#ifndef CHART_H #define CHART_H #include class QGestureEvent; QT_CHARTS_USE_NAMESPACE class Chart : public QChart { Q_OBJECT public: explicit Chart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0); ~Chart(); void wheelEvent(QGraphicsSceneWheelEvent *event); bool sceneEvent(QEvent *event); private: bool gestureEvent(QGestureEvent *event); public slots: void XRangeChanged(qreal min, qreal max); }; #endif // CHART_H