Qt 5.5 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.5. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

新类
新成员函数
名称空间中的新函数
新全局函数
新宏
新枚举类型
新特性
新 QML 类型
新 QML 特性
新 QML 信号
新 QML 方法

新类

A: QAbstractAxisInput ( Qt3DInput ); QAbstractTexture ( Qt3DRender ); QAbstractTextureImage ( Qt3DRender ); QAbstractVideoFilter; QAxisSetting ( Qt3DInput )

B: QBlendEquationArguments ( Qt3DRender )

C: QCamera ( Qt3DRender ); QCameraLens ( Qt3DRender ); QCameraSelector ( Qt3DRender ); QCameraViewfinderSettings; QCameraViewfinderSettingsControl2; QClipPlane ( Qt3DRender ); QComponent ( Qt3DCore )

E: QEntity ( Qt3DCore )

F: FrameRateRange ( QCamera ); QFilterKey ( Qt3DRender ); QFrameAction ( Qt3DLogic ); QFrameGraphNode ( Qt3DRender )

G: QGraphicsApiFilter ( Qt3DRender )

I: QInputAspect ( Qt3DInput ); QInputDeviceIntegration ( Qt3DInput )

K: QKeyboardDevice ( Qt3DInput ); QKeyboardHandler ( Qt3DInput ); QKeyEvent ( Qt3DInput )

L: QLayer ( Qt3DRender ); QLayerFilter ( Qt3DRender )

M: QMaterial ( Qt3DRender ); QMouseDevice ( Qt3DInput ); QMouseEvent ( Qt3DInput ); QMouseHandler ( Qt3DInput )

N: QNode ( Qt3DCore ); QNoDraw ( Qt3DRender )

O: QOpenGLFunctions_4_4_Compatibility; QOpenGLFunctions_4_4_Core; QOpenGLFunctions_4_5_Compatibility; QOpenGLFunctions_4_5_Core

P: QPlatformSurfaceEvent; QPointLight ( Qt3DRender )

R: QRenderStateSet ( Qt3DRender )

S: QShaderData ( Qt3DRender ); QShaderProgram ( Qt3DRender ); QSkyboxEntity ( Qt3DExtras ); QSpotLight ( Qt3DRender ); QSslEllipticCurve; QSslPreSharedKeyAuthenticator

T: QTexture1D ( Qt3DRender ); QTexture1DArray ( Qt3DRender ); QTexture2D ( Qt3DRender ); QTexture2DArray ( Qt3DRender ); QTexture2DMultisample ( Qt3DRender ); QTexture2DMultisampleArray ( Qt3DRender ); QTexture3D ( Qt3DRender ); QTextureBuffer ( Qt3DRender ); QTextureCubeMap ( Qt3DRender ); QTextureCubeMapArray ( Qt3DRender ); QTextureImage ( Qt3DRender ); QTextureImageData ( Qt3DRender ); QTextureRectangle ( Qt3DRender ); QTextureWrapMode ( Qt3DRender )

V: QVideoFilterRunnable

W: QWebEngineProfile; QWebEngineScript; QWebEngineScriptCollection; QWheelEvent ( Qt3DInput ); QWindowsWindowFunctions

新成员函数

类 QBluetoothDeviceInfo :

QBluetoothUuid	deviceUuid () const
void	setDeviceUuid (const QBluetoothUuid & uuid )

类 QBluetoothHostInfo :

bool	operator!= (const QBluetoothHostInfo & other ) const
bool	operator== (const QBluetoothHostInfo & other ) const

类 QLowEnergyController :

QString

remoteName () const

类 QLowEnergyService :

void	characteristicRead (const QLowEnergyCharacteristic & characteristic , const QByteArray & value )
void	descriptorRead (const QLowEnergyDescriptor & descriptor , const QByteArray & value )
void	readCharacteristic (const QLowEnergyCharacteristic & characteristic )
void	readDescriptor (const QLowEnergyDescriptor & descriptor )

类 QAssociativeIterable :

QAssociativeIterable::const_iterator

find (const QVariant & key ) const

类 FromBase64Result :

uint	qHash (const QSet<T> & key , uint seed )

类 QChar :

bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )

类 QDateTime :

QDateTime	fromCFDate (CFDateRef date )
QDateTime	fromNSDate (const NSDate * date )
CFDateRef	toCFDate () const
NSDate *	toNSDate () const

类 QDebug :

QDebug &	operator<< (char16_t t )
QDebug &	operator<< (char32_t t )

类 QHash :

uint	qHash (const QSet<T> & key , uint seed )
uint	qHashRange (InputIterator first , InputIterator last , uint seed )
uint	qHashRangeCommutative (InputIterator first , InputIterator last , uint seed )

类 QItemSelectionModel :

QAbstractItemModel *	model ()
void	modelChanged (QAbstractItemModel * model )
void	setModel (QAbstractItemModel * model )

类 QJsonObject :

QJsonObject	fromVariantHash (const QVariantHash & hash )
QVariantHash	toVariantHash () const

类 QList :

bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )
uint	qHash (const QSet<T> & key , uint seed )

类 QLocale :

uint	qHash (const QSet<T> & key , uint seed )

类 QLoggingCategory :

bool	isInfoEnabled () const

类 QMessageLogger :

void	info (const char * msg , ... ) const
void	info (const QLoggingCategory & cat , const char * msg , ... ) const
void	info (QMessageLogger::CategoryFunction catFunc , const char * msg , ... ) const
QDebug	info () const
QDebug	info (const QLoggingCategory & cat ) const
QDebug	info (QMessageLogger::CategoryFunction catFunc ) const

类 QMetaEnum :

QMetaEnum

fromType ()

类 QMetaMethod :

bool	invokeOnGadget (void * gadget , QGenericReturnArgument returnValue , QGenericArgument val0 , QGenericArgument val1 , QGenericArgument val2 , QGenericArgument val3 , QGenericArgument val4 , QGenericArgument val5 , QGenericArgument val6 , QGenericArgument val7 , QGenericArgument val8 , QGenericArgument val9 ) const
bool	invokeOnGadget (void * gadget , QGenericArgument val0 , QGenericArgument val1 , QGenericArgument val2 , QGenericArgument val3 , QGenericArgument val4 , QGenericArgument val5 , QGenericArgument val6 , QGenericArgument val7 , QGenericArgument val8 , QGenericArgument val9 ) const

类 QMetaProperty :

QVariant	readOnGadget (const void * gadget ) const
bool	resetOnGadget (void * gadget ) const
bool	writeOnGadget (void * gadget , const QVariant & value ) const

类 QMetaType :

bool	等于 (const void * lhs , const void * rhs , int typeId , int * result )
const QMetaObject *	metaObject () const
bool	registerEqualsComparator ()
int	type (const ::QByteArray & typeName )

类 QMultiHash :

uint	qHash (const QSet<T> & key , uint seed )

类 QPair :

bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )
void	swap (QPair<T1, T2> & other )

类 QPersistentModelIndex :

uint	qHash (const QSet<T> & key , uint seed )

类 QRegularExpression :

QRegularExpressionMatchIterator	globalMatch (const QStringRef & subjectRef , int offset , QRegularExpression::MatchType matchType , QRegularExpression::MatchOptions matchOptions ) const
QRegularExpressionMatch	match (const QStringRef & subjectRef , int offset , QRegularExpression::MatchType matchType , QRegularExpression::MatchOptions matchOptions ) const

类 QRegExp :

uint	qHash (const QSet<T> & key , uint seed )

类 QState :

QSignalTransition *

addTransition (const QObject * sender , PointerToMemberFunction signal , QAbstractState * target )

类 QString :

QString	asprintf (const char * cformat , ... )
QString	fromStdU16String (const std::u16string & str )
QString	fromStdU32String (const std::u32string & str )
int	indexOf (const QRegularExpression & re , int from , QRegularExpressionMatch * rmatch ) const
QString &	insert (int position , const QStringRef & str )
QString &	insert (int position , const char * str )
QString &	insert (int position , const QByteArray & str )
int	lastIndexOf (const QRegularExpression & re , int from , QRegularExpressionMatch * rmatch ) const
QString &	prepend (const QChar * str , int len )
QString &	prepend (const QStringRef & str )
std::u16string	toStdU16String () const
std::u32string	toStdU32String () const
QString	vasprintf (const char * cformat , va_list ap )

类 QStringView :

uint	qHash (const QSet<T> & key , uint seed )

类 QTextStream :

bool	readLineInto (QString * line , qint64 maxlen )

类 QThread :

int	loopLevel () const

类 QTimeZone :

QTimeZone	systemTimeZone ()
QTimeZone	utc ()

类 QUuid :

bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )

类 QVarLengthArray :

bool	operator<= (const QUuid & lhs , const QUuid & rhs )
QVarLengthArray<T, Prealloc> &	operator= (std::initializer_list<T> list )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )
uint	qHash (const QSet<T> & key , uint seed )

类 QVariant :

QPersistentModelIndex

toPersistentModelIndex () const

类 QVector :

void	append (const QVector<T> & value )
bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )
uint	qHash (const QSet<T> & key , uint seed )

类 QDBusConnection :

bool	registerObject (const QString & path , const QString & interface , QObject * object , QDBusConnection::RegisterOptions options )

类 QFontDatabase :

bool	isPrivateFamily (const QString & family ) const

类 QGenericMatrix :

QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
const QVector3D	operator/ (const QVector3D & vector , const QVector3D & divisor )
const QVector4D	operator/ (const QVector4D & vector , const QVector4D & divisor )

类 QImageReader :

bool	autoTransform () const
void	setAutoTransform (bool enabled )
QImageIOHandler::Transformations	transformation () const

类 QImageWriter :

bool	optimizedWrite () const
bool	progressiveScanWrite () const
void	setOptimizedWrite (bool optimize )
void	setProgressiveScanWrite (bool progressive )
void	setTransformation (QImageIOHandler::Transformations transform )
QImageIOHandler::Transformations	transformation () const

类 QMatrix4x4 :

bool	isAffine () const

类 QOpenGLContext :

QOpenGLContext *	globalShareContext ()
bool	supportsThreadedOpenGL ()

类 QOpenGLTexture :

void	allocateStorage (QOpenGLTexture::PixelFormat pixelFormat , QOpenGLTexture::PixelType pixelType )
QOpenGLTexture::ComparisonFunction	comparisonFunction () const
QOpenGLTexture::ComparisonMode	comparisonMode () const
void	setComparisonFunction (QOpenGLTexture::ComparisonFunction function )
void	setComparisonMode (QOpenGLTexture::ComparisonMode mode )

类 QPixelFormat :

QPixelFormat

qPixelFormatAlpha (uchar channelSize , QPixelFormat::TypeInterpretation typeInterpretation )

类 QPlatformFontDatabase :

QFont::Weight

weightFromInteger (int weight )

类 QPlatformIntegration :

virtual void	destroy ()
virtual void	setApplicationIcon (const QIcon & icon ) const

类 QQuaternion :

QQuaternion	conjugated () const
float	dotProduct (const QQuaternion & q1 , const QQuaternion & q2 )
QQuaternion	fromAxes (const QVector3D & xAxis , const QVector3D & yAxis , const QVector3D & zAxis )
QQuaternion	fromDirection (const QVector3D & direction , const QVector3D & up )
QQuaternion	fromEulerAngles (float pitch , float yaw , float roll )
QQuaternion	fromEulerAngles (const QVector3D & eulerAngles )
QQuaternion	fromRotationMatrix (const QMatrix3x3 & rot3x3 )
void	getAxes (QVector3D * xAxis , QVector3D * yAxis , QVector3D * zAxis ) const
void	getAxisAndAngle (float * x , float * y , float * z , float * angle ) const
void	getAxisAndAngle (QVector3D * axis , float * angle ) const
void	getEulerAngles (float * pitch , float * yaw , float * roll ) const
QQuaternion	inverted () const
QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
QQuaternion	rotationTo (const QVector3D & from , const QVector3D & to )
QVector3D	toEulerAngles () const
QMatrix3x3	toRotationMatrix () const

类 QTextDocument :

QTextCursor	find (const QRegularExpression & expr , int from , QTextDocument::FindFlags options ) const
QTextCursor	find (const QRegularExpression & expr , const QTextCursor & cursor , QTextDocument::FindFlags options ) const

类 QVector2D :

QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
const QVector2D	operator/ (const QVector2D & vector , const QVector2D & divisor )
const QVector3D	operator/ (const QVector3D & vector , const QVector3D & divisor )
const QVector4D	operator/ (const QVector4D & vector , const QVector4D & divisor )
QVector2D &	operator/= (const QVector2D & vector )

类 QVector4D :

QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
const QVector4D	operator/ (const QVector4D & vector , const QVector4D & divisor )
QVector4D &	operator/= (const QVector4D & vector )

类 QVector3D :

QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
const QVector3D	operator/ (const QVector3D & vector , const QVector3D & divisor )
const QVector4D	operator/ (const QVector4D & vector , const QVector4D & divisor )
QVector3D &	operator/= (const QVector3D & vector )
QVector3D	project (const QMatrix4x4 & modelView , const QMatrix4x4 & projection , const QRect & viewport ) const
QVector3D	unproject (const QMatrix4x4 & modelView , const QMatrix4x4 & projection , const QRect & viewport ) const

类 QWheelEvent :

Qt::MouseEventSource

source () const

类 QWindow :

void	requestUpdate ()

类 QCamera :

void	setViewfinderSettings (const QCameraViewfinderSettings & settings )
QList<QCamera::FrameRateRange>	supportedViewfinderFrameRateRanges (const QCameraViewfinderSettings & settings ) const
QList<QVideoFrame::PixelFormat>	supportedViewfinderPixelFormats (const QCameraViewfinderSettings & settings ) const
QList<QSize>	supportedViewfinderResolutions (const QCameraViewfinderSettings & settings ) const
QList<QCameraViewfinderSettings>	supportedViewfinderSettings (const QCameraViewfinderSettings & settings ) const
QCameraViewfinderSettings	viewfinderSettings () const

类 QCameraImageProcessing :

QCameraImageProcessing::ColorFilter	colorFilter () const
bool	isColorFilterSupported (QCameraImageProcessing::ColorFilter filter ) const
void	setColorFilter (QCameraImageProcessing::ColorFilter filter )

类 QCameraViewfinderSettings :

bool	operator!= (const QCameraViewfinderSettings & lhs , const QCameraViewfinderSettings & rhs )
bool	operator== (const QCameraViewfinderSettings & lhs , const QCameraViewfinderSettings & rhs )

类 QHostAddress :

QDebug	operator<< (QDebug debug , QSslEllipticCurve curve )
uint	qHash (QSslEllipticCurve curve , uint seed )
void	setAddress (const quint8 * ip6Addr )

类 QNetworkAccessManager :

void	preSharedKeyAuthenticationRequired (QNetworkReply * reply , QSslPreSharedKeyAuthenticator * authenticator )

类 QNetworkCacheMetaData :

QDebug

operator<< (QDebug debug , QSslEllipticCurve curve )

类 QNetworkReply :

void	preSharedKeyAuthenticationRequired (QSslPreSharedKeyAuthenticator * authenticator )

类 QOcspResponse :

bool	operator!= (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
bool	operator== (QSslEllipticCurve lhs , QSslEllipticCurve rhs )

类 QSslConfiguration :

QVector<QSslEllipticCurve>	ellipticCurves () const
void	setEllipticCurves (const QVector<QSslEllipticCurve> & curves )
QList<QSslCipher>	supportedCiphers ()
QVector<QSslEllipticCurve>	supportedEllipticCurves ()
QList<QSslCertificate>	systemCaCertificates ()

类 QSslDiffieHellmanParameters :

QDebug	operator<< (QDebug debug , QSslEllipticCurve curve )
bool	operator== (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
uint	qHash (QSslEllipticCurve curve , uint seed )

类 QSslEllipticCurve :

bool	operator!= (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
QDebug	operator<< (QDebug debug , QSslEllipticCurve curve )
bool	operator== (QSslEllipticCurve lhs , QSslEllipticCurve rhs )

类 QSslPreSharedKeyAuthenticator :

bool	operator!= (const QSslPreSharedKeyAuthenticator & lhs , const QSslPreSharedKeyAuthenticator & rhs )
bool	operator!= (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
bool	operator== (const QSslPreSharedKeyAuthenticator & lhs , const QSslPreSharedKeyAuthenticator & rhs )
bool	operator== (QSslEllipticCurve lhs , QSslEllipticCurve rhs )

类 QSslSocket :

void	preSharedKeyAuthenticationRequired (QSslPreSharedKeyAuthenticator * authenticator )

类 QGeoCircle :

QString

toString () const

类 QGeoRectangle :

QString

toString () const

类 QGeoShape :

QGeoCoordinate	center () const
QString	toString () const

类 QJSEngine :

QJSEngine *

qjsEngine (const QObject * object )

类 QQuickWidget :

QQuickWindow *

quickWindow () const

类 QSGSimpleTextureNode :

void	setSourceRect (const QRectF & r )
void	setSourceRect (qreal x , qreal y , qreal w , qreal h )
QRectF	sourceRect () const

类 QAbstractScrollArea :

QMargins

viewportMargins () const

类 QFrame :

void	initStyleOption (QStyleOptionFrame * option ) const

类 QGraphicsScene :

void	setSelectionArea (const QPainterPath & path , Qt::ItemSelectionOperation selectionOperation , Qt::ItemSelectionMode mode , const QTransform & deviceTransform )

类 QOpenGLWidget :

void	setUpdateBehavior (QOpenGLWidget::UpdateBehavior updateBehavior )
QOpenGLWidget::UpdateBehavior	updateBehavior () const

类 QPlainTextEdit :

QMenu *

createStandardContextMenu (const QPoint & position )

类 QSpacerItem :

QSizePolicy

sizePolicy () const

名称空间中的新函数

char *	toString (QSizePolicy sp )
char *	toString (QSizePolicy::ControlType ct )
char *	toString (QSizePolicy::ControlTypes cts )
char *	toString (QSizePolicy::Policy p )

新全局函数

bool	operator!= (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
bool	operator!= (const QSslPreSharedKeyAuthenticator & lhs , const QSslPreSharedKeyAuthenticator & rhs )
bool	operator!= (const QCameraViewfinderSettings & lhs , const QCameraViewfinderSettings & rhs )
QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
const QVector4D	operator/ (const QVector4D & vector , const QVector4D & divisor )
const QVector3D	operator/ (const QVector3D & vector , const QVector3D & divisor )
const QVector2D	operator/ (const QVector2D & vector , const QVector2D & divisor )
QDebug	operator<< (QDebug debug , QSslEllipticCurve curve )
bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator== (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
bool	operator== (const QSslPreSharedKeyAuthenticator & lhs , const QSslPreSharedKeyAuthenticator & rhs )
bool	operator== (const QCameraViewfinderSettings & lhs , const QCameraViewfinderSettings & rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )
int	qEnvironmentVariableIntValue (const char * varName , bool * ok )
int	qEnvironmentVariableIntValue (const char * varName , bool * ok )
uint	qHash (QSslEllipticCurve curve , uint seed )
uint	qHash (QSslEllipticCurve curve , uint seed )
uint	qHash (const QSet<T> & key , uint seed )
uint	qHashRange (InputIterator first , InputIterator last , uint seed )
uint	qHashRangeCommutative (InputIterator first , InputIterator last , uint seed )
QPixelFormat	qPixelFormatAlpha (uchar channelSize , QPixelFormat::TypeInterpretation typeInterpretation )
QJSEngine *	qjsEngine (const QObject * object )
void	swap (QPair<T1, T2> & lhs , QPair<T1, T2> & rhs )

新宏

	Q_ENUM ( ... )
	Q_ENUM ( ... )
	Q_FLAG ( ... )
	Q_FLAG ( ... )
	qCInfo ( category , const char * message , ... )
	qCInfo ( category )
	qCInfo ( category , const char * message , ... )
	qCInfo ( category )
	qInfo (const char * message , ... )
	qInfo (const char * message , ... )

新枚举类型

enum	ColorFilter { ColorFilterNone, ColorFilterGrayscale, ColorFilterNegative, ColorFilterSolarize, ColorFilterSepia, …, ColorFilterVendor }
enum	Transformation { TransformationNone, TransformationMirror, TransformationFlip, TransformationRotate180, TransformationRotate90, …, TransformationRotate270 }
enum	ComparisonFunction { CompareLessEqual, CompareGreaterEqual, CompareLess, CompareGreater, CompareEqual, …, CompareNever }
enum	ComparisonMode { CompareRefToTexture, CompareNone }
enum	UpdateBehavior { NoPartialUpdate, PartialUpdate }
enum	TabFocusBehavior { NoTabFocus, TabFocusTextControls, TabFocusListControls, TabFocusAllControls }

新特性

center : const
radius : const
altitude : const
isValid : const
latitude : const
longitude : const
bottomLeft : const
bottomRight : const
center : const
height : const
topLeft : const

topRight : const
width : const
isEmpty : const
isValid : const
type : const
selectedIndexes : const
devicePixelRatio : const
breakEnabled : const
singleClickActivation : const
tabFocusBehavior : const

新 QML 类型

A: AbstractAxisInput; AbstractTexture; AbstractTextureImage; AxisSetting

B: BlendEquation; BlendEquationArguments

C: Camera; CameraLens; CameraSelector; CircularGauge; CircularGaugeStyle; ClipPlane; Component3D

D: DelayButton; DelayButtonStyle; Dial; DialStyle

E: Entity; EntityLoader

F: FilterKey; FrameAction; FrameGraphNode

G: Gauge; GaugeStyle; GraphicsApiFilter

I: ItemSelectionModel

K: KeyboardDevice; KeyboardHandler; KeyEvent

L: 层; LayerFilter

M: Material; MouseDevice; MouseEvent; MouseHandler

N: Node; NodeInstantiator; NoDraw

P: PieMenu; PieMenuStyle; PointLight

R: RenderStateSet

S: ShaderProgram; Shortcut; SkyboxEntity; SpotLight; StatusIndicator; StatusIndicatorStyle

T: Texture1D; Texture1DArray; Texture2D; Texture2DArray; Texture2DMultisample; Texture2DMultisampleArray; Texture3D; TextureBuffer; TextureCubeMap; TextureCubeMapArray; TextureImage; TextureRectangle; ToggleButton; ToggleButtonStyle; TreeView; TreeViewStyle; Tumbler; TumblerColumn; TumblerStyle

W: WheelEvent

新 QML 特性

	autoTransform
	colorFilter
	direction
	height
	polling
	scrollGestureEnabled
	shortcuts
	styleHints
	width

新 QML 信号

	smartZoom ()
	tagFound ()
	tagRemoved ()

新 QML 方法

	getDataAsArrayBuffer ()
	hsva ()
	shapeToCircle ()
	shapeToRectangle ()
	supportedViewfinderFrameRateRanges ()
	supportedViewfinderResolutions ()

其它 Qt 5 发行的补充

内容

其它 Qt 5 发行的补充