FiveTech Software tech support forums

... GTK+ allows moving the focus widget with the keyboard. Tab and Shift-Tab are used to move the focus forward and backwards through all focusable widgets. However, GTK+ also allows focus navigation using the arrow keys. The arrow keys move the focus around the window directionally, instead of ...

http://www.tipmonkies.com/2005/10/10/in ... ebar-on-xp

Works nicely!

Notice that you can drag & drop the "parts" (named "gadgets") onto the desktop, having a similar functionality like OSX tiger "widgets".