a748 | 123 | ;; return mode-specific macro definitions, given a full macro definition |
8626cfa2 | 124 | (defmacro viper-kbd-mode-alist (macro-elt) |
f1097063 | 125 | `(nth 2 ,macro-elt)) |
9b70a748 | 126 | ;; get a pair: (major-mode . macro-definition) |
8626cfa2 | 127 | (defmacro viper-kbd-mode-pair (macro-elt) |
f1097063 | 128 | `(assoc major-mode (viper-kbd-mode-alist ,macro-elt))) |
9b70a748 | 129 | ;; get macro definition for the current major mode |
8626cfa2 | 130 | (defmacro viper-kbd-mode-definition (macro-elt) |
f1097063 SS |
131 | `(cdr (viper-kbd-mode-pair ,macro-elt))) |
132 | ||
9b70a748 | 133 | ;; return global macro definition, given a full macro definition |
8626cfa2 | 134 | (defmacro viper-kbd-global-pair (macro-elt) |
f1097063 | 135 | `(nth 3 ,macro-elt)) |
9b70a748 | 136 | ;; get global macro definition from an elt of macro-alist |
8626cfa2 | 137 | (defmacro viper-kbd-global-definition (macro-elt) |
f1097063 SS |
138 | `(cdr (viper-kbd-global-pair ,macro-elt))) |
139 | ||
9b70a748 | 140 | ;; last elt of a sequence |
8626cfa2 | 141 | (defsubst viper-seq-last-elt (seq) |
9b70a748 | 142 | (elt seq (1- (length seq)))) |
34317da2 MK |
143 | |
144 | (defsubst viper-string-to-list (string) | |
145 | (append (vconcat string) nil)) | |
146 | ||
147 | (defsubst viper-charlist-to-string (list) | |
148 | (mapconcat 'char-to-string list "")) | |
149 | ||
150 | ;; like char-after/before, but saves typing | |
151 | (defun viper-char-at-pos (direction &optional offset) | |
152 | (or (integerp offset) (setq offset 0)) | |
153 | (if (eq direction 'forward) | |
154 | (char-after (+ (point) offset)) | |
155 | (char-before (- (point) offset)))) | |
f1097063 | 156 | |
9b70a748 | 157 | \f |
8626cfa2 MK |
158 | (defvar viper-minibuffer-overlay-priority 300) |
159 | (defvar viper-replace-overlay-priority 400) | |
160 | (defvar viper-search-overlay-priority 500) | |
f1097063 | 161 | |
9b70a748 MK |
162 | \f |
163 | ;;; Viper minor modes | |
164 | ||
9b70a748 | 165 | ;; Mode for vital things like \e, C-z. |
8626cfa2 | 166 | (viper-deflocalvar viper-vi-intercept-minor-mode nil) |
9b70a748 | 167 | |
8626cfa2 | 168 | (viper-deflocalvar viper-vi-basic-minor-mode nil |
9b70a748 | 169 | "Viper's minor mode for Vi bindings.") |
f1097063 | 170 | |
8626cfa2 | 171 | (viper-deflocalvar viper-vi-local-user-minor-mode nil |
9b70a748 MK |
172 | "Auxiliary minor mode for user-defined local bindings in Vi state.") |
173 | ||
8626cfa2 | 174 | (viper-deflocalvar viper-vi-global-user-minor-mode nil |
9b70a748 MK |
175 | "Auxiliary minor mode for user-defined global bindings in Vi state.") |
176 | ||
8626cfa2 | 177 | (viper-deflocalvar viper-vi-state-modifier-minor-mode nil |
9b70a748 MK |
178 | "Minor mode used to make major-mode-specific modification to Vi state.") |
179 | ||
8626cfa2 | 180 | (viper-deflocalvar viper-vi-diehard-minor-mode nil |
9b70a748 MK |
181 | "This minor mode is in effect when the user wants Viper to be Vi.") |
182 | ||
8626cfa2 | 183 | (viper-deflocalvar viper-vi-kbd-minor-mode nil |
9b70a748 MK |
184 | "Minor mode for Ex command macros in Vi state. |
185 | The corresponding keymap stores key bindings of Vi macros defined with | |
186 | the Ex command :map.") | |
187 | ||
188 | ;; Mode for vital things like \e, C-z. | |
8626cfa2 | 189 | (viper-deflocalvar viper-insert-intercept-minor-mode nil) |
9b70a748 | 190 | |
8626cfa2 | 191 | (viper-deflocalvar viper-insert-basic-minor-mode nil |
9b70a748 MK |
192 | "Viper's minor mode for bindings in Insert mode.") |
193 | ||
8626cfa2 | 194 | (viper-deflocalvar viper-insert-local-user-minor-mode nil |
9b70a748 MK |
195 | "Auxiliary minor mode for buffer-local user-defined bindings in Insert state. |
196 | This is a way to overshadow normal Insert mode bindings locally to certain | |
197 | designated buffers.") | |
198 | ||
8626cfa2 | 199 | (viper-deflocalvar viper-insert-global-user-minor-mode nil |
9b70a748 MK |
200 | "Auxiliary minor mode for global user-defined bindings in Insert state.") |
201 | ||
8626cfa2 | 202 | (viper-deflocalvar viper-insert-state-modifier-minor-mode nil |
9b70a748 MK |
203 | "Minor mode used to make major-mode-specific modification to Insert state.") |
204 | ||
8626cfa2 | 205 | (viper-deflocalvar viper-insert-diehard-minor-mode nil |
9b70a748 MK |
206 | "Minor mode that simulates Vi very closely. |
207 | Not recommened, except for the novice user.") | |
208 | ||
8626cfa2 | 209 | (viper-deflocalvar viper-insert-kbd-minor-mode nil |
9b70a748 MK |
210 | "Minor mode for Ex command macros Insert state. |
211 | The corresponding keymap stores key bindings of Vi macros defined with | |
212 | the Ex command :map!.") | |
213 | ||
8626cfa2 | 214 | (viper-deflocalvar viper-replace-minor-mode nil |
9b70a748 MK |
215 | "Minor mode in effect in replace state (cw, C, and the like commands).") |
216 | ||
328b4b70 | 217 | ;; Mode for vital things like \C-z and \C-x) This is set to t, when viper-mode |
3af0304a MK |
218 | ;; is invoked. So, any new buffer will have C-z defined as switch to Vi, |
219 | ;; unless we switched states in this buffer | |
328b4b70 | 220 | (viper-deflocalvar viper-emacs-intercept-minor-mode nil) |
f1097063 | 221 | |
328b4b70 | 222 | (viper-deflocalvar viper-emacs-local-user-minor-mode nil |
9b70a748 MK |
223 | "Minor mode for local user bindings effective in Emacs state. |
224 | Users can use it to override Emacs bindings when Viper is in its Emacs | |
f1097063 SS |
225 | state.") |
226 | ||
328b4b70 | 227 | (viper-deflocalvar viper-emacs-global-user-minor-mode nil |
9b70a748 MK |
228 | "Minor mode for global user bindings in effect in Emacs state. |
229 | Users can use it to override Emacs bindings when Viper is in its Emacs | |
f1097063 | 230 | state.") |
9b70a748 | 231 | |
328b4b70 | 232 | (viper-deflocalvar viper-emacs-kbd-minor-mode nil |
9b70a748 MK |
233 | "Minor mode for Vi style macros in Emacs state. |
234 | The corresponding keymap stores key bindings of Vi macros defined with | |
3af0304a | 235 | `viper-record-kbd-macro' command. There is no Ex-level command to do this |
9b70a748 MK |
236 | interactively.") |
237 | ||
328b4b70 | 238 | (viper-deflocalvar viper-emacs-state-modifier-minor-mode nil |
9b70a748 MK |
239 | "Minor mode used to make major-mode-specific modification to Emacs state. |
240 | For instance, a Vi purist may want to bind `dd' in Dired mode to a function | |
241 | that deletes a file.") | |
242 | ||
8626cfa2 | 243 | (viper-deflocalvar viper-vi-minibuffer-minor-mode nil |
9b70a748 MK |
244 | "Minor mode that forces Vi-style when the Minibuffer is in Vi state.") |
245 | ||
8626cfa2 | 246 | (viper-deflocalvar viper-insert-minibuffer-minor-mode nil |
9b70a748 | 247 | "Minor mode that forces Vi-style when the Minibuffer is in Insert state.") |
f1097063 | 248 | |
9b70a748 MK |
249 | \f |
250 | ||
251 | ;; Some common error messages | |
252 | ||
8626cfa2 MK |
253 | (defconst viper-SpuriousText "Spurious text after command" "") |
254 | (defconst viper-BadExCommand "Not an editor command" "") | |
255 | (defconst viper-InvalidCommandArgument "Invalid command argument" "") | |
256 | (defconst viper-NoPrevSearch "No previous search string" "") | |
257 | (defconst viper-EmptyRegister "`%c': Nothing in this register" "") | |
258 | (defconst viper-InvalidRegister "`%c': Invalid register" "") | |
259 | (defconst viper-EmptyTextmarker "`%c': Text marker doesn't point anywhere" "") | |
260 | (defconst viper-InvalidTextmarker "`%c': Invalid text marker" "") | |
261 | (defconst viper-InvalidViCommand "Invalid command" "") | |
262 | (defconst viper-BadAddress "Ill-formed address" "") | |
263 | (defconst viper-FirstAddrExceedsSecond "First address exceeds second" "") | |
264 | (defconst viper-NoFileSpecified "No file specified" "") | |
9b70a748 | 265 | |
f1097063 | 266 | ;; Is t until viper-mode executes for the very first time. |
9b70a748 | 267 | ;; Prevents recursive descend into startup messages. |
8626cfa2 | 268 | (defvar viper-first-time t) |
9b70a748 | 269 | |
8626cfa2 | 270 | (defvar viper-expert-level (if (boundp 'viper-expert-level) viper-expert-level 0) |
9b70a748 | 271 | "User's expert level. |
8626cfa2 MK |
272 | The minor mode viper-vi-diehard-minor-mode is in effect when |
273 | viper-expert-level is 1 or 2 or when viper-want-emacs-keys-in-vi is t. | |
274 | The minor mode viper-insert-diehard-minor-mode is in effect when | |
275 | viper-expert-level is 1 or 2 or if viper-want-emacs-keys-in-insert is t. | |
1e70790f | 276 | Use `M-x viper-set-expert-level' to change this.") |
9b70a748 | 277 | |
3af0304a | 278 | ;; Max expert level supported by Viper. This is NOT a user option. |
9b70a748 | 279 | ;; It is here to make it hard for the user from resetting it. |
1e70790f | 280 | (defconst viper-max-expert-level 5) |
9b70a748 | 281 | |
9b70a748 | 282 | |
34317da2 MK |
283 | ;;; ISO characters and MULE |
284 | ||
285 | ;; If non-nil, ISO accents will be turned on in insert/replace emacs states and | |
286 | ;; turned off in vi-state. For some users, this behavior may be too | |
3af0304a | 287 | ;; primitive. In this case, use insert/emacs/vi state hooks. |
8626cfa2 | 288 | (viper-deflocalvar viper-automatic-iso-accents nil "") |
3af0304a | 289 | ;; Set iso-accents-mode to ARG. Check if it is bound first |
34317da2 MK |
290 | (defsubst viper-set-iso-accents-mode (arg) |
291 | (if (boundp 'iso-accents-mode) | |
292 | (setq iso-accents-mode arg))) | |
f1097063 | 293 | |
34317da2 MK |
294 | ;; Internal flag used to control when viper mule hooks are run. |
295 | ;; Don't change this! | |
296 | (defvar viper-mule-hook-flag t) | |
3af0304a | 297 | ;; If non-nil, the default intl. input method is turned on. |
34317da2 | 298 | (viper-deflocalvar viper-special-input-method nil "") |
f1097063 | 299 | |
34317da2 MK |
300 | ;; viper hook to run on input-method activation |
301 | (defun viper-activate-input-method-action () | |
302 | (if (null viper-mule-hook-flag) | |
303 | () | |
304 | (setq viper-special-input-method t) | |
305 | ;; turn off special input methods in vi-state | |
306 | (if (eq viper-current-state 'vi-state) | |
307 | (viper-set-input-method nil)) | |
ac64a728 MK |
308 | (if (and (memq viper-current-state '(vi-state insert-state replace-state)) |
309 | (not viper-suppress-input-method-change-message)) | |
34317da2 MK |
310 | (message "Viper special input method%s: on" |
311 | (if (or current-input-method default-input-method) | |
f1097063 | 312 | (format " %S" |
34317da2 MK |
313 | (or current-input-method default-input-method)) |
314 | ""))) | |
315 | )) | |
2eb4bdca | 316 | |
34317da2 MK |
317 | ;; viper hook to run on input-method deactivation |
318 | (defun viper-inactivate-input-method-action () | |
319 | (if (null viper-mule-hook-flag) | |
320 | () | |
321 | (setq viper-special-input-method nil) | |
ac64a728 MK |
322 | (if (and (memq viper-current-state '(vi-state insert-state replace-state)) |
323 | (not viper-suppress-input-method-change-message)) | |
34317da2 MK |
324 | (message "Viper special input method%s: off" |
325 | (if (or current-input-method default-input-method) | |
326 | (format " %S" | |
327 | (or current-input-method default-input-method)) | |
328 | ""))))) | |
329 | ||
330 | (defun viper-inactivate-input-method () | |
e83d1fe8 | 331 | (cond ((and (featurep 'emacs) (fboundp 'inactivate-input-method)) |
34317da2 | 332 | (inactivate-input-method)) |
e83d1fe8 | 333 | ((and (featurep 'xemacs) (boundp 'current-input-method)) |
ce8fc80b | 334 | ;; XEmacs had broken quail-mode for some time, so we are working around |
f1097063 | 335 | ;; it here |
34317da2 MK |
336 | (setq quail-mode nil) |
337 | (if (featurep 'quail) | |
338 | (quail-delete-overlays)) | |
339 | (setq describe-current-input-method-function nil) | |
340 | (setq current-input-method nil) | |
341 | (run-hooks 'input-method-inactivate-hook) | |
342 | (force-mode-line-update)) | |
343 | )) | |
344 | (defun viper-activate-input-method () | |
e83d1fe8 | 345 | (cond ((and (featurep 'emacs) (fboundp 'activate-input-method)) |
34317da2 | 346 | (activate-input-method default-input-method)) |
b674ceaf RS |
347 | ((featurep 'xemacs) |
348 | (if (fboundp 'quail-mode) (quail-mode 1))))) | |
34317da2 MK |
349 | |
350 | ;; Set quail-mode to ARG | |
351 | (defun viper-set-input-method (arg) | |
352 | (setq viper-mule-hook-flag t) ; just a precaution | |
ac64a728 | 353 | (let (viper-mule-hook-flag) ; temporarily deactivate viper mule hooks |
34317da2 MK |
354 | (cond ((and arg (> (prefix-numeric-value arg) 0) default-input-method) |
355 | ;; activate input method | |
356 | (viper-activate-input-method)) | |
357 | (t ; deactivate input method | |
358 | (viper-inactivate-input-method))) | |
359 | )) | |
360 | ||
9b70a748 MK |
361 | |
362 | ;; VI-style Undo | |
363 | ||
364 | ;; Used to 'undo' complex commands, such as replace and insert commands. | |
8626cfa2 MK |
365 | (viper-deflocalvar viper-undo-needs-adjustment nil) |
366 | (put 'viper-undo-needs-adjustment 'permanent-local t) | |
9b70a748 MK |
367 | |
368 | ;; A mark that Viper puts on buffer-undo-list. Marks the beginning of a | |
3af0304a | 369 | ;; complex command that must be undone atomically. If inserted, it is |
8626cfa2 MK |
370 | ;; erased by viper-change-state-to-vi and viper-repeat. |
371 | (defconst viper-buffer-undo-list-mark 'viper) | |
9b70a748 | 372 | |
8626cfa2 | 373 | (defcustom viper-keep-point-on-undo nil |
9b70a748 | 374 | "*Non-nil means not to move point while undoing commands. |
3af0304a | 375 | This style is different from Emacs and Vi. Try it to see if |
1e70790f MK |
376 | it better fits your working style." |
377 | :type 'boolean | |
378 | :tag "Preserve Position of Point After Undo" | |
f1097063 | 379 | :group 'viper) |
9b70a748 MK |
380 | |
381 | ;; Replace mode and changing text | |
382 | ||
2eb4bdca | 383 | ;; Hack used to pass global states around for short period of time |
8626cfa2 MK |
384 | (viper-deflocalvar viper-intermediate-command nil "") |
385 | ||
386 | ;; This is used to pass the right Vi command key sequence to | |
387 | ;; viper-set-destructive-command whenever (this-command-keys) doesn't give the | |
3af0304a MK |
388 | ;; right result. For instance, in commands like c/bla<RET>, |
389 | ;; (this-command-keys) will return ^M, which invoked exit-minibuffer, while we | |
f1097063 | 390 | ;; need "c/" |
8626cfa2 | 391 | (defconst viper-this-command-keys nil) |
9b70a748 MK |
392 | |
393 | ;; Indicates that the current destructive command has started in replace mode. | |
8626cfa2 | 394 | (viper-deflocalvar viper-began-as-replace nil "") |
9b70a748 | 395 | |
8626cfa2 | 396 | (defcustom viper-allow-multiline-replace-regions t |
9b70a748 MK |
397 | "If non-nil, Viper will allow multi-line replace regions. |
398 | This is an extension to standard Vi. | |
399 | If nil, commands that attempt to replace text spanning multiple lines first | |
1e70790f MK |
400 | delete the text being replaced, as in standard Vi." |
401 | :type 'boolean | |
402 | :group 'viper) | |
403 | ||
8626cfa2 | 404 | (defcustom viper-replace-overlay-cursor-color "Red" |
1e70790f MK |
405 | "*Cursor color when Viper is in Replace state." |
406 | :type 'string | |
407 | :group 'viper) | |
38685583 | 408 | |
8626cfa2 | 409 | (defcustom viper-insert-state-cursor-color "Green" |
1e70790f MK |
410 | "Cursor color when Viper is in insert state." |
411 | :type 'string | |
412 | :group 'viper) | |
9b70a748 | 413 | |
83f49acb MK |
414 | ;; viper-emacs-state-cursor-color doesn't work well. Causes cursor colors to be |
415 | ;; confused in some cases. So, this var is nulled for now. | |
416 | ;; (defcustom viper-emacs-state-cursor-color "Magenta" | |
417 | (defcustom viper-emacs-state-cursor-color nil | |
a6fb441a | 418 | "Cursor color when Viper is in Emacs state." |
b6178721 MK |
419 | :type 'string |
420 | :group 'viper) | |
b6178721 | 421 | |
3af0304a MK |
422 | ;; internal var, used to remember the default cursor color of emacs frames |
423 | (defvar viper-vi-state-cursor-color nil) | |
cbfcb1d0 | 424 | |
ce8fc80b GM |
425 | ;; Frame-local variables are obsolete from Emacs 22.2 onwards, so we |
426 | ;; do it by hand with viper-frame-value (qv). | |
427 | (when (and (featurep 'xemacs) | |
428 | (fboundp 'make-variable-frame-local)) | |
429 | (make-variable-frame-local 'viper-replace-overlay-cursor-color) | |
430 | (make-variable-frame-local 'viper-insert-state-cursor-color) | |
431 | (make-variable-frame-local 'viper-emacs-state-cursor-color) | |
432 | (make-variable-frame-local 'viper-vi-state-cursor-color)) | |
f1097063 | 433 | |
8626cfa2 MK |
434 | (viper-deflocalvar viper-replace-overlay nil "") |
435 | (put 'viper-replace-overlay 'permanent-local t) | |
9b70a748 | 436 | |
8626cfa2 | 437 | (defcustom viper-replace-region-end-delimiter "$" |
9b70a748 | 438 | "A string marking the end of replacement regions. |
8626cfa2 | 439 | It is used only with TTYs or if `viper-use-replace-region-delimiters' |
1e70790f MK |
440 | is non-nil." |
441 | :type 'string | |
442 | :group 'viper) | |
8626cfa2 | 443 | (defcustom viper-replace-region-start-delimiter "" |
9b70a748 | 444 | "A string marking the beginning of replacement regions. |
8626cfa2 | 445 | It is used only with TTYs or if `viper-use-replace-region-delimiters' |
1e70790f MK |
446 | is non-nil." |
447 | :type 'string | |
448 | :group 'viper) | |
f1097063 | 449 | (defcustom viper-use-replace-region-delimiters |
96dffd25 | 450 | (or (not (viper-has-face-support-p)) |
e83d1fe8 | 451 | (and (featurep 'xemacs) (eq (viper-device-type) 'tty))) |
8626cfa2 MK |
452 | "*If non-nil, Viper will always use `viper-replace-region-end-delimiter' and |
453 | `viper-replace-region-start-delimiter' to delimit replacement regions, even on | |
3af0304a | 454 | color displays. By default, the delimiters are used only on TTYs." |
1e70790f MK |
455 | :type 'boolean |
456 | :group 'viper) | |
3af0304a MK |
457 | |
458 | (defcustom viper-read-buffer-function 'read-buffer | |
459 | "Function to use for prompting the user for a buffer name." | |
460 | :type 'symbol | |
461 | :group 'viper) | |
f1097063 | 462 | |
9b70a748 | 463 | ;; XEmacs requires glyphs |
ce8fc80b GM |
464 | (when (featurep 'xemacs) |
465 | (or (glyphp viper-replace-region-end-delimiter) | |
466 | (setq viper-replace-region-end-delimiter | |
467 | (make-glyph viper-replace-region-end-delimiter))) | |
468 | (or (glyphp viper-replace-region-start-delimiter) | |
469 | (setq viper-replace-region-start-delimiter | |
470 | (make-glyph viper-replace-region-start-delimiter)))) | |
f1097063 | 471 | |
9b70a748 | 472 | ;; These are local marker that must be initialized to nil and moved with |
8626cfa2 | 473 | ;; `viper-move-marker-locally' |
9b70a748 MK |
474 | ;; |
475 | ;; Remember the last position inside the replace region. | |
8626cfa2 | 476 | (viper-deflocalvar viper-last-posn-in-replace-region nil) |
9b70a748 | 477 | ;; Remember the last position while inserting |
8626cfa2 MK |
478 | (viper-deflocalvar viper-last-posn-while-in-insert-state nil) |
479 | (put 'viper-last-posn-in-replace-region 'permanent-local t) | |
480 | (put 'viper-last-posn-while-in-insert-state 'permanent-local t) | |
9b70a748 | 481 | |
8626cfa2 MK |
482 | (viper-deflocalvar viper-sitting-in-replace nil "") |
483 | (put 'viper-sitting-in-replace 'permanent-local t) | |
f1097063 | 484 | |
9b70a748 MK |
485 | ;; Remember the number of characters that have to be deleted in replace |
486 | ;; mode to compensate for the inserted characters. | |
8626cfa2 | 487 | (viper-deflocalvar viper-replace-chars-to-delete 0 "") |
34317da2 | 488 | ;; This variable is used internally by the before/after changed functions to |
3af0304a | 489 | ;; determine how many chars were deleted by the change. This can't be |
34317da2 MK |
490 | ;; determined inside after-change-functions because those get the length of the |
491 | ;; deleted region, not the number of chars deleted (which are two different | |
492 | ;; things under MULE). | |
493 | (viper-deflocalvar viper-replace-region-chars-deleted 0 "") | |
9b70a748 MK |
494 | |
495 | ;; Insertion ring and command ring | |
8626cfa2 | 496 | (defcustom viper-insertion-ring-size 14 |
1e70790f MK |
497 | "The size of history of inserted text. |
498 | This is a list where Viper keeps the history of previously inserted pieces of | |
499 | text." | |
500 | :type 'integer | |
8e41a31c | 501 | :group 'viper-misc) |
9b70a748 | 502 | ;; The insertion ring. |
8626cfa2 | 503 | (defvar viper-insertion-ring nil) |
3af0304a | 504 | ;; This is temp insertion ring. Used to do rotation for display purposes. |
8626cfa2 MK |
505 | ;; When rotation just started, it is initialized to viper-insertion-ring. |
506 | (defvar viper-temp-insertion-ring nil) | |
507 | (defvar viper-last-inserted-string-from-insertion-ring "") | |
9b70a748 | 508 | |
8626cfa2 | 509 | (defcustom viper-command-ring-size 14 |
1e70790f MK |
510 | "The size of history of Vi commands repeatable with dot." |
511 | :type 'integer | |
8e41a31c | 512 | :group 'viper-misc) |
9b70a748 | 513 | ;; The command ring. |
8626cfa2 | 514 | (defvar viper-command-ring nil) |
3af0304a | 515 | ;; This is temp command ring. Used to do rotation for display purposes. |
8626cfa2 MK |
516 | ;; When rotation just started, it is initialized to viper-command-ring. |
517 | (defvar viper-temp-command-ring nil) | |
9b70a748 | 518 | |
1e70790f | 519 | ;; Fast keyseq and ESC keyseq timeouts |
8626cfa2 | 520 | (defcustom viper-fast-keyseq-timeout 200 |
1e70790f | 521 | "*Key sequence separated by no more than this many milliseconds is viewed as a Vi-style macro, if such a macro is defined. |
3af0304a | 522 | Setting this too high may slow down your typing. Setting this value too low |
751d3bc4 | 523 | will make it hard to use Vi-style timeout macros." |
1e70790f | 524 | :type 'integer |
8e41a31c | 525 | :group 'viper-misc) |
1e70790f | 526 | |
8c3ad6c4 MK |
527 | ;; This function determines if ESC key sequences are to be translated into |
528 | ;; commands. | |
529 | (defun viper-translate-all-ESC-keysequences () | |
530 | (not (viper-window-display-p))) | |
55d7ff38 | 531 | |
9b70a748 MK |
532 | ;; Modes and related variables |
533 | ||
534 | ;; Current mode. One of: `emacs-state', `vi-state', `insert-state' | |
8626cfa2 | 535 | (viper-deflocalvar viper-current-state 'emacs-state) |
9b70a748 MK |
536 | |
537 | ||
538 | ;; Autoindent in insert | |
539 | ||
540 | ;; Variable that keeps track of whether C-t has been pressed. | |
8626cfa2 | 541 | (viper-deflocalvar viper-cted nil "") |
9b70a748 MK |
542 | |
543 | ;; Preserve the indent value, used by C-d in insert mode. | |
8626cfa2 | 544 | (viper-deflocalvar viper-current-indent 0) |
9b70a748 MK |
545 | |
546 | ;; Whether to preserve the indent, used by C-d in insert mode. | |
8626cfa2 | 547 | (viper-deflocalvar viper-preserve-indent nil) |
9b70a748 | 548 | |
8626cfa2 MK |
549 | (viper-deflocalvar viper-auto-indent nil "") |
550 | (defcustom viper-auto-indent nil | |
1e70790f MK |
551 | "*Enable autoindent, if t. |
552 | This is a buffer-local variable." | |
553 | :type 'boolean | |
554 | :group 'viper) | |
555 | ||
8626cfa2 MK |
556 | (viper-deflocalvar viper-electric-mode t "") |
557 | (defcustom viper-electric-mode t | |
1e70790f MK |
558 | "*If t, electrify Viper. |
559 | Currently, this only electrifies auto-indentation, making it appropriate to the | |
560 | mode of the buffer. | |
561 | This means that auto-indentation will depart from standard Vi and will indent | |
3af0304a | 562 | appropriate to the mode of the buffer. This is especially useful for editing |
1e70790f MK |
563 | programs and LaTeX documents." |
564 | :type 'boolean | |
565 | :group 'viper) | |
566 | ||
8626cfa2 | 567 | (defcustom viper-shift-width 8 |
2eb4bdca MK |
568 | "*The value of the shiftwidth. |
569 | This determines the number of columns by which the Ctl-t moves the cursor in | |
570 | the Insert state." | |
1e70790f MK |
571 | :type 'integer |
572 | :group 'viper) | |
9b70a748 MK |
573 | |
574 | ;; Variables for repeating destructive commands | |
575 | ||
8626cfa2 | 576 | (defcustom viper-keep-point-on-repeat t |
9b70a748 MK |
577 | "*If t, don't move point when repeating previous command. |
578 | This is useful for doing repeated changes with the '.' key. | |
579 | The user can change this to nil, if she likes when the cursor moves | |
1e70790f MK |
580 | to a new place after repeating previous Vi command." |
581 | :type 'boolean | |
f1097063 | 582 | :group 'viper) |
9b70a748 MK |
583 | |
584 | ;; Remember insert point as a marker. This is a local marker that must be | |
8626cfa2 MK |
585 | ;; initialized to nil and moved with `viper-move-marker-locally'. |
586 | (viper-deflocalvar viper-insert-point nil) | |
587 | (put 'viper-insert-point 'permanent-local t) | |
9b70a748 MK |
588 | |
589 | ;; This remembers the point before dabbrev-expand was called. | |
8626cfa2 MK |
590 | ;; If viper-insert-point turns out to be bigger than that, it is reset |
591 | ;; back to viper-pre-command-point. | |
9b70a748 MK |
592 | ;; The reason this is needed is because dabbrev-expand (and possibly |
593 | ;; others) may jump to before the insertion point, delete something and | |
3af0304a | 594 | ;; then reinsert a bigger piece. For instance: bla^blo |
8626cfa2 | 595 | ;; If dabbrev-expand is called after `blo' and ^ undicates viper-insert-point, |
3af0304a MK |
596 | ;; then point jumps to the beginning of `blo'. If expansion is found, `blablo' |
597 | ;; is deleted, and we have |^, where | denotes point. Next, dabbrev-expand | |
9b70a748 MK |
598 | ;; will insert the expansion, and we get: blablo^ |
599 | ;; Whatever we insert next goes before the ^, i.e., before the | |
3af0304a MK |
600 | ;; viper-insert-point marker. So, Viper will think that nothing was |
601 | ;; inserted. Remembering the orig position of the marker circumvents the | |
9b70a748 MK |
602 | ;; problem. |
603 | ;; We don't know of any command, except dabbrev-expand, that has the same | |
3af0304a | 604 | ;; problem. However, the same trick can be used if such a command is |
9b70a748 MK |
605 | ;; discovered later. |
606 | ;; | |
8626cfa2 MK |
607 | (viper-deflocalvar viper-pre-command-point nil) |
608 | (put 'viper-pre-command-point 'permanent-local t) ; this is probably an overkill | |
9b70a748 MK |
609 | |
610 | ;; This is used for saving inserted text. | |
8626cfa2 | 611 | (defvar viper-last-insertion nil) |
f1097063 | 612 | |
9b70a748 | 613 | ;; Remembers the last replaced region. |
8626cfa2 | 614 | (defvar viper-last-replace-region "") |
f1097063 | 615 | |
9b70a748 | 616 | ;; Remember com point as a marker. |
3af0304a | 617 | ;; This is a local marker. Should be moved with `viper-move-marker-locally' |
8626cfa2 | 618 | (viper-deflocalvar viper-com-point nil) |
9b70a748 MK |
619 | |
620 | ;; If non-nil, the value is a list (M-COM VAL COM REG inserted-text cmd-keys) | |
621 | ;; It is used to re-execute last destructive command. | |
622 | ;; M-COM is a Lisp symbol representing the function to be executed. | |
623 | ;; VAL is the prefix argument that was used with that command. | |
624 | ;; COM is an internal descriptor, such as ?r, ?c, ?C, which contains | |
625 | ;; additional information on how the function in M-COM is to be handled. | |
626 | ;; REG is the register used by command | |
627 | ;; INSERTED-TEXT is text inserted by that command (in case of o, c, C, i, r | |
628 | ;; commands). | |
629 | ;; COMMAND-KEYS are the keys that were typed to invoke the command. | |
8626cfa2 | 630 | (defvar viper-d-com nil) |
9b70a748 MK |
631 | |
632 | ;; The character remembered by the Vi `r' command. | |
8626cfa2 | 633 | (defvar viper-d-char nil) |
9b70a748 MK |
634 | |
635 | ;; Name of register to store deleted or yanked strings | |
8626cfa2 | 636 | (defvar viper-use-register nil) |
9b70a748 MK |
637 | |
638 | ||
34317da2 | 639 | ;;; Variables for Moves and Searches |
9b70a748 | 640 | |
8e41a31c MK |
641 | (defgroup viper-search nil |
642 | "Variables that define the search and query-replace behavior of Viper." | |
643 | :prefix "viper-" | |
644 | :group 'viper) | |
645 | ||
9b70a748 | 646 | ;; For use by `;' command. |
8626cfa2 | 647 | (defvar viper-f-char nil) |
9b70a748 MK |
648 | |
649 | ;; For use by `.' command. | |
8626cfa2 | 650 | (defvar viper-F-char nil) |
9b70a748 MK |
651 | |
652 | ;; For use by `;' command. | |
8626cfa2 | 653 | (defvar viper-f-forward nil) |
9b70a748 MK |
654 | |
655 | ;; For use by `;' command. | |
8626cfa2 | 656 | (defvar viper-f-offset nil) |
9b70a748 MK |
657 | |
658 | ;; Last search string | |
8626cfa2 | 659 | (defvar viper-s-string "") |
9b70a748 | 660 | |
8626cfa2 | 661 | (defcustom viper-quote-string "> " |
1e70790f MK |
662 | "String inserted at the beginning of quoted region." |
663 | :type 'string | |
664 | :group 'viper) | |
9b70a748 MK |
665 | |
666 | ;; If t, search is forward. | |
8626cfa2 | 667 | (defvar viper-s-forward nil) |
9b70a748 | 668 | |
8626cfa2 | 669 | (defcustom viper-case-fold-search nil |
1e70790f MK |
670 | "*If not nil, search ignores cases." |
671 | :type 'boolean | |
8e41a31c | 672 | :group 'viper-search) |
9b70a748 | 673 | |
8626cfa2 | 674 | (defcustom viper-re-search t |
1e70790f MK |
675 | "*If not nil, search is regexp search, otherwise vanilla search." |
676 | :type 'boolean | |
677 | :tag "Regexp Search" | |
8e41a31c | 678 | :group 'viper-search) |
9b70a748 | 679 | |
8626cfa2 | 680 | (defcustom viper-search-scroll-threshold 2 |
9b70a748 MK |
681 | "*If search lands within this threshnold from the window top/bottom, |
682 | the window will be scrolled up or down appropriately, to reveal context. | |
683 | If you want Viper search to behave as usual in Vi, set this variable to a | |
1e70790f MK |
684 | negative number." |
685 | :type 'boolean | |
8e41a31c | 686 | :group 'viper-search) |
1e70790f | 687 | |
8626cfa2 | 688 | (defcustom viper-re-query-replace t |
1e70790f MK |
689 | "*If t then do regexp replace, if nil then do string replace." |
690 | :type 'boolean | |
691 | :tag "Regexp Query Replace" | |
8e41a31c | 692 | :group 'viper-search) |
1e70790f | 693 | |
8626cfa2 | 694 | (defcustom viper-re-replace t |
3af0304a | 695 | "*If t, do regexp replace. nil means do string replace." |
1e70790f MK |
696 | :type 'boolean |
697 | :tag "Regexp Replace" | |
8e41a31c | 698 | :group 'viper-search) |
1e70790f | 699 | |
8626cfa2 | 700 | (defcustom viper-parse-sexp-ignore-comments t |
1e70790f MK |
701 | "*If t, `%' ignores the parentheses that occur inside comments." |
702 | :type 'boolean | |
703 | :group 'viper) | |
704 | ||
8626cfa2 MK |
705 | (viper-deflocalvar viper-ex-style-motion t "") |
706 | (defcustom viper-ex-style-motion t | |
1e70790f MK |
707 | "*If t, the commands l,h do not cross lines, etc (Ex-style). |
708 | If nil, these commands cross line boundaries." | |
709 | :type 'boolean | |
710 | :group 'viper) | |
711 | ||
34317da2 MK |
712 | (viper-deflocalvar viper-ex-style-editing t "") |
713 | (defcustom viper-ex-style-editing t | |
714 | "*If t, Ex-style behavior while editing in Vi command and insert states. | |
715 | `Backspace' and `Delete' don't cross line boundaries in insert. | |
716 | `X' and `x' can't delete characters across line boundary in Vi, etc. | |
1e70790f | 717 | Note: this doesn't preclude `Backspace' and `Delete' from deleting characters |
3af0304a | 718 | by moving past the insertion point. This is a feature, not a bug. |
34317da2 MK |
719 | |
720 | If nil, the above commands can work across lines." | |
1e70790f MK |
721 | :type 'boolean |
722 | :group 'viper) | |
723 | ||
34317da2 | 724 | (viper-deflocalvar viper-ESC-moves-cursor-back viper-ex-style-editing "") |
8626cfa2 | 725 | (defcustom viper-ESC-moves-cursor-back nil |
1e70790f | 726 | "*If t, ESC moves cursor back when changing from insert to vi state. |
34317da2 | 727 | If nil, the cursor stays where it was when ESC was hit." |
1e70790f MK |
728 | :type 'boolean |
729 | :group 'viper) | |
730 | ||
8626cfa2 MK |
731 | (viper-deflocalvar viper-delete-backwards-in-replace nil "") |
732 | (defcustom viper-delete-backwards-in-replace nil | |
9b70a748 | 733 | "*If t, DEL key will delete characters while moving the cursor backwards. |
1e70790f MK |
734 | If nil, the cursor will move backwards without deleting anything." |
735 | :type 'boolean | |
736 | :group 'viper) | |
737 | ||
8626cfa2 | 738 | (defcustom viper-buffer-search-char nil |
3af0304a | 739 | "*Key used for buffer-searching. Must be a character type, e.g., ?g." |
1e70790f | 740 | :type '(choice (const nil) character) |
8e41a31c | 741 | :group 'viper-search) |
1e70790f | 742 | |
a5254f37 | 743 | (defcustom viper-search-wrap-around t |
1e70790f MK |
744 | "*If t, search wraps around." |
745 | :type 'boolean | |
746 | :tag "Search Wraps Around" | |
8e41a31c | 747 | :group 'viper-search) |
f1097063 | 748 | |
8626cfa2 MK |
749 | (viper-deflocalvar viper-related-files-and-buffers-ring nil "") |
750 | (defcustom viper-related-files-and-buffers-ring nil | |
1e70790f MK |
751 | "*List of file and buffer names that are considered to be related to the current buffer. |
752 | Related buffers can be cycled through via :R and :P commands." | |
753 | :type 'boolean | |
8e41a31c | 754 | :group 'viper-misc) |
8626cfa2 | 755 | (put 'viper-related-files-and-buffers-ring 'permanent-local t) |
9b70a748 MK |
756 | |
757 | ;; Used to find out if we are done with searching the current buffer. | |
8626cfa2 | 758 | (viper-deflocalvar viper-local-search-start-marker nil) |
9b70a748 | 759 | ;; As above, but global |
8626cfa2 | 760 | (defvar viper-search-start-marker (make-marker)) |
9b70a748 MK |
761 | |
762 | ;; the search overlay | |
8626cfa2 | 763 | (viper-deflocalvar viper-search-overlay nil) |
9b70a748 MK |
764 | |
765 | ||
f1097063 | 766 | (defvar viper-heading-start |
9b70a748 MK |
767 | (concat "^\\s-*(\\s-*defun\\s-\\|" ; lisp |
768 | "^{\\s-*$\\|^[_a-zA-Z][^()]*[()].*{\\s-*$\\|" ; C/C++ | |
769 | "^\\s-*class.*{\\|^\\s-*struct.*{\\|^\\s-*enum.*{\\|" | |
770 | "^\\\\[sb][a-z]*{.*}\\s-*$\\|" ; latex | |
771 | "^@node\\|@table\\|^@m?enu\\|^@itemize\\|^@if\\|" ; texinfo | |
772 | "^.+:-") ; prolog | |
3af0304a | 773 | "*Regexps for Headings. Used by \[\[ and \]\].") |
9b70a748 | 774 | |
f1097063 | 775 | (defvar viper-heading-end |
9b70a748 MK |
776 | (concat "^}\\|" ; C/C++ |
777 | "^\\\\end{\\|" ; latex | |
778 | "^@end \\|" ; texinfo | |
779 | ")\n\n[ \t\n]*\\|" ; lisp | |
780 | "\\.\\s-*$") ; prolog | |
3af0304a | 781 | "*Regexps to end Headings/Sections. Used by \[\].") |
9b70a748 MK |
782 | |
783 | ||
784 | ;; These two vars control the interaction of jumps performed by ' and `. | |
785 | ;; In this new version, '' doesn't erase the marks set by ``, so one can | |
786 | ;; use both kinds of jumps interchangeably and without loosing positions | |
787 | ;; inside the lines. | |
788 | ||
789 | ;; Remembers position of the last jump done using ``'. | |
8626cfa2 | 790 | (viper-deflocalvar viper-last-jump nil) |
9b70a748 | 791 | ;; Remembers position of the last jump done using `''. |
8626cfa2 | 792 | (viper-deflocalvar viper-last-jump-ignore 0) |
9b70a748 MK |
793 | |
794 | ;; History variables | |
795 | ||
796 | ;; History of search strings. | |
8626cfa2 | 797 | (defvar viper-search-history (list "")) |
9b70a748 | 798 | ;; History of query-replace strings used as a source. |
8626cfa2 | 799 | (defvar viper-replace1-history nil) |
9b70a748 | 800 | ;; History of query-replace strings used as replacement. |
8626cfa2 | 801 | (defvar viper-replace2-history nil) |
9b70a748 | 802 | ;; History of region quoting strings. |
8626cfa2 | 803 | (defvar viper-quote-region-history (list viper-quote-string)) |
9b70a748 | 804 | ;; History of Ex-style commands. |
8626cfa2 | 805 | (defvar viper-ex-history nil) |
9b70a748 | 806 | ;; History of shell commands. |
8626cfa2 | 807 | (defvar viper-shell-history nil) |
9b70a748 MK |
808 | |
809 | ||
3af0304a | 810 | ;; Last shell command. There are two of these, one for Ex (in viper-ex) |
9b70a748 MK |
811 | ;; and one for Vi. |
812 | ||
813 | ;; Last shell command executed with ! command. | |
8626cfa2 | 814 | (defvar viper-last-shell-com nil) |
9b70a748 | 815 | |
41497c90 MK |
816 | \f |
817 | ;;; Face-saving tricks | |
818 | ||
41497c90 MK |
819 | (defgroup viper-highlighting nil |
820 | "Hilighting of replace region, search pattern, minibuffer, etc." | |
821 | :prefix "viper-" | |
822 | :group 'viper) | |
823 | ||
41497c90 | 824 | |
25c06649 | 825 | (defface viper-search |
41497c90 | 826 | '((((class color)) (:foreground "Black" :background "khaki")) |
2d30d788 | 827 | (t (:underline t :stipple "gray3"))) |
41497c90 MK |
828 | "*Face used to flash out the search pattern." |
829 | :group 'viper-highlighting) | |
3af0304a | 830 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 831 | (defvar viper-search-face 'viper-search |
8e41a31c | 832 | "Face used to flash out the search pattern. |
3af0304a | 833 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 834 | to customize the actual face object `viper-search' |
8e41a31c | 835 | this variable represents.") |
41497c90 | 836 | |
25c06649 | 837 | (defface viper-replace-overlay |
41497c90 | 838 | '((((class color)) (:foreground "Black" :background "darkseagreen2")) |
2d30d788 | 839 | (t (:underline t :stipple "gray3"))) |
41497c90 MK |
840 | "*Face for highlighting replace regions on a window display." |
841 | :group 'viper-highlighting) | |
3af0304a | 842 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 843 | (defvar viper-replace-overlay-face 'viper-replace-overlay |
8e41a31c | 844 | "Face for highlighting replace regions on a window display. |
3af0304a | 845 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 846 | to customize the actual face object `viper-replace-overlay' |
8e41a31c | 847 | this variable represents.") |
41497c90 | 848 | |
25c06649 | 849 | (defface viper-minibuffer-emacs |
41497c90 | 850 | '((((class color)) (:foreground "Black" :background "darkseagreen2")) |
e31c1fd5 | 851 | (t (:weight bold))) |
41497c90 MK |
852 | "Face used in the Minibuffer when it is in Emacs state." |
853 | :group 'viper-highlighting) | |
3af0304a | 854 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 855 | (defvar viper-minibuffer-emacs-face 'viper-minibuffer-emacs |
8e41a31c | 856 | "Face used in the Minibuffer when it is in Emacs state. |
3af0304a | 857 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 858 | to customize the actual face object `viper-minibuffer-emacs' |
8e41a31c | 859 | this variable represents.") |
41497c90 | 860 | |
25c06649 | 861 | (defface viper-minibuffer-insert |
41497c90 | 862 | '((((class color)) (:foreground "Black" :background "pink")) |
e31c1fd5 | 863 | (t (:slant italic))) |
41497c90 MK |
864 | "Face used in the Minibuffer when it is in Insert state." |
865 | :group 'viper-highlighting) | |
3af0304a | 866 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 867 | (defvar viper-minibuffer-insert-face 'viper-minibuffer-insert |
8e41a31c | 868 | "Face used in the Minibuffer when it is in Insert state. |
3af0304a | 869 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 870 | to customize the actual face object `viper-minibuffer-insert' |
8e41a31c | 871 | this variable represents.") |
41497c90 | 872 | |
25c06649 | 873 | (defface viper-minibuffer-vi |
41497c90 MK |
874 | '((((class color)) (:foreground "DarkGreen" :background "grey")) |
875 | (t (:inverse-video t))) | |
876 | "Face used in the Minibuffer when it is in Vi state." | |
877 | :group 'viper-highlighting) | |
3af0304a | 878 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 879 | (defvar viper-minibuffer-vi-face 'viper-minibuffer-vi |
8e41a31c | 880 | "Face used in the Minibuffer when it is in Vi state. |
3af0304a | 881 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 882 | to customize the actual face object `viper-minibuffer-vi' |
8e41a31c | 883 | this variable represents.") |
f1097063 | 884 | |
41497c90 | 885 | ;; the current face to be used in the minibuffer |
8e41a31c MK |
886 | (viper-deflocalvar |
887 | viper-minibuffer-current-face viper-minibuffer-emacs-face "") | |
9b70a748 MK |
888 | |
889 | \f | |
890 | ;;; Miscellaneous | |
891 | ||
8626cfa2 | 892 | (defvar viper-inhibit-startup-message nil |
9b70a748 MK |
893 | "Whether Viper startup message should be inhibited.") |
894 | ||
8626cfa2 | 895 | (defcustom viper-spell-function 'ispell-region |
1e70790f MK |
896 | "Spell function used by #s<move> command to spell." |
897 | :type 'function | |
8e41a31c | 898 | :group 'viper-misc) |
9b70a748 | 899 | |
8626cfa2 | 900 | (defcustom viper-tags-file-name "TAGS" |
1e70790f MK |
901 | "The tags file used by Viper." |
902 | :type 'string | |
8e41a31c | 903 | :group 'viper-misc) |
9b70a748 | 904 | |
3af0304a MK |
905 | (defcustom viper-change-notification-threshold 1 |
906 | "Notify the user when this many lines or characters have been deleted/yanked. | |
907 | For line-deleting/yanking commands (like `dd', `yy'), the value denotes the | |
908 | number of lines. For character-based commands (such as `x', `dw', etc.), the | |
909 | value refers to the number of characters affected." | |
910 | :type 'integer | |
911 | :group 'viper-misc) | |
912 | ||
9b70a748 MK |
913 | ;; Minibuffer |
914 | ||
8626cfa2 | 915 | (defcustom viper-vi-style-in-minibuffer t |
9b70a748 | 916 | "If t, use vi-style editing in minibuffer. |
8626cfa2 | 917 | Should be set in `~/.viper' file." |
1e70790f MK |
918 | :type 'boolean |
919 | :group 'viper) | |
f1097063 | 920 | |
9b70a748 | 921 | ;; overlay used in the minibuffer to indicate which state it is in |
8626cfa2 | 922 | (viper-deflocalvar viper-minibuffer-overlay nil) |
3af0304a | 923 | (put 'viper-minibuffer-overlay 'permanent-local t) |
9b70a748 MK |
924 | |
925 | ;; Hook, specific to Viper, which is run just *before* exiting the minibuffer. | |
2eb4bdca MK |
926 | ;; This is needed because beginning with Emacs 19.26, the standard |
927 | ;; `minibuffer-exit-hook' is run *after* exiting the minibuffer | |
928 | (defvar viper-minibuffer-exit-hook nil) | |
f1097063 | 929 | |
9b70a748 MK |
930 | |
931 | ;; Mode line | |
8626cfa2 | 932 | (defconst viper-vi-state-id "<V> " |
9b70a748 | 933 | "Mode line tag identifying the Vi mode of Viper.") |
8626cfa2 | 934 | (defconst viper-emacs-state-id "<E> " |
9b70a748 | 935 | "Mode line tag identifying the Emacs mode of Viper.") |
8626cfa2 | 936 | (defconst viper-insert-state-id "<I> " |
9b70a748 | 937 | "Mode line tag identifying the Insert mode of Viper.") |
8626cfa2 | 938 | (defconst viper-replace-state-id "<R> " |
9b70a748 MK |
939 | "Mode line tag identifying the Replace mode of Viper.") |
940 | ||
9b70a748 | 941 | |
8e41a31c MK |
942 | (defgroup viper-hooks nil |
943 | "Viper hooks." | |
944 | :prefix "viper-" | |
945 | :group 'viper) | |
946 | ||
7d027816 | 947 | (defcustom viper-vi-state-hook 'viper-restore-cursor-type |
1e70790f MK |
948 | "*Hooks run just before the switch to Vi mode is completed." |
949 | :type 'hook | |
8e41a31c | 950 | :group 'viper-hooks) |
7d027816 | 951 | (defcustom viper-insert-state-hook 'viper-set-insert-cursor-type |
1e70790f MK |
952 | "*Hooks run just before the switch to Insert mode is completed." |
953 | :type 'hook | |
8e41a31c | 954 | :group 'viper-hooks) |
7d027816 | 955 | (defcustom viper-replace-state-hook 'viper-restore-cursor-type |
1e70790f MK |
956 | "*Hooks run just before the switch to Replace mode is completed." |
957 | :type 'hook | |
8e41a31c | 958 | :group 'viper-hooks) |
7d027816 | 959 | (defcustom viper-emacs-state-hook 'viper-restore-cursor-type |
1e70790f MK |
960 | "*Hooks run just before the switch to Emacs mode is completed." |
961 | :type 'hook | |
8e41a31c | 962 | :group 'viper-hooks) |
f1097063 | 963 | |
8626cfa2 | 964 | (defcustom viper-load-hook nil |
1e70790f MK |
965 | "Hooks run just after loading Viper." |
966 | :type 'hook | |
8e41a31c | 967 | :group 'viper-hooks) |
f1097063 | 968 | |
7d027816 | 969 | (defun viper-restore-cursor-type () |
bea3997a | 970 | (condition-case nil |
e83d1fe8 | 971 | (if (featurep 'xemacs) |
e2de3a29 | 972 | (set (make-local-variable 'bar-cursor) nil) |
009fdc2e | 973 | (setq cursor-type (default-value 'cursor-type))) |
50a07e18 | 974 | (error nil))) |
7d027816 MK |
975 | |
976 | (defun viper-set-insert-cursor-type () | |
e83d1fe8 | 977 | (if (featurep 'xemacs) |
e2de3a29 | 978 | (set (make-local-variable 'bar-cursor) 2) |
7d027816 MK |
979 | (setq cursor-type '(bar . 2)))) |
980 | ||
42acc581 MK |
981 | (defun viper-ESC-keyseq-timeout () |
982 | "*Key sequence beginning with ESC and separated by no more than this many milliseconds is considered to be generated by a keyboard function key. | |
983 | Setting this too high may slow down switching from insert to vi state. Setting | |
984 | this value too low will make it impossible to use function keys in insert mode | |
985 | on a dumb terminal." | |
986 | (if (viper-window-display-p) | |
987 | 0 viper-fast-keyseq-timeout)) | |
988 | ||
989 | ||
1e70790f | 990 | |
26a7f02f GM |
991 | (provide 'viper-init) |
992 | ||
993 | ||
e2de3a29 MK |
994 | ;; Local Variables: |
995 | ;; eval: (put 'viper-deflocalvar 'lisp-indent-hook 'defun) | |
996 | ;; End: | |
1e70790f | 997 | |
e2de3a29 | 998 | ;; arch-tag: 4efa2416-1fcb-4690-be10-1a2a0248d250 |
60370d40 | 999 | ;;; viper-init.el ends here |