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1 | ;;; cua-rect.el --- CUA unified rectangle support |
2 | ||
3 | ;; Copyright (C) 1997-2002 Free Software Foundation, Inc. | |
4 | ||
5 | ;; Author: Kim F. Storm <storm@cua.dk> | |
6 | ;; Keywords: keyboard emulations convenience CUA | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Acknowledgements | |
26 | ||
27 | ;; The rectangle handling and display code borrows from the standard | |
aa87aafc | 28 | ;; GNU emacs rect.el package and the rect-mark.el package by Rick |
72cc582e KS |
29 | ;; Sladkey <jrs@world.std.com>. |
30 | ||
30764597 PJ |
31 | ;;; Commentary: |
32 | ||
33 | ;;; Code: | |
34 | ||
72cc582e KS |
35 | (provide 'cua-rect) |
36 | ||
37 | (eval-when-compile | |
38 | (require 'cua-base) | |
39 | (require 'cua-gmrk) | |
40 | ) | |
41 | ||
42 | ;;; Rectangle support | |
43 | ||
44 | (require 'rect) | |
45 | ||
46 | ;; If non-nil, restrict current region to this rectangle. | |
47 | ;; Value is a vector [top bot left right corner ins pad select]. | |
48 | ;; CORNER specifies currently active corner 0=t/l 1=t/r 2=b/l 3=b/r. | |
49 | ;; INS specifies whether to insert on left(nil) or right(t) side. | |
50 | ;; If PAD is non-nil, tabs are converted to spaces when necessary. | |
51 | ;; If SELECT is a regexp, only lines starting with that regexp are affected.") | |
52 | (defvar cua--rectangle nil) | |
53 | (make-variable-buffer-local 'cua--rectangle) | |
54 | ||
55 | ;; Most recent rectangle geometry. Note: car is buffer. | |
56 | (defvar cua--last-rectangle nil) | |
57 | ||
58 | ;; Rectangle restored by undo. | |
59 | (defvar cua--restored-rectangle nil) | |
60 | ||
61 | ;; Last rectangle copied/killed; nil if last kill was not a rectangle. | |
62 | (defvar cua--last-killed-rectangle nil) | |
63 | ||
64 | ;; List of overlays used to display current rectangle. | |
65 | (defvar cua--rectangle-overlays nil) | |
66 | (make-variable-buffer-local 'cua--rectangle-overlays) | |
67 | ||
68 | ;; Per-buffer CUA mode undo list. | |
69 | (defvar cua--undo-list nil) | |
70 | (make-variable-buffer-local 'cua--undo-list) | |
71 | ||
72 | ;; Record undo boundary for rectangle undo. | |
73 | (defun cua--rectangle-undo-boundary () | |
74 | (when (listp buffer-undo-list) | |
75 | (if (> (length cua--undo-list) cua-undo-max) | |
76 | (setcdr (nthcdr (1- cua-undo-max) cua--undo-list) nil)) | |
77 | (undo-boundary) | |
78 | (setq cua--undo-list | |
79 | (cons (cons (cdr buffer-undo-list) (copy-sequence cua--rectangle)) cua--undo-list)))) | |
80 | ||
81 | (defun cua--rectangle-undo (&optional arg) | |
82 | "Undo some previous changes. | |
83 | Knows about CUA rectangle highlighting in addition to standard undo." | |
84 | (interactive "*P") | |
85 | (if cua--rectangle | |
86 | (cua--rectangle-undo-boundary)) | |
87 | (undo arg) | |
88 | (let ((l cua--undo-list)) | |
89 | (while l | |
90 | (if (eq (car (car l)) pending-undo-list) | |
a1506d29 | 91 | (setq cua--restored-rectangle |
72cc582e KS |
92 | (and (vectorp (cdr (car l))) (cdr (car l))) |
93 | l nil) | |
94 | (setq l (cdr l))))) | |
95 | (setq cua--buffer-and-point-before-command nil)) | |
96 | ||
97 | (defvar cua--tidy-undo-counter 0 | |
98 | "Number of times `cua--tidy-undo-lists' have run successfully.") | |
99 | ||
100 | ;; Clean out danling entries from cua's undo list. | |
101 | ;; Since this list contains pointers into the standard undo list, | |
102 | ;; such references are only meningful as undo information if the | |
103 | ;; corresponding entry is still on the standard undo list. | |
104 | ||
105 | (defun cua--tidy-undo-lists (&optional clean) | |
106 | (let ((buffers (buffer-list)) (cnt cua--tidy-undo-counter)) | |
107 | (while (and buffers (or clean (not (input-pending-p)))) | |
108 | (with-current-buffer (car buffers) | |
109 | (when (local-variable-p 'cua--undo-list) | |
110 | (if (or clean (null cua--undo-list) (eq buffer-undo-list t)) | |
111 | (progn | |
112 | (kill-local-variable 'cua--undo-list) | |
113 | (setq cua--tidy-undo-counter (1+ cua--tidy-undo-counter))) | |
114 | (let* ((bul buffer-undo-list) | |
115 | (cul (cons nil cua--undo-list)) | |
116 | (cc (car (car (cdr cul))))) | |
117 | (while (and bul cc) | |
118 | (if (setq bul (memq cc bul)) | |
119 | (setq cul (cdr cul) | |
120 | cc (and (cdr cul) (car (car (cdr cul))))))) | |
121 | (when cc | |
122 | (if cua--debug | |
123 | (setq cc (length (cdr cul)))) | |
124 | (if (eq (cdr cul) cua--undo-list) | |
125 | (setq cua--undo-list nil) | |
126 | (setcdr cul nil)) | |
127 | (setq cua--tidy-undo-counter (1+ cua--tidy-undo-counter)) | |
128 | (if cua--debug | |
a1506d29 | 129 | (message "Clean undo list in %s (%d)" |
72cc582e KS |
130 | (buffer-name) cc))))))) |
131 | (setq buffers (cdr buffers))) | |
132 | (/= cnt cua--tidy-undo-counter))) | |
133 | ||
134 | ;;; Rectangle geometry | |
135 | ||
136 | (defun cua--rectangle-top (&optional val) | |
137 | ;; Top of CUA rectangle (buffer position on first line). | |
138 | (if (not val) | |
139 | (aref cua--rectangle 0) | |
140 | (setq val (line-beginning-position)) | |
141 | (if (<= val (aref cua--rectangle 1)) | |
142 | (aset cua--rectangle 0 val) | |
143 | (aset cua--rectangle 1 val) | |
144 | (cua--rectangle-corner 2)))) | |
145 | ||
146 | (defun cua--rectangle-bot (&optional val) | |
147 | ;; Bot of CUA rectangle (buffer position on last line). | |
148 | (if (not val) | |
149 | (aref cua--rectangle 1) | |
150 | (setq val (line-end-position)) | |
151 | (if (>= val (aref cua--rectangle 0)) | |
152 | (aset cua--rectangle 1 val) | |
153 | (aset cua--rectangle 0 val) | |
154 | (cua--rectangle-corner 2)))) | |
155 | ||
156 | (defun cua--rectangle-left (&optional val) | |
157 | ;; Left column of CUA rectangle. | |
158 | (if (integerp val) | |
159 | (if (<= val (aref cua--rectangle 3)) | |
160 | (aset cua--rectangle 2 val) | |
161 | (aset cua--rectangle 3 val) | |
162 | (cua--rectangle-corner (if (cua--rectangle-right-side) -1 1))) | |
163 | (aref cua--rectangle 2))) | |
164 | ||
165 | (defun cua--rectangle-right (&optional val) | |
166 | ;; Right column of CUA rectangle. | |
167 | (if (integerp val) | |
168 | (if (>= val (aref cua--rectangle 2)) | |
169 | (aset cua--rectangle 3 val) | |
170 | (aset cua--rectangle 2 val) | |
171 | (cua--rectangle-corner (if (cua--rectangle-right-side) -1 1))) | |
172 | (aref cua--rectangle 3))) | |
173 | ||
174 | (defun cua--rectangle-corner (&optional advance) | |
175 | ;; Currently active corner of rectangle. | |
176 | (let ((c (aref cua--rectangle 4))) | |
177 | (if (not (integerp advance)) | |
178 | c | |
a1506d29 | 179 | (aset cua--rectangle 4 |
72cc582e KS |
180 | (if (= advance 0) |
181 | (- 3 c) ; opposite corner | |
182 | (mod (+ c 4 advance) 4))) | |
183 | (aset cua--rectangle 5 0)))) | |
184 | ||
185 | (defun cua--rectangle-right-side (&optional topbot) | |
186 | ;; t if point is on right side of rectangle. | |
187 | (if (and topbot (= (cua--rectangle-left) (cua--rectangle-right))) | |
188 | (< (cua--rectangle-corner) 2) | |
189 | (= (mod (cua--rectangle-corner) 2) 1))) | |
190 | ||
191 | (defun cua--rectangle-column () | |
192 | (if (cua--rectangle-right-side) | |
193 | (cua--rectangle-right) | |
194 | (cua--rectangle-left))) | |
195 | ||
196 | (defun cua--rectangle-insert-col (&optional col) | |
197 | ;; Currently active corner of rectangle. | |
198 | (if (integerp col) | |
199 | (aset cua--rectangle 5 col) | |
200 | (if (cua--rectangle-right-side t) | |
201 | (if (= (aref cua--rectangle 5) 0) | |
202 | (1+ (cua--rectangle-right)) | |
203 | (aref cua--rectangle 5)) | |
204 | (cua--rectangle-left)))) | |
205 | ||
206 | (defun cua--rectangle-padding (&optional set val) | |
207 | ;; Current setting of rectangle padding | |
208 | (if set | |
209 | (aset cua--rectangle 6 val)) | |
210 | (and (not buffer-read-only) | |
211 | (aref cua--rectangle 6))) | |
212 | ||
213 | (defun cua--rectangle-restriction (&optional val bounded negated) | |
214 | ;; Current rectangle restriction | |
215 | (if val | |
216 | (aset cua--rectangle 7 | |
217 | (and (stringp val) | |
218 | (> (length val) 0) | |
219 | (list val bounded negated))) | |
220 | (aref cua--rectangle 7))) | |
221 | ||
222 | (defun cua--rectangle-assert () | |
223 | (message "%S (%d)" cua--rectangle (point)) | |
224 | (if (< (cua--rectangle-right) (cua--rectangle-left)) | |
225 | (message "rectangle right < left")) | |
226 | (if (< (cua--rectangle-bot) (cua--rectangle-top)) | |
227 | (message "rectangle bot < top"))) | |
228 | ||
229 | (defun cua--rectangle-get-corners (&optional pad) | |
230 | ;; Calculate the rectangular region represented by point and mark, | |
231 | ;; putting start in the upper left corner and end in the | |
232 | ;; bottom right corner. | |
233 | (let ((top (point)) (bot (mark)) r l corner) | |
234 | (save-excursion | |
235 | (goto-char top) | |
236 | (setq l (current-column)) | |
237 | (goto-char bot) | |
238 | (setq r (current-column)) | |
239 | (if (<= top bot) | |
240 | (setq corner (if (<= l r) 0 1)) | |
241 | (setq top (prog1 bot (setq bot top))) | |
242 | (setq corner (if (<= l r) 2 3))) | |
243 | (if (<= l r) | |
244 | (if (< l r) | |
245 | (setq r (1- r))) | |
246 | (setq l (prog1 r (setq r l))) | |
247 | (goto-char top) | |
248 | (move-to-column l pad) | |
249 | (setq top (point)) | |
250 | (goto-char bot) | |
251 | (move-to-column r pad) | |
252 | (setq bot (point)))) | |
253 | (vector top bot l r corner 0 pad nil))) | |
254 | ||
255 | (defun cua--rectangle-set-corners () | |
256 | ;; Set mark and point in opposite corners of current rectangle. | |
257 | (let (pp pc mp mc (c (cua--rectangle-corner))) | |
258 | (cond | |
259 | ((= c 0) ; top/left -> bot/right | |
260 | (setq pp (cua--rectangle-top) pc (cua--rectangle-left) | |
261 | mp (cua--rectangle-bot) mc (cua--rectangle-right))) | |
262 | ((= c 1) ; top/right -> bot/left | |
263 | (setq pp (cua--rectangle-top) pc (cua--rectangle-right) | |
264 | mp (cua--rectangle-bot) mc (cua--rectangle-left))) | |
265 | ((= c 2) ; bot/left -> top/right | |
266 | (setq pp (cua--rectangle-bot) pc (cua--rectangle-left) | |
267 | mp (cua--rectangle-top) mc (cua--rectangle-right))) | |
268 | ((= c 3) ; bot/right -> top/left | |
269 | (setq pp (cua--rectangle-bot) pc (cua--rectangle-right) | |
270 | mp (cua--rectangle-top) mc (cua--rectangle-left)))) | |
271 | (goto-char mp) | |
272 | (move-to-column mc (cua--rectangle-padding)) | |
273 | (set-mark (point)) | |
274 | (goto-char pp) | |
275 | (move-to-column pc (cua--rectangle-padding)))) | |
276 | ||
277 | ;;; Rectangle resizing | |
278 | ||
279 | (defun cua--forward-line (n pad) | |
280 | ;; Move forward/backward one line. Returns t if movement. | |
281 | (if (or (not pad) (< n 0)) | |
282 | (= (forward-line n) 0) | |
283 | (next-line 1) | |
284 | t)) | |
285 | ||
286 | (defun cua--rectangle-resized () | |
287 | ;; Refresh state after resizing rectangle | |
288 | (setq cua--buffer-and-point-before-command nil) | |
289 | (cua--pad-rectangle) | |
290 | (cua--rectangle-insert-col 0) | |
291 | (cua--rectangle-set-corners) | |
292 | (cua--keep-active)) | |
293 | ||
294 | (defun cua-resize-rectangle-right (n) | |
295 | "Resize rectangle to the right." | |
296 | (interactive "p") | |
297 | (let ((pad (cua--rectangle-padding)) (resized (> n 0))) | |
298 | (while (> n 0) | |
299 | (setq n (1- n)) | |
300 | (cond | |
301 | ((and (cua--rectangle-right-side) (or pad (eolp))) | |
302 | (cua--rectangle-right (1+ (cua--rectangle-right))) | |
303 | (move-to-column (cua--rectangle-right) pad)) | |
304 | ((cua--rectangle-right-side) | |
a1506d29 | 305 | (forward-char 1) |
72cc582e | 306 | (cua--rectangle-right (current-column))) |
a1506d29 | 307 | ((or pad (eolp)) |
72cc582e KS |
308 | (cua--rectangle-left (1+ (cua--rectangle-left))) |
309 | (move-to-column (cua--rectangle-right) pad)) | |
310 | (t | |
311 | (forward-char 1) | |
312 | (cua--rectangle-left (current-column))))) | |
313 | (if resized | |
314 | (cua--rectangle-resized)))) | |
315 | ||
316 | (defun cua-resize-rectangle-left (n) | |
317 | "Resize rectangle to the left." | |
318 | (interactive "p") | |
319 | (let ((pad (cua--rectangle-padding)) resized) | |
320 | (while (> n 0) | |
321 | (setq n (1- n)) | |
322 | (if (or (= (cua--rectangle-right) 0) | |
323 | (and (not (cua--rectangle-right-side)) (= (cua--rectangle-left) 0))) | |
324 | (setq n 0) | |
325 | (cond | |
326 | ((and (cua--rectangle-right-side) (or pad (eolp) (bolp))) | |
327 | (cua--rectangle-right (1- (cua--rectangle-right))) | |
328 | (move-to-column (cua--rectangle-right) pad)) | |
329 | ((cua--rectangle-right-side) | |
330 | (backward-char 1) | |
331 | (cua--rectangle-right (current-column))) | |
332 | ((or pad (eolp) (bolp)) | |
333 | (cua--rectangle-left (1- (cua--rectangle-left))) | |
334 | (move-to-column (cua--rectangle-right) pad)) | |
335 | (t | |
336 | (backward-char 1) | |
337 | (cua--rectangle-left (current-column)))) | |
338 | (setq resized t))) | |
339 | (if resized | |
340 | (cua--rectangle-resized)))) | |
341 | ||
342 | (defun cua-resize-rectangle-down (n) | |
343 | "Resize rectangle downwards." | |
344 | (interactive "p") | |
345 | (let ((pad (cua--rectangle-padding)) resized) | |
346 | (while (> n 0) | |
347 | (setq n (1- n)) | |
348 | (cond | |
349 | ((>= (cua--rectangle-corner) 2) | |
350 | (goto-char (cua--rectangle-bot)) | |
351 | (when (cua--forward-line 1 pad) | |
352 | (move-to-column (cua--rectangle-column) pad) | |
353 | (cua--rectangle-bot t) | |
354 | (setq resized t))) | |
355 | (t | |
356 | (goto-char (cua--rectangle-top)) | |
357 | (when (cua--forward-line 1 pad) | |
358 | (move-to-column (cua--rectangle-column) pad) | |
359 | (cua--rectangle-top t) | |
360 | (setq resized t))))) | |
361 | (if resized | |
362 | (cua--rectangle-resized)))) | |
363 | ||
364 | (defun cua-resize-rectangle-up (n) | |
365 | "Resize rectangle upwards." | |
366 | (interactive "p") | |
367 | (let ((pad (cua--rectangle-padding)) resized) | |
368 | (while (> n 0) | |
369 | (setq n (1- n)) | |
370 | (cond | |
371 | ((>= (cua--rectangle-corner) 2) | |
372 | (goto-char (cua--rectangle-bot)) | |
373 | (when (cua--forward-line -1 pad) | |
374 | (move-to-column (cua--rectangle-column) pad) | |
375 | (cua--rectangle-bot t) | |
376 | (setq resized t))) | |
377 | (t | |
378 | (goto-char (cua--rectangle-top)) | |
379 | (when (cua--forward-line -1 pad) | |
380 | (move-to-column (cua--rectangle-column) pad) | |
381 | (cua--rectangle-top t) | |
382 | (setq resized t))))) | |
383 | (if resized | |
384 | (cua--rectangle-resized)))) | |
385 | ||
386 | (defun cua-resize-rectangle-eol () | |
387 | "Resize rectangle to end of line." | |
388 | (interactive) | |
389 | (unless (eolp) | |
390 | (end-of-line) | |
391 | (if (> (current-column) (cua--rectangle-right)) | |
392 | (cua--rectangle-right (current-column))) | |
393 | (if (not (cua--rectangle-right-side)) | |
394 | (cua--rectangle-corner 1)) | |
395 | (cua--rectangle-resized))) | |
396 | ||
397 | (defun cua-resize-rectangle-bol () | |
398 | "Resize rectangle to beginning of line." | |
399 | (interactive) | |
400 | (unless (bolp) | |
401 | (beginning-of-line) | |
402 | (cua--rectangle-left (current-column)) | |
403 | (if (cua--rectangle-right-side) | |
404 | (cua--rectangle-corner -1)) | |
405 | (cua--rectangle-resized))) | |
406 | ||
407 | (defun cua-resize-rectangle-bot () | |
408 | "Resize rectangle to bottom of buffer." | |
409 | (interactive) | |
410 | (goto-char (point-max)) | |
411 | (move-to-column (cua--rectangle-column) (cua--rectangle-padding)) | |
412 | (cua--rectangle-bot t) | |
413 | (cua--rectangle-resized)) | |
414 | ||
415 | (defun cua-resize-rectangle-top () | |
416 | "Resize rectangle to top of buffer." | |
417 | (interactive) | |
418 | (goto-char (point-min)) | |
419 | (move-to-column (cua--rectangle-column) (cua--rectangle-padding)) | |
420 | (cua--rectangle-top t) | |
421 | (cua--rectangle-resized)) | |
422 | ||
423 | (defun cua-resize-rectangle-page-up () | |
424 | "Resize rectangle upwards by one scroll page." | |
425 | (interactive) | |
426 | (let ((pad (cua--rectangle-padding))) | |
427 | (scroll-down) | |
428 | (move-to-column (cua--rectangle-column) pad) | |
429 | (if (>= (cua--rectangle-corner) 2) | |
430 | (cua--rectangle-bot t) | |
431 | (cua--rectangle-top t)) | |
432 | (cua--rectangle-resized))) | |
433 | ||
434 | (defun cua-resize-rectangle-page-down () | |
435 | "Resize rectangle downwards by one scroll page." | |
436 | (interactive) | |
437 | (let ((pad (cua--rectangle-padding))) | |
438 | (scroll-up) | |
439 | (move-to-column (cua--rectangle-column) pad) | |
440 | (if (>= (cua--rectangle-corner) 2) | |
441 | (cua--rectangle-bot t) | |
442 | (cua--rectangle-top t)) | |
443 | (cua--rectangle-resized))) | |
444 | ||
445 | ;;; Mouse support | |
446 | ||
447 | ;; This is pretty simplistic, but it does the job... | |
448 | ||
449 | (defun cua-mouse-resize-rectangle (event) | |
450 | "Set rectangle corner at mouse click position." | |
451 | (interactive "e") | |
452 | (mouse-set-point event) | |
453 | (if (cua--rectangle-padding) | |
454 | (move-to-column (car (posn-col-row (event-end event))) t)) | |
455 | (if (cua--rectangle-right-side) | |
456 | (cua--rectangle-right (current-column)) | |
457 | (cua--rectangle-left (current-column))) | |
458 | (if (>= (cua--rectangle-corner) 2) | |
459 | (cua--rectangle-bot t) | |
460 | (cua--rectangle-top t)) | |
461 | (cua--rectangle-resized)) | |
462 | ||
463 | (defvar cua--mouse-last-pos nil) | |
464 | ||
465 | (defun cua-mouse-set-rectangle-mark (event) | |
466 | "Start rectangle at mouse click position." | |
467 | (interactive "e") | |
468 | (when cua--rectangle | |
469 | (cua--deactivate-rectangle) | |
470 | (cua--deactivate t)) | |
471 | (setq cua--last-rectangle nil) | |
472 | (mouse-set-point event) | |
473 | (cua-set-rectangle-mark) | |
474 | (setq cua--buffer-and-point-before-command nil) | |
475 | (setq cua--mouse-last-pos nil)) | |
476 | ||
477 | (defun cua-mouse-save-then-kill-rectangle (event arg) | |
478 | "Expand rectangle to mouse click position and copy rectangle. | |
479 | If command is repeated at same position, delete the rectangle." | |
480 | (interactive "e\nP") | |
481 | (if (and (eq this-command last-command) | |
482 | (eq (point) (car-safe cua--mouse-last-pos)) | |
483 | (eq cua--last-killed-rectangle (cdr-safe cua--mouse-last-pos))) | |
484 | (progn | |
485 | (unless buffer-read-only | |
486 | (cua--delete-rectangle)) | |
487 | (cua--deactivate)) | |
488 | (cua-mouse-resize-rectangle event) | |
489 | (let ((cua-keep-region-after-copy t)) | |
490 | (cua-copy-rectangle arg) | |
491 | (setq cua--mouse-last-pos (cons (point) cua--last-killed-rectangle))))) | |
492 | (defun cua--mouse-ignore (event) | |
493 | (interactive "e") | |
494 | (setq this-command last-command)) | |
495 | ||
496 | (defun cua--rectangle-move (dir) | |
497 | (let ((pad (cua--rectangle-padding)) | |
498 | (moved t) | |
499 | (top (cua--rectangle-top)) | |
500 | (bot (cua--rectangle-bot)) | |
501 | (l (cua--rectangle-left)) | |
502 | (r (cua--rectangle-right))) | |
503 | (cond | |
504 | ((eq dir 'up) | |
505 | (goto-char top) | |
506 | (when (cua--forward-line -1 pad) | |
507 | (cua--rectangle-top t) | |
508 | (goto-char bot) | |
509 | (forward-line -1) | |
510 | (cua--rectangle-bot t))) | |
511 | ((eq dir 'down) | |
512 | (goto-char bot) | |
513 | (when (cua--forward-line 1 pad) | |
514 | (cua--rectangle-bot t) | |
515 | (goto-char top) | |
516 | (cua--forward-line 1 pad) | |
517 | (cua--rectangle-top t))) | |
518 | ((eq dir 'left) | |
519 | (when (> l 0) | |
520 | (cua--rectangle-left (1- l)) | |
521 | (cua--rectangle-right (1- r)))) | |
522 | ((eq dir 'right) | |
523 | (cua--rectangle-right (1+ r)) | |
524 | (cua--rectangle-left (1+ l))) | |
525 | (t | |
526 | (setq moved nil))) | |
527 | (when moved | |
528 | (setq cua--buffer-and-point-before-command nil) | |
529 | (cua--pad-rectangle) | |
530 | (cua--rectangle-set-corners) | |
531 | (cua--keep-active)))) | |
532 | ||
533 | ||
534 | ;;; Operations on current rectangle | |
535 | ||
536 | (defun cua--rectangle-operation (keep-clear visible undo pad &optional fct post-fct) | |
537 | ;; Call FCT for each line of region with 4 parameters: | |
538 | ;; Region start, end, left-col, right-col | |
539 | ;; Point is at start when FCT is called | |
540 | ;; Set undo boundary if UNDO is non-nil. | |
541 | ;; Rectangle is padded if PAD = t or numeric and (cua--rectangle-padding) | |
542 | ;; Mark is kept if keep-clear is 'keep and cleared if keep-clear is 'clear. | |
543 | (let* ((start (cua--rectangle-top)) | |
544 | (end (cua--rectangle-bot)) | |
545 | (l (cua--rectangle-left)) | |
546 | (r (1+ (cua--rectangle-right))) | |
547 | (m (make-marker)) | |
548 | (tabpad (and (integerp pad) (= pad 2))) | |
549 | (sel (cua--rectangle-restriction))) | |
550 | (if undo | |
551 | (cua--rectangle-undo-boundary)) | |
552 | (if (integerp pad) | |
553 | (setq pad (cua--rectangle-padding))) | |
554 | (save-excursion | |
555 | (save-restriction | |
556 | (widen) | |
557 | (when (> (cua--rectangle-corner) 1) | |
558 | (goto-char end) | |
559 | (and (bolp) (not (eolp)) (not (eobp)) | |
560 | (setq end (1+ end)))) | |
561 | (when visible | |
562 | (setq start (max (window-start) start)) | |
563 | (setq end (min (window-end) end))) | |
564 | (goto-char end) | |
565 | (setq end (line-end-position)) | |
566 | (goto-char start) | |
567 | (setq start (line-beginning-position)) | |
568 | (narrow-to-region start end) | |
569 | (goto-char (point-min)) | |
570 | (while (< (point) (point-max)) | |
571 | (move-to-column r pad) | |
572 | (and (not pad) (not visible) (> (current-column) r) | |
573 | (backward-char 1)) | |
574 | (if (and tabpad (not pad) (looking-at "\t")) | |
575 | (forward-char 1)) | |
576 | (set-marker m (point)) | |
577 | (move-to-column l pad) | |
42cc3428 | 578 | (if (and fct (>= (current-column) l) (<= (current-column) r)) |
72cc582e KS |
579 | (let ((v t) (p (point))) |
580 | (when sel | |
581 | (if (car (cdr sel)) | |
582 | (setq v (looking-at (car sel))) | |
583 | (setq v (re-search-forward (car sel) m t)) | |
584 | (goto-char p)) | |
585 | (if (car (cdr (cdr sel))) | |
586 | (setq v (null v)))) | |
587 | (if visible | |
af1a0140 KS |
588 | (unless (eolp) |
589 | (funcall fct p m l r v)) | |
72cc582e KS |
590 | (if v |
591 | (funcall fct p m l r))))) | |
592 | (set-marker m nil) | |
593 | (forward-line 1)) | |
594 | (if (not visible) | |
595 | (cua--rectangle-bot t)) | |
596 | (if post-fct | |
597 | (funcall post-fct l r)))) | |
598 | (cond | |
599 | ((eq keep-clear 'keep) | |
600 | (cua--keep-active)) | |
601 | ((eq keep-clear 'clear) | |
602 | (cua--deactivate)) | |
603 | ((eq keep-clear 'corners) | |
604 | (cua--rectangle-set-corners) | |
605 | (cua--keep-active))) | |
606 | (setq cua--buffer-and-point-before-command nil))) | |
607 | ||
608 | (put 'cua--rectangle-operation 'lisp-indent-function 4) | |
609 | ||
610 | (defun cua--pad-rectangle (&optional pad) | |
611 | (if (or pad (cua--rectangle-padding)) | |
612 | (cua--rectangle-operation nil nil t t))) | |
613 | ||
614 | (defun cua--delete-rectangle () | |
615 | (cua--rectangle-operation nil nil t 2 | |
616 | '(lambda (s e l r) | |
42cc3428 KS |
617 | (if (and (> e s) (<= e (point-max))) |
618 | (delete-region s e))))) | |
72cc582e KS |
619 | |
620 | (defun cua--extract-rectangle () | |
621 | (let (rect) | |
622 | (cua--rectangle-operation nil nil nil 1 | |
623 | '(lambda (s e l r) | |
624 | (setq rect (cons (buffer-substring-no-properties s e) rect)))) | |
625 | (nreverse rect))) | |
626 | ||
627 | (defun cua--insert-rectangle (rect &optional below) | |
628 | ;; Insert rectangle as insert-rectangle, but don't set mark and exit with | |
629 | ;; point at either next to top right or below bottom left corner | |
630 | ;; Notice: In overwrite mode, the rectangle is inserted as separate text lines. | |
631 | (if (and below (eq below 'auto)) | |
632 | (setq below (and (bolp) | |
633 | (or (eolp) (eobp) (= (1+ (point)) (point-max)))))) | |
634 | (let ((lines rect) | |
635 | (insertcolumn (current-column)) | |
636 | (first t) | |
637 | p) | |
638 | (while (or lines below) | |
639 | (or first | |
640 | (if overwrite-mode | |
641 | (insert ?\n) | |
642 | (forward-line 1) | |
643 | (or (bolp) (insert ?\n)) | |
644 | (move-to-column insertcolumn t))) | |
645 | (if (not lines) | |
646 | (setq below nil) | |
647 | (insert-for-yank (car lines)) | |
648 | (setq lines (cdr lines)) | |
649 | (and first (not below) | |
650 | (setq p (point)))) | |
651 | (setq first nil)) | |
652 | (and p (not overwrite-mode) | |
653 | (goto-char p)))) | |
654 | ||
655 | (defun cua--copy-rectangle-as-kill (&optional ring) | |
656 | (if cua--register | |
657 | (set-register cua--register (cua--extract-rectangle)) | |
658 | (setq killed-rectangle (cua--extract-rectangle)) | |
659 | (setq cua--last-killed-rectangle (cons (and kill-ring (car kill-ring)) killed-rectangle)) | |
660 | (if ring | |
661 | (kill-new (mapconcat | |
662 | (function (lambda (row) (concat row "\n"))) | |
663 | killed-rectangle ""))))) | |
664 | ||
665 | (defun cua--activate-rectangle (&optional force) | |
666 | ;; Turn on rectangular marking mode by disabling transient mark mode | |
667 | ;; and manually handling highlighting from a post command hook. | |
668 | ;; Be careful if we are already marking a rectangle. | |
a1506d29 JB |
669 | (setq cua--rectangle |
670 | (if (and cua--last-rectangle | |
72cc582e KS |
671 | (eq (car cua--last-rectangle) (current-buffer)) |
672 | (eq (car (cdr cua--last-rectangle)) (point))) | |
673 | (cdr (cdr cua--last-rectangle)) | |
674 | (cua--rectangle-get-corners | |
675 | (and (not buffer-read-only) | |
676 | (or cua-auto-expand-rectangles | |
677 | force | |
678 | (eq major-mode 'picture-mode))))) | |
679 | cua--status-string (if (cua--rectangle-padding) " Pad" "") | |
680 | cua--last-rectangle nil)) | |
681 | ||
682 | ;; (defvar cua-save-point nil) | |
683 | ||
684 | (defun cua--deactivate-rectangle () | |
685 | ;; This is used to clean up after `cua--activate-rectangle'. | |
686 | (mapcar (function delete-overlay) cua--rectangle-overlays) | |
a1506d29 | 687 | (setq cua--last-rectangle (cons (current-buffer) |
72cc582e KS |
688 | (cons (point) ;; cua-save-point |
689 | cua--rectangle)) | |
690 | cua--rectangle nil | |
691 | cua--rectangle-overlays nil | |
692 | cua--status-string nil | |
693 | cua--mouse-last-pos nil)) | |
694 | ||
695 | (defun cua--highlight-rectangle () | |
696 | ;; This function is used to highlight the rectangular region. | |
697 | ;; We do this by putting an overlay on each line within the rectangle. | |
698 | ;; Each overlay extends across all the columns of the rectangle. | |
699 | ;; We try to reuse overlays where possible because this is more efficient | |
700 | ;; and results in less flicker. | |
701 | ;; If cua--rectangle-padding is nil and the buffer contains tabs or short lines, | |
702 | ;; the higlighted region may not be perfectly rectangular. | |
703 | (let ((deactivate-mark deactivate-mark) | |
704 | (old cua--rectangle-overlays) | |
705 | (new nil) | |
706 | (left (cua--rectangle-left)) | |
707 | (right (1+ (cua--rectangle-right)))) | |
708 | (when (/= left right) | |
709 | (sit-for 0) ; make window top/bottom reliable | |
710 | (cua--rectangle-operation nil t nil nil | |
711 | '(lambda (s e l r v) | |
712 | (let ((rface (if v 'cua-rectangle-face 'cua-rectangle-noselect-face)) | |
713 | overlay) | |
714 | ;; Trim old leading overlays. | |
715 | (if (= s e) (setq e (1+ e))) | |
716 | (while (and old | |
717 | (setq overlay (car old)) | |
718 | (< (overlay-start overlay) s) | |
719 | (/= (overlay-end overlay) e)) | |
720 | (delete-overlay overlay) | |
721 | (setq old (cdr old))) | |
722 | ;; Reuse an overlay if possible, otherwise create one. | |
723 | (if (and old | |
724 | (setq overlay (car old)) | |
725 | (or (= (overlay-start overlay) s) | |
726 | (= (overlay-end overlay) e))) | |
727 | (progn | |
728 | (move-overlay overlay s e) | |
729 | (setq old (cdr old))) | |
730 | (setq overlay (make-overlay s e))) | |
731 | (overlay-put overlay 'face rface) | |
732 | (setq new (cons overlay new)))))) | |
733 | ;; Trim old trailing overlays. | |
734 | (mapcar (function delete-overlay) old) | |
735 | (setq cua--rectangle-overlays (nreverse new)))) | |
736 | ||
737 | (defun cua--indent-rectangle (&optional ch to-col clear) | |
738 | ;; Indent current rectangle. | |
739 | (let ((col (cua--rectangle-insert-col)) | |
740 | (pad (cua--rectangle-padding)) | |
741 | indent) | |
742 | (cua--rectangle-operation (if clear 'clear 'corners) nil t pad | |
743 | '(lambda (s e l r) | |
744 | (move-to-column col pad) | |
745 | (if (and (eolp) | |
746 | (< (current-column) col)) | |
747 | (move-to-column col t)) | |
748 | (cond | |
749 | (to-col (indent-to to-col)) | |
750 | (ch (insert ch)) | |
751 | (t (tab-to-tab-stop))) | |
752 | (if (cua--rectangle-right-side t) | |
753 | (cua--rectangle-insert-col (current-column)) | |
754 | (setq indent (- (current-column) l)))) | |
755 | '(lambda (l r) | |
756 | (when (and indent (> indent 0)) | |
757 | (aset cua--rectangle 2 (+ l indent)) | |
758 | (aset cua--rectangle 3 (+ r indent -1))))))) | |
759 | ||
760 | ;; | |
761 | ;; rectangle functions / actions | |
762 | ;; | |
763 | ||
764 | (defvar cua--rectangle-initialized nil) | |
765 | ||
766 | (defun cua-set-rectangle-mark (&optional reopen) | |
767 | "Set mark and start in CUA rectangle mode. | |
768 | With prefix argument, activate previous rectangle if possible." | |
769 | (interactive "P") | |
770 | (unless cua--rectangle-initialized | |
771 | (cua--init-rectangles)) | |
772 | (when (not cua--rectangle) | |
773 | (if (and reopen | |
774 | cua--last-rectangle | |
775 | (eq (car cua--last-rectangle) (current-buffer))) | |
776 | (goto-char (car (cdr cua--last-rectangle))) | |
777 | (if (not mark-active) | |
778 | (push-mark nil nil t))) | |
779 | (cua--activate-rectangle) | |
780 | (cua--rectangle-set-corners) | |
781 | (setq mark-active t | |
782 | cua--explicit-region-start t) | |
783 | (if cua-enable-rectangle-auto-help | |
784 | (cua-help-for-rectangle t)))) | |
785 | ||
786 | (defun cua-clear-rectangle-mark () | |
787 | "Cancel current rectangle." | |
788 | (interactive) | |
789 | (when cua--rectangle | |
790 | (setq mark-active nil | |
791 | cua--explicit-region-start nil) | |
792 | (cua--deactivate-rectangle))) | |
793 | ||
794 | (defun cua-toggle-rectangle-mark () | |
795 | (interactive) | |
796 | (if cua--rectangle | |
797 | (cua--deactivate-rectangle) | |
798 | (unless cua--rectangle-initialized | |
799 | (cua--init-rectangles)) | |
800 | (cua--activate-rectangle)) | |
801 | (if cua--rectangle | |
802 | (if cua-enable-rectangle-auto-help | |
803 | (cua-help-for-rectangle t)) | |
804 | (if cua-enable-region-auto-help | |
805 | (cua-help-for-region t)))) | |
806 | ||
807 | (defun cua-restrict-regexp-rectangle (arg) | |
808 | "Restrict rectangle to lines (not) matching REGEXP. | |
809 | With prefix argument, the toggle restriction." | |
810 | (interactive "P") | |
811 | (let ((r (cua--rectangle-restriction)) regexp) | |
812 | (if (and r (null (car (cdr r)))) | |
813 | (if arg | |
814 | (cua--rectangle-restriction (car r) nil (not (car (cdr (cdr r))))) | |
815 | (cua--rectangle-restriction "" nil nil)) | |
816 | (cua--rectangle-restriction | |
817 | (read-from-minibuffer "Restrict rectangle (regexp): " | |
818 | nil nil nil nil) nil arg)))) | |
819 | ||
820 | (defun cua-restrict-prefix-rectangle (arg) | |
821 | "Restrict rectangle to lines (not) starting with CHAR. | |
822 | With prefix argument, the toggle restriction." | |
823 | (interactive "P") | |
824 | (let ((r (cua--rectangle-restriction)) regexp) | |
825 | (if (and r (car (cdr r))) | |
826 | (if arg | |
827 | (cua--rectangle-restriction (car r) t (not (car (cdr (cdr r))))) | |
828 | (cua--rectangle-restriction "" nil nil)) | |
829 | (cua--rectangle-restriction | |
a1506d29 | 830 | (format "[%c]" |
72cc582e KS |
831 | (read-char "Restrictive rectangle (char): ")) t arg)))) |
832 | ||
833 | (defun cua-move-rectangle-up () | |
834 | (interactive) | |
835 | (cua--rectangle-move 'up)) | |
836 | ||
837 | (defun cua-move-rectangle-down () | |
838 | (interactive) | |
839 | (cua--rectangle-move 'down)) | |
840 | ||
841 | (defun cua-move-rectangle-left () | |
842 | (interactive) | |
843 | (cua--rectangle-move 'left)) | |
844 | ||
845 | (defun cua-move-rectangle-right () | |
846 | (interactive) | |
847 | (cua--rectangle-move 'right)) | |
848 | ||
849 | (defun cua-copy-rectangle (arg) | |
850 | (interactive "P") | |
851 | (setq arg (cua--prefix-arg arg)) | |
852 | (cua--copy-rectangle-as-kill arg) | |
853 | (if cua-keep-region-after-copy | |
854 | (cua--keep-active) | |
855 | (cua--deactivate))) | |
856 | ||
857 | (defun cua-cut-rectangle (arg) | |
858 | (interactive "P") | |
859 | (if buffer-read-only | |
860 | (cua-copy-rectangle arg) | |
861 | (setq arg (cua--prefix-arg arg)) | |
862 | (goto-char (min (mark) (point))) | |
863 | (cua--copy-rectangle-as-kill arg) | |
864 | (cua--delete-rectangle)) | |
865 | (cua--deactivate)) | |
866 | ||
867 | (defun cua-delete-rectangle () | |
868 | (interactive) | |
869 | (goto-char (min (point) (mark))) | |
870 | (if cua-delete-copy-to-register-0 | |
871 | (set-register ?0 (cua--extract-rectangle))) | |
872 | (cua--delete-rectangle) | |
873 | (cua--deactivate)) | |
874 | ||
875 | (defun cua-rotate-rectangle () | |
876 | (interactive) | |
877 | (cua--rectangle-corner (if (= (cua--rectangle-left) (cua--rectangle-right)) 0 1)) | |
878 | (cua--rectangle-set-corners)) | |
879 | ||
880 | (defun cua-toggle-rectangle-padding () | |
881 | (interactive) | |
882 | (if buffer-read-only | |
883 | (message "Cannot do padding in read-only buffer.") | |
884 | (cua--rectangle-padding t (not (cua--rectangle-padding))) | |
885 | (cua--pad-rectangle) | |
886 | (cua--rectangle-set-corners)) | |
887 | (setq cua--status-string (and (cua--rectangle-padding) " Pad")) | |
888 | (cua--keep-active)) | |
889 | ||
890 | (defun cua-do-rectangle-padding () | |
891 | (interactive) | |
892 | (if buffer-read-only | |
893 | (message "Cannot do padding in read-only buffer.") | |
894 | (cua--pad-rectangle t) | |
895 | (cua--rectangle-set-corners)) | |
896 | (cua--keep-active)) | |
897 | ||
898 | (defun cua-open-rectangle () | |
899 | "Blank out CUA rectangle, shifting text right. | |
900 | The text previously in the region is not overwritten by the blanks, | |
901 | but instead winds up to the right of the rectangle." | |
902 | (interactive) | |
903 | (cua--rectangle-operation 'corners nil t 1 | |
904 | '(lambda (s e l r) | |
905 | (skip-chars-forward " \t") | |
906 | (let ((ws (- (current-column) l)) | |
907 | (p (point))) | |
908 | (skip-chars-backward " \t") | |
909 | (delete-region (point) p) | |
910 | (indent-to (+ r ws)))))) | |
911 | ||
912 | (defun cua-close-rectangle (arg) | |
913 | "Delete all whitespace starting at left edge of CUA rectangle. | |
914 | On each line in the rectangle, all continuous whitespace starting | |
915 | at that column is deleted. | |
916 | With prefix arg, also delete whitespace to the left of that column." | |
917 | (interactive "P") | |
918 | (cua--rectangle-operation 'clear nil t 1 | |
919 | '(lambda (s e l r) | |
920 | (when arg | |
921 | (skip-syntax-backward " " (line-beginning-position)) | |
922 | (setq s (point))) | |
923 | (skip-syntax-forward " " (line-end-position)) | |
924 | (delete-region s (point))))) | |
925 | ||
926 | (defun cua-blank-rectangle () | |
927 | "Blank out CUA rectangle. | |
928 | The text previously in the rectangle is overwritten by the blanks." | |
929 | (interactive) | |
930 | (cua--rectangle-operation 'keep nil nil 1 | |
931 | '(lambda (s e l r) | |
932 | (goto-char e) | |
933 | (skip-syntax-forward " " (line-end-position)) | |
934 | (setq e (point)) | |
935 | (let ((column (current-column))) | |
936 | (goto-char s) | |
937 | (skip-syntax-backward " " (line-beginning-position)) | |
938 | (delete-region (point) e) | |
939 | (indent-to column))))) | |
940 | ||
941 | (defun cua-align-rectangle () | |
942 | "Align rectangle lines to left column." | |
943 | (interactive) | |
944 | (let (x) | |
945 | (cua--rectangle-operation 'clear nil t t | |
946 | '(lambda (s e l r) | |
947 | (let ((b (line-beginning-position))) | |
948 | (skip-syntax-backward "^ " b) | |
949 | (skip-syntax-backward " " b) | |
950 | (setq s (point))) | |
951 | (skip-syntax-forward " " (line-end-position)) | |
952 | (delete-region s (point)) | |
953 | (indent-to l)) | |
954 | '(lambda (l r) | |
955 | (move-to-column l) | |
956 | ;; (setq cua-save-point (point)) | |
957 | )))) | |
958 | ||
959 | (defun cua-copy-rectangle-as-text (&optional arg delete) | |
960 | "Copy rectangle, but store as normal text." | |
961 | (interactive "P") | |
962 | (if cua--global-mark-active | |
963 | (if delete | |
964 | (cua--cut-rectangle-to-global-mark t) | |
965 | (cua--copy-rectangle-to-global-mark t)) | |
966 | (let* ((rect (cua--extract-rectangle)) | |
967 | (text (mapconcat | |
968 | (function (lambda (row) (concat row "\n"))) | |
969 | rect ""))) | |
970 | (setq arg (cua--prefix-arg arg)) | |
971 | (if cua--register | |
972 | (set-register cua--register text) | |
973 | (kill-new text))) | |
974 | (if delete | |
975 | (cua--delete-rectangle)) | |
976 | (cua--deactivate))) | |
977 | ||
978 | (defun cua-cut-rectangle-as-text (arg) | |
979 | "Kill rectangle, but store as normal text." | |
980 | (interactive "P") | |
981 | (cua-copy-rectangle-as-text arg (not buffer-read-only))) | |
982 | ||
983 | (defun cua-string-rectangle (string) | |
984 | "Replace CUA rectangle contents with STRING on each line. | |
985 | The length of STRING need not be the same as the rectangle width." | |
986 | (interactive "sString rectangle: ") | |
987 | (cua--rectangle-operation 'keep nil t t | |
988 | '(lambda (s e l r) | |
989 | (delete-region s e) | |
990 | (skip-chars-forward " \t") | |
991 | (let ((ws (- (current-column) l))) | |
992 | (delete-region s (point)) | |
993 | (insert string) | |
994 | (indent-to (+ (current-column) ws)))) | |
995 | (unless (cua--rectangle-restriction) | |
996 | '(lambda (l r) | |
997 | (cua--rectangle-right (max l (+ l (length string) -1))))))) | |
998 | ||
999 | (defun cua-fill-char-rectangle (ch) | |
1000 | "Replace CUA rectangle contents with CHARACTER." | |
1001 | (interactive "cFill rectangle with character: ") | |
1002 | (cua--rectangle-operation 'clear nil t 1 | |
1003 | '(lambda (s e l r) | |
1004 | (delete-region s e) | |
1005 | (move-to-column l t) | |
1006 | (insert-char ch (- r l))))) | |
1007 | ||
1008 | (defun cua-replace-in-rectangle (regexp newtext) | |
1009 | "Replace REGEXP with NEWTEXT in each line of CUA rectangle." | |
1010 | (interactive "sReplace regexp: \nsNew text: ") | |
1011 | (if buffer-read-only | |
1012 | (message "Cannot replace in read-only buffer") | |
1013 | (cua--rectangle-operation 'keep nil t 1 | |
1014 | '(lambda (s e l r) | |
1015 | (if (re-search-forward regexp e t) | |
1016 | (replace-match newtext nil nil)))))) | |
1017 | ||
1018 | (defun cua-incr-rectangle (increment) | |
1019 | "Increment each line of CUA rectangle by prefix amount." | |
1020 | (interactive "p") | |
1021 | (cua--rectangle-operation 'keep nil t 1 | |
1022 | '(lambda (s e l r) | |
1023 | (cond | |
1024 | ((re-search-forward "0x\\([0-9a-fA-F]+\\)" e t) | |
1025 | (let* ((txt (buffer-substring-no-properties (match-beginning 1) (match-end 1))) | |
1026 | (n (string-to-number txt 16)) | |
1027 | (fmt (format "0x%%0%dx" (length txt)))) | |
1028 | (replace-match (format fmt (+ n increment))))) | |
1029 | ((re-search-forward "\\( *-?[0-9]+\\)" e t) | |
1030 | (let* ((txt (buffer-substring-no-properties (match-beginning 1) (match-end 1))) | |
1031 | (prefix (if (= (aref txt 0) ?0) "0" "")) | |
1032 | (n (string-to-number txt 10)) | |
1033 | (fmt (format "%%%s%dd" prefix (length txt)))) | |
1034 | (replace-match (format fmt (+ n increment))))) | |
1035 | (t nil))))) | |
1036 | ||
1037 | (defvar cua--rectangle-seq-format "%d" | |
1038 | "Last format used by cua-sequence-rectangle.") | |
1039 | ||
1040 | (defun cua-sequence-rectangle (first incr fmt) | |
1041 | "Resequence each line of CUA rectangle starting from FIRST. | |
1042 | The numbers are formatted according to the FORMAT string." | |
a1506d29 | 1043 | (interactive |
72cc582e KS |
1044 | (list (if current-prefix-arg |
1045 | (prefix-numeric-value current-prefix-arg) | |
1046 | (string-to-number | |
1047 | (read-string "Start value: (0) " nil nil "0"))) | |
1048 | (string-to-number | |
1049 | (read-string "Increment: (1) " nil nil "1")) | |
1050 | (read-string (concat "Format: (" cua--rectangle-seq-format ") ")))) | |
1051 | (if (= (length fmt) 0) | |
1052 | (setq fmt cua--rectangle-seq-format) | |
1053 | (setq cua--rectangle-seq-format fmt)) | |
1054 | (cua--rectangle-operation 'clear nil t 1 | |
1055 | '(lambda (s e l r) | |
1056 | (delete-region s e) | |
1057 | (insert (format fmt first)) | |
1058 | (setq first (+ first incr))))) | |
1059 | ||
1060 | (defun cua-upcase-rectangle () | |
1061 | "Convert the rectangle to upper case." | |
1062 | (interactive) | |
1063 | (cua--rectangle-operation 'clear nil nil nil | |
1064 | '(lambda (s e l r) | |
1065 | (upcase-region s e)))) | |
1066 | ||
1067 | (defun cua-downcase-rectangle () | |
1068 | "Convert the rectangle to lower case." | |
1069 | (interactive) | |
1070 | (cua--rectangle-operation 'clear nil nil nil | |
1071 | '(lambda (s e l r) | |
1072 | (downcase-region s e)))) | |
1073 | ||
1074 | ||
1075 | ;;; Replace/rearrange text in current rectangle | |
1076 | ||
1077 | (defun cua--rectangle-aux-replace (width adjust keep replace pad format-fct &optional setup-fct) | |
1078 | ;; Process text inserted by calling SETUP-FCT or current rectangle if nil. | |
1079 | ;; Then call FORMAT-FCT on text (if non-nil); takes two args: start and end. | |
1080 | ;; Fill to WIDTH characters if > 0 or fill to current width if == 0. | |
1081 | ;; Don't fill if WIDTH < 0. | |
1082 | ;; Replace current rectangle by filled text if REPLACE is non-nil | |
1083 | (let ((auxbuf (get-buffer-create "*CUA temp*")) | |
1084 | (w (if (> width 1) width | |
1085 | (- (cua--rectangle-right) (cua--rectangle-left) -1))) | |
1086 | (r (or setup-fct (cua--extract-rectangle))) | |
1087 | y z (tr 0)) | |
1088 | (save-excursion | |
1089 | (set-buffer auxbuf) | |
1090 | (erase-buffer) | |
1091 | (if setup-fct | |
1092 | (funcall setup-fct) | |
1093 | (cua--insert-rectangle r)) | |
1094 | (if format-fct | |
1095 | (let ((fill-column w)) | |
1096 | (funcall format-fct (point-min) (point-max)))) | |
1097 | (when replace | |
1098 | (goto-char (point-min)) | |
1099 | (while (not (eobp)) | |
1100 | (setq z (cons (buffer-substring (point) (line-end-position)) z)) | |
1101 | (forward-line 1)))) | |
1102 | (if (not cua--debug) | |
1103 | (kill-buffer auxbuf)) | |
1104 | (when replace | |
1105 | (setq z (reverse z)) | |
1106 | (if cua--debug | |
1107 | (print z auxbuf)) | |
1108 | (cua--rectangle-operation nil nil t pad | |
1109 | '(lambda (s e l r) | |
1110 | (let (cc) | |
1111 | (goto-char e) | |
1112 | (skip-chars-forward " \t") | |
1113 | (setq cc (current-column)) | |
1114 | (if cua--debug | |
1115 | (print (list cc s e) auxbuf)) | |
1116 | (delete-region s (point)) | |
1117 | (if (not z) | |
1118 | (setq y 0) | |
1119 | (move-to-column l t) | |
1120 | (insert (car z)) | |
1121 | (when (> (current-column) (+ l w)) | |
1122 | (setq y (point)) | |
1123 | (move-to-column (+ l w) t) | |
1124 | (delete-region (point) y) | |
1125 | (setq tr (1+ tr))) | |
1126 | (setq z (cdr z))) | |
1127 | (if cua--debug | |
1128 | (print (list (current-column) cc) auxbuf)) | |
1129 | (indent-to cc)))) | |
1130 | (if (> tr 0) | |
1131 | (message "Warning: Truncated %d row%s" tr (if (> tr 1) "s" ""))) | |
1132 | (if adjust | |
1133 | (cua--rectangle-right (+ (cua--rectangle-left) w -1))) | |
1134 | (if keep | |
1135 | (cua--rectangle-resized))))) | |
1136 | ||
1137 | (put 'cua--rectangle-aux-replace 'lisp-indent-function 4) | |
1138 | ||
1139 | (defun cua--left-fill-rectangle (start end) | |
1140 | (beginning-of-line) | |
1141 | (while (< (point) (point-max)) | |
1142 | (delete-horizontal-space nil) | |
1143 | (forward-line 1)) | |
1144 | (fill-region-as-paragraph (point-min) (point-max) 'left nil) | |
1145 | (untabify (point-min) (point-max))) | |
1146 | ||
1147 | (defun cua-text-fill-rectangle (width text) | |
1148 | "Replace rectagle with filled TEXT read from minibuffer. | |
1149 | A numeric prefix argument is used a new width for the filled rectangle." | |
1150 | (interactive (list | |
1151 | (prefix-numeric-value current-prefix-arg) | |
1152 | (read-from-minibuffer "Enter text: " | |
1153 | nil nil nil nil))) | |
1154 | (cua--rectangle-aux-replace width t t t 1 | |
1155 | 'cua--left-fill-rectangle | |
1156 | '(lambda () (insert text)))) | |
1157 | ||
1158 | (defun cua-refill-rectangle (width) | |
1159 | "Fill contents of current rectagle. | |
1160 | A numeric prefix argument is used as new width for the filled rectangle." | |
1161 | (interactive "P") | |
1162 | (cua--rectangle-aux-replace | |
1163 | (if width (prefix-numeric-value width) 0) | |
1164 | t t t 1 'cua--left-fill-rectangle)) | |
1165 | ||
1166 | (defun cua-shell-command-on-rectangle (replace command) | |
1167 | "Run shell command on rectangle like `shell-command-on-region'. | |
1168 | With prefix arg, replace rectangle with output from command." | |
1169 | (interactive (list | |
1170 | current-prefix-arg | |
1171 | (read-from-minibuffer "Shell command on rectangle: " | |
a1506d29 | 1172 | nil nil nil |
72cc582e KS |
1173 | 'shell-command-history))) |
1174 | (cua--rectangle-aux-replace -1 t t replace 1 | |
1175 | '(lambda (s e) | |
1176 | (shell-command-on-region s e command | |
1177 | replace replace nil)))) | |
1178 | ||
1179 | (defun cua-reverse-rectangle () | |
1180 | "Reverse the lines of the rectangle." | |
1181 | (interactive) | |
1182 | (cua--rectangle-aux-replace 0 t t t t 'reverse-region)) | |
1183 | ||
1184 | (defun cua-scroll-rectangle-up () | |
1185 | "Remove the first line of the rectangle and scroll remaining lines up." | |
1186 | (interactive) | |
1187 | (cua--rectangle-aux-replace 0 t t t t | |
a1506d29 | 1188 | '(lambda (s e) |
72cc582e KS |
1189 | (if (= (forward-line 1) 0) |
1190 | (delete-region s (point)))))) | |
1191 | ||
1192 | (defun cua-scroll-rectangle-down () | |
1193 | "Insert a blank line at the first line of the rectangle. | |
1194 | The remaining lines are scrolled down, losing the last line." | |
1195 | (interactive) | |
1196 | (cua--rectangle-aux-replace 0 t t t t | |
1197 | '(lambda (s e) | |
1198 | (goto-char s) | |
1199 | (insert "\n")))) | |
1200 | ||
1201 | ||
1202 | ;;; Insert/delete text to left or right of rectangle | |
1203 | ||
1204 | (defun cua-insert-char-rectangle (&optional ch) | |
1205 | (interactive) | |
1206 | (if buffer-read-only | |
1207 | (ding) | |
1208 | (cua--indent-rectangle (or ch (aref (this-single-command-keys) 0))) | |
1209 | (cua--keep-active)) | |
1210 | t) | |
1211 | ||
1212 | (defun cua-indent-rectangle (column) | |
1213 | "Indent rectangle to next tab stop. | |
1214 | With prefix arg, indent to that column." | |
1215 | (interactive "P") | |
1216 | (if (null column) | |
1217 | (cua-insert-char-rectangle ?\t) | |
1218 | (cua--indent-rectangle nil (prefix-numeric-value column)))) | |
1219 | ||
1220 | (defun cua-delete-char-rectangle () | |
1221 | "Delete char to left or right of rectangle." | |
1222 | (interactive) | |
1223 | (let ((col (cua--rectangle-insert-col)) | |
1224 | (pad (cua--rectangle-padding)) | |
1225 | indent) | |
1226 | (cua--rectangle-operation 'corners nil t pad | |
1227 | '(lambda (s e l r) | |
a1506d29 | 1228 | (move-to-column |
72cc582e KS |
1229 | (if (cua--rectangle-right-side t) |
1230 | (max (1+ r) col) l) | |
1231 | pad) | |
1232 | (if (bolp) | |
1233 | nil | |
1234 | (delete-backward-char 1) | |
1235 | (if (cua--rectangle-right-side t) | |
1236 | (cua--rectangle-insert-col (current-column)) | |
1237 | (setq indent (- l (current-column)))))) | |
1238 | '(lambda (l r) | |
1239 | (when (and indent (> indent 0)) | |
1240 | (aset cua--rectangle 2 (- l indent)) | |
1241 | (aset cua--rectangle 3 (- r indent 1))))))) | |
1242 | ||
1243 | (defun cua-help-for-rectangle (&optional help) | |
1244 | (interactive) | |
1245 | (let ((M (if cua-use-hyper-key " H-" " M-"))) | |
a1506d29 | 1246 | (message |
72cc582e | 1247 | (concat (if help "C-?:help" "") |
a1506d29 | 1248 | M "p:pad" M "o:open" M "c:close" M "b:blank" |
72cc582e KS |
1249 | M "s:string" M "f:fill" M "i:incr" M "n:seq")))) |
1250 | ||
1251 | ||
1252 | ;;; CUA-like cut & paste for rectangles | |
1253 | ||
1254 | (defun cua--cancel-rectangle () | |
1255 | ;; Cancel rectangle | |
1256 | (if cua--rectangle | |
1257 | (cua--deactivate-rectangle)) | |
1258 | (setq cua--last-rectangle nil)) | |
1259 | ||
1260 | (defun cua--rectangle-post-command () | |
1261 | (if cua--restored-rectangle | |
1262 | (setq cua--rectangle cua--restored-rectangle | |
1263 | cua--restored-rectangle nil | |
1264 | mark-active t | |
1265 | deactivate-mark nil) | |
1266 | (when (and cua--rectangle cua--buffer-and-point-before-command | |
1267 | (equal (car cua--buffer-and-point-before-command) (current-buffer)) | |
1268 | (not (= (cdr cua--buffer-and-point-before-command) (point)))) | |
1269 | (if (cua--rectangle-right-side) | |
1270 | (cua--rectangle-right (current-column)) | |
1271 | (cua--rectangle-left (current-column))) | |
1272 | (if (>= (cua--rectangle-corner) 2) | |
1273 | (cua--rectangle-bot t) | |
1274 | (cua--rectangle-top t)) | |
1275 | (if (cua--rectangle-padding) | |
a1506d29 | 1276 | (setq unread-command-events |
72cc582e KS |
1277 | (cons (if cua-use-hyper-key ?\H-P ?\M-P) unread-command-events))))) |
1278 | (if cua--rectangle | |
1279 | (if (and mark-active | |
1280 | (not deactivate-mark)) | |
1281 | (cua--highlight-rectangle) | |
1282 | (cua--deactivate-rectangle)))) | |
1283 | ||
1284 | ||
1285 | ;;; Initialization | |
1286 | ||
1287 | (defun cua--rect-M/H-key (key cmd) | |
1288 | (cua--M/H-key cua--rectangle-keymap key cmd)) | |
1289 | ||
1290 | (defun cua--rectangle-on-off (on) | |
1291 | (cancel-function-timers 'cua--tidy-undo-lists) | |
1292 | (if on | |
1293 | (run-with-idle-timer 10 t 'cua--tidy-undo-lists) | |
1294 | (cua--tidy-undo-lists t))) | |
1295 | ||
1296 | (defun cua--init-rectangles () | |
1297 | (unless (face-background 'cua-rectangle-face) | |
1298 | (copy-face 'region 'cua-rectangle-face) | |
1299 | (set-face-background 'cua-rectangle-face "maroon") | |
1300 | (set-face-foreground 'cua-rectangle-face "white")) | |
1301 | ||
1302 | (unless (face-background 'cua-rectangle-noselect-face) | |
1303 | (copy-face 'region 'cua-rectangle-noselect-face) | |
1304 | (set-face-background 'cua-rectangle-noselect-face "dimgray") | |
1305 | (set-face-foreground 'cua-rectangle-noselect-face "white")) | |
1306 | ||
1307 | (unless (eq cua-use-hyper-key 'only) | |
1308 | (define-key cua--rectangle-keymap [(shift return)] 'cua-clear-rectangle-mark) | |
1309 | (define-key cua--region-keymap [(shift return)] 'cua-toggle-rectangle-mark)) | |
1310 | (when cua-use-hyper-key | |
1311 | (cua--rect-M/H-key 'space 'cua-clear-rectangle-mark) | |
1312 | (cua--M/H-key cua--region-keymap 'space 'cua-toggle-rectangle-mark)) | |
1313 | ||
1314 | (define-key cua--rectangle-keymap [remap copy-region-as-kill] 'cua-copy-rectangle) | |
1315 | (define-key cua--rectangle-keymap [remap kill-ring-save] 'cua-copy-rectangle) | |
1316 | (define-key cua--rectangle-keymap [remap kill-region] 'cua-cut-rectangle) | |
1317 | (define-key cua--rectangle-keymap [remap delete-char] 'cua-delete-rectangle) | |
1318 | (define-key cua--rectangle-keymap [remap set-mark-command] 'cua-toggle-rectangle-mark) | |
1319 | ||
1320 | (define-key cua--rectangle-keymap [remap forward-char] 'cua-resize-rectangle-right) | |
1321 | (define-key cua--rectangle-keymap [remap backward-char] 'cua-resize-rectangle-left) | |
1322 | (define-key cua--rectangle-keymap [remap next-line] 'cua-resize-rectangle-down) | |
1323 | (define-key cua--rectangle-keymap [remap previous-line] 'cua-resize-rectangle-up) | |
1324 | (define-key cua--rectangle-keymap [remap end-of-line] 'cua-resize-rectangle-eol) | |
1325 | (define-key cua--rectangle-keymap [remap beginning-of-line] 'cua-resize-rectangle-bol) | |
1326 | (define-key cua--rectangle-keymap [remap end-of-buffer] 'cua-resize-rectangle-bot) | |
1327 | (define-key cua--rectangle-keymap [remap beginning-of-buffer] 'cua-resize-rectangle-top) | |
1328 | (define-key cua--rectangle-keymap [remap scroll-down] 'cua-resize-rectangle-page-up) | |
1329 | (define-key cua--rectangle-keymap [remap scroll-up] 'cua-resize-rectangle-page-down) | |
1330 | ||
1331 | (define-key cua--rectangle-keymap [remap delete-backward-char] 'cua-delete-char-rectangle) | |
1332 | (define-key cua--rectangle-keymap [remap backward-delete-char] 'cua-delete-char-rectangle) | |
1333 | (define-key cua--rectangle-keymap [remap backward-delete-char-untabify] 'cua-delete-char-rectangle) | |
1334 | (define-key cua--rectangle-keymap [remap self-insert-command] 'cua-insert-char-rectangle) | |
1335 | (define-key cua--rectangle-keymap [remap self-insert-iso] 'cua-insert-char-rectangle) | |
a1506d29 | 1336 | |
e3f01f30 KS |
1337 | ;; Catch self-inserting characters which are "stolen" by other modes |
1338 | (define-key cua--rectangle-keymap [t] | |
1339 | '(menu-item "sic" cua-insert-char-rectangle :filter cua--self-insert-char-p)) | |
1340 | ||
72cc582e KS |
1341 | (define-key cua--rectangle-keymap "\r" 'cua-rotate-rectangle) |
1342 | (define-key cua--rectangle-keymap "\t" 'cua-indent-rectangle) | |
1343 | ||
1344 | (define-key cua--rectangle-keymap [(control ??)] 'cua-help-for-rectangle) | |
1345 | ||
1346 | (define-key cua--rectangle-keymap [mouse-1] 'cua-mouse-set-rectangle-mark) | |
1347 | (define-key cua--rectangle-keymap [down-mouse-1] 'cua--mouse-ignore) | |
1348 | (define-key cua--rectangle-keymap [drag-mouse-1] 'cua--mouse-ignore) | |
1349 | (define-key cua--rectangle-keymap [mouse-3] 'cua-mouse-save-then-kill-rectangle) | |
1350 | (define-key cua--rectangle-keymap [down-mouse-3] 'cua--mouse-ignore) | |
1351 | (define-key cua--rectangle-keymap [drag-mouse-3] 'cua--mouse-ignore) | |
1352 | ||
1353 | (cua--rect-M/H-key 'up 'cua-move-rectangle-up) | |
1354 | (cua--rect-M/H-key 'down 'cua-move-rectangle-down) | |
1355 | (cua--rect-M/H-key 'left 'cua-move-rectangle-left) | |
1356 | (cua--rect-M/H-key 'right 'cua-move-rectangle-right) | |
1357 | ||
1358 | (cua--rect-M/H-key '(control up) 'cua-scroll-rectangle-up) | |
1359 | (cua--rect-M/H-key '(control down) 'cua-scroll-rectangle-down) | |
1360 | ||
1361 | (cua--rect-M/H-key ?a 'cua-align-rectangle) | |
1362 | (cua--rect-M/H-key ?b 'cua-blank-rectangle) | |
1363 | (cua--rect-M/H-key ?c 'cua-close-rectangle) | |
1364 | (cua--rect-M/H-key ?f 'cua-fill-char-rectangle) | |
1365 | (cua--rect-M/H-key ?i 'cua-incr-rectangle) | |
1366 | (cua--rect-M/H-key ?k 'cua-cut-rectangle-as-text) | |
1367 | (cua--rect-M/H-key ?l 'cua-downcase-rectangle) | |
1368 | (cua--rect-M/H-key ?m 'cua-copy-rectangle-as-text) | |
1369 | (cua--rect-M/H-key ?n 'cua-sequence-rectangle) | |
1370 | (cua--rect-M/H-key ?o 'cua-open-rectangle) | |
1371 | (cua--rect-M/H-key ?p 'cua-toggle-rectangle-padding) | |
1372 | (cua--rect-M/H-key ?P 'cua-do-rectangle-padding) | |
1373 | (cua--rect-M/H-key ?q 'cua-refill-rectangle) | |
1374 | (cua--rect-M/H-key ?r 'cua-replace-in-rectangle) | |
1375 | (cua--rect-M/H-key ?R 'cua-reverse-rectangle) | |
1376 | (cua--rect-M/H-key ?s 'cua-string-rectangle) | |
1377 | (cua--rect-M/H-key ?t 'cua-text-fill-rectangle) | |
1378 | (cua--rect-M/H-key ?u 'cua-upcase-rectangle) | |
1379 | (cua--rect-M/H-key ?| 'cua-shell-command-on-rectangle) | |
1380 | (cua--rect-M/H-key ?' 'cua-restrict-prefix-rectangle) | |
1381 | (cua--rect-M/H-key ?/ 'cua-restrict-regexp-rectangle) | |
1382 | ||
1383 | (setq cua--rectangle-initialized t)) | |
1384 | ||
1385 | ;;; cua-rect.el ends here |