(vip-shift-width): Doc fix.
[bpt/emacs.git] / lisp / emulation / ws-mode.el
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1;;; ws-mode.el --- WordStar emulation mode for GNU Emacs
2
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3;; Copyright (C) 1991 Free Software Foundation, Inc.
4
6cf0d154 5;; Author: Juergen Nickelsen <nickel@cs.tu-berlin.de>
6cf0d154 6;; Version: 0.7
6251ee24 7;; Keywords: emulations
fb1c6be2 8
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9;; This file is part of GNU Emacs.
10
11;; GNU Emacs is free software; you can redistribute it and/or modify
12;; it under the terms of the GNU General Public License as published by
13;; the Free Software Foundation; either version 2, or (at your option)
14;; any later version.
15
16;; GNU Emacs is distributed in the hope that it will be useful,
17;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19;; GNU General Public License for more details.
20
21;; You should have received a copy of the GNU General Public License
22;; along with GNU Emacs; see the file COPYING. If not, write to
23;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
fb1c6be2 24
6cf0d154 25;;; Commentary:
fb1c6be2 26
8531c2ac 27;; This emulates WordStar, with a major mode.
fb1c6be2 28
6cf0d154 29;;; Code:
fb1c6be2 30
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31(defvar wordstar-mode-map nil "")
32(defvar wordstar-C-j-map nil "")
33(defvar wordstar-C-k-map nil "")
34(defvar wordstar-C-o-map nil "")
35(defvar wordstar-C-q-map nil "")
36
37(if wordstar-mode-map
38 ()
39 (setq wordstar-mode-map (make-keymap))
40 ;; (setq wordstar-C-j-map (make-keymap)) ; later, perhaps
41 (setq wordstar-C-k-map (make-keymap))
42 (setq wordstar-C-o-map (make-keymap))
43 (setq wordstar-C-q-map (make-keymap))
44
45 (define-key wordstar-mode-map "\C-a" 'backward-word)
46 (define-key wordstar-mode-map "\C-b" 'fill-paragraph)
47 (define-key wordstar-mode-map "\C-c" 'scroll-up)
48 (define-key wordstar-mode-map "\C-d" 'forward-char)
49 (define-key wordstar-mode-map "\C-e" 'previous-line)
50 (define-key wordstar-mode-map "\C-f" 'forward-word)
51 (define-key wordstar-mode-map "\C-g" 'delete-char)
52 (define-key wordstar-mode-map "\C-h" 'backward-char)
53 (define-key wordstar-mode-map "\C-i" 'indent-for-tab-command)
54 (define-key wordstar-mode-map "\C-j" 'help-for-help)
55 (define-key wordstar-mode-map "\C-k" wordstar-C-k-map)
56 (define-key wordstar-mode-map "\C-l" 'ws-repeat-search)
57 (define-key wordstar-mode-map "\C-n" 'open-line)
58 (define-key wordstar-mode-map "\C-o" wordstar-C-o-map)
59 (define-key wordstar-mode-map "\C-p" 'quoted-insert)
60 (define-key wordstar-mode-map "\C-q" wordstar-C-q-map)
61 (define-key wordstar-mode-map "\C-r" 'scroll-down)
62 (define-key wordstar-mode-map "\C-s" 'backward-char)
63 (define-key wordstar-mode-map "\C-t" 'kill-word)
64 (define-key wordstar-mode-map "\C-u" 'keyboard-quit)
65 (define-key wordstar-mode-map "\C-v" 'overwrite-mode)
66 (define-key wordstar-mode-map "\C-w" 'scroll-down-line)
67 (define-key wordstar-mode-map "\C-x" 'next-line)
68 (define-key wordstar-mode-map "\C-y" 'kill-complete-line)
69 (define-key wordstar-mode-map "\C-z" 'scroll-up-line)
70
71 ;; wordstar-C-k-map
72
73 (define-key wordstar-C-k-map " " ())
74 (define-key wordstar-C-k-map "0" 'ws-set-marker-0)
75 (define-key wordstar-C-k-map "1" 'ws-set-marker-1)
76 (define-key wordstar-C-k-map "2" 'ws-set-marker-2)
77 (define-key wordstar-C-k-map "3" 'ws-set-marker-3)
78 (define-key wordstar-C-k-map "4" 'ws-set-marker-4)
79 (define-key wordstar-C-k-map "5" 'ws-set-marker-5)
80 (define-key wordstar-C-k-map "6" 'ws-set-marker-6)
81 (define-key wordstar-C-k-map "7" 'ws-set-marker-7)
82 (define-key wordstar-C-k-map "8" 'ws-set-marker-8)
83 (define-key wordstar-C-k-map "9" 'ws-set-marker-9)
84 (define-key wordstar-C-k-map "b" 'ws-begin-block)
85 (define-key wordstar-C-k-map "\C-b" 'ws-begin-block)
86 (define-key wordstar-C-k-map "c" 'ws-copy-block)
87 (define-key wordstar-C-k-map "\C-c" 'ws-copy-block)
88 (define-key wordstar-C-k-map "d" 'save-buffers-kill-emacs)
89 (define-key wordstar-C-k-map "\C-d" 'save-buffers-kill-emacs)
90 (define-key wordstar-C-k-map "f" 'find-file)
91 (define-key wordstar-C-k-map "\C-f" 'find-file)
92 (define-key wordstar-C-k-map "h" 'ws-show-markers)
93 (define-key wordstar-C-k-map "\C-h" 'ws-show-markers)
94 (define-key wordstar-C-k-map "i" 'ws-indent-block)
95 (define-key wordstar-C-k-map "\C-i" 'ws-indent-block)
96 (define-key wordstar-C-k-map "k" 'ws-end-block)
97 (define-key wordstar-C-k-map "\C-k" 'ws-end-block)
98 (define-key wordstar-C-k-map "p" 'ws-print-block)
99 (define-key wordstar-C-k-map "\C-p" 'ws-print-block)
100 (define-key wordstar-C-k-map "q" 'kill-emacs)
101 (define-key wordstar-C-k-map "\C-q" 'kill-emacs)
102 (define-key wordstar-C-k-map "r" 'insert-file)
103 (define-key wordstar-C-k-map "\C-r" 'insert-file)
104 (define-key wordstar-C-k-map "s" 'save-some-buffers)
105 (define-key wordstar-C-k-map "\C-s" 'save-some-buffers)
106 (define-key wordstar-C-k-map "t" 'ws-mark-word)
107 (define-key wordstar-C-k-map "\C-t" 'ws-mark-word)
108 (define-key wordstar-C-k-map "u" 'ws-exdent-block)
109 (define-key wordstar-C-k-map "\C-u" 'keyboard-quit)
110 (define-key wordstar-C-k-map "v" 'ws-move-block)
111 (define-key wordstar-C-k-map "\C-v" 'ws-move-block)
112 (define-key wordstar-C-k-map "w" 'ws-write-block)
113 (define-key wordstar-C-k-map "\C-w" 'ws-write-block)
114 (define-key wordstar-C-k-map "x" 'save-buffers-kill-emacs)
115 (define-key wordstar-C-k-map "\C-x" 'save-buffers-kill-emacs)
116 (define-key wordstar-C-k-map "y" 'ws-delete-block)
117 (define-key wordstar-C-k-map "\C-y" 'ws-delete-block)
118
119 ;; wordstar-C-j-map not yet implemented
120
121 ;; wordstar-C-o-map
122
123 (define-key wordstar-C-o-map " " ())
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124 (define-key wordstar-C-o-map "c" 'wordstar-center-line)
125 (define-key wordstar-C-o-map "\C-c" 'wordstar-center-line)
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126 (define-key wordstar-C-o-map "b" 'switch-to-buffer)
127 (define-key wordstar-C-o-map "\C-b" 'switch-to-buffer)
128 (define-key wordstar-C-o-map "j" 'justify-current-line)
129 (define-key wordstar-C-o-map "\C-j" 'justify-current-line)
130 (define-key wordstar-C-o-map "k" 'kill-buffer)
131 (define-key wordstar-C-o-map "\C-k" 'kill-buffer)
132 (define-key wordstar-C-o-map "l" 'list-buffers)
133 (define-key wordstar-C-o-map "\C-l" 'list-buffers)
134 (define-key wordstar-C-o-map "m" 'auto-fill-mode)
135 (define-key wordstar-C-o-map "\C-m" 'auto-fill-mode)
136 (define-key wordstar-C-o-map "r" 'set-fill-column)
137 (define-key wordstar-C-o-map "\C-r" 'set-fill-column)
138 (define-key wordstar-C-o-map "\C-u" 'keyboard-quit)
139 (define-key wordstar-C-o-map "wd" 'delete-other-windows)
140 (define-key wordstar-C-o-map "wh" 'split-window-horizontally)
141 (define-key wordstar-C-o-map "wo" 'other-window)
142 (define-key wordstar-C-o-map "wv" 'split-window-vertically)
143
144 ;; wordstar-C-q-map
145 (define-key wordstar-C-q-map " " ())
146 (define-key wordstar-C-q-map "0" 'ws-find-marker-0)
147 (define-key wordstar-C-q-map "1" 'ws-find-marker-1)
148 (define-key wordstar-C-q-map "2" 'ws-find-marker-2)
149 (define-key wordstar-C-q-map "3" 'ws-find-marker-3)
150 (define-key wordstar-C-q-map "4" 'ws-find-marker-4)
151 (define-key wordstar-C-q-map "5" 'ws-find-marker-5)
152 (define-key wordstar-C-q-map "6" 'ws-find-marker-6)
153 (define-key wordstar-C-q-map "7" 'ws-find-marker-7)
154 (define-key wordstar-C-q-map "8" 'ws-find-marker-8)
155 (define-key wordstar-C-q-map "9" 'ws-find-marker-9)
156 (define-key wordstar-C-q-map "a" 'ws-query-replace)
157 (define-key wordstar-C-q-map "\C-a" 'ws-query-replace)
158 (define-key wordstar-C-q-map "b" 'ws-goto-block-begin)
159 (define-key wordstar-C-q-map "\C-b" 'ws-goto-block-begin)
160 (define-key wordstar-C-q-map "c" 'end-of-buffer)
161 (define-key wordstar-C-q-map "\C-c" 'end-of-buffer)
162 (define-key wordstar-C-q-map "d" 'end-of-line)
163 (define-key wordstar-C-q-map "\C-d" 'end-of-line)
164 (define-key wordstar-C-q-map "f" 'ws-search)
165 (define-key wordstar-C-q-map "\C-f" 'ws-search)
166 (define-key wordstar-C-q-map "k" 'ws-goto-block-end)
167 (define-key wordstar-C-q-map "\C-k" 'ws-goto-block-end)
168 (define-key wordstar-C-q-map "l" 'ws-undo)
169 (define-key wordstar-C-q-map "\C-l" 'ws-undo)
170 (define-key wordstar-C-q-map "p" 'ws-last-cursorp)
171 (define-key wordstar-C-q-map "\C-p" 'ws-last-cursorp)
172 (define-key wordstar-C-q-map "r" 'beginning-of-buffer)
173 (define-key wordstar-C-q-map "\C-r" 'beginning-of-buffer)
174 (define-key wordstar-C-q-map "s" 'beginning-of-line)
175 (define-key wordstar-C-q-map "\C-s" 'beginning-of-line)
176 (define-key wordstar-C-q-map "\C-u" 'keyboard-quit)
177 (define-key wordstar-C-q-map "w" 'ws-last-error)
178 (define-key wordstar-C-q-map "\C-w" 'ws-last-error)
179 (define-key wordstar-C-q-map "y" 'ws-kill-eol)
180 (define-key wordstar-C-q-map "\C-y" 'ws-kill-eol)
181 (define-key wordstar-C-q-map "\177" 'ws-kill-bol))
182
dd64d807 183;;;###autoload
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184(defun wordstar-mode ()
185 "Major mode with WordStar-like key bindings.
186
187BUGS:
188 - Help menus with WordStar commands (C-j just calls help-for-help)
189 are not implemented
190 - Options for search and replace
191 - Show markers (C-k h) is somewhat strange
192 - Search and replace (C-q a) is only available in forward direction
193
194No key bindings beginning with ESC are installed, they will work
195Emacs-like.
196
197The key bindings are:
198
199 C-a backward-word
200 C-b fill-paragraph
201 C-c scroll-up-line
202 C-d forward-char
203 C-e previous-line
204 C-f forward-word
205 C-g delete-char
206 C-h backward-char
207 C-i indent-for-tab-command
208 C-j help-for-help
209 C-k ordstar-C-k-map
210 C-l ws-repeat-search
211 C-n open-line
212 C-p quoted-insert
213 C-r scroll-down-line
214 C-s backward-char
215 C-t kill-word
216 C-u keyboard-quit
217 C-v overwrite-mode
218 C-w scroll-down
219 C-x next-line
220 C-y kill-complete-line
221 C-z scroll-up
222
223 C-k 0 ws-set-marker-0
224 C-k 1 ws-set-marker-1
225 C-k 2 ws-set-marker-2
226 C-k 3 ws-set-marker-3
227 C-k 4 ws-set-marker-4
228 C-k 5 ws-set-marker-5
229 C-k 6 ws-set-marker-6
230 C-k 7 ws-set-marker-7
231 C-k 8 ws-set-marker-8
232 C-k 9 ws-set-marker-9
233 C-k b ws-begin-block
234 C-k c ws-copy-block
235 C-k d save-buffers-kill-emacs
236 C-k f find-file
237 C-k h ws-show-markers
238 C-k i ws-indent-block
239 C-k k ws-end-block
240 C-k p ws-print-block
241 C-k q kill-emacs
242 C-k r insert-file
243 C-k s save-some-buffers
244 C-k t ws-mark-word
245 C-k u ws-exdent-block
246 C-k C-u keyboard-quit
247 C-k v ws-move-block
248 C-k w ws-write-block
249 C-k x kill-emacs
250 C-k y ws-delete-block
251
2486eb97 252 C-o c wordstar-center-line
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253 C-o b switch-to-buffer
254 C-o j justify-current-line
255 C-o k kill-buffer
256 C-o l list-buffers
257 C-o m auto-fill-mode
258 C-o r set-fill-column
259 C-o C-u keyboard-quit
260 C-o wd delete-other-windows
261 C-o wh split-window-horizontally
262 C-o wo other-window
263 C-o wv split-window-vertically
264
265 C-q 0 ws-find-marker-0
266 C-q 1 ws-find-marker-1
267 C-q 2 ws-find-marker-2
268 C-q 3 ws-find-marker-3
269 C-q 4 ws-find-marker-4
270 C-q 5 ws-find-marker-5
271 C-q 6 ws-find-marker-6
272 C-q 7 ws-find-marker-7
273 C-q 8 ws-find-marker-8
274 C-q 9 ws-find-marker-9
275 C-q a ws-query-replace
276 C-q b ws-to-block-begin
277 C-q c end-of-buffer
278 C-q d end-of-line
279 C-q f ws-search
280 C-q k ws-to-block-end
281 C-q l ws-undo
282 C-q p ws-last-cursorp
283 C-q r beginning-of-buffer
284 C-q C-u keyboard-quit
285 C-q w ws-last-error
286 C-q y ws-kill-eol
287 C-q DEL ws-kill-bol
288"
289 (interactive)
290 (kill-all-local-variables)
291 (use-local-map wordstar-mode-map)
292 (setq mode-name "WordStar")
293 (setq major-mode 'wordstar-mode))
294
fb1c6be2 295
2486eb97 296(defun wordstar-center-paragraph ()
fb1c6be2 297 "Center each line in the paragraph at or after point.
2486eb97 298See `wordstar-center-line' for more info."
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299 (interactive)
300 (save-excursion
301 (forward-paragraph)
302 (or (bolp) (newline 1))
303 (let ((end (point)))
304 (backward-paragraph)
2486eb97 305 (wordstar-center-region (point) end))))
fb1c6be2 306
2486eb97 307(defun wordstar-center-region (from to)
fb1c6be2 308 "Center each line starting in the region.
2486eb97 309See `wordstar-center-line' for more info."
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310 (interactive "r")
311 (if (> from to)
312 (let ((tem to))
313 (setq to from from tem)))
314 (save-excursion
315 (save-restriction
316 (narrow-to-region from to)
317 (goto-char from)
318 (while (not (eobp))
2486eb97 319 (wordstar-center-line)
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320 (forward-line 1)))))
321
2486eb97 322(defun wordstar-center-line ()
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323 "Center the line point is on, within the width specified by `fill-column'.
324This means adjusting the indentation to match
325the distance between the end of the text and `fill-column'."
326 (interactive)
327 (save-excursion
328 (let (line-length)
329 (beginning-of-line)
330 (delete-horizontal-space)
331 (end-of-line)
332 (delete-horizontal-space)
333 (setq line-length (current-column))
334 (beginning-of-line)
335 (indent-to
336 (+ left-margin
337 (/ (- fill-column left-margin line-length) 2))))))
338
339(defun scroll-down-line ()
340 "Scroll one line down."
341 (interactive)
342 (scroll-down 1))
343
344(defun scroll-up-line ()
345 "Scroll one line up."
346 (interactive)
347 (scroll-up 1))
348
349;;;;;;;;;;;
350;; wordstar special variables:
351
352(defvar ws-marker-0 nil "Position marker 0 in WordStar mode.")
353(defvar ws-marker-1 nil "Position marker 1 in WordStar mode.")
354(defvar ws-marker-2 nil "Position marker 2 in WordStar mode.")
355(defvar ws-marker-3 nil "Position marker 3 in WordStar mode.")
356(defvar ws-marker-4 nil "Position marker 4 in WordStar mode.")
357(defvar ws-marker-5 nil "Position marker 5 in WordStar mode.")
358(defvar ws-marker-6 nil "Position marker 6 in WordStar mode.")
359(defvar ws-marker-7 nil "Position marker 7 in WordStar mode.")
360(defvar ws-marker-8 nil "Position marker 8 in WordStar mode.")
361(defvar ws-marker-9 nil "Position marker 9 in WordStar mode.")
362
363(defvar ws-block-begin-marker nil "Beginning of \"Block\" in WordStar mode.")
364(defvar ws-block-end-marker nil "End of \"Block\" in WordStar mode.")
365
366(defvar ws-search-string nil "String of last search in WordStar mode.")
367(defvar ws-search-direction t
368 "Direction of last search in WordStar mode. T if forward, NIL if backward.")
369
370(defvar ws-last-cursorposition nil
371 "Position before last search etc. in WordStar mode.")
372
373(defvar ws-last-errormessage nil
374 "Last error message issued by a WordStar mode function.")
375
376;;;;;;;;;;;
377;; wordstar special functions:
378
379(defun ws-error (string)
380 "Report error of a WordStar special function. Error message is saved
381in ws-last-errormessage for recovery with C-q w."
382 (setq ws-last-errormessage string)
383 (error string))
384
385(defun ws-set-marker-0 ()
386 "In WordStar mode: Set marker 0 to current cursor position."
387 (interactive)
388 (setq ws-marker-0 (point-marker))
389 (message "Marker 0 set"))
390
391(defun ws-set-marker-1 ()
392 "In WordStar mode: Set marker 1 to current cursor position."
393 (interactive)
394 (setq ws-marker-1 (point-marker))
395 (message "Marker 1 set"))
396
397(defun ws-set-marker-2 ()
398 "In WordStar mode: Set marker 2 to current cursor position."
399 (interactive)
400 (setq ws-marker-2 (point-marker))
401 (message "Marker 2 set"))
402
403(defun ws-set-marker-3 ()
404 "In WordStar mode: Set marker 3 to current cursor position."
405 (interactive)
406 (setq ws-marker-3 (point-marker))
407 (message "Marker 3 set"))
408
409(defun ws-set-marker-4 ()
410 "In WordStar mode: Set marker 4 to current cursor position."
411 (interactive)
412 (setq ws-marker-4 (point-marker))
413 (message "Marker 4 set"))
414
415(defun ws-set-marker-5 ()
416 "In WordStar mode: Set marker 5 to current cursor position."
417 (interactive)
418 (setq ws-marker-5 (point-marker))
419 (message "Marker 5 set"))
420
421(defun ws-set-marker-6 ()
422 "In WordStar mode: Set marker 6 to current cursor position."
423 (interactive)
424 (setq ws-marker-6 (point-marker))
425 (message "Marker 6 set"))
426
427(defun ws-set-marker-7 ()
428 "In WordStar mode: Set marker 7 to current cursor position."
429 (interactive)
430 (setq ws-marker-7 (point-marker))
431 (message "Marker 7 set"))
432
433(defun ws-set-marker-8 ()
434 "In WordStar mode: Set marker 8 to current cursor position."
435 (interactive)
436 (setq ws-marker-8 (point-marker))
437 (message "Marker 8 set"))
438
439(defun ws-set-marker-9 ()
440 "In WordStar mode: Set marker 9 to current cursor position."
441 (interactive)
442 (setq ws-marker-9 (point-marker))
443 (message "Marker 9 set"))
444
445(defun ws-begin-block ()
446 "In WordStar mode: Set block begin marker to current cursor position."
447 (interactive)
448 (setq ws-block-begin-marker (point-marker))
449 (message "Block begin marker set"))
450
451(defun ws-show-markers ()
452 "In WordStar mode: Show block markers."
453 (interactive)
454 (if (or ws-block-begin-marker ws-block-end-marker)
455 (save-excursion
456 (if ws-block-begin-marker
457 (let ()
458 (goto-char ws-block-begin-marker)
459 (message "Block begin marker")
460 (sit-for 2))
461 (message "Block begin marker not set")
462 (sit-for 2))
463 (if ws-block-end-marker
464 (let ()
465 (goto-char ws-block-end-marker)
466 (message "Block end marker")
467 (sit-for 2))
468 (message "Block end marker not set"))
469 (message ""))
470 (message "Block markers not set")))
471
472
473(defun ws-indent-block ()
eb8c3be9 474 "In WordStar mode: Indent block (not yet implemented)."
fb1c6be2
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475 (interactive)
476 (ws-error "Indent block not yet implemented"))
477
478(defun ws-end-block ()
479 "In WordStar mode: Set block end marker to current cursor position."
480 (interactive)
481 (setq ws-block-end-marker (point-marker))
482 (message "Block end marker set"))
483
484(defun ws-print-block ()
485 "In WordStar mode: Print block."
486 (interactive)
487 (message "Don't do this. Write block to a file (C-k w) and print this file."))
488
489(defun ws-mark-word ()
490 "In WordStar mode: Mark current word as block."
491 (interactive)
492 (save-excursion
6b185759 493 (forward-word 1)
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494 (sit-for 1)
495 (ws-end-block)
6b185759 496 (forward-word -1)
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497 (sit-for 1)
498 (ws-begin-block)))
499
500(defun ws-exdent-block ()
501 "I don't know what this (C-k u) should do."
502 (interactive)
503 (ws-error "This won't be done -- not yet implemented."))
504
505(defun ws-move-block ()
506 "In WordStar mode: Move block to current cursor position."
507 (interactive)
508 (if (and ws-block-begin-marker ws-block-end-marker)
509 (let ()
6b185759 510 (kill-region ws-block-begin-marker ws-block-end-marker)
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511 (yank)
512 (save-excursion
513 (goto-char (region-beginning))
514 (setq ws-block-begin-marker (point-marker))
515 (goto-char (region-end))
516 (setq ws-block-end-marker (point-marker))))
517 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
518 (ws-block-end-marker "Block begin marker not set")
519 (t "Block markers not set")))))
520
521(defun ws-write-block ()
522 "In WordStar mode: Write block to file."
523 (interactive)
524 (if (and ws-block-begin-marker ws-block-end-marker)
525 (let ((filename (read-file-name "Write block to file: ")))
526 (write-region ws-block-begin-marker ws-block-end-marker filename))
527 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
528 (ws-block-end-marker "Block begin marker not set")
529 (t "Block markers not set")))))
530
531
532(defun ws-delete-block ()
533 "In WordStar mode: Delete block."
534 (interactive)
535 (if (and ws-block-begin-marker ws-block-end-marker)
536 (let ()
537 (kill-region ws-block-begin-marker ws-block-end-marker)
538 (setq ws-block-end-marker nil)
539 (setq ws-block-begin-marker nil))
540 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
541 (ws-block-end-marker "Block begin marker not set")
542 (t "Block markers not set")))))
543
544(defun ws-find-marker-0 ()
545 "In WordStar mode: Go to marker 0."
546 (interactive)
547 (if ws-marker-0
548 (let ()
549 (setq ws-last-cursorposition (point-marker))
550 (goto-char ws-marker-0))
551 (ws-error "Marker 0 not set")))
552
553(defun ws-find-marker-1 ()
554 "In WordStar mode: Go to marker 1."
555 (interactive)
556 (if ws-marker-1
557 (let ()
558 (setq ws-last-cursorposition (point-marker))
559 (goto-char ws-marker-1))
560 (ws-error "Marker 1 not set")))
561
562(defun ws-find-marker-2 ()
563 "In WordStar mode: Go to marker 2."
564 (interactive)
565 (if ws-marker-2
566 (let ()
567 (setq ws-last-cursorposition (point-marker))
568 (goto-char ws-marker-2))
569 (ws-error "Marker 2 not set")))
570
571(defun ws-find-marker-3 ()
572 "In WordStar mode: Go to marker 3."
573 (interactive)
574 (if ws-marker-3
575 (let ()
576 (setq ws-last-cursorposition (point-marker))
577 (goto-char ws-marker-3))
578 (ws-error "Marker 3 not set")))
579
580(defun ws-find-marker-4 ()
581 "In WordStar mode: Go to marker 4."
582 (interactive)
583 (if ws-marker-4
584 (let ()
585 (setq ws-last-cursorposition (point-marker))
586 (goto-char ws-marker-4))
587 (ws-error "Marker 4 not set")))
588
589(defun ws-find-marker-5 ()
590 "In WordStar mode: Go to marker 5."
591 (interactive)
592 (if ws-marker-5
593 (let ()
594 (setq ws-last-cursorposition (point-marker))
595 (goto-char ws-marker-5))
596 (ws-error "Marker 5 not set")))
597
598(defun ws-find-marker-6 ()
599 "In WordStar mode: Go to marker 6."
600 (interactive)
601 (if ws-marker-6
602 (let ()
603 (setq ws-last-cursorposition (point-marker))
604 (goto-char ws-marker-6))
605 (ws-error "Marker 6 not set")))
606
607(defun ws-find-marker-7 ()
608 "In WordStar mode: Go to marker 7."
609 (interactive)
610 (if ws-marker-7
611 (let ()
612 (setq ws-last-cursorposition (point-marker))
613 (goto-char ws-marker-7))
614 (ws-error "Marker 7 not set")))
615
616(defun ws-find-marker-8 ()
617 "In WordStar mode: Go to marker 8."
618 (interactive)
619 (if ws-marker-8
620 (let ()
621 (setq ws-last-cursorposition (point-marker))
622 (goto-char ws-marker-8))
623 (ws-error "Marker 8 not set")))
624
625(defun ws-find-marker-9 ()
626 "In WordStar mode: Go to marker 9."
627 (interactive)
628 (if ws-marker-9
629 (let ()
630 (setq ws-last-cursorposition (point-marker))
631 (goto-char ws-marker-9))
632 (ws-error "Marker 9 not set")))
633
634(defun ws-goto-block-begin ()
635 "In WordStar mode: Go to block begin marker."
636 (interactive)
637 (if ws-block-begin-marker
638 (let ()
639 (setq ws-last-cursorposition (point-marker))
640 (goto-char ws-block-begin-marker))
641 (ws-error "Block begin marker not set")))
642
643(defun ws-search (string)
644 "In WordStar mode: Search string, remember string for repetition."
645 (interactive "sSearch for: ")
646 (message "Forward (f) or backward (b)")
647 (let ((direction
648 (read-char)))
9c481732 649 (cond ((equal (upcase direction) ?F)
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650 (setq ws-search-string string)
651 (setq ws-search-direction t)
652 (setq ws-last-cursorposition (point-marker))
653 (search-forward string))
9c481732 654 ((equal (upcase direction) ?B)
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655 (setq ws-search-string string)
656 (setq ws-search-direction nil)
657 (setq ws-last-cursorposition (point-marker))
658 (search-backward string))
659 (t (keyboard-quit)))))
660
661(defun ws-goto-block-end ()
662 "In WordStar mode: Go to block end marker."
663 (interactive)
664 (if ws-block-end-marker
665 (let ()
666 (setq ws-last-cursorposition (point-marker))
667 (goto-char ws-block-end-marker))
668 (ws-error "Block end marker not set")))
669
670(defun ws-undo ()
671 "In WordStar mode: Undo and give message about undoing more changes."
672 (interactive)
673 (undo)
674 (message "Repeat C-q l to undo more changes."))
675
676(defun ws-goto-last-cursorposition ()
677 "In WordStar mode: "
678 (interactive)
679 (if ws-last-cursorposition
680 (let ()
681 (setq ws-last-cursorposition (point-marker))
682 (goto-char ws-last-cursorposition))
683 (ws-error "No last cursor position available.")))
684
685(defun ws-last-error ()
686 "In WordStar mode: repeat last error message.
687This will only work for errors raised by WordStar mode functions."
688 (interactive)
689 (if ws-last-errormessage
690 (message ws-last-errormessage)
691 (message "No WordStar error yet.")))
692
693(defun ws-kill-eol ()
694 "In WordStar mode: Kill to end of line (like WordStar, not like Emacs)."
695 (interactive)
696 (let ((p (point)))
697 (end-of-line)
698 (kill-region p (point))))
699
700(defun ws-kill-bol ()
701 "In WordStar mode: Kill to beginning of line
a4e104bf 702\(like WordStar, not like Emacs)."
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703 (interactive)
704 (let ((p (point)))
705 (beginning-of-line)
706 (kill-region (point) p)))
707
708(defun kill-complete-line ()
709 "Kill the complete line."
710 (interactive)
711 (beginning-of-line)
712 (if (eobp) (error "End of buffer"))
713 (let ((beg (point)))
714 (forward-line 1)
715 (kill-region beg (point))))
716
717(defun ws-repeat-search ()
718 "In WordStar mode: Repeat last search."
719 (interactive)
720 (setq ws-last-cursorposition (point-marker))
721 (if ws-search-string
722 (if ws-search-direction
723 (search-forward ws-search-string)
724 (search-backward ws-search-string))
725 (ws-error "No search to repeat")))
726
727(defun ws-query-replace (from to)
728 "In WordStar mode: Search string, remember string for repetition."
729 (interactive "sReplace:
730sWith: " )
731 (setq ws-search-string from)
732 (setq ws-search-direction t)
733 (setq ws-last-cursorposition (point-marker))
734 (query-replace from to))
735
736(defun ws-copy-block ()
737 "In WordStar mode: Copy block to current cursor position."
738 (interactive)
739 (if (and ws-block-begin-marker ws-block-end-marker)
740 (let ()
741 (copy-region-as-kill ws-block-begin-marker ws-block-end-marker)
742 (yank)
743 (save-excursion
744 (goto-char (region-beginning))
745 (setq ws-block-begin-marker (point-marker))
746 (goto-char (region-end))
747 (setq ws-block-end-marker (point-marker))))
748 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
749 (ws-block-end-marker "Block begin marker not set")
750 (t "Block markers not set")))))
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751
752;;; ws-mode.el ends here