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From: freedman@ksi_mistaya.UCalgary.CA (Dan Freedman)
Newsgroups: comp.sys.apollo
Subject: how do you detect shift/ctrl key with mouse down in GPR?
Keywords: GPR mouse key input
Message-ID: <751@cs-spool.calgary.UUCP>
Date: 20 Feb 89 19:44:57 GMT
Sender: news@calgary.UUCP
Reply-To: freedman@ksi_mistaya.UCalgary.CA (Dan Freedman)
Organization: Knowledge Science Lab, U. of Calgary, Calgary, Canada.
Lines: 16


A researcher here at the U. of Calgary is porting a large VLSI
design system to our DN4500's running SR 10.1.  He is using GPR
to do i/o to the screen and keyboard, and is operating in direct
mode.  In order to get the user interface to behave as it does
on other systems (ie: suns), he needs to be able to detect
whether or not the shift or control keys are down when a mouse
button is pressed.  If they are, then different actions should
be performed than when they are up.  The manuals unfortunately don't
say how to do this.  I know that it is possible to do so in some way,
since X windows (at least under 9.7 in borrow mode) is able to
do it.  Any ideas?
Dan Freedman
University of Calgary Computer Science Department
2500 University Drive N.W.			      freedman@cpsc.UCalgary.CA
Calgary, Alberta, T2N 1N4	                   ...!alberta!calgary!freedman