[PySide] QSortFilterProxyModel and QListView - indexWidget pointer get deleted when filtering

[Stefan Champailler]

Hi MAtthieu,

I can reproduce your bug 

Could you try to make a simpler version of your code ? Sometimes, it helps to sort out other causes of error (I had my share of dangling pointer with PySide...)

Stefan



On Fri, 8 Aug 2014 12:06:58 +0200
Matthieu Cadet <matthieu.cadet at gmail.com> wrote:

> Hi
> 
> As I didn't get answer yet, I've also post a question on StackOverflow
> 
> http://stackoverflow.com/questions/24995936/pyside-qsortfilterproxymodel-and-qlistview-indexwidget-pointer-get-deleted-w
> 
> Someone has test the code on Windows 7 with PySide 1.2.2 and Python 3.3 and
> says it works for him without RuntimeError message....
> 
> I'm still trying to find a solution to this problem :P
> 
> 
> 
> On Mon, Jul 28, 2014 at 2:26 PM, Matthieu Cadet <matthieu.cadet at gmail.com>
> wrote:
> 
> > Hi PySide guru's
> >
> > I've a problem with a custom QListView I'm trying to make, here the
> > problem:
> >
> > I'm using QListView to show a list of QWidget object by using
> > QListView.setIndexWidget(),
> > this works pretty fine, but now I want to filter the item model by
> > using QSortFilterProxyModel()
> > with .setFilterWildcard() it is not working very well because the second
> > time the model is filtered
> > I got error like this :
> >
> > *RuntimeError: Internal C++ object (PySide.QtGui.QLabel) already deleted.*
> >
> > Without using filtering and QSortFilterProxyModel everything works fine,
> > but it seems I'm missing
> > something with the filtering operation, the indexWidget() is deleted when
> > using filtering :(
> >
> > here a sample code where you can reproduce the bug, when list view is
> > shown, hit 1,2 or 3 keyboard
> > key to activate filtering ( Backspace to set filtering empty to show all
> > items )
> >
> > *https://gist.github.com/66e29df303d1f1825a53.git
> > <https://gist.github.com/66e29df303d1f1825a53.git>*
> >
> >
> > Can someone please help me on this? is this a known bug ? or I'm doing it
> > completely wrong :P
> >
> > Thanks in advance for your help.
> >
> > --
> > Matthieu Cadet
> >
> 
> 
> 
> -- 
> Matthieu Cadet
> Compositor Artist & TD,
> nWave Digital
> matthieu.cadet at gmail.com


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