Qt 5.11 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.11. 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
新枚举类型
新类型别名
新特性
新 QML 类型
新 QML 特性
新 QML 信号
新 QML 方法

新类

A: QAbstractItemModelTester; QAbstractRayCaster ( Qt3DRender )

C: QCustomAudioRoleControl

F: FilterRequest ( QWebEngineCookieStore )

G: QGeoServiceProviderFactoryV2

K: QKnxUtf8; QKnxUtf8String; QKnxVarString; QKnxVarString88591

P: PropertyPair ( QQmlContext ); QPdfPageRenderer

R: QRayCaster ( Qt3DRender ); QRayCasterHit ( Qt3DRender )

S: QScreenRayCaster ( Qt3DRender )

W: QWebEngineQuotaRequest; QWebEngineRegisterProtocolHandlerRequest

新成员函数

类 QTransform :

QQuaternion	fromAxes (const QVector3D & xAxis , const QVector3D & yAxis , const QVector3D & zAxis )
QMatrix4x4	rotateFromAxes (const QVector3D & xAxis , const QVector3D & yAxis , const QVector3D & zAxis )

类 QAbstractItemModel :

bool	checkIndex (const QModelIndex & index , QAbstractItemModel::CheckIndexOptions options ) const

类 QBitArray :

const char *	bits () const
QBitArray	fromBits (const char * data , qsizetype size )

类 QModelIndex :

QModelIndex	siblingAtColumn (int column ) const
QModelIndex	siblingAtRow (int row ) const

类 QScopedPointer :

T *	get () const

类 QSharedPointer :

T *	get () const

类 QString :

QString &

remove (QLatin1String str , Qt::CaseSensitivity cs )

类 QStringView :

bool	isRightToLeft () const

类 QSysInfo :

QByteArray	bootUniqueId ()
QByteArray	machineUniqueId ()

类 QUuid :

QByteArray	toByteArray (QUuid::StringFormat mode ) const
QString	toString (QUuid::StringFormat mode ) const

类 QVarLengthArray :

QVarLengthArray<T, Prealloc> &	operator+= (T && value )
QVarLengthArray<T, Prealloc> &	operator<< (T && value )

类 QVariant :

QVariant

fromStdVariant (const std::variant<Types...> & value )

类 QVector :

QVector<T> &	operator+= (T && value )
QVector<T> &	operator<< (T && value )

类 qfloat16 :

void	qFloatFromFloat16 (float * out , const qfloat16 * in , qsizetype len )
void	qFloatToFloat16 (qfloat16 * out , const float * in , qsizetype len )

类 QGamepadManager :

QString

gamepadName (int deviceId ) const

类 QFontMetrics :

int	horizontalAdvance (const QString & text , int len ) const
int	horizontalAdvance (QChar ch ) const

类 QFontMetricsF :

qreal	horizontalAdvance (const QString & text , int length ) const
qreal	horizontalAdvance (QChar ch ) const

类 QGuiApplication :

void	fontChanged (const QFont & font )

类 QIcon :

QStringList	fallbackSearchPaths ()
void	setFallbackSearchPaths (const QStringList & paths )

类 QGeoRouteRequest :

QVariantMap	extraParameters () const
void	setExtraParameters (const QVariantMap & extraParameters )

类 QMediaPlayer :

void	customAudioRoleChanged (const QString & role )
QStringList	supportedCustomAudioRoles () const

类 QVideoSurfaceFormat :

bool	isMirrored () const
void	setMirrored (bool mirrored )

类 QHostAddress :

bool	isBroadcast () const
bool	isGlobal () const
bool	isLinkLocal () const
bool	isSiteLocal () const
bool	isUniqueLocalUnicast () const

类 QNetworkAddressEntry :

void	clearAddressLifetime ()
QNetworkAddressEntry::DnsEligibilityStatus	dnsEligibility () const
bool	isLifetimeKnown () const
bool	isPermanent () const
bool	isTemporary () const
QDeadlineTimer	preferredLifetime () const
void	setAddressLifetime (QDeadlineTimer preferred , QDeadlineTimer validity )
void	setDnsEligibility (QNetworkAddressEntry::DnsEligibilityStatus status )
QDeadlineTimer	validityLifetime () const

类 QNetworkInterface :

int	maximumTransmissionUnit () const
QNetworkInterface::InterfaceType	type () const

类 QSslConfiguration :

QMap<QByteArray, QVariant>	backendConfiguration () const
void	setBackendConfiguration (const QMap<QByteArray, QVariant> & backendConfiguration )
void	setBackendConfigurationOption (const QByteArray & name , const QVariant & value )

类 QQmlContext :

void	setContextProperties (const QVector<QQmlContext::PropertyPair> & properties )

类 QRemoteObjectHostBase :

bool	proxy (const QUrl & registryUrl , const QUrl & hostUrl , QRemoteObjectHostBase::RemoteObjectNameFilter filter )
bool	reverseProxy (QRemoteObjectHostBase::RemoteObjectNameFilter filter )

类 QCanBusDeviceInfo :

int	channel () const
QString	description () const
QString	serialNumber () const

类 QWebEngineCookieStore :

void	setCookieFilter (const std::function<bool (const FilterRequest &)> & filterCallback )
void	setCookieFilter (std::function<bool (const FilterRequest &)> && filterCallback )

类 QWebEngineUrlRequestJob :

QUrl	initiator () const

类 QMenuBar :

QAction *	addAction (const QString & text , const Obj * receiver , PointerToMemberFunctionOrFunctor method )
QAction *	addAction (const QString & text , Functor functor )

名称空间中的新函数

char *	toString (const QVector4D & v )
char *	toString (const QVector3D & v )
char *	toString (const QVector2D & v )
char *	toString (const QUuid & uuid )
char *	toString (const QStringView & string )
char *	toString (const std::pair<T1, T2> & pair )
char *	toString (const QPair<T1, T2> & pair )

新全局函数

void	qFloatFromFloat16 (float * out , const qfloat16 * in , qsizetype len )
void	qFloatToFloat16 (qfloat16 * out , const float * in , qsizetype len )

新枚举类型

enum class	CheckIndexOption { NoOption, IndexIsValid, DoNotUseParent, ParentIsInvalid }
enum	DnsEligibilityStatus { DnsEligibilityUnknown, DnsIneligible, DnsEligible }
enum	StringFormat { WithBraces, WithoutBraces, Id128 }

新类型别名

(alias)

const_reference

新特性

firstSectionMovable : const
customAudioRole : const
containmentMask : const

persistedStore : const
mouseQuickSelectionThreshold : const

新 QML 类型

A: AbstractRayCaster

R: RayCaster

S: ScreenRayCaster

新 QML 特性

	containmentMask
	customAudioRole
	customAudioRole
	customAudioRole
	extraParameters
	flags
	isAvailable
	routeQuery
	status
	supportedColorFilters
	supportedExposureModes
	supportedFocusModes
	supportedWhiteBalanceModes

新 QML 信号

	doubleTapped ()
	singleTapped ()