Qt Documentation

Qt 5.8
New Classes and Functions in Qt 5.1

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

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 QVector:

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

Class QVarLengthArray:

void	squeeze()

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

accelerationMode : AccelerationMode
toolTipsVisible : bool
textInteractionFlags : Qt::TextInteractionFlags
axesOrientationMode : AxesOrientationMode
currentOrientation : const int

skipDuplicates : bool
userOrientation : int
active : const bool
opacity : qreal
visibility : Visibility

New QML Types

A: ApplicationWindow

B: Button; ButtonStyle

C: CheckBox; CheckBoxStyle; CloseEvent; ColorDialog; ComboBox; ComboBoxStyle

F: FileDialog

G: GroupBox; GroupBoxStyle

L: Label

M: Menu; MenuBar

P: ProgressBar; ProgressBarStyle

R: RadioButton; RadioButtonStyle

S: ScrollView; ScrollViewStyle; Slider; SliderStyle; SpinBox; SplitView; StackView; StackViewDelegate; StatusBar

T: Tab; TabView; TabViewStyle; TableView; TableViewColumn; TableViewStyle; TextArea; TextField; TextFieldStyle; ToolBar; ToolButton

New QML Properties

	active
	activeFocusItem
	application
	contentOrientation
	desktopAvailableHeight
	desktopAvailableWidth
`(obsolete)`	logicalPixelDensity
	maximumHeight
	maximumWidth
	minimumHeight
	minimumWidth
	name
	opacity
	platform
	selectByKeyboard
	textDocument
	visibility

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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