Qt Full Framework Edition Classes

Phonon::BackendCapabilities::Notifier
Phonon::AudioOutput	Used to send data to audio output devices
Phonon::Effect	Used to transform audio streams
Phonon::EffectParameter	Describes one parameter of an effect
Phonon::EffectWidget	Widget to control the parameters of an Effect
QtConcurrent::Exception	Base class for exceptions that can transferred across threads
Phonon::MediaController	Controls optional features of a media file/device
Phonon::MediaNode	The base class for all nodes in a media graph
Phonon::MediaObject	Interface for media playback
Phonon::MediaSource	Multimedia data for media objects
Phonon::ObjectDescription	Information about Phonon objects
Phonon::Path	Describes connections between media nodes
Q3Accel	Handles keyboard accelerator and shortcut keys
Q3Action	Abstract user interface action that can appear both in menus and tool bars
Q3ActionGroup	Groups actions together
Q3AsciiCache	Template class that provides a cache based on char* keys
Q3AsciiCacheIterator	Iterator for Q3AsciiCache collections
Q3AsciiDict	Template class that provides a dictionary based on char* keys
Q3AsciiDictIterator	Iterator for Q3AsciiDict collections
Q3Button	Compatibility base class of button widgets
Q3ButtonGroup	Organizes QAbstractButton widgets in a group
Q3CString	Abstraction of the classic C zero-terminated char array (char *)
Q3Cache	Template class that provides a cache based on QString keys
Q3CacheIterator	Iterator for Q3Cache collections
Q3Canvas	2D area that can contain Q3CanvasItem objects
Q3CanvasEllipse	Ellipse or ellipse segment on a Q3Canvas
Q3CanvasItem	Abstract graphic object on a Q3Canvas
Q3CanvasItemList	List of Q3CanvasItems
Q3CanvasLine	Line on a Q3Canvas
Q3CanvasPixmap	Pixmaps for Q3CanvasSprites
Q3CanvasPixmapArray	Array of Q3CanvasPixmaps
Q3CanvasPolygon	Polygon on a Q3Canvas
Q3CanvasPolygonalItem	Polygonal canvas item on a Q3Canvas
Q3CanvasRectangle	Rectangle on a Q3Canvas
Q3CanvasSpline	Multi-bezier splines on a Q3Canvas
Q3CanvasSprite	Animated canvas item on a Q3Canvas
Q3CanvasText	Text object on a Q3Canvas
Q3CanvasView	On-screen view of a Q3Canvas
Q3CheckListItem	Checkable list view items
Q3CheckTableItem	Checkboxes in Q3Tables
Q3ColorDrag	Drag and drop object for transferring colors between widgets
Q3ComboBox	Combined button and popup list
Q3ComboTableItem	Means of using comboboxes in Q3Tables
Q3DataBrowser	Data manipulation and navigation for data entry forms
Q3DataTable	Flexible SQL table widget that supports browsing and editing
Q3DataView	Read-only SQL forms
Q3DateEdit	Date editor
Q3DateTimeEdit	Combines a Q3DateEdit and Q3TimeEdit widget into a single widget for editing datetimes
Q3DateTimeEditBase	Abstraction for date and edit editors
Q3DeepCopy	Template class which ensures that implicitly shared and explicitly shared classes reference unique data
Q3Dict	Template class that provides a dictionary based on QString keys
Q3DictIterator	Iterator for Q3Dict collections
Q3Dns	Asynchronous DNS lookups
Q3DockArea	Manages and lays out Q3DockWindows
Q3DockWindow	Widget which can be docked inside a Q3DockArea or floated as a top level window on the desktop
Q3DragObject	Encapsulates MIME-based data transfer
Q3DropSite	Nothing and does nothing
Q3EditorFactory	Used to create editor widgets for QVariant data types
Q3FileDialog	Dialogs that allow users to select files or directories
Q3FileIconProvider	Icons for Q3FileDialog to use
Q3FilePreview	File previewing in Q3FileDialog
Q3Frame
Q3Ftp	Implementation of the FTP protocol
Q3Grid	Simple geometry management of its children
Q3GridView	Abstract base for fixed-size grids
Q3GroupBox	Group box frame with a title
Q3HBox	Horizontal geometry management for its child widgets
Q3HBoxLayout	Lines up widgets horizontally
Q3HButtonGroup	Organizes button widgets in a group with one horizontal row
Q3HGroupBox	Organizes widgets in a group with one horizontal row
Q3Header	Header row or column, e.g. for tables and listviews
Q3Http	Implementation of the HTTP protocol
Q3HttpHeader	Contains header information for HTTP
Q3HttpRequestHeader	Contains request header information for HTTP
Q3HttpResponseHeader	Contains response header information for HTTP
Q3IconDrag	Supports drag and drop operations within a Q3IconView
Q3IconDragItem	Encapsulates a drag item
Q3IconView	Area with movable labelled icons
Q3IconViewItem	Single item in a Q3IconView
Q3ImageDrag	Drag and drop object for transferring images
Q3IntCache	Template class that provides a cache based on long keys
Q3IntCacheIterator	Iterator for Q3IntCache collections
Q3IntDict	Template class that provides a dictionary based on long keys
Q3IntDictIterator	Iterator for Q3IntDict collections
Q3ListBox	List of selectable, read-only items
Q3ListBoxItem	The base class of all list box items
Q3ListBoxPixmap	List box items with a pixmap and optional text
Q3ListBoxText	List box items that display text
Q3ListView	Implements a list/tree view
Q3ListViewItem	Implements a list view item
Q3ListViewItemIterator	Iterator for collections of Q3ListViewItems
Q3LocalFs	Implementation of a QNetworkProtocol that works on the local file system
Q3MainWindow	Main application window, with a menu bar, dock windows (e.g. for toolbars), and a status bar
Q3MemArray	Template class that provides arrays of simple types
Q3MimeSourceFactory	Extensible provider of mime-typed data
Q3MultiLineEdit	Simple editor for inputting text
Q3NetworkOperation	Common operations for network protocols
Q3NetworkProtocol	Common API for network protocols
Q3PaintDeviceMetrics	Information about a paint device
Q3Painter	Qt 3 compatibility wrapper for QPainter
Q3Picture	Paint device that records and replays Q3Painter commands
Q3PointArray
Q3PopupMenu	Thin compatibility wrapper around QMenu
Q3Process	Used to start external programs and to communicate with them
Q3ProgressBar	Horizontal progress bar
Q3ProgressDialog	Feedback on the progress of a slow operation
Q3PtrCollection	The base class of most pointer-based Qt collections
Q3PtrDict	Template class that provides a dictionary based on void* keys
Q3PtrDictIterator	Iterator for Q3PtrDict collections
Q3PtrList	Template class that provides a list
Q3PtrListIterator	Iterator for Q3PtrList collections
Q3PtrQueue	Template class that provides a queue
Q3PtrStack	Template class that provides a stack
Q3PtrVector	Template collection class that provides a vector (array)
Q3RangeControl	Integer value within a range
Q3ScrollView	Scrolling area with on-demand scroll bars
Q3Semaphore	Robust integer semaphore
Q3ServerSocket	TCP-based server
Q3Shared	Used internally for implementing shared classes
Q3Signal	Can be used to send signals for classes that don't inherit QObject
Q3SimpleRichText	Small displayable piece of rich text
Q3Socket	Buffered TCP connection
Q3SocketDevice	Platform-independent low-level socket API
Q3SqlCursor	Browsing and editing of SQL tables and views
Q3SqlEditorFactory	Used to create the editors used by Q3DataTable and Q3SqlForm
Q3SqlFieldInfo	Stores meta data associated with a SQL field
Q3SqlForm	Creates and manages data entry forms tied to SQL databases
Q3SqlPropertyMap	Used to map widgets to SQL fields
Q3SqlRecordInfo	Encapsulates a set of database field meta data
Q3SqlSelectCursor	Browsing of general SQL SELECT statements
Q3StoredDrag	Simple stored-value drag object for arbitrary MIME data
Q3StrIList	Doubly-linked list of char* with case-insensitive comparison
Q3StrList	Doubly-linked list of char*
Q3StrListIterator	Iterator for the Q3StrList and Q3StrIList classes
Q3StyleSheet	Collection of styles for rich text rendering and a generator of tags
Q3StyleSheetItem	Encapsulation of a set of text styles
Q3SyntaxHighlighter	Base class for implementing Q3TextEdit syntax highlighters
Q3TabDialog	Stack of tabbed widgets
Q3Table	Flexible editable table widget
Q3TableItem	The cell content for Q3Table cells
Q3TableSelection	Access to a selected area in a Q3Table
Q3TextBrowser	Rich text browser with hypertext navigation
Q3TextDrag	Drag and drop object for transferring plain and Unicode text
Q3TextEdit	Powerful single-page rich text editor
Q3TextStream	Basic functions for reading and writing text using a QIODevice
Q3TextView	Rich text viewer
Q3TimeEdit	Time editor
Q3ToolBar	Movable panel containing widgets such as tool buttons
Q3UriDrag	Drag object for a list of URI references
Q3Url	URL parser and simplifies working with URLs
Q3UrlOperator	Common operations on URLs
Q3VBox	Vertical geometry management of its child widgets
Q3VBoxLayout	Lines up widgets vertically
Q3VButtonGroup	Organizes button widgets in a vertical column
Q3VGroupBox	Organizes widgets in a group with one vertical column
Q3ValueList	Value-based template class that provides lists
Q3ValueListConstIterator	Const iterator for Q3ValueList
Q3ValueListIterator	Iterator for Q3ValueList
Q3ValueStack	Value-based template class that provides a stack
Q3ValueVector	Value-based template class that provides a dynamic array
Q3WhatsThis
Q3WidgetStack	Stack of widgets of which only the top widget is user-visible
Q3Wizard	Framework for wizard dialogs
QAbstractButton	The abstract base class of button widgets, providing functionality common to buttons
QAbstractEventDispatcher	Interface to manage Qt's event queue
QAbstractExtensionFactory	Interface for extension factories in Qt Designer
QAbstractExtensionManager	Interface for extension managers in Qt Designer
QAbstractFileEngine	Abstraction for accessing the filesystem
QAbstractFileEngineHandler	Way to register custom file engines with your application
QAbstractFileEngineIterator	Iterator interface for custom file engines
QAbstractFontEngine	The base class for font engine plugins in Qt for Embedded Linux
QAbstractFormBuilder	Default implementation for classes that create user interfaces at run-time
QAbstractGraphicsShapeItem	Common base for all path items
QAbstractItemDelegate	Used to display and edit data items from a model
QAbstractItemModel	The abstract interface for item model classes
QAbstractItemView	The basic functionality for item view classes
QAbstractListModel	Abstract model that can be subclassed to create one-dimensional list models
QAbstractMessageHandler	Callback interface for handling messages
QAbstractNetworkCache	The interface for cache implementations
QAbstractPrintDialog	Base implementation for print dialogs used to configure printers
QAbstractProxyModel	Base class for proxy item models that can do sorting, filtering or other data processing tasks
QAbstractScrollArea	Scrolling area with on-demand scroll bars
QAbstractSlider	Integer value within a range
QAbstractSocket	The base functionality common to all socket types
QAbstractSpinBox	Spinbox and a line edit to display values
QAbstractTableModel	Abstract model that can be subclassed to create table models
QAbstractTextDocumentLayout	Abstract base class used to implement custom layouts for QTextDocuments
QAbstractUriResolver	Callback interface for resolving Uniform Resource Identifiers
QAbstractXmlNodeModel	Abstract base class for modeling non-XML data to look like XML for QXmlQuery
QAbstractXmlReceiver	Callback interface for transforming the output of a QXmlQuery
QAccessible	Enums and static functions relating to accessibility
QAccessibleBridge	The base class for accessibility back-ends
QAccessibleBridgePlugin	Abstract base for accessibility bridge plugins
QAccessibleEvent	Used to query addition accessibility information about complex widgets
QAccessibleInterface	Defines an interface that exposes information about accessible objects
QAccessibleObject	Implements parts of the QAccessibleInterface for QObjects
QAccessiblePlugin	Abstract base for accessibility plugins
QAccessibleWidget	Implements the QAccessibleInterface for QWidgets
QAction	Abstract user interface action that can be inserted into widgets
QActionEvent	Event that is generated when a QAction is added, removed, or changed
QActionGroup	Groups actions together
QApplication	Manages the GUI application's control flow and main settings
QAssistantClient	Means of using Qt Assistant as an application's help tool
QAtomicInt	Platform-independent atomic operations on integers
QAtomicPointer	Template class that provides platform-independent atomic operations on pointers
QAuthenticator	Authentication object
QAxAggregated	Abstract base class for implementations of additional COM interfaces
QAxBase	Abstract class that provides an API to initialize and access a COM object
QAxBindable	Interface between a QWidget and an ActiveX client
QAxFactory	Defines a factory for the creation of COM components
QAxObject	QObject that wraps a COM object
QAxScript	Wrapper around script code
QAxScriptEngine	Wrapper around a script engine
QAxScriptManager	Bridge between application objects and script code
QAxWidget	QWidget that wraps an ActiveX control
QBasicTimer	Timer events for objects
QBitArray	Array of bits
QBitmap	Monochrome (1-bit depth) pixmaps
QBoxLayout	Lines up child widgets horizontally or vertically
QBrush	Defines the fill pattern of shapes drawn by QPainter
QBuffer	QIODevice interface for a QByteArray
QButtonGroup	Container to organize groups of button widgets
QByteArray	Array of bytes
QByteArrayMatcher	Holds a sequence of bytes that can be quickly matched in a byte array
QCDEStyle	CDE look and feel
QCache	Template class that provides a cache
QCalendarWidget	Monthly based calendar widget allowing the user to select a date
QChar	16-bit Unicode character
QCheckBox	Checkbox with a text label
QChildEvent	Contains event parameters for child object events
QCleanlooksStyle	Widget style similar to the Clearlooks style available in GNOME
QClipboard	Access to the window system clipboard
QCloseEvent	Contains parameters that describe a close event
QColor	Colors based on RGB, HSV or CMYK values
QColorDialog	Dialog widget for specifying colors
QColorGroup	Contains color groups for each widget state
QColormap	Maps device independent QColors to device dependent pixel values
QColumnView	Model/view implementation of a column view
QComboBox	Combined button and popup list
QCommandLinkButton	Vista style command link button
QCommonStyle	Encapsulates the common Look and Feel of a GUI
QCompleter	Completions based on an item model
QConicalGradient	Used in combination with QBrush to specify a conical gradient brush
QConstString	Wrapper for constant Unicode string data
QContextMenuEvent	Contains parameters that describe a context menu event
QCopChannel	Communication capabilities between clients in
QCoreApplication	Event loop for console Qt applications
QCryptographicHash	Way to generate cryptographic hashes
QCursor	Mouse cursor with an arbitrary shape
QCustomEvent	Support for custom events
QCustomRasterPaintDevice	Provided to activate hardware accelerated paint engines in Qt for Embedded Linux
QDBusAbstractAdaptor	The base class of D-Bus adaptor classes
QDBusAbstractAdaptor	The base class of D-Bus adaptor classes
QDBusAbstractInterface	The base class for all D-Bus interfaces in the QtDBus binding, allowing access to remote interfaces
QDBusAbstractInterface	The base class for all D-Bus interfaces in the QtDBus binding, allowing access to remote interfaces
QDBusArgument	Used to marshall and demarshall D-Bus arguments
QDBusArgument	Used to marshall and demarshall D-Bus arguments
QDBusConnection	Represents a connection to the D-Bus bus daemon
QDBusConnection	Represents a connection to the D-Bus bus daemon
QDBusConnectionInterface	Access to the D-Bus bus daemon service
QDBusConnectionInterface	Access to the D-Bus bus daemon service
QDBusContext	Allows slots to determine the D-Bus context of the calls
QDBusContext	Allows slots to determine the D-Bus context of the calls
QDBusError	Represents an error received from the D-Bus bus or from remote applications found in the bus
QDBusError	Represents an error received from the D-Bus bus or from remote applications found in the bus
QDBusInterface	Proxy for interfaces on remote objects
QDBusInterface	Proxy for interfaces on remote objects
QDBusMessage	Represents one message sent or received over the D-Bus bus
QDBusMessage	Represents one message sent or received over the D-Bus bus
QDBusObjectPath	Enables the programmer to identify the OBJECT_PATH type provided by the D-Bus typesystem
QDBusObjectPath	Enables the programmer to identify the OBJECT_PATH type provided by the D-Bus typesystem
QDBusPendingCall	Refers to one pending asynchronous call
QDBusPendingCall	Refers to one pending asynchronous call
QDBusPendingCallWatcher	Convenient way for waiting for asynchronous replies
QDBusPendingCallWatcher	Convenient way for waiting for asynchronous replies
QDBusPendingReply	Contains the reply to an asynchronous method call
QDBusPendingReply	Contains the reply to an asynchronous method call
QDBusReply	Stores the reply for a method call to a remote object
QDBusReply	Stores the reply for a method call to a remote object
QDBusServer	Peer-to-peer communication between processes on the same computer
QDBusServer	Peer-to-peer communication between processes on the same computer
QDBusSignature	Enables the programmer to identify the SIGNATURE type provided by the D-Bus typesystem
QDBusSignature	Enables the programmer to identify the SIGNATURE type provided by the D-Bus typesystem
QDBusVariant	Enables the programmer to identify the variant type provided by the D-Bus typesystem
QDBusVariant	Enables the programmer to identify the variant type provided by the D-Bus typesystem
QDataStream	Serialization of binary data to a QIODevice
QDataWidgetMapper	Mapping between a section of a data model to widgets
QDate	Date functions
QDateEdit	Widget for editing dates based on the QDateTimeEdit widget
QDateTime	Date and time functions
QDateTimeEdit	Widget for editing dates and times
QDebug	Output stream for debugging information
QDecoration	Base class for window decorations in Qt for Embedded Linux
QDecorationDefault	Base class providing default window decorations
QDecorationFactory	Creates window decorations in Qt for Embedded Linux
QDecorationPlugin	Abstract base class for window decoration plugins in Qt for Embedded Linux
QDesignerActionEditorInterface	Allows you to change the focus of Qt Designer's action editor
QDesignerContainerExtension	Allows you to add pages to a custom multi-page container in Qt Designer's workspace
QDesignerCustomWidgetCollectionInterface	Allows you to include several custom widgets in one single library
QDesignerCustomWidgetInterface	Enables Qt Designer to access and construct custom widgets
QDesignerDynamicPropertySheetExtension	Allows you to manipulate a widget's dynamic properties in Qt Designer's property editor
QDesignerFormEditorInterface	Allows you to access Qt Designer's various components
QDesignerFormWindowCursorInterface	Allows you to query and modify a form window's widget selection, and in addition modify the properties of all the form's widgets
QDesignerFormWindowInterface	Allows you to query and manipulate form windows appearing in Qt Designer's workspace
QDesignerFormWindowManagerInterface	Allows you to manipulate the collection of form windows in Qt Designer, and control Qt Designer's form editing actions
QDesignerMemberSheetExtension	Allows you to manipulate a widget's member functions which is displayed when configuring connections using Qt Designer's mode for editing signals and slots
QDesignerObjectInspectorInterface	Allows you to change the focus of Qt Designer's object inspector
QDesignerPropertyEditorInterface	Allows you to query and manipulate the current state of Qt Designer's property editor
QDesignerPropertySheetExtension	Allows you to manipulate a widget's properties which is displayed in Qt Designer's property editor
QDesignerTaskMenuExtension	Allows you to add custom menu entries to Qt Designer's task menu
QDesignerWidgetBoxInterface	Allows you to control the contents of Qt Designer's widget box
QDesktopServices	Methods for accessing common desktop services
QDesktopWidget	Access to screen information on multi-head systems
QDial	Rounded range control (like a speedometer or potentiometer)
QDialog	The base class of dialog windows
QDialogButtonBox	Widget that presents buttons in a layout that is appropriate to the current widget style
QDir	Access to directory structures and their contents
QDirIterator	Iterator for directory entrylists
QDirModel	Data model for the local filesystem
QDirectPainter	Direct access to the underlying hardware in Qt for Embedded Linux
QDockWidget	Widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop
QDomAttr	Represents one attribute of a QDomElement
QDomCDATASection	Represents an XML CDATA section
QDomCharacterData	Represents a generic string in the DOM
QDomComment	Represents an XML comment
QDomDocument	Represents an XML document
QDomDocumentFragment	Tree of QDomNodes which is not usually a complete QDomDocument
QDomDocumentType	The representation of the DTD in the document tree
QDomElement	Represents one element in the DOM tree
QDomEntity	Represents an XML entity
QDomEntityReference	Represents an XML entity reference
QDomImplementation	Information about the features of the DOM implementation
QDomNamedNodeMap	Contains a collection of nodes that can be accessed by name
QDomNode	The base class for all the nodes in a DOM tree
QDomNodeList	List of QDomNode objects
QDomNotation	Represents an XML notation
QDomProcessingInstruction	Represents an XML processing instruction
QDomText	Represents text data in the parsed XML document
QDoubleSpinBox	Spin box widget that takes doubles
QDoubleValidator	Range checking of floating-point numbers
QDrag	Support for MIME-based drag and drop data transfer
QDragEnterEvent	Event which is sent to a widget when a drag and drop action enters it
QDragLeaveEvent	Event that is sent to a widget when a drag and drop action leaves it
QDragMoveEvent	Event which is sent while a drag and drop action is in progress
QDropEvent	Event which is sent when a drag and drop action is completed
QDynamicPropertyChangeEvent	Contains event parameters for dynamic property change events
QErrorMessage	Error message display dialog
QEvent	The base class of all event classes. Event objects contain event parameters
QEventLoop	Means of entering and leaving an event loop
QExplicitlySharedDataPointer	Represents a pointer to an explicitly shared object
QExtensionFactory	Allows you to create a factory that is able to make instances of custom extensions in Qt Designer
QExtensionManager	Extension management facilities for Qt Designer
QFSFileEngine	Implements Qt's default file engine
QFile	Interface for reading from and writing to files
QFileDialog	Dialog that allow users to select files or directories
QFileIconProvider	File icons for the QDirModel class
QFileInfo	System-independent file information
QFileOpenEvent	Event that will be sent when there is a request to open a file
QFileSystemModel	Data model for the local filesystem
QFileSystemWatcher	Interface for monitoring files and directories for modifications
QFlag	Helper data type for QFlags
QFlags	Type-safe way of storing OR-combinations of enum values
QFocusEvent	Contains event parameters for widget focus events
QFocusFrame	Focus frame which can be outside of a widget's normal paintable area
QFont	Specifies a font used for drawing text
QFontComboBox	Combobox that lets the user select a font family
QFontDatabase	Information about the fonts available in the underlying window system
QFontDialog	Dialog widget for selecting a font
QFontEngineInfo	Describes a specific font provided by a font engine plugin
QFontEnginePlugin	The base class for font engine factory plugins in Qt for Embedded Linux
QFontInfo	General information about fonts
QFontMetrics	Font metrics information
QFontMetricsF	Font metrics information
QFormBuilder	Used to dynamically construct user interfaces from .ui files at run-time
QFormLayout	Manages forms of input widgets and their associated labels
QFrame	The base class of widgets that can have a frame
QFtp	Implementation of the client side of FTP protocol
QFuture	Represents the result of an asynchronous computation
QFutureIterator	Java-style const iterator for QFuture
QFutureSynchronizer	Convenience class that simplifies QFuture synchronization
QFutureWatcher	Allows monitoring a QFuture using signals and slots
QGLColormap	Used for installing custom colormaps into QGLWidgets
QGLContext	Encapsulates an OpenGL rendering context
QGLFormat	Specifies the display format of an OpenGL rendering context
QGLFramebufferObject	Encapsulates an OpenGL framebuffer object
QGLPixelBuffer	Encapsulates an OpenGL pbuffer
QGLWidget	Widget for rendering OpenGL graphics
QGenericArgument	Internal helper class for marshalling arguments
QGenericReturnArgument	Internal helper class for marshalling arguments
QGradient	Used in combination with QBrush to specify gradient fills
QGraphicsEllipseItem	Ellipse item that you can add to a QGraphicsScene
QGraphicsGridLayout	Grid layout for managing widgets in Graphics View
QGraphicsItem	The base class for all graphical items in a QGraphicsScene
QGraphicsItemAnimation	Simple animation support for QGraphicsItem
QGraphicsItemGroup	Treating a group of items as one
QGraphicsLayout	The base class for all layouts in Graphics View
QGraphicsLayoutItem	Can be inherited to allow your custom items to be managed by layouts
QGraphicsLineItem	Line item that you can add to a QGraphicsScene
QGraphicsLinearLayout	Horizontal or vertical layout for managing widgets in Graphics View
QGraphicsPathItem	Path item that you can add to a QGraphicsScene
QGraphicsPixmapItem	Pixmap item that you can add to a QGraphicsScene
QGraphicsPolygonItem	Polygon item that you can add to a QGraphicsScene
QGraphicsProxyWidget	Proxy layer for embedding a QWidget in a QGraphicsScene
QGraphicsRectItem	Rectangle item that you can add to a QGraphicsScene
QGraphicsScene	Surface for managing a large number of 2D graphical items
QGraphicsSceneContextMenuEvent	Context menu events in the graphics view framework
QGraphicsSceneDragDropEvent	Events for drag and drop in the graphics view framework
QGraphicsSceneEvent	Base class for all graphics view related events
QGraphicsSceneHelpEvent	Events when a tooltip is requested
QGraphicsSceneHoverEvent	Hover events in the graphics view framework
QGraphicsSceneMouseEvent	Mouse events in the graphics view framework
QGraphicsSceneMoveEvent	Events for widget moving in the graphics view framework
QGraphicsSceneResizeEvent	Events for widget resizing in the graphics view framework
QGraphicsSceneWheelEvent	Wheel events in the graphics view framework
QGraphicsSimpleTextItem	Simple text path item that you can add to a QGraphicsScene
QGraphicsSvgItem	QGraphicsItem that can be used to render the contents of SVG files
QGraphicsTextItem	Text item that you can add to a QGraphicsScene to display formatted text
QGraphicsView	Widget for displaying the contents of a QGraphicsScene
QGraphicsWidget	The base class for all widget items in a QGraphicsScene
QGridLayout	Lays out widgets in a grid
QGroupBox	Group box frame with a title
QGtkStyle	Widget style rendered by GTK+
QHBoxLayout	Lines up widgets horizontally
QHash	Template class that provides a hash-table-based dictionary
QHashIterator	Java-style const iterator for QHash and QMultiHash
QHeaderView	Header row or header column for item views
QHelpContentItem	Item for use with QHelpContentModel
QHelpContentModel	Model that supplies content to views
QHelpContentWidget	Tree view for displaying help content model items
QHelpEngine	Access to contents and indices of the help engine
QHelpEngineCore	The core functionality of the help system
QHelpEvent	Event that is used to request helpful information about a particular point in a widget
QHelpIndexModel	Model that supplies index keywords to views
QHelpIndexWidget	List view displaying the QHelpIndexModel
QHelpSearchEngine	Access to widgets reusable to integrate fulltext search as well as to index and search documentation
QHelpSearchQuery	Contains the field name and the associated search term
QHelpSearchQueryWidget	Simple line edit or an advanced widget to enable the user to input a search term in a standardized input mask
QHelpSearchResultWidget	Either a tree widget or a text browser depending on the used search engine to display the hits found by the search
QHideEvent	Event which is sent after a widget is hidden
QHostAddress	IP address
QHostInfo	Static functions for host name lookups
QHoverEvent	Contains parameters that describe a mouse event
QHttp	Implementation of the HTTP protocol
QHttpHeader	Contains header information for HTTP
QHttpRequestHeader	Contains request header information for HTTP
QHttpResponseHeader	Contains response header information for HTTP
QIODevice	The base interface class of all I/O devices in Qt
QIcon	Scalable icons in different modes and states
QIconDragEvent	Indicates that a main icon drag has begun
QIconEngine	Abstract base class for QIcon renderers
QIconEnginePlugin	Abstract base for custom QIconEngine plugins
QIconEnginePluginV2	Abstract base for custom QIconEngineV2 plugins
QIconEngineV2	Abstract base class for QIcon renderers
QImage	Hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device
QImageIOHandler	Defines the common image I/O interface for all image formats in Qt
QImageIOPlugin	Defines an interface for writing an image format plugin
QImageReader	Format independent interface for reading images from files or other devices
QImageWriter	Format independent interface for writing images to files or other devices
QInputContext	Abstracts the input method dependent data and composing state
QInputContextFactory	Creates QInputContext objects
QInputContextPlugin	Abstract base for custom QInputContext plugins
QInputDialog	Simple convenience dialog to get a single value from the user
QInputEvent	The base class for events that describe user input
QInputMethodEvent	Parameters for input method events
QIntValidator	Validator that ensures a string contains a valid integer within a specified range
QItemDelegate	Display and editing facilities for data items from a model
QItemEditorCreator	Makes it possible to create item editor creator bases without subclassing QItemEditorCreatorBase
QItemEditorCreatorBase	Abstract base class that must be subclassed when implementing new item editor creators
QItemEditorFactory	Widgets for editing item data in views and delegates
QItemSelection	Manages information about selected items in a model
QItemSelectionModel	Keeps track of a view's selected items
QItemSelectionRange	Manages information about a range of selected items in a model
QKbdDriverFactory	Creates keyboard drivers in Qt for Embedded Linux
QKbdDriverPlugin	Abstract base class for keyboard driver plugins in Qt for Embedded Linux
QKeyEvent	Describes a key event
QKeySequence	Encapsulates a key sequence as used by shortcuts
QLCDNumber	Displays a number with LCD-like digits
QLabel	Text or image display
QLatin1Char	8-bit ASCII/Latin-1 character
QLatin1String	Thin wrapper around an ASCII/Latin-1 encoded string literal
QLayout	The base class of geometry managers
QLayoutItem	Abstract item that a QLayout manipulates
QLibrary	Loads shared libraries at runtime
QLibraryInfo	Information about the Qt library
QLine	Two-dimensional vector using integer precision
QLineEdit	One-line text editor
QLineF	Two-dimensional vector using floating point precision
QLinearGradient	Used in combination with QBrush to specify a linear gradient brush
QLinkedList	Template class that provides linked lists
QLinkedListIterator	Java-style const iterator for QLinkedList
QList	Template class that provides lists
QListIterator	Java-style const iterator for QList and QQueue
QListView	List or icon view onto a model
QListWidget	Item-based list widget
QListWidgetItem	Item for use with the QListWidget item view class
QLocalServer	Local socket based server
QLocalSocket	Local socket
QLocale	Converts between numbers and their string representations in various languages
QMacCocoaViewContainer	Widget for Mac OS X that can be used to wrap arbitrary Cocoa views (i.e., NSView subclasses) and insert them into Qt hierarchies
QMacNativeWidget	Widget for Mac OS X that provides a way to put Qt widgets into Carbon or Cocoa hierarchies depending on how Qt was configured
QMacPasteboardMime	Maps open-standard MIME to Mac flavors
QMacStyle	Mac OS X style using the Apple Appearance Manager
QMainWindow	Main application window
QMap	Template class that provides a skip-list-based dictionary
QMapIterator	Java-style const iterator for QMap and QMultiMap
QMatrix	Specifies 2D transformations of a coordinate system
QMdiArea	Area in which MDI windows are displayed
QMdiSubWindow	Subwindow class for QMdiArea
QMenu	Menu widget for use in menu bars, context menus, and other popup menus
QMenuBar	Horizontal menu bar
QMenuItem	Represents an item in a menu
QMessageBox	Modal dialog for informing the user or for asking the user a question and receiving an answer
QMetaClassInfo	Additional information about a class
QMetaEnum	Meta-data about an enumerator
QMetaMethod	Meta-data about a member function
QMetaObject	Contains meta-information about Qt objects
QMetaProperty	Meta-data about a property
QMetaType	Manages named types in the meta-object system
QMimeData	Container for data that records information about its MIME type
QMimeSource	Abstraction of objects that provided formatted data of a certain MIME type
QModelIndex	Used to locate data in a data model
QMotifStyle	Motif look and feel
QMouseDriverFactory	Creates mouse drivers in Qt for Embedded Linux
QMouseDriverPlugin	Abstract base class for mouse driver plugins in Qt for Embedded Linux
QMouseEvent	Contains parameters that describe a mouse event
QMoveEvent	Contains event parameters for move events
QMovie	Convenience class for playing movies with QImageReader
QMultiHash	Convenience QHash subclass that provides multi-valued hashes
QMultiMap	Convenience QMap subclass that provides multi-valued maps
QMutableHashIterator	Java-style non-const iterator for QHash and QMultiHash
QMutableLinkedListIterator	Java-style non-const iterator for QLinkedList
QMutableListIterator	Java-style non-const iterator for QList and QQueue
QMutableMapIterator	Java-style non-const iterator for QMap and QMultiMap
QMutableSetIterator	Java-style non-const iterator for QSet
QMutableVectorIterator	Java-style non-const iterator for QVector and QStack
QMutex	Access serialization between threads
QMutexLocker	Convenience class that simplifies locking and unlocking mutexes
QNetworkAccessManager	Allows the application to post network requests and receive replies
QNetworkAddressEntry	Stores one IP address supported by a network interface, along with its associated netmask and broadcast address
QNetworkCacheMetaData	Cache information
QNetworkCookie	Holds one network cookie
QNetworkCookieJar	Implements a simple jar of QNetworkCookie objects
QNetworkDiskCache	Very basic disk cache
QNetworkInterface	Listing of the host's IP addresses and network interfaces
QNetworkProxy	Network layer proxy
QNetworkProxyFactory	Fine-grained proxy selection
QNetworkProxyQuery	Used to query the proxy settings for a socket
QNetworkReply	Contains the data and headers for a request posted with QNetworkAccessManager
QNetworkRequest	Holds one request to be sent with the Network Access API
QObject	The base class of all Qt objects
QObjectCleanupHandler	Watches the lifetime of multiple QObjects
QPageSetupDialog	Configuration dialog for the page-related options on a printer
QPaintDevice	The base class of objects that can be painted
QPaintEngine	Abstract definition of how QPainter draws to a given device on a given platform
QPaintEngineState	Information about the active paint engine's current state
QPaintEvent	Contains event parameters for paint events
QPainter	Performs low-level painting on widgets and other paint devices
QPainterPath	Container for painting operations, enabling graphical shapes to be constructed and reused
QPainterPathStroker	Used to generate fillable outlines for a given painter path
QPair	Template class that stores a pair of items
QPalette	Contains color groups for each widget state
QPen	Defines how a QPainter should draw lines and outlines of shapes
QPersistentModelIndex	Used to locate data in a data model
QPicture	Paint device that records and replays QPainter commands
QPictureFormatPlugin	Abstract base for custom picture format plugins
QPictureIO	Contains parameters for loading and saving pictures
QPixmap	Off-screen image representation that can be used as a paint device
QPixmapCache	Application-wide cache for pixmaps
QPlainTextDocumentLayout	Implements a plain text layout for QTextDocument
QPlainTextEdit	Widget that is used to edit and display plain text
QPlastiqueStyle	Widget style similar to the Plastik style available in KDE
QPluginLoader	Loads a plugin at run-time
QPoint	Defines a point in the plane using integer precision
QPointF	Defines a point in the plane using floating point precision
QPointer	Template class that provides guarded pointers to QObjects
QPolygon	Vector of points using integer precision
QPolygonF	Vector of points using floating point precision
QPrintDialog	Dialog for specifying the printer's configuration
QPrintEngine	Defines an interface for how QPrinter interacts with a given printing subsystem
QPrintPreviewDialog	Dialog for previewing and configuring page layouts for printer output
QPrintPreviewWidget	Widget for previewing page layouts for printer output
QPrinter	Paint device that paints on a printer
QPrinterInfo	Gives access to information about existing printers
QProcess	Used to start external programs and to communicate with them
QProgressBar	Horizontal or vertical progress bar
QProgressDialog	Feedback on the progress of a slow operation
QProxyModel	Support for processing data passed between another model and a view
QProxyScreen	Generic interface to QScreen implementations
QProxyScreenCursor	Generic interface to QScreenCursor implementations
QPushButton	Command button
QQueue	Generic container that provides a queue
QRadialGradient	Used in combination with QBrush to specify a radial gradient brush
QRadioButton	Radio button with a text label
QRasterPaintEngine	Enables hardware acceleration of painting operations in Qt for Embedded Linux
QReadLocker	Convenience class that simplifies locking and unlocking read-write locks for read access
QReadWriteLock	Read-write locking
QRect	Defines a rectangle in the plane using integer precision
QRectF	Defines a rectangle in the plane using floating point precision
QRegExp	Pattern matching using regular expressions
QRegExpValidator	Used to check a string against a regular expression
QRegion	Specifies a clip region for a painter
QResizeEvent	Contains event parameters for resize events
QResource	Interface for reading directly from resources
QRubberBand	Rectangle or line that can indicate a selection or a boundary
QRunnable	The base class for all runnable objects
QScreen	Base class for screen drivers in Qt for Embedded Linux
QScreenCursor	Base class for screen cursors in Qt for Embedded Linux
QScreenDriverFactory	Creates screen drivers in Qt for Embedded Linux
QScreenDriverPlugin	Abstract base class for screen driver plugins in Qt for Embedded Linux
QScriptClass	Interface for defining custom behavior of (a class of) Qt Script objects
QScriptClassPropertyIterator	Iterator interface for custom Qt Script objects
QScriptContext	Represents a Qt Script function invocation
QScriptContextInfo	Additional information about a QScriptContext
QScriptEngine	Environment for evaluating Qt Script code
QScriptEngineAgent	Interface to report events pertaining to QScriptEngine execution
QScriptEngineDebugger	QScriptEngine debugger
QScriptExtensionPlugin	Abstract base for custom QScript extension plugins
QScriptString	Acts as a handle to "interned" strings in a QScriptEngine
QScriptSyntaxCheckResult	The result of a script syntax check
QScriptValue	Acts as a container for the Qt Script data types
QScriptValueIterator	Java-style iterator for QScriptValue
QScriptable	Access to the Qt Script environment from Qt C++ member functions
QScrollArea	Scrolling view onto another widget
QScrollBar	Vertical or horizontal scroll bar
QSemaphore	General counting semaphore
QSessionManager	Access to the session manager
QSet	Template class that provides a hash-table-based set
QSetIterator	Java-style const iterator for QSet
QSettings	Persistent platform-independent application settings
QSharedData	Base class for shared data objects
QSharedDataPointer	Represents a pointer to an implicitly shared object
QSharedMemory	Access to a shared memory segment
QSharedPointer	Holds a strong reference to a shared pointer
QShortcut	Used to create keyboard shortcuts
QShortcutEvent	Event which is generated when the user presses a key combination
QShowEvent	Event that is sent when a widget is shown
QSignalMapper	Bundles signals from identifiable senders
QSignalSpy	Enables introspection of signal emission
QSimpleXmlNodeModel	Implementation of QAbstractXmlNodeModel sufficient for many common cases
QSize	Defines the size of a two-dimensional object using integer point precision
QSizeF	Defines the size of a two-dimensional object using floating point precision
QSizeGrip	Resize handle for resizing top-level windows
QSizePolicy	Layout attribute describing horizontal and vertical resizing policy
QSlider	Vertical or horizontal slider
QSocketNotifier	Support for monitoring activity on a file descriptor
QSortFilterProxyModel	Support for sorting and filtering data passed between another model and a view
QSound	Access to the platform audio facilities
QSourceLocation	Identifies a location in a resource by URI, line, and column
QSpacerItem	Blank space in a layout
QSpinBox	Spin box widget
QSplashScreen	Splash screen that can be shown during application startup
QSplitter	Implements a splitter widget
QSplitterHandle	Handle functionality of the splitter
QSqlDatabase	Represents a connection to a database
QSqlDriver	Abstract base class for accessing specific SQL databases
QSqlDriverCreator	Template class that provides a SQL driver factory for a specific driver type
QSqlDriverCreatorBase	The base class for SQL driver factories
QSqlDriverPlugin	Abstract base for custom QSqlDriver plugins
QSqlError	SQL database error information
QSqlField	Manipulates the fields in SQL database tables and views
QSqlIndex	Functions to manipulate and describe database indexes
QSqlQuery	Means of executing and manipulating SQL statements
QSqlQueryModel	Read-only data model for SQL result sets
QSqlRecord	Encapsulates a database record
QSqlRelation	Stores information about an SQL foreign key
QSqlRelationalDelegate	Delegate that is used to display and edit data from a QSqlRelationalTableModel
QSqlRelationalTableModel	Editable data model for a single database table, with foreign key support
QSqlResult	Abstract interface for accessing data from specific SQL databases
QSqlTableModel	Editable data model for a single database table
QSslCertificate	Convenient API for an X509 certificate
QSslCipher	Represents an SSL cryptographic cipher
QSslConfiguration	Holds the configuration and state of an SSL connection
QSslError	SSL error
QSslKey	Interface for private and public keys
QSslSocket	SSL encrypted socket for both clients and servers
QStack	Template class that provides a stack
QStackedLayout	Stack of widgets where only one widget is visible at a time
QStackedWidget	Stack of widgets where only one widget is visible at a time
QStandardItem	Item for use with the QStandardItemModel class
QStandardItemEditorCreator	The possibility to register widgets without having to subclass QItemEditorCreatorBase
QStandardItemModel	Generic model for storing custom data
QStatusBar	Horizontal bar suitable for presenting status information
QStatusTipEvent	Event that is used to show messages in a status bar
QString	Unicode character string
QStringList	List of strings
QStringListModel	Model that supplies strings to views
QStringMatcher	Holds a sequence of characters that can be quickly matched in a Unicode string
QStringRef	Thin wrapper around QString substrings
QStyle	Abstract base class that encapsulates the look and feel of a GUI
QStyleFactory	Creates QStyle objects
QStyleHintReturn	Style hints that return more than basic data types
QStyleHintReturnMask	Style hints that return a QRegion
QStyleHintReturnVariant	Style hints that return a QVariant
QStyleOption	Stores the parameters used by QStyle functions
QStyleOptionButton	Used to describe the parameters for drawing buttons
QStyleOptionComboBox	Used to describe the parameter for drawing a combobox
QStyleOptionComplex	Used to hold parameters that are common to all complex controls
QStyleOptionDockWidget	Used to describe the parameters for drawing a dock widget
QStyleOptionFocusRect	Used to describe the parameters for drawing a focus rectangle with QStyle
QStyleOptionFrame	Used to describe the parameters for drawing a frame
QStyleOptionFrameV2	Used to describe the parameters necessary for drawing a frame in Qt 4.1 or above
QStyleOptionFrameV3	Used to describe the parameters necessary for drawing a frame in Qt 4.1 or above
QStyleOptionGraphicsItem	Used to describe the parameters needed to draw a QGraphicsItem
QStyleOptionGroupBox	Describes the parameters for drawing a group box
QStyleOptionHeader	Used to describe the parameters for drawing a header
QStyleOptionMenuItem	Used to describe the parameter necessary for drawing a menu item
QStyleOptionProgressBar	Used to describe the parameters necessary for drawing a progress bar
QStyleOptionProgressBarV2	Used to describe the parameters necessary for drawing a progress bar in Qt 4.1 or above
QStyleOptionQ3DockWindow	Used to describe the parameters for drawing various parts of a Q3DockWindow
QStyleOptionQ3ListView	Used to describe the parameters for drawing a Q3ListView
QStyleOptionQ3ListViewItem	Used to describe an item drawn in a Q3ListView
QStyleOptionRubberBand	Used to describe the parameters needed for drawing a rubber band
QStyleOptionSizeGrip	Used to describe the parameter for drawing a size grip
QStyleOptionSlider	Used to describe the parameters needed for drawing a slider
QStyleOptionSpinBox	Used to describe the parameters necessary for drawing a spin box
QStyleOptionTab	Used to describe the parameters for drawing a tab bar
QStyleOptionTabBarBase	Used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with
QStyleOptionTabBarBaseV2	Used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with
QStyleOptionTabV2	Used to describe the parameters necessary for drawing a tabs in Qt 4.1 or above
QStyleOptionTabV3	Used to describe the parameters necessary for drawing a tabs in Qt 4.5 or above
QStyleOptionTabWidgetFrame	Used to describe the parameters for drawing the frame around a tab widget
QStyleOptionTitleBar	Used to describe the parameters for drawing a title bar
QStyleOptionToolBar	Used to describe the parameters for drawing a toolbar
QStyleOptionToolBox	Used to describe the parameters needed for drawing a tool box
QStyleOptionToolBoxV2	Used to describe the parameters necessary for drawing a frame in Qt 4.3 or above
QStyleOptionToolButton	Used to describe the parameters for drawing a tool button
QStyleOptionViewItem	Used to describe the parameters used to draw an item in a view widget
QStyleOptionViewItemV2	Used to describe the parameters necessary for drawing a frame in Qt 4.2 or above
QStyleOptionViewItemV3	Used to describe the parameters necessary for drawing a frame in Qt 4.3 or above
QStyleOptionViewItemV4	Used to describe the parameters necessary for drawing a frame in Qt 4.4 or above
QStylePainter	Convenience class for drawing QStyle elements inside a widget
QStylePlugin	Abstract base for custom QStyle plugins
QStyledItemDelegate	Display and editing facilities for data items from a model
QSvgGenerator	Paint device that is used to create SVG drawings
QSvgRenderer	Used to draw the contents of SVG files onto paint devices
QSvgWidget	Widget that is used to display the contents of Scalable Vector Graphics (SVG) files
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
QSysInfo	Information about the system
QSystemLocale	Can be used to finetune the system locale of the user
QSystemSemaphore	General counting system semaphore
QSystemTrayIcon	Icon for an application in the system tray
QTabBar	Tab bar, e.g. for use in tabbed dialogs
QTabWidget	Stack of tabbed widgets
QTableView	Default model/view implementation of a table view
QTableWidget	Item-based table view with a default model
QTableWidgetItem	Item for use with the QTableWidget class
QTableWidgetSelectionRange	Way to interact with selection in a model without using model indexes and a selection model
QTabletEvent	Contains parameters that describe a Tablet event
QTcpServer	TCP-based server
QTcpSocket	TCP socket
QTemporaryFile	I/O device that operates on temporary files
QTestEventList	List of GUI events
QTextBlock	Container for text fragments in a QTextDocument
QTextBlockFormat	Formatting information for blocks of text in a QTextDocument
QTextBlockGroup	Container for text blocks within a QTextDocument
QTextBlockUserData	Used to associate custom data with blocks of text
QTextBoundaryFinder	Way of finding Unicode text boundaries in a string
QTextBrowser	Rich text browser with hypertext navigation
QTextCharFormat	Formatting information for characters in a QTextDocument
QTextCodec	Conversions between text encodings
QTextCodecPlugin	Abstract base for custom QTextCodec plugins
QTextCursor	Offers an API to access and modify QTextDocuments
QTextDecoder	State-based decoder
QTextDocument	Holds formatted text that can be viewed and edited using a QTextEdit
QTextDocumentFragment	Represents a piece of formatted text from a QTextDocument
QTextDocumentWriter	Format-independent interface for writing a QTextDocument to files or other devices
QTextEdit	Widget that is used to edit and display both plain and rich text
QTextEncoder	State-based encoder
QTextFormat	Formatting information for a QTextDocument
QTextFragment	Holds a piece of text in a QTextDocument with a single QTextCharFormat
QTextFrame	Represents a frame in a QTextDocument
QTextFrameFormat	Formatting information for frames in a QTextDocument
QTextIStream	Convenience class for input streams
QTextImageFormat	Formatting information for images in a QTextDocument
QTextInlineObject	Represents an inline object in a QTextLayout
QTextItem	All the information required to draw text in a custom paint engine
QTextLayout	Used to lay out and paint a single paragraph of text
QTextLength	Encapsulates the different types of length used in a QTextDocument
QTextLine	Represents a line of text inside a QTextLayout
QTextList	Decorated list of items in a QTextDocument
QTextListFormat	Formatting information for lists in a QTextDocument
QTextOStream	Convenience class for output streams
QTextObject	Base class for different kinds of objects that can group parts of a QTextDocument together
QTextObjectInterface	Allows drawing of custom text objects in
QTextOption	Description of general rich text properties
QTextStream	Convenient interface for reading and writing text
QTextTable	Represents a table in a QTextDocument
QTextTableCell	Represents the properties of a cell in a QTextTable
QTextTableCellFormat	Formatting information for table cells in a QTextDocument
QTextTableFormat	Formatting information for tables in a QTextDocument
QThread	Platform-independent threads
QThreadPool	Manages a collection of QThreads
QThreadStorage	Per-thread data storage
QTime	Clock time functions
QTimeEdit	Widget for editing times based on the QDateTimeEdit widget
QTimeLine	Timeline for controlling animations
QTimer	Repetitive and single-shot timers
QTimerEvent	Contains parameters that describe a timer event
QToolBar	Movable panel that contains a set of controls
QToolBox	Column of tabbed widget items
QToolButton	Quick-access button to commands or options, usually used inside a QToolBar
QToolTip	Tool tips (balloon help) for any widget
QTransform	Specifies 2D transformations of a coordinate system
QTranslator	Internationalization support for text output
QTreeView	Default model/view implementation of a tree view
QTreeWidget	Tree view that uses a predefined tree model
QTreeWidgetItem	Item for use with the QTreeWidget convenience class
QTreeWidgetItemIterator	Way to iterate over the items in a QTreeWidget instance
QUdpSocket	UDP socket
QUiLoader	Enables standalone applications to dynamically create user interfaces at run-time using the information stored in .ui files or specified in plugin paths
QUndoCommand	The base class of all commands stored on a QUndoStack
QUndoGroup	Group of QUndoStack objects
QUndoStack	Stack of QUndoCommand objects
QUndoView	Displays the contents of a QUndoStack
QUrl	Convenient interface for working with URLs
QUrlInfo	Stores information about URLs
QUuid	Stores a Universally Unique Identifier (UUID)
QVBoxLayout	Lines up widgets vertically
QValidator	Validation of input text
QVarLengthArray	Low-level variable-length array
QVariant	Acts like a union for the most common Qt data types
QVector	Template class that provides a dynamic array
QVectorIterator	Java-style const iterator for QVector and QStack
QWSCalibratedMouseHandler	Mouse calibration and noise reduction in Qt for Embedded Linux
QWSClient	Encapsulates a client process in Qt for Embedded Linux
QWSEmbedWidget	Enables embedded top-level widgets in Qt for Embedded Linux
QWSEvent	Encapsulates an event in Qt for Embedded Linux
QWSGLWindowSurface	The drawing area for top-level windows with Qt for Embedded Linux on EGL/OpenGL ES. It also provides the drawing area for
QWSInputMethod	International input methods in Qt for Embedded Linux
QWSKeyboardHandler	Base class for keyboard drivers in Qt for Embedded Linux
QWSMouseHandler	Base class for mouse drivers in Qt for Embedded Linux
QWSPointerCalibrationData	Container for mouse calibration data in Qt for Embedded Linux
QWSScreenSaver	Base class for screensavers in Qt for Embedded Linux
QWSServer	Encapsulates a server process in Qt for Embedded Linux
QWSWindow	Encapsulates a top-level window in Qt for Embedded Linux
QWaitCondition	Condition variable for synchronizing threads
QWeakPointer	Holds a weak reference to a shared pointer
QWebDatabase	Access to HTML 5 databases created with JavaScript
QWebFrame	Represents a frame in a web page
QWebHistory	Represents the history of a QWebPage
QWebHistoryInterface	Interface to implement link history
QWebHistoryItem	Represents one item in the history of a QWebPage
QWebHitTestResult	Information about the web page content after a hit test
QWebPage	Object to view and edit web documents
QWebPluginFactory	Creates plugins to be embedded into web pages
QWebSecurityOrigin	Defines a security boundary for web sites
QWebSettings	Object to store the settings used by QWebPage and QWebFrame
QWebView	Widget that is used to view and edit web documents
QWhatsThis	Simple description of any widget, i.e. answering the question "What's This?"
QWhatsThisClickedEvent	Event that can be used to handle hyperlinks in a "What's This?" text
QWheelEvent	Contains parameters that describe a wheel event
QWidget	The base class of all user interface objects
QWidgetAction	Extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars
QWidgetItem	Layout item that represents a widget
QWindowStateChangeEvent	The window state before a window state change
QWindowsMime	Maps open-standard MIME to Window Clipboard formats
QWindowsStyle	Microsoft Windows-like look and feel
QWindowsVistaStyle	Look and feel suitable for applications on Microsoft Windows Vista
QWindowsXPStyle	Microsoft Windows XP-like look and feel
QWizard	Framework for wizards
QWizardPage	The base class for wizard pages
QWorkspace	Workspace window that can be used in an MDI application
QWriteLocker	Convenience class that simplifies locking and unlocking read-write locks for write access
QX11EmbedContainer	XEmbed container widget
QX11EmbedWidget	XEmbed client widget
QX11Info	Information about the X display configuration
QXmlAttributes	XML attributes
QXmlContentHandler	Interface to report the logical content of XML data
QXmlDTDHandler	Interface to report DTD content of XML data
QXmlDeclHandler	Interface to report declaration content of XML data
QXmlDefaultHandler	Default implementation of all the XML handler classes
QXmlEntityResolver	Interface to resolve external entities contained in XML data
QXmlErrorHandler	Interface to report errors in XML data
QXmlFormatter	Implementation of QXmlSerializer for transforming XQuery output into formatted XML
QXmlInputSource	The input data for the QXmlReader subclasses
QXmlItem	Contains either an XML node or an atomic value
QXmlLexicalHandler	Interface to report the lexical content of XML data
QXmlLocator	The XML handler classes with information about the parsing position within a file
QXmlName	Represents the name of an XML node, in an efficient, namespace-aware way
QXmlNamePool	Table of shared strings referenced by instances of QXmlName
QXmlNamespaceSupport	Helper class for XML readers which want to include namespace support
QXmlNodeModelIndex	Identifies a node in an XML node model subclassed from QAbstractXmlNodeModel
QXmlParseException	Used to report errors with the QXmlErrorHandler interface
QXmlQuery	Performs XQueries on XML data, or on non-XML data modeled to look like XML
QXmlReader	Interface for XML readers (i.e. parsers)
QXmlResultItems	Iterates through the results of evaluating an XQuery in QXmlQuery
QXmlSerializer	Implementation of QAbstractXmlReceiver for transforming XQuery output into unformatted XML
QXmlSimpleReader	Implementation of a simple XML parser
QXmlStreamAttribute	Represents a single XML attribute
QXmlStreamAttributes	Represents a vector of QXmlStreamAttribute
QXmlStreamEntityDeclaration	Represents a DTD entity declaration
QXmlStreamEntityResolver	Entity resolver for a QXmlStreamReader
QXmlStreamNamespaceDeclaration	Represents a namespace declaration
QXmlStreamNotationDeclaration	Represents a DTD notation declaration
QXmlStreamReader	Fast parser for reading well-formed XML via a simple streaming API
QXmlStreamWriter	XML writer with a simple streaming API
Phonon::SeekSlider	Slider for seeking to positions in media streams
QtConcurrent::UnhandledException	Represents an unhandled exception in a worker thread
Phonon::VideoPlayer	Used to perform playback of video
Phonon::VideoWidget	Widget that is used to display video
Phonon::VolumeSlider	Slider that is used to control the volume of an audio output device

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