(c26994ff1551aa5450383cc51bed9b4d39f973f7)

#include "qgraphicsscene.h"
#include "qgraphicsitem.h"
#include "qgraphicsitem_p.h"
#include "qgraphicslayout.h"
#include "qgraphicsscene_p.h"
#include "qgraphicssceneevent.h"
#include "qgraphicsview.h"
#include "qgraphicsview_p.h"
#include "qgraphicswidget.h"
#include "qgraphicswidget_p.h"
#include "qgraphicssceneindex_p.h"
#include "qgraphicsscenebsptreeindex_p.h"
#include "qgraphicsscenelinearindex_p.h"
#include <QtCore/qdebug.h>
#include <QtCore/qlist.h>
#include <QtCore/qmath.h>
#include <QtCore/qrect.h>
#include <QtCore/qset.h>
#include <QtCore/qstack.h>
#include <QtCore/qtimer.h>
#include <QtCore/qvarlengtharray.h>
#include <QtCore/QMetaMethod>
#include <QtWidgets/qapplication.h>
#include <QtGui/qevent.h>
#include <QtWidgets/qgraphicslayout.h>
#include <QtWidgets/qgraphicsproxywidget.h>
#include <QtWidgets/qgraphicswidget.h>
#include <QtGui/qpaintengine.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <QtGui/qpixmapcache.h>
#include <QtGui/qpolygon.h>
#include <QtGui/qpointingdevice.h>
#include <QtWidgets/qstyleoption.h>
#include <QtGui/qtransform.h>
#include <QtGui/qinputmethod.h>
#include <private/qapplication_p.h>
#include <private/qevent_p.h>
#include <QtGui/private/qeventpoint_p.h>
#include <private/qobject_p.h>
#include <private/qgesturemanager_p.h>
#include <private/qpathclipper_p.h>
#include <QtCore/qpointer.h>
#include "moc_qgraphicsscene.cpp"

Include dependency graph for qgraphicsscene.cpp:

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Macros
#define	DEBUG if (0) qDebug

#define	ENSURE_TRANSFORM_PTR

Functions
QT_BEGIN_NAMESPACE bool	qt_sendSpontaneousEvent (QObject receiver, QEvent event)

static void	_q_hoverFromMouseEvent (QGraphicsSceneHoverEvent hover, const QGraphicsSceneMouseEvent mouseEvent)

static void	_q_paintItem (QGraphicsItem item, QPainter painter, const QStyleOptionGraphicsItem option, QWidget widget, bool useWindowOpacity, bool painterStateProtection)

static void	_q_paintIntoCache (QPixmap pix, QGraphicsItem item, const QRegion &pixmapExposed, const QTransform &itemToPixmap, QPainter::RenderHints renderHints, const QStyleOptionGraphicsItem *option, bool painterStateProtection)

static bool	transformIsSimple (const QTransform &transform)

static void	setClip (QPainter painter, QGraphicsItem item)

static void	setWorldTransform (QPainter painter, const QTransform const transformPtr, const QTransform *effectTransform)

static bool	updateHelper (QGraphicsViewPrivate view, QGraphicsItemPrivate item, const QRectF &rect, bool itemIsUntransformable)

Macro Definition Documentation

◆ DEBUG

#define DEBUG if (0) qDebug

Definition at line 223 of file qgraphicsscene.cpp.

◆ ENSURE_TRANSFORM_PTR

#define ENSURE_TRANSFORM_PTR

Value:

    if (!transformPtr) { \
        Q_ASSERT(!itemIsUntransformable); \
        if (viewTransform) { \
            transform = item->d_ptr->sceneTransform; \
            transform *= *viewTransform; \
            transformPtr = &transform; \
        } else { \
            transformPtr = &item->d_ptr->sceneTransform; \
            translateOnlyTransform = item->d_ptr->sceneTransformTranslateOnly; \
        } \
    }

Function Documentation

◆ _q_hoverFromMouseEvent()

static void _q_hoverFromMouseEvent	(	QGraphicsSceneHoverEvent *	hover,
		const QGraphicsSceneMouseEvent *	mouseEvent )

static

Definition at line 232 of file qgraphicsscene.cpp.

References QEvent::isAccepted(), QGraphicsSceneMouseEvent::lastPos(), QGraphicsSceneMouseEvent::lastScenePos(), QGraphicsSceneMouseEvent::lastScreenPos(), QGraphicsSceneMouseEvent::modifiers(), QGraphicsSceneMouseEvent::pos(), QGraphicsSceneMouseEvent::scenePos(), QGraphicsSceneMouseEvent::screenPos(), QEvent::setAccepted(), QGraphicsSceneHoverEvent::setLastPos(), QGraphicsSceneHoverEvent::setLastScenePos(), QGraphicsSceneHoverEvent::setLastScreenPos(), QGraphicsSceneHoverEvent::setModifiers(), QGraphicsSceneHoverEvent::setPos(), QGraphicsSceneHoverEvent::setScenePos(), QGraphicsSceneHoverEvent::setScreenPos(), QGraphicsSceneEvent::setWidget(), and QGraphicsSceneEvent::widget().

Referenced by QGraphicsScene::mouseMoveEvent(), QGraphicsScene::mousePressEvent(), and QGraphicsScene::mouseReleaseEvent().

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◆ _q_paintIntoCache()

static void _q_paintIntoCache	(	QPixmap *	pix,
		QGraphicsItem *	item,
		const QRegion &	pixmapExposed,
		const QTransform &	itemToPixmap,
		QPainter::RenderHints	renderHints,
		const QStyleOptionGraphicsItem *	option,
		bool	painterStateProtection )

static

Definition at line 4229 of file qgraphicsscene.cpp.

References _q_paintItem(), QPainter::CompositionMode_Source, QRect::contains(), QPixmap::devicePixelRatio(), QPixmap::fill(), item, pix, QPixmap::rect(), QRect::size(), QRect::topLeft(), and Qt::transparent.

Referenced by QGraphicsScenePrivate::drawItemHelper().

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◆ _q_paintItem()

static void _q_paintItem	(	QGraphicsItem *	item,
		QPainter *	painter,
		const QStyleOptionGraphicsItem *	option,
		QWidget *	widget,
		bool	useWindowOpacity,
		bool	painterStateProtection )