[Interest] Subclassing QTreeWidgetItem together with QObject

[Andrej Kacian]

On Fri, 27 Nov 2015 12:35:56 +0300
Igor Mironchik <igor.mironchik at gmail.com> wrote:

> On 27.11.2015 12:19, Andrej Kacian wrote:
> > Hello all,
> >
> > I have a class derived from QTreeWidgetItem, and would like it to
> > be able to use Qt's signal/slot system.
> >
> > Since QTreeWidgetItem is not itself derived from QObject, can I
> > safely inherit from QTreeWidgetItem and QObject at the same time?
> > E.g.:
> >
> > class MyTreeWidgetItem: public QTreeWidgetItem, public QObject
> > {
> >    Q_OBJECT
> >    ...
> > }  
> 
> I don't see technical problems here, but...

Well, the one problem I see, after looking closer is that Both
QTreeWidgetItem and QObject have parent() method, each different. It
could be that these will overload nicely, but I am not sure about that.

> >
> > Or is there a better way to do what I described?
> >
> > Thanks in advance,  
> 
> Can you point out to what the signals/slots do you want to have?

I just need one slot in it to be able to trigger update of displayed
columns for that item/row in the treeview.

Regards,
-- 
Andrej