Do you know any decent image or PDF of the Qt 4 class hierarchy?
Such as they have for Qt 3:
ftp://ftp.trolltech.com/qt/pdf/3.0/qt30-class-chart.pdf
Here is the class table for Qt 4.3:
http://doc.qt.digia.com/extras/qt43-class-chart.pdf
I don't know any class diagrams for later versions than this.