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#ifndef QITEMSELECTIONMODEL_P_H

#define QITEMSELECTIONMODEL_P_H

//

//  W A R N I N G

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

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "private/qobject_p.h"

QT_BEGIN_NAMESPACE

#ifndef QT_NO_ITEMVIEWS

class QItemSelectionModelPrivate: public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QItemSelectionModel)

public:

    QItemSelectionModelPrivate()

      : model(0),

        currentCommand(QItemSelectionModel::NoUpdate),

        tableSelected(false), tableColCount(0), tableRowCount(0) {}

    QItemSelection expandSelection(const QItemSelection &selection,

                                   QItemSelectionModel::SelectionFlags command) const;

    void _q_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);

    void _q_columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);

    void _q_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);

    void _q_columnsAboutToBeInserted(const QModelIndex &parent, int start, int end);

    void _q_layoutAboutToBeChanged();

    void _q_layoutChanged();

    inline void remove(QList<QItemSelectionRange> &r)

    {

        QList<QItemSelectionRange>::const_iterator it = r.constBegin();

        for (; it != r.constEnd(); ++it)

            ranges.removeAll(*it);

    }

    inline void finalize()

    {

        ranges.merge(currentSelection, currentCommand);

        if (!currentSelection.isEmpty())  // ### perhaps this should be in QList

            currentSelection.clear();

    }

    QPointer<QAbstractItemModel> model;

    QItemSelection ranges;

    QItemSelection currentSelection;

    QPersistentModelIndex currentIndex;

    QItemSelectionModel::SelectionFlags currentCommand;

    QList<QPersistentModelIndex> savedPersistentIndexes;

    QList<QPersistentModelIndex> savedPersistentCurrentIndexes;

    // optimization when all indexes are selected

    bool tableSelected;

    QPersistentModelIndex tableParent;

    int tableColCount, tableRowCount;

};

#endif // QT_NO_ITEMVIEWS

QT_END_NAMESPACE

#endif // QITEMSELECTIONMODEL_P_H