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9b70a748 MK |
1 | ;;; viper-init.el --- some common definitions for Viper |
2 | ||
73b0cd50 | 3 | ;; Copyright (C) 1997-2011 Free Software Foundation, Inc. |
9b70a748 | 4 | |
50a07e18 | 5 | ;; Author: Michael Kifer <kifer@cs.stonybrook.edu> |
bd78fa1d | 6 | ;; Package: viper |
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 | |
72bc50c0 GM |
65 | (defcustom viper-ms-style-os-p |
66 | (memq system-type (if (featurep 'emacs) '(ms-dos windows-nt) | |
67 | '(ms-dos windows-nt windows-95))) | |
68 | "Non-nil if Emacs is running under an MS-style OS: MS-DOS, or MS-Windows." | |
1e70790f MK |
69 | :type 'boolean |
70 | :tag "Is it Microsoft-made OS?" | |
8e41a31c | 71 | :group 'viper-misc) |
1e70790f | 72 | |
ac64a728 MK |
73 | (defcustom viper-suppress-input-method-change-message nil |
74 | "If t, the message notifying about changes in the input method is not displayed. | |
75 | Normally, a message is displayed each time on enters the vi, insert or replace | |
76 | state." | |
77 | :type 'boolean | |
78 | :group 'viper-misc) | |
79 | ||
8626cfa2 | 80 | (defcustom viper-force-faces nil |
9b70a748 | 81 | "If t, Viper will think that it is running on a display that supports faces. |
1e70790f MK |
82 | This is provided as a temporary relief for users of graphics-capable terminals |
83 | that Viper doesn't know about. | |
84 | In all likelihood, you don't need to bother with this setting." | |
85 | :type 'boolean | |
8e41a31c | 86 | :group 'viper-highlighting) |
9b70a748 | 87 | |
8626cfa2 MK |
88 | (defun viper-has-face-support-p () |
89 | (cond ((viper-window-display-p)) | |
90 | (viper-force-faces) | |
3f9526a3 | 91 | ((viper-color-display-p)) |
e83d1fe8 DN |
92 | ((featurep 'emacs) (memq (viper-device-type) '(pc))) |
93 | ((featurep 'xemacs) (memq (viper-device-type) '(tty pc))))) | |
9b70a748 MK |
94 | |
95 | \f | |
96 | ;;; Macros | |
97 | ||
8626cfa2 | 98 | (defmacro viper-deflocalvar (var default-value &optional documentation) |
f1097063 SS |
99 | `(progn |
100 | (defvar ,var ,default-value | |
101 | ,(format "%s\n\(buffer local\)" documentation)) | |
102 | (make-variable-buffer-local ',var))) | |
9b70a748 | 103 | |
34317da2 MK |
104 | ;; (viper-loop COUNT BODY) Execute BODY COUNT times. |
105 | (defmacro viper-loop (count &rest body) | |
f1097063 SS |
106 | `(let ((count ,count)) |
107 | (while (> count 0) | |
108 | ,@body | |
109 | (setq count (1- count))))) | |
9b70a748 | 110 | |
8626cfa2 | 111 | (defmacro viper-buffer-live-p (buf) |
f1097063 SS |
112 | `(and ,buf (get-buffer ,buf) (buffer-name (get-buffer ,buf)))) |
113 | ||
9b70a748 | 114 | ;; return buffer-specific macro definition, given a full macro definition |
8626cfa2 | 115 | (defmacro viper-kbd-buf-alist (macro-elt) |
f1097063 | 116 | `(nth 1 ,macro-elt)) |
9b70a748 | 117 | ;; get a pair: (curr-buffer . macro-definition) |
8626cfa2 | 118 | (defmacro viper-kbd-buf-pair (macro-elt) |
f1097063 | 119 | `(assoc (buffer-name) (viper-kbd-buf-alist ,macro-elt))) |
9b70a748 | 120 | ;; get macro definition for current buffer |
8626cfa2 | 121 | (defmacro viper-kbd-buf-definition (macro-elt) |
f1097063 SS |
122 | `(cdr (viper-kbd-buf-pair ,macro-elt))) |
123 | ||
9b70a748 | 124 | ;; return mode-specific macro definitions, given a full macro definition |
8626cfa2 | 125 | (defmacro viper-kbd-mode-alist (macro-elt) |
f1097063 | 126 | `(nth 2 ,macro-elt)) |
9b70a748 | 127 | ;; get a pair: (major-mode . macro-definition) |
8626cfa2 | 128 | (defmacro viper-kbd-mode-pair (macro-elt) |
f1097063 | 129 | `(assoc major-mode (viper-kbd-mode-alist ,macro-elt))) |
9b70a748 | 130 | ;; get macro definition for the current major mode |
8626cfa2 | 131 | (defmacro viper-kbd-mode-definition (macro-elt) |
f1097063 SS |
132 | `(cdr (viper-kbd-mode-pair ,macro-elt))) |
133 | ||
9b70a748 | 134 | ;; return global macro definition, given a full macro definition |
8626cfa2 | 135 | (defmacro viper-kbd-global-pair (macro-elt) |
f1097063 | 136 | `(nth 3 ,macro-elt)) |
9b70a748 | 137 | ;; get global macro definition from an elt of macro-alist |
8626cfa2 | 138 | (defmacro viper-kbd-global-definition (macro-elt) |
f1097063 SS |
139 | `(cdr (viper-kbd-global-pair ,macro-elt))) |
140 | ||
9b70a748 | 141 | ;; last elt of a sequence |
8626cfa2 | 142 | (defsubst viper-seq-last-elt (seq) |
9b70a748 | 143 | (elt seq (1- (length seq)))) |
34317da2 MK |
144 | |
145 | (defsubst viper-string-to-list (string) | |
146 | (append (vconcat string) nil)) | |
147 | ||
148 | (defsubst viper-charlist-to-string (list) | |
149 | (mapconcat 'char-to-string list "")) | |
150 | ||
151 | ;; like char-after/before, but saves typing | |
152 | (defun viper-char-at-pos (direction &optional offset) | |
153 | (or (integerp offset) (setq offset 0)) | |
154 | (if (eq direction 'forward) | |
155 | (char-after (+ (point) offset)) | |
156 | (char-before (- (point) offset)))) | |
f1097063 | 157 | |
9b70a748 | 158 | \f |
8626cfa2 MK |
159 | (defvar viper-minibuffer-overlay-priority 300) |
160 | (defvar viper-replace-overlay-priority 400) | |
161 | (defvar viper-search-overlay-priority 500) | |
f1097063 | 162 | |
9b70a748 MK |
163 | \f |
164 | ;;; Viper minor modes | |
165 | ||
9b70a748 | 166 | ;; Mode for vital things like \e, C-z. |
8626cfa2 | 167 | (viper-deflocalvar viper-vi-intercept-minor-mode nil) |
9b70a748 | 168 | |
8626cfa2 | 169 | (viper-deflocalvar viper-vi-basic-minor-mode nil |
9b70a748 | 170 | "Viper's minor mode for Vi bindings.") |
f1097063 | 171 | |
8626cfa2 | 172 | (viper-deflocalvar viper-vi-local-user-minor-mode nil |
9b70a748 MK |
173 | "Auxiliary minor mode for user-defined local bindings in Vi state.") |
174 | ||
8626cfa2 | 175 | (viper-deflocalvar viper-vi-global-user-minor-mode nil |
9b70a748 MK |
176 | "Auxiliary minor mode for user-defined global bindings in Vi state.") |
177 | ||
8626cfa2 | 178 | (viper-deflocalvar viper-vi-state-modifier-minor-mode nil |
9b70a748 MK |
179 | "Minor mode used to make major-mode-specific modification to Vi state.") |
180 | ||
8626cfa2 | 181 | (viper-deflocalvar viper-vi-diehard-minor-mode nil |
9b70a748 MK |
182 | "This minor mode is in effect when the user wants Viper to be Vi.") |
183 | ||
8626cfa2 | 184 | (viper-deflocalvar viper-vi-kbd-minor-mode nil |
9b70a748 MK |
185 | "Minor mode for Ex command macros in Vi state. |
186 | The corresponding keymap stores key bindings of Vi macros defined with | |
187 | the Ex command :map.") | |
188 | ||
189 | ;; Mode for vital things like \e, C-z. | |
8626cfa2 | 190 | (viper-deflocalvar viper-insert-intercept-minor-mode nil) |
9b70a748 | 191 | |
8626cfa2 | 192 | (viper-deflocalvar viper-insert-basic-minor-mode nil |
9b70a748 MK |
193 | "Viper's minor mode for bindings in Insert mode.") |
194 | ||
8626cfa2 | 195 | (viper-deflocalvar viper-insert-local-user-minor-mode nil |
9b70a748 MK |
196 | "Auxiliary minor mode for buffer-local user-defined bindings in Insert state. |
197 | This is a way to overshadow normal Insert mode bindings locally to certain | |
198 | designated buffers.") | |
199 | ||
8626cfa2 | 200 | (viper-deflocalvar viper-insert-global-user-minor-mode nil |
9b70a748 MK |
201 | "Auxiliary minor mode for global user-defined bindings in Insert state.") |
202 | ||
8626cfa2 | 203 | (viper-deflocalvar viper-insert-state-modifier-minor-mode nil |
9b70a748 MK |
204 | "Minor mode used to make major-mode-specific modification to Insert state.") |
205 | ||
8626cfa2 | 206 | (viper-deflocalvar viper-insert-diehard-minor-mode nil |
9b70a748 MK |
207 | "Minor mode that simulates Vi very closely. |
208 | Not recommened, except for the novice user.") | |
209 | ||
8626cfa2 | 210 | (viper-deflocalvar viper-insert-kbd-minor-mode nil |
9b70a748 MK |
211 | "Minor mode for Ex command macros Insert state. |
212 | The corresponding keymap stores key bindings of Vi macros defined with | |
213 | the Ex command :map!.") | |
214 | ||
8626cfa2 | 215 | (viper-deflocalvar viper-replace-minor-mode nil |
9b70a748 MK |
216 | "Minor mode in effect in replace state (cw, C, and the like commands).") |
217 | ||
328b4b70 | 218 | ;; Mode for vital things like \C-z and \C-x) This is set to t, when viper-mode |
3af0304a MK |
219 | ;; is invoked. So, any new buffer will have C-z defined as switch to Vi, |
220 | ;; unless we switched states in this buffer | |
328b4b70 | 221 | (viper-deflocalvar viper-emacs-intercept-minor-mode nil) |
f1097063 | 222 | |
328b4b70 | 223 | (viper-deflocalvar viper-emacs-local-user-minor-mode nil |
9b70a748 MK |
224 | "Minor mode for local user bindings effective in Emacs state. |
225 | Users can use it to override Emacs bindings when Viper is in its Emacs | |
f1097063 SS |
226 | state.") |
227 | ||
328b4b70 | 228 | (viper-deflocalvar viper-emacs-global-user-minor-mode nil |
9b70a748 MK |
229 | "Minor mode for global user bindings in effect in Emacs state. |
230 | Users can use it to override Emacs bindings when Viper is in its Emacs | |
f1097063 | 231 | state.") |
9b70a748 | 232 | |
328b4b70 | 233 | (viper-deflocalvar viper-emacs-kbd-minor-mode nil |
9b70a748 MK |
234 | "Minor mode for Vi style macros in Emacs state. |
235 | The corresponding keymap stores key bindings of Vi macros defined with | |
3af0304a | 236 | `viper-record-kbd-macro' command. There is no Ex-level command to do this |
9b70a748 MK |
237 | interactively.") |
238 | ||
328b4b70 | 239 | (viper-deflocalvar viper-emacs-state-modifier-minor-mode nil |
9b70a748 MK |
240 | "Minor mode used to make major-mode-specific modification to Emacs state. |
241 | For instance, a Vi purist may want to bind `dd' in Dired mode to a function | |
242 | that deletes a file.") | |
243 | ||
8626cfa2 | 244 | (viper-deflocalvar viper-vi-minibuffer-minor-mode nil |
9b70a748 MK |
245 | "Minor mode that forces Vi-style when the Minibuffer is in Vi state.") |
246 | ||
8626cfa2 | 247 | (viper-deflocalvar viper-insert-minibuffer-minor-mode nil |
9b70a748 | 248 | "Minor mode that forces Vi-style when the Minibuffer is in Insert state.") |
f1097063 | 249 | |
9b70a748 MK |
250 | \f |
251 | ||
252 | ;; Some common error messages | |
253 | ||
8626cfa2 MK |
254 | (defconst viper-SpuriousText "Spurious text after command" "") |
255 | (defconst viper-BadExCommand "Not an editor command" "") | |
256 | (defconst viper-InvalidCommandArgument "Invalid command argument" "") | |
257 | (defconst viper-NoPrevSearch "No previous search string" "") | |
258 | (defconst viper-EmptyRegister "`%c': Nothing in this register" "") | |
259 | (defconst viper-InvalidRegister "`%c': Invalid register" "") | |
260 | (defconst viper-EmptyTextmarker "`%c': Text marker doesn't point anywhere" "") | |
261 | (defconst viper-InvalidTextmarker "`%c': Invalid text marker" "") | |
262 | (defconst viper-InvalidViCommand "Invalid command" "") | |
263 | (defconst viper-BadAddress "Ill-formed address" "") | |
264 | (defconst viper-FirstAddrExceedsSecond "First address exceeds second" "") | |
265 | (defconst viper-NoFileSpecified "No file specified" "") | |
9b70a748 | 266 | |
f1097063 | 267 | ;; Is t until viper-mode executes for the very first time. |
9b70a748 | 268 | ;; Prevents recursive descend into startup messages. |
8626cfa2 | 269 | (defvar viper-first-time t) |
9b70a748 | 270 | |
8626cfa2 | 271 | (defvar viper-expert-level (if (boundp 'viper-expert-level) viper-expert-level 0) |
9b70a748 | 272 | "User's expert level. |
8626cfa2 MK |
273 | The minor mode viper-vi-diehard-minor-mode is in effect when |
274 | viper-expert-level is 1 or 2 or when viper-want-emacs-keys-in-vi is t. | |
275 | The minor mode viper-insert-diehard-minor-mode is in effect when | |
276 | viper-expert-level is 1 or 2 or if viper-want-emacs-keys-in-insert is t. | |
1e70790f | 277 | Use `M-x viper-set-expert-level' to change this.") |
9b70a748 | 278 | |
3af0304a | 279 | ;; Max expert level supported by Viper. This is NOT a user option. |
9b70a748 | 280 | ;; It is here to make it hard for the user from resetting it. |
1e70790f | 281 | (defconst viper-max-expert-level 5) |
9b70a748 | 282 | |
9b70a748 | 283 | |
34317da2 MK |
284 | ;;; ISO characters and MULE |
285 | ||
286 | ;; If non-nil, ISO accents will be turned on in insert/replace emacs states and | |
287 | ;; turned off in vi-state. For some users, this behavior may be too | |
3af0304a | 288 | ;; primitive. In this case, use insert/emacs/vi state hooks. |
8626cfa2 | 289 | (viper-deflocalvar viper-automatic-iso-accents nil "") |
3af0304a | 290 | ;; Set iso-accents-mode to ARG. Check if it is bound first |
34317da2 MK |
291 | (defsubst viper-set-iso-accents-mode (arg) |
292 | (if (boundp 'iso-accents-mode) | |
293 | (setq iso-accents-mode arg))) | |
f1097063 | 294 | |
34317da2 MK |
295 | ;; Internal flag used to control when viper mule hooks are run. |
296 | ;; Don't change this! | |
297 | (defvar viper-mule-hook-flag t) | |
3af0304a | 298 | ;; If non-nil, the default intl. input method is turned on. |
34317da2 | 299 | (viper-deflocalvar viper-special-input-method nil "") |
f1097063 | 300 | |
34317da2 MK |
301 | ;; viper hook to run on input-method activation |
302 | (defun viper-activate-input-method-action () | |
303 | (if (null viper-mule-hook-flag) | |
304 | () | |
305 | (setq viper-special-input-method t) | |
306 | ;; turn off special input methods in vi-state | |
307 | (if (eq viper-current-state 'vi-state) | |
308 | (viper-set-input-method nil)) | |
ac64a728 MK |
309 | (if (and (memq viper-current-state '(vi-state insert-state replace-state)) |
310 | (not viper-suppress-input-method-change-message)) | |
34317da2 MK |
311 | (message "Viper special input method%s: on" |
312 | (if (or current-input-method default-input-method) | |
f1097063 | 313 | (format " %S" |
34317da2 MK |
314 | (or current-input-method default-input-method)) |
315 | ""))) | |
316 | )) | |
2eb4bdca | 317 | |
34317da2 MK |
318 | ;; viper hook to run on input-method deactivation |
319 | (defun viper-inactivate-input-method-action () | |
320 | (if (null viper-mule-hook-flag) | |
321 | () | |
322 | (setq viper-special-input-method nil) | |
ac64a728 MK |
323 | (if (and (memq viper-current-state '(vi-state insert-state replace-state)) |
324 | (not viper-suppress-input-method-change-message)) | |
34317da2 MK |
325 | (message "Viper special input method%s: off" |
326 | (if (or current-input-method default-input-method) | |
327 | (format " %S" | |
328 | (or current-input-method default-input-method)) | |
329 | ""))))) | |
330 | ||
331 | (defun viper-inactivate-input-method () | |
e83d1fe8 | 332 | (cond ((and (featurep 'emacs) (fboundp 'inactivate-input-method)) |
34317da2 | 333 | (inactivate-input-method)) |
e83d1fe8 | 334 | ((and (featurep 'xemacs) (boundp 'current-input-method)) |
ce8fc80b | 335 | ;; XEmacs had broken quail-mode for some time, so we are working around |
f1097063 | 336 | ;; it here |
34317da2 MK |
337 | (setq quail-mode nil) |
338 | (if (featurep 'quail) | |
339 | (quail-delete-overlays)) | |
340 | (setq describe-current-input-method-function nil) | |
341 | (setq current-input-method nil) | |
342 | (run-hooks 'input-method-inactivate-hook) | |
343 | (force-mode-line-update)) | |
344 | )) | |
345 | (defun viper-activate-input-method () | |
e83d1fe8 | 346 | (cond ((and (featurep 'emacs) (fboundp 'activate-input-method)) |
34317da2 | 347 | (activate-input-method default-input-method)) |
b674ceaf RS |
348 | ((featurep 'xemacs) |
349 | (if (fboundp 'quail-mode) (quail-mode 1))))) | |
34317da2 MK |
350 | |
351 | ;; Set quail-mode to ARG | |
352 | (defun viper-set-input-method (arg) | |
353 | (setq viper-mule-hook-flag t) ; just a precaution | |
ac64a728 | 354 | (let (viper-mule-hook-flag) ; temporarily deactivate viper mule hooks |
34317da2 MK |
355 | (cond ((and arg (> (prefix-numeric-value arg) 0) default-input-method) |
356 | ;; activate input method | |
357 | (viper-activate-input-method)) | |
358 | (t ; deactivate input method | |
359 | (viper-inactivate-input-method))) | |
360 | )) | |
361 | ||
9b70a748 MK |
362 | |
363 | ;; VI-style Undo | |
364 | ||
365 | ;; Used to 'undo' complex commands, such as replace and insert commands. | |
8626cfa2 MK |
366 | (viper-deflocalvar viper-undo-needs-adjustment nil) |
367 | (put 'viper-undo-needs-adjustment 'permanent-local t) | |
9b70a748 MK |
368 | |
369 | ;; A mark that Viper puts on buffer-undo-list. Marks the beginning of a | |
3af0304a | 370 | ;; complex command that must be undone atomically. If inserted, it is |
8626cfa2 MK |
371 | ;; erased by viper-change-state-to-vi and viper-repeat. |
372 | (defconst viper-buffer-undo-list-mark 'viper) | |
9b70a748 | 373 | |
8626cfa2 | 374 | (defcustom viper-keep-point-on-undo nil |
9b70a748 | 375 | "*Non-nil means not to move point while undoing commands. |
3af0304a | 376 | This style is different from Emacs and Vi. Try it to see if |
1e70790f MK |
377 | it better fits your working style." |
378 | :type 'boolean | |
379 | :tag "Preserve Position of Point After Undo" | |
f1097063 | 380 | :group 'viper) |
9b70a748 MK |
381 | |
382 | ;; Replace mode and changing text | |
383 | ||
2eb4bdca | 384 | ;; Hack used to pass global states around for short period of time |
8626cfa2 MK |
385 | (viper-deflocalvar viper-intermediate-command nil "") |
386 | ||
387 | ;; This is used to pass the right Vi command key sequence to | |
388 | ;; viper-set-destructive-command whenever (this-command-keys) doesn't give the | |
3af0304a MK |
389 | ;; right result. For instance, in commands like c/bla<RET>, |
390 | ;; (this-command-keys) will return ^M, which invoked exit-minibuffer, while we | |
f1097063 | 391 | ;; need "c/" |
8626cfa2 | 392 | (defconst viper-this-command-keys nil) |
9b70a748 MK |
393 | |
394 | ;; Indicates that the current destructive command has started in replace mode. | |
8626cfa2 | 395 | (viper-deflocalvar viper-began-as-replace nil "") |
9b70a748 | 396 | |
8626cfa2 | 397 | (defcustom viper-allow-multiline-replace-regions t |
9b70a748 MK |
398 | "If non-nil, Viper will allow multi-line replace regions. |
399 | This is an extension to standard Vi. | |
400 | If nil, commands that attempt to replace text spanning multiple lines first | |
1e70790f MK |
401 | delete the text being replaced, as in standard Vi." |
402 | :type 'boolean | |
403 | :group 'viper) | |
404 | ||
8626cfa2 | 405 | (defcustom viper-replace-overlay-cursor-color "Red" |
1e70790f MK |
406 | "*Cursor color when Viper is in Replace state." |
407 | :type 'string | |
408 | :group 'viper) | |
38685583 | 409 | |
8626cfa2 | 410 | (defcustom viper-insert-state-cursor-color "Green" |
1e70790f MK |
411 | "Cursor color when Viper is in insert state." |
412 | :type 'string | |
413 | :group 'viper) | |
9b70a748 | 414 | |
83f49acb MK |
415 | ;; viper-emacs-state-cursor-color doesn't work well. Causes cursor colors to be |
416 | ;; confused in some cases. So, this var is nulled for now. | |
417 | ;; (defcustom viper-emacs-state-cursor-color "Magenta" | |
418 | (defcustom viper-emacs-state-cursor-color nil | |
a6fb441a | 419 | "Cursor color when Viper is in Emacs state." |
b6178721 MK |
420 | :type 'string |
421 | :group 'viper) | |
b6178721 | 422 | |
3af0304a MK |
423 | ;; internal var, used to remember the default cursor color of emacs frames |
424 | (defvar viper-vi-state-cursor-color nil) | |
cbfcb1d0 | 425 | |
ce8fc80b GM |
426 | ;; Frame-local variables are obsolete from Emacs 22.2 onwards, so we |
427 | ;; do it by hand with viper-frame-value (qv). | |
428 | (when (and (featurep 'xemacs) | |
429 | (fboundp 'make-variable-frame-local)) | |
430 | (make-variable-frame-local 'viper-replace-overlay-cursor-color) | |
431 | (make-variable-frame-local 'viper-insert-state-cursor-color) | |
432 | (make-variable-frame-local 'viper-emacs-state-cursor-color) | |
433 | (make-variable-frame-local 'viper-vi-state-cursor-color)) | |
f1097063 | 434 | |
8626cfa2 MK |
435 | (viper-deflocalvar viper-replace-overlay nil "") |
436 | (put 'viper-replace-overlay 'permanent-local t) | |
9b70a748 | 437 | |
8626cfa2 | 438 | (defcustom viper-replace-region-end-delimiter "$" |
9b70a748 | 439 | "A string marking the end of replacement regions. |
8626cfa2 | 440 | It is used only with TTYs or if `viper-use-replace-region-delimiters' |
1e70790f MK |
441 | is non-nil." |
442 | :type 'string | |
443 | :group 'viper) | |
8626cfa2 | 444 | (defcustom viper-replace-region-start-delimiter "" |
9b70a748 | 445 | "A string marking the beginning of replacement regions. |
8626cfa2 | 446 | It is used only with TTYs or if `viper-use-replace-region-delimiters' |
1e70790f MK |
447 | is non-nil." |
448 | :type 'string | |
449 | :group 'viper) | |
f1097063 | 450 | (defcustom viper-use-replace-region-delimiters |
96dffd25 | 451 | (or (not (viper-has-face-support-p)) |
e83d1fe8 | 452 | (and (featurep 'xemacs) (eq (viper-device-type) 'tty))) |
8626cfa2 MK |
453 | "*If non-nil, Viper will always use `viper-replace-region-end-delimiter' and |
454 | `viper-replace-region-start-delimiter' to delimit replacement regions, even on | |
3af0304a | 455 | color displays. By default, the delimiters are used only on TTYs." |
1e70790f MK |
456 | :type 'boolean |
457 | :group 'viper) | |
3af0304a MK |
458 | |
459 | (defcustom viper-read-buffer-function 'read-buffer | |
460 | "Function to use for prompting the user for a buffer name." | |
461 | :type 'symbol | |
462 | :group 'viper) | |
f1097063 | 463 | |
9b70a748 | 464 | ;; XEmacs requires glyphs |
ce8fc80b GM |
465 | (when (featurep 'xemacs) |
466 | (or (glyphp viper-replace-region-end-delimiter) | |
467 | (setq viper-replace-region-end-delimiter | |
468 | (make-glyph viper-replace-region-end-delimiter))) | |
469 | (or (glyphp viper-replace-region-start-delimiter) | |
470 | (setq viper-replace-region-start-delimiter | |
471 | (make-glyph viper-replace-region-start-delimiter)))) | |
f1097063 | 472 | |
9b70a748 | 473 | ;; These are local marker that must be initialized to nil and moved with |
8626cfa2 | 474 | ;; `viper-move-marker-locally' |
9b70a748 MK |
475 | ;; |
476 | ;; Remember the last position inside the replace region. | |
8626cfa2 | 477 | (viper-deflocalvar viper-last-posn-in-replace-region nil) |
9b70a748 | 478 | ;; Remember the last position while inserting |
8626cfa2 MK |
479 | (viper-deflocalvar viper-last-posn-while-in-insert-state nil) |
480 | (put 'viper-last-posn-in-replace-region 'permanent-local t) | |
481 | (put 'viper-last-posn-while-in-insert-state 'permanent-local t) | |
9b70a748 | 482 | |
8626cfa2 MK |
483 | (viper-deflocalvar viper-sitting-in-replace nil "") |
484 | (put 'viper-sitting-in-replace 'permanent-local t) | |
f1097063 | 485 | |
9b70a748 MK |
486 | ;; Remember the number of characters that have to be deleted in replace |
487 | ;; mode to compensate for the inserted characters. | |
8626cfa2 | 488 | (viper-deflocalvar viper-replace-chars-to-delete 0 "") |
34317da2 | 489 | ;; This variable is used internally by the before/after changed functions to |
3af0304a | 490 | ;; determine how many chars were deleted by the change. This can't be |
34317da2 MK |
491 | ;; determined inside after-change-functions because those get the length of the |
492 | ;; deleted region, not the number of chars deleted (which are two different | |
493 | ;; things under MULE). | |
494 | (viper-deflocalvar viper-replace-region-chars-deleted 0 "") | |
9b70a748 MK |
495 | |
496 | ;; Insertion ring and command ring | |
8626cfa2 | 497 | (defcustom viper-insertion-ring-size 14 |
1e70790f MK |
498 | "The size of history of inserted text. |
499 | This is a list where Viper keeps the history of previously inserted pieces of | |
500 | text." | |
501 | :type 'integer | |
8e41a31c | 502 | :group 'viper-misc) |
9b70a748 | 503 | ;; The insertion ring. |
8626cfa2 | 504 | (defvar viper-insertion-ring nil) |
3af0304a | 505 | ;; This is temp insertion ring. Used to do rotation for display purposes. |
8626cfa2 MK |
506 | ;; When rotation just started, it is initialized to viper-insertion-ring. |
507 | (defvar viper-temp-insertion-ring nil) | |
508 | (defvar viper-last-inserted-string-from-insertion-ring "") | |
9b70a748 | 509 | |
8626cfa2 | 510 | (defcustom viper-command-ring-size 14 |
1e70790f MK |
511 | "The size of history of Vi commands repeatable with dot." |
512 | :type 'integer | |
8e41a31c | 513 | :group 'viper-misc) |
9b70a748 | 514 | ;; The command ring. |
8626cfa2 | 515 | (defvar viper-command-ring nil) |
3af0304a | 516 | ;; This is temp command ring. Used to do rotation for display purposes. |
8626cfa2 MK |
517 | ;; When rotation just started, it is initialized to viper-command-ring. |
518 | (defvar viper-temp-command-ring nil) | |
9b70a748 | 519 | |
1e70790f | 520 | ;; Fast keyseq and ESC keyseq timeouts |
8626cfa2 | 521 | (defcustom viper-fast-keyseq-timeout 200 |
1e70790f | 522 | "*Key sequence separated by no more than this many milliseconds is viewed as a Vi-style macro, if such a macro is defined. |
3af0304a | 523 | Setting this too high may slow down your typing. Setting this value too low |
751d3bc4 | 524 | will make it hard to use Vi-style timeout macros." |
1e70790f | 525 | :type 'integer |
8e41a31c | 526 | :group 'viper-misc) |
1e70790f | 527 | |
8c3ad6c4 MK |
528 | ;; This function determines if ESC key sequences are to be translated into |
529 | ;; commands. | |
530 | (defun viper-translate-all-ESC-keysequences () | |
531 | (not (viper-window-display-p))) | |
55d7ff38 | 532 | |
9b70a748 MK |
533 | ;; Modes and related variables |
534 | ||
535 | ;; Current mode. One of: `emacs-state', `vi-state', `insert-state' | |
8626cfa2 | 536 | (viper-deflocalvar viper-current-state 'emacs-state) |
9b70a748 MK |
537 | |
538 | ||
539 | ;; Autoindent in insert | |
540 | ||
541 | ;; Variable that keeps track of whether C-t has been pressed. | |
8626cfa2 | 542 | (viper-deflocalvar viper-cted nil "") |
9b70a748 MK |
543 | |
544 | ;; Preserve the indent value, used by C-d in insert mode. | |
8626cfa2 | 545 | (viper-deflocalvar viper-current-indent 0) |
9b70a748 MK |
546 | |
547 | ;; Whether to preserve the indent, used by C-d in insert mode. | |
8626cfa2 | 548 | (viper-deflocalvar viper-preserve-indent nil) |
9b70a748 | 549 | |
8626cfa2 MK |
550 | (viper-deflocalvar viper-auto-indent nil "") |
551 | (defcustom viper-auto-indent nil | |
1e70790f MK |
552 | "*Enable autoindent, if t. |
553 | This is a buffer-local variable." | |
554 | :type 'boolean | |
555 | :group 'viper) | |
556 | ||
8626cfa2 MK |
557 | (viper-deflocalvar viper-electric-mode t "") |
558 | (defcustom viper-electric-mode t | |
1e70790f MK |
559 | "*If t, electrify Viper. |
560 | Currently, this only electrifies auto-indentation, making it appropriate to the | |
561 | mode of the buffer. | |
562 | This means that auto-indentation will depart from standard Vi and will indent | |
3af0304a | 563 | appropriate to the mode of the buffer. This is especially useful for editing |
1e70790f MK |
564 | programs and LaTeX documents." |
565 | :type 'boolean | |
566 | :group 'viper) | |
567 | ||
8626cfa2 | 568 | (defcustom viper-shift-width 8 |
2eb4bdca MK |
569 | "*The value of the shiftwidth. |
570 | This determines the number of columns by which the Ctl-t moves the cursor in | |
571 | the Insert state." | |
1e70790f MK |
572 | :type 'integer |
573 | :group 'viper) | |
9b70a748 MK |
574 | |
575 | ;; Variables for repeating destructive commands | |
576 | ||
8626cfa2 | 577 | (defcustom viper-keep-point-on-repeat t |
9b70a748 MK |
578 | "*If t, don't move point when repeating previous command. |
579 | This is useful for doing repeated changes with the '.' key. | |
580 | The user can change this to nil, if she likes when the cursor moves | |
1e70790f MK |
581 | to a new place after repeating previous Vi command." |
582 | :type 'boolean | |
f1097063 | 583 | :group 'viper) |
9b70a748 MK |
584 | |
585 | ;; Remember insert point as a marker. This is a local marker that must be | |
8626cfa2 MK |
586 | ;; initialized to nil and moved with `viper-move-marker-locally'. |
587 | (viper-deflocalvar viper-insert-point nil) | |
588 | (put 'viper-insert-point 'permanent-local t) | |
9b70a748 MK |
589 | |
590 | ;; This remembers the point before dabbrev-expand was called. | |
8626cfa2 MK |
591 | ;; If viper-insert-point turns out to be bigger than that, it is reset |
592 | ;; back to viper-pre-command-point. | |
9b70a748 MK |
593 | ;; The reason this is needed is because dabbrev-expand (and possibly |
594 | ;; others) may jump to before the insertion point, delete something and | |
3af0304a | 595 | ;; then reinsert a bigger piece. For instance: bla^blo |
8626cfa2 | 596 | ;; If dabbrev-expand is called after `blo' and ^ undicates viper-insert-point, |
3af0304a MK |
597 | ;; then point jumps to the beginning of `blo'. If expansion is found, `blablo' |
598 | ;; is deleted, and we have |^, where | denotes point. Next, dabbrev-expand | |
9b70a748 MK |
599 | ;; will insert the expansion, and we get: blablo^ |
600 | ;; Whatever we insert next goes before the ^, i.e., before the | |
3af0304a MK |
601 | ;; viper-insert-point marker. So, Viper will think that nothing was |
602 | ;; inserted. Remembering the orig position of the marker circumvents the | |
9b70a748 MK |
603 | ;; problem. |
604 | ;; We don't know of any command, except dabbrev-expand, that has the same | |
3af0304a | 605 | ;; problem. However, the same trick can be used if such a command is |
9b70a748 MK |
606 | ;; discovered later. |
607 | ;; | |
8626cfa2 MK |
608 | (viper-deflocalvar viper-pre-command-point nil) |
609 | (put 'viper-pre-command-point 'permanent-local t) ; this is probably an overkill | |
9b70a748 MK |
610 | |
611 | ;; This is used for saving inserted text. | |
8626cfa2 | 612 | (defvar viper-last-insertion nil) |
f1097063 | 613 | |
9b70a748 | 614 | ;; Remembers the last replaced region. |
8626cfa2 | 615 | (defvar viper-last-replace-region "") |
f1097063 | 616 | |
9b70a748 | 617 | ;; Remember com point as a marker. |
3af0304a | 618 | ;; This is a local marker. Should be moved with `viper-move-marker-locally' |
8626cfa2 | 619 | (viper-deflocalvar viper-com-point nil) |
9b70a748 MK |
620 | |
621 | ;; If non-nil, the value is a list (M-COM VAL COM REG inserted-text cmd-keys) | |
622 | ;; It is used to re-execute last destructive command. | |
623 | ;; M-COM is a Lisp symbol representing the function to be executed. | |
624 | ;; VAL is the prefix argument that was used with that command. | |
625 | ;; COM is an internal descriptor, such as ?r, ?c, ?C, which contains | |
626 | ;; additional information on how the function in M-COM is to be handled. | |
627 | ;; REG is the register used by command | |
628 | ;; INSERTED-TEXT is text inserted by that command (in case of o, c, C, i, r | |
629 | ;; commands). | |
630 | ;; COMMAND-KEYS are the keys that were typed to invoke the command. | |
8626cfa2 | 631 | (defvar viper-d-com nil) |
9b70a748 MK |
632 | |
633 | ;; The character remembered by the Vi `r' command. | |
8626cfa2 | 634 | (defvar viper-d-char nil) |
9b70a748 MK |
635 | |
636 | ;; Name of register to store deleted or yanked strings | |
8626cfa2 | 637 | (defvar viper-use-register nil) |
9b70a748 MK |
638 | |
639 | ||
34317da2 | 640 | ;;; Variables for Moves and Searches |
9b70a748 | 641 | |
8e41a31c MK |
642 | (defgroup viper-search nil |
643 | "Variables that define the search and query-replace behavior of Viper." | |
644 | :prefix "viper-" | |
645 | :group 'viper) | |
646 | ||
9b70a748 | 647 | ;; For use by `;' command. |
8626cfa2 | 648 | (defvar viper-f-char nil) |
9b70a748 MK |
649 | |
650 | ;; For use by `.' command. | |
8626cfa2 | 651 | (defvar viper-F-char nil) |
9b70a748 MK |
652 | |
653 | ;; For use by `;' command. | |
8626cfa2 | 654 | (defvar viper-f-forward nil) |
9b70a748 MK |
655 | |
656 | ;; For use by `;' command. | |
8626cfa2 | 657 | (defvar viper-f-offset nil) |
9b70a748 MK |
658 | |
659 | ;; Last search string | |
8626cfa2 | 660 | (defvar viper-s-string "") |
9b70a748 | 661 | |
8626cfa2 | 662 | (defcustom viper-quote-string "> " |
1e70790f MK |
663 | "String inserted at the beginning of quoted region." |
664 | :type 'string | |
665 | :group 'viper) | |
9b70a748 MK |
666 | |
667 | ;; If t, search is forward. | |
8626cfa2 | 668 | (defvar viper-s-forward nil) |
9b70a748 | 669 | |
8626cfa2 | 670 | (defcustom viper-case-fold-search nil |
1e70790f MK |
671 | "*If not nil, search ignores cases." |
672 | :type 'boolean | |
8e41a31c | 673 | :group 'viper-search) |
9b70a748 | 674 | |
8626cfa2 | 675 | (defcustom viper-re-search t |
1e70790f MK |
676 | "*If not nil, search is regexp search, otherwise vanilla search." |
677 | :type 'boolean | |
678 | :tag "Regexp Search" | |
8e41a31c | 679 | :group 'viper-search) |
9b70a748 | 680 | |
8626cfa2 | 681 | (defcustom viper-search-scroll-threshold 2 |
9b70a748 MK |
682 | "*If search lands within this threshnold from the window top/bottom, |
683 | the window will be scrolled up or down appropriately, to reveal context. | |
684 | If you want Viper search to behave as usual in Vi, set this variable to a | |
1e70790f MK |
685 | negative number." |
686 | :type 'boolean | |
8e41a31c | 687 | :group 'viper-search) |
1e70790f | 688 | |
8626cfa2 | 689 | (defcustom viper-re-query-replace t |
1e70790f MK |
690 | "*If t then do regexp replace, if nil then do string replace." |
691 | :type 'boolean | |
692 | :tag "Regexp Query Replace" | |
8e41a31c | 693 | :group 'viper-search) |
1e70790f | 694 | |
8626cfa2 | 695 | (defcustom viper-re-replace t |
3af0304a | 696 | "*If t, do regexp replace. nil means do string replace." |
1e70790f MK |
697 | :type 'boolean |
698 | :tag "Regexp Replace" | |
8e41a31c | 699 | :group 'viper-search) |
1e70790f | 700 | |
8626cfa2 | 701 | (defcustom viper-parse-sexp-ignore-comments t |
1e70790f MK |
702 | "*If t, `%' ignores the parentheses that occur inside comments." |
703 | :type 'boolean | |
704 | :group 'viper) | |
705 | ||
8626cfa2 MK |
706 | (viper-deflocalvar viper-ex-style-motion t "") |
707 | (defcustom viper-ex-style-motion t | |
1e70790f MK |
708 | "*If t, the commands l,h do not cross lines, etc (Ex-style). |
709 | If nil, these commands cross line boundaries." | |
710 | :type 'boolean | |
711 | :group 'viper) | |
712 | ||
34317da2 MK |
713 | (viper-deflocalvar viper-ex-style-editing t "") |
714 | (defcustom viper-ex-style-editing t | |
715 | "*If t, Ex-style behavior while editing in Vi command and insert states. | |
716 | `Backspace' and `Delete' don't cross line boundaries in insert. | |
717 | `X' and `x' can't delete characters across line boundary in Vi, etc. | |
1e70790f | 718 | Note: this doesn't preclude `Backspace' and `Delete' from deleting characters |
3af0304a | 719 | by moving past the insertion point. This is a feature, not a bug. |
34317da2 MK |
720 | |
721 | If nil, the above commands can work across lines." | |
1e70790f MK |
722 | :type 'boolean |
723 | :group 'viper) | |
724 | ||
34317da2 | 725 | (viper-deflocalvar viper-ESC-moves-cursor-back viper-ex-style-editing "") |
8626cfa2 | 726 | (defcustom viper-ESC-moves-cursor-back nil |
1e70790f | 727 | "*If t, ESC moves cursor back when changing from insert to vi state. |
34317da2 | 728 | If nil, the cursor stays where it was when ESC was hit." |
1e70790f MK |
729 | :type 'boolean |
730 | :group 'viper) | |
731 | ||
8626cfa2 MK |
732 | (viper-deflocalvar viper-delete-backwards-in-replace nil "") |
733 | (defcustom viper-delete-backwards-in-replace nil | |
9b70a748 | 734 | "*If t, DEL key will delete characters while moving the cursor backwards. |
1e70790f MK |
735 | If nil, the cursor will move backwards without deleting anything." |
736 | :type 'boolean | |
737 | :group 'viper) | |
738 | ||
8626cfa2 | 739 | (defcustom viper-buffer-search-char nil |
3af0304a | 740 | "*Key used for buffer-searching. Must be a character type, e.g., ?g." |
1e70790f | 741 | :type '(choice (const nil) character) |
8e41a31c | 742 | :group 'viper-search) |
1e70790f | 743 | |
a5254f37 | 744 | (defcustom viper-search-wrap-around t |
1e70790f MK |
745 | "*If t, search wraps around." |
746 | :type 'boolean | |
747 | :tag "Search Wraps Around" | |
8e41a31c | 748 | :group 'viper-search) |
f1097063 | 749 | |
8626cfa2 MK |
750 | (viper-deflocalvar viper-related-files-and-buffers-ring nil "") |
751 | (defcustom viper-related-files-and-buffers-ring nil | |
1e70790f MK |
752 | "*List of file and buffer names that are considered to be related to the current buffer. |
753 | Related buffers can be cycled through via :R and :P commands." | |
754 | :type 'boolean | |
8e41a31c | 755 | :group 'viper-misc) |
8626cfa2 | 756 | (put 'viper-related-files-and-buffers-ring 'permanent-local t) |
9b70a748 MK |
757 | |
758 | ;; Used to find out if we are done with searching the current buffer. | |
8626cfa2 | 759 | (viper-deflocalvar viper-local-search-start-marker nil) |
9b70a748 | 760 | ;; As above, but global |
8626cfa2 | 761 | (defvar viper-search-start-marker (make-marker)) |
9b70a748 MK |
762 | |
763 | ;; the search overlay | |
8626cfa2 | 764 | (viper-deflocalvar viper-search-overlay nil) |
9b70a748 MK |
765 | |
766 | ||
f1097063 | 767 | (defvar viper-heading-start |
9b70a748 MK |
768 | (concat "^\\s-*(\\s-*defun\\s-\\|" ; lisp |
769 | "^{\\s-*$\\|^[_a-zA-Z][^()]*[()].*{\\s-*$\\|" ; C/C++ | |
770 | "^\\s-*class.*{\\|^\\s-*struct.*{\\|^\\s-*enum.*{\\|" | |
771 | "^\\\\[sb][a-z]*{.*}\\s-*$\\|" ; latex | |
772 | "^@node\\|@table\\|^@m?enu\\|^@itemize\\|^@if\\|" ; texinfo | |
773 | "^.+:-") ; prolog | |
3af0304a | 774 | "*Regexps for Headings. Used by \[\[ and \]\].") |
9b70a748 | 775 | |
f1097063 | 776 | (defvar viper-heading-end |
9b70a748 MK |
777 | (concat "^}\\|" ; C/C++ |
778 | "^\\\\end{\\|" ; latex | |
779 | "^@end \\|" ; texinfo | |
780 | ")\n\n[ \t\n]*\\|" ; lisp | |
781 | "\\.\\s-*$") ; prolog | |
3af0304a | 782 | "*Regexps to end Headings/Sections. Used by \[\].") |
9b70a748 MK |
783 | |
784 | ||
785 | ;; These two vars control the interaction of jumps performed by ' and `. | |
786 | ;; In this new version, '' doesn't erase the marks set by ``, so one can | |
cf503f7c | 787 | ;; use both kinds of jumps interchangeably and without losing positions |
9b70a748 MK |
788 | ;; inside the lines. |
789 | ||
790 | ;; Remembers position of the last jump done using ``'. | |
8626cfa2 | 791 | (viper-deflocalvar viper-last-jump nil) |
9b70a748 | 792 | ;; Remembers position of the last jump done using `''. |
8626cfa2 | 793 | (viper-deflocalvar viper-last-jump-ignore 0) |
9b70a748 MK |
794 | |
795 | ;; History variables | |
796 | ||
797 | ;; History of search strings. | |
8626cfa2 | 798 | (defvar viper-search-history (list "")) |
9b70a748 | 799 | ;; History of query-replace strings used as a source. |
8626cfa2 | 800 | (defvar viper-replace1-history nil) |
9b70a748 | 801 | ;; History of query-replace strings used as replacement. |
8626cfa2 | 802 | (defvar viper-replace2-history nil) |
9b70a748 | 803 | ;; History of region quoting strings. |
8626cfa2 | 804 | (defvar viper-quote-region-history (list viper-quote-string)) |
9b70a748 | 805 | ;; History of Ex-style commands. |
8626cfa2 | 806 | (defvar viper-ex-history nil) |
9b70a748 | 807 | ;; History of shell commands. |
8626cfa2 | 808 | (defvar viper-shell-history nil) |
9b70a748 MK |
809 | |
810 | ||
3af0304a | 811 | ;; Last shell command. There are two of these, one for Ex (in viper-ex) |
9b70a748 MK |
812 | ;; and one for Vi. |
813 | ||
814 | ;; Last shell command executed with ! command. | |
8626cfa2 | 815 | (defvar viper-last-shell-com nil) |
9b70a748 | 816 | |
41497c90 MK |
817 | \f |
818 | ;;; Face-saving tricks | |
819 | ||
41497c90 MK |
820 | (defgroup viper-highlighting nil |
821 | "Hilighting of replace region, search pattern, minibuffer, etc." | |
822 | :prefix "viper-" | |
823 | :group 'viper) | |
824 | ||
41497c90 | 825 | |
25c06649 | 826 | (defface viper-search |
41497c90 | 827 | '((((class color)) (:foreground "Black" :background "khaki")) |
2d30d788 | 828 | (t (:underline t :stipple "gray3"))) |
41497c90 MK |
829 | "*Face used to flash out the search pattern." |
830 | :group 'viper-highlighting) | |
3af0304a | 831 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 832 | (defvar viper-search-face 'viper-search |
8e41a31c | 833 | "Face used to flash out the search pattern. |
3af0304a | 834 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 835 | to customize the actual face object `viper-search' |
8e41a31c | 836 | this variable represents.") |
41497c90 | 837 | |
25c06649 | 838 | (defface viper-replace-overlay |
41497c90 | 839 | '((((class color)) (:foreground "Black" :background "darkseagreen2")) |
2d30d788 | 840 | (t (:underline t :stipple "gray3"))) |
41497c90 MK |
841 | "*Face for highlighting replace regions on a window display." |
842 | :group 'viper-highlighting) | |
3af0304a | 843 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 844 | (defvar viper-replace-overlay-face 'viper-replace-overlay |
8e41a31c | 845 | "Face for highlighting replace regions on a window display. |
3af0304a | 846 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 847 | to customize the actual face object `viper-replace-overlay' |
8e41a31c | 848 | this variable represents.") |
41497c90 | 849 | |
25c06649 | 850 | (defface viper-minibuffer-emacs |
41497c90 | 851 | '((((class color)) (:foreground "Black" :background "darkseagreen2")) |
e31c1fd5 | 852 | (t (:weight bold))) |
41497c90 MK |
853 | "Face used in the Minibuffer when it is in Emacs state." |
854 | :group 'viper-highlighting) | |
3af0304a | 855 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 856 | (defvar viper-minibuffer-emacs-face 'viper-minibuffer-emacs |
8e41a31c | 857 | "Face used in the Minibuffer when it is in Emacs state. |
3af0304a | 858 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 859 | to customize the actual face object `viper-minibuffer-emacs' |
8e41a31c | 860 | this variable represents.") |
41497c90 | 861 | |
25c06649 | 862 | (defface viper-minibuffer-insert |
41497c90 | 863 | '((((class color)) (:foreground "Black" :background "pink")) |
e31c1fd5 | 864 | (t (:slant italic))) |
41497c90 MK |
865 | "Face used in the Minibuffer when it is in Insert state." |
866 | :group 'viper-highlighting) | |
3af0304a | 867 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 868 | (defvar viper-minibuffer-insert-face 'viper-minibuffer-insert |
8e41a31c | 869 | "Face used in the Minibuffer when it is in Insert state. |
3af0304a | 870 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 871 | to customize the actual face object `viper-minibuffer-insert' |
8e41a31c | 872 | this variable represents.") |
41497c90 | 873 | |
25c06649 | 874 | (defface viper-minibuffer-vi |
41497c90 MK |
875 | '((((class color)) (:foreground "DarkGreen" :background "grey")) |
876 | (t (:inverse-video t))) | |
877 | "Face used in the Minibuffer when it is in Vi state." | |
878 | :group 'viper-highlighting) | |
3af0304a | 879 | ;; An internal variable. Viper takes the face from here. |
25c06649 | 880 | (defvar viper-minibuffer-vi-face 'viper-minibuffer-vi |
8e41a31c | 881 | "Face used in the Minibuffer when it is in Vi state. |
3af0304a | 882 | DO NOT CHANGE this variable. Instead, use the customization widget |
8ea74b0e | 883 | to customize the actual face object `viper-minibuffer-vi' |
8e41a31c | 884 | this variable represents.") |
f1097063 | 885 | |
41497c90 | 886 | ;; the current face to be used in the minibuffer |
8e41a31c MK |
887 | (viper-deflocalvar |
888 | viper-minibuffer-current-face viper-minibuffer-emacs-face "") | |
9b70a748 MK |
889 | |
890 | \f | |
891 | ;;; Miscellaneous | |
892 | ||
8626cfa2 | 893 | (defvar viper-inhibit-startup-message nil |
9b70a748 MK |
894 | "Whether Viper startup message should be inhibited.") |
895 | ||
8626cfa2 | 896 | (defcustom viper-spell-function 'ispell-region |
1e70790f MK |
897 | "Spell function used by #s<move> command to spell." |
898 | :type 'function | |
8e41a31c | 899 | :group 'viper-misc) |
9b70a748 | 900 | |
8626cfa2 | 901 | (defcustom viper-tags-file-name "TAGS" |
1e70790f MK |
902 | "The tags file used by Viper." |
903 | :type 'string | |
8e41a31c | 904 | :group 'viper-misc) |
9b70a748 | 905 | |
3af0304a MK |
906 | (defcustom viper-change-notification-threshold 1 |
907 | "Notify the user when this many lines or characters have been deleted/yanked. | |
908 | For line-deleting/yanking commands (like `dd', `yy'), the value denotes the | |
909 | number of lines. For character-based commands (such as `x', `dw', etc.), the | |
910 | value refers to the number of characters affected." | |
911 | :type 'integer | |
912 | :group 'viper-misc) | |
913 | ||
9b70a748 MK |
914 | ;; Minibuffer |
915 | ||
8626cfa2 | 916 | (defcustom viper-vi-style-in-minibuffer t |
9b70a748 | 917 | "If t, use vi-style editing in minibuffer. |
8626cfa2 | 918 | Should be set in `~/.viper' file." |
1e70790f MK |
919 | :type 'boolean |
920 | :group 'viper) | |
f1097063 | 921 | |
9b70a748 | 922 | ;; overlay used in the minibuffer to indicate which state it is in |
8626cfa2 | 923 | (viper-deflocalvar viper-minibuffer-overlay nil) |
3af0304a | 924 | (put 'viper-minibuffer-overlay 'permanent-local t) |
9b70a748 MK |
925 | |
926 | ;; Hook, specific to Viper, which is run just *before* exiting the minibuffer. | |
2eb4bdca MK |
927 | ;; This is needed because beginning with Emacs 19.26, the standard |
928 | ;; `minibuffer-exit-hook' is run *after* exiting the minibuffer | |
929 | (defvar viper-minibuffer-exit-hook nil) | |
f1097063 | 930 | |
9b70a748 MK |
931 | |
932 | ;; Mode line | |
8626cfa2 | 933 | (defconst viper-vi-state-id "<V> " |
9b70a748 | 934 | "Mode line tag identifying the Vi mode of Viper.") |
8626cfa2 | 935 | (defconst viper-emacs-state-id "<E> " |
9b70a748 | 936 | "Mode line tag identifying the Emacs mode of Viper.") |
8626cfa2 | 937 | (defconst viper-insert-state-id "<I> " |
9b70a748 | 938 | "Mode line tag identifying the Insert mode of Viper.") |
8626cfa2 | 939 | (defconst viper-replace-state-id "<R> " |
9b70a748 MK |
940 | "Mode line tag identifying the Replace mode of Viper.") |
941 | ||
9b70a748 | 942 | |
8e41a31c MK |
943 | (defgroup viper-hooks nil |
944 | "Viper hooks." | |
945 | :prefix "viper-" | |
946 | :group 'viper) | |
947 | ||
7d027816 | 948 | (defcustom viper-vi-state-hook 'viper-restore-cursor-type |
1e70790f MK |
949 | "*Hooks run just before the switch to Vi mode is completed." |
950 | :type 'hook | |
8e41a31c | 951 | :group 'viper-hooks) |
7d027816 | 952 | (defcustom viper-insert-state-hook 'viper-set-insert-cursor-type |
1e70790f MK |
953 | "*Hooks run just before the switch to Insert mode is completed." |
954 | :type 'hook | |
8e41a31c | 955 | :group 'viper-hooks) |
7d027816 | 956 | (defcustom viper-replace-state-hook 'viper-restore-cursor-type |
1e70790f MK |
957 | "*Hooks run just before the switch to Replace mode is completed." |
958 | :type 'hook | |
8e41a31c | 959 | :group 'viper-hooks) |
7d027816 | 960 | (defcustom viper-emacs-state-hook 'viper-restore-cursor-type |
1e70790f MK |
961 | "*Hooks run just before the switch to Emacs mode is completed." |
962 | :type 'hook | |
8e41a31c | 963 | :group 'viper-hooks) |
f1097063 | 964 | |
8626cfa2 | 965 | (defcustom viper-load-hook nil |
1e70790f MK |
966 | "Hooks run just after loading Viper." |
967 | :type 'hook | |
8e41a31c | 968 | :group 'viper-hooks) |
f1097063 | 969 | |
7d027816 | 970 | (defun viper-restore-cursor-type () |
bea3997a | 971 | (condition-case nil |
e83d1fe8 | 972 | (if (featurep 'xemacs) |
e2de3a29 | 973 | (set (make-local-variable 'bar-cursor) nil) |
009fdc2e | 974 | (setq cursor-type (default-value 'cursor-type))) |
50a07e18 | 975 | (error nil))) |
7d027816 MK |
976 | |
977 | (defun viper-set-insert-cursor-type () | |
e83d1fe8 | 978 | (if (featurep 'xemacs) |
e2de3a29 | 979 | (set (make-local-variable 'bar-cursor) 2) |
7d027816 MK |
980 | (setq cursor-type '(bar . 2)))) |
981 | ||
42acc581 MK |
982 | (defun viper-ESC-keyseq-timeout () |
983 | "*Key sequence beginning with ESC and separated by no more than this many milliseconds is considered to be generated by a keyboard function key. | |
984 | Setting this too high may slow down switching from insert to vi state. Setting | |
985 | this value too low will make it impossible to use function keys in insert mode | |
986 | on a dumb terminal." | |
987 | (if (viper-window-display-p) | |
988 | 0 viper-fast-keyseq-timeout)) | |
989 | ||
990 | ||
1e70790f | 991 | |
26a7f02f GM |
992 | (provide 'viper-init) |
993 | ||
994 | ||
e2de3a29 MK |
995 | ;; Local Variables: |
996 | ;; eval: (put 'viper-deflocalvar 'lisp-indent-hook 'defun) | |
997 | ;; End: | |
1e70790f | 998 | |
60370d40 | 999 | ;;; viper-init.el ends here |