内容

• 其它 Qt 5 发行的补充

Qt 5.5 中的新类和函数

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.5. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

• 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 信号
• 新 QML 方法

新类

A

QAbstractVideoFilter

QAbstractAxisInput ( Qt3DInput )

QAxisSetting ( Qt3DInput )

AssimpImporter ( Qt3DRender )

QAbstractTexture ( Qt3DRender )

QAbstractTextureImage ( Qt3DRender )

B

QBlendEquationArguments ( Qt3DRender )

C

QCameraViewfinderSettings

QCameraViewfinderSettingsControl2

QComponent ( Qt3DCore )

QCamera ( Qt3DRender )

QCameraLens ( Qt3DRender )

QCameraSelector ( Qt3DRender )

QClipPlane ( Qt3DRender )

E

QEntity ( Qt3DCore )

F

FrameRateRange ( QCamera )

QFrameAction ( Qt3DLogic )

QFilterKey ( Qt3DRender )

QFrameGraphNode ( Qt3DRender )

G

QGraphicsApiFilter ( Qt3DRender )

I

QInputAspect ( Qt3DInput )

K

QKeyEvent ( Qt3DInput )

QKeyboardDevice ( Qt3DInput )

QKeyboardHandler ( Qt3DInput )

L

QLayer ( Qt3DRender )

QLayerFilter ( Qt3DRender )

M

QMouseDevice ( Qt3DInput )

QMouseEvent ( Qt3DInput )

QMouseHandler ( Qt3DInput )

QMaterial ( Qt3DRender )

N

QNode ( Qt3DCore )

QNoDraw ( Qt3DRender )

O

QOpenGLFunctions_4_4_Compatibility

QOpenGLFunctions_4_4_Core

QOpenGLFunctions_4_5_Compatibility

QOpenGLFunctions_4_5_Core

P

QPlatformSurfaceEvent

QPointLight ( Qt3DRender )

R

QRenderStateSet ( Qt3DRender )

S

QSslEllipticCurve

QSslPreSharedKeyAuthenticator

QSkyboxEntity ( Qt3DExtras )

QShaderData ( Qt3DRender )

QShaderProgram ( Qt3DRender )

QSpotLight ( Qt3DRender )

T

QTexture1D ( Qt3DRender )

QTexture1DArray ( Qt3DRender )

QTexture2D ( Qt3DRender )

QTexture2DArray ( Qt3DRender )

QTexture2DMultisample ( Qt3DRender )

QTexture2DMultisampleArray ( Qt3DRender )

QTexture3D ( Qt3DRender )

QTextureBuffer ( Qt3DRender )

QTextureCubeMap ( Qt3DRender )

QTextureCubeMapArray ( Qt3DRender )

QTextureImage ( Qt3DRender )

QTextureImageData ( Qt3DRender )

QTextureRectangle ( Qt3DRender )

QTextureWrapMode ( Qt3DRender )

V

QVideoFilterRunnable

W

QWebEngineDownloadItem

QWebEngineProfile

QWebEngineScript

QWebEngineScriptCollection

QWindowsWindowFunctions

QWheelEvent ( Qt3DInput )

新成员函数

类 QDBusConnection :

bool	registerObject (const QString & path , const QString & interface , QObject * object , RegisterOptions options = ExportAdaptors)

类 QMessageLogger :

void	info (const char * msg , ... ) const
void	info (const QLoggingCategory & cat , const char * msg , ... ) const
void	info (CategoryFunction catFunc , const char * msg , ... ) const
QDebug	info () const
QDebug	info (const QLoggingCategory & cat ) const
QDebug	info (CategoryFunction catFunc ) const

类 QDebug :

QDebug &	operator<< (char16_t t )
QDebug &	operator<< (char32_t t )

类 QLoggingCategory :

bool	isInfoEnabled () const

类 QTextStream :

bool	readLineInto (QString * line , qint64 maxlen = 0)

类 QItemSelectionModel :

QAbstractItemModel *	model ()
void	modelChanged (QAbstractItemModel * model )
void	setModel (QAbstractItemModel * model )

类 QJsonObject :

QJsonObject	fromVariantHash (const QVariantHash & hash )
QVariantHash	toVariantHash () const

类 QMetaMethod :

bool

invokeOnGadget (void * gadget , QGenericReturnArgument returnValue , QGenericArgument val0 = QGenericArgument( Q_NULLPTR ), QGenericArgument val1 = QGenericArgument(), QGenericArgument val2 = QGenericArgument(), QGenericArgument val3 = QGenericArgument(), QGenericArgument val4 = QGenericArgument(), QGenericArgument val5 = QGenericArgument(), QGenericArgument val6 = QGenericArgument(), QGenericArgument val7 = QGenericArgument(), QGenericArgument val8 = QGenericArgument(), QGenericArgument val9 = QGenericArgument()) const

bool

invokeOnGadget (void * gadget , QGenericArgument val0 = QGenericArgument( Q_NULLPTR ), QGenericArgument val1 = QGenericArgument(), QGenericArgument val2 = QGenericArgument(), QGenericArgument val3 = QGenericArgument(), QGenericArgument val4 = QGenericArgument(), QGenericArgument val5 = QGenericArgument(), QGenericArgument val6 = QGenericArgument(), QGenericArgument val7 = QGenericArgument(), QGenericArgument val8 = QGenericArgument(), QGenericArgument val9 = QGenericArgument()) const

类 QMetaEnum :

QMetaEnum

fromType ()

类 QMetaProperty :

QVariant	readOnGadget (const void * gadget ) const
bool	resetOnGadget (void * gadget ) const
bool	writeOnGadget (void * gadget , const QVariant & value ) const

类 QMetaType :

bool	等于 (const void * lhs , const void * rhs , int typeId , int * result )
const QMetaObject *	metaObject () const
bool	registerEqualsComparator ()
int	type (const QByteArray & typeName )

类 QVariant :

QPersistentModelIndex

toPersistentModelIndex () const

类 QAssociativeIterable :

const_iterator

find (const QVariant & key ) const

类 QState :

QSignalTransition *

addTransition (const QObject * sender , PointerToMemberFunction signal , QAbstractState * target )

类 QThread :

int	loopLevel () const

类 QDateTime :

QDateTime	fromCFDate (CFDateRef date )
QDateTime	fromNSDate (const NSDate * date )
CFDateRef	toCFDate () const
NSDate *	toNSDate () const

类 QPair :

void	swap (QPair & other )

类 QRegularExpression :

QRegularExpressionMatchIterator	globalMatch (const QStringRef & subjectRef , int offset = 0, MatchType matchType = NormalMatch, MatchOptions matchOptions = NoMatchOption) const
QRegularExpressionMatch	match (const QStringRef & subjectRef , int offset = 0, MatchType matchType = NormalMatch, MatchOptions matchOptions = NoMatchOption) const

类 QString :

QString	asprintf (const char * cformat , ... )
QString	fromStdU16String (const std::u16string & str )
QString	fromStdU32String (const std::u32string & str )
int	indexOf (const QRegularExpression & re , int from , QRegularExpressionMatch * rmatch ) const
QString &	insert (int position , const QStringRef & str )
QString &	insert (int position , const char * str )
QString &	insert (int position , const QByteArray & str )
int	lastIndexOf (const QRegularExpression & re , int from , QRegularExpressionMatch * rmatch ) const
QString &	prepend (const QChar * str , int len )
QString &	prepend (const QStringRef & str )
std::u16string	toStdU16String () const
std::u32string	toStdU32String () const
QString	vasprintf (const char * cformat , va_list ap )

类 QTimeZone :

QTimeZone	systemTimeZone ()
QTimeZone	utc ()

类 QVarLengthArray :

QVarLengthArray<T, Prealloc> &

operator= (std::initializer_list<T> list )

类 QVector :

void	append (const QVector<T> & value )

类 QImageReader :

bool	autoTransform () const
void	setAutoTransform (bool enabled )
QImageIOHandler::Transformations	transformation () const

类 QImageWriter :

bool	optimizedWrite () const
bool	progressiveScanWrite () const
void	setOptimizedWrite (bool optimize )
void	setProgressiveScanWrite (bool progressive )
void	setTransformation (QImageIOHandler::Transformations transform )
QImageIOHandler::Transformations	transformation () const

类 QWheelEvent :

Qt::MouseEventSource

source () const

类 QOpenGLContext :

QOpenGLContext *	globalShareContext ()
bool	supportsThreadedOpenGL ()

类 QPlatformIntegration :

virtual void	destroy ()
virtual void	setApplicationIcon (const QIcon & icon ) const

类 QWindow :

void	requestUpdate ()

类 QMatrix4x4 :

bool	isAffine () const

类 QVector3D :

QVector3D &	operator/= (const QVector3D & vector )
QVector3D	project (const QMatrix4x4 & modelView , const QMatrix4x4 & projection , const QRect & viewport ) const
QVector3D	unproject (const QMatrix4x4 & modelView , const QMatrix4x4 & projection , const QRect & viewport ) const

类 QVector2D :

QVector2D &

operator/= (const QVector2D & vector )

类 QQuaternion :

QQuaternion	conjugated () const
float	dotProduct (const QQuaternion & q1 , const QQuaternion & q2 )
QQuaternion	fromAxes (const QVector3D & xAxis , const QVector3D & yAxis , const QVector3D & zAxis )
QQuaternion	fromDirection (const QVector3D & direction , const QVector3D & up )
QQuaternion	fromEulerAngles (const QVector3D & eulerAngles )
QQuaternion	fromEulerAngles (float pitch , float yaw , float roll )
QQuaternion	fromRotationMatrix (const QMatrix3x3 & rot3x3 )
void	getAxes (QVector3D * xAxis , QVector3D * yAxis , QVector3D * zAxis ) const
void	getAxisAndAngle (QVector3D * axis , float * angle ) const
void	getAxisAndAngle (float * x , float * y , float * z , float * angle ) const
void	getEulerAngles (float * pitch , float * yaw , float * roll ) const
QQuaternion	inverted () const
QQuaternion	rotationTo (const QVector3D & from , const QVector3D & to )
QVector3D	toEulerAngles () const
QMatrix3x3	toRotationMatrix () const

类 QVector4D :

QVector4D &

operator/= (const QVector4D & vector )

类 QOpenGLTexture :

void	allocateStorage (PixelFormat pixelFormat , PixelType pixelType )
ComparisonFunction	comparisonFunction () const
ComparisonMode	comparisonMode () const
void	setComparisonMode (ComparisonMode mode )

类 QFontDatabase :

bool	isPrivateFamily (const QString & family ) const

类 QPlatformFontDatabase :

QFont::Weight

weightFromInteger (int weight )

类 QTextDocument :

QTextCursor	find (const QRegularExpression & expr , int from = 0, FindFlags options = FindFlags()) const
QTextCursor	find (const QRegularExpression & expr , const QTextCursor & cursor , FindFlags options = FindFlags()) const

类 QNetworkAccessManager :

void	preSharedKeyAuthenticationRequired (QNetworkReply * reply , QSslPreSharedKeyAuthenticator * authenticator )

类 QNetworkReply :

void	preSharedKeyAuthenticationRequired (QSslPreSharedKeyAuthenticator * authenticator )

类 QHostAddress :

void	setAddress (const quint8 * ip6Addr )

类 QSslConfiguration :

QVector<QSslEllipticCurve>	ellipticCurves () const
void	setEllipticCurves (const QVector<QSslEllipticCurve> & curves )
QList<QSslCipher>	supportedCiphers ()
QVector<QSslEllipticCurve>	supportedEllipticCurves ()
QList<QSslCertificate>	systemCaCertificates ()

类 QSslSocket :

void	preSharedKeyAuthenticationRequired (QSslPreSharedKeyAuthenticator * authenticator )

类 QGraphicsScene :

void	setSelectionArea (const QPainterPath & path , Qt::ItemSelectionOperation selectionOperation , Qt::ItemSelectionMode mode = Qt::IntersectsItemShape, const QTransform & deviceTransform = QTransform())

类 QOpenGLWidget :

void	setUpdateBehavior (UpdateBehavior updateBehavior )
UpdateBehavior	updateBehavior () const

类 QSpacerItem :

QSizePolicy

sizePolicy () const

类 QAbstractScrollArea :

QMargins

viewportMargins () const

类 QFrame :

void	initStyleOption (QStyleOptionFrame * option ) const

类 QPlainTextEdit :

QMenu *

createStandardContextMenu (const QPoint & position )

类 QBluetoothDeviceInfo :

QBluetoothUuid	deviceUuid () const
void	setDeviceUuid (const QBluetoothUuid & uuid )

类 QBluetoothHostInfo :

bool	operator!= (const QBluetoothHostInfo & other ) const
bool	operator== (const QBluetoothHostInfo & other ) const

类 QLowEnergyController :

QString

remoteName () const

类 QLowEnergyService :

void	characteristicRead (const QLowEnergyCharacteristic & characteristic , const QByteArray & value )
void	descriptorRead (const QLowEnergyDescriptor & descriptor , const QByteArray & value )
void	readCharacteristic (const QLowEnergyCharacteristic & characteristic )
void	readDescriptor (const QLowEnergyDescriptor & descriptor )

类 QSGSimpleTextureNode :

void	setSourceRect (const QRectF & r )
void	setSourceRect (qreal x , qreal y , qreal w , qreal h )
QRectF	sourceRect () const

类 QQuickWidget :

QQuickWindow *

quickWindow () const

类 QGeoCircle :

QString

toString () const

类 QGeoRectangle :

QString

toString () const

类 QGeoShape :

QGeoCoordinate	center () const
QString	toString () const

类 QCamera :

void	setViewfinderSettings (const QCameraViewfinderSettings & settings )
QList<FrameRateRange>	supportedViewfinderFrameRateRanges (const QCameraViewfinderSettings & settings = QCameraViewfinderSettings()) const
QList<QVideoFrame::PixelFormat>	supportedViewfinderPixelFormats (const QCameraViewfinderSettings & settings = QCameraViewfinderSettings()) const
QList<QSize>	supportedViewfinderResolutions (const QCameraViewfinderSettings & settings = QCameraViewfinderSettings()) const
QList<QCameraViewfinderSettings>	supportedViewfinderSettings (const QCameraViewfinderSettings & settings = QCameraViewfinderSettings()) const
QCameraViewfinderSettings	viewfinderSettings () const

类 QCameraImageProcessing :

ColorFilter	colorFilter () const
bool	isColorFilterSupported (ColorFilter filter ) const
void	setColorFilter (ColorFilter filter )

类 QWebEngineProfile :

void	downloadRequested (QWebEngineDownloadItem * download )

类 QWebEnginePage :

virtual bool	acceptNavigationRequest (const QUrl & url , NavigationType type , bool isMainFrame )
QWebEngineProfile *	profile () const
void	setWebChannel (QWebChannel * channel )
QWebChannel *	webChannel () const

名称空间中的新函数

char *	toString (QSizePolicy sp )
char *	toString (QSizePolicy::ControlType ct )
char *	toString (QSizePolicy::ControlTypes cts )
char *	toString (QSizePolicy::Policy p )

新全局函数

bool	operator!= (const QSslPreSharedKeyAuthenticator & lhs , const QSslPreSharedKeyAuthenticator & rhs )
bool	operator!= (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
bool	operator!= (const QCameraViewfinderSettings & lhs , const QCameraViewfinderSettings & rhs )
QVector3D	operator* (const QQuaternion & quaternion , const QVector3D & vec )
const QVector4D	operator/ (const QVector4D & vector , const QVector4D & divisor )
const QVector3D	operator/ (const QVector3D & vector , const QVector3D & divisor )
const QVector2D	operator/ (const QVector2D & vector , const QVector2D & divisor )
QDebug	operator<< (QDebug debug , QSslEllipticCurve curve )
bool	operator<= (const QUuid & lhs , const QUuid & rhs )
bool	operator== (QSslEllipticCurve lhs , QSslEllipticCurve rhs )
bool	operator>= (const QUuid & lhs , const QUuid & rhs )
int	qEnvironmentVariableIntValue (const char * varName , bool * ok = Q_NULLPTR)
uint	qHash (QSslEllipticCurve curve , uint seed = 0)
uint	qHash (const QSet<T> & key , uint seed = 0)
uint	qHashRange (InputIterator first , InputIterator last , uint seed = 0)
uint	qHashRangeCommutative (InputIterator first , InputIterator last , uint seed = 0)
QPixelFormat	qPixelFormatAlpha (uchar channelSize , QPixelFormat::TypeInterpretation typeInterpretation = QPixelFormat::UnsignedInteger)
QJSEngine *	qjsEngine (const QObject * object )
void	swap (QPair<T1, T2> & lhs , QPair<T1, T2> & rhs )

新宏

	Q_ENUM ( ... )
	Q_FLAG ( ... )
	qCInfo ( category , const char * message , ... )
	qCInfo ( category )
	qInfo (const char * message , ... )

新枚举类型

enum	ColorFilter { ColorFilterNone, ColorFilterGrayscale, ColorFilterNegative, ColorFilterSolarize, ..., ColorFilterVendor }
enum	Transformation { TransformationNone, TransformationMirror, TransformationFlip, TransformationRotate180, ..., TransformationRotate270 }
enum	ComparisonFunction { CompareLessEqual, CompareGreaterEqual, CompareLess, CompareGreater, ..., CompareNever }
enum	ComparisonMode { CompareRefToTexture, CompareNone }
enum	UpdateBehavior { NoPartialUpdate, PartialUpdate }
enum	TabFocusBehavior { NoTabFocus, TabFocusTextControls, TabFocusListControls, TabFocusAllControls }

新特性

center : QGeoCoordinate radius : qreal altitude : double isValid : const bool latitude : double longitude : double bottomLeft : QGeoCoordinate bottomRight : QGeoCoordinate center : QGeoCoordinate height : double topLeft : QGeoCoordinate

topRight : QGeoCoordinate width : double isEmpty : const bool isValid : const bool type : const ShapeType selectedIndexes : const QModelIndexList devicePixelRatio : const qreal breakEnabled : bool singleClickActivation : const bool tabFocusBehavior : const Qt::TabFocusBehavior

新 QML 类型

A

AbstractAxisInput

AbstractTextureImage

AxisSetting

B

BlendEquation

BlendEquationArguments

C

Camera

CameraLens

CameraSelector

CircularGauge

CircularGaugeStyle

ClipPlane

Component3D

D

DelayButton

DelayButtonStyle

Dial

DialStyle

E

Entity

EntityLoader

F

FilterKey

FrameAction

FrameGraphNode

G

Gauge

GaugeStyle

GraphicsApiFilter

I

ItemSelectionModel

K

KeyEvent

KeyboardDevice

KeyboardHandler

L

层

LayerFilter

M

Material

MouseDevice

MouseEvent

MouseHandler

N

NoDraw

Node

NodeInstantiator

P

PieMenu

PieMenuStyle

PointLight

R

RenderStateSet

S

ShaderProgram

Shortcut

SpotLight

StatusIndicator

StatusIndicatorStyle

T

TextureImage

ToggleButton

ToggleButtonStyle

TreeView

TreeViewStyle

Tumbler

TumblerColumn

TumblerStyle

W

WheelEvent

新 QML 特性

	autoTransform
	colorFilter
	direction
	height
	polling
	scrollGestureEnabled
	shortcuts
	styleHints
	width

新 QML 信号

	tagFound ()
	tagRemoved ()
	smartZoom ()

新 QML 方法

list<object>	supportedViewfinderFrameRateRanges (size resolution = undefined)
list<size>	supportedViewfinderResolutions (real minimumFrameRate = undefined, real maximumFrameRate = undefined)
string	getDataAsArrayBuffer (string format )
color	hsva (real hue , real saturation , real value , real alpha )
geocircle	shapeToCircle (geoshape shape ) const
georectangle	shapeToRectangle (geoshape shape ) const

其它 Qt 5 发行的补充

• Qt 5.6 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