TrackballManipulator.hpp

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#ifndef DART_GUI_OSG_TRACKBALLMANIPULATOR_HPP_
#define DART_GUI_OSG_TRACKBALLMANIPULATOR_HPP_
 
#include <osgGA/OrbitManipulator>
 
namespace dart {
namespace gui {
namespace osg {
 
#define DART_META_Object(library, name)                                        \
  ::osg::Object* cloneType() const override                                    \
  {                                                                            \
    return new name();                                                         \
  }                                                                            \
  ::osg::Object* clone(const ::osg::CopyOp& copyop) const override             \
  {                                                                            \
    return new name(*this, copyop);                                            \
  }                                                                            \
  bool isSameKindAs(const ::osg::Object* obj) const override                   \
  {                                                                            \
    return dynamic_cast<const name*>(obj) != NULL;                             \
  }                                                                            \
  const char* libraryName() const override                                     \
  {                                                                            \
    return #library;                                                           \
  }                                                                            \
  const char* className() const override                                       \
  {                                                                            \
    return #name;                                                              \
  }
// TODO(JS): Copied from osg/Object. Due to the namespace conflict between osg
// and dart::gui::osg, we need to explicitly specify the root namespace osg as
// ::osg
 
class OSGGA_EXPORT TrackballManipulator : public ::osgGA::OrbitManipulator
{
public:
  TrackballManipulator(int flags = DEFAULT_SETTINGS);
 
  TrackballManipulator(
      const TrackballManipulator& tm,
      const ::osg::CopyOp& copyOp = ::osg::CopyOp::SHALLOW_COPY);
 
  virtual ~TrackballManipulator();
 
  bool performMovementLeftMouseButton(
      const double eventTimeDelta, const double dx, const double dy) override;
 
  bool performMovementRightMouseButton(
      const double eventTimeDelta, const double dx, const double dy) override;
 
  DART_META_Object(dart - gui - osg, TrackballManipulator)
  // TODO(MXG): Consider applying the META macros to every dart::gui::osg Node
};
 
} // namespace osg
} // namespace gui
} // namespace dart
 
#endif // DART_GUI_OSG_TRACKBALLMANIPULATOR_HPP_