Fix up comment convention on the arch-tag lines.
[bpt/emacs.git] / lisp / emulation / ws-mode.el
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1;;; ws-mode.el --- WordStar emulation mode for GNU Emacs
2
d59c3137 3;; Copyright (C) 1991, 2001, 2002, 2003, 2004, 2005,
8b72699e 4;; 2006, 2007, 2008 Free Software Foundation, Inc.
58142744 5
6cf0d154 6;; Author: Juergen Nickelsen <nickel@cs.tu-berlin.de>
6cf0d154 7;; Version: 0.7
6251ee24 8;; Keywords: emulations
fb1c6be2 9
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10;; This file is part of GNU Emacs.
11
12;; GNU Emacs is free software; you can redistribute it and/or modify
13;; it under the terms of the GNU General Public License as published by
e0085d62 14;; the Free Software Foundation; either version 3, or (at your option)
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15;; any later version.
16
17;; GNU Emacs is distributed in the hope that it will be useful,
18;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20;; GNU General Public License for more details.
21
22;; You should have received a copy of the GNU General Public License
b578f267 23;; along with GNU Emacs; see the file COPYING. If not, write to the
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24;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25;; Boston, MA 02110-1301, USA.
fb1c6be2 26
6cf0d154 27;;; Commentary:
fb1c6be2 28
8531c2ac 29;; This emulates WordStar, with a major mode.
fb1c6be2 30
6cf0d154 31;;; Code:
fb1c6be2 32
fb1c6be2
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33(defvar wordstar-mode-map nil "")
34(defvar wordstar-C-j-map nil "")
35(defvar wordstar-C-k-map nil "")
36(defvar wordstar-C-o-map nil "")
37(defvar wordstar-C-q-map nil "")
38
39(if wordstar-mode-map
40 ()
41 (setq wordstar-mode-map (make-keymap))
42 ;; (setq wordstar-C-j-map (make-keymap)) ; later, perhaps
43 (setq wordstar-C-k-map (make-keymap))
44 (setq wordstar-C-o-map (make-keymap))
45 (setq wordstar-C-q-map (make-keymap))
a1506d29 46
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47 (define-key wordstar-mode-map "\C-a" 'backward-word)
48 (define-key wordstar-mode-map "\C-b" 'fill-paragraph)
49 (define-key wordstar-mode-map "\C-c" 'scroll-up)
50 (define-key wordstar-mode-map "\C-d" 'forward-char)
51 (define-key wordstar-mode-map "\C-e" 'previous-line)
52 (define-key wordstar-mode-map "\C-f" 'forward-word)
53 (define-key wordstar-mode-map "\C-g" 'delete-char)
54 (define-key wordstar-mode-map "\C-h" 'backward-char)
55 (define-key wordstar-mode-map "\C-i" 'indent-for-tab-command)
56 (define-key wordstar-mode-map "\C-j" 'help-for-help)
57 (define-key wordstar-mode-map "\C-k" wordstar-C-k-map)
58 (define-key wordstar-mode-map "\C-l" 'ws-repeat-search)
59 (define-key wordstar-mode-map "\C-n" 'open-line)
60 (define-key wordstar-mode-map "\C-o" wordstar-C-o-map)
61 (define-key wordstar-mode-map "\C-p" 'quoted-insert)
62 (define-key wordstar-mode-map "\C-q" wordstar-C-q-map)
63 (define-key wordstar-mode-map "\C-r" 'scroll-down)
64 (define-key wordstar-mode-map "\C-s" 'backward-char)
65 (define-key wordstar-mode-map "\C-t" 'kill-word)
66 (define-key wordstar-mode-map "\C-u" 'keyboard-quit)
67 (define-key wordstar-mode-map "\C-v" 'overwrite-mode)
68 (define-key wordstar-mode-map "\C-w" 'scroll-down-line)
69 (define-key wordstar-mode-map "\C-x" 'next-line)
70 (define-key wordstar-mode-map "\C-y" 'kill-complete-line)
71 (define-key wordstar-mode-map "\C-z" 'scroll-up-line)
a1506d29 72
fb1c6be2 73 ;; wordstar-C-k-map
a1506d29 74
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75 (define-key wordstar-C-k-map " " ())
76 (define-key wordstar-C-k-map "0" 'ws-set-marker-0)
77 (define-key wordstar-C-k-map "1" 'ws-set-marker-1)
78 (define-key wordstar-C-k-map "2" 'ws-set-marker-2)
79 (define-key wordstar-C-k-map "3" 'ws-set-marker-3)
80 (define-key wordstar-C-k-map "4" 'ws-set-marker-4)
81 (define-key wordstar-C-k-map "5" 'ws-set-marker-5)
82 (define-key wordstar-C-k-map "6" 'ws-set-marker-6)
83 (define-key wordstar-C-k-map "7" 'ws-set-marker-7)
84 (define-key wordstar-C-k-map "8" 'ws-set-marker-8)
85 (define-key wordstar-C-k-map "9" 'ws-set-marker-9)
86 (define-key wordstar-C-k-map "b" 'ws-begin-block)
87 (define-key wordstar-C-k-map "\C-b" 'ws-begin-block)
88 (define-key wordstar-C-k-map "c" 'ws-copy-block)
89 (define-key wordstar-C-k-map "\C-c" 'ws-copy-block)
90 (define-key wordstar-C-k-map "d" 'save-buffers-kill-emacs)
91 (define-key wordstar-C-k-map "\C-d" 'save-buffers-kill-emacs)
92 (define-key wordstar-C-k-map "f" 'find-file)
93 (define-key wordstar-C-k-map "\C-f" 'find-file)
94 (define-key wordstar-C-k-map "h" 'ws-show-markers)
95 (define-key wordstar-C-k-map "\C-h" 'ws-show-markers)
96 (define-key wordstar-C-k-map "i" 'ws-indent-block)
97 (define-key wordstar-C-k-map "\C-i" 'ws-indent-block)
98 (define-key wordstar-C-k-map "k" 'ws-end-block)
99 (define-key wordstar-C-k-map "\C-k" 'ws-end-block)
100 (define-key wordstar-C-k-map "p" 'ws-print-block)
101 (define-key wordstar-C-k-map "\C-p" 'ws-print-block)
102 (define-key wordstar-C-k-map "q" 'kill-emacs)
103 (define-key wordstar-C-k-map "\C-q" 'kill-emacs)
104 (define-key wordstar-C-k-map "r" 'insert-file)
105 (define-key wordstar-C-k-map "\C-r" 'insert-file)
106 (define-key wordstar-C-k-map "s" 'save-some-buffers)
107 (define-key wordstar-C-k-map "\C-s" 'save-some-buffers)
108 (define-key wordstar-C-k-map "t" 'ws-mark-word)
109 (define-key wordstar-C-k-map "\C-t" 'ws-mark-word)
110 (define-key wordstar-C-k-map "u" 'ws-exdent-block)
111 (define-key wordstar-C-k-map "\C-u" 'keyboard-quit)
112 (define-key wordstar-C-k-map "v" 'ws-move-block)
113 (define-key wordstar-C-k-map "\C-v" 'ws-move-block)
114 (define-key wordstar-C-k-map "w" 'ws-write-block)
115 (define-key wordstar-C-k-map "\C-w" 'ws-write-block)
116 (define-key wordstar-C-k-map "x" 'save-buffers-kill-emacs)
117 (define-key wordstar-C-k-map "\C-x" 'save-buffers-kill-emacs)
118 (define-key wordstar-C-k-map "y" 'ws-delete-block)
119 (define-key wordstar-C-k-map "\C-y" 'ws-delete-block)
a1506d29 120
fb1c6be2 121 ;; wordstar-C-j-map not yet implemented
a1506d29 122
fb1c6be2 123 ;; wordstar-C-o-map
a1506d29 124
fb1c6be2 125 (define-key wordstar-C-o-map " " ())
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126 (define-key wordstar-C-o-map "c" 'wordstar-center-line)
127 (define-key wordstar-C-o-map "\C-c" 'wordstar-center-line)
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128 (define-key wordstar-C-o-map "b" 'switch-to-buffer)
129 (define-key wordstar-C-o-map "\C-b" 'switch-to-buffer)
130 (define-key wordstar-C-o-map "j" 'justify-current-line)
131 (define-key wordstar-C-o-map "\C-j" 'justify-current-line)
132 (define-key wordstar-C-o-map "k" 'kill-buffer)
133 (define-key wordstar-C-o-map "\C-k" 'kill-buffer)
134 (define-key wordstar-C-o-map "l" 'list-buffers)
135 (define-key wordstar-C-o-map "\C-l" 'list-buffers)
136 (define-key wordstar-C-o-map "m" 'auto-fill-mode)
137 (define-key wordstar-C-o-map "\C-m" 'auto-fill-mode)
138 (define-key wordstar-C-o-map "r" 'set-fill-column)
139 (define-key wordstar-C-o-map "\C-r" 'set-fill-column)
140 (define-key wordstar-C-o-map "\C-u" 'keyboard-quit)
141 (define-key wordstar-C-o-map "wd" 'delete-other-windows)
142 (define-key wordstar-C-o-map "wh" 'split-window-horizontally)
143 (define-key wordstar-C-o-map "wo" 'other-window)
144 (define-key wordstar-C-o-map "wv" 'split-window-vertically)
a1506d29 145
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146 ;; wordstar-C-q-map
147 (define-key wordstar-C-q-map " " ())
148 (define-key wordstar-C-q-map "0" 'ws-find-marker-0)
149 (define-key wordstar-C-q-map "1" 'ws-find-marker-1)
150 (define-key wordstar-C-q-map "2" 'ws-find-marker-2)
151 (define-key wordstar-C-q-map "3" 'ws-find-marker-3)
152 (define-key wordstar-C-q-map "4" 'ws-find-marker-4)
153 (define-key wordstar-C-q-map "5" 'ws-find-marker-5)
154 (define-key wordstar-C-q-map "6" 'ws-find-marker-6)
155 (define-key wordstar-C-q-map "7" 'ws-find-marker-7)
156 (define-key wordstar-C-q-map "8" 'ws-find-marker-8)
157 (define-key wordstar-C-q-map "9" 'ws-find-marker-9)
158 (define-key wordstar-C-q-map "a" 'ws-query-replace)
159 (define-key wordstar-C-q-map "\C-a" 'ws-query-replace)
160 (define-key wordstar-C-q-map "b" 'ws-goto-block-begin)
161 (define-key wordstar-C-q-map "\C-b" 'ws-goto-block-begin)
162 (define-key wordstar-C-q-map "c" 'end-of-buffer)
163 (define-key wordstar-C-q-map "\C-c" 'end-of-buffer)
164 (define-key wordstar-C-q-map "d" 'end-of-line)
165 (define-key wordstar-C-q-map "\C-d" 'end-of-line)
166 (define-key wordstar-C-q-map "f" 'ws-search)
167 (define-key wordstar-C-q-map "\C-f" 'ws-search)
168 (define-key wordstar-C-q-map "k" 'ws-goto-block-end)
169 (define-key wordstar-C-q-map "\C-k" 'ws-goto-block-end)
170 (define-key wordstar-C-q-map "l" 'ws-undo)
171 (define-key wordstar-C-q-map "\C-l" 'ws-undo)
172 (define-key wordstar-C-q-map "p" 'ws-last-cursorp)
173 (define-key wordstar-C-q-map "\C-p" 'ws-last-cursorp)
174 (define-key wordstar-C-q-map "r" 'beginning-of-buffer)
175 (define-key wordstar-C-q-map "\C-r" 'beginning-of-buffer)
176 (define-key wordstar-C-q-map "s" 'beginning-of-line)
177 (define-key wordstar-C-q-map "\C-s" 'beginning-of-line)
178 (define-key wordstar-C-q-map "\C-u" 'keyboard-quit)
179 (define-key wordstar-C-q-map "w" 'ws-last-error)
180 (define-key wordstar-C-q-map "\C-w" 'ws-last-error)
181 (define-key wordstar-C-q-map "y" 'ws-kill-eol)
182 (define-key wordstar-C-q-map "\C-y" 'ws-kill-eol)
183 (define-key wordstar-C-q-map "\177" 'ws-kill-bol))
184
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185(put 'wordstar-mode 'mode-class 'special)
186
dd64d807 187;;;###autoload
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188(defun wordstar-mode ()
189 "Major mode with WordStar-like key bindings.
190
191BUGS:
192 - Help menus with WordStar commands (C-j just calls help-for-help)
193 are not implemented
194 - Options for search and replace
195 - Show markers (C-k h) is somewhat strange
196 - Search and replace (C-q a) is only available in forward direction
197
198No key bindings beginning with ESC are installed, they will work
199Emacs-like.
200
201The key bindings are:
202
203 C-a backward-word
204 C-b fill-paragraph
205 C-c scroll-up-line
206 C-d forward-char
207 C-e previous-line
208 C-f forward-word
209 C-g delete-char
210 C-h backward-char
211 C-i indent-for-tab-command
212 C-j help-for-help
213 C-k ordstar-C-k-map
214 C-l ws-repeat-search
215 C-n open-line
216 C-p quoted-insert
217 C-r scroll-down-line
218 C-s backward-char
219 C-t kill-word
220 C-u keyboard-quit
221 C-v overwrite-mode
222 C-w scroll-down
223 C-x next-line
224 C-y kill-complete-line
225 C-z scroll-up
226
227 C-k 0 ws-set-marker-0
228 C-k 1 ws-set-marker-1
229 C-k 2 ws-set-marker-2
230 C-k 3 ws-set-marker-3
231 C-k 4 ws-set-marker-4
232 C-k 5 ws-set-marker-5
233 C-k 6 ws-set-marker-6
234 C-k 7 ws-set-marker-7
235 C-k 8 ws-set-marker-8
236 C-k 9 ws-set-marker-9
237 C-k b ws-begin-block
238 C-k c ws-copy-block
239 C-k d save-buffers-kill-emacs
240 C-k f find-file
241 C-k h ws-show-markers
242 C-k i ws-indent-block
243 C-k k ws-end-block
244 C-k p ws-print-block
245 C-k q kill-emacs
246 C-k r insert-file
247 C-k s save-some-buffers
248 C-k t ws-mark-word
249 C-k u ws-exdent-block
250 C-k C-u keyboard-quit
251 C-k v ws-move-block
252 C-k w ws-write-block
253 C-k x kill-emacs
254 C-k y ws-delete-block
255
2486eb97 256 C-o c wordstar-center-line
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257 C-o b switch-to-buffer
258 C-o j justify-current-line
259 C-o k kill-buffer
260 C-o l list-buffers
261 C-o m auto-fill-mode
262 C-o r set-fill-column
263 C-o C-u keyboard-quit
264 C-o wd delete-other-windows
265 C-o wh split-window-horizontally
266 C-o wo other-window
267 C-o wv split-window-vertically
268
269 C-q 0 ws-find-marker-0
270 C-q 1 ws-find-marker-1
271 C-q 2 ws-find-marker-2
272 C-q 3 ws-find-marker-3
273 C-q 4 ws-find-marker-4
274 C-q 5 ws-find-marker-5
275 C-q 6 ws-find-marker-6
276 C-q 7 ws-find-marker-7
277 C-q 8 ws-find-marker-8
278 C-q 9 ws-find-marker-9
279 C-q a ws-query-replace
280 C-q b ws-to-block-begin
281 C-q c end-of-buffer
282 C-q d end-of-line
283 C-q f ws-search
284 C-q k ws-to-block-end
285 C-q l ws-undo
286 C-q p ws-last-cursorp
287 C-q r beginning-of-buffer
288 C-q C-u keyboard-quit
289 C-q w ws-last-error
290 C-q y ws-kill-eol
291 C-q DEL ws-kill-bol
292"
293 (interactive)
294 (kill-all-local-variables)
295 (use-local-map wordstar-mode-map)
296 (setq mode-name "WordStar")
d73769eb 297 (setq major-mode 'wordstar-mode)
b98d0467 298 (run-mode-hooks 'wordstar-mode-hook))
6b185759 299
fb1c6be2 300
2486eb97 301(defun wordstar-center-paragraph ()
fb1c6be2 302 "Center each line in the paragraph at or after point.
2486eb97 303See `wordstar-center-line' for more info."
fb1c6be2
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304 (interactive)
305 (save-excursion
306 (forward-paragraph)
307 (or (bolp) (newline 1))
308 (let ((end (point)))
309 (backward-paragraph)
2486eb97 310 (wordstar-center-region (point) end))))
fb1c6be2 311
2486eb97 312(defun wordstar-center-region (from to)
fb1c6be2 313 "Center each line starting in the region.
2486eb97 314See `wordstar-center-line' for more info."
fb1c6be2
JB
315 (interactive "r")
316 (if (> from to)
317 (let ((tem to))
318 (setq to from from tem)))
319 (save-excursion
320 (save-restriction
321 (narrow-to-region from to)
322 (goto-char from)
323 (while (not (eobp))
2486eb97 324 (wordstar-center-line)
fb1c6be2
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325 (forward-line 1)))))
326
2486eb97 327(defun wordstar-center-line ()
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328 "Center the line point is on, within the width specified by `fill-column'.
329This means adjusting the indentation to match
330the distance between the end of the text and `fill-column'."
331 (interactive)
332 (save-excursion
333 (let (line-length)
334 (beginning-of-line)
335 (delete-horizontal-space)
336 (end-of-line)
337 (delete-horizontal-space)
338 (setq line-length (current-column))
339 (beginning-of-line)
a1506d29
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340 (indent-to
341 (+ left-margin
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342 (/ (- fill-column left-margin line-length) 2))))))
343
344(defun scroll-down-line ()
345 "Scroll one line down."
346 (interactive)
347 (scroll-down 1))
348
349(defun scroll-up-line ()
350 "Scroll one line up."
351 (interactive)
352 (scroll-up 1))
353
354;;;;;;;;;;;
355;; wordstar special variables:
356
357(defvar ws-marker-0 nil "Position marker 0 in WordStar mode.")
358(defvar ws-marker-1 nil "Position marker 1 in WordStar mode.")
359(defvar ws-marker-2 nil "Position marker 2 in WordStar mode.")
360(defvar ws-marker-3 nil "Position marker 3 in WordStar mode.")
361(defvar ws-marker-4 nil "Position marker 4 in WordStar mode.")
362(defvar ws-marker-5 nil "Position marker 5 in WordStar mode.")
363(defvar ws-marker-6 nil "Position marker 6 in WordStar mode.")
364(defvar ws-marker-7 nil "Position marker 7 in WordStar mode.")
365(defvar ws-marker-8 nil "Position marker 8 in WordStar mode.")
366(defvar ws-marker-9 nil "Position marker 9 in WordStar mode.")
367
368(defvar ws-block-begin-marker nil "Beginning of \"Block\" in WordStar mode.")
369(defvar ws-block-end-marker nil "End of \"Block\" in WordStar mode.")
370
371(defvar ws-search-string nil "String of last search in WordStar mode.")
a1506d29 372(defvar ws-search-direction t
f0529b5b 373 "Direction of last search in WordStar mode. t if forward, nil if backward.")
fb1c6be2 374
a1506d29 375(defvar ws-last-cursorposition nil
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376 "Position before last search etc. in WordStar mode.")
377
a1506d29 378(defvar ws-last-errormessage nil
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379 "Last error message issued by a WordStar mode function.")
380
381;;;;;;;;;;;
382;; wordstar special functions:
383
384(defun ws-error (string)
385 "Report error of a WordStar special function. Error message is saved
386in ws-last-errormessage for recovery with C-q w."
387 (setq ws-last-errormessage string)
388 (error string))
389
390(defun ws-set-marker-0 ()
391 "In WordStar mode: Set marker 0 to current cursor position."
392 (interactive)
393 (setq ws-marker-0 (point-marker))
394 (message "Marker 0 set"))
395
396(defun ws-set-marker-1 ()
397 "In WordStar mode: Set marker 1 to current cursor position."
398 (interactive)
399 (setq ws-marker-1 (point-marker))
400 (message "Marker 1 set"))
401
402(defun ws-set-marker-2 ()
403 "In WordStar mode: Set marker 2 to current cursor position."
404 (interactive)
405 (setq ws-marker-2 (point-marker))
406 (message "Marker 2 set"))
407
408(defun ws-set-marker-3 ()
409 "In WordStar mode: Set marker 3 to current cursor position."
410 (interactive)
411 (setq ws-marker-3 (point-marker))
412 (message "Marker 3 set"))
413
414(defun ws-set-marker-4 ()
415 "In WordStar mode: Set marker 4 to current cursor position."
416 (interactive)
417 (setq ws-marker-4 (point-marker))
418 (message "Marker 4 set"))
419
420(defun ws-set-marker-5 ()
421 "In WordStar mode: Set marker 5 to current cursor position."
422 (interactive)
423 (setq ws-marker-5 (point-marker))
424 (message "Marker 5 set"))
425
426(defun ws-set-marker-6 ()
427 "In WordStar mode: Set marker 6 to current cursor position."
428 (interactive)
429 (setq ws-marker-6 (point-marker))
430 (message "Marker 6 set"))
431
432(defun ws-set-marker-7 ()
433 "In WordStar mode: Set marker 7 to current cursor position."
434 (interactive)
435 (setq ws-marker-7 (point-marker))
436 (message "Marker 7 set"))
437
438(defun ws-set-marker-8 ()
439 "In WordStar mode: Set marker 8 to current cursor position."
440 (interactive)
441 (setq ws-marker-8 (point-marker))
442 (message "Marker 8 set"))
443
444(defun ws-set-marker-9 ()
445 "In WordStar mode: Set marker 9 to current cursor position."
446 (interactive)
447 (setq ws-marker-9 (point-marker))
448 (message "Marker 9 set"))
449
450(defun ws-begin-block ()
451 "In WordStar mode: Set block begin marker to current cursor position."
452 (interactive)
453 (setq ws-block-begin-marker (point-marker))
454 (message "Block begin marker set"))
455
456(defun ws-show-markers ()
457 "In WordStar mode: Show block markers."
458 (interactive)
459 (if (or ws-block-begin-marker ws-block-end-marker)
460 (save-excursion
461 (if ws-block-begin-marker
462 (let ()
463 (goto-char ws-block-begin-marker)
464 (message "Block begin marker")
465 (sit-for 2))
466 (message "Block begin marker not set")
467 (sit-for 2))
468 (if ws-block-end-marker
469 (let ()
470 (goto-char ws-block-end-marker)
471 (message "Block end marker")
472 (sit-for 2))
473 (message "Block end marker not set"))
474 (message ""))
475 (message "Block markers not set")))
476
477
478(defun ws-indent-block ()
eb8c3be9 479 "In WordStar mode: Indent block (not yet implemented)."
fb1c6be2
JB
480 (interactive)
481 (ws-error "Indent block not yet implemented"))
482
483(defun ws-end-block ()
484 "In WordStar mode: Set block end marker to current cursor position."
485 (interactive)
486 (setq ws-block-end-marker (point-marker))
487 (message "Block end marker set"))
488
489(defun ws-print-block ()
490 "In WordStar mode: Print block."
491 (interactive)
492 (message "Don't do this. Write block to a file (C-k w) and print this file."))
493
494(defun ws-mark-word ()
495 "In WordStar mode: Mark current word as block."
496 (interactive)
497 (save-excursion
6b185759 498 (forward-word 1)
fb1c6be2
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499 (sit-for 1)
500 (ws-end-block)
6b185759 501 (forward-word -1)
fb1c6be2
JB
502 (sit-for 1)
503 (ws-begin-block)))
504
505(defun ws-exdent-block ()
506 "I don't know what this (C-k u) should do."
507 (interactive)
508 (ws-error "This won't be done -- not yet implemented."))
509
510(defun ws-move-block ()
511 "In WordStar mode: Move block to current cursor position."
512 (interactive)
513 (if (and ws-block-begin-marker ws-block-end-marker)
a1506d29 514 (let ()
6b185759 515 (kill-region ws-block-begin-marker ws-block-end-marker)
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516 (yank)
517 (save-excursion
518 (goto-char (region-beginning))
519 (setq ws-block-begin-marker (point-marker))
520 (goto-char (region-end))
521 (setq ws-block-end-marker (point-marker))))
522 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
523 (ws-block-end-marker "Block begin marker not set")
524 (t "Block markers not set")))))
525
526(defun ws-write-block ()
527 "In WordStar mode: Write block to file."
528 (interactive)
529 (if (and ws-block-begin-marker ws-block-end-marker)
530 (let ((filename (read-file-name "Write block to file: ")))
531 (write-region ws-block-begin-marker ws-block-end-marker filename))
532 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
533 (ws-block-end-marker "Block begin marker not set")
534 (t "Block markers not set")))))
535
536
537(defun ws-delete-block ()
538 "In WordStar mode: Delete block."
539 (interactive)
540 (if (and ws-block-begin-marker ws-block-end-marker)
541 (let ()
542 (kill-region ws-block-begin-marker ws-block-end-marker)
543 (setq ws-block-end-marker nil)
544 (setq ws-block-begin-marker nil))
545 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
546 (ws-block-end-marker "Block begin marker not set")
547 (t "Block markers not set")))))
548
549(defun ws-find-marker-0 ()
550 "In WordStar mode: Go to marker 0."
551 (interactive)
552 (if ws-marker-0
553 (let ()
554 (setq ws-last-cursorposition (point-marker))
555 (goto-char ws-marker-0))
556 (ws-error "Marker 0 not set")))
557
558(defun ws-find-marker-1 ()
559 "In WordStar mode: Go to marker 1."
560 (interactive)
561 (if ws-marker-1
562 (let ()
563 (setq ws-last-cursorposition (point-marker))
564 (goto-char ws-marker-1))
565 (ws-error "Marker 1 not set")))
566
567(defun ws-find-marker-2 ()
568 "In WordStar mode: Go to marker 2."
569 (interactive)
570 (if ws-marker-2
571 (let ()
572 (setq ws-last-cursorposition (point-marker))
573 (goto-char ws-marker-2))
574 (ws-error "Marker 2 not set")))
575
576(defun ws-find-marker-3 ()
577 "In WordStar mode: Go to marker 3."
578 (interactive)
579 (if ws-marker-3
580 (let ()
581 (setq ws-last-cursorposition (point-marker))
582 (goto-char ws-marker-3))
583 (ws-error "Marker 3 not set")))
584
585(defun ws-find-marker-4 ()
586 "In WordStar mode: Go to marker 4."
587 (interactive)
588 (if ws-marker-4
589 (let ()
590 (setq ws-last-cursorposition (point-marker))
591 (goto-char ws-marker-4))
592 (ws-error "Marker 4 not set")))
593
594(defun ws-find-marker-5 ()
595 "In WordStar mode: Go to marker 5."
596 (interactive)
597 (if ws-marker-5
598 (let ()
599 (setq ws-last-cursorposition (point-marker))
600 (goto-char ws-marker-5))
601 (ws-error "Marker 5 not set")))
602
603(defun ws-find-marker-6 ()
604 "In WordStar mode: Go to marker 6."
605 (interactive)
606 (if ws-marker-6
607 (let ()
608 (setq ws-last-cursorposition (point-marker))
609 (goto-char ws-marker-6))
610 (ws-error "Marker 6 not set")))
611
612(defun ws-find-marker-7 ()
613 "In WordStar mode: Go to marker 7."
614 (interactive)
615 (if ws-marker-7
616 (let ()
617 (setq ws-last-cursorposition (point-marker))
618 (goto-char ws-marker-7))
619 (ws-error "Marker 7 not set")))
620
621(defun ws-find-marker-8 ()
622 "In WordStar mode: Go to marker 8."
623 (interactive)
624 (if ws-marker-8
625 (let ()
626 (setq ws-last-cursorposition (point-marker))
627 (goto-char ws-marker-8))
628 (ws-error "Marker 8 not set")))
629
630(defun ws-find-marker-9 ()
631 "In WordStar mode: Go to marker 9."
632 (interactive)
633 (if ws-marker-9
634 (let ()
635 (setq ws-last-cursorposition (point-marker))
636 (goto-char ws-marker-9))
637 (ws-error "Marker 9 not set")))
638
639(defun ws-goto-block-begin ()
640 "In WordStar mode: Go to block begin marker."
641 (interactive)
642 (if ws-block-begin-marker
643 (let ()
644 (setq ws-last-cursorposition (point-marker))
645 (goto-char ws-block-begin-marker))
646 (ws-error "Block begin marker not set")))
647
648(defun ws-search (string)
649 "In WordStar mode: Search string, remember string for repetition."
650 (interactive "sSearch for: ")
651 (message "Forward (f) or backward (b)")
652 (let ((direction
653 (read-char)))
9c481732 654 (cond ((equal (upcase direction) ?F)
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655 (setq ws-search-string string)
656 (setq ws-search-direction t)
657 (setq ws-last-cursorposition (point-marker))
658 (search-forward string))
9c481732 659 ((equal (upcase direction) ?B)
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660 (setq ws-search-string string)
661 (setq ws-search-direction nil)
662 (setq ws-last-cursorposition (point-marker))
663 (search-backward string))
664 (t (keyboard-quit)))))
665
666(defun ws-goto-block-end ()
667 "In WordStar mode: Go to block end marker."
668 (interactive)
669 (if ws-block-end-marker
670 (let ()
671 (setq ws-last-cursorposition (point-marker))
672 (goto-char ws-block-end-marker))
673 (ws-error "Block end marker not set")))
674
675(defun ws-undo ()
676 "In WordStar mode: Undo and give message about undoing more changes."
677 (interactive)
678 (undo)
679 (message "Repeat C-q l to undo more changes."))
680
681(defun ws-goto-last-cursorposition ()
682 "In WordStar mode: "
683 (interactive)
684 (if ws-last-cursorposition
685 (let ()
686 (setq ws-last-cursorposition (point-marker))
687 (goto-char ws-last-cursorposition))
688 (ws-error "No last cursor position available.")))
689
690(defun ws-last-error ()
691 "In WordStar mode: repeat last error message.
692This will only work for errors raised by WordStar mode functions."
693 (interactive)
694 (if ws-last-errormessage
7b8a295e 695 (message "%s" ws-last-errormessage)
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696 (message "No WordStar error yet.")))
697
698(defun ws-kill-eol ()
699 "In WordStar mode: Kill to end of line (like WordStar, not like Emacs)."
700 (interactive)
701 (let ((p (point)))
702 (end-of-line)
703 (kill-region p (point))))
704
705(defun ws-kill-bol ()
a1506d29 706 "In WordStar mode: Kill to beginning of line
a4e104bf 707\(like WordStar, not like Emacs)."
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708 (interactive)
709 (let ((p (point)))
710 (beginning-of-line)
711 (kill-region (point) p)))
712
713(defun kill-complete-line ()
714 "Kill the complete line."
715 (interactive)
716 (beginning-of-line)
717 (if (eobp) (error "End of buffer"))
718 (let ((beg (point)))
719 (forward-line 1)
720 (kill-region beg (point))))
721
722(defun ws-repeat-search ()
723 "In WordStar mode: Repeat last search."
724 (interactive)
725 (setq ws-last-cursorposition (point-marker))
726 (if ws-search-string
727 (if ws-search-direction
728 (search-forward ws-search-string)
729 (search-backward ws-search-string))
730 (ws-error "No search to repeat")))
731
732(defun ws-query-replace (from to)
733 "In WordStar mode: Search string, remember string for repetition."
a1506d29 734 (interactive "sReplace:
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735sWith: " )
736 (setq ws-search-string from)
737 (setq ws-search-direction t)
738 (setq ws-last-cursorposition (point-marker))
739 (query-replace from to))
740
741(defun ws-copy-block ()
742 "In WordStar mode: Copy block to current cursor position."
743 (interactive)
744 (if (and ws-block-begin-marker ws-block-end-marker)
745 (let ()
746 (copy-region-as-kill ws-block-begin-marker ws-block-end-marker)
747 (yank)
748 (save-excursion
749 (goto-char (region-beginning))
750 (setq ws-block-begin-marker (point-marker))
751 (goto-char (region-end))
752 (setq ws-block-end-marker (point-marker))))
753 (ws-error (cond (ws-block-begin-marker "Block end marker not set")
754 (ws-block-end-marker "Block begin marker not set")
755 (t "Block markers not set")))))
76d7458e 756
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757(provide 'ws-mode)
758
cbee283d 759;; arch-tag: 6dd864bf-2ccb-4d59-af6e-492eba2890a3
76d7458e 760;;; ws-mode.el ends here