Have you looked at:

    HandMorph showEvents: true

found at:

http://wiki.squeak.org/squeak/2332

On 5/24/07, Bert Freudenberg <bert at freudenbergs.de> wrote:
>
> On May 24, 2007, at 16:34 , subbukk wrote:
>
> > Hi,
> >
> > Is there a way to get notified (not polling) when any mouse button/
> > modifier
> > key goes up/down?
> >
> > I was trying to put together a Morph (like the Mouse button
> > indicator in the
> > Orange Book) that tracks up/down status of mouse buttons and
> > modifier keys in
> > real time. I got stuck because all existing usage of Sensor is
> > based on
> > polling while I would rather get notified on changes.
>
> You should never use Sensor in Morphic, this is from MVC days.
>
> Use Morphic events: http://wiki.squeak.org/squeak/2477
>
> - Bert -
>
>
>
>