Containments, Layouts

[Oszkar Ambrus]

Alexis Ménard wrote:
>
> See 
> http://websvn.kde.org/trunk/KDE/kdebase/workspace/plasma/containments/desktop/desktop.cpp 
> wich is the containment for the desktop where applet are free to move.
Thanks, I will follow that example.
>  
>
>     >     2) When I use QGraphicsLayout (actually it's
>     QGraphicsLinearLayout)
>     >     inside an applet (for LineEdits and PushButtons), the
>     application
>     >     always
>     >     crashes, when I remove that applet.
>     >
>     >
>     > You put embeeded widget with QGraphicsProxyWidget? If yes, you
>     have to
>     > remove your applet from the scene before deleting it.
>     No, I didn't use QGraphicsProxyWidget. I added QGraphicsWidget items,
>     like Plasma::LineEdit and Plasma::PushButton.
>     Do they need to be removed too?
>
>
> If you use PushButton from recent Plasma API you use 
> QGraphicsProxyWidget because they are proxywidget, so before deleting 
> your applet that contains your button and your line edit remove it in 
> the scene before. But if you call destroy on your applet, if it's the 
> case it's automatically done by the applet class.
What do you mean by removing from the scene? Removing the applets from 
the Plasma::Corona (QGraphicsScene)?

So I should either remove them in the Corona's destructor, or call 
destroy on them?
>
>
>     >
>     >
>     >
>     >
>     >     Thanks a lot,
>     >     Oszkar
>     >
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