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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 QDomNode QIODevice QSizePolicy QTextCursor
QAbstractEventDispatcher QDomNodeList QItemDelegate QSlider QTextDecoder
QAbstractFileEngine QDomNotation QItemEditorCreatorBase QSocketNotifier QTextDocument
QAbstractFileEngineHandler QDomProcessingInstruction QItemEditorFactory QSortFilterProxyModel QTextDocumentFragment
QAbstractFileEngineIterator QDomText QItemSelection QSound QTextEdit
QAbstractGraphicsShapeItem QDoubleSpinBox QItemSelectionModel QSpacerItem QTextEdit_ExtraSelection
QAbstractItemDelegate QDoubleValidator QItemSelectionRange QSpinBox QTextEncoder
QAbstractItemModel QDrag QKeyEvent QSplashScreen QTextFormat
QAbstractItemView QDragEnterEvent QKeySequence QSplitter QTextFragment
QAbstractListModel QDragLeaveEvent QLabel QSplitterHandle QTextFrame
QAbstractPageSetupDialog QDragMoveEvent QLayout QSql QTextFrame_iterator
QAbstractPrintDialog QDropEvent QLayoutItem QSqlDatabase QTextFrameFormat
QAbstractProxyModel QDynamicPropertyChangeEvent QLayoutItemInterface QSqlDriver QTextImageFormat
QAbstractScrollArea QErrorMessage QLCDNumber QSqlDriverCreatorBase QTextInlineObject
QAbstractSlider QEvent QLibraryInfo QSqlError QTextItem
QAbstractSocket QEventLoop QLine QSqlField QTextLayout
QAbstractSpinBox QFile QLinearGradient QSqlIndex QTextLayout_FormatRange
QAbstractTableModel QFileDialog QLineEdit QSqlQuery QTextLength
QAbstractTextDocumentLayout QFileIconProvider QLineF QSqlQueryModel QTextLine
QAbstractTextDocumentLayout_PaintContext QFileInfo QListView QSqlRecord QTextList
QAbstractTextDocumentLayout_Selection QFileOpenEvent QListWidget QSqlRelation QTextListFormat
QAccessible QFileSystemWatcher QListWidgetItem QSqlRelationalTableModel QTextObject
QAccessibleBridge QFocusEvent QLocale QSqlResult QTextOption
QAccessibleEvent QFocusFrame QMainWindow QSqlTableModel QTextStream
QAccessibleInterface QFont QMatrix QSsl QTextTable
QAccessibleObject QFontComboBox QMdiArea QStackedLayout QTextTableCell
QAccessibleWidget QFontDatabase QMdiSubWindow QStackedWidget QTextTableFormat
QAction QFontDialog QMenu QStandardItem QTime
QActionEvent QFontInfo QMenuBar QStandardItemModel QTimeEdit
QActionGroup QFontMetrics QMessageBox QStatusBar QTimeLine
QApplication QFontMetricsF QMimeData QStatusTipEvent QTimer
QAuthenticator QFrame QMotifStyle QStringListModel QTimerEvent
QBasicTimer QFSFileEngine QMouseEvent QStringMatcher QToolBar
QBitArray QFtp QMoveEvent QStyle QToolBarChangeEvent
QBitmap QGL QMovie QStyleFactory QToolBox
QBoxLayout QGLColormap QMutex QStyleHintReturn QToolButton
QBrush QGLContext QNetworkAddressEntry QStyleHintReturnMask QToolTip
QBuffer QGLFormat QNetworkInterface QStyleHintReturnVariant QTransform
QButtonGroup QGLFramebufferObject QNetworkProxy QStyleOption QTranslator
QByteArray QGLPixelBuffer QObject QStyleOptionButton QTreeView
QByteArrayMatcher QGLWidget QPageSetupDialog QStyleOptionComboBox QTreeWidget
QCalendarWidget QGradient QPaintDevice QStyleOptionComplex QTreeWidgetItem
QCDEStyle QGraphicsEllipseItem QPaintDeviceInterface QStyleOptionDockWidget QTreeWidgetItemIterator
QCheckBox QGraphicsItem QPaintEngine QStyleOptionFocusRect QUdpSocket
QChildEvent QGraphicsItemAnimation QPaintEngineState QStyleOptionFrame QUndoCommand
QCleanlooksStyle QGraphicsItemGroup QPainter QStyleOptionFrameV2 QUndoGroup
QClipboard QGraphicsItemInterface QPainterPath QStyleOptionGraphicsItem QUndoStack
QClipboardEvent QGraphicsLineItem QPainterPath_Element QStyleOptionGroupBox QUndoView
QCloseEvent QGraphicsPathItem QPainterPathStroker QStyleOptionHeader QUrl
QColor QGraphicsPixmapItem QPaintEvent QStyleOptionMenuItem QUrlInfo
QColorDialog QGraphicsPolygonItem QPalette QStyleOptionProgressBar QUuid
QColormap QGraphicsRectItem QPen QStyleOptionProgressBarV2 QValidator
QColumnView QGraphicsScene QPersistentModelIndex QStyleOptionRubberBand QVBoxLayout
QComboBox QGraphicsSceneContextMenuEvent QPicture QStyleOptionSizeGrip QWaitCondition
QCommonStyle QGraphicsSceneDragDropEvent QPictureIO QStyleOptionSlider QWhatsThis
QCompleter QGraphicsSceneEvent QPixmap QStyleOptionSpinBox QWhatsThisClickedEvent
QConicalGradient QGraphicsSceneHelpEvent QPixmapCache QStyleOptionTab QWheelEvent
QContextMenuEvent QGraphicsSceneHoverEvent QPlastiqueStyle QStyleOptionTabBarBase QWidget
QCoreApplication QGraphicsSceneMouseEvent QPoint QStyleOptionTabV2 QWidgetAction
QCryptographicHash QGraphicsSceneWheelEvent QPointF QStyleOptionTabWidgetFrame QWidgetItem
QCursor QGraphicsSimpleTextItem QPolygon QStyleOptionTitleBar QWindowsStyle
QDataStream QGraphicsSvgItem QPolygonF QStyleOptionToolBar QWindowStateChangeEvent
QDataWidgetMapper QGraphicsTextItem QPrintDialog QStyleOptionToolBox QWizard
QDate QGraphicsView QPrintEngine QStyleOptionToolBoxV2 QWizardPage
QDateEdit QGridLayout QPrinter QStyleOptionToolButton QWorkspace
QDateTime QGroupBox QProcess QStyleOptionViewItem QXmlAttributes
QDateTimeEdit QHBoxLayout QProgressBar QStyleOptionViewItemV2 QXmlContentHandler
QDesignerMemberSheetExtension QHeaderView QProgressDialog QStylePainter QXmlContentHandlerInterface
QDesignerMemberSheetExtensionInterface QHelpEvent QProxyModel QSvgRenderer QXmlDeclHandler
QDesignerPropertySheetExtension QHideEvent QPushButton QSvgWidget QXmlDeclHandlerInterface
QDesignerPropertySheetExtensionInterface QHostAddress QRadialGradient QSyntaxHighlighter QXmlDefaultHandler
QDesktopServices QHostInfo QRadioButton QSystemLocale QXmlDTDHandler
QDesktopWidget QHoverEvent QReadWriteLock QSystemTrayIcon QXmlDTDHandlerInterface
QDial QHttp QRect Qt QXmlEntityResolver
QDialog QHttpHeader QRectF QTabBar QXmlEntityResolverInterface
QDialogButtonBox QHttpRequestHeader QRegExp QTabletEvent QXmlErrorHandler
QDir QHttpResponseHeader QRegExpValidator QTableView QXmlErrorHandlerInterface
QDirIterator QIcon QRegion QTableWidget QXmlInputSource
QDirModel QIconDragEvent QResizeEvent QTableWidgetItem QXmlLexicalHandler
QDockWidget QIconEngine QRubberBand QTableWidgetSelectionRange QXmlLexicalHandlerInterface
QDomAttr QIconEngineV2 QScrollArea QTabWidget QXmlLocator
QDomCDATASection QImage QScrollBar QTcpServer QXmlNamespaceSupport
QDomCharacterData QImageIOHandler QSemaphore QTcpSocket QXmlParseException
QDomComment QImageReader QSessionManager QTemporaryFile QXmlReader
QDomDocument QImageWriter QSettings QTextBlock QXmlSimpleReader
QDomDocumentFragment QInputContext QShortcut QTextBlock_iterator QXmlStreamAttribute
QDomDocumentType QInputContextFactory QShortcutEvent QTextBlockFormat QXmlStreamAttributes
QDomElement QInputDialog QShowEvent QTextBlockGroup QXmlStreamEntityDeclaration
QDomEntity QInputEvent QSignalMapper QTextBlockUserData QXmlStreamNamespaceDeclaration
QDomEntityReference QInputMethodEvent QSize QTextBrowser QXmlStreamNotationDeclaration
QDomImplementation QInputMethodEvent_Attribute QSizeF QTextCharFormat QXmlStreamReader
QDomNamedNodeMap QIntValidator QSizeGrip QTextCodec QXmlStreamWriter

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


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Qt Jambi 4.3.2_01