Btw Phil, in case you're not aware, there's an equivalent bug in QGraphicsView.
Arve On 2/23/07, Arve Knudsen <[EMAIL PROTECTED]> wrote:
Thanks Phil. I've tried to make sense of how to make sip convert between the two (array<->list), but give up (I've never learnt sip). I'll leave this to the expert ... Arve On 2/23/07, Phil Thompson <[EMAIL PROTECTED]> wrote: > > 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 >
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