/**************************************************************************** ** ** Copyright (C) 2021 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:COMM$ ** ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** $QT_END_LICENSE$ ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ****************************************************************************/ /*! \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 = 0): 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"