I also have this problem with Ubuntu 11.04. with applications like Google Earth.
I solved the problem with tooltips running qtconfig command and selecting "Cleanlooks" at "GUI Style" section in "Appearance" tab.
I also have this problem with Ubuntu 11.04. with applications like Google Earth.
I solved the problem with tooltips running qtconfig command and selecting "Cleanlooks" at "GUI Style" section in "Appearance" tab.