<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html><head><title>QSysInfo Class Reference</title><style>h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } td.postheader { font-family: sans-serif } tr.address { font-family: sans-serif } body { background: #ffffff; color: black; } </style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr /><td align="left" valign="top" width="32"><img align="left" border="0" height="32" src="images/rb-logo.png" width="32" /></td><td width="1">  </td><td class="postheader" valign="center"><a href="../pyqt4ref.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a></td></table><h1 align="center">QSysInfo Class Reference<br /><sup><sup>[<a href="qtcore.html">QtCore</a> module]</sup></sup></h1><p>The QSysInfo class provides information about the system. <a href="#details">More...</a></p> <h3>Types</h3><ul><li><div class="fn" />enum <b><a href="qsysinfo.html#Endian-enum">Endian</a></b> { BigEndian, LittleEndian, ByteOrder }</li><li><div class="fn" />enum <b><a href="qsysinfo.html#Sizes-enum">Sizes</a></b> { WordSize }</li></ul><h3>Methods</h3><ul><li><div class="fn" /><b><a href="qsysinfo.html#QSysInfo">__init__</a></b> (<i>self</i>)</li><li><div class="fn" /><b><a href="qsysinfo.html#QSysInfo-2">__init__</a></b> (<i>self</i>, QSysInfo)</li></ul><a name="details" /><hr /><h2>Detailed Description</h2><p>The QSysInfo class provides information about the system.</p> <ul> <li><a href="qsysinfo.html#Sizes-enum">WordSize</a> specifies the size of a pointer for the platform on which the application is compiled.</li> <li><a href="qsysinfo.html#Endian-enum">ByteOrder</a> specifies whether the platform is big-endian or little-endian.</li> <li><a href="qsysinfo.html#WindowsVersion-var">WindowsVersion</a> specifies the version of the Windows operating system on which the application is run (Windows only)</li> <li><a href="qsysinfo.html#MacintoshVersion-var">MacintoshVersion</a> specifies the version of the Macintosh operating system on which the application is run (Mac only).</li> </ul> <p>Some constants are defined only on certain platforms. You can use the preprocessor symbols <a href="qtcore.html#Q_WS_WIN">Q_WS_WIN</a> and <a href="qtcore.html#Q_WS_MAC">Q_WS_MAC</a> to test that the application is compiled under Windows or Mac.</p> <p>See also <a href="qlibraryinfo.html">QLibraryInfo</a>.</p> <hr /><h2>Type Documentation</h2><h3 class="fn"><a name="Endian-enum" />QSysInfo.Endian</h3><p><table border="1" cellpadding="2" cellspacing="1" class="valuelist" width="100%"> <tr><th width="25%">Constant</th><th width="15%">Value</th><th width="60%">Description</th></tr> <tr><td valign="top"><tt>QSysInfo.BigEndian</tt></td><td align="center" valign="top"><tt>0</tt></td><td valign="top">Big-endian byte order (also called Network byte order)</td></tr> <tr><td valign="top"><tt>QSysInfo.LittleEndian</tt></td><td align="center" valign="top"><tt>1</tt></td><td valign="top">Little-endian byte order</td></tr> <tr><td valign="top"><tt>QSysInfo.ByteOrder</tt></td><td align="center" valign="top"><tt><platform-dependent></tt></td><td valign="top">Equals BigEndian or LittleEndian, depending on the platform's byte order.</td></tr> </table></p> <a name="//apple_ref/cpp/tag/QSysInfo/MacVersion" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_9" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_0" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_1" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_2" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_3" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_4" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_5" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_10_6" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_Unknown" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_CHEETAH" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_PUMA" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_JAGUAR" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_PANTHER" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_TIGER" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_LEOPARD" /> <a name="//apple_ref/cpp/econst/QSysInfo/MV_SNOWLEOPARD" /> <h3 class="fn"><a name="Sizes-enum" />QSysInfo.Sizes</h3><p>This enum provides platform-specific information about the sizes of data structures used by the underlying architecture.</p> <p><table border="1" cellpadding="2" cellspacing="1" class="valuelist" width="100%"> <tr><th width="25%">Constant</th><th width="15%">Value</th><th width="60%">Description</th></tr> <tr><td valign="top"><tt>QSysInfo.WordSize</tt></td><td align="center" valign="top"><tt>( sizeof( void * ) <<3 )</tt></td><td valign="top">The size in bits of a pointer for the platform on which the application is compiled (32 or 64).</td></tr> </table></p> <a name="//apple_ref/cpp/tag/QSysInfo/SymbianVersion" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_9_2" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_9_3" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_9_4" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_SF_1" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_SF_2" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_SF_3" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_SF_4" /> <a name="//apple_ref/cpp/econst/QSysInfo/SV_Unknown" /> <hr /><h2>Method Documentation</h2><h3 class="fn"><a name="QSysInfo" />QSysInfo.__init__ (<i>self</i>)</h3><h3 class="fn"><a name="QSysInfo-2" />QSysInfo.__init__ (<i>self</i>, <a href="qsysinfo.html">QSysInfo</a>)</h3><address><hr /><div align="center"><table border="0" cellspacing="0" width="100%"><tr class="address"><td align="left" width="25%">PyQt 4.7.4 for X11</td><td align="center" width="50%">Copyright © <a href="http://www.riverbankcomputing.com">Riverbank Computing Ltd</a> and <a href="http://www.qtsoftware.com">Nokia</a> 2010</td><td align="right" width="25%">Qt 4.6.3</td></tr></table></div></address></body></html>