On Friday 23 February 2007 7:04 pm, Arve Knudsen wrote: > On 2/23/07, Michael Guntsche <[EMAIL PROTECTED]> wrote: > > On Feb 23, 2007, at 17:51, Arve Knudsen wrote: > > > Hello > > > If I try to reimplement the method drawItems in a QGraphicsScene > > > subclass, the program segfaults. Is this a bug in PyQt? I am by the > > > way using PyQt 4.1.1 (self-compiled) and Qt 4.2.0 (Ubuntu). I've > > > included a sample program which exhibits the behaviour. > > > > Works here. > > QT 4.2.2 and the latest Pyqt snapshot. > > Very strange ... I've now installed the latest snapshot, and the problem > persists. This time on a Gentoo installation with Qt 4.2.2. Inspecting the > generated Python bindings, sipQtGuiQGraphicsScene.cpp, it seems to me there > is a bug in meth_QGraphicsScene_drawItems. Argument 3, an array of > QGraphicsItem*, is actually treated as a return value from the > corresponding C++ function and thus uninitialized before being passed to > Qt. As such I wonder how come it doesn't crash on your machine, maybe the > memory error is not detected? > > If you print out the arguments to drawItems in Python you'll find that > instead of a list of QGraphicItems you'll receive an int instead (the > number of items).
It's a bug - I need to add some handwritten code to handle the array. Phil _______________________________________________ PyKDE mailing list [email protected] http://mats.imk.fraunhofer.de/mailman/listinfo/pykde
