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589 lines
19 KiB
EmacsLisp
589 lines
19 KiB
EmacsLisp
;;; mouse.el --- window system-independent mouse support.
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;;; Copyright (C) 1988, 1992 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; Keywords: hardware
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;;; This file is part of GNU Emacs.
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;;; GNU Emacs is free software; you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 2, or (at your option)
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;;; any later version.
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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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;;; along with GNU Emacs; see the file COPYING. If not, write to
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;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Utility functions.
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(defun mouse-movement-p (event)
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(and (consp event)
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(eq (car event) 'mouse-movement)))
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(defun event-window (event) (nth 1 event))
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(defun event-point (event) (nth 2 event))
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(defun mouse-coords (event) (nth 3 event))
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(defun mouse-timestamp (event) (nth 4 event))
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;;; Indent track-mouse like progn.
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(put 'track-mouse 'lisp-indent-function 0)
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(defun mouse-delete-window (click)
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"Delete the window clicked on.
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This must be bound to a mouse click."
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(interactive "e")
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(delete-window (event-window click)))
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(defun mouse-delete-other-windows (click)
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"Select Emacs window clicked on, then kill all other Emacs windows.
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This must be bound to a mouse click."
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(interactive "e")
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(select-window (event-window click))
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(delete-other-windows))
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(defun mouse-split-window-vertically (click)
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"Select Emacs window mouse is on, then split it vertically in half.
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The window is split at the line clicked on.
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This command must be bound to a mouse click."
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(interactive "e")
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(select-window (event-window click))
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(split-window-vertically (1+ (cdr (mouse-coords click)))))
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(defun mouse-set-point (click)
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"Move point to the position clicked on with the mouse.
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This must be bound to a mouse click."
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(interactive "e")
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(select-window (event-window click))
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(if (numberp (event-point click))
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(goto-char (event-point click))))
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(defun mouse-set-mark (click)
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"Set mark at the position clicked on with the mouse.
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Display cursor at that position for a second.
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This must be bound to a mouse click."
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(interactive "e")
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(let ((point-save (point)))
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(unwind-protect
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(progn (mouse-set-point click)
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(push-mark nil t)
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(sit-for 1))
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(goto-char point-save))))
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(defun mouse-kill (click)
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"Kill the region between point and the mouse click.
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The text is saved in the kill ring, as with \\[kill-region]."
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(interactive "e")
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(let ((click-posn (event-point click)))
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(if (numberp click-posn)
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(kill-region (min (point) click-posn)
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(max (point) click-posn)))))
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(defun mouse-yank-at-click (click arg)
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"Insert the last stretch of killed text at the position clicked on.
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Prefix arguments are interpreted as with \\[yank]."
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(interactive "e\nP")
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(mouse-set-point click)
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(yank arg))
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(defun mouse-kill-ring-save (click)
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"Copy the region between point and the mouse click in the kill ring.
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This does not delete the region; it acts like \\[kill-ring-save]."
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(interactive "e")
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(mouse-set-mark click)
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(call-interactively 'kill-ring-save))
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(defun mouse-buffer-menu (event)
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"Pop up a menu of buffers for selection with the mouse."
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(interactive "e")
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(let ((menu
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(list "Buffer Menu"
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(cons "Select Buffer"
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(let ((tail (buffer-list))
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head)
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(while tail
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(let ((elt (car tail)))
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(if (not (string-match "^ "
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(buffer-name elt)))
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(setq head (cons
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(cons
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(format
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"%14s %s"
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(buffer-name elt)
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(or (buffer-file-name elt) ""))
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elt)
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head))))
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(setq tail (cdr tail)))
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(reverse head))))))
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(switch-to-buffer (or (x-popup-menu event menu) (current-buffer)))))
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;; Commands for the scroll bar.
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(defun mouse-scroll-down (nlines)
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(interactive "@p")
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(scroll-down nlines))
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(defun mouse-scroll-up (nlines)
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(interactive "@p")
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(scroll-up nlines))
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(defun mouse-scroll-down-full ()
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(interactive "@")
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(scroll-down nil))
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(defun mouse-scroll-up-full ()
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(interactive "@")
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(scroll-up nil))
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(defun mouse-scroll-move-cursor (nlines)
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(interactive "@p")
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(move-to-window-line nlines))
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(defun mouse-scroll-absolute (event)
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(interactive "@e")
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(let* ((pos (car event))
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(position (car pos))
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(length (car (cdr pos))))
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(if (<= length 0) (setq length 1))
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(let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
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(newpos (* (/ (* (/ (buffer-size) scale-factor)
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position)
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length)
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scale-factor)))
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(goto-char newpos)
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(recenter '(4)))))
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(defun mouse-scroll-left (ncolumns)
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(interactive "@p")
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(scroll-left ncolumns))
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(defun mouse-scroll-right (ncolumns)
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(interactive "@p")
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(scroll-right ncolumns))
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(defun mouse-scroll-left-full ()
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(interactive "@")
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(scroll-left nil))
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(defun mouse-scroll-right-full ()
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(interactive "@")
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(scroll-right nil))
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(defun mouse-scroll-move-cursor-horizontally (ncolumns)
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(interactive "@p")
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(move-to-column ncolumns))
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(defun mouse-scroll-absolute-horizontally (event)
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(interactive "@e")
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(let* ((pos (car event))
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(position (car pos))
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(length (car (cdr pos))))
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(set-window-hscroll (selected-window) 33)))
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(global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
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(global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
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(global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
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(global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
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(global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
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(global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
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(global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
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(global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
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(global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
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(global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
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(global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
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(global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
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(global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
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(global-set-key [horizontal-scroll-bar mouse-2]
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'mouse-scroll-absolute-horizontally)
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(global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
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(global-set-key [horizontal-slider mouse-1]
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'mouse-scroll-move-cursor-horizontally)
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(global-set-key [horizontal-slider mouse-2]
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'mouse-scroll-move-cursor-horizontally)
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(global-set-key [horizontal-slider mouse-3]
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'mouse-scroll-move-cursor-horizontally)
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(global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
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(global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
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(global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
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(global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
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(global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
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(global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
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;;;;
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;;;; Here are experimental things being tested. Mouse events
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;;;; are of the form:
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;;;; ((x y) window screen-part key-sequence timestamp)
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;;
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;;;;
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;;;; Dynamically track mouse coordinates
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;;;;
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;;
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;;(defun track-mouse (event)
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;; "Track the coordinates, absolute and relative, of the mouse."
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;; (interactive "@e")
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;; (while mouse-grabbed
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;; (let* ((pos (read-mouse-position (selected-screen)))
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;; (abs-x (car pos))
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;; (abs-y (cdr pos))
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;; (relative-coordinate (coordinates-in-window-p
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;; (list (car pos) (cdr pos))
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;; (selected-window))))
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;; (if (consp relative-coordinate)
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;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
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;; (car relative-coordinate)
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;; (car (cdr relative-coordinate)))
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;; (message "mouse: [%d %d]" abs-x abs-y)))))
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;;
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;; Dynamically put a box around the line indicated by point
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;;
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;;
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;;(require 'backquote)
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;;
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;;(defun mouse-select-buffer-line (event)
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;; (interactive "@e")
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;; (let ((relative-coordinate
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;; (coordinates-in-window-p (car event) (selected-window)))
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;; (abs-y (car (cdr (car event)))))
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;; (if (consp relative-coordinate)
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;; (progn
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;; (save-excursion
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;; (move-to-window-line (car (cdr relative-coordinate)))
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;; (x-draw-rectangle
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;; (selected-screen)
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;; abs-y 0
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;; (save-excursion
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;; (move-to-window-line (car (cdr relative-coordinate)))
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;; (end-of-line)
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;; (push-mark nil t)
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;; (beginning-of-line)
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;; (- (region-end) (region-beginning))) 1))
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;; (sit-for 1)
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;; (x-erase-rectangle (selected-screen))))))
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;;
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;;(defvar last-line-drawn nil)
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;;(defvar begin-delim "[^ \t]")
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;;(defvar end-delim "[^ \t]")
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;;
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;;(defun mouse-boxing (event)
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;; (interactive "@e")
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;; (save-excursion
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;; (let ((screen (selected-screen)))
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;; (while (= (x-mouse-events) 0)
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;; (let* ((pos (read-mouse-position screen))
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;; (abs-x (car pos))
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;; (abs-y (cdr pos))
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;; (relative-coordinate
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;; (coordinates-in-window-p (` ((, abs-x) (, abs-y)))
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;; (selected-window)))
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;; (begin-reg nil)
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;; (end-reg nil)
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;; (end-column nil)
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;; (begin-column nil))
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;; (if (and (consp relative-coordinate)
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;; (or (not last-line-drawn)
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;; (not (= last-line-drawn abs-y))))
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;; (progn
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;; (move-to-window-line (car (cdr relative-coordinate)))
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;; (if (= (following-char) 10)
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;; ()
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;; (progn
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;; (setq begin-reg (1- (re-search-forward end-delim)))
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;; (setq begin-column (1- (current-column)))
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;; (end-of-line)
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;; (setq end-reg (1+ (re-search-backward begin-delim)))
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;; (setq end-column (1+ (current-column)))
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;; (message "%s" (buffer-substring begin-reg end-reg))
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;; (x-draw-rectangle screen
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;; (setq last-line-drawn abs-y)
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;; begin-column
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;; (- end-column begin-column) 1))))))))))
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;;
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;;(defun mouse-erase-box ()
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;; (interactive)
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;; (if last-line-drawn
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;; (progn
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;; (x-erase-rectangle (selected-screen))
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;; (setq last-line-drawn nil))))
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;;; (defun test-x-rectangle ()
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;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
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;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
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;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
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;;
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;; Here is how to do double clicking in lisp. About to change.
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;;
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(defvar double-start nil)
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(defconst double-click-interval 300
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"Max ticks between clicks")
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(defun double-down (event)
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(interactive "@e")
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(if double-start
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(let ((interval (- (nth 4 event) double-start)))
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(if (< interval double-click-interval)
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(progn
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(backward-up-list 1)
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;; (message "Interval %d" interval)
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(sleep-for 1)))
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(setq double-start nil))
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(setq double-start (nth 4 event))))
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(defun double-up (event)
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(interactive "@e")
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(and double-start
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(> (- (nth 4 event ) double-start) double-click-interval)
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(setq double-start nil)))
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;;; (defun x-test-doubleclick ()
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;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
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;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
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;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
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;;
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;; This scrolls while button is depressed. Use preferable in scrollbar.
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;;
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(defvar scrolled-lines 0)
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(defconst scroll-speed 1)
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(defun incr-scroll-down (event)
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(interactive "@e")
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(setq scrolled-lines 0)
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(incremental-scroll scroll-speed))
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(defun incr-scroll-up (event)
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(interactive "@e")
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(setq scrolled-lines 0)
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(incremental-scroll (- scroll-speed)))
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(defun incremental-scroll (n)
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(while (= (x-mouse-events) 0)
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(setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
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(scroll-down n)
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(sit-for 300 t)))
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(defun incr-scroll-stop (event)
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(interactive "@e")
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(message "Scrolled %d lines" scrolled-lines)
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(setq scrolled-lines 0)
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(sleep-for 1))
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;;; (defun x-testing-scroll ()
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;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
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;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
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;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
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;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
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;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
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;;
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;; Some playthings suitable for picture mode? They need work.
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;;
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(defun mouse-kill-rectangle (event)
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"Kill the rectangle between point and the mouse cursor."
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(interactive "@e")
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(let ((point-save (point)))
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(save-excursion
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(mouse-set-point event)
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(push-mark nil t)
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(if (> point-save (point))
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(kill-rectangle (point) point-save)
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(kill-rectangle point-save (point))))))
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(defun mouse-open-rectangle (event)
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"Kill the rectangle between point and the mouse cursor."
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(interactive "@e")
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(let ((point-save (point)))
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(save-excursion
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(mouse-set-point event)
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(push-mark nil t)
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(if (> point-save (point))
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(open-rectangle (point) point-save)
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(open-rectangle point-save (point))))))
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;; Must be a better way to do this.
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(defun mouse-multiple-insert (n char)
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(while (> n 0)
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(insert char)
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(setq n (1- n))))
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;; What this could do is not finalize until button was released.
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(defun mouse-move-text (event)
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"Move text from point to cursor position, inserting spaces."
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(interactive "@e")
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(let* ((relative-coordinate
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(coordinates-in-window-p (car event) (selected-window))))
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(if (consp relative-coordinate)
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(cond ((> (current-column) (car relative-coordinate))
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(delete-char
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(- (car relative-coordinate) (current-column))))
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((< (current-column) (car relative-coordinate))
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(mouse-multiple-insert
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(- (car relative-coordinate) (current-column)) " "))
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((= (current-column) (car relative-coordinate)) (ding))))))
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;; Font selection.
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(defvar x-fixed-font-alist
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'("Font menu"
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("Misc"
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("fixed" "fixed")
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("6x10" "6x10")
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("6x12" "6x12")
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("6x13" "6x13")
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("7x13" "7x13")
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("7x14" "7x14")
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("8x13" "8x13")
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("8x13 bold" "8x13bold")
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("8x16" "8x16")
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("9x15" "9x15")
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("9x15 bold" "9x15bold")
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("10x20" "10x20")
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("11x18" "11x18")
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("12x24" "12x24"))
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;;; We don't seem to have these; who knows what they are.
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;;; ("fg-18" "fg-18")
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;;; ("fg-25" "fg-25")
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;;; ("lucidasanstypewriter-12" "lucidasanstypewriter-12")
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;;; ("lucidasanstypewriter-bold-14" "lucidasanstypewriter-bold-14")
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;;; ("lucidasanstypewriter-bold-24" "lucidasanstypewriter-bold-24")
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;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1")
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;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*")
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("Courier"
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("8" "-adobe-courier-medium-r-normal--8-*-*-*-m-*-iso8859-1")
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("10" "-adobe-courier-medium-r-normal--10-*-*-*-m-*-iso8859-1")
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("12" "-adobe-courier-medium-r-normal--12-*-*-*-m-*-iso8859-1")
|
||
("14" "-adobe-courier-medium-r-normal--14-*-*-*-m-*-iso8859-1")
|
||
("18" "-adobe-courier-medium-r-normal--18-*-*-*-m-*-iso8859-1")
|
||
("24" "-adobe-courier-medium-r-normal--24-*-*-*-m-*-iso8859-1")
|
||
("8 bold" "-adobe-courier-bold-r-normal--8-*-*-*-m-*-iso8859-1")
|
||
("10 bold" "-adobe-courier-bold-r-normal--10-*-*-*-m-*-iso8859-1")
|
||
("12 bold" "-adobe-courier-bold-r-normal--12-*-*-*-m-*-iso8859-1")
|
||
("14 bold" "-adobe-courier-bold-r-normal--14-*-*-*-m-*-iso8859-1")
|
||
("18 bold" "-adobe-courier-bold-r-normal--18-*-*-*-m-*-iso8859-1")
|
||
("24 bold" "-adobe-courier-bold-r-normal--24-*-*-*-m-*-iso8859-1")
|
||
("8 slant" "-adobe-courier-medium-o-normal--8-*-*-*-m-*-iso8859-1")
|
||
("10 slant" "-adobe-courier-medium-o-normal--10-*-*-*-m-*-iso8859-1")
|
||
("12 slant" "-adobe-courier-medium-o-normal--12-*-*-*-m-*-iso8859-1")
|
||
("14 slant" "-adobe-courier-medium-o-normal--14-*-*-*-m-*-iso8859-1")
|
||
("18 slant" "-adobe-courier-medium-o-normal--18-*-*-*-m-*-iso8859-1")
|
||
("24 slant" "-adobe-courier-medium-o-normal--24-*-*-*-m-*-iso8859-1")
|
||
("8 bold slant" "-adobe-courier-bold-o-normal--8-*-*-*-m-*-iso8859-1")
|
||
("10 bold slant" "-adobe-courier-bold-o-normal--10-*-*-*-m-*-iso8859-1")
|
||
("12 bold slant" "-adobe-courier-bold-o-normal--12-*-*-*-m-*-iso8859-1")
|
||
("14 bold slant" "-adobe-courier-bold-o-normal--14-*-*-*-m-*-iso8859-1")
|
||
("18 bold slant" "-adobe-courier-bold-o-normal--18-*-*-*-m-*-iso8859-1")
|
||
("24 bold slant" "-adobe-courier-bold-o-normal--24-*-*-*-m-*-iso8859-1"))
|
||
)
|
||
"X fonts suitable for use in Emacs.")
|
||
|
||
(defun mouse-set-font (font)
|
||
"Select an emacs font from a list of known good fonts"
|
||
(interactive
|
||
(x-popup-menu last-nonmenu-event x-fixed-font-alist))
|
||
(modify-frame-parameters (selected-frame)
|
||
(list (cons 'font font))))
|
||
|
||
;;; Bindings for mouse commands.
|
||
|
||
;; This won't be needed once the drag and down events
|
||
;; are properly implemented.
|
||
(global-set-key [mouse-1] 'mouse-set-point)
|
||
|
||
(global-set-key [down-mouse-1] 'mouse-set-point)
|
||
(global-set-key [drag-mouse-1] 'mouse-set-mark)
|
||
(global-set-key [mouse-2] 'mouse-yank-at-click)
|
||
(global-set-key [mouse-3] 'mouse-kill-ring-save)
|
||
(global-set-key [S-mouse-3] 'mouse-kill)
|
||
|
||
(global-set-key [C-mouse-1] 'mouse-buffer-menu)
|
||
|
||
(global-set-key [C-mouse-3] 'mouse-set-font)
|
||
|
||
;; Replaced with dragging mouse-1
|
||
;; (global-set-key [S-mouse-1] 'mouse-set-mark)
|
||
|
||
;; Define the mouse help menu tree.
|
||
|
||
(defvar help-menu-map '(keymap "Help"))
|
||
(global-set-key [C-mouse-2] help-menu-map)
|
||
|
||
(defvar help-apropos-map '(keymap "Is there a command that..."))
|
||
(defvar help-keys-map '(keymap "Key Commands <==> Functions"))
|
||
(defvar help-manual-map '(keymap "Manual and tutorial"))
|
||
(defvar help-misc-map '(keymap "Odds and ends"))
|
||
(defvar help-modes-map '(keymap "Modes"))
|
||
(defvar help-admin-map '(keymap "Administrivia"))
|
||
|
||
(define-key help-menu-map [apropos]
|
||
(cons "@Is there a command that..." help-apropos-map))
|
||
(define-key help-menu-map [keys]
|
||
(cons "@Key Commands <==> Functions" help-keys-map))
|
||
(define-key help-menu-map [manuals]
|
||
(cons "@Manual and tutorial" help-manual-map))
|
||
(define-key help-menu-map [misc]
|
||
(cons "@Odds and ends" help-misc-map))
|
||
(define-key help-menu-map [modes]
|
||
(cons "@Modes" help-modes-map))
|
||
(define-key help-menu-map [admin]
|
||
(cons "@Administrivia" help-admin-map))
|
||
|
||
(define-key help-apropos-map "c" '("Command Apropos" . command-apropos))
|
||
(define-key help-apropos-map "a" '("Apropos" . apropos))
|
||
|
||
(define-key help-keys-map "b"
|
||
'("List all keystroke commands" . describe-bindings))
|
||
(define-key help-keys-map "c"
|
||
'("Describe key briefly" . describe-key-briefly))
|
||
(define-key help-keys-map "k"
|
||
'("Describe key verbose" . describe-key))
|
||
(define-key help-keys-map "f"
|
||
'("Describe Lisp function" . describe-function))
|
||
(define-key help-keys-map "w"
|
||
'("Where is this command" . where-is))
|
||
|
||
(define-key help-manual-map "i" '("Info system" . info))
|
||
(define-key help-manual-map "t"
|
||
'("Invoke Emacs tutorial" . help-with-tutorial))
|
||
|
||
(define-key help-misc-map "l" '("Last 100 Keystrokes" . view-lossage))
|
||
(define-key help-misc-map "s" '("Describe syntax table" . describe-syntax))
|
||
|
||
(define-key help-modes-map "m"
|
||
'("Describe current major mode" . describe-mode))
|
||
(define-key help-modes-map "b"
|
||
'("List all keystroke commands" . describe-bindings))
|
||
|
||
(define-key help-admin-map "n"
|
||
'("view Emacs news" . view-emacs-news))
|
||
(define-key help-admin-map "l"
|
||
'("View the GNU Emacs license" . describe-copying))
|
||
(define-key help-admin-map "d"
|
||
'("Describe distribution" . describe-distribution))
|
||
(define-key help-admin-map "w"
|
||
'("Describe (non)warranty" . describe-no-warranty))
|
||
|
||
(provide 'mouse)
|
||
|
||
;;; mouse.el ends here
|