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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/emb-porting.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/emb-porting.html')
| -rw-r--r-- | doc/html/emb-porting.html | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/doc/html/emb-porting.html b/doc/html/emb-porting.html new file mode 100644 index 0000000..38d0fb3 --- /dev/null +++ b/doc/html/emb-porting.html @@ -0,0 +1,64 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/qws.doc:452 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Porting your applications to Qt/Embedded</title> +<style type="text/css"><!-- +fn { margin-left: 1cm; text-indent: -1cm; } +a:link { color: #004faf; text-decoration: none } +a:visited { color: #672967; text-decoration: none } +body { background: #ffffff; color: black; } +--></style> +</head> +<body> + +<table border="0" cellpadding="0" cellspacing="0" width="100%"> +<tr bgcolor="#E5E5E5"> +<td 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="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</font></a> +</td> +<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Porting your applications to Qt/Embedded</h1> + + +<p> Existing Qt applications should require no porting provided there is no +platform dependent code. 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/disable code for each platform +using <tt>#ifdef</tt> directives: +<p> <center><table cellpadding="4" cellspacing="2" border="0"> +<tr bgcolor="#a2c511"> <th valign="top">Platform <th valign="top">Macro +<tr bgcolor="#f0f0f0"> <td valign="top">Qt/X11 <td valign="top">Q_WS_X11 +<tr bgcolor="#d0d0d0"> <td valign="top">Qt/Windows <td valign="top">Q_WS_WIN +<tr bgcolor="#f0f0f0"> <td valign="top">Qt/Embedded <td valign="top">Q_WS_QWS +</table></center> +<p> Qt/Embedded also requires the following flags to be defined when compiling +applications: +<pre> +-DQWS -fno-exceptions -fno-rtti +</pre> + +<p> Exceptions and RTTI are disabled in Qt/Embedded because they incur a large +overhead in both size and speed. + +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |