// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #ifndef MAINWINDOW_H #define MAINWINDOW_H #include class QGridLayout; class MainWindow : public QMainWindow { Q_OBJECT public: MainWindow(QWidget *parent = nullptr); ~MainWindow(); private slots: void layoutIndexChanged(int index); private: QGridLayout *m_mainLayout; }; #endif // MAINWINDOW_H