Home · All Classes · Main Classes · Grouped Classes · Modules · Functions

Qt's Classes

This is a list of all Qt classes excluding the Qt 3 compatibility classes. For a shorter list that only includes the most frequently used classes, see Qt's Main Classes and the Qt 4.3 Class Chart (PDF).

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

See also Qt 3 Compatibility Classes and Qt's Modules.


Copyright © 2008 Trolltech Trademarks
Qt 4.4.1