qt5base-lts/examples/widgets/tools/undoframework/mainwindow.h

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>

QT_BEGIN_NAMESPACE
class QAction;
class QToolBar;
class QMenu;
class QUndoStack;
class QUndoView;
QT_END_NAMESPACE
class DiagramScene;
class DiagramItem;

//! [0]
class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow();

public slots:
    void itemMoved(DiagramItem *movedDiagram, const QPointF &moveStartPosition);

private slots:
    void deleteItem();
    void addBox();
    void addTriangle();
    void about();
    void itemMenuAboutToShow();
    void itemMenuAboutToHide();

private:
    void createActions();
    void createMenus();
    void createUndoView();

    QAction *deleteAction;
    QAction *addBoxAction;
    QAction *addTriangleAction;
    QAction *undoAction;
    QAction *redoAction;
    QAction *exitAction;
    QAction *aboutAction;

    QMenu *fileMenu;
    QMenu *editMenu;
    QMenu *itemMenu;
    QMenu *helpMenu;

    DiagramScene *diagramScene;
    QUndoStack *undoStack;
    QUndoView *undoView;
};
//! [0]

#endif