[Qt5-feedback] Adding better data access method to QAbstractItemModel?

[Thiago Macieira]

On Monday, 11 de July de 2011 15:12:48 André Pönitz wrote:
> On Monday 11 July 2011 14:43:41 ext Stephen Kelly wrote:
> > That means this is source compatible for the emitter but not the receiver,
> > ie,
> > 
> > emit dataChanged(foo, bar);
> > 
> > still works, but
> > 
> > connect(model, SIGNAL(dataChanged(QMI,QMI)), SLOT(onDataChanged(QMI,QMI));
> > 
> > Needs to be changed to at least:
> > 
> > connect(model, SIGNAL(dataChanged(QMI,QMI,QSet<int>)),
> > SLOT(onDataChanged(QMI,QMI));
> > 
> > The (source compatible) alternative would be to add a roleDataChanged
> > signal with the signature I proposed instead of changing dataChanged (and
> > possibly deprecating dataChanged).
> > 
> > What are your thoughts? Are small source incompatibilities like that
> > acceptible?
> 
> Having to touch all dataChanged() receivers looks quite intrusive.

Then don't. Keep source compatibility:

signals:
	dataChanged(QModelIndex, QModelIndex, QSet<int> = QSet<int>());

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
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