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

[Stefan Champailler]

I've removed some useless code but the issue still is there...

really sounds like a bug...

stF


On Sat, 9 Aug 2014 23:10:33 +0200
Stefan Champailler <schampailler at skynet.be> wrote:

> 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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> Twitter : @Arakowa1
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