Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!apple!greggor
From: greggor@Apple.COM (Greg L. Anderson)
Newsgroups: comp.sys.mac.hypercard
Subject: Re: Misc Easy HC Questions
Message-ID: <44719@apple.Apple.COM>
Date: 12 Sep 90 03:06:51 GMT
References: <11792@crdgw1.crd.ge.com>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 17

In article <11792@crdgw1.crd.ge.com> leue@galen.crd.ge.com (Bill Leue) writes:
>3. Has anyone come up with a clever way to simulate
>arbitrarily-shaped buttons, a la Supercard?  Again, I could
>define polygonal regions and then do geometric tests on the
>mouse position, but this seems on first glance to be slow
>and complex to implement with any kind of generality.

Yes, I've written polybutton XFCNs & the response time is quite good.  I
will be posting the code pretty soon.

The main problem is that the buttons MUST be transparent.  (If anyone knows
how to invoke an XFCN on an update event, I want to hear about it!)
-- 
  ___\    /___               Greg Anderson              ___\    /___ 
  \   \  /   /         Advanced Technology Group        \   \  /   /
   \  /\/\  /            Apple Computer,  Inc.           \  /\/\  /
    \/    \/               greggor@apple.com              \/    \/