// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #ifndef CHARTVIEW_H #define CHARTVIEW_H #include #include QT_USE_NAMESPACE class ChartView : public QChartView { public: ChartView(QWidget *parent = 0); protected: void keyPressEvent(QKeyEvent *event); private: void switchChartType(); }; #endif