/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLQt/src/ICLQt/DoubleSlider.h                         **
** Module : ICLQt                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <QWidget>
#include <ICLUtils/CompatMacros.h>

/** \cond */
class QSlider;
class QLabel;
class QGridLayout;
/** \endcond */

// The icl namespace
namespace icl{
  namespace qt{
    
    /// A utiltiy class which implements a labeld, double valued QSlider \ingroup UNCOMMON
    class ICLQt_API DoubleSlider : public QWidget{
      Q_OBJECT
      public:
      /// Create a new QSlider object
      /** @param parent parent widget
          @param id label
      */
      DoubleSlider(QWidget *parent, const QString &id);
      
      public Q_SLOTS:
      /// internally used slot to process when the corresponding QSlider is moved
      /** @param i value */
      void receiveValueChanged(int i);
      
      Q_SIGNALS:
      /// emitted when the slider values is changed
      void doubleValueChanged(const QString &id, double doubleValue);
      
      public:
      /// sets the min. double value
      void setMinDouble(double dmin);
  
      /// sets the max. double value
      void setMaxDouble(double dmax);
  
      /// returns the current double value
      double getDoubleValue();
  
      /// sets the current double value
      void setDoubleValue(double d);
  
      /// sets the current double stepping
      void setDoubleStepping(double s);
            
      private:
      QSlider *m_poSlider;        //!< wrapped QSlider (int-valued)
      QLabel *m_poLabel;          //!< label
      QGridLayout *m_poLayout;    //!< layout
      double m_dMin;              //!< current min value
      double m_dMax;              //!< current max value
      double m_dStepping;         //!< current stepping
      QString m_qsID;             //!< current label text
  
    };
  } // namespace qt
}