New Classes and Functions in Qt 5.1

This page contains a comprehensive list of all new classes and functions introduced in Qt 5.1. Links to new APIs in previous Qt 5 releases are found at the bottom of this page.

New Classes

A
QAbstractOpenGLFunctions
QAccelerometer
QAccelerometerFilter
QAccelerometerReading
QAltimeter
QAltimeterFilter
QAltimeterReading
QAmbientLightFilter
QAmbientLightReading
QAmbientLightSensor
QAmbientTemperatureFilter
QAmbientTemperatureReading
QAmbientTemperatureSensor
B
Binder (QOpenGLVertexArrayObject)
C
QCompass
QCompassFilter
QCompassReading
D
QDBusVirtualObject
QDebugStateSaver
G
QGlobalStatic
QGyroscope
QGyroscopeFilter
QGyroscopeReading
H
QHolsterFilter
QHolsterReading
QHolsterSensor
I
QIRProximityFilter
QIRProximityReading
QIRProximitySensor
L
QLightFilter
QLightReading
QLightSensor
QLockFile
M
QMagnetometer
QMagnetometerFilter
QMagnetometerReading
QMessageAuthenticationCode
O
QOffscreenSurface
QOpenGLDebugLogger
QOpenGLDebugMessage
QOpenGLFunctions_1_0
QOpenGLFunctions_1_1
QOpenGLFunctions_1_2
QOpenGLFunctions_1_3
QOpenGLFunctions_1_4
QOpenGLFunctions_1_5
QOpenGLFunctions_2_0
QOpenGLFunctions_2_1
QOpenGLFunctions_3_0
QOpenGLFunctions_3_1
QOpenGLFunctions_3_2_Compatibility
QOpenGLFunctions_3_2_Core
QOpenGLFunctions_3_3_Compatibility
QOpenGLFunctions_3_3_Core
QOpenGLFunctions_4_0_Compatibility
QOpenGLFunctions_4_0_Core
QOpenGLFunctions_4_1_Compatibility
QOpenGLFunctions_4_1_Core
QOpenGLFunctions_4_2_Compatibility
QOpenGLFunctions_4_2_Core
QOpenGLFunctions_4_3_Compatibility
QOpenGLFunctions_4_3_Core
QOpenGLFunctions_ES2
QOpenGLTimeMonitor
QOpenGLTimerQuery
QOpenGLVersionProfile
QOpenGLVertexArrayObject
QOrientationFilter
QOrientationReading
QOrientationSensor
qoutputrange
P
QPressureFilter
QPressureReading
QPressureSensor
QProximityFilter
QProximityReading
QProximitySensor
Q
QQmlApplicationEngine
QQuickTextDocument
R
QRegularExpressionValidator
QRotationFilter
QRotationReading
QRotationSensor
S
QSaveFile
QSensor
QSensorBackend
QSensorChangesInterface
QSensorGesture
QSensorGestureManager
QSensorGesturePluginInterface
QSensorGestureRecognizer
QSensorPluginInterface
QSerialPort
QSerialPortInfo
T
QTapFilter
QTapReading
QTapSensor
QTiltFilter
QTiltReading
QTiltSensor
X
QX11Info

New Member Functions

Class QAbstractFileEngine:

virtual bool renameOverwrite(const QString &newName)
virtual bool syncToDisk()

Class QProcess:

void setArguments(const QStringList &arguments)
void setProgram(const QString &program)
void start(OpenMode mode = ReadWrite)

Class QUrl:

QList<QUrl> fromStringList(const QStringList &urls, ParsingMode mode = TolerantMode)
QStringList toStringList(const QList<QUrl> &urls, FormattingOptions options = FormattingOptions( PrettyDecoded ))

Class QMetaMethod:

int revision() const

Class QMetaProperty:

int revision() const

Class QChar:

Script script() const
Script script(uint ucs4)

Class QLocale:

double toDouble(const QStringRef &s, bool *ok = Q_NULLPTR) const
float toFloat(const QStringRef &s, bool *ok = Q_NULLPTR) const
int toInt(const QStringRef &s, bool *ok = Q_NULLPTR) const
qlonglong toLongLong(const QStringRef &s, bool *ok = Q_NULLPTR) const
short toShort(const QStringRef &s, bool *ok = Q_NULLPTR) const
uint toUInt(const QStringRef &s, bool *ok = Q_NULLPTR) const
qulonglong toULongLong(const QStringRef &s, bool *ok = Q_NULLPTR) const
ushort toUShort(const QStringRef &s, bool *ok = Q_NULLPTR) const

Class QMargins:

QMargins &operator*=(int factor)
QMargins &operator*=(qreal factor)
QMargins &operator+=(const QMargins &margins)
QMargins &operator-=(const QMargins &margins)
QMargins &operator/=(int divisor)
QMargins &operator/=(qreal divisor)

Class QMap:

iterator insert(const_iterator pos, const Key &key, const T &value)
iterator insertMulti(const_iterator pos, const Key &key, const T &value)

Class QMultiMap:

QMap<Key, T>::iterator insert(QMap<Key, T>::const_iterator pos, const Key &key, const T &value)

Class QRect:

QRect marginsAdded(const QMargins &margins) const
QRect marginsRemoved(const QMargins &margins) const
QRect &operator+=(const QMargins &margins)
QRect &operator-=(const QMargins &margins)

Class QPoint:

int dotProduct(const QPoint &p1, const QPoint &p2)

Class QPointF:

qreal dotProduct(const QPointF &p1, const QPointF &p2)

Class QRegularExpression:

QStringList namedCaptureGroups() const

Class QSharedPointer:

QSharedPointer<T> create()
QSharedPointer<T> create(...)

Class QString:

bool contains(const QRegularExpression &re, QRegularExpressionMatch *match) const

Class QStringRef:

double toDouble(bool *ok = Q_NULLPTR) const
float toFloat(bool *ok = Q_NULLPTR) const
int toInt(bool *ok = Q_NULLPTR, int base = 10) const
long toLong(bool *ok = Q_NULLPTR, int base = 10) const
qlonglong toLongLong(bool *ok = Q_NULLPTR, int base = 10) const
short toShort(bool *ok = Q_NULLPTR, int base = 10) const
uint toUInt(bool *ok = Q_NULLPTR, int base = 10) const
ulong toULong(bool *ok = Q_NULLPTR, int base = 10) const
qulonglong toULongLong(bool *ok = Q_NULLPTR, int base = 10) const
ushort toUShort(bool *ok = Q_NULLPTR, int base = 10) const
QStringRef trimmed() const

Class QVarLengthArray:

void squeeze()

Class QVector:

void removeFirst()
void removeLast()
T takeFirst()
T takeLast()

Class QIcon:

QSize actualSize(QWindow *window, const QSize &size, Mode mode = Normal, State state = Off) const
QPixmap pixmap(QWindow *window, const QSize &size, Mode mode = Normal, State state = Off) const

Class QInputMethod:

QRectF inputItemRectangle() const
void setInputItemRectangle(const QRectF &rect)

Class QKeySequence:

QList<QKeySequence> listFromString(const QString &str, SequenceFormat format = PortableText)
QString listToString(const QList<QKeySequence> &list, SequenceFormat format = PortableText)

Class QPlatformTheme:

virtual QIconEngine *createIconEngine(const QString &iconName) const

Class QPlatformWindow:

virtual bool isAlertState() const
virtual void setAlertState(bool enable)

Class QWindow:

void alert(int msec)

Class QVector3D:

float distanceToPoint(const QVector3D &point) const

Class QVector2D:

float distanceToLine(const QVector2D &point, const QVector2D &direction) const
float distanceToPoint(const QVector2D &point) const

Class QRawFont:

QVector<QPointF> advancesForGlyphIndexes(const QVector<quint32> &glyphIndexes, LayoutFlags layoutFlags) const
bool advancesForGlyphIndexes(const quint32 *glyphIndexes, QPointF *advances, int numGlyphs, LayoutFlags layoutFlags) const

Class QPlatformFontDatabase:

QSupportedWritingSystems writingSystemsFromTrueTypeBits(quint32[4] unicodeRange, quint32[2] codePageRange)

Class QNetworkAccessManager:

void encrypted(QNetworkReply *reply)

Class QNetworkReply:

void encrypted()

Class QLocalSocket:

void connectToServer(OpenMode openMode = ReadWrite)
void setServerName(const QString &name)

Class QSslConfiguration:

QList<QSslCertificate> localCertificateChain() const
void setLocalCertificateChain(const QList<QSslCertificate> &localChain)

Class QSslSocket:

QList<QSslCertificate> localCertificateChain() const
void setLocalCertificateChain(const QList<QSslCertificate> &localChain)

Class QSqlRecord:

QSqlRecord keyValues(const QSqlRecord &keyFields) const

Class QSqlTableModel:

QSqlRecord primaryValues(int row) const

Class QGraphicsView:

void rubberBandChanged(QRect rubberBandRect, QPointF fromScenePoint, QPointF toScenePoint)
QRect rubberBandRect() const

Class QMenu:

QAction *addSection(const QString &text)
QAction *addSection(const QIcon &icon, const QString &text)
QAction *insertSection(QAction *before, const QString &text)
QAction *insertSection(QAction *before, const QIcon &icon, const QString &text)

Class QQmlExtensionPlugin:

QUrl baseUrl() const

Class QQuickItem:

void forceActiveFocus(Qt::FocusReason reason)

Class QQuickWindow:

void closing(QQuickCloseEvent *close)
bool hasDefaultAlphaBuffer()
void setDefaultAlphaBuffer(bool useAlpha)

Class QAccelerometer:

void accelerationModeChanged(AccelerationMode accelerationMode)
void setAccelerationMode(AccelerationMode accelerationMode)

Class QLightSensor:

void setFieldOfView(qreal fieldOfView)

Class QSensor:

void setCurrentOrientation(int currentOrientation)
void setEfficientBufferSize(int efficientBufferSize)
void setMaxBufferSize(int maxBufferSize)
void setSkipDuplicates(bool skipDuplicates)
void skipDuplicatesChanged(bool skipDuplicates)

Class QRotationSensor:

void setHasZ(bool hasZ)

New Global Functions

QMargins operator*(qreal factor, const QMargins &margins)
QMargins operator*(const QMargins &margins, qreal factor)
QMargins operator*(int factor, const QMargins &margins)
QMargins operator*(const QMargins &margins, int factor)
QRect operator+(const QMargins &margins, const QRect &rectangle)
QRect operator+(const QRect &rectangle, const QMargins &margins)
QMargins operator+(const QMargins &m1, const QMargins &m2)
QMargins operator-(const QMargins &margins)
QMargins operator-(const QMargins &m1, const QMargins &m2)
QMargins operator/(const QMargins &margins, qreal divisor)
QMargins operator/(const QMargins &margins, int divisor)
double qDegreesToRadians(double degrees)
float qDegreesToRadians(float degrees)
bool qEnvironmentVariableIsEmpty(const char *varName)
bool qEnvironmentVariableIsSet(const char *varName)
double qRadiansToDegrees(double radians)
float qRadiansToDegrees(float radians)
bool qunsetenv(const char *varName)

New Macros

Q_COREAPP_STARTUP_FUNCTION(QtStartUpFunction ptr)
Q_GLOBAL_STATIC(Type, VariableName)
Q_GLOBAL_STATIC_WITH_ARGS(Type, VariableName, Arguments)

New Enum Types

enum AccelerationMode { Combined, Gravity, User }
enum Script { Script_Unknown, Script_Inherited, Script_Common, Script_Latin, ..., Script_SignWriting }
enum LayoutFlag { SeparateAdvances, KernedAdvances, UseDesignMetrics }
enum AxesOrientationMode { FixedOrientation, AutomaticOrientation, UserOrientation }
enum Visibility { Windowed, Minimized, Maximized, FullScreen, AutomaticVisibility, Hidden }
enum ApplicationState { ApplicationSuspended, ApplicationHidden, ApplicationInactive, ApplicationActive }
enum Edge { TopEdge, LeftEdge, RightEdge, BottomEdge }

New Typedefs

typedef qoutputrangelist
typedef qrange
typedef qrangelist

New Properties

New QML Types

New QML Properties

New QML Signals

void closing(CloseEvent close)

New QML Methods

forceLayout()
forceActiveFocus(Qt::FocusReason reason)
nextItemInFocusChain(bool forward)
forceLayout()
alert(int msec)
requestActivate()

Additions to Other Qt 5 Releases

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