When you install some qt apps in ubuntu like smplayer and lyx, you can change their appearance eiher with their preferences menu or with the qt-config utility. You can choose between several themes ...
I installed Ubuntu Natty 2011.04 from scratch, and then mozc (Google's IME, which I prefer to other options) which provides Japanese input. It works in all applications EXCEPT Qt-based applications ...
Possible Duplicate: How to setup Qt Creator to compile Windows executables? I would like to know how to build QT4 for Windows so I can build the latest Warzone 2100 master on my computer. ...