[vtk-developers] vtkBorderRepresentation - virtual overrides not called - VTK5

[Mathieu Malaterre]

John,

	Can you add that as a bug:

http://vtk.org/Bug

Thanks
Mathieu

John Platt wrote:
> Hi all,
> 
>  
> 
> The virtual overrides
> 
>  
> 
>    virtual void vtkBorderRepresentation::StartWidgetInteraction(double 
> eventPos[2]);
> 
>    virtual void vtkBorderRepresentation::WidgetInteraction(double 
> eventPos[2]);
> 
>  
> 
> are not called in preferences to the superclass versions
> 
>  
> 
>   virtual void vtkWidgetRepresentation::StartWidgetInteraction(double* 
> vtkNotUsed(eventPos[2])) {}
> 
>   virtual void vtkWidgetRepresentation::WidgetInteraction(double* 
> vtkNotUsed(eventPos[2])) {}
> 
>  
> 
> because the argument specifications are slightly different
> 
>  
> 
>             ( double* )
> 
>             ( double* const )
> 
>  
> 
> Consequently, the border representation does no respond to mouse events.
> 
>  
> 
> Changing the derived class versions to
> 
>  
> 
>   virtual void vtkBorderRepresentation::StartWidgetInteraction(double* 
> eventPos);
> 
>   virtual void vtkBorderRepresentation::WidgetInteraction(double* eventPos);
> 
>  
> 
> appears to fix the problem.
> 
>  
> 
> Maybe this is a peculiarity of the MS VC6 compiler?
> 
>  
> 
> John.
> 
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> 
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