Qt 6.1 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 6.1.

• 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
• 新的变量

新类

J

QJniEnvironment

QJniObject

QJSManagedValue

QJSPrimitiveNull

QJSPrimitiveUndefined

QJSPrimitiveValue

N

QNetworkInformation

新成员函数

类 QByteArray :

QByteArray::iterator	erase (QByteArray::const_iterator first , QByteArray::const_iterator last )
qsizetype	erase (QByteArray & ba , const T & t )
qsizetype	erase_if (QByteArray & ba , Predicate pred )
QByteArray &	removeIf (Predicate pred )

类 QColorSpace :

void	setTransferFunction (const QList<uint16_t> & transferFunctionTable )
void	setTransferFunctions (const QList<uint16_t> & redTransferFunctionTable , const QList<uint16_t> & greenTransferFunctionTable , const QList<uint16_t> & blueTransferFunctionTable )
QColorSpace	withTransferFunction (const QList<uint16_t> & transferFunctionTable ) const
QColorSpace	withTransferFunctions (const QList<uint16_t> & redTransferFunctionTable , const QList<uint16_t> & greenTransferFunctionTable , const QList<uint16_t> & blueTransferFunctionTable ) const

类 QFuture :

QFuture<T>	onCanceled (QObject * context , Function && handler )
QFuture<T>	onFailed (QObject * context , Function && handler )
QFuture<ResultType<Function>>	then (QObject * context , Function && function )

类 QHash :

qsizetype	erase_if (QHash<Key, T> & hash , Predicate pred )
qsizetype	removeIf (Predicate pred )

类 QJSEngine :

void	throwError (const QJSValue & error )

类 QJSPrimitiveValue :

bool	operator!= (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
QJSPrimitiveValue	operator* (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
QJSPrimitiveValue	operator+ (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
QJSPrimitiveValue	operator- (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
QJSPrimitiveValue	operator/ (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
bool	operator< (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
bool	operator<= (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
bool	operator== (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
bool	operator> (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )
bool	operator>= (const QJSPrimitiveValue & lhs , const QJSPrimitiveValue & rhs )

类 QLabel :

QTextDocument::ResourceProvider	resourceProvider () const
void	setResourceProvider (const QTextDocument::ResourceProvider & provider )

类 QLayout :

void	unsetContentsMargins ()

类 QList :

qsizetype	erase (QList<T> & list , const AT & t )
qsizetype	erase_if (QList<T> & list , Predicate pred )
qsizetype	removeIf (Predicate pred )

类 QLocale :

QLocale::Script	codeToScript (QStringView scriptCode )
QString	scriptToCode (QLocale::Script script )

类 QMap :

qsizetype	erase_if (QMap<Key, T> & map , Predicate pred )
QMap::size_type	removeIf (Predicate pred )

类 QMetaType :

bool	hasRegisteredDataStreamOperators () const

类 QMultiHash :

qsizetype	erase_if (QMultiHash<Key, T> & hash , Predicate pred )
qsizetype	removeIf (Predicate pred )

类 QMultiMap :

qsizetype	erase_if (QMultiMap<Key, T> & map , Predicate pred )
QMultiMap::size_type	removeIf (Predicate pred )

类 QSGOpenGLTexture :

QSGTexture *

fromNativeExternalOES (GLuint textureId , QQuickWindow * window , const QSize & size , QQuickWindow::CreateTextureOptions options )

类 QNetworkCookie :

QNetworkCookie::SameSite	sameSitePolicy () const
void	setSameSitePolicy (QNetworkCookie::SameSite sameSite )

类 QOperatingSystemVersion :

QVersionNumber

version () const

类 QQmlPropertyMap :

void	freeze ()
void	insert (const QVariantHash & 值 )

类 QQuickGraphicsConfiguration :

QByteArrayList

preferredInstanceExtensions ()

类 QSet :

qsizetype	erase_if (QSet<T> & set , Predicate pred )
QSet::iterator	insert (QSet::const_iterator it , const T & value )

类 QSocketNotifier :

bool	isValid () const
void	setSocket (qintptr socket )

类 QSslSocket :

QString	activeBackend ()
QList<QString>	availableBackends ()
QList<QSsl::ImplementedClass>	implementedClasses (const QString & backendName )
bool	isClassImplemented (QSsl::ImplementedClass cl , const QString & backendName )
bool	isFeatureSupported (QSsl::SupportedFeature ft , const QString & backendName )
bool	isProtocolSupported (QSsl::SslProtocol protocol , const QString & backendName )
bool	setActiveBackend (const QString & backendName )
QList<QSsl::SupportedFeature>	supportedFeatures (const QString & backendName )
QList<QSsl::SslProtocol>	supportedProtocols (const QString & backendName )

类 QString :

QString::iterator	erase (QString::const_iterator first , QString::const_iterator last )
qsizetype	erase (QString & s , const T & t )
qsizetype	erase_if (QString & s , Predicate pred )
QString	fromUtf8 (const char8_t * str )
QString &	removeIf (Predicate pred )

类 QStringView :

QStringView::const_iterator	constBegin () const
QStringView::const_iterator	constEnd () const
bool	contains (const QRegularExpression & re , QRegularExpressionMatch * rmatch ) const
qsizetype	count (const QRegularExpression & re ) const
qsizetype	indexOf (const QRegularExpression & re , qsizetype from , QRegularExpressionMatch * rmatch ) const
qsizetype	lastIndexOf (const QRegularExpression & re , qsizetype from , QRegularExpressionMatch * rmatch ) const

类 QStyle :

QString

name () const

类 QTextDocument :

QTextDocument::ResourceProvider	defaultResourceProvider ()
QTextDocument::ResourceProvider	resourceProvider () const
void	setDefaultResourceProvider (const QTextDocument::ResourceProvider & provider )
void	setResourceProvider (const QTextDocument::ResourceProvider & provider )

类 QUntypedBindable :

bool	isReadOnly () const
QUntypedPropertyBinding	takeBinding ()

类 QVarLengthArray :

qsizetype	erase (QVarLengthArray<T, Prealloc> & array , const AT & t )
qsizetype	erase_if (QVarLengthArray<T, Prealloc> & array , Predicate pred )
qsizetype	removeAll (const AT & t )
qsizetype	removeIf (Predicate pred )
bool	removeOne (const AT & t )

名称空间中的新函数

QFuture<T>	makeExceptionalFuture (std::exception_ptr exception )
QFuture<T>	makeExceptionalFuture (const QException & exception )
QFuture<T>	makeReadyFuture (const QList<T> & 值 )
QFuture<void>	makeReadyFuture ()
QFuture<std::decay_t<T>>	makeReadyFuture (T && value )

新全局函数

typename std::enable_if_t<std::is_unsigned_v<T> || std::is_signed_v<T>, bool>	qAddOverflow (T v1 , T v2 , T * result )
auto	qHypot (Tx x , Ty y , Tz z )
auto	qHypot (Tx x , Ty y )
auto	qHypot (F first , Fs... rest )
typename std::enable_if_t<std::is_unsigned_v<T> || std::is_signed_v<T>, bool>	qMulOverflow (T v1 , T v2 , T * result )
typename std::enable_if_t<std::is_unsigned_v<T> || std::is_signed_v<T>, bool>	qSubOverflow (T v1 , T v2 , T * result )

新枚举类型

enum class	SameSite { Default, None, Lax, Strict }
enum class	ImplementedClass { Key, Certificate, Socket, DiffieHellman, EllipticCurve, …, DtlsCookie }
enum class	SupportedFeature { CertificateVerification, ClientSideAlpn, ServerSideAlpn, Ocsp, Psk, …, Alerts }

新类型别名

ResourceProvider

新特性

• sortIndicatorClearable : const

新的变量

	Android10
	Android11
	AndroidOreo_MR1
	AndroidPie