Custom MainWindow class

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include "conf.h"

class DbManager;
class DragNDrop;
class MainMenuBar;

class MainWindow : public QMainWindow
{
    Q_OBJECT

    private:
        MainMenuBar * mainMenuBar;
        //DragNDrop * drag;
        DbManager * db;

    public:
        MainWindow(QWidget *parent = 0);
        ~MainWindow();

        void start();
        void main();

        DbManager * database();

    public slots:
        void newDatabase();
        void openDatabase();
        void makeDrag();

    protected:
        void dropEvent(QDropEvent *de);
        void dragMoveEvent(QDragMoveEvent *de);
        void dragEnterEvent(QDragEnterEvent *event);
};

#endif // MAINWINDOW_H