New Classes and Functions in Qt 5.5
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.
- New Classes
- New Member Functions
- New Functions in Namespaces
- New Global Functions
- New Macros
- New Enum Types
- New Properties
- New QML Types
- New QML Properties
- New QML Signals
- New QML Methods
New Classes
New Member Functions
Class QBluetoothHostInfo:
| operator!=(const QBluetoothHostInfo &other) const | |
| operator==(const QBluetoothHostInfo &other) const | 
Class QBluetoothDeviceInfo:
| deviceUuid() const | |
| setDeviceUuid(const QBluetoothUuid &uuid) | 
Class QLowEnergyController:
| remoteName() const | 
Class QLowEnergyService:
| characteristicRead(const QLowEnergyCharacteristic &characteristic, const QByteArray &value) | |
| descriptorRead(const QLowEnergyDescriptor &descriptor, const QByteArray &value) | |
| readCharacteristic(const QLowEnergyCharacteristic &characteristic) | |
| readDescriptor(const QLowEnergyDescriptor &descriptor) | 
Class QMessageLogger:
| info() const | |
| info(QMessageLogger::CategoryFunction catFunc) const | |
| info(const QLoggingCategory &cat) const | |
| info(QMessageLogger::CategoryFunction catFunc, const char *msg, ...) const | |
| info(const QLoggingCategory &cat, const char *msg, ...) const | |
| info(const char *msg, ...) const | 
Class QDebug:
| operator<<(char16_t t) | |
| operator<<(char32_t t) | 
Class QLoggingCategory:
| isInfoEnabled() const | 
Class QItemSelectionModel:
| model() | |
| modelChanged(QAbstractItemModel *model) | |
| setModel(QAbstractItemModel *model) | 
Class QMetaEnum:
| fromType() | 
Class QMetaMethod:
| invokeOnGadget(void *gadget, QGenericArgument val0, QGenericArgument val1, QGenericArgument val2, QGenericArgument val3, QGenericArgument val4, QGenericArgument val5, QGenericArgument val6, QGenericArgument val7, QGenericArgument val8, QGenericArgument val9) const | |
| invokeOnGadget(void *gadget, QGenericReturnArgument returnValue, QGenericArgument val0, QGenericArgument val1, QGenericArgument val2, QGenericArgument val3, QGenericArgument val4, QGenericArgument val5, QGenericArgument val6, QGenericArgument val7, QGenericArgument val8, QGenericArgument val9) const | 
Class QMetaProperty:
| readOnGadget(const void *gadget) const | |
| resetOnGadget(void *gadget) const | |
| writeOnGadget(void *gadget, const QVariant &value) const | 
Class QMetaType:
| equals(const void *lhs, const void *rhs, int typeId, int *result) | |
| metaObject() const | |
| registerEqualsComparator() | |
| type(const ::QByteArray &typeName) | 
Class QAssociativeIterable:
| find(const QVariant &key) const | 
Class QVariant:
| toPersistentModelIndex() const | 
Class QJsonObject:
| fromVariantHash(const QVariantHash &hash) | |
| toVariantHash() const | 
Class QTextStream:
| readLineInto(QString *line, qint64 maxlen) | 
Class QState:
| addTransition(const QObject *sender, PointerToMemberFunction signal, QAbstractState *target) | 
Class QThread:
| loopLevel() const | 
Class QDateTime:
| fromCFDate(CFDateRef date) | |
| fromNSDate(const NSDate *date) | |
| toCFDate() const | |
| toNSDate() const | 
Class QPair:
| swap(QPair<T1, T2> &other) | 
Class QRegularExpression:
| globalMatch(const QStringRef &subjectRef, int offset, QRegularExpression::MatchType matchType, QRegularExpression::MatchOptions matchOptions) const | |
| match(const QStringRef &subjectRef, int offset, QRegularExpression::MatchType matchType, QRegularExpression::MatchOptions matchOptions) const | 
Class QString:
| asprintf(const char *cformat, ...) | |
| fromStdU16String(const std::u16string &str) | |
| fromStdU32String(const std::u32string &str) | |
| indexOf(const QRegularExpression &re, int from, QRegularExpressionMatch *rmatch) const | |
| insert(int position, const QByteArray &str) | |
| insert(int position, const QStringRef &str) | |
| insert(int position, const char *str) | |
| lastIndexOf(const QRegularExpression &re, int from, QRegularExpressionMatch *rmatch) const | |
| prepend(const QChar *str, int len) | |
| prepend(const QStringRef &str) | |
| toStdU16String() const | |
| toStdU32String() const | |
| vasprintf(const char *cformat, va_list ap) | 
Class QTimeZone:
| systemTimeZone() | |
| utc() | 
Class QVarLengthArray:
| operator=(std::initializer_list<T> list) | 
Class QVector:
| append(const QVector<T> &value) | 
Class QDBusConnection:
| registerObject(const QString &path, const QString &interface, QObject *object, QDBusConnection::RegisterOptions options) | 
Class QImageWriter:
| optimizedWrite() const | |
| progressiveScanWrite() const | |
| setOptimizedWrite(bool optimize) | |
| setProgressiveScanWrite(bool progressive) | |
| setTransformation(QImageIOHandler::Transformations transform) | |
| transformation() const | 
Class QImageReader:
| autoTransform() const | |
| setAutoTransform(bool enabled) | |
| transformation() const | 
Class QWheelEvent:
| source() const | 
Class QOpenGLContext:
Class QWindow:
Class QMatrix4x4:
| isAffine() const | 
Class QVector3D:
| operator/=(const QVector3D &vector) | |
| project(const QMatrix4x4 &modelView, const QMatrix4x4 &projection, const QRect &viewport) const | |
| unproject(const QMatrix4x4 &modelView, const QMatrix4x4 &projection, const QRect &viewport) const | 
Class QQuaternion:
| conjugated() const | |
| dotProduct(const QQuaternion &q1, const QQuaternion &q2) | |
| fromAxes(const QVector3D &xAxis, const QVector3D &yAxis, const QVector3D &zAxis) | |
| fromDirection(const QVector3D &direction, const QVector3D &up) | |
| fromEulerAngles(const QVector3D &eulerAngles) | |
| fromEulerAngles(float pitch, float yaw, float roll) | |
| fromRotationMatrix(const QMatrix3x3 &rot3x3) | |
| getAxes(QVector3D *xAxis, QVector3D *yAxis, QVector3D *zAxis) const | |
| getAxisAndAngle(QVector3D *axis, float *angle) const | |
| getAxisAndAngle(float *x, float *y, float *z, float *angle) const | |
| getEulerAngles(float *pitch, float *yaw, float *roll) const | |
| inverted() const | |
| rotationTo(const QVector3D &from, const QVector3D &to) | |
| toEulerAngles() const | |
| toRotationMatrix() const | 
Class QVector2D:
| operator/=(const QVector2D &vector) | 
Class QVector4D:
| operator/=(const QVector4D &vector) | 
Class QOpenGLTexture:
| allocateStorage(QOpenGLTexture::PixelFormat pixelFormat, QOpenGLTexture::PixelType pixelType) | |
| comparisonFunction() const | |
| comparisonMode() const | |
| setComparisonMode(QOpenGLTexture::ComparisonMode mode) | 
Class QFontDatabase:
| isPrivateFamily(const QString &family) const | 
Class QTextDocument:
| find(const QRegularExpression &expr, const QTextCursor &cursor, QTextDocument::FindFlags options) const | |
| find(const QRegularExpression &expr, int from, QTextDocument::FindFlags options) const | 
Class QPlatformIntegration:
| virtual | destroy() | 
| virtual | setApplicationIcon(const QIcon &icon) const | 
Class QPlatformFontDatabase:
| weightFromInteger(int weight) | 
Class QCameraImageProcessing:
| colorFilter() const | |
| isColorFilterSupported(QCameraImageProcessing::ColorFilter filter) const | |
| setColorFilter(QCameraImageProcessing::ColorFilter filter) | 
Class QCamera:
| setViewfinderSettings(const QCameraViewfinderSettings &settings) | |
| supportedViewfinderFrameRateRanges(const QCameraViewfinderSettings &settings) const | |
| supportedViewfinderPixelFormats(const QCameraViewfinderSettings &settings) const | |
| supportedViewfinderResolutions(const QCameraViewfinderSettings &settings) const | |
| supportedViewfinderSettings(const QCameraViewfinderSettings &settings) const | |
| viewfinderSettings() const | 
Class QNetworkAccessManager:
| preSharedKeyAuthenticationRequired(QNetworkReply *reply, QSslPreSharedKeyAuthenticator *authenticator) | 
Class QNetworkReply:
| preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator *authenticator) | 
Class QHostAddress:
| setAddress(const quint8 *ip6Addr) | 
Class QSslConfiguration:
| ellipticCurves() const | |
| setEllipticCurves(const QVector<QSslEllipticCurve> &curves) | |
| supportedCiphers() | |
| supportedEllipticCurves() | |
| systemCaCertificates() | 
Class QSslSocket:
| preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator *authenticator) | 
Class QGeoCircle:
| toString() const | 
Class QGeoRectangle:
| toString() const | 
Class QGeoShape:
Class QSGSimpleTextureNode:
| setSourceRect(const QRectF &r) | |
| setSourceRect(qreal x, qreal y, qreal w, qreal h) | |
| sourceRect() const | 
Class QQuickWidget:
| quickWindow() const | 
Class QGraphicsScene:
| setSelectionArea(const QPainterPath &path, Qt::ItemSelectionOperation selectionOperation, Qt::ItemSelectionMode mode, const QTransform &deviceTransform) | 
Class QSpacerItem:
| sizePolicy() const | 
Class QOpenGLWidget:
| setUpdateBehavior(QOpenGLWidget::UpdateBehavior updateBehavior) | |
| updateBehavior() const | 
Class QAbstractScrollArea:
| viewportMargins() const | 
Class QFrame:
| initStyleOption(QStyleOptionFrame *option) const | 
Class QPlainTextEdit:
| createStandardContextMenu(const QPoint &position) | 
New Functions in Namespaces
| toString(QSizePolicy::Policy p) | |
| toString(QSizePolicy::ControlTypes cts) | |
| toString(QSizePolicy::ControlType ct) | |
| toString(QSizePolicy sp) | 
New Global Functions
| operator!=(const QSslPreSharedKeyAuthenticator &lhs, const QSslPreSharedKeyAuthenticator &rhs) | |
| operator!=(QSslEllipticCurve lhs, QSslEllipticCurve rhs) | |
| operator!=(const QCameraViewfinderSettings &lhs, const QCameraViewfinderSettings &rhs) | |
| operator*(const QQuaternion &quaternion, const QVector3D &vec) | |
| operator/(const QVector4D &vector, const QVector4D &divisor) | |
| operator/(const QVector3D &vector, const QVector3D &divisor) | |
| operator/(const QVector2D &vector, const QVector2D &divisor) | |
| operator<<(QDebug debug, QSslEllipticCurve curve) | |
| operator<=(const QUuid &lhs, const QUuid &rhs) | |
| operator==(const QSslPreSharedKeyAuthenticator &lhs, const QSslPreSharedKeyAuthenticator &rhs) | |
| operator==(QSslEllipticCurve lhs, QSslEllipticCurve rhs) | |
| operator==(const QCameraViewfinderSettings &lhs, const QCameraViewfinderSettings &rhs) | |
| operator>=(const QUuid &lhs, const QUuid &rhs) | |
| qEnvironmentVariableIntValue(const char *varName, bool *ok) | |
| qHash(QSslEllipticCurve curve, uint seed) | |
| qHash(const QSet<T> &key, uint seed) | |
| qHashRange(InputIterator first, InputIterator last, uint seed) | |
| qHashRangeCommutative(InputIterator first, InputIterator last, uint seed) | |
| qPixelFormatAlpha(uchar channelSize, QPixelFormat::TypeInterpretation typeInterpretation) | |
| qjsEngine(const QObject *object) | |
| swap(QPair<T1, T2> &lhs, QPair<T1, T2> &rhs) | 
New Macros
| Q_ENUM( ...) | |
| Q_FLAG( ...) | |
| qCInfo(category, const char *message, ...) | |
| qCInfo(category) | |
| qInfo(const char *message, ...) | 
New Enum Types
| 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 } | 
New Properties
| 
 | 
New QML Types
New QML Properties
New QML Signals
| tagFound() | |
| tagRemoved() | |
| smartZoom() | 
New QML Methods
| supportedViewfinderFrameRateRanges() | |
| supportedViewfinderResolutions() | |
| getDataAsArrayBuffer() | |
| hsva() | |
| shapeToCircle() | |
| shapeToRectangle() |