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List:       pykde
Subject:    Re: [PyQt] new style signal/slot and sender() method
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2010-08-27 16:23:50
Message-ID: be8f7574f130e385e6313372101c3e0d () localhost
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On Fri, 27 Aug 2010 17:14:40 +0200, Erik Janssens
<Erik.Janssens@conceptive.be> wrote:
> Hi,
> 
> We are switching our codebase to new style signal/slot and
> this is a strange issue.
> 
> When connecting a QComboBox currentIndexChanged signal to
> a slot :
> 
>     def granularity_changed(self, idx):
>         granularity = self.sender().get_value()
> 
> sender returns the right object, however, when using
> the pyqtSlot decorator :
> 
>     @QtCore.pyqtSlot(int)
>     def granularity_changed(self, idx):
>         granularity = self.sender().get_value()
> 
> sender returns None.
> 
> Is this a known issue ?  If so, can anybody shed some light
> on the reasoning behind this ?

As far as I am aware this was fixed in PyQt v4.7.4.

Phil
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