#include <qwidget.h> #include <qwt_slider.h> class QLabel; class QLayout; class Slider: public QWidget { Q_OBJECT public: Slider(QWidget *parent, int sliderType); private Q_SLOTS: void setNum(double v); private: QwtSlider *createSlider(QWidget *, int sliderType) const; QwtSlider *d_slider; QLabel *d_label; }; class SliderDemo : public QWidget { public: SliderDemo(QWidget *p = NULL); };