qgraphicsitem.cpp File Reference

#include "qgraphicsitem.h"
#include "qgraphicsscene.h"
#include "qgraphicsscene_p.h"
#include "qgraphicssceneevent.h"
#include "qgraphicsview.h"
#include "qgraphicswidget.h"
#include "qgraphicsproxywidget.h"
#include "qgraphicsscenebsptreeindex_p.h"
#include <QtCore/qbitarray.h>
#include <QtCore/qpoint.h>
#include <QtCore/qstack.h>
#include <QtCore/qtimer.h>
#include <QtCore/qvariant.h>
#include <QtCore/qvarlengtharray.h>
#include <QtCore/qnumeric.h>
#include <QtWidgets/qapplication.h>
#include <QtGui/qbitmap.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <QtGui/qpixmapcache.h>
#include <QtWidgets/qstyleoption.h>
#include <QtGui/qevent.h>
#include <QtGui/qinputmethod.h>
#include <private/qgraphicsitem_p.h>
#include <private/qgraphicswidget_p.h>
#include <private/qwidgettextcontrol_p.h>
#include <private/qtextdocumentlayout_p.h>
#include <private/qtextengine_p.h>
#include <private/qwidget_p.h>
#include <private/qapplication_p.h>
#include <private/qgesturemanager_p.h>
#include <private/qdebug_p.h>
#include "moc_qgraphicsitem.cpp"

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Classes
class	QGraphicsItemCustomDataStore
class	QAbstractGraphicsShapeItemPrivate
class	QGraphicsPathItemPrivate
class	QGraphicsRectItemPrivate
class	QGraphicsEllipseItemPrivate
class	QGraphicsPolygonItemPrivate
class	QGraphicsLineItemPrivate
class	QGraphicsPixmapItemPrivate
class	QGraphicsTextItemPrivate
class	QGraphicsSimpleTextItemPrivate
class	QGraphicsItemGroupPrivate

Functions
static QT_BEGIN_NAMESPACE void	_q_adjustRect (QRect *rect)
static QPainterPath	qt_graphicsItem_shapeFromPath (const QPainterPath &path, const QPen &pen)
static bool	qt_QGraphicsItem_isObscured (const QGraphicsItem *item, const QGraphicsItem *other, const QRectF &rect)
bool	_qt_movableAncestorIsSelected (const QGraphicsItem *item)
void Q_WIDGETS_EXPORT	qt_graphicsItem_highlightSelected (QGraphicsItem *item, QPainter *painter, const QStyleOptionGraphicsItem *option)
QPainterPath	qt_regionToPath (const QRegion &region)
static QRectF	setupTextLayout (QTextLayout *layout)
static void	formatGraphicsItemHelper (QDebug debug, const QGraphicsItem *item)
QDebug	operator<< (QDebug debug, const QGraphicsItem *item)
QDebug	operator<< (QDebug debug, const QGraphicsObject *item)
QDebug	operator<< (QDebug debug, QGraphicsItem::GraphicsItemChange change)
QDebug	operator<< (QDebug debug, QGraphicsItem::GraphicsItemFlag flag)
QDebug	operator<< (QDebug debug, QGraphicsItem::GraphicsItemFlags flags)

Function Documentation

_q_adjustRect()

static QT_BEGIN_NAMESPACE void _q_adjustRect ( QRect *  rect )

inlinestatic

Definition at line 797 of file qgraphicsitem.cpp.

References Q_ASSERT, and rect.

Referenced by QGraphicsItem::boundingRegion(), QGraphicsItem::collidesWithPath(), QtPrivate::intersect_path(), QtPrivate::intersect_point(), QtPrivate::intersect_rect(), QGraphicsSceneIndex::items(), QGraphicsSceneIndex::items(), and QGraphicsSceneIndex::items().

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_qt_movableAncestorIsSelected()

bool _qt_movableAncestorIsSelected

(

const QGraphicsItem *

item

)

Definition at line 7042 of file qgraphicsitem.cpp.

References _qt_movableAncestorIsSelected(), item, QGraphicsItem::ItemIsMovable, parent, and QGraphicsItem::parentItem().

Referenced by _qt_movableAncestorIsSelected(), and QGraphicsItemPrivate::movableAncestorIsSelected().

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formatGraphicsItemHelper()

static void formatGraphicsItemHelper ( QDebug  debug, const QGraphicsItem *  item  )

static

Definition at line 11148 of file qgraphicsitem.cpp.

References debug, QGraphicsItem::flags(), QtDebugUtils::formatQPoint(), item, parent, QGraphicsItem::parentItem(), QGraphicsItem::pos(), and QGraphicsItem::zValue().

Referenced by operator<<(), and operator<<().

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operator<<() [1/5]

QDebug operator<<	(	QDebug	debug,
		const QGraphicsItem *	item
	)

Definition at line 11160 of file qgraphicsitem.cpp.

References debug, formatGraphicsItemHelper(), item, o, and QGraphicsItem::toGraphicsObject().

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operator<<() [2/5]

QDebug operator<<	(	QDebug	debug,
		const QGraphicsObject *	item
	)

Definition at line 11191 of file qgraphicsitem.cpp.

References debug, formatGraphicsItemHelper(), and item.

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operator<<() [3/5]

QDebug operator<<	(	QDebug	debug,
		QGraphicsItem::GraphicsItemChange	change
	)

Definition at line 11209 of file qgraphicsitem.cpp.

References debug, QGraphicsItem::ItemChildAddedChange, QGraphicsItem::ItemChildRemovedChange, QGraphicsItem::ItemCursorChange, QGraphicsItem::ItemCursorHasChanged, QGraphicsItem::ItemEnabledChange, QGraphicsItem::ItemEnabledHasChanged, QGraphicsItem::ItemFlagsChange, QGraphicsItem::ItemFlagsHaveChanged, QGraphicsItem::ItemOpacityChange, QGraphicsItem::ItemOpacityHasChanged, QGraphicsItem::ItemParentChange, QGraphicsItem::ItemParentHasChanged, QGraphicsItem::ItemPositionChange, QGraphicsItem::ItemPositionHasChanged, QGraphicsItem::ItemRotationChange, QGraphicsItem::ItemRotationHasChanged, QGraphicsItem::ItemScaleChange, QGraphicsItem::ItemScaleHasChanged, QGraphicsItem::ItemSceneChange, QGraphicsItem::ItemSceneHasChanged, QGraphicsItem::ItemScenePositionHasChanged, QGraphicsItem::ItemSelectedChange, QGraphicsItem::ItemSelectedHasChanged, QGraphicsItem::ItemToolTipChange, QGraphicsItem::ItemToolTipHasChanged, QGraphicsItem::ItemTransformChange, QGraphicsItem::ItemTransformHasChanged, QGraphicsItem::ItemTransformOriginPointChange, QGraphicsItem::ItemTransformOriginPointHasChanged, QGraphicsItem::ItemVisibleChange, QGraphicsItem::ItemVisibleHasChanged, QGraphicsItem::ItemZValueChange, QGraphicsItem::ItemZValueHasChanged, and str.

operator<<() [4/5]

QDebug operator<<	(	QDebug	debug,
		QGraphicsItem::GraphicsItemFlag	flag
	)

Definition at line 11317 of file qgraphicsitem.cpp.

References debug, QGraphicsItem::ItemAcceptsInputMethod, QGraphicsItem::ItemClipsChildrenToShape, QGraphicsItem::ItemClipsToShape, QGraphicsItem::ItemContainsChildrenInShape, QGraphicsItem::ItemDoesntPropagateOpacityToChildren, QGraphicsItem::ItemHasNoContents, QGraphicsItem::ItemIgnoresParentOpacity, QGraphicsItem::ItemIgnoresTransformations, QGraphicsItem::ItemIsFocusable, QGraphicsItem::ItemIsFocusScope, QGraphicsItem::ItemIsMovable, QGraphicsItem::ItemIsPanel, QGraphicsItem::ItemIsSelectable, QGraphicsItem::ItemNegativeZStacksBehindParent, QGraphicsItem::ItemSendsGeometryChanges, QGraphicsItem::ItemSendsScenePositionChanges, QGraphicsItem::ItemStacksBehindParent, QGraphicsItem::ItemStopsClickFocusPropagation, QGraphicsItem::ItemStopsFocusHandling, QGraphicsItem::ItemUsesExtendedStyleOption, and str.

operator<<() [5/5]

QDebug operator<<	(	QDebug	debug,
		QGraphicsItem::GraphicsItemFlags	flags
	)

Definition at line 11386 of file qgraphicsitem.cpp.

References debug, and i.

qt_graphicsItem_highlightSelected()

void Q_WIDGETS_EXPORT qt_graphicsItem_highlightSelected	(	QGraphicsItem *	item,
		QPainter *	painter,
		const QStyleOptionGraphicsItem *	option
	)

Highlights item as selected.

Definition at line 7493 of file qgraphicsitem.cpp.

References QRectF::adjusted(), QColor::blue(), QGraphicsItem::boundingRect(), Qt::DashLine, QPainter::drawRect(), QColor::green(), QRectF::height(), item, QTransform::mapRect(), Qt::NoBrush, painter, qFuzzyIsNull(), qMax(), qMin(), QColor::red(), QPainter::setBrush(), QPainter::setPen(), Qt::SolidLine, QPainter::transform(), QGraphicsPathItem::Type, QGraphicsItem::type(), QGraphicsRectItem::Type, QGraphicsEllipseItem::Type, QGraphicsPolygonItem::Type, QGraphicsLineItem::Type, QGraphicsSimpleTextItem::Type, and QRectF::width().

Referenced by QGraphicsPixmapItem::paint(), QGraphicsTextItem::paint(), QGraphicsSimpleTextItem::paint(), QGraphicsPathItem::paint(), QGraphicsRectItem::paint(), QGraphicsEllipseItem::paint(), QGraphicsPolygonItem::paint(), QGraphicsLineItem::paint(), and QGraphicsSvgItem::paint().

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qt_graphicsItem_shapeFromPath()

static QPainterPath qt_graphicsItem_shapeFromPath ( const QPainterPath &  path, const QPen &  pen  )

static

Returns a QPainterPath of path when stroked with the pen. Ignoring dash pattern.

Definition at line 822 of file qgraphicsitem.cpp.

References QPainterPath::addPath(), QPainterPathStroker::createStroke(), Qt::NoPen, QPainterPathStroker::setCapStyle(), QPainterPathStroker::setJoinStyle(), QPainterPathStroker::setMiterLimit(), and QPainterPathStroker::setWidth().

Referenced by QGraphicsPathItem::shape(), QGraphicsRectItem::shape(), QGraphicsEllipseItem::shape(), QGraphicsPolygonItem::shape(), and QGraphicsLineItem::shape().

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qt_QGraphicsItem_isObscured()

static bool qt_QGraphicsItem_isObscured ( const QGraphicsItem *  item, const QGraphicsItem *  other, const QRectF &  rect  )

static

Item obscurity helper function.

Returns true if the subrect rect of item's bounding rect is obscured by other (i.e., other's opaque area covers item's rect completely. other is assumed to already be "on top of" item wrt. stacking order.

Definition at line 5052 of file qgraphicsitem.cpp.

References item, other(), and rect.

Referenced by QGraphicsItem::isObscured(), and QGraphicsItem::isObscuredBy().

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qt_regionToPath()

QPainterPath qt_regionToPath

(

const QRegion &

region

)

Definition at line 1007 of file qregion.cpp.

Referenced by QGraphicsPixmapItemPrivate::updateShape().

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setupTextLayout()

static QRectF setupTextLayout ( QTextLayout *  layout )

static

Definition at line 10492 of file qgraphicsitem.cpp.

References i, layout, line, and qMax().

Referenced by QGraphicsSimpleTextItem::paint(), and QGraphicsSimpleTextItemPrivate::updateBoundingRect().

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