1;;; cua-gmrk.el --- CUA unified global mark support 2 3;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 4;; 2005, 2006, 2007 Free Software Foundation, Inc. 5 6;; Author: Kim F. Storm <storm@cua.dk> 7;; Keywords: keyboard emulations convenience cua mark 8 9;; This file is part of GNU Emacs. 10 11;; GNU Emacs is free software; you can redistribute it and/or modify 12;; it under the terms of the GNU General Public License as published by 13;; the Free Software Foundation; either version 2, or (at your option) 14;; any later version. 15 16;; GNU Emacs is distributed in the hope that it will be useful, 17;; but WITHOUT ANY WARRANTY; without even the implied warranty of 18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19;; GNU General Public License for more details. 20 21;; You should have received a copy of the GNU General Public License 22;; along with GNU Emacs; see the file COPYING. If not, write to the 23;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 24;; Boston, MA 02110-1301, USA. 25 26;;; Commentary: 27 28;;; Code: 29 30(provide 'cua-gmrk) 31 32(eval-when-compile 33 (require 'cua-base) 34 (require 'cua-rect) 35 ) 36 37;;; Global Marker 38 39;; Non-nil when global marker is active. 40(defvar cua--global-mark-active nil) 41 42;; Global mark position marker. 43(defvar cua--global-mark-marker nil) 44 45;; Overlay for global mark position. 46(defvar cua--global-mark-overlay nil) 47 48;; Initialize global mark things once... 49(defvar cua--global-mark-initialized nil) 50 51;; Saved configured blink-cursor-interval 52(defvar cua--orig-blink-cursor-interval nil) 53 54(defun cua--deactivate-global-mark (&optional msg) 55 (when cua--global-mark-overlay 56 (delete-overlay cua--global-mark-overlay) 57 (setq cua--global-mark-overlay nil)) 58 (if (markerp cua--global-mark-marker) 59 (move-marker cua--global-mark-marker nil)) 60 (if cua--orig-blink-cursor-interval 61 (setq blink-cursor-interval cua--orig-blink-cursor-interval 62 cua--orig-blink-cursor-interval nil)) 63 (setq cua--global-mark-active nil) 64 (if msg 65 (message "Global Mark Cleared"))) 66 67(defun cua--activate-global-mark (&optional msg) 68 (if (not (markerp cua--global-mark-marker)) 69 (setq cua--global-mark-marker (make-marker))) 70 (when (eobp) 71 (insert " ") 72 (backward-char 1)) 73 (move-marker cua--global-mark-marker (point)) 74 (if (overlayp cua--global-mark-overlay) 75 (move-overlay cua--global-mark-overlay (point) (1+ (point))) 76 (setq cua--global-mark-overlay 77 (make-overlay (point) (1+ (point)))) 78 (overlay-put cua--global-mark-overlay 'face 'cua-global-mark)) 79 (if (and cua-global-mark-blink-cursor-interval 80 (not cua--orig-blink-cursor-interval)) 81 (setq cua--orig-blink-cursor-interval blink-cursor-interval 82 blink-cursor-interval cua-global-mark-blink-cursor-interval)) 83 (setq cua--global-mark-active t) 84 (if msg 85 (message "Global Mark Set"))) 86 87(defun cua--global-mark-active () 88 (if cua--global-mark-active 89 (or (and (markerp cua--global-mark-marker) 90 (marker-buffer cua--global-mark-marker)) 91 (and (cua--deactivate-global-mark nil) 92 nil)))) 93 94(defun cua-toggle-global-mark (stay) 95 "Set or cancel the global marker. 96When the global marker is set, CUA cut and copy commands will automatically 97insert the deleted or copied text before the global marker, even when the 98global marker is in another buffer. 99If the global marker isn't set, set the global marker at point in the current 100buffer. Otherwise jump to the global marker position and cancel it. 101With prefix argument, don't jump to global mark when cancelling it." 102 (interactive "P") 103 (unless cua--global-mark-initialized 104 (cua--init-global-mark)) 105 (if (not (cua--global-mark-active)) 106 (if (not buffer-read-only) 107 (cua--activate-global-mark t) 108 (ding) 109 (message "Cannot set global mark in read-only buffer")) 110 (when (not stay) 111 (pop-to-buffer (marker-buffer cua--global-mark-marker)) 112 (goto-char cua--global-mark-marker)) 113 (cua--deactivate-global-mark t))) 114 115(defun cua--insert-at-global-mark (str &optional msg) 116 ;; Insert string at global marker and move marker 117 (save-excursion 118 (set-buffer (marker-buffer cua--global-mark-marker)) 119 (goto-char (marker-position cua--global-mark-marker)) 120 (insert-for-yank str) 121 (cua--activate-global-mark)) 122 (if msg 123 (message "%s %d to global mark in %s:%d" msg 124 (length str) 125 (buffer-name (marker-buffer cua--global-mark-marker)) 126 (marker-position cua--global-mark-marker)))) 127 128(defun cua--delete-at-global-mark (arg &optional msg) 129 ;; Delete chars at global marker 130 (save-excursion 131 (set-buffer (marker-buffer cua--global-mark-marker)) 132 (goto-char (marker-position cua--global-mark-marker)) 133 (delete-char arg)) 134 (if msg 135 (message "%s %d chars at global mark in %s:%d" msg arg 136 (buffer-name (marker-buffer cua--global-mark-marker)) 137 (marker-position cua--global-mark-marker)))) 138 139(defun cua-copy-region-to-global-mark (start end) 140 "Copy region to global mark buffer/position." 141 (interactive "r") 142 (if (cua--global-mark-active) 143 (let ((src-buf (current-buffer))) 144 (save-excursion 145 (if (equal (marker-buffer cua--global-mark-marker) src-buf) 146 (let ((text (filter-buffer-substring start end nil t))) 147 (goto-char (marker-position cua--global-mark-marker)) 148 (insert text)) 149 (set-buffer (marker-buffer cua--global-mark-marker)) 150 (goto-char (marker-position cua--global-mark-marker)) 151 (insert-buffer-substring-as-yank src-buf start end)) 152 (cua--activate-global-mark) 153 (message "Copied %d to global mark in %s:%d" 154 (abs (- end start)) 155 (buffer-name (marker-buffer cua--global-mark-marker)) 156 (marker-position cua--global-mark-marker)))) 157 (cua--deactivate-global-mark) 158 (message "No Global Mark"))) 159 160(defun cua-cut-region-to-global-mark (start end) 161 "Move region to global buffer/position." 162 (interactive "r") 163 (if (cua--global-mark-active) 164 (let ((src-buf (current-buffer))) 165 (save-excursion 166 (if (equal (marker-buffer cua--global-mark-marker) src-buf) 167 (if (and (< start (marker-position cua--global-mark-marker)) 168 (< (marker-position cua--global-mark-marker) end)) 169 (message "Can't move region into itself") 170 (let ((text (filter-buffer-substring start end nil t)) 171 (p1 (copy-marker start)) 172 (p2 (copy-marker end))) 173 (goto-char (marker-position cua--global-mark-marker)) 174 (insert text) 175 (cua--activate-global-mark) 176 (delete-region (marker-position p1) (marker-position p2)) 177 (move-marker p1 nil) 178 (move-marker p2 nil))) 179 (set-buffer (marker-buffer cua--global-mark-marker)) 180 (goto-char (marker-position cua--global-mark-marker)) 181 (insert-buffer-substring src-buf start end) 182 (message "Moved %d to global mark in %s:%d" 183 (abs (- end start)) 184 (buffer-name (marker-buffer cua--global-mark-marker)) 185 (marker-position cua--global-mark-marker)) 186 (cua--activate-global-mark) 187 (set-buffer src-buf) 188 (delete-region start end)))) 189 (cua--deactivate-global-mark) 190 (message "No Global Mark"))) 191 192(defun cua--copy-rectangle-to-global-mark (as-text) 193 ;; Copy rectangle to global mark buffer/position. 194 (if (cua--global-mark-active) 195 (let ((src-buf (current-buffer)) 196 (text (cua--extract-rectangle))) 197 (save-excursion 198 (set-buffer (marker-buffer cua--global-mark-marker)) 199 (goto-char (marker-position cua--global-mark-marker)) 200 (if as-text 201 (while text 202 (insert-for-yank (car text)) 203 (if (setq text (cdr text)) 204 (insert "\n"))) 205 (cua--insert-rectangle text 'auto)) 206 (cua--activate-global-mark) 207 (message "Copied rectangle to global mark in %s:%d" 208 (buffer-name (marker-buffer cua--global-mark-marker)) 209 (marker-position cua--global-mark-marker)))) 210 (cua--deactivate-global-mark) 211 (message "No Global Mark"))) 212 213(defun cua--cut-rectangle-to-global-mark (as-text) 214 ;; Move rectangle to global buffer/position. 215 (if (cua--global-mark-active) 216 (let ((src-buf (current-buffer))) 217 (save-excursion 218 (if (equal (marker-buffer cua--global-mark-marker) src-buf) 219 (let ((olist (overlays-at (marker-position cua--global-mark-marker))) 220 in-rect) 221 (while olist 222 (if (eq (overlay-get (car olist) 'face) 'cua-rectangle) 223 (setq in-rect t olist nil) 224 (setq olist (cdr olist)))) 225 (if in-rect 226 (message "Can't move rectangle into itself") 227 (let ((text (cua--extract-rectangle))) 228 (cua--delete-rectangle) 229 (goto-char (marker-position cua--global-mark-marker)) 230 (if as-text 231 (while text 232 (insert-for-yank (car text)) 233 (if (setq text (cdr text)) 234 (insert "\n"))) 235 (cua--insert-rectangle text 'auto)) 236 (cua--activate-global-mark)))) 237 (let ((text (cua--extract-rectangle))) 238 (cua--delete-rectangle) 239 (set-buffer (marker-buffer cua--global-mark-marker)) 240 (goto-char (marker-position cua--global-mark-marker)) 241 (cua--insert-rectangle text 'auto)) 242 (message "Moved rectangle to global mark in %s:%d" 243 (buffer-name (marker-buffer cua--global-mark-marker)) 244 (marker-position cua--global-mark-marker)) 245 (cua--activate-global-mark)))) 246 (cua--deactivate-global-mark) 247 (message "No Global Mark"))) 248 249(defun cua-copy-to-global-mark () 250 "Copy active region/rectangle to global mark buffer/position." 251 (interactive) 252 (setq cua--last-killed-rectangle nil) 253 (if cua--rectangle 254 (cua--copy-rectangle-to-global-mark nil) 255 (let ((start (mark)) (end (point))) 256 (or (<= start end) 257 (setq start (prog1 end (setq end start)))) 258 (cua-copy-region-to-global-mark start end)))) 259 260(defun cua-copy-next-to-global-mark (n) 261 "Copy the following N characters in buffer to global mark buffer/position." 262 (interactive "p") 263 (setq cua--last-killed-rectangle nil) 264 (or (eobp) 265 (let ((p (point))) 266 (goto-char (+ p n)) 267 (cua-copy-region-to-global-mark p (point))))) 268 269(defun cua-cut-to-global-mark () 270 "Move active region/rectangle to global mark buffer/position." 271 (interactive) 272 (if buffer-read-only 273 (cua-copy-to-global-mark) 274 (setq cua--last-killed-rectangle nil) 275 (if cua--rectangle 276 (cua--cut-rectangle-to-global-mark nil) 277 (let ((start (mark)) (end (point))) 278 (or (<= start end) 279 (setq start (prog1 end (setq end start)))) 280 (cua-cut-region-to-global-mark start end))))) 281 282(defun cua-cut-next-to-global-mark (n) 283 "Move the following N characters in buffer to global mark buffer/position." 284 (interactive "p") 285 (setq cua--last-killed-rectangle nil) 286 (or (eobp) 287 (let ((p (point))) 288 (goto-char (+ p n)) 289 (cua-cut-region-to-global-mark p (point))))) 290 291(defun cua-delete-char-at-global-mark (arg) 292 "Delete character following the global mark position." 293 (interactive "p") 294 (cua--delete-at-global-mark arg "Deleted")) 295 296(defun cua-delete-backward-char-at-global-mark (arg) 297 "Delete character before the global mark position." 298 (interactive "p") 299 (cua--delete-at-global-mark (- arg) "Deleted backward")) 300 301(defun cua-insert-char-at-global-mark () 302 "Insert the character you type at the global mark position." 303 (interactive) 304 (cua--insert-at-global-mark (char-to-string (aref (this-single-command-keys) 0)) "Inserted")) 305 306(defun cua-insert-newline-at-global-mark () 307 "Insert a newline at the global mark position." 308 (interactive) 309 (cua--insert-at-global-mark "\n")) 310 311(defun cua-indent-to-global-mark-column () 312 "Indent current line or rectangle to global mark column." 313 (interactive "*") 314 (if (cua--global-mark-active) 315 (let (col) 316 (save-excursion 317 (set-buffer (marker-buffer cua--global-mark-marker)) 318 (goto-char (marker-position cua--global-mark-marker)) 319 (setq col (current-column))) 320 (if cua--rectangle 321 (cua--indent-rectangle nil col t) 322 (indent-to col)) 323 (if (eq (current-buffer) (marker-buffer cua--global-mark-marker)) 324 (save-excursion 325 (goto-char (marker-position cua--global-mark-marker)) 326 (move-to-column col) 327 (move-marker cua--global-mark-marker (point)) 328 (move-overlay cua--global-mark-overlay (point) (1+ (point)))))))) 329 330 331(defun cua-cancel-global-mark () 332 "Cancel the global mark." 333 (interactive) 334 (if mark-active 335 (cua-cancel) 336 (if (cua--global-mark-active) 337 (cua--deactivate-global-mark t))) 338 (cua--fallback)) 339 340;;; Post-command hook for global mark. 341 342(defun cua--global-mark-post-command () 343 (when (and (cua--global-mark-active) ;; Updates cua--global-mark-active variable 344 cua-global-mark-keep-visible) 345 ;; keep global mark position visible 346 (sit-for 0) 347 (if (or (not (eq (current-buffer) (marker-buffer cua--global-mark-marker))) 348 (not (pos-visible-in-window-p (marker-position cua--global-mark-marker)))) 349 (let ((w (selected-window)) (p (point)) h) 350 ;; The following code is an attempt to keep the global mark visible in 351 ;; other window -- but it doesn't work. 352 (switch-to-buffer-other-window (marker-buffer cua--global-mark-marker) t) 353 (goto-char (marker-position cua--global-mark-marker)) 354 (if (not (pos-visible-in-window-p (marker-position cua--global-mark-marker))) 355 (recenter (if (> (setq h (- (window-height) 4)) 1) h '(4)))) 356 (select-window w) 357 (goto-char p))))) 358 359;;; Initialization 360 361(defun cua--init-global-mark () 362 (define-key cua--global-mark-keymap [remap copy-region-as-kill] 'cua-copy-to-global-mark) 363 (define-key cua--global-mark-keymap [remap kill-ring-save] 'cua-copy-to-global-mark) 364 (define-key cua--global-mark-keymap [remap kill-region] 'cua-cut-to-global-mark) 365 (define-key cua--global-mark-keymap [remap yank] 'cua-copy-next-to-global-mark) 366 367 (define-key cua--global-mark-keymap [remap keyboard-escape-quit] 'cua-cancel-global-mark) 368 (define-key cua--global-mark-keymap [remap keyboard-quit] 'cua-cancel-global-mark) 369 370 (define-key cua--global-mark-keymap [(control ?d)] 'cua-cut-next-to-global-mark) 371 (define-key cua--global-mark-keymap [remap delete-backward-char] 'cua-delete-backward-char-at-global-mark) 372 (define-key cua--global-mark-keymap [remap backward-delete-char] 'cua-delete-backward-char-at-global-mark) 373 (define-key cua--global-mark-keymap [remap backward-delete-char-untabify] 'cua-delete-backward-char-at-global-mark) 374 (define-key cua--global-mark-keymap [remap self-insert-command] 'cua-insert-char-at-global-mark) 375 (define-key cua--global-mark-keymap [remap self-insert-iso] 'cua-insert-char-at-global-mark) 376 377 ;; Catch self-inserting characters which are "stolen" by other modes 378 (define-key cua--global-mark-keymap [t] 379 '(menu-item "sic" cua-insert-char-at-global-mark :filter cua--self-insert-char-p)) 380 381 (define-key cua--global-mark-keymap [remap newline] 'cua-insert-newline-at-global-mark) 382 (define-key cua--global-mark-keymap [remap newline-and-indent] 'cua-insert-newline-at-global-mark) 383 (define-key cua--global-mark-keymap "\r" 'cua-insert-newline-at-global-mark) 384 385 (define-key cua--global-mark-keymap "\t" 'cua-indent-to-global-mark-column) 386 387 (setq cua--global-mark-initialized t)) 388 389;;; arch-tag: 553d8076-a91d-48ae-825d-6cb962a5f67f 390;;; cua-gmrk.el ends here 391