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1 | ;;; cua-base.el --- emulate CUA key bindings |
2 | ||
3 | ;; Copyright (C) 1997-2002 Free Software Foundation, Inc. | |
4 | ||
5 | ;; Author: Kim F. Storm <storm@cua.dk> | |
6 | ;; Keywords: keyboard emulation 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 | ||
26 | ;;; Commentary: | |
27 | ||
28 | ;; This is the CUA package which provides a complete emulation of the | |
29 | ;; standard CUA key bindings (Motif/Windows/Mac GUI) for selecting and | |
30 | ;; manipulating the region where S-<movement> is used to highlight & | |
31 | ;; extend the region. | |
32 | ||
33 | ;; This package allow the C-z, C-x, C-c, and C-v keys to be | |
34 | ;; bound appropriately according to the Motif/Windows GUI, i.e. | |
35 | ;; C-z -> undo | |
36 | ;; C-x -> cut | |
37 | ;; C-c -> copy | |
38 | ;; C-v -> paste | |
39 | ;; | |
40 | ;; The tricky part is the handling of the C-x and C-c keys which | |
41 | ;; are normally used as prefix keys for most of emacs' built-in | |
42 | ;; commands. With CUA they still do!!! | |
43 | ;; | |
44 | ;; Only when the region is currently active (and highlighted since | |
45 | ;; transient-mark-mode is used), the C-x and C-c keys will work as CUA | |
46 | ;; keys | |
47 | ;; C-x -> cut | |
48 | ;; C-c -> copy | |
49 | ;; When the region is not active, C-x and C-c works as prefix keys! | |
50 | ;; | |
51 | ;; This probably sounds strange and difficult to get used to - but | |
52 | ;; based on my own experience and the feedback from many users of | |
53 | ;; this package, it actually works very well and users adapt to it | |
54 | ;; instantly - or at least very quickly. So give it a try! | |
55 | ;; ... and in the few cases where you make a mistake and accidentally | |
56 | ;; delete the region - you just undo the mistake (with C-z). | |
57 | ;; | |
58 | ;; If you really need to perform a command which starts with one of | |
59 | ;; the prefix keys even when the region is active, you have three options: | |
60 | ;; - press the prefix key twice very quickly (within 0.2 seconds), | |
61 | ;; - press the prefix key and the following key within 0.2 seconds), or | |
62 | ;; - use the SHIFT key with the prefix key, i.e. C-X or C-C | |
63 | ;; | |
64 | ;; This behaviour can be customized via the | |
65 | ;; cua-prefix-override-inhibit-delay variable. | |
66 | ||
67 | ;; In addition to using the shifted movement keys, you can also use | |
68 | ;; [C-space] to start the region and use unshifted movement keys to extend | |
69 | ;; it. To cancel the region, use [C-space] or [C-g]. | |
70 | ||
71 | ;; If you prefer to use the standard emacs cut, copy, paste, and undo | |
72 | ;; bindings, customize cua-enable-cua-keys to nil. | |
73 | ||
74 | ;; CUA mode indications | |
75 | ;; -------------------- | |
76 | ;; You can choose to let CUA use different cursor colors to indicate | |
77 | ;; overwrite mode and read-only buffers. For example, the following | |
78 | ;; setting will use a RED cursor in normal (insertion) mode in | |
79 | ;; read-write buffers, a YELLOW cursor in overwrite mode in read-write | |
80 | ;; buffers, and a GREEN cursor read-only buffers: | |
81 | ;; | |
82 | ;; (setq cua-normal-cursor-color "red") | |
83 | ;; (setq cua-overwrite-cursor-color "yellow") | |
84 | ;; (setq cua-read-only-cursor-color "green") | |
85 | ;; | |
86 | ||
87 | ;; CUA register support | |
88 | ;; -------------------- | |
89 | ;; Emacs' standard register support is also based on a separate set of | |
90 | ;; "register commands". | |
91 | ;; | |
92 | ;; CUA's register support is activated by providing a numeric | |
93 | ;; prefix argument to the C-x, C-c, and C-v commands. For example, | |
94 | ;; to copy the selected region to register 2, enter [M-2 C-c]. | |
95 | ;; Or if you have activated the keypad prefix mode, enter [kp-2 C-c]. | |
96 | ;; | |
97 | ;; And CUA will copy and paste normal region as well as rectangles | |
98 | ;; into the registers, i.e. you use exactly the same command for both. | |
99 | ;; | |
100 | ;; In addition, the last highlighted text that is deleted (not | |
101 | ;; copied), e.g. by [delete] or by typing text over a highlighted | |
102 | ;; region, is automatically saved in register 0, so you can insert it | |
103 | ;; using [M-0 C-v]. | |
104 | ||
105 | ;; CUA rectangle support | |
106 | ;; --------------------- | |
107 | ;; Emacs' normal rectangle support is based on interpreting the region | |
108 | ;; between the mark and point as a "virtual rectangle", and using a | |
109 | ;; completely separate set of "rectangle commands" [C-x r ...] on the | |
110 | ;; region to copy, kill, fill a.s.o. the virtual rectangle. | |
111 | ;; | |
112 | ;; cua-mode's superior rectangle support is based on using a true visual | |
113 | ;; representation of the selected rectangle. To start a rectangle, use | |
114 | ;; [S-return] and extend it using the normal movement keys (up, down, | |
115 | ;; left, right, home, end, C-home, C-end). Once the rectangle has the | |
116 | ;; desired size, you can cut or copy it using C-x and C-c (or C-w and M-w), | |
117 | ;; and you can subsequently insert it - as a rectangle - using C-v (or | |
118 | ;; C-y). So the only new command you need to know to work with | |
119 | ;; cua-mode rectangles is S-return! | |
120 | ;; | |
121 | ;; Normally, when you paste a rectangle using C-v (C-y), each line of | |
122 | ;; the rectangle is inserted into the existing lines in the buffer. | |
123 | ;; If overwrite-mode is active when you paste a rectangle, it is | |
124 | ;; inserted as normal (multi-line) text. | |
125 | ;; | |
126 | ;; Furthermore, cua-mode's rectangles are not limited to the actual | |
127 | ;; contents of the buffer, so if the cursor is currently at the end of a | |
128 | ;; short line, you can still extend the rectangle to include more columns | |
129 | ;; of longer lines in the same rectangle. Sounds strange? Try it! | |
130 | ;; | |
131 | ;; You can enable padding for just this rectangle by pressing [M-p]; | |
132 | ;; this works like entering `picture-mode' where the tabs and spaces | |
133 | ;; are automatically converted/inserted to make the rectangle truly | |
134 | ;; rectangular. Or you can do it for all rectangles by setting the | |
135 | ;; `cua-auto-expand-rectangles' variable. | |
136 | ||
137 | ;; And there's more: If you want to extend or reduce the size of the | |
138 | ;; rectangle in one of the other corners of the rectangle, just use | |
139 | ;; [return] to move the cursor to the "next" corner. Or you can use | |
140 | ;; the [M-up], [M-down], [M-left], and [M-right] keys to move the | |
141 | ;; entire rectangle overlay (but not the contents) in the given | |
142 | ;; direction. | |
143 | ;; | |
144 | ;; [S-return] cancels the rectangle | |
145 | ;; [C-space] activates the region bounded by the rectangle | |
146 | ||
147 | ;; If you type a normal (self-inserting) character when the rectangle is | |
148 | ;; active, the character is inserted on the "current side" of every line | |
149 | ;; of the rectangle. The "current side" is the side on which the cursor | |
150 | ;; is currently located. If the rectangle is only 1 column wide, | |
151 | ;; insertion will be performed to the left when the cursor is at the | |
152 | ;; bottom of the rectangle. So, for example, to comment out an entire | |
153 | ;; paragraph like this one, just place the cursor on the first character | |
154 | ;; of the first line, and enter the following: | |
155 | ;; S-return M-} ; ; <space> S-return | |
156 | ||
157 | ;; cua-mode's rectangle support also includes all the normal rectangle | |
158 | ;; functions with easy access: | |
159 | ;; | |
160 | ;; [M-a] aligns all words at the left edge of the rectangle | |
161 | ;; [M-b] fills the rectangle with blanks (tabs and spaces) | |
162 | ;; [M-c] closes the rectangle by removing all blanks at the left edge | |
163 | ;; of the rectangle | |
164 | ;; [M-f] fills the rectangle with a single character (prompt) | |
165 | ;; [M-i] increases the first number found on each line of the rectangle | |
166 | ;; by the amount given by the numeric prefix argument (default 1) | |
167 | ;; It recognizes 0x... as hexadecimal numbers | |
168 | ;; [M-k] kills the rectangle as normal multi-line text (for paste) | |
169 | ;; [M-l] downcases the rectangle | |
170 | ;; [M-m] copies the rectangle as normal multi-line text (for paste) | |
171 | ;; [M-n] fills each line of the rectangle with increasing numbers using | |
172 | ;; a supplied format string (prompt) | |
173 | ;; [M-o] opens the rectangle by moving the highlighted text to the | |
174 | ;; right of the rectangle and filling the rectangle with blanks. | |
175 | ;; [M-p] toggles rectangle padding, i.e. insert tabs and spaces to | |
176 | ;; make rectangles truly rectangular | |
177 | ;; [M-q] performs text filling on the rectangle | |
178 | ;; [M-r] replaces REGEXP (prompt) by STRING (prompt) in rectangle | |
179 | ;; [M-R] reverse the lines in the rectangle | |
180 | ;; [M-s] fills each line of the rectangle with the same STRING (prompt) | |
181 | ;; [M-t] performs text fill of the rectangle with TEXT (prompt) | |
182 | ;; [M-u] upcases the rectangle | |
183 | ;; [M-|] runs shell command on rectangle | |
184 | ;; [M-'] restricts rectangle to lines with CHAR (prompt) at left column | |
185 | ;; [M-/] restricts rectangle to lines matching REGEXP (prompt) | |
186 | ;; [C-?] Shows a brief list of the above commands. | |
187 | ||
188 | ;; [M-C-up] and [M-C-down] scrolls the lines INSIDE the rectangle up | |
189 | ;; and down; lines scrolled outside the top or bottom of the rectangle | |
190 | ;; are lost, but can be recovered using [C-z]. | |
191 | ||
192 | ;; CUA Global Mark | |
193 | ;; --------------- | |
194 | ;; The final feature provided by CUA is the "global mark", which | |
195 | ;; makes it very easy to copy bits and pieces from the same and other | |
196 | ;; files into the current text. To enable and cancel the global mark, | |
197 | ;; use [S-C-space]. The cursor will blink when the global mark | |
198 | ;; is active. The following commands behave differently when the global | |
199 | ;; mark is set: | |
200 | ;; <ch> All characters (including newlines) you type are inserted | |
201 | ;; at the global mark! | |
202 | ;; [C-x] If you cut a region or rectangle, it is automatically inserted | |
203 | ;; at the global mark, and the global mark is advanced. | |
204 | ;; [C-c] If you copy a region or rectangle, it is immediately inserted | |
205 | ;; at the global mark, and the global mark is advanced. | |
206 | ;; [C-v] Copies a single character to the global mark. | |
207 | ;; [C-d] Moves (i.e. deletes and inserts) a single character to the | |
208 | ;; global mark. | |
209 | ;; [backspace] deletes the character before the global mark, while | |
210 | ;; [delete] deltes the character after the global mark. | |
211 | ||
212 | ;; [S-C-space] Jumps to and cancels the global mark. | |
213 | ;; [C-u S-C-space] Cancels the global mark (stays in current buffer). | |
214 | ||
215 | ;; [TAB] Indents the current line or rectangle to the column of the | |
216 | ;; global mark. | |
217 | ||
218 | ;;; Code: | |
219 | ||
220 | ;;; Customization | |
221 | ||
222 | (defgroup cua nil | |
223 | "Emulate CUA key bindings including C-x and C-c." | |
224 | :prefix "cua" | |
225 | :group 'editing-basics | |
226 | :group 'convenience | |
227 | :group 'emulations | |
228 | :link '(emacs-commentary-link :tag "Commentary" "cua-base.el") | |
229 | :link '(emacs-library-link :tag "Lisp File" "cua-base.el")) | |
230 | ||
231 | ;;;###autoload | |
232 | (defcustom cua-mode nil | |
233 | "Non-nil means that CUA emulation mode is enabled. | |
234 | In CUA mode, shifted movement keys highlight and extend the region. | |
235 | When a region is highlighted, the binding of the C-x and C-c keys are | |
236 | temporarily changed to work as Motif, MAC or MS-Windows cut and paste. | |
237 | Also, insertion commands first delete the region and then insert. | |
238 | This mode enables Transient Mark mode and it provides a superset of the | |
239 | PC Selection Mode and Delete Selection Modes. | |
240 | ||
241 | Setting this variable directly does not take effect; | |
242 | use either \\[customize] or the function `cua-mode'." | |
243 | :set (lambda (symbol value) | |
244 | (cua-mode (or value 0))) | |
245 | :initialize 'custom-initialize-default | |
246 | :set-after '(cua-enable-modeline-indications cua-use-hyper-key) | |
bed8e829 | 247 | :require 'cua-base |
72cc582e KS |
248 | :link '(emacs-commentary-link "cua-base.el") |
249 | :version "21.4" | |
250 | :type 'boolean | |
251 | :group 'cua) | |
252 | ||
253 | ||
254 | (defcustom cua-enable-cua-keys t | |
255 | "*Enable using C-z, C-x, C-c, and C-v for undo, cut, copy, and paste. | |
256 | If the value is t, these mappings are always enabled. If the value is | |
257 | 'shift, these keys are only enabled if the last region was marked with | |
258 | a shifted movement key. If the value is nil, these keys are never | |
259 | enabled." | |
260 | :type '(choice (const :tag "Disabled" nil) | |
261 | (const :tag "Shift region only" shift) | |
262 | (other :tag "Enabled")) | |
263 | :group 'cua) | |
264 | ||
265 | (defcustom cua-highlight-region-shift-only nil | |
266 | "*If non-nil, only highlight region if marked with S-<move>. | |
267 | When this is non-nil, CUA toggles `transient-mark-mode' on when the region | |
268 | is marked using shifted movement keys, and off when the mark is cleared. | |
269 | But when the mark was set using \\[cua-set-mark], transient-mark-mode | |
270 | is not turned on." | |
271 | :type 'boolean | |
272 | :group 'cua) | |
273 | ||
274 | (defcustom cua-prefix-override-inhibit-delay | |
275 | (if (featurep 'lisp-float-type) (/ (float 1) (float 5)) nil) | |
276 | "*If non-nil, time in seconds to delay before overriding prefix key. | |
277 | If there is additional input within this time, the prefix key is | |
278 | used as a normal prefix key. So typing a key sequence quickly will | |
279 | inhibit overriding the prefix key. | |
280 | As a special case, if the prefix keys repeated within this time, the | |
281 | first prefix key is discarded, so typing a prefix key twice in quick | |
282 | succession will also inhibit overriding the prefix key. | |
283 | If the value is nil, use a shifted prefix key to inhibit the override." | |
284 | :type '(choice (number :tag "Inhibit delay") | |
285 | (const :tag "No delay" nil)) | |
286 | :group 'cua) | |
287 | ||
288 | (defcustom cua-keep-region-after-copy nil | |
289 | "If non-nil, don't deselect the region after copying." | |
290 | :type 'boolean | |
291 | :group 'cua) | |
292 | ||
293 | (defcustom cua-enable-register-prefix 'not-ctrl-u | |
294 | "*If non-nil, registers are supported via numeric prefix arg. | |
295 | If the value is t, any numeric prefix arg in the range 0 to 9 will be | |
296 | interpreted as a register number. | |
297 | If the value is not-ctrl-u, using C-u to enter a numeric prefix is not | |
298 | interpreted as a register number. | |
299 | If the value is ctrl-u-only, only numeric prefix entered with C-u is | |
300 | interpreted as a register number." | |
301 | :type '(choice (const :tag "Disabled" nil) | |
302 | (const :tag "Enabled, but C-u arg is not a register" not-ctrl-u) | |
303 | (const :tag "Enabled, but only for C-u arg" ctrl-u-only) | |
304 | (other :tag "Enabled")) | |
305 | :group 'cua) | |
306 | ||
307 | (defcustom cua-delete-copy-to-register-0 t | |
308 | "*If non-nil, save last deleted region or rectangle to register 0." | |
309 | :type 'boolean | |
310 | :group 'cua) | |
311 | ||
312 | (defcustom cua-use-hyper-key nil | |
313 | "*If non-nil, bind rectangle commands to H-? instead of M-?. | |
314 | If set to 'also, toggle region command is also on S-return. | |
315 | Must be set prior to enabling CUA." | |
316 | :type '(choice (const :tag "Meta key and S-return" nil) | |
317 | (const :tag "Hyper key only" only) | |
318 | (const :tag "Hyper key and S-return" also)) | |
319 | :group 'cua) | |
320 | ||
321 | (defcustom cua-enable-region-auto-help nil | |
322 | "*If non-nil, automatically show help for active region." | |
323 | :type 'boolean | |
324 | :group 'cua) | |
325 | ||
326 | (defcustom cua-enable-modeline-indications nil | |
327 | "*If non-nil, use minor-mode hook to show status in mode line." | |
328 | :type 'boolean | |
329 | :group 'cua) | |
330 | ||
331 | (defcustom cua-check-pending-input t | |
332 | "*If non-nil, don't override prefix key if input pending. | |
333 | It is rumoured that input-pending-p is unreliable under some window | |
334 | managers, so try setting this to nil, if prefix override doesn't work." | |
335 | :type 'boolean | |
336 | :group 'cua) | |
337 | ||
338 | ||
339 | ;;; Rectangle Customization | |
340 | ||
341 | (defcustom cua-auto-expand-rectangles nil | |
342 | "*If non-nil, rectangles are padded with spaces to make straight edges. | |
343 | This implies modifying buffer contents by expanding tabs and inserting spaces. | |
344 | Consequently, this is inhibited in read-only buffers. | |
345 | Can be toggled by [M-p] while the rectangle is active," | |
346 | :type 'boolean | |
347 | :group 'cua) | |
348 | ||
349 | (defcustom cua-enable-rectangle-auto-help t | |
350 | "*If non-nil, automatically show help for region, rectangle and global mark." | |
351 | :type 'boolean | |
352 | :group 'cua) | |
353 | ||
354 | (defface cua-rectangle-face 'nil | |
355 | "*Font used by CUA for highlighting the rectangle." | |
356 | :group 'cua) | |
357 | ||
358 | (defface cua-rectangle-noselect-face 'nil | |
359 | "*Font used by CUA for highlighting the non-selected rectangle lines." | |
360 | :group 'cua) | |
361 | ||
362 | (defcustom cua-undo-max 64 | |
363 | "*Max no of undoable CUA rectangle changes (including undo)." | |
364 | :type 'integer | |
365 | :group 'cua) | |
366 | ||
367 | ||
368 | ;;; Global Mark Customization | |
369 | ||
370 | (defcustom cua-global-mark-keep-visible t | |
371 | "*If non-nil, always keep global mark visible in other window." | |
372 | :type 'boolean | |
373 | :group 'cua) | |
374 | ||
375 | (defface cua-global-mark-face '((((class color)) | |
376 | (:foreground "black") | |
377 | (:background "yellow")) | |
378 | (t (:bold t))) | |
379 | "*Font used by CUA for highlighting the global mark." | |
380 | :group 'cua) | |
381 | ||
382 | (defcustom cua-global-mark-blink-cursor-interval 0.20 | |
383 | "*Blink cursor at this interval when global mark is active." | |
384 | :type '(choice (number :tag "Blink interval") | |
385 | (const :tag "No blink" nil)) | |
386 | :group 'cua) | |
387 | ||
388 | ||
389 | ;;; Cursor Indication Customization | |
390 | ||
391 | (defcustom cua-enable-cursor-indications t | |
392 | "*If non-nil, use different cursor colors for indications." | |
393 | :type 'boolean | |
394 | :group 'cua) | |
395 | ||
396 | (defcustom cua-normal-cursor-color nil | |
397 | "Normal (non-overwrite) cursor color. | |
398 | Also used to indicate that rectangle padding is not in effect. | |
399 | Automatically loaded from frame parameters, if nil." | |
400 | :initialize (lambda (symbol value) | |
401 | (set symbol (or value | |
402 | (and (boundp 'initial-cursor-color) initial-cursor-color) | |
403 | (and (boundp 'initial-frame-alist) | |
404 | (assoc 'cursor-color initial-frame-alist) | |
405 | (cdr (assoc 'cursor-color initial-frame-alist))) | |
406 | (and (boundp 'default-frame-alist) | |
407 | (assoc 'cursor-color default-frame-alist) | |
408 | (cdr (assoc 'cursor-color default-frame-alist))) | |
409 | (frame-parameter nil 'cursor-color)))) | |
410 | :type 'color | |
411 | :group 'cua) | |
412 | ||
413 | (defcustom cua-read-only-cursor-color "darkgreen" | |
414 | "*Cursor color used in read-only buffers, if non-nil." | |
415 | :type 'color | |
416 | :group 'cua) | |
417 | ||
418 | (defcustom cua-overwrite-cursor-color "yellow" | |
419 | "*Cursor color used when overwrite mode is set, if non-nil. | |
420 | Also used to indicate that rectangle padding is in effect." | |
421 | :type 'color | |
422 | :group 'cua) | |
423 | ||
424 | (defcustom cua-global-mark-cursor-color "cyan" | |
425 | "*Indication for active global mark. | |
426 | Will change cursor color to specified color if string." | |
427 | :type 'color | |
428 | :group 'cua) | |
429 | ||
430 | ||
431 | ;;; Rectangle support is in cua-rect.el | |
432 | ||
433 | (autoload 'cua-set-rectangle-mark "cua-rect" nil t nil) | |
434 | ||
435 | ;; Stub definitions until it is loaded | |
436 | ||
437 | (when (not (featurep 'cua-rect)) | |
438 | (defvar cua--rectangle) | |
439 | (setq cua--rectangle nil) | |
440 | (defvar cua--last-killed-rectangle) | |
441 | (setq cua--last-killed-rectangle nil)) | |
442 | ||
443 | ||
444 | ||
445 | ;;; Global Mark support is in cua-gmrk.el | |
446 | ||
447 | (autoload 'cua-toggle-global-mark "cua-gmrk.el" nil t nil) | |
448 | ||
449 | ;; Stub definitions until cua-gmrk.el is loaded | |
450 | ||
451 | (when (not (featurep 'cua-gmrk)) | |
452 | (defvar cua--global-mark-active) | |
453 | (setq cua--global-mark-active nil)) | |
454 | ||
455 | ||
456 | (provide 'cua-base) | |
457 | ||
458 | (eval-when-compile | |
459 | (require 'cua-rect) | |
460 | (require 'cua-gmrk) | |
461 | ) | |
462 | ||
463 | ;;; Aux. variables | |
464 | ||
465 | ;; Current region was started using cua-set-mark. | |
466 | (defvar cua--explicit-region-start nil) | |
467 | ||
468 | ;; Latest region was started using shifted movement command. | |
469 | (defvar cua--last-region-shifted nil) | |
470 | ||
471 | ;; buffer + point prior to current command when rectangle is active | |
472 | ;; checked in post-command hook to see if point was moved | |
473 | (defvar cua--buffer-and-point-before-command nil) | |
474 | ||
475 | ;; status string for mode line indications | |
476 | (defvar cua--status-string nil) | |
477 | ||
478 | (defvar cua--debug nil) | |
479 | ||
480 | ||
481 | ;;; Prefix key override mechanism | |
482 | ||
483 | ;; The prefix override (when mark-active) operates in three substates: | |
484 | ;; [1] Before using a prefix key | |
485 | ;; [2] Immediately after using a prefix key | |
486 | ;; [3] A fraction of a second later | |
487 | ||
488 | ;; In state [1], the cua--prefix-override-keymap is active. | |
489 | ;; This keymap binds the C-x and C-c prefix keys to the | |
490 | ;; cua--prefix-override-handler function. | |
491 | ||
492 | ;; When a prefix key is typed in state [1], cua--prefix-override-handler | |
493 | ;; will push back the keys already read to the event queue. If input is | |
494 | ;; pending, it changes directly to state [3]. Otherwise, a short timer [T] | |
495 | ;; is started, and it changes to state [2]. | |
496 | ||
497 | ;; In state [2], the cua--prefix-override-keymap is inactive. Instead the | |
498 | ;; cua--prefix-repeat-keymap is active. This keymap binds C-c C-c and C-x | |
499 | ;; C-x to the cua--prefix-repeat-handler function. | |
500 | ||
501 | ;; If the prefix key is repeated in state [2], cua--prefix-repeat-handler | |
502 | ;; will cancel [T], back the keys already read (except for the second prefix | |
503 | ;; keys) to the event queue, and changes to state [3]. | |
504 | ||
505 | ;; The basic cua--cua-keys-keymap binds [C-x timeout] to kill-region and | |
506 | ;; [C-c timeout] to copy-region-as-kill, so if [T] times out in state [2], | |
507 | ;; the cua--prefix-override-timeout function will push a `timeout' event on | |
508 | ;; the event queue, and changes to state [3]. | |
509 | ||
510 | ;; In state [3] both cua--prefix-override-keymap and cua--prefix-repeat-keymap | |
511 | ;; are inactive, so the timeout in cua-global-keymap binding is used, or the | |
512 | ;; normal prefix key binding from the global or local map will be used. | |
513 | ||
514 | ;; The pre-command hook (executed as a consequence of the timeout or normal | |
515 | ;; prefix key binding) will cancel [T] and change from state [3] back to | |
516 | ;; state [1]. So cua--prefix-override-handler and cua--prefix-repeat-handler | |
517 | ;; are always called with state reset to [1]! | |
518 | ||
519 | ;; State [1] is recognized by cua--prefix-override-timer is nil, | |
520 | ;; state [2] is recognized by cua--prefix-override-timer is a timer, and | |
521 | ;; state [3] is recognized by cua--prefix-override-timer is t. | |
522 | ||
523 | (defvar cua--prefix-override-timer nil) | |
524 | (defvar cua--prefix-override-length nil) | |
525 | ||
526 | (defun cua--prefix-override-replay (arg repeat) | |
527 | (let* ((keys (this-command-keys)) | |
528 | (i (length keys)) | |
529 | (key (aref keys (1- i)))) | |
530 | (setq cua--prefix-override-length (- i repeat)) | |
531 | (setq cua--prefix-override-timer | |
532 | (or | |
533 | ;; In state [2], change to state [3] | |
534 | (> repeat 0) | |
535 | ;; In state [1], change directly to state [3] | |
536 | (and cua-check-pending-input (input-pending-p)) | |
537 | ;; In state [1], [T] disabled, so change to state [3] | |
538 | (not (numberp cua-prefix-override-inhibit-delay)) | |
539 | (<= cua-prefix-override-inhibit-delay 0) | |
540 | ;; In state [1], start [T] and change to state [2] | |
541 | (run-with-timer cua-prefix-override-inhibit-delay nil | |
542 | 'cua--prefix-override-timeout))) | |
543 | ;; Don't record this command | |
544 | (setq this-command last-command) | |
545 | ;; Restore the prefix arg | |
546 | (setq prefix-arg arg) | |
547 | (reset-this-command-lengths) | |
548 | ;; Push the key back on the event queue | |
549 | (setq unread-command-events (cons key unread-command-events)))) | |
550 | ||
551 | (defun cua--prefix-override-handler (arg) | |
552 | "Start timer waiting for prefix key to be followed by another key. | |
553 | Repeating prefix key when region is active works as a single prefix key." | |
554 | (interactive "P") | |
555 | (cua--prefix-override-replay arg 0)) | |
556 | ||
557 | (defun cua--prefix-repeat-handler (arg) | |
558 | "Repeating prefix key when region is active works as a single prefix key." | |
559 | (interactive "P") | |
560 | (cua--prefix-override-replay arg 1)) | |
561 | ||
562 | (defun cua--prefix-copy-handler (arg) | |
563 | "Copy region/rectangle, then replay last key." | |
564 | (interactive "P") | |
565 | (if cua--rectangle | |
566 | (cua-copy-rectangle arg) | |
567 | (cua-copy-region arg)) | |
568 | (let ((keys (this-single-command-keys))) | |
569 | (setq unread-command-events | |
570 | (cons (aref keys (1- (length keys))) unread-command-events)))) | |
571 | ||
572 | (defun cua--prefix-cut-handler (arg) | |
573 | "Cut region/rectangle, then replay last key." | |
574 | (interactive "P") | |
575 | (if cua--rectangle | |
576 | (cua-cut-rectangle arg) | |
577 | (cua-cut-region arg)) | |
578 | (let ((keys (this-single-command-keys))) | |
579 | (setq unread-command-events | |
580 | (cons (aref keys (1- (length keys))) unread-command-events)))) | |
581 | ||
582 | (defun cua--prefix-override-timeout () | |
583 | (setq cua--prefix-override-timer t) | |
584 | (when (= (length (this-command-keys)) cua--prefix-override-length) | |
585 | (setq unread-command-events (cons 'timeout unread-command-events)) | |
586 | (if prefix-arg | |
587 | (reset-this-command-lengths) | |
588 | (setq overriding-terminal-local-map nil)) | |
589 | (cua--fix-keymaps nil))) | |
590 | ||
591 | ||
592 | ;;; Aux. functions | |
593 | ||
594 | (defun cua--fallback () | |
595 | ;; Execute original command | |
596 | (setq this-command this-original-command) | |
597 | (call-interactively this-command)) | |
598 | ||
599 | (defun cua--keep-active () | |
600 | (setq mark-active t | |
601 | deactivate-mark nil)) | |
602 | ||
603 | (defun cua--deactivate (&optional now) | |
604 | (setq cua--explicit-region-start nil) | |
605 | (if (not now) | |
606 | (setq deactivate-mark t) | |
607 | (setq mark-active nil) | |
608 | (run-hooks 'deactivate-mark-hook))) | |
609 | ||
610 | ||
611 | ;; The current register prefix | |
612 | (defvar cua--register nil) | |
613 | ||
614 | (defun cua--prefix-arg (arg) | |
615 | (setq cua--register | |
616 | (and cua-enable-register-prefix | |
617 | (integerp (this-command-keys)) | |
618 | (cond ((eq cua-enable-register-prefix 'not-ctrl-u) | |
619 | (not (= (aref (this-command-keys) 0) ?\C-u))) | |
620 | ((eq cua-enable-register-prefix 'ctrl-u-only) | |
621 | (= (aref (this-command-keys) 0) ?\C-u)) | |
622 | (t t)) | |
623 | (integerp arg) (>= arg 0) (< arg 10) | |
624 | (+ arg ?0))) | |
625 | (if cua--register nil arg)) | |
626 | ||
627 | ||
628 | ;;; Enhanced undo - restore rectangle selections | |
629 | ||
630 | (defun cua-undo (&optional arg) | |
631 | "Undo some previous changes. | |
632 | Knows about CUA rectangle highlighting in addition to standard undo." | |
633 | (interactive "*P") | |
634 | (if (fboundp 'cua--rectangle-undo) | |
635 | (cua--rectangle-undo arg) | |
636 | (undo arg))) | |
637 | ||
638 | ;;; Region specific commands | |
639 | ||
640 | (defun cua-delete-region () | |
641 | "Delete the active region. | |
642 | Save a copy in register 0 if `cua-delete-copy-to-register-0' is non-nil." | |
643 | (interactive) | |
644 | (let ((start (mark)) (end (point))) | |
645 | (or (<= start end) | |
646 | (setq start (prog1 end (setq end start)))) | |
647 | (if cua-delete-copy-to-register-0 | |
648 | (copy-to-register ?0 start end nil)) | |
649 | (delete-region start end) | |
650 | (cua--deactivate))) | |
651 | ||
652 | (defun cua-replace-region () | |
653 | "Replace the active region with the character you type." | |
654 | (interactive) | |
655 | (cua-delete-region) | |
656 | (if (not (eq this-original-command this-command)) | |
657 | (cua--fallback))) | |
658 | ||
659 | (defun cua-copy-region (arg) | |
660 | "Copy the region to the kill ring. | |
661 | With numeric prefix arg, copy to register 0-9 instead." | |
662 | (interactive "P") | |
663 | (setq arg (cua--prefix-arg arg)) | |
664 | (setq cua--last-killed-rectangle nil) | |
665 | (let ((start (mark)) (end (point))) | |
666 | (or (<= start end) | |
667 | (setq start (prog1 end (setq end start)))) | |
668 | (if cua--register | |
669 | (copy-to-register cua--register start end nil) | |
670 | (copy-region-as-kill start end)) | |
671 | (if cua-keep-region-after-copy | |
672 | (cua--keep-active) | |
673 | (cua--deactivate)))) | |
674 | ||
675 | (defun cua-cut-region (arg) | |
676 | "Cut the region and copy to the kill ring. | |
677 | With numeric prefix arg, copy to register 0-9 instead." | |
678 | (interactive "P") | |
679 | (setq cua--last-killed-rectangle nil) | |
680 | (if buffer-read-only | |
681 | (cua-copy-region arg) | |
682 | (setq arg (cua--prefix-arg arg)) | |
683 | (let ((start (mark)) (end (point))) | |
684 | (or (<= start end) | |
685 | (setq start (prog1 end (setq end start)))) | |
686 | (if cua--register | |
687 | (copy-to-register cua--register start end t) | |
688 | (kill-region start end))) | |
689 | (cua--deactivate))) | |
690 | ||
691 | ;;; Generic commands for regions, rectangles, and global marks | |
692 | ||
693 | (defun cua-cancel () | |
694 | "Cancel the active region, rectangle, or global mark." | |
695 | (interactive) | |
696 | (setq mark-active nil) | |
697 | (setq cua--explicit-region-start nil) | |
698 | (if (fboundp 'cua--cancel-rectangle) | |
699 | (cua--cancel-rectangle))) | |
700 | ||
701 | (defun cua-paste (arg) | |
702 | "Paste last cut or copied region or rectangle. | |
703 | An active region is deleted before executing the command. | |
704 | With numeric prefix arg, paste from register 0-9 instead. | |
705 | If global mark is active, copy from register or one character." | |
706 | (interactive "P") | |
707 | (setq arg (cua--prefix-arg arg)) | |
708 | (let ((regtxt (and cua--register (get-register cua--register))) | |
709 | (count (prefix-numeric-value arg))) | |
710 | (cond | |
711 | ((and cua--register (not regtxt)) | |
712 | (message "Nothing in register %c" cua--register)) | |
713 | (cua--global-mark-active | |
714 | (if regtxt | |
715 | (cua--insert-at-global-mark regtxt) | |
716 | (when (not (eobp)) | |
717 | (cua--insert-at-global-mark (buffer-substring (point) (+ (point) count))) | |
718 | (forward-char count)))) | |
719 | (buffer-read-only | |
720 | (message "Cannot paste into a read-only buffer")) | |
721 | (t | |
722 | ;; Must save register here, since delete may override reg 0. | |
723 | (if mark-active | |
724 | ;; Before a yank command, make sure we don't yank | |
725 | ;; the same region that we are going to delete. | |
726 | ;; That would make yank a no-op. | |
727 | (if cua--rectangle | |
728 | (cua--delete-rectangle) | |
729 | (if (string= (buffer-substring (point) (mark)) | |
730 | (car kill-ring)) | |
731 | (current-kill 1)) | |
732 | (cua-delete-region))) | |
733 | (cond | |
734 | (regtxt | |
735 | (cond | |
736 | ((consp regtxt) (cua--insert-rectangle regtxt)) | |
737 | ((stringp regtxt) (insert-for-yank regtxt)) | |
738 | (t (message "Unknown data in register %c" cua--register)))) | |
739 | ((and cua--last-killed-rectangle | |
740 | (eq (and kill-ring (car kill-ring)) (car cua--last-killed-rectangle))) | |
741 | (let ((pt (point))) | |
742 | (when (not (eq buffer-undo-list t)) | |
743 | (setq this-command 'cua--paste-rectangle) | |
744 | (undo-boundary) | |
745 | (setq buffer-undo-list (cons pt buffer-undo-list))) | |
746 | (cua--insert-rectangle (cdr cua--last-killed-rectangle)) | |
747 | (if arg (goto-char pt)))) | |
748 | (t (yank arg))))))) | |
749 | ||
750 | (defun cua-paste-pop (arg) | |
751 | "Replace a just-pasted text or rectangle with a different text. | |
752 | See `yank-pop' for details." | |
753 | (interactive "P") | |
754 | (if (eq last-command 'cua--paste-rectangle) | |
755 | (progn | |
756 | (undo) | |
757 | (yank arg)) | |
758 | (yank-pop (prefix-numeric-value arg)))) | |
759 | ||
760 | (defun cua-exchange-point-and-mark (arg) | |
761 | "Exchanges point and mark, but don't activate the mark. | |
762 | Activates the mark if a prefix argument is given." | |
763 | (interactive "P") | |
764 | (if arg | |
765 | (setq mark-active t) | |
766 | (let (mark-active) | |
767 | (exchange-point-and-mark) | |
768 | (if cua--rectangle | |
769 | (cua--rectangle-corner 0))))) | |
770 | ||
771 | (defun cua-help-for-region (&optional help) | |
772 | "Show region specific help in echo area." | |
773 | (interactive) | |
774 | (message | |
775 | (concat (if help "C-?:help " "") | |
776 | "C-z:undo C-x:cut C-c:copy C-v:paste S-ret:rect"))) | |
777 | ||
778 | ||
779 | ;;; Shift activated / extended region | |
780 | ||
781 | (defun cua-set-mark (&optional arg) | |
782 | "Set mark at where point is, clear mark, or jump to mark. | |
783 | With no prefix argument, set mark, push old mark position on local mark | |
784 | ring, and push mark on global mark ring, or if mark is already set, clear mark. | |
785 | With argument, jump to mark, and pop a new position for mark off the ring; | |
786 | then it jumps to the next mark off the ring if repeated with no argument, or | |
787 | sets the mark at the new position if repeated with argument." | |
788 | (interactive "P") | |
789 | (if (and (eq this-command last-command) | |
790 | last-prefix-arg) | |
791 | (setq arg (if arg nil last-prefix-arg) | |
792 | current-prefix-arg arg)) | |
793 | (cond | |
794 | (arg | |
795 | (if (null (mark t)) | |
796 | (error "No mark set in this buffer") | |
797 | (goto-char (mark t)) | |
798 | (pop-mark))) | |
799 | (mark-active | |
800 | (cua--deactivate) | |
801 | (message "Mark Cleared")) | |
802 | (t | |
803 | (push-mark nil nil t) | |
804 | (setq cua--explicit-region-start t) | |
805 | (setq cua--last-region-shifted nil) | |
806 | (if cua-enable-region-auto-help | |
807 | (cua-help-for-region t))))) | |
808 | ||
809 | (defvar cua--standard-movement-commands | |
810 | '(forward-char backward-char | |
811 | next-line previous-line | |
812 | forward-word backward-word | |
813 | end-of-line beginning-of-line | |
814 | end-of-buffer beginning-of-buffer | |
815 | scroll-up scroll-down forward-paragraph backward-paragraph) | |
816 | "List of standard movement commands. | |
817 | Extra commands should be added to `cua-user-movement-commands'") | |
818 | ||
819 | (defvar cua-movement-commands nil | |
820 | "User may add additional movement commands to this list.") | |
821 | ||
822 | ||
823 | ;;; Cursor indications | |
824 | ||
825 | (defun cua--update-indications () | |
826 | (let ((cursor | |
827 | (cond | |
828 | ((and cua--global-mark-active | |
829 | (stringp cua-global-mark-cursor-color)) | |
830 | cua-global-mark-cursor-color) | |
831 | ((and buffer-read-only | |
832 | (stringp cua-read-only-cursor-color)) | |
833 | cua-read-only-cursor-color) | |
834 | ((and (stringp cua-overwrite-cursor-color) | |
835 | (or overwrite-mode | |
836 | (and cua--rectangle (cua--rectangle-padding)))) | |
837 | cua-overwrite-cursor-color) | |
838 | (t cua-normal-cursor-color)))) | |
839 | (if (and cursor | |
840 | (not (equal cursor (frame-parameter nil 'cursor-color)))) | |
841 | (set-cursor-color cursor)) | |
842 | cursor)) | |
843 | ||
844 | ||
845 | ;;; Pre-command hook | |
846 | ||
847 | (defun cua--pre-command-handler () | |
848 | (condition-case nil | |
849 | (let ((movement (or (memq this-command cua--standard-movement-commands) | |
850 | (memq this-command cua-movement-commands)))) | |
851 | ||
852 | ;; Cancel prefix key timeout if user enters another key. | |
853 | (when cua--prefix-override-timer | |
854 | (if (timerp cua--prefix-override-timer) | |
855 | (cancel-timer cua--prefix-override-timer)) | |
856 | (setq cua--prefix-override-timer nil)) | |
857 | ||
858 | ;; Handle shifted cursor keys and other movement commands. | |
859 | ;; If region is not active, region is activated if key is shifted. | |
860 | ;; If region is active, region is cancelled if key is unshifted (and region not started with C-SPC). | |
861 | ;; If rectangle is active, expand rectangle in specified direction and ignore the movement. | |
862 | (if movement | |
863 | (cond | |
864 | ((memq 'shift (event-modifiers (aref (this-single-command-raw-keys) 0))) | |
865 | (unless mark-active | |
866 | (push-mark nil t t)) | |
867 | (setq cua--last-region-shifted t) | |
868 | (setq cua--explicit-region-start nil)) | |
869 | ((or cua--explicit-region-start cua--rectangle) | |
870 | (unless mark-active | |
871 | (push-mark nil nil t))) | |
872 | (t | |
873 | ;; If we set mark-active to nil here, the region highlight will not be | |
874 | ;; removed by the direct_output_ commands. | |
875 | (setq deactivate-mark t))) | |
876 | ||
877 | ;; Handle delete-selection property on other commands | |
e75d337c KS |
878 | (if (and mark-active (not deactivate-mark)) |
879 | (let* ((ds (or (get this-command 'delete-selection) | |
880 | (get this-command 'pending-delete))) | |
881 | (nc (cond | |
882 | ((not ds) nil) | |
883 | ((eq ds 'yank) | |
884 | 'cua-paste) | |
885 | ((eq ds 'kill) | |
886 | (if cua--rectangle | |
887 | 'cua-copy-rectangle | |
888 | 'cua-copy-region)) | |
889 | ((eq ds 'supersede) | |
890 | (if cua--rectangle | |
891 | 'cua-delete-rectangle ;; replace? | |
892 | 'cua-replace-region)) | |
893 | (t | |
894 | (if cua--rectangle | |
895 | 'cua-delete-rectangle | |
896 | 'cua-delete-region))))) | |
897 | (if nc | |
898 | (setq this-original-command this-command | |
899 | this-command nc))))) | |
72cc582e KS |
900 | |
901 | ;; Detect extension of rectangles by mouse or other movement | |
902 | (setq cua--buffer-and-point-before-command | |
903 | (if cua--rectangle (cons (current-buffer) (point)))) | |
904 | ) | |
905 | (error nil))) | |
906 | ||
907 | ;;; Post-command hook | |
908 | ||
909 | (defun cua--post-command-handler () | |
910 | (condition-case nil | |
911 | (progn | |
912 | (when cua--global-mark-active | |
913 | (cua--global-mark-post-command)) | |
914 | (when (fboundp 'cua--rectangle-post-command) | |
915 | (cua--rectangle-post-command)) | |
916 | (setq cua--buffer-and-point-before-command nil) | |
917 | (if (or (not mark-active) deactivate-mark) | |
918 | (setq cua--explicit-region-start nil)) | |
919 | ||
920 | ;; Debugging | |
921 | (if cua--debug | |
922 | (cond | |
923 | (cua--rectangle (cua--rectangle-assert)) | |
924 | (mark-active (message "Mark=%d Point=%d Expl=%s" | |
925 | (mark t) (point) cua--explicit-region-start)))) | |
926 | ||
927 | ;; Disable transient-mark-mode if rectangle active in current buffer. | |
928 | (if (not (window-minibuffer-p (selected-window))) | |
929 | (setq transient-mark-mode (and (not cua--rectangle) | |
930 | (if cua-highlight-region-shift-only | |
931 | (not cua--explicit-region-start) | |
932 | t)))) | |
933 | (if cua-enable-cursor-indications | |
934 | (cua--update-indications)) | |
935 | ||
936 | (cua--fix-keymaps nil) | |
937 | ) | |
938 | ||
939 | (error nil))) | |
940 | ||
941 | ||
942 | ;;; Keymaps | |
943 | ||
944 | (defun cua--M/H-key (map key fct) | |
945 | ;; bind H-KEY or M-KEY to FCT in MAP | |
946 | (if (eq key 'space) (setq key ? )) | |
947 | (unless (listp key) (setq key (list key))) | |
948 | (define-key map (vector (cons (if cua-use-hyper-key 'hyper 'meta) key)) fct)) | |
949 | ||
950 | (defvar cua-global-keymap (make-sparse-keymap)) | |
951 | (defvar cua--cua-keys-keymap (make-sparse-keymap)) | |
952 | (defvar cua--prefix-override-keymap (make-sparse-keymap)) | |
953 | (defvar cua--prefix-repeat-keymap (make-sparse-keymap)) | |
954 | (defvar cua--global-mark-keymap (make-sparse-keymap)) ; Initalized when cua-gmrk.el is loaded | |
955 | (defvar cua--rectangle-keymap (make-sparse-keymap)) ; Initalized when cua-rect.el is loaded | |
956 | (defvar cua--region-keymap (make-sparse-keymap)) | |
957 | ||
958 | (defvar cua--ena-cua-keys-keymap nil) | |
959 | (defvar cua--ena-prefix-override-keymap nil) | |
960 | (defvar cua--ena-prefix-repeat-keymap nil) | |
961 | (defvar cua--ena-region-keymap nil) | |
962 | (defvar cua--ena-global-mark-keymap nil) | |
963 | ||
964 | (defvar cua--mmap-prefix-override-keymap (cons 'cua--ena-prefix-override-keymap cua--prefix-override-keymap)) | |
965 | (defvar cua--mmap-prefix-repeat-keymap (cons 'cua--ena-prefix-repeat-keymap cua--prefix-repeat-keymap)) | |
966 | (defvar cua--mmap-cua-keys-keymap (cons 'cua--ena-cua-keys-keymap cua--cua-keys-keymap)) | |
967 | (defvar cua--mmap-global-mark-keymap (cons 'cua--ena-global-mark-keymap cua--global-mark-keymap)) | |
968 | (defvar cua--mmap-rectangle-keymap (cons 'cua--rectangle cua--rectangle-keymap)) | |
969 | (defvar cua--mmap-region-keymap (cons 'cua--ena-region-keymap cua--region-keymap)) | |
970 | (defvar cua--mmap-global-keymap (cons 'cua-mode cua-global-keymap)) | |
971 | ||
972 | (defvar cua--mmap-list | |
973 | (list cua--mmap-prefix-override-keymap | |
974 | cua--mmap-prefix-repeat-keymap | |
975 | cua--mmap-cua-keys-keymap | |
976 | cua--mmap-global-mark-keymap | |
977 | cua--mmap-rectangle-keymap | |
978 | cua--mmap-region-keymap | |
979 | cua--mmap-global-keymap)) | |
980 | ||
981 | (defun cua--fix-keymaps (disable) | |
982 | ;; Ensure that cua's keymaps are in minor-mode-map-alist and | |
983 | ;; in the correct order. | |
984 | (let (fix | |
985 | (mmap minor-mode-map-alist) | |
986 | (ml cua--mmap-list)) | |
987 | (while (and (not fix) mmap ml) | |
988 | (if (not (eq (car mmap) (car ml))) | |
989 | (setq fix t) | |
990 | (setq mmap (cdr mmap) | |
991 | ml (cdr ml)))) | |
992 | (if ml | |
993 | (setq fix t)) | |
994 | (when (or fix disable) | |
995 | (setq ml cua--mmap-list) | |
996 | (while ml | |
997 | (setq minor-mode-map-alist (delq (car ml) minor-mode-map-alist)) | |
998 | (setq ml (cdr ml)))) | |
999 | (when (and fix (not disable)) | |
1000 | (setq minor-mode-map-alist | |
1001 | (append (copy-sequence cua--mmap-list) minor-mode-map-alist)))) | |
1002 | (setq cua--ena-region-keymap | |
1003 | (and mark-active (not deactivate-mark))) | |
1004 | (setq cua--ena-prefix-override-keymap | |
1005 | (and cua--ena-region-keymap | |
1006 | cua-enable-cua-keys | |
1007 | (or (eq cua-enable-cua-keys t) | |
1008 | (not cua--explicit-region-start)) | |
1009 | (not executing-kbd-macro) | |
1010 | (not cua--prefix-override-timer))) | |
1011 | (setq cua--ena-prefix-repeat-keymap | |
1012 | (and cua--ena-region-keymap | |
1013 | (timerp cua--prefix-override-timer))) | |
1014 | (setq cua--ena-cua-keys-keymap | |
1015 | (and cua-enable-cua-keys | |
1016 | (or (eq cua-enable-cua-keys t) | |
1017 | cua--last-region-shifted))) | |
1018 | (setq cua--ena-global-mark-keymap | |
1019 | (and cua--global-mark-active | |
1020 | (not (window-minibuffer-p))))) | |
1021 | ||
1022 | (defvar cua--keymaps-initalized nil) | |
1023 | ||
1024 | (defun cua--init-keymaps () | |
1025 | (unless (eq cua-use-hyper-key 'only) | |
1026 | (define-key cua-global-keymap [(shift return)] 'cua-set-rectangle-mark)) | |
1027 | (when cua-use-hyper-key | |
1028 | (cua--M/H-key cua-global-keymap 'space 'cua-set-rectangle-mark) | |
1029 | (define-key cua-global-keymap [(hyper mouse-1)] 'cua-mouse-set-rectangle-mark)) | |
1030 | ||
1031 | (define-key cua-global-keymap [(shift control ? )] 'cua-toggle-global-mark) | |
1032 | ||
1033 | ;; replace region with rectangle or element on kill ring | |
1034 | (define-key cua-global-keymap [remap yank] 'cua-paste) | |
1035 | (define-key cua-global-keymap [remap clipboard-yank] 'cua-paste) | |
1036 | ;; replace current yank with previous kill ring element | |
1037 | (define-key cua-global-keymap [remap yank-pop] 'cua-paste-pop) | |
1038 | ;; set mark | |
1039 | (define-key cua-global-keymap [remap set-mark-command] 'cua-set-mark) | |
1040 | ;; undo | |
1041 | (define-key cua-global-keymap [remap undo] 'cua-undo) | |
1042 | (define-key cua-global-keymap [remap advertised-undo] 'cua-undo) | |
1043 | ||
1044 | (define-key cua--cua-keys-keymap [(control x) timeout] 'kill-region) | |
1045 | (define-key cua--cua-keys-keymap [(shift control x)] 'Control-X-prefix) | |
1046 | (define-key cua--cua-keys-keymap [(control c) timeout] 'copy-region-as-kill) | |
1047 | (define-key cua--cua-keys-keymap [(shift control c)] 'mode-specific-command-prefix) | |
1048 | (define-key cua--cua-keys-keymap [(control z)] 'undo) | |
1049 | (define-key cua--cua-keys-keymap [(control v)] 'yank) | |
1050 | (define-key cua--cua-keys-keymap [remap exchange-point-and-mark] 'cua-exchange-point-and-mark) | |
1051 | ||
1052 | (define-key cua--prefix-override-keymap [(control x)] 'cua--prefix-override-handler) | |
1053 | (define-key cua--prefix-override-keymap [(control c)] 'cua--prefix-override-handler) | |
1054 | ||
1055 | (define-key cua--prefix-repeat-keymap [(control x) (control x)] 'cua--prefix-repeat-handler) | |
1056 | (define-key cua--prefix-repeat-keymap [(control x) up] 'cua--prefix-cut-handler) | |
1057 | (define-key cua--prefix-repeat-keymap [(control x) down] 'cua--prefix-cut-handler) | |
1058 | (define-key cua--prefix-repeat-keymap [(control x) left] 'cua--prefix-cut-handler) | |
1059 | (define-key cua--prefix-repeat-keymap [(control x) right] 'cua--prefix-cut-handler) | |
1060 | (define-key cua--prefix-repeat-keymap [(control c) (control c)] 'cua--prefix-repeat-handler) | |
1061 | (define-key cua--prefix-repeat-keymap [(control c) up] 'cua--prefix-copy-handler) | |
1062 | (define-key cua--prefix-repeat-keymap [(control c) down] 'cua--prefix-copy-handler) | |
1063 | (define-key cua--prefix-repeat-keymap [(control c) left] 'cua--prefix-copy-handler) | |
1064 | (define-key cua--prefix-repeat-keymap [(control c) right] 'cua--prefix-copy-handler) | |
1065 | ||
1066 | ;; replace current region | |
1067 | (define-key cua--region-keymap [remap self-insert-command] 'cua-replace-region) | |
1068 | (define-key cua--region-keymap [remap self-insert-iso] 'cua-replace-region) | |
1069 | (define-key cua--region-keymap [remap insert-register] 'cua-replace-region) | |
1070 | (define-key cua--region-keymap [remap newline-and-indent] 'cua-replace-region) | |
1071 | (define-key cua--region-keymap [remap newline] 'cua-replace-region) | |
1072 | (define-key cua--region-keymap [remap open-line] 'cua-replace-region) | |
1073 | ;; delete current region | |
1074 | (define-key cua--region-keymap [remap delete-backward-char] 'cua-delete-region) | |
1075 | (define-key cua--region-keymap [remap backward-delete-char] 'cua-delete-region) | |
1076 | (define-key cua--region-keymap [remap backward-delete-char-untabify] 'cua-delete-region) | |
1077 | (define-key cua--region-keymap [remap delete-char] 'cua-delete-region) | |
1078 | ;; kill region | |
1079 | (define-key cua--region-keymap [remap kill-region] 'cua-cut-region) | |
1080 | ;; copy region | |
1081 | (define-key cua--region-keymap [remap copy-region-as-kill] 'cua-copy-region) | |
1082 | (define-key cua--region-keymap [remap kill-ring-save] 'cua-copy-region) | |
1083 | ;; cancel current region/rectangle | |
1084 | (define-key cua--region-keymap [remap keyboard-escape-quit] 'cua-cancel) | |
1085 | (define-key cua--region-keymap [remap keyboard-quit] 'cua-cancel) | |
1086 | ) | |
1087 | ||
1088 | ||
1089 | ;;;###autoload | |
1090 | (defun cua-mode (&optional arg) | |
1091 | "Toggle CUA key-binding mode. | |
1092 | When enabled, using shifted movement keys will activate the region (and | |
1093 | highlight the region using `transient-mark-mode'), and typed text replaces | |
1094 | the active selection. C-z, C-x, C-c, and C-v will undo, cut, copy, and | |
1095 | paste (in addition to the normal emacs bindings)." | |
1096 | (interactive "P") | |
1097 | (setq cua-mode | |
1098 | (cond | |
1099 | ((null arg) (not cua-mode)) | |
1100 | ((symbolp arg) t) | |
1101 | (t (> (prefix-numeric-value arg) 0)))) | |
1102 | ||
1103 | (setq mark-even-if-inactive t) | |
1104 | (setq highlight-nonselected-windows nil) | |
1105 | (make-variable-buffer-local 'cua--explicit-region-start) | |
1106 | (make-variable-buffer-local 'cua--status-string) | |
1107 | ||
1108 | (unless cua--keymaps-initalized | |
1109 | (cua--init-keymaps) | |
1110 | (setq cua--keymaps-initalized t)) | |
1111 | ||
1112 | (if cua-mode | |
1113 | (progn | |
1114 | (add-hook 'pre-command-hook 'cua--pre-command-handler) | |
1115 | (add-hook 'post-command-hook 'cua--post-command-handler) | |
1116 | (if (and cua-enable-modeline-indications (not (assoc 'cua-mode minor-mode-alist))) | |
1117 | (setq minor-mode-alist (cons '(cua-mode cua--status-string) minor-mode-alist))) | |
1118 | ) | |
1119 | (remove-hook 'pre-command-hook 'cua--pre-command-handler) | |
1120 | (remove-hook 'post-command-hook 'cua--post-command-handler)) | |
1121 | (cua--fix-keymaps (not cua-mode)) | |
1122 | (if (fboundp 'cua--rectangle-on-off) | |
1123 | (cua--rectangle-on-off cua-mode)) | |
1124 | (setq transient-mark-mode (and cua-mode | |
1125 | (if cua-highlight-region-shift-only | |
1126 | (not cua--explicit-region-start) | |
1127 | t)))) | |
1128 | ||
1129 | (defun cua-debug () | |
1130 | "Toggle cua debugging." | |
1131 | (interactive) | |
1132 | (setq cua--debug (not cua--debug))) | |
1133 | ||
1134 | ;;; cua-base.el ends here |