2021-03-07 03:33:45 +00:00
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;;; mouse-copy.el --- one-click text copy and move -*- lexical-binding: t -*-
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1996-09-25 03:34:52 +00:00
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2023-01-01 10:31:12 +00:00
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;; Copyright (C) 1996, 2001-2023 Free Software Foundation, Inc.
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1996-09-25 03:34:52 +00:00
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;; Author: John Heidemann <johnh@ISI.EDU>
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;; Keywords: mouse
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;; This file is part of GNU Emacs.
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2008-05-06 08:06:51 +00:00
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;; GNU Emacs is free software: you can redistribute it and/or modify
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1996-09-25 03:34:52 +00:00
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;; it under the terms of the GNU General Public License as published by
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2008-05-06 08:06:51 +00:00
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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1996-09-25 03:34:52 +00:00
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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2017-09-13 22:52:52 +00:00
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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1996-09-25 03:34:52 +00:00
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;;; Commentary:
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2008-04-15 15:25:18 +00:00
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;; What is ``mouse-copy.el''?
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;;
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;; It provides one-click text copy and move. Rather than the
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;; standard stroke-out-a-region (down-mouse-1, up-mouse-1) followed
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;; by a yank (down-mouse-2, up-mouse-2 or C-y), you can now stroke
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;; out a region and have it automatically pasted at the current
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;; point. You can also move text just as easily. Although the
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;; difference may not sound like much, it does make mousing text
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;; around a lot easier, IMHO.
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;;
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;; If you like mouse-copy, you should also check out mouse-drag
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;; for ``one-click scrolling''.
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;;
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2012-09-17 05:41:04 +00:00
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;; To use mouse-copy, place the following in your init file:
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2008-04-15 15:25:18 +00:00
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;; (require 'mouse-copy)
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;; (global-set-key [M-down-mouse-1] 'mouse-drag-secondary-pasting)
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;; (global-set-key [M-S-down-mouse-1] 'mouse-drag-secondary-moving)
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;;
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;; (These definitions override the old binding of M-mouse-1 to
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;; mouse-drag-secondary. I find I don't use that command much so its
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;; loss is not important, and it can be made up with a M-mouse-1
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;; followed by a M-mouse-3. I personally reserve M-mouse bindings
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;; for my window manager and bind everything to C-mouse.)
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;;
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;;
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;; History and related work:
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;;
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;; One-click copying and moving was inspired by lemacs-19.8.
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;; Throw-scrolling was inspired by MacPaint's ``hand'' and by Tk's
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;; mouse-2 scrolling. The package mouse-scroll.el by Tom Wurgler
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;; <twurgler@goodyear.com> is similar to mouse-drag-throw, but
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;; doesn't pass clicks through.
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;;
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;; Originally mouse-copy was part of a larger package.
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;; As of 11 July 96 the scrolling functions were split out
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;; in preparation for incorporation into (the future) emacs-19.32.
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;;
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;;
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;; Known Bugs:
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;;
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;; - Highlighting is sub-optimal under 19.29 and XFree86-3.1.1
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;; (see \\[mouse-copy-work-around-drag-bug] for details).
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;; - mouse-drag-secondary-pasting and mouse-drag-secondary-moving
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;; require X11R5 (or better) and so fail under older versions
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;; of Open Windows (like that present in Solaris/x86 2.1).
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;;
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;;
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;; Future plans:
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;;
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;; I read about the chording features of Plan-9's Acme environment at
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;; <http://www.zip.com.au/~cs/app/wily/auug.html>. I'd like
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;; to incorporate some of these ideas into mouse-copy. The only
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;; lose is that this is not the current Emacs Way Of Doing Things, so
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2021-09-14 06:43:18 +00:00
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;; there would be a learning curve for existing Emacs users.
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2008-04-15 15:25:18 +00:00
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;;
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;;
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;; Thanks:
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;;
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;; Thanks to Kai Grossjohann
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;; <grossjoh@dusty.informatik.uni-dortmund.de> for reporting bugs, to
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;; Tom Wurgler <twurgler@goodyear.com> for reporting bugs and
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;; suggesting fixes, and to Joel Graber <jgraber@ti.com> for
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;; prompting me to do drag-scrolling and for an initial
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;; implementation of horizontal drag-scrolling.
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;;
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;; -johnh, 11-Jul-96
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1996-09-25 03:34:52 +00:00
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;;; Code:
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;;
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;; move/paste code
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;;
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(defvar mouse-copy-last-paste-start nil
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"Internal to `mouse-drag-secondary-pasting'.")
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(defvar mouse-copy-last-paste-end nil
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"Internal to `mouse-drag-secondary-pasting'.")
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(defvar mouse-copy-have-drag-bug nil
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"Set to enable mouse-copy-work-around-drag-bug.
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See `mouse-copy-work-around-drag-bug' for details.")
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(defun mouse-copy-work-around-drag-bug (start-event end-event)
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2006-11-06 02:44:32 +00:00
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"Code to work around a bug in post-19.29 Emacs: it drops mouse-drag events.
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1996-09-25 03:34:52 +00:00
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The problem occurs under XFree86-3.1.1 (X11R6pl11) but not under X11R5,
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2006-11-06 02:44:32 +00:00
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and under post-19.29 but not early versions of Emacs.
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1996-09-25 03:34:52 +00:00
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19.29 and 19.30 seems to drop mouse drag events
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2021-09-14 06:43:18 +00:00
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sometimes. (Reproducible under XFree86-3.1.1 (X11R6pl11) and
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1996-09-25 03:34:52 +00:00
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XFree86-3.1.2 under Linux 1.2.x. Doesn't occur under X11R5 and SunOS
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4.1.1.)
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To see if you have the problem:
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2002-08-30 11:01:29 +00:00
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Disable this routine (with (setq mouse-copy-have-drag-bug nil)).
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1996-09-25 03:34:52 +00:00
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Click and drag for a while.
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If highlighting stops tracking, you have the bug.
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If you have the bug (or the real fix :-), please let me know."
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;; To work-around, call mouse-set-secondary with a fake
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;; drag event to set the overlay,
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;; the load the x-selection.
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(save-excursion
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(let*
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((start-posn (event-start start-event))
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(end-posn (event-end end-event))
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(end-buffer (window-buffer (posn-window end-posn)))
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;; First, figure out the region (left as point/mark).
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(range (progn
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(set-buffer end-buffer)
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(mouse-start-end (posn-point start-posn)
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(posn-point end-posn)
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(1- (event-click-count start-event)))))
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(beg (car range))
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(end (car (cdr range))))
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;; Second, set the overlay.
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(if mouse-secondary-overlay
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(move-overlay mouse-secondary-overlay beg end)
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(setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
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(overlay-put mouse-secondary-overlay 'face 'secondary-selection)
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;; Third, set the selection.
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;; (setq me-beg beg me-end end me-range range) ; for debugging
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(set-buffer end-buffer)
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Consolidate management/ownership of selections.
* lisp/select.el (gui-get-selection-alist): New method.
(gui-get-selection): Use it. Rename from x-get-selection.
(x-get-selection): Define as obsolete alias.
(x-get-clipboard): Mark obsolete.
(gui-get-primary-selection): New function.
(x-get-selection-value): Mark obsolete.
(gui-own-selection-alist, gui-disown-selection-alist)
(gui-selection-owner-p-alist): New methods.
(gui-set-selection): Use them. Rename from x-set-selection.
(x-set-selection): Define as obsolete alias.
(gui--valid-simple-selection-p): Rename from
x-valid-simple-selection-p.
* lisp/w32-common-fns.el (gui-own-selection, gui-disown-selection)
(gui-selection-owner-p, gui-get-selection): Define for w32.
(w32-get-selection-value): Rename from x-get-selection-value.
Use the new gui-last-selected-text.
* lisp/term/x-win.el (x-get-selection-value): Remove.
(x-clipboard-yank): Declare obsolete.
(gui-own-selection, gui-disown-selection, gui-get-selection)
(gui-selection-owner-p): Define for x.
* lisp/term/w32-win.el (w32-win-suspend-error): Rename from
x-win-suspend-error.
* lisp/term/pc-win.el (w16-get-selection-value): Rename from
x-get-selection-value.
(w16-selection-owner-p): Rename from x-selection-owner-p.
(gui-own-selection, gui-disown-selection, gui-get-selection)
(gui-selection-owner-p): Define for pc.
(w16--select-text): New function.
* lisp/term/ns-win.el (gui-own-selection, gui-disown-selection)
(gui-get-selection, gui-selection-owner-p): Define for ns.
* lisp/term.el (term-mouse-paste):
* lisp/mouse.el (mouse-yank-primary): Use gui-get-primary-selection.
* src/nsselect.m (ns-own-selection-internal, ns-disown-selection-internal):
Rename from the "x-" prefix.
2014-10-02 03:19:32 +00:00
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(gui-set-selection 'SECONDARY (buffer-substring beg end)))))
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1996-09-25 03:34:52 +00:00
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2003-02-04 12:29:42 +00:00
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1996-09-25 03:34:52 +00:00
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(defun mouse-drag-secondary-pasting (start-event)
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"Drag out a secondary selection, then paste it at the current point.
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To test this function, evaluate:
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2015-09-03 22:31:12 +00:00
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(global-set-key [M-down-mouse-1] \\='mouse-drag-secondary-pasting)
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1996-09-25 03:34:52 +00:00
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put the point at one place, then click and drag over some other region."
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(interactive "e")
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;; Work-around: We see and react to each part of a multi-click event
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;; as it proceeds. For a triple-event, this means the double-event
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;; has already copied something that the triple-event will re-copy
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;; (a Bad Thing). We therefore undo the prior insertion if we're on
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;; a multiple event.
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(if (and mouse-copy-last-paste-start
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(>= (event-click-count start-event) 2))
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(delete-region mouse-copy-last-paste-start
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mouse-copy-last-paste-end))
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;; HACK: We assume that mouse-drag-secondary returns nil if
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;; there's no secondary selection. This assumption holds as of
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;; emacs-19.22 but is not documented. It's not clear that there's
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;; any other way to get this information.
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(if (mouse-drag-secondary start-event)
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(progn
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(if mouse-copy-have-drag-bug
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(mouse-copy-work-around-drag-bug start-event last-input-event))
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;; Remember what we do so we can undo it, if necessary.
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(setq mouse-copy-last-paste-start (point))
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2015-04-29 06:32:09 +00:00
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(insert (gui-get-selection 'SECONDARY))
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1996-09-25 03:34:52 +00:00
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(setq mouse-copy-last-paste-end (point)))
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(setq mouse-copy-last-paste-start nil)))
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2003-02-04 12:29:42 +00:00
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1996-09-25 03:34:52 +00:00
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(defun mouse-kill-preserving-secondary ()
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"Kill the text in the secondary selection, but leave the selection set.
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This command is like \\[mouse-kill-secondary] (that is, the secondary
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selection is deleted and placed in the kill ring), except that it also
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leaves the secondary buffer active on exit.
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This command was derived from mouse-kill-secondary in emacs-19.28
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by johnh@ficus.cs.ucla.edu."
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(interactive)
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(let* ((keys (this-command-keys))
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(click (elt keys (1- (length keys)))))
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(or (eq (overlay-buffer mouse-secondary-overlay)
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(if (listp click)
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(window-buffer (posn-window (event-start click)))
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(current-buffer)))
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(error "Select or click on the buffer where the secondary selection is")))
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* x-dnd.el (x-dnd-maybe-call-test-function):
* window.el (split-window-vertically):
* whitespace.el (whitespace-help-on):
* vc-rcs.el (vc-rcs-consult-headers):
* userlock.el (ask-user-about-lock-help)
(ask-user-about-supersession-help):
* type-break.el (type-break-force-mode-line-update):
* time-stamp.el (time-stamp-conv-warn):
* terminal.el (te-set-output-log, te-more-break, te-filter)
(te-sentinel,terminal-emulator):
* term.el (make-term, term-exec, term-sentinel, term-read-input-ring)
(term-write-input-ring, term-check-source, term-start-output-log):
(term-display-buffer-line, term-dynamic-list-completions):
(term-ansi-make-term, serial-term):
* subr.el (selective-display):
* strokes.el (strokes-xpm-to-compressed-string, strokes-decode-buffer)
(strokes-encode-buffer, strokes-xpm-for-compressed-string):
* speedbar.el (speedbar-buffers-tail-notes, speedbar-buffers-item-info)
(speedbar-reconfigure-keymaps, speedbar-add-localized-speedbar-support)
(speedbar-remove-localized-speedbar-support)
(speedbar-set-mode-line-format, speedbar-create-tag-hierarchy)
(speedbar-update-special-contents, speedbar-buffer-buttons-engine)
(speedbar-buffers-line-directory):
* simple.el (shell-command-on-region, append-to-buffer)
(prepend-to-buffer):
* shadowfile.el (shadow-save-todo-file):
* scroll-bar.el (scroll-bar-set-window-start, scroll-bar-drag-1)
(scroll-bar-maybe-set-window-start):
* sb-image.el (speedbar-image-dump):
* saveplace.el (save-place-alist-to-file, save-places-to-alist)
(load-save-place-alist-from-file):
* ps-samp.el (ps-print-message-from-summary):
* ps-print.el (ps-flush-output, ps-insert-file, ps-get-boundingbox)
(ps-background-image, ps-begin-job, ps-do-despool):
* ps-bdf.el (bdf-find-file, bdf-read-font-info):
* printing.el (pr-interface, pr-ps-file-print, pr-find-buffer-visiting)
(pr-ps-message-from-summary, pr-lpr-message-from-summary):
(pr-call-process, pr-file-list, pr-interface-save):
* novice.el (disabled-command-function)
(enable-command, disable-command):
* mouse.el (mouse-buffer-menu-alist):
* mouse-copy.el (mouse-kill-preserving-secondary):
* macros.el (kbd-macro-query):
* ledit.el (ledit-go-to-lisp, ledit-go-to-liszt):
* informat.el (batch-info-validate):
* ido.el (ido-copy-current-word, ido-initiate-auto-merge):
* hippie-exp.el (try-expand-dabbrev-visible):
* help-mode.el (help-make-xrefs):
* help-fns.el (describe-variable):
* generic-x.el (bat-generic-mode-run-as-comint):
* finder.el (finder-mouse-select):
* find-dired.el (find-dired-sentinel):
* filesets.el (filesets-file-close):
* files.el (list-directory):
* faces.el (list-faces-display, describe-face):
* facemenu.el (list-colors-display):
* ezimage.el (ezimage-image-association-dump, ezimage-image-dump):
* epg.el (epg--process-filter, epg-cancel):
* epa.el (epa--marked-keys, epa--select-keys, epa-display-info)
(epa--read-signature-type):
* emerge.el (emerge-copy-as-kill-A, emerge-copy-as-kill-B)
(emerge-file-names):
* ehelp.el (electric-helpify):
* ediff.el (ediff-regions-wordwise, ediff-regions-linewise):
* ediff-vers.el (rcs-ediff-view-revision):
* ediff-util.el (ediff-setup):
* ediff-mult.el (ediff-append-custom-diff):
* ediff-diff.el (ediff-exec-process, ediff-process-sentinel)
(ediff-wordify):
* echistory.el (Electric-command-history-redo-expression):
* dos-w32.el (find-file-not-found-set-buffer-file-coding-system):
* disp-table.el (describe-display-table):
* dired.el (dired-find-buffer-nocreate):
* dired-aux.el (dired-rename-subdir, dired-dwim-target-directory):
* dabbrev.el (dabbrev--same-major-mode-p):
* chistory.el (list-command-history):
* apropos.el (apropos-documentation):
* allout.el (allout-obtain-passphrase):
(allout-copy-exposed-to-buffer):
(allout-verify-passphrase): Use with-current-buffer.
2009-11-13 22:19:45 +00:00
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(with-current-buffer (overlay-buffer mouse-secondary-overlay)
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1996-09-25 03:34:52 +00:00
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(kill-region (overlay-start mouse-secondary-overlay)
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(overlay-end mouse-secondary-overlay)))
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;; (delete-overlay mouse-secondary-overlay)
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Consolidate management/ownership of selections.
* lisp/select.el (gui-get-selection-alist): New method.
(gui-get-selection): Use it. Rename from x-get-selection.
(x-get-selection): Define as obsolete alias.
(x-get-clipboard): Mark obsolete.
(gui-get-primary-selection): New function.
(x-get-selection-value): Mark obsolete.
(gui-own-selection-alist, gui-disown-selection-alist)
(gui-selection-owner-p-alist): New methods.
(gui-set-selection): Use them. Rename from x-set-selection.
(x-set-selection): Define as obsolete alias.
(gui--valid-simple-selection-p): Rename from
x-valid-simple-selection-p.
* lisp/w32-common-fns.el (gui-own-selection, gui-disown-selection)
(gui-selection-owner-p, gui-get-selection): Define for w32.
(w32-get-selection-value): Rename from x-get-selection-value.
Use the new gui-last-selected-text.
* lisp/term/x-win.el (x-get-selection-value): Remove.
(x-clipboard-yank): Declare obsolete.
(gui-own-selection, gui-disown-selection, gui-get-selection)
(gui-selection-owner-p): Define for x.
* lisp/term/w32-win.el (w32-win-suspend-error): Rename from
x-win-suspend-error.
* lisp/term/pc-win.el (w16-get-selection-value): Rename from
x-get-selection-value.
(w16-selection-owner-p): Rename from x-selection-owner-p.
(gui-own-selection, gui-disown-selection, gui-get-selection)
(gui-selection-owner-p): Define for pc.
(w16--select-text): New function.
* lisp/term/ns-win.el (gui-own-selection, gui-disown-selection)
(gui-get-selection, gui-selection-owner-p): Define for ns.
* lisp/term.el (term-mouse-paste):
* lisp/mouse.el (mouse-yank-primary): Use gui-get-primary-selection.
* src/nsselect.m (ns-own-selection-internal, ns-disown-selection-internal):
Rename from the "x-" prefix.
2014-10-02 03:19:32 +00:00
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;; (gui-set-selection 'SECONDARY nil)
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1996-09-25 03:34:52 +00:00
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;; (setq mouse-secondary-overlay nil)
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)
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(defun mouse-drag-secondary-moving (start-event)
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"Sweep out a secondary selection, then move it to the current point."
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(interactive "e")
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;; HACK: We assume that mouse-drag-secondary returns nil if
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;; there's no secondary selection. This works as of emacs-19.22.
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;; It's not clear that there's any other way to get this information.
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(if (mouse-drag-secondary start-event)
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(progn
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(mouse-kill-preserving-secondary)
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2021-03-07 03:33:45 +00:00
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(insert (gui-get-selection 'SECONDARY)))))
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1996-09-25 03:34:52 +00:00
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(provide 'mouse-copy)
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;;; mouse-copy.el ends here
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