Is it possible to use arrow keys alone to expand tree node in package explorer in Eclipse on Linux?

Question

When using Eclipse I browse through the package explorer tree using the keyboard arrows a lot.

In Windows I can expand a collapsed node by pressing the →<

Answer 1

The navigation of Tree widget is controlled by underlaying widget toolkit - GTK. SWT/Eclipse has no control over it. If any such configuration is required for changing the short-cut, then it has to be made from the GTK side itself.