Adding a command to a Pmw.counter widget

Mark Light light at
Mon Jun 6 17:51:26 CEST 2005

Martin Franklin wrote:

> Mark Light wrote:
> > Hi,
> >    I have a Pmw.Counter widget and I would like to add a command
> > that is called on pressing either the up or down arrows (the
> > command will be the same for both). I have managed to do this for
> > the entryfield with "entryfield_command = ", but can't get the same
> > to work for the arrows, could someone help me out with how to do
> > this.
> > 
> Looking at the source for the PmwCounter it doesn't look like it
> exposes the buttons callbacks.
> I think the best way to do this would be to provide a validator
> method to the Counter's entryfield.  The validator gets called
> whenever the entryfields value changes.
> Example validator methods are included in the Pmw documentation.
> Martin

Thanks - this put me on the right track

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