[vtkusers] Bug in vtkWidgets

[rahul Kumar]

Hi, 

base class function ( vtkWidgetRepresentation) defines as 
  virtual void StartWidgetInteraction(double* vtkNotUsed(eventPos[2])) {}
  virtual void WidgetInteraction(double* vtkNotUsed(newEventPos[2])) {}

while derived class (vtkPointHandleRepresentation2D) defined as 
 virtual void StartWidgetInteraction(double eventPos[2]);
 virtual void WidgetInteraction(double eventPos[2]);

derived class functions are not called at runtime.
and we don't see widgets changing.
Other widgets also have got the same problem.


rahul 

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