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202 lines
5.8 KiB
EmacsLisp
202 lines
5.8 KiB
EmacsLisp
;;; sup-mouse.el --- supdup mouse support for lisp machines
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;; Copyright (C) 1985, 1986, 2002, 2003, 2004,
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;; 2005, 2006 Free Software Foundation, Inc.
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;; Author: Wolfgang Rupprecht
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;; Maintainer: FSF
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;; Created: 21 Nov 1986
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;; Keywords: hardware
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;; (from code originally written by John Robinson@bbn for the bitgraph)
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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 the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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;;; User customization option:
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(defvar sup-mouse-fast-select-window nil
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"*Non-nil for mouse hits to select new window, then execute; else just select.")
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(defconst mouse-left 0)
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(defconst mouse-center 1)
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(defconst mouse-right 2)
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(defconst mouse-2left 4)
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(defconst mouse-2center 5)
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(defconst mouse-2right 6)
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(defconst mouse-3left 8)
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(defconst mouse-3center 9)
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(defconst mouse-3right 10)
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;;; Defuns:
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(defun sup-mouse-report ()
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"This function is called directly by the mouse, it parses and
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executes the mouse commands.
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L move point * |---- These apply for mouse click in a window.
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2L delete word |
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3L copy word | If sup-mouse-fast-select-window is nil,
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C move point and yank * | just selects that window.
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2C yank pop |
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R set mark * |
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2R delete region |
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3R copy region |
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on modeline on \"scroll bar\" in minibuffer
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L scroll-up line to top execute-extended-command
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C proportional goto-char line to middle mouse-help
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R scroll-down line to bottom eval-expression"
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(interactive)
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(let*
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;; expect a string of <esc>:<buttons>;<x-pos>;<y-pos>c
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((buttons (sup-get-tty-num ?\;))
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(x (sup-get-tty-num ?\;))
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(y (sup-get-tty-num ?c))
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(window (sup-pos-to-window x y))
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(edges (window-edges window))
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(old-window (selected-window))
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(in-minibuf-p (eq y (1- (frame-height))))
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(same-window-p (and (not in-minibuf-p) (eq window old-window)))
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(in-modeline-p (eq y (1- (nth 3 edges))))
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(in-scrollbar-p (>= x (1- (nth 2 edges)))))
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(setq x (- x (nth 0 edges)))
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(setq y (- y (nth 1 edges)))
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; (error "mouse-hit %d %d %d" buttons x y) ;;;; debug
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(cond (in-modeline-p
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(select-window window)
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(cond ((= buttons mouse-left)
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(scroll-up))
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((= buttons mouse-right)
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(scroll-down))
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((= buttons mouse-center)
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(goto-char (/ (* x
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(- (point-max) (point-min)))
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(1- (window-width))))
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(beginning-of-line)
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(what-cursor-position)))
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(select-window old-window))
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(in-scrollbar-p
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(select-window window)
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(scroll-up
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(cond ((= buttons mouse-left)
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y)
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((= buttons mouse-right)
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(+ y (- 2 (window-height))))
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((= buttons mouse-center)
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(/ (+ 2 y y (- (window-height))) 2))
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(t
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0)))
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(select-window old-window))
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(same-window-p
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(cond ((= buttons mouse-left)
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(sup-move-point-to-x-y x y))
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((= buttons mouse-2left)
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(sup-move-point-to-x-y x y)
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(kill-word 1))
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((= buttons mouse-3left)
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(sup-move-point-to-x-y x y)
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(save-excursion
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(copy-region-as-kill
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(point) (progn (forward-word 1) (point))))
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(setq this-command 'yank)
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)
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((= buttons mouse-right)
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(push-mark)
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(sup-move-point-to-x-y x y)
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(exchange-point-and-mark))
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((= buttons mouse-2right)
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(push-mark)
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(sup-move-point-to-x-y x y)
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(kill-region (mark) (point)))
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((= buttons mouse-3right)
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(push-mark)
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(sup-move-point-to-x-y x y)
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(copy-region-as-kill (mark) (point))
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(setq this-command 'yank))
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((= buttons mouse-center)
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(sup-move-point-to-x-y x y)
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(setq this-command 'yank)
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(yank))
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((= buttons mouse-2center)
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(yank-pop 1))
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)
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)
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(in-minibuf-p
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(cond ((= buttons mouse-right)
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(call-interactively 'eval-expression))
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((= buttons mouse-left)
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(call-interactively 'execute-extended-command))
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((= buttons mouse-center)
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(describe-function 'sup-mouse-report)); silly self help
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))
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(t ;in another window
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(select-window window)
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(cond ((not sup-mouse-fast-select-window))
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((= buttons mouse-left)
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(sup-move-point-to-x-y x y))
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((= buttons mouse-right)
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(push-mark)
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(sup-move-point-to-x-y x y)
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(exchange-point-and-mark))
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((= buttons mouse-center)
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(sup-move-point-to-x-y x y)
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(setq this-command 'yank)
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(yank))
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))
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)))
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(defun sup-get-tty-num (term-char)
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"Read from terminal until TERM-CHAR is read, and return intervening number.
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Upon non-numeric not matching TERM-CHAR signal an error."
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(let
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((num 0)
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(char (read-char)))
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(while (and (>= char ?0)
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(<= char ?9))
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(setq num (+ (* num 10) (- char ?0)))
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(setq char (read-char)))
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(or (eq term-char char)
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(error "Invalid data format in mouse command"))
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num))
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(defun sup-move-point-to-x-y (x y)
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"Position cursor in window coordinates.
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X and Y are 0-based character positions in the window."
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(move-to-window-line y)
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(move-to-column x)
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)
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(defun sup-pos-to-window (x y)
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"Find window corresponding to frame coordinates.
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X and Y are 0-based character positions on the frame."
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(get-window-with-predicate (lambda (w)
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(coordinates-in-window-p (cons x y) w))))
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;;; arch-tag: ec644ed4-cac4-43b8-b3db-cfe83e9098d7
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;;; sup-mouse.el ends here
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