Function GetModifierState

Modules/Core/src/Interactions/mitkEventFactory.cpp:111–163

* @brief GetModifierState Return ModifierState as String * @param event * @return */

 * @return
 */
static std::string GetModifierState(mitk::InteractionEvent *event)
{
  mitk::InteractionEvent::ModifierKeys modifierKeys = mitk::InteractionEvent::NoKey;
  std::string eventClass = event->GetNameOfClass();
  std::transform(eventClass.cbegin(), eventClass.cend(), eventClass.begin(), ::toupper);
  std::string strModKeys = "";
  // TODO Add InteractionKey
  if (eventClass == "MOUSEPRESSEVENT")
  {
    auto *mme = dynamic_cast<mitk::MousePressEvent *>(event);
    modifierKeys = mme->GetModifiers();
  }
  if (eventClass == "MOUSERELEASEEVENT")
  {
    auto *mme = dynamic_cast<mitk::MouseReleaseEvent *>(event);
    modifierKeys = mme->GetModifiers();
  }
  if (eventClass == "MOUSEDOUBLECLICKEVENT")
  {
    auto *mme = dynamic_cast<mitk::MouseDoubleClickEvent *>(event);
    modifierKeys = mme->GetModifiers();
  }
  if (eventClass == "MOUSEMOVEEVENT")
  {
    auto *mme = dynamic_cast<mitk::MouseMoveEvent *>(event);
    modifierKeys = mme->GetModifiers();
  }
  if (eventClass == "MOUSEWHEELEVENT")
  {
    auto *mme = dynamic_cast<mitk::MouseWheelEvent *>(event);
    modifierKeys = mme->GetModifiers();
  }

  if (modifierKeys & mitk::InteractionEvent::ShiftKey)
  {
    strModKeys = "SHIFT";
  }
  if (modifierKeys & mitk::InteractionEvent::ControlKey)
  {
    if (strModKeys != "")
      strModKeys += ",";

    strModKeys += "CTRL";
  }
  if (modifierKeys & mitk::InteractionEvent::AltKey)
  {
    if (strModKeys != "")
      strModKeys += ",";

    strModKeys += "ALT";
  }
  return strModKeys;
}

/**
 * @brief GetEventButton Return EventButton as String