[vtkusers] Strange behavior between vtkBalloonWidget and vtkInteractorStyleTrackballCamera

[Gerrick Bivins]

Hi All,
I recently started using vtkBalloonWidget in my application and I noticed
that if it is enabled, navigation with vtkInteractorStyleTrackballCamera
continues until the mouse is released.
This occurs for any type of navigation, pan, rotation, zoom.  However if
the balloon widget is disabled, navigation only occurs if the mouse is
pressed and moved (button press +mouse drag).
Is this the intended behavior?  If so, which callback event should I check
for to disable the balloon widget while navigation is occurring? I tried
³LeftButtonPressEvent² but my callback wasn¹t detected.
I¹m using Java with vtk 5.2 and I¹ve seen this behavior on Mac and WinXP 32.
Gerrick
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