Class List

Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

QGL
Global
QSql
Global
QSsl
Global
QtCore
QAbstractAnimation	The QAbstractAnimation class is the base of all animations.
QAbstractEventDispatcher	The QAbstractEventDispatcher class provides an interface to manage Qt's event queue.
QAbstractFileEngine	The QAbstractFileEngine class provides an abstraction for accessing the filesystem.
ExtensionOption
ExtensionReturn
MapExtensionOption
MapExtensionReturn
UnMapExtensionOption
QAbstractFileEngineHandler	The QAbstractFileEngineHandler class provides a way to register custom file engines with your application.
QAbstractFileEngineIterator	The QAbstractFileEngineIterator class provides an iterator interface for custom file engines.
QAbstractItemModel	The QAbstractItemModel class provides the abstract interface for item model classes.
QAbstractListModel	The QAbstractListModel class provides an abstract model that can be subclassed to create one-dimensional list models.
QAbstractState	The QAbstractState class is the base class of states of a QStateMachine.
QAbstractTableModel	The QAbstractTableModel class provides an abstract model that can be subclassed to create table models.
QAbstractTransition	The QAbstractTransition class is the base class of transitions between QAbstractState objects.
QAnimationGroup	The QAnimationGroup class is an abstract base class for groups of animations.
QAtomicInt	The QAtomicInt class provides platform-independent atomic operations on integers.
QBasicAtomicInt
QBasicTimer	The QBasicTimer class provides timer events for objects.
QBitArray	The QBitArray class provides an array of bits.
QBitRef
QBool
QBuffer	The QBuffer class provides a QIODevice interface for a QByteArray.
QByteArray	The QByteArray class provides an array of bytes.
QByteArrayMatcher	The QByteArrayMatcher class holds a sequence of bytes that can be quickly matched in a byte array.
QByteRef
QChar	The QChar class provides a 16-bit Unicode character.
QCharRef
QChildEvent	The QChildEvent class contains event parameters for child object events.
QCoreApplication	The QCoreApplication class provides an event loop for console Qt applications.
QCryptographicHash	The QCryptographicHash class provides a way to generate cryptographic hashes.
QDataStream	The QDataStream class provides serialization of binary data to a QIODevice.
QDate	The QDate class provides date functions.
QDateTime	The QDateTime class provides date and time functions.
QDebug	The QDebug class provides an output stream for debugging information.
QDir	The QDir class provides access to directory structures and their contents.
QDirIterator	The QDirIterator class provides an iterator for directory entrylists.
QDynamicPropertyChangeEvent	The QDynamicPropertyChangeEvent class contains event parameters for dynamic property change events.
QEasingCurve	The QEasingCurve class provides easing curves for controlling animation.
QElapsedTimer	The QElapsedTimer class provides a fast way to calculate elapsed times.
QEvent	The QEvent class is the base class of all event classes. Event objects contain event parameters.
QEventLoop	The QEventLoop class provides a means of entering and leaving an event loop.
QEventTransition	The QEventTransition class provides a QObject-specific transition for Qt events.
QFSFileEngine	The QFSFileEngine class implements Qt's default file engine.
QFactoryInterface
QFile	The QFile class provides an interface for reading from and writing to files.
QFileInfo	The QFileInfo class provides system-independent file information.
QFileSystemWatcher	The QFileSystemWatcher class provides an interface for monitoring files and directories for modifications.
QFinalState	The QFinalState class provides a final state.
QFlag	The QFlag class is a helper data type for QFlags.
QFutureInterfaceBase
QFutureWatcherBase
QGenericArgument	The QGenericArgument class is an internal helper class for marshalling arguments.
QGenericReturnArgument	The QGenericReturnArgument class is an internal helper class for marshalling arguments.
Qt	The Qt namespace contains miscellaneous identifiers used throughout the Qt library.
QHistoryState	The QHistoryState class provides a means of returning to a previously active substate.
QIODevice	The QIODevice class is the base interface class of all I/O devices in Qt.
QIncompatibleFlag
QInternal
QLatin1Char	The QLatin1Char class provides an 8-bit ASCII/Latin-1 character.
QLatin1String	The QLatin1String class provides a thin wrapper around an US-ASCII/Latin-1 encoded string literal.
QLibrary	The QLibrary class loads shared libraries at runtime.
QLibraryInfo	The QLibraryInfo class provides information about the Qt library.
QLine	The QLine class provides a two-dimensional vector using integer precision.
QLineF	The QLineF class provides a two-dimensional vector using floating point precision.
QLocale	The QLocale class converts between numbers and their string representations in various languages.
QMargins	The QMargins class defines the four margins of a rectangle.
QMetaClassInfo	The QMetaClassInfo class provides additional information about a class.
QMetaEnum	The QMetaEnum class provides meta-data about an enumerator.
QMetaMethod	The QMetaMethod class provides meta-data about a member function.
QMetaObject	The QMetaObject class contains meta-information about Qt objects.
QMetaProperty	The QMetaProperty class provides meta-data about a property.
QMetaType	The QMetaType class manages named types in the meta-object system.
QMimeData	The QMimeData class provides a container for data that records information about its MIME type.
QModelIndex	The QModelIndex class is used to locate data in a data model.
QNoDebug
QObject	The QObject class is the base class of all Qt objects.
QObjectCleanupHandler	The QObjectCleanupHandler class watches the lifetime of multiple QObjects.
QObjectUserData
QParallelAnimationGroup	The QParallelAnimationGroup class provides a parallel group of animations.
QPauseAnimation	The QPauseAnimation class provides a pause for QSequentialAnimationGroup.
QPersistentModelIndex	The QPersistentModelIndex class is used to locate data in a data model.
QPluginLoader	The QPluginLoader class loads a plugin at run-time.
QPoint	The QPoint class defines a point in the plane using integer precision.
QPointF	The QPointF class defines a point in the plane using floating point precision.
QProcess	The QProcess class is used to start external programs and to communicate with them.
QProcessEnvironment	The QProcessEnvironment class holds the environment variables that can be passed to a program.
QPropertyAnimation	The QPropertyAnimation class animates Qt properties
QReadLocker	The QReadLocker class is a convenience class that simplifies locking and unlocking read-write locks for read access.
QReadWriteLock	The QReadWriteLock class provides read-write locking.
QRect	The QRect class defines a rectangle in the plane using integer precision.
QRectF	The QRectF class defines a rectangle in the plane using floating point precision.
QRegExp	The QRegExp class provides pattern matching using regular expressions.
QResource	The QResource class provides an interface for reading directly from resources.
QRunnable	The QRunnable class is the base class for all runnable objects.
QSemaphore	The QSemaphore class provides a general counting semaphore.
QSequentialAnimationGroup	The QSequentialAnimationGroup class provides a sequential group of animations.
QSettings	The QSettings class provides persistent platform-independent application settings.
QSharedData	The QSharedData class is a base class for shared data objects.
QSharedMemory	The QSharedMemory class provides access to a shared memory segment.
QSignalMapper	The QSignalMapper class bundles signals from identifiable senders.
QSignalTransition	The QSignalTransition class provides a transition based on a Qt signal.
QSize	The QSize class defines the size of a two-dimensional object using integer point precision.
QSizeF	The QSizeF class defines the size of a two-dimensional object using floating point precision.
QSocketNotifier	The QSocketNotifier class provides support for monitoring activity on a file descriptor.
QState	The QState class provides a general-purpose state for QStateMachine.
QStateMachine	The QStateMachine class provides a hierarchical finite state machine.
QStringMatcher	The QStringMatcher class holds a sequence of characters that can be quickly matched in a Unicode string.
QStringRef	The QStringRef class provides a thin wrapper around QString substrings.
QSysInfo	The QSysInfo class provides information about the system.
QSystemLocale	The QSystemLocale class can be used to finetune the system locale of the user.
QSystemSemaphore	The QSystemSemaphore class provides a general counting system semaphore.
QTemporaryFile	The QTemporaryFile class is an I/O device that operates on temporary files.
QTextBoundaryFinder	The QTextBoundaryFinder class provides a way of finding Unicode text boundaries in a string.
QTextCodec	The QTextCodec class provides conversions between text encodings.
ConverterState
QTextCodecFactoryInterface
QTextCodecPlugin	The QTextCodecPlugin class provides an abstract base for custom QTextCodec plugins.
QTextDecoder	The QTextDecoder class provides a state-based decoder.
QTextEncoder	The QTextEncoder class provides a state-based encoder.
QTextStream	The QTextStream class provides a convenient interface for reading and writing text.
QTime	The QTime class provides clock time functions.
QTimeLine	The QTimeLine class provides a timeline for controlling animations.
QTimer	The QTimer class provides repetitive and single-shot timers.
QTimerEvent	The QTimerEvent class contains parameters that describe a timer event.
QTranslator	The QTranslator class provides internationalization support for text output.
QUrl	The QUrl class provides a convenient interface for working with URLs.
QUuid	The QUuid class stores a Universally Unique Identifier (UUID).
QVariant	The QVariant class acts like a union for the most common Qt data types.
QVariantAnimation	The QVariantAnimation class provides an abstract base class for animations.
QVariantComparisonHelper
QWriteLocker	The QWriteLocker class is a convenience class that simplifies locking and unlocking read-write locks for write access.
QXmlStreamAttribute	The QXmlStreamAttribute class represents a single XML attribute
QXmlStreamAttributes	The QXmlStreamAttributes class represents a vector of QXmlStreamAttribute.
QXmlStreamEntityDeclaration	The QXmlStreamEntityDeclaration class represents a DTD entity declaration.
QXmlStreamEntityResolver	The QXmlStreamEntityResolver class provides an entity resolver for a QXmlStreamReader.
QXmlStreamNamespaceDeclaration	The QXmlStreamNamespaceDeclaration class represents a namespace declaration.
QXmlStreamNotationDeclaration	The QXmlStreamNotationDeclaration class represents a DTD notation declaration.
QXmlStreamReader	The QXmlStreamReader class provides a fast parser for reading well-formed XML via a simple streaming API.
QXmlStreamStringRef
QXmlStreamWriter	The QXmlStreamWriter class provides an XML writer with a simple streaming API.
IQSharedData	The QSharedData class is a base class for shared data objects.
IQTextCodecFactoryInterface
IQFactoryInterface
IQAbstractAnimationSignals
IQAbstractEventDispatcherSignals
IQAbstractItemModelSignals
IQAbstractListModelSignals
IQAbstractStateSignals
IQAbstractTableModelSignals
IQAbstractTransitionSignals
IQAnimationGroupSignals
IQBufferSignals
IQCoreApplicationSignals
IQEventLoopSignals
IQEventTransitionSignals
IQFileSignals
IQFileSystemWatcherSignals
IQFinalStateSignals
IQFutureWatcherBaseSignals
IQHistoryStateSignals
IQIODeviceSignals
IQLibrarySignals
IQMimeDataSignals
IQObjectSignals
IQObjectCleanupHandlerSignals
IQParallelAnimationGroupSignals
IQPauseAnimationSignals
IQPluginLoaderSignals
IQProcessSignals
IQPropertyAnimationSignals
IQSequentialAnimationGroupSignals
IQSettingsSignals
IQSharedMemorySignals
IQSignalMapperSignals
IQSignalTransitionSignals
IQSocketNotifierSignals
IQStateSignals
IQStateMachineSignals
IQTemporaryFileSignals
IQTextCodecPluginSignals
IQTimeLineSignals
IQTimerSignals
IQTranslatorSignals
IQVariantAnimationSignals
QtGui
QAbstractButton	The QAbstractButton class is the abstract base class of button widgets, providing functionality common to buttons.
QAbstractGraphicsShapeItem	The QAbstractGraphicsShapeItem class provides a common base for all path items.
QAbstractItemDelegate	The QAbstractItemDelegate class is used to display and edit data items from a model.
QAbstractItemView	The QAbstractItemView class provides the basic functionality for item view classes.
QAbstractPageSetupDialog
QAbstractPrintDialog	The QAbstractPrintDialog class provides a base implementation for print dialogs used to configure printers.
QAbstractProxyModel	The QAbstractProxyModel class provides a base class for proxy item models that can do sorting, filtering or other data processing tasks.
QAbstractScrollArea	The QAbstractScrollArea widget provides a scrolling area with on-demand scroll bars.
QAbstractSlider	The QAbstractSlider class provides an integer value within a range.
QAbstractSpinBox	The QAbstractSpinBox class provides a spinbox and a line edit to display values.
QAbstractTextDocumentLayout	The QAbstractTextDocumentLayout class is an abstract base class used to implement custom layouts for QTextDocuments.
PaintContext	The QAbstractTextDocumentLayout::PaintContext class is a convenience class defining the parameters used when painting a document's layout.
Selection	The QAbstractTextDocumentLayout::Selection class is a convenience class defining the parameters of a selection.
QAbstractUndoItem
QAction	The QAction class provides an abstract user interface action that can be inserted into widgets.
QActionEvent	The QActionEvent class provides an event that is generated when a QAction is added, removed, or changed.
QActionGroup	The QActionGroup class groups actions together.
QApplication	The QApplication class manages the GUI application's control flow and main settings.
QBitmap	The QBitmap class provides monochrome (1-bit depth) pixmaps.
QBoxLayout	The QBoxLayout class lines up child widgets horizontally or vertically.
QBrush	The QBrush class defines the fill pattern of shapes drawn by QPainter.
QButtonGroup	The QButtonGroup class provides a container to organize groups of button widgets.
QCalendarWidget	The QCalendarWidget class provides a monthly based calendar widget allowing the user to select a date.
QCheckBox	The QCheckBox widget provides a checkbox with a text label.
QClipboard	The QClipboard class provides access to the window system clipboard.
QClipboardEvent
QCloseEvent	The QCloseEvent class contains parameters that describe a close event.
QColor	The QColor class provides colors based on RGB, HSV or CMYK values.
QColorDialog	The QColorDialog class provides a dialog widget for specifying colors.
QColormap	The QColormap class maps device independent QColors to device dependent pixel values.
QColumnView	The QColumnView class provides a model/view implementation of a column view.
QComboBox	The QComboBox widget is a combined button and popup list.
QCommandLinkButton	The QCommandLinkButton widget provides a Vista style command link button.
QCommonStyle	The QCommonStyle class encapsulates the common Look and Feel of a GUI.
QCompleter	The QCompleter class provides completions based on an item model.
QConicalGradient	The QConicalGradient class is used in combination with QBrush to specify a conical gradient brush.
QContextMenuEvent	The QContextMenuEvent class contains parameters that describe a context menu event.
QCursor	The QCursor class provides a mouse cursor with an arbitrary shape.
QDataWidgetMapper	The QDataWidgetMapper class provides mapping between a section of a data model to widgets.
QDateEdit	The QDateEdit class provides a widget for editing dates based on the QDateTimeEdit widget.
QDateTimeEdit	The QDateTimeEdit class provides a widget for editing dates and times.
QDesktopServices	The QDesktopServices class provides methods for accessing common desktop services.
QDesktopWidget	The QDesktopWidget class provides access to screen information on multi-head systems.
QDial	The QDial class provides a rounded range control (like a speedometer or potentiometer).
QDialog	The QDialog class is the base class of dialog windows.
QDialogButtonBox	The QDialogButtonBox class is a widget that presents buttons in a layout that is appropriate to the current widget style.
QDirModel	The QDirModel class provides a data model for the local filesystem.
QDockWidget	The QDockWidget class provides a widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop.
QDoubleSpinBox	The QDoubleSpinBox class provides a spin box widget that takes doubles.
QDoubleValidator	The QDoubleValidator class provides range checking of floating-point numbers.
QDrag	The QDrag class provides support for MIME-based drag and drop data transfer.
QDragEnterEvent	The QDragEnterEvent class provides an event which is sent to a widget when a drag and drop action enters it.
QDragLeaveEvent	The QDragLeaveEvent class provides an event that is sent to a widget when a drag and drop action leaves it.
QDragMoveEvent	The QDragMoveEvent class provides an event which is sent while a drag and drop action is in progress.
QDragResponseEvent
QDropEvent	The QDropEvent class provides an event which is sent when a drag and drop action is completed.
QErrorMessage	The QErrorMessage class provides an error message display dialog.
QFileDialog	The QFileDialog class provides a dialog that allow users to select files or directories.
QFileIconProvider	The QFileIconProvider class provides file icons for the QDirModel(obsolete) and the QFileSystemModel classes.
QFileOpenEvent	The QFileOpenEvent class provides an event that will be sent when there is a request to open a file or a URL.
QFileSystemModel	The QFileSystemModel class provides a data model for the local filesystem.
QFocusEvent	The QFocusEvent class contains event parameters for widget focus events.
QFocusFrame	The QFocusFrame widget provides a focus frame which can be outside of a widget's normal paintable area.
QFont	The QFont class specifies a font used for drawing text.
QFontComboBox	The QFontComboBox widget is a combobox that lets the user select a font family.
QFontDatabase	The QFontDatabase class provides information about the fonts available in the underlying window system.
QFontDialog	The QFontDialog class provides a dialog widget for selecting a font.
QFontInfo	The QFontInfo class provides general information about fonts.
QFontMetrics	The QFontMetrics class provides font metrics information.
QFontMetricsF	The QFontMetricsF class provides font metrics information.
QFormLayout	The QFormLayout class manages forms of input widgets and their associated labels.
QFrame	The QFrame class is the base class of widgets that can have a frame.
QGesture	The QGesture class represents a gesture, containing properties that describe the corresponding user input.
QGestureEvent	The QGestureEvent class provides the description of triggered gestures.
QGestureRecognizer	The QGestureRecognizer class provides the infrastructure for gesture recognition.
Global
QGlyphRun	The QGlyphRun class provides direct access to the internal glyphs in a font.
QGradient	The QGradient class is used in combination with QBrush to specify gradient fills.
QGraphicsAnchor	The QGraphicsAnchor class represents an anchor between two items in a QGraphicsAnchorLayout.
QGraphicsAnchorLayout	The QGraphicsAnchorLayout class provides a layout where one can anchor widgets together in Graphics View.
QGraphicsBlurEffect	The QGraphicsBlurEffect class provides a blur effect.
QGraphicsColorizeEffect	The QGraphicsColorizeEffect class provides a colorize effect.
QGraphicsDropShadowEffect	The QGraphicsDropShadowEffect class provides a drop shadow effect.
QGraphicsEffect	The QGraphicsEffect class is the base class for all graphics effects.
QGraphicsEllipseItem	The QGraphicsEllipseItem class provides an ellipse item that you can add to a QGraphicsScene.
QGraphicsGridLayout	The QGraphicsGridLayout class provides a grid layout for managing widgets in Graphics View.
QGraphicsItem	The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene.
QGraphicsItemAnimation	The QGraphicsItemAnimation class provides simple animation support for QGraphicsItem.
QGraphicsItemGroup	The QGraphicsItemGroup class provides a container that treats a group of items as a single item.
QGraphicsLayout	The QGraphicsLayout class provides the base class for all layouts in Graphics View.
QGraphicsLayoutItem	The QGraphicsLayoutItem class can be inherited to allow your custom items to be managed by layouts.
QGraphicsLineItem	The QGraphicsLineItem class provides a line item that you can add to a QGraphicsScene.
QGraphicsLinearLayout	The QGraphicsLinearLayout class provides a horizontal or vertical layout for managing widgets in Graphics View.
QGraphicsObject	The QGraphicsObject class provides a base class for all graphics items that require signals, slots and properties.
QGraphicsOpacityEffect	The QGraphicsOpacityEffect class provides an opacity effect.
QGraphicsPathItem	The QGraphicsPathItem class provides a path item that you can add to a QGraphicsScene.
QGraphicsPixmapItem	The QGraphicsPixmapItem class provides a pixmap item that you can add to a QGraphicsScene.
QGraphicsPolygonItem	The QGraphicsPolygonItem class provides a polygon item that you can add to a QGraphicsScene.
QGraphicsProxyWidget	The QGraphicsProxyWidget class provides a proxy layer for embedding a QWidget in a QGraphicsScene.
QGraphicsRectItem	The QGraphicsRectItem class provides a rectangle item that you can add to a QGraphicsScene.
QGraphicsRotation	The QGraphicsRotation class provides a rotation transformation around a given axis.
QGraphicsScale	The QGraphicsScale class provides a scale transformation.
QGraphicsScene	The QGraphicsScene class provides a surface for managing a large number of 2D graphical items.
QGraphicsSceneContextMenuEvent	The QGraphicsSceneContextMenuEvent class provides context menu events in the graphics view framework.
QGraphicsSceneDragDropEvent	The QGraphicsSceneDragDropEvent class provides events for drag and drop in the graphics view framework.
QGraphicsSceneEvent	The QGraphicsSceneEvent class provides a base class for all graphics view related events.
QGraphicsSceneHelpEvent	The QGraphicsSceneHelpEvent class provides events when a tooltip is requested.
QGraphicsSceneHoverEvent	The QGraphicsSceneHoverEvent class provides hover events in the graphics view framework.
QGraphicsSceneMouseEvent	The QGraphicsSceneMouseEvent class provides mouse events in the graphics view framework.
QGraphicsSceneMoveEvent	The QGraphicsSceneMoveEvent class provides events for widget moving in the graphics view framework.
QGraphicsSceneResizeEvent	The QGraphicsSceneResizeEvent class provides events for widget resizing in the graphics view framework.
QGraphicsSceneWheelEvent	The QGraphicsSceneWheelEvent class provides wheel events in the graphics view framework.
QGraphicsSimpleTextItem	The QGraphicsSimpleTextItem class provides a simple text path item that you can add to a QGraphicsScene.
QGraphicsTextItem	The QGraphicsTextItem class provides a text item that you can add to a QGraphicsScene to display formatted text.
QGraphicsTransform	The QGraphicsTransform class is an abstract base class for building advanced transformations on QGraphicsItems.
QGraphicsView	The QGraphicsView class provides a widget for displaying the contents of a QGraphicsScene.
QGraphicsWidget	The QGraphicsWidget class is the base class for all widget items in a QGraphicsScene.
QGridLayout	The QGridLayout class lays out widgets in a grid.
QGroupBox	The QGroupBox widget provides a group box frame with a title.
QHBoxLayout	The QHBoxLayout class lines up widgets horizontally.
QHeaderView	The QHeaderView class provides a header row or header column for item views.
QHelpEvent	The QHelpEvent class provides an event that is used to request helpful information about a particular point in a widget.
QHideEvent	The QHideEvent class provides an event which is sent after a widget is hidden.
QHoverEvent	The QHoverEvent class contains parameters that describe a mouse event.
QIcon	The QIcon class provides scalable icons in different modes and states.
QIconDragEvent	The QIconDragEvent class indicates that a main icon drag has begun.
QIconEngine	The QIconEngine class provides an abstract base class for QIcon renderers.
QIconEngineFactoryInterface
QIconEngineFactoryInterfaceV2
QIconEnginePlugin	The QIconEnginePlugin class provides an abstract base for custom QIconEngine plugins.
QIconEnginePluginV2	The QIconEnginePluginV2 class provides an abstract base for custom QIconEngineV2 plugins.
QIconEngineV2	The QIconEngineV2 class provides an abstract base class for QIcon renderers.
AvailableSizesArgument
QImage	The QImage class provides a hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device.
QImageIOHandler	The QImageIOHandler class defines the common image I/O interface for all image formats in Qt.
QImageIOHandlerFactoryInterface
QImageIOPlugin	The QImageIOPlugin class defines an interface for writing an image format plugin.
QImageReader	The QImageReader class provides a format independent interface for reading images from files or other devices.
QImageTextKeyLang
QImageWriter	The QImageWriter class provides a format independent interface for writing images to files or other devices.
QInputContext	The QInputContext class abstracts the input method dependent data and composing state.
QInputContextFactory	The QInputContextFactory class creates QInputContext objects.
QInputContextFactoryInterface
QInputContextPlugin	The QInputContextPlugin class provides an abstract base for custom QInputContext plugins.
QInputDialog	The QInputDialog class provides a simple convenience dialog to get a single value from the user.
QInputEvent	The QInputEvent class is the base class for events that describe user input.
QInputMethodEvent	The QInputMethodEvent class provides parameters for input method events.
Attribute	The QInputMethodEvent::Attribute class stores an input method attribute.
QIntValidator	The QIntValidator class provides a validator that ensures a string contains a valid integer within a specified range.
QItemDelegate	The QItemDelegate class provides display and editing facilities for data items from a model.
QItemEditorCreatorBase	The QItemEditorCreatorBase class provides an abstract base class that must be subclassed when implementing new item editor creators.
QItemEditorFactory	The QItemEditorFactory class provides widgets for editing item data in views and delegates.
QItemSelection	The QItemSelection class manages information about selected items in a model.
QItemSelectionModel	The QItemSelectionModel class keeps track of a view's selected items.
QItemSelectionRange	The QItemSelectionRange class manages information about a range of selected items in a model.
QKeyEvent	The QKeyEvent class describes a key event.
QKeyEventTransition	The QKeyEventTransition class provides a transition for key events.
QKeySequence	The QKeySequence class encapsulates a key sequence as used by shortcuts.
QLCDNumber	The QLCDNumber widget displays a number with LCD-like digits.
QLabel	The QLabel widget provides a text or image display.
QLayout	The QLayout class is the base class of geometry managers.
QLayoutItem	The QLayoutItem class provides an abstract item that a QLayout manipulates.
QLineEdit	The QLineEdit widget is a one-line text editor.
QLinearGradient	The QLinearGradient class is used in combination with QBrush to specify a linear gradient brush.
QListView	The QListView class provides a list or icon view onto a model.
QListWidget	The QListWidget class provides an item-based list widget.
QListWidgetItem	The QListWidgetItem class provides an item for use with the QListWidget item view class.
QMainWindow	The QMainWindow class provides a main application window.
QMatrix	The QMatrix class specifies 2D transformations of a coordinate system.
QMatrix4x4	The QMatrix4x4 class represents a 4x4 transformation matrix in 3D space.
QMdiArea	The QMdiArea widget provides an area in which MDI windows are displayed.
QMdiSubWindow	The QMdiSubWindow class provides a subwindow class for QMdiArea.
QMenu	The QMenu class provides a menu widget for use in menu bars, context menus, and other popup menus.
QMenuBar	The QMenuBar class provides a horizontal menu bar.
QMessageBox	The QMessageBox class provides a modal dialog for informing the user or for asking the user a question and receiving an answer.
QMimeSource	The QMimeSource class is an abstraction of objects that provided formatted data of a certain MIME type.
QMouseEvent	The QMouseEvent class contains parameters that describe a mouse event.
QMouseEventTransition	The QMouseEventTransition class provides a transition for mouse events.
QMoveEvent	The QMoveEvent class contains event parameters for move events.
QMovie	The QMovie class is a convenience class for playing movies with QImageReader.
QPageSetupDialog	The QPageSetupDialog class provides a configuration dialog for the page-related options on a printer.
QPaintDevice	The QPaintDevice class is the base class of objects that can be painted.
QPaintEngine	The QPaintEngine class provides an abstract definition of how QPainter draws to a given device on a given platform.
QPaintEngineState	The QPaintEngineState class provides information about the active paint engine's current state.
QPaintEvent	The QPaintEvent class contains event parameters for paint events.
QPainter	The QPainter class performs low-level painting on widgets and other paint devices.
PixmapFragment	This class is used in conjunction with the QPainter::drawPixmapFragments() function to specify how a pixmap, or sub-rect of a pixmap, is drawn.
QPainterPath	The QPainterPath class provides a container for painting operations, enabling graphical shapes to be constructed and reused.
Element	The QPainterPath::Element class specifies the position and type of a subpath.
QPainterPathStroker	The QPainterPathStroker class is used to generate fillable outlines for a given painter path.
QPalette	The QPalette class contains color groups for each widget state.
QPanGesture	The QPanGesture class describes a panning gesture made by the user.
QPen	The QPen class defines how a QPainter should draw lines and outlines of shapes.
QPicture	The QPicture class is a paint device that records and replays QPainter commands.
QPictureFormatInterface
QPictureFormatPlugin	The QPictureFormatPlugin class provides an abstract base for custom picture format plugins.
QPictureIO	The QPictureIO class contains parameters for loading and saving pictures.
QPinchGesture	The QPinchGesture class describes a pinch gesture made by the user.
QPixmap	The QPixmap class is an off-screen image representation that can be used as a paint device.
QPixmapCache	The QPixmapCache class provides an application-wide cache for pixmaps.
Key	The QPixmapCache::Key class can be used for efficient access to the QPixmapCache.
QPlainTextDocumentLayout	The QPlainTextDocumentLayout class implements a plain text layout for QTextDocument
QPlainTextEdit	The QPlainTextEdit class provides a widget that is used to edit and display plain text.
QPolygon	The QPolygon class provides a vector of points using integer precision.
QPolygonF	The QPolygonF class provides a vector of points using floating point precision.
QPrintDialog	The QPrintDialog class provides a dialog for specifying the printer's configuration.
QPrintEngine	The QPrintEngine class defines an interface for how QPrinter interacts with a given printing subsystem.
QPrintPreviewDialog	The QPrintPreviewDialog class provides a dialog for previewing and configuring page layouts for printer output.
QPrintPreviewWidget	The QPrintPreviewWidget class provides a widget for previewing page layouts for printer output.
QPrinter	The QPrinter class is a paint device that paints on a printer.
QPrinterInfo	The QPrinterInfo class gives access to information about existing printers.
QProgressBar	The QProgressBar widget provides a horizontal or vertical progress bar.
QProgressDialog	The QProgressDialog class provides feedback on the progress of a slow operation.
QProxyModel	The QProxyModel class provides support for processing data passed between another model and a view.
QProxyStyle	The QProxyStyle class is a convenience class that simplifies dynamically overriding QStyle elements.
QPushButton	The QPushButton widget provides a command button.
QQuaternion	The QQuaternion class represents a quaternion consisting of a vector and scalar.
QRadialGradient	The QRadialGradient class is used in combination with QBrush to specify a radial gradient brush.
QRadioButton	The QRadioButton widget provides a radio button with a text label.
QRawFont	The QRawFont class provides access to a single physical instance of a font.
QRegExpValidator	The QRegExpValidator class is used to check a string against a regular expression.
QRegion	The QRegion class specifies a clip region for a painter.
QResizeEvent	The QResizeEvent class contains event parameters for resize events.
QRubberBand	The QRubberBand class provides a rectangle or line that can indicate a selection or a boundary.
QScrollArea	The QScrollArea class provides a scrolling view onto another widget.
QScrollBar	The QScrollBar widget provides a vertical or horizontal scroll bar.
QSessionManager	The QSessionManager class provides access to the session manager.
QShortcut	The QShortcut class is used to create keyboard shortcuts.
QShortcutEvent	The QShortcutEvent class provides an event which is generated when the user presses a key combination.
QShowEvent	The QShowEvent class provides an event that is sent when a widget is shown.
QSizeGrip	The QSizeGrip class provides a resize handle for resizing top-level windows.
QSizePolicy	The QSizePolicy class is a layout attribute describing horizontal and vertical resizing policy.
QSlider	The QSlider widget provides a vertical or horizontal slider.
QSortFilterProxyModel	The QSortFilterProxyModel class provides support for sorting and filtering data passed between another model and a view.
QSound	The QSound class provides access to the platform audio facilities.
QSpacerItem	The QSpacerItem class provides blank space in a layout.
QSpinBox	The QSpinBox class provides a spin box widget.
QSplashScreen	The QSplashScreen widget provides a splash screen that can be shown during application startup.
QSplitter	The QSplitter class implements a splitter widget.
QSplitterHandle	The QSplitterHandle class provides handle functionality of the splitter.
QStackedLayout	The QStackedLayout class provides a stack of widgets where only one widget is visible at a time.
QStackedWidget	The QStackedWidget class provides a stack of widgets where only one widget is visible at a time.
QStandardItem	The QStandardItem class provides an item for use with the QStandardItemModel class.
QStandardItemModel	The QStandardItemModel class provides a generic model for storing custom data.
QStaticText	The QStaticText class enables optimized drawing of text when the text and its layout is updated rarely.
QStatusBar	The QStatusBar class provides a horizontal bar suitable for presenting status information.
QStatusTipEvent	The QStatusTipEvent class provides an event that is used to show messages in a status bar.
QStringListModel	The QStringListModel class provides a model that supplies strings to views.
QStyle
QStyleFactory	The QStyleFactory class creates QStyle objects.
QStyleFactoryInterface
QStyleHintReturn	The QStyleHintReturn class provides style hints that return more than basic data types.
QStyleHintReturnMask	The QStyleHintReturnMask class provides style hints that return a QRegion.
QStyleHintReturnVariant	The QStyleHintReturnVariant class provides style hints that return a QVariant.
QStyleOption	The QStyleOption class stores the parameters used by QStyle functions.
QStyleOptionButton	The QStyleOptionButton class is used to describe the parameters for drawing buttons.
QStyleOptionComboBox	The QStyleOptionComboBox class is used to describe the parameter for drawing a combobox.
QStyleOptionComplex	The QStyleOptionComplex class is used to hold parameters that are common to all complex controls.
QStyleOptionDockWidget	The QStyleOptionDockWidget class is used to describe the parameters for drawing a dock widget.
QStyleOptionDockWidgetV2
QStyleOptionFocusRect	The QStyleOptionFocusRect class is used to describe the parameters for drawing a focus rectangle with QStyle.
QStyleOptionFrame	The QStyleOptionFrame class is used to describe the parameters for drawing a frame.
QStyleOptionFrameV2	The QStyleOptionFrameV2 class is used to describe the parameters necessary for drawing a frame in Qt 4.1 or above.
QStyleOptionFrameV3	The QStyleOptionFrameV3 class is used to describe the parameters necessary for drawing a frame in Qt 4.1 or above.
QStyleOptionGraphicsItem	The QStyleOptionGraphicsItem class is used to describe the parameters needed to draw a QGraphicsItem.
QStyleOptionGroupBox	The QStyleOptionGroupBox class describes the parameters for drawing a group box.
QStyleOptionHeader	The QStyleOptionHeader class is used to describe the parameters for drawing a header.
QStyleOptionMenuItem	The QStyleOptionMenuItem class is used to describe the parameter necessary for drawing a menu item.
QStyleOptionProgressBar	The QStyleOptionProgressBar class is used to describe the parameters necessary for drawing a progress bar.
QStyleOptionProgressBarV2	The QStyleOptionProgressBarV2 class is used to describe the parameters necessary for drawing a progress bar in Qt 4.1 or above.
QStyleOptionRubberBand	The QStyleOptionRubberBand class is used to describe the parameters needed for drawing a rubber band.
QStyleOptionSizeGrip	The QStyleOptionSizeGrip class is used to describe the parameter for drawing a size grip.
QStyleOptionSlider	The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider.
QStyleOptionSpinBox	The QStyleOptionSpinBox class is used to describe the parameters necessary for drawing a spin box.
QStyleOptionTab	The QStyleOptionTab class is used to describe the parameters for drawing a tab bar.
QStyleOptionTabBarBase	The QStyleOptionTabBarBase class is used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with.
QStyleOptionTabBarBaseV2	The QStyleOptionTabBarBaseV2 class is used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with.
QStyleOptionTabV2	The QStyleOptionTabV2 class is used to describe the parameters necessary for drawing a tabs in Qt 4.1 or above.
QStyleOptionTabV3	The QStyleOptionTabV3 class is used to describe the parameters necessary for drawing a tabs in Qt 4.5 or above.
QStyleOptionTabWidgetFrame	The QStyleOptionTabWidgetFrame class is used to describe the parameters for drawing the frame around a tab widget.
QStyleOptionTabWidgetFrameV2	The QStyleOptionTabWidgetFrameV2 class is used to describe the parameters for drawing the frame around a tab widget.
QStyleOptionTitleBar	The QStyleOptionTitleBar class is used to describe the parameters for drawing a title bar.
QStyleOptionToolBar	The QStyleOptionToolBar class is used to describe the parameters for drawing a toolbar.
QStyleOptionToolBox	The QStyleOptionToolBox class is used to describe the parameters needed for drawing a tool box.
QStyleOptionToolBoxV2	The QStyleOptionToolBoxV2 class is used to describe the parameters necessary for drawing a frame in Qt 4.3 or above.
QStyleOptionToolButton	The QStyleOptionToolButton class is used to describe the parameters for drawing a tool button.
QStyleOptionViewItem	The QStyleOptionViewItem class is used to describe the parameters used to draw an item in a view widget.
QStyleOptionViewItemV2	The QStyleOptionViewItemV2 class is used to describe the parameters necessary for drawing a frame in Qt 4.2 or above.
QStyleOptionViewItemV3	The QStyleOptionViewItemV3 class is used to describe the parameters necessary for drawing a frame in Qt 4.3 or above.
QStyleOptionViewItemV4	The QStyleOptionViewItemV4 class is used to describe the parameters necessary for drawing a frame in Qt 4.4 or above.
QStylePainter
QStylePlugin	The QStylePlugin class provides an abstract base for custom QStyle plugins.
QStyledItemDelegate	The QStyledItemDelegate class provides display and editing facilities for data items from a model.
QSwipeGesture	The QSwipeGesture class describes a swipe gesture made by the user.
QSystemTrayIcon	The QSystemTrayIcon class provides an icon for an application in the system tray.
QTabBar	The QTabBar class provides a tab bar, e.g. for use in tabbed dialogs.
QTabWidget	The QTabWidget class provides a stack of tabbed widgets.
QTableView	The QTableView class provides a default model/view implementation of a table view.
QTableWidget	The QTableWidget class provides an item-based table view with a default model.
QTableWidgetItem	The QTableWidgetItem class provides an item for use with the QTableWidget class.
QTableWidgetSelectionRange	The QTableWidgetSelectionRange class provides a way to interact with selection in a model without using model indexes and a selection model.
QTabletEvent	The QTabletEvent class contains parameters that describe a Tablet event.
QTapAndHoldGesture	The QTapAndHoldGesture class describes a tap-and-hold (aka LongTap) gesture made by the user.
QTapGesture	The QTapGesture class describes a tap gesture made by the user.
QTextBlock	The QTextBlock class provides a container for text fragments in a QTextDocument.
iterator	The QTextBlock::iterator class provides an iterator for reading the contents of a QTextBlock.
QTextBlockFormat	The QTextBlockFormat class provides formatting information for blocks of text in a QTextDocument.
QTextBlockGroup	The QTextBlockGroup class provides a container for text blocks within a QTextDocument.
QTextBlockUserData	The QTextBlockUserData class is used to associate custom data with blocks of text.
QTextBrowser	The QTextBrowser class provides a rich text browser with hypertext navigation.
QTextCharFormat	The QTextCharFormat class provides formatting information for characters in a QTextDocument.
QTextCursor	The QTextCursor class offers an API to access and modify QTextDocuments.
QTextDocument	The QTextDocument class holds formatted text that can be viewed and edited using a QTextEdit.
QTextDocumentFragment	The QTextDocumentFragment class represents a piece of formatted text from a QTextDocument.
QTextDocumentWriter	The QTextDocumentWriter class provides a format-independent interface for writing a QTextDocument to files or other devices.
QTextEdit	The QTextEdit class provides a widget that is used to edit and display both plain and rich text.
ExtraSelection	The QTextEdit::ExtraSelection structure provides a way of specifying a character format for a given selection in a document
QTextFormat	The QTextFormat class provides formatting information for a QTextDocument.
QTextFragment	The QTextFragment class holds a piece of text in a QTextDocument with a single QTextCharFormat.
QTextFrame	The QTextFrame class represents a frame in a QTextDocument.
iterator
QTextFrameFormat	The QTextFrameFormat class provides formatting information for frames in a QTextDocument.
QTextFrameLayoutData
QTextImageFormat	The QTextImageFormat class provides formatting information for images in a QTextDocument.
QTextInlineObject	The QTextInlineObject class represents an inline object in a QTextLayout.
QTextItem	The QTextItem class provides all the information required to draw text in a custom paint engine.
QTextLayout	The QTextLayout class is used to lay out and render text.
FormatRange	The QTextLayout::FormatRange structure is used to apply extra formatting information for a specified area in the text layout's content.
QTextLength	The QTextLength class encapsulates the different types of length used in a QTextDocument.
QTextLine	The QTextLine class represents a line of text inside a QTextLayout.
QTextList	The QTextList class provides a decorated list of items in a QTextDocument.
QTextListFormat	The QTextListFormat class provides formatting information for lists in a QTextDocument.
QTextObject	The QTextObject class is a base class for different kinds of objects that can group parts of a QTextDocument together.
QTextObjectInterface	The QTextObjectInterface class allows drawing of custom text objects in QTextDocuments.
QTextOption	The QTextOption class provides a description of general rich text properties.
Tab
QTextTable	The QTextTable class represents a table in a QTextDocument.
QTextTableCell	The QTextTableCell class represents the properties of a cell in a QTextTable.
QTextTableCellFormat	The QTextTableCellFormat class provides formatting information for table cells in a QTextDocument.
QTextTableFormat	The QTextTableFormat class provides formatting information for tables in a QTextDocument.
QTileRules
QTimeEdit	The QTimeEdit class provides a widget for editing times based on the QDateTimeEdit widget.
QToolBar	The QToolBar class provides a movable panel that contains a set of controls.
QToolBarChangeEvent
QToolBox	The QToolBox class provides a column of tabbed widget items.
QToolButton	The QToolButton class provides a quick-access button to commands or options, usually used inside a QToolBar.
QToolTip	The QToolTip class provides tool tips (balloon help) for any widget.
QTouchEvent	The QTouchEvent class contains parameters that describe a touch event.
TouchPoint
QTransform	The QTransform class specifies 2D transformations of a coordinate system.
QTreeView	The QTreeView class provides a default model/view implementation of a tree view.
QTreeWidget	The QTreeWidget class provides a tree view that uses a predefined tree model.
QTreeWidgetItem	The QTreeWidgetItem class provides an item for use with the QTreeWidget convenience class.
QTreeWidgetItemIterator	The QTreeWidgetItemIterator class provides a way to iterate over the items in a QTreeWidget instance.
QUndoCommand	The QUndoCommand class is the base class of all commands stored on a QUndoStack.
QUndoGroup	The QUndoGroup class is a group of QUndoStack objects.
QUndoStack	The QUndoStack class is a stack of QUndoCommand objects.
QUndoView	The QUndoView class displays the contents of a QUndoStack.
QVBoxLayout	The QVBoxLayout class lines up widgets vertically.
QValidator	The QValidator class provides validation of input text.
QVector2D	The QVector2D class represents a vector or vertex in 2D space.
QVector3D	The QVector3D class represents a vector or vertex in 3D space.
QVector4D	The QVector4D class represents a vector or vertex in 4D space.
QWhatsThis	The QWhatsThis class provides a simple description of any widget, i.e. answering the question "What's This?".
QWhatsThisClickedEvent	The QWhatsThisClickedEvent class provides an event that can be used to handle hyperlinks in a "What's This?" text.
QWheelEvent	The QWheelEvent class contains parameters that describe a wheel event.
QWidget	The QWidget class is the base class of all user interface objects.
QWidgetAction	The QWidgetAction class extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars.
QWidgetItem	The QWidgetItem class is a layout item that represents a widget.
QWidgetItemV2
QWindowStateChangeEvent	The QWindowStateChangeEvent class provides the window state before a window state change.
QWizard	The QWizard class provides a framework for wizards.
QWizardPage	The QWizardPage class is the base class for wizard pages.
QWorkspace	The QWorkspace widget provides a workspace window that can be used in an MDI application.
IQMimeSource	The QMimeSource class is an abstraction of objects that provided formatted data of a certain MIME type.
IQGraphicsItem	The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene.
IQGraphicsLayoutItem	The QGraphicsLayoutItem class can be inherited to allow your custom items to be managed by layouts.
IQIconEngineFactoryInterface
IQIconEngineFactoryInterfaceV2
IQImageIOHandlerFactoryInterface
IQInputContextFactoryInterface
IQLayoutItem	The QLayoutItem class provides an abstract item that a QLayout manipulates.
IQPictureFormatInterface
IQStyleFactoryInterface
IQPaintDevice	The QPaintDevice class is the base class of objects that can be painted.
IQAbstractButtonSignals
IQAbstractItemDelegateSignals
IQAbstractItemViewSignals
IQAbstractPageSetupDialogSignals
IQAbstractPrintDialogSignals
IQAbstractProxyModelSignals
IQAbstractScrollAreaSignals
IQAbstractSliderSignals
IQAbstractSpinBoxSignals
IQAbstractTextDocumentLayoutSignals
IQActionSignals
IQActionGroupSignals
IQApplicationSignals
IQBoxLayoutSignals
IQButtonGroupSignals
IQCalendarWidgetSignals
IQCheckBoxSignals
IQClipboardSignals
IQColorDialogSignals
IQColumnViewSignals
IQComboBoxSignals
IQCommandLinkButtonSignals
IQCommonStyleSignals
IQCompleterSignals
IQDataWidgetMapperSignals
IQDateEditSignals
IQDateTimeEditSignals
IQDesktopWidgetSignals
IQDialSignals
IQDialogSignals
IQDialogButtonBoxSignals
IQDirModelSignals
IQDockWidgetSignals
IQDoubleSpinBoxSignals
IQDoubleValidatorSignals
IQDragSignals
IQErrorMessageSignals
IQFileDialogSignals
IQFileSystemModelSignals
IQFocusFrameSignals
IQFontComboBoxSignals
IQFontDialogSignals
IQFormLayoutSignals
IQFrameSignals
IQGestureSignals
IQGraphicsAnchorSignals
IQGraphicsBlurEffectSignals
IQGraphicsColorizeEffectSignals
IQGraphicsDropShadowEffectSignals
IQGraphicsEffectSignals
IQGraphicsItemAnimationSignals
IQGraphicsObjectSignals
IQGraphicsOpacityEffectSignals
IQGraphicsProxyWidgetSignals
IQGraphicsRotationSignals
IQGraphicsScaleSignals
IQGraphicsSceneSignals
IQGraphicsTextItemSignals
IQGraphicsTransformSignals
IQGraphicsViewSignals
IQGraphicsWidgetSignals
IQGridLayoutSignals
IQGroupBoxSignals
IQHBoxLayoutSignals
IQHeaderViewSignals
IQIconEnginePluginSignals
IQIconEnginePluginV2Signals
IQImageIOPluginSignals
IQInputContextSignals
IQInputContextPluginSignals
IQInputDialogSignals
IQIntValidatorSignals
IQItemDelegateSignals
IQItemSelectionModelSignals
IQKeyEventTransitionSignals
IQLCDNumberSignals
IQLabelSignals
IQLayoutSignals
IQLineEditSignals
IQListViewSignals
IQListWidgetSignals
IQMainWindowSignals
IQMdiAreaSignals
IQMdiSubWindowSignals
IQMenuSignals
IQMenuBarSignals
IQMessageBoxSignals
IQMouseEventTransitionSignals
IQMovieSignals
IQPageSetupDialogSignals
IQPanGestureSignals
IQPictureFormatPluginSignals
IQPinchGestureSignals
IQPlainTextDocumentLayoutSignals
IQPlainTextEditSignals
IQPrintDialogSignals
IQPrintPreviewDialogSignals
IQPrintPreviewWidgetSignals
IQProgressBarSignals
IQProgressDialogSignals
IQProxyModelSignals
IQProxyStyleSignals
IQPushButtonSignals
IQRadioButtonSignals
IQRegExpValidatorSignals
IQRubberBandSignals
IQScrollAreaSignals
IQScrollBarSignals
IQSessionManagerSignals
IQShortcutSignals
IQSizeGripSignals
IQSliderSignals
IQSortFilterProxyModelSignals
IQSoundSignals
IQSpinBoxSignals
IQSplashScreenSignals
IQSplitterSignals
IQSplitterHandleSignals
IQStackedLayoutSignals
IQStackedWidgetSignals
IQStandardItemModelSignals
IQStatusBarSignals
IQStringListModelSignals
IQStyleSignals
IQStylePluginSignals
IQStyledItemDelegateSignals
IQSwipeGestureSignals
IQSyntaxHighlighterSignals
IQSystemTrayIconSignals
IQTabBarSignals
IQTabWidgetSignals
IQTableViewSignals
IQTableWidgetSignals
IQTapAndHoldGestureSignals
IQTapGestureSignals
IQTextBlockGroupSignals
IQTextBrowserSignals
IQTextDocumentSignals
IQTextEditSignals
IQTextFrameSignals
IQTextListSignals
IQTextObjectSignals
IQTextTableSignals
IQTimeEditSignals
IQToolBarSignals
IQToolBoxSignals
IQToolButtonSignals
IQTreeViewSignals
IQTreeWidgetSignals
IQUndoGroupSignals
IQUndoStackSignals
IQUndoViewSignals
IQVBoxLayoutSignals
IQValidatorSignals
IQWidgetSignals
IQWidgetActionSignals
IQWizardSignals
IQWizardPageSignals
IQWorkspaceSignals
QtNetwork
QAbstractNetworkCache	The QAbstractNetworkCache class provides the interface for cache implementations.
QAbstractSocket	The QAbstractSocket class provides the base functionality common to all socket types.
QAuthenticator	The QAuthenticator class provides an authentication object.
QFtp	The QFtp class provides an implementation of the client side of FTP protocol.
Global
QHostAddress	The QHostAddress class provides an IP address.
QHostInfo	The QHostInfo class provides static functions for host name lookups.
QHttp	The QHttp class provides an implementation of the HTTP protocol.
QHttpHeader	The QHttpHeader class contains header information for HTTP.
QHttpMultiPart	The QHttpMultiPart class resembles a MIME multipart message to be sent over HTTP.
QHttpPart	The QHttpPart class holds a body part to be used inside a HTTP multipart MIME message.
QHttpRequestHeader	The QHttpRequestHeader class contains request header information for HTTP.
QHttpResponseHeader	The QHttpResponseHeader class contains response header information for HTTP.
QIPv6Address
QLocalServer	The QLocalServer class provides a local socket based server.
QLocalSocket	The QLocalSocket class provides a local socket.
QNetworkAccessManager	The QNetworkAccessManager class allows the application to send network requests and receive replies
QNetworkAddressEntry	The QNetworkAddressEntry class stores one IP address supported by a network interface, along with its associated netmask and broadcast address.
QNetworkCacheMetaData	The QNetworkCacheMetaData class provides cache information.
QNetworkConfiguration	The QNetworkConfiguration class provides an abstraction of one or more access point configurations.
QNetworkConfigurationManager	The QNetworkConfigurationManager class manages the network configurations provided by the system.
QNetworkCookie	The QNetworkCookie class holds one network cookie.
QNetworkCookieJar	The QNetworkCookieJar class implements a simple jar of QNetworkCookie objects
QNetworkDiskCache	The QNetworkDiskCache class provides a very basic disk cache.
QNetworkInterface	The QNetworkInterface class provides a listing of the host's IP addresses and network interfaces.
QNetworkProxy	The QNetworkProxy class provides a network layer proxy.
QNetworkProxyFactory	The QNetworkProxyFactory class provides fine-grained proxy selection.
QNetworkProxyQuery	The QNetworkProxyQuery class is used to query the proxy settings for a socket
QNetworkReply	The QNetworkReply class contains the data and headers for a request sent with QNetworkAccessManager
QNetworkRequest	The QNetworkRequest class holds a request to be sent with QNetworkAccessManager.
QNetworkSession	The QNetworkSession class provides control over the system's access points and enables session management for cases when multiple clients access the same access point.
QSslCertificate	The QSslCertificate class provides a convenient API for an X509 certificate.
QSslCipher	The QSslCipher class represents an SSL cryptographic cipher.
QSslConfiguration	The QSslConfiguration class holds the configuration and state of an SSL connection
QSslError	The QSslError class provides an SSL error.
QSslKey	The QSslKey class provides an interface for private and public keys.
QSslSocket	The QSslSocket class provides an SSL encrypted socket for both clients and servers.
QTcpServer	The QTcpServer class provides a TCP-based server.
QTcpSocket	The QTcpSocket class provides a TCP socket.
QUdpSocket	The QUdpSocket class provides a UDP socket.
QUrlInfo	The QUrlInfo class stores information about URLs.
IQAbstractNetworkCacheSignals
IQAbstractSocketSignals
IQFtpSignals
IQHttpSignals
IQHttpMultiPartSignals
IQLocalServerSignals
IQLocalSocketSignals
IQNetworkAccessManagerSignals
IQNetworkConfigurationManagerSignals
IQNetworkCookieJarSignals
IQNetworkDiskCacheSignals
IQNetworkReplySignals
IQNetworkSessionSignals
IQSslSocketSignals
IQTcpServerSignals
IQTcpSocketSignals
IQUdpSocketSignals
QtOpenGL
QGLBuffer	The QGLBuffer class provides functions for creating and managing GL buffer objects.
QGLColormap	The QGLColormap class is used for installing custom colormaps into a QGLWidget.
QGLContext	The QGLContext class encapsulates an OpenGL rendering context.
QGLFormat	The QGLFormat class specifies the display format of an OpenGL rendering context.
QGLFramebufferObject	The QGLFramebufferObject class encapsulates an OpenGL framebuffer object.
QGLFramebufferObjectFormat	The QGLFramebufferObjectFormat class specifies the format of an OpenGL framebuffer object.
QGLPixelBuffer	The QGLPixelBuffer class encapsulates an OpenGL pbuffer.
QGLShader	The QGLShader class allows OpenGL shaders to be compiled.
QGLShaderProgram	The QGLShaderProgram class allows OpenGL shader programs to be linked and used.
QGLWidget	The QGLWidget class is a widget for rendering OpenGL graphics.
Global
IQGLShaderSignals
IQGLShaderProgramSignals
IQGLWidgetSignals
QtScript
Global
QScriptClass	The QScriptClass class provides an interface for defining custom behavior of (a class of) Qt Script objects.
QScriptClassPropertyIterator	The QScriptClassPropertyIterator class provides an iterator interface for custom Qt Script objects.
QScriptContext	The QScriptContext class represents a Qt Script function invocation.
QScriptContextInfo	The QScriptContextInfo class provides additional information about a QScriptContext.
QScriptEngine	The QScriptEngine class provides an environment for evaluating Qt Script code.
QScriptEngineAgent	The QScriptEngineAgent class provides an interface to report events pertaining to QScriptEngine execution.
QScriptExtensionInterface
QScriptExtensionPlugin	The QScriptExtensionPlugin class provides an abstract base for custom QScript extension plugins.
QScriptString	The QScriptString class acts as a handle to "interned" strings in a QScriptEngine.
QScriptSyntaxCheckResult	The QScriptSyntaxCheckResult class provides the result of a script syntax check.
QScriptValue	The QScriptValue class acts as a container for the Qt Script data types.
QScriptValueIterator	The QScriptValueIterator class provides a Java-style iterator for QScriptValue.
QScriptable	The QScriptable class provides access to the Qt Script environment from Qt C++ member functions.
IQScriptExtensionInterface
IQScriptEngineSignals
IQScriptExtensionPluginSignals
QtSql
Global
QSqlDatabase	The QSqlDatabase class represents a connection to a database.
QSqlDriver	The QSqlDriver class is an abstract base class for accessing specific SQL databases.
QSqlDriverCreatorBase	The QSqlDriverCreatorBase class is the base class for SQL driver factories.
QSqlDriverFactoryInterface
QSqlDriverPlugin	The QSqlDriverPlugin class provides an abstract base for custom QSqlDriver plugins.
QSqlError	The QSqlError class provides SQL database error information.
QSqlField	The QSqlField class manipulates the fields in SQL database tables and views.
QSqlIndex	The QSqlIndex class provides functions to manipulate and describe database indexes.
QSqlQuery	The QSqlQuery class provides a means of executing and manipulating SQL statements.
QSqlQueryModel	The QSqlQueryModel class provides a read-only data model for SQL result sets.
QSqlRecord	The QSqlRecord class encapsulates a database record.
QSqlRelation	The QSqlRelation class stores information about an SQL foreign key.
QSqlRelationalDelegate	The QSqlRelationalDelegate class provides a delegate that is used to display and edit data from a QSqlRelationalTableModel.
QSqlRelationalTableModel	The QSqlRelationalTableModel class provides an editable data model for a single database table, with foreign key support.
QSqlResult	The QSqlResult class provides an abstract interface for accessing data from specific SQL databases.
QSqlTableModel	The QSqlTableModel class provides an editable data model for a single database table.
IQSqlDriverFactoryInterface
IQSqlDriverSignals
IQSqlDriverPluginSignals
IQSqlQueryModelSignals
IQSqlRelationalDelegateSignals
IQSqlRelationalTableModelSignals
IQSqlTableModelSignals
QtSvg
Global
QGraphicsSvgItem	The QGraphicsSvgItem class is a QGraphicsItem that can be used to render the contents of SVG files.
QSvgGenerator	The QSvgGenerator class provides a paint device that is used to create SVG drawings.
QSvgRenderer	The QSvgRenderer class is used to draw the contents of SVG files onto paint devices.
QSvgWidget	The QSvgWidget class provides a widget that is used to display the contents of Scalable Vector Graphics (SVG) files.
IQGraphicsSvgItemSignals
IQSvgRendererSignals
IQSvgWidgetSignals
QtUiTools
Global
QUiLoader	The QUiLoader class enables standalone applications to dynamically create user interfaces at run-time using the information stored in UI files or specified in plugin paths.
IQUiLoaderSignals
QtWebKit
Global
QWebDatabase	The QWebDatabase class provides access to HTML 5 databases created with JavaScript.
QWebElementCollection	The QWebElementCollection class represents a collection of web elements.
const_iterator
iterator	The QWebElementCollection::iterator class provides an STL-style iterator for QWebElementCollection.
QWebFrame	The QWebFrame class represents a frame in a web page.
QWebHistory	The QWebHistory class represents the history of a QWebPage
QWebHistoryInterface	The QWebHistoryInterface class provides an interface to implement link history.
QWebHistoryItem	The QWebHistoryItem class represents one item in the history of a QWebPage
QWebHitTestResult	The QWebHitTestResult class provides information about the web page content after a hit test.
QWebInspector	The QWebInspector class allows the placement and control of a QWebPage's inspector. The inspector can display a page's hierarchy, its loading statistics and the current state of its individual elements. It is mostly used by web developers.
QWebPage	The QWebPage class provides an object to view and edit web documents.
ChooseMultipleFilesExtensionOption
ChooseMultipleFilesExtensionReturn
ErrorPageExtensionOption
ErrorPageExtensionReturn
ExtensionOption
ExtensionReturn
ViewportAttributes	The QWebPage::ViewportAttributes class describes hints that can be applied to a viewport.
QWebPluginFactory	The QWebPluginFactory class is used to embed custom data types in web pages.
ExtensionOption
ExtensionReturn
MimeType	The QWebPluginFactory::MimeType structure describes a mime type supported by a plugin.
Plugin	The QWebPluginFactory::Plugin structure describes the properties of a plugin a QWebPluginFactory can create.
QWebSecurityOrigin	The QWebSecurityOrigin class defines a security boundary for web sites.
QWebSettings	The QWebSettings class provides an object to store the settings used by QWebPage and QWebFrame.
QWebView	The QWebView class provides a widget that is used to view and edit web documents.
IQWebFrameSignals
IQWebHistoryInterfaceSignals
IQWebInspectorSignals
IQWebPageSignals
IQWebPluginFactorySignals
IQWebViewSignals
QtXml
QDomAttr	The QDomAttr class represents one attribute of a QDomElement.
QDomCDATASection	The QDomCDATASection class represents an XML CDATA section.
QDomCharacterData	The QDomCharacterData class represents a generic string in the DOM.
QDomComment	The QDomComment class represents an XML comment.
QDomDocument	The QDomDocument class represents an XML document.
QDomDocumentFragment	The QDomDocumentFragment class is a tree of QDomNodes which is not usually a complete QDomDocument.
QDomDocumentType	The QDomDocumentType class is the representation of the DTD in the document tree.
QDomElement	The QDomElement class represents one element in the DOM tree.
QDomEntity	The QDomEntity class represents an XML entity.
QDomEntityReference	The QDomEntityReference class represents an XML entity reference.
QDomImplementation	The QDomImplementation class provides information about the features of the DOM implementation.
QDomNamedNodeMap	The QDomNamedNodeMap class contains a collection of nodes that can be accessed by name.
QDomNode	The QDomNode class is the base class for all the nodes in a DOM tree.
QDomNodeList	The QDomNodeList class is a list of QDomNode objects.
QDomNotation	The QDomNotation class represents an XML notation.
QDomProcessingInstruction	The QDomProcessingInstruction class represents an XML processing instruction.
QDomText	The QDomText class represents text data in the parsed XML document.
Global
QXmlAttributes	The QXmlAttributes class provides XML attributes.
QXmlContentHandler	The QXmlContentHandler class provides an interface to report the logical content of XML data.
QXmlDTDHandler	The QXmlDTDHandler class provides an interface to report DTD content of XML data.
QXmlDeclHandler	The QXmlDeclHandler class provides an interface to report declaration content of XML data.
QXmlDefaultHandler	The QXmlDefaultHandler class provides a default implementation of all the XML handler classes.
QXmlEntityResolver	The QXmlEntityResolver class provides an interface to resolve external entities contained in XML data.
QXmlErrorHandler	The QXmlErrorHandler class provides an interface to report errors in XML data.
QXmlInputSource	The QXmlInputSource class provides the input data for the QXmlReader subclasses.
QXmlLexicalHandler	The QXmlLexicalHandler class provides an interface to report the lexical content of XML data.
QXmlLocator	The QXmlLocator class provides the XML handler classes with information about the parsing position within a file.
QXmlNamespaceSupport	The QXmlNamespaceSupport class is a helper class for XML readers which want to include namespace support.
QXmlParseException	The QXmlParseException class is used to report errors with the QXmlErrorHandler interface.
QXmlReader	The QXmlReader class provides an interface for XML readers (i.e. parsers).
QXmlSimpleReader	The QXmlSimpleReader class provides an implementation of a simple XML parser.
QXmlStreamWriter	The QXmlStreamWriter class provides an XML writer with a simple streaming API.
IQXmlErrorHandler	The QXmlErrorHandler class provides an interface to report errors in XML data.
IQXmlDTDHandler	The QXmlDTDHandler class provides an interface to report DTD content of XML data.
IQXmlEntityResolver	The QXmlEntityResolver class provides an interface to resolve external entities contained in XML data.
IQXmlLexicalHandler	The QXmlLexicalHandler class provides an interface to report the lexical content of XML data.
IQXmlDeclHandler	The QXmlDeclHandler class provides an interface to report declaration content of XML data.
QtXmlPatterns
QAbstractMessageHandler	The QAbstractMessageHandler class provides a callback interface for handling messages.
QAbstractUriResolver	The QAbstractUriResolver class is a callback interface for resolving Uniform Resource Identifiers.
QAbstractXmlNodeModel	The QAbstractXmlNodeModel class is an abstract base class for modeling non-XML data to look like XML for QXmlQuery.
QAbstractXmlReceiver	The QAbstractXmlReceiver class provides a callback interface for transforming the output of a QXmlQuery.
Global
QSimpleXmlNodeModel	The QSimpleXmlNodeModel class is an implementation of QAbstractXmlNodeModel sufficient for many common cases.
QSourceLocation	The QSourceLocation class identifies a location in a resource by URI, line, and column.
QXmlFormatter	The QXmlFormatter class is an implementation of QXmlSerializer for transforming XQuery output into formatted XML.
QXmlItem	The QXmlItem class contains either an XML node or an atomic value.
QXmlName	The QXmlName class represents the name of an XML node, in an efficient, namespace-aware way.
QXmlNamePool	The QXmlNamePool class is a table of shared strings referenced by instances of QXmlName.
QXmlNodeModelIndex	The QXmlNodeModelIndex class identifies a node in an XML node model subclassed from QAbstractXmlNodeModel.
QXmlQuery	The QXmlQuery class performs XQueries on XML data, or on non-XML data modeled to look like XML.
IQAbstractMessageHandlerSignals
IQAbstractUriResolverSignals
QXmlSchema	The QXmlSchema class provides loading and validation of a W3C XML Schema.
QXmlSchemaValidator	The QXmlSchemaValidator class validates XML instance documents against a W3C XML Schema.
QXmlSerializer	The QXmlSerializer class is an implementation of QAbstractXmlReceiver for transforming XQuery output into unformatted XML.