Hello, On Wed, Jun 15, 2016 at 7:00 PM, Igor Mironchik <igor.mironc...@gmail.com> wrote: > > Exactly. I need to Line be as parent of handles but they should be > parented to the scene (read form in my app) because I need boundingRect() > to return exactly bounding rectangle of the line without handles. An I need > handles to be removed with the Line if Line deleted. >
I didn't have time to check if the graphics view manages the children the same way as QObject hierarchies, but there's the QEvent::ChildAdded and QEvent::ChildRemoved events. If they're fired within the graphics items' object tree you could intercept them and with a bit of fiddling ultimately null your handle pointers in Line if Qt had deleted the handles. Kind regards.
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