[vtkusers] How to add vtkRenderWindowInteractor to a native Cocoa window

[Elvis Dowson]

Hi,
         I managed to find a solution, but I'm not so sure about the  
performance of my solution, mainly if the following call sequence the  
absolute bare-minimum and efficient way to get what I want to do.

The code fragment works, however, and it is able to differentiate  
between a QGraphicsItem in a scene and the VTK background.

Best regards,

Elvis Dowson


// Description:
// Overloaded virtual method for handling mouse press events.
void QVTKGraphicsView::mousePressEvent(QMouseEvent* event)
{	
	if(!this->scene()->focusItem())
	{
		emit mousePressEvent1(event);	
		this->scene()->update();	
		QGraphicsView::mousePressEvent(event);
	}
	else
	{
		QGraphicsView::mousePressEvent(event);
	}
	
}

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