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****************************************************************************/

#ifndef QPROXYMODEL_P_H

#define QPROXYMODEL_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of QAbstractItemModel*.  This header file may change from version

// to version without notice, or even be removed.

//

// We mean it.

//

//

#include "QtCore/qabstractitemmodel.h"

#include "private/qabstractitemmodel_p.h"

#ifndef QT_NO_PROXYMODEL

QT_BEGIN_NAMESPACE

class QEmptyModel : public QAbstractItemModel

{

public:

    explicit QEmptyModel(QObject *parent = 0) : QAbstractItemModel(parent) {}

    QModelIndex index(int, int, const QModelIndex &) const { return QModelIndex(); }

    QModelIndex parent(const QModelIndex &) const { return QModelIndex(); }

    int rowCount(const QModelIndex &) const { return 0; }

    int columnCount(const QModelIndex &) const { return 0; }

    bool hasChildren(const QModelIndex &) const { return false; }

    QVariant data(const QModelIndex &, int) const { return QVariant(); }

};

class QProxyModelPrivate : private QAbstractItemModelPrivate

{

    Q_DECLARE_PUBLIC(QProxyModel)

public:

    void _q_sourceDataChanged(const QModelIndex &tl,const QModelIndex &br);

    void _q_sourceRowsAboutToBeInserted(const QModelIndex &parent, int first ,int last);

    void _q_sourceRowsInserted(const QModelIndex &parent, int first ,int last);

    void _q_sourceRowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);

    void _q_sourceRowsRemoved(const QModelIndex &parent, int first, int last);

    void _q_sourceColumnsAboutToBeInserted(const QModelIndex &parent, int first, int last);

    void _q_sourceColumnsInserted(const QModelIndex &parent, int first, int last);

    void _q_sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int first, int last);

    void _q_sourceColumnsRemoved(const QModelIndex &parent, int first, int last);

    QProxyModelPrivate() : QAbstractItemModelPrivate(), model(0) {}

    QAbstractItemModel *model;

    QEmptyModel empty;

};

QT_END_NAMESPACE

#endif // QT_NO_PROXYMODEL

#endif // QPROXYMODEL_P_H