Path: utzoo!attcan!uunet!cs.utexas.edu!usc!bloom-beacon!ARISTOTLE-GW.JPL.NASA.GOV!pjs
From: pjs@ARISTOTLE-GW.JPL.NASA.GOV (Peter Scott)
Newsgroups: comp.windows.x
Subject: (none)
Message-ID: <8909161835.AA13023@aristotle.Jpl.Nasa.Gov>
Date: 16 Sep 89 18:35:35 GMT
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 14

On a number of quite different windowing systems I've observed
the behavior of a widget such as a command button, which highlights
when it's pressed, perform the highlighting but not the callback
that's also associated with it.  In other words, the button flashes,
but the action that's supposed to happen doesn't.  This generally
happens when the button is pressed quite quickly after a sequence of
other actions has been taken.

I've seen this behavior in X systems as well.  What causes it?  If
the widget is picking up the activation such that the highlighting
code is executed, how come the user callback isn't executed also.
This is an extremely common occurrence for us nimble-fingered folk.

Peter Scott (pjs@grouch.jpl.nasa.gov)