mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-24 07:20:37 +00:00
504 lines
15 KiB
EmacsLisp
504 lines
15 KiB
EmacsLisp
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;; Mouse support that is independent of window systems.
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;; Copyright (C) 1988 Free Software Foundation, Inc.
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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 1, 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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(provide 'mouse)
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(defun mouse-select ()
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"Select Emacs window the mouse is on."
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(interactive "@"))
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(defun mouse-delete-window ()
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"Delete the Emacs window the mouse is on."
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(interactive "@")
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(delete-window))
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(defun mouse-keep-one-window ()
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"Select Emacs window mouse is on, then kill all other Emacs windows."
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(interactive "@")
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(delete-other-windows))
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(defun mouse-select-and-split ()
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"Select Emacs window mouse is on, then split it vertically in half."
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(interactive "@")
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(split-window-vertically nil))
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(defun mouse-set-point (event)
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"Select Emacs window mouse is on, and move point to mouse position."
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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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(progn
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(move-to-window-line (car (cdr relative-coordinate)))
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(move-to-column (+ (car relative-coordinate) (current-column)
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(window-hscroll (selected-window))))
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(what-line)))))
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(defun mouse-eval-last-sexpr (event)
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(interactive "@e")
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(save-excursion
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(mouse-set-point event)
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(eval-last-sexp nil)))
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(defun mouse-line-length (event)
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"Print the length of the line indicated by the pointer."
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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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(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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(message "Line length: %d"
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(- (region-end) (region-beginning)))
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(sleep-for 1)))))
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(defun mouse-set-mark (event)
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"Select Emacs window mouse is on, and set mark at mouse position.
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Display cursor at that position for a second."
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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 event)
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(push-mark nil t)
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(sleep-for 1))
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(goto-char point-save))))
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(defun mouse-scroll (event)
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"Scroll point to the mouse position."
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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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(progn
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(recenter (car (cdr relative-coordinate)))
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(scroll-right (+ (car relative-coordinate) (current-column)))))))
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(defun mouse-del-char (event)
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"Delete the char pointed to by the mouse."
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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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(progn
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(move-to-window-line (car (cdr relative-coordinate)))
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(move-to-column (+ (car relative-coordinate) (current-column)))
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(delete-char 1 nil)))))
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(defun mouse-kill-line (event)
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"Kill the line pointed to by the mouse."
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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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(progn
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(move-to-window-line (car (cdr relative-coordinate)))
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(move-to-column (+ (car relative-coordinate) (current-column)))
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(kill-line nil)))))
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(defun narrow-window-to-region (m n)
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"Narrow window to region between point and last mark"
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(interactive "r")
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(save-excursion
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(save-restriction
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(if (eq (selected-window) (next-window))
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(split-window))
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(goto-char m)
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(recenter 0)
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(if (eq (selected-window)
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(if (zerop (minibuffer-depth))
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(next-window)))
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()
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(shrink-window (- (- (window-height) (count-lines m n)) 1))))))
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(defun mouse-window-to-region (event)
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"Narrow window to region between cursor and mouse pointer."
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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 event)
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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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(narrow-window-to-region (region-beginning) (region-end)))))
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(defun mouse-ignore ()
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"Don't do anything."
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(interactive))
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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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;; Set up these commands, including the prefix keys for the scroll bar.
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(fset 'mouse-vertical-scroll-bar-prefix (make-sparse-keymap))
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(define-key global-mouse-map mouse-vertical-scroll-bar-prefix
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'mouse-vertical-scroll-bar-prefix)
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(defun mouse-scroll-motion (event)
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(interactive "e")
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(let ((pos (car (car event)))
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(length (car (cdr (car event)))))
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(message "[%d %d]" pos length)))
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(let ((map (function mouse-vertical-scroll-bar-prefix)))
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(define-key map mouse-button-right 'mouse-scroll-down)
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(define-key map mouse-button-left 'mouse-scroll-up)
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(define-key map mouse-button-middle 'mouse-scroll-absolute)
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(define-key map mouse-motion 'x-horizontal-line))
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;(fset 'mouse-vertical-slider-prefix (make-sparse-keymap))
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;(define-key global-mouse-map mouse-vertical-slider-prefix
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; 'mouse-vertical-slider-prefix)
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;(let ((map (function mouse-vertical-slider-prefix)))
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; (define-key map mouse-button-right 'mouse-scroll-move-cursor)
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; (define-key map mouse-button-left 'mouse-scroll-move-cursor)
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; (define-key map mouse-button-middle 'mouse-scroll-move-cursor))
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(fset 'mouse-vertical-thumbup-prefix (make-sparse-keymap))
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(define-key global-mouse-map mouse-vertical-thumbup-prefix
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'mouse-vertical-thumbup-prefix)
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(let ((map (function mouse-vertical-thumbup-prefix)))
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(define-key map mouse-button-right 'mouse-scroll-down-full)
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(define-key map mouse-button-left 'mouse-scroll-down-full)
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(define-key map mouse-button-middle 'mouse-scroll-down-full))
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(fset 'mouse-vertical-thumbdown-prefix (make-sparse-keymap))
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(define-key global-mouse-map mouse-vertical-thumbdown-prefix
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'mouse-vertical-thumbdown-prefix)
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(let ((map (function mouse-vertical-thumbdown-prefix)))
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(define-key map mouse-button-right 'mouse-scroll-up-full)
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(define-key map mouse-button-left 'mouse-scroll-up-full)
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(define-key map mouse-button-middle 'mouse-scroll-up-full))
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;; Horizontal bar
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(fset 'mouse-horizontal-scroll-bar-prefix (make-sparse-keymap))
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(define-key global-mouse-map mouse-horizontal-scroll-bar-prefix
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'mouse-horizontal-scroll-bar-prefix)
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(let ((map (function mouse-horizontal-scroll-bar-prefix)))
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(define-key map mouse-button-right 'mouse-scroll-right)
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(define-key map mouse-button-left 'mouse-scroll-left)
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(define-key map mouse-button-middle 'mouse-scroll-absolute-horizontally))
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(fset 'mouse-horizontal-thumbleft-prefix (make-sparse-keymap))
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(define-key global-mouse-map mouse-horizontal-thumbleft-prefix
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'mouse-horizontal-thumbleft-prefix)
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(let ((map (function mouse-horizontal-thumbleft-prefix)))
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(define-key map mouse-button-right 'mouse-scroll-left-full)
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(define-key map mouse-button-left 'mouse-scroll-left-full)
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(define-key map mouse-button-middle 'mouse-scroll-left-full))
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(fset 'mouse-horizontal-thumbright-prefix (make-sparse-keymap))
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(define-key global-mouse-map mouse-horizontal-thumbright-prefix
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'mouse-horizontal-thumbright-prefix)
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(let ((map (function mouse-horizontal-thumbright-prefix)))
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(define-key map mouse-button-right 'mouse-scroll-right-full)
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(define-key map mouse-button-left 'mouse-scroll-right-full)
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(define-key map mouse-button-middle '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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;; Dynamically track mouse coordinates
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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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(require 'backquote)
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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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(setq the-buffer (Buffer-menu-buffer t)))
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(sit-for 1)
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(x-erase-rectangle (selected-screen))))))
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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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(defun mouse-boxing (event)
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(interactive "@e")
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|||
|
|
(save-excursion
|
|||
|
|
(let ((screen (selected-screen)))
|
|||
|
|
(while (= (x-mouse-events) 0)
|
|||
|
|
(let* ((pos (read-mouse-position screen))
|
|||
|
|
(abs-x (car pos))
|
|||
|
|
(abs-y (cdr pos))
|
|||
|
|
(relative-coordinate
|
|||
|
|
(coordinates-in-window-p (` ((, abs-x) (, abs-y)))
|
|||
|
|
(selected-window)))
|
|||
|
|
(begin-reg nil)
|
|||
|
|
(end-reg nil)
|
|||
|
|
(end-column nil)
|
|||
|
|
(begin-column nil))
|
|||
|
|
(if (and (consp relative-coordinate)
|
|||
|
|
(or (not last-line-drawn)
|
|||
|
|
(not (= last-line-drawn abs-y))))
|
|||
|
|
(progn
|
|||
|
|
(move-to-window-line (car (cdr relative-coordinate)))
|
|||
|
|
(if (= (following-char) 10)
|
|||
|
|
()
|
|||
|
|
(progn
|
|||
|
|
(setq begin-reg (1- (re-search-forward end-delim)))
|
|||
|
|
(setq begin-column (1- (current-column)))
|
|||
|
|
(end-of-line)
|
|||
|
|
(setq end-reg (1+ (re-search-backward begin-delim)))
|
|||
|
|
(setq end-column (1+ (current-column)))
|
|||
|
|
(message "%s" (buffer-substring begin-reg end-reg))
|
|||
|
|
(x-draw-rectangle screen
|
|||
|
|
(setq last-line-drawn abs-y)
|
|||
|
|
begin-column
|
|||
|
|
(- end-column begin-column) 1))))))))))
|
|||
|
|
|
|||
|
|
(defun mouse-erase-box ()
|
|||
|
|
(interactive)
|
|||
|
|
(if last-line-drawn
|
|||
|
|
(progn
|
|||
|
|
(x-erase-rectangle (selected-screen))
|
|||
|
|
(setq last-line-drawn nil))))
|
|||
|
|
|
|||
|
|
(defun test-x-rectangle ()
|
|||
|
|
(use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
|
|||
|
|
(define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
|
|||
|
|
(define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
|
|||
|
|
|
|||
|
|
;;
|
|||
|
|
;; Here is how to do double clicking in lisp. About to change.
|
|||
|
|
;;
|
|||
|
|
|
|||
|
|
(defvar double-start nil)
|
|||
|
|
(defconst double-click-interval 300
|
|||
|
|
"Max ticks between clicks")
|
|||
|
|
|
|||
|
|
(defun double-down (event)
|
|||
|
|
(interactive "@e")
|
|||
|
|
(if double-start
|
|||
|
|
(let ((interval (- (nth 4 event) double-start)))
|
|||
|
|
(if (< interval double-click-interval)
|
|||
|
|
(progn
|
|||
|
|
(backward-up-list 1)
|
|||
|
|
;; (message "Interval %d" interval)
|
|||
|
|
(sleep-for 1)))
|
|||
|
|
(setq double-start nil))
|
|||
|
|
(setq double-start (nth 4 event))))
|
|||
|
|
|
|||
|
|
(defun double-up (event)
|
|||
|
|
(interactive "@e")
|
|||
|
|
(and double-start
|
|||
|
|
(> (- (nth 4 event ) double-start) double-click-interval)
|
|||
|
|
(setq double-start nil)))
|
|||
|
|
|
|||
|
|
(defun x-test-doubleclick ()
|
|||
|
|
(use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
|
|||
|
|
(define-key doubleclick-test-map mouse-button-left 'double-down)
|
|||
|
|
(define-key doubleclick-test-map mouse-button-left-up 'double-up))
|
|||
|
|
|
|||
|
|
;;
|
|||
|
|
;; This scrolls while button is depressed. Use preferable in scrollbar.
|
|||
|
|
;;
|
|||
|
|
|
|||
|
|
(defvar scrolled-lines 0)
|
|||
|
|
(defconst scroll-speed 1)
|
|||
|
|
|
|||
|
|
(defun incr-scroll-down (event)
|
|||
|
|
(interactive "@e")
|
|||
|
|
(setq scrolled-lines 0)
|
|||
|
|
(incremental-scroll scroll-speed))
|
|||
|
|
|
|||
|
|
(defun incr-scroll-up (event)
|
|||
|
|
(interactive "@e")
|
|||
|
|
(setq scrolled-lines 0)
|
|||
|
|
(incremental-scroll (- scroll-speed)))
|
|||
|
|
|
|||
|
|
(defun incremental-scroll (n)
|
|||
|
|
(while (= (x-mouse-events) 0)
|
|||
|
|
(setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
|
|||
|
|
(scroll-down n)
|
|||
|
|
(sit-for 300 t)))
|
|||
|
|
|
|||
|
|
(defun incr-scroll-stop (event)
|
|||
|
|
(interactive "@e")
|
|||
|
|
(message "Scrolled %d lines" scrolled-lines)
|
|||
|
|
(setq scrolled-lines 0)
|
|||
|
|
(sleep-for 1))
|
|||
|
|
|
|||
|
|
(defun x-testing-scroll ()
|
|||
|
|
(let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
|
|||
|
|
(define-key scrolling-map mouse-button-left 'incr-scroll-down)
|
|||
|
|
(define-key scrolling-map mouse-button-right 'incr-scroll-up)
|
|||
|
|
(define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
|
|||
|
|
(define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
|
|||
|
|
|
|||
|
|
;;
|
|||
|
|
;; Some playthings suitable for picture mode? They need work.
|
|||
|
|
;;
|
|||
|
|
|
|||
|
|
(defun mouse-kill-rectangle (event)
|
|||
|
|
"Kill the rectangle between point and the mouse cursor."
|
|||
|
|
(interactive "@e")
|
|||
|
|
(let ((point-save (point)))
|
|||
|
|
(save-excursion
|
|||
|
|
(mouse-set-point event)
|
|||
|
|
(push-mark nil t)
|
|||
|
|
(if (> point-save (point))
|
|||
|
|
(kill-rectangle (point) point-save)
|
|||
|
|
(kill-rectangle point-save (point))))))
|
|||
|
|
|
|||
|
|
(defun mouse-open-rectangle (event)
|
|||
|
|
"Kill the rectangle between point and the mouse cursor."
|
|||
|
|
(interactive "@e")
|
|||
|
|
(let ((point-save (point)))
|
|||
|
|
(save-excursion
|
|||
|
|
(mouse-set-point event)
|
|||
|
|
(push-mark nil t)
|
|||
|
|
(if (> point-save (point))
|
|||
|
|
(open-rectangle (point) point-save)
|
|||
|
|
(open-rectangle point-save (point))))))
|
|||
|
|
|
|||
|
|
;; Must be a better way to do this.
|
|||
|
|
|
|||
|
|
(defun mouse-multiple-insert (n char)
|
|||
|
|
(while (> n 0)
|
|||
|
|
(insert char)
|
|||
|
|
(setq n (1- n))))
|
|||
|
|
|
|||
|
|
;; What this could do is not finalize until button was released.
|
|||
|
|
|
|||
|
|
(defun mouse-move-text (event)
|
|||
|
|
"Move text from point to cursor position, inserting spaces."
|
|||
|
|
(interactive "@e")
|
|||
|
|
(let* ((relative-coordinate
|
|||
|
|
(coordinates-in-window-p (car event) (selected-window))))
|
|||
|
|
(if (consp relative-coordinate)
|
|||
|
|
(cond ((> (current-column) (car relative-coordinate))
|
|||
|
|
(delete-char
|
|||
|
|
(- (car relative-coordinate) (current-column))))
|
|||
|
|
((< (current-column) (car relative-coordinate))
|
|||
|
|
(mouse-multiple-insert
|
|||
|
|
(- (car relative-coordinate) (current-column)) " "))
|
|||
|
|
((= (current-column) (car relative-coordinate)) (ding))))))
|