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Class Inheritance Hierarchy
This list shows the C++ class inheritance relations between the classes in the Qt API.
QAbstractExtensionFactory
QExtensionFactory
QAbstractExtensionManager
QExtensionManager
QAbstractFileEngine
QFSFileEngine
QAbstractFileEngineHandler
QAbstractFormBuilder
QFormBuilder
QAccessible
QAccessibleInterface
QAccessibleObject
QAccessibleWidget
QAccessiblePlugin
QAccessibleBridge
QAxAggregated
QAxBase
QAxObject
QAxScriptEngine
QAxWidget
QAxBindable
QBasicTimer
QBitArray
QBrush
QByteArray
Q3CString
QByteArrayMatcher
QCache
QChar
QColor
QColormap
QCursor
QDataStream
QDate
QDateTime
QDecoration
QDecorationFactory
QDesignerContainerExtension
QDesignerCustomWidgetCollectionInterface
QDesignerCustomWidgetInterface
QDesignerFormWindowCursorInterface
QDesignerMemberSheetExtension
QDesignerPropertySheetExtension
QDesignerTaskMenuExtension
QDir
QDomImplementation
QDomNamedNodeMap
QDomNode
QDomAttr
QDomCharacterData
QDomComment
QDomText
QDomCDATASection
QDomDocument
QDomDocumentFragment
QDomDocumentType
QDomElement
QDomEntity
QDomEntityReference
QDomNotation
QDomProcessingInstruction
QDomNodeList
QEvent
QAccessibleEvent
QActionEvent
QChildEvent
QCloseEvent
QCustomEvent
QDragLeaveEvent
QDropEvent
QDragMoveEvent
QDragEnterEvent
QFileOpenEvent
QFocusEvent
QHelpEvent
QHideEvent
QHoverEvent
QIconDragEvent
QInputEvent
QContextMenuEvent
QKeyEvent
QMouseEvent
QTabletEvent
QWheelEvent
QInputMethodEvent
QMoveEvent
QPaintEvent
QResizeEvent
QShortcutEvent
QShowEvent
QStatusTipEvent
QTimerEvent
QWhatsThisClickedEvent
QWindowStateChangeEvent
QFileIconProvider
QFileInfo
QFlag
QFlags
QFont
QFontDatabase
QFontInfo
QFontMetrics
QFontMetricsF
QGLColormap
QGLContext
QGLFormat
QGenericArgument
QGenericReturnArgument
QGradient
QConicalGradient
QLinearGradient
QRadialGradient
QHash
QMultiHash
QHashIterator
QHostAddress
QHostInfo
QHttpHeader
QHttpRequestHeader
QHttpResponseHeader
QIcon
QIconEngine
QImageIOHandler
QImageReader
QImageWriter
QInputContextFactory
QItemEditorCreatorBase
QItemEditorFactory
QItemSelectionRange
QKbdDriverFactory
QKeySequence
QLatin1Char
QLatin1String
QLayoutItem
QLayout
QBoxLayout
QHBoxLayout
QVBoxLayout
QGridLayout
QStackedLayout
QSpacerItem
QWidgetItem
QLibraryInfo
QLine
QLineF
QLinkedList
Q3ValueList
Q3CanvasItemList
Q3ValueStack
QLinkedListIterator
QList
QItemSelection
QQueue
QSignalSpy
QStringList
QTestEventList
QListIterator
QListWidgetItem
QLocale
QMacMime
QMap
QMultiMap
QMapIterator
QMatrix
QMetaClassInfo
QMetaEnum
QMetaMethod
QMetaObject
QMetaProperty
QMetaType
QMimeSource
Q3DragObject
Q3IconDrag
Q3ImageDrag
Q3StoredDrag
Q3ColorDrag
Q3UriDrag
Q3TextDrag
QDropEvent
QDragMoveEvent
QDragEnterEvent
QModelIndex
QMouseDriverFactory
QMutableHashIterator
QMutableLinkedListIterator
QMutableListIterator
QMutableMapIterator
QMutableVectorIterator
QMutex
QMutexLocker
QNetworkProxy
QObject
Q3Accel
Q3Action
Q3ActionGroup
Q3Canvas
Q3Dns
Q3DragObject
Q3IconDrag
Q3ImageDrag
Q3StoredDrag
Q3ColorDrag
Q3UriDrag
Q3TextDrag
Q3EditorFactory
Q3SqlEditorFactory
Q3FileIconProvider
Q3NetworkOperation
Q3NetworkProtocol
Q3Ftp
Q3Http
Q3LocalFs
Q3Process
Q3ServerSocket
Q3Signal
Q3SqlForm
Q3StyleSheet
Q3UrlOperator
Q3WhatsThis
QAbstractEventDispatcher
QAbstractItemDelegate
QItemDelegate
QSqlRelationalDelegate
QAbstractItemModel
QAbstractListModel
QStringListModel
QAbstractProxyModel
QSortFilterProxyModel
QAbstractTableModel
QSqlQueryModel
QSqlTableModel
QSqlRelationalTableModel
QDirModel
QProxyModel
QStandardItemModel
QAbstractTextDocumentLayout
QAccessibleBridgePlugin
QAccessiblePlugin
QAction
QMenuItem
QActionGroup
QAssistantClient
QAxFactory
QAxObject
QAxScriptEngine
QAxScript
QAxScriptManager
QButtonGroup
QClipboard
QCopChannel
QCoreApplication
QApplication
QDecorationPlugin
QDesignerFormEditorInterface
QDesignerFormWindowManagerInterface
QDirectPainter
QDrag
QEventLoop
QExtensionFactory
QExtensionManager
QFtp
QHttp
QIODevice
Q3Socket
Q3SocketDevice
QAbstractSocket
QTcpSocket
QUdpSocket
QBuffer
QFile
QTemporaryFile
QProcess
QIconEnginePlugin
QImageIOPlugin
QInputContext
QInputContextPlugin
QItemSelectionModel
QKbdDriverPlugin
QLayout
QBoxLayout
QHBoxLayout
QVBoxLayout
QGridLayout
QStackedLayout
QLibrary
QMimeData
QMouseDriverPlugin
QMovie
QObjectCleanupHandler
QPictureFormatPlugin
QPluginLoader
QScreenDriverPlugin
QSessionManager
QSettings
QShortcut
QSignalMapper
QSignalSpy
QSocketNotifier
QSound
QSqlDriver
QSqlDriverPlugin
QStyle
QCommonStyle
QMotifStyle
QCDEStyle
QWindowsStyle
QMacStyle
QPlastiqueStyle
QWindowsXPStyle
QStylePlugin
QSvgRenderer
QSyntaxHighlighter
QTcpServer
QTextCodecPlugin
QTextDocument
QTextObject
QTextBlockGroup
QTextList
QTextFrame
QTextTable
QThread
QTimer
QTranslator
QUiLoader
QValidator
QDoubleValidator
QIntValidator
QRegExpValidator
QWSInputMethod
QWSServer
QWidget
Q3ComboBox
Q3DataBrowser
Q3DataView
Q3DateTimeEdit
Q3DateTimeEditBase
Q3DateEdit
Q3TimeEdit
Q3DockArea
Q3Header
Q3MainWindow
QAbstractButton
Q3Button
QCheckBox
QPushButton
QRadioButton
QToolButton
QAbstractSlider
QDial
QScrollBar
QSlider
QAbstractSpinBox
QDateTimeEdit
QDateEdit
QTimeEdit
QDoubleSpinBox
QSpinBox
QAxWidget
QComboBox
QDesignerActionEditorInterface
QDesignerFormWindowInterface
QDesignerObjectInspectorInterface
QDesignerPropertyEditorInterface
QDesignerWidgetBoxInterface
QDesktopWidget
QDialog
Q3FileDialog
Q3ProgressDialog
Q3TabDialog
Q3Wizard
QAbstractPrintDialog
QPrintDialog
QColorDialog
QErrorMessage
QFileDialog
QFontDialog
QInputDialog
QMessageBox
QPageSetupDialog
QProgressDialog
QDockWidget
QFocusFrame
QFrame
Q3Frame
Q3DockWindow
Q3ToolBar
Q3Grid
Q3HBox
Q3VBox
Q3ScrollView
Q3CanvasView
Q3GridView
Q3IconView
Q3ListBox
Q3ListView
Q3Table
Q3DataTable
Q3TextEdit
Q3MultiLineEdit
Q3TextBrowser
Q3TextView
Q3WidgetStack
Q3ProgressBar
QAbstractScrollArea
QAbstractItemView
QHeaderView
QListView
QListWidget
QTableView
QTableWidget
QTreeView
QTreeWidget
QScrollArea
QTextEdit
QTextBrowser
QLCDNumber
QLabel
QSplitter
QStackedWidget
QToolBox
QGLWidget
QGroupBox
Q3GroupBox
Q3ButtonGroup
Q3HButtonGroup
Q3VButtonGroup
QLineEdit
QMainWindow
QMenu
Q3PopupMenu
QMenuBar
QProgressBar
QRubberBand
QSizeGrip
QSplashScreen
QSplitterHandle
QStatusBar
QSvgWidget
QTabBar
QTabWidget
QToolBar
QWorkspace
QX11EmbedContainer
QX11EmbedWidget
QPaintDevice
QGLPixelBuffer
QImage
QPicture
Q3Picture
QPixmap
Q3CanvasPixmap
QBitmap
QPrinter
QWidget
Q3ComboBox
Q3DataBrowser
Q3DataView
Q3DateTimeEdit
Q3DateTimeEditBase
Q3DateEdit
Q3TimeEdit
Q3DockArea
Q3Header
Q3MainWindow
QAbstractButton
Q3Button
QCheckBox
QPushButton
QRadioButton
QToolButton
QAbstractSlider
QDial
QScrollBar
QSlider
QAbstractSpinBox
QDateTimeEdit
QDateEdit
QTimeEdit
QDoubleSpinBox
QSpinBox
QAxWidget
QComboBox
QDesignerActionEditorInterface
QDesignerFormWindowInterface
QDesignerObjectInspectorInterface
QDesignerPropertyEditorInterface
QDesignerWidgetBoxInterface
QDesktopWidget
QDialog
Q3FileDialog
Q3ProgressDialog
Q3TabDialog
Q3Wizard
QAbstractPrintDialog
QPrintDialog
QColorDialog
QErrorMessage
QFileDialog
QFontDialog
QInputDialog
QMessageBox
QPageSetupDialog
QProgressDialog
QDockWidget
QFocusFrame
QFrame
Q3Frame
Q3DockWindow
Q3ToolBar
Q3Grid
Q3HBox
Q3VBox
Q3ScrollView
Q3CanvasView
Q3GridView
Q3IconView
Q3ListBox
Q3ListView
Q3Table
Q3DataTable
Q3TextEdit
Q3MultiLineEdit
Q3TextBrowser
Q3TextView
Q3WidgetStack
Q3ProgressBar
QAbstractScrollArea
QAbstractItemView
QHeaderView
QListView
QListWidget
QTableView
QTableWidget
QTreeView
QTreeWidget
QScrollArea
QTextEdit
QTextBrowser
QLCDNumber
QLabel
QSplitter
QStackedWidget
QToolBox
QGLWidget
QGroupBox
Q3GroupBox
Q3ButtonGroup
Q3HButtonGroup
Q3VButtonGroup
QLineEdit
QMainWindow
QMenu
Q3PopupMenu
QMenuBar
QProgressBar
QRubberBand
QSizeGrip
QSplashScreen
QSplitterHandle
QStatusBar
QSvgWidget
QTabBar
QTabWidget
QToolBar
QWorkspace
QX11EmbedContainer
QX11EmbedWidget
QPaintEngine
QPaintEngineState
QPainter
Q3Painter
QStylePainter
QPainterPath
QPainterPathStroker
QPair
QPalette
QColorGroup
QPen
QPersistentModelIndex
QPictureIO
QPixmapCache
QPoint
QPointF
QPointer
QPrintEngine
QReadLocker
QReadWriteLock
QRect
QRectF
QRegExp
QRegion
QScreen
QScreenDriverFactory
QSemaphore
QSet
QSetIterator
QSharedData
QSharedDataPointer
QSize
QSizeF
QSizePolicy
QSqlDatabase
QSqlDriverCreatorBase
QSqlDriverCreator
QSqlError
QSqlField
QSqlQuery
Q3SqlCursor
Q3SqlSelectCursor
QSqlRecord
Q3SqlCursor
Q3SqlSelectCursor
QSqlIndex
QSqlRelation
QSqlResult
QString
QStringMatcher
QStyleFactory
QStyleHintReturn
QStyleHintReturnMask
QStyleOption
QStyleOptionButton
QStyleOptionComplex
QStyleOptionComboBox
QStyleOptionGroupBox
QStyleOptionQ3ListView
QStyleOptionSlider
QStyleOptionSpinBox
QStyleOptionTitleBar
QStyleOptionToolButton
QStyleOptionDockWidget
QStyleOptionFocusRect
QStyleOptionFrame
QStyleOptionFrameV2
QStyleOptionHeader
QStyleOptionMenuItem
QStyleOptionProgressBar
QStyleOptionProgressBarV2
QStyleOptionQ3DockWindow
QStyleOptionQ3ListViewItem
QStyleOptionRubberBand
QStyleOptionTab
QStyleOptionTabV2
QStyleOptionTabBarBase
QStyleOptionTabWidgetFrame
QStyleOptionToolBar
QStyleOptionToolBox
QStyleOptionViewItem
QSysInfo
QTableWidgetItem
QTableWidgetSelectionRange
QTextBlock
QTextBlockUserData
QTextCodec
QTextCursor
QTextDecoder
QTextDocumentFragment
QTextEncoder
QTextFormat
QTextBlockFormat
QTextCharFormat
QTextImageFormat
QTextFrameFormat
QTextTableFormat
QTextListFormat
QTextFragment
QTextInlineObject
QTextLayout
QTextLength
QTextLine
QTextOption
QTextStream
QTextIStream
QTextOStream
QTextTableCell
QThreadStorage
QTime
QToolTip
QTreeWidgetItem
QUrl
QUrlInfo
QUuid
QVarLengthArray
QVariant
QVector
Q3ValueVector
QPolygon
Q3PointArray
QPolygonF
QStack
QVectorIterator
QWSKeyboardHandler
QWSMouseHandler
QWSWindow
QWaitCondition
QWhatsThis
QWindowsMime
QWriteLocker
QX11Info
QXmlAttributes
QXmlContentHandler
QXmlDefaultHandler
QXmlDTDHandler
QXmlDefaultHandler
QXmlDeclHandler
QXmlDefaultHandler
QXmlEntityResolver
QXmlDefaultHandler
QXmlErrorHandler
QXmlDefaultHandler
QXmlInputSource
QXmlLexicalHandler
QXmlDefaultHandler
QXmlLocator
QXmlNamespaceSupport
QXmlParseException
QXmlReader
QXmlSimpleReader
Copyright © 2005
Trolltech
Trademarks
Qt 4.1.0