Qt 6.3 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 6.3.

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
新的变量
新 QML 类型
新 QML 特性
新 QML 方法

新类

O: QOpcUaDataValue; QOpcUaHistoryData; QOpcUaHistoryReadRawRequest; QOpcUaHistoryReadResponse

W: QWaylandPresentationTime; WhenAnyResult ( QtFuture )

新成员函数

bool	hasSeries (QAbstract3DSeries * series ) const

类 QBluetoothDeviceInfo :

QByteArray	serviceData (const QBluetoothUuid & serviceId ) const
QMultiHash<QBluetoothUuid, QByteArray>	serviceData () const
QList<QBluetoothUuid>	serviceIds () const
bool	setServiceData (const QBluetoothUuid & serviceId , const QByteArray & data )

类 QByteArray :

bool	isValidUtf8 () const

类 QByteArrayList :

QByteArray

join (QByteArrayView separator ) const

类 QByteArrayMatcher :

qsizetype

indexIn (QByteArrayView data , qsizetype from ) const

类 QByteArrayView :

bool	isValidUtf8 () const
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
QByteArrayView	trimmed () const

类 QCborArray :

QCborArray

fromJsonArray (QJsonArray && array )

类 QCborMap :

QCborMap

fromJsonObject (QJsonObject && obj )

类 QCollator :

int	defaultCompare (QStringView s1 , QStringView s2 )
QCollatorSortKey	defaultSortKey (QStringView key )

类 QCryptographicHash :

QByteArrayView

resultView () const

类 QDebug :

QDebug

operator<< (QDebug debug , const QVarLengthArray<T, P> & array )

类 QDir :

bool	mkdir (const QString & dirName , QFile::Permissions permissions ) const

类 QDirIterator :

QFileInfo

nextFileInfo ()

类 QDoubleValidator :

virtual void

fixup (QString & input ) const override

类 QFile :

std::filesystem::path	filesystemSymLinkTarget () const
std::filesystem::path	filesystemSymLinkTarget (const std::filesystem::path & fileName )
bool	open (QIODeviceBase::OpenMode mode , QFileDevice::Permissions permissions )

类 QFontComboBox :

std::optional<QFont>	displayFont (const QString & fontFamily ) const
QString	sampleTextForFont (const QString & fontFamily ) const
QString	sampleTextForSystem (QFontDatabase::WritingSystem writingSystem ) const
void	setDisplayFont (const QString & fontFamily , const QFont & font )
void	setSampleTextForFont (const QString & fontFamily , const QString & sampleText )
void	setSampleTextForSystem (QFontDatabase::WritingSystem writingSystem , const QString & sampleText )

类 QFontMetrics :

QRect	boundingRect (const QString & text , const QTextOption & option ) const
int	horizontalAdvance (const QString & text , const QTextOption & option ) const
QRect	tightBoundingRect (const QString & text , const QTextOption & option ) const

类 QFontMetricsF :

QRectF	boundingRect (const QString & text , const QTextOption & option ) const
qreal	horizontalAdvance (const QString & text , const QTextOption & option ) const
QRectF	tightBoundingRect (const QString & text , const QTextOption & option ) const

类 QInputDevice :

QStringList

seatNames ()

类 QLatin1StringView :

qsizetype

lastIndexOf (QChar ch , Qt::CaseSensitivity cs ) const

类 QLocalServer :

int	listenBacklogSize () const
void	setListenBacklogSize (int size )

类 QLocale :

QLocale::Language	codeToLanguage (QStringView languageCode , QLocale::LanguageCodeTypes codeTypes )
QString	languageToCode (QLocale::Language language , QLocale::LanguageCodeTypes codeTypes )

类 QEGLContext :

virtual EGLConfig	config () const = 0
virtual EGLDisplay	display () const = 0

类 QNetworkInformation :

bool	loadDefaultBackend ()
QNetworkInformation::Features	supportedFeatures () const

类 QNetworkReply :

void	requestSent ()
void	socketStartedConnecting ()

类 QObject :

QList<T>

findChildren (Qt::FindChildOptions options ) const

类 QOpcUaClient :

QOpcUaHistoryReadResponse *

readHistoryData (const QOpcUaHistoryReadRawRequest & request )

类 QOpcUaLocalizedText :

QDebug

operator<< (QDebug debug , const QOpcUaLocalizedText & text )

类 QOpcUaNode :

QOpcUaHistoryReadResponse *

readHistoryRaw (const QDateTime & startTime , const QDateTime & endTime , quint32 numValues , bool returnBounds )

类 QOpcUaQualifiedName :

QDebug

operator<< (QDebug debug , const QOpcUaQualifiedName & name )

类 QProcessEnvironment :

bool	inheritsFromParent () const

类 QQuickItem :

void	dumpItemTree () const
void	ensurePolished ()

类 QQuickRenderTarget :

qreal	devicePixelRatio () const
void	setDevicePixelRatio (qreal ratio )

类 QRegularExpressionMatch :

bool	hasCaptured (const QString & name ) const
bool	hasCaptured (QStringView name ) const
bool	hasCaptured (int nth ) const

类 QSemaphore :

bool	tryAcquire (int n , std::chrono::duration<Rep, Period> timeout )
bool	try_acquire ()
bool	try_acquire_for (const std::chrono::duration<Rep, Period> & timeout )
bool	try_acquire_until (const std::chrono::time_point<Clock, Duration> & tp )

类 QString :

qsizetype

lastIndexOf (QChar c , Qt::CaseSensitivity cs ) const

类 QStringView :

qsizetype

lastIndexOf (QChar c , Qt::CaseSensitivity cs ) const

类 QTableWidgetSelectionRange :

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

类 QTcpServer :

int	listenBacklogSize () const
void	setListenBacklogSize (int size )

类 QThreadPool :

void	startOnReservedThread (QRunnable * runnable )
void	startOnReservedThread (std::function<void ()> functionToRun )

类 QUrl :

QString	fromAce (const QByteArray & domain , QUrl::AceProcessingOptions options )
QByteArray	toAce (const QString & domain , QUrl::AceProcessingOptions options )

类 QUtf8StringView :

bool	isValidUtf8 () const

类 QVarLengthArray :

QVarLengthArray::iterator	emplace (QVarLengthArray::const_iterator pos , Args &&... args )
T &	emplace_back (Args &&... args )

类 QWidget :

QAction *	addAction (const QString & text )
QAction *	addAction (const QIcon & icon , const QString & text )
QAction *	addAction (const QString & text , const QObject * receiver , const char * member , Qt::ConnectionType type )
QAction *	addAction (const QIcon & icon , const QString & text , const QObject * receiver , const char * member , Qt::ConnectionType type )
QAction *	addAction (const QString & text , Args &&... args )
QAction *	addAction (const QIcon & icon , const QString & text , Args &&... args )
QAction *	addAction (const QString & text , const QKeySequence & shortcut )
QAction *	addAction (const QIcon & icon , const QString & text , const QKeySequence & shortcut )
QAction *	addAction (const QString & text , const QKeySequence & shortcut , const QObject * receiver , const char * member , Qt::ConnectionType type )
QAction *	addAction (const QIcon & icon , const QString & text , const QKeySequence & shortcut , const QObject * receiver , const char * member , Qt::ConnectionType type )
QAction *	addAction (const QString & text , const QKeySequence & shortcut , Args &&... args )
QAction *	addAction (const QIcon & icon , const QString & text , const QKeySequence & shortcut , Args &&... args )

名称空间中的新函数

void	failOnWarning (const char * message )
void	failOnWarning (const QRegularExpression & messagePattern )
QFuture<OutputSequence>	whenAll (Futures &&... futures )
QFuture<OutputSequence>	whenAll (InputIt first , InputIt last )
QFuture<std::variant<std::decay_t<Futures>...>>	whenAny (Futures &&... futures )
QFuture<QtFuture::WhenAnyResult<T>>	whenAny (InputIt first , InputIt last )

新全局函数

const char *

qWebEngineChromiumSecurityPatchVersion ()

新宏

	QT_TRID_N_NOOP ( id )
	QVERIFY_THROWS_EXCEPTION ( exceptiontype , ...)
	QVERIFY_THROWS_NO_EXCEPTION (...)
	Q_APPLICATION_STATIC ( Type , VariableName , ...)
	Q_GADGET_EXPORT ( EXPORT_MACRO )

新枚举类型

enum class	TransportMedium { Unknown, Ethernet, Cellular, WiFi, Bluetooth }
enum	Initialization { InheritFromParent }
enum	AceProcessingOption { IgnoreIDNWhitelist, AceTransitionalProcessing }

新特性

barSeriesMargin : const
rowColors : const
autoScaleY : const
maxYValue : const

minYValue : const
isMetered : const
transportMedium : const
wireframeColor : const

新的变量

	MacOSMonterey
	Windows10_1809
	Windows10_1903
	Windows10_1909
	Windows10_2004
	Windows10_20H2
	Windows10_21H1
	Windows10_21H2
	Windows11

新 QML 类型

D: DynamicBurst3D

F: FolderDialog

M: MessageDialog

P: ParticleCustomShape3D; PresentationTime

Q: QtShell; QtShellChrome; QtShellSurface

T: TreeView; TreeViewDelegate

新 QML 特性

QML Type Bar3DSeries :

rowColors : list<ThemeColor>

QML Type Bars3D :

barSeriesMargin : size

QML Type FileInstancing :

instanceCount : int

QML Type HeightMapSurfaceDataProxy :

	autoScaleY : real
	maxYValue : real
	minYValue : real

QML Type HoverHandler :

blocking : bool

QML Type InstanceList :

instanceCount : int

QML Type ParticleSystem3DLogging :

timeDeviation : real

QML Type SpriteParticle3D :

	lights : list<Light>
	offsetX : float
	offsetY : float

QML Type Surface3DSeries :

wireframeColor : color

QML Type TextMetrics :

renderType : enumeration

QML Type WheelHandler :

blocking : bool

新 QML 方法

QML Type AbstractGraph3D :

bool	hasSeries (Abstract3DSeries series )

QML Type Instancing :

color	instanceColor (int index )
vector3d	instanceCustomData (int index )
vector3d	instancePosition (int index )
quaternion	instanceRotation (int index )
vector3d	instanceScale (int index )

QML Type Item :

dumpItemTree ()

QML Type TestCase :

failOnWarning ( message )