Qt 5.14 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.14. 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
新特性
新 QML 类型
新 QML 特性
新 QML 方法

新名称空间

namespace

QColorConstants

新类

C: QCalendar; QColorSpace; QColorTransform

D: QDepthRange ( Qt3DRender )

G: GraphicsPipelineState ( QSGMaterialRhiShader ); GraphicsStateInfo ( QQuickWindow ); QGeoPositionInfoSourceFactoryV2; QGregorianCalendar

H: QHttp2Configuration

J: QJalaliCalendar; QJulianCalendar

M: QMilankovicCalendar

N: QNoPicking ( Qt3DRender )

O: QOpcUaApplicationRecordDataType; QOpcUaGdsClient; QOpcUaKeyPair; QOpcUaX509CertificateSigningRequest; QOpcUaX509DistinguishedName; QOpcUaX509Extension; QOpcUaX509ExtensionBasicConstraints; QOpcUaX509ExtensionExtendedKeyUsage; QOpcUaX509ExtensionKeyUsage; QOpcUaX509ExtensionSubjectAlternativeName

Q: QQmlEngineExtensionPlugin

R: QRasterMode ( Qt3DRender ); QRecursiveMutex; QRomanCalendar; RenderState ( QSGMaterialRhiShader )

S: QSGMaterialRhiShader; QShaderImage ( Qt3DRender ); QSubtreeEnabler ( Qt3DRender )

T: QTextureDataUpdate ( Qt3DRender )

W: QWaylandIdleInhibitManagerV1; QWaylandQuickShellIntegration; QWaylandXdgOutputManagerV1; QWebEngineFindTextResult

新成员函数

类 QTransform :

QMatrix4x4

worldMatrix () const

类 QAbstractTexture :

void	updateData (const Qt3DRender::QTextureDataUpdate & update )

类 QLowEnergyController :

QLowEnergyController *

createCentral (const QBluetoothAddress & remoteDevice , const QBluetoothAddress & localDevice , QObject * parent )

类 QAtomicInteger :

T	loadRelaxed () const
void	storeRelaxed (T newValue )

类 QAtomicPointer :

T *	loadRelaxed () const
void	storeRelaxed (T * newValue )

类 QBasicTimer :

QBasicTimer &

operator= (QBasicTimer && other )

类 FromBase64Result :

uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )

类 QDate :

QDateTime	endOfDay (const QTimeZone & zone ) const
bool	setDate (int year , int month , int day , QCalendar cal )
QDateTime	startOfDay (const QTimeZone & zone ) const

类 QJsonDocument :

const QJsonValue

operator[] (QStringView key ) const

类 QJsonObject :

QJsonObject::const_iterator	constFind (QStringView key ) const
bool	contains (QStringView key ) const
QJsonObject::iterator	find (QStringView key )
QJsonObject::const_iterator	find (QStringView key ) const
QJsonObject::iterator	insert (QStringView key , const QJsonValue & value )
QJsonObject::iterator	insert (QLatin1String key , const QJsonValue & value )
QJsonValue	operator[] (QStringView key ) const
QJsonValueRef	operator[] (QStringView key )
void	remove (QStringView key )
void	remove (QLatin1String key )
QJsonValue	take (QStringView key )
QJsonValue	take (QLatin1String key )
QJsonValue	value (QStringView key ) const

类 QJsonValue :

const QJsonValue

operator[] (QStringView key ) const

类 QLineF :

QLineF::IntersectionType

intersects (const QLineF & line , QPointF * intersectionPoint ) const

类 QList :

uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )

类 QLocale :

QDate	toDate (const QString & string , QLocale::FormatType format , QCalendar cal ) const
QDate	toDate (const QString & string , const QString & format , QCalendar cal ) const
QDateTime	toDateTime (const QString & string , QLocale::FormatType format , QCalendar cal ) const
QDateTime	toDateTime (const QString & string , const QString & format , QCalendar cal ) const
QString	toString (const QDate & date , QStringView format , QCalendar cal ) const
QString	toString (const QDate & date , QLocale::FormatType format , QCalendar cal ) const
QString	toString (const QDateTime & dateTime , QLocale::FormatType format , QCalendar cal ) const
QString	toString (const QDateTime & dateTime , QStringView format , QCalendar cal ) const

类 QMetaProperty :

int	relativePropertyIndex () const

类 QPoint :

QPoint

transposed () const

类 QPointF :

QPointF

transposed () const

类 QRegExp :

uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )

类 QSharedPointer :

std::shared_ptr<X>	qSharedPointerObjectCast (const std::shared_ptr<T> & src )
std::shared_ptr<X>	qSharedPointerObjectCast (std::shared_ptr<T> && src )
std::shared_ptr<X>	qobject_pointer_cast (const std::shared_ptr<T> & src )
std::shared_ptr<X>	qobject_pointer_cast (std::shared_ptr<T> && src )

类 QString :

int	compare (QChar ch , Qt::CaseSensitivity cs ) const
bool	contains (QStringView str , Qt::CaseSensitivity cs ) const
int	indexOf (QStringView str , int from , Qt::CaseSensitivity cs ) const
int	lastIndexOf (QStringView str , int from , Qt::CaseSensitivity cs ) const
QStringList	split (const QString & sep , Qt::SplitBehavior behavior , Qt::CaseSensitivity cs ) const
QStringList	split (QChar sep , Qt::SplitBehavior behavior , Qt::CaseSensitivity cs ) const
QStringList	split (const QRegExp & rx , Qt::SplitBehavior behavior ) const
QStringList	split (const QRegularExpression & re , Qt::SplitBehavior behavior ) const
QVector<QStringRef>	splitRef (const QString & sep , Qt::SplitBehavior behavior , Qt::CaseSensitivity cs ) const
QVector<QStringRef>	splitRef (QChar sep , Qt::SplitBehavior behavior , Qt::CaseSensitivity cs ) const
QVector<QStringRef>	splitRef (const QRegExp & rx , Qt::SplitBehavior behavior ) const
QVector<QStringRef>	splitRef (const QRegularExpression & re , Qt::SplitBehavior behavior ) const

类 QStringList :

QStringList	filter (QStringView str , Qt::CaseSensitivity cs ) const
QString	join (QStringView separator ) const
QStringList &	replaceInStrings (QStringView before , QStringView after , Qt::CaseSensitivity cs )
QStringList &	replaceInStrings (const QString & before , QStringView after , Qt::CaseSensitivity cs )
QStringList &	replaceInStrings (QStringView before , const QString & after , Qt::CaseSensitivity cs )

类 QStringMatcher :

qsizetype

indexIn (QStringView str , qsizetype from ) const

类 QStringRef :

int	compare (QChar ch , Qt::CaseSensitivity cs ) const
bool	contains (QStringView str , Qt::CaseSensitivity cs ) const
int	indexOf (QStringView str , int from , Qt::CaseSensitivity cs ) const
int	lastIndexOf (QStringView str , int from , Qt::CaseSensitivity cs ) const
QVector<QStringRef>	split (const QString & sep , Qt::SplitBehavior behavior , Qt::CaseSensitivity cs ) const
QVector<QStringRef>	split (QChar sep , Qt::SplitBehavior behavior , Qt::CaseSensitivity cs ) const

类 QStringView :

uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )
int	toWCharArray (wchar_t * array ) const

类 QVarLengthArray :

uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )

类 QVector :

QVector<T> &	operator= (std::initializer_list<T> args )
uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )
void	swapItemsAt (int i , int j )

类 qfloat16 :

bool	isNormal () const

类 QDBusObjectPath :

QVariant

operator QVariant () const

类 QAbstractTextDocumentLayout :

QTextBlock

blockWithMarkerAt (const QPointF & pos ) const

类 QColor :

QColor

toExtendedRgb () const

类 QFontMetrics :

qreal

fontDpi () const

类 QFontMetricsF :

qreal

fontDpi () const

类 QGuiApplication :

Qt::HighDpiScaleFactorRoundingPolicy	highDpiScaleFactorRoundingPolicy ()
void	setHighDpiScaleFactorRoundingPolicy (Qt::HighDpiScaleFactorRoundingPolicy policy )

类 QImage :

void	applyColorTransform (const QColorTransform & transform )
QColorSpace	colorSpace () const
void	convertToColorSpace (const QColorSpace & colorSpace )
QImage	convertedToColorSpace (const QColorSpace & colorSpace ) const
void	setColorSpace (const QColorSpace & colorSpace )

类 QOpenGLTexture :

void	setData (int xOffset , int yOffset , int zOffset , int width , int height , int depth , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int xOffset , int yOffset , int zOffset , int width , int height , int depth , int mipLevel , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int xOffset , int yOffset , int zOffset , int width , int height , int depth , int mipLevel , int layer , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int xOffset , int yOffset , int zOffset , int width , int height , int depth , int mipLevel , int layer , QOpenGLTexture::CubeMapFace face , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )
void	setData (int xOffset , int yOffset , int zOffset , int width , int height , int depth , int mipLevel , int layer , QOpenGLTexture::CubeMapFace face , int layerCount , QOpenGLTexture::PixelFormat sourceFormat , QOpenGLTexture::PixelType sourceType , const void * data , const QOpenGLPixelTransferOptions const options* )

类 QPlatformFontDatabase :

bool	isFamilyPopulated (const QString & familyName )

类 QTextBlockFormat :

QTextBlockFormat::MarkerType	marker () const
void	setMarker (QTextBlockFormat::MarkerType marker )

类 QTextDocument :

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

类 QTextTableCellFormat :

qreal	bottomBorder () const
QBrush	bottomBorderBrush () const
QTextFrameFormat::BorderStyle	bottomBorderStyle () const
qreal	leftBorder () const
QBrush	leftBorderBrush () const
QTextFrameFormat::BorderStyle	leftBorderStyle () const
qreal	rightBorder () const
QBrush	rightBorderBrush () const
QTextFrameFormat::BorderStyle	rightBorderStyle () const
void	setBorder (qreal width )
void	setBorderBrush (const QBrush & brush )
void	setBorderStyle (QTextFrameFormat::BorderStyle style )
void	setBottomBorder (qreal width )
void	setBottomBorderBrush (const QBrush & brush )
void	setBottomBorderStyle (QTextFrameFormat::BorderStyle style )
void	setLeftBorder (qreal width )
void	setLeftBorderBrush (const QBrush & brush )
void	setLeftBorderStyle (QTextFrameFormat::BorderStyle style )
void	setRightBorder (qreal width )
void	setRightBorderBrush (const QBrush & brush )
void	setRightBorderStyle (QTextFrameFormat::BorderStyle style )
void	setTopBorder (qreal width )
void	setTopBorderBrush (const QBrush & brush )
void	setTopBorderStyle (QTextFrameFormat::BorderStyle style )
qreal	topBorder () const
QBrush	topBorderBrush () const
QTextFrameFormat::BorderStyle	topBorderStyle () const

类 QTextTableFormat :

bool	borderCollapse () const
void	setBorderCollapse (bool borderCollapse )

类 QWheelEvent :

QPointF

position () const

类 QKnxNetIpServerInfo :

QHostAddress	hostAddress () const
QNetworkInterface	networkInterface () const

类 QMqttClient :

void	connectToHostEncrypted (const QSslConfiguration & conf )

类 QAudioDeviceInfo :

QString

realm () const

类 QMediaContent :

QNetworkRequest

request () const

类 QNetworkAccessManager :

bool	autoDeleteReplies () const
void	setAutoDeleteReplies (bool shouldAutoDelete )

类 QNetworkRequest :

QHttp2Configuration	http2Configuration () const
void	setHttp2Configuration (const QHttp2Configuration & configuration )

类 QJSEngine :

bool	isInterrupted () const
void	setInterrupted (bool interrupted )

类 QQmlApplicationEngine :

void	setInitialProperties (const QVariantMap & initialProperties )

类 QQmlComponent :

QObject *	createWithInitialProperties (const QVariantMap & initialProperties , QQmlContext * context )
void	setInitialProperties (QObject * component , const QVariantMap & properties )

类 QQmlEngine :

int	qmlRegisterAnonymousType (const char * uri , int versionMajor )
int	qmlRegisterSingletonInstance (const char * uri , int versionMajor , int versionMinor , const char * typeName , QObject * cppObject )
int	qmlRegisterSingletonType (const char * uri , int versionMajor , int versionMinor , const char * typeName , std::function<QObject (QQmlEngine , QJSEngine )> callback* )

类 QQuickView :

void	setInitialProperties (const QVariantMap & initialProperties )

类 QQuickWindow :

void	afterRenderPassRecording ()
void	beforeRenderPassRecording ()
void	beginExternalCommands ()
QSGTexture *	createTextureFromNativeObject (QQuickWindow::NativeObjectType type , const void * nativeObjectPtr , int nativeLayout , const QSize & size , QQuickWindow::CreateTextureOptions options ) const
void	endExternalCommands ()

类 QSGAbstractRenderer :

void	setProjectionMatrixToRect (const QRectF & rect , QSGAbstractRenderer::MatrixTransformFlags flags )

类 QSGRendererInterface :

bool	isApiRhiBased (QSGRendererInterface::GraphicsApi api )

类 QSGTexture :

int	comparisonKey () const
void	updateRhiTexture (QRhi * rhi , QRhiResourceUpdateBatch * resourceUpdates )

类 QCanBusDevice :

QCanBusDevice::CanBusStatus	busStatus () const
void	clearError ()
bool	hasBusStatus () const
void	resetController ()
void	setCanBusStatusGetter (std::function<CanBusStatus ()> busStatusGetter )
void	setResetControllerFunction (std::function<void ()> resetter )

类 QModbusDevice :

QIODevice *

device () const

类 QWaylandSurface :

bool	inputRegionContains (const QPointF & position ) const

类 QWaylandXdgPopup :

void	sendPopupDone ()

类 QWaylandXdgPopupV6 :

void	sendPopupDone ()

类 QWebEngineUrlRequestInfo :

QUrl	initiator () const

类 QWebSocketServer :

std::chrono::milliseconds	handshakeTimeout () const
int	handshakeTimeoutMS () const
void	setHandshakeTimeout (std::chrono::milliseconds msec )

类 QComboBox :

void	textActivated (const QString & text )
void	textHighlighted (const QString & text )

类 QDoubleSpinBox :

void	textChanged (const QString & text )

类 QFileDialog :

void	saveFileContent (const QByteArray & fileContent , const QString & fileNameHint )

类 QFileSystemModel :

void	setOption (QFileSystemModel::Option option , bool on )
bool	testOption (QFileSystemModel::Option option ) const

类 QGraphicsItemAnimation :

QTransform

transformAt (qreal step ) const

类 QGraphicsWidget :

void	setContentsMargins (QMarginsF margins )
void	setWindowFrameMargins (QMarginsF margins )

类 QSpinBox :

void	textChanged (const QString & text )

类 QWidget :

QScreen *

screen () const

名称空间中的新函数

QTextStream &	bin (QTextStream & stream )
QTextStream &	bom (QTextStream & stream )
QTextStream &	center (QTextStream & stream )
QTextStream &	dec (QTextStream & stream )
QTextStream &	endl (QTextStream & stream )
QTextStream &	fixed (QTextStream & stream )
QTextStream &	flush (QTextStream & stream )
QTextStream &	forcepoint (QTextStream & stream )
QTextStream &	forcesign (QTextStream & stream )
QTextStream &	hex (QTextStream & stream )
QTextStream &	left (QTextStream & stream )
QTextStream &	lowercasebase (QTextStream & stream )
QTextStream &	lowercasedigits (QTextStream & stream )
QTextStream &	noforcepoint (QTextStream & stream )
QTextStream &	noforcesign (QTextStream & stream )
QTextStream &	noshowbase (QTextStream & stream )
QTextStream &	oct (QTextStream & stream )
QTextStream &	reset (QTextStream & stream )
QTextStream &	right (QTextStream & stream )
QTextStream &	scientific (QTextStream & stream )
QTextStream &	showbase (QTextStream & stream )
QTextStream &	uppercasebase (QTextStream & stream )
QTextStream &	uppercasedigits (QTextStream & stream )
QTextStream &	ws (QTextStream & stream )

新全局函数

T	qExchange (T & obj , U && newValue )
T	qExchange (T & obj , U && newValue )
uint	qHash (const QVarLengthArray<T, Prealloc> & key , uint seed )
std::shared_ptr<X>	qSharedPointerObjectCast (std::shared_ptr<T> && src )
std::shared_ptr<X>	qSharedPointerObjectCast (const std::shared_ptr<T> & src )
int	qmlRegisterAnonymousType (const char * uri , int versionMajor )
int	qmlRegisterSingletonInstance (const char * uri , int versionMajor , int versionMinor , const char * typeName , QObject * cppObject )
int	qmlRegisterSingletonType (const char * uri , int versionMajor , int versionMinor , const char * typeName , std::function<QObject (QQmlEngine , QJSEngine )> callback* )
std::shared_ptr<X>	qobject_pointer_cast (std::shared_ptr<T> && src )
std::shared_ptr<X>	qobject_pointer_cast (const std::shared_ptr<T> & src )

新宏

	Q_NAMESPACE_EXPORT ( EXPORT_MACRO )
	Q_NAMESPACE_EXPORT ( EXPORT_MACRO )

新枚举类型

enum	BlendFactor { Zero, One, SrcColor, OneMinusSrcColor, DstColor, …, OneMinusSrc1Alpha }
enum	ColorMaskComponent { R, G, B, A }
enum	CullMode { CullNone, CullFront, CullBack }
enum class	ExclusionPolicy { None, Exclusive, ExclusiveOptional }
enum class	CanBusStatus { Unknown, Good, Warning, Error, BusOff }
enum class	YearRange { First, Last }
enum	Option { DontWatchForChanges, DontResolveSymlinks, DontUseCustomDirectoryIcons }
enum	NativeObjectType { NativeObjectTexture }
enum	MatrixTransformFlag { MatrixTransformFlipY }
enum class	MarkerType { NoMarker, Unchecked, Checked }
enum class	HighDpiScaleFactorRoundingPolicy { Unset, Round, Ceil, Floor, RoundPreferFloor, PassThrough }
enum	SplitBehaviorFlags { KeepEmptyParts, SkipEmptyParts }

新特性

exclusionPolicy : const
lens : const
transform : const
activatableServiceNames : const
options : const
buffersToClear : const
autoKeepAlive : const

entity : const
viewport : const
mouseDoubleClickDistance : const
touchDoubleTapDistance : const
markdown : const
worldMatrix : const
inhibitsIdle : const

新 QML 类型

B: BoundaryRule

D: DepthRange

I: IdleInhibitManagerV1

N: NoPicking

Q: QtRemoteObjects

R: RasterMode; RegularExpressionValidator

S: Scene3DView; ShaderImage; SubtreeEnabler

T: TableModel; TableModelColumn

X: XdgOutputManagerV1

新 QML 特性

	autoFadeIn
	autoFadeIn
	autoFadeIn
	autoFadeIn
	autoFadeIn
	buffersToClear
	compositingMode
	currentFrame
	currentFrame
	entity
	frameCount
	frameCount
	inhibitsIdle
	lens
	restoreMode
	transform
	viewport
	worldMatrix

新 QML 方法

	sendPopupDone ()
	sendPopupDone ()

其它 Qt 5 发行的补充

内容

其它 Qt 5 发行的补充