slidersgroup.h Example File
widgets/sliders/slidersgroup.h

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 #ifndef SLIDERSGROUP_H
 #define SLIDERSGROUP_H

 #include <QGroupBox>

 class QDial;
 class QScrollBar;
 class QSlider;

 class SlidersGroup : public QGroupBox
 {
     Q_OBJECT

 public:
     SlidersGroup(Qt::Orientation orientation, const QString &title,
                  QWidget *parent = 0);

 signals:
     void valueChanged(int value);

 public slots:
     void setValue(int value);
     void setMinimum(int value);
     void setMaximum(int value);
     void invertAppearance(bool invert);
     void invertKeyBindings(bool invert);

 private:
     QSlider *slider;
     QScrollBar *scrollBar;
     QDial *dial;
 };

 #endif