qt5base-lts/examples/widgets/mainwindows/mainwindow/mainwindow.h

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QTextEdit>

class ToolBar;
QT_FORWARD_DECLARE_CLASS(QMenu)
QT_FORWARD_DECLARE_CLASS(QSignalMapper)

class MainWindow : public QMainWindow
{
    Q_OBJECT

    QTextEdit *center;
    QList<ToolBar*> toolBars;
    QMenu *dockWidgetMenu;
    QMenu *mainWindowMenu;
    QSignalMapper *mapper;
    QList<QDockWidget*> extraDockWidgets;
    QAction *createDockWidgetAction;
    QMenu *destroyDockWidgetMenu;

public:
    MainWindow(const QMap<QString, QSize> &customSizeHints,
                QWidget *parent = 0, Qt::WindowFlags flags = 0);

protected:
    void showEvent(QShowEvent *event) Q_DECL_OVERRIDE;

public slots:
    void actionTriggered(QAction *action);
    void saveLayout();
    void loadLayout();
    void setCorner(int id);
    void switchLayoutDirection();
    void setDockOptions();

    void createDockWidget();
    void destroyDockWidget(QAction *action);

private:
    void setupToolBar();
    void setupMenuBar();
    void setupDockWidgets(const QMap<QString, QSize> &customSizeHints);
};


#endif