+| QAbstractButton | The abstract base class of button widgets, providing functionality common to buttons |
+| QAbstractItemDelegate | Used to display and edit data items from a model |
+| QAbstractItemView | The basic functionality for item view classes |
+| QAbstractScrollArea | Scrolling area with on-demand scroll bars |
+| QAbstractSlider | Integer value within a range |
+| QAbstractSpinBox | Spinwidget and a line edit to display values |
+| QAbstractTextDocumentLayout | Abstract base class used to implement custom layouts for QTextDocuments |
+| QAccessible | Enums and static functions relating to accessibility |
+| QAccessibleInterface | Defines an interface that exposes information about accessible objects |
+| QAccessibleObject | Implements parts of the QAccessibleInterface for QObjects |
+| QAccessiblePlugin | Abstract base for accessibility plugins |
+| QAccessibleWidget | Implements the QAccessibleInterface for QWidgets |
+| QAction | Abstract user interface action that can be inserted into widgets with QWidget::addAction() |
+| QActionGroup | Groups actions together |
+| QApplication | Manages the GUI application's control flow and main settings |
+| QBitmap | Monochrome (1-bit depth) pixmaps |
+| QBoxLayout | Lines up child widgets horizontally or vertically |
+| QBrush | Defines the fill pattern of shapes drawn by a QPainter |
+| QButtonGroup | Container to organize groups of button widgets |
+| QCDEStyle | CDE look and feel |
+| QCheckBox | Checkbox with a text label |
+| QClipboard | Access to the window system clipboard |
+| QCloseEvent | Parameters that describe a close event |
+| QColor | Colors based on RGB or HSV values |
+| QColorDialog | Dialog widget for specifying colors |
+| QColorGroup |
+| QComboBox | Combined button and popup list |
+| QCommonStyle | Encapsulates the common Look and Feel of a GUI |
+| QConicalGradient | Used in combination with QBrush to specify a conical gradient brush |
+| QContextMenuEvent | Parameters that describe a context menu event |
+| QCopChannel | Communication capabilities between several clients |
+| QCursor | Mouse cursor with an arbitrary shape |
+| QDateTimeEdit | Widget for editing dates and times |
+| QDecoration | Allows the appearance of the Qtopia Core Window Manager to be customized |
+| QDecorationFactory | Creates QDecoration objects |
+| QDecorationPlugin | Abstract base for custom QDecoration plugins |
+| QDesktopWidget | Access to screen information on multi-head systems |
+| QDial | Rounded range control (like a speedometer or potentiometer) |
+| QDialog | The base class of dialog windows |
+| QDirModel | Data model for the local filesystem |
+| QDirectPainter | Direct access to the video hardware |
+| QDockWidget | Widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop |
+| QDoubleSpinBox | Spin box widget that takes doubles |
+| QDoubleValidator | Range checking of floating-point numbers |
+| QDrag | Support for MIME-based drag and drop data transfer |
+| QDragEnterEvent | Event which is sent to a widget when a drag and drop action enters it |
+| QDragLeaveEvent | Event that is sent to a widget when a drag and drop action leaves it |
+| QDragMoveEvent | Event which is sent while a drag and drop action is in progress |
+| QDropEvent | Event which is sent when a drag and drop action is completed |
+| QErrorMessage | Error message display dialog |
+| QFileDialog | Dialog that allow users to select files or directories |
+| QFileIconProvider | File icon for the QDirModel class |
+| QFileOpenEvent | Event that will be sent when there is a request to open a file |
+| QFocusEvent | Event parameters for widget focus events |
+| QFocusFrame | Focus frame which can be outside of a widget's normal paintable area |
+| QFont | Font used for drawing text |
+| QFontDatabase | Information about the fonts available in the underlying window system |
+| QFontDialog | Dialog widget for selecting a font |
+| QFontInfo | General information about fonts |
+| QFontMetrics | Font metrics information |
+| QFontMetricsF | Font metrics information |
+| QFrame | The base class of widgets that can have a frame |
+| QGfxDriverFactory | Creates QScreen objects for Qtopia Core |
+| QGfxDriverPlugin | Abstract base for Qtopia Core graphics driver plugins |
+| QGradient | Used in combination with QBrush to specify gradient fills |
+| QGridLayout | Lays out widgets in a grid |
+| QGridWidget | Simple geometry management of its children |
+| QGroupBox | Group box frame with a title |
+| QHBoxLayout | Lines up widgets horizontally |
+| QHBoxWidget | Horizontal geometry management for its child widgets |
+| QHeaderView | Header row or header column for item views |
+| QHideEvent | Event which is sent after a widget is hidden |
+| QHoverEvent | Parameters that describe a mouse event |
+| QIcon | Scalable icons in different modes and states |
+| QIconDragEvent | Indicates that a main icon drag has begun |
+| QIconEngine | Abstract base class for QIcon renderers |
+| QIconEnginePlugin | Abstract base for custom QIconEngine plugins |
+| QImage | Hardware-independent pixmap that allows direct access to the pixel data, and can be used as a paint device |
+| QImageIOHandler | Defines the common image I/O interface for all image formats in Qt |
+| QImageIOHandlerFactoryInterface | The factory interface for QImageIOPlugin |
+| QImageIOPlugin | Defines an interface for writing an image format plugin |
+| QImageReader | Format independent interface for reading images from files or other devices |
+| QImageWriter | Format independent interface for writing images to files or other devices |
+| QInputContext | Abstracts the input method dependent data and composing state |
+| QInputContextPlugin | Abstract base for custom QInputContext plugins |
+| QInputDialog | Simple convenience dialog to get a single value from the user |
+| QInputEvent | The base class for events that describe user input |
+| QInputMethodEvent | Parameters for input method events |
+| QIntValidator | Validator that ensures a string contains a valid integer within a specified range |
+| QItemDelegate | Display and editing facilities for data items from a model |
+| QItemSelection | Manages information about selected items in a model |
+| QItemSelectionModel | Keeps track of a view's selected items |
+| QItemSelectionRange | Manages information about a range of selected items in a model |
+| QKbdDriverFactory | Creates QWSKeyboardHandler objects for Qtopia Core |
+| QKbdDriverPlugin | Abstract base for Qtopia Core keyboard driver plugins |
+| QKeyEvent | Describes a key event |
+| QKeySequence | Encapsulates a key sequence as used by shortcuts |
+| QLCDNumber | Displays a number with LCD-like digits |
+| QLabel | Text or image display |
+| QLayout | The base class of geometry managers |
+| QLayoutItem | Abstract item that a QLayout manipulates |
+| QLineEdit | One-line text editor |
+| QLinearGradient | Used in combination with QBrush to specify a linear gradient brush |
+| QListView | Default model/view implementation of a list, and of an icon view |
+| QListWidget | Item-based list widget |
+| QListWidgetItem | Item for use with the QListWidget item view class |
+| QMacMime | Maps open-standard MIME to Mac flavors |
+| QMacStyle | Implements an Appearance Manager style |
+| QMainWindow | Main application window |
+| QMatrix | 2D transformations of a coordinate system |
+| QMenu | Menu widget for use in menu bars, context menus, and other popup menus |
+| QMenuBar | Horizontal menu bar |
+| QMenuItem | Represents an item in a menu |
+| QMessageBox | Modal dialog with a short message, an icon, and some buttons |
+| QMotifPlusStyle | More sophisticated Motif-ish look and feel |
+| QMotifStyle | Motif look and feel |
+| QMouseDriverFactory | Creates QWSMouseHandler objects for Qtopia Core |
+| QMouseDriverPlugin | Abstract base for Qtopia Core mouse driver plugins |
+| QMouseEvent | Parameters that describe a mouse event |
+| QMoveEvent | Event parameters for move events |
+| QMovie | Convenience class for playing movies with QImageReader |
+| QPaintDevice | The base class of objects that can be painted |
+| QPaintEngine | Abstract definition of how QPainter draws to a given device on a given platform |
+| QPaintEvent | Event parameters for paint events |
+| QPainter | Does low-level painting e.g. on widgets |
+| QPainterPath | Container for painting operations, enabling graphical shapes to be constructed and reused |
+| QPalette | Color groups for each widget state |
+| QPen | Defines how a QPainter should draw lines and outlines of shapes |
+| QPicture | Paint device that records and replays QPainter commands |
+| QPictureFormatPlugin | Abstract base for custom picture format plugins |
+| QPictureIO | Parameters for loading and saving pictures |
+| QPixmap | Off-screen, pixel-based paint device |
+| QPixmapCache | Application-wide cache for pixmaps |
+| QPlatinumStyle | Mac/Platinum look and feel |
+| QPolygon | Vector of points |
+| QPolygonF | Vector of points |
+| QPrintEngine | Defines an interface for how QPrinter interacts with a given printing subsystem |
+| QPrinter | Paint device that paints on a printer |
+| QProgressBar | Horizontal progress bar |
+| QProgressDialog | Feedback on the progress of a slow operation |
+| QProxyModel | Support for filtering and sorting data that is passed between another model and a view |
+| QPushButton | Command button |
+| QRadialGradient | Used in combination with QBrush to specify a radial gradient brush |
+| QRadioButton | Radio button with a text label |
+| QRegExpValidator | Used to check a string against a regular expression |
+| QRegion | Clip region for a painter |
+| QResizeEvent | Event parameters for resize events |
+| QRubberBand | Rectangle or line that can indicate a selection or a boundary |
+| QSGIStyle | SGI/Irix look and feel |
+| QScreen | And its descendants manage the framebuffer and palette |
+| QScrollArea | Scrolling view onto another widget |
+| QScrollBar | Vertical or horizontal scroll bar |
+| QSessionManager | Access to the session manager |
+| QShortcut | Used to create keyboard shortcuts |
+| QShowEvent | Event that is sent when a widget is shown |
+| QSizeGrip | Corner-grip for resizing a top-level window |
+| QSizePolicy | Layout attribute describing horizontal and vertical resizing policy |
+| QSlider | Vertical or horizontal slider |
+| QSound | Access to the platform audio facilities |
+| QSpacerItem | Blank space in a layout |
+| QSpinBox | Spin box widget |
+| QSplashScreen | Splash screen that can be shown during application startup |
+| QSplitter | Implements a splitter widget |
+| QSplitterHandle | Handle functionality of the splitter |
+| QStackedLayout | Stack of widgets where only one widget is visible at a time |
+| QStackedWidget | Stack of widgets where only one widget is visible at a time |
+| QStandardItemModel |
+| QStatusBar | Horizontal bar suitable for presenting status information |
+| QStyle | Abstract base class that encapsulates the look and feel of a GUI |
+| QStyleFactory | Creates QStyle objects |
+| QStyleHintReturn |
+| QStyleOption | Stores the parameters used by QStyle functions |
+| QStyleOptionButton | Used to describe the parameters for drawing buttons |
+| QStyleOptionComboBox | Used to describe the parameter for drawing a combobox |
+| QStyleOptionComplex | Used to hold parameters that are common to all complex controls |
+| QStyleOptionDockWidget | Used to describe the parameters for drawing a dock window |
+| QStyleOptionFocusRect | Used to describe the parameters for drawing a focus rectangle with QStyle |
+| QStyleOptionFrame | Used to describe the parameters for drawing a frame |
+| QStyleOptionHeader | Used to describe the parameters for drawing a header |
+| QStyleOptionMenuItem | Used to describe the parameter necessary for drawing a menu item |
+| QStyleOptionProgressBar | Used to describe the parameters necessary for drawing a progress bar |
+| QStyleOptionQ3DockWindow | Used to describe the parameters for drawing various parts of a |
+| QStyleOptionQ3ListView | Used to describe the parameters for drawing a Q3ListView |
+| QStyleOptionQ3ListViewItem | Used to describe an item drawn in a Q3ListView |
+| QStyleOptionSlider | Used to describe the parameters needed for drawing a slider |
+| QStyleOptionSpinBox | Used to describe the parameters necessary for drawing a spin box |
+| QStyleOptionTab | Used to describe the parameters for drawing a tab bar |
+| QStyleOptionTitleBar | Used to describe the parameters for drawing a title bar |
+| QStyleOptionToolBox | Used to describe the parameters needed for drawing a tool box |
+| QStyleOptionToolButton | Used to describe the parameters for drawing a tool button |
+| QStyleOptionViewItem | Used to describe the parameters used to draw an item in a view widget |
+| QStylePainter | Convenience class for drawing QStyle elements inside a widget |
+| QStylePlugin | Abstract base for custom QStyle plugins |
+| QTabBar | Tab bar, e.g. for use in tabbed dialogs |
+| QTabWidget | Stack of tabbed widgets |
+| QTableView | Default model/view implementation of a table view |
+| QTableWidget | Item-based table view with a default model |
+| QTableWidgetItem | Item for use with the QTableWidget class |
+| QTableWidgetSelectionRange |
+| QTabletEvent | Parameters that describe a Tablet event |
+| QTextBlock | Container for text fragments in a QTextDocument |
+| QTextBlockFormat | Formatting information for blocks of text in a QTextDocument |
+| QTextBlockGroup | Container for text blocks within a QTextDocument |
+| QTextBrowser | Rich text browser with hypertext navigation |
+| QTextCharFormat | Formatting information for characters in a QTextDocument |
+| QTextCursor | Offers an API to access and modify QTextDocuments |
+| QTextDocument | Holds formatted text that can be viewed and edited using a QTextEdit |
+| QTextDocumentFragment | Represents a piece of formatted text from a QTextDocument |
+| QTextEdit | Widget that is used to edit and display both plain and rich text |
+| QTextFormat | Formatting information for a QTextDocument |
+| QTextFragment | Holds a piece of text in a QTextDocument with a single QTextCharFormat |
+| QTextFrame | Represents a frame in a QTextDocument |
+| QTextFrameFormat | Formatting information for frames in a QTextDocument |
+| QTextImageFormat | Formatting information for images in a QTextDocument |
+| QTextInlineObject | Represents an inline object in a QTextLayout |
+| QTextLayout | Used to lay out and paint a single paragraph of text |
+| QTextLength | Encapsulates the different types of length used in a QTextDocument |
+| QTextLine | Represents a line of text inside a QTextLayout |
+| QTextList | Decorated list of items in a QTextDocument |
+| QTextListFormat | Formatting information for lists in a QTextDocument |
+| QTextObject | Base class for different kinds of objects that can group parts of a QTextDocument together |
+| QTextOption | Description of general rich text properties |
+| QTextTable | Represents a table in a QTextDocument |
+| QTextTableCell | Represents the properties of a cell in a QTextTable |
+| QTextTableFormat | Formatting information for tables in a QTextDocument |
+| QToolBar | Movable panel that contains a set of controls |
+| QToolBarChangeEvent | Event that is sent whenever a the toolbar button is clicked on Mac OS X |
+| QToolBox | Column of tabbed widget items |
+| QToolButton | Quick-access button to commands or options, usually used inside a QToolBar |
+| QToolTip | Tool tips (balloon help) for any widget |
+| QTreeView | Default model/view implementation of a tree view |
+| QTreeWidget | Tree view that uses a predefined tree model |
+| QTreeWidgetItem | Item for use with the QTreeWidget convenience class |
+| QVBoxLayout | Lines up widgets vertically |
+| QVBoxWidget | Vertical geometry management of its child widgets |
+| QValidator | Validation of input text |
+| QWSInputMethod | International input methods for Qtopia Core |
+| QWSKeyboardHandler | Implements the keyboard driver for Qtopia Core |
+| QWSMouseHandler | Mouse driver for Qtopia Core |
+| QWSServer | Server-specific functionality in Qtopia Core |
+| QWSWindow | Server-specific functionality in Qtopia Core |
+| QWhatsThis | Simple description of any widget, i.e. answering the question "What's this?" |
+| QWhatsThisAction | Ready-made action to invoke "What's This" context help |
+| QWheelEvent | Parameters that describe a wheel event |
+| QWidget | The base class of all user interface objects |
+| QWidgetContainerPlugin | Abstract base for complex custom container QWidget plugins |
+| QWidgetItem | Layout item that represents a widget |
+| QWidgetPlugin | Abstract base for custom QWidget plugins |
+| QWindowsMime | Maps open-standard MIME to Window Clipboard formats |
+| QWindowsStyle | Microsoft Windows-like look and feel |
+| QWindowsXPStyle | Microsoft WindowsXP-like look and feel |
+| QWorkspace | Workspace window that be used in an MDI application |
+| QX11Info | Information about the X display configuration |
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