[PyQt] Adding methods to C++-created objects
phil at riverbankcomputing.co.uk
Wed Oct 17 18:18:27 BST 2007
On Wednesday 17 October 2007, Giovanni Bajo wrote:
> I get random crashes from code like this one:
> class MyDelegate(QItemDelegate):
> def createEditor(self, *args):
> ed = QItemDelegate.createEditor(self, *args)
> ed.foo = bar # adding stuff to python instance
> ed.foo2 = lambda: bar
> return ed
> def setModelData(self, editor, model, index):
> print editor.foo # accessing python stuff added before
> I think it's either a PyQt bug or simply this usage pattern is not fully
> supported. If this is something that should work, I'll work on a repro
It should work (assuming the parent argument to createEditor() is not
The qitemdelegate.sip file looks like it might be missing some annotations.
The following may help...
virtual QWidget *createEditor(QWidget *parent /TransferThis/,
...) const /Factory/;
...but there may still be issues. A test case would be very helpful.
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