glc_movercontroller.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 GLC-lib is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/


#ifndef GLC_MOVERCONTROLLER_H_
#define GLC_MOVERCONTROLLER_H_

#include "glc_mover.h"
#include <QObject>
#include <QHash>
#include <QtDebug>

#include "../glc_config.h"
#include "glc_userinput.h"

class QGLWidget;



class GLC_LIB_EXPORT GLC_MoverController : public QObject
{
        Q_OBJECT
public:
        typedef QHash<const int, GLC_Mover*> MoverHash;

        enum MoverType
        {
                Pan= 1,
                Zoom= 2,
                TrackBall= 3,
                Target= 4,
                TurnTable= 5,
                Fly= 6,
                TSR= 7
        };

public:
        GLC_MoverController();

        GLC_MoverController(const GLC_MoverController&);

        virtual ~GLC_MoverController();



public:

        inline bool hasActiveMover() const
        { return (m_ActiveMoverId != 0);}

        inline int activeMoverId() const
        {return m_ActiveMoverId;}

        inline GLC_Mover* activeMover() const
        {return m_MoverHash.value(m_ActiveMoverId);}

        inline GLC_Mover* getMover(const int id) const
        {return m_MoverHash.value(id);}




public:
        GLC_MoverController& operator = (const GLC_MoverController&);

        void addMover(GLC_Mover*, const int);

        void removeMover(const int);

        void setActiveMover(const int id, const GLC_UserInput& userInput);

        void setNoMover();

        inline bool move(const GLC_UserInput& userInput)
        {
                Q_ASSERT(0 != m_ActiveMoverId);
                return m_MoverHash.value(m_ActiveMoverId)->move(userInput);
        }




public:
        inline void drawActiveMoverRep()
        {
                if(0 != m_ActiveMoverId)
                {
                        m_MoverHash.value(m_ActiveMoverId)->renderRepresentation();
                }
        }

signals:
        void repaintNeeded();

// Private Members
private:
        int m_ActiveMoverId;

        MoverHash m_MoverHash;
};

#endif /* GLC_MOVERCONTROLLER_H_ */