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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