/****************************************************************************
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#ifndef QGRAPHICSSCENEINDEX_H
#define QGRAPHICSSCENEINDEX_H

#include <QtCore/qnamespace.h>
#include <QtCore/qobject.h>
#include <QtGui/qtransform.h>
#include <QtGui/qgraphicsitem.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW

class QGraphicsSceneIndexPrivate;
class QGraphicsScene;
class QRectF;
class QPointF;
template<typename T> class QList;

class Q_GUI_EXPORT QGraphicsSceneIndex: public QObject
{
    Q_OBJECT

public:
    QGraphicsSceneIndex(QGraphicsScene *scene = 0);
    virtual ~QGraphicsSceneIndex();

    QGraphicsScene *scene() const;

    virtual QRectF indexedRect();

    virtual QList<QGraphicsItem *> items() const  = 0;
    virtual QList<QGraphicsItem *> items(const QPointF &pos, Qt::ItemSelectionMode mode, Qt::SortOrder order, const QTransform &deviceTransform = QTransform()) const;
    virtual QList<QGraphicsItem *> items(const QRectF &rect, Qt::ItemSelectionMode mode, Qt::SortOrder order, const QTransform &deviceTransform = QTransform()) const;
    virtual QList<QGraphicsItem *> items(const QPolygonF &polygon, Qt::ItemSelectionMode mode, Qt::SortOrder order, const QTransform &deviceTransform = QTransform()) const;
    virtual QList<QGraphicsItem *> items(const QPainterPath &path, Qt::ItemSelectionMode mode, Qt::SortOrder order, const QTransform &deviceTransform = QTransform()) const;
    virtual QList<QGraphicsItem *> estimateItems(const QPointF &point, Qt::SortOrder order, const QTransform &deviceTransform) const;
    virtual QList<QGraphicsItem *> estimateItems(const QRectF &rect, Qt::SortOrder order, const QTransform &deviceTransform) const = 0;

protected:
    virtual void clear();
    virtual void addItem(QGraphicsItem *item) = 0;
    virtual void removeItem(QGraphicsItem *item) = 0;
    virtual void deleteItem(QGraphicsItem *item);

    virtual void itemChanged(const QGraphicsItem *item, QGraphicsItem::GraphicsItemChange, const QVariant &value);
    virtual void prepareBoundingRectChange(const QGraphicsItem *item);
    virtual void sceneRectChanged(const QRectF &rect);

    friend class QGraphicsScene;
    friend class QGraphicsScenePrivate;
    friend class QGraphicsItem;
private:
    Q_DECLARE_PRIVATE(QGraphicsSceneIndex)
};

#endif // QT_NO_GRAPHICSVIEW

QT_END_NAMESPACE

QT_END_HEADER

#endif // QGRAPHICSSCENEINDEX_H