QtManipulatorNode.hh 5.84 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
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 *      Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen      *
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 *                           www.openflipper.org                             *
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 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
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 *  OpenFlipper is free software: you can redistribute it and/or modify      *
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 *  covered by the GNU Lesser General Public License.                        *
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\*===========================================================================*/
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/*===========================================================================*\
 *                                                                           *
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 *   $Revision$                                                       *
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 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
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//=============================================================================
//
//  CLASS QtManipulatorNode
//
//=============================================================================


#ifndef ACG_QTMANIPULATOR_NODE_HH
#define ACG_QTMANIPULATOR_NODE_HH


//== INCLUDES =================================================================

// GMU
#include "ACG/Scenegraph/ManipulatorNode.hh"

// Qt
#include <QEvent>
#include <QMouseEvent>


//== NAMESPACES ===============================================================

namespace ACG {
namespace SceneGraph {


//== CLASS DEFINITION =========================================================


/** \class QtManipulatorNode QtManipulatorNode.hh <ACG/QtScenegraph/QtManipulatorNode.hh>
Additional overlay class for emitting signals if manipulator is moved
*/

class ACGDLLEXPORT QtManipulatorNode : public QObject , public ManipulatorNode
{
  Q_OBJECT

  signals:
    /** This signal is emitted everytime the manipulator is moved
     * Do not traverse Scenegraph when called by this function!!!!!!!
     */
    void manipulatorMoved( QtManipulatorNode* _node, QMouseEvent* _event);

    /** The visibility of this node has changed
     * @param _visible Is it now visible?
     */
    void visibilityChanged( QtManipulatorNode* _node, bool _visible );

    /** this signal is emited every time the position of the manipulator is changed
     */
    void positionChanged( QtManipulatorNode * _node );

  public:


  /// Default constructor.
  QtManipulatorNode( BaseNode* _parent=0,
		               const std::string& _name="<QtManipulatorNode>" );

  /// Destructor.
  ~QtManipulatorNode();


  /// class name
  ACG_CLASSNAME(QtManipulatorNode);

  //
  // METHODS
  //

  /// get mouse events
  void mouseEvent(GLState& _state, QMouseEvent* _event);

  /// Set an identifier for that manipulator
  void setIdentifier( int _id) { identifier_ = _id; };

  /// Get an identifier for that manipulator
  int getIdentifier( ) { return identifier_; };

  void show() { ManipulatorNode::show(); emit visibilityChanged( this, visible() );  };
  void hide() { ManipulatorNode::hide(); emit visibilityChanged( this, visible() );  };

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  void rotate(double _angle, const Vec3d& _axis) { TransformNode::rotate(_angle, _axis); emit positionChanged( this ); };

  void translate( double _s ) { ManipulatorNode::translate(_s); emit positionChanged( this ); };

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  void set_center( const Vec3d& _c ) { ManipulatorNode::set_center(_c); emit positionChanged( this ); };

  private:
    int identifier_;

};


//=============================================================================
} // namespace SceneGraph
} // namespace ACG
//=============================================================================
#endif // ACG_QTMANIPULATOR_NODE_HH defined
//=============================================================================