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

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)
QRenderStateCreatedChange (Qt3DRender)
QRenderSurfaceSelector (Qt3DRender)
QRenderTarget (Qt3DRender)
QRenderTargetOutput (Qt3DRender)
QRenderTargetSelector (Qt3DRender)
S
QScxmlCompiler
QScxmlCppDataModel
QScxmlDataModel
QScxmlEcmaScriptDataModel
QScxmlError
QScxmlEvent
QScxmlNullDataModel
QScxmlStateMachine
QStaticPropertyUpdatedChangeBase (Qt3DCore)
QStaticPropertyValueAddedChangeBase (Qt3DCore)
QStaticPropertyValueRemovedChangeBase (Qt3DCore)
QSphereGeometry (Qt3DExtras)
QSceneLoader (Qt3DRender)
QScissorTest (Qt3DRender)
QSeamlessCubemap (Qt3DRender)
QSortPolicy (Qt3DRender)
QStencilMask (Qt3DRender)
QStencilOperation (Qt3DRender)
QStencilOperationArguments (Qt3DRender)
QStencilTest (Qt3DRender)
QStencilTestArguments (Qt3DRender)
T
QTorusGeometry (Qt3DExtras)
QTechnique (Qt3DRender)
QTechniqueFilter (Qt3DRender)
QTextureData (Qt3DRender)
QTextureImageDataGenerator (Qt3DRender)
V
QViewport (Qt3DRender)

New Member Functions

Class QRect:

QRect transposed() const

Class QModbusRtuSerialMaster:

int interFrameDelay() const
void setInterFrameDelay(int microseconds)

Class QBluetoothUuid:

bool operator!=(const QBluetoothUuid &other) const

Class QLocale:

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

Class QHash:

QPair<iterator, iterator> equal_range(const Key &key)
QPair<const_iterator, const_iterator> equal_range(const Key &key) const
iterator erase(const_iterator pos)

Class QQmlDebuggingEnabler:

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

Class QString:

void resize(int size, QChar fillChar)

Class QMetaObject:

bool inherits(const QMetaObject *metaObject) const

Class QUuid:

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

Class QLowEnergyController:

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

Class QFlags:

QFlags &setFlag(Enum flag, bool on = true)

Class QMenu:

void showTearOffMenu()
void showTearOffMenu(const QPoint &pos)

Class QRectF:

QRectF transposed() const

Class QUtf8:

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

Class QSslConfiguration:

QSslKey ephemeralServerKey() const

Class QMediaPlaylistProvider:

virtual bool moveMedia(int from, int to)

Class QX11Info:

bool isCompositingManagerRunning(int screen = -1)

Class QNetworkInterface:

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

Class QJsonObject:

const_iterator constFind(QLatin1String key) const
bool contains(QLatin1String key) const
iterator find(QLatin1String key)
const_iterator find(QLatin1String key) const
QJsonValue operator[](QLatin1String key) const
QJsonValueRef operator[](QLatin1String key)
QJsonValue value(QLatin1String key) const

Class QBasicMutex:

bool isRecursive() const

Class QMutex:

bool isRecursive() const

Class QByteArray:

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

Class QWindowsWindowFunctions:

void setWindowActivationBehavior(WindowActivationBehavior behavior)
const QByteArray setWindowActivationBehaviorIdentifier()

Class QSet:

iterator erase(const_iterator pos)

Class QStringRef:

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

Class QDataStream:


Class QProcess:

CreateProcessArgumentModifier createProcessArgumentsModifier() const
void setCreateProcessArgumentsModifier(CreateProcessArgumentModifier modifier)

Class QMediaPlaylist:

bool moveMedia(int from, int to)

Class QQuickItem:

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

Class QIODevice:

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

Class QQmlFileSelector:

QFileSelector *selector() const

New Global Functions

QDebug operator<<(QDebug debug, const QSharedPointer<T> &ptr)
QDebug operator<<(QDebug stream, const std::multimap<Key, T, Compare, Alloc> &map)
QDebug operator<<(QDebug stream, const std::map<Key, T, Compare, Alloc> &map)
QDebug operator<<(QDebug stream, const std::list<T, Alloc> &list)
QDebug operator<<(QDebug stream, const std::vector<T, Alloc> &vector)
QtPrivate::QAddConst<T>::Type &qAsConst(T &t)
auto qConstOverload(T memberFunctionPointer)
uint qHash(const std::pair<T1, T2> &key, uint seed = 0)
auto qNonConstOverload(T memberFunctionPointer)
auto qOverload(T functionPointer)

New Macros

const wchar_t *qUtf16Printable(const QString &str)

New Enum Types

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

New Typedefs

New QML Types

New QML Properties

New QML Methods

object mapFromGlobal(real x, real y)
object mapToGlobal(real x, real y)
bool addItems(sources)
bool insertItems(index, sources)
bool moveItem(from, to)
bool removeItems(int start, int end)
clear()
clear()

Additions to Other Qt 5 Releases