# File vtk/tk/vtkTkRenderWindowInteractor.rb, line 214 def MiddleButtonPressEvent(event, ctrl, shift) @Iren.SetEventInformationFlipY(event.x, event.y, ctrl, shift, 0.chr, 0, nil) @Iren.MiddleButtonPressEvent if !@FocusOnEnter _GrabFocus end end