#ifndef WIDGET_H #define WIDGET_H #include #include #include #include QTCOMMERCIALCHART_USE_NAMESPACE class QListWidget; class QRadioButton; class Widget : public QWidget { Q_OBJECT public: Widget(QWidget *parent = 0); ~Widget(); public slots: void refreshChart(); void printChart(); private: QChartView* chartArea; QListWidget* countrieslist; QListWidget* yearslist; QSqlDatabase db; QBarSeries* series0; QRadioButton* barChartRadioButton; QRadioButton* scatterChartRadioButton; }; #endif // WIDGET_H