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1 | ;;; cua-gmrk.el --- CUA unified global mark support |
2 | ||
ab422c4d | 3 | ;; Copyright (C) 1997-2013 Free Software Foundation, Inc. |
72cc582e KS |
4 | |
5 | ;; Author: Kim F. Storm <storm@cua.dk> | |
6 | ;; Keywords: keyboard emulations convenience cua mark | |
bd78fa1d | 7 | ;; Package: cua-base |
72cc582e KS |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
ed0f493f | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
72cc582e | 12 | ;; it under the terms of the GNU General Public License as published by |
ed0f493f GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
72cc582e KS |
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 | |
ed0f493f | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
72cc582e | 23 | |
30764597 PJ |
24 | ;;; Commentary: |
25 | ||
26 | ;;; Code: | |
72cc582e | 27 | |
8b394200 GM |
28 | (require 'cua-base) |
29 | (require 'cua-rect) | |
72cc582e | 30 | |
a1506d29 | 31 | ;;; Global Marker |
72cc582e KS |
32 | |
33 | ;; Non-nil when global marker is active. | |
34 | (defvar cua--global-mark-active nil) | |
35 | ||
36 | ;; Global mark position marker. | |
37 | (defvar cua--global-mark-marker nil) | |
38 | ||
39 | ;; Overlay for global mark position. | |
40 | (defvar cua--global-mark-overlay nil) | |
41 | ||
42 | ;; Initialize global mark things once... | |
43 | (defvar cua--global-mark-initialized nil) | |
44 | ||
45 | ;; Saved configured blink-cursor-interval | |
46 | (defvar cua--orig-blink-cursor-interval nil) | |
47 | ||
48 | (defun cua--deactivate-global-mark (&optional msg) | |
49 | (when cua--global-mark-overlay | |
50 | (delete-overlay cua--global-mark-overlay) | |
51 | (setq cua--global-mark-overlay nil)) | |
52 | (if (markerp cua--global-mark-marker) | |
53 | (move-marker cua--global-mark-marker nil)) | |
54 | (if cua--orig-blink-cursor-interval | |
55 | (setq blink-cursor-interval cua--orig-blink-cursor-interval | |
56 | cua--orig-blink-cursor-interval nil)) | |
57 | (setq cua--global-mark-active nil) | |
58 | (if msg | |
59 | (message "Global Mark Cleared"))) | |
60 | ||
61 | (defun cua--activate-global-mark (&optional msg) | |
62 | (if (not (markerp cua--global-mark-marker)) | |
63 | (setq cua--global-mark-marker (make-marker))) | |
64 | (when (eobp) | |
65 | (insert " ") | |
66 | (backward-char 1)) | |
67 | (move-marker cua--global-mark-marker (point)) | |
68 | (if (overlayp cua--global-mark-overlay) | |
69 | (move-overlay cua--global-mark-overlay (point) (1+ (point))) | |
a1506d29 | 70 | (setq cua--global-mark-overlay |
72cc582e | 71 | (make-overlay (point) (1+ (point)))) |
1e98d199 | 72 | (overlay-put cua--global-mark-overlay 'face 'cua-global-mark)) |
72cc582e KS |
73 | (if (and cua-global-mark-blink-cursor-interval |
74 | (not cua--orig-blink-cursor-interval)) | |
a1506d29 | 75 | (setq cua--orig-blink-cursor-interval blink-cursor-interval |
72cc582e KS |
76 | blink-cursor-interval cua-global-mark-blink-cursor-interval)) |
77 | (setq cua--global-mark-active t) | |
78 | (if msg | |
79 | (message "Global Mark Set"))) | |
80 | ||
81 | (defun cua--global-mark-active () | |
82 | (if cua--global-mark-active | |
83 | (or (and (markerp cua--global-mark-marker) | |
84 | (marker-buffer cua--global-mark-marker)) | |
85 | (and (cua--deactivate-global-mark nil) | |
86 | nil)))) | |
87 | ||
88 | (defun cua-toggle-global-mark (stay) | |
89 | "Set or cancel the global marker. | |
90 | When the global marker is set, CUA cut and copy commands will automatically | |
91 | insert the deleted or copied text before the global marker, even when the | |
92 | global marker is in another buffer. | |
93 | If the global marker isn't set, set the global marker at point in the current | |
c23eed1b | 94 | buffer. Otherwise jump to the global marker position and cancel it. |
c80e3b4a | 95 | With prefix argument, don't jump to global mark when canceling it." |
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96 | (interactive "P") |
97 | (unless cua--global-mark-initialized | |
98 | (cua--init-global-mark)) | |
99 | (if (not (cua--global-mark-active)) | |
100 | (if (not buffer-read-only) | |
101 | (cua--activate-global-mark t) | |
102 | (ding) | |
c23eed1b | 103 | (message "Cannot set global mark in read-only buffer")) |
72cc582e KS |
104 | (when (not stay) |
105 | (pop-to-buffer (marker-buffer cua--global-mark-marker)) | |
106 | (goto-char cua--global-mark-marker)) | |
107 | (cua--deactivate-global-mark t))) | |
108 | ||
109 | (defun cua--insert-at-global-mark (str &optional msg) | |
110 | ;; Insert string at global marker and move marker | |
937e6a56 | 111 | (with-current-buffer (marker-buffer cua--global-mark-marker) |
72cc582e KS |
112 | (goto-char (marker-position cua--global-mark-marker)) |
113 | (insert-for-yank str) | |
114 | (cua--activate-global-mark)) | |
115 | (if msg | |
116 | (message "%s %d to global mark in %s:%d" msg | |
117 | (length str) | |
118 | (buffer-name (marker-buffer cua--global-mark-marker)) | |
119 | (marker-position cua--global-mark-marker)))) | |
120 | ||
121 | (defun cua--delete-at-global-mark (arg &optional msg) | |
122 | ;; Delete chars at global marker | |
937e6a56 | 123 | (with-current-buffer (marker-buffer cua--global-mark-marker) |
72cc582e KS |
124 | (goto-char (marker-position cua--global-mark-marker)) |
125 | (delete-char arg)) | |
126 | (if msg | |
127 | (message "%s %d chars at global mark in %s:%d" msg arg | |
128 | (buffer-name (marker-buffer cua--global-mark-marker)) | |
129 | (marker-position cua--global-mark-marker)))) | |
130 | ||
131 | (defun cua-copy-region-to-global-mark (start end) | |
132 | "Copy region to global mark buffer/position." | |
133 | (interactive "r") | |
134 | (if (cua--global-mark-active) | |
135 | (let ((src-buf (current-buffer))) | |
136 | (save-excursion | |
137 | (if (equal (marker-buffer cua--global-mark-marker) src-buf) | |
c5eb971b | 138 | (let ((text (cua--filter-buffer-noprops start end))) |
72cc582e KS |
139 | (goto-char (marker-position cua--global-mark-marker)) |
140 | (insert text)) | |
141 | (set-buffer (marker-buffer cua--global-mark-marker)) | |
142 | (goto-char (marker-position cua--global-mark-marker)) | |
143 | (insert-buffer-substring-as-yank src-buf start end)) | |
144 | (cua--activate-global-mark) | |
145 | (message "Copied %d to global mark in %s:%d" | |
146 | (abs (- end start)) | |
147 | (buffer-name (marker-buffer cua--global-mark-marker)) | |
148 | (marker-position cua--global-mark-marker)))) | |
149 | (cua--deactivate-global-mark) | |
150 | (message "No Global Mark"))) | |
151 | ||
152 | (defun cua-cut-region-to-global-mark (start end) | |
153 | "Move region to global buffer/position." | |
154 | (interactive "r") | |
155 | (if (cua--global-mark-active) | |
156 | (let ((src-buf (current-buffer))) | |
157 | (save-excursion | |
158 | (if (equal (marker-buffer cua--global-mark-marker) src-buf) | |
159 | (if (and (< start (marker-position cua--global-mark-marker)) | |
160 | (< (marker-position cua--global-mark-marker) end)) | |
c23eed1b | 161 | (message "Can't move region into itself") |
c5eb971b | 162 | (let ((text (cua--filter-buffer-noprops start end)) |
72cc582e KS |
163 | (p1 (copy-marker start)) |
164 | (p2 (copy-marker end))) | |
165 | (goto-char (marker-position cua--global-mark-marker)) | |
166 | (insert text) | |
167 | (cua--activate-global-mark) | |
168 | (delete-region (marker-position p1) (marker-position p2)) | |
169 | (move-marker p1 nil) | |
170 | (move-marker p2 nil))) | |
171 | (set-buffer (marker-buffer cua--global-mark-marker)) | |
172 | (goto-char (marker-position cua--global-mark-marker)) | |
173 | (insert-buffer-substring src-buf start end) | |
174 | (message "Moved %d to global mark in %s:%d" | |
175 | (abs (- end start)) | |
176 | (buffer-name (marker-buffer cua--global-mark-marker)) | |
177 | (marker-position cua--global-mark-marker)) | |
178 | (cua--activate-global-mark) | |
179 | (set-buffer src-buf) | |
180 | (delete-region start end)))) | |
181 | (cua--deactivate-global-mark) | |
182 | (message "No Global Mark"))) | |
183 | ||
184 | (defun cua--copy-rectangle-to-global-mark (as-text) | |
185 | ;; Copy rectangle to global mark buffer/position. | |
186 | (if (cua--global-mark-active) | |
187 | (let ((src-buf (current-buffer)) | |
188 | (text (cua--extract-rectangle))) | |
937e6a56 | 189 | (with-current-buffer (marker-buffer cua--global-mark-marker) |
72cc582e KS |
190 | (goto-char (marker-position cua--global-mark-marker)) |
191 | (if as-text | |
192 | (while text | |
193 | (insert-for-yank (car text)) | |
194 | (if (setq text (cdr text)) | |
195 | (insert "\n"))) | |
196 | (cua--insert-rectangle text 'auto)) | |
197 | (cua--activate-global-mark) | |
198 | (message "Copied rectangle to global mark in %s:%d" | |
199 | (buffer-name (marker-buffer cua--global-mark-marker)) | |
200 | (marker-position cua--global-mark-marker)))) | |
201 | (cua--deactivate-global-mark) | |
202 | (message "No Global Mark"))) | |
203 | ||
204 | (defun cua--cut-rectangle-to-global-mark (as-text) | |
205 | ;; Move rectangle to global buffer/position. | |
206 | (if (cua--global-mark-active) | |
207 | (let ((src-buf (current-buffer))) | |
208 | (save-excursion | |
209 | (if (equal (marker-buffer cua--global-mark-marker) src-buf) | |
210 | (let ((olist (overlays-at (marker-position cua--global-mark-marker))) | |
211 | in-rect) | |
212 | (while olist | |
1e98d199 | 213 | (if (eq (overlay-get (car olist) 'face) 'cua-rectangle) |
72cc582e KS |
214 | (setq in-rect t olist nil) |
215 | (setq olist (cdr olist)))) | |
216 | (if in-rect | |
c23eed1b | 217 | (message "Can't move rectangle into itself") |
72cc582e KS |
218 | (let ((text (cua--extract-rectangle))) |
219 | (cua--delete-rectangle) | |
220 | (goto-char (marker-position cua--global-mark-marker)) | |
221 | (if as-text | |
222 | (while text | |
223 | (insert-for-yank (car text)) | |
224 | (if (setq text (cdr text)) | |
225 | (insert "\n"))) | |
226 | (cua--insert-rectangle text 'auto)) | |
227 | (cua--activate-global-mark)))) | |
228 | (let ((text (cua--extract-rectangle))) | |
229 | (cua--delete-rectangle) | |
230 | (set-buffer (marker-buffer cua--global-mark-marker)) | |
231 | (goto-char (marker-position cua--global-mark-marker)) | |
232 | (cua--insert-rectangle text 'auto)) | |
233 | (message "Moved rectangle to global mark in %s:%d" | |
234 | (buffer-name (marker-buffer cua--global-mark-marker)) | |
235 | (marker-position cua--global-mark-marker)) | |
236 | (cua--activate-global-mark)))) | |
237 | (cua--deactivate-global-mark) | |
238 | (message "No Global Mark"))) | |
239 | ||
240 | (defun cua-copy-to-global-mark () | |
241 | "Copy active region/rectangle to global mark buffer/position." | |
242 | (interactive) | |
243 | (setq cua--last-killed-rectangle nil) | |
244 | (if cua--rectangle | |
245 | (cua--copy-rectangle-to-global-mark nil) | |
246 | (let ((start (mark)) (end (point))) | |
247 | (or (<= start end) | |
248 | (setq start (prog1 end (setq end start)))) | |
249 | (cua-copy-region-to-global-mark start end)))) | |
250 | ||
251 | (defun cua-copy-next-to-global-mark (n) | |
252 | "Copy the following N characters in buffer to global mark buffer/position." | |
253 | (interactive "p") | |
254 | (setq cua--last-killed-rectangle nil) | |
255 | (or (eobp) | |
256 | (let ((p (point))) | |
257 | (goto-char (+ p n)) | |
258 | (cua-copy-region-to-global-mark p (point))))) | |
259 | ||
260 | (defun cua-cut-to-global-mark () | |
261 | "Move active region/rectangle to global mark buffer/position." | |
262 | (interactive) | |
263 | (if buffer-read-only | |
264 | (cua-copy-to-global-mark) | |
265 | (setq cua--last-killed-rectangle nil) | |
266 | (if cua--rectangle | |
267 | (cua--cut-rectangle-to-global-mark nil) | |
268 | (let ((start (mark)) (end (point))) | |
269 | (or (<= start end) | |
270 | (setq start (prog1 end (setq end start)))) | |
271 | (cua-cut-region-to-global-mark start end))))) | |
272 | ||
273 | (defun cua-cut-next-to-global-mark (n) | |
274 | "Move the following N characters in buffer to global mark buffer/position." | |
275 | (interactive "p") | |
276 | (setq cua--last-killed-rectangle nil) | |
277 | (or (eobp) | |
278 | (let ((p (point))) | |
279 | (goto-char (+ p n)) | |
280 | (cua-cut-region-to-global-mark p (point))))) | |
281 | ||
282 | (defun cua-delete-char-at-global-mark (arg) | |
283 | "Delete character following the global mark position." | |
284 | (interactive "p") | |
285 | (cua--delete-at-global-mark arg "Deleted")) | |
286 | ||
287 | (defun cua-delete-backward-char-at-global-mark (arg) | |
288 | "Delete character before the global mark position." | |
289 | (interactive "p") | |
290 | (cua--delete-at-global-mark (- arg) "Deleted backward")) | |
291 | ||
292 | (defun cua-insert-char-at-global-mark () | |
293 | "Insert the character you type at the global mark position." | |
294 | (interactive) | |
295 | (cua--insert-at-global-mark (char-to-string (aref (this-single-command-keys) 0)) "Inserted")) | |
296 | ||
297 | (defun cua-insert-newline-at-global-mark () | |
298 | "Insert a newline at the global mark position." | |
299 | (interactive) | |
300 | (cua--insert-at-global-mark "\n")) | |
301 | ||
302 | (defun cua-indent-to-global-mark-column () | |
303 | "Indent current line or rectangle to global mark column." | |
304 | (interactive "*") | |
305 | (if (cua--global-mark-active) | |
306 | (let (col) | |
937e6a56 | 307 | (with-current-buffer (marker-buffer cua--global-mark-marker) |
72cc582e KS |
308 | (goto-char (marker-position cua--global-mark-marker)) |
309 | (setq col (current-column))) | |
310 | (if cua--rectangle | |
311 | (cua--indent-rectangle nil col t) | |
312 | (indent-to col)) | |
313 | (if (eq (current-buffer) (marker-buffer cua--global-mark-marker)) | |
314 | (save-excursion | |
315 | (goto-char (marker-position cua--global-mark-marker)) | |
316 | (move-to-column col) | |
317 | (move-marker cua--global-mark-marker (point)) | |
318 | (move-overlay cua--global-mark-overlay (point) (1+ (point)))))))) | |
a1506d29 | 319 | |
72cc582e KS |
320 | |
321 | (defun cua-cancel-global-mark () | |
322 | "Cancel the global mark." | |
323 | (interactive) | |
324 | (if mark-active | |
325 | (cua-cancel) | |
326 | (if (cua--global-mark-active) | |
327 | (cua--deactivate-global-mark t))) | |
328 | (cua--fallback)) | |
329 | ||
330 | ;;; Post-command hook for global mark. | |
331 | ||
332 | (defun cua--global-mark-post-command () | |
333 | (when (and (cua--global-mark-active) ;; Updates cua--global-mark-active variable | |
334 | cua-global-mark-keep-visible) | |
335 | ;; keep global mark position visible | |
336 | (sit-for 0) | |
337 | (if (or (not (eq (current-buffer) (marker-buffer cua--global-mark-marker))) | |
338 | (not (pos-visible-in-window-p (marker-position cua--global-mark-marker)))) | |
339 | (let ((w (selected-window)) (p (point)) h) | |
a1506d29 | 340 | ;; The following code is an attempt to keep the global mark visible in |
72cc582e KS |
341 | ;; other window -- but it doesn't work. |
342 | (switch-to-buffer-other-window (marker-buffer cua--global-mark-marker) t) | |
343 | (goto-char (marker-position cua--global-mark-marker)) | |
344 | (if (not (pos-visible-in-window-p (marker-position cua--global-mark-marker))) | |
345 | (recenter (if (> (setq h (- (window-height) 4)) 1) h '(4)))) | |
346 | (select-window w) | |
347 | (goto-char p))))) | |
348 | ||
349 | ;;; Initialization | |
350 | ||
351 | (defun cua--init-global-mark () | |
72cc582e KS |
352 | (define-key cua--global-mark-keymap [remap copy-region-as-kill] 'cua-copy-to-global-mark) |
353 | (define-key cua--global-mark-keymap [remap kill-ring-save] 'cua-copy-to-global-mark) | |
354 | (define-key cua--global-mark-keymap [remap kill-region] 'cua-cut-to-global-mark) | |
355 | (define-key cua--global-mark-keymap [remap yank] 'cua-copy-next-to-global-mark) | |
356 | ||
357 | (define-key cua--global-mark-keymap [remap keyboard-escape-quit] 'cua-cancel-global-mark) | |
358 | (define-key cua--global-mark-keymap [remap keyboard-quit] 'cua-cancel-global-mark) | |
359 | ||
360 | (define-key cua--global-mark-keymap [(control ?d)] 'cua-cut-next-to-global-mark) | |
361 | (define-key cua--global-mark-keymap [remap delete-backward-char] 'cua-delete-backward-char-at-global-mark) | |
362 | (define-key cua--global-mark-keymap [remap backward-delete-char] 'cua-delete-backward-char-at-global-mark) | |
363 | (define-key cua--global-mark-keymap [remap backward-delete-char-untabify] 'cua-delete-backward-char-at-global-mark) | |
364 | (define-key cua--global-mark-keymap [remap self-insert-command] 'cua-insert-char-at-global-mark) | |
365 | (define-key cua--global-mark-keymap [remap self-insert-iso] 'cua-insert-char-at-global-mark) | |
f8b38495 KS |
366 | |
367 | ;; Catch self-inserting characters which are "stolen" by other modes | |
368 | (define-key cua--global-mark-keymap [t] | |
369 | '(menu-item "sic" cua-insert-char-at-global-mark :filter cua--self-insert-char-p)) | |
370 | ||
72cc582e KS |
371 | (define-key cua--global-mark-keymap [remap newline] 'cua-insert-newline-at-global-mark) |
372 | (define-key cua--global-mark-keymap [remap newline-and-indent] 'cua-insert-newline-at-global-mark) | |
373 | (define-key cua--global-mark-keymap "\r" 'cua-insert-newline-at-global-mark) | |
374 | ||
375 | (define-key cua--global-mark-keymap "\t" 'cua-indent-to-global-mark-column) | |
376 | ||
377 | (setq cua--global-mark-initialized t)) | |
378 | ||
88a25b18 GM |
379 | (provide 'cua-gmrk) |
380 | ||
72cc582e | 381 | ;;; cua-gmrk.el ends here |