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bg-mouse.el: Moved to obsolete/.
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Juanma Barranquero
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@ -1,303 +0,0 @@
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;;; bg-mouse.el --- GNU Emacs code for BBN Bitgraph mouse
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;; Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
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;; Author: John Robinson <jr@bbn-unix.arpa>
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;; Stephen Gildea <gildea@bbn.com>
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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 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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;;; Original version by John Robinson (jr@bbn-unix.arpa, bbncca!jr), Oct 1985
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;;; Modularized and enhanced by gildea@bbn.com Nov 1987
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;;; Time stamp <89/03/21 14:27:08 gildea>
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;;; User customization option:
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(defvar bg-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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;;; These numbers are summed to make the index into the mouse-map.
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;;; The low three bits correspond to what the mouse actually sends.
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(defconst bg-button-r 1)
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(defconst bg-button-m 2)
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(defconst bg-button-c 2)
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(defconst bg-button-l 4)
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(defconst bg-in-modeline 8)
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(defconst bg-in-scrollbar 16)
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(defconst bg-in-minibuf 24)
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;;; semicolon screws up indenting, so use this instead
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(defconst semicolon ?\;)
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(eval-when-compile
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(defvar bg-mouse-x) (defvar bg-mouse-y) (defvar bg-cursor-window))
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;;; Defuns:
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(defun bg-mouse-report (prefix-arg)
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"Read, parse, and execute a BBN BitGraph mouse click.
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L-- move point | These apply for mouse click in a window.
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--R set mark | If bg-mouse-fast-select-window is nil,
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L-R kill region | these commands on a nonselected window
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-C- move point and yank | just select that window.
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LC- yank-pop |
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-CR or LCR undo | \"Scroll bar\" is right-hand window column.
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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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--R scroll-down line to bottom eval-expression
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-C- proportional goto-char line to middle suspend-emacs
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To reinitialize the mouse if the terminal is reset, type ESC : RET"
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(interactive "P")
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(bg-get-tty-num semicolon)
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(let*
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((screen-mouse-x (min (1- (frame-width)) ;don't hit column 86!
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(/ (bg-get-tty-num semicolon) 9)))
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(screen-mouse-y (- (1- (frame-height)) ;assume default font size.
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(/ (bg-get-tty-num semicolon) 16)))
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(bg-mouse-buttons (% (bg-get-tty-num ?c) 8))
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(bg-mouse-window (bg-window-from-x-y screen-mouse-x screen-mouse-y))
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(bg-cursor-window (selected-window))
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(edges (window-edges bg-mouse-window))
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(minibuf-p (= screen-mouse-y (1- (frame-height))))
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(in-modeline-p (and (not minibuf-p)
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(= screen-mouse-y (1- (nth 3 edges)))))
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(in-scrollbar-p (and (not minibuf-p) (not in-modeline-p)
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(>= screen-mouse-x (1- (nth 2 edges)))))
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(same-window-p (eq bg-mouse-window bg-cursor-window))
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(in-minibuf-p (and minibuf-p
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(not bg-mouse-window))) ;minibuf must be inactive
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(bg-mode-bits (+ (if in-minibuf-p bg-in-minibuf 0)
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(if in-modeline-p bg-in-modeline 0)
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(if in-scrollbar-p bg-in-scrollbar 0)))
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(bg-command
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(lookup-key mouse-map
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(char-to-string (+ bg-mode-bits bg-mouse-buttons))))
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(bg-mouse-x (- screen-mouse-x (nth 0 edges)))
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(bg-mouse-y (- screen-mouse-y (nth 1 edges))))
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(cond ((or in-modeline-p in-scrollbar-p)
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(select-window bg-mouse-window)
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(bg-command-execute bg-command)
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(select-window bg-cursor-window))
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((or same-window-p in-minibuf-p)
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(bg-command-execute bg-command))
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(t ;in another window
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(select-window bg-mouse-window)
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(if bg-mouse-fast-select-window
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(bg-command-execute bg-command)))
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)))
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;;; Library of commands:
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(defun bg-set-point ()
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"Move point to location of BitGraph mouse."
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(interactive)
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(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
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(setq this-command 'next-line) ;make subsequent line moves work
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(setq temporary-goal-column bg-mouse-x))
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(defun bg-set-mark ()
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"Set mark at location of BitGraph mouse."
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(interactive)
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(push-mark)
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(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
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(exchange-point-and-mark))
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(defun bg-yank ()
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"Move point to location of BitGraph mouse and yank."
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(interactive "*")
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(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
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(setq this-command 'yank)
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(yank))
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(defun yank-pop-1 ()
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(interactive "*")
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(yank-pop 1))
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(defun bg-yank-or-pop ()
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"Move point to location of BitGraph mouse and yank. If last command
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was a yank, do a yank-pop."
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(interactive "*")
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(if (eq last-command 'yank)
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(yank-pop 1)
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(bg-yank)))
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;;; In 18.51, Emacs Lisp doesn't provide most-positive-fixnum
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(defconst bg-most-positive-fixnum 8388607)
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(defun bg-move-by-percentage ()
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"Go to location in buffer that is the same percentage of the way
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through the buffer as the BitGraph mouse's X position in the window."
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(interactive)
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;; check carefully for overflow in intermediate calculations
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(goto-char
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(cond ((zerop bg-mouse-x)
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0)
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((< (buffer-size) (/ bg-most-positive-fixnum bg-mouse-x))
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;; no danger of overflow: compute it exactly
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(/ (* bg-mouse-x (buffer-size))
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(1- (window-width))))
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(t
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;; overflow possible: approximate
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(* (/ (buffer-size) (1- (window-width)))
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bg-mouse-x))))
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(beginning-of-line)
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(what-cursor-position))
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(defun bg-mouse-line-to-top ()
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"Scroll the line pointed to by the BitGraph mouse to the top of the window."
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(interactive)
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(scroll-up bg-mouse-y))
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(defun bg-mouse-line-to-center ()
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"Scroll the line pointed to by the BitGraph mouse to the center
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of the window"
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(interactive)
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(scroll-up (/ (+ 2 bg-mouse-y bg-mouse-y (- (window-height))) 2)))
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(defun bg-mouse-line-to-bottom ()
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"Scroll the line pointed to by the mouse to the bottom of the window."
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(interactive)
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(scroll-up (+ bg-mouse-y (- 2 (window-height)))))
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(defun bg-kill-region ()
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(interactive "*")
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(kill-region (region-beginning) (region-end)))
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(defun bg-insert-moused-sexp ()
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"Insert a copy of the word (actually sexp) that the mouse is pointing at.
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Sexp is inserted into the buffer at point (where the text cursor is)."
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(interactive)
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(let ((moused-text
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(save-excursion
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(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
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(if (looking-at "\\s)")
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(forward-char 1)
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(forward-sexp 1))
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(buffer-substring (save-excursion (backward-sexp 1) (point))
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(point)))))
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(select-window bg-cursor-window)
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(delete-horizontal-space)
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(cond
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((bolp)
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(indent-according-to-mode))
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;; In Lisp assume double-quote is closing; in Text assume opening.
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;; Why? Because it does the right thing most often.
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((save-excursion (forward-char -1)
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(and (not (looking-at "\\s\""))
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(looking-at "[`'\"\\]\\|\\s(")))
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nil)
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(t
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(insert " ")))
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(insert moused-text)
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(or (eolp)
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(looking-at "\\s.\\|\\s)")
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(and (looking-at "'") (looking-at "\\sw")) ;hack for text mode
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(save-excursion (insert " ")))))
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;;; Utility functions:
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(defun bg-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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If non-numeric not matching TERM-CHAR, reprogram the mouse and signal an error."
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(let
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((num 0)
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(char (- (read-char) 48)))
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(while (and (>= char 0)
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(<= char 9))
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(setq num (+ (* num 10) char))
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(setq char (- (read-char) 48)))
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(or (eq term-char (+ char 48))
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(progn
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(bg-program-mouse)
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(error
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"Invalid data format in bg-mouse command: mouse reinitialized.")))
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num))
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;;; Note that this fails in the minibuf because move-to-column doesn't
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;;; allow for the width of the prompt.
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(defun bg-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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;; if not on a wrapped line, zero-column will be 0
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(let ((zero-column (current-column))
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(scroll-offset (window-hscroll)))
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;; scrolling takes up column 0 to display the $
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(if (> scroll-offset 0)
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(setq scroll-offset (1- scroll-offset)))
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(move-to-column (+ zero-column scroll-offset x))
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))
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;;; Returns the window that screen position (x, y) is in or nil if none,
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;;; meaning we are in the echo area with a non-active minibuffer.
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(defun bg-window-from-x-y (x y)
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"Find window corresponding to screen coordinates.
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X and Y are 0-based character positions on the screen."
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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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(defun bg-command-execute (bg-command)
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(if (commandp bg-command)
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(command-execute bg-command)
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(ding)))
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(defun bg-program-mouse ()
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(send-string-to-terminal "\e:0;7;;;360;512;9;16;9;16c"))
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;;; Note that the doc string for mouse-map (as defined in subr.el)
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;;; says it is for the X-window mouse. This is wrong; that keymap
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;;; should be used for your mouse no matter what terminal you have.
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(or (keymapp mouse-map)
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(setq mouse-map (make-keymap)))
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(defun bind-bg-mouse-click (click-code function)
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"Bind bg-mouse CLICK-CODE to run FUNCTION."
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(define-key mouse-map (char-to-string click-code) function))
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(bind-bg-mouse-click bg-button-l 'bg-set-point)
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(bind-bg-mouse-click bg-button-m 'bg-yank)
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(bind-bg-mouse-click bg-button-r 'bg-set-mark)
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(bind-bg-mouse-click (+ bg-button-l bg-button-m) 'yank-pop-1)
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(bind-bg-mouse-click (+ bg-button-l bg-button-r) 'bg-kill-region)
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(bind-bg-mouse-click (+ bg-button-m bg-button-r) 'undo)
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(bind-bg-mouse-click (+ bg-button-l bg-button-m bg-button-r) 'undo)
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(bind-bg-mouse-click (+ bg-in-modeline bg-button-l) 'scroll-up)
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(bind-bg-mouse-click (+ bg-in-modeline bg-button-m) 'bg-move-by-percentage)
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(bind-bg-mouse-click (+ bg-in-modeline bg-button-r) 'scroll-down)
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(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-l) 'bg-mouse-line-to-top)
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(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-m) 'bg-mouse-line-to-center)
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(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-r) 'bg-mouse-line-to-bottom)
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(bind-bg-mouse-click (+ bg-in-minibuf bg-button-l) 'execute-extended-command)
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(bind-bg-mouse-click (+ bg-in-minibuf bg-button-m) 'suspend-emacs)
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(bind-bg-mouse-click (+ bg-in-minibuf bg-button-r) 'eval-expression)
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(provide 'bg-mouse)
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;;; arch-tag: b3d06605-2971-44b1-be2c-e49c24e1a8d3
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;;; bg-mouse.el ends here
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