[Panel-devel] [PATCH] tooltips + taskbar thumbnails

[Jason Stubbs]

On Thursday 27 December 2007 22:50:54 JST Matt Williams wrote:
> On Thursday 27 December 2007 13:39:27 Jason Stubbs wrote:
> > (What is qgraphicsitem_cast anyway?)
>
> It's like qobject_cast, but since QGraphicsItem doesn't derive from
> QObject, a different function is needed. To use qgraphicsitem_cast, the
> item must have a QGraphicsItem::UserType defined. See
> http://doc.trolltech.com/4.3/qgraphicsitem.html#UserType-var and
> http://doc.trolltech.com/4.3/qgraphicsitem.html#qgraphicsitem_cast

Aha! That makes more sense. So I guess the cast was successful because 
Plasma::Widget and TaskGroupItem (which is a subclass of Widget) are both
of the same type then.

-- 
Jason Stubbs