qgraphicsview.cpp File Reference

(d99b0cfed21e05f6e84b97fe8edb68271a34deb2)

#include "qgraphicsview.h"
#include "qgraphicsview_p.h"
#include "qgraphicsitem.h"
#include "qgraphicsitem_p.h"
#include "qgraphicsscene.h"
#include "qgraphicsscene_p.h"
#include "qgraphicssceneevent.h"
#include "qgraphicswidget.h"
#include <QtCore/qdatetime.h>
#include <QtCore/qdebug.h>
#include <QtCore/qmath.h>
#include <QtCore/qscopedvaluerollback.h>
#include <QtWidgets/qapplication.h>
#include <QtGui/qevent.h>
#include <QtWidgets/qlayout.h>
#include <QtGui/qtransform.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <QtWidgets/qscrollbar.h>
#include <QtWidgets/qstyleoption.h>
#include <private/qevent_p.h>
#include <QtGui/private/qeventpoint_p.h>
#include "moc_qgraphicsview.cpp"

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Functions
QT_BEGIN_NAMESPACE bool	qt_sendSpontaneousEvent (QObject *receiver, QEvent *event)
int	q_round_bound (qreal d)
static bool	intersectsViewport (const QRect &r, int width, int height)
static bool	containsViewport (const QRect &r, int width, int height)
static void	QRect_unite (QRect *rect, const QRect &other)
QPainterPath	qt_regionToPath (const QRegion &region)

Variables
static const int	QGRAPHICSVIEW_REGION_RECT_THRESHOLD = 50
static const int	QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS = 503

Function Documentation

containsViewport()

static bool containsViewport ( const QRect & r, int width, int height )

inlinestatic

Definition at line 965 of file qgraphicsview.cpp.

Referenced by QGraphicsViewPrivate::updateRect().

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intersectsViewport()

static bool intersectsViewport ( const QRect & r, int width, int height )

inlinestatic

Definition at line 962 of file qgraphicsview.cpp.

Referenced by QGraphicsViewPrivate::updateRect(), and QGraphicsViewPrivate::updateRegion().

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q_round_bound()

int q_round_bound ( qreal d )

inline

Definition at line 277 of file qgraphicsview.cpp.

References d.

Referenced by QGraphicsViewPrivate::recalculateContentSize().

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QRect_unite()

static void QRect_unite ( QRect * rect, const QRect & other )

inlinestatic

Definition at line 968 of file qgraphicsview.cpp.

References other(), qMax(), qMin(), and rect.

Referenced by QGraphicsViewPrivate::updateRect().

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qt_regionToPath()

QPainterPath qt_regionToPath ( const QRegion & region )

extern

Definition at line 1007 of file qregion.cpp.

qt_sendSpontaneousEvent()

QT_BEGIN_NAMESPACE bool qt_sendSpontaneousEvent ( QObject * receiver, QEvent * event )

related

Variable Documentation

QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS

const int QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS = 503

static

Definition at line 6 of file qgraphicsview.cpp.

Referenced by QGraphicsViewPrivate::QGraphicsViewPrivate().

QGRAPHICSVIEW_REGION_RECT_THRESHOLD

const int QGRAPHICSVIEW_REGION_RECT_THRESHOLD = 50

static

Definition at line 4 of file qgraphicsview.cpp.

Referenced by QGraphicsView::updateScene().