Qt 6.1 中的新类和函数

本页面包含 Qt 6.1 中引入的所有新类和函数的完整列表。

新类
新成员函数
命名空间中的新函数
新增的全局函数
新增枚举类型
新的类型别名
新属性
新变量
新的 QML 类型
新的 QML 属性
新的 QML 信号
新的 QML 方法

新类

J: QJniEnvironment; QJniObject; QJSManagedValue; QJSPrimitiveNull; QJSPrimitiveUndefined; QJSPrimitiveValue

N: QNetworkInformation

新成员职能

`(since 6.1)` qsizetype	erase(QByteArray &ba, const T &t)
`(since 6.1)` QByteArray::iterator	erase(QByteArray::const_iterator first, QByteArray::const_iterator last)
`(since 6.1)` qsizetype	erase_if(QByteArray &ba, Predicate pred)
`(since 6.1)` QByteArray &	removeIf(Predicate pred)

QColorSpace 类：

`(since 6.1)` void	setTransferFunction(const QList<uint16_t> &transferFunctionTable)
`(since 6.1)` void	setTransferFunctions(const QList<uint16_t> &redTransferFunctionTable, const QList<uint16_t> &greenTransferFunctionTable, const QList<uint16_t> &blueTransferFunctionTable)
`(since 6.1)` QColorSpace	withTransferFunction(const QList<uint16_t> &transferFunctionTable) const
`(since 6.1)` QColorSpace	withTransferFunctions(const QList<uint16_t> &redTransferFunctionTable, const QList<uint16_t> &greenTransferFunctionTable, const QList<uint16_t> &blueTransferFunctionTable) const

QFuture 类：

`(since 6.1)` QFuture<T>	onCanceled(QObject *context, Function &&handler)
`(since 6.1)` QFuture<T>	onFailed(QObject *context, Function &&handler)
`(since 6.1)` QFuture<QFuture<T>::ResultType<Function>>	then(QObject *context, Function &&function)

QHash 类：

`(since 6.1)` qsizetype	erase_if(QHash<Key, T> &hash, Predicate pred)
`(since 6.1)` qsizetype	removeIf(Predicate pred)

QJSEngine 类：

(since 6.1) void throwError(const QJSValue &error)

QJSPrimitiveValue 类：

`(since 6.1)` bool	operator!=(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` QJSPrimitiveValue	operator(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs*)
`(since 6.1)` QJSPrimitiveValue	operator+(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` QJSPrimitiveValue	operator-(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` QJSPrimitiveValue	operator/(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator<(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator<=(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator==(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator>(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)
`(since 6.1)` bool	operator>=(const QJSPrimitiveValue &lhs, const QJSPrimitiveValue &rhs)

QLabel 类：

`(since 6.1)` QTextDocument::ResourceProvider	resourceProvider() const
`(since 6.1)` void	setResourceProvider(const QTextDocument::ResourceProvider &provider)

QLayout 类：

(since 6.1) void unsetContentsMargins()

QList 类：

`(since 6.1)` qsizetype	erase(QList<T> &list, const AT &t)
`(since 6.1)` qsizetype	erase_if(QList<T> &list, Predicate pred)
`(since 6.1)` qsizetype	removeIf(Predicate pred)

QLocale 类：

`(since 6.1)` QLocale::Script	codeToScript(QStringView scriptCode)
`(since 6.1)` QString	scriptToCode(QLocale::Script script)

QMap 类：

`(since 6.1)` qsizetype	erase_if(QMap<Key, T> &map, Predicate pred)
`(since 6.1)` QMap<Key, T>::size_type	removeIf(Predicate pred)

QMetaType 类：

(since 6.1) bool hasRegisteredDataStreamOperators() const

QMultiHash 类：

`(since 6.1)` qsizetype	erase_if(QMultiHash<Key, T> &hash, Predicate pred)
`(since 6.1)` qsizetype	removeIf(Predicate pred)

QMultiMap 类：

`(since 6.1)` qsizetype	erase_if(QMultiMap<Key, T> &map, Predicate pred)
`(since 6.1)` QMultiMap<Key, T>::size_type	removeIf(Predicate pred)

QSGOpenGLTexture 类：

(since 6.1) QSGTexture * fromNativeExternalOES(GLuint textureId, QQuickWindow *window, const QSize &size, QQuickWindow::CreateTextureOptions options = {})

QNetworkCookie 类：

`(since 6.1)` QNetworkCookie::SameSite	sameSitePolicy() const
`(since 6.1)` void	setSameSitePolicy(QNetworkCookie::SameSite sameSite)

QOperatingSystemVersion 类：

(since 6.1) QVersionNumber version() const

QQmlPropertyMap 类：

`(since 6.1)` void	freeze()
`(since 6.1)` void	insert(const QVariantHash &values)

QQuickGraphicsConfiguration 类：

(since 6.1) QByteArrayList preferredInstanceExtensions()

QSet 类：

`(since 6.1)` qsizetype	erase_if(QSet<T> &set, Predicate pred)
`(since 6.1)` QSet<T>::iterator	insert(T &&value)
`(since 6.1)` QSet<T>::iterator	insert(QSet<T>::const_iterator it, const T &value)
`(since 6.1)` qsizetype	removeIf(Pred pred)

QSocketNotifier 类：

`(since 6.1)` bool	isValid() const
`(since 6.1)` void	setSocket(qintptr socket)

QSslSocket 类：

`(since 6.1)` QString	activeBackend()
`(since 6.1)` QList<QString>	availableBackends()
`(since 6.1)` QList<QSsl::ImplementedClass>	implementedClasses(const QString &backendName = {})
`(since 6.1)` bool	isClassImplemented(QSsl::ImplementedClass cl, const QString &backendName = {})
`(since 6.1)` bool	isFeatureSupported(QSsl::SupportedFeature ft, const QString &backendName = {})
`(since 6.1)` bool	isProtocolSupported(QSsl::SslProtocol protocol, const QString &backendName = {})
`(since 6.1)` bool	setActiveBackend(const QString &backendName)
`(since 6.1)` QList<QSsl::SupportedFeature>	supportedFeatures(const QString &backendName = {})
`(since 6.1)` QList<QSsl::SslProtocol>	supportedProtocols(const QString &backendName = {})

QString 类：

`(since 6.1)` qsizetype	erase(QString &s, const T &t)
`(since 6.1)` QString::iterator	erase(QString::const_iterator first, QString::const_iterator last)
`(since 6.1)` qsizetype	erase_if(QString &s, Predicate pred)
`(since 6.1)` QString	fromUtf8(const char8_t *str)
`(since 6.1)` QString &	removeIf(Predicate pred)

QStringView 类：

`(since 6.1)` QStringView::const_iterator	constBegin() const
`(since 6.1)` QStringView::const_iterator	constEnd() const
`(since 6.1)` bool	contains(const QRegularExpression &re, QRegularExpressionMatch *rmatch = nullptr) const
`(since 6.1)` qsizetype	count(const QRegularExpression &re) const
`(since 6.1)` qsizetype	indexOf(const QRegularExpression &re, qsizetype from = 0, QRegularExpressionMatch *rmatch = nullptr) const
`(since 6.1)` qsizetype	lastIndexOf(const QRegularExpression &re, qsizetype from, QRegularExpressionMatch *rmatch = nullptr) const

QStyle 类：

(since 6.1) QString name() const

QTextDocument 类：

`(since 6.1)` QTextDocument::ResourceProvider	defaultResourceProvider()
`(since 6.1)` QTextDocument::ResourceProvider	resourceProvider() const
`(since 6.1)` void	setDefaultResourceProvider(const QTextDocument::ResourceProvider &provider)
`(since 6.1)` void	setResourceProvider(const QTextDocument::ResourceProvider &provider)

QUntypedBindable 类：

`(since 6.1)` bool	isReadOnly() const
`(since 6.1)` QUntypedPropertyBinding	takeBinding()

QVarLengthArray 类：

`(since 6.1)` qsizetype	erase(QVarLengthArray<T, Prealloc> &array, const AT &t)
`(since 6.1)` qsizetype	erase_if(QVarLengthArray<T, Prealloc> &array, Predicate pred)
`(since 6.1)` qsizetype	removeAll(const AT &t)
`(since 6.1)` qsizetype	removeIf(Predicate pred)
`(since 6.1)` bool	removeOne(const AT &t)

QVirtualKeyboardAbstractInputMethod 类：

(since 6.1) virtual void clearInputMode()

QVirtualKeyboardTrace 类：

(since 6.1) void startHideTimer(int delayMs)

命名空间中的新函数

`(since 6.1)` QFuture<T>	makeExceptionalFuture(std::__exception_ptr::exception_ptr exception)
`(since 6.1)` QFuture<T>	makeExceptionalFuture(const QException &exception)

新的全局函数

`(since 6.1)` typename std::enable_if_t<std::is_unsigned_v<T>, bool>	qAddOverflow(Tv1, Tv2, T*result)
`(since 6.1)` auto	qHypot(Txx, Tyy, Tzz)
`(since 6.1)` auto	qHypot(Txx, Tyy)
`(since 6.1)` auto	qHypot(Ffirst, Fs...rest)
`(since 6.1)` 类型名称 std::enable_if_t<std::is_unsigned_v<T> \|\| std::is_signed_v<T>, bool>	qMulOverflow(Tv1, Tv2, T*result)
`(since 6.1)` typename std::enable_if_t<std::is_unsigned_v<T>, bool>	qSubOverflow(Tv1, Tv2, T*result)

新的枚举类型

`(since 6.1)` enum class	SameSite { Default, None, Lax, Strict }
`(since 6.1)` enum class	ImplementedClass { Key, Certificate, Socket, DiffieHellman, EllipticCurve, …, DtlsCookie }
`(since 6.1)` enum class	SupportedFeature { CertificateVerification, ClientSideAlpn, ServerSideAlpn, Ocsp, Psk, …, Alerts }

新的类型别名

(since 6.1) ResourceProvider

新属性

(since 6.1) sortIndicatorClearable : bool
(since 6.1) keyboardObserver : QVirtualKeyboardObserver* const

新变量

`(since 6.1)` const QOperatingSystemVersion	Android10
`(since 6.1)` const QOperatingSystemVersion	Android11
`(since 6.1)` const QOperatingSystemVersion	AndroidOreo_MR1
`(since 6.1)` const QOperatingSystemVersion	AndroidPie

新的 QML 类型

F: FlickKey

V: VirtualKeyboard

新的 QML 属性

QML 类型BaseKey ：

(since 6.1) keyType : int

QML 类型InputContext ：

(since 6.1) keyboardObserver : KeyboardObserver

QML 类型VirtualKeyboardSettings ：

`(since 6.1)`	defaultDictionaryDisabled : bool
`(since 6.1)`	defaultInputMethodDisabled : bool
`(since 6.1)`	handwritingModeDisabled : bool
`(since 6.1)`	hwrTimeoutForAlphabetic : bool
`(since 6.1)`	hwrTimeoutForCjk : bool
`(since 6.1)`	inputMethodHints : int
`(since 6.1)`	userDataPath : bool

新的 QML 信号

(since 6.1) onRecycle(var traceCanvas)

新的 QML 方法

QML 类型Trace ：

(since 6.1) void startHideTimer(int delayMs)

QML 类型TraceCanvas ：

`(since 6.1)`	recycle()
`(since 6.1)`	renderClear()

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