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Annotated Class Index

Qt's classes with brief descriptions:

QAbstractButtonThe abstract base class of button widgets, providing functionality common to buttons
QAbstractEventDispatcherManages Qt's event queue, excluding GUI-related events
QAbstractExtensionFactoryInterface for extension factories in Qt Designer
QAbstractExtensionManagerInterface for extension managers in Qt Designer
QAbstractFileEngineAbstraction for accessing the filesystem
QAbstractFileEngineHandlerWay to register custom file engines with your application
QAbstractFormBuilderDefault implementation for classes that create user interfaces at run-time
QAbstractItemDelegateUsed to display and edit data items from a model
QAbstractItemModelThe abstract interface for item model classes
QAbstractItemViewThe basic functionality for item view classes
QAbstractListModelAbstract model that can be subclassed to create one-dimensional list models
QAbstractPrintDialogBase implementation for print dialogs used to configure printers
QAbstractProxyModelBase class for proxy item models that can do sorting, filtering or other data processing tasks
QAbstractScrollAreaScrolling area with on-demand scroll bars
QAbstractSliderInteger value within a range
QAbstractSocketThe base functionality common to all socket types
QAbstractSpinBoxSpinbox and a line edit to display values
QAbstractTableModelAbstract model that can be subclassed to create table models
QAbstractTextDocumentLayoutAbstract base class used to implement custom layouts for QTextDocuments
QAccessibleEnums and static functions relating to accessibility
QAccessibleBridgeThe base class for accessibility back-ends
QAccessibleBridgePluginAbstract base for accessibility bridge plugins
QAccessibleEventUsed to query addition accessibility information about complex widgets
QAccessibleInterfaceDefines an interface that exposes information about accessible objects
QAccessibleObjectImplements parts of the QAccessibleInterface for QObjects
QAccessiblePluginAbstract base for accessibility plugins
QAccessibleWidgetImplements the QAccessibleInterface for QWidgets
QActionAbstract user interface action that can be inserted into widgets
QActionEventEvent that is generated when a QAction is added, removed, or changed
QActionGroupGroups actions together
QApplicationManages the GUI application's control flow and main settings
QAssistantClientMeans of using Qt Assistant as an application's help tool
QAxAggregatedAbstract base class for implementations of additional COM interfaces
QAxBaseAbstract class that provides an API to initalize and access a COM object
QAxBindableInterface between a QWidget and an ActiveX client
QAxFactoryDefines a factory for the creation of COM components
QAxObjectQObject that wraps a COM object
QAxScriptWrapper around script code
QAxScriptEngineWrapper around a script engine
QAxScriptManagerBridge between application objects and script code
QAxWidgetQWidget that wraps an ActiveX control
QBasicTimerTimer events for objects
QBitArrayArray of bits
QBitmapMonochrome (1-bit depth) pixmaps
QBoxLayoutLines up child widgets horizontally or vertically
QBrushDefines the fill pattern of shapes drawn by QPainter
QBufferQIODevice interface for a QByteArray
QButtonGroupContainer to organize groups of button widgets
QByteArrayArray of bytes
QByteArrayMatcherHolds a sequence of bytes that can be quickly matched in a byte array
QCDEStyleCDE look and feel
QCacheTemplate class that provides a cache
QChar16-bit Unicode character
QCheckBoxCheckbox with a text label
QChildEventEvent parameters for child object events
QClipboardAccess to the window system clipboard
QCloseEventParameters that describe a close event
QColorColors based on RGB, HSV or CMYK values
QColorDialogDialog widget for specifying colors
QColormapMaps device independent QColors to device dependent pixel values
QComboBoxCombined button and popup list
QCommonStyleEncapsulates the common Look and Feel of a GUI
QConicalGradientUsed in combination with QBrush to specify a conical gradient brush
QContextMenuEventParameters that describe a context menu event
QCopChannelCommunication capabilities between clients
QCoreApplicationEvent loop for console Qt applications
QCursorMouse cursor with an arbitrary shape
QDataStreamSerialization of binary data to a QIODevice
QDateDate functions
QDateEditWidget for editing dates based on the QDateTimeEdit widget
QDateTimeDate and time functions
QDateTimeEditWidget for editing dates and times
QDecorationAllows the appearance of top level windows to be customized
QDecorationFactoryCreates QDecoration objects
QDecorationPluginAbstract base class for decoration plugins
QDesignerActionEditorInterfaceAllows you to change the focus of Qt Designer's action editor
QDesignerContainerExtensionAllows you to add pages to a custom multi-page container in Qt Designer's workspace
QDesignerCustomWidgetCollectionInterfaceAllows you to include several custom widgets in one single library
QDesignerCustomWidgetInterfaceEnables Qt Designer to access and construct a custom widget
QDesignerFormEditorInterfaceAllows you to access Qt Designer's various components
QDesignerFormWindowCursorInterfaceAllows you to query and modify a form window's widget selection, and in addition modify the properties of all the form's widgets
QDesignerFormWindowInterfaceAllows you to query and manipulate form windows appearing in Qt Designer's workspace
QDesignerFormWindowManagerInterfaceAllows you to manipulate the collection of form windows in Qt Designer, and control Qt Designer's form editing actions
QDesignerMemberSheetExtensionAllows you to manipulate a widget's member functions which is displayed when configuring connections using Qt Designer's mode for editing signals and slots
QDesignerObjectInspectorInterfaceAllows you to change the focus of Qt Designer's object inspector
QDesignerPropertyEditorInterfaceAllows you to query and manipulate the current state of Qt Designer's property editor
QDesignerPropertySheetExtensionAllows you to manipulate a widget's properties which is displayed in Qt Designer's property editor
QDesignerTaskMenuExtensionAllows you to add custom menu entries to Qt Designer's task menu
QDesignerWidgetBoxInterfaceAllows you to control the contents of Qt Designer's widget box
QDesktopWidgetAccess to screen information on multi-head systems
QDialRounded range control (like a speedometer or potentiometer)
QDialogThe base class of dialog windows
QDirAccess to directory structures and their contents
QDirModelData model for the local filesystem
QDirectPainterDirect access to the video hardware
QDockWidgetWidget that can be docked inside a QMainWindow or floated as a top-level window on the desktop
QDomAttrRepresents one attribute of a QDomElement
QDomCDATASectionRepresents an XML CDATA section
QDomCharacterDataRepresents a generic string in the DOM
QDomCommentRepresents an XML comment
QDomDocumentRepresents an XML document
QDomDocumentFragmentTree of QDomNodes which is not usually a complete QDomDocument
QDomDocumentTypeThe representation of the DTD in the document tree
QDomElementRepresents one element in the DOM tree
QDomEntityRepresents an XML entity
QDomEntityReferenceRepresents an XML entity reference
QDomImplementationInformation about the features of the DOM implementation
QDomNamedNodeMapCollection of nodes that can be accessed by name
QDomNodeThe base class for all the nodes in a DOM tree
QDomNodeListList of QDomNode objects
QDomNotationRepresents an XML notation
QDomProcessingInstructionRepresents an XML processing instruction
QDomTextRepresents text data in the parsed XML document
QDoubleSpinBoxSpin box widget that takes doubles
QDoubleValidatorRange checking of floating-point numbers
QDragSupport for MIME-based drag and drop data transfer
QDragEnterEventEvent which is sent to a widget when a drag and drop action enters it
QDragLeaveEventEvent that is sent to a widget when a drag and drop action leaves it
QDragMoveEventEvent which is sent while a drag and drop action is in progress
QDropEventEvent which is sent when a drag and drop action is completed
QErrorMessageError message display dialog
QEventThe base class of all event classes. Event objects contain event parameters
QEventLoopMeans of entering and leaving an event loop
QExtensionFactoryAllows you to create a factory that is able to make instances of custom extensions in Qt Designer
QExtensionManagerExtension management facilities for Qt Designer
QFSFileEngineImplements Qt's default file engine
QFileInterface for reading from and writing to files
QFileDialogDialog that allow users to select files or directories
QFileIconProviderFile icon for the QDirModel class
QFileInfoSystem-independent file information
QFileOpenEventEvent that will be sent when there is a request to open a file
QFlagHelper data type for QFlags
QFlagsType-safe way of storing OR-combinations of enum values
QFocusEventEvent parameters for widget focus events
QFocusFrameFocus frame which can be outside of a widget's normal paintable area
QFontFont used for drawing text
QFontDatabaseInformation about the fonts available in the underlying window system
QFontDialogDialog widget for selecting a font
QFontInfoGeneral information about fonts
QFontMetricsFont metrics information
QFontMetricsFFont metrics information
QFormBuilderUsed to dynamically construct user interfaces from .ui files at run-time
QFrameThe base class of widgets that can have a frame
QFtpImplementation of the FTP protocol
QGLColormapUsed for installing custom colormaps into QGLWidgets
QGLContextEncapsulates an OpenGL rendering context
QGLFormatThe display format of an OpenGL rendering context
QGLPixelBufferEncapsulates an OpenGL pbuffer
QGLWidgetWidget for rendering OpenGL graphics
QGenericArgumentInternal helper class for marshalling arguments
QGenericReturnArgumentInternal helper class for marshalling arguments
QGradientUsed in combination with QBrush to specify gradient fills
QGridLayoutLays out widgets in a grid
QGroupBoxGroup box frame with a title
QHBoxLayoutLines up widgets horizontally
QHashTemplate class that provides a hash-table-based dictionary
QHashIteratorJava-style const iterator for QHash and QMultiHash
QHeaderViewHeader row or header column for item views
QHelpEventEvent that is used to request helpful information about a particular point in a widget
QHideEventEvent which is sent after a widget is hidden
QHostAddressIP address
QHostInfoStatic functions for host name lookups
QHoverEventParameters that describe a mouse event
QHttpImplementation of the HTTP protocol
QHttpHeaderHeader information for HTTP
QHttpRequestHeaderRequest header information for HTTP
QHttpResponseHeaderResponse header information for HTTP
QIODeviceThe base interface class of all I/O devices in Qt
QIconScalable icons in different modes and states
QIconDragEventIndicates that a main icon drag has begun
QIconEngineAbstract base class for QIcon renderers
QIconEnginePluginAbstract base for custom QIconEngine plugins
QImageHardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device
QImageIOHandlerDefines the common image I/O interface for all image formats in Qt
QImageIOPluginDefines an interface for writing an image format plugin
QImageReaderFormat independent interface for reading images from files or other devices
QImageWriterFormat independent interface for writing images to files or other devices
QInputContextAbstracts the input method dependent data and composing state
QInputContextFactoryCreates QInputContext objects
QInputContextPluginAbstract base for custom QInputContext plugins
QInputDialogSimple convenience dialog to get a single value from the user
QInputEventThe base class for events that describe user input
QInputMethodEventParameters for input method events
QIntValidatorValidator that ensures a string contains a valid integer within a specified range
QItemDelegateDisplay and editing facilities for data items from a model
QItemEditorCreatorBaseAbstract base class that must be subclassed when implementing new item editor creators
QItemEditorFactoryWidgets for editing item data in views and delegates
QItemSelectionManages information about selected items in a model
QItemSelectionModelKeeps track of a view's selected items
QItemSelectionRangeManages information about a range of selected items in a model
QKbdDriverFactoryCreates QWSKeyboardHandler objects
QKbdDriverPluginAbstract base class for keyboard driver plugins
QKeyEventDescribes a key event
QKeySequenceEncapsulates a key sequence as used by shortcuts
QLCDNumberDisplays a number with LCD-like digits
QLabelText or image display
QLatin1Char8-bit ASCII/Latin-1 character
QLatin1StringThin wrapper around an ASCII/Latin-1 encoded string literal
QLayoutThe base class of geometry managers
QLayoutItemAbstract item that a QLayout manipulates
QLibraryLoads shared libraries at runtime
QLibraryInfoInformation about the Qt library
QLineTwo-dimensional vector using integer precision
QLineEditOne-line text editor
QLineFTwo-dimensional vector using floating point precision
QLinearGradientUsed in combination with QBrush to specify a linear gradient brush
QLinkedListTemplate class that provides linked lists
QLinkedListIteratorJava-style const iterator for QLinkedList
QLinuxFbScreenImplements a screen driver for the Linux framebuffer
QListTemplate class that provides lists
QListIteratorJava-style const iterator for QList and QQueue
QListViewList or icon view onto a model
QListWidgetItem-based list widget
QListWidgetItemItem for use with the QListWidget item view class
QLocaleConverts between numbers and their string representations in various languages
QMacMimeMaps open-standard MIME to Mac flavors
QMacStyleMac OS X style using the Apple Appearance Manager
QMainWindowMain application window
QMapTemplate class that provides a skip-list-based dictionary
QMapIteratorJava-style const iterator for QMap and QMultiMap
QMatrix2D transformations of a coordinate system
QMenuMenu widget for use in menu bars, context menus, and other popup menus
QMenuBarHorizontal menu bar
QMessageBoxModal dialog with a short message, an icon, and some buttons
QMetaClassInfoAdditional information about a class
QMetaEnumMeta-data about an enumerator
QMetaMethodMeta-data about a member function
QMetaObjectMeta-information about Qt objects
QMetaPropertyMeta-data about a property
QMetaTypeManages named types in the meta-object system
QMimeDataContainer for data that records information about its MIME type
QMimeSourceAbstraction of objects that provided formatted data of a certain MIME type
QModelIndexUsed to locate data in a data model
QMotifStyleMotif look and feel
QMouseDriverFactoryCreates QWSMouseHandler objects
QMouseDriverPluginAbstract base class for mouse driver plugins
QMouseEventParameters that describe a mouse event
QMoveEventEvent parameters for move events
QMovieConvenience class for playing movies with QImageReader
QMultiHashConvenience QHash subclass that provides multi-valued hashes
QMultiMapConvenience QMap subclass that provides multi-valued maps
QMutableHashIteratorJava-style non-const iterator for QHash and QMultiHash
QMutableLinkedListIteratorJava-style non-const iterator for QLinkedList
QMutableListIteratorJava-style non-const iterator for QList and QQueue
QMutableMapIteratorJava-style non-const iterator for QMap and QMultiMap
QMutableVectorIteratorJava-style non-const iterator for QVector and QStack
QMutexAccess serialization between threads
QMutexLockerConvenience class that simplifies locking and unlocking mutexes
QNetworkProxyNetwork layer proxy
QObjectThe base class of all Qt objects
QObjectCleanupHandlerWatches the lifetime of multiple QObjects
QPageSetupDialogConfiguration dialog for the page-related options on a printer
QPaintDeviceThe base class of objects that can be painted
QPaintEngineAbstract definition of how QPainter draws to a given device on a given platform
QPaintEngineStateInformation about the active paint engine's current state
QPaintEventEvent parameters for paint events
QPainterPerforms low-level painting on widgets and other paint devices
QPainterPathContainer for painting operations, enabling graphical shapes to be constructed and reused
QPainterPathStrokerUsed to generate fillable outlines for a given painter path
QPairTemplate class that stores a pair of items
QPaletteColor groups for each widget state
QPenDefines how a QPainter should draw lines and outlines of shapes
QPersistentModelIndexUsed to locate data in a data model
QPicturePaint device that records and replays QPainter commands
QPictureFormatPluginAbstract base for custom picture format plugins
QPictureIOParameters for loading and saving pictures
QPixmapOff-screen image representation that can be used as a paint device
QPixmapCacheApplication-wide cache for pixmaps
QPlastiqueStyleWidget style similar to the Plastik style available in KDE
QPluginLoaderLoads a plugin at run-time
QPointDefines a point in the plane using integer precision
QPointFDefines a point in the plane using floating point precision
QPointerTemplate class that provides guarded pointers to QObjects
QPolygonVector of points using integer precision
QPolygonFVector of points using floating point precision
QPrintDialogDialog for specifying the printer's configuration
QPrintEngineDefines an interface for how QPrinter interacts with a given printing subsystem
QPrinterPaint device that paints on a printer
QProcessUsed to start external programs and to communicate with them
QProgressBarHorizontal or vertical progress bar
QProgressDialogFeedback on the progress of a slow operation
QProxyModelSupport for processing data passed between another model and a view
QPushButtonCommand button
QQueueGeneric container that provides a queue
QRadialGradientUsed in combination with QBrush to specify a radial gradient brush
QRadioButtonRadio button with a text label
QReadLockerConvenience class that simplifies locking and unlocking read-write locks for read access
QReadWriteLockRead-write locking
QRectDefines a rectangle in the plane using integer precision
QRectFDefines a rectangle in the plane using floating point precision
QRegExpPattern matching using regular expressions
QRegExpValidatorUsed to check a string against a regular expression
QRegionClip region for a painter
QResizeEventEvent parameters for resize events
QRubberBandRectangle or line that can indicate a selection or a boundary
QScreenBase class for implementing screen drivers in Qtopia Core
QScreenCursorManages the onscreen mouse cursor
QScreenDriverFactoryCreates QScreen objects
QScreenDriverPluginAbstract base class for graphics driver plugins
QScrollAreaScrolling view onto another widget
QScrollBarVertical or horizontal scroll bar
QSemaphoreGeneral counting semaphore
QSessionManagerAccess to the session manager
QSetTemplate class that provides a hash-table-based set
QSetIteratorJava-style const iterator for QSet
QSettingsPersistent platform-independent application settings
QSharedDataBase class for shared data objects
QSharedDataPointerPointer to a shared data object
QShortcutUsed to create keyboard shortcuts
QShortcutEventEvent which is generated when the user presses a key combination
QShowEventEvent that is sent when a widget is shown
QSignalMapperBundles signals from identifiable senders
QSignalSpyEnables introspection of signal emission
QSizeDefines the size of a two-dimensional object using integer point precision
QSizeFDefines the size of a two-dimensional object using floating point precision
QSizeGripCorner-grip for resizing a top-level window
QSizePolicyLayout attribute describing horizontal and vertical resizing policy
QSliderVertical or horizontal slider
QSocketNotifierSupport for monitoring activity on a file descriptor
QSortFilterProxyModelSupport for sorting and filtering data passed between another model and a view
QSoundAccess to the platform audio facilities
QSpacerItemBlank space in a layout
QSpinBoxSpin box widget
QSplashScreenSplash screen that can be shown during application startup
QSplitterImplements a splitter widget
QSplitterHandleHandle functionality of the splitter
QSqlDatabaseRepresents a connection to a database
QSqlDriverAbstract base class for accessing specific SQL databases
QSqlDriverCreatorTemplate class that provides a SQL driver factory for a specific driver type
QSqlDriverCreatorBaseThe base class for SQL driver factories
QSqlDriverPluginAbstract base for custom QSqlDriver plugins
QSqlErrorSQL database error information
QSqlFieldManipulates the fields in SQL database tables and views
QSqlIndexFunctions to manipulate and describe database indexes
QSqlQueryMeans of executing and manipulating SQL statements
QSqlQueryModelRead-only data model for SQL result sets
QSqlRecordEncapsulates a database record
QSqlRelationStores information about an SQL foreign key
QSqlRelationalDelegateDelegate that is used to display and edit data from a QSqlRelationalTableModel
QSqlRelationalTableModelEditable data model for a single database table, with foreign key support
QSqlResultAbstract interface for accessing data from specific SQL databases
QSqlTableModelEditable data model for a single database table
QStackTemplate class that provides a stack
QStackedLayoutStack of widgets where only one widget is visible at a time
QStackedWidgetStack of widgets where only one widget is visible at a time
QStandardItemModelGeneric model for storing custom data
QStatusBarHorizontal bar suitable for presenting status information
QStatusTipEventEvent that is used to show messages in a status bar
QStringUnicode character string
QStringListList of strings
QStringListModelModel that supplies strings to views
QStringMatcherHolds a sequence of characters that can be quickly matched in a Unicode string
QStyleAbstract base class that encapsulates the look and feel of a GUI
QStyleFactoryCreates QStyle objects
QStyleHintReturnStyle hints that return more than basic data types
QStyleHintReturnMaskStyle hints that return a QRegion
QStyleOptionStores the parameters used by QStyle functions
QStyleOptionButtonUsed to describe the parameters for drawing buttons
QStyleOptionComboBoxUsed to describe the parameter for drawing a combobox
QStyleOptionComplexUsed to hold parameters that are common to all complex controls
QStyleOptionDockWidgetUsed to describe the parameters for drawing a dock window
QStyleOptionFocusRectUsed to describe the parameters for drawing a focus rectangle with QStyle
QStyleOptionFrameUsed to describe the parameters for drawing a frame
QStyleOptionFrameV2Used to describe the parameters necessary for drawing a frame in Qt 4.1 or above
QStyleOptionGroupBoxDescribes the parameters for drawing a group box
QStyleOptionHeaderUsed to describe the parameters for drawing a header
QStyleOptionMenuItemUsed to describe the parameter necessary for drawing a menu item
QStyleOptionProgressBarUsed to describe the parameters necessary for drawing a progress bar
QStyleOptionProgressBarV2Used to describe the parameters necessary for drawing a progress bar in Qt 4.1 or above
QStyleOptionQ3DockWindowUsed to describe the parameters for drawing various parts of a
QStyleOptionQ3ListViewUsed to describe the parameters for drawing a Q3ListView
QStyleOptionQ3ListViewItemUsed to describe an item drawn in a Q3ListView
QStyleOptionRubberBandUsed to describe the parameters needed for drawing a rubber band
QStyleOptionSliderUsed to describe the parameters needed for drawing a slider
QStyleOptionSpinBoxUsed to describe the parameters necessary for drawing a spin box
QStyleOptionTabUsed to describe the parameters for drawing a tab bar
QStyleOptionTabBarBaseUsed to describe the the base of a tabbar. That is the part that the tabbar usually overlaps with
QStyleOptionTabV2Used to describe the parameters necessary for drawing a tabs in Qt 4.1 or above
QStyleOptionTabWidgetFrameUsed to describe the parameters for drawing the frame around a tab widget
QStyleOptionTitleBarUsed to describe the parameters for drawing a title bar
QStyleOptionToolBarUsed to describe the parameters for drawing a toolbar
QStyleOptionToolBoxUsed to describe the parameters needed for drawing a tool box
QStyleOptionToolButtonUsed to describe the parameters for drawing a tool button
QStyleOptionViewItemUsed to describe the parameters used to draw an item in a view widget
QStylePainterConvenience class for drawing QStyle elements inside a widget
QStylePluginAbstract base for custom QStyle plugins
QSvgRendererUsed to draw the contents of SVG files onto paint devices
QSvgWidgetWidget that is used to display the contents of Scalable Vector Graphics (SVG) files
QSyntaxHighlighterAllows you to define syntax highlighting rules, and in addition you can use the class to query a document's current formatting or user data
QSysInfoInformation about the system
QTabBarTab bar, e.g. for use in tabbed dialogs
QTabWidgetStack of tabbed widgets
QTableViewDefault model/view implementation of a table view
QTableWidgetItem-based table view with a default model
QTableWidgetItemItem for use with the QTableWidget class
QTableWidgetSelectionRangeContainer for storing a selection range in a QTableWidget
QTabletEventParameters that describe a Tablet event
QTcpServerTCP-based server
QTcpSocketTCP socket
QTemporaryFileI/O device that operates on temporary files
QTestEventListList of GUI events
QTextBlockContainer for text fragments in a QTextDocument
QTextBlockFormatFormatting information for blocks of text in a QTextDocument
QTextBlockGroupContainer for text blocks within a QTextDocument
QTextBlockUserDataUsed to associate custom data with blocks of text
QTextBrowserRich text browser with hypertext navigation
QTextCharFormatFormatting information for characters in a QTextDocument
QTextCodecConversions between text encodings
QTextCodecPluginAbstract base for custom QTextCodec plugins
QTextCursorOffers an API to access and modify QTextDocuments
QTextDecoderState-based decoder
QTextDocumentHolds formatted text that can be viewed and edited using a QTextEdit
QTextDocumentFragmentRepresents a piece of formatted text from a QTextDocument
QTextEditWidget that is used to edit and display both plain and rich text
QTextEncoderState-based encoder
QTextFormatFormatting information for a QTextDocument
QTextFragmentHolds a piece of text in a QTextDocument with a single QTextCharFormat
QTextFrameRepresents a frame in a QTextDocument
QTextFrameFormatFormatting information for frames in a QTextDocument
QTextImageFormatFormatting information for images in a QTextDocument
QTextInlineObjectRepresents an inline object in a QTextLayout
QTextLayoutUsed to lay out and paint a single paragraph of text
QTextLengthEncapsulates the different types of length used in a QTextDocument
QTextLineRepresents a line of text inside a QTextLayout
QTextListDecorated list of items in a QTextDocument
QTextListFormatFormatting information for lists in a QTextDocument
QTextObjectBase class for different kinds of objects that can group parts of a QTextDocument together
QTextOptionDescription of general rich text properties
QTextStreamConvenient interface for reading and writing text
QTextTableRepresents a table in a QTextDocument
QTextTableCellRepresents the properties of a cell in a QTextTable
QTextTableFormatFormatting information for tables in a QTextDocument
QThreadPlatform-independent threads
QThreadStoragePer-thread data storage
QTimeClock time functions
QTimeEditWidget for editing times based on the QDateTimeEdit widget
QTimerRepetitive and single-shot timers
QTimerEventParameters that describe a timer event
QToolBarMovable panel that contains a set of controls
QToolBoxColumn of tabbed widget items
QToolButtonQuick-access button to commands or options, usually used inside a QToolBar
QToolTipTool tips (balloon help) for any widget
QTransformedScreenImplements a screen driver for a transformed screen
QTranslatorInternationalization support for text output
QTreeViewDefault model/view implementation of a tree view
QTreeWidgetTree view that uses a predefined tree model
QTreeWidgetItemItem for use with the QTreeWidget convenience class
QTreeWidgetItemIteratorWay to iterate over the items in a QTreeWidget instance
QUdpSocketUDP socket
QUiLoaderAllows standalone applications dynamically create user interfaces at run-time using the information stored in .ui files or specified plugin paths
QUrlConvenient interface for working with URLs
QUrlInfoStores information about URLs
QUuidStores a Universally Unique Identifier (UUID)
QVBoxLayoutLines up widgets vertically
QVFbScreenImplements a screen driver for the virtual framebuffer
QVNCScreenImplements a screen driver for VNC servers
QValidatorValidation of input text
QVarLengthArrayLow-level variable-length array
QVariantActs like a union for the most common Qt data types
QVectorTemplate class that provides a dynamic array
QVectorIteratorJava-style const iterator for QVector and QStack
QWSCalibratedMouseHandlerImplements a mouse driver providing calibration and noise reduction
QWSClientEncapsulates a client process in Qtopia Core
QWSEventEncapsulates an event in Qtopia Core
QWSInputMethodInternational input methods in Qtopia Core
QWSKeyboardHandlerImplements a keyboard driver in Qtopia Core
QWSMouseHandlerImplements a mouse driver in Qtopia Core
QWSPointerCalibrationDataContainer for data used in calibration of a mouse handler
QWSScreenSaverImplements a screensaver in Qtopia Core
QWSServerServer-specific functionality in Qtopia Core
QWSTslibMouseHandlerImplements a mouse driver for the Universal Touch Screen Library, tslib
QWSWindowEncapsulates a top-level window in Qtopia Core
QWaitConditionCondition variable for synchronizing threads
QWhatsThisSimple description of any widget, i.e. answering the question "What's This?"
QWhatsThisClickedEventEvent that can be used to handle hyperlinks in a "What's This?" text
QWheelEventParameters that describe a wheel event
QWidgetThe base class of all user interface objects
QWidgetItemLayout item that represents a widget
QWindowStateChangeEventThe window state before a window state change
QWindowsMimeMaps open-standard MIME to Window Clipboard formats
QWindowsStyleMicrosoft Windows-like look and feel
QWindowsXPStyleMicrosoft WindowsXP-like look and feel
QWorkspaceWorkspace window that can be used in an MDI application
QWriteLockerConvenience class that simplifies locking and unlocking read-write locks for write access
QX11EmbedContainerXEmbed container widget
QX11EmbedWidgetXEmbed client widget
QX11InfoInformation about the X display configuration
QXmlAttributesXML attributes
QXmlContentHandlerInterface to report the logical content of XML data
QXmlDTDHandlerInterface to report DTD content of XML data
QXmlDeclHandlerInterface to report declaration content of XML data
QXmlDefaultHandlerDefault implementation of all the XML handler classes
QXmlEntityResolverInterface to resolve external entities contained in XML data
QXmlErrorHandlerInterface to report errors in XML data
QXmlInputSourceThe input data for the QXmlReader subclasses
QXmlLexicalHandlerInterface to report the lexical content of XML data
QXmlLocatorThe XML handler classes with information about the parsing position within a file
QXmlNamespaceSupportHelper class for XML readers which want to include namespace support
QXmlParseExceptionUsed to report errors with the QXmlErrorHandler interface
QXmlReaderInterface for XML readers (i.e. parsers)
QXmlSimpleReaderImplementation of a simple XML parser

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Qt 4.1.3