// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only /*! \class QGraphicsSceneLinearIndex \brief The QGraphicsSceneLinearIndex class provides an implementation of a linear indexing algorithm for discovering items in QGraphicsScene. \since 4.6 \ingroup graphicsview-api \internal QGraphicsSceneLinearIndex index is default linear implementation to discover items. It basically store all items in a list and return them to the scene. \sa QGraphicsScene, QGraphicsView, QGraphicsSceneIndex, QGraphicsSceneBspTreeIndex */ #include /*! \fn QGraphicsSceneLinearIndex::QGraphicsSceneLinearIndex(QGraphicsScene *scene = nullptr): Construct a linear index for the given \a scene. */ /*! \fn QList QGraphicsSceneLinearIndex::items(Qt::SortOrder order = Qt::DescendingOrder) const; Return all items in the index and sort them using \a order. */ /*! \fn virtual QList QGraphicsSceneLinearIndex::estimateItems(const QRectF &rect, Qt::SortOrder order) const Returns an estimation visible items that are either inside or intersect with the specified \a rect and return a list sorted using \a order. */ /*! \fn void QGraphicsSceneLinearIndex::clear() \internal Clear the all the BSP index. */ /*! \fn virtual void QGraphicsSceneLinearIndex::addItem(QGraphicsItem *item) Add the \a item into the index. */ /*! \fn virtual void QGraphicsSceneLinearIndex::removeItem(QGraphicsItem *item) Add the \a item from the index. */ #include "moc_qgraphicsscenelinearindex_p.cpp"