[vtkusers] vtkRenderWindowInteractor and mouse events

[David Doria]

On Thu, Aug 15, 2013 at 12:43 PM, Gib Bogle <g.bogle at auckland.ac.nz> wrote:
> As I posted previously, I'm trying to find out how to suppress a behaviour
> of the interactor (which I observer using QVTKWidget) when viewing 2D
> images, i.e. with vtkInteractorStyleImage.  When the mouse is dragged with
> left button pressed the image intensities are changed.  I have not been able
> to locate where this is being done, so now I'm looking into catching
> MouseMove events when the left button is down.

You could create a subclass of the InteractorStyle and implement

virtual void OnLeftButtonDown ()
virtual void OnLeftButtonUp ()

to do nothing. (i.e. void OnLeftButtonDown () {} )

David