Qt Documentation

Qt 5.12
New Classes and Functions in Qt 5.7

New Classes and Functions in Qt 5.7

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.7. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

New Classes
New Member Functions
New Functions in Namespaces
New Global Functions
New Macros
New Enum Types
New Typedefs
New Properties
New QML Types
New QML Properties
New QML Methods

New Classes

A: AddressInfo (QLowEnergyAdvertisingParameters); QAbstractActionInput (Qt3DInput); QAction (Qt3DInput); QActionInput (Qt3DInput); QAnalogAxisInput (Qt3DInput); QAxis (Qt3DInput); QAbstractFunctor (Qt3DRender); QAlphaCoverage (Qt3DRender); QAlphaTest (Qt3DRender)

B: QButtonAxisInput (Qt3DInput); QBlendEquation (Qt3DRender)

C: QConeGeometry (Qt3DExtras); QCuboidGeometry (Qt3DExtras); QCylinderGeometry (Qt3DExtras); QClearBuffers (Qt3DRender); QColorMask (Qt3DRender); QComputeCommand (Qt3DRender); QCullFace (Qt3DRender)

D: QDiffuseMapMaterial (Qt3DExtras); QDiffuseSpecularMapMaterial (Qt3DExtras); QDepthTest (Qt3DRender); QDirectionalLight (Qt3DRender); QDispatchCompute (Qt3DRender); QDithering (Qt3DRender)

E: QEffect (Qt3DRender)

F: QFirstPersonCameraController (Qt3DExtras); QForwardRenderer (Qt3DExtras); QFrontFace (Qt3DRender); QFrustumCulling (Qt3DRender)

G: QGoochMaterial (Qt3DExtras); QGeometry (Qt3DRender); QGeometryRenderer (Qt3DRender)

I: QInputChord (Qt3DInput); QInputSequence (Qt3DInput); QInputSettings (Qt3DInput)

L: QLowEnergyAdvertisingData; QLowEnergyAdvertisingParameters; QLowEnergyCharacteristicData; QLowEnergyConnectionParameters; QLowEnergyDescriptorData; QLowEnergyServiceData; QLogicAspect (Qt3DLogic)

M: QMorphPhongMaterial (Qt3DExtras); QMultiSampleAntiAliasing (Qt3DRender)

N: QNodeCreatedChange (Qt3DCore); QNodeDestroyedChange (Qt3DCore); QNormalDiffuseMapAlphaMaterial (Qt3DExtras); QNormalDiffuseMapMaterial (Qt3DExtras); QNormalDiffuseSpecularMapMaterial (Qt3DExtras); QNoDepthMask (Qt3DRender)

O: QOrbitCameraController (Qt3DExtras)

P: QPerVertexColorMaterial (Qt3DExtras); QPhongAlphaMaterial (Qt3DExtras); QPhongMaterial (Qt3DExtras); QPlaneGeometry (Qt3DExtras); QPickEvent (Qt3DRender); QPickTriangleEvent (Qt3DRender); QPickingSettings (Qt3DRender); QPointSize (Qt3DRender); QPolygonOffset (Qt3DRender)

Q: QQuickStyle

R: QRenderAspect (Qt3DRender); QRenderPass (Qt3DRender); QRenderPassFilter (Qt3DRender); QRenderSettings (Qt3DRender); QRenderState (Qt3DRender); QRenderSurfaceSelector (Qt3DRender); QRenderTarget (Qt3DRender); QRenderTargetOutput (Qt3DRender); QRenderTargetSelector (Qt3DRender)

T: QTorusGeometry (Qt3DExtras); QTechnique (Qt3DRender); QTechniqueFilter (Qt3DRender); QTextureData (Qt3DRender); QTextureImageDataGenerator (Qt3DRender)

V: QViewport (Qt3DRender)

New Member Functions

Class QAndroidJniObject:

fromLocalRef(int localRef)

Class QBluetoothUuid:

operator!=(const QBluetoothUuid &other) const

Class QLowEnergyController:

	addService(const QLowEnergyServiceData &service, QObject *parent)
	connectionUpdated(const QLowEnergyConnectionParameters &newParameters)
	createCentral(const QBluetoothDeviceInfo &remoteDevice, QObject *parent)
	createPeripheral(QObject *parent)
	requestConnectionUpdate(const QLowEnergyConnectionParameters &parameters)
	role() const
	startAdvertising(const QLowEnergyAdvertisingParameters &parameters, const QLowEnergyAdvertisingData &advertisingData, const QLowEnergyAdvertisingData &scanResponseData)
	stopAdvertising()

Class QIODevice:

	channelBytesWritten(int channel, qint64 bytes)
	channelReadyRead(int channel)
	commitTransaction()
	currentReadChannel() const
	currentWriteChannel() const
	isTransactionStarted() const
	readChannelCount() const
	rollbackTransaction()
	setCurrentReadChannel(int channel)
	setCurrentWriteChannel(int channel)
	startTransaction()
	writeChannelCount() const

Class QMetaObject:

inherits(const QMetaObject *metaObject) const

Class QProcess:

	createProcessArgumentsModifier() const
	setCreateProcessArgumentsModifier(QProcess::CreateProcessArgumentModifier modifier)

Class QBasicMutex:

isRecursive() const

Class QByteArray:

	append(int count, char ch)
	insert(int i, int count, char ch)
	prepend(int count, char ch)

Class QDataStream:

	abortTransaction()
	commitTransaction()
	rollbackTransaction()
	startTransaction()

Class QJsonObject:

	constFind(QLatin1String key) const
	contains(QLatin1String key) const
	find(QLatin1String key)
	find(QLatin1String key) const
	operator[](QLatin1String key)
	operator[](QLatin1String key) const
	value(QLatin1String key) const

Class QHash:

	equal_range(const Key &key)
	equal_range(const Key &key) const
	erase(QHash::const_iterator pos)

Class QFlags:

setFlag(Enum flag, bool on)

Class QLocale:

toCurrencyString(double value, const QString &symbol, int precision) const

Class QMutex:

isRecursive() const

Class QRect:

transposed() const

Class QRectF:

transposed() const

Class QSet:

erase(QSet::const_iterator pos)

Class QString:

resize(int size, QChar fillChar)

Class QStringRef:

	crbegin() const
	crend() const
	operator[](int position) const
	rbegin() const
	rend() const

Class QUuid:

	fromCFUUID(CFUUIDRef uuid)
	fromNSUUID(const NSUUID *uuid)
	toCFUUID() const
	toNSUUID() const

Class QUtf8:

convertToUnicode(QChar *buffer, const char *chars, int len)

Class QDrag:

cancel()

Class QIconEngine:

isNull() const

Class Key:

isValid() const

Class QWheelEvent:

inverted() const

Class QOpenGLFramebufferObject:

blitFramebuffer(QOpenGLFramebufferObject *target, const QRect &targetRect, QOpenGLFramebufferObject *source, const QRect &sourceRect, GLbitfield buffers, GLenum filter, int readColorAttachmentIndex, int drawColorAttachmentIndex, QOpenGLFramebufferObject::FramebufferRestorePolicy restorePolicy)

Class QPlatformDrag:

virtual cancelDrag()

Class QPlatformIntegration:

virtual beep() const

Class QMediaPlaylist:

moveMedia(int from, int to)

Class QMediaPlaylistProvider:

virtual moveMedia(int from, int to)

Class QNetworkInterface:

	interfaceIndexFromName(const QString &name)
	interfaceNameFromIndex(int index)

Class QSslConfiguration:

ephemeralServerKey() const

Class QWindowsWindowFunctions:

	setWindowActivationBehavior(QWindowsWindowFunctions::WindowActivationBehavior behavior)
	setWindowActivationBehaviorIdentifier()

Class QQmlDebuggingEnabler:

startDebugConnector(const QString &pluginName, const QVariantHash &configuration)

Class QQmlFileSelector:

selector() const

Class QQuickItem:

	isAncestorOf(const QQuickItem *child) const
	mapFromGlobal(const QPointF &point) const
	mapToGlobal(const QPointF &point) const

Class QQuickWebEngineProfile:

clearHttpCache()

Class QMenu:

	showTearOffMenu()
	showTearOffMenu(const QPoint &pos)

Class QX11Info:

isCompositingManagerRunning(int screen)

New Functions in Namespaces

	androidService()
	hideSplashScreen()
	runOnAndroidThread(const QtAndroid::Runnable &runnable)
	runOnAndroidThreadSync(const QtAndroid::Runnable &runnable, int timeoutMs)

New Global Functions

	operator<<(QDebug debug, const std::vector<T, Alloc> &vec)
	operator<<(QDebug debug, const std::multimap<Key, T, Compare, Alloc> &map)
	operator<<(QDebug debug, const std::map<Key, T, Compare, Alloc> &map)
	operator<<(QDebug debug, const std::list<T, Alloc> &vec)
	operator<<(QDebug debug, const QSharedPointer<T> &ptr)
	qAsConst(const T &&t)
	qAsConst(T &t)
	qConstOverload(T memberFunctionPointer)
	qHash(const std::pair<T1, T2> &key, uint seed)
	qNonConstOverload(T memberFunctionPointer)
	qOverload(T functionPointer)

New Macros

qUtf16Printable(const QString &str)

New Enum Types

enum	AttAccessConstraint { AttAuthorizationRequired, AttAuthenticationRequired, AttEncryptionRequired }
enum	FloatingPointPrecisionOption { FloatingPointShortest }
enum	Role { CentralRole, PeripheralRole }
enum	FramebufferRestorePolicy { DontRestoreFramebufferBinding, RestoreFramebufferBindingToDefault, RestoreFrameBufferBinding }
enum	WindowActivationBehavior { DefaultActivateWindow, AlwaysActivateWindow }

New Typedefs

typedef	const_reverse_iterator
typedef	SetWindowActivationBehaviorType

New Properties

desktopFileName : const
audioMuted : const
icon : const

New QML Types

A: AbstractActionInput; AbstractButton; Action; ActionInput; AlphaCoverage; AlphaTest; AnalogAxisInput; ApplicationWindow; Axis

B: BusyIndicator; Button; ButtonAxisInput; ButtonGroup

C: CheckBox; CheckDelegate; ClearBuffers; ColorMask; ComboBox; ComputeCommand; Container; Control; CullFace

D: DepthTest; Dial; DiffuseMapMaterial; DiffuseSpecularMapMaterial; DirectionalLight; DispatchCompute; Dithering; Drawer

E: Effect

F: FirstPersonCameraController; ForwardRenderer; Frame; FrontFace; FrustumCulling

G: Geometry; GeometryRenderer; GoochMaterial; GroupBox

I: InputChord; InputSequence; InputSettings; ItemDelegate

L: Label

M: Menu; MenuItem; MultiSampleAntiAliasing

N: NoDepthMask; NormalDiffuseMapAlphaMaterial; NormalDiffuseMapMaterial; NormalDiffuseSpecularMapMaterial

O: OrbitCameraController

P: Page; PageIndicator; Pane; PerVertexColorMaterial; PhongAlphaMaterial; PhongMaterial; PickingSettings; PointSize; PolygonOffset; Popup; ProgressBar

R: RadioButton; RadioDelegate; RangeSlider; RenderPass; RenderPassFilter; RenderSettings; RenderState; RenderSurfaceSelector; RenderTarget; RenderTargetOutput; RenderTargetSelector

S: SceneLoader; ScissorTest; ScrollBar; ScrollIndicator; ScxmlStateMachine; SeamlessCubemap; Slider; SortPolicy; SpinBox; StackView; StencilMask; StencilOperation; StencilOperationArguments; StencilTest; StencilTestArguments; SwipeDelegate; SwipeView; Switch; SwitchDelegate

T: TabBar; TabButton; Technique; TechniqueFilter; TextArea; TextField; ToolBar; ToolButton; ToolTip; Tumbler

V: Viewport

New QML Properties

	brightness
	caseSensitive
	copyrightsVisible
	enabled
	invert
	keyNavigationEnabled
	keyNavigationEnabled
	movementDirection
	preeditText
	preeditText
	source
	window

New QML Methods

	mapFromGlobal()
	mapToGlobal()
	addItems()
	insertItems()
	moveItem()
	removeItems()
	clear()
	clear()

Additions to Other Qt 5 Releases

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