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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - Annotated Class Index</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><p><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align="center"> Annotated Class Index</h1><br clear="all"><p>Here are the classes in Qt, with brief descriptions:<p><table> <tr bgcolor=#f0f0f0><td><b><a href="qaccel.html">QAccel</a></b></td><td>Handles keyboard accelerator and shortcut keys</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qaction.html">QAction</a></b></td><td>Abstracts a user interface action that can appear both in menus and tool bars</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qactiongroup.html">QActionGroup</a></b></td><td>Combines actions to a group</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qapplication.html">QApplication</a></b></td><td>Manages the GUI application's control flow and main settings</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qarray.html">QArray</a></b></td><td>Template class that provides arrays of simple types</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qasciicache.html">QAsciiCache</a></b></td><td>Template class that provides a cache based on <code>char*</code> keys</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qasciicacheiterator.html">QAsciiCacheIterator</a></b></td><td>Iterator for <a href="qasciicache.html">QAsciiCache</a> collections</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qasciidict.html">QAsciiDict</a></b></td><td>Template class that provides a dictionary based on <code>char*</code> keys</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qasciidictiterator.html">QAsciiDictIterator</a></b></td><td>Iterator for <a href="qasciidict.html">QAsciiDict</a> collections</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qasyncio.html">QAsyncIO</a></b></td><td>Encapsulates I/O asynchronicity</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbitarray.html">QBitArray</a></b></td><td>Array of bits</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbitmap.html">QBitmap</a></b></td><td>Monochrome (1 bit depth) pixmaps</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbitval.html">QBitVal</a></b></td><td>Internal class, used with <a href="qbitarray.html">QBitArray</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qboxlayout.html">QBoxLayout</a></b></td><td>Lines up child widgets horizontally or vertically</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbrush.html">QBrush</a></b></td><td>Defines the fill pattern of shapes drawn by a <a href="qpainter.html">QPainter</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbuffer.html">QBuffer</a></b></td><td>I/O device that operates on a <a href="qbytearray.html">QByteArray</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbutton.html">QButton</a></b></td><td>The abstract base class of button widgets, providing functionality common to buttons</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbuttongroup.html">QButtonGroup</a></b></td><td>Organizes <a href="qbutton.html">QButton</a> widgets in a group</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qbytearray.html">QByteArray</a></b></td><td>Array of bytes</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcache.html">QCache</a></b></td><td>Template class that provides a cache based on <code><a href="qstring.html">QString</a></code> keys</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcacheiterator.html">QCacheIterator</a></b></td><td>Iterator for <a href="qcache.html">QCache</a> collections</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvas.html">QCanvas</a></b></td><td>2D graphic area upon which <a href="qcanvasitem.html">QCanvasItem</a> objects exist</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvasellipse.html">QCanvasEllipse</a></b></td><td>An ellipse with a movable center point</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvasitem.html">QCanvasItem</a></b></td><td>The QCanvasItem is an abstract graphic object on a <a href="qcanvas.html">QCanvas</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvasline.html">QCanvasLine</a></b></td><td>A lines on a canvas</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvaspixmap.html">QCanvasPixmap</a></b></td><td>Pixmap with an offset</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvaspixmaparray.html">QCanvasPixmapArray</a></b></td><td>An array of <a href="qcanvaspixmap.html">QCanvasPixmap</a> to have multiple frames for animation</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvaspolygon.html">QCanvasPolygon</a></b></td><td>A polygon with a movable reference point</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvaspolygonalitem.html">QCanvasPolygonalItem</a></b></td><td>A <a href="qcanvasitem.html">QCanvasItem</a> which renders itself in a polygonal area</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvasrectangle.html">QCanvasRectangle</a></b></td><td>A rectangle with a movable top-left point</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvassprite.html">QCanvasSprite</a></b></td><td>Animated moving pixmap on a <a href="qcanvas.html">QCanvas</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvastext.html">QCanvasText</a></b></td><td>A text object on a <a href="qcanvas.html">QCanvas</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcanvasview.html">QCanvasView</a></b></td><td>A <a href="qwidget.html">QWidget</a> which views a <a href="qcanvas.html">QCanvas</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcdestyle.html">QCDEStyle</a></b></td><td>CDE Look and Feel</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qchar.html">QChar</a></b></td><td>Light-weight Unicode character</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcharref.html">QCharRef</a></b></td><td>Helper class for <a href="qstring.html">QString</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcheckbox.html">QCheckBox</a></b></td><td>Check box with a text label</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qchecklistitem.html">QCheckListItem</a></b></td><td>Implements checkable list view items</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qchildevent.html">QChildEvent</a></b></td><td>Event parameters for child object events</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qclipboard.html">QClipboard</a></b></td><td>Access to the window system clipboard</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcloseevent.html">QCloseEvent</a></b></td><td>Parameters that describe a close event</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcollection.html">QCollection</a></b></td><td>The base class of all Qt collections</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcolor.html">QColor</a></b></td><td>Colors based on RGB</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcolordialog.html">QColorDialog</a></b></td><td>Dialog widget for specifying colors</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcolordrag.html">QColorDrag</a></b></td><td>Drag-and-drop object for transferring colors</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcolorgroup.html">QColorGroup</a></b></td><td>Group of widget colors</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcombobox.html">QComboBox</a></b></td><td>Combined button and popup list</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcommonstyle.html">QCommonStyle</a></b></td><td>Encapsulates common Look and Feel of a GUI</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qconststring.html">QConstString</a></b></td><td><a href="qstring.html">QString</a> which uses constant Unicode data</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcopchannel.html">QCopChannel</a></b></td><td>This class provides communication capabilities between several clients</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcstring.html">QCString</a></b></td><td>Abstraction of the classic C zero-terminated char array (<var>char*</var>)</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcursor.html">QCursor</a></b></td><td>Mouse cursor with an arbitrary shape</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcustomevent.html">QCustomEvent</a></b></td><td>Support for custom events</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qcustommenuitem.html">QCustomMenuItem</a></b></td><td>Abstract base class for custom menu items in popup menus</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdatapump.html">QDataPump</a></b></td><td>Moves data from a <a href="qdatasource.html">QDataSource</a> to a <a href="qdatasink.html">QDataSink</a> during event processing</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdatasink.html">QDataSink</a></b></td><td>Asynchronous consumer of data</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdatasource.html">QDataSource</a></b></td><td>Asynchronous producer of data</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdatastream.html">QDataStream</a></b></td><td>Serialization of binary data to a <a href="qiodevice.html">QIODevice</a></td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdate.html">QDate</a></b></td><td>Date functions</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdatetime.html">QDateTime</a></b></td><td>Date and time functions</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdial.html">QDial</a></b></td><td>Rounded rangecontrol (like a speedometer or potentiometer)</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdialog.html">QDialog</a></b></td><td>The base class of dialog windows</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdict.html">QDict</a></b></td><td>Template class that provides a dictionary based on <code><a href="qstring.html">QString</a></code> keys</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdictiterator.html">QDictIterator</a></b></td><td>Iterator for <a href="qdict.html">QDict</a> collections</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdir.html">QDir</a></b></td><td>Traverses directory structures and contents in a platform-independent way</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdns.html">QDns</a></b></td><td>Asynchronous DNS lookups</td></tr> <tr bgcolor=#f0f0f0><td><b><a href="qdomattr.html">QDomAttr</a></b></td><td>Represents one attribute of a <a 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