Path: utzoo!utgpu!water!watmath!clyde!ima!think!barmar
From: barmar@think.COM (Barry Margolin)
Newsgroups: comp.windows.misc
Subject: Re: Mouse buttons
Keywords: sunview suntools
Message-ID: <23366@think.UUCP>
Date: 7 Jul 88 23:27:16 GMT
References: <4688@killer.UUCP> <4751@vdsvax.steinmetz.ge.com>
Sender: usenet@think.UUCP
Reply-To: barmar@kulla.think.com.UUCP (Barry Margolin)
Organization: Thinking Machines Corporation, Cambridge, MA
Lines: 68
The Symbolics mouse conventions are in many general ways similar to
the Sun mouse operations described by Bruce Barnett, although the
details are different. As on the Sun, the right button is
conventionally used to bring up a menu, and modifier keys can also be
used (the Symbolics keyboard has five modifiers: Shift, Control, Meta,
Super, and Hyper, and multiple modifiers may be used together).
Double-clicking is also supported, but several releases ago this was
made synonymous with clicking while holding the Shift key (previous
releases didn't make use of modifiers with mouse clicks).
In general, clicking the left button selects an object, as on the Sun.
Clicking the right button brings up a menu of operations that may be
performed on the object being pointed to. Shift-Right brings up a
general-purpose system menu. The middle button is often used for some
kind of help or description (e.g. in a Lisp window, middle-clicking on
the display of a Lisp object executes (DESCRIBE '