QtTranslationManipulatorNode.hh 6.05 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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\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
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 *   $Revision$                                                       *
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 *   $Author$                                                      *
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\*===========================================================================*/
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//=============================================================================
//
//  CLASS QtTranslationManipulatorNode
//
//=============================================================================


#ifndef ACG_QTTRANSLATIONMANIPULATOR_NODE_HH
#define ACG_QTTRANSLATIONMANIPULATOR_NODE_HH


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

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

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


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

namespace ACG {
namespace SceneGraph {


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


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

class ACGDLLEXPORT QtTranslationManipulatorNode : public QObject , public TranslationManipulatorNode
{
  Q_OBJECT

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

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

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

  public:


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

  /// Destructor.
  ~QtTranslationManipulatorNode();


  /// class name
  ACG_CLASSNAME(QtTranslationManipulatorNode);

  //
  // 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_; };

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  /// Set additional data for the node
  void setData(QVariant _data) {data_ = _data;};
  
  /// Get additional data for the node
  QVariant getData() {return data_;};
  
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  void show() { TranslationManipulatorNode::show(); emit visibilityChanged( this, visible() );  };
  void hide() { TranslationManipulatorNode::hide(); emit visibilityChanged( this, visible() );  };

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

  private:
    int identifier_;
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    QVariant  data_;
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};


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