#include <qgraphicsitem_p.h>

Inheritance diagram for QGraphicsItemPrivate:

Collaboration diagram for QGraphicsItemPrivate:

Classes
struct	ExtraStruct

struct	TransformData

Public Types
enum	Extra { ExtraToolTip , ExtraCursor , ExtraCacheData , ExtraMaxDeviceCoordCacheSize , ExtraBoundingRegionGranularity }

enum	AncestorFlag { NoFlag = 0 , AncestorHandlesChildEvents = 0x1 , AncestorClipsChildren = 0x2 , AncestorIgnoresTransformations = 0x4 , AncestorFiltersChildEvents = 0x8 , AncestorContainsChildren = 0x10 }

Public Member Functions
	QGraphicsItemPrivate ()

virtual	~QGraphicsItemPrivate ()

void	updateChildWithGraphicsEffectFlagRecursively ()
	Returns a pointer to this item's effect if it has one; otherwise \nullptr.

void	updateAncestorFlag (QGraphicsItem::GraphicsItemFlag childFlag, AncestorFlag flag=NoFlag, bool enabled=false, bool root=true)

void	updateAncestorFlags ()

void	setIsMemberOfGroup (bool enabled)

void	remapItemPos (QEvent event, QGraphicsItem item)

QTransform	genericMapFromSceneTransform (const QWidget *viewport=nullptr) const

QPointF	genericMapFromScene (const QPointF &pos, const QWidget *viewport) const

bool	itemIsUntransformable () const

void	combineTransformToParent (QTransform x, const QTransform viewTransform=nullptr) const

void	combineTransformFromParent (QTransform x, const QTransform viewTransform=nullptr) const

virtual void	updateSceneTransformFromParent ()

virtual void	setPosHelper (const QPointF &pos)

void	setTransformHelper (const QTransform &transform)

void	prependGraphicsTransform (QGraphicsTransform *t)

void	appendGraphicsTransform (QGraphicsTransform *t)

void	setVisibleHelper (bool newVisible, bool explicitly, bool update=true, bool hiddenByPanel=false)

void	setEnabledHelper (bool newEnabled, bool explicitly, bool update=true)

bool	discardUpdateRequest (bool ignoreVisibleBit=false, bool ignoreDirtyBit=false, bool ignoreOpacity=false) const

virtual void	transformChanged ()

int	depth () const

void	invalidateDepthRecursively ()

void	resolveDepth ()

void	addChild (QGraphicsItem *child)

void	removeChild (QGraphicsItem *child)

void	setParentItemHelper (QGraphicsItem parent, const QVariant newParentVariant, const QVariant *thisPointerVariant)

void	childrenBoundingRectHelper (QTransform x, QRectF rect, QGraphicsItem *topMostEffectItem)

void	initStyleOption (QStyleOptionGraphicsItem *option, const QTransform &worldTransform, const QRegion &exposedRegion, bool allItems=false) const

QRectF	effectiveBoundingRect (QGraphicsItem *topMostEffectItem=nullptr) const

QRectF	sceneEffectiveBoundingRect () const

QRectF	effectiveBoundingRect (const QRectF &rect) const

virtual void	resolveFont (uint inheritedMask)

virtual void	resolvePalette (uint inheritedMask)

virtual bool	isProxyWidget () const

QVariant	extra (Extra type) const

void	setExtra (Extra type, const QVariant &value)

void	unsetExtra (Extra type)

QGraphicsItemCache *	maybeExtraItemCache () const

QGraphicsItemCache *	extraItemCache () const

void	removeExtraItemCache ()

void	updatePaintedViewBoundingRects (bool updateChildren)

void	ensureSceneTransformRecursive (QGraphicsItem **topMostDirtyItem)

void	ensureSceneTransform ()

bool	hasTranslateOnlySceneTransform ()

void	invalidateChildrenSceneTransform ()

qreal	calcEffectiveOpacity () const

bool	isOpacityNull () const

bool	isFullyTransparent () const

qreal	effectiveOpacity () const

qreal	combineOpacityFromParent (qreal parentOpacity) const

bool	childrenCombineOpacity () const

bool	childrenClippedToShape () const

bool	isInvisible () const

void	markParentDirty (bool updateBoundingRect=false)

void	setFocusHelper (Qt::FocusReason focusReason, bool climb, bool focusFromHide)

void	clearFocusHelper (bool giveFocusToParent, bool hiddenByParentPanel)

void	setSubFocus (QGraphicsItem rootItem=nullptr, QGraphicsItem stopItem=nullptr)

void	clearSubFocus (QGraphicsItem rootItem=nullptr, QGraphicsItem stopItem=nullptr)

void	resetFocusProxy ()

virtual void	subFocusItemChange ()

virtual void	focusScopeItemChange (bool isSubFocusItem)

QTransform	transformToParent () const

void	ensureSortedChildren ()

void	ensureSequentialSiblingIndex ()

void	sendScenePosChange ()

virtual void	siblingOrderChange ()

virtual qreal	width () const

virtual void	setWidth (qreal)

virtual void	resetWidth ()

virtual qreal	height () const

virtual void	setHeight (qreal)

virtual void	resetHeight ()

Static Public Member Functions
static const QGraphicsItemPrivate *	get (const QGraphicsItem *item)

static QGraphicsItemPrivate *	get (QGraphicsItem *item)

static bool	movableAncestorIsSelected (const QGraphicsItem *item)

static bool	isOpacityNull (qreal opacity)

static bool	insertionOrder (QGraphicsItem a, QGraphicsItem b)

Public Attributes
QList< ExtraStruct >	extras

QRectF	childrenBoundingRect

QRectF	needsRepaint

QHash< QWidget *, QRect >	paintedViewBoundingRects

QPointF	pos

qreal	z

qreal	opacity

QGraphicsScene *	scene

QGraphicsItem *	parent

QList< QGraphicsItem * >	children

TransformData *	transformData

QGraphicsEffect *	graphicsEffect

QTransform	sceneTransform

int	index

int	siblingIndex

int	itemDepth

QGraphicsItem *	focusProxy

QList< QGraphicsItem ** >	focusProxyRefs

QGraphicsItem *	subFocusItem

QGraphicsItem *	focusScopeItem

Qt::InputMethodHints	imHints

QGraphicsItem::PanelModality	panelModality

QMap< Qt::GestureType, Qt::GestureFlags >	gestureContext

quint32	acceptedMouseButtons: 5

quint32	visible: 1

quint32	explicitlyHidden: 1

quint32	enabled: 1

quint32	explicitlyDisabled: 1

quint32	selected: 1

quint32	acceptsHover: 1

quint32	acceptDrops: 1

quint32	isMemberOfGroup: 1

quint32	handlesChildEvents: 1

quint32	itemDiscovered: 1

quint32	hasCursor: 1

quint32	ancestorFlags: 5

quint32	cacheMode: 2

quint32	hasBoundingRegionGranularity: 1

quint32	isWidget: 1

quint32	dirty: 1

quint32	dirtyChildren: 1

quint32	localCollisionHack: 1

quint32	inSetPosHelper: 1

quint32	needSortChildren: 1

quint32	allChildrenDirty: 1

quint32	fullUpdatePending: 1

quint32	flags: 20

quint32	paintedViewBoundingRectsNeedRepaint: 1

quint32	dirtySceneTransform: 1

quint32	geometryChanged: 1

quint32	inDestructor: 1

quint32	isObject: 1

quint32	ignoreVisible: 1

quint32	ignoreOpacity: 1

quint32	acceptTouchEvents: 1

quint32	acceptedTouchBeginEvent: 1

quint32	filtersDescendantEvents: 1

quint32	sceneTransformTranslateOnly: 1

quint32	notifyBoundingRectChanged: 1

quint32	notifyInvalidated: 1

quint32	mouseSetsFocus: 1

quint32	explicitActivate: 1

quint32	wantsActive: 1

quint32	holesInSiblingIndex: 1

quint32	sequentialOrdering: 1

quint32	updateDueToGraphicsEffect: 1

quint32	scenePosDescendants: 1

quint32	pendingPolish: 1

quint32	mayHaveChildWithGraphicsEffect: 1

quint32	sendParentChangeNotification: 1

quint32	dirtyChildrenBoundingRect: 1

quint32	padding: 20

int	globalStackingOrder

QGraphicsItem *	q_ptr

Detailed Description

Definition at line 61 of file qgraphicsitem_p.h.

Member Enumeration Documentation

◆ AncestorFlag

enum QGraphicsItemPrivate::AncestorFlag

Enumerator
NoFlag
AncestorHandlesChildEvents
AncestorClipsChildren
AncestorIgnoresTransformations
AncestorFiltersChildEvents
AncestorContainsChildren

Definition at line 73 of file qgraphicsitem_p.h.

◆ Extra

enum QGraphicsItemPrivate::Extra

Enumerator
ExtraToolTip
ExtraCursor
ExtraCacheData
ExtraMaxDeviceCoordCacheSize
ExtraBoundingRegionGranularity

Definition at line 65 of file qgraphicsitem_p.h.

Constructor & Destructor Documentation

◆ QGraphicsItemPrivate()

QGraphicsItemPrivate::QGraphicsItemPrivate ( )

Definition at line 846 of file qgraphicsitem.cpp.

◆ ~QGraphicsItemPrivate()

QGraphicsItemPrivate::~QGraphicsItemPrivate ( )

virtual

Definition at line 917 of file qgraphicsitem.cpp.

Member Function Documentation

◆ addChild()

void QGraphicsItemPrivate::addChild ( QGraphicsItem * child )

This function is almost identical to

QGraphicsScenePrivate::registerTopLevelItem().

Definition at line 5403 of file qgraphicsitem.cpp.

References QList< T >::append(), child, children, emit, ensureSequentialSiblingIndex(), isObject, needSortChildren, q_ptr, and QList< T >::size().

Referenced by setParentItemHelper().

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◆ appendGraphicsTransform()

void QGraphicsItemPrivate::appendGraphicsTransform ( QGraphicsTransform * t )

Definition at line 4161 of file qgraphicsitem.cpp.

References QList< T >::append(), QListSpecialMethodsBase< T >::contains(), dirtySceneTransform, QGraphicsItemPrivate::TransformData::graphicsTransforms, QGraphicsItemPrivate::TransformData::onlyTransform, transformChanged(), and transformData.

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◆ calcEffectiveOpacity()

qreal QGraphicsItemPrivate::calcEffectiveOpacity ( ) const

inline

Definition at line 236 of file qgraphicsitem_p.h.

References QGraphicsItem::d_ptr, flags, QGraphicsItem::ItemDoesntPropagateOpacityToChildren, QGraphicsItem::ItemIgnoresParentOpacity, and o.

◆ childrenBoundingRectHelper()

void QGraphicsItemPrivate::childrenBoundingRectHelper	(	QTransform *	x,
		QRectF *	rect,
		QGraphicsItem *	topMostEffectItem )

Returns the bounding rect of this item's children (excluding itself).

Definition at line 1386 of file qgraphicsitem.cpp.

References QList< T >::at(), child, children, i, QGraphicsItem::ItemClipsChildrenToShape, QTransform::mapRect(), rect, and QList< T >::size().

Referenced by QGraphicsItem::childrenBoundingRect().

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◆ childrenClippedToShape()

bool QGraphicsItemPrivate::childrenClippedToShape ( ) const

inline

Definition at line 305 of file qgraphicsitem_p.h.

References QGraphicsItem::ItemClipsChildrenToShape.

◆ childrenCombineOpacity()

bool QGraphicsItemPrivate::childrenCombineOpacity ( ) const

inline

Definition at line 291 of file qgraphicsitem_p.h.

References i, QGraphicsItem::ItemDoesntPropagateOpacityToChildren, and QGraphicsItem::ItemIgnoresParentOpacity.

Referenced by discardUpdateRequest(), QGraphicsScenePrivate::drawSubtreeRecursive(), QGraphicsScenePrivate::processDirtyItemsRecursive(), and QGraphicsSceneIndexPrivate::recursive_items_helper().

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◆ clearFocusHelper()

void QGraphicsItemPrivate::clearFocusHelper	(	bool	giveFocusToParent,
		bool	hiddenByParentPanel )

Definition at line 3472 of file qgraphicsitem.cpp.

References clearSubFocus(), QGraphicsItem::d_ptr, focusScopeItem, focusScopeItemChange(), QGraphicsItem::hasFocus(), inDestructor, QGraphicsItem::ItemIsFocusScope, Qt::OtherFocusReason, parent, q_ptr, scene, QGraphicsScene::setFocusItem(), and subFocusItem.

Referenced by QGraphicsItem::clearFocus(), and setVisibleHelper().

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◆ clearSubFocus()

void QGraphicsItemPrivate::clearSubFocus	(	QGraphicsItem *	rootItem = nullptr,
		QGraphicsItem *	stopItem = nullptr )

Definition at line 5557 of file qgraphicsitem.cpp.

References QGraphicsItem::d_ptr, QGraphicsItem::isAncestorOf(), QGraphicsItem::isPanel(), parent, q_ptr, rootItem(), subFocusItem, and subFocusItemChange().

Referenced by clearFocusHelper(), QGraphicsScenePrivate::removeItemHelper(), setFocusHelper(), setParentItemHelper(), and setSubFocus().

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◆ combineOpacityFromParent()

qreal QGraphicsItemPrivate::combineOpacityFromParent ( qreal parentOpacity ) const

inline

Definition at line 282 of file qgraphicsitem_p.h.

References QGraphicsItem::ItemDoesntPropagateOpacityToChildren, and QGraphicsItem::ItemIgnoresParentOpacity.

Referenced by QGraphicsScenePrivate::drawSubtreeRecursive(), QGraphicsScenePrivate::processDirtyItemsRecursive(), and QGraphicsSceneIndexPrivate::recursive_items_helper().

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◆ combineTransformFromParent()

void QGraphicsItemPrivate::combineTransformFromParent	(	QTransform *	x,
		const QTransform *	viewTransform = nullptr ) const

Combines this item's position and transform onto transform.

If you need to change this function (e.g., adding more transformation modes / options), make sure to change QGraphicsItem::deviceTransform() as well.

Definition at line 1146 of file qgraphicsitem.cpp.

References QGraphicsItemPrivate::TransformData::computedFullTransform(), QGraphicsItem::deviceTransform(), itemIsUntransformable(), pos, q_ptr, transformData, QTransform::translate(), QPointF::x(), and QPointF::y().

Referenced by QGraphicsItem::deviceTransform(), and QGraphicsItem::itemTransform().

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◆ combineTransformToParent()

void QGraphicsItemPrivate::combineTransformToParent	(	QTransform *	x,
		const QTransform *	viewTransform = nullptr ) const

Combines this item's position and transform onto transform.

If you need to change this function (e.g., adding more transformation modes / options), make sure to change all places marked with COMBINE.

Definition at line 1124 of file qgraphicsitem.cpp.

References QGraphicsItemPrivate::TransformData::computedFullTransform(), QGraphicsItem::deviceTransform(), QTransform::fromTranslate(), QPointF::isNull(), itemIsUntransformable(), pos, q_ptr, transformData, QPointF::x(), and QPointF::y().

Referenced by transformToParent().

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◆ depth()

int QGraphicsItemPrivate::depth ( ) const

Definition at line 5324 of file qgraphicsitem.cpp.

References itemDepth, and resolveDepth().

Referenced by QGraphicsItem::commonAncestorItem(), and QGraphicsItem::isAncestorOf().

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◆ discardUpdateRequest()

bool QGraphicsItemPrivate::discardUpdateRequest	(	bool	ignoreVisibleBit = false,
		bool	ignoreDirtyBit = false,
		bool	ignoreOpacity = false ) const

Returns true if we can discard an update request; otherwise false.

Definition at line 5310 of file qgraphicsitem.cpp.

References childrenCombineOpacity(), fullUpdatePending, ignoreOpacity, ignoreVisible, isFullyTransparent(), scene, and visible.

Referenced by QGraphicsScenePrivate::markDirty().

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◆ effectiveBoundingRect() [1/2]

QRectF QGraphicsItemPrivate::effectiveBoundingRect ( const QRectF & rect ) const

Since: 4.6 Returns the effective bounding rect of the given item space rect. If the item has no effect, the rect is returned unmodified. If the item has an effect, the effective rect can be extend beyond the item's bounding rect, depending on the effect.

See also: boundingRect()

Definition at line 2946 of file qgraphicsitem.cpp.

References QGraphicsEffect::boundingRectFor(), deviceRect, effect, graphicsEffect, QList< T >::isEmpty(), QGraphicsEffect::isEnabled(), rect, scene, view, and QGraphicsScene::views().

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◆ effectiveBoundingRect() [2/2]

QRectF QGraphicsItemPrivate::effectiveBoundingRect ( QGraphicsItem * topMostEffectItem = nullptr ) const

Since: 4.6 Returns the effective bounding rect of the item. If the item has no effect, this is the same as the item's bounding rect. If the item has an effect, the effective rect can be larger than the item's bounding rect, depending on the effect.

See also: boundingRect()

Definition at line 2978 of file qgraphicsitem.cpp.

References AncestorClipsChildren, AncestorContainsChildren, ancestorFlags, QGraphicsItem::boundingRect(), QObject::d_ptr, effect, effectiveBoundingRect(), QGraphicsEffect::isEnabled(), parent, q_ptr, Q_UNUSED, and scene.

Referenced by effectiveBoundingRect(), and sceneEffectiveBoundingRect().

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◆ effectiveOpacity()

qreal QGraphicsItemPrivate::effectiveOpacity ( ) const

inline

Definition at line 275 of file qgraphicsitem_p.h.

Referenced by QGraphicsItem::effectiveOpacity().

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◆ ensureSceneTransform()

void QGraphicsItemPrivate::ensureSceneTransform ( )

inline

Definition at line 218 of file qgraphicsitem_p.h.

Referenced by QGraphicsItem::deviceTransform(), QGraphicsItem::itemTransform(), and QGraphicsItem::sceneTransform().

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◆ ensureSceneTransformRecursive()

void QGraphicsItemPrivate::ensureSceneTransformRecursive ( QGraphicsItem ** topMostDirtyItem )

Definition at line 5497 of file qgraphicsitem.cpp.

References QGraphicsItem::d_ptr, dirtySceneTransform, ensureSceneTransformRecursive(), invalidateChildrenSceneTransform(), parent, Q_ASSERT, q_ptr, and updateSceneTransformFromParent().

Referenced by ensureSceneTransformRecursive().

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◆ ensureSequentialSiblingIndex()

void QGraphicsItemPrivate::ensureSequentialSiblingIndex ( )

Ensures that the list of children is sorted by insertion order, and that the siblingIndexes are packed (no gaps), and start at 0.

This function is almost identical to

QGraphicsScenePrivate::ensureSequentialTopLevelSiblingIndexes().

Definition at line 4605 of file qgraphicsitem.cpp.

References QList< T >::begin(), children, QList< T >::end(), holesInSiblingIndex, i, insertionOrder(), needSortChildren, sequentialOrdering, and QList< T >::size().

Referenced by addChild(), and QGraphicsItem::stackBefore().

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◆ ensureSortedChildren()

void QGraphicsItemPrivate::ensureSortedChildren ( )

inline

Definition at line 655 of file qgraphicsitem_p.h.

References QList< T >::at(), QList< T >::begin(), children, QGraphicsItem::d_ptr, QList< T >::end(), i, QList< T >::isEmpty(), needSortChildren, qt_notclosestLeaf(), sequentialOrdering, siblingIndex, and QList< T >::size().

Referenced by QGraphicsScene::addItem(), QGraphicsItem::childItems(), QGraphicsScenePrivate::draw(), and QGraphicsSceneIndexPrivate::recursive_items_helper().

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◆ extra()

QVariant QGraphicsItemPrivate::extra ( Extra type ) const

inline

Definition at line 160 of file qgraphicsitem_p.h.

References i, QGraphicsItemPrivate::ExtraStruct::type, and QGraphicsItemPrivate::ExtraStruct::value.

Referenced by QGraphicsProxyWidgetPrivate::_q_removeWidgetSlot(), QGraphicsItem::boundingRegionGranularity(), QGraphicsItem::cursor(), QGraphicsProxyWidgetPrivate::embedSubWindow(), extraItemCache(), QGraphicsSvgItem::maximumCacheSize(), maybeExtraItemCache(), removeExtraItemCache(), setVisibleHelper(), and QGraphicsProxyWidgetPrivate::setWidget_helper().

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◆ extraItemCache()

QGraphicsItemCache * QGraphicsItemPrivate::extraItemCache ( ) const

Definition at line 5450 of file qgraphicsitem.cpp.

References extra(), and ExtraCacheData.

Referenced by QGraphicsItem::setCacheMode(), and QGraphicsItem::update().

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◆ focusScopeItemChange()

void QGraphicsItemPrivate::focusScopeItemChange ( bool isSubFocusItem )

virtual

Subclasses can reimplement this function to be notified when an item becomes a focusScopeItem (or is no longer a focusScopeItem).

Definition at line 5599 of file qgraphicsitem.cpp.

References Q_UNUSED.

Referenced by clearFocusHelper(), setFocusHelper(), and setParentItemHelper().

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◆ genericMapFromScene()

QPointF QGraphicsItemPrivate::genericMapFromScene	(	const QPointF &	pos,
		const QWidget *	viewport ) const

Definition at line 1110 of file qgraphicsitem.cpp.

References genericMapFromSceneTransform(), QTransform::map(), pos, and viewport().

Referenced by QGraphicsScene::contextMenuEvent(), QGraphicsScenePrivate::sendDragDropEvent(), QGraphicsScenePrivate::storeMouseButtonsForMouseGrabber(), and QGraphicsScene::wheelEvent().

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◆ genericMapFromSceneTransform()

QTransform QGraphicsItemPrivate::genericMapFromSceneTransform ( const QWidget * viewport = nullptr ) const

Maps the point pos from scene to item coordinates. If view is passed and the item is untransformable, this function will correctly map pos from the scene using the view's transformation.

Definition at line 1095 of file qgraphicsitem.cpp.

References QTransform::inverted(), itemIsUntransformable(), sceneTransform, view, and viewport().

Referenced by genericMapFromScene(), QGraphicsScenePrivate::sendHoverEvent(), QGraphicsScenePrivate::sendMouseEvent(), and QGraphicsScenePrivate::updateTouchPointsForItem().

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◆ get() [1/2]

static const QGraphicsItemPrivate * QGraphicsItemPrivate::get ( const QGraphicsItem * item )

inlinestatic

Definition at line 85 of file qgraphicsitem_p.h.

References QGraphicsItem::d_ptr, QScopedPointer< T, Cleanup >::data(), and item.

Referenced by adjustedItemEffectiveBoundingRect(), QtPrivate::intersect_path(), QtPrivate::intersect_point(), QtPrivate::intersect_rect(), and QGraphicsLayoutItem::isEmpty().

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◆ get() [2/2]

static QGraphicsItemPrivate * QGraphicsItemPrivate::get ( QGraphicsItem * item )

inlinestatic

Definition at line 89 of file qgraphicsitem_p.h.

References QGraphicsItem::d_ptr, QScopedPointer< T, Cleanup >::data(), and item.

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◆ hasTranslateOnlySceneTransform()

bool QGraphicsItemPrivate::hasTranslateOnlySceneTransform ( )

inline

Definition at line 224 of file qgraphicsitem_p.h.

Referenced by QGraphicsView::fitInView(), QGraphicsItem::mapFromScene(), QGraphicsItem::mapFromScene(), QGraphicsItem::mapFromScene(), QGraphicsItem::mapFromScene(), QGraphicsItem::mapRectFromScene(), QGraphicsItem::mapRectToScene(), QGraphicsItem::mapToScene(), QGraphicsItem::mapToScene(), QGraphicsItem::mapToScene(), QGraphicsItem::mapToScene(), QGraphicsItem::prepareGeometryChange(), and QGraphicsItem::sceneBoundingRect().

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◆ height()

qreal QGraphicsItemPrivate::height ( ) const

virtual

Returns the height of the item Reimplemented by QGraphicsWidget

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 7686 of file qgraphicsitem.cpp.

◆ initStyleOption()

void QGraphicsItemPrivate::initStyleOption	(	QStyleOptionGraphicsItem *	option,
		const QTransform &	worldTransform,
		const QRegion &	exposedRegion,
		bool	allItems = false ) const

Definition at line 1429 of file qgraphicsitem.cpp.

References QTransform::inverted(), QGraphicsItem::ItemUsesExtendedStyleOption, QTransform::mapRect(), QGraphicsScene::mouseGrabberItem(), Q_ASSERT, q_ptr, scene, selected, QStyle::State_Enabled, QStyle::State_HasFocus, QStyle::State_MouseOver, QStyle::State_None, QStyle::State_Selected, QStyle::State_Sunken, QGraphicsItem::toGraphicsObject(), and QRectF::toRect().

Referenced by QGraphicsScenePrivate::draw(), and QGraphicsView::paintEvent().

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◆ insertionOrder()

bool QGraphicsItemPrivate::insertionOrder	(	QGraphicsItem *	a,
		QGraphicsItem *	b )

inlinestatic

Definition at line 675 of file qgraphicsitem_p.h.

Referenced by ensureSequentialSiblingIndex(), and QGraphicsScenePrivate::ensureSequentialTopLevelSiblingIndexes().

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◆ invalidateChildrenSceneTransform()

void QGraphicsItemPrivate::invalidateChildrenSceneTransform ( )

inline

Definition at line 230 of file qgraphicsitem_p.h.

References i.

Referenced by QGraphicsScenePrivate::drawSubtreeRecursive(), ensureSceneTransformRecursive(), QGraphicsScenePrivate::processDirtyItemsRecursive(), and QGraphicsSceneIndexPrivate::recursive_items_helper().

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◆ invalidateDepthRecursively()

void QGraphicsItemPrivate::invalidateDepthRecursively ( )

Definition at line 5371 of file qgraphicsitem.cpp.

References QList< T >::at(), children, QGraphicsItem::d_ptr, i, invalidateDepthRecursively(), itemDepth, and QList< T >::size().

Referenced by invalidateDepthRecursively(), and setParentItemHelper().

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◆ isFullyTransparent()

bool QGraphicsItemPrivate::isFullyTransparent ( ) const

inline

Definition at line 265 of file qgraphicsitem_p.h.

Referenced by discardUpdateRequest().

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◆ isInvisible()

bool QGraphicsItemPrivate::isInvisible ( ) const

inline

Definition at line 308 of file qgraphicsitem_p.h.

◆ isOpacityNull() [1/2]

bool QGraphicsItemPrivate::isOpacityNull ( ) const

inline

Definition at line 259 of file qgraphicsitem_p.h.

Referenced by QGraphicsScenePrivate::draw(), QGraphicsScenePrivate::drawSubtreeRecursive(), QGraphicsScenePrivate::processDirtyItemsRecursive(), QGraphicsSceneIndexPrivate::recursive_items_helper(), and QGraphicsItem::setOpacity().

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◆ isOpacityNull() [2/2]

static bool QGraphicsItemPrivate::isOpacityNull ( qreal opacity )

inlinestatic

Definition at line 262 of file qgraphicsitem_p.h.

◆ isProxyWidget()

bool QGraphicsItemPrivate::isProxyWidget ( ) const

virtual

Tells us if it is a proxy widget

Reimplemented in QGraphicsProxyWidgetPrivate.

Definition at line 5619 of file qgraphicsitem.cpp.

Referenced by QGraphicsViewPrivate::updateInputMethodSensitivity().

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◆ itemIsUntransformable()

bool QGraphicsItemPrivate::itemIsUntransformable ( ) const

inline

Definition at line 102 of file qgraphicsitem_p.h.

References QGraphicsItem::ItemIgnoresTransformations.

Referenced by QGraphicsSceneBspTreeIndexPrivate::_q_updateIndex(), combineTransformFromParent(), combineTransformToParent(), QGraphicsItem::deviceTransform(), QGraphicsScenePrivate::drawSubtreeRecursive(), genericMapFromSceneTransform(), QGraphicsSceneBspTreeIndex::itemChange(), QGraphicsViewPrivate::mapToViewRect(), QGraphicsSceneBspTreeIndex::prepareBoundingRectChange(), QGraphicsScenePrivate::processDirtyItemsRecursive(), QGraphicsSceneIndexPrivate::recursive_items_helper(), QGraphicsSceneBspTreeIndexPrivate::removeItem(), and QGraphicsViewPrivate::setUpdateClip().

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◆ markParentDirty()

void QGraphicsItemPrivate::markParentDirty ( bool updateBoundingRect = false )

inline

Definition at line 683 of file qgraphicsitem_p.h.

References notifyInvalidated.

Referenced by QGraphicsScenePrivate::markDirty(), QGraphicsItem::prepareGeometryChange(), QGraphicsItem::setFlags(), and setParentItemHelper().

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◆ maybeExtraItemCache()

QGraphicsItemCache * QGraphicsItemPrivate::maybeExtraItemCache ( ) const

Definition at line 5442 of file qgraphicsitem.cpp.

References extra(), and ExtraCacheData.

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◆ movableAncestorIsSelected()

bool QGraphicsItemPrivate::movableAncestorIsSelected ( const QGraphicsItem * item )

static

Definition at line 7048 of file qgraphicsitem.cpp.

References _qt_movableAncestorIsSelected(), QGraphicsItem::d_ptr, QGraphicsItem::flags(), QGraphicsItem::isSelected(), item, QGraphicsItem::ItemIsMovable, and parent.

Referenced by QGraphicsItem::mouseMoveEvent().

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◆ prependGraphicsTransform()

void QGraphicsItemPrivate::prependGraphicsTransform ( QGraphicsTransform * t )

Definition at line 4144 of file qgraphicsitem.cpp.

References QListSpecialMethodsBase< T >::contains(), dirtySceneTransform, QGraphicsItemPrivate::TransformData::graphicsTransforms, QGraphicsItemPrivate::TransformData::onlyTransform, QList< T >::prepend(), transformChanged(), and transformData.

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◆ remapItemPos()

void QGraphicsItemPrivate::remapItemPos	(	QEvent *	event,
		QGraphicsItem *	item )

Maps any item pos properties of event to item's coordinate system.

Definition at line 1048 of file qgraphicsitem.cpp.

References button, QGraphicsSceneMouseEvent::buttonDownPos(), QGraphicsSceneMouseEvent::buttons(), QEvent::GraphicsSceneContextMenu, QEvent::GraphicsSceneHoverMove, QEvent::GraphicsSceneMouseDoubleClick, QEvent::GraphicsSceneMouseMove, QEvent::GraphicsSceneMousePress, QEvent::GraphicsSceneMouseRelease, QEvent::GraphicsSceneWheel, i, item, QGraphicsItem::mapFromItem(), QGraphicsSceneMouseEvent::pos(), QGraphicsSceneWheelEvent::pos(), QGraphicsSceneHoverEvent::pos(), QGraphicsSceneMouseEvent::setButtonDownPos(), QGraphicsSceneMouseEvent::setLastPos(), QGraphicsSceneMouseEvent::setPos(), QGraphicsSceneWheelEvent::setPos(), QGraphicsSceneContextMenuEvent::setPos(), and QGraphicsSceneHoverEvent::setPos().

Referenced by QGraphicsItem::sceneEvent().

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◆ removeChild()

void QGraphicsItemPrivate::removeChild ( QGraphicsItem * child )

This function is almost identical to

QGraphicsScenePrivate::unregisterTopLevelItem().

Definition at line 5421 of file qgraphicsitem.cpp.

References child, children, emit, holesInSiblingIndex, isObject, q_ptr, QList< T >::removeAt(), QList< T >::removeOne(), sequentialOrdering, and QList< T >::size().

Referenced by setParentItemHelper().

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◆ removeExtraItemCache()

void QGraphicsItemPrivate::removeExtraItemCache ( )

Definition at line 5464 of file qgraphicsitem.cpp.

References extra(), ExtraCacheData, QGraphicsItemCache::purge(), and unsetExtra().

Referenced by QGraphicsItem::~QGraphicsItem(), and QGraphicsItem::setCacheMode().

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◆ resetFocusProxy()

void QGraphicsItemPrivate::resetFocusProxy ( )

Sets the focusProxy pointer to \nullptr for all items that have this item as their focusProxy.

Definition at line 5576 of file qgraphicsitem.cpp.

References QList< T >::at(), QList< T >::clear(), focusProxyRefs, i, and QList< T >::size().

Referenced by QGraphicsItem::~QGraphicsItem(), and QGraphicsScenePrivate::removeItemHelper().

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◆ resetHeight()

void QGraphicsItemPrivate::resetHeight ( )

virtual

Reset the height of the item Reimplemented by QGraphicsWidget

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 7706 of file qgraphicsitem.cpp.

◆ resetWidth()

void QGraphicsItemPrivate::resetWidth ( )

virtual

Reset the width of the item Reimplemented by QGraphicsWidget

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 7677 of file qgraphicsitem.cpp.

◆ resolveDepth()

void QGraphicsItemPrivate::resolveDepth ( )

Resolves the stacking depth of this object and all its ancestors.

Definition at line 5386 of file qgraphicsitem.cpp.

References QGraphicsItem::d_ptr, itemDepth, parent, and resolveDepth().

Referenced by depth(), and resolveDepth().

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◆ resolveFont()

virtual void QGraphicsItemPrivate::resolveFont ( uint inheritedMask )

inlinevirtual

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 146 of file qgraphicsitem_p.h.

References i.

Referenced by QGraphicsScene::addItem(), QGraphicsScenePrivate::updateFont(), and QGraphicsWidgetPrivate::updateFont().

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◆ resolvePalette()

virtual void QGraphicsItemPrivate::resolvePalette ( uint inheritedMask )

inlinevirtual

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 152 of file qgraphicsitem_p.h.

References i.

Referenced by QGraphicsScene::addItem(), QGraphicsScenePrivate::updatePalette(), and QGraphicsWidgetPrivate::updatePalette().

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◆ sceneEffectiveBoundingRect()

QRectF QGraphicsItemPrivate::sceneEffectiveBoundingRect ( ) const

Since: 4.6 Returns the effective bounding rect of this item in scene coordinates, by combining sceneTransform() with boundingRect(), taking into account the effect that the item might have.

If the item has no effect, this is the same as sceneBoundingRect().

See also: effectiveBoundingRect(), sceneBoundingRect()

Definition at line 3023 of file qgraphicsitem.cpp.

References QGraphicsItem::d_ptr, QScopedPointer< T, Cleanup >::data(), effectiveBoundingRect(), QTransform::mapRect(), pos, q_ptr, QGraphicsItem::sceneTransform(), and QRectF::translate().

Referenced by QGraphicsSceneBspTreeIndexPrivate::_q_updateIndex(), and QGraphicsSceneBspTreeIndexPrivate::removeItem().

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◆ sendScenePosChange()

void QGraphicsItemPrivate::sendScenePosChange ( )

inline

Definition at line 4622 of file qgraphicsitem.cpp.

References item, QGraphicsItem::itemChange(), QGraphicsItem::ItemScenePositionHasChanged, QGraphicsItem::ItemSendsScenePositionChanges, scene, QGraphicsItem::scenePos(), and scenePosDescendants.

Referenced by QGraphicsItem::setPos(), and QGraphicsItem::setTransform().

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◆ setEnabledHelper()

void QGraphicsItemPrivate::setEnabledHelper	(	bool	newEnabled,
		bool	explicitly,
		bool	update = true )

Sets this item's visibility to newEnabled. If explicitly is true, this item will be "explicitly" newEnabled; otherwise, it.. will not be.

Definition at line 2607 of file qgraphicsitem.cpp.

References child, children, clear(), QGraphicsItem::clearFocus(), emit, explicitlyDisabled, QGraphicsScene::focusItem(), QGraphicsItem::hasFocus(), QGraphicsItem::isAncestorOf(), isObject, QGraphicsItem::isPanel(), QGraphicsItem::isSelected(), isWidget, QGraphicsItem::itemChange(), QGraphicsItem::ItemEnabledChange, QGraphicsItem::ItemEnabledHasChanged, QGraphicsScene::mouseGrabberItem(), QGraphicsItem::parentWidget(), q_ptr, scene, QGraphicsItem::setSelected(), QGraphicsItem::ungrabMouse(), and QGraphicsItem::update().

Referenced by QGraphicsItem::setEnabled(), and setParentItemHelper().

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◆ setExtra()

void QGraphicsItemPrivate::setExtra	(	Extra	type,
		const QVariant &	value )

inline

Definition at line 170 of file qgraphicsitem_p.h.

References i.

Referenced by QGraphicsItem::setBoundingRegionGranularity(), QGraphicsItem::setCursor(), and QGraphicsSvgItem::setMaximumCacheSize().

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◆ setFocusHelper()

void QGraphicsItemPrivate::setFocusHelper	(	Qt::FocusReason	focusReason,
		bool	climb,
		bool	focusFromHide )

Definition at line 3392 of file qgraphicsitem.cpp.

References clearSubFocus(), QGraphicsItem::commonAncestorItem(), QGraphicsItem::d_ptr, QGraphicsScene::focusItem(), focusProxy, focusScopeItem, focusScopeItemChange(), QGraphicsScene::isActive(), QGraphicsItem::isEnabled(), QGraphicsItem::ItemIsFocusable, QGraphicsItem::ItemIsFocusScope, QGraphicsItem::panel(), parent, q_ptr, and scene.

Referenced by QGraphicsItem::setFocus(), and setVisibleHelper().

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◆ setHeight()

void QGraphicsItemPrivate::setHeight ( qreal h )

virtual

Set the height of the item Reimplemented by QGraphicsWidget

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 7696 of file qgraphicsitem.cpp.

References Q_UNUSED.

◆ setIsMemberOfGroup()

void QGraphicsItemPrivate::setIsMemberOfGroup ( bool enabled )

Propagates item group membership.

Definition at line 1033 of file qgraphicsitem.cpp.

References child, children, enabled, and isMemberOfGroup.

◆ setParentItemHelper()

void QGraphicsItemPrivate::setParentItemHelper	(	QGraphicsItem *	newParent,
		const QVariant *	newParentVariant,
		const QVariant *	thisPointerVariant )

Make sure not to trigger any pure virtual function calls (e.g., prepareGeometryChange) if the item is in its destructor, i.e. inDestructor is 1.

Definition at line 1201 of file qgraphicsitem.cpp.

References addChild(), QGraphicsScene::addItem(), clearSubFocus(), QGraphicsItem::d_ptr, dirtySceneTransform, emit, enabled, explicitlyDisabled, explicitlyHidden, QGraphicsItem::focusItem(), focusScopeItem, focusScopeItemChange(), graphicsEffect, inDestructor, invalidateDepthRecursively(), QGraphicsItem::isActive(), QGraphicsItem::isAncestorOf(), QGraphicsItem::isEnabled(), isObject, QGraphicsItem::isWidget(), isWidget, QGraphicsItem::itemChange(), QGraphicsItem::ItemChildAddedChange, QGraphicsItem::ItemChildRemovedChange, QGraphicsItem::ItemIsFocusScope, QGraphicsItem::ItemIsPanel, QGraphicsItem::ItemParentChange, QGraphicsItem::ItemParentHasChanged, QGraphicsItem::ItemSendsScenePositionChanges, markParentDirty(), mayHaveChildWithGraphicsEffect, QGraphicsScene::NoIndex, p2, parent, QGraphicsItem::prepareGeometryChange(), q_ptr, removeChild(), QGraphicsScene::removeItem(), QGraphicsItem::scene(), scene, scenePosDescendants, setEnabledHelper(), QGraphicsItem::setFocus(), setSubFocus(), setVisibleHelper(), subFocusItem, transformChanged(), transformData, updateAncestorFlags(), updateChildWithGraphicsEffectFlagRecursively(), and visible.

Referenced by QGraphicsItem::setParentItem().

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◆ setPosHelper()

void QGraphicsItemPrivate::setPosHelper ( const QPointF & pos )

virtual

Sets the position pos.

Definition at line 3808 of file qgraphicsitem.cpp.

References dirtySceneTransform, emit, inSetPosHelper, isObject, pos, q_ptr, scene, QPointF::x(), and QPointF::y().

Referenced by QGraphicsItem::setPos().

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◆ setSubFocus()

void QGraphicsItemPrivate::setSubFocus	(	QGraphicsItem *	rootItem = nullptr,
		QGraphicsItem *	stopItem = nullptr )

Definition at line 5529 of file qgraphicsitem.cpp.

References clearSubFocus(), QGraphicsItem::d_ptr, QGraphicsScene::isActive(), QGraphicsItem::isPanel(), QGraphicsItem::panel(), parent, q_ptr, rootItem(), scene, subFocusItem, subFocusItemChange(), and visible.

Referenced by setParentItemHelper().

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◆ setTransformHelper()

void QGraphicsItemPrivate::setTransformHelper ( const QTransform & transform )

Sets the transform transform.

Definition at line 3831 of file qgraphicsitem.cpp.

References dirtySceneTransform, QGraphicsItem::prepareGeometryChange(), q_ptr, QGraphicsItemPrivate::TransformData::transform, transformChanged(), and transformData.

Referenced by QGraphicsItem::setTransform().

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◆ setVisibleHelper()

void QGraphicsItemPrivate::setVisibleHelper	(	bool	newVisible,
		bool	explicitly,
		bool	update = true,
		bool	hiddenByPanel = false )

Sets this item's visibility to newVisible. If explicitly is true, this item will be "explicitly" newVisible; otherwise, it.. will not be.

Definition at line 2375 of file qgraphicsitem.cpp.

References child, children, clear(), clearFocusHelper(), QGraphicsItem::d_ptr, done, emit, explicitlyHidden, extra(), ExtraCacheData, QGraphicsScene::focusItem(), focusScopeItem, geometryChanged, QGraphicsItem::hasFocus(), QGraphicsItem::isActive(), QGraphicsItem::isAncestorOf(), isObject, QGraphicsItem::isPanel(), QGraphicsItem::isSelected(), isWidget, QGraphicsItem::itemChange(), QGraphicsItem::ItemClipsChildrenToShape, QGraphicsItem::ItemContainsChildrenInShape, QGraphicsItem::ItemHasNoContents, QGraphicsItem::ItemIsFocusScope, QGraphicsItem::ItemVisibleChange, QGraphicsItem::ItemVisibleHasChanged, QGraphicsItem::NonModal, Qt::OtherFocusReason, paintedViewBoundingRectsNeedRepaint, panelModality, parent, QGraphicsItem::parentWidget(), Qt::Popup, QGraphicsItemCache::purge(), q_ptr, scene, QGraphicsScene::setActivePanel(), QGraphicsItem::setFocus(), setFocusHelper(), QGraphicsScene::setFocusItem(), QGraphicsItem::setSelected(), subFocusItem, visible, widget, and QWidget::windowType().

Referenced by setParentItemHelper(), and QGraphicsItem::setVisible().

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◆ setWidth()

void QGraphicsItemPrivate::setWidth ( qreal w )

virtual

Set the width of the item Reimplemented by QGraphicsWidget

Reimplemented in QGraphicsWidgetPrivate.

Definition at line 7667 of file qgraphicsitem.cpp.

References Q_UNUSED.

◆ siblingOrderChange()

void QGraphicsItemPrivate::siblingOrderChange ( )

virtual

Subclasses can reimplement this function to be notified when its siblingIndex order is changed.

Definition at line 5610 of file qgraphicsitem.cpp.

Referenced by QGraphicsItem::stackBefore().

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◆ subFocusItemChange()

void QGraphicsItemPrivate::subFocusItemChange ( )

virtual

Subclasses can reimplement this function to be notified when subFocusItem changes.

Definition at line 5589 of file qgraphicsitem.cpp.

Referenced by clearSubFocus(), and setSubFocus().

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◆ transformChanged()

virtual void QGraphicsItemPrivate::transformChanged ( )

inlinevirtual

Definition at line 123 of file qgraphicsitem_p.h.

Referenced by appendGraphicsTransform(), prependGraphicsTransform(), setParentItemHelper(), QGraphicsItem::setRotation(), QGraphicsItem::setScale(), QGraphicsItem::setTransformations(), and setTransformHelper().

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◆ transformToParent()

QTransform QGraphicsItemPrivate::transformToParent ( ) const

inline

Definition at line 645 of file qgraphicsitem_p.h.

References combineTransformToParent().

Referenced by QGraphicsItem::mapFromParent(), QGraphicsItem::mapFromParent(), QGraphicsItem::mapFromParent(), QGraphicsItem::mapFromParent(), QGraphicsItem::mapRectFromParent(), QGraphicsItem::mapRectToParent(), QGraphicsItem::mapToParent(), QGraphicsItem::mapToParent(), QGraphicsItem::mapToParent(), and QGraphicsItem::mapToParent().

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◆ unsetExtra()

void QGraphicsItemPrivate::unsetExtra ( Extra type )

inline

Definition at line 187 of file qgraphicsitem_p.h.

References i.

Referenced by removeExtraItemCache(), QGraphicsItem::setBoundingRegionGranularity(), and QGraphicsItem::unsetCursor().

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◆ updateAncestorFlag()

void QGraphicsItemPrivate::updateAncestorFlag	(	QGraphicsItem::GraphicsItemFlag	childFlag,
		AncestorFlag	flag = NoFlag,
		bool	enabled = false,
		bool	root = true )

Propagates the ancestor flag flag with value enabled to all this item's children. If root is false, the flag is also set on this item (default is true).

Definition at line 928 of file qgraphicsitem.cpp.

References AncestorClipsChildren, AncestorContainsChildren, AncestorFiltersChildEvents, ancestorFlags, AncestorHandlesChildEvents, AncestorIgnoresTransformations, QList< T >::at(), children, QGraphicsItem::d_ptr, filtersDescendantEvents, flags, handlesChildEvents, i, QGraphicsItem::ItemClipsChildrenToShape, QGraphicsItem::ItemContainsChildrenInShape, QGraphicsItem::ItemIgnoresTransformations, parent, QList< T >::size(), and updateAncestorFlag().