DoubleSlider.h

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/*
-----------------------------------------------------------------------------
This source file is part of FRAPPER
research.animationsinstitut.de
sourceforge.net/projects/frapper

Copyright (c) 2008-2009 Filmakademie Baden-Wuerttemberg, Institute of Animation 

This program 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; version 2.1 of the License.

This program 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
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
-----------------------------------------------------------------------------
*/


#ifndef DOUBLESLIDER_H
#define DOUBLESLIDER_H

#include "FrapperPrerequisites.h"
#include <QtGui/QSlider>


namespace Frapper {

class FRAPPER_GUI_EXPORT DoubleSlider : public QSlider
{
    Q_OBJECT

public:
    DoubleSlider(QWidget *parent=0);
    ~DoubleSlider();

    void setDoubleMinimum(double min);
    double doubleMinimum() const;

    void setDoubleMaximum(double mox);
    double doubleMaximum() const;

    //void setRange(double min, double max);

    void setDoubleSingleStep(double step);
    double doubleSingleStep() const;

    double doubleValue();

public slots:
    void setDoubleValue(double value);
    void emitDoubleValueChanged(int v);
    void emitDoubleSliderMoved(int v);

signals:
    void doubleValueChanged(double value);
    void doubleSliderMoved(double position);

    //void rangeChanged(double min, double max);

    //void actionTriggered(double action);

protected: // methods

    double convertToDouble(int value);
    int convertToInt(double value);
    int round(double value);

protected: // variables

    double m_value;
    double m_max;
    double m_min;
    double m_step;

};

} // end namespace Frapper

#endif