QGraphicsSceneBspTree Class Reference

#include <qgraphicsscene_bsp_p.h>

Collaboration diagram for QGraphicsSceneBspTree:

Classes
struct	Node

Public Member Functions
	QGraphicsSceneBspTree ()
	~QGraphicsSceneBspTree ()
void	initialize (const QRectF &rect, int depth)
void	clear ()
void	insertItem (QGraphicsItem *item, const QRectF &rect)
void	removeItem (QGraphicsItem *item, const QRectF &rect)
void	removeItems (const QSet< QGraphicsItem * > &items)
QList< QGraphicsItem * >	items (const QRectF &rect, bool onlyTopLevelItems=false) const
int	leafCount () const
int	firstChildIndex (int index) const
int	parentIndex (int index) const
QString	debug (int index) const

Detailed Description

Definition at line 29 of file qgraphicsscene_bsp_p.h.

Constructor & Destructor Documentation

QGraphicsSceneBspTree()

QT_BEGIN_NAMESPACE QGraphicsSceneBspTree::QGraphicsSceneBspTree

(

)

Definition at line 12 of file qgraphicsscene_bsp.cpp.

~QGraphicsSceneBspTree()

QGraphicsSceneBspTree::~QGraphicsSceneBspTree

(

)

Definition at line 17 of file qgraphicsscene_bsp.cpp.

Member Function Documentation

clear()

void QGraphicsSceneBspTree::clear

(

)

Definition at line 33 of file qgraphicsscene_bsp.cpp.

References QList< T >::clear().

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debug()

QString QGraphicsSceneBspTree::debug

(

int

index

)

const

Definition at line 93 of file qgraphicsscene_bsp.cpp.

References QString::arg(), debug, firstChildIndex(), QString::fromLatin1(), QGraphicsSceneBspTree::Node::Horizontal, QList< T >::isEmpty(), QGraphicsSceneBspTree::Node::Leaf, QGraphicsSceneBspTree::Node::leafIndex, rect, QList< T >::size(), and QGraphicsSceneBspTree::Node::type.

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firstChildIndex()

int QGraphicsSceneBspTree::firstChildIndex ( int  index ) const

inline

Definition at line 55 of file qgraphicsscene_bsp_p.h.

Referenced by debug().

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initialize()

void QGraphicsSceneBspTree::initialize	(	const QRectF &	rect,
		int	depth
	)

Definition at line 21 of file qgraphicsscene_bsp.cpp.

References QList< T >::fill(), initialize(), rect, and QList< T >::resize().

Referenced by QGraphicsSceneBspTreeIndexPrivate::_q_updateIndex().

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insertItem()

void QGraphicsSceneBspTree::insertItem	(	QGraphicsItem *	item,
		const QRectF &	rect
	)

Definition at line 40 of file qgraphicsscene_bsp.cpp.

References item, items, QList< T >::prepend(), and rect.

Referenced by QGraphicsSceneBspTreeIndexPrivate::_q_updateIndex().

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items()

QList< QGraphicsItem * > QGraphicsSceneBspTree::items	(	const QRectF &	rect,
		bool	onlyTopLevelItems = false
	)		const

Definition at line 68 of file qgraphicsscene_bsp.cpp.

References QList< T >::at(), QGraphicsItem::d_ptr, i, item, items, QGraphicsItemPrivate::parent, QList< T >::prepend(), rect, QList< T >::size(), QGraphicsItem::topLevelItem(), and QGraphicsItemPrivate::visible.

Referenced by QGraphicsSceneBspTreeIndexPrivate::estimateItems().

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leafCount()

int QGraphicsSceneBspTree::leafCount

(

)

const

Definition at line 88 of file qgraphicsscene_bsp.cpp.

Referenced by QGraphicsSceneBspTreeIndexPrivate::_q_updateIndex().

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parentIndex()

int QGraphicsSceneBspTree::parentIndex ( int  index ) const

inline

Definition at line 58 of file qgraphicsscene_bsp_p.h.

removeItem()

void QGraphicsSceneBspTree::removeItem	(	QGraphicsItem *	item,
		const QRectF &	rect
	)

Definition at line 47 of file qgraphicsscene_bsp.cpp.

References item, items, rect, and QList< T >::removeAll().

Referenced by QGraphicsSceneBspTreeIndexPrivate::removeItem().

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removeItems()

void QGraphicsSceneBspTree::removeItems

(

const QSet< QGraphicsItem * > &

items

)

Definition at line 54 of file qgraphicsscene_bsp.cpp.

References QList< T >::at(), QListSpecialMethodsBase< T >::contains(), i, item, items, j, and QList< T >::size().

Referenced by QGraphicsSceneBspTreeIndexPrivate::purgeRemovedItems().

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The documentation for this class was generated from the following files:

• qtbase/src/widgets/graphicsview/qgraphicsscene_bsp_p.h
• qtbase/src/widgets/graphicsview/qgraphicsscene_bsp.cpp