Method AddTooltipForInput

Rendering/VR/vtkVRInteractorStyle.cxx:1067–1136

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//------------------------------------------------------------------------------
void vtkVRInteractorStyle::AddTooltipForInput(
  vtkEventDataDevice device, vtkEventDataDeviceInput input, const std::string& text)
{
  int iInput = static_cast<int>(input);
  int iDevice = static_cast<int>(device);

  std::string controlName;
  std::string controlText;
  int drawSide = -1;
  int buttonSide = -1;

  // Setup default text and layout
  switch (input)
  {
    case vtkEventDataDeviceInput::Trigger:
      controlName = "trigger";
      drawSide = vtkVRControlsHelper::Left;
      buttonSide = vtkVRControlsHelper::Back;
      controlText = "Trigger :\n";
      break;
    case vtkEventDataDeviceInput::TrackPad:
      controlName = "trackpad";
      drawSide = vtkVRControlsHelper::Right;
      buttonSide = vtkVRControlsHelper::Front;
      controlText = "Trackpad :\n";
      break;
    case vtkEventDataDeviceInput::Grip:
      controlName = "lgrip";
      drawSide = vtkVRControlsHelper::Right;
      buttonSide = vtkVRControlsHelper::Back;
      controlText = "Grip :\n";
      break;
    case vtkEventDataDeviceInput::ApplicationMenu:
      controlName = "button";
      drawSide = vtkVRControlsHelper::Left;
      buttonSide = vtkVRControlsHelper::Front;
      controlText = "Application Menu :\n";
      break;
    default:
      vtkWarningMacro(<< "AddTooltipForInput: unknown input type " << static_cast<int>(input));
      break;
  }

  controlText += text;

  // Clean already existing helpers
  if (this->ControlsHelpers[iDevice][iInput] != nullptr)
  {
    if (this->CurrentRenderer)
    {
      this->CurrentRenderer->RemoveViewProp(this->ControlsHelpers[iDevice][iInput]);
    }
    this->ControlsHelpers[iDevice][iInput]->Delete();
    this->ControlsHelpers[iDevice][iInput] = nullptr;
  }

  // Create an input helper and add it to the renderer
  vtkVRControlsHelper* inputHelper = this->MakeControlsHelper();