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# Annotated Class Index

TQt's classes with brief descriptions:

TQAccel | Handles keyboard accelerator and shortcut keys
TQAccessible | Enums and static functions relating to accessibility
TQAccessibleInterface | Defines an interface that exposes information about accessible objects
TQAccessibleObject | Implements parts of the TQAccessibleInterface for TQObjects
TQAction | Abstract user interface action that can appear both in menus and tool bars
TQActionGroup | Groups actions together
TQApplication | Manages the GUI application's control flow and main settings
TQAsciiCache | Template class that provides a cache based on char* keys
TQAsciiCacheIterator | Iterator for TQAsciiCache collections
TQAsciiDict | Template class that provides a dictionary based on char* keys
TQAsciiDictIterator | Iterator for TQAsciiDict collections
TQAssistantClient | Means of using TQt Assistant as an application's help tool
TQAxAggregated | Abstract base class for implementations of additional COM interfaces
TQAxBase | Abstract class that provides an API to initalize and access a COM object
TQAxBindable | Interface between a TQWidget and an ActiveX client
TQAxFactory | Defines a factory for the creation of COM components
TQAxObject | TQObject that wraps a COM object
TQAxScript | Wrapper around script code
TQAxScriptEngine | Wrapper around a script engine
TQAxScriptManager | Bridge between application objects and script code
TQAxWidget | TQWidget that wraps an ActiveX control
TQBig5Codec | Conversion to and from the Big5 encoding
TQBig5hkscsCodec | Conversion to and from the Big5-HKSCS encoding
TQBitArray | Array of bits
TQBitVal | Internal class, used with TQBitArray
TQBitmap | Monochrome (1-bit depth) pixmaps
TQBoxLayout | Lines up child widgets horizontally or vertically
TQBrush | Defines the fill pattern of shapes drawn by a TQPainter
TQBuffer | I/O device that operates on a TQByteArray
TQButton | The abstract base class of button widgets, providing functionality common to buttons
TQButtonGroup | Organizes TQButton widgets in a group
TQByteArray | Array of bytes
TQCDEStyle | CDE look and feel
TQCString | Abstraction of the classic C zero-terminated char array (char *)
TQCache | Template class that provides a cache based on TQString keys
TQCacheIterator | Iterator for TQCache collections
TQCanvas | 2D area that can contain TQCanvasItem objects
TQCanvasEllipse | Ellipse or ellipse segment on a TQCanvas
TQCanvasItem | Abstract graphic object on a TQCanvas
TQCanvasItemList | List of TQCanvasItems
TQCanvasLine | Line on a TQCanvas
TQCanvasPixmap | Pixmaps for TQCanvasSprites
TQCanvasPixmapArray | Array of TQCanvasPixmaps
TQCanvasPolygon | Polygon on a TQCanvas
TQCanvasPolygonalItem | Polygonal canvas item on a TQCanvas
TQCanvasRectangle | Rectangle on a TQCanvas
TQCanvasSpline | Multi-bezier splines on a TQCanvas
TQCanvasSprite | Animated canvas item on a TQCanvas
TQCanvasText | Text object on a TQCanvas
TQCanvasView | On-screen view of a TQCanvas
TQChar | Lightweight Unicode character
TQCharRef | Helper class for TQString
TQCheckBox | Checkbox with a text label
TQCheckListItem | Checkable list view items
TQCheckTableItem | Checkboxes in TQTables
TQChildEvent | Event parameters for child object events
TQClipboard | Access to the window system clipboard
TQCloseEvent | Parameters that describe a close event
TQColor | Colors based on RGB or HSV values
TQColorDialog | Dialog widget for specifying colors
TQColorDrag | Drag and drop object for transferring colors
TQColorGroup | Group of widget colors
TQComboBox | Combined button and popup list
TQComboTableItem | Means of using comboboxes in TQTables
TQCommonStyle | Encapsulates the common Look and Feel of a GUI
TQConstString | String objects using constant Unicode data
TQContextMenuEvent | Parameters that describe a context menu event
TQCopChannel | Communication capabilities between several clients
TQCursor | Mouse cursor with an arbitrary shape
TQCustomEvent | Support for custom events
TQCustomMenuItem | Abstract base class for custom menu items in popup menus
TQDataBrowser | Data manipulation and navigation for data entry forms
TQDataStream | Serialization of binary data to a TQIODevice
TQDataTable | Flexible SQL table widget that supports browsing and editing
TQDataView | Read-only SQL forms
TQDate | Date functions
TQDateEdit | Date editor
TQDateTime | Date and time functions
TQDateTimeEdit | Combines a TQDateEdit and TQTimeEdit widget into a single widget for editing datetimes
TQDateTimeEditBase | Abstraction for date and edit editors
TQDeepCopy | Template class which ensures that implicitly shared and explicitly shared classes reference unique data
TQDesktopWidget | Access to screen information on multi-head systems
TQDial | Rounded range control (like a speedometer or potentiometer)
TQDialog | The base class of dialog windows
TQDict | Template class that provides a dictionary based on TQString keys
TQDictIterator | Iterator for TQDict collections
TQDir | Access to directory structures and their contents in a platform-independent way
TQDirectPainter | Direct access to the video hardware
TQDns | Asynchronous DNS lookups
TQDockArea | Manages and lays out TQDockWindows
TQDockWindow | Widget which can be docked inside a TQDockArea or floated as a top level window on the desktop
TQDomAttr | Represents one attribute of a TQDomElement
TQDomCDATASection | Represents an XML CDATA section
TQDomCharacterData | Represents a generic string in the DOM
TQDomComment | Represents an XML comment
TQDomDocument | Represents an XML document
TQDomDocumentFragment | Tree of TQDomNodes which is not usually a complete TQDomDocument
TQDomDocumentType | The representation of the DTD in the document tree
TQDomElement | Represents one element in the DOM tree
TQDomEntity | Represents an XML entity
TQDomEntityReference | Represents an XML entity reference
TQDomImplementation | Information about the features of the DOM implementation
TQDomNamedNodeMap | Collection of nodes that can be accessed by name
TQDomNode | The base class for all the nodes in a DOM tree
TQDomNodeList | List of TQDomNode objects
TQDomNotation | Represents an XML notation
TQDomProcessingInstruction | Represents an XML processing instruction
TQDomText | Represents text data in the parsed XML document
TQDoubleValidator | Range checking of floating-point numbers
TQDragEnterEvent | Event which is sent to the widget when a drag and drop first drags onto the widget
TQDragLeaveEvent | Event which is sent to the widget when a drag and drop leaves the widget
TQDragMoveEvent | Event which is sent while a drag and drop is in progress
TQDragObject | Encapsulates MIME-based data transfer
TQDropEvent | Event which is sent when a drag and drop is completed
TQEditorFactory | Used to create editor widgets for TQVariant data types
TQErrorMessage | Error message display dialog
TQEucJpCodec | Conversion to and from EUC-JP character sets
TQEucKrCodec | Conversion to and from EUC-KR character sets
TQEvent | The base class of all event classes. Event objects contain event parameters
TQEventLoop | Manages the event queue
TQFile | I/O device that operates on files
TQFileDialog | Dialogs that allow users to select files or directories
TQFileIconProvider | Icons for TQFileDialog to use
TQFileInfo | System-independent file information
TQFilePreview | File previewing in TQFileDialog
TQFocusData | Maintains the list of widgets in the focus chain
TQFocusEvent | Event parameters for widget focus events
TQFont | Font used for drawing text
TQFontDatabase | Information about the fonts available in the underlying window system
TQFontDialog | Dialog widget for selecting a font
TQFontInfo | General information about fonts
TQFontManager | Implements font management in TQt/Embedded
TQFontMetrics | Font metrics information
TQFrame | The base class of widgets that can have a frame
TQFtp | Implementation of the FTP protocol
TQGL | Namespace for miscellaneous identifiers in the TQt OpenGL module
TQGLColormap | Used for installing custom colormaps into TQGLWidgets
TQGLContext | Encapsulates an OpenGL rendering context
TQGLFormat | The display format of an OpenGL rendering context
TQGLWidget | Widget for rendering OpenGL graphics
TQGLayoutIterator | Abstract base class of internal layout iterators
TQGb18030Codec | Conversion to and from the Chinese GB18030/GBK/GB2312 encoding
TQGb2312Codec | Conversion to and from the Chinese GB2312 encoding
TQGbkCodec | Conversion to and from the Chinese GBK encoding
TQGfxDriverFactory | Creates TQScreen objects for TQt/Embedded
TQGfxDriverPlugin | Abstract base for TQt/Embedded graphics driver plugins
TQGrid | Simple geometry management of its children
TQGridLayout | Lays out widgets in a grid
TQGridView | Abstract base for fixed-size grids
TQGroupBox | Group box frame with a title
TQGuardedPtr | Template class that provides guarded pointers to TQObjects
TQHBox | Horizontal geometry management for its child widgets
TQHBoxLayout | Lines up widgets horizontally
TQHButtonGroup | Organizes TQButton widgets in a group with one horizontal row
TQHGroupBox | Organizes widgets in a group with one horizontal row
TQHeader | Header row or column, e.g. for tables and listviews
TQHebrewCodec | Conversion to and from visually ordered Hebrew
TQHideEvent | Event which is sent after a widget is hidden
TQHostAddress | IP address
TQHttp | Implementation of the HTTP protocol
TQHttpHeader | Header information for HTTP
TQHttpRequestHeader | Request header information for HTTP
TQHttpResponseHeader | Response header information for HTTP
TQIMEvent | Parameters for input method events
TQIODevice | The base class of I/O devices
TQIconDrag | Supports drag and drop operations within a TQIconView
TQIconDragEvent | Signals that a main icon drag has begun
TQIconDragItem | Encapsulates a drag item
TQIconFactory | Used to create pixmaps for a TQIconSet
TQIconSet | Set of icons with different styles and sizes
TQIconView | Area with movable labelled icons
TQIconViewItem | Single item in a TQIconView
TQImage | Hardware-independent pixmap representation with direct access to the pixel data
TQImageConsumer | Abstraction used by TQImageDecoder
TQImageDecoder | Incremental image decoder for all supported image formats
TQImageDrag | Drag and drop object for transferring images
TQImageFormat | Incremental image decoder for a specific image format
TQImageFormatPlugin | Abstract base for custom image format plugins
TQImageFormatType | Factory that makes TQImageFormat objects
TQImageIO | Parameters for loading and saving images
TQInputDialog | Simple convenience dialog to get a single value from the user
TQIntCache | Template class that provides a cache based on long keys
TQIntCacheIterator | Iterator for TQIntCache collections
TQIntDict | Template class that provides a dictionary based on long keys
TQIntDictIterator | Iterator for TQIntDict collections
TQIntValidator | Validator which ensures that a string contains a valid integer within a specified range
TQJisCodec | Conversion to and from JIS character sets
TQKbdDriverFactory | Creates TQWSKeyboardHandler objects for TQt/Embedded
TQKbdDriverPlugin | Abstract base for TQt/Embedded keyboard driver plugins
TQKeyEvent | Describes a key event
TQKeySequence | Encapsulates a key sequence as used by accelerators
TQLCDNumber | Displays a number with LCD-like digits
TQLabel | Text or image display
TQLayout | The base class of geometry managers
TQLayoutItem | Abstract item that a TQLayout manipulates
TQLayoutIterator | Iterators over TQLayoutItem
TQLibrary | Wrapper for handling shared libraries
TQLineEdit | One-line text editor
TQListBox | List of selectable, read-only items
TQListBoxItem | The base class of all list box items
TQListBoxPixmap | List box items with a pixmap and optional text
TQListBoxText | List box items that display text
TQListView | Implements a list/tree view
TQListViewItem | Implements a list view item
TQListViewItemIterator | Iterator for collections of TQListViewItems
TQLocalFs | Implementation of a TQNetworkProtocol that works on the local file system
TQLocale | Converts between numbers and their string representations in various languages
TQMacMime | Maps open-standard MIME to Mac flavors
TQMacStyle | Implements an Appearance Manager style
TQMainWindow | Main application window, with a menu bar, dock windows (e.g. for toolbars), and a status bar
TQMap | Value-based template class that provides a dictionary
TQMapConstIterator | Iterator for TQMap
TQMapIterator | Iterator for TQMap
TQMemArray | Template class that provides arrays of simple types
TQMenuBar | Horizontal menu bar
TQMenuData | Base class for TQMenuBar and TQPopupMenu
TQMessageBox | Modal dialog with a short message, an icon, and some buttons
TQMetaObject | Meta information about TQt objects
TQMetaProperty | Stores meta data about a property
TQMimeSource | Abstraction of objects which provide formatted data of a certain MIME type
TQMimeSourceFactory | Extensible provider of mime-typed data
TQMotif | The basis of the Motif Extension
TQMotifDialog | The TQDialog API for Motif-based dialogs
TQMotifPlusStyle | More sophisticated Motif-ish look and feel
TQMotifStyle | Motif look and feel
TQMotifWidget | The TQWidget API for Xt/Motif widgets
TQMouseDriverFactory | Creates TQWSMouseHandler objects for TQt/Embedded
TQMouseDriverPlugin | Abstract base for TQt/Embedded mouse driver plugins
TQMouseEvent | Parameters that describe a mouse event
TQMoveEvent | Event parameters for move events
TQMovie | Incremental loading of animations or images, signalling as it progresses
TQMutex | Access serialization between threads
TQMutexLocker | Simplifies locking and unlocking TQMutexes
TQNPInstance | TQObject that is a web browser plugin
TQNPStream | Stream of data provided to a TQNPInstance by the browser
TQNPWidget | TQWidget that is a web browser plugin window
TQNPlugin | The main factory for plugin objects
TQNetworkOperation | Common operations for network protocols
TQNetworkProtocol | Common API for network protocols
TQObject | The base class of all TQt objects
TQObjectCleanupHandler | Watches the lifetime of multiple TQObjects
TQObjectList | TQPtrList of TQObjects
TQObjectListIterator | Iterator for TQObjectLists
TQPNGImagePacker | Creates well-compressed PNG animations
TQPaintDevice | The base class of objects that can be painted
TQPaintDeviceMetrics | Information about a paint device
TQPaintEvent | Event parameters for paint events
TQPainter | Does low-level painting e.g. on widgets
TQPair | Value-based template class that provides a pair of elements
TQPalette | Color groups for each widget state
TQPen | Defines how a TQPainter should draw lines and outlines of shapes
TQPicture | Paint device that records and replays TQPainter commands
TQPixmap | Off-screen, pixel-based paint device
TQPixmapCache | Application-global cache for pixmaps
TQPlatinumStyle | Mac/Platinum look and feel
TQPoint | Defines a point in the plane
TQPointArray | Array of points
TQPopupMenu | Popup menu widget
TQPrinter | Paint device that paints on a printer
TQProcess | Used to start external programs and to communicate with them
TQProgressBar | Horizontal progress bar
TQProgressDialog | Feedback on the progress of a slow operation
TQPtrCollection | The base class of most pointer-based TQt collections
TQPtrDict | Template class that provides a dictionary based on void* keys
TQPtrDictIterator | Iterator for TQPtrDict collections
TQPtrList | Template class that provides a list
TQPtrListIterator | Iterator for TQPtrList collections
TQPtrQueue | Template class that provides a queue
TQPtrStack | Template class that provides a stack
TQPtrVector | Template collection class that provides a vector (array)
TQPushButton | Command button
TQRadioButton | Radio button with a text or pixmap label
TQRangeControl | Integer value within a range
TQRect | Defines a rectangle in the plane
TQRegExp | Pattern matching using regular expressions
TQRegExpValidator | Used to check a string against a regular expression
TQRegion | Clip region for a painter
TQResizeEvent | Event parameters for resize events
TQSGIStyle | SGI/Irix look and feel
TQScreen | And its descendants manage the framebuffer and palette
TQScrollBar | Vertical or horizontal scroll bar
TQScrollView | Scrolling area with on-demand scroll bars
TQSemaphore | Robust integer semaphore
TQServerSocket | TCP-based server
TQSessionManager | Access to the session manager
TQSettings | Persistent platform-independent application settings
TQShowEvent | Event which is sent when a widget is shown
TQSignal | Can be used to send signals for classes that don't inherit TQObject
TQSignalMapper | Bundles signals from identifiable senders
TQSimpleRichText | Small displayable piece of rich text
TQSize | Defines the size of a two-dimensional object
TQSizeGrip | Corner-grip for resizing a top-level window
TQSizePolicy | Layout attribute describing horizontal and vertical resizing policy
TQSjisCodec | Conversion to and from Shift-JIS
TQSlider | Vertical or horizontal slider
TQSocket | Buffered TCP connection
TQSocketDevice | Platform-independent low-level socket API
TQSocketNotifier | Support for socket callbacks
TQSound | Access to the platform audio facilities
TQSpacerItem | Blank space in a layout
TQSpinBox | Spin box widget (spin button)
TQSplashScreen | Splash screen that can be shown during application startup
TQSplitter | Implements a splitter widget
TQSql | Namespace for TQt SQL identifiers that need to be global-like
TQSqlCursor | Browsing and editing of SQL tables and views
TQSqlDatabase | Used to create SQL database connections and to provide transaction handling
TQSqlDriver | Abstract base class for accessing SQL databases
TQSqlDriverPlugin | Abstract base for custom TQSqlDriver plugins
TQSqlEditorFactory | Used to create the editors used by TQDataTable and TQSqlForm
TQSqlError | SQL database error information
TQSqlField | Manipulates the fields in SQL database tables and views
TQSqlFieldInfo | Stores meta data associated with a SQL field
TQSqlForm | Creates and manages data entry forms tied to SQL databases
TQSqlIndex | Functions to manipulate and describe TQSqlCursor and TQSqlDatabase indexes
TQSqlPropertyMap | Used to map widgets to SQL fields
TQSqlQuery | Means of executing and manipulating SQL statements
TQSqlRecord | Encapsulates a database record, i.e. a set of database fields
TQSqlRecordInfo | Encapsulates a set of database field meta data
TQSqlResult | Abstract interface for accessing data from SQL databases
TQSqlSelectCursor | Browsing of general SQL SELECT statements
TQStatusBar | Horizontal bar suitable for presenting status information
TQStoredDrag | Simple stored-value drag object for arbitrary MIME data
TQStrIList | Doubly-linked list of char* with case-insensitive comparison
TQStrList | Doubly-linked list of char*
TQStrListIterator | Iterator for the TQStrList and TQStrIList classes
TQString | Abstraction of Unicode text and the classic C '\0'-terminated char array
TQStringList | List of strings
TQStyle | The look and feel of a GUI
TQStyleFactory | Creates TQStyle objects
TQStyleOption | Optional parameters for TQStyle functions
TQStylePlugin | Abstract base for custom TQStyle plugins
TQStyleSheet | Collection of styles for rich text rendering and a generator of tags
TQStyleSheetItem | Encapsulation of a set of text styles
TQSyntaxHighlighter | Base class for implementing TQTextEdit syntax highlighters
TQTab | The structures in a TQTabBar
TQTabBar | Tab bar, e.g. for use in tabbed dialogs
TQTabDialog | Stack of tabbed widgets
TQTabWidget | Stack of tabbed widgets
TQTable | Flexible editable table widget
TQTableItem | The cell content for TQTable cells
TQTableSelection | Access to a selected area in a TQTable
TQTabletEvent | Parameters that describe a Tablet event
TQTextBrowser | Rich text browser with hypertext navigation
TQTextCodec | Conversion between text encodings
TQTextCodecPlugin | Abstract base for custom TQTextCodec plugins
TQTextDecoder | State-based decoder
TQTextDrag | Drag and drop object for transferring plain and Unicode text
TQTextEdit | Powerful single-page rich text editor
TQTextEncoder | State-based encoder
TQTextIStream | Convenience class for input streams
TQTextOStream | Convenience class for output streams
TQTextStream | Basic functions for reading and writing text using a TQIODevice
TQThread | Platform-independent threads
TQThreadStorage | Per-thread data storage
TQTime | Clock time functions
TQTimeEdit | Time editor
TQTimer | Timer signals and single-shot timers
TQTimerEvent | Parameters that describe a timer event
TQToolBar | Movable panel containing widgets such as tool buttons
TQToolBox | Column of tabbed widget items
TQToolButton | Quick-access button to commands or options, usually used inside a TQToolBar
TQToolTip | Tool tips (balloon help) for any widget or rectangular part of a widget
TQToolTipGroup | Collects tool tips into related groups
TQTranslator | Internationalization support for text output
TQTranslatorMessage | Translator message and its properties
TQTsciiCodec | Conversion to and from the Tamil TSCII encoding
TQUriDrag | Drag object for a list of URI references
TQUrl | URL parser and simplifies working with URLs
TQUrlInfo | Stores information about URLs
TQUrlOperator | Common operations on URLs
TQUuid | Defines a Universally Unique Identifier (UUID)
TQVBox | Vertical geometry management of its child widgets
TQVBoxLayout | Lines up widgets vertically
TQVButtonGroup | Organizes TQButton widgets in a vertical column
TQVGroupBox | Organizes a group of widgets in a vertical column
TQValidator | Validation of input text
TQValueList | Value-based template class that provides lists
TQValueListConstIterator | Const iterator for TQValueList
TQValueListIterator | Iterator for TQValueList
TQValueStack | Value-based template class that provides a stack
TQValueVector | Value-based template class that provides a dynamic array
TQVariant | Acts like a union for the most common TQt data types
TQWMatrix | 2D transformations of a coordinate system
TQWSDecoration | Allows the appearance of the TQt/Embedded Window Manager to be customized
TQWSInputMethod | International input methods for TQt/Embedded
TQWSKeyboardHandler | Implements the keyboard driver for TQt/Embedded
TQWSMouseHandler | Mouse driver for TQt/Embedded
TQWSServer | Server-specific functionality in TQt/Embedded
TQWSWindow | Server-specific functionality in TQt/Embedded
TQWaitCondition | Allows waiting/waking for conditions between threads
TQWhatsThis | Simple description of any widget, i.e. answering the question "What's this?"
TQWheelEvent | Parameters that describe a wheel event
TQWidget | The base class of all user interface objects
TQWidgetFactory | For the dynamic creation of widgets from TQt Designer .ui files
TQWidgetItem | Layout item that represents a widget
TQWidgetPlugin | Abstract base for custom TQWidget plugins
TQWidgetStack | Stack of widgets of which only the top widget is user-visible
TQWindowsMime | Maps open-standard MIME to Window Clipboard formats
TQWindowsStyle | Microsoft Windows-like look and feel
TQWizard | Framework for wizard dialogs
TQWorkspace | Workspace window that can contain decorated windows, e.g. for MDI
TQXmlAttributes | XML attributes
TQXmlContentHandler | Interface to report the logical content of XML data
TQXmlDTDHandler | Interface to report DTD content of XML data
TQXmlDeclHandler | Interface to report declaration content of XML data
TQXmlDefaultHandler | Default implementation of all the XML handler classes
TQXmlEntityResolver | Interface to resolve external entities contained in XML data
TQXmlErrorHandler | Interface to report errors in XML data
TQXmlInputSource | The input data for the TQXmlReader subclasses
TQXmlLexicalHandler | Interface to report the lexical content of XML data
TQXmlLocator | The XML handler classes with information about the parsing position within a file
TQXmlNamespaceSupport | Helper class for XML readers which want to include namespace support
TQXmlParseException | Used to report errors with the TQXmlErrorHandler interface
TQXmlReader | Interface for XML readers (i.e. parsers)
TQXmlSimpleReader | Implementation of a simple XML reader (parser)
TQt | Namespace for miscellaneous identifiers that need to be global-like