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[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
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22;; along with GNU Emacs; see the file COPYING. If not, write to the
23;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24;; Boston, MA 02111-1307, USA.
fb1c6be2 25
6cf0d154 26;;; Commentary:
fb1c6be2 27
8531c2ac 28;; This emulates WordStar, with a major mode.
fb1c6be2 29
6cf0d154 30;;; Code:
fb1c6be2 31
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32(defvar wordstar-mode-map nil "")
33(defvar wordstar-C-j-map nil "")
34(defvar wordstar-C-k-map nil "")
35(defvar wordstar-C-o-map nil "")
36(defvar wordstar-C-q-map nil "")
37
38(if wordstar-mode-map
39 ()
40 (setq wordstar-mode-map (make-keymap))
41 ;; (setq wordstar-C-j-map (make-keymap)) ; later, perhaps
42 (setq wordstar-C-k-map (make-keymap))
43 (setq wordstar-C-o-map (make-keymap))
44 (setq wordstar-C-q-map (make-keymap))
a1506d29 45
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46 (define-key wordstar-mode-map "\C-a" 'backward-word)
47 (define-key wordstar-mode-map "\C-b" 'fill-paragraph)
48 (define-key wordstar-mode-map "\C-c" 'scroll-up)
49 (define-key wordstar-mode-map "\C-d" 'forward-char)
50 (define-key wordstar-mode-map "\C-e" 'previous-line)
51 (define-key wordstar-mode-map "\C-f" 'forward-word)
52 (define-key wordstar-mode-map "\C-g" 'delete-char)
53 (define-key wordstar-mode-map "\C-h" 'backward-char)
54 (define-key wordstar-mode-map "\C-i" 'indent-for-tab-command)
55 (define-key wordstar-mode-map "\C-j" 'help-for-help)
56 (define-key wordstar-mode-map "\C-k" wordstar-C-k-map)
57 (define-key wordstar-mode-map "\C-l" 'ws-repeat-search)
58 (define-key wordstar-mode-map "\C-n" 'open-line)
59 (define-key wordstar-mode-map "\C-o" wordstar-C-o-map)
60 (define-key wordstar-mode-map "\C-p" 'quoted-insert)
61 (define-key wordstar-mode-map "\C-q" wordstar-C-q-map)
62 (define-key wordstar-mode-map "\C-r" 'scroll-down)
63 (define-key wordstar-mode-map "\C-s" 'backward-char)
64 (define-key wordstar-mode-map "\C-t" 'kill-word)
65 (define-key wordstar-mode-map "\C-u" 'keyboard-quit)
66 (define-key wordstar-mode-map "\C-v" 'overwrite-mode)
67 (define-key wordstar-mode-map "\C-w" 'scroll-down-line)
68 (define-key wordstar-mode-map "\C-x" 'next-line)
69 (define-key wordstar-mode-map "\C-y" 'kill-complete-line)
70 (define-key wordstar-mode-map "\C-z" 'scroll-up-line)
a1506d29 71
fb1c6be2 72 ;; wordstar-C-k-map
a1506d29 73
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74 (define-key wordstar-C-k-map " " ())
75 (define-key wordstar-C-k-map "0" 'ws-set-marker-0)
76 (define-key wordstar-C-k-map "1" 'ws-set-marker-1)
77 (define-key wordstar-C-k-map "2" 'ws-set-marker-2)
78 (define-key wordstar-C-k-map "3" 'ws-set-marker-3)
79 (define-key wordstar-C-k-map "4" 'ws-set-marker-4)
80 (define-key wordstar-C-k-map "5" 'ws-set-marker-5)
81 (define-key wordstar-C-k-map "6" 'ws-set-marker-6)
82 (define-key wordstar-C-k-map "7" 'ws-set-marker-7)
83 (define-key wordstar-C-k-map "8" 'ws-set-marker-8)
84 (define-key wordstar-C-k-map "9" 'ws-set-marker-9)
85 (define-key wordstar-C-k-map "b" 'ws-begin-block)
86 (define-key wordstar-C-k-map "\C-b" 'ws-begin-block)
87 (define-key wordstar-C-k-map "c" 'ws-copy-block)
88 (define-key wordstar-C-k-map "\C-c" 'ws-copy-block)
89 (define-key wordstar-C-k-map "d" 'save-buffers-kill-emacs)
90 (define-key wordstar-C-k-map "\C-d" 'save-buffers-kill-emacs)
91 (define-key wordstar-C-k-map "f" 'find-file)
92 (define-key wordstar-C-k-map "\C-f" 'find-file)
93 (define-key wordstar-C-k-map "h" 'ws-show-markers)
94 (define-key wordstar-C-k-map "\C-h" 'ws-show-markers)
95 (define-key wordstar-C-k-map "i" 'ws-indent-block)
96 (define-key wordstar-C-k-map "\C-i" 'ws-indent-block)
97 (define-key wordstar-C-k-map "k" 'ws-end-block)
98 (define-key wordstar-C-k-map "\C-k" 'ws-end-block)
99 (define-key wordstar-C-k-map "p" 'ws-print-block)
100 (define-key wordstar-C-k-map "\C-p" 'ws-print-block)
101 (define-key wordstar-C-k-map "q" 'kill-emacs)
102 (define-key wordstar-C-k-map "\C-q" 'kill-emacs)
103 (define-key wordstar-C-k-map "r" 'insert-file)
104 (define-key wordstar-C-k-map "\C-r" 'insert-file)
105 (define-key wordstar-C-k-map "s" 'save-some-buffers)
106 (define-key wordstar-C-k-map "\C-s" 'save-some-buffers)
107 (define-key wordstar-C-k-map "t" 'ws-mark-word)
108 (define-key wordstar-C-k-map "\C-t" 'ws-mark-word)
109 (define-key wordstar-C-k-map "u" 'ws-exdent-block)
110 (define-key wordstar-C-k-map "\C-u" 'keyboard-quit)
111 (define-key wordstar-C-k-map "v" 'ws-move-block)
112 (define-key wordstar-C-k-map "\C-v" 'ws-move-block)
113 (define-key wordstar-C-k-map "w" 'ws-write-block)
114 (define-key wordstar-C-k-map "\C-w" 'ws-write-block)
115 (define-key wordstar-C-k-map "x" 'save-buffers-kill-emacs)
116 (define-key wordstar-C-k-map "\C-x" 'save-buffers-kill-emacs)
117 (define-key wordstar-C-k-map "y" 'ws-delete-block)
118 (define-key wordstar-C-k-map "\C-y" 'ws-delete-block)
a1506d29 119
fb1c6be2 120 ;; wordstar-C-j-map not yet implemented
a1506d29 121
fb1c6be2 122 ;; wordstar-C-o-map
a1506d29 123
fb1c6be2 124 (define-key wordstar-C-o-map " " ())
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125 (define-key wordstar-C-o-map "c" 'wordstar-center-line)
126 (define-key wordstar-C-o-map "\C-c" 'wordstar-center-line)
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127 (define-key wordstar-C-o-map "b" 'switch-to-buffer)
128 (define-key wordstar-C-o-map "\C-b" 'switch-to-buffer)
129 (define-key wordstar-C-o-map "j" 'justify-current-line)
130 (define-key wordstar-C-o-map "\C-j" 'justify-current-line)
131 (define-key wordstar-C-o-map "k" 'kill-buffer)
132 (define-key wordstar-C-o-map "\C-k" 'kill-buffer)
133 (define-key wordstar-C-o-map "l" 'list-buffers)
134 (define-key wordstar-C-o-map "\C-l" 'list-buffers)
135 (define-key wordstar-C-o-map "m" 'auto-fill-mode)
136 (define-key wordstar-C-o-map "\C-m" 'auto-fill-mode)
137 (define-key wordstar-C-o-map "r" 'set-fill-column)
138 (define-key wordstar-C-o-map "\C-r" 'set-fill-column)
139 (define-key wordstar-C-o-map "\C-u" 'keyboard-quit)
140 (define-key wordstar-C-o-map "wd" 'delete-other-windows)
141 (define-key wordstar-C-o-map "wh" 'split-window-horizontally)
142 (define-key wordstar-C-o-map "wo" 'other-window)
143 (define-key wordstar-C-o-map "wv" 'split-window-vertically)
a1506d29 144
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145 ;; wordstar-C-q-map
146 (define-key wordstar-C-q-map " " ())
147 (define-key wordstar-C-q-map "0" 'ws-find-marker-0)
148 (define-key wordstar-C-q-map "1" 'ws-find-marker-1)
149 (define-key wordstar-C-q-map "2" 'ws-find-marker-2)
150 (define-key wordstar-C-q-map "3" 'ws-find-marker-3)
151 (define-key wordstar-C-q-map "4" 'ws-find-marker-4)
152 (define-key wordstar-C-q-map "5" 'ws-find-marker-5)
153 (define-key wordstar-C-q-map "6" 'ws-find-marker-6)
154 (define-key wordstar-C-q-map "7" 'ws-find-marker-7)
155 (define-key wordstar-C-q-map "8" 'ws-find-marker-8)
156 (define-key wordstar-C-q-map "9" 'ws-find-marker-9)
157 (define-key wordstar-C-q-map "a" 'ws-query-replace)
158 (define-key wordstar-C-q-map "\C-a" 'ws-query-replace)
159 (define-key wordstar-C-q-map "b" 'ws-goto-block-begin)
160 (define-key wordstar-C-q-map "\C-b" 'ws-goto-block-begin)
161 (define-key wordstar-C-q-map "c" 'end-of-buffer)
162 (define-key wordstar-C-q-map "\C-c" 'end-of-buffer)
163 (define-key wordstar-C-q-map "d" 'end-of-line)
164 (define-key wordstar-C-q-map "\C-d" 'end-of-line)
165 (define-key wordstar-C-q-map "f" 'ws-search)
166 (define-key wordstar-C-q-map "\C-f" 'ws-search)
167 (define-key wordstar-C-q-map "k" 'ws-goto-block-end)
168 (define-key wordstar-C-q-map "\C-k" 'ws-goto-block-end)
169 (define-key wordstar-C-q-map "l" 'ws-undo)
170 (define-key wordstar-C-q-map "\C-l" 'ws-undo)
171 (define-key wordstar-C-q-map "p" 'ws-last-cursorp)
172 (define-key wordstar-C-q-map "\C-p" 'ws-last-cursorp)
173 (define-key wordstar-C-q-map "r" 'beginning-of-buffer)
174 (define-key wordstar-C-q-map "\C-r" 'beginning-of-buffer)
175 (define-key wordstar-C-q-map "s" 'beginning-of-line)
176 (define-key wordstar-C-q-map "\C-s" 'beginning-of-line)
177 (define-key wordstar-C-q-map "\C-u" 'keyboard-quit)
178 (define-key wordstar-C-q-map "w" 'ws-last-error)
179 (define-key wordstar-C-q-map "\C-w" 'ws-last-error)
180 (define-key wordstar-C-q-map "y" 'ws-kill-eol)
181 (define-key wordstar-C-q-map "\C-y" 'ws-kill-eol)
182 (define-key wordstar-C-q-map "\177" 'ws-kill-bol))
183
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184(put 'wordstar-mode 'mode-class 'special)
185
dd64d807 186;;;###autoload
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187(defun wordstar-mode ()
188 "Major mode with WordStar-like key bindings.
189
190BUGS:
191 - Help menus with WordStar commands (C-j just calls help-for-help)
192 are not implemented
193 - Options for search and replace
194 - Show markers (C-k h) is somewhat strange
195 - Search and replace (C-q a) is only available in forward direction
196
197No key bindings beginning with ESC are installed, they will work
198Emacs-like.
199
200The key bindings are:
201
202 C-a backward-word
203 C-b fill-paragraph
204 C-c scroll-up-line
205 C-d forward-char
206 C-e previous-line
207 C-f forward-word
208 C-g delete-char
209 C-h backward-char
210 C-i indent-for-tab-command
211 C-j help-for-help
212 C-k ordstar-C-k-map
213 C-l ws-repeat-search
214 C-n open-line
215 C-p quoted-insert
216 C-r scroll-down-line
217 C-s backward-char
218 C-t kill-word
219 C-u keyboard-quit
220 C-v overwrite-mode
221 C-w scroll-down
222 C-x next-line
223 C-y kill-complete-line
224 C-z scroll-up
225
226 C-k 0 ws-set-marker-0
227 C-k 1 ws-set-marker-1
228 C-k 2 ws-set-marker-2
229 C-k 3 ws-set-marker-3
230 C-k 4 ws-set-marker-4
231 C-k 5 ws-set-marker-5
232 C-k 6 ws-set-marker-6
233 C-k 7 ws-set-marker-7
234 C-k 8 ws-set-marker-8
235 C-k 9 ws-set-marker-9
236 C-k b ws-begin-block
237 C-k c ws-copy-block
238 C-k d save-buffers-kill-emacs
239 C-k f find-file
240 C-k h ws-show-markers
241 C-k i ws-indent-block
242 C-k k ws-end-block
243 C-k p ws-print-block
244 C-k q kill-emacs
245 C-k r insert-file
246 C-k s save-some-buffers
247 C-k t ws-mark-word
248 C-k u ws-exdent-block
249 C-k C-u keyboard-quit
250 C-k v ws-move-block
251 C-k w ws-write-block
252 C-k x kill-emacs
253 C-k y ws-delete-block
254
2486eb97 255 C-o c wordstar-center-line
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256 C-o b switch-to-buffer
257 C-o j justify-current-line
258 C-o k kill-buffer
259 C-o l list-buffers
260 C-o m auto-fill-mode
261 C-o r set-fill-column
262 C-o C-u keyboard-quit
263 C-o wd delete-other-windows
264 C-o wh split-window-horizontally
265 C-o wo other-window
266 C-o wv split-window-vertically
267
268 C-q 0 ws-find-marker-0
269 C-q 1 ws-find-marker-1
270 C-q 2 ws-find-marker-2
271 C-q 3 ws-find-marker-3
272 C-q 4 ws-find-marker-4
273 C-q 5 ws-find-marker-5
274 C-q 6 ws-find-marker-6
275 C-q 7 ws-find-marker-7
276 C-q 8 ws-find-marker-8
277 C-q 9 ws-find-marker-9
278 C-q a ws-query-replace
279 C-q b ws-to-block-begin
280 C-q c end-of-buffer
281 C-q d end-of-line
282 C-q f ws-search
283 C-q k ws-to-block-end
284 C-q l ws-undo
285 C-q p ws-last-cursorp
286 C-q r beginning-of-buffer
287 C-q C-u keyboard-quit
288 C-q w ws-last-error
289 C-q y ws-kill-eol
290 C-q DEL ws-kill-bol
291"
292 (interactive)
293 (kill-all-local-variables)
294 (use-local-map wordstar-mode-map)
295 (setq mode-name "WordStar")
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296 (setq major-mode 'wordstar-mode)
297 (run-hooks 'wordstar-mode-hook))
6b185759 298
fb1c6be2 299
2486eb97 300(defun wordstar-center-paragraph ()
fb1c6be2 301 "Center each line in the paragraph at or after point.
2486eb97 302See `wordstar-center-line' for more info."
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303 (interactive)
304 (save-excursion
305 (forward-paragraph)
306 (or (bolp) (newline 1))
307 (let ((end (point)))
308 (backward-paragraph)
2486eb97 309 (wordstar-center-region (point) end))))
fb1c6be2 310
2486eb97 311(defun wordstar-center-region (from to)
fb1c6be2 312 "Center each line starting in the region.
2486eb97 313See `wordstar-center-line' for more info."
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314 (interactive "r")
315 (if (> from to)
316 (let ((tem to))
317 (setq to from from tem)))
318 (save-excursion
319 (save-restriction
320 (narrow-to-region from to)
321 (goto-char from)
322 (while (not (eobp))
2486eb97 323 (wordstar-center-line)
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324 (forward-line 1)))))
325
2486eb97 326(defun wordstar-center-line ()
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327 "Center the line point is on, within the width specified by `fill-column'.
328This means adjusting the indentation to match
329the distance between the end of the text and `fill-column'."
330 (interactive)
331 (save-excursion
332 (let (line-length)
333 (beginning-of-line)
334 (delete-horizontal-space)
335 (end-of-line)
336 (delete-horizontal-space)
337 (setq line-length (current-column))
338 (beginning-of-line)
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339 (indent-to
340 (+ left-margin
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341 (/ (- fill-column left-margin line-length) 2))))))
342
343(defun scroll-down-line ()
344 "Scroll one line down."
345 (interactive)
346 (scroll-down 1))
347
348(defun scroll-up-line ()
349 "Scroll one line up."
350 (interactive)
351 (scroll-up 1))
352
353;;;;;;;;;;;
354;; wordstar special variables:
355
356(defvar ws-marker-0 nil "Position marker 0 in WordStar mode.")
357(defvar ws-marker-1 nil "Position marker 1 in WordStar mode.")
358(defvar ws-marker-2 nil "Position marker 2 in WordStar mode.")
359(defvar ws-marker-3 nil "Position marker 3 in WordStar mode.")
360(defvar ws-marker-4 nil "Position marker 4 in WordStar mode.")
361(defvar ws-marker-5 nil "Position marker 5 in WordStar mode.")
362(defvar ws-marker-6 nil "Position marker 6 in WordStar mode.")
363(defvar ws-marker-7 nil "Position marker 7 in WordStar mode.")
364(defvar ws-marker-8 nil "Position marker 8 in WordStar mode.")
365(defvar ws-marker-9 nil "Position marker 9 in WordStar mode.")
366
367(defvar ws-block-begin-marker nil "Beginning of \"Block\" in WordStar mode.")
368(defvar ws-block-end-marker nil "End of \"Block\" in WordStar mode.")
369
370(defvar ws-search-string nil "String of last search in WordStar mode.")
a1506d29 371(defvar ws-search-direction t
f0529b5b 372 "Direction of last search in WordStar mode. t if forward, nil if backward.")
fb1c6be2 373
a1506d29 374(defvar ws-last-cursorposition nil
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375 "Position before last search etc. in WordStar mode.")
376
a1506d29 377(defvar ws-last-errormessage nil
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378 "Last error message issued by a WordStar mode function.")
379
380;;;;;;;;;;;
381;; wordstar special functions:
382
383(defun ws-error (string)
384 "Report error of a WordStar special function. Error message is saved
385in ws-last-errormessage for recovery with C-q w."
386 (setq ws-last-errormessage string)
387 (error string))
388
389(defun ws-set-marker-0 ()
390 "In WordStar mode: Set marker 0 to current cursor position."
391 (interactive)
392 (setq ws-marker-0 (point-marker))
393 (message "Marker 0 set"))
394
395(defun ws-set-marker-1 ()
396 "In WordStar mode: Set marker 1 to current cursor position."
397 (interactive)
398 (setq ws-marker-1 (point-marker))
399 (message "Marker 1 set"))
400
401(defun ws-set-marker-2 ()
402 "In WordStar mode: Set marker 2 to current cursor position."
403 (interactive)
404 (setq ws-marker-2 (point-marker))
405 (message "Marker 2 set"))
406
407(defun ws-set-marker-3 ()
408 "In WordStar mode: Set marker 3 to current cursor position."
409 (interactive)
410 (setq ws-marker-3 (point-marker))
411 (message "Marker 3 set"))
412
413(defun ws-set-marker-4 ()
414 "In WordStar mode: Set marker 4 to current cursor position."
415 (interactive)
416 (setq ws-marker-4 (point-marker))
417 (message "Marker 4 set"))
418
419(defun ws-set-marker-5 ()
420 "In WordStar mode: Set marker 5 to current cursor position."
421 (interactive)
422 (setq ws-marker-5 (point-marker))
423 (message "Marker 5 set"))
424
425(defun ws-set-marker-6 ()
426 "In WordStar mode: Set marker 6 to current cursor position."
427 (interactive)
428 (setq ws-marker-6 (point-marker))
429 (message "Marker 6 set"))
430
431(defun ws-set-marker-7 ()
432 "In WordStar mode: Set marker 7 to current cursor position."
433 (interactive)
434 (setq ws-marker-7 (point-marker))
435 (message "Marker 7 set"))
436
437(defun ws-set-marker-8 ()
438 "In WordStar mode: Set marker 8 to current cursor position."
439 (interactive)
440 (setq ws-marker-8 (point-marker))
441 (message "Marker 8 set"))
442
443(defun ws-set-marker-9 ()
444 "In WordStar mode: Set marker 9 to current cursor position."
445 (interactive)
446 (setq ws-marker-9 (point-marker))
447 (message "Marker 9 set"))
448
449(defun ws-begin-block ()
450 "In WordStar mode: Set block begin marker to current cursor position."
451 (interactive)
452 (setq ws-block-begin-marker (point-marker))
453 (message "Block begin marker set"))
454
455(defun ws-show-markers ()
456 "In WordStar mode: Show block markers."
457 (interactive)
458 (if (or ws-block-begin-marker ws-block-end-marker)
459 (save-excursion
460 (if ws-block-begin-marker
461 (let ()
462 (goto-char ws-block-begin-marker)
463 (message "Block begin marker")
464 (sit-for 2))
465 (message "Block begin marker not set")
466 (sit-for 2))
467 (if ws-block-end-marker
468 (let ()
469 (goto-char ws-block-end-marker)
470 (message "Block end marker")
471 (sit-for 2))
472 (message "Block end marker not set"))
473 (message ""))
474 (message "Block markers not set")))
475
476
477(defun ws-indent-block ()
eb8c3be9 478 "In WordStar mode: Indent block (not yet implemented)."
fb1c6be2
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479 (interactive)
480 (ws-error "Indent block not yet implemented"))
481
482(defun ws-end-block ()
483 "In WordStar mode: Set block end marker to current cursor position."
484 (interactive)
485 (setq ws-block-end-marker (point-marker))
486 (message "Block end marker set"))
487
488(defun ws-print-block ()
489 "In WordStar mode: Print block."
490 (interactive)
491 (message "Don't do this. Write block to a file (C-k w) and print this file."))
492
493(defun ws-mark-word ()
494 "In WordStar mode: Mark current word as block."
495 (interactive)
496 (save-excursion
6b185759 497 (forward-word 1)
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498 (sit-for 1)
499 (ws-end-block)
6b185759 500 (forward-word -1)
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501 (sit-for 1)
502 (ws-begin-block)))
503
504(defun ws-exdent-block ()
505 "I don't know what this (C-k u) should do."
506 (interactive)
507 (ws-error "This won't be done -- not yet implemented."))
508
509(defun ws-move-block ()
510 "In WordStar mode: Move block to current cursor position."
511 (interactive)
512 (if (and ws-block-begin-marker ws-block-end-marker)
a1506d29 513 (let ()
6b185759 514 (kill-region ws-block-begin-marker ws-block-end-marker)
fb1c6be2
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515 (yank)
516 (save-excursion
517 (goto-char (region-beginning))
518 (setq ws-block-begin-marker (point-marker))
519 (goto-char (region-end))
520 (setq ws-block-end-marker (point-marker))))
521 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
522 (ws-block-end-marker "Block begin marker not set")
523 (t "Block markers not set")))))
524
525(defun ws-write-block ()
526 "In WordStar mode: Write block to file."
527 (interactive)
528 (if (and ws-block-begin-marker ws-block-end-marker)
529 (let ((filename (read-file-name "Write block to file: ")))
530 (write-region ws-block-begin-marker ws-block-end-marker filename))
531 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
532 (ws-block-end-marker "Block begin marker not set")
533 (t "Block markers not set")))))
534
535
536(defun ws-delete-block ()
537 "In WordStar mode: Delete block."
538 (interactive)
539 (if (and ws-block-begin-marker ws-block-end-marker)
540 (let ()
541 (kill-region ws-block-begin-marker ws-block-end-marker)
542 (setq ws-block-end-marker nil)
543 (setq ws-block-begin-marker nil))
544 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
545 (ws-block-end-marker "Block begin marker not set")
546 (t "Block markers not set")))))
547
548(defun ws-find-marker-0 ()
549 "In WordStar mode: Go to marker 0."
550 (interactive)
551 (if ws-marker-0
552 (let ()
553 (setq ws-last-cursorposition (point-marker))
554 (goto-char ws-marker-0))
555 (ws-error "Marker 0 not set")))
556
557(defun ws-find-marker-1 ()
558 "In WordStar mode: Go to marker 1."
559 (interactive)
560 (if ws-marker-1
561 (let ()
562 (setq ws-last-cursorposition (point-marker))
563 (goto-char ws-marker-1))
564 (ws-error "Marker 1 not set")))
565
566(defun ws-find-marker-2 ()
567 "In WordStar mode: Go to marker 2."
568 (interactive)
569 (if ws-marker-2
570 (let ()
571 (setq ws-last-cursorposition (point-marker))
572 (goto-char ws-marker-2))
573 (ws-error "Marker 2 not set")))
574
575(defun ws-find-marker-3 ()
576 "In WordStar mode: Go to marker 3."
577 (interactive)
578 (if ws-marker-3
579 (let ()
580 (setq ws-last-cursorposition (point-marker))
581 (goto-char ws-marker-3))
582 (ws-error "Marker 3 not set")))
583
584(defun ws-find-marker-4 ()
585 "In WordStar mode: Go to marker 4."
586 (interactive)
587 (if ws-marker-4
588 (let ()
589 (setq ws-last-cursorposition (point-marker))
590 (goto-char ws-marker-4))
591 (ws-error "Marker 4 not set")))
592
593(defun ws-find-marker-5 ()
594 "In WordStar mode: Go to marker 5."
595 (interactive)
596 (if ws-marker-5
597 (let ()
598 (setq ws-last-cursorposition (point-marker))
599 (goto-char ws-marker-5))
600 (ws-error "Marker 5 not set")))
601
602(defun ws-find-marker-6 ()
603 "In WordStar mode: Go to marker 6."
604 (interactive)
605 (if ws-marker-6
606 (let ()
607 (setq ws-last-cursorposition (point-marker))
608 (goto-char ws-marker-6))
609 (ws-error "Marker 6 not set")))
610
611(defun ws-find-marker-7 ()
612 "In WordStar mode: Go to marker 7."
613 (interactive)
614 (if ws-marker-7
615 (let ()
616 (setq ws-last-cursorposition (point-marker))
617 (goto-char ws-marker-7))
618 (ws-error "Marker 7 not set")))
619
620(defun ws-find-marker-8 ()
621 "In WordStar mode: Go to marker 8."
622 (interactive)
623 (if ws-marker-8
624 (let ()
625 (setq ws-last-cursorposition (point-marker))
626 (goto-char ws-marker-8))
627 (ws-error "Marker 8 not set")))
628
629(defun ws-find-marker-9 ()
630 "In WordStar mode: Go to marker 9."
631 (interactive)
632 (if ws-marker-9
633 (let ()
634 (setq ws-last-cursorposition (point-marker))
635 (goto-char ws-marker-9))
636 (ws-error "Marker 9 not set")))
637
638(defun ws-goto-block-begin ()
639 "In WordStar mode: Go to block begin marker."
640 (interactive)
641 (if ws-block-begin-marker
642 (let ()
643 (setq ws-last-cursorposition (point-marker))
644 (goto-char ws-block-begin-marker))
645 (ws-error "Block begin marker not set")))
646
647(defun ws-search (string)
648 "In WordStar mode: Search string, remember string for repetition."
649 (interactive "sSearch for: ")
650 (message "Forward (f) or backward (b)")
651 (let ((direction
652 (read-char)))
9c481732 653 (cond ((equal (upcase direction) ?F)
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654 (setq ws-search-string string)
655 (setq ws-search-direction t)
656 (setq ws-last-cursorposition (point-marker))
657 (search-forward string))
9c481732 658 ((equal (upcase direction) ?B)
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659 (setq ws-search-string string)
660 (setq ws-search-direction nil)
661 (setq ws-last-cursorposition (point-marker))
662 (search-backward string))
663 (t (keyboard-quit)))))
664
665(defun ws-goto-block-end ()
666 "In WordStar mode: Go to block end marker."
667 (interactive)
668 (if ws-block-end-marker
669 (let ()
670 (setq ws-last-cursorposition (point-marker))
671 (goto-char ws-block-end-marker))
672 (ws-error "Block end marker not set")))
673
674(defun ws-undo ()
675 "In WordStar mode: Undo and give message about undoing more changes."
676 (interactive)
677 (undo)
678 (message "Repeat C-q l to undo more changes."))
679
680(defun ws-goto-last-cursorposition ()
681 "In WordStar mode: "
682 (interactive)
683 (if ws-last-cursorposition
684 (let ()
685 (setq ws-last-cursorposition (point-marker))
686 (goto-char ws-last-cursorposition))
687 (ws-error "No last cursor position available.")))
688
689(defun ws-last-error ()
690 "In WordStar mode: repeat last error message.
691This will only work for errors raised by WordStar mode functions."
692 (interactive)
693 (if ws-last-errormessage
694 (message ws-last-errormessage)
695 (message "No WordStar error yet.")))
696
697(defun ws-kill-eol ()
698 "In WordStar mode: Kill to end of line (like WordStar, not like Emacs)."
699 (interactive)
700 (let ((p (point)))
701 (end-of-line)
702 (kill-region p (point))))
703
704(defun ws-kill-bol ()
a1506d29 705 "In WordStar mode: Kill to beginning of line
a4e104bf 706\(like WordStar, not like Emacs)."
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707 (interactive)
708 (let ((p (point)))
709 (beginning-of-line)
710 (kill-region (point) p)))
711
712(defun kill-complete-line ()
713 "Kill the complete line."
714 (interactive)
715 (beginning-of-line)
716 (if (eobp) (error "End of buffer"))
717 (let ((beg (point)))
718 (forward-line 1)
719 (kill-region beg (point))))
720
721(defun ws-repeat-search ()
722 "In WordStar mode: Repeat last search."
723 (interactive)
724 (setq ws-last-cursorposition (point-marker))
725 (if ws-search-string
726 (if ws-search-direction
727 (search-forward ws-search-string)
728 (search-backward ws-search-string))
729 (ws-error "No search to repeat")))
730
731(defun ws-query-replace (from to)
732 "In WordStar mode: Search string, remember string for repetition."
a1506d29 733 (interactive "sReplace:
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734sWith: " )
735 (setq ws-search-string from)
736 (setq ws-search-direction t)
737 (setq ws-last-cursorposition (point-marker))
738 (query-replace from to))
739
740(defun ws-copy-block ()
741 "In WordStar mode: Copy block to current cursor position."
742 (interactive)
743 (if (and ws-block-begin-marker ws-block-end-marker)
744 (let ()
745 (copy-region-as-kill ws-block-begin-marker ws-block-end-marker)
746 (yank)
747 (save-excursion
748 (goto-char (region-beginning))
749 (setq ws-block-begin-marker (point-marker))
750 (goto-char (region-end))
751 (setq ws-block-end-marker (point-marker))))
752 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
753 (ws-block-end-marker "Block begin marker not set")
754 (t "Block markers not set")))))
76d7458e 755
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756(provide 'ws-mode)
757
76d7458e 758;;; ws-mode.el ends here