Symbian to Qt comparison table - Early Draft

Table mapping Symbian classes to Qt classes

Symbian	Qt	Description
CMMFDevSound, CAknKeySoundSystem	AudioOutput (Phonon)	Used to send data to audio output devices.
CAudioEffect	Effect (Phonon)	Is used to transform audio streams.
CAudioEqualizer, CDistanceAttenuation, CDoppler, CBassBoost, CLoudness, CRoomLevel, CStereoWidening. Symbian also has classes to manage the presets, for example CAudioEqualizerUtility	EffectParameter (Phonon)	Describes on e parameter of an effect.
CAknSettingItemList	EffectWidget (Phonon)	Provides a widget to control the parameters of an Effect.
No Avkon equivalent. (Symbian OS does have KERN-EXEC 3 exceptions which are passed from the kernel to a user thread, but these cannot be caught)	Exception (QtConcurrent)	Provides a base class for exceptions that can transferred across threads.
No Avkon equivalent. (presumably because DVD content on mobile devices is an unusual use-case)	MediaController (Phonon)	Controls optional features of a media file/device.
No Avkon equivalent. (in the MMF, the classes connect to the h/w via storage of handles)	MediaNode (Phonon)	Is the base class for all nodes in a media graph.
CMdaAudioPlayerUtility, CVideoPlayerUtility, CDrmPlayerUtility	MediaObject (Phonon)	Provides an interface for media playback.
CMMFClip or CMMFFile. (Symbian has a "tone" framework which can also generate sounds, for which there seems no equivalent, for example CMdaAudioToneUtility.)	MediaSource (Phonon)	Provides multimedia data for media objects.
No Avkon equivalent.	Notifier (Phonon::BackendCapabilities)	Notifications about backend capabilities.
No Avkon equivalent. (In the case of effects, it is possible Symbian s/w can presume that all effects are available on the h/w for the same SDK? In the case of multiple audio/visual output devices, this is probably an unusual use case for mobile devices.)	ObjectDescription (Phonon)	Provides information about Phonon objects.
No Avkon equivalent.	Path (Phonon)	Describes connections between media nodes.
CAknButton	QAbstractButton	Provides the functionality common to buttons.
MAknWsEventObserver (nearest)	QAbstractEventDispatcher	Provides an interface to manage Qt's event queue.
RFs	QAbstractFileEngine	Provides an abstraction for accessing the filesystem.
RFs	QAbstractFileEngineHandler	Provides a way to register custom file engines with your application.
RFs	QAbstractFileEngineIterator	Provides an interator interface for custom file engines.
MCoeControlBrushContext	QAbstractGraphicsShapeItem	Provides a common base for all path bitems.
No Avkon equivalent.	QAbstractItemDelegate	Used to display and edit data items from a model.
No Avkon equivalent.	QAbstractItemModel	Provides the abstract interface for item model class.
No Avkon equivalent.	QAbstractItemView	Provides the basic functionality for item view classes.
MListEikListBox and CListBoxView	QAbstractListModel	Provides an abstract model that can be subclassed to create one-dimensional list models.
TSoInetRouteInfo (nearest)	QAbstractNetworkCache	Provides the interface for cache implementations.
No Avkon equivalent.	QAbstractPrintDialog	Provides a base implementation for print dialogs used to configure printers.
No Avkon equivalent.	QAbstractProxyModel	Provides a base class for proxy item models that can do sorting, filtering or other data processing tasks.
CEikCScrollBarFrame	QAbstractScrollArea	Provides a scrolling area with on-demand scroll bars.
CAknSlider	QAbstractSlider	Provides the integer values for the slider range.
RSocket	QAbstractSocket	Provides the base functionality common to all socket types.
No Avkon equivalent.	QAbstractSpinBox	Provides a spinbox and line edit to display values.
No Avkon equivalent. (use text view or XML.)	QAbstractTableModel	Provides an abstract model that can be subclassed to create table models.
CTextLayout	QAbstractTextDocumentLayout	An abstract base class used to implement custom layouts for QTextDocuments.
No Avkon equivalent.	QAccessible	Provides enums and static functions relating to accessibility.
No Avkon equivalent.	QAccessibleBridge	Is the base class for accessibility back-ends.
REComSession	QAccessibleBridgePlugin	Provides an abstract base for accessibility bridge plugins.
Active objects or the event handlers in CCoeControl	QAccessibleEvent	Used to query addition accessibility information about complex widgets.
No Avkon equivalent.	QAccessibleInterface	Defines an interface that exposes information about accessible objects.
No Avkon equivalent.	QAccessibleObject	Implements parts of the QAcessibleInterface for Qobjects.
REComSession	QAccessiblePlugin	Provides an abstract base for accessibility plugins.
No Avkon equivalent.	QAccessibleWidget	Implements the QAccessibleInterface for Qwidgets.
Active objects	QAction	Provides user interface action that can be inserted into widgets.
Active objects	QActionEvent	Provides an event that is generated when a Qaction is added, removed, or changed.
Active objects	QActionGroup	Groups actions together.
CAknAppUiBase	QApplication	Manages the GUI application's control flow and main settings.
TInt (nearest)	QAtomicInt	Provides platform-independent atomic operations on integers.
RPoniterArray (nearest)	QAtomicPointer	A template class that provides platform-independent atomic operations on pointers.
RWindowBase::PasswordWindow() & RWsSession::PasswordEntered()	QAuthenticator	Provides an authentication object.
RTimer	QBasicTimer	Provides timer events for objects.
std::bitset and dynamic_bitset (nearest)	QBitArray	Provides an array of bits.
CGraphicsContext::DrawBitmap	QBitmap	Provides a monochrome (1-bit depth) pixmaps.
CEikAlignedControl or CEikSpacer	QBoxLayout	Lines up child widgets horizontally or vertically.
UseBrushPattern,SetBrushColor and SetBrushStyle. (This is for using a bitmap as a brush.)	QBrush	Defines the fill pattern of shapes drawn by Qpainter.
Rbuf	QBuffer	Provides a QIODevice binterface for a QByteArray.
MEikButtonGroup	QButtonGroup	Provides a container to organize groups of button widgets.
Rbuf (either RBuf8 or Rbuf 16)(Basically, this is a job for descriptors)	QByteArray	Provides an array of bytes.
Rbuf (either RBuf8 or Rbuf 16)(Basically, this is a job for descriptors)	QByteArrayMatcher	Holds a sequence of bytes that can be quickly matched in a byte array.
CPageCache	QCache	A template class provides a cache.
MEikCalendarObserver	QCalendarWidget	Provides a monthly based calendar widget allowing the user to select a date.
No Avkon equivalent.	QCDEStyle	Provides a CDE look and feel.
Rbuf (either RBuf8 or Rbuf 16)(Basically, this is a job for descriptors)	QChar	Provides a 16-bit Unicode character
CAknListQueryDialog	QCheckBox	Provides a checkbox with a text label.
For child controls - CCoeControl::SetContainerWindowL	QChildEvent	Contains event parameters for child object events.
No Avkon equivalent.	QCleanlooksStyle	Provides a widget style similar to the Clearlooks style available in GNOME.
CEikEdwin::ClipboardL	QClipboard	Provides access to the window system clipboard.
No direct equivalent - use the nearest event observer class.	QCloseEvent	Contains parameters that describe a close event.
CAknsColorTableItemData	QColor	Provides colours based on RGB,HSV or CMYK values.
CAknColourSelectionGrid	QColorDialog	Provides a dialog widget for specifying colours.
CColorArray	QColormap	Maps device independent Qcolors to device dependent pixel values.
AknLayoutUtils	QColumnView	Provides a model/view implementation of a column view.
CAknPopupFieldText (text combo box)	QComboBox	Combined button and popup list.
CEikCommandButton	QCommandLinkButton	Provides a Vista style command link button.
CAknContextPane (nearest)	QCommonStyle	Encapsulates the common Look and Feel of a GUI.
No Avkon equivalent.	QCompleter	Provides completions based on an item model.
CGraphicsContext::UseBrushPattern (nearest)	QConicalGradient	Used in combination with Qbrush to specify a conical gradient brush.
No Avknon equivalent - no menu in Avkon.	QContextMenuEvent	Conatins parameters that describe a context menu event.
No Avkon equivalent	QCoreApplication	Provides an event loop for console Qt applications.
CMessageDigest	QCryptographicHash	Proves a way to generate cryptographic hashes.
RWindowGroup::SetTextCursor()	QCursor	Provides a mouse cursor with an arbitrary shape.
No Avknon equivalent. (Linux only)	QCustomRasterPaintDevice	Provided to activate hardware accelerated paint engines in Qt for Embedded Linux.
RWriteStream	QDataStream	Provides serialization of binary data to a QIODevice.
No Avkon equivalent.	QDataWidgetMapper	Provides mapping between a selection of a data model to widgets.
TTime and TDateTime	QDate	Provides date functions.
CEikDateEditor	QDateEdit	Provides a widget for editing dates.
TTime and TDateTime	QDateTime	Provides date and time functions.
CEikTimeAndDateEditor	QDateTimeEdit	Provides a widget for editing dates and times.
No Avknon equivalent.	QDesktopServices	Provides methods for accessing common desktop services.
No Avknon equivalent.	QDesktopWidget	Provides access to screen information on multi-head systems.
CAknQdialStyleGrid	QDial	Provides a rounded range control (like a speedometer or potentiometer).
CEikDialog	QDialog	The base class of dialog windows.
CEikButtonPanel	QDialogButtonBox	A widget that presents buttons in a layout that is appropriate to the current widget style.
CDirectoryLocalizer	QDir	Provides access to directory structures and their contents.
Tparse	QDirIterator	Provides an iterator for directory entry lists.
Tparse	QDirModel	Provides a data model for the local filesystem.
CAknAppUiBase or CAknAppUi or CAknViewAppUi	QDockWidget	Provides a widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop.
TXmlEngAttr	QDomAttr	Represents on attribute of a QDomElement.
TXmlEngCDATASection	QDomCDATASection	Represents an XML CDATA section.
TXmlEngCharacterData	QDomCharacterData	Represents a generic string in the DOM.
TXmlEngComment	QDomComment	Represents an XML comment.
CSenXmlReader	QDomDocument	Represents an XML document.
TXmlEngChunkContainer	QDomDocumentFragment	Is a tree of QDomNodes which is not usually a complete QDomDocument.
No Avkon Equivalent.	QDomDocumentType	Is the representation of the DTD in the document tree.
TXmlEngElement	QDomElement	Represents one element in the DOM tree.
No Avkon equivalent	QDomEntity	Represents an XML entity.
TXmlEngEntityReference	QDomEntityReference	Represents an XML entity reference.
RXmlEngDocument	QDomImplementation	Provides information about the features of the DOM implementation.
No Avkon equivalent.	QDomNamedNodeMap	Contains a collection of nodes that can be accessed by name.
TXmlEngNode	QDomNode	Base class for all the nodes in a DOM tree.
RXmlEngNodeList	QDomNodeList	Is a list of QDomNode objects.
No Avkon equivalent.	QDomNotation	Represents an XML notation.
TXmlEngProcessingInstruction	QDomProcessingInstruction	Represents an XML processing instruction.
TXmlEngTextNode	QDomText	Represents text data in the parsed XML document.
No Avkon equivalent.	QDoubleSpinBox	Provides a spin box widget that takes doubles.
No Avkon equivalent.	QDoubleValidator	Provides range checking of floating-point numbers.
CCoeControl::HandlePointerEventL. (as callbacks)(see topic Qt and Symbian mouse/touch/pen events comparison)	QDrag	Provides support for MIME based drag and drop data transfer.
CCoeControl::HandlePointerEventL. (as callbacks)(see topic Qt and Symbian mouse/touch/pen events comparison)	QDragEnterEvent	Provides an event which is sent to a widget when a drag and drop action enters it.
CCoeControl::HandlePointerEventL. (as callbacks)(see topic Qt and Symbian mouse/touch/pen events comparison)	QDragLeaveEvent	Provides an event that is sent to a widget when a drag and drop action leaves it.
CCoeControl::HandlePointerEventL. (as callbacks)(see topic Qt and Symbian mouse/touch/pen events comparison)	QDragMoveEvent	Provides an event which is sent while a drag and drop action is in progress.
CCoeControl::HandlePointerEventL. (as callbacks)(see topic Qt and Symbian mouse/touch/pen events comparison)	QDropEvent	Provides an event which is sent when a drag and drop action is completed.
CAknContextPane (nearest)	QDynamicPropertyChangeEvent	Contains events parameters for dynamic property change events.
CErrorUI	QErrorMessage	Provides an error message display dialog.
No Avkon equivalent. (Symbian OS objects are designed to use active scheduler and then call functions to handle events E.g. CCoeControl has "HandlePointerEvent()" functions)	QEvent	Is the base class of all event classes.
CActive (QEventLoop supports "level" of events which Active Scheduler does not, although there is "CCoeControl::EnableDragEvents(); ::IgnoreEventsUntilNextPointerUp()". QEventLoop can exit if no events, active Scheduler will wait forever (and hang the thread))	QEventLoop	Provides a means of entering and leaving an event loop.
RChunk (nearest)	QExplicitlySharedDataPointer	Represents a pointer to an explicitly shared object.
RFile	QFile	Provides an interface for reading from and writing to files.
CEikDialog	QFileDialog	Provides a dialog that allow users to select files or directories.
CAknIcon and AknIconUtils seem to be the nearest.	QFileIconProvider	Provides file icons for the QDirModel class.
No Avkon equivalent.	QFileInfo	Provides system independent file information.
No Avkon equivalent.	QFileOpenEvent	Provides an event that will be sent when there is a request to open a file.
TVolumeIOParamInfo & TVolumeInfo (nearest)	QFileSystemModel	Provides a data model for the local filesystem.
No Avkon equivalent	QFileSystemWatcher	Provides an interface for monitoring files and directories for modifications.
TInt, TUInt, RArray or CArrayFixFlat (when storing masks or flags)	QFlag	Helper data type for Qflags.
TInt, TUInt, RArray or CArrayFixFlat (when storing masks or flags)	QFlags	Provides a type safe way of storing OR combinations of enum values.
CAknContextPane (nearest)	QFocusEvent	Contains event parameters for widget focus events.
CAknContextPane (nearest)	QFocusFrame	Provides a focus name which can be outside of a widget's normal paintable area.
AknFontAccess or Cfont	QFont	Specifies a font used for drawing text.
No Avkon equivalent.	QFontComboBox	Is a combobox that lets the user select a font family.
AknFontAccess	QFontDatabase	Provides information about the fonts available in the underlying window system.
CListBoxData	QFontDialog	Provides a dialog widget for selecting a font.
CGraphicsDevice::NumTypefaces (nearest)	QFontInfo	Provides general information about fonts.
TFontSpec. (create a font specification object TFontSpec, then request the closest available font)	QFontMetrics	Provides font metrics information.
TFontSpec. (create a font specification object TFontSpec, then request the closest available font)	QFontMetricsF	Provides font metrics information.
CAknAppUiBase	QFormLayout	Manages forms of input widgets and their associated labels.
CEikBorderedControl (for controls)	Qframe	Base class of widgets that can have a frame.
CommDb	QNetworkProxyFactory	Provides fine-grained proxy selection.
RFile	QFSFileEngine	Implements Qt's default file engine.
Rsocket and RHostResolver	QFtp	Provides an implementation of the client side of FTP protocol.
CActive (Active objects)	QFuture	Represents the result of an asynchronous computation.
CActive (Active objects)	QFutureIterator	Provides a Java style const iterator for Qfuture.
CActive (Active objects)	QFutureSynchronizer	Is a convenience class that simplifies Qfuture synchronization.
CActive (Active objects)	QFutureWatcher	Allows monitoring a Qfuture using signals and slots.
CommandLineArguments	QGenericArgument	Is an internal helper class for marshalling arguments.
No Avkon equivalent - use return or exit	QGenericReturnArgument	Is an internal helper class for marshalling arguments.
CEikImage::SetBrushStyle	Qgradient	Is used in combination with Qbrush to specify gradient fills.
CGraphicsContext::DrawEllipse	QGraphicsEllipseItem	Provides an ellipse item that you can add to a QGraphicScene.
CGridLay	QGraphicsGridLayout	Provides a grid layout for managing widgets in Graphics View.
CAknsImageItemData	QGraphicsItem	Is the base class for all graphical items in a QgraphicScene.
CAknsBmpAnimItemData	QGraphicsItemAnimation	Provides simple animation support for QGraphicsItem.
No Avkon equivalent	QGraphicsItemGroup	Provides treating a group of items as one.
CEikSpacer (nearest)	QGraphicsLayout	Provides the base class for all layouts in Graphics View.
CEikSpacer (nearest)	QGraphicsLayoutItem	Can be inherited to allow your custom items to be managed by layouts.
CEikSpacer (nearest)	QGraphicsLinearLayout	Provides a horizontal or vertical layout for managing widgets in Graphics View.
CGraphicsContext::DrawLine	QGraphicsLineItem	Provides a line item that you can add to a QGraphicsScene.
No Avkon equivalent.	QGraphicsPathItem	Provides a path item that you can add to a QGaphicsScene.
CAknsImageItemData	QGraphicsPixmapItem	Provides a pixmap item that you can add to a QGraphicsScene.
CPolygonFiller	QGraphicsPolygonItem	Provides a polygon item that you can add to a QGraphicsScenen.
No Avkon equivalent	QGraphicsProxyWidget	Provides a proxy layer for embedding a Qwidget in a QGraphicsScene.
CAknsImageItemData::SetDrawRect()	QGraphicsRectItem	Provides a rectangle item that you can add to a QGraphicsScene.
CAknContextPane	QGraphicsScene	Provides a surface for managing a large number of 2D graphical items.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneContextMenuEvent	Provides context menu events in the graphics view framework.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneDragDropEvent	Provides events for drag and drop in the graphics view framework.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneEvent	Provides a base class for all graphics view related events.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneHelpEvent	Provides events when a tooltip is requested.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneHoverEvent	Provides hover events in the graphics view framework.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneMouseEvent	Provides mouse events in the graphics view framework.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneMoveEvent	Provides events for widget moving in the graphics view framework.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneResizeEvent	Provides events for widget resizing in the graphics view framework.
CAknContextPane::HandleResourceChange (nearest)	QGraphicsSceneWheelEvent	Provides wheel events in the graphics view framework.
CAknsColorTableItemData	QGraphicsSimpleTextItem	Provides a simple text path item that you can add to a QGraphicsScene.
No Avkon equivalent. (nearest is CEikImage.)	QGraphicsSvgItem	Is a QgraphicsItem that can be used to render the contents of SVG files.
CGraphicsContext::DrawText and CGraphicsContext::DrawTextExtended	QGraphicsTextItem	Provides a text item that you can add to a QGraphicsScenen to display formatted text.
CEikImage or CAknContextPane	QGraphicsView	Provides a widget for displaying the contents of a QGraphicsScene.
CEikImage or CAknContextPane	QGraphicsWidget	The base class for all widget items in a QGraphicsScene.
CGridLay	QGridLayout	Lays out widgets in a grid.
CEikButtonGroupContainer	QGroupBox	Provides a group box frame with a title.
No Avkon Equivalent	QGtkStyle	Provides a widget style rendered by GTK+
RHashMap and RHashSet (however, in S60 3rd edition these weren't available)	QHash	Template class that provides a hash-table based dictionary.
THashMapIter, THashSetIter	QHashIterator	Provides a Java-style const iterator for Qhash and QMultiHash.
CEikSpacer (nearest)	QHBoxLayout	Lines up widgets horizontally.
CEikConsoleControl::DrawChars or CGridLabelImg::DrawColLabelL	QHeaderView	Provides a header row or header column for item views.
can't find equivalent - this may not work well in a pen-interface anyway	QHelpEvent	Provides an event that is used to request helpful information about a particular point in a widget.
Active objects (Or the event handlers in CCoeControl event handler methods.)	QHideEvent	Provides an event which is sent after a widget is hidden.
RHostResolver	QHostAddress	Provides an IP address.
RHostResolver	QHostInfo	Provides static functions for host name lookups.
Active object or CCoeControl	QHoverEvent	Contains parameters that describe a mouse event.
Replaced by QNetworkManager.	QHttp	Provides an implementation of the HTTP protocol.
RHTTPHeaders	QHttpHeader	Contains header information for HTTP.
RHTTPTransaction	QHttpRequestHeader	Contains request header information for HTTP.
RHTTPTransaction	QHttpResponseHeader	Contains response header information for HTTP.
CAknIcon	QIcon	Provides scalable icons in different modes and states.
for symbian's Cone, requires CCoeControl::EnableDragEvents() plus	QIconDragEvent	Indicates that a main icon drag has begun.
CAknIcon	QIconEngine	Provides an abstract base class for Qicon renderers.
No Avkon equivalent.	QIconEnginePlugin	Provides an abstract base for custom QIconEngine plugins.
No Avkon equivalent.	QIconEnginePluginV2	Provides an abstract base for custom QIconEngineV2.
CAknIcon	QIconEngineV2	Provides an abstract base class for Qicon renderers.
CEikImage	QImage	Provides a hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device.
CGraphicsDevice	QImageIOHandler	Defines the common image I/O interface for all image formats in Qt.
REComSession	QImageIOPlugin	Defines an interface for writing an image format plugin.
CGraphicsContext	QImageReader	Provides a format independent interface for reading images from files or other devices.
CGraphicsContext	QImageWriter	Provides a format independent interface for writing images to files or other devices.
CCoeControl::ControlEnv()	QInputContext	Abstracts the input method dependent data and composing state.
CCoeControl::SetContainerWindowL()	QInputContextFactory	class creates QInputContext objects.
REComSession	QInputContextPlugin	Provides an abstract base for custom QInputContext plugins.
CAknQueryDialog	QInputDialog	Provides a simple convenience dialog to get a single value from the user.
CAknDialog::HandleQueryEditorStateEventL	QInputEvent	The base class for events that describe user input.
CAknDialog::HandleQueryEditorStateEventL	QInputMethodEvent	Provides parameter for input method events.
Use Rbuf::Num() and an if statement.	QIntValidator	Provides a validator that ensures a string contains a valid integer within a specified range.
No Avkon equivalent.	QIODevice	The base interface class of all I/O devices in Qt.
No Avkon equivalent.	QItemDelegate	Provides display and editing facilities for data from a model.
CAknQueryDialog	QItemEditorCreator	Makes it possible to create item editor creator bases without subclassing QItemEditorCreatorBase.
CAknQueryDialog	QItemEditorCreatorBase	Provides an abstract base class that must be subclassed when implementing new item editor creators.
CAknQueryDialog	QItemEditorFactory	Provides widgets for editing item data in views and delegates.
CEikDialog::HandlePointerEventL	QItemSelection	Manages information about selected item in a model.
CEikDialog::HandlePointerEventL	QItemSelectionModel	Keeps track of a view's selected items.
CEikDialog::HandlePointerEventL	QItemSelectionRange	Manages information about a range of selected items in a model.
CAikDialog::OfferKeyEventL	QKeyEvent	Describes a key event.
CAikDialog::OfferKeyEventL (this is the nearest, however the code to store the key sequences will have to be implemented by the user).	QKeySequence	Encapsulates a key sequence as used by shortcuts.
CAknAppUi or CAknAppUi or CAknViewAppUi	QLabel	Provides a text or image display.
The descriptor classes - TDesC,Tdes,TBufBase,Tbuf,Tptr,Rbuf,TPtrC,TBufCBase,TBufC,HBufC	QLatin1Char	Provides an 8-bit ASCII/Latin-1 character.
The descriptor classes - TDesC,Tdes,TBufBase,Tbuf,Tptr,Rbuf,TPtrC,TBufCBase,TBufC,HBufC	QLatin1String	Provides a thin wrapper around an ASCII/Latin-1 encoded string literal.
CEikSpacer	QLayout	Is the base class of geometry managers.
CEikSpacer	QLayoutItem	Provides an abstract item that a Qlayout manipulates.
No Avkon Equivalent.	QLCDNumber	Displays a number with LCD like digits.
CEikCtlLibrary (nearest)	QLibrary	Loads shared libraries at runtime.
CEikCtlLibrary (nearest)	QLibraryInfo	Provides information about the Qt library.
CGraphicsContext::DrawLine	QLine	Provides a two-dimensional vector using integer precision.
CGraphicsContext::SetBrushStyle and CGraphicsContext::SetBrushColor	QLinearGradient	Used in combination with Qbrush to specify a linear gradient brush.
CEikEdwin	QLineEdit	Is a one-line text editor.
No Avkon Equivalent	QLineF	Provides a two-dimensional vector using floating point precision.
TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter.	QLinkedList	Template class that provides linked lists.
TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter.	QLinkedListIterator	Provides a Java-style const iterator for QLinkedList.
CListboxDocument	QList	Template class that provides lists.
CViewTemplate	QListIterator	Provides a Java-style const iterator for Qlist and Qqueue.
CViewTemplate	QListView	Provides a list or icon onto a model.
ClistboxAppUi	QListWidget	Provides an item-based list widget.
CListboxAppUi	QListWidgetItem	Provides an item for use with the QListWidget item view class.
TLocale	QLocale	Converts between numbers and their string representations in various languages.
CServer2, CSession2 and RSessionBase (Symbian OS client/server)	QLocalServer	Provides a local socket based server.
No Avkon equivalent. (On PIPS - use pipe)	QLocalSocket	Provides a local socket.
CAknAppUi of CAknViewAppUi	QMainWindow	Provides a main application window.
MPtiUserDictionary	QMap	Template class that provides a skip-list-based dictionary.
MPtiUserDictionary	QMapIterator	Provides a Java-style const iterator for Qmap and QMultiMap.
OpenGL ES	QMatrix	Specifies 2D transformations of a coordinate systems.
No Avkon Equivalent.	QMdiArea	Provides an area in which MDI windows are displayed.
No Avkon Equivalent.	QMdiSubWindow	Provides a subwindow class for QMdiArea.
CEikBorderedControl	QMenu	Provides a menu widget for use in menu bars, context menus, and other popup menus.
CEikMenuBar	QMenuBar	Provides a horizontal menu bar.
CAknNoteDialog	QMessageBox	Provides a modal dialog for informing the user or for asking the user a question and receiving an answer.
No Avkon equivalent.	QMetaClassInfo	Provides additional information about a class.
No Avkon equivalent.	QMetaEnum	Provides meta-data about an enumerator.
No Avkon equivalent.	QMetaMethod	Provides meta-data about a member function.
No Avkon equivalent.	QMetaObject	Contains meta-information about Qt objects.
No Avkon equivalent.	QMetaProperty	Provides meta-data about a property.
No Avkon equivalent.	QMetaType	Manages named types in the meta-object system.
CClipboard	QMimeData	Provides a container for data that records information about its MIME type.
No Avkon equivalent.	QMimeSource	An abstraction of object that provided formatted data of a certain MIME type.
No Avkon equivalent	QModelIndex	Is used to locate data in a data model.
No Avkon equivalent.	QMotifStyle	Provides Motif look and feel.
Active objects	QMouseEvent	Contains parameters that describe a mouse event.
Active objects	QMoveEvent	Contains event parameters for move events.
CMMFDevVideoPlay(Symbian OS) and CVideoPlayerUtility	QMovie	Is a convenience class for playing movies with QImageReader.
RHashMap	QMultiHash	Is a convenience Qhash subclass that provides multi-valued hashes.
No Avkon equivalent	QMultiMap	Is a convenience Qmap subclass that provides multi-valued maps.
TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter.	QMutableHashIterator	Provides a Java-style iterator for Qhash and QMultiHash.
TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter.	QMutableLinkedListIterator	Provides a Java-style non-const iterator for QLinkedList.
va_list (for lists) TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter (for queues)	QMutableListIterator	Provides a Java-style non-const iterator for Qlist and Qqueue.
No Avkon equivalent	QMutableMapIterator	Provides a Java-style non-const iterator for Qmap and QmultiMap.
No Avkon equivalent.	QMutableSetIterator	Provides a Java-style non-const iterator for Qset.
TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter (for stacks)	QMutableVectorIterator	Provides a Java-style non-const iterator for Qvector and Qstack.
RMutex	QMutex	Provides access serialization between threads.
RMutex	QMutexLocker	Is a convenience class that simplifies locking and unlocking mutexes.
CSenServiceManager or Nifman (nearest)	QNetworkAccessManager	Allows the application to post network requests and receive replies.
TInetAddr	QNetworkAddressEntry	Stores one IP address supported by a network interface, along with its associated network and broadcast address.
No Avkon equivalent.	QNetworkCacheMetaData	Provides cache information.
No Avkon equivalent.	QNetworkCookie	Holds one network cookie.
No Avkon equivalent.	QNetworkCookieJar	Implements a simple jar of QNetworkCookie objects.
No Avkon equivalent. (However, TCachePagePool does provide paging functionality.)	QNetworkDiskCache	Provides a very basic disk cache.
CommsDb - CCCommsDatabase and CCommsDatabaseBase	QNetworkInterface	Provides a listing of the host's IP addresses and network interfaces.
CommsDat::CCDProxiesRecord (nearest)(Symbian)	QNetworkProxy	Provides a network layer proxy.
CommsDat::CCDProxiesRecord (nearest)(Symbian)	QNetworkProxyFactory	Provides fine-grained proxy selection.
CommsDat::CCDProxiesRecord (nearest)(Symbian)	QNetworkProxyQuery	Used to query the proxy settings for a socket.
Nifman (Symbian)	QNetworkReply	Contains the data and headers for a request posted with QNetworkAccessManager.
Nifman (Symbian)	QNetworkRequest	Holds one request to be sent with Network Access API.
CBase (for C-classes)	QObject	Base class of all Qt objects
No Avkon equivalent. (use cleanup stack)	QObjectCleanupHandler	Watches the lifetime of multiple Qobjects.
CAknTextSettingPage	QPageSetupDialog	Provides a configuration dialog for the page-related options on a printer.
CGraphicsDevice	QPaintDevice	Is the base class of objects that can be painted.
CGraphicsDevice	QPaintEngine	Provides an abstract definition of how Qpainter draws to a given device on a given platform.
CGraphicsDevice	QPaintEngineState	Provides information about the active paint engine's current state.
CGraphicsDevice	QPainter	Performs low-level painting on widgets and other paint devices.
CGraphicsContext	QPainterPath	Provides a container for painting operations, enabling graphical shapes to be constructed and reused.
CGraphicsContext	QPainterPathStroker	Is used to generate fillable outlines for a given painter path.
Active objects	QPaintEvent	Contains event parameters for paint events.
No Avkon equivalent	QPair	Template class that stores a pair of items.
CPalette	QPalette	Contains color groups for each widget state.
CGraphicsContext::SetPenSize and CGraphicsContext::SetPenStyle	QPen	Defines how a Qpainter should draw lines and outlines of shapes.
No Avkon equivalent.	QPersistentModelIndex	Is used to locate data in a data model.
CGraphicsDevice	QPicture	Is a paint device that records and replays Qpainter commands.
No Avkon equivalent.	QPictureFormatPlugin	Provides an abstract base for custom picture format plugins.
CFbsBitmap::Load (for bitmaps).	QPictureIO	Contains parameters for loading and saving pictures.
CAKnContextPane::SwapPicture	QPixmap	Is an off-screen image representation that can be used as a paint device.
No Avkon equivalent.	QPixmapCache	Provides an application-wide cache for pixmaps.
CAknAppUiBase or CAknAppUi or CAknViewAppUi	QPlainTextDocumentLayout	Implements a plain text layout for QTextDocument.
CAknTextQueryDialog	QPlainTextEdit	Provides a widget that is used to edit and display plain text.
No Avkon equivalent.	QPlastiqueStyle	Provides a widget style similar to the Plastik style available in KDE.
REComSession	QPluginLoader	Loads a plugin at run-time.
CGraphicsContext::Plot	QPoint	Defines a point in the plane using integer precision.
RPointerArray	QPointer	Is a template class that provides guarded pointers to Qobjects.
No Avkon equivalent.	QPointF	Defines a point in the plane using floating point precision.
CGraphicsContext::DrawPolyLine	QPolygon	Provides a vector of points using integer precision.
No Avkon equivalent.	QPolygonF	Provides a vector of points using floating point precision.
No Avkon equivalent.	QPrintDialog	Provides a dialog for specifying the printer's configuration.
No Avkon equivalent.	QPrintEngine	Defines an interface for how Qprinter interacts with a given printing subsystem.
No Avkon equivalent.	QPrinter	Is a paint device that paints on a printer.
No Avkon equivalent.	QPrinterInfo	Gives access to information about existing printers.
No Avkon equivalent.	QPrintPreviewDialog	Provides a dialog for previewing and configuring page layouts for printer output.
No Avkon equivalent.	QPrintPreviewWidget	Provides a widget for previewing page layouts for printer output.
RProcess	QProcess	Used to start external programs and to communicate with them.
CEikProgressInfo	QProgressBar	Provides a horizontal or vertical progress bar.
CEikProgressInfo	QProgressDialog	Provides feedback on the progress of a slow operation.
CAknAppUiBase or CAknAppUi or CAknViewAppUi	QProxyModel	Provides support for processing data passed between another model and a view.
CEikCommandButtonBase	QPushButton	Provides a command button.
RMsgQueueBase	QQueue	Is a generic container that provides a queue.
CGraphicsContext::UseBrushPattern	QRadialGradient	Is used in combination with Qbrush to specify a radical gradient brush.
CAknRadioButtonSettingPage	QRadioButton	Provides a radio button with a text label.
No Avkon equivalent.	QRasterPaintEngine	Enables hardware acceleration of painting operations in Qt for Embedded Linux.
RSemaphore	QReadLocker	Is a convenience class that simplifies locking and unlocking read-write locks for read access.
RSemaphore	QReadWriteLock	Provides read-write locking.
CGraphicsContext::DrawRect	Qrect	Defines a rectangle in the plane using integer precision.
No Avkon equivalent.	QRectF	Defines a rectangle in the plane using floating precision.
No Avkon equivalent.	QRegExp	Provides pattern matching using regular expressions.
No Avkon equivalent.	QRegExpValidator	Is used to check a string against a regular expression.
CGRaphicsContext::SetClippingRect	QRegion	Specifies a clip region for a painter.
CAknContextPane::SizeChanged	QResizeEvent	Contains event parameter for resize events.
RHandleBase	QResource	Provides an interface for reading directly from resources.
CEikBorderedControl (nearest)	QRubberBand	Provides a rectangle or line that can indicate a selection or a boundary.
CAknApplication	QRunnable	Is the base class for all runnable objects.
No Avkon equivalent.	QS60Style	Provides a look and feel suitable for applications on Symbian.
No Avkon equivalent. (CSenParser for parsing xml)	QScriptable	Provides access to the Qt Script environment from Qt C++ member functions.
No Avkon equivalent.	QScriptClass	Provides an interface for defining custom behavior of (a class of) Qt script objects.
No Avkon equivalent.	QScriptClassPropertyIterator	Provides an iterface for custom Qt scripts objects.
No Avkon equivalent.	QScriptContext	Represents a Qt script function invocation.
No Avkon equivalent.	QScriptContextInfo	Provides additional information about a QScriptContext.
No Avkon equivalent.	QScriptEngine	Provides an environment for evaluating Qt script code.
No Avkon equivalent.	QScriptEngineAgent	Provides an interface to report events pertaining to QScriptEngine execution.
No Avkon equivalent.	QScriptEngineDebugger	Provides a QScriptEngine debugger.
No Avkon equivalent.	QScriptExtensionPlugin	Provides an abstract base for custom Qscript extension plugins.
No Avkon equivalent.	QScriptString	Acts as a handle to "interned" strings in a QScriptEngine.
No Avkon equivalent.	QScriptSyntaxCheckResult	Provides the result of a script syntax check.
No Avkon equivalent.	QScriptValue	Acts as a container for the Qt script data types.
No Avkon equivalent.	QScriptValueIterator	Provides a Java-style iterator for QScriptValue.
RDrawableWindow::Scroll	QScrollArea	Provides a scrolling view onto another widget.
CAknScrollButton	QScrollBar	Provides a vertical or horizontal scroll bar.
Rsemaphore	QSemaphore	Provides a general counting semaphore.
CAknApplication (nearest)	QSessionManager	Provides access to the session manager.
RHashSet	QSet	Is a template class that provides a hash-table-based set.
RHashSet	QSetIterator	Provides a Java-style const iterator for Qset.
CAknSettingPage	QSettings	Provides persistent platform-independent application settings.
shmctl (to provide the location) shmat (to use it.)	QSharedData	Is a base class for shared data objects.
shmctl (to provide the location) shmat (to use it.)	QSharedDataPointer	Represents a pointer to an implicitly shared object.
shmctl (to provide the location) shmat (to use it.)	QSharedMemory	Provides access to a shared memory segment.
shmctl	QSharedPointer	Holds a strong reference to a shared pointer.
CEikHotKeyControl (nearest)	QShortcut	Used to create keyboard shortcuts.
CEikHotKeyControl (nearest)	QShortcutEvent	Provides an event which is generated when the user presses a key combination.
CEikAlignedControl	QShowEvent	Provides an event that is sent when a widget is shown.
RProperty	QSignalMapper	Bundles signals from identifiable senders.
CPropertyWatch	QSignalSpy	Enables introspection of signal emission.
TFixedArray	QSize	Defines the size of a two-dimensional object using integer point precision.
TFixedArray	QSizeF	Defines the size of a two-dimensional object using floating point precision.
CAknContextPane::SizeChanged	QSizeGrip	Provides a resize handle for resizing top-level windows.
CAknSlider	QSizePolicy	Is a layout attribute describing horizontal and vertical resizing policy.
CAknSlider	QSlider	Provides a vertical or horizontal slider.
RSocket::Listen	QSocketNotifier	Provides support for monitoring activity on a file descriptor.
CEikImage (nearest)	QSortFilterProxyModel	Provides support for sorting and filtering data passed between another model and a view.
TBaSystemSoundType and CoeSoundPlayer (or CAudioEffect)	QSound	Provides access to the platform audio facilities.
CEikSpacer	QSpacerItem	Provides blank space in a layout.
No Avkon equivalent.	QSpinBox	Provides a spin box widget.
CAknAppUiBase or CAknAppUi or CAknViewAppUi	QSplashScreen	Provides a splash screen that can be shown during application startup.
CAknContextPane	Qsplitter	Implements a splitter widget.
No Avkon equivalent.	QSplitterHandle	Provides handle functionality of the splitter.
OpenSSL library (ssl) or CSecureSocket (use Rsocket to open the socket)	QSslCertificate	Provides a convenient API for an X509 certificate.
OpenSSL library (ssl) or CSecureSocket (use Rsocket to open the socket)	QSslCipher	Represents an SSL cryptographic cipher.
OpenSSL library (ssl) or CSecureSocket (use Rsocket to open the socket)	QSslConfiguration	Holds the configuration and state of an SSL connection.
OpenSSL library (ssl) or CSecureSocket (use Rsocket to open the socket)	QSslError	Provides an SSL error.
OpenSSL library (ssl) or CSecureSocket (use Rsocket to open the socket)	QSslKey	Provides an interface for private and public keys.
OpenSSL library (ssl) or CSecureSocket (use Rsocket to open the socket)	QSslSocket	Provides and SSL encrypted socket for both clients and servers.
TSglQueLink,TSglQue,TSglQueIter,TDblQueLink,TDblQue or TDblQueIter. (Not direct equivalent)	QStack	Template class that provides a stack.
CAknContextPane (nearest)	QStackedLayout	Provides a stack of widgets where only one widget is visible at a time.
CAknContextPane (nearest)	QStackedWidget	Provides a stack of widgets where only one widget is visible at a time.
No Avkon equivalent.	QStandardItem	Provides an item for use with the QStanadrdItemModel class.
CAknTextQueryDialog	QStandardItemEditorCreator	Provides the possibility to register without having subclass QItemEditorCreatorBase.
No Avkon equivalent.	QStandardItemModel	Provides a generic model for storing custom data.
CEikStatusPane	QStatusBar	Provides a horizontal bar suitable for presenting status information.
No Avkon equivalent.	QStatusTipEvent	Provides an event that is used to show messages in a status bar.
The descriptor classes - TDesC,Tdes,TBufBase,Tbuf,Tptr,Rbuf,TPtrC,TBufCBase,TBufC,HBufC	QString	Provides a Unicode character string.
CEikTextListBox	QStringList	Provides a list of string.
CEikTextListBox	QStringListModel	Provides a model that supplies strings to views.
The descriptor classes - TDesC,Tdes,TBufBase,Tbuf,Tptr,Rbuf,TPtrC,TBufCBase,TBufC,HBufC	QStringMatcher	Holds a sequence of characters that can be quickly matched in a Unicode string.
The descriptor classes - TDesC,Tdes,TBufBase,Tbuf,Tptr,Rbuf,TPtrC,TBufCBase,TBufC,HBufC	QStringRef	Provides a thin wrapper around Qstring substrings.
CEikAlignedControl	QStyle	Is an abstract base class that encapsulates the look and feel of a GUI.
Symbian supports skins, relevant classes include AknsDrawUtils, AknsUtils, AknsWallpaperUtils	QStyledItemDelegate	Provides display and editing facilities for data items from a model.
No Avkon equivalent.	QStyleFactory	Creates Qstyle objects.
particular QT mechanism	QStyleHintReturn	Provides style hints that return more than basic data types.
particular QT mechanism	QStyleHintReturnMask	Provides style hints that return a Qregion.
particular QT mechanism	QStyleHintReturnVariant	Provides style hints that return a Qvariant.
possibly similar to CAknsItemData	QStyleOption	Stores the parameters used by Qstyle functions.
CEikButtonBase methods (CEikButtonBase is the base class of all button classes)	QStyleOptionButton	Is used to describe the parameters for drawing buttons.
CEikListBox	QStyleOptionComboBox	Is used to describe the parameter for drawing a combobox.
CAknControl	QStyleOptionComplex	Is used to hold parameters that are common to all complex controls.
No Avkon equivalent.	QStyleOptionDockWidget	Is used to describe the parameters for drawing a dock widget.
CAknDialog::FocusChanged (nearest)	QStyleOptionFocusRect	Is used to describe the parameters for drawing a focus rectangle with Qstyle.
No Avkon equivalent.	QStyleOptionFrame	Is used to describe the parameters for drawing a frame.
No Avkon equivalent.	QStyleOptionFrameV2	Is used to describe the parameters necessary for drawing a frame in Qt4.1 or above.
No Avkon equivalent.	QStyleOptionFrameV3	Is used to describe the parameters necessary for drawing a frame in Qt 4.1 or above.
No Avkon equivalent.	QStyleOptionGraphicsItem	Is used to describe the parameters needed to draw a QGraphicsItem.
CEikControlGroup	QStyleOptionGroupBox	Describes the parameters for drawing a group box.
No Avkon equivalent.	QStyleOptionHeader	Is used to describe the parameters for drawing a header.
CEikMenuButton	QStyleOptionMenuItem	Is used to describe the parameter necessary for drawing a menu item.
CEikProgressInfo	QStyleOptionProgressBar	Is used to describe the parameters necessary for drawing a progress bar.
CEikProgressInfo	QStyleOptionProgressBarV2	Is used to describe the parameters necessary for drawing a progress bar in Qt 4.1 or above.
No Avkon equivalent.	QStyleOptionQ3DockWindow	Is used to describe the parameters for drawing various parts of a Q3DockWindow.
CListboxSettingList	QStyleOptionQ3ListView	Is used to describe the parameters for drawing a Q3ListView.
CListboxSettingView	QStyleOptionQ3ListViewItem	Is used to describe an item drawn in a Q3ListView.
No Avkon equivalent.	QStyleOptionRubberBand	Is used to describe the parameters needed for drawing a rubber band.
No Avkon equivalent. (possibly not applicable to a pen environment)	QStyleOptionSizeGrip	Is used to describe the parameter for drawing a size grip.
CAknSliderSettingItem	QStyleOptionSlider	Is used to describe the parameters needed for drawing a slider.
No Avkon equivalent.	QStyleOptionSpinBox	Is used to describe the parameters necessary for drawing a spin box.
CAknTab	QStyleOptionTab	Is used to describe the parameters for drawing a tab bar.
CAknTab	QStyleOptionTabBarBase	Is used to describe the base of a tab bar, i.e. the part that the tab usually overlaps with.
CAknTab	QStyleOptionTabBarBaseV2	Is used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with.
CAknTab	QStyleOptionTabV2	Is used to describe the parameters necessary for drawing a tab in Qt 4.1 or above.
CAknTab	QStyleOptionTabV3	Is used to describe the parameters necessary for drawing a tabs in Qt 4.5 and above.
CAknTab	QStyleOptionTabWidgetFrame	Is used to describe the parameters for drawing the frame around a tab widget.
CEikStatusPane	QStyleOptionTitleBar	Is used to describe the parameters for drawing a title bar.
CAknToolbar (Base class for toolbars)	QStyleOptionToolBar	Is used to describe the parameters for drawing a toolbar.
No Avkon equivalent.	QStyleOptionToolBox	Is used to describe the parameters needed for drawing a tool box.
No Avkon equivalent.	QStyleOptionToolBoxV2	Is used to describe the parameters necessary for drawing a frame in Qt4.3 and above.
CAknToolbar (Base class for toolbars)	QStyleOptionToolButton	Is used to describe the parameters for drawing a tool button.
No Avkon equivalent.	QStyleOptionViewItem	Is used to describe the parameters used to draw an item in a view widget.
CEikBorderedControl (nearest)	QStyleOptionViewItemV2	Is used to describe the parameters necessary for drawing a frame in Qt4.2 or above.
CEikBorderedControl (nearest)	QStyleOptionViewItemV3	Is used to describe the parameters necessary for drawing a frame in Qt 4.3 or above.
CEikBorderedControl (nearest)	QStyleOptionViewItemV4	Is used to describe the parameters necessary for drawing a frame in Qt 4.4 or above.
CCoeControl::Draw() or AknsDrawUtils	QStylePainter	Is a convenience class for drawing Qstyle elements inside a widget.
RAknsSrvSession (assuming Nokia skins are equivalent to Qt Styles)(Partner API)	QStylePlugin	Provides an abstract base for custom.
No Avkon equivalent. The nearest is CEikImage.	QSvgGenerator	Provides a paint device that is used to create SVG drawings.
No Avkon equivalent. The nearest is CEikImage.	QSvgRenderer	Is used to draw the contents of SVG files onto paint devices.
No Avkon equivalent. The nearest is CEikImage.	QSvgWidget	Provides a widget that is used to display the contents of Scalable Vector Graphics (SVG) files.
No Avkon equivalent.	QSyntaxHighlighter	Allows you to define syntax highlighting rules, and in addition you can use the class to query a document's current formatting or user data.
SysUtil	QSysInfo	Provides information about the system.
No Avkon equivalent.	QSystemLocale	(Not needed for most applications) Can be used to fine tune the system locale of the user.
Rsemaphore	QSystemSemaphore	Provides a general counting system semaphore.
CAknIcon	QSystemTrayIcon	Provides an icon for an application in the system tray.
CAknTab	QTabBar	Provides a tab bar, e.g. for use in tabbed dialogs.
CAknContextPane::HandlePointerEventL	QTabletEvent	Contains parameters that describe a Tablet event.
CEikListBox	QTableView	Provides a default model/view implementation of a table view.
CEikListBox	QTableWidget	Provides an item-based table view with a default model.
CEikListBox	QTableWidgetItem	Provides an item for use the QTableWidget class.
CEikListBox	QTableWidgetSelectionRange	Provides a way to interact with selection in a model without using model indexes and a selection model.
CAknTab	QTabWidget	Provides a stack of tabbed widgets.
RSocketServ and Rsocket	QTcpServer	Provides a TCP-based server.
RSocketServ and Rsocket	QTcpSocket	Provides a TCP socket.
CDocumentHandler::OpenTempFileL and CDocumentHandler::SaveTempFileL. (For text files)	QTemporaryFile	Is an I/O device that operates an tempory files.
No Avkon equivalent.	QTestEventList	Provides a list of GUI events.
CAknSettingItem	QTextBlock	Provides a container for text fragments in a QTextDocument.
CAknSettingItem	QTextBlockFormat	Provides formatting information for blocks of text in a QTextDocument.
CAknSettingItem	QTextBlockGroup	Provides a container for text blocks within a QTextDocument.
CAknSettingItem	QTextBlockUserData	Is used to associate custom data with blocks of text.
The descriptor classes - TDesC,Tdes,TBufBase,TBuf,TPtr,RBuf,TPtrC,TBufCBase,TBufC,HBufC	QTextBoundaryFinder	Provides a way of finding Unicode text boundaries in a string.
CDocumentHandler (nearest)	QTextBrowser	Provides a rich text browser with hypertext navigation.
CAknSettingItem	QTextCharFormat	Provides formatting information for characters in a QTextDocument.
CDocumentHandler	QTextCodec	Provides conversions between text encodings.
CDocumentHandler	QTextCodecPlugin	Provides an abstract base for custom QTextCodec plugins.
CEikConsoleControl (nearest)	QTextCursor	Offers an API to access and modify QTextDocuments.
CEikConsoleControl (nearest)	QTextDecoder	Provides a state-based decoder.
CAknSettingItem	QTextDocument	Holds formatted text that can be viewed and edited using a QTextEdit.
CAknSettingItem	QTextDocumentFragment	Represents a piece of formatted text from a QTextDocument.
CAknSettingItem	QTextDocumentWriter	Provides a format-independent interface for writing QTextDocument to files or other devices.
CAknTextSettingItem	QTextEdit	Provides a widget that is used to edit and display both plain and rich text.
CDocumentHandler	QTextEncoder	Provides a state-based encoder.
CAknSettingItem	QTextFormat	Provides formatting information for a QTextDocument.
CAknSettingItem	QTextFragment	Holds a piece of text in a QTextDocument with a single QTextCharFormat.
CAknSettingItem	QTextFrame	Represents a frame in a QTextDocument.
CAknSettingItem	QTextFrameFormat	Provides formatting information for frames in a QTextDocument.
CAknSettingItem	QTextImageFormat	Provides formatting information for images in a QTextDocuemnt.
CAknSettingItem	QTextInlineObject	Represents an inline object in a QTextLayout.
CAknSettingItem	QTextItem	Provides all the information required to draw text in a custom paint engine.
CAknSettingItem	QTextLayout	Is used to lay out and paint a single paragraph.
CAknSettingItem	QTextLength	Encapsulates the different types of length used in a QTextDocument.
CAknSettingItem	QTextLine	Represents a line of text inside a QTextLayout.
CAknSettingItem	QTextList	Provides a decorated list of items in a QTextDocuments.
CAknSettingItem	QTextListFormat	Provides formatting information for lists in a QTextDocument.
CAknSettingItem	QTextObject	Is a base class for different kinds of objects that can group parts of a QTextDocument together.
CAknSettingItem	QTextObjectInterface	Allows drawing of custom text objects in QTextDocuments.
CAknSettingItem	QTextOption	Provides a description of general rich text properties.
CDocumentHandler	QTextStream	Provides a convenient interface for reading and writing text.
CTextListBoxModel	QTextTable	Represents a table in a QTextDocument.
CTextListBoxModel (nearest)	QTextTableCell	Represents the properties of a cell in a QTextTable.
CAknGrid	QTextTableCellFormat	Provides formatting information for table cells in a QTextDocument.
CAknGrid	QTextTableFormat	Provides formatting information for tables in a QTextDocument.
RThread	QThread	Provides platform-independent threads.
No Avkon equivalent.	QThreadPool	Manages a collection of Qthreads.
TLS via the class DLL	QThreadStorage	Provides per-thread data storage.
Rclock,RTimeDevice	QTime	Provides clock time functions.
RTimeDevice	QTimeEdit	Provides a widget for editing times based on the QDataTimeEdit widget.
CAnimator (pause and resume methods)	QTimeLine	Provides a timeline for controlling animations.
RTimer	QTimer	Provides repetive and single-shot timers.
User::WaitForRequest (nearest)	QTimerEvent	Contains parameters that describe a timer event.
CEikToolBar	QToolBar	Provides a movable panel that contains a set of controls.
CAknTab	QToolBox	Provides a column of tabbed widget items.
CAknToolbar (Base class for toolbars)	QToolButton	Provides a quick-access button to commands or options, usually used inside a QToolBar.
No Avkon equivalent.	QToolTip	Provides tools tips (balloon help) for any widget.
CImageTransform, CBitmapRotator, CBitmapScaler (operate on images, not co-ordinates). No equivalent for Shear.	QTransform	Specifies 2D transformations of a coordinate system.
Symbian OS uses resource files for localisation	QTranslator	Provides internationalization support for text output.
CAknTreeList, CAknSingleColumnStyleTreeList or CAknSingleStyleTreeList	QTreeView	Provides a default model/view implementation of a tree view.
CAknTreeList, CAknSingleColumnStyleTreeList or CAknSingleStyleTreeList	QTreeWidget	Provides a tree view that uses a predefined tree model.
CAknTreeList, CAknSingleColumnStyleTreeList or CAknSingleStyleTreeList	QTreeWidgetItem	Provides an item for use with the QTreeWidget convenience class.
CAknTreeList, CAknSingleColumnStyleTreeList or CAknSingleStyleTreeList	QTreeWidgetItemIterator	Provides a way to iterate over the items in a QTreeWidget instance.
RSocketServ and Rsocket	QUdpSocket	Provides a UDP socket.
CAknCcpuSupport (nearest)	QUndoCommand	Is the base class of all commands stored on a QUndoStack.
CAknCcpuSupport (nearest)	QUndoGroup	Is a group of QUndoStack objects.
CAknCcpuSupport (nearest)	QUndoStack	Is a stack of QUndoCommand objects.
CAknCcpuSupport (nearest)	QUndoView	Displays the contents of a QUndoStack.
No Avkon equivalent.	QUrl	Provides a convenient interface for working with URLs.
No Avkon equivalent.	QUrlInfo	Stores information about URLs.
Tuid (Globally Uinique identifier)	QUuid	Stores a Universally Unique Identifier (UUID).
TUriParser8::Validate() (for URIs) CommonPhoneParser::IsValidPhoneNumber() (for phone numbers.)	QValidator	Provides validation of input text.
No Avkon equivalent.	QVariant	Acts like a union for the most common Qt data types.
CBufBase	QVarLengthArray	Provides a low-level variable-length array.
CEikSpacer (nearest)	QVBoxLayout	Lines up widgets vertically.
RArray	QVector	Is a template class that provides a dynamic array.
No Avkon equivalent.	QVectorIterator	Provides a Java-style const iterator for Qvector and Qstack.
Publish and subscribe (Rproperty)	QWaitCondition	Provides a condition variable for synchronizing threads.
shmctl	QWeakPointer	Holds a weak reference to a shared pointer.
No Avkon equivalent.	QWebDatabase	Provides access to HTML 5 databases created with JavaScript.
CBrCtlInterface and CBrCtlObjectInfo	QWebFrame	Represents a frame in a web page.
No Avkon equivalent.	QWebHistory	Represents the history of a QWebPage.
No Avkon equivalent.	QWebHistoryInterface	Provides an interface to implement link history.
No Avkon equivalent.	QWebHistoryItem	Represents one item in the history of a QWebPage.
MBrCtlStateChangeObserver	QWebHitTestResult	Provides information about the web page content after a list test.
CBrCtlInterface and CBrCtlObjectInfo (nearest)	QWebPage	Provides an object to view and edit documents.
MWidgetExtension & MWidgetCallback	QWebPluginFactory	Creates plugins to be embedded into web pages.
No Avkon equivalent.	QWebSecurityOrigin	Defines a security boundary for web sites.
CBrCtlInterface	QWebSettings	Provides an object to store the settings used by QWebPage and QWebFrame.
CBrCtlInterface and CBrCtlObjectInfo	QWebView	Provides a widget that is used to view and edit web documents.
No Avkon equivalent. Possibly not applicable in a pen environment	QWhatsThis	Provides a simple description of any widget, i.e. answering the question "What's This?".
No Avkon equivalent. Possibly not applicable in a pen environment	QWhatsThisClickedEvent	Provides an event that can be used to handle hyperlinks in a "What's This?".
MEikScrollBarObserver	QWheelEvent	Contains parameters that describe a wheel event.
CAknAppUi or CAknViewAppUi	QWidget	Is the base class of all user interface objects.
CAknAppUi or CAknViewAppUi	QWidgetAction	Extends Qaction by an interface for inserting custom widgets into action based containers, such as toolbars.
CAknAppUi or CAknViewAppUi	QWidgetItem	Is a layout item that represents a widget.
CAknDocument	QWindowsMime	Maps open-standard MIME to Window Clipboard formats.
No Avkon equivalent.	QWindowsStyle	Provides a Microsoft Windows-like look and feel.
CDocumentHandler	QWindowStateChangeEvent	Provides the window state before a window state change.
No Avkon equivalent.	QWindowsVistaStyle	Provides a look and feel suitable for applications on Microsoft Windows Vista.
No Avkon equivalent.	QWindowsXPStyle	Provides a Microsoft Windows XP-like look and feel.
No Avkon equivalent.	QWizard	Provides a framework for wizards.
No Avkon equivalent.	QWizardPage	Is the base class for wizard pages.
CEikAlignedControl (nearest)	QWorkspace	Provides a workspace window that can be used in a MDI application.
The C functions flockfile and funlockfile are the nearest, or Rsemaphore.	QWriteLocker	Is a convenience class that simplifies locking and unlocking read-write locks for write access.
Xml::RDocumentParameters	QXmlAttributes	Provides XML attributes.
Xml::Rattribute	QXmlContentHandler	Provides an interface to report the logical content of XML data.
Xml::Rattribute	QXmlDeclHandler	Provides an interface to report the declaration content of XML data.
Xml	QXmlDefaultHandler	Provides a default implementation of all the XML handler classes.
Xml::Rattribute	QXmlDTDHandler	Provides an interface to report DTD content of XML data.
Xml::MContentHandler	QXmlEntityResolver	Provides to resolve external entities contained in XML data.
Xml::MContentHandler has an error method.	QXmlErrorHandler	Provides an interface to report errors in XML data.
No Avkon equivalent.	QXmlInputSource	Provides the input data for the QXmlReader subclasses.
xml::Cparser or Xml::MContentHandler	QXmlLexicalHandler	Provides an interface to report the lexical content of XML data.
xml::Cparser	QXmlLocator	Provides the XML handler classes with information about the parsing position within a file.
Xml::RDocumentParameters and/or Xml::Rattribute	QXmlNamespaceSupport	Is a helper class for XML readers which want to include namespace support.
Xml::MContentHandler has an error method.	QXmlParseException	Is used to report errors with the QXmlErrorHandler interface.
xml::Cparser or Xml::CMatchData	QXmlReader	Provides an interface for XML readers (i.e. parsers).
Xml::Cparser	QXmlSimpleReader	Provides an implementation of a simple XML parser.
MXmlEngOutputStream (nearest)	QXmlStreamAttribute	Represents a single XML attribute.
MXmlEngOutputStream (nearest)	QXmlStreamAttributes	Represents a vector of QXmlStreamAttribute.
MXml	QXmlStreamEntityDeclaration	Represents a DTD entity declaration.
No Avkon equivalent.	QXmlStreamEntityResolver	Provides an entity resolver for a QXmlStreamReader.
MXmlEngDataSerializer	QXmlStreamNamespaceDeclaration	Represents a namespace declaration.
MXmlEngDataSerializer	QXmlStreamNotationDeclaration	Represents a DTD notation declaration.
No Avkon equivalent.	QXmlStreamReader	Provides a fast parser for reading well-formed XML via a simple streaming API.
MXmlEngOutputStream (nearest)	QXmlStreamWriter	Provides an XML writer with a simple streaming API.
No Avkon equivalent. (see Exception (QtConcurrent) for more details)	SeekSlider (Phonon)	Provides a slider for seeking to positions in media streams.
No Avkon equivalent. (for throwing exceptions across threads)	UnhandledException (QtConcurrent)	Represents an unhandled exception in a worker thread.
CVideoPlayerUtility	VideoPlayer (Phonon)	Is used to perform playback of video.
CWsScreenDevice	VideoWidget (Phonon)	Provides a widget that is used to display video.
CAknVolumeControl. Volume also controlled programmatically by CMdaAudioPlayerUtility, TMMFAudioConfig, CMdaAudioOutputStream, CMMFDevSound	VolumeSlider (Phonon)	Provides a slider that is used to control the volume of an audio output device.