[qt] function rename and small optimizations
[x11] atoms
[qt] use qobject_cast when possible, seems to avoid some crash
[qt] disable prepolish if we are in kwin
[qt] format
[qt] set translucentbackground for plasma, fixes plasma tooltip
[qt] getStyle
[qt5] try adding transparent background support for qtquickcontrol
[qt5] remove parentless dialog fix
[qt] remove Utils::addEventFilter, qt always remove duplicated filters
[qt5] parentless dialog cleanup
[qt, gtk] remove parentless dialog, this is rather a bug in the application and should be fixed there.
[qt4] typo
[qt] format, remove dead code, need other ways to handle cleanup
[qt] remove plasma exception, not needed anymore
[po] parentless dialog cleanup