Qt Documentation

Qt 4.8
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All Classes

This is a list of all Qt classes. For a list of the classes provided for compatibility with Qt3, seeQt3 Support Classes. For classes that have been deprecated, see theObsolete Classes list.

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

3: Q3Accel; Q3Action; Q3ActionGroup; Q3AsciiCache; Q3AsciiCacheIterator; Q3AsciiDict; Q3AsciiDictIterator; Q3Button; Q3ButtonGroup; Q3CString; Q3Cache; Q3CacheIterator; Q3Canvas; Q3CanvasEllipse; Q3CanvasItem; Q3CanvasItemList; Q3CanvasLine; Q3CanvasPixmap; Q3CanvasPixmapArray; Q3CanvasPolygon; Q3CanvasPolygonalItem; Q3CanvasRectangle; Q3CanvasSpline; Q3CanvasSprite; Q3CanvasText; Q3CanvasView; Q3CheckListItem; Q3CheckTableItem; Q3ColorDrag; Q3ComboBox; Q3ComboTableItem; Q3DataBrowser; Q3DataTable; Q3DataView; Q3DateEdit; Q3DateTimeEdit; Q3DateTimeEditBase; Q3DeepCopy; Q3Dict; Q3DictIterator; Q3Dns; Q3DockArea; Q3DockWindow; Q3DragObject; Q3DropSite; Q3EditorFactory; Q3FileDialog; Q3FileIconProvider; Q3FilePreview; Q3Frame; Q3Ftp; Q3Grid; Q3GridView; Q3GroupBox; Q3HBox; Q3HBoxLayout; Q3HButtonGroup; Q3HGroupBox; Q3Header; Q3Http; Q3HttpHeader; Q3HttpRequestHeader; Q3HttpResponseHeader; Q3IconDrag; Q3IconDragItem; Q3IconView; Q3IconViewItem; Q3ImageDrag; Q3IntCache; Q3IntCacheIterator; Q3IntDict; Q3IntDictIterator; Q3ListBox; Q3ListBoxItem; Q3ListBoxPixmap; Q3ListBoxText; Q3ListView; Q3ListViewItem; Q3ListViewItemIterator; Q3LocalFs; Q3MainWindow; Q3MemArray; Q3MimeSourceFactory; Q3MultiLineEdit; Q3NetworkOperation; Q3NetworkProtocol; Q3PaintDeviceMetrics; Q3Painter; Q3Picture; Q3PointArray; Q3PopupMenu; Q3Process; Q3ProgressBar; Q3ProgressDialog; Q3PtrCollection; Q3PtrDict; Q3PtrDictIterator; Q3PtrList; Q3PtrListIterator; Q3PtrQueue; Q3PtrStack; Q3PtrVector; Q3RangeControl; Q3ScrollView; Q3Semaphore; Q3ServerSocket; Q3Shared; Q3Signal; Q3SimpleRichText; Q3Socket; Q3SocketDevice; Q3SqlCursor; Q3SqlEditorFactory; Q3SqlFieldInfo; Q3SqlForm; Q3SqlPropertyMap; Q3SqlRecordInfo; Q3SqlSelectCursor; Q3StoredDrag; Q3StrIList; Q3StrList; Q3StrListIterator; Q3StyleSheet; Q3StyleSheetItem; Q3SyntaxHighlighter; Q3TabDialog; Q3Table; Q3TableItem; Q3TableSelection; Q3TextBrowser; Q3TextDrag; Q3TextEdit; Q3TextStream; Q3TextView; Q3TimeEdit; Q3ToolBar; Q3UriDrag; Q3Url; Q3VBox; Q3VBoxLayout; Q3VButtonGroup; Q3VGroupBox; Q3ValueList; Q3ValueListConstIterator; Q3ValueListIterator; Q3ValueStack; Q3ValueVector; Q3WhatsThis; Q3WidgetStack; Q3Wizard

A: AudioDataOutput (Phonon); AudioOutput (Phonon); QAbstractAnimation; QAbstractButton; QAbstractEventDispatcher; QAbstractExtensionFactory; QAbstractExtensionManager; QAbstractFileEngine; QAbstractFileEngineHandler; QAbstractFileEngineIterator; QAbstractFontEngine; QAbstractFormBuilder; QAbstractGraphicsShapeItem; QAbstractItemDelegate; QAbstractItemModel; QAbstractItemView; QAbstractListModel; QAbstractMessageHandler; QAbstractNetworkCache; QAbstractPrintDialog; QAbstractProxyModel; QAbstractScrollArea; QAbstractSlider; QAbstractSocket; QAbstractSpinBox; QAbstractState; QAbstractTableModel; QAbstractTextDocumentLayout; QAbstractTransition; QAbstractUriResolver; QAbstractVideoBuffer; QAbstractVideoSurface; QAbstractXmlNodeModel; QAbstractXmlReceiver; QAccessible; QAccessibleBridge; QAccessibleBridgePlugin; QAccessibleEvent; QAccessibleInterface; QAccessibleObject; QAccessiblePlugin; QAccessibleWidget; QAction; QActionEvent; QActionGroup; QAnimationGroup; QApplication; QAtomicInt; QAtomicPointer; QAudioDeviceInfo; QAudioFormat; QAudioInput; QAudioOutput; QAuthenticator; QAxAggregated; QAxBase; QAxBindable; QAxFactory; QAxObject; QAxScript; QAxScriptEngine; QAxScriptManager; QAxWidget

B: QBasicTimer; QBitArray; QBitmap; QBoxLayout; QBrush; QBuffer; QButtonGroup; QByteArray; QByteArrayMatcher

C: QCDEStyle; QCache; QCalendarWidget; QChar; QCheckBox; QChildEvent; QCleanlooksStyle; QClipboard; QCloseEvent; QColor; QColorDialog; QColorGroup; QColormap; QColumnView; QComboBox; QCommandLinkButton; QCommonStyle; QCompleter; QConicalGradient; QConstString; QContextMenuEvent; QContiguousCache; QCopChannel; QCoreApplication; QCryptographicHash; QCursor; QCustomEvent; QCustomRasterPaintDevice

D: QDBusAbstractAdaptor; QDBusAbstractInterface; QDBusArgument; QDBusConnection; QDBusConnectionInterface; QDBusContext; QDBusError; QDBusInterface; QDBusMessage; QDBusObjectPath; QDBusPendingCall; QDBusPendingCallWatcher; QDBusPendingReply; QDBusReply; QDBusServiceWatcher; QDBusSignature; QDBusUnixFileDescriptor; QDBusVariant; QDataStream; QDataWidgetMapper; QDate; QDateEdit; QDateTime; QDateTimeEdit; QDebug; QDeclarativeComponent; QDeclarativeContext; QDeclarativeEngine; QDeclarativeError; QDeclarativeExpression; QDeclarativeExtensionPlugin; QDeclarativeImageProvider; QDeclarativeItem; QDeclarativeListProperty; QDeclarativeNetworkAccessManagerFactory; QDeclarativeParserStatus; QDeclarativeProperty; QDeclarativePropertyMap; QDeclarativePropertyValueSource; QDeclarativeScriptString; QDeclarativeView; QDecoration; QDecorationDefault; QDecorationFactory; QDecorationPlugin; QDesignerActionEditorInterface; QDesignerContainerExtension; QDesignerCustomWidgetCollectionInterface; QDesignerCustomWidgetInterface; QDesignerDynamicPropertySheetExtension; QDesignerFormEditorInterface; QDesignerFormWindowCursorInterface; QDesignerFormWindowInterface; QDesignerFormWindowManagerInterface; QDesignerMemberSheetExtension; QDesignerObjectInspectorInterface; QDesignerPropertyEditorInterface; QDesignerPropertySheetExtension; QDesignerTaskMenuExtension; QDesignerWidgetBoxInterface; QDesktopServices; QDesktopWidget; QDial; QDialog; QDialogButtonBox; QDir; QDirIterator; QDirModel; QDirectPainter; 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

E: Effect (Phonon); EffectParameter (Phonon); EffectWidget (Phonon); QEasingCurve; QElapsedTimer; QErrorMessage; QEvent; QEventLoop; QEventTransition; QExplicitlySharedDataPointer; QExtensionFactory; QExtensionManager; Exception (QtConcurrent)

F: QFSFileEngine; QFile; QFileDialog; QFileIconProvider; QFileInfo; QFileOpenEvent; QFileSystemModel; QFileSystemWatcher; QFinalState; QFlag; QFlags; QFocusEvent; QFocusFrame; QFont; QFontComboBox; QFontDatabase; QFontDialog; QFontEngineInfo; QFontEnginePlugin; QFontInfo; QFontMetrics; QFontMetricsF; QFormBuilder; QFormLayout; QFrame; QFtp; QFuture; QFutureIterator; QFutureSynchronizer; QFutureWatcher

G: QGLBuffer; QGLContext; QGLFormat; QGLFramebufferObject; QGLFramebufferObjectFormat; QGLFunctions; QGLPixelBuffer; QGLShader; QGLShaderProgram; QGLWidget; QGenericArgument; QGenericMatrix; QGenericPlugin; QGenericPluginFactory; QGenericReturnArgument; QGesture; QGestureEvent; QGestureRecognizer; 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; QGraphicsView; QGraphicsWebView; QGraphicsWidget; QGridLayout; QGroupBox; QGtkStyle

H: QHBoxLayout; QHash; QHashIterator; QHeaderView; QHelpContentItem; QHelpContentModel; QHelpContentWidget; QHelpEngine; QHelpEngineCore; QHelpEvent; QHelpIndexModel; QHelpIndexWidget; QHelpSearchEngine; QHelpSearchQuery; QHelpSearchQueryWidget; QHelpSearchResultWidget; QHideEvent; QHistoryState; QHostAddress; QHostInfo; QHoverEvent; QHttp; QHttpHeader; QHttpMultiPart; QHttpPart; QHttpRequestHeader; QHttpResponseHeader

I: QIODevice; QIcon; QIconDragEvent; QIconEngine; QIconEnginePlugin; QIconEnginePluginV2; QIconEngineV2; QIdentityProxyModel; QImage; QImageIOHandler; QImageIOPlugin; QImageReader; QImageWriter; QInputContext; QInputContextFactory; QInputContextPlugin; QInputDialog; QInputEvent; QInputMethodEvent; QIntValidator; QItemDelegate; QItemEditorCreator; QItemEditorCreatorBase; QItemEditorFactory; QItemSelection; QItemSelectionModel; QItemSelectionRange

K: QKbdDriverFactory; QKbdDriverPlugin; QKeyEvent; QKeyEventTransition; QKeySequence

L: QLCDNumber; QLabel; QLatin1Char; QLatin1String; QLayout; QLayoutItem; QLibrary; QLibraryInfo; QLine; QLineEdit; QLineF; QLinearGradient; QLinkedList; QLinkedListIterator; QList; QListIterator; QListView; QListWidget; QListWidgetItem; QLocalServer; QLocalSocket; QLocale

M: MediaController (Phonon); MediaNode (Phonon); MediaObject (Phonon); MediaSource (Phonon); QMacCocoaViewContainer; QMacNativeWidget; QMacPasteboardMime; QMacStyle; QMainWindow; QMap; QMapIterator; QMargins; QMatrix; QMatrix4x4; QMdiArea; QMdiSubWindow; QMenu; QMenuBar; QMenuItem; QMessageBox; QMetaClassInfo; QMetaEnum; QMetaMethod; QMetaObject; QMetaProperty; QMetaType; QMimeData; QMimeSource; QModelIndex; QMotifStyle; QMouseDriverFactory; QMouseDriverPlugin; QMouseEvent; QMouseEventTransition; QMoveEvent; QMovie; QMultiHash; QMultiMap; QMutableHashIterator; QMutableLinkedListIterator; QMutableListIterator; QMutableMapIterator; QMutableSetIterator; QMutableVectorIterator; QMutex; QMutexLocker

N: Notifier (Phonon::BackendCapabilities); QNetworkAccessManager; QNetworkAddressEntry; QNetworkCacheMetaData; QNetworkConfiguration; QNetworkConfigurationManager; QNetworkCookie; QNetworkCookieJar; QNetworkDiskCache; QNetworkInterface; QNetworkProxy; QNetworkProxyFactory; QNetworkProxyQuery; QNetworkReply; QNetworkRequest; QNetworkSession

O: ObjectDescription (Phonon); QObject; QObjectCleanupHandler

P: Path (Phonon); QPageSetupDialog; QPaintDevice; QPaintEngine; QPaintEngineState; QPaintEvent; QPainter; QPainterPath; QPainterPathStroker; QPair; QPalette; QPanGesture; QParallelAnimationGroup; QPauseAnimation; QPen; QPersistentModelIndex; QPicture; QPictureFormatPlugin; QPictureIO; QPinchGesture; QPixmap; QPixmapCache; QPlainTextDocumentLayout; QPlainTextEdit; QPlastiqueStyle; QPlatformCursor; QPlatformCursorImage; QPlatformFontDatabase; QPlatformWindowFormat; QPluginLoader; QPoint; QPointF; QPointer; QPolygon; QPolygonF; QPrintDialog; QPrintEngine; QPrintPreviewDialog; QPrintPreviewWidget; QPrinter; QPrinterInfo; QProcess; QProcessEnvironment; QProgressBar; QProgressDialog; QPropertyAnimation; QProxyModel; QProxyScreen; QProxyScreenCursor; QProxyStyle; QPushButton

Q: QQuaternion; QQueue; QTouchEventSequence (QTest)

R: QRadialGradient; QRadioButton; QRasterPaintEngine; QRawFont; QReadLocker; QReadWriteLock; QRect; QRectF; QRegExp; QRegExpValidator; QRegion; QResizeEvent; QResource; QRubberBand; QRunnable

S: SeekSlider (Phonon); QS60MainAppUi; QS60MainApplication; QS60MainDocument; QS60Style; QScopedArrayPointer; QScopedPointer; QScopedValueRollback; QScreen; QScreenCursor; QScreenDriverFactory; QScreenDriverPlugin; QScriptClass; QScriptClassPropertyIterator; QScriptContext; QScriptContextInfo; QScriptEngine; QScriptEngineAgent; QScriptEngineDebugger; QScriptExtensionPlugin; QScriptProgram; QScriptString; QScriptSyntaxCheckResult; QScriptValue; QScriptValueIterator; QScriptable; QScrollArea; QScrollBar; QSemaphore; QSequentialAnimationGroup; QSessionManager; QSet; QSetIterator; QSettings; QSharedData; QSharedDataPointer; QSharedMemory; QSharedPointer; QShortcut; QShortcutEvent; QShowEvent; QSignalMapper; QSignalSpy; QSignalTransition; QSimpleXmlNodeModel; QSize; QSizeF; QSizeGrip; QSizePolicy; QSlider; QSocketNotifier; QSortFilterProxyModel; QSound; QSourceLocation; QSpacerItem; QSpinBox; QSplashScreen; QSplitter; QSplitterHandle; QSqlDatabase; QSqlDriver; QSqlDriverCreator; QSqlDriverCreatorBase; QSqlDriverPlugin; QSqlError; QSqlField; QSqlIndex; QSqlQuery; QSqlQueryModel; QSqlRecord; QSqlRelation; QSqlRelationalDelegate; QSqlRelationalTableModel; QSqlResult; QSqlTableModel; QSslCertificate; QSslCipher; QSslConfiguration; QSslError; QSslKey; QSslSocket; QStack; QStackedLayout; QStackedWidget; QStandardItem; QStandardItemEditorCreator; QStandardItemModel; QState; QStateMachine; QStaticText; QStatusBar; QStatusTipEvent; QString; QStringList; QStringListModel; QStringMatcher; QStringRef; QStyle; QStyleFactory; QStyleHintReturn; QStyleHintReturnMask; QStyleHintReturnVariant; QStyleOption; QStyleOptionButton; QStyleOptionComboBox; QStyleOptionComplex; QStyleOptionDockWidget; QStyleOptionFocusRect; QStyleOptionFrame; QStyleOptionFrameV2; QStyleOptionFrameV3; QStyleOptionGraphicsItem; QStyleOptionGroupBox; QStyleOptionHeader; QStyleOptionMenuItem; QStyleOptionProgressBar; QStyleOptionProgressBarV2; QStyleOptionQ3DockWindow; QStyleOptionQ3ListView; QStyleOptionQ3ListViewItem; QStyleOptionRubberBand; QStyleOptionSizeGrip; QStyleOptionSlider; QStyleOptionSpinBox; QStyleOptionTab; QStyleOptionTabBarBase; QStyleOptionTabBarBaseV2; QStyleOptionTabV2; QStyleOptionTabV3; QStyleOptionTabWidgetFrame; QStyleOptionTabWidgetFrameV2; QStyleOptionTitleBar; QStyleOptionToolBar; QStyleOptionToolBox; QStyleOptionToolBoxV2; QStyleOptionToolButton; QStyleOptionViewItem; QStyleOptionViewItemV2; QStyleOptionViewItemV3; QStyleOptionViewItemV4; QStylePainter; QStylePlugin; QStyledItemDelegate; QSupportedWritingSystems; QSvgGenerator; QSvgRenderer; QSvgWidget; QSwipeGesture; QSymbianEvent; QSymbianGraphicsSystemHelper; QSyntaxHighlighter; QSysInfo; QSystemLocale; QSystemSemaphore; QSystemTrayIcon

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

U: QUdpSocket; QUiLoader; QUndoCommand; QUndoGroup; QUndoStack; QUndoView; QUrl; QUrlInfo; QUuid; UnhandledException (QtConcurrent)

V: VideoPlayer (Phonon); VideoWidget (Phonon); VideoWidgetInterface44 (Phonon); VolumeSlider (Phonon); QVBoxLayout; QValidator; QVarLengthArray; QVariant; QVariantAnimation; QVector; QVector2D; QVector3D; QVector4D; QVectorIterator; QVideoFrame; QVideoSurfaceFormat

W: QWSCalibratedMouseHandler; QWSClient; QWSEmbedWidget; QWSEvent; QWSGLWindowSurface; QWSInputMethod; QWSKeyboardHandler; QWSMouseHandler; QWSPointerCalibrationData; QWSScreenSaver; QWSServer; QWSWindow; QWaitCondition; QWeakPointer; QWebDatabase; QWebElement; QWebElementCollection; QWebFrame; QWebHistory; QWebHistoryInterface; QWebHistoryItem; QWebHitTestResult; QWebInspector; QWebPage; QWebPluginFactory; QWebSecurityOrigin; QWebSettings; QWebView; QWhatsThis; QWhatsThisClickedEvent; QWheelEvent; QWidget; QWidgetAction; QWidgetItem; QWindowStateChangeEvent; QWindowsMime; QWindowsStyle; QWindowsVistaStyle; QWindowsXPStyle; QWizard; QWizardPage; QWorkspace; QWriteLocker

X: QX11EmbedContainer; QX11EmbedWidget; QX11Info; QXmlAttributes; QXmlContentHandler; QXmlDTDHandler; QXmlDeclHandler; QXmlDefaultHandler; QXmlEntityResolver; QXmlErrorHandler; QXmlFormatter; QXmlInputSource; QXmlItem; QXmlLexicalHandler; QXmlLocator; QXmlName; QXmlNamePool; QXmlNamespaceSupport; QXmlNodeModelIndex; QXmlParseException; QXmlQuery; QXmlReader; QXmlResultItems; QXmlSchema; QXmlSchemaValidator; QXmlSerializer; QXmlSimpleReader; QXmlStreamAttribute; QXmlStreamAttributes; QXmlStreamEntityDeclaration; QXmlStreamEntityResolver; QXmlStreamNamespaceDeclaration; QXmlStreamNotationDeclaration; QXmlStreamReader; QXmlStreamWriter

See alsoQt3 Support Classes,All Modules, andObsolete Classes.

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