Qt 5.12 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.12. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

• 新名称空间
• 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
• 新类型别名
• 新特性
• 新 QML 类型
• 新 QML 特性
• 新 QML 信号
• 新 QML 方法

新名称空间

namespace

QMqtt

新类

B

Builder ( QKnxNetIpTunnelingInfoDibProxy )

C

ConstIterator ( QCborMap )

ConstIterator ( QCborArray )

QCborArray

QCborError

QCborMap

QCborParserError

QCborStreamReader

QCborStreamWriter

QCborValue

D

QDtls

QDtlsClientVerifier

E

ExtendedBuilder ( QKnxNetIpSearchResponseProxy )

ExtendedBuilder ( QKnxNetIpSearchRequestProxy )

G

GeneratorParameters ( QDtlsClientVerifier )

QGeoRouteLeg

I

Iterator ( QCborMap )

Iterator ( QCborArray )

K

QKnxCloudCover

QKnxCryptographicEngine

QKnxNetIpExtendedDeviceDibProxy

QKnxNetIpRouter

QKnxNetIpRoutingSystemBroadcastProxy

QKnxNetIpSecuredServiceFamiliesDibProxy

QKnxNetIpSecureWrapperProxy

QKnxNetIpSessionAuthenticateProxy

QKnxNetIpSessionRequestProxy

QKnxNetIpSessionResponseProxy

QKnxNetIpSessionStatusProxy

QKnxNetIpSrp

QKnxNetIpSrpProxy

QKnxNetIpTimerNotifyProxy

QKnxNetIpTunnelingFeatureGetProxy

QKnxNetIpTunnelingFeatureInfoProxy

QKnxNetIpTunnelingFeatureResponseProxy

QKnxNetIpTunnelingFeatureSetProxy

QKnxNetIpTunnelingInfoDibProxy

QKnxNetIpTunnelingSlotInfo

QKnxSecuredServiceInfo

M

MacAddress ( QKnxNetIpSrpProxy )

QMqttAuthenticationProperties

QMqttConnectionProperties

QMqttLastWillProperties

QMqttMessageStatusProperties

QMqttPublishProperties

QMqttServerConnectionProperties

QMqttStringPair

QMqttSubscriptionProperties

QMqttUnsubscriptionProperties

QMqttUserProperties

P

ProgrammingMode ( QKnxNetIpSrpProxy )

R

RequestDibs ( QKnxNetIpSrpProxy )

S

QScopeGuard

SupportedFamily ( QKnxNetIpSrpProxy )

W

QWaylandXdgDecorationManagerV1

QWaylandXdgPopup

QWaylandXdgShell

QWaylandXdgSurface

QWaylandXdgToplevel

QWebEngineUrlScheme

新成员函数

类 QBluetoothDeviceInfo :

QByteArray	manufacturerData (quint16 manufacturerId ) const
QHash<quint16, QByteArray>	manufacturerData () const
QVector<quint16>	manufacturerIds () const
bool	setManufacturerData (quint16 manufacturerId , const QByteArray & data )

类 QByteArray :

int	compare (const char * c , Qt::CaseSensitivity cs ) const
int	compare (const QByteArray & a , Qt::CaseSensitivity cs ) const
bool	isLower () const
bool	isUpper () const

类 QCryptographicHash :

int	hashLength (QCryptographicHash::Algorithm method )

类 QExplicitlySharedDataPointer :

T *

take ()

类 QMetaEnum :

const char *

enumName () const

类 QMetaEnumBuilder :

QByteArray	enumName () const
void	setEnumName (const QByteArray & alias )

类 QRegularExpression :

QString	anchoredPattern (const QString & 表达式 )
QString	wildcardToRegularExpression (const QString & pattern )

类 QSortFilterProxyModel :

void	setFilterRegularExpression (const QString & pattern )

类 QString :

int	compare (QStringView s , Qt::CaseSensitivity cs ) const
bool	isLower () const
bool	isUpper () const

类 QStringList :

bool	contains (QStringView str , Qt::CaseSensitivity cs ) const

类 QStringView :

int	compare (QStringView str , Qt::CaseSensitivity cs ) const

类 QTextStream :

QTextStream &

operator<< (QStringView string )

类 QTimer :

QMetaObject::Connection	callOnTimeout (Functor slot , Qt::ConnectionType connectionType )
QMetaObject::Connection	callOnTimeout (const QObject * context , Functor slot , Qt::ConnectionType connectionType )
QMetaObject::Connection	callOnTimeout (const QObject * receiver , MemberFunction * slot , Qt::ConnectionType connectionType )

类 QWaitCondition :

bool	wait (QMutex * lockedMutex , QDeadlineTimer deadline )
bool	wait (QReadWriteLock * lockedReadWriteLock , QDeadlineTimer deadline )

类 QDBusMessage :

bool	isInteractiveAuthorizationAllowed () const
void	setInteractiveAuthorizationAllowed (bool enable )

类 QBitmap :

QBitmap

fromImage (QImage && image , Qt::ImageConversionFlags flags )

类 QIcon :

QString	fallbackThemeName ()
void	setFallbackThemeName (const QString & name )

类 QImageReader :

QList<QByteArray>

imageFormatsForMimeType (const QByteArray & mimeType )

类 QImageWriter :

QList<QByteArray>

imageFormatsForMimeType (const QByteArray & mimeType )

类 QPainter :

void	fillRect (int x , int y , int width , int height , QGradient::Preset preset )
void	fillRect (const QRect & rectangle , QGradient::Preset preset )
void	fillRect (const QRectF & rectangle , QGradient::Preset preset )

类 QPalette :

const QBrush &

placeholderText () const

类 QStandardItem :

void	clearData ()

类 QStandardItemModel :

bool	clearItemData (const QModelIndex & index )

类 QTextBlockFormat :

int	headingLevel () const
void	setHeadingLevel (int level )

类 QTextImageFormat :

int	quality () const
void	setQuality (int quality )

类 QKnxAdditionalInfo :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxAddress :

quint8	mainOrAreaSection () const
quint8	middleOrLineSection () const
QDebug	operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )
quint16	subOrDeviceSection (QKnxAddress::Notation notation ) const

类 QKnxByteArray :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxControlField :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxDatapointType :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxDeviceManagementFrame :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxExtendedControlField :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxGroupAddressInfo :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxGroupAddressInfos :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxLinkLayerFrame :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxNetIpConnectionHeader :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxNetIpCriProxy :

QKnxAddress	individualAddress () const
bool	isExtended () const

类 Builder :

Builder &

setIndividualAddress (const QKnxAddress & address )

类 QKnxNetIpEndpointConnection :

void	connectToHost (const QHostAddress & address , quint16 port , QKnxNetIp::HostProtocol protocol )

类 QKnxNetIpFrame :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxNetIpFrameHeader :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxNetIpRoutingIndicationProxy :

QKnxLinkLayerFrame

cemi () const

类 Builder :

Builder &

setCemi (const QKnxLinkLayerFrame & cemi )

类 QKnxNetIpSearchRequestProxy :

QKnxNetIpSearchRequestProxy::ExtendedBuilder	extendedBuilder ()
QVector<QKnxNetIpSrp>	extendedSearchParameters () const
bool	isExtended () const

类 QKnxNetIpSearchResponseProxy :

QKnxNetIpSearchResponseProxy::ExtendedBuilder	extendedBuilder ()
bool	isExtended () const
QVector<QKnxNetIpDib>	optionalDibs () const
QVector<QKnxNetIpDib>	variableDibs () const

类 QKnxNetIpServerDiscoveryAgent :

QKnxNetIpServerDiscoveryAgent::DiscoveryModes	discoveryMode () const
QVector<QKnxNetIpSrp>	extendedSearchParameters () const
void	setDiscoveryMode (QKnxNetIpServerDiscoveryAgent::DiscoveryModes mode )
void	setExtendedSearchParameters (const QVector<QKnxNetIpSrp> & srps )

类 QKnxNetIpServerInfo :

QKnxNetIpDib	extendedHardware () const
quint16	maskVersion () const
quint16	maximumLocalApduLength () const
QKnx::MediumStatus	mediumStatus () const
QKnxNetIpDib	tunnelingInfo () const
QVector<QKnxNetIpTunnelingSlotInfo>	tunnelingSlotInfos () const

类 QKnxNetIpStructHeader :

typename std::enable_if<is_type<T, QKnxNetIp::SearchParameterType>::value, bool>::type	isMandatory () const
QDebug	operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )
typename std::enable_if<is_type<T, QKnxNetIp::SearchParameterType>::value, void>::type	setMandatory (bool value )

类 QKnxNetIpStruct :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QKnxNetIpTunnel :

bool	sendTunnelingFeatureGet (QKnx::InterfaceFeature feature )
bool	sendTunnelingFeatureSet (QKnx::InterfaceFeature feature , const QKnxByteArray & value )
void	tunnelingFeatureInfoReceived (QKnx::InterfaceFeature feature , QKnxByteArray value )
void	tunnelingFeatureResponseReceived (QKnx::InterfaceFeature feature , QKnx::ReturnCode code , QKnxByteArray value )

类 QKnxTpdu :

QDebug

operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )

类 QGeoRoute :

QList<QGeoRouteLeg>	routeLegs () const
void	setRouteLegs (const QList<QGeoRouteLeg> & legs )

类 QGeoRouteSegment :

bool	isLegLastSegment () const

类 QGeoServiceProviderFactoryV3 :

virtual void

setQmlEngine (QQmlEngine * engine )

类 QMqttClient :

void	authenticate (const QMqttAuthenticationProperties & prop )
void	authenticationFinished (const QMqttAuthenticationProperties & p )
void	authenticationRequested (const QMqttAuthenticationProperties & p )
QMqttConnectionProperties	connectionProperties () const
QMqttLastWillProperties	lastWillProperties () const
void	messageStatusChanged (qint32 id , QMqtt::MessageStatus s , const QMqttMessageStatusProperties & properties )
qint32	publish (const QMqttTopicName & topic , const QMqttPublishProperties & properties , const QByteArray & message , quint8 qos , bool retain )
QMqttServerConnectionProperties	serverConnectionProperties () const
void	setConnectionProperties (const QMqttConnectionProperties & prop )
void	setLastWillProperties (const QMqttLastWillProperties & prop )
QMqttSubscription *	subscribe (const QMqttTopicFilter & topic , const QMqttSubscriptionProperties & properties , quint8 qos )
void	unsubscribe (const QMqttTopicFilter & topic , const QMqttUnsubscriptionProperties & properties )

类 QMqttMessage :

QMqttPublishProperties

publishProperties () const

类 QMqttSubscription :

QMqttUserProperties

userProperties () const

类 QMqttTopicFilter :

QString

sharedSubscriptionName () const

类 QSslCertificate :

QString	issuerDisplayName () const
QString	subjectDisplayName () const

类 QNearFieldManager :

void	adapterStateChanged (QNearFieldManager::AdapterState state )
bool	isSupported () const

类 QNearFieldTarget :

void	reportError (QNearFieldTarget::Error error , const QNearFieldTarget::RequestId & id )

类 QGeoPath :

void	clearPath ()

类 QGeoPolygon :

void	addHole (const QVariant & holePath )
void	addHole (const QList<QGeoCoordinate> & holePath )
const QVariantList	hole (int index ) const
const QList<QGeoCoordinate>	holePath (int index ) const
int	holesCount () const
void	removeHole (int index )

类 QJSEngine :

QJSValue	importModule (const QString & fileName )
QJSValue	newErrorObject (QJSValue::ErrorType errorType , const QString & message )

类 QJSValue :

QJSValue::ErrorType

errorType () const

类 QQmlComponent :

QQmlEngine *

engine () const

类 QQmlEngine :

int	qmlTypeId (const char * uri , int versionMajor , int versionMinor , const char * qmlName )
T	singletonInstance (int qmlTypeId )

类 QQuickStyle :

void	addStylePath (const QString & path )
QStringList	stylePathList ()

类 QRemoteObjectHostBase :

void	addHostSideConnection (QIODevice * ioDevice )

类 QRemoteObjectNode :

void	addClientSideConnection (QIODevice * ioDevice )
void	registerExternalSchema (const QString & schema , QRemoteObjectNode::RemoteObjectSchemaHandler handler )

类 QCanBusDevice :

void	clear (QCanBusDevice::Directions direction )
QVector<QCanBusFrame>	readAllFrames ()

类 QWaylandCompositor :

void	addSocketDescriptor (int fd )

类 QWaylandSeat :

void	sendKeyEvent (int qtKey , bool pressed )

类 QWebSocket :

qint64

bytesToWrite () const

类 QWebSocketServer :

qintptr	nativeDescriptor () const
bool	setNativeDescriptor (qintptr socketDescriptor )

类 QDoubleSpinBox :

void	setStepType (QAbstractSpinBox::StepType stepType )

类 QLayout :

int	indexOf (QLayoutItem * layoutItem ) const

类 QLineEdit :

void	inputRejected ()

类 QSpinBox :

void	setStepType (QAbstractSpinBox::StepType stepType )

名称空间中的新函数

QByteArray	deriveKeyPbkdf1 (QCryptographicHash::Algorithm algorithm , const QByteArray & data , const QByteArray & salt , int iterations , quint64 dkLen )
QByteArray	deriveKeyPbkdf2 (QCryptographicHash::Algorithm algorithm , const QByteArray & data , const QByteArray & salt , int iterations , quint64 dkLen )
bool	isInterfaceFeature (QKnx::InterfaceFeature feature )
bool	isStructType (QKnx::NetIp::SearchParameterType type )
char *	toString (const QCborError & c )
char *	toString (const std::tuple<Types...> & tuple )

新全局函数

QDebug	operator<< (QDebug debug , const QKnxNetIpStruct<QKnxNetIp::SearchParameterType> & srp )
void	qFromBigEndian (const void * src , qsizetype count , void * dest )
void	qFromLittleEndian (const void * src , qsizetype count , void * dest )
void	qToBigEndian (const void * src , qsizetype count , void * dest )
void	qToBigEndian (const void * src , qsizetype count , void * dest )
void	qToLittleEndian (const void * src , qsizetype count , void * dest )
void	qToLittleEndian (const void * src , qsizetype count , void * dest )
int	qmlTypeId (const char * uri , int versionMajor , int versionMinor , const char * qmlName )

新宏

	QT_TRANSLATE_N_NOOP ( context , sourceText )
	QT_TRANSLATE_N_NOOP ( context , sourceText )
	QT_TRANSLATE_N_NOOP3 ( context , sourceText , comment )
	QT_TRANSLATE_N_NOOP3 ( context , sourceText , comment )
	QT_TR_N_NOOP ( sourceText )
	QT_TR_N_NOOP ( sourceText )

新枚举类型

enum class	SearchParameterType { Unknown, Invalid, SelectByProgrammingMode, SelectByMACAddress, SelectByService, …, Reserved03 }
enum class	SecureSessionStatus { AuthenticationSuccess, AuthenticationFailed, Unauthenticated, Timeout, KeepAlive, …, Unknown }
enum class	Field { None, RSSI, ManufacturerData, All }
enum	Direction { Input, Output, AllDirections }
enum	HandshakeState { HandshakeNotStarted, HandshakeInProgress, PeerVerificationFailed, HandshakeComplete }
enum class	QDtlsError { NoError, InvalidInputParameters, InvalidOperation, UnderlyingSocketError, RemoteClosedConnectionError, …, TlsNonFatalError }
enum class	QDtlsError { NoError, InvalidInputParameters, InvalidOperation, UnderlyingSocketError, RemoteClosedConnectionError, …, TlsNonFatalError }
enum	Preset { WarmFlame, NightFade, SpringWarmth, JuicyPeach, YoungPassion, …, NumPresets }
enum	ErrorType { NoError, GenericError, EvalError, RangeError, ReferenceError, …, URIError }
enum class	EmiType { Unknown, EMI1, EMI2, cEMI }
enum class	InterfaceFeature { Unknown, SupportedEmiType, HostDeviceDescriptorType0, BusConnectionStatus, KnxManufacturerCode, …, InterfaceFeatureInfoServiceEnable }
enum class	MediumStatus { Unknown, CommunicationPossible, CommunicationImpossible }
enum class	ReturnCode { Success, SuccessWithCrc, MemoryError, CommandInvalid, CommandImpossible, …, Error }
enum	DiscoveryMode { CoreV1, CoreV2 }
enum class	MessageStatus { Unknown, Published, Acknowledged, Received, Released, Completed }
enum class	PayloadFormatIndicator { Unspecified, UTF8Encoded }
enum class	ReasonCode { Success, SubscriptionQoSLevel0, SubscriptionQoSLevel1, SubscriptionQoSLevel2, NoMatchingSubscriber, …, WildCardSubscriptionsNotSupported }
enum class	AdapterState { Offline, TurningOn, Online, TurningOff }

新类型别名

typedef

RemoteObjectSchemaHandler

新特性

focusOnTouch : const itemAlignment : const reason : const reasonCode : const sharedSubscription : const sharedSubscriptionName : const filterRegularExpression : const canRedo : const

canUndo : const clean : const redoText : const undoText : const tickAnchor : const tickInterval : const tickType : const

新 QML 类型

T

TableView

W

WavefrontMesh

X

XdgDecorationManagerV1

XdgPopup

XdgShell

XdgSurface

XdgToplevel

新 QML 特性

	defaultLogLevel
	orientation
	sortCaseSensitive
	synchronousDrag
	visibleArea

新 QML 信号

	finished ()
	finished ()

新 QML 方法

	action ()
	addSocketDescriptor ()
	coordToMercator ()
	等于 ()
	mercatorToCoord ()
	polygon ()
	sendKeyEvent ()

其它 Qt 5 发行的补充

• Qt 5.11 的新功能
• Qt 5.10 的新功能
• Qt 5.9 的新功能
• Qt 5.8 的新功能
• Qt 5.7 的新功能
• Qt 5.6 的新功能
• Qt 5.5 的新功能
• Qt 5.4 的新功能
• Qt 5.3 的新功能
• Qt 5.2 的新功能
• Qt 5.1 的新功能
• Qt 5.0 的新功能

内容

• 其它 Qt 5 发行的补充