 <p>It is absolutely the same in C++, so not only a python / pyqt problem (played around with that for some time now to see if I can find a solution). I first thought this is the old bug with Qt::ItemIsEnabled coming back which we already had in 4.2, but it was not.</p> <p>This is either working as intended and not enough described in the documentation (my +1 for this), or a bug.</p> <p>To be sure about this, I would file a bug at <a href="http://bugreports.qt.nokia.com" rel="nofollow">http://bugreports.qt.nokia.com</a>, and see what they say about this.</p>