Method SetDrawControls

Rendering/VR/vtkVRInteractorStyle.cxx:1481–1517

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkVRInteractorStyle::SetDrawControls(bool val)
{
  if (this->CurrentRenderer == nullptr)
  {
    return;
  }

  // Enable helpers
  for (int d = 0; d < vtkEventDataNumberOfDevices; ++d)
  {
    // No helper for HMD
    if (static_cast<vtkEventDataDevice>(d) == vtkEventDataDevice::HeadMountedDisplay)
    {
      continue;
    }

    for (int i = 0; i < vtkEventDataNumberOfInputs; i++)
    {
      if (this->ControlsHelpers[d][i])
      {
        if (this->ControlsHelpers[d][i]->GetRenderer() != this->CurrentRenderer)
        {
          vtkRenderer* ren = this->ControlsHelpers[d][i]->GetRenderer();
          if (ren)
          {
            ren->RemoveViewProp(this->ControlsHelpers[d][i]);
          }
          this->ControlsHelpers[d][i]->SetRenderer(this->CurrentRenderer);
          this->ControlsHelpers[d][i]->BuildRepresentation();
          this->CurrentRenderer->AddViewProp(this->ControlsHelpers[d][i]);
        }

        this->ControlsHelpers[d][i]->SetEnabled(val);
      }
    }
  }
}

//------------------------------------------------------------------------------
void vtkVRInteractorStyle::SetInteractor(vtkRenderWindowInteractor* iren)