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Qt Documentation

Qt 5.5
All Classes

All Classes

This is a list of all Qt 5 classes. The following pages contain different API listings in different categories:

For more reference pages including QML types, visit Qt Reference Pages.

A B C D E F G H I J K L M N O P Q R S T U V W X

A: QAbstractAnimation; QAbstractButton; QAbstractEventDispatcher; QAbstractExtensionFactory; QAbstractExtensionManager; QAbstractFormBuilder; QAbstractGraphicsShapeItem; QAbstractItemDelegate; QAbstractItemModel; QAbstractItemView; QAbstractListModel; QAbstractMessageHandler; QAbstractNativeEventFilter; QAbstractNetworkCache; QAbstractOpenGLFunctions; QAbstractPlanarVideoBuffer; QAbstractPrintDialog; QAbstractProxyModel; QAbstractScrollArea; QAbstractSlider; QAbstractSocket; QAbstractSpinBox; QAbstractState; QAbstractTableModel; QAbstractTextDocumentLayout; QAbstractTransition; QAbstractUriResolver; QAbstractVideoBuffer; QAbstractVideoFilter; QAbstractVideoSurface; QAbstractXmlNodeModel; QAbstractXmlReceiver; QAccelerometer; QAccelerometerFilter; QAccelerometerReading; QAccessible; QAccessibleActionInterface; QAccessibleEditableTextInterface; QAccessibleEvent; QAccessibleInterface; QAccessibleObject; QAccessiblePlugin; QAccessibleStateChangeEvent; QAccessibleTableCellInterface; QAccessibleTableInterface; QAccessibleTableModelChangeEvent; QAccessibleTextCursorEvent; QAccessibleTextInsertEvent; QAccessibleTextInterface; QAccessibleTextRemoveEvent; QAccessibleTextSelectionEvent; QAccessibleTextUpdateEvent; QAccessibleValueChangeEvent; QAccessibleValueInterface; QAccessibleWidget; QAction; QActionEvent; QActionGroup; QAltimeter; QAltimeterFilter; QAltimeterReading; QAmbientLightFilter; QAmbientLightReading; QAmbientLightSensor; QAmbientTemperatureFilter; QAmbientTemperatureReading; QAmbientTemperatureSensor; QAndroidActivityResultReceiver; QAndroidJniEnvironment; QAndroidJniObject; QAnimationGroup; QApplication; QAssociativeIterable; QAtomicInt; QAtomicInteger; QAtomicPointer; QAudioBuffer; QAudioDecoder; QAudioDecoderControl; QAudioDeviceInfo; QAudioEncoderSettings; QAudioEncoderSettingsControl; QAudioFormat; QAudioInput; QAudioInputSelectorControl; QAudioOutput; QAudioOutputSelectorControl; QAudioProbe; QAudioRecorder; QAuthenticator; QAxAggregated; QAxBase; QAxBindable; QAxFactory; QAxObject; QAxScript; QAxScriptEngine; QAxScriptManager; QAxSelect; QAxWidget; ArrayAllocatingPolicy (Qt3D); AssimpParser (Qt3D)

C: QCache; QCalendarWidget; QCamera; QCameraCaptureBufferFormatControl; QCameraCaptureDestinationControl; QCameraControl; QCameraExposure; QCameraExposureControl; QCameraFeedbackControl; QCameraFlashControl; QCameraFocus; QCameraFocusControl; QCameraFocusZone; QCameraImageCapture; QCameraImageCaptureControl; QCameraImageProcessing; QCameraImageProcessingControl; QCameraInfo; QCameraInfoControl; QCameraLocksControl; QCameraViewfinder; QCameraViewfinderSettings; QCameraViewfinderSettingsControl; QCameraViewfinderSettingsControl2; QCameraZoomControl; QChar; QCheckBox; QChildEvent; QClipboard; QCloseEvent; QCocoaNativeContext; QCollator; QCollatorSortKey; QColor; QColorDialog; QColormap; QColumnView; QComboBox; QCommandLineOption; QCommandLineParser; QCommandLinkButton; QCommonStyle; QCompass; QCompassFilter; QCompassReading; QCompleter; QConicalGradient; QContextMenuEvent; QContiguousCache; QCoreApplication; QCryptographicHash; QCursor

D: QDBusAbstractAdaptor; QDBusAbstractInterface; QDBusArgument; QDBusConnection; QDBusConnectionInterface; QDBusContext; QDBusError; QDBusInterface; QDBusMessage; QDBusObjectPath; QDBusPendingCall; QDBusPendingCallWatcher; QDBusPendingReply; QDBusReply; QDBusServer; QDBusServiceWatcher; QDBusSignature; QDBusUnixFileDescriptor; QDBusVariant; QDBusVirtualObject; QDataStream; QDataWidgetMapper; QDate; QDateEdit; QDateTime; QDateTimeEdit; QDebug; QDebugStateSaver; QDesignerActionEditorInterface; QDesignerContainerExtension; QDesignerCustomWidgetCollectionInterface; QDesignerCustomWidgetInterface; QDesignerDynamicPropertySheetExtension; QDesignerFormEditorInterface; QDesignerFormWindowCursorInterface; QDesignerFormWindowInterface; QDesignerFormWindowManagerInterface; QDesignerMemberSheetExtension; QDesignerObjectInspectorInterface; QDesignerPropertyEditorInterface; QDesignerPropertySheetExtension; QDesignerTaskMenuExtension; QDesignerWidgetBoxInterface; QDesktopServices; QDesktopWidget; QDial; QDialog; QDialogButtonBox; QDir; QDirIterator; QDirModel; QDistanceFilter; QDistanceReading; QDistanceSensor; QDnsDomainNameRecord; QDnsHostAddressRecord; QDnsLookup; QDnsMailExchangeRecord; QDnsServiceRecord; QDnsTextRecord; QDockWidget; QDomAttr; QDomCDATASection; QDomCharacterData; QDomComment; QDomDocument; QDomDocumentFragment; QDomDocumentType; QDomElement; QDomEntity; QDomEntityReference; QDomImplementation; QDomNamedNodeMap; QDomNode; QDomNodeList; QDomNotation; QDomProcessingInstruction; QDomText; QDoubleSpinBox; QDoubleValidator; QDrag; QDragEnterEvent; QDragLeaveEvent; QDragMoveEvent; QDropEvent; QDynamicPropertyChangeEvent

G: QGLBuffer; QGLColormap; QGLContext; QGLFormat; QGLFramebufferObject; QGLFramebufferObjectFormat; QGLFunctions; QGLPixelBuffer; QGLShader; QGLShaderProgram; QGLWidget; QGLXNativeContext; QGenericArgument; QGenericMatrix; QGenericPlugin; QGenericPluginFactory; QGenericReturnArgument; QGeoAddress; QGeoAreaMonitorInfo; QGeoAreaMonitorSource; QGeoCircle; QGeoCodeReply; QGeoCodingManager; QGeoCodingManagerEngine; QGeoCoordinate; QGeoLocation; QGeoManeuver; QGeoPositionInfo; QGeoPositionInfoSource; QGeoPositionInfoSourceFactory; QGeoRectangle; QGeoRoute; QGeoRouteReply; QGeoRouteRequest; QGeoRouteSegment; QGeoRoutingManager; QGeoRoutingManagerEngine; QGeoSatelliteInfo; QGeoSatelliteInfoSource; QGeoServiceProvider; QGeoServiceProviderFactory; QGeoShape; QGesture; QGestureEvent; QGestureRecognizer; QGlobalStatic; QGlyphRun; QGradient; QGraphicsAnchor; QGraphicsAnchorLayout; QGraphicsBlurEffect; QGraphicsColorizeEffect; QGraphicsDropShadowEffect; QGraphicsEffect; QGraphicsEllipseItem; QGraphicsGridLayout; QGraphicsItem; QGraphicsItemAnimation; QGraphicsItemGroup; QGraphicsLayout; QGraphicsLayoutItem; QGraphicsLineItem; QGraphicsLinearLayout; QGraphicsObject; QGraphicsOpacityEffect; QGraphicsPathItem; QGraphicsPixmapItem; QGraphicsPolygonItem; QGraphicsProxyWidget; QGraphicsRectItem; QGraphicsRotation; QGraphicsScale; QGraphicsScene; QGraphicsSceneContextMenuEvent; QGraphicsSceneDragDropEvent; QGraphicsSceneEvent; QGraphicsSceneHelpEvent; QGraphicsSceneHoverEvent; QGraphicsSceneMouseEvent; QGraphicsSceneMoveEvent; QGraphicsSceneResizeEvent; QGraphicsSceneWheelEvent; QGraphicsSimpleTextItem; QGraphicsSvgItem; QGraphicsTextItem; QGraphicsTransform; QGraphicsVideoItem; QGraphicsView; QGraphicsWebView; QGraphicsWidget; QGridLayout; QGroupBox; QGuiApplication; QGyroscope; QGyroscopeFilter; QGyroscopeReading

J: QJSEngine; QJSValue; QJSValueIterator; QJsonArray; QJsonDocument; QJsonObject; QJsonParseError; QJsonValue

K: QKeyEvent; QKeyEventTransition; QKeySequence; QKeySequenceEdit

M: QMacCocoaViewContainer; QMacNativeWidget; QMacPasteboardMime; QMacToolBar; QMacToolBarItem; QMagnetometer; QMagnetometerFilter; QMagnetometerReading; QMainWindow; QMap; QMapIterator; QMargins; QMarginsF; QMaskGenerator; QMatrix; QMatrix4x4; QMdiArea; QMdiSubWindow; QMediaAudioProbeControl; QMediaAvailabilityControl; QMediaBindableInterface; QMediaContainerControl; QMediaContent; QMediaControl; QMediaGaplessPlaybackControl; QMediaNetworkAccessControl; QMediaObject; QMediaPlayer; QMediaPlayerControl; QMediaPlaylist; QMediaRecorder; QMediaRecorderControl; QMediaResource; QMediaService; QMediaServiceCameraInfoInterface; QMediaServiceDefaultDeviceInterface; QMediaServiceFeaturesInterface; QMediaServiceProviderPlugin; QMediaServiceSupportedDevicesInterface; QMediaServiceSupportedFormatsInterface; QMediaStreamsControl; QMediaTimeInterval; QMediaTimeRange; QMediaVideoProbeControl; QMenu; QMenuBar; QMessageAuthenticationCode; QMessageBox; QMessageLogContext; QMessageLogger; QMetaClassInfo; QMetaDataReaderControl; QMetaDataWriterControl; QMetaEnum; QMetaMethod; QMetaObject; QMetaProperty; QMetaType; QMimeData; QMimeDatabase; QMimeType; QModelIndex; QMouseEvent; QMouseEventTransition; QMoveEvent; QMovie; QMultiHash; QMultiMap; QMutableHashIterator; QMutableLinkedListIterator; QMutableListIterator; QMutableMapIterator; QMutableSetIterator; QMutableVectorIterator; QMutex; QMutexLocker

O: QObject; QObjectCleanupHandler; QOffscreenSurface; QOpenGLBuffer; QOpenGLContext; QOpenGLContextGroup; QOpenGLDebugLogger; QOpenGLDebugMessage; QOpenGLFramebufferObject; QOpenGLFramebufferObjectFormat; QOpenGLFunctions; 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_4_4_Compatibility; QOpenGLFunctions_4_4_Core; QOpenGLFunctions_4_5_Compatibility; QOpenGLFunctions_4_5_Core; QOpenGLFunctions_ES2; QOpenGLPaintDevice; QOpenGLPixelTransferOptions; QOpenGLShader; QOpenGLShaderProgram; QOpenGLTexture; QOpenGLTimeMonitor; QOpenGLTimerQuery; QOpenGLVersionProfile; QOpenGLVertexArrayObject; QOpenGLWidget; QOpenGLWindow; QOrientationFilter; QOrientationReading; QOrientationSensor; ObjectLevelLockingPolicy (Qt3D)

P: QPageLayout; QPageSetupDialog; QPageSize; QPagedPaintDevice; QPaintDevice; QPaintDeviceWindow; QPaintEngine; QPaintEngineState; QPaintEvent; QPainter; QPainterPath; QPainterPathStroker; QPair; QPalette; QPanGesture; QParallelAnimationGroup; QPauseAnimation; QPdfWriter; QPen; QPersistentModelIndex; QPicture; QPictureFormatPlugin; QPictureIO; QPinchGesture; QPixelFormat; QPixmap; QPixmapCache; QPlace; QPlaceAttribute; QPlaceCategory; QPlaceContactDetail; QPlaceContent; QPlaceContentReply; QPlaceContentRequest; QPlaceDetailsReply; QPlaceEditorial; QPlaceIcon; QPlaceIdReply; QPlaceImage; QPlaceManager; QPlaceManagerEngine; QPlaceMatchReply; QPlaceMatchRequest; QPlaceProposedSearchResult; QPlaceRatings; QPlaceReply; QPlaceResult; QPlaceReview; QPlaceSearchReply; QPlaceSearchRequest; QPlaceSearchResult; QPlaceSearchSuggestionReply; QPlaceSupplier; QPlaceUser; QPlainTextDocumentLayout; QPlainTextEdit; QPlatformGraphicsBuffer; QPlatformSurfaceEvent; QPlatformSystemTrayIcon; QPluginLoader; QPoint; QPointF; QPointer; QPolygon; QPolygonF; QPressureFilter; QPressureReading; QPressureSensor; QPrintDialog; QPrintEngine; QPrintPreviewDialog; QPrintPreviewWidget; QPrinter; QPrinterInfo; QProcess; QProcessEnvironment; QProgressBar; QProgressDialog; QPropertyAnimation; QProximityFilter; QProximityReading; QProximitySensor; QProxyStyle; QPushButton

Q: QQmlAbstractUrlInterceptor; QQmlApplicationEngine; QQmlComponent; QQmlContext; QQmlEngine; QQmlError; QQmlExpression; QQmlExtensionPlugin; QQmlFileSelector; QQmlImageProviderBase; QQmlIncubationController; QQmlIncubator; QQmlListProperty; QQmlListReference; QQmlNdefRecord; QQmlNetworkAccessManagerFactory; QQmlParserStatus; QQmlProperty; QQmlPropertyMap; QQmlPropertyValueSource; QQmlScriptString; QQuaternion; QQueue; QQuickFramebufferObject; QQuickImageProvider; QQuickItem; QQuickItemGrabResult; QQuickPaintedItem; QQuickRenderControl; QQuickTextDocument; QQuickTextureFactory; QQuickView; QQuickWidget; QQuickWindow; QTouchEventSequence (QTest); Q3DKeyEvent (Qt3D); Q3DMouseEvent (Qt3D); Q3DWheelEvent (Qt3D); QAbstractAspect (Qt3D); QAbstractFrameAdvanceService (Qt3D); QAbstractServiceProvider (Qt3D); QBackendScenePropertyChange (Qt3D); QCameraLens (Qt3D); QChangeArbiter (Qt3D); QCircularBuffer (Qt3D); QComponent (Qt3D); QEntity (Qt3D); QFrameAllocator (Qt3D); QInputAspect (Qt3D); QKeyboardController (Qt3D); QKeyboardInput (Qt3D); QMouseController (Qt3D); QMouseInput (Qt3D); QNode (Qt3D); QOpenGLInformationService (Qt3D); QResourceManager (Qt3D); QScenePropertyChange (Qt3D); QServiceLocator (Qt3D); QSystemInformationService (Qt3D); QTickClockService (Qt3D); qoutputrange

S: QSGAbstractRenderer; QSGBasicGeometryNode; QSGClipNode; QSGDynamicTexture; QSGEngine; QSGFlatColorMaterial; QSGGeometry; QSGGeometryNode; QSGMaterial; QSGMaterialShader; QSGMaterialType; QSGNode; QSGOpacityNode; QSGOpaqueTextureMaterial; QSGSimpleMaterial; QSGSimpleMaterialShader; QSGSimpleRectNode; QSGSimpleTextureNode; QSGTexture; QSGTextureMaterial; QSGTextureProvider; QSGTransformNode; QSGVertexColorMaterial; QSaveFile; QScopedArrayPointer; QScopedPointer; QScopedValueRollback; QScreen; QScriptClass; QScriptClassPropertyIterator; QScriptContext; QScriptContextInfo; QScriptEngine; QScriptEngineAgent; QScriptEngineDebugger; QScriptExtensionPlugin; QScriptProgram; QScriptString; QScriptSyntaxCheckResult; QScriptValue; QScriptValueIterator; QScriptable; QScrollArea; QScrollBar; QScrollEvent; QScrollPrepareEvent; QScroller; QScrollerProperties; QSemaphore; QSensor; QSensorBackend; QSensorBackendFactory; QSensorChangesInterface; QSensorFilter; QSensorGesture; QSensorGestureManager; QSensorGesturePluginInterface; QSensorGestureRecognizer; QSensorManager; QSensorPluginInterface; QSensorReading; QSequentialAnimationGroup; QSequentialIterable; QSerialPort; QSerialPortInfo; QSessionManager; QSet; QSetIterator; QSettings; QSharedData; QSharedDataPointer; QSharedMemory; QSharedPointer; QShortcut; QShortcutEvent; QShowEvent; QSignalBlocker; QSignalMapper; QSignalSpy; QSignalTransition; QSimpleXmlNodeModel; QSize; QSizeF; QSizeGrip; QSizePolicy; QSlider; QSocketNotifier; QSortFilterProxyModel; QSound; QSoundEffect; QSourceLocation; QSpacerItem; QSpinBox; QSplashScreen; QSplitter; QSplitterHandle; QSqlDatabase; QSqlDriver; QSqlDriverCreator; QSqlDriverCreatorBase; QSqlDriverPlugin; QSqlError; QSqlField; QSqlIndex; QSqlQuery; QSqlQueryModel; QSqlRecord; QSqlRelation; QSqlRelationalDelegate; QSqlRelationalTableModel; QSqlResult; QSqlTableModel; QSslCertificate; QSslCertificateExtension; QSslCipher; QSslConfiguration; QSslEllipticCurve; QSslError; QSslKey; QSslPreSharedKeyAuthenticator; QSslSocket; QStack; QStackedLayout; QStackedWidget; QStandardItem; QStandardItemEditorCreator; QStandardItemModel; QStandardPaths; QState; QStateMachine; QStaticPlugin; QStaticText; QStatusBar; QStatusTipEvent; QStorageInfo; QString; QStringList; QStringListModel; QStringMatcher; QStringRef; QStyle; QStyleFactory; QStyleHintReturn; QStyleHintReturnMask; QStyleHintReturnVariant; QStyleHints; QStyleOption; QStyleOptionButton; QStyleOptionComboBox; QStyleOptionComplex; QStyleOptionDockWidget; QStyleOptionFocusRect; QStyleOptionFrame; QStyleOptionGraphicsItem; QStyleOptionGroupBox; QStyleOptionHeader; QStyleOptionMenuItem; QStyleOptionProgressBar; QStyleOptionRubberBand; QStyleOptionSizeGrip; QStyleOptionSlider; QStyleOptionSpinBox; QStyleOptionTab; QStyleOptionTabBarBase; QStyleOptionTabWidgetFrame; QStyleOptionTitleBar; QStyleOptionToolBar; QStyleOptionToolBox; QStyleOptionToolButton; QStyleOptionViewItem; QStylePainter; QStylePlugin; QStyledItemDelegate; QSupportedWritingSystems; QSurface; QSurfaceFormat; QSvgGenerator; QSvgRenderer; QSvgWidget; QSwipeGesture; QSyntaxHighlighter; QSysInfo; QSystemSemaphore; QSystemTrayIcon

T: QTabBar; QTabWidget; QTableView; QTableWidget; QTableWidgetItem; QTableWidgetSelectionRange; QTabletEvent; QTapAndHoldGesture; QTapFilter; QTapGesture; QTapReading; QTapSensor; QTcpServer; QTcpSocket; QTemporaryDir; QTemporaryFile; QTestEventList; QTextBlock; QTextBlockFormat; QTextBlockGroup; QTextBlockUserData; QTextBoundaryFinder; QTextBrowser; QTextCharFormat; QTextCodec; QTextCursor; QTextDecoder; QTextDocument; QTextDocumentFragment; QTextDocumentWriter; QTextEdit; QTextEncoder; QTextFormat; QTextFragment; QTextFrame; QTextFrameFormat; QTextImageFormat; QTextInlineObject; QTextItem; QTextLayout; QTextLength; QTextLine; QTextList; QTextListFormat; QTextObject; QTextObjectInterface; QTextOption; QTextStream; QTextTable; QTextTableCell; QTextTableCellFormat; QTextTableFormat; QThread; QThreadPool; QThreadStorage; QTileRules; QTiltFilter; QTiltReading; QTiltSensor; QTime; QTimeEdit; QTimeLine; QTimeZone; QTimer; QTimerEvent; QToolBar; QToolBox; QToolButton; QToolTip; QTouchDevice; QTouchEvent; QTransform; QTranslator; QTreeView; QTreeWidget; QTreeWidgetItem; QTreeWidgetItemIterator

U: QUdpSocket; QUiLoader; QUndoCommand; QUndoGroup; QUndoStack; QUndoView; QUnhandledException; QUrl; QUrlQuery; QUuid

W: QWGLNativeContext; QWaitCondition; QWeakPointer; QWebChannel; QWebChannelAbstractTransport; QWebDatabase; QWebElement; QWebElementCollection; QWebEngineCertificateError; QWebEngineDownloadItem; QWebEngineHistory; QWebEngineHistoryItem; QWebEnginePage; QWebEngineProfile; QWebEngineScript; QWebEngineScriptCollection; QWebEngineSettings; QWebEngineView; QWebFrame; QWebHistory; QWebHistoryInterface; QWebHistoryItem; QWebHitTestResult; QWebInspector; QWebPage; QWebPluginFactory; QWebSecurityOrigin; QWebSettings; QWebSocket; QWebSocketCorsAuthenticator; QWebSocketServer; QWebView; QWhatsThis; QWhatsThisClickedEvent; QWheelEvent; QWidget; QWidgetAction; QWidgetItem; QWinEventNotifier; QWinJumpList; QWinJumpListCategory; QWinJumpListItem; QWinMime; QWinTaskbarButton; QWinTaskbarProgress; QWinThumbnailToolBar; QWinThumbnailToolButton; QWindow; QWindowStateChangeEvent; QWindowsWindowFunctions; QWizard; QWizardPage; QWriteLocker

See also All Modules and Obsolete Classes.

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