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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 - Windowsystem-specific Notes</title><style type="text/css"><!--
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<h1 align=center> Windowsystem-specific Notes</h1><br clear="all">
Qt is a cross-platform GUI toolkit, so almost the entire API is the
same on all platforms and windowsystems. However some development tasks
may require you to write small windowsystem-specific tasks.
This page documents the windowsystem-specific parts of the Qt API.
Note that any use of these features renders your application non-portable
to other Qt-supported windowsystems, so protect such code with appropriate
"#ifdef" directives (see below), preferably with code for each platform to which
you wish to retain portability.
<p>
For information about which platforms are supported by Qt, see the
<a href="http://www.trolltech.com/products/platforms/">Platform Notes</a>.
<p>
<a name=x11>
<h2>Qt/X11</h2>
</a>
<p>
When compiling for this platform, the macro <tt>_WS_X11_</tt> is defined.
<p>
<i>Not documented here. Please contact Trolltech Technical Support
if you have queries.</i>
<p>
<a name=win>
<h2>Qt/Windows</h2>
</a>
<p>
When compiling for this platform, the macro <tt>_WS_WIN_</tt> is defined.
<p>
<i>Not documented here. Please contact Trolltech Technical Support
if you have queries.</i>
<p>
<a name=qws>
<h2>Qt/Embedded</h2>
</a>
<p>
When compiling for this platform, the macro <tt>_WS_QWS_</tt> is defined
(the window system is literally the Qt Window System).
<p>
<ul>
<li><a href=install-qws.html>Installation</a>
<li><a href=running-qws.html>Running Qt/Embedded applications</a>
<li><a href=porting-qws.html>Porting your applications to Qt/Embedded</a>
<li><a href=fonts-qws.html>Font formats and definitions</a>
<li><a href=charinput-qws.html>Character input (keyboard, pen, ...)</a>
<li><a href=pointer-qws.html>Pointer handling (mouse, pen, ...)</a>
<li><a href=features.html>Reduce memory use with the feature definition file</a>
<li><a href=casestudy-qws.html>A case study embedding on Cassiopeia</a>
</ul>
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