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- ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- ;; ;;
- ;; File: sup-mouse.el ;;
- ;; Author: Wolfgang Rupprecht ;;
- ;; Created: Fri Nov 21 19:22:22 1986 ;;
- ;; Contents: supdup mouse support for lisp machines ;;
- ;; ;;
- ;; (from code originally written by John Robinson@bbn for the bitgraph) ;;
- ;; ;;
- ;; $Log$ ;;
- ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
- ;; GNU Emacs code for lambda/supdup mouse
- ;; Copyright (C) Free Software Foundation 1985, 1986
-
- ;; 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- ;;; 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 and
- executes 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- (screen-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 screen coordinates.
- X and Y are 0-based character positions on the screen."
- (let ((edges (window-edges))
- (window nil))
- (while (and (not (eq window (selected-window)))
- (or (< y (nth 1 edges))
- (>= y (nth 3 edges))
- (< x (nth 0 edges))
- (>= x (nth 2 edges))))
- (setq window (next-window window))
- (setq edges (window-edges window))
- )
- (or window (selected-window))
- )
- )
-