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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<div class="title">/home/koen/project/wt/public-git/wt/examples/simplechat/SimpleChatWidget.C</div>  </div>
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<a href="SimpleChatWidget_8C.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2008 Emweb bvba, Heverlee, Belgium.</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * See the LICENSE file for terms of use.</span>
<a name="l00005"></a>00005 <span class="comment"> */</span>
<a name="l00006"></a>00006 
<a name="l00007"></a>00007 <span class="preprocessor">#include &quot;<a class="code" href="SimpleChatWidget_8h.html">SimpleChatWidget.h</a>&quot;</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include &quot;<a class="code" href="SimpleChatServer_8h.html">SimpleChatServer.h</a>&quot;</span>
<a name="l00009"></a>00009 
<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;Wt/WApplication&gt;</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;Wt/WContainerWidget&gt;</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;Wt/WEnvironment&gt;</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include &lt;Wt/WHBoxLayout&gt;</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include &lt;Wt/WVBoxLayout&gt;</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include &lt;Wt/WLabel&gt;</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;Wt/WLineEdit&gt;</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;Wt/WText&gt;</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include &lt;Wt/WTextArea&gt;</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;Wt/WPushButton&gt;</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;Wt/WCheckBox&gt;</span>
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 <span class="keyword">using namespace </span>Wt;
<a name="l00025"></a>00025 
<a name="l00026"></a><a class="code" href="classSimpleChatWidget.html#aa1cdfd4ad4b7442304c6f44b3346f2e0">00026</a> <a class="code" href="classSimpleChatWidget.html#aa1cdfd4ad4b7442304c6f44b3346f2e0" title="Create a chat widget that will connect to the given server.">SimpleChatWidget::SimpleChatWidget</a>(<a class="code" href="classSimpleChatServer.html" title="A simple chat server.">SimpleChatServer</a>&amp; server,
<a name="l00027"></a>00027                                    <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html">Wt::WContainerWidget</a> *parent)
<a name="l00028"></a>00028   : <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a>(parent),
<a name="l00029"></a>00029     server_(server),
<a name="l00030"></a>00030     loggedIn_(false),
<a name="l00031"></a>00031     userList_(0),
<a name="l00032"></a>00032     messageReceived_(0)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034   <a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a> = <a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#abf692567706118193111c2b2589c8d3f" title="Get a suggestion for a guest user name.">suggestGuest</a>();
<a name="l00035"></a>00035   <a class="code" href="classSimpleChatWidget.html#a71d98bf20e007af247f3b5a74f35efa2" title="Show a simple login screen.">letLogin</a>();
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 
<a name="l00038"></a><a class="code" href="classSimpleChatWidget.html#afdf56768400ee025d0b71ccce476b1bf">00038</a> <a class="code" href="classSimpleChatWidget.html#afdf56768400ee025d0b71ccce476b1bf" title="Delete a chat widget.">SimpleChatWidget::~SimpleChatWidget</a>()
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040   <span class="keyword">delete</span> <a class="code" href="classSimpleChatWidget.html#af877bf2951965ee6832d7c5f5c5f885a">messageReceived_</a>;
<a name="l00041"></a>00041   <a class="code" href="classSimpleChatWidget.html#abff498a5a43a7e0caac5f2140f14e301">logout</a>();
<a name="l00042"></a>00042   <a class="code" href="classSimpleChatWidget.html#a7706247f4a599cd995003a260fd36b0a">disconnect</a>();
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 
<a name="l00045"></a><a class="code" href="classSimpleChatWidget.html#a5fa75ab733ce294065a1233dfcbe83d6">00045</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#a5fa75ab733ce294065a1233dfcbe83d6">SimpleChatWidget::connect</a>()
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047   <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#a916cec08c2aeb2d2ccf413e9c9a45036" title="Connects to the chat server.">connect</a>
<a name="l00048"></a>00048       (<span class="keyword">this</span>, boost::bind(&amp;<a class="code" href="classSimpleChatWidget.html#acda2bbe138c3119e4c62a6132801a232">SimpleChatWidget::processChatEvent</a>, <span class="keyword">this</span>, _1)))
<a name="l00049"></a>00049     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a38d922da0a0d83395519f3eaab85d0f6">Wt::WApplication::instance</a>()-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#ad9631ca64e68d30d40cb49c90e55223d">enableUpdates</a>(<span class="keyword">true</span>);
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051 
<a name="l00052"></a><a class="code" href="classSimpleChatWidget.html#a7706247f4a599cd995003a260fd36b0a">00052</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#a7706247f4a599cd995003a260fd36b0a">SimpleChatWidget::disconnect</a>()
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054   <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#a070e07e1a2a5ec5ecc4e944a761256c9" title="Disconnect from the chat server.">disconnect</a>(<span class="keyword">this</span>))
<a name="l00055"></a>00055     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a38d922da0a0d83395519f3eaab85d0f6">Wt::WApplication::instance</a>()-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#ad9631ca64e68d30d40cb49c90e55223d">enableUpdates</a>(<span class="keyword">false</span>);
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057 
<a name="l00058"></a><a class="code" href="classSimpleChatWidget.html#a71d98bf20e007af247f3b5a74f35efa2">00058</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#a71d98bf20e007af247f3b5a74f35efa2" title="Show a simple login screen.">SimpleChatWidget::letLogin</a>()
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060   <a class="code" href="classSimpleChatWidget.html#a7706247f4a599cd995003a260fd36b0a">disconnect</a>();
<a name="l00061"></a>00061 
<a name="l00062"></a>00062   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a608f748cbdda763f1a11556ddad9fbe1">clear</a>();
<a name="l00063"></a>00063 
<a name="l00064"></a>00064   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WVBoxLayout.html">WVBoxLayout</a> *vLayout = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WVBoxLayout.html">WVBoxLayout</a>();
<a name="l00065"></a>00065   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a1c84e0ffe330d4798f0ce217f75be08c">setLayout</a>(vLayout, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fad033ef69b45d0b75633be34168c9b606">AlignLeft</a> | <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fa58fe5182bd266132c59718c6d30945a9">AlignTop</a>);
<a name="l00066"></a>00066 
<a name="l00067"></a>00067   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WHBoxLayout.html">WHBoxLayout</a> *hLayout = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WHBoxLayout.html">WHBoxLayout</a>();
<a name="l00068"></a>00068   vLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a062d26b432841995a0be7b7d7aac6413">addLayout</a>(hLayout);
<a name="l00069"></a>00069 
<a name="l00070"></a>00070   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(<span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WLabel.html">WLabel</a>(<span class="stringliteral">&quot;User name:&quot;</span>), 0, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fa2ed90f01dbf74049f428d33769d48e3f">AlignMiddle</a>);
<a name="l00071"></a>00071   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(<a class="code" href="classSimpleChatWidget.html#a6216e8cf4d368c1550562e1c5525d34b">userNameEdit_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WLineEdit.html">WLineEdit</a>(<a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>), 0, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fa2ed90f01dbf74049f428d33769d48e3f">AlignMiddle</a>);
<a name="l00072"></a>00072   <a class="code" href="classSimpleChatWidget.html#a6216e8cf4d368c1550562e1c5525d34b">userNameEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WFormWidget.html#afe33f5c3658ddbd08fec9f6c203c578b">setFocus</a>();
<a name="l00073"></a>00073 
<a name="l00074"></a>00074   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a> *b = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a>(<span class="stringliteral">&quot;Login&quot;</span>);
<a name="l00075"></a>00075   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(b, 0, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fa2ed90f01dbf74049f428d33769d48e3f">AlignMiddle</a>);
<a name="l00076"></a>00076 
<a name="l00077"></a>00077   b-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<span class="keyword">this</span>, &amp;<a class="code" href="classSimpleChatWidget.html#ae085fda18af441e1630342395499478c">SimpleChatWidget::login</a>);
<a name="l00078"></a>00078   <a class="code" href="classSimpleChatWidget.html#a6216e8cf4d368c1550562e1c5525d34b">userNameEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#a38f06d1ad95e7599b055f49931236c10">enterPressed</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1EventSignal.html#a36896f54a4db342af24efa6e9d703455">connect</a>(<span class="keyword">this</span>, &amp;<a class="code" href="classSimpleChatWidget.html#ae085fda18af441e1630342395499478c">SimpleChatWidget::login</a>);
<a name="l00079"></a>00079 
<a name="l00080"></a>00080   vLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(<a class="code" href="classSimpleChatWidget.html#a98f69adc6f2381cd98584566ed4c497e">statusMsg_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>());
<a name="l00081"></a>00081   <a class="code" href="classSimpleChatWidget.html#a98f69adc6f2381cd98584566ed4c497e">statusMsg_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html#af22c64c4c5fed3d2aef0915a7e5c5866">setTextFormat</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#a140dea437d52d3d7c438ea3bd16a1480ae06bb9ae9a26d13c3dcf9f20d5067885">PlainText</a>);
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 
<a name="l00084"></a><a class="code" href="classSimpleChatWidget.html#ae085fda18af441e1630342395499478c">00084</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#ae085fda18af441e1630342395499478c">SimpleChatWidget::login</a>()
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086   <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#aa05605599e6eb9e6a7aeb51234533241">loggedIn</a>()) {
<a name="l00087"></a>00087     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WString.html">WString</a> name = <a class="code" href="classSimpleChatWidget.html#a6216e8cf4d368c1550562e1c5525d34b">userNameEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WLineEdit.html#ac74b58779cb635898cac13e81d8b0c7a">text</a>();
<a name="l00088"></a>00088 
<a name="l00089"></a>00089     <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#af877bf2951965ee6832d7c5f5c5f885a">messageReceived_</a>)
<a name="l00090"></a>00090       <a class="code" href="classSimpleChatWidget.html#af877bf2951965ee6832d7c5f5c5f885a">messageReceived_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WSound.html">WSound</a>(<span class="stringliteral">&quot;sounds/message_received.mp3&quot;</span>);
<a name="l00091"></a>00091 
<a name="l00092"></a>00092     <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#a19c0deeaf8952ec36791c3f444964878" title="Start a chat for the given user.">startChat</a>(name))
<a name="l00093"></a>00093       <a class="code" href="classSimpleChatWidget.html#a98f69adc6f2381cd98584566ed4c497e">statusMsg_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html#a2f788aa524d51b3962642c9f565e66e6">setText</a>(<span class="stringliteral">&quot;Sorry, name &#39;&quot;</span> + <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a6cd1b8a84c7aaf72e5d44cb47ae90e9c">escapeText</a>(name) +
<a name="l00094"></a>00094                           <span class="stringliteral">&quot;&#39; is already taken.&quot;</span>);
<a name="l00095"></a>00095   }
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 
<a name="l00098"></a><a class="code" href="classSimpleChatWidget.html#abff498a5a43a7e0caac5f2140f14e301">00098</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#abff498a5a43a7e0caac5f2140f14e301">SimpleChatWidget::logout</a>()
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100   <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#aa05605599e6eb9e6a7aeb51234533241">loggedIn</a>()) {
<a name="l00101"></a>00101     <a class="code" href="classSimpleChatWidget.html#a8f56993c5967b22aff04009f4613a155">loggedIn_</a> = <span class="keyword">false</span>;
<a name="l00102"></a>00102     <a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#a5d376e3ff441f24843be648dd420e027" title="Logout from the server.">logout</a>(<a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>);
<a name="l00103"></a>00103 
<a name="l00104"></a>00104     <a class="code" href="classSimpleChatWidget.html#a71d98bf20e007af247f3b5a74f35efa2" title="Show a simple login screen.">letLogin</a>();
<a name="l00105"></a>00105   }
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 
<a name="l00108"></a><a class="code" href="classSimpleChatWidget.html#aad5e7beb8f1aa6a26715d93fa3a9952e">00108</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#aad5e7beb8f1aa6a26715d93fa3a9952e">SimpleChatWidget::createLayout</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html">WWidget</a> *messages, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html">WWidget</a> *userList,
<a name="l00109"></a>00109                                     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html">WWidget</a> *messageEdit,
<a name="l00110"></a>00110                                     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html">WWidget</a> *sendButton, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html">WWidget</a> *logoutButton)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112   <span class="comment">/*</span>
<a name="l00113"></a>00113 <span class="comment">   * Create a vertical layout, which will hold 3 rows,</span>
<a name="l00114"></a>00114 <span class="comment">   * organized like this:</span>
<a name="l00115"></a>00115 <span class="comment">   *</span>
<a name="l00116"></a>00116 <span class="comment">   * WVBoxLayout</span>
<a name="l00117"></a>00117 <span class="comment">   * --------------------------------------------</span>
<a name="l00118"></a>00118 <span class="comment">   * | nested WHBoxLayout (vertical stretch=1)  |</span>
<a name="l00119"></a>00119 <span class="comment">   * |                              |           |</span>
<a name="l00120"></a>00120 <span class="comment">   * |  messages                    | userList  |</span>
<a name="l00121"></a>00121 <span class="comment">   * |   (horizontal stretch=1)     |           |</span>
<a name="l00122"></a>00122 <span class="comment">   * |                              |           |</span>
<a name="l00123"></a>00123 <span class="comment">   * --------------------------------------------</span>
<a name="l00124"></a>00124 <span class="comment">   * | message edit area                        |</span>
<a name="l00125"></a>00125 <span class="comment">   * --------------------------------------------</span>
<a name="l00126"></a>00126 <span class="comment">   * | WHBoxLayout                              |</span>
<a name="l00127"></a>00127 <span class="comment">   * | send | logout                            |</span>
<a name="l00128"></a>00128 <span class="comment">   * --------------------------------------------</span>
<a name="l00129"></a>00129 <span class="comment">   */</span>
<a name="l00130"></a>00130   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WVBoxLayout.html">WVBoxLayout</a> *vLayout = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WVBoxLayout.html">WVBoxLayout</a>();
<a name="l00131"></a>00131 
<a name="l00132"></a>00132   <span class="comment">// Create a horizontal layout for the messages | userslist.</span>
<a name="l00133"></a>00133   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WHBoxLayout.html">WHBoxLayout</a> *hLayout = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WHBoxLayout.html">WHBoxLayout</a>();
<a name="l00134"></a>00134 
<a name="l00135"></a>00135   <span class="comment">// Add widget to horizontal layout with stretch = 1</span>
<a name="l00136"></a>00136   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(messages, 1);
<a name="l00137"></a>00137   messages-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a4be23ecf48d5968efb5d926e38e01708">setStyleClass</a>(<span class="stringliteral">&quot;chat-msgs&quot;</span>);
<a name="l00138"></a>00138 
<a name="l00139"></a>00139     <span class="comment">// Add another widget to horizontal layout with stretch = 0</span>
<a name="l00140"></a>00140   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(userList);
<a name="l00141"></a>00141   userList-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a4be23ecf48d5968efb5d926e38e01708">setStyleClass</a>(<span class="stringliteral">&quot;chat-users&quot;</span>);
<a name="l00142"></a>00142 
<a name="l00143"></a>00143   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a00bdfb4d442bd8e8ad9c33b72692763f">setResizable</a>(0, <span class="keyword">true</span>);
<a name="l00144"></a>00144 
<a name="l00145"></a>00145   <span class="comment">// Add nested layout to vertical layout with stretch = 1</span>
<a name="l00146"></a>00146   vLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a062d26b432841995a0be7b7d7aac6413">addLayout</a>(hLayout, 1);
<a name="l00147"></a>00147 
<a name="l00148"></a>00148   <span class="comment">// Add widget to vertical layout with stretch = 0</span>
<a name="l00149"></a>00149   vLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(messageEdit);
<a name="l00150"></a>00150   messageEdit-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a4be23ecf48d5968efb5d926e38e01708">setStyleClass</a>(<span class="stringliteral">&quot;chat-noedit&quot;</span>);
<a name="l00151"></a>00151 
<a name="l00152"></a>00152   <span class="comment">// Create a horizontal layout for the buttons.</span>
<a name="l00153"></a>00153   hLayout = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WHBoxLayout.html">WHBoxLayout</a>();
<a name="l00154"></a>00154 
<a name="l00155"></a>00155   <span class="comment">// Add button to horizontal layout with stretch = 0</span>
<a name="l00156"></a>00156   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(sendButton);
<a name="l00157"></a>00157 
<a name="l00158"></a>00158   <span class="comment">// Add button to horizontal layout with stretch = 0</span>
<a name="l00159"></a>00159   hLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a7c1ec58e25d0b7add93f5f4342844db6">addWidget</a>(logoutButton);
<a name="l00160"></a>00160 
<a name="l00161"></a>00161   <span class="comment">// Add nested layout to vertical layout with stretch = 0</span>
<a name="l00162"></a>00162   vLayout-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WBoxLayout.html#a062d26b432841995a0be7b7d7aac6413">addLayout</a>(hLayout, 0, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fad033ef69b45d0b75633be34168c9b606">AlignLeft</a> | <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#ab8f772c69bc8180c31f9e4f4593b143fa58fe5182bd266132c59718c6d30945a9">AlignTop</a>);
<a name="l00163"></a>00163 
<a name="l00164"></a>00164   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a1c84e0ffe330d4798f0ce217f75be08c">setLayout</a>(vLayout);
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 
<a name="l00167"></a><a class="code" href="classSimpleChatWidget.html#aa05605599e6eb9e6a7aeb51234533241">00167</a> <span class="keywordtype">bool</span> <a class="code" href="classSimpleChatWidget.html#aa05605599e6eb9e6a7aeb51234533241">SimpleChatWidget::loggedIn</a>()<span class="keyword"> const</span>
<a name="l00168"></a>00168 <span class="keyword"></span>{
<a name="l00169"></a>00169   <span class="keywordflow">return</span> <a class="code" href="classSimpleChatWidget.html#a8f56993c5967b22aff04009f4613a155">loggedIn_</a>;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 
<a name="l00172"></a><a class="code" href="classSimpleChatWidget.html#aa1a93dff4800d783c80a9846cdc591b7">00172</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#aa1a93dff4800d783c80a9846cdc591b7">SimpleChatWidget::render</a>(WFlags&lt;RenderFlag&gt; flags)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174   <span class="keywordflow">if</span> (flags &amp; RenderFull) {
<a name="l00175"></a>00175     <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#aa05605599e6eb9e6a7aeb51234533241">loggedIn</a>()) {
<a name="l00176"></a>00176       <span class="comment">/* Handle a page refresh correctly */</span>
<a name="l00177"></a>00177       <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WTextArea.html#a1f05060c037d13c2c6c26f51f1fb9640">setText</a>(WString::Empty);
<a name="l00178"></a>00178       <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a159456e656af966117936b9024de4ca2">doJavaScript</a>(<span class="stringliteral">&quot;setTimeout(function() { &quot;</span>
<a name="l00179"></a>00179                    + <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#aa2b7078b3b43d53a85e5244b45d504f7">jsRef</a>() + <span class="stringliteral">&quot;.scrollTop += &quot;</span>
<a name="l00180"></a>00180                    + <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#aa2b7078b3b43d53a85e5244b45d504f7">jsRef</a>() + <span class="stringliteral">&quot;.scrollHeight;}, 0);&quot;</span>);
<a name="l00181"></a>00181     }
<a name="l00182"></a>00182   }
<a name="l00183"></a>00183 
<a name="l00184"></a>00184   <a class="code" href="classSimpleChatWidget.html#aa1a93dff4800d783c80a9846cdc591b7">WContainerWidget::render</a>(flags);
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 
<a name="l00187"></a><a class="code" href="classSimpleChatWidget.html#a19c0deeaf8952ec36791c3f444964878">00187</a> <span class="keywordtype">bool</span> <a class="code" href="classSimpleChatWidget.html#a19c0deeaf8952ec36791c3f444964878" title="Start a chat for the given user.">SimpleChatWidget::startChat</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WString.html">WString</a>&amp; user)
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189   <span class="comment">/*</span>
<a name="l00190"></a>00190 <span class="comment">   * When logging in, we pass our processChatEvent method as the function that</span>
<a name="l00191"></a>00191 <span class="comment">   * is used to indicate a new chat event for this user.</span>
<a name="l00192"></a>00192 <span class="comment">   */</span>
<a name="l00193"></a>00193   <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#ada0ab17464e1711ca15f30b381ede57c" title="Try to login with given user name.">login</a>(user)) {
<a name="l00194"></a>00194     <a class="code" href="classSimpleChatWidget.html#a8f56993c5967b22aff04009f4613a155">loggedIn_</a> = <span class="keyword">true</span>;
<a name="l00195"></a>00195     <a class="code" href="classSimpleChatWidget.html#a5fa75ab733ce294065a1233dfcbe83d6">connect</a>();
<a name="l00196"></a>00196 
<a name="l00197"></a>00197     <a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a> = user;    
<a name="l00198"></a>00198 
<a name="l00199"></a>00199     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a608f748cbdda763f1a11556ddad9fbe1">clear</a>();
<a name="l00200"></a>00200     <a class="code" href="classSimpleChatWidget.html#a6216e8cf4d368c1550562e1c5525d34b">userNameEdit_</a> = 0;
<a name="l00201"></a>00201 
<a name="l00202"></a>00202     <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>();
<a name="l00203"></a>00203     <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>();
<a name="l00204"></a>00204     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WTextArea.html">WTextArea</a>();
<a name="l00205"></a>00205     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WTextArea.html#ade46b47350f427f45c9b53ac7e41c5b2">setRows</a>(2);
<a name="l00206"></a>00206     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WFormWidget.html#afe33f5c3658ddbd08fec9f6c203c578b">setFocus</a>();
<a name="l00207"></a>00207 
<a name="l00208"></a>00208     <span class="comment">// Display scroll bars if contents overflows</span>
<a name="l00209"></a>00209     <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#ae269f870992c5843d3097a63795b10d6">setOverflow</a>(WContainerWidget::OverflowAuto);
<a name="l00210"></a>00210     <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#ae269f870992c5843d3097a63795b10d6">setOverflow</a>(WContainerWidget::OverflowAuto);
<a name="l00211"></a>00211 
<a name="l00212"></a>00212     <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a>(<span class="stringliteral">&quot;Send&quot;</span>);
<a name="l00213"></a>00213     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a> *logoutButton = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPushButton.html">WPushButton</a>(<span class="stringliteral">&quot;Logout&quot;</span>);
<a name="l00214"></a>00214 
<a name="l00215"></a>00215     <a class="code" href="classSimpleChatWidget.html#aad5e7beb8f1aa6a26715d93fa3a9952e">createLayout</a>(<a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>, <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>, <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>, <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a>, logoutButton);
<a name="l00216"></a>00216 
<a name="l00217"></a>00217     <span class="comment">/*</span>
<a name="l00218"></a>00218 <span class="comment">     * Connect event handlers:</span>
<a name="l00219"></a>00219 <span class="comment">     *  - click on button</span>
<a name="l00220"></a>00220 <span class="comment">     *  - enter in text area</span>
<a name="l00221"></a>00221 <span class="comment">     *</span>
<a name="l00222"></a>00222 <span class="comment">     * We will clear the input field using a small custom client-side</span>
<a name="l00223"></a>00223 <span class="comment">     * JavaScript invocation.</span>
<a name="l00224"></a>00224 <span class="comment">     */</span>
<a name="l00225"></a>00225 
<a name="l00226"></a>00226     <span class="comment">// Create a JavaScript &#39;slot&#39; (JSlot). The JavaScript slot always takes</span>
<a name="l00227"></a>00227     <span class="comment">// 2 arguments: the originator of the event (in our case the</span>
<a name="l00228"></a>00228     <span class="comment">// button or text area), and the JavaScript event object.</span>
<a name="l00229"></a>00229     <a class="code" href="classSimpleChatWidget.html#a7e58bf2312b413d2d649500c26a6f8d6">clearInput_</a>.<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1JSlot.html#a4e28a8ef6d2965aeaac0c5dcf587bbbb">setJavaScript</a>
<a name="l00230"></a>00230       (<span class="stringliteral">&quot;function(o, e) { setTimeout(function() {&quot;</span>
<a name="l00231"></a>00231        <span class="stringliteral">&quot;&quot;</span> + <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#aa2b7078b3b43d53a85e5244b45d504f7">jsRef</a>() + <span class="stringliteral">&quot;.value=&#39;&#39;;&quot;</span>
<a name="l00232"></a>00232        <span class="stringliteral">&quot;}, 0); }&quot;</span>);
<a name="l00233"></a>00233 
<a name="l00234"></a>00234     <span class="comment">// Bind the C++ and JavaScript event handlers.</span>
<a name="l00235"></a>00235     <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<span class="keyword">this</span>, &amp;<a class="code" href="classSimpleChatWidget.html#ad1c4dc9e6aca0c5b8e1db81ee7c5fad3">SimpleChatWidget::send</a>);
<a name="l00236"></a>00236     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#a38f06d1ad95e7599b055f49931236c10">enterPressed</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1EventSignal.html#a36896f54a4db342af24efa6e9d703455">connect</a>(<span class="keyword">this</span>, &amp;<a class="code" href="classSimpleChatWidget.html#ad1c4dc9e6aca0c5b8e1db81ee7c5fad3">SimpleChatWidget::send</a>);
<a name="l00237"></a>00237     <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<a class="code" href="classSimpleChatWidget.html#a7e58bf2312b413d2d649500c26a6f8d6">clearInput_</a>);
<a name="l00238"></a>00238     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#a38f06d1ad95e7599b055f49931236c10">enterPressed</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1EventSignal.html#a36896f54a4db342af24efa6e9d703455">connect</a>(<a class="code" href="classSimpleChatWidget.html#a7e58bf2312b413d2d649500c26a6f8d6">clearInput_</a>);
<a name="l00239"></a>00239     <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>, &amp;WLineEdit::setFocus);
<a name="l00240"></a>00240     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#a38f06d1ad95e7599b055f49931236c10">enterPressed</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1EventSignal.html#a36896f54a4db342af24efa6e9d703455">connect</a>(<a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>, &amp;WLineEdit::setFocus);
<a name="l00241"></a>00241 
<a name="l00242"></a>00242     <span class="comment">// Prevent the enter from generating a new line, which is its default</span>
<a name="l00243"></a>00243     <span class="comment">// action</span>
<a name="l00244"></a>00244     <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#a38f06d1ad95e7599b055f49931236c10">enterPressed</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1EventSignalBase.html#afd8983929683ffc4c6dda8a91a7bda7b">preventDefaultAction</a>();
<a name="l00245"></a>00245 
<a name="l00246"></a>00246     logoutButton-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html#ae11e050cce0d4a8f742afa3ef92bfe8c">clicked</a>().connect(<span class="keyword">this</span>, &amp;<a class="code" href="classSimpleChatWidget.html#abff498a5a43a7e0caac5f2140f14e301">SimpleChatWidget::logout</a>);
<a name="l00247"></a>00247 
<a name="l00248"></a>00248     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a> *msg = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>
<a name="l00249"></a>00249       (<span class="stringliteral">&quot;&lt;div&gt;&lt;span class=&#39;chat-info&#39;&gt;You are joining as &quot;</span>
<a name="l00250"></a>00250        + <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a6cd1b8a84c7aaf72e5d44cb47ae90e9c">escapeText</a>(<a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>) + <span class="stringliteral">&quot;.&lt;/span&gt;&lt;/div&gt;&quot;</span>,
<a name="l00251"></a>00251        <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>);
<a name="l00252"></a>00252     msg-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#afd3a3b359681111460a93d13979d17dd">setStyleClass</a>(<span class="stringliteral">&quot;chat-msg&quot;</span>);
<a name="l00253"></a>00253 
<a name="l00254"></a>00254     <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a3461e31818c4d2f516641bdaf508312a">parent</a>()) {
<a name="l00255"></a>00255       <span class="keyword">delete</span> <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>;
<a name="l00256"></a>00256       <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a> = 0;
<a name="l00257"></a>00257     }
<a name="l00258"></a>00258 
<a name="l00259"></a>00259     <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a3461e31818c4d2f516641bdaf508312a">parent</a>()) {
<a name="l00260"></a>00260       <span class="keyword">delete</span> <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a>;
<a name="l00261"></a>00261       <a class="code" href="classSimpleChatWidget.html#aa9a81423eda8238f8aa37be1a5a5bee8">sendButton_</a> = 0;
<a name="l00262"></a>00262     }
<a name="l00263"></a>00263 
<a name="l00264"></a>00264     <span class="keywordflow">if</span> (!logoutButton-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a3461e31818c4d2f516641bdaf508312a">parent</a>())
<a name="l00265"></a>00265       <span class="keyword">delete</span> logoutButton;
<a name="l00266"></a>00266 
<a name="l00267"></a>00267     <a class="code" href="classSimpleChatWidget.html#a282d3fa5a7aceea89558de31db4bb6e0">updateUsers</a>();
<a name="l00268"></a>00268     
<a name="l00269"></a>00269     <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00270"></a>00270   } <span class="keywordflow">else</span>
<a name="l00271"></a>00271     <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 
<a name="l00274"></a><a class="code" href="classSimpleChatWidget.html#ad1c4dc9e6aca0c5b8e1db81ee7c5fad3">00274</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#ad1c4dc9e6aca0c5b8e1db81ee7c5fad3">SimpleChatWidget::send</a>()
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276   <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WTextArea.html#ad8b89ce30df2b02894c53b6ed71fe4a6">text</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WString.html#a87a90e69ab25d62ba029e10ea244abaf">empty</a>())
<a name="l00277"></a>00277     <a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#aab42074f7904397b3547a6df89c16d9d" title="Send a message on behalve of a user.">sendMessage</a>(<a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>, <a class="code" href="classSimpleChatWidget.html#a4b658b56ef4ba1862765b9ad84fd9a9c">messageEdit_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WTextArea.html#ad8b89ce30df2b02894c53b6ed71fe4a6">text</a>());
<a name="l00278"></a>00278 }
<a name="l00279"></a>00279 
<a name="l00280"></a><a class="code" href="classSimpleChatWidget.html#a282d3fa5a7aceea89558de31db4bb6e0">00280</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#a282d3fa5a7aceea89558de31db4bb6e0">SimpleChatWidget::updateUsers</a>()
<a name="l00281"></a>00281 {
<a name="l00282"></a>00282   <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>) {
<a name="l00283"></a>00283     <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a608f748cbdda763f1a11556ddad9fbe1">clear</a>();
<a name="l00284"></a>00284 
<a name="l00285"></a>00285     <a class="code" href="classSimpleChatServer.html#a911329f24472ca7ed245ab18611488d4" title="Typedef for a collection of user names.">SimpleChatServer::UserSet</a> users = <a class="code" href="classSimpleChatWidget.html#ab29db4cbc3935964daf6b6c264ce68d3">server_</a>.<a class="code" href="classSimpleChatServer.html#a40f5c6465b1edb44278be93c97a29a39" title="Get the users currently logged in.">users</a>();
<a name="l00286"></a>00286 
<a name="l00287"></a>00287     <a class="code" href="classSimpleChatWidget.html#ae3fdaeefe19e26c6c6ad9f7c0445af57">UserMap</a> oldUsers = <a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>;
<a name="l00288"></a>00288     <a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>.clear();
<a name="l00289"></a>00289 
<a name="l00290"></a>00290     <span class="keywordflow">for</span> (SimpleChatServer::UserSet::iterator i = users.begin();
<a name="l00291"></a>00291          i != users.end(); ++i) {
<a name="l00292"></a>00292       <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCheckBox.html">WCheckBox</a> *w = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCheckBox.html">WCheckBox</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a6cd1b8a84c7aaf72e5d44cb47ae90e9c">escapeText</a>(*i), <a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>);
<a name="l00293"></a>00293       w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#ad0957c892e70c6bf5399cf71e66f3e11">setInline</a>(<span class="keyword">false</span>);
<a name="l00294"></a>00294 
<a name="l00295"></a>00295       UserMap::const_iterator j = oldUsers.find(*i);
<a name="l00296"></a>00296       <span class="keywordflow">if</span> (j != oldUsers.end())
<a name="l00297"></a>00297         w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractToggleButton.html#a6838c9a37f3e9e3c466e9f48bde55e62">setChecked</a>(j-&gt;second);
<a name="l00298"></a>00298       <span class="keywordflow">else</span>
<a name="l00299"></a>00299         w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractToggleButton.html#a6838c9a37f3e9e3c466e9f48bde55e62">setChecked</a>(<span class="keyword">true</span>);
<a name="l00300"></a>00300 
<a name="l00301"></a>00301       <a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>[*i] = w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractToggleButton.html#abd40ce7a6c4b4e924c9097015f4971ea">isChecked</a>();
<a name="l00302"></a>00302       w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WFormWidget.html#a5216ba1594b5dc525cc47cad593c7ba8">changed</a>().<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1EventSignal.html#a36896f54a4db342af24efa6e9d703455">connect</a>(<span class="keyword">this</span>, &amp;<a class="code" href="classSimpleChatWidget.html#a76509fdffaf6a244c99977cf587c42e0">SimpleChatWidget::updateUser</a>);
<a name="l00303"></a>00303 
<a name="l00304"></a>00304       <span class="keywordflow">if</span> (*i == <a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>)
<a name="l00305"></a>00305         w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#afd3a3b359681111460a93d13979d17dd">setStyleClass</a>(<span class="stringliteral">&quot;chat-self&quot;</span>);
<a name="l00306"></a>00306     }
<a name="l00307"></a>00307   }
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 
<a name="l00310"></a><a class="code" href="classSimpleChatWidget.html#ab5f02d352a4f461edbe9a8f70859edd7">00310</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#ab5f02d352a4f461edbe9a8f70859edd7">SimpleChatWidget::newMessage</a>()
<a name="l00311"></a>00311 { }
<a name="l00312"></a>00312 
<a name="l00313"></a><a class="code" href="classSimpleChatWidget.html#a76509fdffaf6a244c99977cf587c42e0">00313</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#a76509fdffaf6a244c99977cf587c42e0">SimpleChatWidget::updateUser</a>()
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCheckBox.html">WCheckBox</a> *b = <span class="keyword">dynamic_cast&lt;</span><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WCheckBox.html">WCheckBox</a> *<span class="keyword">&gt;</span>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WObject.html#a413deb54de40ee278dd554e4960d58ca">sender</a>());
<a name="l00316"></a>00316   <a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>[b-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractToggleButton.html#a3ef9682b5fe66d802380ccd6c698725d">text</a>()] = b-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractToggleButton.html#abd40ce7a6c4b4e924c9097015f4971ea">isChecked</a>();
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 
<a name="l00319"></a><a class="code" href="classSimpleChatWidget.html#acda2bbe138c3119e4c62a6132801a232">00319</a> <span class="keywordtype">void</span> <a class="code" href="classSimpleChatWidget.html#acda2bbe138c3119e4c62a6132801a232">SimpleChatWidget::processChatEvent</a>(<span class="keyword">const</span> <a class="code" href="classChatEvent.html" title="Encapsulate a chat event.">ChatEvent</a>&amp; event)
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321   <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html">WApplication</a> *app = WApplication::instance();
<a name="l00322"></a>00322 
<a name="l00323"></a>00323   <span class="comment">/*</span>
<a name="l00324"></a>00324 <span class="comment">   * This is where the &quot;server-push&quot; happens. The chat server posts to this</span>
<a name="l00325"></a>00325 <span class="comment">   * event from other sessions, see SimpleChatServer::postChatEvent()</span>
<a name="l00326"></a>00326 <span class="comment">   */</span>
<a name="l00327"></a>00327 
<a name="l00328"></a>00328   <span class="comment">/*</span>
<a name="l00329"></a>00329 <span class="comment">   * Format and append the line to the conversation.</span>
<a name="l00330"></a>00330 <span class="comment">   *</span>
<a name="l00331"></a>00331 <span class="comment">   * This is also the step where the automatic XSS filtering will kick in:</span>
<a name="l00332"></a>00332 <span class="comment">   * - if another user tried to pass on some JavaScript, it is filtered away.</span>
<a name="l00333"></a>00333 <span class="comment">   * - if another user did not provide valid XHTML, the text is automatically</span>
<a name="l00334"></a>00334 <span class="comment">   *   interpreted as PlainText</span>
<a name="l00335"></a>00335 <span class="comment">   */</span>
<a name="l00336"></a>00336 
<a name="l00337"></a>00337   <span class="comment">/*</span>
<a name="l00338"></a>00338 <span class="comment">   * If it is not a plain message, also update the user list.</span>
<a name="l00339"></a>00339 <span class="comment">   */</span>
<a name="l00340"></a>00340   <span class="keywordflow">if</span> (event.<a class="code" href="classChatEvent.html#ac932234e63d23080f4f91f7ae1167418" title="Get the event type.">type</a>() != <a class="code" href="classChatEvent.html#afa84446dae17c08fe15cf932fc0b7d61ab8894351cd11a316e25495f677eb9ae1">ChatEvent::Message</a>) {
<a name="l00341"></a>00341     <span class="keywordflow">if</span> (event.<a class="code" href="classChatEvent.html#ac932234e63d23080f4f91f7ae1167418" title="Get the event type.">type</a>() == <a class="code" href="classChatEvent.html#afa84446dae17c08fe15cf932fc0b7d61ab168d89affa0c72ba9a37d2881479ed8">ChatEvent::Rename</a> &amp;&amp; <span class="keyword">event</span>.user() == <a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>)
<a name="l00342"></a>00342       <a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a> = event.<a class="code" href="classChatEvent.html#a7a16dc199e1da813b8fc6bc155dc04e2" title="Get the extra data for this event.">data</a>();
<a name="l00343"></a>00343 
<a name="l00344"></a>00344     <a class="code" href="classSimpleChatWidget.html#a282d3fa5a7aceea89558de31db4bb6e0">updateUsers</a>();
<a name="l00345"></a>00345   }
<a name="l00346"></a>00346 
<a name="l00347"></a>00347   <a class="code" href="classSimpleChatWidget.html#ab5f02d352a4f461edbe9a8f70859edd7">newMessage</a>();
<a name="l00348"></a>00348 
<a name="l00349"></a>00349   <span class="comment">/*</span>
<a name="l00350"></a>00350 <span class="comment">   * Anything else doesn&#39;t matter if we are not logged in.</span>
<a name="l00351"></a>00351 <span class="comment">   */</span>
<a name="l00352"></a>00352   <span class="keywordflow">if</span> (!<a class="code" href="classSimpleChatWidget.html#aa05605599e6eb9e6a7aeb51234533241">loggedIn</a>()) {
<a name="l00353"></a>00353     app-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a51f50e0641a6d702a7c6ab7f8dd5946a">triggerUpdate</a>();
<a name="l00354"></a>00354     <span class="keywordflow">return</span>;
<a name="l00355"></a>00355   }
<a name="l00356"></a>00356 
<a name="l00357"></a>00357   <span class="keywordtype">bool</span> display = <span class="keyword">event</span>.type() != <a class="code" href="classChatEvent.html#afa84446dae17c08fe15cf932fc0b7d61ab8894351cd11a316e25495f677eb9ae1">ChatEvent::Message</a>
<a name="l00358"></a>00358     || !<a class="code" href="classSimpleChatWidget.html#aee074d5eb739091af79eb8dccc90853e">userList_</a>
<a name="l00359"></a>00359     || (<a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>.find(event.<a class="code" href="classChatEvent.html#adbeff19aece69e75ab0b69f2adecc5b6" title="Get the user who caused the event.">user</a>()) != <a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>.end() &amp;&amp; <a class="code" href="classSimpleChatWidget.html#afe3350a7929733a5b93db803dee8704b">users_</a>[<span class="keyword">event</span>.user()]);
<a name="l00360"></a>00360 
<a name="l00361"></a>00361   <span class="keywordflow">if</span> (display) {
<a name="l00362"></a>00362     <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a> *w = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>(<a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>);
<a name="l00363"></a>00363 
<a name="l00364"></a>00364     <span class="comment">/*</span>
<a name="l00365"></a>00365 <span class="comment">     * If it fails, it is because the content wasn&#39;t valid XHTML</span>
<a name="l00366"></a>00366 <span class="comment">     */</span>
<a name="l00367"></a>00367     <span class="keywordflow">if</span> (!w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html#a2f788aa524d51b3962642c9f565e66e6">setText</a>(event.<a class="code" href="classChatEvent.html#a459911a1ba1c3e793c6c797e534691b7" title="Get the message formatted as HTML, rendered for the given user.">formattedHTML</a>(<a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#a140dea437d52d3d7c438ea3bd16a1480a847ab5a73b906fea275bd16877b420a4">XHTMLText</a>))) {
<a name="l00368"></a>00368       w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html#a2f788aa524d51b3962642c9f565e66e6">setText</a>(event.<a class="code" href="classChatEvent.html#a459911a1ba1c3e793c6c797e534691b7" title="Get the message formatted as HTML, rendered for the given user.">formattedHTML</a>(<a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a>, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#a140dea437d52d3d7c438ea3bd16a1480ae06bb9ae9a26d13c3dcf9f20d5067885">PlainText</a>));
<a name="l00369"></a>00369       w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html#af22c64c4c5fed3d2aef0915a7e5c5866">setTextFormat</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/namespaceWt.html#a140dea437d52d3d7c438ea3bd16a1480a847ab5a73b906fea275bd16877b420a4">XHTMLText</a>);
<a name="l00370"></a>00370     }
<a name="l00371"></a>00371 
<a name="l00372"></a>00372     w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#ad0957c892e70c6bf5399cf71e66f3e11">setInline</a>(<span class="keyword">false</span>);
<a name="l00373"></a>00373     w-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#afd3a3b359681111460a93d13979d17dd">setStyleClass</a>(<span class="stringliteral">&quot;chat-msg&quot;</span>);
<a name="l00374"></a>00374 
<a name="l00375"></a>00375     <span class="comment">/*</span>
<a name="l00376"></a>00376 <span class="comment">     * Leave no more than 100 messages in the back-log</span>
<a name="l00377"></a>00377 <span class="comment">     */</span>
<a name="l00378"></a>00378     <span class="keywordflow">if</span> (<a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a85abd4d928575717052ff7fa04c3c2c9">count</a>() &gt; 100)
<a name="l00379"></a>00379       <span class="keyword">delete</span> <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a72c4cd4ce0a6ed1ff2d7b6ddf2dbd917">children</a>()[0];
<a name="l00380"></a>00380 
<a name="l00381"></a>00381     <span class="comment">/*</span>
<a name="l00382"></a>00382 <span class="comment">     * Little javascript trick to make sure we scroll along with new content</span>
<a name="l00383"></a>00383 <span class="comment">     */</span>
<a name="l00384"></a>00384     app-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a2a92457b9212cef4057cb54e56183967">doJavaScript</a>(<a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#aa2b7078b3b43d53a85e5244b45d504f7">jsRef</a>() + <span class="stringliteral">&quot;.scrollTop += &quot;</span>
<a name="l00385"></a>00385                        + <a class="code" href="classSimpleChatWidget.html#a32a593ed511997f32a33a55d651ce79d">messages_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#aa2b7078b3b43d53a85e5244b45d504f7">jsRef</a>() + <span class="stringliteral">&quot;.scrollHeight;&quot;</span>);
<a name="l00386"></a>00386 
<a name="l00387"></a>00387     <span class="comment">/* If this message belongs to another user, play a received sound */</span>
<a name="l00388"></a>00388     <span class="keywordflow">if</span> (event.<a class="code" href="classChatEvent.html#adbeff19aece69e75ab0b69f2adecc5b6" title="Get the user who caused the event.">user</a>() != <a class="code" href="classSimpleChatWidget.html#a596f7cbf70f45da9af017ac9d6f55ebc">user_</a> &amp;&amp; <a class="code" href="classSimpleChatWidget.html#af877bf2951965ee6832d7c5f5c5f885a">messageReceived_</a>)
<a name="l00389"></a>00389       <a class="code" href="classSimpleChatWidget.html#af877bf2951965ee6832d7c5f5c5f885a">messageReceived_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WSound.html#a6ca6b48ebc9e49ee6745228961df3817">play</a>();
<a name="l00390"></a>00390   }
<a name="l00391"></a>00391 
<a name="l00392"></a>00392   <span class="comment">/*</span>
<a name="l00393"></a>00393 <span class="comment">   * This is the server push action: we propagate the updated UI to the client,</span>
<a name="l00394"></a>00394 <span class="comment">   * (when the event was triggered by another user)</span>
<a name="l00395"></a>00395 <span class="comment">   */</span>
<a name="l00396"></a>00396   app-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WApplication.html#a51f50e0641a6d702a7c6ab7f8dd5946a">triggerUpdate</a>();
<a name="l00397"></a>00397 }
</pre></div></div>
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