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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<!-- qabstractsocket.cpp -->
  <title>Qt 4.8: Qt 3 Support Members for QAbstractSocket</title>
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    <a href="index.html" class="qtref"><span>Qt Reference Documentation</span></a>
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<h1 class="title">Qt 3 Support Members for QAbstractSocket</h1>
<p><b>The following class members are part of the <a href="qt3support.html">Qt 3 support layer</a>.</b> They are provided to help you port old code to Qt 4. We advise against using them in new code.</p>
<p><ul><li><a href="qabstractsocket.html">QAbstractSocket class reference</a></li></ul></p>
<h2>Public Types</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#Error-enum">Error</a></b> { ErrConnectionRefused, ErrHostNotFound, ErrSocketRead }</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#State-typedef">State</a></b></td></tr>
</table>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#setSocket">setSocket</a></b> ( int <i>socket</i> )</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#socket">socket</a></b> () const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> qulonglong </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#waitForMore">waitForMore</a></b> ( int <i>msecs</i>, bool * <i>timeout</i> = 0 ) const</td></tr>
</table>
<ul>
<li class="fn">22 public functions inherited from <a href="qiodevice.html#public-functions">QIODevice</a></li>
<li class="fn">8 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li>
</ul>
<h2>Signals</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#connectionClosed">connectionClosed</a></b> ()</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qabstractsocket-qt3.html#delayedCloseFinished">delayedCloseFinished</a></b> ()</td></tr>
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<h2>Member Type Documentation</h2>
<!-- $$$Error$$$ErrConnectionRefused$$$ErrHostNotFound$$$ErrSocketRead -->
<h3 class="fn"><a name="Error-enum"></a>enum QAbstractSocket::<span class="name">Error</span></h3>
<p>Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::SocketError</a> instead.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QAbstractSocket::ErrConnectionRefused</tt></td><td class="topAlign"><tt>ConnectionRefusedError</tt></td><td class="topAlign">Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::ConnectionRefusedError</a> instead.</td></tr>
<tr><td class="topAlign"><tt>QAbstractSocket::ErrHostNotFound</tt></td><td class="topAlign"><tt>HostNotFoundError</tt></td><td class="topAlign">Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::HostNotFoundError</a> instead.</td></tr>
<tr><td class="topAlign"><tt>QAbstractSocket::ErrSocketRead</tt></td><td class="topAlign"><tt>UnknownSocketError</tt></td><td class="topAlign">Use <a href="qabstractsocket.html#SocketError-enum">QAbstractSocket::UnknownSocketError</a> instead.</td></tr>
</table>
<!-- @@@Error -->
<!-- $$$State -->
<h3 class="fn"><a name="State-typedef"></a>typedef QAbstractSocket::<span class="name">State</span></h3>
<p>Use <a href="qabstractsocket.html#SocketState-enum">QAbstractSocket::SocketState</a> instead.</p>
<table class="generic">
<thead><tr class="qt-style"><th >Qt 3 enum value</th><th >Qt 4 enum value</th></tr></thead>
<tr valign="top" class="odd"><td ><tt>Idle</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">UnconnectedState</a></td></tr>
<tr valign="top" class="even"><td ><tt>HostLookup</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">HostLookupState</a></td></tr>
<tr valign="top" class="odd"><td ><tt>Connecting</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ConnectingState</a></td></tr>
<tr valign="top" class="even"><td ><tt>Connected</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ConnectedState</a></td></tr>
<tr valign="top" class="odd"><td ><tt>Closing</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ClosingState</a></td></tr>
<tr valign="top" class="even"><td ><tt>Connection</tt></td><td ><a href="qabstractsocket.html#SocketState-enum">ConnectedState</a></td></tr>
</table>
<!-- @@@State -->
<h2>Member Function Documentation</h2>
<!-- $$$connectionClosed[overload1]$$$connectionClosed -->
<h3 class="fn"><a name="connectionClosed"></a><span class="type">void</span> QAbstractSocket::<span class="name">connectionClosed</span> ()<tt> [signal]</tt></h3>
<p>Use <a href="qabstractsocket.html#disconnected">disconnected</a>() instead.</p>
<!-- @@@connectionClosed -->
<!-- $$$delayedCloseFinished[overload1]$$$delayedCloseFinished -->
<h3 class="fn"><a name="delayedCloseFinished"></a><span class="type">void</span> QAbstractSocket::<span class="name">delayedCloseFinished</span> ()<tt> [signal]</tt></h3>
<p>Use <a href="qabstractsocket.html#disconnected">disconnected</a>() instead.</p>
<!-- @@@delayedCloseFinished -->
<!-- $$$setSocket[overload1]$$$setSocketint -->
<h3 class="fn"><a name="setSocket"></a><span class="type">void</span> QAbstractSocket::<span class="name">setSocket</span> ( <span class="type">int</span> <i>socket</i> )</h3>
<p>Use <a href="qabstractsocket.html#setSocketDescriptor">setSocketDescriptor</a>() instead.</p>
<p><b>See also </b><a href="qabstractsocket-qt3.html#socket">socket</a>().</p>
<!-- @@@setSocket -->
<!-- $$$socket[overload1]$$$socket -->
<h3 class="fn"><a name="socket"></a><span class="type">int</span> QAbstractSocket::<span class="name">socket</span> () const</h3>
<p>Use <a href="qabstractsocket.html#socketDescriptor">socketDescriptor</a>() instead.</p>
<p><b>See also </b><a href="qabstractsocket-qt3.html#setSocket">setSocket</a>().</p>
<!-- @@@socket -->
<!-- $$$waitForMore[overload1]$$$waitForMoreintbool* -->
<h3 class="fn"><a name="waitForMore"></a><span class="type"><a href="qtglobal.html#qulonglong-typedef">qulonglong</a></span> QAbstractSocket::<span class="name">waitForMore</span> ( <span class="type">int</span> <i>msecs</i>, <span class="type">bool</span> * <i>timeout</i> = 0 ) const</h3>
<p>Use <a href="qabstractsocket.html#waitForReadyRead">waitForReadyRead</a>() instead.</p>
<p>For example, if you have code like</p>
<pre class="cpp"> bool timeout;
 Q_ULONG numBytes = socket-&gt;waitForMore(30000, &amp;timeout);</pre>
<p>you can rewrite it as</p>
<pre class="cpp"> <span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> numBytes <span class="operator">=</span> <span class="number">0</span>;
 <span class="keyword">if</span> (socket<span class="operator">-</span><span class="operator">&gt;</span>waitForReadyRead(msecs))
     numBytes <span class="operator">=</span> socket<span class="operator">-</span><span class="operator">&gt;</span><a href="qabstractsocket.html#bytesAvailable">bytesAvailable</a>();
 <span class="type">bool</span> timeout <span class="operator">=</span> (error() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qabstractsocket.html">QAbstractSocket</a></span><span class="operator">::</span>SocketTimeoutError);</pre>
<p><b>See also </b><a href="qabstractsocket.html#waitForReadyRead">waitForReadyRead</a>(), <a href="qabstractsocket.html#bytesAvailable">bytesAvailable</a>(), <a href="qabstractsocket.html#error">error</a>(), and <a href="qabstractsocket.html#SocketError-enum">SocketTimeoutError</a>.</p>
<!-- @@@waitForMore -->
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