Eclipse/GTK+ wasting screen real estate

Eclipse on Linux (GTK+) has rather large UI elements w开发者_JAVA百科hich wastes screen real estate. Compare the Linux version (taken on Ubuntu 9.10):

with the Windows version:

Note the vertical size of the Project Explorer tab, the menubar, and the toolbar. Is it possible to tweak this somehow? How does this look in other Linux distributions?

There are some blog entries for making Eclipse GTK gui less "clumsy". Note that you have to modify the gtkrc file in most cases:

• Making Eclipse good on Linux
• Tweaking Eclipse UI
• Smaller font sizes for Eclipse on Linux