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d5e52f99 MK |
1 | ;;; viper-cmd.el --- Vi command support for Viper |
2 | ;; Copyright (C) 1997 Free Software Foundation, Inc. | |
3 | ||
454b1ed8 RS |
4 | ;; This file is part of GNU Emacs. |
5 | ||
6 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
7 | ;; it under the terms of the GNU General Public License as published by | |
8 | ;; the Free Software Foundation; either version 2, or (at your option) | |
9 | ;; any later version. | |
10 | ||
11 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
12 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;; GNU General Public License for more details. | |
15 | ||
16 | ;; You should have received a copy of the GNU General Public License | |
17 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
18 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | ;; Boston, MA 02111-1307, USA. | |
d5e52f99 MK |
20 | |
21 | ;; Code | |
22 | ||
23 | (provide 'viper-cmd) | |
726e270f | 24 | (require 'advice) |
d5e52f99 MK |
25 | |
26 | ;; Compiler pacifier | |
2f3eb3b6 MK |
27 | (defvar viper-minibuffer-current-face) |
28 | (defvar viper-minibuffer-insert-face) | |
29 | (defvar viper-minibuffer-vi-face) | |
30 | (defvar viper-minibuffer-emacs-face) | |
e36a387d | 31 | (defvar viper-always) |
2f3eb3b6 MK |
32 | (defvar viper-mode-string) |
33 | (defvar viper-custom-file-name) | |
d5e52f99 | 34 | (defvar iso-accents-mode) |
34317da2 MK |
35 | (defvar quail-mode) |
36 | (defvar quail-current-str) | |
d5e52f99 MK |
37 | (defvar zmacs-region-stays) |
38 | (defvar mark-even-if-inactive) | |
39 | ||
726e270f MK |
40 | ;; loading happens only in non-interactive compilation |
41 | ;; in order to spare non-viperized emacs from being viperized | |
42 | (if noninteractive | |
43 | (eval-when-compile | |
44 | (let ((load-path (cons (expand-file-name ".") load-path))) | |
45 | (or (featurep 'viper-util) | |
46 | (load "viper-util.el" nil nil 'nosuffix)) | |
47 | (or (featurep 'viper-keym) | |
48 | (load "viper-keym.el" nil nil 'nosuffix)) | |
49 | (or (featurep 'viper-mous) | |
50 | (load "viper-mous.el" nil nil 'nosuffix)) | |
51 | (or (featurep 'viper-macs) | |
52 | (load "viper-macs.el" nil nil 'nosuffix)) | |
53 | (or (featurep 'viper-ex) | |
54 | (load "viper-ex.el" nil nil 'nosuffix)) | |
55 | ))) | |
d5e52f99 MK |
56 | ;; end pacifier |
57 | ||
58 | ||
59 | (require 'viper-util) | |
60 | (require 'viper-keym) | |
61 | (require 'viper-mous) | |
62 | (require 'viper-macs) | |
63 | (require 'viper-ex) | |
64 | ||
65 | ||
66 | \f | |
67 | ;; Generic predicates | |
68 | ||
69 | ;; These test functions are shamelessly lifted from vip 4.4.2 by Aamod Sane | |
70 | ||
71 | ;; generate test functions | |
72 | ;; given symbol foo, foo-p is the test function, foos is the set of | |
73 | ;; Viper command keys | |
2f3eb3b6 | 74 | ;; (macroexpand '(viper-test-com-defun foo)) |
d5e52f99 MK |
75 | ;; (defun foo-p (com) (consp (memq (if (< com 0) (- com) com) foos))) |
76 | ||
2f3eb3b6 | 77 | (defmacro viper-test-com-defun (name) |
d5e52f99 MK |
78 | (let* ((snm (symbol-name name)) |
79 | (nm-p (intern (concat snm "-p"))) | |
80 | (nms (intern (concat snm "s")))) | |
f1097063 SS |
81 | `(defun ,nm-p (com) |
82 | (consp (memq (if (and (viper-characterp com) (< com 0)) | |
83 | (- com) com) ,nms))))) | |
84 | ||
d5e52f99 MK |
85 | ;; Variables for defining VI commands |
86 | ||
87 | ;; Modifying commands that can be prefixes to movement commands | |
2f3eb3b6 MK |
88 | (defconst viper-prefix-commands '(?c ?d ?y ?! ?= ?# ?< ?> ?\")) |
89 | ;; define viper-prefix-command-p | |
90 | (viper-test-com-defun viper-prefix-command) | |
f1097063 | 91 | |
d5e52f99 | 92 | ;; Commands that are pairs eg. dd. r and R here are a hack |
2f3eb3b6 MK |
93 | (defconst viper-charpair-commands '(?c ?d ?y ?! ?= ?< ?> ?r ?R)) |
94 | ;; define viper-charpair-command-p | |
95 | (viper-test-com-defun viper-charpair-command) | |
d5e52f99 | 96 | |
2f3eb3b6 | 97 | (defconst viper-movement-commands '(?b ?B ?e ?E ?f ?F ?G ?h ?H ?j ?k ?l |
d5e52f99 MK |
98 | ?H ?M ?L ?n ?t ?T ?w ?W ?$ ?% |
99 | ?^ ?( ?) ?- ?+ ?| ?{ ?} ?[ ?] ?' ?` | |
3af0304a | 100 | ?\; ?, ?0 ?? ?/ ?\ ?\C-m |
2f3eb3b6 MK |
101 | space return |
102 | delete backspace | |
d5e52f99 MK |
103 | ) |
104 | "Movement commands") | |
2f3eb3b6 MK |
105 | ;; define viper-movement-command-p |
106 | (viper-test-com-defun viper-movement-command) | |
d5e52f99 | 107 | |
1e70790f | 108 | ;; Vi digit commands |
2f3eb3b6 | 109 | (defconst viper-digit-commands '(?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)) |
1e70790f | 110 | |
2f3eb3b6 MK |
111 | ;; define viper-digit-command-p |
112 | (viper-test-com-defun viper-digit-command) | |
d5e52f99 MK |
113 | |
114 | ;; Commands that can be repeated by . (dotted) | |
2f3eb3b6 MK |
115 | (defconst viper-dotable-commands '(?c ?d ?C ?s ?S ?D ?> ?<)) |
116 | ;; define viper-dotable-command-p | |
117 | (viper-test-com-defun viper-dotable-command) | |
d5e52f99 MK |
118 | |
119 | ;; Commands that can follow a # | |
2f3eb3b6 MK |
120 | (defconst viper-hash-commands '(?c ?C ?g ?q ?s)) |
121 | ;; define viper-hash-command-p | |
122 | (viper-test-com-defun viper-hash-command) | |
d5e52f99 MK |
123 | |
124 | ;; Commands that may have registers as prefix | |
2f3eb3b6 MK |
125 | (defconst viper-regsuffix-commands '(?d ?y ?Y ?D ?p ?P ?x ?X)) |
126 | ;; define viper-regsuffix-command-p | |
127 | (viper-test-com-defun viper-regsuffix-command) | |
128 | ||
129 | (defconst viper-vi-commands (append viper-movement-commands | |
130 | viper-digit-commands | |
131 | viper-dotable-commands | |
132 | viper-charpair-commands | |
133 | viper-hash-commands | |
134 | viper-prefix-commands | |
135 | viper-regsuffix-commands) | |
d5e52f99 | 136 | "The list of all commands in Vi-state.") |
2f3eb3b6 MK |
137 | ;; define viper-vi-command-p |
138 | (viper-test-com-defun viper-vi-command) | |
d5e52f99 | 139 | |
3af0304a MK |
140 | ;; Where viper saves mark. This mark is resurrected by m^ |
141 | (defvar viper-saved-mark nil) | |
142 | ||
143 | ||
d5e52f99 MK |
144 | \f |
145 | ;;; CODE | |
146 | ||
147 | ;; sentinels | |
148 | ||
2f3eb3b6 MK |
149 | ;; Runs viper-after-change-functions inside after-change-functions |
150 | (defun viper-after-change-sentinel (beg end len) | |
2eb4bdca | 151 | (run-hook-with-args 'viper-after-change-functions beg end len)) |
f1097063 | 152 | |
2f3eb3b6 MK |
153 | ;; Runs viper-before-change-functions inside before-change-functions |
154 | (defun viper-before-change-sentinel (beg end) | |
2eb4bdca | 155 | (run-hook-with-args 'viper-before-change-functions beg end)) |
d5e52f99 | 156 | |
2f3eb3b6 | 157 | (defsubst viper-post-command-sentinel () |
3af0304a MK |
158 | (run-hooks 'viper-post-command-hooks) |
159 | (if (eq viper-current-state 'vi-state) | |
160 | (viper-restore-cursor-color 'after-insert-mode))) | |
f1097063 | 161 | |
2f3eb3b6 MK |
162 | (defsubst viper-pre-command-sentinel () |
163 | (run-hooks 'viper-pre-command-hooks)) | |
f1097063 | 164 | |
d5e52f99 MK |
165 | ;; Needed so that Viper will be able to figure the last inserted |
166 | ;; chunk of text with reasonable accuracy. | |
2f3eb3b6 MK |
167 | (defsubst viper-insert-state-post-command-sentinel () |
168 | (if (and (memq viper-current-state '(insert-state replace-state)) | |
169 | viper-insert-point | |
170 | (>= (point) viper-insert-point)) | |
171 | (setq viper-last-posn-while-in-insert-state (point-marker))) | |
3af0304a | 172 | (or (viper-overlay-p viper-replace-overlay) |
d5e52f99 | 173 | (progn |
3af0304a MK |
174 | (viper-set-replace-overlay (point-min) (point-min)) |
175 | (viper-hide-replace-overlay))) | |
176 | (if (eq viper-current-state 'insert-state) | |
177 | (let ((has-saved-cursor-color-in-insert-mode | |
178 | (stringp (viper-get-saved-cursor-color-in-insert-mode)))) | |
179 | (or has-saved-cursor-color-in-insert-mode | |
2f3eb3b6 | 180 | (string= (viper-get-cursor-color) viper-insert-state-cursor-color) |
3af0304a MK |
181 | ;; save current color, if not already saved |
182 | (viper-save-cursor-color 'before-insert-mode)) | |
183 | ;; set insert mode cursor color | |
184 | (viper-change-cursor-color viper-insert-state-cursor-color))) | |
185 | ||
186 | (if (and (memq this-command '(dabbrev-expand hippie-expand)) | |
2f3eb3b6 | 187 | (integerp viper-pre-command-point) |
96dffd25 MK |
188 | (markerp viper-insert-point) |
189 | (marker-position viper-insert-point) | |
2f3eb3b6 | 190 | (> viper-insert-point viper-pre-command-point)) |
96dffd25 | 191 | (viper-move-marker-locally viper-insert-point viper-pre-command-point)) |
d5e52f99 | 192 | ) |
f1097063 | 193 | |
2f3eb3b6 | 194 | (defsubst viper-insert-state-pre-command-sentinel () |
d5e52f99 | 195 | (or (memq this-command '(self-insert-command)) |
2f3eb3b6 | 196 | (memq (viper-event-key last-command-event) |
d5e52f99 MK |
197 | '(up down left right (meta f) (meta b) |
198 | (control n) (control p) (control f) (control b))) | |
3af0304a MK |
199 | (viper-restore-cursor-color 'after-insert-mode)) |
200 | (if (and (memq this-command '(dabbrev-expand hippie-expand)) | |
2f3eb3b6 MK |
201 | (markerp viper-insert-point) |
202 | (marker-position viper-insert-point)) | |
203 | (setq viper-pre-command-point (marker-position viper-insert-point)))) | |
f1097063 | 204 | |
2f3eb3b6 | 205 | (defsubst viper-R-state-post-command-sentinel () |
d5e52f99 | 206 | ;; Restoring cursor color is needed despite |
2f3eb3b6 MK |
207 | ;; viper-replace-state-pre-command-sentinel: When you jump to another buffer |
208 | ;; in another frame, the pre-command hook won't change cursor color to | |
209 | ;; default in that other frame. So, if the second frame cursor was red and | |
210 | ;; we set the point outside the replacement region, then the cursor color | |
3af0304a | 211 | ;; will remain red. Restoring the default, below, prevents this. |
2f3eb3b6 MK |
212 | (if (and (<= (viper-replace-start) (point)) |
213 | (<= (point) (viper-replace-end))) | |
214 | (viper-change-cursor-color viper-replace-overlay-cursor-color) | |
3af0304a | 215 | (viper-restore-cursor-color 'after-replace-mode) |
d5e52f99 MK |
216 | )) |
217 | ||
218 | ;; to speed up, don't change cursor color before self-insert | |
219 | ;; and common move commands | |
2f3eb3b6 | 220 | (defsubst viper-replace-state-pre-command-sentinel () |
d5e52f99 | 221 | (or (memq this-command '(self-insert-command)) |
2f3eb3b6 | 222 | (memq (viper-event-key last-command-event) |
d5e52f99 MK |
223 | '(up down left right (meta f) (meta b) |
224 | (control n) (control p) (control f) (control b))) | |
3af0304a | 225 | (viper-restore-cursor-color 'after-replace-mode))) |
f1097063 | 226 | |
b380fdf4 MK |
227 | |
228 | ;; Make sure we don't delete more than needed. | |
229 | ;; This is executed at viper-last-posn-in-replace-region | |
230 | (defsubst viper-trim-replace-chars-to-delete-if-necessary () | |
231 | (setq viper-replace-chars-to-delete | |
232 | (max 0 | |
233 | (min viper-replace-chars-to-delete | |
234 | ;; Don't delete more than to the end of repl overlay | |
235 | (viper-chars-in-region | |
236 | (viper-replace-end) viper-last-posn-in-replace-region) | |
237 | ;; point is viper-last-posn-in-replace-region now | |
238 | ;; So, this limits deletion to the end of line | |
239 | (viper-chars-in-region (point) (viper-line-pos 'end)) | |
240 | )))) | |
241 | ||
242 | ||
2f3eb3b6 | 243 | (defun viper-replace-state-post-command-sentinel () |
d5e52f99 | 244 | ;; Restoring cursor color is needed despite |
2f3eb3b6 | 245 | ;; viper-replace-state-pre-command-sentinel: When one jumps to another buffer |
d5e52f99 MK |
246 | ;; in another frame, the pre-command hook won't change cursor color to |
247 | ;; default in that other frame. So, if the second frame cursor was red and | |
248 | ;; we set the point outside the replacement region, then the cursor color | |
3af0304a | 249 | ;; will remain red. Restoring the default, below, fixes this problem. |
d5e52f99 MK |
250 | ;; |
251 | ;; We optimize for self-insert-command's here, since they either don't change | |
252 | ;; cursor color or, if they terminate replace mode, the color will be changed | |
2f3eb3b6 | 253 | ;; in viper-finish-change |
d5e52f99 | 254 | (or (memq this-command '(self-insert-command)) |
3af0304a | 255 | (viper-restore-cursor-color 'after-replace-mode)) |
f1097063 | 256 | (cond |
2f3eb3b6 | 257 | ((eq viper-current-state 'replace-state) |
d5e52f99 | 258 | ;; delete characters to compensate for inserted chars. |
2f3eb3b6 | 259 | (let ((replace-boundary (viper-replace-end))) |
d5e52f99 | 260 | (save-excursion |
2f3eb3b6 | 261 | (goto-char viper-last-posn-in-replace-region) |
34317da2 | 262 | (viper-trim-replace-chars-to-delete-if-necessary) |
2f3eb3b6 | 263 | (delete-char viper-replace-chars-to-delete) |
34317da2 | 264 | (setq viper-replace-chars-to-delete 0) |
d5e52f99 | 265 | ;; terminate replace mode if reached replace limit |
34317da2 MK |
266 | (if (= viper-last-posn-in-replace-region (viper-replace-end)) |
267 | (viper-finish-change))) | |
f1097063 | 268 | |
34317da2 MK |
269 | (if (viper-pos-within-region |
270 | (point) (viper-replace-start) replace-boundary) | |
d5e52f99 | 271 | (progn |
2f3eb3b6 MK |
272 | ;; the state may have changed in viper-finish-change above |
273 | (if (eq viper-current-state 'replace-state) | |
274 | (viper-change-cursor-color viper-replace-overlay-cursor-color)) | |
275 | (setq viper-last-posn-in-replace-region (point-marker)))) | |
d5e52f99 | 276 | )) |
34317da2 MK |
277 | ;; terminate replace mode if changed Viper states. |
278 | (t (viper-finish-change)))) | |
d5e52f99 MK |
279 | |
280 | ||
281 | ;; changing mode | |
282 | ||
283 | ;; Change state to NEW-STATE---either emacs-state, vi-state, or insert-state. | |
2f3eb3b6 MK |
284 | (defun viper-change-state (new-state) |
285 | ;; Keep viper-post/pre-command-hooks fresh. | |
286 | ;; We remove then add viper-post/pre-command-sentinel since it is very | |
287 | ;; desirable that viper-pre-command-sentinel is the last hook and | |
288 | ;; viper-post-command-sentinel is the first hook. | |
2eb4bdca MK |
289 | |
290 | (make-local-hook 'viper-after-change-functions) | |
291 | (make-local-hook 'viper-before-change-functions) | |
292 | (make-local-hook 'viper-post-command-hooks) | |
293 | (make-local-hook 'viper-pre-command-hooks) | |
294 | ||
2f3eb3b6 MK |
295 | (remove-hook 'post-command-hook 'viper-post-command-sentinel) |
296 | (add-hook 'post-command-hook 'viper-post-command-sentinel) | |
297 | (remove-hook 'pre-command-hook 'viper-pre-command-sentinel) | |
298 | (add-hook 'pre-command-hook 'viper-pre-command-sentinel t) | |
d5e52f99 | 299 | ;; These hooks will be added back if switching to insert/replace mode |
2eb4bdca MK |
300 | (remove-hook 'viper-post-command-hooks |
301 | 'viper-insert-state-post-command-sentinel 'local) | |
302 | (remove-hook 'viper-pre-command-hooks | |
303 | 'viper-insert-state-pre-command-sentinel 'local) | |
2f3eb3b6 | 304 | (setq viper-intermediate-command nil) |
d5e52f99 | 305 | (cond ((eq new-state 'vi-state) |
2f3eb3b6 | 306 | (cond ((member viper-current-state '(insert-state replace-state)) |
f1097063 | 307 | |
2f3eb3b6 | 308 | ;; move viper-last-posn-while-in-insert-state |
d5e52f99 | 309 | ;; This is a normal hook that is executed in insert/replace |
3af0304a MK |
310 | ;; states after each command. In Vi/Emacs state, it does |
311 | ;; nothing. We need to execute it here to make sure that | |
d5e52f99 MK |
312 | ;; the last posn was recorded when we hit ESC. |
313 | ;; It may be left unrecorded if the last thing done in | |
314 | ;; insert/repl state was dabbrev-expansion or abbrev | |
315 | ;; expansion caused by hitting ESC | |
2f3eb3b6 | 316 | (viper-insert-state-post-command-sentinel) |
f1097063 | 317 | |
d5e52f99 MK |
318 | (condition-case conds |
319 | (progn | |
2f3eb3b6 | 320 | (viper-save-last-insertion |
f1097063 | 321 | viper-insert-point |
2f3eb3b6 MK |
322 | viper-last-posn-while-in-insert-state) |
323 | (if viper-began-as-replace | |
324 | (setq viper-began-as-replace nil) | |
d5e52f99 MK |
325 | ;; repeat insert commands if numerical arg > 1 |
326 | (save-excursion | |
2f3eb3b6 | 327 | (viper-repeat-insert-command)))) |
d5e52f99 | 328 | (error |
2f3eb3b6 | 329 | (viper-message-conditions conds))) |
f1097063 | 330 | |
2f3eb3b6 MK |
331 | (if (> (length viper-last-insertion) 0) |
332 | (viper-push-onto-ring viper-last-insertion | |
333 | 'viper-insertion-ring)) | |
f1097063 | 334 | |
b380fdf4 | 335 | (if viper-ESC-moves-cursor-back |
d5e52f99 MK |
336 | (or (bolp) (backward-char 1)))) |
337 | )) | |
f1097063 | 338 | |
d5e52f99 MK |
339 | ;; insert or replace |
340 | ((memq new-state '(insert-state replace-state)) | |
2f3eb3b6 MK |
341 | (if (memq viper-current-state '(emacs-state vi-state)) |
342 | (viper-move-marker-locally 'viper-insert-point (point))) | |
343 | (viper-move-marker-locally | |
344 | 'viper-last-posn-while-in-insert-state (point)) | |
2eb4bdca MK |
345 | (add-hook 'viper-post-command-hooks |
346 | 'viper-insert-state-post-command-sentinel t 'local) | |
347 | (add-hook 'viper-pre-command-hooks | |
348 | 'viper-insert-state-pre-command-sentinel t 'local)) | |
d5e52f99 | 349 | ) ; outermost cond |
f1097063 | 350 | |
d5e52f99 | 351 | ;; Nothing needs to be done to switch to emacs mode! Just set some |
2f3eb3b6 | 352 | ;; variables, which is already done in viper-change-state-to-emacs! |
d5e52f99 | 353 | |
34317da2 MK |
354 | ;; ISO accents |
355 | ;; always turn off iso-accents-mode in vi-state, or else we won't be able to | |
356 | ;; use the keys `,',^ , as they will do accents instead of Vi actions. | |
357 | (cond ((eq new-state 'vi-state) (viper-set-iso-accents-mode nil));accents off | |
358 | (viper-automatic-iso-accents (viper-set-iso-accents-mode t));accents on | |
359 | (t (viper-set-iso-accents-mode nil))) | |
360 | ;; Always turn off quail mode in vi state | |
361 | (cond ((eq new-state 'vi-state) (viper-set-input-method nil)) ;intl input off | |
362 | (viper-special-input-method (viper-set-input-method t)) ;intl input on | |
363 | (t (viper-set-input-method nil))) | |
364 | ||
2f3eb3b6 | 365 | (setq viper-current-state new-state) |
34317da2 MK |
366 | |
367 | (viper-update-syntax-classes) | |
2f3eb3b6 MK |
368 | (viper-normalize-minor-mode-map-alist) |
369 | (viper-adjust-keys-for new-state) | |
370 | (viper-set-mode-vars-for new-state) | |
371 | (viper-refresh-mode-line) | |
d5e52f99 MK |
372 | ) |
373 | ||
374 | ||
f1097063 | 375 | |
2f3eb3b6 | 376 | (defun viper-adjust-keys-for (state) |
d5e52f99 MK |
377 | "Make necessary adjustments to keymaps before entering STATE." |
378 | (cond ((memq state '(insert-state replace-state)) | |
2f3eb3b6 | 379 | (if viper-auto-indent |
d5e52f99 | 380 | (progn |
2f3eb3b6 MK |
381 | (define-key viper-insert-basic-map "\C-m" 'viper-autoindent) |
382 | (if viper-want-emacs-keys-in-insert | |
d5e52f99 | 383 | ;; expert |
2f3eb3b6 | 384 | (define-key viper-insert-basic-map "\C-j" nil) |
d5e52f99 | 385 | ;; novice |
2f3eb3b6 MK |
386 | (define-key viper-insert-basic-map "\C-j" 'viper-autoindent))) |
387 | (define-key viper-insert-basic-map "\C-m" nil) | |
388 | (define-key viper-insert-basic-map "\C-j" nil)) | |
f1097063 | 389 | |
2f3eb3b6 MK |
390 | (setq viper-insert-diehard-minor-mode |
391 | (not viper-want-emacs-keys-in-insert)) | |
f1097063 | 392 | |
2f3eb3b6 | 393 | (if viper-want-ctl-h-help |
5ce05788 MK |
394 | (progn |
395 | (define-key viper-insert-basic-map "\C-h" 'help-command) | |
396 | (define-key viper-replace-map "\C-h" 'help-command)) | |
f1097063 | 397 | (define-key viper-insert-basic-map |
5ce05788 | 398 | "\C-h" 'viper-del-backward-char-in-insert) |
2f3eb3b6 | 399 | (define-key viper-replace-map |
5ce05788 MK |
400 | "\C-h" 'viper-del-backward-char-in-replace)) |
401 | ;; In XEmacs, C-h overrides backspace, so we make sure it doesn't. | |
402 | (define-key viper-insert-basic-map | |
403 | [backspace] 'viper-del-backward-char-in-insert) | |
404 | (define-key viper-replace-map | |
405 | [backspace] 'viper-del-backward-char-in-replace) | |
406 | ) ; end insert/replace case | |
d5e52f99 | 407 | (t ; Vi state |
2f3eb3b6 MK |
408 | (setq viper-vi-diehard-minor-mode (not viper-want-emacs-keys-in-vi)) |
409 | (if viper-want-ctl-h-help | |
5ce05788 MK |
410 | (define-key viper-vi-basic-map "\C-h" 'help-command) |
411 | (define-key viper-vi-basic-map "\C-h" 'viper-backward-char)) | |
412 | ;; In XEmacs, C-h overrides backspace, so we make sure it doesn't. | |
413 | (define-key viper-vi-basic-map [backspace] 'viper-backward-char)) | |
d5e52f99 | 414 | )) |
f1097063 SS |
415 | |
416 | ||
d5e52f99 MK |
417 | ;; Normalizes minor-mode-map-alist by putting Viper keymaps first. |
418 | ;; This ensures that Viper bindings are in effect, regardless of which minor | |
419 | ;; modes were turned on by the user or by other packages. | |
2f3eb3b6 | 420 | (defun viper-normalize-minor-mode-map-alist () |
f1097063 | 421 | (setq minor-mode-map-alist |
2f3eb3b6 | 422 | (viper-append-filter-alist |
7d3f9fd8 | 423 | (list (cons 'viper-vi-intercept-minor-mode viper-vi-intercept-map) |
f1097063 | 424 | (cons 'viper-vi-minibuffer-minor-mode viper-minibuffer-map) |
2f3eb3b6 MK |
425 | (cons 'viper-vi-local-user-minor-mode viper-vi-local-user-map) |
426 | (cons 'viper-vi-kbd-minor-mode viper-vi-kbd-map) | |
427 | (cons 'viper-vi-global-user-minor-mode viper-vi-global-user-map) | |
428 | (cons 'viper-vi-state-modifier-minor-mode | |
d5e52f99 | 429 | (if (keymapp |
41497c90 | 430 | (cdr (assoc major-mode |
f1097063 | 431 | viper-vi-state-modifier-alist))) |
2f3eb3b6 MK |
432 | (cdr (assoc major-mode viper-vi-state-modifier-alist)) |
433 | viper-empty-keymap)) | |
434 | (cons 'viper-vi-diehard-minor-mode viper-vi-diehard-map) | |
435 | (cons 'viper-vi-basic-minor-mode viper-vi-basic-map) | |
41497c90 | 436 | (cons 'viper-insert-intercept-minor-mode |
f1097063 | 437 | viper-insert-intercept-map) |
2f3eb3b6 MK |
438 | (cons 'viper-replace-minor-mode viper-replace-map) |
439 | ;; viper-insert-minibuffer-minor-mode must come after | |
f1097063 | 440 | ;; viper-replace-minor-mode |
2f3eb3b6 | 441 | (cons 'viper-insert-minibuffer-minor-mode |
f1097063 | 442 | viper-minibuffer-map) |
2f3eb3b6 MK |
443 | (cons 'viper-insert-local-user-minor-mode |
444 | viper-insert-local-user-map) | |
445 | (cons 'viper-insert-kbd-minor-mode viper-insert-kbd-map) | |
446 | (cons 'viper-insert-global-user-minor-mode | |
447 | viper-insert-global-user-map) | |
448 | (cons 'viper-insert-state-modifier-minor-mode | |
d5e52f99 | 449 | (if (keymapp |
41497c90 | 450 | (cdr (assoc major-mode |
f1097063 | 451 | viper-insert-state-modifier-alist))) |
41497c90 MK |
452 | (cdr (assoc major-mode |
453 | viper-insert-state-modifier-alist)) | |
2f3eb3b6 MK |
454 | viper-empty-keymap)) |
455 | (cons 'viper-insert-diehard-minor-mode viper-insert-diehard-map) | |
456 | (cons 'viper-insert-basic-minor-mode viper-insert-basic-map) | |
457 | (cons 'viper-emacs-intercept-minor-mode | |
458 | viper-emacs-intercept-map) | |
459 | (cons 'viper-emacs-local-user-minor-mode | |
460 | viper-emacs-local-user-map) | |
461 | (cons 'viper-emacs-kbd-minor-mode viper-emacs-kbd-map) | |
462 | (cons 'viper-emacs-global-user-minor-mode | |
463 | viper-emacs-global-user-map) | |
464 | (cons 'viper-emacs-state-modifier-minor-mode | |
d5e52f99 MK |
465 | (if (keymapp |
466 | (cdr | |
2f3eb3b6 | 467 | (assoc major-mode viper-emacs-state-modifier-alist))) |
d5e52f99 | 468 | (cdr |
2f3eb3b6 MK |
469 | (assoc major-mode viper-emacs-state-modifier-alist)) |
470 | viper-empty-keymap)) | |
d5e52f99 MK |
471 | ) |
472 | minor-mode-map-alist))) | |
f1097063 SS |
473 | |
474 | ||
d5e52f99 MK |
475 | \f |
476 | ;; Viper mode-changing commands and utilities | |
477 | ||
478 | ;; Modifies mode-line-buffer-identification. | |
2f3eb3b6 | 479 | (defun viper-refresh-mode-line () |
f1097063 | 480 | (setq viper-mode-string |
2f3eb3b6 MK |
481 | (cond ((eq viper-current-state 'emacs-state) viper-emacs-state-id) |
482 | ((eq viper-current-state 'vi-state) viper-vi-state-id) | |
483 | ((eq viper-current-state 'replace-state) viper-replace-state-id) | |
484 | ((eq viper-current-state 'insert-state) viper-insert-state-id))) | |
f1097063 | 485 | |
d5e52f99 MK |
486 | ;; Sets Viper mode string in global-mode-string |
487 | (force-mode-line-update)) | |
f1097063 | 488 | |
d5e52f99 MK |
489 | |
490 | ;; Switch from Insert state to Vi state. | |
2f3eb3b6 | 491 | (defun viper-exit-insert-state () |
d5e52f99 | 492 | (interactive) |
2f3eb3b6 | 493 | (viper-change-state-to-vi)) |
d5e52f99 | 494 | |
2f3eb3b6 | 495 | (defun viper-set-mode-vars-for (state) |
d5e52f99 | 496 | "Sets Viper minor mode variables to put Viper's state STATE in effect." |
f1097063 | 497 | |
d5e52f99 | 498 | ;; Emacs state |
2f3eb3b6 MK |
499 | (setq viper-vi-minibuffer-minor-mode nil |
500 | viper-insert-minibuffer-minor-mode nil | |
501 | viper-vi-intercept-minor-mode nil | |
502 | viper-insert-intercept-minor-mode nil | |
f1097063 | 503 | |
2f3eb3b6 MK |
504 | viper-vi-local-user-minor-mode nil |
505 | viper-vi-kbd-minor-mode nil | |
506 | viper-vi-global-user-minor-mode nil | |
507 | viper-vi-state-modifier-minor-mode nil | |
508 | viper-vi-diehard-minor-mode nil | |
509 | viper-vi-basic-minor-mode nil | |
f1097063 | 510 | |
2f3eb3b6 | 511 | viper-replace-minor-mode nil |
f1097063 | 512 | |
2f3eb3b6 MK |
513 | viper-insert-local-user-minor-mode nil |
514 | viper-insert-kbd-minor-mode nil | |
515 | viper-insert-global-user-minor-mode nil | |
516 | viper-insert-state-modifier-minor-mode nil | |
517 | viper-insert-diehard-minor-mode nil | |
518 | viper-insert-basic-minor-mode nil | |
519 | viper-emacs-intercept-minor-mode t | |
520 | viper-emacs-local-user-minor-mode t | |
521 | viper-emacs-kbd-minor-mode (not (viper-is-in-minibuffer)) | |
522 | viper-emacs-global-user-minor-mode t | |
523 | viper-emacs-state-modifier-minor-mode t | |
d5e52f99 | 524 | ) |
f1097063 | 525 | |
d5e52f99 MK |
526 | ;; Vi state |
527 | (if (eq state 'vi-state) ; adjust for vi-state | |
f1097063 SS |
528 | (setq |
529 | viper-vi-intercept-minor-mode t | |
2f3eb3b6 MK |
530 | viper-vi-minibuffer-minor-mode (viper-is-in-minibuffer) |
531 | viper-vi-local-user-minor-mode t | |
532 | viper-vi-kbd-minor-mode (not (viper-is-in-minibuffer)) | |
533 | viper-vi-global-user-minor-mode t | |
534 | viper-vi-state-modifier-minor-mode t | |
f1097063 | 535 | ;; don't let the diehard keymap block command completion |
d5e52f99 | 536 | ;; and other things in the minibuffer |
2f3eb3b6 MK |
537 | viper-vi-diehard-minor-mode (not |
538 | (or viper-want-emacs-keys-in-vi | |
539 | (viper-is-in-minibuffer))) | |
f1097063 | 540 | viper-vi-basic-minor-mode t |
2f3eb3b6 MK |
541 | viper-emacs-intercept-minor-mode nil |
542 | viper-emacs-local-user-minor-mode nil | |
543 | viper-emacs-kbd-minor-mode nil | |
544 | viper-emacs-global-user-minor-mode nil | |
545 | viper-emacs-state-modifier-minor-mode nil | |
d5e52f99 | 546 | )) |
f1097063 | 547 | |
d5e52f99 MK |
548 | ;; Insert and Replace states |
549 | (if (member state '(insert-state replace-state)) | |
f1097063 SS |
550 | (setq |
551 | viper-insert-intercept-minor-mode t | |
2f3eb3b6 MK |
552 | viper-replace-minor-mode (eq state 'replace-state) |
553 | viper-insert-minibuffer-minor-mode (viper-is-in-minibuffer) | |
554 | viper-insert-local-user-minor-mode t | |
555 | viper-insert-kbd-minor-mode (not (viper-is-in-minibuffer)) | |
556 | viper-insert-global-user-minor-mode t | |
557 | viper-insert-state-modifier-minor-mode t | |
f1097063 | 558 | ;; don't let the diehard keymap block command completion |
d5e52f99 | 559 | ;; and other things in the minibuffer |
2f3eb3b6 MK |
560 | viper-insert-diehard-minor-mode (not |
561 | (or | |
562 | viper-want-emacs-keys-in-insert | |
563 | (viper-is-in-minibuffer))) | |
564 | viper-insert-basic-minor-mode t | |
565 | viper-emacs-intercept-minor-mode nil | |
566 | viper-emacs-local-user-minor-mode nil | |
567 | viper-emacs-kbd-minor-mode nil | |
568 | viper-emacs-global-user-minor-mode nil | |
569 | viper-emacs-state-modifier-minor-mode nil | |
d5e52f99 | 570 | )) |
f1097063 | 571 | |
d5e52f99 | 572 | ;; minibuffer faces |
2f3eb3b6 MK |
573 | (if (viper-has-face-support-p) |
574 | (setq viper-minibuffer-current-face | |
575 | (cond ((eq state 'emacs-state) viper-minibuffer-emacs-face) | |
576 | ((eq state 'vi-state) viper-minibuffer-vi-face) | |
d5e52f99 | 577 | ((memq state '(insert-state replace-state)) |
2f3eb3b6 | 578 | viper-minibuffer-insert-face)))) |
f1097063 | 579 | |
2f3eb3b6 MK |
580 | (if (viper-is-in-minibuffer) |
581 | (viper-set-minibuffer-overlay)) | |
d5e52f99 MK |
582 | ) |
583 | ||
584 | ;; This also takes care of the annoying incomplete lines in files. | |
585 | ;; Also, this fixes `undo' to work vi-style for complex commands. | |
2f3eb3b6 | 586 | (defun viper-change-state-to-vi () |
d5e52f99 MK |
587 | "Change Viper state to Vi." |
588 | (interactive) | |
2f3eb3b6 | 589 | (if (and viper-first-time (not (viper-is-in-minibuffer))) |
d5e52f99 MK |
590 | (viper-mode) |
591 | (if overwrite-mode (overwrite-mode nil)) | |
3af0304a MK |
592 | (or (viper-overlay-p viper-replace-overlay) |
593 | (viper-set-replace-overlay (point-min) (point-min))) | |
594 | (viper-hide-replace-overlay) | |
d5e52f99 MK |
595 | (if abbrev-mode (expand-abbrev)) |
596 | (if (and auto-fill-function (> (current-column) fill-column)) | |
597 | (funcall auto-fill-function)) | |
598 | ;; don't leave whitespace lines around | |
599 | (if (and (memq last-command | |
2f3eb3b6 MK |
600 | '(viper-autoindent |
601 | viper-open-line viper-Open-line | |
602 | viper-replace-state-exit-cmd)) | |
603 | (viper-over-whitespace-line)) | |
d5e52f99 | 604 | (indent-to-left-margin)) |
2f3eb3b6 | 605 | (viper-add-newline-at-eob-if-necessary) |
34317da2 | 606 | (viper-adjust-undo) |
2f3eb3b6 | 607 | (viper-change-state 'vi-state) |
d5e52f99 | 608 | |
3af0304a | 609 | (viper-restore-cursor-color 'after-insert-mode) |
f1097063 | 610 | |
34317da2 | 611 | ;; Protect against user errors in hooks |
d5e52f99 | 612 | (condition-case conds |
2f3eb3b6 | 613 | (run-hooks 'viper-vi-state-hook) |
d5e52f99 | 614 | (error |
2f3eb3b6 | 615 | (viper-message-conditions conds))))) |
d5e52f99 | 616 | |
2f3eb3b6 | 617 | (defun viper-change-state-to-insert () |
d5e52f99 MK |
618 | "Change Viper state to Insert." |
619 | (interactive) | |
2f3eb3b6 | 620 | (viper-change-state 'insert-state) |
34317da2 | 621 | |
3af0304a MK |
622 | (or (viper-overlay-p viper-replace-overlay) |
623 | (viper-set-replace-overlay (point-min) (point-min))) | |
624 | (viper-hide-replace-overlay) | |
f1097063 | 625 | |
3af0304a MK |
626 | (let ((has-saved-cursor-color-in-insert-mode |
627 | (stringp (viper-get-saved-cursor-color-in-insert-mode)))) | |
628 | (or has-saved-cursor-color-in-insert-mode | |
629 | (string= (viper-get-cursor-color) viper-insert-state-cursor-color) | |
630 | (viper-save-cursor-color 'before-insert-mode)) | |
f1097063 SS |
631 | (viper-change-cursor-color viper-insert-state-cursor-color)) |
632 | ||
34317da2 | 633 | ;; Protect against user errors in hooks |
d5e52f99 | 634 | (condition-case conds |
2f3eb3b6 | 635 | (run-hooks 'viper-insert-state-hook) |
d5e52f99 | 636 | (error |
2f3eb3b6 | 637 | (viper-message-conditions conds)))) |
f1097063 | 638 | |
2f3eb3b6 MK |
639 | (defsubst viper-downgrade-to-insert () |
640 | (setq viper-current-state 'insert-state | |
41497c90 | 641 | viper-replace-minor-mode nil)) |
d5e52f99 | 642 | |
f1097063 SS |
643 | |
644 | ||
3af0304a | 645 | ;; Change to replace state. When the end of replacement region is reached, |
d5e52f99 | 646 | ;; replace state changes to insert state. |
2f3eb3b6 MK |
647 | (defun viper-change-state-to-replace (&optional non-R-cmd) |
648 | (viper-change-state 'replace-state) | |
d5e52f99 MK |
649 | ;; Run insert-state-hook |
650 | (condition-case conds | |
2f3eb3b6 | 651 | (run-hooks 'viper-insert-state-hook 'viper-replace-state-hook) |
d5e52f99 | 652 | (error |
2f3eb3b6 | 653 | (viper-message-conditions conds))) |
f1097063 | 654 | |
d5e52f99 | 655 | (if non-R-cmd |
2f3eb3b6 | 656 | (viper-start-replace) |
d5e52f99 | 657 | ;; 'R' is implemented using Emacs's overwrite-mode |
2f3eb3b6 | 658 | (viper-start-R-mode)) |
d5e52f99 MK |
659 | ) |
660 | ||
f1097063 | 661 | |
2f3eb3b6 | 662 | (defun viper-change-state-to-emacs () |
d5e52f99 MK |
663 | "Change Viper state to Emacs." |
664 | (interactive) | |
3af0304a MK |
665 | (or (viper-overlay-p viper-replace-overlay) |
666 | (viper-set-replace-overlay (point-min) (point-min))) | |
667 | (viper-hide-replace-overlay) | |
2f3eb3b6 | 668 | (viper-change-state 'emacs-state) |
f1097063 | 669 | |
34317da2 | 670 | ;; Protect agains user errors in hooks |
d5e52f99 | 671 | (condition-case conds |
2f3eb3b6 | 672 | (run-hooks 'viper-emacs-state-hook) |
d5e52f99 | 673 | (error |
2f3eb3b6 | 674 | (viper-message-conditions conds)))) |
f1097063 | 675 | |
d5e52f99 | 676 | ;; escape to emacs mode termporarily |
2f3eb3b6 | 677 | (defun viper-escape-to-emacs (arg &optional events) |
d5e52f99 MK |
678 | "Escape to Emacs state from Vi state for one Emacs command. |
679 | ARG is used as the prefix value for the executed command. If | |
680 | EVENTS is a list of events, which become the beginning of the command." | |
681 | (interactive "P") | |
682 | (if (= last-command-char ?\\) | |
683 | (message "Switched to EMACS state for the next command...")) | |
2f3eb3b6 | 684 | (viper-escape-to-state arg events 'emacs-state)) |
f1097063 | 685 | |
d5e52f99 | 686 | ;; escape to Vi mode termporarily |
2f3eb3b6 | 687 | (defun viper-escape-to-vi (arg) |
d5e52f99 MK |
688 | "Escape from Emacs state to Vi state for one Vi 1-character command. |
689 | If the Vi command that the user types has a prefix argument, e.g., `d2w', then | |
3af0304a | 690 | Vi's prefix argument will be used. Otherwise, the prefix argument passed to |
2f3eb3b6 | 691 | `viper-escape-to-vi' is used." |
d5e52f99 MK |
692 | (interactive "P") |
693 | (message "Switched to VI state for the next command...") | |
2f3eb3b6 | 694 | (viper-escape-to-state arg nil 'vi-state)) |
f1097063 | 695 | |
d5e52f99 | 696 | ;; Escape to STATE mode for one Emacs command. |
2f3eb3b6 | 697 | (defun viper-escape-to-state (arg events state) |
d5e52f99 MK |
698 | ;;(let (com key prefix-arg) |
699 | (let (com key) | |
700 | ;; this temporarily turns off Viper's minor mode keymaps | |
2f3eb3b6 MK |
701 | (viper-set-mode-vars-for state) |
702 | (viper-normalize-minor-mode-map-alist) | |
703 | (if events (viper-set-unread-command-events events)) | |
f1097063 | 704 | |
d5e52f99 MK |
705 | ;; protect against keyboard quit and other errors |
706 | (condition-case nil | |
f1097063 | 707 | (let (viper-vi-kbd-minor-mode |
2f3eb3b6 MK |
708 | viper-insert-kbd-minor-mode |
709 | viper-emacs-kbd-minor-mode) | |
d5e52f99 MK |
710 | (unwind-protect |
711 | (progn | |
f1097063 | 712 | (setq com (key-binding (setq key |
2f3eb3b6 | 713 | (if viper-xemacs-p |
d5e52f99 MK |
714 | (read-key-sequence nil) |
715 | (read-key-sequence nil t))))) | |
716 | ;; In case of binding indirection--chase definitions. | |
717 | ;; Have to do it here because we execute this command under | |
718 | ;; different keymaps, so command-execute may not do the | |
719 | ;; right thing there | |
720 | (while (vectorp com) (setq com (key-binding com)))) | |
721 | nil) | |
722 | ;; Execute command com in the original Viper state, not in state | |
3af0304a | 723 | ;; `state'. Otherwise, if we switch buffers while executing the |
d5e52f99 | 724 | ;; escaped to command, Viper's mode vars will remain those of |
3af0304a | 725 | ;; `state'. When we return to the orig buffer, the bindings will be |
d5e52f99 | 726 | ;; screwed up. |
2f3eb3b6 | 727 | (viper-set-mode-vars-for viper-current-state) |
f1097063 | 728 | |
d5e52f99 MK |
729 | ;; this-command, last-command-char, last-command-event |
730 | (setq this-command com) | |
2f3eb3b6 MK |
731 | (if viper-xemacs-p ; XEmacs represents key sequences as vectors |
732 | (setq last-command-event | |
733 | (viper-copy-event (viper-seq-last-elt key)) | |
d5e52f99 MK |
734 | last-command-char (event-to-character last-command-event)) |
735 | ;; Emacs represents them as sequences (str or vec) | |
2f3eb3b6 MK |
736 | (setq last-command-event |
737 | (viper-copy-event (viper-seq-last-elt key)) | |
d5e52f99 | 738 | last-command-char last-command-event)) |
f1097063 | 739 | |
d5e52f99 MK |
740 | (if (commandp com) |
741 | (progn | |
742 | (setq prefix-arg (or prefix-arg arg)) | |
743 | (command-execute com))) | |
744 | ) | |
745 | (quit (ding)) | |
746 | (error (beep 1)))) | |
747 | ;; set state in the new buffer | |
2f3eb3b6 | 748 | (viper-set-mode-vars-for viper-current-state)) |
f1097063 | 749 | |
2f3eb3b6 | 750 | (defun viper-exec-form-in-vi (form) |
d5e52f99 MK |
751 | "Execute FORM in Vi state, regardless of the Ccurrent Vi state." |
752 | (let ((buff (current-buffer)) | |
753 | result) | |
2f3eb3b6 | 754 | (viper-set-mode-vars-for 'vi-state) |
d5e52f99 MK |
755 | |
756 | (condition-case nil | |
2f3eb3b6 MK |
757 | (let (viper-vi-kbd-minor-mode) ; execute without kbd macros |
758 | (setq result (eval form)) | |
759 | ) | |
d5e52f99 MK |
760 | (error |
761 | (signal 'quit nil))) | |
762 | ||
763 | (if (not (equal buff (current-buffer))) ; cmd switched buffer | |
764 | (save-excursion | |
765 | (set-buffer buff) | |
2f3eb3b6 MK |
766 | (viper-set-mode-vars-for viper-current-state))) |
767 | (viper-set-mode-vars-for viper-current-state) | |
d5e52f99 MK |
768 | result)) |
769 | ||
2f3eb3b6 | 770 | (defun viper-exec-form-in-emacs (form) |
d5e52f99 | 771 | "Execute FORM in Emacs, temporarily disabling Viper's minor modes. |
2f3eb3b6 | 772 | Similar to viper-escape-to-emacs, but accepts forms rather than keystrokes." |
d5e52f99 MK |
773 | (let ((buff (current-buffer)) |
774 | result) | |
2f3eb3b6 | 775 | (viper-set-mode-vars-for 'emacs-state) |
d5e52f99 MK |
776 | (setq result (eval form)) |
777 | (if (not (equal buff (current-buffer))) ; cmd switched buffer | |
778 | (save-excursion | |
779 | (set-buffer buff) | |
2f3eb3b6 MK |
780 | (viper-set-mode-vars-for viper-current-state))) |
781 | (viper-set-mode-vars-for viper-current-state) | |
d5e52f99 MK |
782 | result)) |
783 | ||
f1097063 | 784 | |
d5e52f99 | 785 | ;; This is needed because minor modes sometimes override essential Viper |
3af0304a | 786 | ;; bindings. By letting Viper know which files these modes are in, it will |
d5e52f99 | 787 | ;; arrange to reorganize minor-mode-map-alist so that things will work right. |
2f3eb3b6 | 788 | (defun viper-harness-minor-mode (load-file) |
d5e52f99 MK |
789 | "Familiarize Viper with a minor mode defined in LOAD_FILE. |
790 | Minor modes that have their own keymaps may overshadow Viper keymaps. | |
791 | This function is designed to make Viper aware of the packages that define | |
792 | such minor modes. | |
793 | Usage: | |
2f3eb3b6 | 794 | (viper-harness-minor-mode load-file) |
d5e52f99 MK |
795 | |
796 | LOAD-FILE is a name of the file where the specific minor mode is defined. | |
797 | Suffixes such as .el or .elc should be stripped." | |
798 | ||
799 | (interactive "sEnter name of the load file: ") | |
f1097063 | 800 | |
2f3eb3b6 | 801 | (eval-after-load load-file '(viper-normalize-minor-mode-map-alist)) |
f1097063 | 802 | |
d5e52f99 MK |
803 | ;; Change the default for minor-mode-map-alist each time a harnessed minor |
804 | ;; mode adds its own keymap to the a-list. | |
2f3eb3b6 | 805 | (eval-after-load |
d5e52f99 MK |
806 | load-file '(setq-default minor-mode-map-alist minor-mode-map-alist)) |
807 | ) | |
808 | ||
809 | ||
2f3eb3b6 | 810 | (defun viper-ESC (arg) |
d5e52f99 | 811 | "Emulate ESC key in Emacs. |
2f3eb3b6 MK |
812 | Prevents multiple escape keystrokes if viper-no-multiple-ESC is true. |
813 | If viper-no-multiple-ESC is 'twice double ESC would ding in vi-state. | |
d5e52f99 | 814 | Other ESC sequences are emulated via the current Emacs's major mode |
3af0304a MK |
815 | keymap. This is more convenient on TTYs, since this won't block |
816 | function keys such as up,down, etc. ESC will also will also work as | |
817 | a Meta key in this case. When viper-no-multiple-ESC is nil, ESC functions | |
d5e52f99 MK |
818 | as a Meta key and any number of multiple escapes is allowed." |
819 | (interactive "P") | |
820 | (let (char) | |
2f3eb3b6 MK |
821 | (cond ((and (not viper-no-multiple-ESC) (eq viper-current-state 'vi-state)) |
822 | (setq char (viper-read-char-exclusive)) | |
823 | (viper-escape-to-emacs arg (list ?\e char) )) | |
f1097063 | 824 | ((and (eq viper-no-multiple-ESC 'twice) |
2f3eb3b6 MK |
825 | (eq viper-current-state 'vi-state)) |
826 | (setq char (viper-read-char-exclusive)) | |
827 | (if (= char (string-to-char viper-ESC-key)) | |
d5e52f99 | 828 | (ding) |
2f3eb3b6 | 829 | (viper-escape-to-emacs arg (list ?\e char) ))) |
d5e52f99 MK |
830 | (t (ding))) |
831 | )) | |
832 | ||
2f3eb3b6 | 833 | (defun viper-alternate-Meta-key (arg) |
d5e52f99 MK |
834 | "Simulate Emacs Meta key." |
835 | (interactive "P") | |
836 | (sit-for 1) (message "ESC-") | |
2f3eb3b6 | 837 | (viper-escape-to-emacs arg '(?\e))) |
d5e52f99 | 838 | |
2f3eb3b6 MK |
839 | (defun viper-toggle-key-action () |
840 | "Action bound to `viper-toggle-key'." | |
d5e52f99 | 841 | (interactive) |
2f3eb3b6 MK |
842 | (if (and (< viper-expert-level 2) (equal viper-toggle-key "\C-z")) |
843 | (if (viper-window-display-p) | |
844 | (viper-iconify) | |
d5e52f99 | 845 | (suspend-emacs)) |
2f3eb3b6 | 846 | (viper-change-state-to-emacs))) |
d5e52f99 MK |
847 | |
848 | \f | |
849 | ;; Intercept ESC sequences on dumb terminals. | |
850 | ;; Based on the idea contributed by Marcelino Veiga Tuimil <mveiga@dit.upm.es> | |
851 | ||
852 | ;; Check if last key was ESC and if so try to reread it as a function key. | |
853 | ;; But only if there are characters to read during a very short time. | |
854 | ;; Returns the last event, if any. | |
2f3eb3b6 | 855 | (defun viper-envelop-ESC-key () |
d5e52f99 MK |
856 | (let ((event last-input-event) |
857 | (keyseq [nil]) | |
858 | inhibit-quit) | |
2f3eb3b6 | 859 | (if (viper-ESC-event-p event) |
f1097063 | 860 | (progn |
2f3eb3b6 | 861 | (if (viper-fast-keysequence-p) |
d5e52f99 MK |
862 | (progn |
863 | (let (minor-mode-map-alist) | |
2f3eb3b6 | 864 | (viper-set-unread-command-events event) |
d5e52f99 MK |
865 | (setq keyseq |
866 | (funcall | |
867 | (ad-get-orig-definition 'read-key-sequence) nil)) | |
868 | ) ; let | |
869 | ;; If keyseq translates into something that still has ESC | |
870 | ;; at the beginning, separate ESC from the rest of the seq. | |
871 | ;; In XEmacs we check for events that are keypress meta-key | |
872 | ;; and convert them into [escape key] | |
873 | ;; | |
874 | ;; This is needed for the following reason: | |
875 | ;; If ESC is the first symbol, we interpret it as if the | |
876 | ;; user typed ESC and then quickly some other symbols. | |
877 | ;; If ESC is not the first one, then the key sequence | |
878 | ;; entered was apparently translated into a function key or | |
879 | ;; something (e.g., one may have | |
880 | ;; (define-key function-key-map "\e[192z" [f11]) | |
881 | ;; which would translate the escape-sequence generated by | |
882 | ;; f11 in an xterm window into the symbolic key f11. | |
883 | ;; | |
884 | ;; If `first-key' is not an ESC event, we make it into the | |
885 | ;; last-command-event in order to pretend that this key was | |
3af0304a MK |
886 | ;; pressed. This is needed to allow arrow keys to be bound to |
887 | ;; macros. Otherwise, viper-exec-mapped-kbd-macro will think | |
2f3eb3b6 | 888 | ;; that the last event was ESC and so it'll execute whatever is |
d5e52f99 MK |
889 | ;; bound to ESC. (Viper macros can't be bound to |
890 | ;; ESC-sequences). | |
891 | (let* ((first-key (elt keyseq 0)) | |
892 | (key-mod (event-modifiers first-key))) | |
55d7ff38 MK |
893 | (cond ((and (viper-ESC-event-p first-key) |
894 | (not viper-translate-all-ESC-keysequences)) | |
d5e52f99 MK |
895 | ;; put keys following ESC on the unread list |
896 | ;; and return ESC as the key-sequence | |
2f3eb3b6 | 897 | (viper-set-unread-command-events (subseq keyseq 1)) |
d5e52f99 | 898 | (setq last-input-event event |
2f3eb3b6 | 899 | keyseq (if viper-emacs-p |
d5e52f99 MK |
900 | "\e" |
901 | (vector (character-to-event ?\e))))) | |
2f3eb3b6 | 902 | ((and viper-xemacs-p |
d5e52f99 MK |
903 | (key-press-event-p first-key) |
904 | (equal '(meta) key-mod)) | |
f1097063 | 905 | (viper-set-unread-command-events |
d5e52f99 MK |
906 | (vconcat (vector |
907 | (character-to-event (event-key first-key))) | |
908 | (subseq keyseq 1))) | |
909 | (setq last-input-event event | |
910 | keyseq (vector (character-to-event ?\e)))) | |
911 | ((eventp first-key) | |
2f3eb3b6 MK |
912 | (setq last-command-event |
913 | (viper-copy-event first-key))) | |
d5e52f99 MK |
914 | )) |
915 | ) ; end progn | |
f1097063 | 916 | |
d5e52f99 MK |
917 | ;; this is escape event with nothing after it |
918 | ;; put in unread-command-event and then re-read | |
2f3eb3b6 | 919 | (viper-set-unread-command-events event) |
d5e52f99 MK |
920 | (setq keyseq |
921 | (funcall (ad-get-orig-definition 'read-key-sequence) nil)) | |
922 | )) | |
923 | ;; not an escape event | |
924 | (setq keyseq (vector event))) | |
925 | keyseq)) | |
926 | ||
f1097063 | 927 | |
d5e52f99 MK |
928 | |
929 | ;; Listen to ESC key. | |
930 | ;; If a sequence of keys starting with ESC is issued with very short delays, | |
931 | ;; interpret these keys in Emacs mode, so ESC won't be interpreted as a Vi key. | |
2f3eb3b6 | 932 | (defun viper-intercept-ESC-key () |
d5e52f99 MK |
933 | "Function that implements ESC key in Viper emulation of Vi." |
934 | (interactive) | |
f1097063 | 935 | (let ((cmd (or (key-binding (viper-envelop-ESC-key)) |
d5e52f99 | 936 | '(lambda () (interactive) (error ""))))) |
f1097063 | 937 | |
d5e52f99 MK |
938 | ;; call the actual function to execute ESC (if no other symbols followed) |
939 | ;; or the key bound to the ESC sequence (if the sequence was issued | |
940 | ;; with very short delay between characters. | |
2f3eb3b6 | 941 | (if (eq cmd 'viper-intercept-ESC-key) |
d5e52f99 | 942 | (setq cmd |
2f3eb3b6 MK |
943 | (cond ((eq viper-current-state 'vi-state) |
944 | 'viper-ESC) | |
945 | ((eq viper-current-state 'insert-state) | |
f1097063 | 946 | 'viper-exit-insert-state) |
2f3eb3b6 MK |
947 | ((eq viper-current-state 'replace-state) |
948 | 'viper-replace-state-exit-cmd) | |
949 | (t 'viper-change-state-to-vi) | |
d5e52f99 MK |
950 | ))) |
951 | (call-interactively cmd))) | |
952 | ||
f1097063 | 953 | |
d5e52f99 MK |
954 | |
955 | \f | |
956 | ;; prefix argument for Vi mode | |
957 | ||
958 | ;; In Vi mode, prefix argument is a dotted pair (NUM . COM) where NUM | |
959 | ;; represents the numeric value of the prefix argument and COM represents | |
960 | ;; command prefix such as "c", "d", "m" and "y". | |
961 | ||
962 | ;; Get value part of prefix-argument ARG. | |
2f3eb3b6 | 963 | (defsubst viper-p-val (arg) |
d5e52f99 MK |
964 | (cond ((null arg) 1) |
965 | ((consp arg) | |
966 | (if (or (null (car arg)) (equal (car arg) '(nil))) | |
967 | 1 (car arg))) | |
968 | (t arg))) | |
969 | ||
970 | ;; Get raw value part of prefix-argument ARG. | |
2f3eb3b6 | 971 | (defsubst viper-P-val (arg) |
d5e52f99 MK |
972 | (cond ((consp arg) (car arg)) |
973 | (t arg))) | |
974 | ||
975 | ;; Get com part of prefix-argument ARG. | |
2f3eb3b6 | 976 | (defsubst viper-getcom (arg) |
d5e52f99 MK |
977 | (cond ((null arg) nil) |
978 | ((consp arg) (cdr arg)) | |
979 | (t nil))) | |
980 | ||
981 | ;; Get com part of prefix-argument ARG and modify it. | |
2f3eb3b6 MK |
982 | (defun viper-getCom (arg) |
983 | (let ((com (viper-getcom arg))) | |
984 | (cond ((equal com ?c) ?c) | |
985 | ;; Previously, ?c was being converted to ?C, but this prevented | |
986 | ;; multiline replace regions. | |
987 | ;;((equal com ?c) ?C) | |
d5e52f99 MK |
988 | ((equal com ?d) ?D) |
989 | ((equal com ?y) ?Y) | |
990 | (t com)))) | |
991 | ||
992 | ||
f1097063 | 993 | ;; Compute numeric prefix arg value. |
3af0304a | 994 | ;; Invoked by EVENT. COM is the command part obtained so far. |
2eb4bdca | 995 | (defun viper-prefix-arg-value (event-char com) |
2f3eb3b6 MK |
996 | (let ((viper-intermediate-command 'viper-digit-argument) |
997 | value func) | |
d5e52f99 | 998 | ;; read while number |
2eb4bdca MK |
999 | (while (and (viper-characterp event-char) |
1000 | (>= event-char ?0) (<= event-char ?9)) | |
1001 | (setq value (+ (* (if (integerp value) value 0) 10) (- event-char ?0))) | |
1002 | (setq event-char (viper-read-event-convert-to-char))) | |
f1097063 | 1003 | |
d5e52f99 MK |
1004 | (setq prefix-arg value) |
1005 | (if com (setq prefix-arg (cons prefix-arg com))) | |
2eb4bdca | 1006 | (while (eq event-char ?U) |
2f3eb3b6 | 1007 | (viper-describe-arg prefix-arg) |
2eb4bdca | 1008 | (setq event-char (viper-read-event-convert-to-char))) |
f1097063 | 1009 | |
2f3eb3b6 | 1010 | (if (or com (and (not (eq viper-current-state 'vi-state)) |
d5e52f99 | 1011 | ;; make sure it is a Vi command |
2eb4bdca MK |
1012 | (viper-characterp event-char) |
1013 | (viper-vi-command-p event-char) | |
d5e52f99 MK |
1014 | )) |
1015 | ;; If appears to be one of the vi commands, | |
1016 | ;; then execute it with funcall and clear prefix-arg in order to not | |
1017 | ;; confuse subsequent commands | |
1018 | (progn | |
1019 | ;; last-command-char is the char we want emacs to think was typed | |
3af0304a | 1020 | ;; last. If com is not nil, the viper-digit-argument command was |
2f3eb3b6 | 1021 | ;; called from within viper-prefix-arg command, such as `d', `w', |
3af0304a | 1022 | ;; etc., i.e., the user typed, say, d2. In this case, `com' would be |
2f3eb3b6 MK |
1023 | ;; `d', `w', etc. If viper-digit-argument was invoked by |
1024 | ;; viper-escape-to-vi (which is indicated by the fact that the | |
2eb4bdca | 1025 | ;; current state is not vi-state), then `event-char' represents the |
3af0304a | 1026 | ;; vi command to be executed (e.g., `d', `w', etc). Again, |
2f3eb3b6 MK |
1027 | ;; last-command-char must make emacs believe that this is the command |
1028 | ;; we typed. | |
2eb4bdca MK |
1029 | (cond ((eq event-char 'return) (setq event-char ?\C-m)) |
1030 | ((eq event-char 'delete) (setq event-char ?\C-?)) | |
1031 | ((eq event-char 'backspace) (setq event-char ?\C-h)) | |
1032 | ((eq event-char 'space) (setq event-char ?\ ))) | |
1033 | (setq last-command-char (or com event-char)) | |
f1097063 SS |
1034 | (setq func (viper-exec-form-in-vi |
1035 | `(key-binding (char-to-string ,event-char)))) | |
d5e52f99 MK |
1036 | (funcall func prefix-arg) |
1037 | (setq prefix-arg nil)) | |
7d3f9fd8 MK |
1038 | ;; some other command -- let emacs do it in its own way |
1039 | (viper-set-unread-command-events event-char)) | |
d5e52f99 | 1040 | )) |
f1097063 | 1041 | |
d5e52f99 MK |
1042 | |
1043 | ;; Vi operator as prefix argument." | |
2f3eb3b6 | 1044 | (defun viper-prefix-arg-com (char value com) |
d5e52f99 | 1045 | (let ((cont t) |
f1097063 | 1046 | cmd-info |
c81246f3 | 1047 | cmd-to-exec-at-end) |
d5e52f99 MK |
1048 | (while (and cont |
1049 | (memq char | |
1050 | (list ?c ?d ?y ?! ?< ?> ?= ?# ?r ?R ?\" | |
2f3eb3b6 | 1051 | viper-buffer-search-char))) |
d5e52f99 MK |
1052 | (if com |
1053 | ;; this means that we already have a command character, so we | |
1054 | ;; construct a com list and exit while. however, if char is " | |
1055 | ;; it is an error. | |
1056 | (progn | |
1057 | ;; new com is (CHAR . OLDCOM) | |
1058 | (if (memq char '(?# ?\")) (error "")) | |
1059 | (setq com (cons char com)) | |
1060 | (setq cont nil)) | |
7d3f9fd8 MK |
1061 | ;; If com is nil we set com as char, and read more. Again, if char is |
1062 | ;; ", we read the name of register and store it in viper-use-register. | |
1063 | ;; if char is !, =, or #, a complete com is formed so we exit the while | |
1064 | ;; loop. | |
1065 | (cond ((memq char '(?! ?=)) | |
1066 | (setq com char) | |
1067 | (setq char (read-char)) | |
1068 | (setq cont nil)) | |
1069 | ((= char ?#) | |
1070 | ;; read a char and encode it as com | |
1071 | (setq com (+ 128 (read-char))) | |
1072 | (setq char (read-char))) | |
1073 | ((= char ?\") | |
1074 | (let ((reg (read-char))) | |
1075 | (if (viper-valid-register reg) | |
1076 | (setq viper-use-register reg) | |
1077 | (error "")) | |
1078 | (setq char (read-char)))) | |
1079 | (t | |
1080 | (setq com char) | |
1081 | (setq char (read-char)))))) | |
1082 | ||
1083 | (if (atom com) | |
1084 | ;; `com' is a single char, so we construct the command argument | |
1085 | ;; and if `char' is `?', we describe the arg; otherwise | |
1086 | ;; we prepare the command that will be executed at the end. | |
1087 | (progn | |
1088 | (setq cmd-info (cons value com)) | |
1089 | (while (= char ?U) | |
1090 | (viper-describe-arg cmd-info) | |
1091 | (setq char (read-char))) | |
1092 | ;; `char' is a movement cmd, a digit arg cmd, or a register cmd---so we | |
1093 | ;; execute it at the very end | |
1094 | (or (viper-movement-command-p char) | |
1095 | (viper-digit-command-p char) | |
1096 | (viper-regsuffix-command-p char) | |
1097 | (= char ?!) ; bang command | |
1098 | (error "")) | |
1099 | (setq cmd-to-exec-at-end | |
1100 | (viper-exec-form-in-vi | |
1101 | `(key-binding (char-to-string ,char))))) | |
1102 | ||
1103 | ;; as com is non-nil, this means that we have a command to execute | |
1104 | (if (memq (car com) '(?r ?R)) | |
1105 | ;; execute apropriate region command. | |
1106 | (let ((char (car com)) (com (cdr com))) | |
1107 | (setq prefix-arg (cons value com)) | |
1108 | (if (= char ?r) (viper-region prefix-arg) | |
1109 | (viper-Region prefix-arg)) | |
1110 | ;; reset prefix-arg | |
1111 | (setq prefix-arg nil)) | |
1112 | ;; otherwise, reset prefix arg and call appropriate command | |
1113 | (setq value (if (null value) 1 value)) | |
1114 | (setq prefix-arg nil) | |
1115 | (cond | |
1116 | ;; If we change ?C to ?c here, then cc will enter replacement mode | |
1117 | ;; rather than deleting lines. However, it will affect 1 less line than | |
1118 | ;; normal. We decided to not use replacement mode here and follow Vi, | |
1119 | ;; since replacement mode on n full lines can be achieved with nC. | |
1120 | ((equal com '(?c . ?c)) (viper-line (cons value ?C))) | |
1121 | ((equal com '(?d . ?d)) (viper-line (cons value ?D))) | |
1122 | ((equal com '(?d . ?y)) (viper-yank-defun)) | |
1123 | ((equal com '(?y . ?y)) (viper-line (cons value ?Y))) | |
1124 | ((equal com '(?< . ?<)) (viper-line (cons value ?<))) | |
1125 | ((equal com '(?> . ?>)) (viper-line (cons value ?>))) | |
1126 | ((equal com '(?! . ?!)) (viper-line (cons value ?!))) | |
1127 | ((equal com '(?= . ?=)) (viper-line (cons value ?=))) | |
1128 | (t (error ""))))) | |
1129 | ||
1130 | (if cmd-to-exec-at-end | |
1131 | (progn | |
1132 | (setq last-command-char char) | |
1133 | (setq last-command-event | |
1134 | (viper-copy-event | |
1135 | (if viper-xemacs-p (character-to-event char) char))) | |
1136 | (condition-case nil | |
1137 | (funcall cmd-to-exec-at-end cmd-info) | |
1138 | (error | |
1139 | (error ""))))) | |
1140 | )) | |
d5e52f99 | 1141 | |
2f3eb3b6 | 1142 | (defun viper-describe-arg (arg) |
d5e52f99 | 1143 | (let (val com) |
2f3eb3b6 MK |
1144 | (setq val (viper-P-val arg) |
1145 | com (viper-getcom arg)) | |
d5e52f99 MK |
1146 | (if (null val) |
1147 | (if (null com) | |
1148 | (message "Value is nil, and command is nil") | |
1149 | (message "Value is nil, and command is `%c'" com)) | |
1150 | (if (null com) | |
1151 | (message "Value is `%d', and command is nil" val) | |
1152 | (message "Value is `%d', and command is `%c'" val com))))) | |
1153 | ||
2f3eb3b6 | 1154 | (defun viper-digit-argument (arg) |
d5e52f99 MK |
1155 | "Begin numeric argument for the next command." |
1156 | (interactive "P") | |
2f3eb3b6 MK |
1157 | (viper-leave-region-active) |
1158 | (viper-prefix-arg-value | |
d5e52f99 MK |
1159 | last-command-char (if (consp arg) (cdr arg) nil))) |
1160 | ||
2f3eb3b6 | 1161 | (defun viper-command-argument (arg) |
d5e52f99 MK |
1162 | "Accept a motion command as an argument." |
1163 | (interactive "P") | |
2f3eb3b6 | 1164 | (let ((viper-intermediate-command 'viper-command-argument)) |
d5e52f99 | 1165 | (condition-case nil |
2f3eb3b6 | 1166 | (viper-prefix-arg-com |
f1097063 | 1167 | last-command-char |
d5e52f99 MK |
1168 | (cond ((null arg) nil) |
1169 | ((consp arg) (car arg)) | |
1170 | ((integerp arg) arg) | |
2f3eb3b6 | 1171 | (t (error viper-InvalidCommandArgument))) |
d5e52f99 MK |
1172 | (cond ((null arg) nil) |
1173 | ((consp arg) (cdr arg)) | |
1174 | ((integerp arg) nil) | |
2f3eb3b6 MK |
1175 | (t (error viper-InvalidCommandArgument)))) |
1176 | (quit (setq viper-use-register nil) | |
d5e52f99 | 1177 | (signal 'quit nil))) |
2f3eb3b6 | 1178 | (viper-deactivate-mark))) |
d5e52f99 MK |
1179 | |
1180 | \f | |
1181 | ;; repeat last destructive command | |
1182 | ||
1183 | ;; Append region to text in register REG. | |
1184 | ;; START and END are buffer positions indicating what to append. | |
2f3eb3b6 | 1185 | (defsubst viper-append-to-register (reg start end) |
d5e52f99 MK |
1186 | (set-register reg (concat (if (stringp (get-register reg)) |
1187 | (get-register reg) "") | |
1188 | (buffer-substring start end)))) | |
1189 | ||
2f3eb3b6 MK |
1190 | ;; Saves last inserted text for possible use by viper-repeat command. |
1191 | (defun viper-save-last-insertion (beg end) | |
96dffd25 MK |
1192 | (condition-case nil |
1193 | (setq viper-last-insertion (buffer-substring beg end)) | |
1194 | (error | |
1195 | ;; beg or end marker are somehow screwed up | |
1196 | (setq viper-last-insertion nil))) | |
2f3eb3b6 MK |
1197 | (setq viper-last-insertion (buffer-substring beg end)) |
1198 | (or (< (length viper-d-com) 5) | |
1199 | (setcar (nthcdr 4 viper-d-com) viper-last-insertion)) | |
1200 | (or (null viper-command-ring) | |
1201 | (ring-empty-p viper-command-ring) | |
d5e52f99 | 1202 | (progn |
2f3eb3b6 MK |
1203 | (setcar (nthcdr 4 (viper-current-ring-item viper-command-ring)) |
1204 | viper-last-insertion) | |
d5e52f99 | 1205 | ;; del most recent elt, if identical to the second most-recent |
2f3eb3b6 | 1206 | (viper-cleanup-ring viper-command-ring))) |
d5e52f99 | 1207 | ) |
f1097063 | 1208 | |
2f3eb3b6 MK |
1209 | (defsubst viper-yank-last-insertion () |
1210 | "Inserts the text saved by the previous viper-save-last-insertion command." | |
d5e52f99 | 1211 | (condition-case nil |
2f3eb3b6 | 1212 | (insert viper-last-insertion) |
d5e52f99 | 1213 | (error nil))) |
f1097063 SS |
1214 | |
1215 | ||
d5e52f99 MK |
1216 | ;; define functions to be executed |
1217 | ||
1218 | ;; invoked by the `C' command | |
f1097063 | 1219 | (defun viper-exec-change (m-com com) |
2f3eb3b6 MK |
1220 | (or (and (markerp viper-com-point) (marker-position viper-com-point)) |
1221 | (set-marker viper-com-point (point) (current-buffer))) | |
d5e52f99 | 1222 | ;; handle C cmd at the eol and at eob. |
2f3eb3b6 MK |
1223 | (if (or (and (eolp) (= viper-com-point (point))) |
1224 | (= viper-com-point (point-max))) | |
d5e52f99 MK |
1225 | (progn |
1226 | (insert " ")(backward-char 1))) | |
2f3eb3b6 MK |
1227 | (if (= viper-com-point (point)) |
1228 | (viper-forward-char-carefully)) | |
1229 | (set-mark viper-com-point) | |
1230 | (if (eq m-com 'viper-next-line-at-bol) | |
1231 | (viper-enlarge-region (mark t) (point))) | |
1232 | (if (< (point) (mark t)) | |
1233 | (exchange-point-and-mark)) | |
1234 | (if (eq (preceding-char) ?\n) | |
1235 | (viper-backward-char-carefully)) ; give back the newline | |
d5e52f99 | 1236 | (if (= com ?c) |
2f3eb3b6 MK |
1237 | (viper-change (mark t) (point)) |
1238 | (viper-change-subr (mark t) (point)))) | |
d5e52f99 | 1239 | |
2f3eb3b6 MK |
1240 | ;; this is invoked by viper-substitute-line |
1241 | (defun viper-exec-Change (m-com com) | |
d5e52f99 | 1242 | (save-excursion |
2f3eb3b6 MK |
1243 | (set-mark viper-com-point) |
1244 | (viper-enlarge-region (mark t) (point)) | |
1245 | (if viper-use-register | |
d5e52f99 | 1246 | (progn |
2f3eb3b6 | 1247 | (cond ((viper-valid-register viper-use-register '(letter digit)) |
d5e52f99 | 1248 | (copy-to-register |
2f3eb3b6 MK |
1249 | viper-use-register (mark t) (point) nil)) |
1250 | ((viper-valid-register viper-use-register '(Letter)) | |
1251 | (viper-append-to-register | |
1252 | (downcase viper-use-register) (mark t) (point))) | |
1253 | (t (setq viper-use-register nil) | |
1254 | (error viper-InvalidRegister viper-use-register))) | |
1255 | (setq viper-use-register nil))) | |
d5e52f99 MK |
1256 | (delete-region (mark t) (point))) |
1257 | (open-line 1) | |
2f3eb3b6 MK |
1258 | (if (= com ?C) |
1259 | (viper-change-state-to-insert) | |
1260 | (viper-yank-last-insertion))) | |
1261 | ||
1262 | (defun viper-exec-delete (m-com com) | |
1263 | (or (and (markerp viper-com-point) (marker-position viper-com-point)) | |
1264 | (set-marker viper-com-point (point) (current-buffer))) | |
3af0304a | 1265 | (let (chars-deleted) |
2f3eb3b6 | 1266 | (if viper-use-register |
d5e52f99 | 1267 | (progn |
2f3eb3b6 | 1268 | (cond ((viper-valid-register viper-use-register '(letter digit)) |
d5e52f99 | 1269 | (copy-to-register |
3af0304a | 1270 | viper-use-register viper-com-point (point) nil)) |
2f3eb3b6 MK |
1271 | ((viper-valid-register viper-use-register '(Letter)) |
1272 | (viper-append-to-register | |
3af0304a | 1273 | (downcase viper-use-register) viper-com-point (point))) |
2f3eb3b6 | 1274 | (t (setq viper-use-register nil) |
3af0304a | 1275 | (error viper-InvalidRegister viper-use-register))) |
2f3eb3b6 | 1276 | (setq viper-use-register nil))) |
d5e52f99 | 1277 | (setq last-command |
3af0304a MK |
1278 | (if (eq last-command 'd-command) 'kill-region nil)) |
1279 | (setq chars-deleted (abs (- (point) viper-com-point))) | |
1280 | (if (> chars-deleted viper-change-notification-threshold) | |
1281 | (message "Deleted %d characters" chars-deleted)) | |
1282 | (kill-region viper-com-point (point)) | |
1283 | (setq this-command 'd-command) | |
1284 | (if viper-ex-style-motion | |
1285 | (if (and (eolp) (not (bolp))) (backward-char 1))))) | |
1286 | ||
1287 | (defun viper-exec-Delete (m-com com) | |
1288 | (save-excursion | |
1289 | (set-mark viper-com-point) | |
1290 | (viper-enlarge-region (mark t) (point)) | |
1291 | (let (lines-deleted) | |
1292 | (if viper-use-register | |
1293 | (progn | |
1294 | (cond ((viper-valid-register viper-use-register '(letter digit)) | |
1295 | (copy-to-register | |
1296 | viper-use-register (mark t) (point) nil)) | |
1297 | ((viper-valid-register viper-use-register '(Letter)) | |
1298 | (viper-append-to-register | |
1299 | (downcase viper-use-register) (mark t) (point))) | |
1300 | (t (setq viper-use-register nil) | |
1301 | (error viper-InvalidRegister viper-use-register))) | |
1302 | (setq viper-use-register nil))) | |
1303 | (setq last-command | |
1304 | (if (eq last-command 'D-command) 'kill-region nil)) | |
1305 | (setq lines-deleted (count-lines (point) viper-com-point)) | |
1306 | (if (> lines-deleted viper-change-notification-threshold) | |
1307 | (message "Deleted %d lines" lines-deleted)) | |
1308 | (kill-region (mark t) (point)) | |
1309 | (if (eq m-com 'viper-line) (setq this-command 'D-command))) | |
1310 | (back-to-indentation))) | |
d5e52f99 | 1311 | |
2eb4bdca | 1312 | ;; save region |
2f3eb3b6 MK |
1313 | (defun viper-exec-yank (m-com com) |
1314 | (or (and (markerp viper-com-point) (marker-position viper-com-point)) | |
1315 | (set-marker viper-com-point (point) (current-buffer))) | |
3af0304a | 1316 | (let (chars-saved) |
2f3eb3b6 | 1317 | (if viper-use-register |
d5e52f99 | 1318 | (progn |
2f3eb3b6 | 1319 | (cond ((viper-valid-register viper-use-register '(letter digit)) |
d5e52f99 | 1320 | (copy-to-register |
3af0304a | 1321 | viper-use-register viper-com-point (point) nil)) |
2f3eb3b6 MK |
1322 | ((viper-valid-register viper-use-register '(Letter)) |
1323 | (viper-append-to-register | |
3af0304a | 1324 | (downcase viper-use-register) viper-com-point (point))) |
2f3eb3b6 | 1325 | (t (setq viper-use-register nil) |
3af0304a | 1326 | (error viper-InvalidRegister viper-use-register))) |
2f3eb3b6 | 1327 | (setq viper-use-register nil))) |
d5e52f99 | 1328 | (setq last-command nil) |
3af0304a MK |
1329 | (copy-region-as-kill viper-com-point (point)) |
1330 | (setq chars-saved (abs (- (point) viper-com-point))) | |
1331 | (if (> chars-saved viper-change-notification-threshold) | |
1332 | (message "Saved %d characters" chars-saved)) | |
1333 | (goto-char viper-com-point))) | |
1334 | ||
1335 | ;; save lines | |
1336 | (defun viper-exec-Yank (m-com com) | |
1337 | (save-excursion | |
1338 | (set-mark viper-com-point) | |
1339 | (viper-enlarge-region (mark t) (point)) | |
1340 | (let (lines-saved) | |
1341 | (if viper-use-register | |
1342 | (progn | |
1343 | (cond ((viper-valid-register viper-use-register '(letter digit)) | |
1344 | (copy-to-register | |
1345 | viper-use-register (mark t) (point) nil)) | |
1346 | ((viper-valid-register viper-use-register '(Letter)) | |
1347 | (viper-append-to-register | |
1348 | (downcase viper-use-register) (mark t) (point))) | |
1349 | (t (setq viper-use-register nil) | |
1350 | (error viper-InvalidRegister viper-use-register))) | |
1351 | (setq viper-use-register nil))) | |
1352 | (setq last-command nil) | |
1353 | (copy-region-as-kill (mark t) (point)) | |
1354 | (setq lines-saved (count-lines (mark t) (point))) | |
1355 | (if (> lines-saved viper-change-notification-threshold) | |
1356 | (message "Saved %d lines" lines-saved)))) | |
2f3eb3b6 MK |
1357 | (viper-deactivate-mark) |
1358 | (goto-char viper-com-point)) | |
d5e52f99 | 1359 | |
2f3eb3b6 | 1360 | (defun viper-exec-bang (m-com com) |
d5e52f99 | 1361 | (save-excursion |
2f3eb3b6 MK |
1362 | (set-mark viper-com-point) |
1363 | (viper-enlarge-region (mark t) (point)) | |
c81246f3 | 1364 | (exchange-point-and-mark) |
d5e52f99 MK |
1365 | (shell-command-on-region |
1366 | (mark t) (point) | |
1367 | (if (= com ?!) | |
2f3eb3b6 | 1368 | (setq viper-last-shell-com |
f1097063 | 1369 | (viper-read-string-with-history |
d5e52f99 MK |
1370 | "!" |
1371 | nil | |
2f3eb3b6 MK |
1372 | 'viper-shell-history |
1373 | (car viper-shell-history) | |
d5e52f99 | 1374 | )) |
2f3eb3b6 | 1375 | viper-last-shell-com) |
d5e52f99 MK |
1376 | t))) |
1377 | ||
2f3eb3b6 | 1378 | (defun viper-exec-equals (m-com com) |
d5e52f99 | 1379 | (save-excursion |
2f3eb3b6 MK |
1380 | (set-mark viper-com-point) |
1381 | (viper-enlarge-region (mark t) (point)) | |
d5e52f99 MK |
1382 | (if (> (mark t) (point)) (exchange-point-and-mark)) |
1383 | (indent-region (mark t) (point) nil))) | |
1384 | ||
2f3eb3b6 | 1385 | (defun viper-exec-shift (m-com com) |
d5e52f99 | 1386 | (save-excursion |
2f3eb3b6 MK |
1387 | (set-mark viper-com-point) |
1388 | (viper-enlarge-region (mark t) (point)) | |
d5e52f99 | 1389 | (if (> (mark t) (point)) (exchange-point-and-mark)) |
f1097063 | 1390 | (indent-rigidly (mark t) (point) |
d5e52f99 | 1391 | (if (= com ?>) |
2f3eb3b6 MK |
1392 | viper-shift-width |
1393 | (- viper-shift-width)))) | |
d5e52f99 | 1394 | ;; return point to where it was before shift |
2f3eb3b6 | 1395 | (goto-char viper-com-point)) |
d5e52f99 MK |
1396 | |
1397 | ;; this is needed because some commands fake com by setting it to ?r, which | |
1398 | ;; denotes repeated insert command. | |
2f3eb3b6 | 1399 | (defsubst viper-exec-dummy (m-com com) |
d5e52f99 MK |
1400 | nil) |
1401 | ||
2f3eb3b6 MK |
1402 | (defun viper-exec-buffer-search (m-com com) |
1403 | (setq viper-s-string (buffer-substring (point) viper-com-point)) | |
1404 | (setq viper-s-forward t) | |
1405 | (setq viper-search-history (cons viper-s-string viper-search-history)) | |
3af0304a | 1406 | (setq viper-intermediate-command 'viper-exec-buffer-search) |
2f3eb3b6 | 1407 | (viper-search viper-s-string viper-s-forward 1)) |
d5e52f99 | 1408 | |
2f3eb3b6 | 1409 | (defvar viper-exec-array (make-vector 128 nil)) |
d5e52f99 MK |
1410 | |
1411 | ;; Using a dispatch array allows adding functions like buffer search | |
3af0304a | 1412 | ;; without affecting other functions. Buffer search can now be bound |
d5e52f99 MK |
1413 | ;; to any character. |
1414 | ||
2f3eb3b6 MK |
1415 | (aset viper-exec-array ?c 'viper-exec-change) |
1416 | (aset viper-exec-array ?C 'viper-exec-Change) | |
1417 | (aset viper-exec-array ?d 'viper-exec-delete) | |
1418 | (aset viper-exec-array ?D 'viper-exec-Delete) | |
1419 | (aset viper-exec-array ?y 'viper-exec-yank) | |
1420 | (aset viper-exec-array ?Y 'viper-exec-Yank) | |
1421 | (aset viper-exec-array ?r 'viper-exec-dummy) | |
1422 | (aset viper-exec-array ?! 'viper-exec-bang) | |
1423 | (aset viper-exec-array ?< 'viper-exec-shift) | |
1424 | (aset viper-exec-array ?> 'viper-exec-shift) | |
1425 | (aset viper-exec-array ?= 'viper-exec-equals) | |
d5e52f99 MK |
1426 | |
1427 | ||
1428 | ||
1429 | ;; This function is called by various movement commands to execute a | |
3af0304a | 1430 | ;; destructive command on the region specified by the movement command. For |
2f3eb3b6 MK |
1431 | ;; instance, if the user types cw, then the command viper-forward-word will |
1432 | ;; call viper-execute-com to execute viper-exec-change, which eventually will | |
1433 | ;; call viper-change to invoke the replace mode on the region. | |
d5e52f99 | 1434 | ;; |
2f3eb3b6 MK |
1435 | ;; The var viper-d-com is set to (M-COM VAL COM REG INSETED-TEXT COMMAND-KEYS) |
1436 | ;; via a call to viper-set-destructive-command, for later use by viper-repeat. | |
1437 | (defun viper-execute-com (m-com val com) | |
1438 | (let ((reg viper-use-register)) | |
d5e52f99 MK |
1439 | ;; this is the special command `#' |
1440 | (if (> com 128) | |
2f3eb3b6 MK |
1441 | (viper-special-prefix-com (- com 128)) |
1442 | (let ((fn (aref viper-exec-array (if (< com 0) (- com) com)))) | |
d5e52f99 | 1443 | (if (null fn) |
2f3eb3b6 | 1444 | (error "%c: %s" com viper-InvalidViCommand) |
d5e52f99 | 1445 | (funcall fn m-com com)))) |
2f3eb3b6 MK |
1446 | (if (viper-dotable-command-p com) |
1447 | (viper-set-destructive-command | |
d5e52f99 MK |
1448 | (list m-com val |
1449 | (if (memq com (list ?c ?C ?!)) (- com) com) | |
1450 | reg nil nil))) | |
1451 | )) | |
1452 | ||
1453 | ||
2f3eb3b6 | 1454 | (defun viper-repeat (arg) |
d5e52f99 | 1455 | "Re-execute last destructive command. |
2f3eb3b6 | 1456 | Use the info in viper-d-com, which has the form |
d5e52f99 MK |
1457 | \(com val ch reg inserted-text command-keys\), |
1458 | where `com' is the command to be re-executed, `val' is the | |
1459 | argument to `com', `ch' is a flag for repeat, and `reg' is optional; | |
1460 | if it exists, it is the name of the register for `com'. | |
1461 | If the prefix argument, ARG, is non-nil, it is used instead of `val'." | |
1462 | (interactive "P") | |
1463 | (let ((save-point (point)) ; save point before repeating prev cmd | |
1464 | ;; Pass along that we are repeating a destructive command | |
2f3eb3b6 MK |
1465 | ;; This tells viper-set-destructive-command not to update |
1466 | ;; viper-command-ring | |
1467 | (viper-intermediate-command 'viper-repeat)) | |
1468 | (if (eq last-command 'viper-undo) | |
1469 | ;; if the last command was viper-undo, then undo-more | |
1470 | (viper-undo-more) | |
1471 | ;; otherwise execute the command stored in viper-d-com. if arg is | |
1472 | ;; non-nil its prefix value is used as new prefix value for the command. | |
1473 | (let ((m-com (car viper-d-com)) | |
1474 | (val (viper-P-val arg)) | |
1475 | (com (nth 2 viper-d-com)) | |
1476 | (reg (nth 3 viper-d-com))) | |
1477 | (if (null val) (setq val (nth 1 viper-d-com))) | |
d5e52f99 | 1478 | (if (null m-com) (error "No previous command to repeat.")) |
2f3eb3b6 MK |
1479 | (setq viper-use-register reg) |
1480 | (if (nth 4 viper-d-com) ; text inserted by command | |
1481 | (setq viper-last-insertion (nth 4 viper-d-com) | |
1482 | viper-d-char (nth 4 viper-d-com))) | |
d5e52f99 | 1483 | (funcall m-com (cons val com)) |
2f3eb3b6 | 1484 | (cond ((and (< save-point (point)) viper-keep-point-on-repeat) |
1e70790f | 1485 | (goto-char save-point)) ; go back to before repeat. |
34317da2 | 1486 | ((and (< save-point (point)) viper-ex-style-editing) |
1e70790f | 1487 | (or (bolp) (backward-char 1)))) |
d5e52f99 MK |
1488 | (if (and (eolp) (not (bolp))) |
1489 | (backward-char 1)) | |
1490 | )) | |
34317da2 | 1491 | (viper-adjust-undo) ; take care of undo |
d5e52f99 | 1492 | ;; If the prev cmd was rotating the command ring, this means that `.' has |
3af0304a | 1493 | ;; just executed a command from that ring. So, push it on the ring again. |
2f3eb3b6 MK |
1494 | ;; If we are just executing previous command , then don't push viper-d-com |
1495 | ;; because viper-d-com is not fully constructed in this case (its keys and | |
3af0304a | 1496 | ;; the inserted text may be nil). Besides, in this case, the command |
d5e52f99 | 1497 | ;; executed by `.' is already on the ring. |
2f3eb3b6 MK |
1498 | (if (eq last-command 'viper-display-current-destructive-command) |
1499 | (viper-push-onto-ring viper-d-com 'viper-command-ring)) | |
1500 | (viper-deactivate-mark) | |
d5e52f99 | 1501 | )) |
f1097063 | 1502 | |
2f3eb3b6 | 1503 | (defun viper-repeat-from-history () |
d5e52f99 | 1504 | "Repeat a destructive command from history. |
2f3eb3b6 | 1505 | Doesn't change viper-command-ring in any way, so `.' will work as before |
d5e52f99 MK |
1506 | executing this command. |
1507 | This command is supposed to be bound to a two-character Vi macro where | |
3af0304a | 1508 | the second character is a digit 0 to 9. The digit indicates which |
d5e52f99 MK |
1509 | history command to execute. `<char>0' is equivalent to `.', `<char>1' |
1510 | invokes the command before that, etc." | |
1511 | (interactive) | |
2f3eb3b6 MK |
1512 | (let* ((viper-intermediate-command 'repeating-display-destructive-command) |
1513 | (idx (cond (viper-this-kbd-macro | |
d5e52f99 | 1514 | (string-to-number |
2f3eb3b6 | 1515 | (symbol-name (elt viper-this-kbd-macro 1)))) |
d5e52f99 MK |
1516 | (t 0))) |
1517 | (num idx) | |
2f3eb3b6 | 1518 | (viper-d-com viper-d-com)) |
d5e52f99 MK |
1519 | |
1520 | (or (and (numberp num) (<= 0 num) (<= num 9)) | |
1521 | (progn | |
1522 | (setq idx 0 | |
1523 | num 0) | |
1524 | (message | |
2f3eb3b6 | 1525 | "`viper-repeat-from-history' must be invoked as a Vi macro bound to `<key><digit>'"))) |
d5e52f99 | 1526 | (while (< 0 num) |
2f3eb3b6 | 1527 | (setq viper-d-com (viper-special-ring-rotate1 viper-command-ring -1)) |
d5e52f99 | 1528 | (setq num (1- num))) |
2f3eb3b6 | 1529 | (viper-repeat nil) |
d5e52f99 | 1530 | (while (> idx num) |
2f3eb3b6 | 1531 | (viper-special-ring-rotate1 viper-command-ring 1) |
d5e52f99 MK |
1532 | (setq num (1+ num))) |
1533 | )) | |
f1097063 | 1534 | |
d5e52f99 | 1535 | |
3af0304a | 1536 | ;; The hash-command. It is invoked interactively by the key sequence #<char>. |
2f3eb3b6 MK |
1537 | ;; The chars that can follow `#' are determined by viper-hash-command-p |
1538 | (defun viper-special-prefix-com (char) | |
d5e52f99 | 1539 | (cond ((= char ?c) |
2f3eb3b6 MK |
1540 | (downcase-region (min viper-com-point (point)) |
1541 | (max viper-com-point (point)))) | |
d5e52f99 | 1542 | ((= char ?C) |
2f3eb3b6 MK |
1543 | (upcase-region (min viper-com-point (point)) |
1544 | (max viper-com-point (point)))) | |
d5e52f99 | 1545 | ((= char ?g) |
2f3eb3b6 MK |
1546 | (push-mark viper-com-point t) |
1547 | (viper-global-execute)) | |
d5e52f99 | 1548 | ((= char ?q) |
2f3eb3b6 MK |
1549 | (push-mark viper-com-point t) |
1550 | (viper-quote-region)) | |
1551 | ((= char ?s) (funcall viper-spell-function viper-com-point (point))) | |
1552 | (t (error "#%c: %s" char viper-InvalidViCommand)))) | |
d5e52f99 MK |
1553 | |
1554 | \f | |
1555 | ;; undoing | |
1556 | ||
2f3eb3b6 | 1557 | (defun viper-undo () |
d5e52f99 MK |
1558 | "Undo previous change." |
1559 | (interactive) | |
1560 | (message "undo!") | |
1561 | (let ((modified (buffer-modified-p)) | |
1562 | (before-undo-pt (point-marker)) | |
1563 | (after-change-functions after-change-functions) | |
1564 | undo-beg-posn undo-end-posn) | |
f1097063 | 1565 | |
d5e52f99 MK |
1566 | ;; no need to remove this hook, since this var has scope inside a let. |
1567 | (add-hook 'after-change-functions | |
1568 | '(lambda (beg end len) | |
1569 | (setq undo-beg-posn beg | |
1570 | undo-end-posn (or end beg)))) | |
f1097063 | 1571 | |
d5e52f99 MK |
1572 | (undo-start) |
1573 | (undo-more 2) | |
1574 | (setq undo-beg-posn (or undo-beg-posn before-undo-pt) | |
1575 | undo-end-posn (or undo-end-posn undo-beg-posn)) | |
f1097063 | 1576 | |
d5e52f99 MK |
1577 | (goto-char undo-beg-posn) |
1578 | (sit-for 0) | |
2f3eb3b6 | 1579 | (if (and viper-keep-point-on-undo |
d5e52f99 MK |
1580 | (pos-visible-in-window-p before-undo-pt)) |
1581 | (progn | |
f1097063 | 1582 | (push-mark (point-marker) t) |
2f3eb3b6 | 1583 | (viper-sit-for-short 300) |
d5e52f99 | 1584 | (goto-char undo-end-posn) |
2f3eb3b6 | 1585 | (viper-sit-for-short 300) |
34317da2 MK |
1586 | (if (and (> (viper-chars-in-region undo-beg-posn before-undo-pt) 1) |
1587 | (> (viper-chars-in-region undo-end-posn before-undo-pt) 1)) | |
d5e52f99 MK |
1588 | (goto-char before-undo-pt) |
1589 | (goto-char undo-beg-posn))) | |
1590 | (push-mark before-undo-pt t)) | |
1591 | (if (and (eolp) (not (bolp))) (backward-char 1)) | |
1592 | (if (not modified) (set-buffer-modified-p t))) | |
2f3eb3b6 | 1593 | (setq this-command 'viper-undo)) |
d5e52f99 MK |
1594 | |
1595 | ;; Continue undoing previous changes. | |
2f3eb3b6 | 1596 | (defun viper-undo-more () |
d5e52f99 MK |
1597 | (message "undo more!") |
1598 | (condition-case nil | |
1599 | (undo-more 1) | |
1600 | (error (beep) | |
1601 | (message "No further undo information in this buffer"))) | |
1602 | (if (and (eolp) (not (bolp))) (backward-char 1)) | |
2f3eb3b6 | 1603 | (setq this-command 'viper-undo)) |
d5e52f99 MK |
1604 | |
1605 | ;; The following two functions are used to set up undo properly. | |
1606 | ;; In VI, unlike Emacs, if you open a line, say, and add a bunch of lines, | |
f1097063 | 1607 | ;; they are undone all at once. |
2f3eb3b6 | 1608 | (defun viper-adjust-undo () |
34317da2 MK |
1609 | (if viper-undo-needs-adjustment |
1610 | (let ((inhibit-quit t) | |
1611 | tmp tmp2) | |
1612 | (setq viper-undo-needs-adjustment nil) | |
1613 | (if (listp buffer-undo-list) | |
1614 | (if (setq tmp (memq viper-buffer-undo-list-mark buffer-undo-list)) | |
1615 | (progn | |
1616 | (setq tmp2 (cdr tmp)) ; the part after mark | |
f1097063 | 1617 | |
34317da2 MK |
1618 | ;; cut tail from buffer-undo-list temporarily by direct |
1619 | ;; manipulation with pointers in buffer-undo-list | |
1620 | (setcdr tmp nil) | |
f1097063 | 1621 | |
34317da2 MK |
1622 | (setq buffer-undo-list (delq nil buffer-undo-list)) |
1623 | (setq buffer-undo-list | |
1624 | (delq viper-buffer-undo-list-mark buffer-undo-list)) | |
1625 | ;; restore tail of buffer-undo-list | |
1626 | (setq buffer-undo-list (nconc buffer-undo-list tmp2))) | |
1627 | (setq buffer-undo-list (delq nil buffer-undo-list))))) | |
1628 | )) | |
d5e52f99 | 1629 | |
f1097063 SS |
1630 | |
1631 | (defun viper-set-complex-command-for-undo () | |
d5e52f99 | 1632 | (if (listp buffer-undo-list) |
2f3eb3b6 | 1633 | (if (not viper-undo-needs-adjustment) |
d5e52f99 | 1634 | (let ((inhibit-quit t)) |
f1097063 | 1635 | (setq buffer-undo-list |
2f3eb3b6 MK |
1636 | (cons viper-buffer-undo-list-mark buffer-undo-list)) |
1637 | (setq viper-undo-needs-adjustment t))))) | |
d5e52f99 MK |
1638 | |
1639 | ||
1640 | ||
f1097063 | 1641 | |
2f3eb3b6 MK |
1642 | (defun viper-display-current-destructive-command () |
1643 | (let ((text (nth 4 viper-d-com)) | |
1644 | (keys (nth 5 viper-d-com)) | |
d5e52f99 | 1645 | (max-text-len 30)) |
f1097063 | 1646 | |
2f3eb3b6 | 1647 | (setq this-command 'viper-display-current-destructive-command) |
f1097063 | 1648 | |
d5e52f99 | 1649 | (message " `.' runs %s%s" |
2f3eb3b6 | 1650 | (concat "`" (viper-array-to-string keys) "'") |
f1097063 | 1651 | (viper-abbreviate-string |
8626cfa2 | 1652 | (if viper-xemacs-p |
f1097063 | 1653 | (replace-in-string |
34317da2 MK |
1654 | (cond ((characterp text) (char-to-string text)) |
1655 | ((stringp text) text) | |
1656 | (t "")) | |
1657 | "\n" "^J") | |
8626cfa2 MK |
1658 | text) |
1659 | max-text-len | |
1660 | " inserting `" "'" " .......")) | |
d5e52f99 | 1661 | )) |
f1097063 SS |
1662 | |
1663 | ||
2f3eb3b6 | 1664 | ;; don't change viper-d-com if it was viper-repeat command invoked with `.' |
d5e52f99 | 1665 | ;; or in some other way (non-interactively). |
2f3eb3b6 MK |
1666 | (defun viper-set-destructive-command (list) |
1667 | (or (eq viper-intermediate-command 'viper-repeat) | |
d5e52f99 | 1668 | (progn |
2f3eb3b6 MK |
1669 | (setq viper-d-com list) |
1670 | (setcar (nthcdr 5 viper-d-com) | |
1671 | (viper-array-to-string (if (arrayp viper-this-command-keys) | |
1672 | viper-this-command-keys | |
1673 | (this-command-keys)))) | |
1674 | (viper-push-onto-ring viper-d-com 'viper-command-ring))) | |
1675 | (setq viper-this-command-keys nil)) | |
f1097063 | 1676 | |
7d3f9fd8 | 1677 | |
2f3eb3b6 | 1678 | (defun viper-prev-destructive-command (next) |
d5e52f99 MK |
1679 | "Find previous destructive command in the history of destructive commands. |
1680 | With prefix argument, find next destructive command." | |
1681 | (interactive "P") | |
2f3eb3b6 MK |
1682 | (let (cmd viper-intermediate-command) |
1683 | (if (eq last-command 'viper-display-current-destructive-command) | |
d5e52f99 | 1684 | ;; repeated search through command history |
2f3eb3b6 MK |
1685 | (setq viper-intermediate-command |
1686 | 'repeating-display-destructive-command) | |
d5e52f99 | 1687 | ;; first search through command history--set temp ring |
f1097063 | 1688 | (setq viper-temp-command-ring (copy-list viper-command-ring))) |
d5e52f99 | 1689 | (setq cmd (if next |
2f3eb3b6 MK |
1690 | (viper-special-ring-rotate1 viper-temp-command-ring 1) |
1691 | (viper-special-ring-rotate1 viper-temp-command-ring -1))) | |
d5e52f99 MK |
1692 | (if (null cmd) |
1693 | () | |
2f3eb3b6 MK |
1694 | (setq viper-d-com cmd)) |
1695 | (viper-display-current-destructive-command))) | |
f1097063 | 1696 | |
7d3f9fd8 | 1697 | |
2f3eb3b6 | 1698 | (defun viper-next-destructive-command () |
d5e52f99 MK |
1699 | "Find next destructive command in the history of destructive commands." |
1700 | (interactive) | |
2f3eb3b6 | 1701 | (viper-prev-destructive-command 'next)) |
f1097063 | 1702 | |
7d3f9fd8 | 1703 | |
2f3eb3b6 | 1704 | (defun viper-insert-prev-from-insertion-ring (arg) |
d5e52f99 MK |
1705 | "Cycle through insertion ring in the direction of older insertions. |
1706 | Undoes previous insertion and inserts new. | |
1707 | With prefix argument, cycles in the direction of newer elements. | |
1708 | In minibuffer, this command executes whatever the invocation key is bound | |
1709 | to in the global map, instead of cycling through the insertion ring." | |
1710 | (interactive "P") | |
2f3eb3b6 MK |
1711 | (let (viper-intermediate-command) |
1712 | (if (eq last-command 'viper-insert-from-insertion-ring) | |
d5e52f99 | 1713 | (progn ; repeated search through insertion history |
2f3eb3b6 MK |
1714 | (setq viper-intermediate-command 'repeating-insertion-from-ring) |
1715 | (if (eq viper-current-state 'replace-state) | |
d5e52f99 | 1716 | (undo 1) |
2f3eb3b6 | 1717 | (if viper-last-inserted-string-from-insertion-ring |
d5e52f99 | 1718 | (backward-delete-char |
2f3eb3b6 | 1719 | (length viper-last-inserted-string-from-insertion-ring)))) |
d5e52f99 MK |
1720 | ) |
1721 | ;;first search through insertion history | |
2f3eb3b6 MK |
1722 | (setq viper-temp-insertion-ring (copy-list viper-insertion-ring))) |
1723 | (setq this-command 'viper-insert-from-insertion-ring) | |
d5e52f99 MK |
1724 | ;; so that things will be undone properly |
1725 | (setq buffer-undo-list (cons nil buffer-undo-list)) | |
2f3eb3b6 MK |
1726 | (setq viper-last-inserted-string-from-insertion-ring |
1727 | (viper-special-ring-rotate1 viper-temp-insertion-ring (if arg 1 -1))) | |
f1097063 | 1728 | |
2f3eb3b6 MK |
1729 | ;; this change of viper-intermediate-command must come after |
1730 | ;; viper-special-ring-rotate1, so that the ring will rotate, but before the | |
d5e52f99 | 1731 | ;; insertion. |
2f3eb3b6 MK |
1732 | (setq viper-intermediate-command nil) |
1733 | (if viper-last-inserted-string-from-insertion-ring | |
1734 | (insert viper-last-inserted-string-from-insertion-ring)) | |
d5e52f99 MK |
1735 | )) |
1736 | ||
2f3eb3b6 | 1737 | (defun viper-insert-next-from-insertion-ring () |
d5e52f99 MK |
1738 | "Cycle through insertion ring in the direction of older insertions. |
1739 | Undo previous insertion and inserts new." | |
1740 | (interactive) | |
2f3eb3b6 | 1741 | (viper-insert-prev-from-insertion-ring 'next)) |
f1097063 | 1742 | |
7d3f9fd8 | 1743 | |
d5e52f99 MK |
1744 | \f |
1745 | ;; some region utilities | |
1746 | ||
1747 | ;; If at the last line of buffer, add \\n before eob, if newline is missing. | |
2f3eb3b6 | 1748 | (defun viper-add-newline-at-eob-if-necessary () |
d5e52f99 MK |
1749 | (save-excursion |
1750 | (end-of-line) | |
1751 | ;; make sure all lines end with newline, unless in the minibuffer or | |
1752 | ;; when requested otherwise (require-final-newline is nil) | |
1753 | (if (and (eobp) | |
1754 | (not (bolp)) | |
1755 | require-final-newline | |
2f3eb3b6 | 1756 | (not (viper-is-in-minibuffer)) |
d5e52f99 MK |
1757 | (not buffer-read-only)) |
1758 | (insert "\n")))) | |
1759 | ||
2f3eb3b6 | 1760 | (defun viper-yank-defun () |
d5e52f99 MK |
1761 | (mark-defun) |
1762 | (copy-region-as-kill (point) (mark t))) | |
1763 | ||
1764 | ;; Enlarge region between BEG and END. | |
2f3eb3b6 | 1765 | (defun viper-enlarge-region (beg end) |
d5e52f99 MK |
1766 | (or beg (setq beg end)) ; if beg is nil, set to end |
1767 | (or end (setq end beg)) ; if end is nil, set to beg | |
f1097063 | 1768 | |
d5e52f99 MK |
1769 | (if (< beg end) |
1770 | (progn (goto-char beg) (set-mark end)) | |
1771 | (goto-char end) | |
1772 | (set-mark beg)) | |
1773 | (beginning-of-line) | |
1774 | (exchange-point-and-mark) | |
1775 | (if (or (not (eobp)) (not (bolp))) (forward-line 1)) | |
1776 | (if (not (eobp)) (beginning-of-line)) | |
1777 | (if (> beg end) (exchange-point-and-mark))) | |
1778 | ||
1779 | ||
1780 | ;; Quote region by each line with a user supplied string. | |
2f3eb3b6 | 1781 | (defun viper-quote-region () |
c004db97 MK |
1782 | (let ((quote-str viper-quote-string) |
1783 | (donot-change-dafault t)) | |
1784 | (setq quote-str | |
1785 | (viper-read-string-with-history | |
1786 | "Quote string: " | |
1787 | nil | |
1788 | 'viper-quote-region-history | |
1789 | (cond ((string-match "tex.*-mode" (symbol-name major-mode)) "%%") | |
1790 | ((string-match "java.*-mode" (symbol-name major-mode)) "//") | |
1791 | ((string-match "perl.*-mode" (symbol-name major-mode)) "#") | |
1792 | ((string-match "lisp.*-mode" (symbol-name major-mode)) ";;") | |
1793 | ((memq major-mode '(c-mode cc-mode c++-mode)) "//") | |
1794 | ((memq major-mode '(sh-mode shell-mode)) "#") | |
1795 | (t (setq donot-change-dafault nil) | |
1796 | quote-str)))) | |
1797 | (or donot-change-dafault | |
1798 | (setq viper-quote-string quote-str)) | |
1799 | (viper-enlarge-region (point) (mark t)) | |
1800 | (if (> (point) (mark t)) (exchange-point-and-mark)) | |
1801 | (insert quote-str) | |
d5e52f99 | 1802 | (beginning-of-line) |
c004db97 MK |
1803 | (forward-line 1) |
1804 | (while (and (< (point) (mark t)) (bolp)) | |
1805 | (insert quote-str) | |
1806 | (beginning-of-line) | |
1807 | (forward-line 1)))) | |
d5e52f99 MK |
1808 | |
1809 | ;; Tells whether BEG is on the same line as END. | |
1810 | ;; If one of the args is nil, it'll return nil. | |
2f3eb3b6 | 1811 | (defun viper-same-line (beg end) |
d5e52f99 MK |
1812 | (let ((selective-display nil) |
1813 | (incr 0) | |
1814 | temp) | |
1815 | (if (and beg end (> beg end)) | |
1816 | (setq temp beg | |
1817 | beg end | |
1818 | end temp)) | |
1819 | (if (and beg end) | |
1820 | (cond ((or (> beg (point-max)) (> end (point-max))) ; out of range | |
1821 | nil) | |
1822 | (t | |
1823 | ;; This 'if' is needed because Emacs treats the next empty line | |
1824 | ;; as part of the previous line. | |
2f3eb3b6 | 1825 | (if (= (viper-line-pos 'start) end) |
d5e52f99 MK |
1826 | (setq incr 1)) |
1827 | (<= (+ incr (count-lines beg end)) 1)))) | |
1828 | )) | |
f1097063 SS |
1829 | |
1830 | ||
d5e52f99 | 1831 | ;; Check if the string ends with a newline. |
2f3eb3b6 | 1832 | (defun viper-end-with-a-newline-p (string) |
d5e52f99 | 1833 | (or (string= string "") |
2f3eb3b6 | 1834 | (= (viper-seq-last-elt string) ?\n))) |
d5e52f99 | 1835 | |
2f3eb3b6 | 1836 | (defun viper-tmp-insert-at-eob (msg) |
d5e52f99 MK |
1837 | (let ((savemax (point-max))) |
1838 | (goto-char savemax) | |
1839 | (insert msg) | |
1840 | (sit-for 2) | |
1841 | (goto-char savemax) (delete-region (point) (point-max)) | |
f1097063 SS |
1842 | )) |
1843 | ||
d5e52f99 MK |
1844 | |
1845 | \f | |
1846 | ;;; Minibuffer business | |
f1097063 | 1847 | |
2f3eb3b6 MK |
1848 | (defsubst viper-set-minibuffer-style () |
1849 | (add-hook 'minibuffer-setup-hook 'viper-minibuffer-setup-sentinel)) | |
f1097063 SS |
1850 | |
1851 | ||
2f3eb3b6 MK |
1852 | (defun viper-minibuffer-setup-sentinel () |
1853 | (let ((hook (if viper-vi-style-in-minibuffer | |
1854 | 'viper-change-state-to-insert | |
1855 | 'viper-change-state-to-emacs))) | |
d5e52f99 MK |
1856 | (funcall hook) |
1857 | )) | |
f1097063 | 1858 | |
1da04da1 MK |
1859 | ;; Thie is a temp hook that uses free variables init-message and initial. |
1860 | ;; A dirty feature, but it is the simplest way to have it do the right thing. | |
55d7ff38 MK |
1861 | ;; The init-message and initial vars come from the scope set by |
1862 | ;; viper-read-string-with-history | |
1da04da1 MK |
1863 | (defun viper-minibuffer-standard-hook () |
1864 | (if (stringp init-message) | |
1865 | (viper-tmp-insert-at-eob init-message)) | |
1866 | (if (stringp initial) | |
1867 | (progn | |
1868 | ;; don't wait if we have unread events or in kbd macro | |
1869 | (or unread-command-events | |
1870 | executing-kbd-macro | |
1871 | (sit-for 840)) | |
1872 | (if (fboundp 'minibuffer-prompt-end) | |
1873 | (delete-region (minibuffer-prompt-end) (point-max)) | |
1874 | (erase-buffer)) | |
1875 | (insert initial))) | |
1876 | (viper-minibuffer-setup-sentinel)) | |
1877 | ||
1878 | (defsubst viper-minibuffer-real-start () | |
1879 | (if (fboundp 'minibuffer-prompt-end) | |
1880 | (minibuffer-prompt-end) | |
1881 | (point-min))) | |
1882 | ||
7d3f9fd8 | 1883 | |
96dffd25 MK |
1884 | ;; Interpret last event in the local map first; if fails, use exit-minibuffer. |
1885 | ;; Run viper-minibuffer-exit-hook before exiting. | |
2f3eb3b6 | 1886 | (defun viper-exit-minibuffer () |
96dffd25 | 1887 | "Exit minibuffer Viper way." |
d5e52f99 MK |
1888 | (interactive) |
1889 | (let (command) | |
1890 | (setq command (local-key-binding (char-to-string last-command-char))) | |
96dffd25 | 1891 | (run-hooks 'viper-minibuffer-exit-hook) |
d5e52f99 MK |
1892 | (if command |
1893 | (command-execute command) | |
1894 | (exit-minibuffer)))) | |
f1097063 | 1895 | |
96dffd25 MK |
1896 | |
1897 | (defcustom viper-smart-suffix-list | |
560ef11a MK |
1898 | '("" "tex" "c" "cc" "C" "java" "el" "html" "htm" "xml" |
1899 | "pl" "flr" "P" "p" "h" "H") | |
454b1ed8 | 1900 | "*List of suffixes that Viper tries to append to filenames ending with a `.'. |
96dffd25 | 1901 | This is useful when you the current directory contains files with the same |
3af0304a MK |
1902 | prefix and many different suffixes. Usually, only one of the suffixes |
1903 | represents an editable file. However, file completion will stop at the `.' | |
96dffd25 MK |
1904 | The smart suffix feature lets you hit RET in such a case, and Viper will |
1905 | select the appropriate suffix. | |
1906 | ||
1907 | Suffixes are tried in the order given and the first suffix for which a | |
3af0304a | 1908 | corresponding file exists is selected. If no file exists for any of the |
96dffd25 MK |
1909 | suffixes, the user is asked to confirm. |
1910 | ||
1911 | To turn this feature off, set this variable to nil." | |
454b1ed8 | 1912 | :type '(repeat string) |
8e41a31c | 1913 | :group 'viper-misc) |
f1097063 | 1914 | |
96dffd25 MK |
1915 | |
1916 | ;; Try to add a suitable suffix to files whose name ends with a `.' | |
1917 | ;; Useful when the user hits RET on a non-completed file name. | |
1918 | ;; Used as a minibuffer exit hook in read-file-name | |
1919 | (defun viper-file-add-suffix () | |
1920 | (let ((count 0) | |
1921 | (len (length viper-smart-suffix-list)) | |
1da04da1 MK |
1922 | (file (buffer-substring-no-properties |
1923 | (viper-minibuffer-real-start) (point-max))) | |
96dffd25 MK |
1924 | found key cmd suff) |
1925 | (goto-char (point-max)) | |
1926 | (if (and viper-smart-suffix-list (string-match "\\.$" file)) | |
1927 | (progn | |
1928 | (while (and (not found) (< count len)) | |
1929 | (setq suff (nth count viper-smart-suffix-list) | |
1930 | count (1+ count)) | |
1931 | (if (file-exists-p | |
1932 | (format "%s%s" (substitute-in-file-name file) suff)) | |
1933 | (progn | |
1934 | (setq found t) | |
1935 | (insert suff)))) | |
f1097063 | 1936 | |
96dffd25 MK |
1937 | (if found |
1938 | () | |
1939 | (viper-tmp-insert-at-eob " [Please complete file name]") | |
f1097063 | 1940 | (unwind-protect |
96dffd25 MK |
1941 | (while (not (memq cmd |
1942 | '(exit-minibuffer viper-exit-minibuffer))) | |
1943 | (setq cmd | |
1944 | (key-binding (setq key (read-key-sequence nil)))) | |
1945 | (cond ((eq cmd 'self-insert-command) | |
1946 | (if viper-xemacs-p | |
1947 | (insert (events-to-keys key)) | |
1948 | (insert key))) | |
1949 | ((memq cmd '(exit-minibuffer viper-exit-minibuffer)) | |
1950 | nil) | |
1951 | (t (command-execute cmd))) | |
1952 | ))) | |
1953 | )))) | |
1954 | ||
1955 | ||
1956 | (defun viper-minibuffer-trim-tail () | |
1957 | "Delete junk at the end of the first line of the minibuffer input. | |
1958 | Remove this function from `viper-minibuffer-exit-hook', if this causes | |
1959 | problems." | |
1960 | (if (viper-is-in-minibuffer) | |
1961 | (progn | |
1da04da1 | 1962 | (goto-char (viper-minibuffer-real-start)) |
96dffd25 MK |
1963 | (end-of-line) |
1964 | (delete-region (point) (point-max))))) | |
1965 | ||
d5e52f99 | 1966 | \f |
f1097063 SS |
1967 | ;;; Reading string with history |
1968 | ||
1969 | (defun viper-read-string-with-history (prompt &optional initial | |
c004db97 MK |
1970 | history-var default keymap |
1971 | init-message) | |
d5e52f99 | 1972 | ;; Read string, prompting with PROMPT and inserting the INITIAL |
3af0304a | 1973 | ;; value. Uses HISTORY-VAR. DEFAULT is the default value to accept if the |
c004db97 | 1974 | ;; input is an empty string. |
d5e52f99 | 1975 | ;; Default value is displayed until the user types something in the |
f1097063 | 1976 | ;; minibuffer. |
c004db97 MK |
1977 | ;; KEYMAP is used, if given, instead of minibuffer-local-map. |
1978 | ;; INIT-MESSAGE is the message temporarily displayed after entering the | |
1979 | ;; minibuffer. | |
1da04da1 | 1980 | (let ((minibuffer-setup-hook 'viper-minibuffer-standard-hook) |
d5e52f99 MK |
1981 | (val "") |
1982 | (padding "") | |
1983 | temp-msg) | |
f1097063 | 1984 | |
d5e52f99 MK |
1985 | (setq keymap (or keymap minibuffer-local-map) |
1986 | initial (or initial "") | |
1987 | temp-msg (if default | |
1988 | (format "(default: %s) " default) | |
1989 | "")) | |
f1097063 | 1990 | |
2f3eb3b6 | 1991 | (setq viper-incomplete-ex-cmd nil) |
f1097063 | 1992 | (setq val (read-from-minibuffer prompt |
d5e52f99 MK |
1993 | (concat temp-msg initial val padding) |
1994 | keymap nil history-var)) | |
1995 | (setq minibuffer-setup-hook nil | |
2f3eb3b6 | 1996 | padding (viper-array-to-string (this-command-keys)) |
d5e52f99 MK |
1997 | temp-msg "") |
1998 | ;; the following tries to be smart about what to put in history | |
1999 | (if (not (string= val (car (eval history-var)))) | |
2000 | (set history-var (cons val (eval history-var)))) | |
2001 | (if (or (string= (nth 0 (eval history-var)) (nth 1 (eval history-var))) | |
2002 | (string= (nth 0 (eval history-var)) "")) | |
2003 | (set history-var (cdr (eval history-var)))) | |
2f3eb3b6 | 2004 | ;; If the user enters nothing but the prev cmd wasn't viper-ex, |
f1097063 | 2005 | ;; viper-command-argument, or `! shell-command', this probably means |
3af0304a | 2006 | ;; that the user typed something then erased. Return "" in this case, not |
d5e52f99 MK |
2007 | ;; the default---the default is too confusing in this case. |
2008 | (cond ((and (string= val "") | |
2009 | (not (string= prompt "!")) ; was a `! shell-command' | |
2010 | (not (memq last-command | |
2f3eb3b6 MK |
2011 | '(viper-ex |
2012 | viper-command-argument | |
d5e52f99 MK |
2013 | t) |
2014 | ))) | |
2015 | "") | |
2016 | ((string= val "") (or default "")) | |
2017 | (t val)) | |
2018 | )) | |
f1097063 | 2019 | |
d5e52f99 MK |
2020 | |
2021 | \f | |
2022 | ;; insertion commands | |
2023 | ||
2024 | ;; Called when state changes from Insert Vi command mode. | |
2025 | ;; Repeats the insertion command if Insert state was entered with prefix | |
2026 | ;; argument > 1. | |
2f3eb3b6 MK |
2027 | (defun viper-repeat-insert-command () |
2028 | (let ((i-com (car viper-d-com)) | |
2029 | (val (nth 1 viper-d-com)) | |
2030 | (char (nth 2 viper-d-com))) | |
d5e52f99 | 2031 | (if (and val (> val 1)) ; first check that val is non-nil |
f1097063 | 2032 | (progn |
2f3eb3b6 MK |
2033 | (setq viper-d-com (list i-com (1- val) ?r nil nil nil)) |
2034 | (viper-repeat nil) | |
2035 | (setq viper-d-com (list i-com val char nil nil nil)) | |
d5e52f99 MK |
2036 | )))) |
2037 | ||
2f3eb3b6 | 2038 | (defun viper-insert (arg) |
d5e52f99 MK |
2039 | "Insert before point." |
2040 | (interactive "P") | |
2f3eb3b6 MK |
2041 | (viper-set-complex-command-for-undo) |
2042 | (let ((val (viper-p-val arg)) | |
2043 | (com (viper-getcom arg))) | |
2044 | (viper-set-destructive-command (list 'viper-insert val ?r nil nil nil)) | |
d5e52f99 | 2045 | (if com |
2f3eb3b6 MK |
2046 | (viper-loop val (viper-yank-last-insertion)) |
2047 | (viper-change-state-to-insert)))) | |
d5e52f99 | 2048 | |
2f3eb3b6 | 2049 | (defun viper-append (arg) |
d5e52f99 MK |
2050 | "Append after point." |
2051 | (interactive "P") | |
2f3eb3b6 MK |
2052 | (viper-set-complex-command-for-undo) |
2053 | (let ((val (viper-p-val arg)) | |
2054 | (com (viper-getcom arg))) | |
2055 | (viper-set-destructive-command (list 'viper-append val ?r nil nil nil)) | |
d5e52f99 MK |
2056 | (if (not (eolp)) (forward-char)) |
2057 | (if (equal com ?r) | |
2f3eb3b6 MK |
2058 | (viper-loop val (viper-yank-last-insertion)) |
2059 | (viper-change-state-to-insert)))) | |
d5e52f99 | 2060 | |
2f3eb3b6 | 2061 | (defun viper-Append (arg) |
d5e52f99 MK |
2062 | "Append at end of line." |
2063 | (interactive "P") | |
2f3eb3b6 MK |
2064 | (viper-set-complex-command-for-undo) |
2065 | (let ((val (viper-p-val arg)) | |
2066 | (com (viper-getcom arg))) | |
2067 | (viper-set-destructive-command (list 'viper-Append val ?r nil nil nil)) | |
d5e52f99 MK |
2068 | (end-of-line) |
2069 | (if (equal com ?r) | |
2f3eb3b6 MK |
2070 | (viper-loop val (viper-yank-last-insertion)) |
2071 | (viper-change-state-to-insert)))) | |
d5e52f99 | 2072 | |
2f3eb3b6 | 2073 | (defun viper-Insert (arg) |
d5e52f99 MK |
2074 | "Insert before first non-white." |
2075 | (interactive "P") | |
2f3eb3b6 MK |
2076 | (viper-set-complex-command-for-undo) |
2077 | (let ((val (viper-p-val arg)) | |
2078 | (com (viper-getcom arg))) | |
2079 | (viper-set-destructive-command (list 'viper-Insert val ?r nil nil nil)) | |
d5e52f99 MK |
2080 | (back-to-indentation) |
2081 | (if (equal com ?r) | |
2f3eb3b6 MK |
2082 | (viper-loop val (viper-yank-last-insertion)) |
2083 | (viper-change-state-to-insert)))) | |
d5e52f99 | 2084 | |
2f3eb3b6 | 2085 | (defun viper-open-line (arg) |
d5e52f99 MK |
2086 | "Open line below." |
2087 | (interactive "P") | |
2f3eb3b6 MK |
2088 | (viper-set-complex-command-for-undo) |
2089 | (let ((val (viper-p-val arg)) | |
2090 | (com (viper-getcom arg))) | |
2091 | (viper-set-destructive-command (list 'viper-open-line val ?r nil nil nil)) | |
d5e52f99 MK |
2092 | (let ((col (current-indentation))) |
2093 | (if (equal com ?r) | |
2f3eb3b6 | 2094 | (viper-loop val |
d5e52f99 MK |
2095 | (end-of-line) |
2096 | (newline 1) | |
f1097063 | 2097 | (if viper-auto-indent |
d5e52f99 | 2098 | (progn |
2f3eb3b6 MK |
2099 | (setq viper-cted t) |
2100 | (if viper-electric-mode | |
d5e52f99 MK |
2101 | (indent-according-to-mode) |
2102 | (indent-to col)) | |
2103 | )) | |
34317da2 | 2104 | (viper-yank-last-insertion)) |
d5e52f99 MK |
2105 | (end-of-line) |
2106 | (newline 1) | |
2f3eb3b6 | 2107 | (if viper-auto-indent |
d5e52f99 | 2108 | (progn |
2f3eb3b6 MK |
2109 | (setq viper-cted t) |
2110 | (if viper-electric-mode | |
d5e52f99 MK |
2111 | (indent-according-to-mode) |
2112 | (indent-to col)))) | |
2f3eb3b6 | 2113 | (viper-change-state-to-insert))))) |
d5e52f99 | 2114 | |
2f3eb3b6 | 2115 | (defun viper-Open-line (arg) |
d5e52f99 MK |
2116 | "Open line above." |
2117 | (interactive "P") | |
2f3eb3b6 MK |
2118 | (viper-set-complex-command-for-undo) |
2119 | (let ((val (viper-p-val arg)) | |
2120 | (com (viper-getcom arg))) | |
2121 | (viper-set-destructive-command (list 'viper-Open-line val ?r nil nil nil)) | |
d5e52f99 MK |
2122 | (let ((col (current-indentation))) |
2123 | (if (equal com ?r) | |
2f3eb3b6 | 2124 | (viper-loop val |
d5e52f99 MK |
2125 | (beginning-of-line) |
2126 | (open-line 1) | |
f1097063 | 2127 | (if viper-auto-indent |
d5e52f99 | 2128 | (progn |
2f3eb3b6 MK |
2129 | (setq viper-cted t) |
2130 | (if viper-electric-mode | |
d5e52f99 MK |
2131 | (indent-according-to-mode) |
2132 | (indent-to col)) | |
2133 | )) | |
34317da2 | 2134 | (viper-yank-last-insertion)) |
d5e52f99 MK |
2135 | (beginning-of-line) |
2136 | (open-line 1) | |
2f3eb3b6 | 2137 | (if viper-auto-indent |
d5e52f99 | 2138 | (progn |
2f3eb3b6 MK |
2139 | (setq viper-cted t) |
2140 | (if viper-electric-mode | |
d5e52f99 MK |
2141 | (indent-according-to-mode) |
2142 | (indent-to col)) | |
2143 | )) | |
2f3eb3b6 | 2144 | (viper-change-state-to-insert))))) |
d5e52f99 | 2145 | |
2f3eb3b6 | 2146 | (defun viper-open-line-at-point (arg) |
d5e52f99 MK |
2147 | "Open line at point." |
2148 | (interactive "P") | |
2f3eb3b6 MK |
2149 | (viper-set-complex-command-for-undo) |
2150 | (let ((val (viper-p-val arg)) | |
2151 | (com (viper-getcom arg))) | |
2152 | (viper-set-destructive-command | |
2153 | (list 'viper-open-line-at-point val ?r nil nil nil)) | |
d5e52f99 | 2154 | (if (equal com ?r) |
2f3eb3b6 | 2155 | (viper-loop val |
d5e52f99 | 2156 | (open-line 1) |
34317da2 | 2157 | (viper-yank-last-insertion)) |
d5e52f99 | 2158 | (open-line 1) |
2f3eb3b6 | 2159 | (viper-change-state-to-insert)))) |
d5e52f99 | 2160 | |
2f3eb3b6 | 2161 | (defun viper-substitute (arg) |
d5e52f99 MK |
2162 | "Substitute characters." |
2163 | (interactive "P") | |
2f3eb3b6 MK |
2164 | (let ((val (viper-p-val arg)) |
2165 | (com (viper-getcom arg))) | |
d5e52f99 MK |
2166 | (push-mark nil t) |
2167 | (forward-char val) | |
2168 | (if (equal com ?r) | |
2f3eb3b6 MK |
2169 | (viper-change-subr (mark t) (point)) |
2170 | (viper-change (mark t) (point))) | |
2171 | (viper-set-destructive-command (list 'viper-substitute val ?r nil nil nil)) | |
d5e52f99 MK |
2172 | )) |
2173 | ||
2f3eb3b6 MK |
2174 | ;; Command bound to S |
2175 | (defun viper-substitute-line (arg) | |
d5e52f99 MK |
2176 | "Substitute lines." |
2177 | (interactive "p") | |
2f3eb3b6 MK |
2178 | (viper-set-complex-command-for-undo) |
2179 | (viper-line (cons arg ?C))) | |
d5e52f99 MK |
2180 | |
2181 | ;; Prepare for replace | |
2f3eb3b6 MK |
2182 | (defun viper-start-replace () |
2183 | (setq viper-began-as-replace t | |
2184 | viper-sitting-in-replace t | |
34317da2 | 2185 | viper-replace-chars-to-delete 0) |
2eb4bdca MK |
2186 | (add-hook |
2187 | 'viper-after-change-functions 'viper-replace-mode-spy-after t 'local) | |
2188 | (add-hook | |
2189 | 'viper-before-change-functions 'viper-replace-mode-spy-before t 'local) | |
d5e52f99 | 2190 | ;; this will get added repeatedly, but no harm |
2f3eb3b6 MK |
2191 | (add-hook 'after-change-functions 'viper-after-change-sentinel t) |
2192 | (add-hook 'before-change-functions 'viper-before-change-sentinel t) | |
2eb4bdca MK |
2193 | (viper-move-marker-locally |
2194 | 'viper-last-posn-in-replace-region (viper-replace-start)) | |
2195 | (add-hook | |
2196 | 'viper-post-command-hooks 'viper-replace-state-post-command-sentinel | |
2197 | t 'local) | |
2198 | (add-hook | |
2199 | 'viper-pre-command-hooks 'viper-replace-state-pre-command-sentinel t 'local) | |
d5e52f99 | 2200 | ;; guard against a smartie who switched from R-replace to normal replace |
2eb4bdca MK |
2201 | (remove-hook |
2202 | 'viper-post-command-hooks 'viper-R-state-post-command-sentinel 'local) | |
d5e52f99 MK |
2203 | (if overwrite-mode (overwrite-mode nil)) |
2204 | ) | |
f1097063 | 2205 | |
d5e52f99 | 2206 | |
2f3eb3b6 | 2207 | (defun viper-replace-mode-spy-before (beg end) |
34317da2 MK |
2208 | (setq viper-replace-region-chars-deleted (viper-chars-in-region beg end)) |
2209 | ) | |
d5e52f99 | 2210 | |
34317da2 | 2211 | ;; Invoked as an after-change-function to calculate how many chars have to be |
3af0304a MK |
2212 | ;; deleted. This function may be called several times within a single command, |
2213 | ;; if this command performs several separate buffer changes. Therefore, if | |
2214 | ;; adds up the number of chars inserted and subtracts the number of chars | |
f1097063 | 2215 | ;; deleted. |
2f3eb3b6 | 2216 | (defun viper-replace-mode-spy-after (beg end length) |
f1097063 | 2217 | (if (memq viper-intermediate-command |
3af0304a | 2218 | '(dabbrev-expand hippie-expand repeating-insertion-from-ring)) |
34317da2 MK |
2219 | ;; Take special care of text insertion from insertion ring inside |
2220 | ;; replacement overlays. | |
d5e52f99 | 2221 | (progn |
2f3eb3b6 | 2222 | (setq viper-replace-chars-to-delete 0) |
f1097063 | 2223 | (viper-move-marker-locally |
2f3eb3b6 | 2224 | 'viper-last-posn-in-replace-region (point))) |
f1097063 | 2225 | |
34317da2 MK |
2226 | (let* ((real-end (min end (viper-replace-end))) |
2227 | (column-shift (- (save-excursion (goto-char real-end) | |
2228 | (current-column)) | |
2229 | (save-excursion (goto-char beg) | |
2230 | (current-column)))) | |
2231 | (chars-deleted 0)) | |
2232 | ||
2233 | (if (> length 0) | |
2234 | (setq chars-deleted viper-replace-region-chars-deleted)) | |
2235 | (setq viper-replace-region-chars-deleted 0) | |
2236 | (setq viper-replace-chars-to-delete | |
2237 | (+ viper-replace-chars-to-delete | |
f1097063 | 2238 | (- |
34317da2 MK |
2239 | ;; if column shift is bigger, due to a TAB insertion, take |
2240 | ;; column-shift instead of the number of inserted chars | |
2241 | (max (viper-chars-in-region beg real-end) | |
2242 | ;; This test accounts for Chinese/Japanese/... chars, | |
3af0304a | 2243 | ;; which occupy 2 columns instead of one. If we use |
34317da2 | 2244 | ;; column-shift here, we may delete two chars instead of |
3af0304a MK |
2245 | ;; one when the user types one Chinese character. |
2246 | ;; Deleting two would be OK, if they were European chars, | |
2247 | ;; but it is not OK if they are Chinese chars. | |
2248 | ;; Since it is hard to | |
34317da2 MK |
2249 | ;; figure out which characters are being deleted in any |
2250 | ;; given region, we decided to treat Eastern and European | |
2251 | ;; characters equally, even though Eastern chars may | |
2252 | ;; occupy more columns. | |
2253 | (if (memq this-command '(self-insert-command | |
2254 | quoted-insert viper-insert-tab)) | |
2255 | column-shift | |
2256 | 0)) | |
2257 | ;; the number of deleted chars | |
2258 | chars-deleted))) | |
2259 | ||
f1097063 | 2260 | (viper-move-marker-locally |
2f3eb3b6 | 2261 | 'viper-last-posn-in-replace-region |
34317da2 | 2262 | (max (if (> end (viper-replace-end)) (viper-replace-end) end) |
2f3eb3b6 | 2263 | (or (marker-position viper-last-posn-in-replace-region) |
f1097063 | 2264 | (viper-replace-start)) |
d5e52f99 | 2265 | )) |
f1097063 | 2266 | |
d5e52f99 MK |
2267 | ))) |
2268 | ||
34317da2 MK |
2269 | |
2270 | ;; Delete stuff between viper-last-posn-in-replace-region and the end of | |
2271 | ;; viper-replace-overlay-marker, if viper-last-posn-in-replace-region is within | |
2272 | ;; the overlay and current point is before the end of the overlay. | |
2273 | ;; Don't delete anything if current point is past the end of the overlay. | |
2274 | (defun viper-finish-change () | |
2eb4bdca MK |
2275 | (remove-hook |
2276 | 'viper-after-change-functions 'viper-replace-mode-spy-after 'local) | |
2277 | (remove-hook | |
2278 | 'viper-before-change-functions 'viper-replace-mode-spy-before 'local) | |
2279 | (remove-hook | |
f1097063 | 2280 | 'viper-post-command-hooks 'viper-replace-state-post-command-sentinel 'local) |
2eb4bdca | 2281 | (remove-hook |
f1097063 | 2282 | 'viper-pre-command-hooks 'viper-replace-state-pre-command-sentinel 'local) |
3af0304a | 2283 | (viper-restore-cursor-color 'after-replace-mode) |
2f3eb3b6 | 2284 | (setq viper-sitting-in-replace nil) ; just in case we'll need to know it |
d5e52f99 | 2285 | (save-excursion |
34317da2 MK |
2286 | (if (and viper-replace-overlay |
2287 | (viper-pos-within-region viper-last-posn-in-replace-region | |
2288 | (viper-replace-start) | |
f1097063 | 2289 | (viper-replace-end)) |
34317da2 MK |
2290 | (< (point) (viper-replace-end))) |
2291 | (delete-region | |
2292 | viper-last-posn-in-replace-region (viper-replace-end)))) | |
f1097063 | 2293 | |
2f3eb3b6 MK |
2294 | (if (eq viper-current-state 'replace-state) |
2295 | (viper-downgrade-to-insert)) | |
2296 | ;; replace mode ended => nullify viper-last-posn-in-replace-region | |
2297 | (viper-move-marker-locally 'viper-last-posn-in-replace-region nil) | |
2298 | (viper-hide-replace-overlay) | |
2299 | (viper-refresh-mode-line) | |
2300 | (viper-put-string-on-kill-ring viper-last-replace-region) | |
d5e52f99 MK |
2301 | ) |
2302 | ||
2303 | ;; Make STRING be the first element of the kill ring. | |
2f3eb3b6 | 2304 | (defun viper-put-string-on-kill-ring (string) |
d5e52f99 MK |
2305 | (setq kill-ring (cons string kill-ring)) |
2306 | (if (> (length kill-ring) kill-ring-max) | |
2307 | (setcdr (nthcdr (1- kill-ring-max) kill-ring) nil)) | |
2308 | (setq kill-ring-yank-pointer kill-ring)) | |
2309 | ||
2f3eb3b6 | 2310 | (defun viper-finish-R-mode () |
2eb4bdca MK |
2311 | (remove-hook |
2312 | 'viper-post-command-hooks 'viper-R-state-post-command-sentinel 'local) | |
2313 | (remove-hook | |
2314 | 'viper-pre-command-hooks 'viper-replace-state-pre-command-sentinel 'local) | |
2f3eb3b6 | 2315 | (viper-downgrade-to-insert)) |
f1097063 | 2316 | |
2f3eb3b6 | 2317 | (defun viper-start-R-mode () |
d5e52f99 MK |
2318 | ;; Leave arg as 1, not t: XEmacs insists that it must be a pos number |
2319 | (overwrite-mode 1) | |
2eb4bdca MK |
2320 | (add-hook |
2321 | 'viper-post-command-hooks 'viper-R-state-post-command-sentinel t 'local) | |
2322 | (add-hook | |
2323 | 'viper-pre-command-hooks 'viper-replace-state-pre-command-sentinel t 'local) | |
d5e52f99 | 2324 | ;; guard against a smartie who switched from R-replace to normal replace |
2eb4bdca MK |
2325 | (remove-hook |
2326 | 'viper-post-command-hooks 'viper-replace-state-post-command-sentinel 'local) | |
d5e52f99 MK |
2327 | ) |
2328 | ||
2329 | ||
f1097063 | 2330 | |
2f3eb3b6 | 2331 | (defun viper-replace-state-exit-cmd () |
d5e52f99 MK |
2332 | "Binding for keys that cause Replace state to switch to Vi or to Insert. |
2333 | These keys are ESC, RET, and LineFeed" | |
2334 | (interactive) | |
34317da2 | 2335 | (if overwrite-mode ; if in replace mode invoked via 'R' |
2f3eb3b6 | 2336 | (viper-finish-R-mode) |
34317da2 | 2337 | (viper-finish-change)) |
d5e52f99 | 2338 | (let (com) |
2f3eb3b6 MK |
2339 | (if (eq this-command 'viper-intercept-ESC-key) |
2340 | (setq com 'viper-exit-insert-state) | |
2341 | (viper-set-unread-command-events last-input-char) | |
d5e52f99 | 2342 | (setq com (key-binding (read-key-sequence nil)))) |
f1097063 | 2343 | |
d5e52f99 MK |
2344 | (condition-case conds |
2345 | (command-execute com) | |
2346 | (error | |
2f3eb3b6 | 2347 | (viper-message-conditions conds))) |
d5e52f99 | 2348 | ) |
2f3eb3b6 MK |
2349 | (viper-hide-replace-overlay)) |
2350 | ||
d5e52f99 | 2351 | |
2f3eb3b6 MK |
2352 | (defun viper-replace-state-carriage-return () |
2353 | "Carriage return in Viper replace state." | |
d5e52f99 MK |
2354 | (interactive) |
2355 | ;; If Emacs start supporting overlay maps, as it currently supports | |
2f3eb3b6 | 2356 | ;; text-property maps, we could do away with viper-replace-minor-mode and |
3af0304a | 2357 | ;; just have keymap attached to replace overlay. Then the "if part" of this |
d5e52f99 | 2358 | ;; statement can be deleted. |
2f3eb3b6 MK |
2359 | (if (or (< (point) (viper-replace-start)) |
2360 | (> (point) (viper-replace-end))) | |
2361 | (let (viper-replace-minor-mode com) | |
2362 | (viper-set-unread-command-events last-input-char) | |
d5e52f99 MK |
2363 | (setq com (key-binding (read-key-sequence nil))) |
2364 | (condition-case conds | |
2365 | (command-execute com) | |
2366 | (error | |
2f3eb3b6 MK |
2367 | (viper-message-conditions conds)))) |
2368 | (if (not viper-allow-multiline-replace-regions) | |
2369 | (viper-replace-state-exit-cmd) | |
2370 | (if (viper-same-line (point) (viper-replace-end)) | |
2371 | (viper-replace-state-exit-cmd) | |
2372 | ;; delete the rest of line | |
2373 | (delete-region (point) (viper-line-pos 'end)) | |
2374 | (save-excursion | |
2375 | (end-of-line) | |
2376 | (if (eobp) (error "Last line in buffer"))) | |
2377 | ;; skip to the next line | |
2378 | (forward-line 1) | |
2379 | (back-to-indentation) | |
2380 | )))) | |
d5e52f99 | 2381 | |
f1097063 | 2382 | |
d5e52f99 MK |
2383 | ;; This is the function bound to 'R'---unlimited replace. |
2384 | ;; Similar to Emacs's own overwrite-mode. | |
f1097063 | 2385 | (defun viper-overwrite (arg) |
d5e52f99 MK |
2386 | "Begin overwrite mode." |
2387 | (interactive "P") | |
2f3eb3b6 MK |
2388 | (let ((val (viper-p-val arg)) |
2389 | (com (viper-getcom arg)) (len)) | |
2390 | (viper-set-destructive-command (list 'viper-overwrite val ?r nil nil nil)) | |
d5e52f99 | 2391 | (if com |
f1097063 | 2392 | (progn |
2f3eb3b6 MK |
2393 | ;; Viper saves inserted text in viper-last-insertion |
2394 | (setq len (length viper-last-insertion)) | |
f1097063 | 2395 | (delete-char len) |
2f3eb3b6 MK |
2396 | (viper-loop val (viper-yank-last-insertion))) |
2397 | (setq last-command 'viper-overwrite) | |
2398 | (viper-set-complex-command-for-undo) | |
2399 | (viper-set-replace-overlay (point) (viper-line-pos 'end)) | |
2400 | (viper-change-state-to-replace) | |
d5e52f99 MK |
2401 | ))) |
2402 | ||
2403 | \f | |
2404 | ;; line commands | |
2405 | ||
2f3eb3b6 | 2406 | (defun viper-line (arg) |
d5e52f99 MK |
2407 | (let ((val (car arg)) |
2408 | (com (cdr arg))) | |
2f3eb3b6 | 2409 | (viper-move-marker-locally 'viper-com-point (point)) |
d5e52f99 | 2410 | (if (not (eobp)) |
2f3eb3b6 | 2411 | (viper-next-line-carefully (1- val))) |
3af0304a MK |
2412 | ;; the following ensures that dd, cc, D, yy will do the right thing on the |
2413 | ;; last line of buffer when this line has no \n. | |
2f3eb3b6 MK |
2414 | (viper-add-newline-at-eob-if-necessary) |
2415 | (viper-execute-com 'viper-line val com)) | |
d5e52f99 MK |
2416 | (if (and (eobp) (not (bobp))) (forward-line -1)) |
2417 | ) | |
2418 | ||
2f3eb3b6 | 2419 | (defun viper-yank-line (arg) |
d5e52f99 MK |
2420 | "Yank ARG lines (in Vi's sense)." |
2421 | (interactive "P") | |
2f3eb3b6 MK |
2422 | (let ((val (viper-p-val arg))) |
2423 | (viper-line (cons val ?Y)))) | |
d5e52f99 MK |
2424 | |
2425 | \f | |
2426 | ;; region commands | |
2427 | ||
2f3eb3b6 | 2428 | (defun viper-region (arg) |
d5e52f99 MK |
2429 | "Execute command on a region." |
2430 | (interactive "P") | |
2f3eb3b6 MK |
2431 | (let ((val (viper-P-val arg)) |
2432 | (com (viper-getcom arg))) | |
2433 | (viper-move-marker-locally 'viper-com-point (point)) | |
d5e52f99 | 2434 | (exchange-point-and-mark) |
2f3eb3b6 | 2435 | (viper-execute-com 'viper-region val com))) |
d5e52f99 | 2436 | |
2f3eb3b6 | 2437 | (defun viper-Region (arg) |
d5e52f99 MK |
2438 | "Execute command on a Region." |
2439 | (interactive "P") | |
2f3eb3b6 MK |
2440 | (let ((val (viper-P-val arg)) |
2441 | (com (viper-getCom arg))) | |
2442 | (viper-move-marker-locally 'viper-com-point (point)) | |
d5e52f99 | 2443 | (exchange-point-and-mark) |
2f3eb3b6 | 2444 | (viper-execute-com 'viper-Region val com))) |
d5e52f99 | 2445 | |
2f3eb3b6 | 2446 | (defun viper-replace-char (arg) |
d5e52f99 MK |
2447 | "Replace the following ARG chars by the character read." |
2448 | (interactive "P") | |
2449 | (if (and (eolp) (bolp)) (error "No character to replace here")) | |
2f3eb3b6 MK |
2450 | (let ((val (viper-p-val arg)) |
2451 | (com (viper-getcom arg))) | |
2452 | (viper-replace-char-subr com val) | |
d5e52f99 | 2453 | (if (and (eolp) (not (bolp))) (forward-char 1)) |
34317da2 MK |
2454 | (setq viper-this-command-keys |
2455 | (format "%sr" (if (integerp arg) arg ""))) | |
2f3eb3b6 MK |
2456 | (viper-set-destructive-command |
2457 | (list 'viper-replace-char val ?r nil viper-d-char nil)) | |
d5e52f99 MK |
2458 | )) |
2459 | ||
2f3eb3b6 | 2460 | (defun viper-replace-char-subr (com arg) |
34317da2 | 2461 | (let (char) |
d5e52f99 | 2462 | (setq char (if (equal com ?r) |
2f3eb3b6 | 2463 | viper-d-char |
d5e52f99 | 2464 | (read-char))) |
34317da2 MK |
2465 | (let (inhibit-quit) ; preserve consistency of undo-list and iso-accents |
2466 | (if (and viper-automatic-iso-accents (memq char '(?' ?\" ?^ ?~))) | |
2467 | ;; get European characters | |
2468 | (progn | |
2469 | (viper-set-iso-accents-mode t) | |
2470 | (viper-set-unread-command-events char) | |
2471 | (setq char (aref (read-key-sequence nil) 0)) | |
2472 | (viper-set-iso-accents-mode nil))) | |
2473 | (viper-set-complex-command-for-undo) | |
2474 | (if (eq char ?\C-m) (setq char ?\n)) | |
2475 | (if (and viper-special-input-method (fboundp 'quail-start-translation)) | |
2476 | ;; get Intl. characters | |
2477 | (progn | |
2478 | (viper-set-input-method t) | |
f1097063 | 2479 | (setq last-command-event |
34317da2 MK |
2480 | (viper-copy-event |
2481 | (if viper-xemacs-p (character-to-event char) char))) | |
2482 | (delete-char 1 t) | |
2483 | (condition-case nil | |
2484 | (if com | |
2485 | (insert char) | |
2486 | (if viper-emacs-p | |
2487 | (quail-start-translation 1) | |
2488 | (quail-start-translation))) | |
2489 | (error)) | |
2490 | ;; quail translation failed | |
2491 | (if (and (not (stringp quail-current-str)) | |
2492 | (not (viper-characterp quail-current-str))) | |
2493 | (progn | |
2494 | (viper-adjust-undo) | |
2495 | (undo-start) | |
2496 | (undo-more 1) | |
2497 | (viper-set-input-method nil) | |
2498 | (error "Composing character failed, changes undone"))) | |
2499 | ;; quail translation seems ok | |
2500 | (or com | |
2501 | ;;(setq char quail-current-str)) | |
2502 | (setq char (viper-char-at-pos 'backward))) | |
2503 | (setq viper-d-char char) | |
2504 | (viper-loop (1- (if (> arg 0) arg (- arg))) | |
2505 | (delete-char 1 t) | |
2506 | (insert char)) | |
2507 | (viper-set-input-method nil)) | |
2508 | (delete-char arg t) | |
2509 | (setq viper-d-char char) | |
f1097063 | 2510 | (viper-loop (if (> arg 0) arg (- arg)) |
34317da2 MK |
2511 | (insert char))) |
2512 | (viper-adjust-undo) | |
2513 | (backward-char arg)))) | |
d5e52f99 MK |
2514 | |
2515 | \f | |
2516 | ;; basic cursor movement. j, k, l, h commands. | |
2517 | ||
2f3eb3b6 | 2518 | (defun viper-forward-char (arg) |
d5e52f99 MK |
2519 | "Move point right ARG characters (left if ARG negative). |
2520 | On reaching end of line, stop and signal error." | |
2521 | (interactive "P") | |
2f3eb3b6 MK |
2522 | (viper-leave-region-active) |
2523 | (let ((val (viper-p-val arg)) | |
2524 | (com (viper-getcom arg))) | |
2525 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
2526 | (if viper-ex-style-motion | |
d5e52f99 MK |
2527 | (progn |
2528 | ;; the boundary condition check gets weird here because | |
2529 | ;; forward-char may be the parameter of a delete, and 'dl' works | |
2530 | ;; just like 'x' for the last char on a line, so we have to allow | |
2f3eb3b6 | 2531 | ;; the forward motion before the 'viper-execute-com', but, of |
d5e52f99 | 2532 | ;; course, 'dl' doesn't work on an empty line, so we have to |
2f3eb3b6 | 2533 | ;; catch that condition before 'viper-execute-com' |
d5e52f99 | 2534 | (if (and (eolp) (bolp)) (error "") (forward-char val)) |
2f3eb3b6 | 2535 | (if com (viper-execute-com 'viper-forward-char val com)) |
d5e52f99 MK |
2536 | (if (eolp) (progn (backward-char 1) (error "")))) |
2537 | (forward-char val) | |
2f3eb3b6 | 2538 | (if com (viper-execute-com 'viper-forward-char val com))))) |
d5e52f99 | 2539 | |
7d3f9fd8 | 2540 | |
2f3eb3b6 | 2541 | (defun viper-backward-char (arg) |
f1097063 | 2542 | "Move point left ARG characters (right if ARG negative). |
d5e52f99 MK |
2543 | On reaching beginning of line, stop and signal error." |
2544 | (interactive "P") | |
2f3eb3b6 MK |
2545 | (viper-leave-region-active) |
2546 | (let ((val (viper-p-val arg)) | |
2547 | (com (viper-getcom arg))) | |
2548 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
2549 | (if viper-ex-style-motion | |
d5e52f99 MK |
2550 | (progn |
2551 | (if (bolp) (error "") (backward-char val)) | |
2f3eb3b6 | 2552 | (if com (viper-execute-com 'viper-backward-char val com))) |
d5e52f99 | 2553 | (backward-char val) |
2f3eb3b6 | 2554 | (if com (viper-execute-com 'viper-backward-char val com))))) |
f1097063 | 2555 | |
7d3f9fd8 | 2556 | |
d5e52f99 | 2557 | ;; Like forward-char, but doesn't move at end of buffer. |
f1097063 | 2558 | ;; Returns distance traveled |
34317da2 | 2559 | ;; (positive or 0, if arg positive; negative if arg negative). |
f1097063 | 2560 | (defun viper-forward-char-carefully (&optional arg) |
d5e52f99 | 2561 | (setq arg (or arg 1)) |
34317da2 MK |
2562 | (let ((pt (point))) |
2563 | (condition-case nil | |
2564 | (forward-char arg) | |
2565 | (error)) | |
2566 | (if (< (point) pt) ; arg was negative | |
2567 | (- (viper-chars-in-region pt (point))) | |
2568 | (viper-chars-in-region pt (point))))) | |
f1097063 | 2569 | |
7d3f9fd8 | 2570 | |
34317da2 MK |
2571 | ;; Like backward-char, but doesn't move at beg of buffer. |
2572 | ;; Returns distance traveled | |
2573 | ;; (negative or 0, if arg positive; positive if arg negative). | |
f1097063 | 2574 | (defun viper-backward-char-carefully (&optional arg) |
d5e52f99 | 2575 | (setq arg (or arg 1)) |
34317da2 MK |
2576 | (let ((pt (point))) |
2577 | (condition-case nil | |
2578 | (backward-char arg) | |
2579 | (error)) | |
2580 | (if (> (point) pt) ; arg was negative | |
2581 | (viper-chars-in-region pt (point)) | |
2582 | (- (viper-chars-in-region pt (point)))))) | |
d5e52f99 | 2583 | |
2f3eb3b6 | 2584 | (defun viper-next-line-carefully (arg) |
d5e52f99 MK |
2585 | (condition-case nil |
2586 | (next-line arg) | |
2587 | (error nil))) | |
2588 | ||
2589 | ||
2590 | \f | |
2591 | ;;; Word command | |
2592 | ||
2f3eb3b6 | 2593 | ;; Words are formed from alpha's and nonalphas - <sp>,\t\n are separators for |
3af0304a | 2594 | ;; word movement. When executed with a destructive command, \n is usually left |
2f3eb3b6 | 2595 | ;; untouched for the last word. Viper uses syntax table to determine what is a |
3af0304a | 2596 | ;; word and what is a separator. However, \n is always a separator. Also, if |
2f3eb3b6 | 2597 | ;; viper-syntax-preference is 'vi, then `_' is part of the word. |
d5e52f99 MK |
2598 | |
2599 | ;; skip only one \n | |
2f3eb3b6 | 2600 | (defun viper-skip-separators (forward) |
d5e52f99 MK |
2601 | (if forward |
2602 | (progn | |
2f3eb3b6 | 2603 | (viper-skip-all-separators-forward 'within-line) |
d5e52f99 MK |
2604 | (if (looking-at "\n") |
2605 | (progn | |
2606 | (forward-char) | |
2f3eb3b6 | 2607 | (viper-skip-all-separators-forward 'within-line)))) |
3af0304a | 2608 | ;; check for eob and white space before it. move off of eob |
6d459c4d KH |
2609 | (if (and (eobp) (save-excursion |
2610 | (viper-backward-char-carefully) | |
2611 | (viper-looking-at-separator))) | |
2612 | (viper-backward-char-carefully)) | |
2f3eb3b6 | 2613 | (viper-skip-all-separators-backward 'within-line) |
34317da2 | 2614 | (viper-backward-char-carefully) |
d5e52f99 | 2615 | (if (looking-at "\n") |
2f3eb3b6 | 2616 | (viper-skip-all-separators-backward 'within-line) |
6d459c4d | 2617 | (or (bobp) (forward-char))))) |
f1097063 | 2618 | |
7d3f9fd8 | 2619 | |
2f3eb3b6 | 2620 | (defun viper-forward-word-kernel (val) |
d5e52f99 | 2621 | (while (> val 0) |
2f3eb3b6 MK |
2622 | (cond ((viper-looking-at-alpha) |
2623 | (viper-skip-alpha-forward "_") | |
2624 | (viper-skip-separators t)) | |
2625 | ((viper-looking-at-separator) | |
2626 | (viper-skip-separators t)) | |
2627 | ((not (viper-looking-at-alphasep)) | |
2628 | (viper-skip-nonalphasep-forward) | |
2629 | (viper-skip-separators t))) | |
d5e52f99 MK |
2630 | (setq val (1- val)))) |
2631 | ||
3af0304a | 2632 | ;; first skip non-newline separators backward, then skip \n. Then, if TWICE is |
34317da2 MK |
2633 | ;; non-nil, skip non-\n back again, but don't overshoot the limit LIM. |
2634 | (defun viper-separator-skipback-special (twice lim) | |
2635 | (let ((prev-char (viper-char-at-pos 'backward)) | |
2636 | (saved-point (point))) | |
2637 | ;; skip non-newline separators backward | |
2638 | (while (and (not (memq prev-char '(nil \n))) | |
2639 | (< lim (point)) | |
2640 | ;; must be non-newline separator | |
2641 | (if (eq viper-syntax-preference 'strict-vi) | |
2642 | (memq prev-char '(?\ ?\t)) | |
2643 | (memq (char-syntax prev-char) '(?\ ?-)))) | |
2644 | (viper-backward-char-carefully) | |
2645 | (setq prev-char (viper-char-at-pos 'backward))) | |
2646 | ||
2647 | (if (and (< lim (point)) (eq prev-char ?\n)) | |
2648 | (backward-char) | |
2649 | ;; If we skipped to the next word and the prefix of this line doesn't | |
2650 | ;; consist of separators preceded by a newline, then don't skip backwards | |
2651 | ;; at all. | |
2652 | (goto-char saved-point)) | |
2653 | (setq prev-char (viper-char-at-pos 'backward)) | |
2654 | ||
2655 | ;; skip again, but make sure we don't overshoot the limit | |
2656 | (if twice | |
2657 | (while (and (not (memq prev-char '(nil \n))) | |
2658 | (< lim (point)) | |
2659 | ;; must be non-newline separator | |
2660 | (if (eq viper-syntax-preference 'strict-vi) | |
2661 | (memq prev-char '(?\ ?\t)) | |
2662 | (memq (char-syntax prev-char) '(?\ ?-)))) | |
2663 | (viper-backward-char-carefully) | |
2664 | (setq prev-char (viper-char-at-pos 'backward)))) | |
2665 | ||
2666 | (if (= (point) lim) | |
2667 | (viper-forward-char-carefully)) | |
2668 | )) | |
d5e52f99 | 2669 | |
f1097063 | 2670 | |
2f3eb3b6 | 2671 | (defun viper-forward-word (arg) |
d5e52f99 MK |
2672 | "Forward word." |
2673 | (interactive "P") | |
2f3eb3b6 MK |
2674 | (viper-leave-region-active) |
2675 | (let ((val (viper-p-val arg)) | |
2676 | (com (viper-getcom arg))) | |
2677 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
2678 | (viper-forward-word-kernel val) | |
d5e52f99 MK |
2679 | (if com (progn |
2680 | (cond ((memq com (list ?c (- ?c))) | |
34317da2 | 2681 | (viper-separator-skipback-special 'twice viper-com-point)) |
d5e52f99 MK |
2682 | ;; Yank words including the whitespace, but not newline |
2683 | ((memq com (list ?y (- ?y))) | |
34317da2 | 2684 | (viper-separator-skipback-special nil viper-com-point)) |
2f3eb3b6 | 2685 | ((viper-dotable-command-p com) |
34317da2 | 2686 | (viper-separator-skipback-special nil viper-com-point))) |
2f3eb3b6 | 2687 | (viper-execute-com 'viper-forward-word val com))))) |
f1097063 | 2688 | |
d5e52f99 | 2689 | |
2f3eb3b6 | 2690 | (defun viper-forward-Word (arg) |
d5e52f99 MK |
2691 | "Forward word delimited by white characters." |
2692 | (interactive "P") | |
2f3eb3b6 MK |
2693 | (viper-leave-region-active) |
2694 | (let ((val (viper-p-val arg)) | |
2695 | (com (viper-getcom arg))) | |
2696 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
2697 | (viper-loop val | |
2f3eb3b6 | 2698 | (viper-skip-nonseparators 'forward) |
34317da2 | 2699 | (viper-skip-separators t)) |
d5e52f99 MK |
2700 | (if com (progn |
2701 | (cond ((memq com (list ?c (- ?c))) | |
34317da2 | 2702 | (viper-separator-skipback-special 'twice viper-com-point)) |
d5e52f99 MK |
2703 | ;; Yank words including the whitespace, but not newline |
2704 | ((memq com (list ?y (- ?y))) | |
34317da2 | 2705 | (viper-separator-skipback-special nil viper-com-point)) |
2f3eb3b6 | 2706 | ((viper-dotable-command-p com) |
34317da2 | 2707 | (viper-separator-skipback-special nil viper-com-point))) |
2f3eb3b6 | 2708 | (viper-execute-com 'viper-forward-Word val com))))) |
d5e52f99 MK |
2709 | |
2710 | ||
f1097063 | 2711 | ;; this is a bit different from Vi, but Vi's end of word |
d5e52f99 | 2712 | ;; makes no sense whatsoever |
2f3eb3b6 MK |
2713 | (defun viper-end-of-word-kernel () |
2714 | (if (viper-end-of-word-p) (forward-char)) | |
2715 | (if (viper-looking-at-separator) | |
2716 | (viper-skip-all-separators-forward)) | |
f1097063 | 2717 | |
2f3eb3b6 MK |
2718 | (cond ((viper-looking-at-alpha) (viper-skip-alpha-forward "_")) |
2719 | ((not (viper-looking-at-alphasep)) (viper-skip-nonalphasep-forward))) | |
2720 | (viper-backward-char-carefully)) | |
d5e52f99 | 2721 | |
2f3eb3b6 | 2722 | (defun viper-end-of-word-p () |
f1097063 | 2723 | (or (eobp) |
d5e52f99 | 2724 | (save-excursion |
2f3eb3b6 | 2725 | (cond ((viper-looking-at-alpha) |
d5e52f99 | 2726 | (forward-char) |
2f3eb3b6 MK |
2727 | (not (viper-looking-at-alpha))) |
2728 | ((not (viper-looking-at-alphasep)) | |
d5e52f99 | 2729 | (forward-char) |
2f3eb3b6 | 2730 | (viper-looking-at-alphasep)))))) |
d5e52f99 MK |
2731 | |
2732 | ||
2f3eb3b6 | 2733 | (defun viper-end-of-word (arg &optional careful) |
d5e52f99 MK |
2734 | "Move point to end of current word." |
2735 | (interactive "P") | |
2f3eb3b6 MK |
2736 | (viper-leave-region-active) |
2737 | (let ((val (viper-p-val arg)) | |
2738 | (com (viper-getcom arg))) | |
2739 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
2740 | (viper-loop val (viper-end-of-word-kernel)) | |
f1097063 | 2741 | (if com |
d5e52f99 MK |
2742 | (progn |
2743 | (forward-char) | |
2f3eb3b6 | 2744 | (viper-execute-com 'viper-end-of-word val com))))) |
d5e52f99 | 2745 | |
2f3eb3b6 | 2746 | (defun viper-end-of-Word (arg) |
d5e52f99 MK |
2747 | "Forward to end of word delimited by white character." |
2748 | (interactive "P") | |
2f3eb3b6 MK |
2749 | (viper-leave-region-active) |
2750 | (let ((val (viper-p-val arg)) | |
2751 | (com (viper-getcom arg))) | |
2752 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
2753 | (viper-loop val | |
2f3eb3b6 MK |
2754 | (viper-end-of-word-kernel) |
2755 | (viper-skip-nonseparators 'forward) | |
34317da2 | 2756 | (backward-char)) |
f1097063 | 2757 | (if com |
d5e52f99 MK |
2758 | (progn |
2759 | (forward-char) | |
2f3eb3b6 | 2760 | (viper-execute-com 'viper-end-of-Word val com))))) |
d5e52f99 | 2761 | |
2f3eb3b6 | 2762 | (defun viper-backward-word-kernel (val) |
d5e52f99 | 2763 | (while (> val 0) |
34317da2 | 2764 | (viper-backward-char-carefully) |
2f3eb3b6 MK |
2765 | (cond ((viper-looking-at-alpha) |
2766 | (viper-skip-alpha-backward "_")) | |
2767 | ((viper-looking-at-separator) | |
d5e52f99 | 2768 | (forward-char) |
2f3eb3b6 | 2769 | (viper-skip-separators nil) |
34317da2 | 2770 | (viper-backward-char-carefully) |
2f3eb3b6 MK |
2771 | (cond ((viper-looking-at-alpha) |
2772 | (viper-skip-alpha-backward "_")) | |
2773 | ((not (viper-looking-at-alphasep)) | |
2774 | (viper-skip-nonalphasep-backward)) | |
34317da2 | 2775 | ((bobp)) ; could still be at separator, but at beg of buffer |
d5e52f99 | 2776 | (t (forward-char)))) |
2f3eb3b6 MK |
2777 | ((not (viper-looking-at-alphasep)) |
2778 | (viper-skip-nonalphasep-backward))) | |
d5e52f99 MK |
2779 | (setq val (1- val)))) |
2780 | ||
2f3eb3b6 | 2781 | (defun viper-backward-word (arg) |
d5e52f99 MK |
2782 | "Backward word." |
2783 | (interactive "P") | |
2f3eb3b6 MK |
2784 | (viper-leave-region-active) |
2785 | (let ((val (viper-p-val arg)) | |
2786 | (com (viper-getcom arg))) | |
d5e52f99 MK |
2787 | (if com |
2788 | (let (i) | |
2789 | (if (setq i (save-excursion (backward-char) (looking-at "\n"))) | |
2790 | (backward-char)) | |
2f3eb3b6 | 2791 | (viper-move-marker-locally 'viper-com-point (point)) |
d5e52f99 | 2792 | (if i (forward-char)))) |
2f3eb3b6 MK |
2793 | (viper-backward-word-kernel val) |
2794 | (if com (viper-execute-com 'viper-backward-word val com)))) | |
d5e52f99 | 2795 | |
2f3eb3b6 | 2796 | (defun viper-backward-Word (arg) |
d5e52f99 MK |
2797 | "Backward word delimited by white character." |
2798 | (interactive "P") | |
2f3eb3b6 MK |
2799 | (viper-leave-region-active) |
2800 | (let ((val (viper-p-val arg)) | |
2801 | (com (viper-getcom arg))) | |
d5e52f99 MK |
2802 | (if com |
2803 | (let (i) | |
2804 | (if (setq i (save-excursion (backward-char) (looking-at "\n"))) | |
2805 | (backward-char)) | |
2f3eb3b6 | 2806 | (viper-move-marker-locally 'viper-com-point (point)) |
d5e52f99 | 2807 | (if i (forward-char)))) |
2f3eb3b6 | 2808 | (viper-loop val |
34317da2 MK |
2809 | (viper-skip-separators nil) ; nil means backward here |
2810 | (viper-skip-nonseparators 'backward)) | |
2f3eb3b6 | 2811 | (if com (viper-execute-com 'viper-backward-Word val com)))) |
d5e52f99 MK |
2812 | |
2813 | ||
2814 | \f | |
2815 | ;; line commands | |
2816 | ||
2f3eb3b6 | 2817 | (defun viper-beginning-of-line (arg) |
d5e52f99 MK |
2818 | "Go to beginning of line." |
2819 | (interactive "P") | |
2f3eb3b6 MK |
2820 | (viper-leave-region-active) |
2821 | (let ((val (viper-p-val arg)) | |
2822 | (com (viper-getcom arg))) | |
2823 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 2824 | (beginning-of-line val) |
2f3eb3b6 | 2825 | (if com (viper-execute-com 'viper-beginning-of-line val com)))) |
d5e52f99 | 2826 | |
2f3eb3b6 | 2827 | (defun viper-bol-and-skip-white (arg) |
d5e52f99 MK |
2828 | "Beginning of line at first non-white character." |
2829 | (interactive "P") | |
2f3eb3b6 MK |
2830 | (viper-leave-region-active) |
2831 | (let ((val (viper-p-val arg)) | |
2832 | (com (viper-getcom arg))) | |
2833 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 2834 | (forward-to-indentation (1- val)) |
2f3eb3b6 | 2835 | (if com (viper-execute-com 'viper-bol-and-skip-white val com)))) |
d5e52f99 | 2836 | |
2f3eb3b6 | 2837 | (defun viper-goto-eol (arg) |
d5e52f99 MK |
2838 | "Go to end of line." |
2839 | (interactive "P") | |
2f3eb3b6 MK |
2840 | (viper-leave-region-active) |
2841 | (let ((val (viper-p-val arg)) | |
2842 | (com (viper-getcom arg))) | |
2843 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 2844 | (end-of-line val) |
2f3eb3b6 MK |
2845 | (if com (viper-execute-com 'viper-goto-eol val com)) |
2846 | (if viper-ex-style-motion | |
f1097063 | 2847 | (if (and (eolp) (not (bolp)) |
2f3eb3b6 MK |
2848 | ;; a fix for viper-change-to-eol |
2849 | (not (equal viper-current-state 'insert-state))) | |
d5e52f99 MK |
2850 | (backward-char 1) |
2851 | )))) | |
2852 | ||
2853 | ||
2f3eb3b6 | 2854 | (defun viper-goto-col (arg) |
d5e52f99 MK |
2855 | "Go to ARG's column." |
2856 | (interactive "P") | |
2f3eb3b6 MK |
2857 | (viper-leave-region-active) |
2858 | (let ((val (viper-p-val arg)) | |
2859 | (com (viper-getcom arg)) | |
d5e52f99 | 2860 | line-len) |
34317da2 MK |
2861 | (setq line-len |
2862 | (viper-chars-in-region | |
2863 | (viper-line-pos 'start) (viper-line-pos 'end))) | |
2f3eb3b6 | 2864 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
d5e52f99 MK |
2865 | (beginning-of-line) |
2866 | (forward-char (1- (min line-len val))) | |
2867 | (while (> (current-column) (1- val)) | |
2868 | (backward-char 1)) | |
2f3eb3b6 | 2869 | (if com (viper-execute-com 'viper-goto-col val com)) |
d5e52f99 MK |
2870 | (save-excursion |
2871 | (end-of-line) | |
2872 | (if (> val (current-column)) (error ""))) | |
2873 | )) | |
f1097063 | 2874 | |
d5e52f99 | 2875 | |
2f3eb3b6 | 2876 | (defun viper-next-line (arg) |
d5e52f99 MK |
2877 | "Go to next line." |
2878 | (interactive "P") | |
2f3eb3b6 MK |
2879 | (viper-leave-region-active) |
2880 | (let ((val (viper-p-val arg)) | |
2881 | (com (viper-getCom arg))) | |
2882 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 2883 | (next-line val) |
2f3eb3b6 | 2884 | (if viper-ex-style-motion |
d5e52f99 MK |
2885 | (if (and (eolp) (not (bolp))) (backward-char 1))) |
2886 | (setq this-command 'next-line) | |
2f3eb3b6 | 2887 | (if com (viper-execute-com 'viper-next-line val com)))) |
d5e52f99 | 2888 | |
2f3eb3b6 | 2889 | (defun viper-next-line-at-bol (arg) |
d5e52f99 MK |
2890 | "Next line at beginning of line." |
2891 | (interactive "P") | |
2f3eb3b6 | 2892 | (viper-leave-region-active) |
d5e52f99 MK |
2893 | (save-excursion |
2894 | (end-of-line) | |
2895 | (if (eobp) (error "Last line in buffer"))) | |
2f3eb3b6 MK |
2896 | (let ((val (viper-p-val arg)) |
2897 | (com (viper-getCom arg))) | |
2898 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 MK |
2899 | (forward-line val) |
2900 | (back-to-indentation) | |
2f3eb3b6 | 2901 | (if com (viper-execute-com 'viper-next-line-at-bol val com)))) |
d5e52f99 | 2902 | |
7d3f9fd8 | 2903 | |
f1097063 SS |
2904 | (defun viper-previous-line (arg) |
2905 | "Go to previous line." | |
d5e52f99 | 2906 | (interactive "P") |
2f3eb3b6 MK |
2907 | (viper-leave-region-active) |
2908 | (let ((val (viper-p-val arg)) | |
2909 | (com (viper-getCom arg))) | |
2910 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 2911 | (previous-line val) |
2f3eb3b6 | 2912 | (if viper-ex-style-motion |
d5e52f99 MK |
2913 | (if (and (eolp) (not (bolp))) (backward-char 1))) |
2914 | (setq this-command 'previous-line) | |
2f3eb3b6 | 2915 | (if com (viper-execute-com 'viper-previous-line val com)))) |
d5e52f99 MK |
2916 | |
2917 | ||
2f3eb3b6 | 2918 | (defun viper-previous-line-at-bol (arg) |
d5e52f99 MK |
2919 | "Previous line at beginning of line." |
2920 | (interactive "P") | |
2f3eb3b6 | 2921 | (viper-leave-region-active) |
d5e52f99 MK |
2922 | (save-excursion |
2923 | (beginning-of-line) | |
2924 | (if (bobp) (error "First line in buffer"))) | |
2f3eb3b6 MK |
2925 | (let ((val (viper-p-val arg)) |
2926 | (com (viper-getCom arg))) | |
2927 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 MK |
2928 | (forward-line (- val)) |
2929 | (back-to-indentation) | |
2f3eb3b6 | 2930 | (if com (viper-execute-com 'viper-previous-line val com)))) |
d5e52f99 | 2931 | |
2f3eb3b6 | 2932 | (defun viper-change-to-eol (arg) |
d5e52f99 MK |
2933 | "Change to end of line." |
2934 | (interactive "P") | |
2f3eb3b6 | 2935 | (viper-goto-eol (cons arg ?c))) |
d5e52f99 | 2936 | |
2f3eb3b6 | 2937 | (defun viper-kill-line (arg) |
d5e52f99 MK |
2938 | "Delete line." |
2939 | (interactive "P") | |
2f3eb3b6 | 2940 | (viper-goto-eol (cons arg ?d))) |
d5e52f99 | 2941 | |
2f3eb3b6 | 2942 | (defun viper-erase-line (arg) |
d5e52f99 MK |
2943 | "Erase line." |
2944 | (interactive "P") | |
2f3eb3b6 | 2945 | (viper-beginning-of-line (cons arg ?d))) |
d5e52f99 MK |
2946 | |
2947 | \f | |
2948 | ;;; Moving around | |
2949 | ||
2f3eb3b6 | 2950 | (defun viper-goto-line (arg) |
d5e52f99 MK |
2951 | "Go to ARG's line. Without ARG go to end of buffer." |
2952 | (interactive "P") | |
2f3eb3b6 MK |
2953 | (let ((val (viper-P-val arg)) |
2954 | (com (viper-getCom arg))) | |
2955 | (viper-move-marker-locally 'viper-com-point (point)) | |
2956 | (viper-deactivate-mark) | |
d5e52f99 MK |
2957 | (push-mark nil t) |
2958 | (if (null val) | |
2959 | (goto-char (point-max)) | |
2960 | (goto-char (point-min)) | |
2961 | (forward-line (1- val))) | |
f1097063 | 2962 | |
d5e52f99 MK |
2963 | ;; positioning is done twice: before and after command execution |
2964 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) | |
2965 | (back-to-indentation) | |
f1097063 | 2966 | |
2f3eb3b6 | 2967 | (if com (viper-execute-com 'viper-goto-line val com)) |
f1097063 | 2968 | |
d5e52f99 MK |
2969 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) |
2970 | (back-to-indentation) | |
2971 | )) | |
2972 | ||
f1097063 | 2973 | ;; Find ARG's occurrence of CHAR on the current line. |
d5e52f99 MK |
2974 | ;; If FORWARD then search is forward, otherwise backward. OFFSET is used to |
2975 | ;; adjust point after search. | |
2f3eb3b6 | 2976 | (defun viper-find-char (arg char forward offset) |
d5e52f99 MK |
2977 | (or (char-or-string-p char) (error "")) |
2978 | (let ((arg (if forward arg (- arg))) | |
2f3eb3b6 MK |
2979 | (cmd (if (eq viper-intermediate-command 'viper-repeat) |
2980 | (nth 5 viper-d-com) | |
2981 | (viper-array-to-string (this-command-keys)))) | |
2eb4bdca | 2982 | point region-beg region-end) |
d5e52f99 MK |
2983 | (save-excursion |
2984 | (save-restriction | |
2eb4bdca MK |
2985 | (if (> arg 0) ; forward |
2986 | (progn | |
2987 | (setq region-beg (point)) | |
2988 | (if viper-allow-multiline-replace-regions | |
2989 | (viper-forward-paragraph 1) | |
2990 | (end-of-line)) | |
2991 | (setq region-end (point))) | |
2992 | (setq region-end (point)) | |
2993 | (if viper-allow-multiline-replace-regions | |
2994 | (viper-backward-paragraph 1) | |
2995 | (beginning-of-line)) | |
2996 | (setq region-beg (point))) | |
2997 | (if (or (and (< arg 0) | |
2998 | (< (- region-end region-beg) | |
2999 | (if viper-allow-multiline-replace-regions | |
3000 | 2 1)) | |
3001 | (bolp)) | |
3002 | (and (> arg 0) | |
3003 | (< (- region-end region-beg) | |
3004 | (if viper-allow-multiline-replace-regions | |
3005 | 3 2)) | |
3006 | (eolp))) | |
3007 | (error "Command `%s': At %s of %s" | |
3008 | cmd | |
3009 | (if (> arg 0) "end" "beginning") | |
3010 | (if viper-allow-multiline-replace-regions | |
3011 | "paragraph" "line"))) | |
3012 | (narrow-to-region region-beg region-end) | |
d5e52f99 MK |
3013 | ;; if arg > 0, point is forwarded before search. |
3014 | (if (> arg 0) (goto-char (1+ (point-min))) | |
3015 | (goto-char (point-max))) | |
3016 | (if (let ((case-fold-search nil)) | |
3017 | (search-forward (char-to-string char) nil 0 arg)) | |
3018 | (setq point (point)) | |
3019 | (error "Command `%s': `%c' not found" cmd char)))) | |
34317da2 MK |
3020 | (goto-char point) |
3021 | (if (> arg 0) | |
3022 | (backward-char (if offset 2 1)) | |
3023 | (forward-char (if offset 1 0))))) | |
d5e52f99 | 3024 | |
2f3eb3b6 | 3025 | (defun viper-find-char-forward (arg) |
f1097063 | 3026 | "Find char on the line. |
d5e52f99 | 3027 | If called interactively read the char to find from the terminal, and if |
2f3eb3b6 | 3028 | called from viper-repeat, the char last used is used. This behaviour is |
d5e52f99 MK |
3029 | controlled by the sign of prefix numeric value." |
3030 | (interactive "P") | |
2f3eb3b6 MK |
3031 | (let ((val (viper-p-val arg)) |
3032 | (com (viper-getcom arg)) | |
3033 | (cmd-representation (nth 5 viper-d-com))) | |
d5e52f99 MK |
3034 | (if (> val 0) |
3035 | ;; this means that the function was called interactively | |
2f3eb3b6 MK |
3036 | (setq viper-f-char (read-char) |
3037 | viper-f-forward t | |
3038 | viper-f-offset nil) | |
3039 | ;; viper-repeat --- set viper-F-char from command-keys | |
3040 | (setq viper-F-char (if (stringp cmd-representation) | |
3041 | (viper-seq-last-elt cmd-representation) | |
3042 | viper-F-char) | |
3043 | viper-f-char viper-F-char) | |
d5e52f99 | 3044 | (setq val (- val))) |
2f3eb3b6 MK |
3045 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
3046 | (viper-find-char | |
3047 | val (if (> (viper-p-val arg) 0) viper-f-char viper-F-char) t nil) | |
d5e52f99 MK |
3048 | (setq val (- val)) |
3049 | (if com | |
3050 | (progn | |
2f3eb3b6 | 3051 | (setq viper-F-char viper-f-char) ; set new viper-F-char |
d5e52f99 | 3052 | (forward-char) |
2f3eb3b6 | 3053 | (viper-execute-com 'viper-find-char-forward val com))))) |
d5e52f99 | 3054 | |
2f3eb3b6 | 3055 | (defun viper-goto-char-forward (arg) |
d5e52f99 MK |
3056 | "Go up to char ARG forward on line." |
3057 | (interactive "P") | |
2f3eb3b6 MK |
3058 | (let ((val (viper-p-val arg)) |
3059 | (com (viper-getcom arg)) | |
3060 | (cmd-representation (nth 5 viper-d-com))) | |
d5e52f99 MK |
3061 | (if (> val 0) |
3062 | ;; this means that the function was called interactively | |
2f3eb3b6 MK |
3063 | (setq viper-f-char (read-char) |
3064 | viper-f-forward t | |
3065 | viper-f-offset t) | |
3066 | ;; viper-repeat --- set viper-F-char from command-keys | |
3067 | (setq viper-F-char (if (stringp cmd-representation) | |
3068 | (viper-seq-last-elt cmd-representation) | |
3069 | viper-F-char) | |
3070 | viper-f-char viper-F-char) | |
d5e52f99 | 3071 | (setq val (- val))) |
2f3eb3b6 MK |
3072 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
3073 | (viper-find-char | |
3074 | val (if (> (viper-p-val arg) 0) viper-f-char viper-F-char) t t) | |
d5e52f99 MK |
3075 | (setq val (- val)) |
3076 | (if com | |
3077 | (progn | |
2f3eb3b6 | 3078 | (setq viper-F-char viper-f-char) ; set new viper-F-char |
d5e52f99 | 3079 | (forward-char) |
2f3eb3b6 | 3080 | (viper-execute-com 'viper-goto-char-forward val com))))) |
d5e52f99 | 3081 | |
2f3eb3b6 | 3082 | (defun viper-find-char-backward (arg) |
d5e52f99 MK |
3083 | "Find char ARG on line backward." |
3084 | (interactive "P") | |
2f3eb3b6 MK |
3085 | (let ((val (viper-p-val arg)) |
3086 | (com (viper-getcom arg)) | |
3087 | (cmd-representation (nth 5 viper-d-com))) | |
d5e52f99 MK |
3088 | (if (> val 0) |
3089 | ;; this means that the function was called interactively | |
2f3eb3b6 MK |
3090 | (setq viper-f-char (read-char) |
3091 | viper-f-forward nil | |
3092 | viper-f-offset nil) | |
3093 | ;; viper-repeat --- set viper-F-char from command-keys | |
3094 | (setq viper-F-char (if (stringp cmd-representation) | |
3095 | (viper-seq-last-elt cmd-representation) | |
3096 | viper-F-char) | |
3097 | viper-f-char viper-F-char) | |
d5e52f99 | 3098 | (setq val (- val))) |
2f3eb3b6 MK |
3099 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
3100 | (viper-find-char | |
3101 | val (if (> (viper-p-val arg) 0) viper-f-char viper-F-char) nil nil) | |
d5e52f99 MK |
3102 | (setq val (- val)) |
3103 | (if com | |
3104 | (progn | |
2f3eb3b6 MK |
3105 | (setq viper-F-char viper-f-char) ; set new viper-F-char |
3106 | (viper-execute-com 'viper-find-char-backward val com))))) | |
d5e52f99 | 3107 | |
2f3eb3b6 | 3108 | (defun viper-goto-char-backward (arg) |
d5e52f99 MK |
3109 | "Go up to char ARG backward on line." |
3110 | (interactive "P") | |
2f3eb3b6 MK |
3111 | (let ((val (viper-p-val arg)) |
3112 | (com (viper-getcom arg)) | |
3113 | (cmd-representation (nth 5 viper-d-com))) | |
d5e52f99 MK |
3114 | (if (> val 0) |
3115 | ;; this means that the function was called interactively | |
2f3eb3b6 MK |
3116 | (setq viper-f-char (read-char) |
3117 | viper-f-forward nil | |
3118 | viper-f-offset t) | |
3119 | ;; viper-repeat --- set viper-F-char from command-keys | |
3120 | (setq viper-F-char (if (stringp cmd-representation) | |
3121 | (viper-seq-last-elt cmd-representation) | |
3122 | viper-F-char) | |
3123 | viper-f-char viper-F-char) | |
d5e52f99 | 3124 | (setq val (- val))) |
2f3eb3b6 MK |
3125 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
3126 | (viper-find-char | |
3127 | val (if (> (viper-p-val arg) 0) viper-f-char viper-F-char) nil t) | |
d5e52f99 MK |
3128 | (setq val (- val)) |
3129 | (if com | |
3130 | (progn | |
2f3eb3b6 MK |
3131 | (setq viper-F-char viper-f-char) ; set new viper-F-char |
3132 | (viper-execute-com 'viper-goto-char-backward val com))))) | |
d5e52f99 | 3133 | |
2f3eb3b6 | 3134 | (defun viper-repeat-find (arg) |
d5e52f99 MK |
3135 | "Repeat previous find command." |
3136 | (interactive "P") | |
2f3eb3b6 MK |
3137 | (let ((val (viper-p-val arg)) |
3138 | (com (viper-getcom arg))) | |
3139 | (viper-deactivate-mark) | |
3140 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
3141 | (viper-find-char val viper-f-char viper-f-forward viper-f-offset) | |
d5e52f99 MK |
3142 | (if com |
3143 | (progn | |
2f3eb3b6 MK |
3144 | (if viper-f-forward (forward-char)) |
3145 | (viper-execute-com 'viper-repeat-find val com))))) | |
d5e52f99 | 3146 | |
2f3eb3b6 | 3147 | (defun viper-repeat-find-opposite (arg) |
d5e52f99 MK |
3148 | "Repeat previous find command in the opposite direction." |
3149 | (interactive "P") | |
2f3eb3b6 MK |
3150 | (let ((val (viper-p-val arg)) |
3151 | (com (viper-getcom arg))) | |
3152 | (viper-deactivate-mark) | |
3153 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
3154 | (viper-find-char val viper-f-char (not viper-f-forward) viper-f-offset) | |
d5e52f99 MK |
3155 | (if com |
3156 | (progn | |
2f3eb3b6 MK |
3157 | (if viper-f-forward (forward-char)) |
3158 | (viper-execute-com 'viper-repeat-find-opposite val com))))) | |
d5e52f99 MK |
3159 | |
3160 | \f | |
3161 | ;; window scrolling etc. | |
3162 | ||
2f3eb3b6 | 3163 | (defun viper-window-top (arg) |
d5e52f99 MK |
3164 | "Go to home window line." |
3165 | (interactive "P") | |
2f3eb3b6 MK |
3166 | (let ((val (viper-p-val arg)) |
3167 | (com (viper-getCom arg))) | |
3af0304a | 3168 | (viper-leave-region-active) |
2f3eb3b6 | 3169 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
f1097063 | 3170 | (push-mark nil t) |
d5e52f99 MK |
3171 | (move-to-window-line (1- val)) |
3172 | ||
3173 | ;; positioning is done twice: before and after command execution | |
3174 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) | |
3175 | (back-to-indentation) | |
f1097063 | 3176 | |
2f3eb3b6 | 3177 | (if com (viper-execute-com 'viper-window-top val com)) |
f1097063 | 3178 | |
d5e52f99 MK |
3179 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) |
3180 | (back-to-indentation) | |
3181 | )) | |
3182 | ||
2f3eb3b6 | 3183 | (defun viper-window-middle (arg) |
d5e52f99 MK |
3184 | "Go to middle window line." |
3185 | (interactive "P") | |
2f3eb3b6 | 3186 | (let ((val (viper-p-val arg)) |
3af0304a MK |
3187 | (com (viper-getCom arg))) |
3188 | (viper-leave-region-active) | |
2f3eb3b6 | 3189 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
f1097063 | 3190 | (push-mark nil t) |
3af0304a | 3191 | (move-to-window-line (+ (/ (1- (window-height)) 2) (1- val))) |
f1097063 | 3192 | |
d5e52f99 MK |
3193 | ;; positioning is done twice: before and after command execution |
3194 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) | |
3195 | (back-to-indentation) | |
3196 | ||
2f3eb3b6 | 3197 | (if com (viper-execute-com 'viper-window-middle val com)) |
f1097063 | 3198 | |
d5e52f99 MK |
3199 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) |
3200 | (back-to-indentation) | |
3201 | )) | |
3202 | ||
2f3eb3b6 | 3203 | (defun viper-window-bottom (arg) |
d5e52f99 MK |
3204 | "Go to last window line." |
3205 | (interactive "P") | |
2f3eb3b6 MK |
3206 | (let ((val (viper-p-val arg)) |
3207 | (com (viper-getCom arg))) | |
3af0304a | 3208 | (viper-leave-region-active) |
2f3eb3b6 | 3209 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
f1097063 | 3210 | (push-mark nil t) |
d5e52f99 | 3211 | (move-to-window-line (- val)) |
f1097063 | 3212 | |
d5e52f99 MK |
3213 | ;; positioning is done twice: before and after command execution |
3214 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) | |
3215 | (back-to-indentation) | |
3216 | ||
2f3eb3b6 | 3217 | (if com (viper-execute-com 'viper-window-bottom val com)) |
f1097063 | 3218 | |
d5e52f99 MK |
3219 | (if (and (eobp) (bolp) (not (bobp))) (forward-line -1)) |
3220 | (back-to-indentation) | |
3221 | )) | |
3222 | ||
2f3eb3b6 | 3223 | (defun viper-line-to-top (arg) |
d5e52f99 MK |
3224 | "Put current line on the home line." |
3225 | (interactive "p") | |
3226 | (recenter (1- arg))) | |
3227 | ||
2f3eb3b6 | 3228 | (defun viper-line-to-middle (arg) |
d5e52f99 MK |
3229 | "Put current line on the middle line." |
3230 | (interactive "p") | |
3231 | (recenter (+ (1- arg) (/ (1- (window-height)) 2)))) | |
3232 | ||
2f3eb3b6 | 3233 | (defun viper-line-to-bottom (arg) |
d5e52f99 MK |
3234 | "Put current line on the last line." |
3235 | (interactive "p") | |
3236 | (recenter (- (window-height) (1+ arg)))) | |
3237 | ||
2f3eb3b6 | 3238 | ;; If point is within viper-search-scroll-threshold of window top or bottom, |
d5e52f99 | 3239 | ;; scroll up or down 1/7 of window height, depending on whether we are at the |
3af0304a MK |
3240 | ;; bottom or at the top of the window. This function is called by viper-search |
3241 | ;; (which is called from viper-search-forward/backward/next). If the value of | |
2f3eb3b6 MK |
3242 | ;; viper-search-scroll-threshold is negative - don't scroll. |
3243 | (defun viper-adjust-window () | |
3244 | (let ((win-height (if viper-emacs-p | |
d5e52f99 MK |
3245 | (1- (window-height)) ; adjust for modeline |
3246 | (window-displayed-height))) | |
3247 | (pt (point)) | |
3248 | at-top-p at-bottom-p | |
3249 | min-scroll direction) | |
3250 | (save-excursion | |
3251 | (move-to-window-line 0) ; top | |
3252 | (setq at-top-p | |
3253 | (<= (count-lines pt (point)) | |
2f3eb3b6 | 3254 | viper-search-scroll-threshold)) |
d5e52f99 MK |
3255 | (move-to-window-line -1) ; bottom |
3256 | (setq at-bottom-p | |
2f3eb3b6 | 3257 | (<= (count-lines pt (point)) viper-search-scroll-threshold)) |
d5e52f99 | 3258 | ) |
2f3eb3b6 | 3259 | (cond (at-top-p (setq min-scroll (1- viper-search-scroll-threshold) |
d5e52f99 | 3260 | direction 1)) |
2f3eb3b6 | 3261 | (at-bottom-p (setq min-scroll (1+ viper-search-scroll-threshold) |
d5e52f99 MK |
3262 | direction -1))) |
3263 | (if min-scroll | |
3264 | (recenter | |
3265 | (* (max min-scroll (/ win-height 7)) direction))) | |
3266 | )) | |
3267 | ||
3268 | \f | |
3269 | ;; paren match | |
3af0304a | 3270 | ;; must correct this to only match ( to ) etc. On the other hand |
d5e52f99 | 3271 | ;; it is good that paren match gets confused, because that way you |
f1097063 | 3272 | ;; catch _all_ imbalances. |
d5e52f99 | 3273 | |
2f3eb3b6 | 3274 | (defun viper-paren-match (arg) |
d5e52f99 MK |
3275 | "Go to the matching parenthesis." |
3276 | (interactive "P") | |
2f3eb3b6 MK |
3277 | (viper-leave-region-active) |
3278 | (let ((com (viper-getcom arg)) | |
3279 | (parse-sexp-ignore-comments viper-parse-sexp-ignore-comments) | |
d5e52f99 MK |
3280 | anchor-point) |
3281 | (if (integerp arg) | |
3282 | (if (or (> arg 99) (< arg 1)) | |
3283 | (error "Prefix must be between 1 and 99") | |
3284 | (goto-char | |
3285 | (if (> (point-max) 80000) | |
3286 | (* (/ (point-max) 100) arg) | |
3287 | (/ (* (point-max) arg) 100))) | |
3288 | (back-to-indentation)) | |
3289 | (let (beg-lim end-lim) | |
3290 | (if (and (eolp) (not (bolp))) (forward-char -1)) | |
3291 | (if (not (looking-at "[][(){}]")) | |
3292 | (setq anchor-point (point))) | |
3293 | (save-excursion | |
3294 | (beginning-of-line) | |
3295 | (setq beg-lim (point)) | |
3296 | (end-of-line) | |
3297 | (setq end-lim (point))) | |
f1097063 | 3298 | (cond ((re-search-forward "[][(){}]" end-lim t) |
d5e52f99 MK |
3299 | (backward-char) ) |
3300 | ((re-search-backward "[][(){}]" beg-lim t)) | |
3301 | (t | |
3302 | (error "No matching character on line")))) | |
3303 | (cond ((looking-at "[\(\[{]") | |
2f3eb3b6 | 3304 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
d5e52f99 MK |
3305 | (forward-sexp 1) |
3306 | (if com | |
2f3eb3b6 | 3307 | (viper-execute-com 'viper-paren-match nil com) |
d5e52f99 MK |
3308 | (backward-char))) |
3309 | (anchor-point | |
3310 | (if com | |
3311 | (progn | |
2f3eb3b6 | 3312 | (viper-move-marker-locally 'viper-com-point anchor-point) |
d5e52f99 | 3313 | (forward-char 1) |
2f3eb3b6 | 3314 | (viper-execute-com 'viper-paren-match nil com) |
d5e52f99 MK |
3315 | ))) |
3316 | ((looking-at "[])}]") | |
3317 | (forward-char) | |
2f3eb3b6 | 3318 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
d5e52f99 | 3319 | (backward-sexp 1) |
2f3eb3b6 | 3320 | (if com (viper-execute-com 'viper-paren-match nil com))) |
d5e52f99 MK |
3321 | (t (error "")))))) |
3322 | ||
2f3eb3b6 | 3323 | (defun viper-toggle-parse-sexp-ignore-comments () |
d5e52f99 | 3324 | (interactive) |
2f3eb3b6 MK |
3325 | (setq viper-parse-sexp-ignore-comments |
3326 | (not viper-parse-sexp-ignore-comments)) | |
1e70790f MK |
3327 | (princ (format |
3328 | "From now on, `%%' will %signore parentheses inside comment fields" | |
2f3eb3b6 | 3329 | (if viper-parse-sexp-ignore-comments "" "NOT ")))) |
d5e52f99 MK |
3330 | |
3331 | \f | |
2eb4bdca | 3332 | ;; sentence, paragraph and heading |
d5e52f99 | 3333 | |
2f3eb3b6 | 3334 | (defun viper-forward-sentence (arg) |
d5e52f99 MK |
3335 | "Forward sentence." |
3336 | (interactive "P") | |
8e41a31c MK |
3337 | (or (eq last-command this-command) |
3338 | (push-mark nil t)) | |
2f3eb3b6 MK |
3339 | (let ((val (viper-p-val arg)) |
3340 | (com (viper-getcom arg))) | |
3341 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 3342 | (forward-sentence val) |
2f3eb3b6 | 3343 | (if com (viper-execute-com 'viper-forward-sentence nil com)))) |
d5e52f99 | 3344 | |
2f3eb3b6 | 3345 | (defun viper-backward-sentence (arg) |
d5e52f99 MK |
3346 | "Backward sentence." |
3347 | (interactive "P") | |
8e41a31c MK |
3348 | (or (eq last-command this-command) |
3349 | (push-mark nil t)) | |
2f3eb3b6 MK |
3350 | (let ((val (viper-p-val arg)) |
3351 | (com (viper-getcom arg))) | |
3352 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 3353 | (backward-sentence val) |
2f3eb3b6 | 3354 | (if com (viper-execute-com 'viper-backward-sentence nil com)))) |
d5e52f99 | 3355 | |
2f3eb3b6 | 3356 | (defun viper-forward-paragraph (arg) |
d5e52f99 MK |
3357 | "Forward paragraph." |
3358 | (interactive "P") | |
8e41a31c MK |
3359 | (or (eq last-command this-command) |
3360 | (push-mark nil t)) | |
2f3eb3b6 | 3361 | (let ((val (viper-p-val arg)) |
2eb4bdca MK |
3362 | ;; if you want d} operate on whole lines, change viper-getcom to |
3363 | ;; viper-getCom below | |
3364 | (com (viper-getcom arg))) | |
2f3eb3b6 | 3365 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
d5e52f99 MK |
3366 | (forward-paragraph val) |
3367 | (if com | |
3368 | (progn | |
3369 | (backward-char 1) | |
2f3eb3b6 | 3370 | (viper-execute-com 'viper-forward-paragraph nil com))))) |
d5e52f99 | 3371 | |
2f3eb3b6 | 3372 | (defun viper-backward-paragraph (arg) |
d5e52f99 MK |
3373 | "Backward paragraph." |
3374 | (interactive "P") | |
8e41a31c MK |
3375 | (or (eq last-command this-command) |
3376 | (push-mark nil t)) | |
2f3eb3b6 | 3377 | (let ((val (viper-p-val arg)) |
2eb4bdca MK |
3378 | ;; if you want d{ operate on whole lines, change viper-getcom to |
3379 | ;; viper-getCom below | |
3380 | (com (viper-getcom arg))) | |
2f3eb3b6 | 3381 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
d5e52f99 MK |
3382 | (backward-paragraph val) |
3383 | (if com | |
3384 | (progn | |
3385 | (forward-char 1) | |
2f3eb3b6 | 3386 | (viper-execute-com 'viper-backward-paragraph nil com) |
d5e52f99 MK |
3387 | (backward-char 1))))) |
3388 | ||
8e41a31c | 3389 | ;; should be mode-specific |
2f3eb3b6 | 3390 | (defun viper-prev-heading (arg) |
d5e52f99 | 3391 | (interactive "P") |
2f3eb3b6 MK |
3392 | (let ((val (viper-p-val arg)) |
3393 | (com (viper-getCom arg))) | |
3394 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
3395 | (re-search-backward viper-heading-start nil t val) | |
d5e52f99 | 3396 | (goto-char (match-beginning 0)) |
2f3eb3b6 | 3397 | (if com (viper-execute-com 'viper-prev-heading nil com)))) |
d5e52f99 | 3398 | |
2f3eb3b6 | 3399 | (defun viper-heading-end (arg) |
d5e52f99 | 3400 | (interactive "P") |
2f3eb3b6 MK |
3401 | (let ((val (viper-p-val arg)) |
3402 | (com (viper-getCom arg))) | |
3403 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
3404 | (re-search-forward viper-heading-end nil t val) | |
d5e52f99 | 3405 | (goto-char (match-beginning 0)) |
2f3eb3b6 | 3406 | (if com (viper-execute-com 'viper-heading-end nil com)))) |
d5e52f99 | 3407 | |
2f3eb3b6 | 3408 | (defun viper-next-heading (arg) |
d5e52f99 | 3409 | (interactive "P") |
2f3eb3b6 MK |
3410 | (let ((val (viper-p-val arg)) |
3411 | (com (viper-getCom arg))) | |
3412 | (if com (viper-move-marker-locally 'viper-com-point (point))) | |
d5e52f99 | 3413 | (end-of-line) |
2f3eb3b6 | 3414 | (re-search-forward viper-heading-start nil t val) |
d5e52f99 | 3415 | (goto-char (match-beginning 0)) |
2f3eb3b6 | 3416 | (if com (viper-execute-com 'viper-next-heading nil com)))) |
d5e52f99 MK |
3417 | |
3418 | \f | |
3419 | ;; scrolling | |
3420 | ||
2f3eb3b6 | 3421 | (defun viper-scroll-screen (arg) |
d5e52f99 MK |
3422 | "Scroll to next screen." |
3423 | (interactive "p") | |
3424 | (condition-case nil | |
3425 | (if (> arg 0) | |
3426 | (while (> arg 0) | |
3427 | (scroll-up) | |
3428 | (setq arg (1- arg))) | |
3429 | (while (> 0 arg) | |
3430 | (scroll-down) | |
3431 | (setq arg (1+ arg)))) | |
3432 | (error (beep 1) | |
3433 | (if (> arg 0) | |
3434 | (progn | |
3435 | (message "End of buffer") | |
3436 | (goto-char (point-max))) | |
3437 | (message "Beginning of buffer") | |
3438 | (goto-char (point-min)))) | |
3439 | )) | |
3440 | ||
2f3eb3b6 | 3441 | (defun viper-scroll-screen-back (arg) |
d5e52f99 MK |
3442 | "Scroll to previous screen." |
3443 | (interactive "p") | |
2f3eb3b6 | 3444 | (viper-scroll-screen (- arg))) |
d5e52f99 | 3445 | |
2f3eb3b6 | 3446 | (defun viper-scroll-down (arg) |
d5e52f99 MK |
3447 | "Pull down half screen." |
3448 | (interactive "P") | |
3449 | (condition-case nil | |
3450 | (if (null arg) | |
3451 | (scroll-down (/ (window-height) 2)) | |
3452 | (scroll-down arg)) | |
3453 | (error (beep 1) | |
3454 | (message "Beginning of buffer") | |
3455 | (goto-char (point-min))))) | |
3456 | ||
2f3eb3b6 | 3457 | (defun viper-scroll-down-one (arg) |
d5e52f99 MK |
3458 | "Scroll up one line." |
3459 | (interactive "p") | |
3460 | (scroll-down arg)) | |
3461 | ||
2f3eb3b6 | 3462 | (defun viper-scroll-up (arg) |
d5e52f99 MK |
3463 | "Pull up half screen." |
3464 | (interactive "P") | |
3465 | (condition-case nil | |
3466 | (if (null arg) | |
3467 | (scroll-up (/ (window-height) 2)) | |
3468 | (scroll-up arg)) | |
3469 | (error (beep 1) | |
3470 | (message "End of buffer") | |
3471 | (goto-char (point-max))))) | |
3472 | ||
2f3eb3b6 | 3473 | (defun viper-scroll-up-one (arg) |
d5e52f99 MK |
3474 | "Scroll down one line." |
3475 | (interactive "p") | |
3476 | (scroll-up arg)) | |
3477 | ||
3478 | \f | |
3479 | ;; searching | |
3480 | ||
2f3eb3b6 MK |
3481 | (defun viper-if-string (prompt) |
3482 | (if (memq viper-intermediate-command | |
3483 | '(viper-command-argument viper-digit-argument viper-repeat)) | |
3484 | (setq viper-this-command-keys (this-command-keys))) | |
3485 | (let ((s (viper-read-string-with-history | |
d5e52f99 MK |
3486 | prompt |
3487 | nil ; no initial | |
2f3eb3b6 MK |
3488 | 'viper-search-history |
3489 | (car viper-search-history)))) | |
d5e52f99 | 3490 | (if (not (string= s "")) |
f1097063 SS |
3491 | (setq viper-s-string s)))) |
3492 | ||
3493 | ||
3494 | (defun viper-toggle-search-style (arg) | |
2f3eb3b6 | 3495 | "Toggle the value of viper-case-fold-search/viper-re-search. |
3af0304a | 3496 | Without prefix argument, will ask which search style to toggle. With prefix |
2f3eb3b6 | 3497 | arg 1,toggles viper-case-fold-search; with arg 2 toggles viper-re-search. |
d5e52f99 | 3498 | |
2f3eb3b6 | 3499 | Although this function is bound to \\[viper-toggle-search-style], the most |
d5e52f99 | 3500 | convenient way to use it is to bind `//' to the macro |
2f3eb3b6 | 3501 | `1 M-x viper-toggle-search-style' and `///' to |
3af0304a | 3502 | `2 M-x viper-toggle-search-style'. In this way, hitting `//' quickly will |
d5e52f99 | 3503 | toggle case-fold-search and hitting `/' three times witth toggle regexp |
3af0304a | 3504 | search. Macros are more convenient in this case because they don't affect |
d5e52f99 MK |
3505 | the Emacs binding of `/'." |
3506 | (interactive "P") | |
3507 | (let (msg) | |
3508 | (cond ((or (eq arg 1) | |
3509 | (and (null arg) | |
3af0304a | 3510 | (y-or-n-p (format "Search style: '%s'. Want '%s'? " |
2f3eb3b6 | 3511 | (if viper-case-fold-search |
d5e52f99 | 3512 | "case-insensitive" "case-sensitive") |
2f3eb3b6 | 3513 | (if viper-case-fold-search |
d5e52f99 MK |
3514 | "case-sensitive" |
3515 | "case-insensitive"))))) | |
2f3eb3b6 MK |
3516 | (setq viper-case-fold-search (null viper-case-fold-search)) |
3517 | (if viper-case-fold-search | |
d5e52f99 MK |
3518 | (setq msg "Search becomes case-insensitive") |
3519 | (setq msg "Search becomes case-sensitive"))) | |
3520 | ((or (eq arg 2) | |
3521 | (and (null arg) | |
3af0304a | 3522 | (y-or-n-p (format "Search style: '%s'. Want '%s'? " |
2f3eb3b6 | 3523 | (if viper-re-search |
d5e52f99 | 3524 | "regexp-search" "vanilla-search") |
2f3eb3b6 | 3525 | (if viper-re-search |
d5e52f99 MK |
3526 | "vanilla-search" |
3527 | "regexp-search"))))) | |
2f3eb3b6 MK |
3528 | (setq viper-re-search (null viper-re-search)) |
3529 | (if viper-re-search | |
d5e52f99 MK |
3530 | (setq msg "Search becomes regexp-style") |
3531 | (setq msg "Search becomes vanilla-style"))) | |
3532 | (t | |
3533 | (setq msg "Search style remains unchanged"))) | |
1e70790f | 3534 | (princ msg t))) |
d5e52f99 | 3535 | |
2f3eb3b6 | 3536 | (defun viper-set-searchstyle-toggling-macros (unset) |
d5e52f99 MK |
3537 | "Set the macros for toggling the search style in Viper's vi-state. |
3538 | The macro that toggles case sensitivity is bound to `//', and the one that | |
3539 | toggles regexp search is bound to `///'. | |
3540 | With a prefix argument, this function unsets the macros. " | |
3541 | (interactive "P") | |
3542 | (or noninteractive | |
3543 | (if (not unset) | |
3544 | (progn | |
3545 | ;; toggle case sensitivity in search | |
2f3eb3b6 | 3546 | (viper-record-kbd-macro |
d5e52f99 | 3547 | "//" 'vi-state |
2f3eb3b6 | 3548 | [1 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return] |
d5e52f99 MK |
3549 | 't) |
3550 | ;; toggle regexp/vanila search | |
2f3eb3b6 | 3551 | (viper-record-kbd-macro |
d5e52f99 | 3552 | "///" 'vi-state |
2f3eb3b6 | 3553 | [2 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return] |
d5e52f99 MK |
3554 | 't) |
3555 | (if (interactive-p) | |
3556 | (message | |
1e70790f | 3557 | "// and /// now toggle case-sensitivity and regexp search"))) |
2f3eb3b6 | 3558 | (viper-unrecord-kbd-macro "//" 'vi-state) |
d5e52f99 | 3559 | (sit-for 2) |
2f3eb3b6 | 3560 | (viper-unrecord-kbd-macro "///" 'vi-state)))) |
d5e52f99 | 3561 | |
1e70790f | 3562 | |
2f3eb3b6 | 3563 | (defun viper-set-parsing-style-toggling-macro (unset) |
1e70790f MK |
3564 | "Set `%%%' to be a macro that toggles whether comment fields should be parsed for matching parentheses. |
3565 | This is used in conjunction with the `%' command. | |
3566 | ||
3567 | With a prefix argument, unsets the macro." | |
3568 | (interactive "P") | |
3569 | (or noninteractive | |
3570 | (if (not unset) | |
3571 | (progn | |
3572 | ;; Make %%% toggle parsing comments for matching parentheses | |
2f3eb3b6 | 3573 | (viper-record-kbd-macro |
1e70790f | 3574 | "%%%" 'vi-state |
2f3eb3b6 | 3575 | [(meta x) v i p e r - t o g g l e - p a r s e - s e x p - i g n o r e - c o m m e n t s return] |
1e70790f MK |
3576 | 't) |
3577 | (if (interactive-p) | |
3578 | (message | |
3579 | "%%%%%% now toggles whether comments should be parsed for matching parentheses"))) | |
2f3eb3b6 | 3580 | (viper-unrecord-kbd-macro "%%%" 'vi-state)))) |
1e70790f MK |
3581 | |
3582 | ||
2f3eb3b6 | 3583 | (defun viper-set-emacs-state-searchstyle-macros (unset &optional arg-majormode) |
d5e52f99 MK |
3584 | "Set the macros for toggling the search style in Viper's emacs-state. |
3585 | The macro that toggles case sensitivity is bound to `//', and the one that | |
3586 | toggles regexp search is bound to `///'. | |
f1097063 | 3587 | With a prefix argument, this function unsets the macros. |
d5e52f99 | 3588 | If the optional prefix argument is non-nil and specifies a valid major mode, |
3af0304a | 3589 | this sets the macros only in the macros in that major mode. Otherwise, |
d5e52f99 MK |
3590 | the macros are set in the current major mode. |
3591 | \(When unsetting the macros, the second argument has no effect.\)" | |
3592 | (interactive "P") | |
3593 | (or noninteractive | |
3594 | (if (not unset) | |
3595 | (progn | |
3596 | ;; toggle case sensitivity in search | |
2f3eb3b6 | 3597 | (viper-record-kbd-macro |
d5e52f99 | 3598 | "//" 'emacs-state |
f1097063 | 3599 | [1 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return] |
d5e52f99 MK |
3600 | (or arg-majormode major-mode)) |
3601 | ;; toggle regexp/vanila search | |
2f3eb3b6 | 3602 | (viper-record-kbd-macro |
d5e52f99 | 3603 | "///" 'emacs-state |
2f3eb3b6 | 3604 | [2 (meta x) v i p e r - t o g g l e - s e a r c h - s t y l e return] |
d5e52f99 MK |
3605 | (or arg-majormode major-mode)) |
3606 | (if (interactive-p) | |
3607 | (message | |
3608 | "// and /// now toggle case-sensitivity and regexp search."))) | |
2f3eb3b6 | 3609 | (viper-unrecord-kbd-macro "//" 'emacs-state) |
d5e52f99 | 3610 | (sit-for 2) |
2f3eb3b6 | 3611 | (viper-unrecord-kbd-macro "///" 'emacs-state)))) |
d5e52f99 MK |
3612 | |
3613 | ||
2f3eb3b6 | 3614 | (defun viper-search-forward (arg) |
f1097063 | 3615 | "Search a string forward. |
d5e52f99 MK |
3616 | ARG is used to find the ARG's occurrence of the string. |
3617 | Null string will repeat previous search." | |
3618 | (interactive "P") | |
2f3eb3b6 MK |
3619 | (let ((val (viper-P-val arg)) |
3620 | (com (viper-getcom arg)) | |
3621 | (old-str viper-s-string)) | |
3622 | (setq viper-s-forward t) | |
3623 | (viper-if-string "/") | |
d5e52f99 | 3624 | ;; this is not used at present, but may be used later |
2f3eb3b6 MK |
3625 | (if (or (not (equal old-str viper-s-string)) |
3626 | (not (markerp viper-local-search-start-marker)) | |
3627 | (not (marker-buffer viper-local-search-start-marker))) | |
3628 | (setq viper-local-search-start-marker (point-marker))) | |
3629 | (viper-search viper-s-string t val) | |
d5e52f99 MK |
3630 | (if com |
3631 | (progn | |
2f3eb3b6 MK |
3632 | (viper-move-marker-locally 'viper-com-point (mark t)) |
3633 | (viper-execute-com 'viper-search-next val com))))) | |
d5e52f99 | 3634 | |
2f3eb3b6 | 3635 | (defun viper-search-backward (arg) |
f1097063 | 3636 | "Search a string backward. |
d5e52f99 MK |
3637 | ARG is used to find the ARG's occurrence of the string. |
3638 | Null string will repeat previous search." | |
3639 | (interactive "P") | |
2f3eb3b6 MK |
3640 | (let ((val (viper-P-val arg)) |
3641 | (com (viper-getcom arg)) | |
3642 | (old-str viper-s-string)) | |
3643 | (setq viper-s-forward nil) | |
3644 | (viper-if-string "?") | |
d5e52f99 | 3645 | ;; this is not used at present, but may be used later |
2f3eb3b6 MK |
3646 | (if (or (not (equal old-str viper-s-string)) |
3647 | (not (markerp viper-local-search-start-marker)) | |
3648 | (not (marker-buffer viper-local-search-start-marker))) | |
3649 | (setq viper-local-search-start-marker (point-marker))) | |
3650 | (viper-search viper-s-string nil val) | |
d5e52f99 MK |
3651 | (if com |
3652 | (progn | |
2f3eb3b6 MK |
3653 | (viper-move-marker-locally 'viper-com-point (mark t)) |
3654 | (viper-execute-com 'viper-search-next val com))))) | |
f1097063 | 3655 | |
d5e52f99 MK |
3656 | |
3657 | ;; Search for COUNT's occurrence of STRING. | |
3658 | ;; Search is forward if FORWARD is non-nil, otherwise backward. | |
3659 | ;; INIT-POINT is the position where search is to start. | |
3660 | ;; Arguments: | |
3661 | ;; (STRING FORW COUNT &optional NO-OFFSET INIT-POINT LIMIT FAIL-IF-NOT-FOUND) | |
2f3eb3b6 MK |
3662 | (defun viper-search (string forward arg |
3663 | &optional no-offset init-point fail-if-not-found) | |
d5e52f99 | 3664 | (if (not (equal string "")) |
2f3eb3b6 MK |
3665 | (let ((val (viper-p-val arg)) |
3666 | (com (viper-getcom arg)) | |
d5e52f99 | 3667 | (offset (not no-offset)) |
2f3eb3b6 | 3668 | (case-fold-search viper-case-fold-search) |
d5e52f99 | 3669 | (start-point (or init-point (point)))) |
2f3eb3b6 | 3670 | (viper-deactivate-mark) |
d5e52f99 MK |
3671 | (if forward |
3672 | (condition-case nil | |
3673 | (progn | |
2f3eb3b6 MK |
3674 | (if offset (viper-forward-char-carefully)) |
3675 | (if viper-re-search | |
d5e52f99 MK |
3676 | (progn |
3677 | (re-search-forward string nil nil val) | |
3678 | (re-search-backward string)) | |
3679 | (search-forward string nil nil val) | |
3680 | (search-backward string)) | |
3681 | (if (not (equal start-point (point))) | |
f1097063 | 3682 | (push-mark start-point t))) |
d5e52f99 | 3683 | (search-failed |
2f3eb3b6 | 3684 | (if (and (not fail-if-not-found) viper-search-wrap-around-t) |
d5e52f99 MK |
3685 | (progn |
3686 | (message "Search wrapped around BOTTOM of buffer") | |
3687 | (goto-char (point-min)) | |
2f3eb3b6 | 3688 | (viper-search string forward (cons 1 com) t start-point 'fail) |
d5e52f99 | 3689 | ;; don't wait in macros |
2f3eb3b6 | 3690 | (or executing-kbd-macro |
f1097063 | 3691 | (memq viper-intermediate-command |
2f3eb3b6 MK |
3692 | '(viper-repeat |
3693 | viper-digit-argument | |
3694 | viper-command-argument)) | |
3695 | (sit-for 2)) | |
d5e52f99 MK |
3696 | ;; delete the wrap-around message |
3697 | (message "") | |
3698 | ) | |
3699 | (goto-char start-point) | |
3700 | (error "`%s': %s not found" | |
3701 | string | |
2f3eb3b6 | 3702 | (if viper-re-search "Pattern" "String")) |
d5e52f99 MK |
3703 | ))) |
3704 | ;; backward | |
3705 | (condition-case nil | |
3706 | (progn | |
2f3eb3b6 | 3707 | (if viper-re-search |
d5e52f99 MK |
3708 | (re-search-backward string nil nil val) |
3709 | (search-backward string nil nil val)) | |
3710 | (if (not (equal start-point (point))) | |
f1097063 | 3711 | (push-mark start-point t))) |
d5e52f99 | 3712 | (search-failed |
2f3eb3b6 | 3713 | (if (and (not fail-if-not-found) viper-search-wrap-around-t) |
d5e52f99 MK |
3714 | (progn |
3715 | (message "Search wrapped around TOP of buffer") | |
3716 | (goto-char (point-max)) | |
2f3eb3b6 | 3717 | (viper-search string forward (cons 1 com) t start-point 'fail) |
d5e52f99 | 3718 | ;; don't wait in macros |
2f3eb3b6 | 3719 | (or executing-kbd-macro |
f1097063 | 3720 | (memq viper-intermediate-command |
2f3eb3b6 MK |
3721 | '(viper-repeat |
3722 | viper-digit-argument | |
3723 | viper-command-argument)) | |
3724 | (sit-for 2)) | |
d5e52f99 MK |
3725 | ;; delete the wrap-around message |
3726 | (message "") | |
3727 | ) | |
3728 | (goto-char start-point) | |
3729 | (error "`%s': %s not found" | |
3730 | string | |
2f3eb3b6 | 3731 | (if viper-re-search "Pattern" "String")) |
d5e52f99 MK |
3732 | )))) |
3733 | ;; pull up or down if at top/bottom of window | |
2f3eb3b6 | 3734 | (viper-adjust-window) |
d5e52f99 MK |
3735 | ;; highlight the result of search |
3736 | ;; don't wait and don't highlight in macros | |
3737 | (or executing-kbd-macro | |
f1097063 | 3738 | (memq viper-intermediate-command |
2f3eb3b6 MK |
3739 | '(viper-repeat viper-digit-argument viper-command-argument)) |
3740 | (viper-flash-search-pattern)) | |
d5e52f99 MK |
3741 | ))) |
3742 | ||
2f3eb3b6 | 3743 | (defun viper-search-next (arg) |
d5e52f99 MK |
3744 | "Repeat previous search." |
3745 | (interactive "P") | |
2f3eb3b6 MK |
3746 | (let ((val (viper-p-val arg)) |
3747 | (com (viper-getcom arg))) | |
3748 | (if (null viper-s-string) (error viper-NoPrevSearch)) | |
3749 | (viper-search viper-s-string viper-s-forward arg) | |
d5e52f99 MK |
3750 | (if com |
3751 | (progn | |
2f3eb3b6 MK |
3752 | (viper-move-marker-locally 'viper-com-point (mark t)) |
3753 | (viper-execute-com 'viper-search-next val com))))) | |
d5e52f99 | 3754 | |
2f3eb3b6 | 3755 | (defun viper-search-Next (arg) |
d5e52f99 MK |
3756 | "Repeat previous search in the reverse direction." |
3757 | (interactive "P") | |
2f3eb3b6 MK |
3758 | (let ((val (viper-p-val arg)) |
3759 | (com (viper-getcom arg))) | |
3760 | (if (null viper-s-string) (error viper-NoPrevSearch)) | |
3761 | (viper-search viper-s-string (not viper-s-forward) arg) | |
d5e52f99 MK |
3762 | (if com |
3763 | (progn | |
2f3eb3b6 MK |
3764 | (viper-move-marker-locally 'viper-com-point (mark t)) |
3765 | (viper-execute-com 'viper-search-Next val com))))) | |
d5e52f99 MK |
3766 | |
3767 | ||
3768 | ;; Search contents of buffer defined by one of Viper's motion commands. | |
3769 | ;; Repeatable via `n' and `N'. | |
2f3eb3b6 MK |
3770 | (defun viper-buffer-search-enable (&optional c) |
3771 | (cond (c (setq viper-buffer-search-char c)) | |
3772 | ((null viper-buffer-search-char) | |
3773 | (setq viper-buffer-search-char ?g))) | |
3774 | (define-key viper-vi-basic-map | |
f1097063 | 3775 | (cond ((viper-characterp viper-buffer-search-char) |
3af0304a MK |
3776 | (char-to-string viper-buffer-search-char)) |
3777 | (t (error "viper-buffer-search-char: wrong value type, %s" | |
3778 | viper-buffer-search-char))) | |
3779 | 'viper-command-argument) | |
2f3eb3b6 MK |
3780 | (aset viper-exec-array viper-buffer-search-char 'viper-exec-buffer-search) |
3781 | (setq viper-prefix-commands | |
3782 | (cons viper-buffer-search-char viper-prefix-commands))) | |
d5e52f99 MK |
3783 | |
3784 | ;; This is a Viper wraper for isearch-forward. | |
2f3eb3b6 | 3785 | (defun viper-isearch-forward (arg) |
d5e52f99 MK |
3786 | "Do incremental search forward." |
3787 | (interactive "P") | |
3788 | ;; emacs bug workaround | |
3789 | (if (listp arg) (setq arg (car arg))) | |
2f3eb3b6 | 3790 | (viper-exec-form-in-emacs (list 'isearch-forward arg))) |
d5e52f99 MK |
3791 | |
3792 | ;; This is a Viper wraper for isearch-backward." | |
2f3eb3b6 | 3793 | (defun viper-isearch-backward (arg) |
d5e52f99 MK |
3794 | "Do incremental search backward." |
3795 | (interactive "P") | |
3796 | ;; emacs bug workaround | |
3797 | (if (listp arg) (setq arg (car arg))) | |
2f3eb3b6 | 3798 | (viper-exec-form-in-emacs (list 'isearch-backward arg))) |
d5e52f99 MK |
3799 | |
3800 | \f | |
3801 | ;; visiting and killing files, buffers | |
3802 | ||
2f3eb3b6 | 3803 | (defun viper-switch-to-buffer () |
d5e52f99 MK |
3804 | "Switch to buffer in the current window." |
3805 | (interactive) | |
6d459c4d KH |
3806 | (let ((other-buffer (other-buffer (current-buffer))) |
3807 | buffer) | |
d5e52f99 | 3808 | (setq buffer |
3af0304a MK |
3809 | (funcall viper-read-buffer-function |
3810 | "Switch to buffer in this window: " other-buffer)) | |
6d459c4d | 3811 | (switch-to-buffer buffer))) |
d5e52f99 | 3812 | |
2f3eb3b6 | 3813 | (defun viper-switch-to-buffer-other-window () |
d5e52f99 MK |
3814 | "Switch to buffer in another window." |
3815 | (interactive) | |
6d459c4d KH |
3816 | (let ((other-buffer (other-buffer (current-buffer))) |
3817 | buffer) | |
d5e52f99 | 3818 | (setq buffer |
3af0304a MK |
3819 | (funcall viper-read-buffer-function |
3820 | "Switch to buffer in another window: " other-buffer)) | |
6d459c4d | 3821 | (switch-to-buffer-other-window buffer))) |
d5e52f99 | 3822 | |
2f3eb3b6 | 3823 | (defun viper-kill-buffer () |
d5e52f99 MK |
3824 | "Kill a buffer." |
3825 | (interactive) | |
3826 | (let (buffer buffer-name) | |
3827 | (setq buffer-name | |
3af0304a MK |
3828 | (funcall viper-read-buffer-function |
3829 | (format "Kill buffer \(%s\): " | |
3830 | (buffer-name (current-buffer))))) | |
d5e52f99 MK |
3831 | (setq buffer |
3832 | (if (null buffer-name) | |
3833 | (current-buffer) | |
3834 | (get-buffer buffer-name))) | |
3835 | (if (null buffer) (error "`%s': No such buffer" buffer-name)) | |
3836 | (if (or (not (buffer-modified-p buffer)) | |
f1097063 | 3837 | (y-or-n-p |
d5e52f99 MK |
3838 | (format |
3839 | "Buffer `%s' is modified, are you sure you want to kill it? " | |
3840 | buffer-name))) | |
3841 | (kill-buffer buffer) | |
3842 | (error "Buffer not killed")))) | |
3843 | ||
f1097063 | 3844 | |
d5e52f99 MK |
3845 | \f |
3846 | ;; yank and pop | |
3847 | ||
2f3eb3b6 | 3848 | (defsubst viper-yank (text) |
3af0304a | 3849 | "Yank TEXT silently. This works correctly with Emacs's yank-pop command." |
d5e52f99 MK |
3850 | (insert text) |
3851 | (setq this-command 'yank)) | |
3852 | ||
2f3eb3b6 | 3853 | (defun viper-put-back (arg) |
d5e52f99 MK |
3854 | "Put back after point/below line." |
3855 | (interactive "P") | |
2f3eb3b6 MK |
3856 | (let ((val (viper-p-val arg)) |
3857 | (text (if viper-use-register | |
3858 | (cond ((viper-valid-register viper-use-register '(digit)) | |
3859 | (current-kill | |
3860 | (- viper-use-register ?1) 'do-not-rotate)) | |
3861 | ((viper-valid-register viper-use-register) | |
3862 | (get-register (downcase viper-use-register))) | |
3863 | (t (error viper-InvalidRegister viper-use-register))) | |
2eb4bdca | 3864 | (current-kill 0))) |
3af0304a | 3865 | sv-point chars-inserted lines-inserted) |
d5e52f99 | 3866 | (if (null text) |
2f3eb3b6 MK |
3867 | (if viper-use-register |
3868 | (let ((reg viper-use-register)) | |
3869 | (setq viper-use-register nil) | |
3870 | (error viper-EmptyRegister reg)) | |
d5e52f99 | 3871 | (error ""))) |
2f3eb3b6 MK |
3872 | (setq viper-use-register nil) |
3873 | (if (viper-end-with-a-newline-p text) | |
d5e52f99 MK |
3874 | (progn |
3875 | (end-of-line) | |
3876 | (if (eobp) | |
3877 | (insert "\n") | |
3878 | (forward-line 1)) | |
3879 | (beginning-of-line)) | |
2f3eb3b6 MK |
3880 | (if (not (eolp)) (viper-forward-char-carefully))) |
3881 | (set-marker (viper-mark-marker) (point) (current-buffer)) | |
3882 | (viper-set-destructive-command | |
3883 | (list 'viper-put-back val nil viper-use-register nil nil)) | |
2eb4bdca MK |
3884 | (setq sv-point (point)) |
3885 | (viper-loop val (viper-yank text)) | |
3af0304a MK |
3886 | (setq chars-inserted (abs (- (point) sv-point)) |
3887 | lines-inserted (abs (count-lines (point) sv-point))) | |
3888 | (if (or (> chars-inserted viper-change-notification-threshold) | |
3889 | (> lines-inserted viper-change-notification-threshold)) | |
3890 | (message "Inserted %d character(s), %d line(s)" | |
3891 | chars-inserted lines-inserted))) | |
d5e52f99 | 3892 | ;; Vi puts cursor on the last char when the yanked text doesn't contain a |
f1097063 | 3893 | ;; newline; it leaves the cursor at the beginning when the text contains |
d5e52f99 | 3894 | ;; a newline |
2f3eb3b6 MK |
3895 | (if (viper-same-line (point) (mark)) |
3896 | (or (= (point) (mark)) (viper-backward-char-carefully)) | |
d5e52f99 MK |
3897 | (exchange-point-and-mark) |
3898 | (if (bolp) | |
3899 | (back-to-indentation))) | |
2f3eb3b6 | 3900 | (viper-deactivate-mark)) |
d5e52f99 | 3901 | |
2f3eb3b6 | 3902 | (defun viper-Put-back (arg) |
d5e52f99 MK |
3903 | "Put back at point/above line." |
3904 | (interactive "P") | |
2f3eb3b6 MK |
3905 | (let ((val (viper-p-val arg)) |
3906 | (text (if viper-use-register | |
3907 | (cond ((viper-valid-register viper-use-register '(digit)) | |
3908 | (current-kill | |
3909 | (- viper-use-register ?1) 'do-not-rotate)) | |
3910 | ((viper-valid-register viper-use-register) | |
3911 | (get-register (downcase viper-use-register))) | |
3912 | (t (error viper-InvalidRegister viper-use-register))) | |
3af0304a MK |
3913 | (current-kill 0))) |
3914 | sv-point chars-inserted lines-inserted) | |
d5e52f99 | 3915 | (if (null text) |
2f3eb3b6 MK |
3916 | (if viper-use-register |
3917 | (let ((reg viper-use-register)) | |
3918 | (setq viper-use-register nil) | |
3919 | (error viper-EmptyRegister reg)) | |
d5e52f99 | 3920 | (error ""))) |
2f3eb3b6 MK |
3921 | (setq viper-use-register nil) |
3922 | (if (viper-end-with-a-newline-p text) (beginning-of-line)) | |
3923 | (viper-set-destructive-command | |
3924 | (list 'viper-Put-back val nil viper-use-register nil nil)) | |
3925 | (set-marker (viper-mark-marker) (point) (current-buffer)) | |
3af0304a MK |
3926 | (setq sv-point (point)) |
3927 | (viper-loop val (viper-yank text)) | |
3928 | (setq chars-inserted (abs (- (point) sv-point)) | |
3929 | lines-inserted (abs (count-lines (point) sv-point))) | |
3930 | (if (or (> chars-inserted viper-change-notification-threshold) | |
3931 | (> lines-inserted viper-change-notification-threshold)) | |
3932 | (message "Inserted %d character(s), %d line(s)" | |
3933 | chars-inserted lines-inserted))) | |
d5e52f99 | 3934 | ;; Vi puts cursor on the last char when the yanked text doesn't contain a |
f1097063 | 3935 | ;; newline; it leaves the cursor at the beginning when the text contains |
d5e52f99 | 3936 | ;; a newline |
2f3eb3b6 MK |
3937 | (if (viper-same-line (point) (mark)) |
3938 | (or (= (point) (mark)) (viper-backward-char-carefully)) | |
d5e52f99 MK |
3939 | (exchange-point-and-mark) |
3940 | (if (bolp) | |
3941 | (back-to-indentation))) | |
2f3eb3b6 | 3942 | (viper-deactivate-mark)) |
f1097063 | 3943 | |
d5e52f99 MK |
3944 | |
3945 | ;; Copy region to kill-ring. | |
3946 | ;; If BEG and END do not belong to the same buffer, copy empty region. | |
2f3eb3b6 | 3947 | (defun viper-copy-region-as-kill (beg end) |
d5e52f99 MK |
3948 | (condition-case nil |
3949 | (copy-region-as-kill beg end) | |
3950 | (error (copy-region-as-kill beg beg)))) | |
f1097063 | 3951 | |
d5e52f99 | 3952 | |
2f3eb3b6 | 3953 | (defun viper-delete-char (arg) |
34317da2 | 3954 | "Delete next character." |
d5e52f99 | 3955 | (interactive "P") |
34317da2 MK |
3956 | (let ((val (viper-p-val arg)) |
3957 | end-del-pos) | |
2f3eb3b6 MK |
3958 | (viper-set-destructive-command |
3959 | (list 'viper-delete-char val nil nil nil nil)) | |
34317da2 MK |
3960 | (if (and viper-ex-style-editing |
3961 | (> val (viper-chars-in-region (point) (viper-line-pos 'end)))) | |
3962 | (setq val (viper-chars-in-region (point) (viper-line-pos 'end)))) | |
2f3eb3b6 | 3963 | (if (and viper-ex-style-motion (eolp)) |
d5e52f99 | 3964 | (if (bolp) (error "") (setq val 0))) ; not bol---simply back 1 ch |
34317da2 MK |
3965 | (save-excursion |
3966 | (viper-forward-char-carefully val) | |
3967 | (setq end-del-pos (point))) | |
2f3eb3b6 | 3968 | (if viper-use-register |
d5e52f99 | 3969 | (progn |
2f3eb3b6 MK |
3970 | (cond ((viper-valid-register viper-use-register '((Letter))) |
3971 | (viper-append-to-register | |
34317da2 | 3972 | (downcase viper-use-register) (point) end-del-pos)) |
2f3eb3b6 | 3973 | ((viper-valid-register viper-use-register) |
d5e52f99 | 3974 | (copy-to-register |
34317da2 | 3975 | viper-use-register (point) end-del-pos nil)) |
2f3eb3b6 MK |
3976 | (t (error viper-InvalidRegister viper-use-register))) |
3977 | (setq viper-use-register nil))) | |
34317da2 MK |
3978 | |
3979 | (delete-char val t) | |
2f3eb3b6 | 3980 | (if viper-ex-style-motion |
34317da2 MK |
3981 | (if (and (eolp) (not (bolp))) (backward-char 1))) |
3982 | )) | |
d5e52f99 | 3983 | |
2f3eb3b6 | 3984 | (defun viper-delete-backward-char (arg) |
3af0304a | 3985 | "Delete previous character. On reaching beginning of line, stop and beep." |
d5e52f99 | 3986 | (interactive "P") |
34317da2 MK |
3987 | (let ((val (viper-p-val arg)) |
3988 | end-del-pos) | |
2f3eb3b6 MK |
3989 | (viper-set-destructive-command |
3990 | (list 'viper-delete-backward-char val nil nil nil nil)) | |
f1097063 | 3991 | (if (and |
34317da2 MK |
3992 | viper-ex-style-editing |
3993 | (> val (viper-chars-in-region (viper-line-pos 'start) (point)))) | |
3994 | (setq val (viper-chars-in-region (viper-line-pos 'start) (point)))) | |
3995 | (save-excursion | |
3996 | (viper-backward-char-carefully val) | |
3997 | (setq end-del-pos (point))) | |
2f3eb3b6 | 3998 | (if viper-use-register |
d5e52f99 | 3999 | (progn |
2f3eb3b6 MK |
4000 | (cond ((viper-valid-register viper-use-register '(Letter)) |
4001 | (viper-append-to-register | |
34317da2 | 4002 | (downcase viper-use-register) end-del-pos (point))) |
2f3eb3b6 | 4003 | ((viper-valid-register viper-use-register) |
d5e52f99 | 4004 | (copy-to-register |
34317da2 | 4005 | viper-use-register end-del-pos (point) nil)) |
2f3eb3b6 MK |
4006 | (t (error viper-InvalidRegister viper-use-register))) |
4007 | (setq viper-use-register nil))) | |
34317da2 MK |
4008 | (if (and (bolp) viper-ex-style-editing) |
4009 | (ding)) | |
4010 | (delete-backward-char val t))) | |
f1097063 | 4011 | |
7d3f9fd8 | 4012 | |
2f3eb3b6 | 4013 | (defun viper-del-backward-char-in-insert () |
d5e52f99 | 4014 | "Delete 1 char backwards while in insert mode." |
f1097063 | 4015 | (interactive) |
34317da2 | 4016 | (if (and viper-ex-style-editing (bolp)) |
d5e52f99 MK |
4017 | (beep 1) |
4018 | (delete-backward-char 1 t))) | |
f1097063 | 4019 | |
7d3f9fd8 | 4020 | |
2f3eb3b6 | 4021 | (defun viper-del-backward-char-in-replace () |
d5e52f99 | 4022 | "Delete one character in replace mode. |
2f3eb3b6 | 4023 | If `viper-delete-backwards-in-replace' is t, then DEL key actually deletes |
3af0304a MK |
4024 | charecters. If it is nil, then the cursor just moves backwards, similarly |
4025 | to Vi. The variable `viper-ex-style-editing', if t, doesn't let the | |
d5e52f99 MK |
4026 | cursor move past the beginning of line." |
4027 | (interactive) | |
2f3eb3b6 | 4028 | (cond (viper-delete-backwards-in-replace |
d5e52f99 MK |
4029 | (cond ((not (bolp)) |
4030 | (delete-backward-char 1 t)) | |
34317da2 | 4031 | (viper-ex-style-editing |
d5e52f99 MK |
4032 | (beep 1)) |
4033 | ((bobp) | |
4034 | (beep 1)) | |
4035 | (t | |
4036 | (delete-backward-char 1 t)))) | |
34317da2 | 4037 | (viper-ex-style-editing |
d5e52f99 MK |
4038 | (if (bolp) |
4039 | (beep 1) | |
4040 | (backward-char 1))) | |
f1097063 | 4041 | (t |
d5e52f99 MK |
4042 | (backward-char 1)))) |
4043 | ||
4044 | ||
4045 | \f | |
4046 | ;; join lines. | |
4047 | ||
2f3eb3b6 | 4048 | (defun viper-join-lines (arg) |
d5e52f99 MK |
4049 | "Join this line to next, if ARG is nil. Otherwise, join ARG lines." |
4050 | (interactive "*P") | |
2f3eb3b6 MK |
4051 | (let ((val (viper-P-val arg))) |
4052 | (viper-set-destructive-command | |
4053 | (list 'viper-join-lines val nil nil nil nil)) | |
4054 | (viper-loop (if (null val) 1 (1- val)) | |
d5e52f99 MK |
4055 | (end-of-line) |
4056 | (if (not (eobp)) | |
4057 | (progn | |
4058 | (forward-line 1) | |
4059 | (delete-region (point) (1- (point))) | |
1e70790f MK |
4060 | (fixup-whitespace) |
4061 | ;; fixup-whitespace sometimes does not leave space | |
4062 | ;; between objects, so we insert it as in Vi | |
4063 | (or (looking-at " ") | |
4064 | (insert " ") | |
4065 | (backward-char 1)) | |
34317da2 | 4066 | ))))) |
d5e52f99 MK |
4067 | |
4068 | \f | |
4069 | ;; Replace state | |
4070 | ||
2f3eb3b6 | 4071 | (defun viper-change (beg end) |
d5e52f99 MK |
4072 | (if (markerp beg) (setq beg (marker-position beg))) |
4073 | (if (markerp end) (setq end (marker-position end))) | |
4074 | ;; beg is sometimes (mark t), which may be nil | |
4075 | (or beg (setq beg end)) | |
f1097063 | 4076 | |
2f3eb3b6 MK |
4077 | (viper-set-complex-command-for-undo) |
4078 | (if viper-use-register | |
d5e52f99 | 4079 | (progn |
2f3eb3b6 MK |
4080 | (copy-to-register viper-use-register beg end nil) |
4081 | (setq viper-use-register nil))) | |
4082 | (viper-set-replace-overlay beg end) | |
d5e52f99 | 4083 | (setq last-command nil) ; separate repl text from prev kills |
f1097063 | 4084 | |
2f3eb3b6 | 4085 | (if (= (viper-replace-start) (point-max)) |
d5e52f99 | 4086 | (error "End of buffer")) |
f1097063 | 4087 | |
2f3eb3b6 MK |
4088 | (setq viper-last-replace-region |
4089 | (buffer-substring (viper-replace-start) | |
4090 | (viper-replace-end))) | |
f1097063 | 4091 | |
d5e52f99 MK |
4092 | ;; protect against error while inserting "@" and other disasters |
4093 | ;; (e.g., read-only buff) | |
4094 | (condition-case conds | |
2f3eb3b6 MK |
4095 | (if (or viper-allow-multiline-replace-regions |
4096 | (viper-same-line (viper-replace-start) | |
41497c90 | 4097 | (viper-replace-end))) |
d5e52f99 MK |
4098 | (progn |
4099 | ;; tabs cause problems in replace, so untabify | |
2f3eb3b6 | 4100 | (goto-char (viper-replace-end)) |
d5e52f99 | 4101 | (insert-before-markers "@") ; put placeholder after the TAB |
2f3eb3b6 | 4102 | (untabify (viper-replace-start) (point)) |
f1097063 | 4103 | ;; del @, don't put on kill ring |
d5e52f99 | 4104 | (delete-backward-char 1) |
f1097063 | 4105 | |
2f3eb3b6 MK |
4106 | (viper-set-replace-overlay-glyphs |
4107 | viper-replace-region-start-delimiter | |
4108 | viper-replace-region-end-delimiter) | |
d5e52f99 | 4109 | ;; this move takes care of the last posn in the overlay, which |
3af0304a | 4110 | ;; has to be shifted because of insert. We can't simply insert |
d5e52f99 MK |
4111 | ;; "$" before-markers because then overlay-start will shift the |
4112 | ;; beginning of the overlay in case we are replacing a single | |
3af0304a | 4113 | ;; character. This fixes the bug with `s' and `cl' commands. |
2f3eb3b6 MK |
4114 | (viper-move-replace-overlay (viper-replace-start) (point)) |
4115 | (goto-char (viper-replace-start)) | |
4116 | (viper-change-state-to-replace t)) | |
4117 | (kill-region (viper-replace-start) | |
4118 | (viper-replace-end)) | |
4119 | (viper-hide-replace-overlay) | |
4120 | (viper-change-state-to-insert)) | |
d5e52f99 MK |
4121 | (error ;; make sure that the overlay doesn't stay. |
4122 | ;; go back to the original point | |
2f3eb3b6 MK |
4123 | (goto-char (viper-replace-start)) |
4124 | (viper-hide-replace-overlay) | |
4125 | (viper-message-conditions conds)))) | |
d5e52f99 MK |
4126 | |
4127 | ||
2f3eb3b6 | 4128 | (defun viper-change-subr (beg end) |
d5e52f99 MK |
4129 | ;; beg is sometimes (mark t), which may be nil |
4130 | (or beg (setq beg end)) | |
2f3eb3b6 | 4131 | (if viper-use-register |
d5e52f99 | 4132 | (progn |
2f3eb3b6 MK |
4133 | (copy-to-register viper-use-register beg end nil) |
4134 | (setq viper-use-register nil))) | |
d5e52f99 | 4135 | (kill-region beg end) |
2f3eb3b6 MK |
4136 | (setq this-command 'viper-change) |
4137 | (viper-yank-last-insertion)) | |
d5e52f99 | 4138 | |
2f3eb3b6 | 4139 | (defun viper-toggle-case (arg) |
d5e52f99 MK |
4140 | "Toggle character case." |
4141 | (interactive "P") | |
2f3eb3b6 MK |
4142 | (let ((val (viper-p-val arg)) (c)) |
4143 | (viper-set-destructive-command | |
4144 | (list 'viper-toggle-case val nil nil nil nil)) | |
d5e52f99 MK |
4145 | (while (> val 0) |
4146 | (setq c (following-char)) | |
4147 | (delete-char 1 nil) | |
4148 | (if (eq c (upcase c)) | |
4149 | (insert-char (downcase c) 1) | |
4150 | (insert-char (upcase c) 1)) | |
4151 | (if (eolp) (backward-char 1)) | |
4152 | (setq val (1- val))))) | |
4153 | ||
4154 | \f | |
4155 | ;; query replace | |
4156 | ||
2f3eb3b6 | 4157 | (defun viper-query-replace () |
f1097063 | 4158 | "Query replace. |
d5e52f99 MK |
4159 | If a null string is suplied as the string to be replaced, |
4160 | the query replace mode will toggle between string replace | |
4161 | and regexp replace." | |
4162 | (interactive) | |
4163 | (let (str) | |
2f3eb3b6 MK |
4164 | (setq str (viper-read-string-with-history |
4165 | (if viper-re-query-replace "Query replace regexp: " | |
d5e52f99 MK |
4166 | "Query replace: ") |
4167 | nil ; no initial | |
2f3eb3b6 MK |
4168 | 'viper-replace1-history |
4169 | (car viper-replace1-history) ; default | |
d5e52f99 MK |
4170 | )) |
4171 | (if (string= str "") | |
4172 | (progn | |
2f3eb3b6 | 4173 | (setq viper-re-query-replace (not viper-re-query-replace)) |
d5e52f99 | 4174 | (message "Query replace mode changed to %s" |
2f3eb3b6 | 4175 | (if viper-re-query-replace "regexp replace" |
d5e52f99 | 4176 | "string replace"))) |
2f3eb3b6 | 4177 | (if viper-re-query-replace |
d5e52f99 MK |
4178 | (query-replace-regexp |
4179 | str | |
2f3eb3b6 | 4180 | (viper-read-string-with-history |
d5e52f99 MK |
4181 | (format "Query replace regexp `%s' with: " str) |
4182 | nil ; no initial | |
2f3eb3b6 MK |
4183 | 'viper-replace1-history |
4184 | (car viper-replace1-history) ; default | |
d5e52f99 MK |
4185 | )) |
4186 | (query-replace | |
4187 | str | |
2f3eb3b6 | 4188 | (viper-read-string-with-history |
d5e52f99 MK |
4189 | (format "Query replace `%s' with: " str) |
4190 | nil ; no initial | |
2f3eb3b6 MK |
4191 | 'viper-replace1-history |
4192 | (car viper-replace1-history) ; default | |
d5e52f99 MK |
4193 | )))))) |
4194 | ||
4195 | \f | |
4196 | ;; marking | |
4197 | ||
2f3eb3b6 | 4198 | (defun viper-mark-beginning-of-buffer () |
d5e52f99 MK |
4199 | "Mark beginning of buffer." |
4200 | (interactive) | |
4201 | (push-mark (point)) | |
4202 | (goto-char (point-min)) | |
4203 | (exchange-point-and-mark) | |
4204 | (message "Mark set at the beginning of buffer")) | |
4205 | ||
2f3eb3b6 | 4206 | (defun viper-mark-end-of-buffer () |
d5e52f99 MK |
4207 | "Mark end of buffer." |
4208 | (interactive) | |
4209 | (push-mark (point)) | |
4210 | (goto-char (point-max)) | |
4211 | (exchange-point-and-mark) | |
4212 | (message "Mark set at the end of buffer")) | |
4213 | ||
2f3eb3b6 | 4214 | (defun viper-mark-point () |
d5e52f99 MK |
4215 | "Set mark at point of buffer." |
4216 | (interactive) | |
4217 | (let ((char (read-char))) | |
4218 | (cond ((and (<= ?a char) (<= char ?z)) | |
4219 | (point-to-register (1+ (- char ?a)))) | |
2f3eb3b6 MK |
4220 | ((= char ?<) (viper-mark-beginning-of-buffer)) |
4221 | ((= char ?>) (viper-mark-end-of-buffer)) | |
4222 | ((= char ?.) (viper-set-mark-if-necessary)) | |
4223 | ((= char ?,) (viper-cycle-through-mark-ring)) | |
3af0304a | 4224 | ((= char ?^) (push-mark viper-saved-mark t t)) |
d5e52f99 MK |
4225 | ((= char ?D) (mark-defun)) |
4226 | (t (error "")) | |
4227 | ))) | |
f1097063 | 4228 | |
d5e52f99 MK |
4229 | ;; Algorithm: If first invocation of this command save mark on ring, goto |
4230 | ;; mark, M0, and pop the most recent elt from the mark ring into mark, | |
4231 | ;; making it into the new mark, M1. | |
4232 | ;; Push this mark back and set mark to the original point position, p1. | |
4233 | ;; So, if you hit '' or `` then you can return to p1. | |
4234 | ;; | |
4235 | ;; If repeated command, pop top elt from the ring into mark and | |
3af0304a | 4236 | ;; jump there. This forgets the position, p1, and puts M1 back into mark. |
d5e52f99 MK |
4237 | ;; Then we save the current pos, which is M0, jump to M1 and pop M2 from |
4238 | ;; the ring into mark. Push M2 back on the ring and set mark to M0. | |
4239 | ;; etc. | |
2f3eb3b6 | 4240 | (defun viper-cycle-through-mark-ring () |
d5e52f99 MK |
4241 | "Visit previous locations on the mark ring. |
4242 | One can use `` and '' to temporarily jump 1 step back." | |
4243 | (let* ((sv-pt (point))) | |
4244 | ;; if repeated `m,' command, pop the previously saved mark. | |
3af0304a | 4245 | ;; Prev saved mark is actually prev saved point. It is used if the |
f1097063 SS |
4246 | ;; user types `` or '' and is discarded |
4247 | ;; from the mark ring by the next `m,' command. | |
d5e52f99 MK |
4248 | ;; In any case, go to the previous or previously saved mark. |
4249 | ;; Then push the current mark (popped off the ring) and set current | |
3af0304a | 4250 | ;; point to be the mark. Current pt as mark is discarded by the next |
d5e52f99 | 4251 | ;; m, command. |
2f3eb3b6 | 4252 | (if (eq last-command 'viper-cycle-through-mark-ring) |
d5e52f99 MK |
4253 | () |
4254 | ;; save current mark if the first iteration | |
2f3eb3b6 | 4255 | (setq mark-ring (delete (viper-mark-marker) mark-ring)) |
d5e52f99 MK |
4256 | (if (mark t) |
4257 | (push-mark (mark t) t)) ) | |
4258 | (pop-mark) | |
4259 | (set-mark-command 1) | |
4260 | ;; don't duplicate mark on the ring | |
2f3eb3b6 | 4261 | (setq mark-ring (delete (viper-mark-marker) mark-ring)) |
d5e52f99 | 4262 | (push-mark sv-pt t) |
2f3eb3b6 MK |
4263 | (viper-deactivate-mark) |
4264 | (setq this-command 'viper-cycle-through-mark-ring) | |
d5e52f99 | 4265 | )) |
f1097063 | 4266 | |
d5e52f99 | 4267 | |
2f3eb3b6 | 4268 | (defun viper-goto-mark (arg) |
d5e52f99 MK |
4269 | "Go to mark." |
4270 | (interactive "P") | |
4271 | (let ((char (read-char)) | |
2f3eb3b6 MK |
4272 | (com (viper-getcom arg))) |
4273 | (viper-goto-mark-subr char com nil))) | |
d5e52f99 | 4274 | |
2f3eb3b6 | 4275 | (defun viper-goto-mark-and-skip-white (arg) |
d5e52f99 MK |
4276 | "Go to mark and skip to first non-white character on line." |
4277 | (interactive "P") | |
4278 | (let ((char (read-char)) | |
2f3eb3b6 MK |
4279 | (com (viper-getCom arg))) |
4280 | (viper-goto-mark-subr char com t))) | |
d5e52f99 | 4281 | |
2f3eb3b6 | 4282 | (defun viper-goto-mark-subr (char com skip-white) |
f1097063 | 4283 | (if (eobp) |
d5e52f99 MK |
4284 | (if (bobp) |
4285 | (error "Empty buffer") | |
4286 | (backward-char 1))) | |
2f3eb3b6 | 4287 | (cond ((viper-valid-register char '(letter)) |
d5e52f99 MK |
4288 | (let* ((buff (current-buffer)) |
4289 | (reg (1+ (- char ?a))) | |
4290 | (text-marker (get-register reg))) | |
55d7ff38 MK |
4291 | ;; If marker points to file that had markers set (and those markers |
4292 | ;; were saved (as e.g., in session.el), then restore those markers | |
4293 | (if (and (consp text-marker) | |
4294 | (eq (car text-marker) 'file-query) | |
4295 | (or (find-buffer-visiting (nth 1 text-marker)) | |
4296 | (y-or-n-p (format "Visit file %s again? " | |
4297 | (nth 1 text-marker))))) | |
4298 | (save-excursion | |
4299 | (find-file (nth 1 text-marker)) | |
4300 | (when (and (<= (nth 2 text-marker) (point-max)) | |
4301 | (<= (point-min) (nth 2 text-marker))) | |
4302 | (setq text-marker (copy-marker (nth 2 text-marker))) | |
4303 | (set-register reg text-marker)))) | |
2f3eb3b6 MK |
4304 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
4305 | (if (not (viper-valid-marker text-marker)) | |
4306 | (error viper-EmptyTextmarker char)) | |
4307 | (if (and (viper-same-line (point) viper-last-jump) | |
4308 | (= (point) viper-last-jump-ignore)) | |
f1097063 | 4309 | (push-mark viper-last-jump t) |
d5e52f99 | 4310 | (push-mark nil t)) ; no msg |
2f3eb3b6 MK |
4311 | (viper-register-to-point reg) |
4312 | (setq viper-last-jump (point-marker)) | |
f1097063 | 4313 | (cond (skip-white |
d5e52f99 | 4314 | (back-to-indentation) |
2f3eb3b6 | 4315 | (setq viper-last-jump-ignore (point)))) |
d5e52f99 MK |
4316 | (if com |
4317 | (if (equal buff (current-buffer)) | |
2f3eb3b6 MK |
4318 | (viper-execute-com (if skip-white |
4319 | 'viper-goto-mark-and-skip-white | |
4320 | 'viper-goto-mark) | |
d5e52f99 MK |
4321 | nil com) |
4322 | (switch-to-buffer buff) | |
2f3eb3b6 MK |
4323 | (goto-char viper-com-point) |
4324 | (viper-change-state-to-vi) | |
d5e52f99 MK |
4325 | (error ""))))) |
4326 | ((and (not skip-white) (= char ?`)) | |
2f3eb3b6 MK |
4327 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
4328 | (if (and (viper-same-line (point) viper-last-jump) | |
4329 | (= (point) viper-last-jump-ignore)) | |
4330 | (goto-char viper-last-jump)) | |
d5e52f99 MK |
4331 | (if (null (mark t)) (error "Mark is not set in this buffer")) |
4332 | (if (= (point) (mark t)) (pop-mark)) | |
4333 | (exchange-point-and-mark) | |
2f3eb3b6 MK |
4334 | (setq viper-last-jump (point-marker) |
4335 | viper-last-jump-ignore 0) | |
4336 | (if com (viper-execute-com 'viper-goto-mark nil com))) | |
d5e52f99 | 4337 | ((and skip-white (= char ?')) |
2f3eb3b6 MK |
4338 | (if com (viper-move-marker-locally 'viper-com-point (point))) |
4339 | (if (and (viper-same-line (point) viper-last-jump) | |
4340 | (= (point) viper-last-jump-ignore)) | |
4341 | (goto-char viper-last-jump)) | |
d5e52f99 MK |
4342 | (if (= (point) (mark t)) (pop-mark)) |
4343 | (exchange-point-and-mark) | |
2f3eb3b6 | 4344 | (setq viper-last-jump (point)) |
d5e52f99 | 4345 | (back-to-indentation) |
2f3eb3b6 MK |
4346 | (setq viper-last-jump-ignore (point)) |
4347 | (if com (viper-execute-com 'viper-goto-mark-and-skip-white nil com))) | |
4348 | (t (error viper-InvalidTextmarker char)))) | |
f1097063 | 4349 | |
2f3eb3b6 | 4350 | (defun viper-insert-tab () |
d5e52f99 MK |
4351 | (interactive) |
4352 | (insert-tab)) | |
4353 | ||
2f3eb3b6 | 4354 | (defun viper-exchange-point-and-mark () |
d5e52f99 MK |
4355 | (interactive) |
4356 | (exchange-point-and-mark) | |
4357 | (back-to-indentation)) | |
4358 | ||
4359 | ;; Input Mode Indentation | |
4360 | ||
4361 | ;; Returns t, if the string before point matches the regexp STR. | |
2f3eb3b6 | 4362 | (defsubst viper-looking-back (str) |
d5e52f99 MK |
4363 | (and (save-excursion (re-search-backward str nil t)) |
4364 | (= (point) (match-end 0)))) | |
4365 | ||
4366 | ||
2f3eb3b6 | 4367 | (defun viper-forward-indent () |
d5e52f99 MK |
4368 | "Indent forward -- `C-t' in Vi." |
4369 | (interactive) | |
2f3eb3b6 MK |
4370 | (setq viper-cted t) |
4371 | (indent-to (+ (current-column) viper-shift-width))) | |
d5e52f99 | 4372 | |
2f3eb3b6 | 4373 | (defun viper-backward-indent () |
d5e52f99 MK |
4374 | "Backtab, C-d in VI" |
4375 | (interactive) | |
2f3eb3b6 | 4376 | (if viper-cted |
d5e52f99 | 4377 | (let ((p (point)) (c (current-column)) bol (indent t)) |
2f3eb3b6 | 4378 | (if (viper-looking-back "[0^]") |
d5e52f99 MK |
4379 | (progn |
4380 | (if (eq ?^ (preceding-char)) | |
2f3eb3b6 | 4381 | (setq viper-preserve-indent t)) |
d5e52f99 MK |
4382 | (delete-backward-char 1) |
4383 | (setq p (point)) | |
4384 | (setq indent nil))) | |
4385 | (save-excursion | |
4386 | (beginning-of-line) | |
4387 | (setq bol (point))) | |
4388 | (if (re-search-backward "[^ \t]" bol 1) (forward-char)) | |
4389 | (delete-region (point) p) | |
4390 | (if indent | |
2f3eb3b6 MK |
4391 | (indent-to (- c viper-shift-width))) |
4392 | (if (or (bolp) (viper-looking-back "[^ \t]")) | |
4393 | (setq viper-cted nil))))) | |
d5e52f99 | 4394 | |
2f3eb3b6 | 4395 | (defun viper-autoindent () |
d5e52f99 MK |
4396 | "Auto Indentation, Vi-style." |
4397 | (interactive) | |
4398 | (let ((col (current-indentation))) | |
4399 | (if abbrev-mode (expand-abbrev)) | |
2f3eb3b6 MK |
4400 | (if viper-preserve-indent |
4401 | (setq viper-preserve-indent nil) | |
4402 | (setq viper-current-indent col)) | |
d5e52f99 MK |
4403 | ;; don't leave whitespace lines around |
4404 | (if (memq last-command | |
2f3eb3b6 MK |
4405 | '(viper-autoindent |
4406 | viper-open-line viper-Open-line | |
4407 | viper-replace-state-exit-cmd)) | |
d5e52f99 MK |
4408 | (indent-to-left-margin)) |
4409 | ;; use \n instead of newline, or else <Return> will move the insert point | |
4410 | ;;(newline 1) | |
4411 | (insert "\n") | |
2f3eb3b6 | 4412 | (if viper-auto-indent |
d5e52f99 | 4413 | (progn |
2f3eb3b6 MK |
4414 | (setq viper-cted t) |
4415 | (if (and viper-electric-mode | |
4416 | (not | |
4417 | (memq major-mode '(fundamental-mode | |
4418 | text-mode | |
4419 | paragraph-indent-text-mode )))) | |
d5e52f99 | 4420 | (indent-according-to-mode) |
2f3eb3b6 | 4421 | (indent-to viper-current-indent)) |
d5e52f99 MK |
4422 | )) |
4423 | )) | |
4424 | ||
f1097063 | 4425 | |
d5e52f99 MK |
4426 | ;; Viewing registers |
4427 | ||
2f3eb3b6 | 4428 | (defun viper-ket-function (arg) |
3af0304a | 4429 | "Function called by \], the ket. View registers and call \]\]." |
d5e52f99 MK |
4430 | (interactive "P") |
4431 | (let ((reg (read-char))) | |
2f3eb3b6 | 4432 | (cond ((viper-valid-register reg '(letter Letter)) |
d5e52f99 | 4433 | (view-register (downcase reg))) |
2f3eb3b6 | 4434 | ((viper-valid-register reg '(digit)) |
d5e52f99 | 4435 | (let ((text (current-kill (- reg ?1) 'do-not-rotate))) |
8e41a31c MK |
4436 | (with-output-to-temp-buffer " *viper-info*" |
4437 | (princ (format "Register %c contains the string:\n" reg)) | |
4438 | (princ text)) | |
4439 | )) | |
d5e52f99 | 4440 | ((= ?\] reg) |
2f3eb3b6 | 4441 | (viper-next-heading arg)) |
d5e52f99 | 4442 | (t (error |
2f3eb3b6 | 4443 | viper-InvalidRegister reg))))) |
d5e52f99 | 4444 | |
2f3eb3b6 | 4445 | (defun viper-brac-function (arg) |
3af0304a | 4446 | "Function called by \[, the brac. View textmarkers and call \[\[" |
d5e52f99 MK |
4447 | (interactive "P") |
4448 | (let ((reg (read-char))) | |
4449 | (cond ((= ?\[ reg) | |
2f3eb3b6 | 4450 | (viper-prev-heading arg)) |
d5e52f99 | 4451 | ((= ?\] reg) |
2f3eb3b6 MK |
4452 | (viper-heading-end arg)) |
4453 | ((viper-valid-register reg '(letter)) | |
d5e52f99 | 4454 | (let* ((val (get-register (1+ (- reg ?a)))) |
8e41a31c | 4455 | (buf (if (not (markerp val)) |
2f3eb3b6 | 4456 | (error viper-EmptyTextmarker reg) |
d5e52f99 MK |
4457 | (marker-buffer val))) |
4458 | (pos (marker-position val)) | |
4459 | line-no text (s pos) (e pos)) | |
8e41a31c | 4460 | (with-output-to-temp-buffer " *viper-info*" |
d5e52f99 MK |
4461 | (if (and buf pos) |
4462 | (progn | |
f1097063 | 4463 | (save-excursion |
d5e52f99 MK |
4464 | (set-buffer buf) |
4465 | (setq line-no (1+ (count-lines (point-min) val))) | |
4466 | (goto-char pos) | |
4467 | (beginning-of-line) | |
4468 | (if (re-search-backward "[^ \t]" nil t) | |
4469 | (progn | |
4470 | (beginning-of-line) | |
4471 | (setq s (point)))) | |
4472 | (goto-char pos) | |
4473 | (forward-line 1) | |
4474 | (if (re-search-forward "[^ \t]" nil t) | |
4475 | (progn | |
4476 | (end-of-line) | |
4477 | (setq e (point)))) | |
4478 | (setq text (buffer-substring s e)) | |
f1097063 SS |
4479 | (setq text (format "%s<%c>%s" |
4480 | (substring text 0 (- pos s)) | |
d5e52f99 | 4481 | reg (substring text (- pos s))))) |
8e41a31c | 4482 | (princ |
d5e52f99 MK |
4483 | (format |
4484 | "Textmarker `%c' is in buffer `%s' at line %d.\n" | |
4485 | reg (buffer-name buf) line-no)) | |
f1097063 | 4486 | (princ (format "Here is some text around %c:\n\n %s" |
d5e52f99 | 4487 | reg text))) |
8e41a31c MK |
4488 | (princ (format viper-EmptyTextmarker reg)))) |
4489 | )) | |
2f3eb3b6 | 4490 | (t (error viper-InvalidTextmarker reg))))) |
f1097063 | 4491 | |
d5e52f99 MK |
4492 | |
4493 | \f | |
4494 | ;; commands in insertion mode | |
4495 | ||
2f3eb3b6 | 4496 | (defun viper-delete-backward-word (arg) |
d5e52f99 MK |
4497 | "Delete previous word." |
4498 | (interactive "p") | |
4499 | (save-excursion | |
4500 | (push-mark nil t) | |
4501 | (backward-word arg) | |
4502 | (delete-region (point) (mark t)) | |
4503 | (pop-mark))) | |
4504 | ||
4505 | ||
1e70790f | 4506 | (defun viper-set-expert-level (&optional dont-change-unless) |
d5e52f99 MK |
4507 | "Sets the expert level for a Viper user. |
4508 | Can be called interactively to change (temporarily or permanently) the | |
4509 | current expert level. | |
4510 | ||
e36a387d | 4511 | The optional argument DONT-CHANGE-UNLESS, if not nil, says that |
d5e52f99 MK |
4512 | the level should not be changed, unless its current value is |
4513 | meaningless (i.e., not one of 1,2,3,4,5). | |
4514 | ||
4515 | User level determines the setting of Viper variables that are most | |
4516 | sensitive for VI-style look-and-feel." | |
f1097063 | 4517 | |
d5e52f99 | 4518 | (interactive) |
f1097063 | 4519 | |
1e70790f | 4520 | (if (not (natnump viper-expert-level)) (setq viper-expert-level 0)) |
f1097063 | 4521 | |
d5e52f99 MK |
4522 | (save-window-excursion |
4523 | (delete-other-windows) | |
1e70790f | 4524 | ;; if 0 < viper-expert-level < viper-max-expert-level |
d5e52f99 | 4525 | ;; & dont-change-unless = t -- use it; else ask |
2f3eb3b6 | 4526 | (viper-ask-level dont-change-unless)) |
f1097063 | 4527 | |
2f3eb3b6 MK |
4528 | (setq viper-always t |
4529 | viper-ex-style-motion t | |
f1097063 | 4530 | viper-ex-style-editing t |
2f3eb3b6 | 4531 | viper-want-ctl-h-help nil) |
d5e52f99 | 4532 | |
1e70790f | 4533 | (cond ((eq viper-expert-level 1) ; novice or beginner |
f1097063 | 4534 | (global-set-key ; in emacs-state |
2f3eb3b6 MK |
4535 | viper-toggle-key |
4536 | (if (viper-window-display-p) 'viper-iconify 'suspend-emacs)) | |
4537 | (setq viper-no-multiple-ESC t | |
4538 | viper-re-search t | |
4539 | viper-vi-style-in-minibuffer t | |
4540 | viper-search-wrap-around-t t | |
4541 | viper-electric-mode nil | |
4542 | viper-want-emacs-keys-in-vi nil | |
4543 | viper-want-emacs-keys-in-insert nil)) | |
f1097063 | 4544 | |
1e70790f | 4545 | ((and (> viper-expert-level 1) (< viper-expert-level 5)) |
d5e52f99 | 4546 | ;; intermediate to guru |
2f3eb3b6 MK |
4547 | (setq viper-no-multiple-ESC (if (viper-window-display-p) |
4548 | t 'twice) | |
4549 | viper-electric-mode t | |
4550 | viper-want-emacs-keys-in-vi t | |
4551 | viper-want-emacs-keys-in-insert (> viper-expert-level 2)) | |
4552 | ||
4553 | (if (eq viper-expert-level 4) ; respect user's ex-style motion | |
4554 | ; and viper-no-multiple-ESC | |
d5e52f99 | 4555 | (progn |
1e70790f | 4556 | (setq-default |
34317da2 MK |
4557 | viper-ex-style-editing |
4558 | (viper-standard-value 'viper-ex-style-editing) | |
2f3eb3b6 MK |
4559 | viper-ex-style-motion |
4560 | (viper-standard-value 'viper-ex-style-motion)) | |
f1097063 | 4561 | (setq viper-ex-style-motion |
2f3eb3b6 | 4562 | (viper-standard-value 'viper-ex-style-motion) |
34317da2 MK |
4563 | viper-ex-style-editing |
4564 | (viper-standard-value 'viper-ex-style-editing) | |
2f3eb3b6 MK |
4565 | viper-re-search |
4566 | (viper-standard-value 'viper-re-search) | |
f1097063 | 4567 | viper-no-multiple-ESC |
2f3eb3b6 | 4568 | (viper-standard-value 'viper-no-multiple-ESC))))) |
f1097063 | 4569 | |
d5e52f99 MK |
4570 | ;; A wizard!! |
4571 | ;; Ideally, if 5 is selected, a buffer should pop up to let the | |
4572 | ;; user toggle the values of variables. | |
34317da2 MK |
4573 | (t (setq-default viper-ex-style-editing |
4574 | (viper-standard-value 'viper-ex-style-editing) | |
2f3eb3b6 MK |
4575 | viper-ex-style-motion |
4576 | (viper-standard-value 'viper-ex-style-motion)) | |
f1097063 | 4577 | (setq viper-want-ctl-h-help |
2f3eb3b6 | 4578 | (viper-standard-value 'viper-want-ctl-h-help) |
e36a387d | 4579 | viper-always |
1e70790f | 4580 | (viper-standard-value 'viper-always) |
f1097063 | 4581 | viper-no-multiple-ESC |
2f3eb3b6 | 4582 | (viper-standard-value 'viper-no-multiple-ESC) |
f1097063 | 4583 | viper-ex-style-motion |
2f3eb3b6 | 4584 | (viper-standard-value 'viper-ex-style-motion) |
34317da2 MK |
4585 | viper-ex-style-editing |
4586 | (viper-standard-value 'viper-ex-style-editing) | |
2f3eb3b6 MK |
4587 | viper-re-search |
4588 | (viper-standard-value 'viper-re-search) | |
f1097063 | 4589 | viper-electric-mode |
2f3eb3b6 | 4590 | (viper-standard-value 'viper-electric-mode) |
f1097063 | 4591 | viper-want-emacs-keys-in-vi |
2f3eb3b6 MK |
4592 | (viper-standard-value 'viper-want-emacs-keys-in-vi) |
4593 | viper-want-emacs-keys-in-insert | |
4594 | (viper-standard-value 'viper-want-emacs-keys-in-insert)))) | |
f1097063 | 4595 | |
2f3eb3b6 | 4596 | (viper-set-mode-vars-for viper-current-state) |
e36a387d | 4597 | (if (or viper-always |
1e70790f | 4598 | (and (> viper-expert-level 0) (> 5 viper-expert-level))) |
2f3eb3b6 | 4599 | (viper-set-hooks))) |
d5e52f99 | 4600 | |
7d3f9fd8 | 4601 | |
d5e52f99 | 4602 | ;; Ask user expert level. |
2f3eb3b6 MK |
4603 | (defun viper-ask-level (dont-change-unless) |
4604 | (let ((ask-buffer " *viper-ask-level*") | |
d5e52f99 MK |
4605 | level-changed repeated) |
4606 | (save-window-excursion | |
4607 | (switch-to-buffer ask-buffer) | |
f1097063 | 4608 | |
1e70790f MK |
4609 | (while (or (> viper-expert-level viper-max-expert-level) |
4610 | (< viper-expert-level 1) | |
d5e52f99 MK |
4611 | (null dont-change-unless)) |
4612 | (erase-buffer) | |
4613 | (if repeated | |
4614 | (progn | |
4615 | (message "Invalid user level") | |
4616 | (beep 1)) | |
4617 | (setq repeated t)) | |
4618 | (setq dont-change-unless t | |
4619 | level-changed t) | |
4620 | (insert " | |
4621 | Please specify your level of familiarity with the venomous VI PERil | |
4622 | (and the VI Plan for Emacs Rescue). | |
1e70790f | 4623 | You can change it at any time by typing `M-x viper-set-expert-level RET' |
f1097063 | 4624 | |
d5e52f99 | 4625 | 1 -- BEGINNER: Almost all Emacs features are suppressed. |
3af0304a | 4626 | Feels almost like straight Vi. File name completion and |
f1097063 | 4627 | command history in the minibuffer are thrown in as a bonus. |
2f3eb3b6 | 4628 | To use Emacs productively, you must reach level 3 or higher. |
d5e52f99 | 4629 | 2 -- MASTER: C-c now has its standard Emacs meaning in Vi command state, |
2f3eb3b6 MK |
4630 | so most Emacs commands can be used when Viper is in Vi state. |
4631 | Good progress---you are well on the way to level 3! | |
d5e52f99 | 4632 | 3 -- GRAND MASTER: Like 3, but most Emacs commands are available also |
2f3eb3b6 MK |
4633 | in Viper's insert state. |
4634 | 4 -- GURU: Like 3, but user settings are respected for viper-no-multiple-ESC, | |
34317da2 | 4635 | viper-ex-style-motion, viper-ex-style-editing, and |
3af0304a | 4636 | viper-re-search variables. Adjust these settings to your taste. |
e36a387d | 4637 | 5 -- WIZARD: Like 4, but user settings are also respected for viper-always, |
2f3eb3b6 | 4638 | viper-electric-mode, viper-want-ctl-h-help, viper-want-emacs-keys-in-vi, |
3af0304a | 4639 | and viper-want-emacs-keys-in-insert. Adjust these to your taste. |
f1097063 | 4640 | |
d5e52f99 | 4641 | Please, specify your level now: ") |
f1097063 | 4642 | |
2f3eb3b6 | 4643 | (setq viper-expert-level (- (viper-read-char-exclusive) ?0)) |
d5e52f99 | 4644 | ) ; end while |
f1097063 | 4645 | |
d5e52f99 MK |
4646 | ;; tell the user if level was changed |
4647 | (and level-changed | |
4648 | (progn | |
4649 | (insert | |
4650 | (format "\n\n\n\n\n\t\tYou have selected user level %d" | |
1e70790f | 4651 | viper-expert-level)) |
d5e52f99 | 4652 | (if (y-or-n-p "Do you wish to make this change permanent? ") |
1e70790f | 4653 | ;; save the setting for viper-expert-level |
2f3eb3b6 | 4654 | (viper-save-setting |
1e70790f MK |
4655 | 'viper-expert-level |
4656 | (format "Saving user level %d ..." viper-expert-level) | |
2f3eb3b6 | 4657 | viper-custom-file-name)) |
d5e52f99 MK |
4658 | )) |
4659 | (bury-buffer) ; remove ask-buffer from screen | |
4660 | (message "") | |
4661 | ))) | |
4662 | ||
4663 | ||
2f3eb3b6 | 4664 | (defun viper-nil () |
d5e52f99 MK |
4665 | (interactive) |
4666 | (beep 1)) | |
f1097063 SS |
4667 | |
4668 | ||
d5e52f99 | 4669 | ;; if ENFORCE-BUFFER is not nil, error if CHAR is a marker in another buffer |
2f3eb3b6 | 4670 | (defun viper-register-to-point (char &optional enforce-buffer) |
d5e52f99 MK |
4671 | "Like jump-to-register, but switches to another buffer in another window." |
4672 | (interactive "cViper register to point: ") | |
4673 | (let ((val (get-register char))) | |
4674 | (cond | |
4675 | ((and (fboundp 'frame-configuration-p) | |
4676 | (frame-configuration-p val)) | |
4677 | (set-frame-configuration val)) | |
4678 | ((window-configuration-p val) | |
4679 | (set-window-configuration val)) | |
2f3eb3b6 | 4680 | ((viper-valid-marker val) |
d5e52f99 MK |
4681 | (if (and enforce-buffer |
4682 | (not (equal (current-buffer) (marker-buffer val)))) | |
2f3eb3b6 | 4683 | (error (concat viper-EmptyTextmarker " in this buffer") |
d5e52f99 MK |
4684 | (1- (+ char ?a)))) |
4685 | (pop-to-buffer (marker-buffer val)) | |
4686 | (goto-char val)) | |
4687 | ((and (consp val) (eq (car val) 'file)) | |
4688 | (find-file (cdr val))) | |
4689 | (t | |
2f3eb3b6 | 4690 | (error viper-EmptyTextmarker (1- (+ char ?a))))))) |
d5e52f99 MK |
4691 | |
4692 | ||
2f3eb3b6 | 4693 | (defun viper-save-kill-buffer () |
d5e52f99 MK |
4694 | "Save then kill current buffer. " |
4695 | (interactive) | |
1e70790f | 4696 | (if (< viper-expert-level 2) |
d5e52f99 MK |
4697 | (save-buffers-kill-emacs) |
4698 | (save-buffer) | |
4699 | (kill-buffer (current-buffer)))) | |
4700 | ||
4701 | ||
4702 | \f | |
4703 | ;;; Bug Report | |
4704 | ||
2f3eb3b6 | 4705 | (defun viper-submit-report () |
d5e52f99 MK |
4706 | "Submit bug report on Viper." |
4707 | (interactive) | |
4708 | (let ((reporter-prompt-for-summary-p t) | |
2f3eb3b6 | 4709 | (viper-device-type (viper-device-type)) |
d5e52f99 MK |
4710 | color-display-p frame-parameters |
4711 | minibuffer-emacs-face minibuffer-vi-face minibuffer-insert-face | |
4712 | varlist salutation window-config) | |
f1097063 | 4713 | |
d5e52f99 MK |
4714 | ;; If mode info is needed, add variable to `let' and then set it below, |
4715 | ;; like we did with color-display-p. | |
f1097063 | 4716 | (setq color-display-p (if (viper-window-display-p) |
2f3eb3b6 | 4717 | (viper-color-display-p) |
d5e52f99 | 4718 | 'non-x) |
2f3eb3b6 MK |
4719 | minibuffer-vi-face (if (viper-has-face-support-p) |
4720 | (viper-get-face viper-minibuffer-vi-face) | |
d5e52f99 | 4721 | 'non-x) |
2f3eb3b6 | 4722 | minibuffer-insert-face (if (viper-has-face-support-p) |
f1097063 | 4723 | (viper-get-face |
2f3eb3b6 | 4724 | viper-minibuffer-insert-face) |
d5e52f99 | 4725 | 'non-x) |
2f3eb3b6 MK |
4726 | minibuffer-emacs-face (if (viper-has-face-support-p) |
4727 | (viper-get-face | |
4728 | viper-minibuffer-emacs-face) | |
d5e52f99 MK |
4729 | 'non-x) |
4730 | frame-parameters (if (fboundp 'frame-parameters) | |
4731 | (frame-parameters (selected-frame)))) | |
f1097063 | 4732 | |
2f3eb3b6 MK |
4733 | (setq varlist (list 'viper-vi-minibuffer-minor-mode |
4734 | 'viper-insert-minibuffer-minor-mode | |
4735 | 'viper-vi-intercept-minor-mode | |
f1097063 SS |
4736 | 'viper-vi-local-user-minor-mode |
4737 | 'viper-vi-kbd-minor-mode | |
2f3eb3b6 MK |
4738 | 'viper-vi-global-user-minor-mode |
4739 | 'viper-vi-state-modifier-minor-mode | |
f1097063 SS |
4740 | 'viper-vi-diehard-minor-mode |
4741 | 'viper-vi-basic-minor-mode | |
4742 | 'viper-replace-minor-mode | |
2f3eb3b6 | 4743 | 'viper-insert-intercept-minor-mode |
f1097063 SS |
4744 | 'viper-insert-local-user-minor-mode |
4745 | 'viper-insert-kbd-minor-mode | |
2f3eb3b6 MK |
4746 | 'viper-insert-global-user-minor-mode |
4747 | 'viper-insert-state-modifier-minor-mode | |
f1097063 SS |
4748 | 'viper-insert-diehard-minor-mode |
4749 | 'viper-insert-basic-minor-mode | |
4750 | 'viper-emacs-intercept-minor-mode | |
4751 | 'viper-emacs-local-user-minor-mode | |
4752 | 'viper-emacs-kbd-minor-mode | |
2f3eb3b6 MK |
4753 | 'viper-emacs-global-user-minor-mode |
4754 | 'viper-emacs-state-modifier-minor-mode | |
4755 | 'viper-automatic-iso-accents | |
34317da2 | 4756 | 'viper-special-input-method |
2f3eb3b6 MK |
4757 | 'viper-want-emacs-keys-in-insert |
4758 | 'viper-want-emacs-keys-in-vi | |
4759 | 'viper-keep-point-on-undo | |
4760 | 'viper-no-multiple-ESC | |
4761 | 'viper-electric-mode | |
4762 | 'viper-ESC-key | |
4763 | 'viper-want-ctl-h-help | |
34317da2 | 4764 | 'viper-ex-style-editing |
2f3eb3b6 MK |
4765 | 'viper-delete-backwards-in-replace |
4766 | 'viper-vi-style-in-minibuffer | |
4767 | 'viper-vi-state-hook | |
4768 | 'viper-insert-state-hook | |
4769 | 'viper-replace-state-hook | |
4770 | 'viper-emacs-state-hook | |
d5e52f99 MK |
4771 | 'ex-cycle-other-window |
4772 | 'ex-cycle-through-non-files | |
1e70790f | 4773 | 'viper-expert-level |
d5e52f99 | 4774 | 'major-mode |
2f3eb3b6 | 4775 | 'viper-device-type |
d5e52f99 MK |
4776 | 'color-display-p |
4777 | 'frame-parameters | |
4778 | 'minibuffer-vi-face | |
4779 | 'minibuffer-insert-face | |
4780 | 'minibuffer-emacs-face | |
4781 | )) | |
4782 | (setq salutation " | |
4783 | Congratulations! You may have unearthed a bug in Viper! | |
4784 | Please mail a concise, accurate summary of the problem to the address above. | |
4785 | ||
4786 | -------------------------------------------------------------------") | |
4787 | (setq window-config (current-window-configuration)) | |
2f3eb3b6 MK |
4788 | (with-output-to-temp-buffer " *viper-info*" |
4789 | (switch-to-buffer " *viper-info*") | |
d5e52f99 MK |
4790 | (delete-other-windows) |
4791 | (princ " | |
4792 | PLEASE FOLLOW THESE PROCEDURES | |
4793 | ------------------------------ | |
4794 | ||
4795 | Before reporting a bug, please verify that it is related to Viper, and is | |
4796 | not cause by other packages you are using. | |
4797 | ||
4798 | Don't report compilation warnings, unless you are certain that there is a | |
3af0304a | 4799 | problem. These warnings are normal and unavoidable. |
d5e52f99 MK |
4800 | |
4801 | Please note that users should not modify variables and keymaps other than | |
3af0304a | 4802 | those advertised in the manual. Such `customization' is likely to crash |
d5e52f99 MK |
4803 | Viper, as it would any other improperly customized Emacs package. |
4804 | ||
4805 | If you are reporting an error message received while executing one of the | |
4806 | Viper commands, type: | |
4807 | ||
4808 | M-x set-variable <Return> debug-on-error <Return> t <Return> | |
f1097063 | 4809 | |
3af0304a MK |
4810 | Then reproduce the error. The above command will cause Emacs to produce a |
4811 | back trace of the execution that leads to the error. Please include this | |
d5e52f99 MK |
4812 | trace in your bug report. |
4813 | ||
4814 | If you believe that one of Viper's commands goes into an infinite loop | |
4815 | \(e.g., Emacs freezes\), type: | |
4816 | ||
4817 | M-x set-variable <Return> debug-on-quit <Return> t <Return> | |
f1097063 | 4818 | |
3af0304a MK |
4819 | Then reproduce the problem. Wait for a few seconds, then type C-g to abort |
4820 | the current command. Include the resulting back trace in the bug report. | |
d5e52f99 MK |
4821 | |
4822 | Mail anyway (y or n)? ") | |
4823 | (if (y-or-n-p "Mail anyway? ") | |
4824 | () | |
4825 | (set-window-configuration window-config) | |
4826 | (error "Bug report aborted"))) | |
4827 | ||
4828 | (require 'reporter) | |
4829 | (set-window-configuration window-config) | |
f1097063 | 4830 | |
d5e52f99 | 4831 | (reporter-submit-bug-report "kifer@cs.sunysb.edu" |
2f3eb3b6 | 4832 | (viper-version) |
d5e52f99 MK |
4833 | varlist |
4834 | nil 'delete-other-windows | |
4835 | salutation) | |
4836 | )) | |
d5e52f99 | 4837 | |
f1097063 SS |
4838 | |
4839 | ||
d5e52f99 | 4840 | ;; Smoothes out the difference between Emacs' unread-command-events |
3af0304a | 4841 | ;; and XEmacs unread-command-event. Arg is a character, an event, a list of |
d5e52f99 MK |
4842 | ;; events or a sequence of keys. |
4843 | ;; | |
4844 | ;; Due to the way unread-command-events in Emacs (not XEmacs), a non-event | |
4845 | ;; symbol in unread-command-events list may cause Emacs to turn this symbol | |
3af0304a | 4846 | ;; into an event. Below, we delete nil from event lists, since nil is the most |
d5e52f99 | 4847 | ;; common symbol that might appear in this wrong context. |
2f3eb3b6 MK |
4848 | (defun viper-set-unread-command-events (arg) |
4849 | (if viper-emacs-p | |
d5e52f99 MK |
4850 | (setq |
4851 | unread-command-events | |
4852 | (let ((new-events | |
4853 | (cond ((eventp arg) (list arg)) | |
4854 | ((listp arg) arg) | |
4855 | ((sequencep arg) | |
4856 | (listify-key-sequence arg)) | |
4857 | (t (error | |
2f3eb3b6 | 4858 | "viper-set-unread-command-events: Invalid argument, %S" |
d5e52f99 MK |
4859 | arg))))) |
4860 | (if (not (eventp nil)) | |
4861 | (setq new-events (delq nil new-events))) | |
4862 | (append new-events unread-command-events))) | |
4863 | ;; XEmacs | |
4864 | (setq | |
4865 | unread-command-events | |
4866 | (append | |
2f3eb3b6 | 4867 | (cond ((viper-characterp arg) (list (character-to-event arg))) |
d5e52f99 MK |
4868 | ((eventp arg) (list arg)) |
4869 | ((stringp arg) (mapcar 'character-to-event arg)) | |
4870 | ((vectorp arg) (append arg nil)) ; turn into list | |
2f3eb3b6 | 4871 | ((listp arg) (viper-eventify-list-xemacs arg)) |
d5e52f99 | 4872 | (t (error |
2f3eb3b6 | 4873 | "viper-set-unread-command-events: Invalid argument, %S" arg))) |
d5e52f99 MK |
4874 | unread-command-events)))) |
4875 | ||
4876 | ;; list is assumed to be a list of events of characters | |
2f3eb3b6 | 4877 | (defun viper-eventify-list-xemacs (lis) |
d5e52f99 | 4878 | (mapcar |
3af0304a MK |
4879 | (lambda (elt) |
4880 | (cond ((viper-characterp elt) (character-to-event elt)) | |
4881 | ((eventp elt) elt) | |
4882 | (t (error | |
4883 | "viper-eventify-list-xemacs: can't convert to event, %S" | |
4884 | elt)))) | |
d5e52f99 | 4885 | lis)) |
7d3f9fd8 MK |
4886 | |
4887 | ||
d5e52f99 MK |
4888 | |
4889 | ;;; viper-cmd.el ends here |