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All Qt Classes (main index)

This is a list of all Qt classes. For a list of the classes provided for compatibility with Qt3, see Qt3 Support Classes. For classes that have been deprecated, see the Obsolete Classes list.

QAbstractAnimation QFont QNetworkCookie QStyleOptionTabBarBaseV2
QAbstractButton QFontComboBox QNetworkCookieJar QStyleOptionTabV2
QAbstractEventDispatcher QFontDatabase QNetworkDiskCache QStyleOptionTabV3
QAbstractExtensionFactory QFontDialog QNetworkInterface QStyleOptionTabWidgetFrame
QAbstractExtensionManager QFontEngineInfo QNetworkProxy QStyleOptionTabWidgetFrameV2
QAbstractFileEngine QFontEnginePlugin QNetworkProxyFactory QStyleOptionTitleBar
QAbstractFileEngineHandler QFontInfo QNetworkProxyQuery QStyleOptionToolBar
QAbstractFileEngineIterator QFontMetrics QNetworkReply QStyleOptionToolBox
QAbstractFontEngine QFontMetricsF QNetworkRequest QStyleOptionToolBoxV2
QAbstractFormBuilder QFormBuilder Notifier (Phonon::BackendCapabilities) QStyleOptionToolButton
QAbstractGraphicsShapeItem QFormLayout QObject QStyleOptionViewItem
QAbstractItemDelegate QFrame QObjectCleanupHandler QStyleOptionViewItemV2
QAbstractItemModel QFSFileEngine ObjectDescription (Phonon) QStyleOptionViewItemV3
QAbstractItemView QFtp QPageSetupDialog QStyleOptionViewItemV4
QAbstractListModel QFuture QPaintDevice QStylePainter
QAbstractMessageHandler QFutureIterator QPaintEngine QStylePlugin
QAbstractNetworkCache QFutureSynchronizer QPaintEngineState QSvgGenerator
QAbstractPrintDialog QFutureWatcher QPainter QSvgRenderer
QAbstractProxyModel QGenericArgument QPainterPath QSvgWidget
QAbstractScrollArea QGenericMatrix QPainterPathStroker QSwipeGesture
QAbstractSlider QGenericReturnArgument QPaintEvent QSymbianEvent
QAbstractSocket QGesture QPair QSyntaxHighlighter
QAbstractSpinBox QGestureEvent QPalette QSysInfo
QAbstractState QGestureRecognizer QPanGesture QSystemLocale
QAbstractTableModel QGLColormap QParallelAnimationGroup QSystemSemaphore
QAbstractTextDocumentLayout QGLContext Path (Phonon) QSystemTrayIcon
QAbstractTransition QGLFormat QPauseAnimation QTabBar
QAbstractUriResolver QGLFramebufferObject QPen QTabletEvent
QAbstractVideoBuffer QGLFramebufferObjectFormat QPersistentModelIndex QTableView
QAbstractVideoSurface QGLPixelBuffer QPicture QTableWidget
QAbstractXmlNodeModel QGLShader QPinchGesture QTableWidgetItem
QAbstractXmlReceiver QGLShaderProgram QPixmap QTableWidgetSelectionRange
QAccessible QGLWidget QPixmapCache QTabWidget
QAccessibleBridge QGradient QPlainTextDocumentLayout QTapAndHoldGesture
QAccessibleBridgePlugin QGraphicsAnchor QPlainTextEdit QTapGesture
QAccessibleEvent QGraphicsAnchorLayout QPlastiqueStyle QTcpServer
QAccessibleInterface QGraphicsBlurEffect QPluginLoader QTcpSocket
QAccessibleObject QGraphicsColorizeEffect QPoint QTemporaryFile
QAccessiblePlugin QGraphicsDropShadowEffect QPointer QTestEventList
QAccessibleWidget QGraphicsEffect QPointF QTextBlock
QAction QGraphicsEllipseItem QPolygon QTextBlockFormat
QActionEvent QGraphicsGridLayout QPolygonF QTextBlockGroup
QActionGroup QGraphicsItem QPrintDialog QTextBlockUserData
QAnimationGroup QGraphicsItemAnimation QPrintEngine QTextBoundaryFinder
QApplication QGraphicsItemGroup QPrinter QTextBrowser
QAtomicInt QGraphicsLayout QPrinterInfo QTextCharFormat
QAtomicPointer QGraphicsLayoutItem QPrintPreviewDialog QTextCodec
QAudioDeviceInfo QGraphicsLinearLayout QPrintPreviewWidget QTextCodecPlugin
QAudioFormat QGraphicsLineItem QProcess QTextCursor
QAudioInput QGraphicsObject QProcessEnvironment QTextDecoder
QAudioOutput QGraphicsOpacityEffect QProgressBar QTextDocument
QAuthenticator QGraphicsPathItem QProgressDialog QTextDocumentFragment
QAxAggregated QGraphicsPixmapItem QPropertyAnimation QTextDocumentWriter
QAxBase QGraphicsPolygonItem QProxyScreen QTextEdit
QAxBindable QGraphicsProxyWidget QProxyScreenCursor QTextEncoder
QAxFactory QGraphicsRectItem QProxyStyle QTextFormat
QAxObject QGraphicsRotation QPushButton QTextFragment
QAxScript QGraphicsScale QTouchEventSequence (QTest) QTextFrame
QAxScriptEngine QGraphicsScene QQuaternion QTextFrameFormat
QAxScriptManager QGraphicsSceneContextMenuEvent QQueue QTextImageFormat
QAxWidget QGraphicsSceneDragDropEvent QRadialGradient QTextInlineObject
QBasicTimer QGraphicsSceneEvent QRadioButton QTextItem
QBitArray QGraphicsSceneHelpEvent QRasterPaintEngine QTextLayout
QBitmap QGraphicsSceneHoverEvent QReadLocker QTextLength
QBoxLayout QGraphicsSceneMouseEvent QReadWriteLock QTextLine
QBrush QGraphicsSceneMoveEvent QRect QTextList
QBuffer QGraphicsSceneResizeEvent QRectF QTextListFormat
QButtonGroup QGraphicsSceneWheelEvent QRegExp QTextObject
QByteArray QGraphicsSimpleTextItem QRegExpValidator QTextObjectInterface
QByteArrayMatcher QGraphicsSvgItem QRegion QTextOption
QCache QGraphicsTextItem QResizeEvent QTextStream
QCalendarWidget QGraphicsTransform QResource QTextTable
QCDEStyle QGraphicsView QRubberBand QTextTableCell
QChar QGraphicsWebView QRunnable QTextTableCellFormat
QCheckBox QGraphicsWidget QS60MainApplication QTextTableFormat
QChildEvent QGridLayout QS60MainAppUi QThread
QCleanlooksStyle QGroupBox QS60MainDocument QThreadPool
QClipboard QGtkStyle QS60Style QThreadStorage
QCloseEvent QHash QScopedArrayPointer QTileRules
QColor QHashIterator QScopedPointer QTime
QColorDialog QHBoxLayout QScreen QTimeEdit
QColormap QHeaderView QScreenCursor QTimeLine
QColumnView QHelpContentItem QScreenDriverFactory QTimer
QComboBox QHelpContentModel QScreenDriverPlugin QTimerEvent
QCommandLinkButton QHelpContentWidget QScriptable QToolBar
QCommonStyle QHelpEngine QScriptClass QToolBox
QCompleter QHelpEngineCore QScriptClassPropertyIterator QToolButton
QConicalGradient QHelpEvent QScriptContext QToolTip
QContextMenuEvent QHelpIndexModel QScriptContextInfo QTouchEvent
QContiguousCache QHelpIndexWidget QScriptEngine QTransform
QCopChannel QHelpSearchEngine QScriptEngineAgent QTranslator
QCoreApplication QHelpSearchQuery QScriptEngineDebugger QTreeView
QCryptographicHash QHelpSearchQueryWidget QScriptExtensionPlugin QTreeWidget
QCursor QHelpSearchResultWidget QScriptString QTreeWidgetItem
QCustomRasterPaintDevice QHideEvent QScriptSyntaxCheckResult QTreeWidgetItemIterator
QDataStream QHistoryState QScriptValue QUdpSocket
QDataWidgetMapper QHostAddress QScriptValueIterator QUiLoader
QDate QHostInfo QScrollArea QUndoCommand
QDateEdit QHoverEvent QScrollBar QUndoGroup
QDateTime QIcon SeekSlider (Phonon) QUndoStack
QDateTimeEdit QIconDragEvent QSemaphore QUndoView
QDBusAbstractAdaptor QIconEngine QSequentialAnimationGroup UnhandledException (QtConcurrent)
QDBusAbstractInterface QIconEnginePlugin QSessionManager QUrl
QDBusArgument QIconEnginePluginV2 QSet QUrlInfo
QDBusConnection QIconEngineV2 QSetIterator QUuid
QDBusConnectionInterface QImage QSettings QValidator
QDBusContext QImageIOHandler QSharedData QVariant
QDBusError QImageIOPlugin QSharedDataPointer QVariantAnimation
QDBusInterface QImageReader QSharedMemory QVarLengthArray
QDBusMessage QImageWriter QSharedPointer QVBoxLayout
QDBusObjectPath QInputContext QShortcut QVector
QDBusPendingCall QInputContextFactory QShortcutEvent QVector2D
QDBusPendingCallWatcher QInputContextPlugin QShowEvent QVector3D
QDBusPendingReply QInputDialog QSignalMapper QVector4D
QDBusReply QInputEvent QSignalSpy QVectorIterator
QDBusServer QInputMethodEvent QSignalTransition QVideoFrame
QDBusServiceWatcher QIntValidator QSimpleXmlNodeModel VideoPlayer (Phonon)
QDBusSignature QIODevice QSize QVideoSurfaceFormat
QDBusVariant QItemDelegate QSizeF VideoWidget (Phonon)
QDebug QItemEditorCreator QSizeGrip VolumeSlider (Phonon)
QDecoration QItemEditorCreatorBase QSizePolicy QWaitCondition
QDecorationDefault QItemEditorFactory QSlider QWeakPointer
QDecorationFactory QItemSelection QSocketNotifier QWebDatabase
QDecorationPlugin QItemSelectionModel QSortFilterProxyModel QWebElement
QDesignerActionEditorInterface QItemSelectionRange QSound QWebElementCollection
QDesignerContainerExtension QKbdDriverFactory QSourceLocation QWebFrame
QDesignerCustomWidgetCollectionInterface QKbdDriverPlugin QSpacerItem QWebHistory
QDesignerCustomWidgetInterface QKeyEvent QSpinBox QWebHistoryInterface
QDesignerDynamicPropertySheetExtension QKeyEventTransition QSplashScreen QWebHistoryItem
QDesignerFormEditorInterface QKeySequence QSplitter QWebHitTestResult
QDesignerFormWindowCursorInterface QLabel QSplitterHandle QWebInspector
QDesignerFormWindowInterface QLatin1Char QSqlDatabase QWebPage
QDesignerFormWindowManagerInterface QLatin1String QSqlDriver QWebPluginFactory
QDesignerMemberSheetExtension QLayout QSqlDriverCreator QWebSecurityOrigin
QDesignerObjectInspectorInterface QLayoutItem QSqlDriverCreatorBase QWebSettings
QDesignerPropertyEditorInterface QLCDNumber QSqlDriverPlugin QWebView
QDesignerPropertySheetExtension QLibrary QSqlError QWhatsThis
QDesignerTaskMenuExtension QLibraryInfo QSqlField QWhatsThisClickedEvent
QDesignerWidgetBoxInterface QLine QSqlIndex QWheelEvent
QDesktopServices QLinearGradient QSqlQuery QWidget
QDesktopWidget QLineEdit QSqlQueryModel QWidgetAction
QDial QLineF QSqlRecord QWidgetItem
QDialog QLinkedList QSqlRelation QWindowsMime
QDialogButtonBox QLinkedListIterator QSqlRelationalDelegate QWindowsStyle
QDir QList QSqlRelationalTableModel QWindowStateChangeEvent
QDirectPainter QListIterator QSqlResult QWindowsVistaStyle
QDirIterator QListView QSqlTableModel QWindowsXPStyle
QDirModel QListWidget QSslCertificate QWizard
QDockWidget QListWidgetItem QSslCipher QWizardPage
QDomAttr QLocale QSslConfiguration QWriteLocker
QDomCDATASection QLocalServer QSslError QWSCalibratedMouseHandler
QDomCharacterData QLocalSocket QSslKey QWSClient
QDomComment QMacCocoaViewContainer QSslSocket QWSEmbedWidget
QDomDocument QMacNativeWidget QStack QWSEvent
QDomDocumentFragment QMacPasteboardMime QStackedLayout QWSGLWindowSurface
QDomDocumentType QMacStyle QStackedWidget QWSInputMethod
QDomElement QMainWindow QStandardItem QWSKeyboardHandler
QDomEntity QMap QStandardItemEditorCreator QWSMouseHandler
QDomEntityReference QMapIterator QStandardItemModel QWSPointerCalibrationData
QDomImplementation QMargins QState QWSScreenSaver
QDomNamedNodeMap QMatrix4x4 QStateMachine QWSServer
QDomNode QMdiArea QStatusBar QWSWindow
QDomNodeList QMdiSubWindow QStatusTipEvent QX11EmbedContainer
QDomNotation MediaController (Phonon) QString QX11EmbedWidget
QDomProcessingInstruction MediaNode (Phonon) QStringList QX11Info
QDomText MediaObject (Phonon) QStringListModel QXmlAttributes
QDoubleSpinBox MediaSource (Phonon) QStringMatcher QXmlContentHandler
QDoubleValidator QMenu QStringRef QXmlDeclHandler
QDrag QMenuBar QStyle QXmlDefaultHandler
QDragEnterEvent QMessageBox QStyledItemDelegate QXmlDTDHandler
QDragLeaveEvent QMetaClassInfo QStyleFactory QXmlEntityResolver
QDragMoveEvent QMetaEnum QStyleHintReturn QXmlErrorHandler
QDropEvent QMetaMethod QStyleHintReturnMask QXmlFormatter
QDynamicPropertyChangeEvent QMetaObject QStyleHintReturnVariant QXmlInputSource
QEasingCurve QMetaProperty QStyleOption QXmlItem
Effect (Phonon) QMetaType QStyleOptionButton QXmlLexicalHandler
EffectParameter (Phonon) QMimeData QStyleOptionComboBox QXmlLocator
EffectWidget (Phonon) QModelIndex QStyleOptionComplex QXmlName
QErrorMessage QMotifStyle QStyleOptionDockWidget QXmlNamePool
QEvent QMouseDriverFactory QStyleOptionFocusRect QXmlNamespaceSupport
QEventLoop QMouseDriverPlugin QStyleOptionFrame QXmlNodeModelIndex
QEventTransition QMouseEvent QStyleOptionFrameV2 QXmlParseException
Exception (QtConcurrent) QMouseEventTransition QStyleOptionFrameV3 QXmlQuery
QExplicitlySharedDataPointer QMoveEvent QStyleOptionGraphicsItem QXmlReader
QExtensionFactory QMovie QStyleOptionGroupBox QXmlResultItems
QExtensionManager QMultiHash QStyleOptionHeader QXmlSchema
QFile QMultiMap QStyleOptionMenuItem QXmlSchemaValidator
QFileDialog QMutableHashIterator QStyleOptionProgressBar QXmlSerializer
QFileIconProvider QMutableLinkedListIterator QStyleOptionProgressBarV2 QXmlSimpleReader
QFileInfo QMutableListIterator QStyleOptionQ3DockWindow QXmlStreamAttribute
QFileOpenEvent QMutableMapIterator QStyleOptionQ3ListView QXmlStreamAttributes
QFileSystemModel QMutableSetIterator QStyleOptionQ3ListViewItem QXmlStreamEntityDeclaration
QFileSystemWatcher QMutableVectorIterator QStyleOptionRubberBand QXmlStreamEntityResolver
QFinalState QMutex QStyleOptionSizeGrip QXmlStreamNamespaceDeclaration
QFlag QMutexLocker QStyleOptionSlider QXmlStreamNotationDeclaration
QFlags QNetworkAccessManager QStyleOptionSpinBox QXmlStreamReader
QFocusEvent QNetworkAddressEntry QStyleOptionTab QXmlStreamWriter
QFocusFrame QNetworkCacheMetaData QStyleOptionTabBarBase  

See also Qt3 Support Classes, All Qt Modules, and Obsolete Classes.


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Qt 4.6.3