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39
40/*!
41 \class QGraphicsSceneLinearIndex
42 \brief The QGraphicsSceneLinearIndex class provides an implementation of
43 a linear indexing algorithm for discovering items in QGraphicsScene.
44 \since 4.6
45 \ingroup graphicsview-api
46 \internal
47
48 QGraphicsSceneLinearIndex index is default linear implementation to discover items.
49 It basically store all items in a list and return them to the scene.
50
51 \sa QGraphicsScene, QGraphicsView, QGraphicsSceneIndex, QGraphicsSceneBspTreeIndex
52*/
53
54#include <private/qgraphicsscenelinearindex_p.h>
55
56/*!
57 \fn QGraphicsSceneLinearIndex::QGraphicsSceneLinearIndex(QGraphicsScene *scene = 0):
58
59 Construct a linear index for the given \a scene.
60*/
61
62/*!
63 \fn QList<QGraphicsItem *> QGraphicsSceneLinearIndex::items(Qt::SortOrder order = Qt::DescendingOrder) const;
64
65 Return all items in the index and sort them using \a order.
66*/
67
68
69/*!
70 \fn virtual QList<QGraphicsItem *> QGraphicsSceneLinearIndex::estimateItems(const QRectF &rect, Qt::SortOrder order) const
71
72 Returns an estimation visible items that are either inside or
73 intersect with the specified \a rect and return a list sorted using \a order.
74*/
75
76/*!
77 \fn void QGraphicsSceneLinearIndex::clear()
78 \internal
79 Clear the all the BSP index.
80*/
81
82/*!
83 \fn virtual void QGraphicsSceneLinearIndex::addItem(QGraphicsItem *item)
84
85 Add the \a item into the index.
86*/
87
88/*!
89 \fn virtual void QGraphicsSceneLinearIndex::removeItem(QGraphicsItem *item)
90
91 Add the \a item from the index.
92*/
93
94#include "moc_qgraphicsscenelinearindex_p.cpp"
95

source code of qtbase/src/widgets/graphicsview/qgraphicsscenelinearindex.cpp