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From: jeenglis@alcor.usc.edu (Joe English Muffin)
Newsgroups: comp.windows.x
Subject: Re: Athena Graphics Widget?
Message-ID: <13238@chaph.usc.edu>
Date: 20 Nov 90 00:12:06 GMT
References: <_=+^9J&@rpi.edu> <1990Nov19.125736@wsl.dec.com>
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klee@wsl.dec.com (Ken Lee) writes:

>In article <_=+^9J&@rpi.edu>, poladiag@turing.cs.rpi.edu (Grant Poladian) writes:
>|> I'd like to know if there is someway of using graphics (drawing and such)
>|> through some Athena Widget?

>The "correct" way to do this is to subclass an existing widget and add
>the graphics functionality you desire.  If no existing widget has any
>functionality you can use, you can just subclass the core widget.

You could also use a Grip.  The GripAction() callback is versatile
enough to let you create just about any kind of input semantics
you want.

It's kind of a hack, but it takes less than a tenth the
amount of code as writing a new widget would.


--Joe English

  jeenglis@alcor.usc.edu