<?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"> <!-- qdbusconnection.cpp --> <head> <title>Qt 4.6: QDBus Namespace 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://qt.nokia.com/"><img src="images/qt-logo.png" align="left" 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="functions.html"><font color="#004faf">All Functions</font></a> · <a href="overviews.html"><font color="#004faf">Overviews</font></a></td></tr></table><h1 class="title">QDBus Namespace Reference<br /><span class="small-subtitle">[<a href="qtdbus.html">QtDBus</a> module]</span> </h1> <p>The QDBus namespace contains miscellaneous identifiers used throughout the <a href="qtdbus.html">QtDBus</a> library. <a href="#details">More...</a></p> <pre> #include <QDBus></pre><ul> </ul> <hr /> <a name="types"></a> <h2>Types</h2> <table class="alignedsummary" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><b><a href="qdbus.html#CallMode-enum">CallMode</a></b> { NoBlock, Block, BlockWithGui, AutoDetect }</td></tr> </table> <a name="details"></a> <hr /> <h2>Detailed Description</h2> <p>The QDBus namespace contains miscellaneous identifiers used throughout the <a href="qtdbus.html">QtDBus</a> library.</p> <hr /> <h2>Type Documentation</h2> <a name="//apple_ref/cpp/tag/QDBus/CallMode"></a> <a name="//apple_ref/cpp/econst/QDBus/NoBlock"></a> <a name="//apple_ref/cpp/econst/QDBus/Block"></a> <a name="//apple_ref/cpp/econst/QDBus/BlockWithGui"></a> <a name="//apple_ref/cpp/econst/QDBus/AutoDetect"></a> <h3 class="fn"><a name="CallMode-enum"></a>enum QDBus::CallMode</h3> <p>This enum describes the various ways of placing a function call. The valid modes are:</p> <p><table class="valuelist" border="1" cellpadding="2" cellspacing="1" width="100%"> <tr><th width="25%">Constant</th><th width="15%">Value</th><th width="60%">Description</th></tr> <tr><td valign="top"><tt>QDBus::NoBlock</tt></td><td align="center" valign="top"><tt>0</tt></td><td valign="top">Place the call but don't wait for the reply (the reply's contents will be discarded).</td></tr> <tr><td valign="top"><tt>QDBus::Block</tt></td><td align="center" valign="top"><tt>1</tt></td><td valign="top">Don't use an event loop to wait for a reply, but instead block on network operations while waiting. This means the user-interface may not be updated until the function returns.</td></tr> <tr><td valign="top"><tt>QDBus::BlockWithGui</tt></td><td align="center" valign="top"><tt>2</tt></td><td valign="top">Use the Qt event loop to wait for a reply. This means that the user-interface will stay responsive (processing input events), but it also means other events may happen, like signal delivery and other D-Bus method calls.</td></tr> <tr><td valign="top"><tt>QDBus::AutoDetect</tt></td><td align="center" valign="top"><tt>3</tt></td><td valign="top">Automatically detect if the called function has a reply.</td></tr> </table></p> <p>When using BlockWithGui, applications must be prepared for reentrancy in any function.</p> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="40%" align="left">Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies)</td> <td width="20%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="40%" align="right"><div align="right">Qt 4.6.3</div></td> </tr></table></div></address></body> </html>