<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <!-- /tmp/qt-4.2.1-harald-1161357942206/qt-x11-opensource-src-4.2.1/src/qt3support/dialogs/q3filedialog.cpp --> <head> <title>Qt 4.2: Q3FileIconProvider Class Reference</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">Q3FileIconProvider Class Reference<br /><sup><sup>[<a href="qt3support.html">Qt3Support</a> module]</sup></sup></h1> <p>The Q3FileIconProvider class provides icons for <a href="q3filedialog.html">Q3FileDialog</a> to use. <a href="#details">More...</a></p> <pre> #include <Q3FileIconProvider></pre><p><b>This class is part of the Qt 3 support library.</b> It is provided to keep old source code working. We strongly advise against using it in new code. See <a href="porting4.html">Porting to Qt 4</a> for more information.</p> <p>Inherits <a href="qobject.html">QObject</a>.</p> <ul> <li><a href="q3fileiconprovider-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h3>Public Functions</h3> <ul> <li><div class="fn"/><b><a href="q3fileiconprovider.html#Q3FileIconProvider">Q3FileIconProvider</a></b> ( QObject * <i>parent</i> = 0, const char * <i>name</i> = 0 )</li> <li><div class="fn"/>virtual const QPixmap * <b><a href="q3fileiconprovider.html#pixmap">pixmap</a></b> ( const QFileInfo & <i>info</i> )</li> </ul> <ul> <li><div class="fn"/>29 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li><div class="fn"/>1 property inherited from <a href="qobject.html#properties">QObject</a></li> <li><div class="fn"/>1 public slot inherited from <a href="qobject.html#public-slots">QObject</a></li> <li><div class="fn"/>1 signal inherited from <a href="qobject.html#signals">QObject</a></li> <li><div class="fn"/>5 static public members inherited from <a href="qobject.html#static-public-members">QObject</a></li> <li><div class="fn"/>7 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li> </ul> <a name="details"></a> <hr /> <h2>Detailed Description</h2> <p>The Q3FileIconProvider class provides icons for <a href="q3filedialog.html">Q3FileDialog</a> to use.</p> <p>By default Q3FileIconProvider is not used, but any application or library can subclass it, reimplement <a href="q3fileiconprovider.html#pixmap">pixmap</a>() to return a suitable icon, and make all <a href="q3filedialog.html">Q3FileDialog</a> objects use it by calling the static function <a href="q3filedialog.html#setIconProvider">Q3FileDialog::setIconProvider</a>().</p> <p>It is advisable to make all the icons that Q3FileIconProvider returns be the same size or at least the same width. This makes the list view look much better.</p> <p>See also <a href="q3filedialog.html">Q3FileDialog</a>.</p> <hr /> <h2>Member Function Documentation</h2> <h3 class="fn"><a name="Q3FileIconProvider"></a>Q3FileIconProvider::Q3FileIconProvider ( <a href="qobject.html">QObject</a> * <i>parent</i> = 0, const char * <i>name</i> = 0 )</h3> <p>Constructs an empty file icon provider called <i>name</i>, with the parent <i>parent</i>.</p> <h3 class="fn"><a name="pixmap"></a>const <a href="qpixmap.html">QPixmap</a> * Q3FileIconProvider::pixmap ( const <a href="qfileinfo.html">QFileInfo</a> & <i>info</i> ) <tt> [virtual]</tt></h3> <p>Returns a pointer to a pixmap that should be used to signify the file with the information <i>info</i>.</p> <p>If pixmap() returns 0, <a href="q3filedialog.html">Q3FileDialog</a> draws the default pixmap.</p> <p>The default implementation returns particular icons for files, directories, link-files and link-directories. It returns a blank "icon" for other types.</p> <p>If you return a pixmap here, it should measure 16x16 pixels.</p> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2006 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.2.1</div></td> </tr></table></div></address></body> </html>