Using SwingWorker with user interaction

Hello,
I have a main GUI which uses a SwingWorker class in order to dispatch
a lengthy operation, this lengthy operation is required to update the
user interface, something that can be done quite easily using publish
method,in addition I need to retrieve keyboard clicks which also
causes the user interface to get updated.

In other words, I have a GUI and an engine that runs in the background
this engine needs to retrieve user interaction with the keyboard and
according to a keyboard click change the graphical interface.

My question is, should I divide the above operations (GUI and engine)
into two different threads, if so how do I make them share data
(keyboard --> engine engine --> gui) or maybe everything should run in
the same thread ?

What do you think ?

Thanks,
Efi

.

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