Most of the components cannot be used with non touch devices like Nokia 6210 Navigator.
I tried many examples, this is typical by behaviour: C:\NokiaQtSDK\Examples\4.6\dialogs\tabdialog
In tabbed view controls in tab cannot be reached by navkeys.
I You succeed enter the list, canoot get out of it
Lots of similar. It seems like these have never been even tried, just compiled.
if I replace the setstyle line with the line:
some components start to work slightly better (the list in last tab).