[Qt-interest] Signals emitted by QSceneView

[Brian McKinnon]

I have some questions about how signals are emitted from the
QGraphicsView/Scene classes.  I've been trying unsuccessfully to implement a
system where an item can be moved around on a view normally, but once the
mouse leaves the view I would like to start a drag event.  I've been trying
to overload the leaveEvent, mouseLeaveEvent, ... well pretty much any leave
event in either the view, scene, or item that I can find with no luck.  Is
there a notification that gets set out when a mouse leaves a view while
dragging an item in the scene?

On a side note is there an efficient way to monitor events to trace when
they occur without manually creating a list and pushing the event number
from inside of an overloaded event function?

Any suggestions would be appreciated.
Brian!
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