Qt 5.15 中的新类和函数

此页面包含 Qt 5.15 引入的所有新类和函数的综合列表。Qt 5 之前发行的新 API 链接在此页面底部可找到。

新类
新成员函数
新全局函数
新枚举类型
新特性
新 QML 类型
新 QML 特性
新 QML 信号
新 QML 方法

新类

F: FromBase64Result ( QByteArray )

H: QHelpFilterSettingsWidget; QHelpLink

N: NativeTexture ( QSGTexture )

P: QPdfDestination; QPdfSelection

Q: QQuick3D; QQuick3DGeometry; QQuick3DObject

R: QRenderCapabilities ( Qt3DRender )

新成员函数

类 FromBase64Result :

bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QChar :

bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QConcatenateTablesProxyModel :

QList<QAbstractItemModel *>

sourceModels () const

类 QFile :

bool	moveToTrash ()
bool	moveToTrash (const QString & fileName , QString * pathInTrash )

类 QFileInfo :

bool	isJunction () const

类 QHash :

void	insert (const QHash<K, V> & other )

类 QIdentityProxyModel :

virtual bool	moveColumns (const QModelIndex & sourceParent , int sourceColumn , int count , const QModelIndex & destinationParent , int destinationChild ) override
virtual bool	moveRows (const QModelIndex & sourceParent , int sourceRow , int count , const QModelIndex & destinationParent , int destinationChild ) override

类 QKeyValueIterator :

bool	operator!= (const QMetaType & a , const QMetaType & b )
QKeyValueIterator::pointer	operator-> () const
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QMap :

void	insert (const QMap<Key, T> & map )

类 QMetaProperty :

bool	isRequired () const

类 QMetaType :

QMetaType	fromType ()
::QByteArray	name () const
bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QPair :

bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QProcess :

QStringList

splitCommand (QStringView 命令 )

类 QRegularExpression :

QString	anchoredPattern (QStringView 表达式 )
QString	escape (QStringView str )
QString	wildcardToRegularExpression (QStringView pattern )

类 QResource :

QByteArray	uncompressedData () const
qint64	uncompressedSize () const

类 QRunnable :

QRunnable *

create (std::function<void ()> functionToRun )

类 QScopedPointer :

bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QSignalMapper :

void	mappedInt (int i )
void	mappedObject (QObject * object )
void	mappedString (const QString & text )
void	mappedWidget (QWidget * widget )

类 QSocketNotifier :

void	activated (QSocketDescriptor socket , QSocketNotifier::Type type )

类 QSortFilterProxyModel :

void	filterCaseSensitivityChanged (Qt::CaseSensitivity filterCaseSensitivity )
void	filterRoleChanged (int filterRole )
void	recursiveFilteringEnabledChanged (bool recursiveFilteringEnabled )
void	sortCaseSensitivityChanged (Qt::CaseSensitivity sortCaseSensitivity )
void	sortLocaleAwareChanged (bool sortLocaleAware )
void	sortRoleChanged (int sortRole )

类 QStateMachine :

int	postDelayedEvent (QEvent * event , std::chrono::milliseconds delay )

类 QString :

bool	isValidUtf16 () const

类 QStringView :

bool	isValidUtf16 () const

类 QThread :

bool	wait (QDeadlineTimer deadline )

类 QThreadPool :

void	start (std::function<void ()> functionToRun , int priority )
bool	tryStart (std::function<void ()> functionToRun )

类 QTranslator :

QString	filePath () const
QString	语言 () const

类 QVarLengthArray :

bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

类 QXmlStreamReader :

int	entityExpansionLimit () const
void	setEntityExpansionLimit (int limit )

类 qfloat16 :

qfloat16

copySign (qfloat16 sign ) const

类 QColorSpace :

QVariant

operator QVariant () const

类 QCursor :

QBitmap	bitmap ( Qt::ReturnByValueConstant ) const
QBitmap	mask ( Qt::ReturnByValueConstant ) const

类 QPdfWriter :

void	addFileAttachment (const QString & fileName , const QByteArray & data , const QString & mimeType )
QByteArray	documentXmpMetadata () const
void	setDocumentXmpMetadata (const QByteArray & xmpMetadata )

类 QPlatformWindow :

virtual bool	startSystemMove ()
virtual bool	startSystemResize (Qt::Edges edges )

类 QScreen :

QScreen *

virtualSiblingAt (QPoint point )

类 QVulkanInstance :

void	presentAboutToBeQueued (QWindow * window )

类 QVulkanWindow :

uint32_t	graphicsQueueFamilyIndex () const
void	setQueueCreateInfoModifier (const QVulkanWindow::QueueCreateInfoModifier & modifier )

类 QWindow :

bool	startSystemMove ()
bool	startSystemResize (Qt::Edges edges )

类 QHelpEngineCore :

QList<QHelpLink>	documentsForIdentifier (const QString & id ) const
QList<QHelpLink>	documentsForIdentifier (const QString & id , const QString & filterName ) const
QList<QHelpLink>	documentsForKeyword (const QString & keyword ) const
QList<QHelpLink>	documentsForKeyword (const QString & keyword , const QString & filterName ) const

类 QHelpFilterEngine :

QList<QVersionNumber>	availableVersions () const
QStringList	indices () const
QStringList	indices (const QString & filterName ) const

类 QHelpIndexModel :

QHelpEngineCore *

helpEngine () const

类 QHelpIndexWidget :

void	documentActivated (const QHelpLink & document , const QString & keyword )
void	documentsActivated (const QList<QHelpLink> & documents , const QString & keyword )

类 QCamera :

void	errorOccurred (QCamera::Error value )

类 QMediaPlayer :

void	setVideoOutput (const QVector<QAbstractVideoSurface > & surfaces* )

类 QVideoFrame :

QImage

image () const

类 QAbstractSocket :

void	errorOccurred (QAbstractSocket::SocketError socketError )

类 QLocalSocket :

void	errorOccurred (QLocalSocket::LocalSocketError socketError )

类 QNetworkAccessManager :

void	setTransferTimeout (int timeout )
int	transferTimeout () const

类 QNetworkReply :

void	errorOccurred (QNetworkReply::NetworkError code )

类 QNetworkRequest :

void	setTransferTimeout (int timeout )
int	transferTimeout () const

类 QSslCertificate :

QList<QSslCertificate>

fromPath (const QString & path , QSsl::EncodingFormat format , QSslCertificate::PatternSyntax syntax )

类 QSslConfiguration :

void	addCaCertificate (const QSslCertificate & certificate )
bool	addCaCertificates (const QString & path , QSsl::EncodingFormat format , QSslCertificate::PatternSyntax syntax )
void	addCaCertificates (const QList<QSslCertificate> & certificates )

类 QSslSocket :

void	newSessionTicketReceived ()
QList<QSslError>	sslHandshakeErrors () const

类 QQmlIncubationController :

void	incubateWhile (std::atomic<bool> * flag , int msecs )

类 QQmlIncubator :

void	setInitialProperties (const QVariantMap & initialProperties )

类 QQmlIncubatorPrivate :

RequiredProperties &

requiredProperties ()

类 QSGTexture :

QSGTexture::NativeTexture

nativeTexture () const

类 QSvgRenderer :

QTransform

transformForElement (const QString & id ) const

类 QWebSocket :

quint64	maxAllowedIncomingFrameSize () const
quint64	maxAllowedIncomingMessageSize () const
quint64	maxIncomingFrameSize ()
quint64	maxIncomingMessageSize ()
quint64	maxOutgoingFrameSize ()
quint64	outgoingFrameSize () const
void	setMaxAllowedIncomingFrameSize (quint64 maxAllowedIncomingFrameSize )
void	setMaxAllowedIncomingMessageSize (quint64 maxAllowedIncomingMessageSize )
void	setOutgoingFrameSize (quint64 outgoingFrameSize )

类 QButtonGroup :

void	idClicked (int id )
void	idPressed (int id )
void	idReleased (int id )
void	idToggled (int id , bool checked )

类 QLabel :

QPicture	picture ( Qt::ReturnByValueConstant ) const
QPixmap	pixmap ( Qt::ReturnByValueConstant ) const

类 QTabBar :

bool	isTabVisible (int index ) const
void	setTabVisible (int index , bool visible )

类 QTabWidget :

bool	isTabVisible (int index ) const
void	setTabVisible (int index , bool visible )

类 QWizard :

QList<int>

visitedIds () const

类 QDomDocument :

bool	setContent (QXmlStreamReader * reader , bool namespaceProcessing , QString * errorMsg , int * errorLine , int * errorColumn )

新全局函数

bool	operator!= (const QMetaType & a , const QMetaType & b )
bool	operator== (const QMetaType & a , const QMetaType & b )

新枚举类型

enum	TransferTimeoutConstant { DefaultTransferTimeoutConstant }
enum	Format { GLSL, SPIRV }
enum class	PatternSyntax { RegularExpression, Wildcard, FixedString }
enum	ReturnByValueConstant { ReturnByValue }

新特性

placeholderText : const
showDebugOverlay : const
videoSurface : const
uiLanguage : const
updateAxesContinuously : const

renderCapabilities : const
format : const
aspectRatioMode : const
videoSurface : const

新 QML 类型

B: Bounds

C: CullMode

D: DepthInput

P: PdfDocument; PdfLinkModel; PdfNavigationStack; PdfSearchModel; PdfSelection

Q: Quaternion; QuaternionAnimation

R: RenderCapabilities

S: SetUniformValue; SpotLight

新 QML 特性

	antialiasingMode
	antialiasingQuality
	backend
	backend
	backend
	backend
	cursorShape
	cursorShape
	dragThreshold
	effects
	flushMode
	format
	renderCapabilities
	reuseItems
	showDebugOverlay
	sourceClipRect
	staticFlags
	temporalAAStrength
	uiLanguage
	updateAxesContinuously
	videoOutput
	videoSurface

新 QML 信号

errorOccurred ()

新 QML 方法

	lookAt ()
	lookAt ()
	start ()
	stop ()

其它 Qt 5 发行的补充

内容

其它 Qt 5 发行的补充