How to define the action the side-buttons of a plasmoid?

[todd rme]

On Sun, Feb 13, 2011 at 10:56 PM, Kun Zhang <arthur.kun at gmail.com> wrote:
> I am writing a plasmoid in python and want to do something when the user
> clicked the "Refresh" button in the sliding-out side-panel (which also
> contains the Resize and the Configuration buttons). What's the API I should
> use?

That isn't a "refresh" button, it is a "rotate" button,.

-Todd