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Eclipse TreeViewer / ViewPart splash screen

I am developing a flash drive application using eclipse. I have a TreeViewer in a ViewPart and I am using it to display various categories. However, I cannot find a way to handle the background click event. I don't have much experience with eclipse development, so it might be the wrong word.

I need something like this:

TreeViewer.setOnBackGroundClickListener(new ClickListener() {});

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You have to use SWT layer:

TreeViewer.getTree().addMouseListener(new MouseListener() {...});



With this method, I get click notification even outside the selection.

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