qgsslider.h

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/***************************************************************************
                              qgsslider.h
                             -------------------
    begin                : July 2013
    copyright            : (C) 2013 by Daniel Vaz
    email                : danielvaz at gmail dot com
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSSLIDER_H
#define QGSSLIDER_H
 
#include "qgis_gui.h"
#include "qgis_sip.h"
 
#include <QSlider>
#include <QVariant>
 
class QPaintEvent;

class GUI_EXPORT QgsSlider : public QSlider
{
    Q_OBJECT
  public:
    QgsSlider( QWidget *parent SIP_TRANSFERTHIS = nullptr );

    QgsSlider( Qt::Orientation orientation, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    void setMinimum( const QVariant &min );

    QVariant minimum() const { return mMin; };

    void setMaximum( const QVariant &max );

    QVariant maximum() const { return mMax; };

    void setSingleStep( const QVariant &step );

    QVariant singleStep() const { return mStep; };
 
    void setValue( const QVariant &value );
    QVariant variantValue() const;
 
  signals:
    void valueChanged( const QVariant & );
 
  private slots:
    void onValueChanged( int );
 
  protected:
    void paintEvent( QPaintEvent *event ) override;
 
  private:
    void update();
 
    QVariant mMin, mMax, mStep, mValue;
};
 
#endif // QGSSLIDER_H