[PyQt] headerDataChanged connection: new-style syntax problem

[Vicent Mas]

On 2010-11-13 Phil Thompson <phil at riverbankcomputing.com> said:

> On Sat, 13 Nov 2010 09:57:26 +0100, Vicent Mas <uvemas at gmail.com> wrote:
> > Hi,
> > 
> > I'm upgrading some code and moving signal/slot connections from old
> 
> style
> 
> > to
> > 
> > new style but I'm having problem with this line:
> >         self.connect(self.tmodel, QtCore.SIGNAL("headerDataChanged(int,
> >         int,
> > 
> > int)"), self.my_slot)
> > 
> > where self is an instance of QtGui.QTableView and self.tmodel is an
> > instance
> > of QtCore.QAbstractTableModel.
> > 
> > I've tried:
> > 
> > 1) self.tmodel.headerDataChanged.connect(self.my_slot)
> > 2) self.tmodel.headerDataChanged[int, int, int].connect(self.my_slot)
> > 
> > and other variations with no luck. Could someone tell me how to convert
> 
> it
> 
> > to
> > the new-style syntax, please? I'm using Qt-4.6.3 and PyQt-4.8.
> 
> Define "no luck".
> 
> Phil

:-) I mean that some times my program aborts, other times I get no errors but 
the slot is never executed. I don't use any debugger, I just put a print 
'something' in the first line of the slot but the string is never printed. The 
old-style version works just fine.

Vicent
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