;;; sup-mouse.el --- supdup mouse support for lisp machines;; Copyright (C) Free Software Foundation 1985, 1986;; Author: Wolfgang Rupprecht;; Maintainer: FSF;; Created: 21 Nov 1986;; Keywords: hardware;;     (from code originally written by John Robinson@bbn for the bitgraph);; This file is part of GNU Emacs.;; GNU Emacs is free software; you can redistribute it and/or modify;; it under the terms of the GNU General Public License as published by;; the Free Software Foundation; either version 2, or (at your option);; any later version.;; GNU Emacs is distributed in the hope that it will be useful,;; but WITHOUT ANY WARRANTY; without even the implied warranty of;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the;; GNU General Public License for more details.;; You should have received a copy of the GNU General Public License;; along with GNU Emacs; see the file COPYING.  If not, write to the;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,;; Boston, MA 02111-1307, USA.;;; Commentary:;;; Code:;;;  User customization option:(defvar sup-mouse-fast-select-window nil  "*Non-nil for mouse hits to select new window, then execute; else just select.")(defconst mouse-left 0)(defconst mouse-center 1)(defconst mouse-right 2)(defconst mouse-2left 4)(defconst mouse-2center 5)(defconst mouse-2right 6)(defconst mouse-3left 8)(defconst mouse-3center 9)(defconst mouse-3right 10);;;  Defuns:(defun sup-mouse-report ()  "This function is called directly by the mouse, it parses andexecutes the mouse commands. L move point          *  |---- These apply for mouse click in a window.2L delete word            |3L copy word		  | If sup-mouse-fast-select-window is nil, C move point and yank *  | just selects that window.2C yank pop		  | R set mark            *  |2R delete region	  |3R copy region		  |on modeline		    on \"scroll bar\"	in minibuffer L scroll-up		    line to top		execute-extended-command C proportional goto-char   line to middle	mouse-help R scroll-down		    line to bottom	eval-expression"    (interactive)  (let*;; expect a string of <esc>:<buttons>;<x-pos>;<y-pos>c      ((buttons (sup-get-tty-num ?\;))       (x (sup-get-tty-num ?\;))       (y (sup-get-tty-num ?c))       (window (sup-pos-to-window x y))       (edges (window-edges window))       (old-window (selected-window))       (in-minibuf-p (eq y (1- (frame-height))))       (same-window-p (and (not in-minibuf-p) (eq window old-window)))       (in-modeline-p (eq y (1- (nth 3 edges))))       (in-scrollbar-p (>= x (1- (nth 2 edges)))))    (setq x (- x (nth 0 edges)))    (setq y (- y (nth 1 edges)));    (error "mouse-hit %d %d %d" buttons x y) ;;;; debug    (cond (in-modeline-p	   (select-window window)	   (cond ((= buttons mouse-left)		  (scroll-up))		 ((= buttons mouse-right)		  (scroll-down))		 ((= buttons mouse-center)		  (goto-char (/ (* x				   (- (point-max) (point-min)))				(1- (window-width))))		  (beginning-of-line)		  (what-cursor-position)))	   (select-window old-window))	  (in-scrollbar-p	   (select-window window)	   (scroll-up	    (cond ((= buttons mouse-left)		   y)		  ((= buttons mouse-right)		   (+ y (- 2 (window-height))))		  ((= buttons mouse-center)		   (/ (+ 2 y y (- (window-height))) 2))		  (t		   0)))	   (select-window old-window))	  (same-window-p	   (cond ((= buttons mouse-left)		  (sup-move-point-to-x-y x y))		 ((= buttons mouse-2left)		  (sup-move-point-to-x-y x y)		  (kill-word 1))		 ((= buttons mouse-3left)		  (sup-move-point-to-x-y x y)		  (save-excursion		    (copy-region-as-kill		     (point) (progn (forward-word 1) (point))))		  (setq this-command 'yank)		  )		 ((= buttons mouse-right)		  (push-mark)		  (sup-move-point-to-x-y x y)		  (exchange-point-and-mark))		 ((= buttons mouse-2right)		  (push-mark)		  (sup-move-point-to-x-y x y)		  (kill-region (mark) (point)))		 ((= buttons mouse-3right)		  (push-mark)		  (sup-move-point-to-x-y x y)		  (copy-region-as-kill (mark) (point))		  (setq this-command 'yank))		 ((= buttons mouse-center)		  (sup-move-point-to-x-y x y)		  (setq this-command 'yank)		  (yank))		 ((= buttons mouse-2center)		  (yank-pop 1))		 )	   )	  (in-minibuf-p	   (cond ((= buttons mouse-right)		  (call-interactively 'eval-expression))		 ((= buttons mouse-left)		  (call-interactively 'execute-extended-command))		 ((= buttons mouse-center)		  (describe-function 'sup-mouse-report)); silly self help 		 ))	  (t				;in another window	   (select-window window)	   (cond ((not sup-mouse-fast-select-window))		 ((= buttons mouse-left)		  (sup-move-point-to-x-y x y))		 ((= buttons mouse-right)		  (push-mark)		  (sup-move-point-to-x-y x y)		  (exchange-point-and-mark))		 ((= buttons mouse-center)		  (sup-move-point-to-x-y x y)		  (setq this-command 'yank)		  (yank))		 ))	  )))(defun sup-get-tty-num (term-char)  "Read from terminal until TERM-CHAR is read, and return intervening number.Upon non-numeric not matching TERM-CHAR signal an error."  (let      ((num 0)       (char (read-char)))    (while (and (>= char ?0)		(<= char ?9))      (setq num (+ (* num 10) (- char ?0)))      (setq char (read-char)))    (or (eq term-char char)	(error "Invalid data format in mouse command"))    num))(defun sup-move-point-to-x-y (x y)  "Position cursor in window coordinates.X and Y are 0-based character positions in the window."  (move-to-window-line y)  (move-to-column x)  )(defun sup-pos-to-window (x y)  "Find window corresponding to frame coordinates.X and Y are 0-based character positions on the frame."  (get-window-with-predicate (lambda (w)			       (coordinates-in-window-p (cons x y) w))));;; sup-mouse.el ends here