[vtkusers] vtkChartXY: How to catch mouse click events, user interaction? (VTK 5.8.0)

[Natalie]

Hi Marcus,

thanks a lot for your reply.
After a long search for the correct class, I found out that I need to
subclass vtkContextInteractorStyle. 

However, in the constructor of vtkContextView the instance is created. The
following lines are from the constructor:

 vtkContextInteractorStyle* style = vtkContextInteractorStyle::New();
  style->SetScene(this->Scene);
  this->GetInteractor()->SetInteractorStyle(style); 

Probably, I also need to subclass the vtkContextView and change the
constructor. A little too complicated I thought. I still hope that there is
an easier way. 
I am looking forward to more ideas :-)
Natalie


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