MouseEventHandler.hpp

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#ifndef DART_GUI_OSG_MOUSEEVENTHANDLER_HPP_
#define DART_GUI_OSG_MOUSEEVENTHANDLER_HPP_
 
#include "dart/common/ClassWithVirtualBase.hpp"
#include "dart/common/Observer.hpp"
#include "dart/common/Subject.hpp"
 
#include "dart/gui/osg/DefaultEventHandler.hpp"
 
namespace dart {
namespace gui {
namespace osg {
 
class DefaultEventHandler;
 
DART_DECLARE_CLASS_WITH_VIRTUAL_BASE_BEGIN
class MouseEventHandler : public virtual dart::common::Subject,
                          public virtual dart::common::Observer
{
public:
  friend class DefaultEventHandler;
 
  inline MouseEventHandler() : mEventHandler(nullptr)
  {
  }
 
  virtual void update() = 0;
 
protected:
  void handleDestructionNotification(const Subject* _subject) override
  {
    if (mEventHandler == _subject)
      delete this;
  }
 
  DefaultEventHandler* mEventHandler;
};
DART_DECLARE_CLASS_WITH_VIRTUAL_BASE_END
 
} // namespace osg
} // namespace gui
} // namespace dart
 
#endif // DART_GUI_OSG_MOUSEEVENTHANDLER_HPP_