Qt 6.4 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 6.4.

新类
新成员函数
名称空间中的新函数
新宏
新枚举类型
新特性
新的变量
新 QML 类型
新 QML 特性
新 QML 方法

新类

A: QAbstractHttpServer

H: QHttpServer; QHttpServerRequest; QHttpServerResponder; QHttpServerResponse; QHttpServerRouter; QHttpServerRouterRule

P: QPdfLink; QPdfPageNavigator

S: QSslServer

W: QWebEngineFileSystemAccessRequest; QWebSocketHandshakeOptions

新成员函数

类 QAbstractItemModelTester :

void	setUseFetchMore (bool value )

类 QByteArray :

QByteArray	percentDecoded (char percent ) const
void	resize (qsizetype newSize , char c )

类 QColor :

QColor	fromString (QAnyStringView name )
bool	isValidColorName (QAnyStringView name )

类 QColorTransform :

bool	isIdentity () const
QRgbaFloat16	map (QRgbaFloat16 rgbafp16 ) const
QRgbaFloat32	map (QRgbaFloat32 rgbafp32 ) const
bool	operator!= (const QColorTransform & ct1 , const QColorTransform & ct2 )
bool	operator== (const QColorTransform & ct1 , const QColorTransform & ct2 )

类 QDate :

QDate	addDuration (std::chrono::days ndays ) const
QDate	fromStdSysDays (const std::chrono::sys_days & days )

类 QDateTime :

QDateTime	addDuration (std::chrono::milliseconds msecs ) const
QDateTime	fromStdLocalTime (const std::chrono::local_time<std::chrono::milliseconds> & time )
QDateTime	fromStdTimePoint (const std::chrono::time_point<Clock, Duration> & time )
QDateTime	fromStdTimePoint (const std::chrono::local_time<std::chrono::milliseconds> & time )
QDateTime	fromStdZonedTime (const int & time )
QDateTime	operator+ (const QDateTime & dateTime , std::chrono::milliseconds duration )
QDateTime	operator+ (std::chrono::milliseconds duration , const QDateTime & dateTime )
QDateTime &	operator+= (std::chrono::milliseconds duration )
std::chrono::milliseconds	operator- (const QDateTime & lhs , const QDateTime & rhs )
QDateTime	operator- (const QDateTime & dateTime , std::chrono::milliseconds duration )
QDateTime &	operator-= (std::chrono::milliseconds duration )
std::chrono::sys_time<std::chrono::milliseconds>	toStdSysMilliseconds () const
std::chrono::sys_seconds	toStdSysSeconds () const

类 QFileInfo :

bool	isAlias () const

类 QFormLayout :

bool	isRowVisible (int row ) const
bool	isRowVisible (QWidget * widget ) const
bool	isRowVisible (QLayout * layout ) const
void	setRowVisible (int row , bool on )
void	setRowVisible (QWidget * widget , bool on )
void	setRowVisible (QLayout * layout , bool on )

类 QFuture :

QFuture<U>

unwrap ()

类 QHash :

auto	asKeyValueRange () &
auto	asKeyValueRange () const &
auto	asKeyValueRange () &&
auto	asKeyValueRange () const &&

类 QImage :

QImage	colorTransformed (const QColorTransform & transform ) const &
QImage	colorTransformed (const QColorTransform & transform ) &&

类 QJniEnvironment :

jfieldID	findField (jclass clazz , const char * fieldName )
jmethodID	findMethod (jclass clazz , const char * methodName )
jfieldID	findStaticField (jclass clazz , const char * fieldName )
jmethodID	findStaticMethod (jclass clazz , const char * methodName )

类 QJniObject :

auto	callMethod (const char * methodName , const char * signature , Args &&... args ) const
auto	callMethod (const char * methodName , Args &&... args ) const
QJniObject	callObjectMethod (const char * methodName , Args &&... args ) const
auto	callStaticMethod (const char * className , const char * methodName , const char * signature , Args &&... args )
auto	callStaticMethod (jclass clazz , jmethodID methodId , Args &&... args )
auto	callStaticMethod (const char * className , const char * methodName , Args &&... args )
auto	callStaticMethod (jclass clazz , const char * methodName , Args &&... args )
QJniObject	callStaticObjectMethod (const char * className , const char * methodName , Args &&... args )
QJniObject	callStaticObjectMethod (jclass clazz , const char * methodName , Args &&... args )
QJniObject	construct (Args &&... args )

类 QLatin1Char :

QLatin1Char

operator""_L1 (char ch )

类 QLatin1StringView :

const char *	constBegin () const
const char *	constData () const
const char *	constEnd () const
qsizetype	count (QStringView str , Qt::CaseSensitivity cs ) const
qsizetype	count (QLatin1StringView l1 , Qt::CaseSensitivity cs ) const
qsizetype	count (QChar ch , Qt::CaseSensitivity cs ) const
bool	empty () const
QLatin1Char	first () const
QLatin1Char	last () const
qsizetype	length () const
QLatin1StringView	operator""_L1 (const char * str , size_t size )
double	toDouble (bool * ok ) const
float	toFloat (bool * ok ) const
int	toInt (bool * ok , int base ) const
long	toLong (bool * ok , int base ) const
qlonglong	toLongLong (bool * ok , int base ) const
short	toShort (bool * ok , int base ) const
uint	toUInt (bool * ok , int base ) const
ulong	toULong (bool * ok , int base ) const
qulonglong	toULongLong (bool * ok , int base ) const
ushort	toUShort (bool * ok , int base ) const

类 QLine :

QLineF

toLineF () const

类 QListWidgetItem :

void	setTextAlignment (Qt::Alignment alignment )

类 QMap :

auto	asKeyValueRange () &
auto	asKeyValueRange () const &
auto	asKeyValueRange () &&
auto	asKeyValueRange () const &&

类 QMargins :

QMarginsF

toMarginsF () const

类 QMetaType :

size_t

qHash (QMetaType type , size_t seed )

类 QMqttSubscriptionProperties :

bool	noLocal () const
void	setNoLocal (bool noloc )

类 QMultiHash :

auto	asKeyValueRange () &
auto	asKeyValueRange () const &
auto	asKeyValueRange () &&
auto	asKeyValueRange () const &&

类 QMultiMap :

auto	asKeyValueRange () &
auto	asKeyValueRange () const &
auto	asKeyValueRange () &&
auto	asKeyValueRange () const &&

类 QMutexLocker :

bool	isLocked () const
QMutexLocker<Mutex> &	operator= (QMutexLocker<Mutex> && other )
void	swap (QMutexLocker<Mutex> & other )

类 QNetworkInformation :

bool	loadBackendByFeatures (QNetworkInformation::Features features )
bool	loadBackendByName (QStringView backend )

类 QObject :

bool	isQuickItemType () const
void	setObjectName (QAnyStringView name )

类 QPoint :

QPointF

toPointF () const

类 QPolygon :

QPolygonF

toPolygonF () const

类 QQmlApplicationEngine :

void	objectCreationFailed (const QUrl & url )

类 QQuickRenderTarget :

QQuickRenderTarget	fromD3D11Texture (void * texture , uint format , const QSize & pixelSize , int sampleCount )
QQuickRenderTarget	fromMetalTexture (MTLTexture * texture , uint format , const QSize & pixelSize , int sampleCount )
QQuickRenderTarget	fromOpenGLTexture (uint textureId , uint format , const QSize & pixelSize , int sampleCount )
QQuickRenderTarget	fromPaintDevice (QPaintDevice * device )
QQuickRenderTarget	fromVulkanImage (VkImage image , VkImageLayout layout , VkFormat format , const QSize & pixelSize , int sampleCount )
bool	mirrorVertically () const
void	setMirrorVertically (bool enable )

类 QRect :

QRectF

toRectF () const

类 QSGMaterialShader :

int	combinedImageSamplerCount (int binding ) const

类 QSize :

QSizeF

toSizeF () const

类 QStringView :

qsizetype	count (QLatin1StringView l1 , Qt::CaseSensitivity cs ) const
int	localeAwareCompare (QStringView other ) const

类 QTableWidgetItem :

void	setTextAlignment (Qt::Alignment alignment )

类 QTcpServer :

void	pendingConnectionAvailable ()

类 QTemporaryDir :

QTemporaryDir &	operator= (QTemporaryDir && other )
void	swap (QTemporaryDir & other )

类 QTextCursor :

void	insertMarkdown (const QString & markdown , QTextDocument::MarkdownFeatures features )

类 QTextDocumentFragment :

QTextDocumentFragment	fromMarkdown (const QString & markdown , QTextDocument::MarkdownFeatures features )
QString	toMarkdown (QTextDocument::MarkdownFeatures features ) const
QString	toRawText () const

类 QTextStream :

QTextStream &

operator>> (char16_t & c )

类 QTextToSpeech :

bool	setEngine (const QString & engine , const QVariantMap & params )

类 QTimeZone :

QTimeZone

fromStdTimeZonePtr (const int * timeZone )

类 QTreeWidgetItem :

void	setTextAlignment (int column , Qt::Alignment alignment )

类 QVarLengthArray :

void	resize (qsizetype size , const T & v )

类 QVersionNumber :

QVersionNumber

fromString (QAnyStringView string , qsizetype * suffixIndex )

类 QVoice :

QDataStream &	operator<< (QDataStream & stream , const QVoice & voice )
QDebug	operator<< (QDebug debug , const QVoice & voice )
QDataStream &	operator>> (QDataStream & stream , QVoice & voice )
void	swap (QVoice & other )

类 QVulkanWindow :

void	setEnabledFeaturesModifier (const QVulkanWindow::EnabledFeaturesModifier & modifier )

类 QWebSocket :

QWebSocketHandshakeOptions	handshakeOptions () const
void	open (const QUrl & url , const QWebSocketHandshakeOptions & options )
void	open (const QNetworkRequest & request , const QWebSocketHandshakeOptions & options )
QString	subprotocol () const

类 QWebSocketServer :

void	setSupportedSubprotocols (const QStringList & protocols )
QStringList	supportedSubprotocols () const

名称空间中的新函数

QByteArray	operator""_ba (const char * str , size_t size )
QString	operator""_s (const char16_t * str , size_t size )
bool	qIsPolishScheduled (const QQuickWindow * window )
bool	qWaitForPolish (const QQuickWindow * window , int timeout )
bool	qWaitForPolish (const QQuickItem * item , int timeout )

新宏

	QCOMPARE_EQ ( left , right )
	QCOMPARE_GE ( left , right )
	QCOMPARE_GT ( left , right )
	QCOMPARE_LE ( left , right )
	QCOMPARE_LT ( left , right )
	QCOMPARE_NE ( left , right )
	QTRY_COMPARE_EQ ( left , right )
	QTRY_COMPARE_EQ_WITH_TIMEOUT ( left , right , timeout )
	QTRY_COMPARE_GE ( left , right )
	QTRY_COMPARE_GE_WITH_TIMEOUT ( left , right , timeout )
	QTRY_COMPARE_GT ( left , right )
	QTRY_COMPARE_GT_WITH_TIMEOUT ( left , right , timeout )
	QTRY_COMPARE_LE ( left , right )
	QTRY_COMPARE_LE_WITH_TIMEOUT ( left , right , timeout )
	QTRY_COMPARE_LT ( left , right )
	QTRY_COMPARE_LT_WITH_TIMEOUT ( left , right , timeout )
	QTRY_COMPARE_NE ( left , right )
	QTRY_COMPARE_NE_WITH_TIMEOUT ( left , right , timeout )
	Q_CONSTINIT

新枚举类型

enum	PolygonMode { Fill, Line }

新特性

clearButtonEnabled : const
layoutEnabled : const
engine : const

locale : const
isOpaque : const

新的变量

	polygonMode
	MacOSVentura
	Windows11_21H2
	Windows11_22H2

新 QML 类型

B: BakedLightmap; BoxShape

C: CapsuleShape; CharacterController; CollisionShape; ColorDialog; ConvexMeshShape

D: DynamicRigidBody

F: FrameAnimation

H: HeightFieldGeometry; HeightFieldShape

I: InstanceModel; InstanceRepeater

L: Lightmapper; LineParticle3D; LookAtNode

P: PdfBookmarkModel; PdfPageImage; PhysicsBody; PhysicsMaterial; PhysicsNode; PhysicsWorld; PlaneShape

R: Repeller3D

S: ScaleAffector3D; SphereShape; StaticRigidBody; SystemInformation

T: TriangleMeshShape; TriggerBody

新 QML 特性

QML 类型 Model :

castsReflections : bool

QML 类型 ReflectionProbe :

debugView : bool

QML 类型 SceneEnvironment :

	skyBoxCubeMap : QtQuick3D::CubeMapTexture
	skyboxBlurAmount : float
	specularAAEnabled : bool

QML 类型 SpriteParticle3D :

castsReflections : bool

QML 类型 TableView :

	animate : bool
	keyNavigationEnabled : bool
	pointerNavigationEnabled : bool
	selectionBehavior : enumeration

QML 类型 View3D :

renderFormat : enumeration

QML 类型 WaylandSurface :

isOpaque : bool

QML 类型 WebSocket :

	negotiatedSubprotocol : QString
	requestedSubprotocols : QStringList

QML 类型 WebSocketServer :

supportedSubprotocols : QStringList

新 QML 方法

QML 类型 TableView :

point	cellAtIndex (QModelIndex modelIndex )
int	columnAtIndex (QModelIndex modelIndex )
QModelIndex	modelIndex (point cell )
int	rowAtIndex (QModelIndex modelIndex )

QML 类型 TreeView :

	collapseRecursively ( row )
	expandRecursively ( row , depth )
	expandToIndex (QModelIndex index )