<?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/doc/src/emb-differences.qdoc --> <head> <title>Qt 4.2: Porting Applications to Qtopia Core</title> <link rel="contents" href="qtopiacore.html" /> <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><p> [<a href="qtopiacore.html">Contents</a>] </p> <h1 align="center">Porting Applications to Qtopia Core<br /><small></small></h1> <p>Existing Qt applications should require no porting provided there is no platform dependent code.</p> <p><table width="100%" align="center" cellpadding="2" cellspacing="1" border="0"> <thead><tr valign="top" class="qt-style"><th>Platform Dependent Code</th></tr></thead> <tr valign="top" class="odd"><td>Platform dependent code includes system calls, calls to the underlying window system (Windows or X11), and Qt platform specific methods such as <a href="qapplication.html#x11EventFilter">QApplication::x11EventFilter</a>().<p>For cases where it is necessary to use platform dependent code there are macros defined that can be used to enable and disable code for each platform using <tt>#ifdef</tt> directives:</p> <ul> <li>Qtopia Core: <a href="qtglobal.html#Q_WS_QWS">Q_WS_QWS</a></li> <li>Qt/Mac: <a href="qtglobal.html#Q_WS_MAC">Q_WS_MAC</a></li> <li>Qt/Windows: <a href="qtglobal.html#Q_WS_WIN">Q_WS_WIN</a></li> <li>Qt/X11: <a href="qtglobal.html#Q_WS_X11">Q_WS_X11</a></li> </ul> </td></tr> </table></p> <p> [<a href="qtopiacore.html">Contents</a>] </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>