[bpt/emacs.git] / lisp / emulation / cua-gmrk.el

;;; cua-gmrk.el --- CUA unified global mark support

;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.

;; Author: Kim F. Storm <storm@cua.dk>
;; Keywords: keyboard emulations convenience cua mark

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Commentary:

;;; Code:

(eval-when-compile
  (require 'cua-base)
  (require 'cua-rect)
  )

;;; Global Marker

;; Non-nil when global marker is active.
(defvar cua--global-mark-active nil)

;; Global mark position marker.
(defvar cua--global-mark-marker nil)

;; Overlay for global mark position.
(defvar cua--global-mark-overlay nil)

;; Initialize global mark things once...
(defvar cua--global-mark-initialized nil)

;; Saved configured blink-cursor-interval
(defvar cua--orig-blink-cursor-interval nil)

(defun cua--deactivate-global-mark (&optional msg)
  (when cua--global-mark-overlay
    (delete-overlay cua--global-mark-overlay)
    (setq cua--global-mark-overlay nil))
  (if (markerp cua--global-mark-marker)
      (move-marker cua--global-mark-marker nil))
  (if cua--orig-blink-cursor-interval
      (setq blink-cursor-interval cua--orig-blink-cursor-interval
	    cua--orig-blink-cursor-interval nil))
  (setq cua--global-mark-active nil)
  (if msg
      (message "Global Mark Cleared")))

(defun cua--activate-global-mark (&optional msg)
  (if (not (markerp cua--global-mark-marker))
      (setq cua--global-mark-marker (make-marker)))
  (when (eobp)
    (insert " ")
    (backward-char 1))
  (move-marker cua--global-mark-marker (point))
  (if (overlayp cua--global-mark-overlay)
      (move-overlay cua--global-mark-overlay (point) (1+ (point)))
    (setq cua--global-mark-overlay
	  (make-overlay (point) (1+ (point))))
    (overlay-put cua--global-mark-overlay 'face 'cua-global-mark))
  (if (and cua-global-mark-blink-cursor-interval
	   (not cua--orig-blink-cursor-interval))
      (setq cua--orig-blink-cursor-interval blink-cursor-interval
	    blink-cursor-interval cua-global-mark-blink-cursor-interval))
  (setq cua--global-mark-active t)
  (if msg
      (message "Global Mark Set")))

(defun cua--global-mark-active ()
  (if cua--global-mark-active
      (or (and (markerp cua--global-mark-marker)
	       (marker-buffer cua--global-mark-marker))
	  (and (cua--deactivate-global-mark nil)
	       nil))))

(defun cua-toggle-global-mark (stay)
  "Set or cancel the global marker.
When the global marker is set, CUA cut and copy commands will automatically
insert the deleted or copied text before the global marker, even when the
global marker is in another buffer.
If the global marker isn't set, set the global marker at point in the current
buffer.  Otherwise jump to the global marker position and cancel it.
With prefix argument, don't jump to global mark when cancelling it."
  (interactive "P")
  (unless cua--global-mark-initialized
    (cua--init-global-mark))
  (if (not (cua--global-mark-active))
      (if (not buffer-read-only)
	  (cua--activate-global-mark t)
	(ding)
	(message "Cannot set global mark in read-only buffer"))
    (when (not stay)
      (pop-to-buffer (marker-buffer cua--global-mark-marker))
      (goto-char cua--global-mark-marker))
    (cua--deactivate-global-mark t)))

(defun cua--insert-at-global-mark (str &optional msg)
  ;; Insert string at global marker and move marker
  (save-excursion
    (set-buffer (marker-buffer cua--global-mark-marker))
    (goto-char (marker-position cua--global-mark-marker))
    (insert-for-yank str)
    (cua--activate-global-mark))
  (if msg
      (message "%s %d to global mark in %s:%d" msg
	       (length str)
	       (buffer-name (marker-buffer cua--global-mark-marker))
	       (marker-position cua--global-mark-marker))))

(defun cua--delete-at-global-mark (arg &optional msg)
  ;; Delete chars at global marker
  (save-excursion
    (set-buffer (marker-buffer cua--global-mark-marker))
    (goto-char (marker-position cua--global-mark-marker))
    (delete-char arg))
  (if msg
      (message "%s %d chars at global mark in %s:%d" msg arg
	       (buffer-name (marker-buffer cua--global-mark-marker))
	       (marker-position cua--global-mark-marker))))

(defun cua-copy-region-to-global-mark (start end)
  "Copy region to global mark buffer/position."
  (interactive "r")
  (if (cua--global-mark-active)
      (let ((src-buf (current-buffer)))
	(save-excursion
	  (if (equal (marker-buffer cua--global-mark-marker) src-buf)
	      (let ((text (filter-buffer-substring start end nil t)))
		(goto-char (marker-position cua--global-mark-marker))
		(insert text))
	    (set-buffer (marker-buffer cua--global-mark-marker))
	    (goto-char (marker-position cua--global-mark-marker))
	    (insert-buffer-substring-as-yank src-buf start end))
	  (cua--activate-global-mark)
	  (message "Copied %d to global mark in %s:%d"
		   (abs (- end start))
		   (buffer-name (marker-buffer cua--global-mark-marker))
		   (marker-position cua--global-mark-marker))))
    (cua--deactivate-global-mark)
    (message "No Global Mark")))

(defun cua-cut-region-to-global-mark (start end)
  "Move region to global buffer/position."
  (interactive "r")
  (if (cua--global-mark-active)
      (let ((src-buf (current-buffer)))
	(save-excursion
	  (if (equal (marker-buffer cua--global-mark-marker) src-buf)
	      (if (and (< start (marker-position cua--global-mark-marker))
		       (< (marker-position cua--global-mark-marker) end))
		  (message "Can't move region into itself")
		(let ((text (filter-buffer-substring start end nil t))
		      (p1 (copy-marker start))
		      (p2 (copy-marker end)))
		  (goto-char (marker-position cua--global-mark-marker))
		  (insert text)
		  (cua--activate-global-mark)
		  (delete-region (marker-position p1) (marker-position p2))
		  (move-marker p1 nil)
		  (move-marker p2 nil)))
	    (set-buffer (marker-buffer cua--global-mark-marker))
	    (goto-char (marker-position cua--global-mark-marker))
	    (insert-buffer-substring src-buf start end)
	    (message "Moved %d to global mark in %s:%d"
		     (abs (- end start))
		     (buffer-name (marker-buffer cua--global-mark-marker))
		     (marker-position cua--global-mark-marker))
	    (cua--activate-global-mark)
	    (set-buffer src-buf)
	    (delete-region start end))))
    (cua--deactivate-global-mark)
    (message "No Global Mark")))

(defun cua--copy-rectangle-to-global-mark (as-text)
  ;; Copy rectangle to global mark buffer/position.
  (if (cua--global-mark-active)
      (let ((src-buf (current-buffer))
	    (text (cua--extract-rectangle)))
	(save-excursion
	  (set-buffer (marker-buffer cua--global-mark-marker))
	  (goto-char (marker-position cua--global-mark-marker))
	  (if as-text
	      (while text
		(insert-for-yank (car text))
		(if (setq text (cdr text))
		    (insert "\n")))
	    (cua--insert-rectangle text 'auto))
	  (cua--activate-global-mark)
	  (message "Copied rectangle to global mark in %s:%d"
		   (buffer-name (marker-buffer cua--global-mark-marker))
		   (marker-position cua--global-mark-marker))))
    (cua--deactivate-global-mark)
    (message "No Global Mark")))

(defun cua--cut-rectangle-to-global-mark (as-text)
  ;; Move rectangle to global buffer/position.
  (if (cua--global-mark-active)
      (let ((src-buf (current-buffer)))
	(save-excursion
	  (if (equal (marker-buffer cua--global-mark-marker) src-buf)
	      (let ((olist (overlays-at (marker-position cua--global-mark-marker)))
		    in-rect)
		(while olist
		  (if (eq (overlay-get (car olist) 'face) 'cua-rectangle)
		      (setq in-rect t olist nil)
		    (setq olist (cdr olist))))
		(if in-rect
		    (message "Can't move rectangle into itself")
		  (let ((text (cua--extract-rectangle)))
		    (cua--delete-rectangle)
		    (goto-char (marker-position cua--global-mark-marker))
		    (if as-text
			(while text
			  (insert-for-yank (car text))
			  (if (setq text (cdr text))
			      (insert "\n")))
		      (cua--insert-rectangle text 'auto))
		    (cua--activate-global-mark))))
	    (let ((text (cua--extract-rectangle)))
	      (cua--delete-rectangle)
	      (set-buffer (marker-buffer cua--global-mark-marker))
	      (goto-char (marker-position cua--global-mark-marker))
	      (cua--insert-rectangle text 'auto))
	    (message "Moved rectangle to global mark in %s:%d"
		     (buffer-name (marker-buffer cua--global-mark-marker))
		     (marker-position cua--global-mark-marker))
	    (cua--activate-global-mark))))
    (cua--deactivate-global-mark)
    (message "No Global Mark")))

(defun cua-copy-to-global-mark ()
  "Copy active region/rectangle to global mark buffer/position."
  (interactive)
  (setq cua--last-killed-rectangle nil)
  (if cua--rectangle
      (cua--copy-rectangle-to-global-mark nil)
    (let ((start (mark)) (end (point)))
      (or (<= start end)
	  (setq start (prog1 end (setq end start))))
      (cua-copy-region-to-global-mark start end))))

(defun cua-copy-next-to-global-mark (n)
  "Copy the following N characters in buffer to global mark buffer/position."
  (interactive "p")
  (setq cua--last-killed-rectangle nil)
  (or (eobp)
      (let ((p (point)))
	(goto-char (+ p n))
	(cua-copy-region-to-global-mark p (point)))))

(defun cua-cut-to-global-mark ()
  "Move active region/rectangle to global mark buffer/position."
  (interactive)
  (if buffer-read-only
      (cua-copy-to-global-mark)
    (setq cua--last-killed-rectangle nil)
    (if cua--rectangle
	(cua--cut-rectangle-to-global-mark nil)
      (let ((start (mark)) (end (point)))
	(or (<= start end)
	    (setq start (prog1 end (setq end start))))
	(cua-cut-region-to-global-mark start end)))))

(defun cua-cut-next-to-global-mark (n)
  "Move the following N characters in buffer to global mark buffer/position."
  (interactive "p")
  (setq cua--last-killed-rectangle nil)
  (or (eobp)
      (let ((p (point)))
	(goto-char (+ p n))
	(cua-cut-region-to-global-mark p (point)))))

(defun cua-delete-char-at-global-mark (arg)
  "Delete character following the global mark position."
  (interactive "p")
  (cua--delete-at-global-mark arg "Deleted"))

(defun cua-delete-backward-char-at-global-mark (arg)
  "Delete character before the global mark position."
  (interactive "p")
  (cua--delete-at-global-mark (- arg) "Deleted backward"))

(defun cua-insert-char-at-global-mark ()
  "Insert the character you type at the global mark position."
  (interactive)
  (cua--insert-at-global-mark (char-to-string (aref (this-single-command-keys) 0)) "Inserted"))

(defun cua-insert-newline-at-global-mark ()
  "Insert a newline at the global mark position."
  (interactive)
  (cua--insert-at-global-mark "\n"))

(defun cua-indent-to-global-mark-column ()
  "Indent current line or rectangle to global mark column."
  (interactive "*")
  (if (cua--global-mark-active)
      (let (col)
	(save-excursion
	  (set-buffer (marker-buffer cua--global-mark-marker))
	  (goto-char (marker-position cua--global-mark-marker))
	  (setq col (current-column)))
	(if cua--rectangle
	    (cua--indent-rectangle nil col t)
	  (indent-to col))
	(if (eq (current-buffer) (marker-buffer cua--global-mark-marker))
	    (save-excursion
	      (goto-char (marker-position cua--global-mark-marker))
	      (move-to-column col)
	      (move-marker cua--global-mark-marker (point))
	      (move-overlay cua--global-mark-overlay (point) (1+ (point))))))))


(defun cua-cancel-global-mark ()
  "Cancel the global mark."
  (interactive)
  (if mark-active
      (cua-cancel)
    (if (cua--global-mark-active)
	(cua--deactivate-global-mark t)))
  (cua--fallback))

;;; Post-command hook for global mark.

(defun cua--global-mark-post-command ()
  (when (and (cua--global-mark-active) ;; Updates cua--global-mark-active variable
	     cua-global-mark-keep-visible)
    ;; keep global mark position visible
    (sit-for 0)
    (if (or (not (eq (current-buffer) (marker-buffer cua--global-mark-marker)))
	    (not (pos-visible-in-window-p (marker-position cua--global-mark-marker))))
	(let ((w (selected-window)) (p (point)) h)
	  ;; The following code is an attempt to keep the global mark visible in
	  ;; other window -- but it doesn't work.
	  (switch-to-buffer-other-window (marker-buffer cua--global-mark-marker) t)
	  (goto-char (marker-position cua--global-mark-marker))
	  (if (not (pos-visible-in-window-p (marker-position cua--global-mark-marker)))
	      (recenter (if (> (setq h (- (window-height) 4)) 1) h '(4))))
	  (select-window w)
	  (goto-char p)))))

;;; Initialization

(defun cua--init-global-mark ()
  (define-key cua--global-mark-keymap [remap copy-region-as-kill]	'cua-copy-to-global-mark)
  (define-key cua--global-mark-keymap [remap kill-ring-save]		'cua-copy-to-global-mark)
  (define-key cua--global-mark-keymap [remap kill-region]		'cua-cut-to-global-mark)
  (define-key cua--global-mark-keymap [remap yank]			'cua-copy-next-to-global-mark)

  (define-key cua--global-mark-keymap [remap keyboard-escape-quit]	'cua-cancel-global-mark)
  (define-key cua--global-mark-keymap [remap keyboard-quit]		'cua-cancel-global-mark)

  (define-key cua--global-mark-keymap [(control ?d)]			'cua-cut-next-to-global-mark)
  (define-key cua--global-mark-keymap [remap delete-backward-char]	'cua-delete-backward-char-at-global-mark)
  (define-key cua--global-mark-keymap [remap backward-delete-char]	'cua-delete-backward-char-at-global-mark)
  (define-key cua--global-mark-keymap [remap backward-delete-char-untabify] 'cua-delete-backward-char-at-global-mark)
  (define-key cua--global-mark-keymap [remap self-insert-command]	'cua-insert-char-at-global-mark)
  (define-key cua--global-mark-keymap [remap self-insert-iso]		'cua-insert-char-at-global-mark)

  ;; Catch self-inserting characters which are "stolen" by other modes
  (define-key cua--global-mark-keymap [t]
    '(menu-item "sic" cua-insert-char-at-global-mark :filter cua--self-insert-char-p))

  (define-key cua--global-mark-keymap [remap newline]			'cua-insert-newline-at-global-mark)
  (define-key cua--global-mark-keymap [remap newline-and-indent]	'cua-insert-newline-at-global-mark)
  (define-key cua--global-mark-keymap "\r"				'cua-insert-newline-at-global-mark)

  (define-key cua--global-mark-keymap "\t"				'cua-indent-to-global-mark-column)

  (setq cua--global-mark-initialized t))

(provide 'cua-gmrk)

;; arch-tag: 553d8076-a91d-48ae-825d-6cb962a5f67f
;;; cua-gmrk.el ends here
Commit	Line	Data
72cc582e KS	1	;;; cua-gmrk.el --- CUA unified global mark support
72cc582e KS	2
5fd6d89f	3	;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
8b72699e	4	;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
72cc582e KS	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
e0085d62	13	;; the Free Software Foundation; either version 3, or (at your option)
72cc582e KS	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
3a35cf56 LK	23	;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
3a35cf56 LK	24	;; Boston, MA 02110-1301, USA.
72cc582e	25
30764597 PJ	26	;;; Commentary:
	27
	28	;;; Code:
72cc582e	29
72cc582e KS	30	(eval-when-compile
	31	(require 'cua-base)
	32	(require 'cua-rect)
	33	)
	34
a1506d29	35	;;; Global Marker
72cc582e KS	36
	37	;; Non-nil when global marker is active.
	38	(defvar cua--global-mark-active nil)
	39
	40	;; Global mark position marker.
	41	(defvar cua--global-mark-marker nil)
	42
	43	;; Overlay for global mark position.
	44	(defvar cua--global-mark-overlay nil)
	45
	46	;; Initialize global mark things once...
	47	(defvar cua--global-mark-initialized nil)
	48
	49	;; Saved configured blink-cursor-interval
	50	(defvar cua--orig-blink-cursor-interval nil)
	51
	52	(defun cua--deactivate-global-mark (&optional msg)
	53	(when cua--global-mark-overlay
	54	(delete-overlay cua--global-mark-overlay)
	55	(setq cua--global-mark-overlay nil))
	56	(if (markerp cua--global-mark-marker)
	57	(move-marker cua--global-mark-marker nil))
	58	(if cua--orig-blink-cursor-interval
	59	(setq blink-cursor-interval cua--orig-blink-cursor-interval
	60	cua--orig-blink-cursor-interval nil))
	61	(setq cua--global-mark-active nil)
	62	(if msg
	63	(message "Global Mark Cleared")))
	64
	65	(defun cua--activate-global-mark (&optional msg)
	66	(if (not (markerp cua--global-mark-marker))
	67	(setq cua--global-mark-marker (make-marker)))
	68	(when (eobp)
	69	(insert " ")
	70	(backward-char 1))
	71	(move-marker cua--global-mark-marker (point))
	72	(if (overlayp cua--global-mark-overlay)
	73	(move-overlay cua--global-mark-overlay (point) (1+ (point)))
a1506d29	74	(setq cua--global-mark-overlay
72cc582e	75	(make-overlay (point) (1+ (point))))
1e98d199	76	(overlay-put cua--global-mark-overlay 'face 'cua-global-mark))
72cc582e KS	77	(if (and cua-global-mark-blink-cursor-interval
72cc582e KS	78	(not cua--orig-blink-cursor-interval))
a1506d29	79	(setq cua--orig-blink-cursor-interval blink-cursor-interval
72cc582e KS	80	blink-cursor-interval cua-global-mark-blink-cursor-interval))
	81	(setq cua--global-mark-active t)
	82	(if msg
	83	(message "Global Mark Set")))
	84
	85	(defun cua--global-mark-active ()
	86	(if cua--global-mark-active
	87	(or (and (markerp cua--global-mark-marker)
	88	(marker-buffer cua--global-mark-marker))
	89	(and (cua--deactivate-global-mark nil)
	90	nil))))
	91
	92	(defun cua-toggle-global-mark (stay)
	93	"Set or cancel the global marker.
	94	When the global marker is set, CUA cut and copy commands will automatically
	95	insert the deleted or copied text before the global marker, even when the
	96	global marker is in another buffer.
	97	If the global marker isn't set, set the global marker at point in the current
c23eed1b	98	buffer. Otherwise jump to the global marker position and cancel it.
72cc582e KS	99	With prefix argument, don't jump to global mark when cancelling it."
	100	(interactive "P")
	101	(unless cua--global-mark-initialized
	102	(cua--init-global-mark))
	103	(if (not (cua--global-mark-active))
	104	(if (not buffer-read-only)
	105	(cua--activate-global-mark t)
	106	(ding)
c23eed1b	107	(message "Cannot set global mark in read-only buffer"))
72cc582e KS	108	(when (not stay)
	109	(pop-to-buffer (marker-buffer cua--global-mark-marker))
	110	(goto-char cua--global-mark-marker))
	111	(cua--deactivate-global-mark t)))
	112
	113	(defun cua--insert-at-global-mark (str &optional msg)
	114	;; Insert string at global marker and move marker
	115	(save-excursion
	116	(set-buffer (marker-buffer cua--global-mark-marker))
	117	(goto-char (marker-position cua--global-mark-marker))
	118	(insert-for-yank str)
	119	(cua--activate-global-mark))
	120	(if msg
	121	(message "%s %d to global mark in %s:%d" msg
	122	(length str)
	123	(buffer-name (marker-buffer cua--global-mark-marker))
	124	(marker-position cua--global-mark-marker))))
	125
	126	(defun cua--delete-at-global-mark (arg &optional msg)
	127	;; Delete chars at global marker
	128	(save-excursion
	129	(set-buffer (marker-buffer cua--global-mark-marker))
	130	(goto-char (marker-position cua--global-mark-marker))
	131	(delete-char arg))
	132	(if msg
	133	(message "%s %d chars at global mark in %s:%d" msg arg
	134	(buffer-name (marker-buffer cua--global-mark-marker))
	135	(marker-position cua--global-mark-marker))))
	136
	137	(defun cua-copy-region-to-global-mark (start end)
	138	"Copy region to global mark buffer/position."
	139	(interactive "r")
	140	(if (cua--global-mark-active)
	141	(let ((src-buf (current-buffer)))
	142	(save-excursion
	143	(if (equal (marker-buffer cua--global-mark-marker) src-buf)
a4dad45a	144	(let ((text (filter-buffer-substring start end nil t)))
72cc582e KS	145	(goto-char (marker-position cua--global-mark-marker))
	146	(insert text))
	147	(set-buffer (marker-buffer cua--global-mark-marker))
	148	(goto-char (marker-position cua--global-mark-marker))
	149	(insert-buffer-substring-as-yank src-buf start end))
	150	(cua--activate-global-mark)
	151	(message "Copied %d to global mark in %s:%d"
	152	(abs (- end start))
	153	(buffer-name (marker-buffer cua--global-mark-marker))
	154	(marker-position cua--global-mark-marker))))
	155	(cua--deactivate-global-mark)
	156	(message "No Global Mark")))
	157
	158	(defun cua-cut-region-to-global-mark (start end)
	159	"Move region to global buffer/position."
	160	(interactive "r")
	161	(if (cua--global-mark-active)
	162	(let ((src-buf (current-buffer)))
	163	(save-excursion
	164	(if (equal (marker-buffer cua--global-mark-marker) src-buf)
	165	(if (and (< start (marker-position cua--global-mark-marker))
	166	(< (marker-position cua--global-mark-marker) end))
c23eed1b	167	(message "Can't move region into itself")
a4dad45a	168	(let ((text (filter-buffer-substring start end nil t))
72cc582e KS	169	(p1 (copy-marker start))
	170	(p2 (copy-marker end)))
	171	(goto-char (marker-position cua--global-mark-marker))
	172	(insert text)
	173	(cua--activate-global-mark)
	174	(delete-region (marker-position p1) (marker-position p2))
	175	(move-marker p1 nil)
	176	(move-marker p2 nil)))
	177	(set-buffer (marker-buffer cua--global-mark-marker))
	178	(goto-char (marker-position cua--global-mark-marker))
	179	(insert-buffer-substring src-buf start end)
	180	(message "Moved %d to global mark in %s:%d"
	181	(abs (- end start))
	182	(buffer-name (marker-buffer cua--global-mark-marker))
	183	(marker-position cua--global-mark-marker))
	184	(cua--activate-global-mark)
	185	(set-buffer src-buf)
	186	(delete-region start end))))
	187	(cua--deactivate-global-mark)
	188	(message "No Global Mark")))
	189
	190	(defun cua--copy-rectangle-to-global-mark (as-text)
	191	;; Copy rectangle to global mark buffer/position.
	192	(if (cua--global-mark-active)
	193	(let ((src-buf (current-buffer))
	194	(text (cua--extract-rectangle)))
	195	(save-excursion
	196	(set-buffer (marker-buffer cua--global-mark-marker))
	197	(goto-char (marker-position cua--global-mark-marker))
	198	(if as-text
	199	(while text
	200	(insert-for-yank (car text))
	201	(if (setq text (cdr text))
	202	(insert "\n")))
	203	(cua--insert-rectangle text 'auto))
	204	(cua--activate-global-mark)
	205	(message "Copied rectangle to global mark in %s:%d"
	206	(buffer-name (marker-buffer cua--global-mark-marker))
	207	(marker-position cua--global-mark-marker))))
	208	(cua--deactivate-global-mark)
	209	(message "No Global Mark")))
	210
	211	(defun cua--cut-rectangle-to-global-mark (as-text)
	212	;; Move rectangle to global buffer/position.
	213	(if (cua--global-mark-active)
	214	(let ((src-buf (current-buffer)))
	215	(save-excursion
	216	(if (equal (marker-buffer cua--global-mark-marker) src-buf)
	217	(let ((olist (overlays-at (marker-position cua--global-mark-marker)))
	218	in-rect)
	219	(while olist
1e98d199	220	(if (eq (overlay-get (car olist) 'face) 'cua-rectangle)
72cc582e KS	221	(setq in-rect t olist nil)
	222	(setq olist (cdr olist))))
	223	(if in-rect
c23eed1b	224	(message "Can't move rectangle into itself")
72cc582e KS	225	(let ((text (cua--extract-rectangle)))
	226	(cua--delete-rectangle)
	227	(goto-char (marker-position cua--global-mark-marker))
	228	(if as-text
	229	(while text
	230	(insert-for-yank (car text))
	231	(if (setq text (cdr text))
	232	(insert "\n")))
	233	(cua--insert-rectangle text 'auto))
	234	(cua--activate-global-mark))))
	235	(let ((text (cua--extract-rectangle)))
	236	(cua--delete-rectangle)
	237	(set-buffer (marker-buffer cua--global-mark-marker))
	238	(goto-char (marker-position cua--global-mark-marker))
	239	(cua--insert-rectangle text 'auto))
	240	(message "Moved rectangle to global mark in %s:%d"
	241	(buffer-name (marker-buffer cua--global-mark-marker))
	242	(marker-position cua--global-mark-marker))
	243	(cua--activate-global-mark))))
	244	(cua--deactivate-global-mark)
	245	(message "No Global Mark")))
	246
	247	(defun cua-copy-to-global-mark ()
	248	"Copy active region/rectangle to global mark buffer/position."
	249	(interactive)
	250	(setq cua--last-killed-rectangle nil)
	251	(if cua--rectangle
	252	(cua--copy-rectangle-to-global-mark nil)
	253	(let ((start (mark)) (end (point)))
	254	(or (<= start end)
	255	(setq start (prog1 end (setq end start))))
	256	(cua-copy-region-to-global-mark start end))))
	257
	258	(defun cua-copy-next-to-global-mark (n)
	259	"Copy the following N characters in buffer to global mark buffer/position."
	260	(interactive "p")
	261	(setq cua--last-killed-rectangle nil)
	262	(or (eobp)
	263	(let ((p (point)))
	264	(goto-char (+ p n))
	265	(cua-copy-region-to-global-mark p (point)))))
	266
	267	(defun cua-cut-to-global-mark ()
	268	"Move active region/rectangle to global mark buffer/position."
	269	(interactive)
	270	(if buffer-read-only
	271	(cua-copy-to-global-mark)
	272	(setq cua--last-killed-rectangle nil)
	273	(if cua--rectangle
	274	(cua--cut-rectangle-to-global-mark nil)
	275	(let ((start (mark)) (end (point)))
	276	(or (<= start end)
	277	(setq start (prog1 end (setq end start))))
	278	(cua-cut-region-to-global-mark start end)))))
	279
	280	(defun cua-cut-next-to-global-mark (n)
	281	"Move the following N characters in buffer to global mark buffer/position."
	282	(interactive "p")
	283	(setq cua--last-killed-rectangle nil)
	284	(or (eobp)
	285	(let ((p (point)))
	286	(goto-char (+ p n))
	287	(cua-cut-region-to-global-mark p (point)))))
	288
289	(defun cua-delete-char-at-global-mark (arg)
290	"Delete character following the global mark position."
291	(interactive "p")
292	(cua--delete-at-global-mark arg "Deleted"))
293
294	(defun cua-delete-backward-char-at-global-mark (arg)
295	"Delete character before the global mark position."
296	(interactive "p")
297	(cua--delete-at-global-mark (- arg) "Deleted backward"))
298
299	(defun cua-insert-char-at-global-mark ()
300	"Insert the character you type at the global mark position."
301	(interactive)
302	(cua--insert-at-global-mark (char-to-string (aref (this-single-command-keys) 0)) "Inserted"))
303
304	(defun cua-insert-newline-at-global-mark ()
305	"Insert a newline at the global mark position."
306	(interactive)
307	(cua--insert-at-global-mark "\n"))
308
309	(defun cua-indent-to-global-mark-column ()
310	"Indent current line or rectangle to global mark column."
311	(interactive "*")
312	(if (cua--global-mark-active)
313	(let (col)
314	(save-excursion
315	(set-buffer (marker-buffer cua--global-mark-marker))
316	(goto-char (marker-position cua--global-mark-marker))
317	(setq col (current-column)))
318	(if cua--rectangle
319	(cua--indent-rectangle nil col t)
320	(indent-to col))
321	(if (eq (current-buffer) (marker-buffer cua--global-mark-marker))
322	(save-excursion
323	(goto-char (marker-position cua--global-mark-marker))
324	(move-to-column col)
325	(move-marker cua--global-mark-marker (point))
326	(move-overlay cua--global-mark-overlay (point) (1+ (point))))))))
a1506d29	327
72cc582e KS	328
	329	(defun cua-cancel-global-mark ()
	330	"Cancel the global mark."
	331	(interactive)
	332	(if mark-active
	333	(cua-cancel)
	334	(if (cua--global-mark-active)
	335	(cua--deactivate-global-mark t)))
	336	(cua--fallback))
	337
	338	;;; Post-command hook for global mark.
	339
	340	(defun cua--global-mark-post-command ()
	341	(when (and (cua--global-mark-active) ;; Updates cua--global-mark-active variable
	342	cua-global-mark-keep-visible)
	343	;; keep global mark position visible
	344	(sit-for 0)
	345	(if (or (not (eq (current-buffer) (marker-buffer cua--global-mark-marker)))
	346	(not (pos-visible-in-window-p (marker-position cua--global-mark-marker))))
	347	(let ((w (selected-window)) (p (point)) h)
a1506d29	348	;; The following code is an attempt to keep the global mark visible in
72cc582e KS	349	;; other window -- but it doesn't work.
	350	(switch-to-buffer-other-window (marker-buffer cua--global-mark-marker) t)
	351	(goto-char (marker-position cua--global-mark-marker))
	352	(if (not (pos-visible-in-window-p (marker-position cua--global-mark-marker)))
	353	(recenter (if (> (setq h (- (window-height) 4)) 1) h '(4))))
	354	(select-window w)
	355	(goto-char p)))))
	356
	357	;;; Initialization
	358
	359	(defun cua--init-global-mark ()
72cc582e KS	360	(define-key cua--global-mark-keymap [remap copy-region-as-kill] 'cua-copy-to-global-mark)
	361	(define-key cua--global-mark-keymap [remap kill-ring-save] 'cua-copy-to-global-mark)
	362	(define-key cua--global-mark-keymap [remap kill-region] 'cua-cut-to-global-mark)
	363	(define-key cua--global-mark-keymap [remap yank] 'cua-copy-next-to-global-mark)
	364
	365	(define-key cua--global-mark-keymap [remap keyboard-escape-quit] 'cua-cancel-global-mark)
	366	(define-key cua--global-mark-keymap [remap keyboard-quit] 'cua-cancel-global-mark)
	367
	368	(define-key cua--global-mark-keymap [(control ?d)] 'cua-cut-next-to-global-mark)
	369	(define-key cua--global-mark-keymap [remap delete-backward-char] 'cua-delete-backward-char-at-global-mark)
	370	(define-key cua--global-mark-keymap [remap backward-delete-char] 'cua-delete-backward-char-at-global-mark)
	371	(define-key cua--global-mark-keymap [remap backward-delete-char-untabify] 'cua-delete-backward-char-at-global-mark)
	372	(define-key cua--global-mark-keymap [remap self-insert-command] 'cua-insert-char-at-global-mark)
	373	(define-key cua--global-mark-keymap [remap self-insert-iso] 'cua-insert-char-at-global-mark)
f8b38495 KS	374
	375	;; Catch self-inserting characters which are "stolen" by other modes
	376	(define-key cua--global-mark-keymap [t]
	377	'(menu-item "sic" cua-insert-char-at-global-mark :filter cua--self-insert-char-p))
	378
72cc582e KS	379	(define-key cua--global-mark-keymap [remap newline] 'cua-insert-newline-at-global-mark)
	380	(define-key cua--global-mark-keymap [remap newline-and-indent] 'cua-insert-newline-at-global-mark)
	381	(define-key cua--global-mark-keymap "\r" 'cua-insert-newline-at-global-mark)
	382
	383	(define-key cua--global-mark-keymap "\t" 'cua-indent-to-global-mark-column)
	384
	385	(setq cua--global-mark-initialized t))
	386
88a25b18 GM	387	(provide 'cua-gmrk)
88a25b18 GM	388
cbee283d	389	;; arch-tag: 553d8076-a91d-48ae-825d-6cb962a5f67f
72cc582e	390	;;; cua-gmrk.el ends here