Method OnLeftButtonUp

Views/Infovis/vtkInteractorStyleTreeMapHover.cxx:309–352

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//------------------------------------------------------------------------------
void vtkInteractorStyleTreeMapHover::OnLeftButtonUp()
{
  // Get the id of the object underneath the mouse
  int x = this->Interactor->GetEventPosition()[0];
  int y = this->Interactor->GetEventPosition()[1];
  this->FindPokedRenderer(x, y);

#if 0
  vtkRenderer* r = this->CurrentRenderer;
  if (r == nullptr)
  {
    return;
  }

  if (!r->HasViewProp(this->Balloon))
  {
    r->AddActor(this->Balloon);
    this->Balloon->SetRenderer(r);
  }

  double loc[2] = {x, y};
  this->Balloon->EndWidgetInteraction(loc);
#endif

  this->CurrentSelectedId = GetTreeMapIdAtPos(x, y);

  // Get the pedigree id of this object and
  // send out an event with that id as data
  vtkIdType id = this->CurrentSelectedId;
  vtkAbstractArray* absArray =
    this->Layout->GetOutput()->GetVertexData()->GetAbstractArray("PedigreeVertexId");
  if (absArray)
  {
    vtkIdTypeArray* idArray = vtkArrayDownCast<vtkIdTypeArray>(absArray);
    if (idArray)
    {
      id = idArray->GetValue(this->CurrentSelectedId);
    }
  }
  this->InvokeEvent(vtkCommand::UserEvent, &id);

  this->HighLightCurrentSelectedItem();
  Superclass::OnLeftButtonUp();
}

void vtkInteractorStyleTreeMapHover::HighLightItem(vtkIdType id)
{