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<title>Wt examples: /home/koen/project/wt/public-git/wt/examples/mission/CountDownWidget.C Source File</title>
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<h1>/home/koen/project/wt/public-git/wt/examples/mission/CountDownWidget.C</h1><a href="CountDownWidget_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, Kessel-Lo, 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 &lt;boost/lexical_cast.hpp&gt;</span>
<a name="l00008"></a>00008 
<a name="l00009"></a>00009 <span class="preprocessor">#include &lt;Wt/WTimer&gt;</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="CountDownWidget_8h.html">CountDownWidget.h</a>"</span>
<a name="l00011"></a>00011 
<a name="l00012"></a><a class="code" href="classCountDownWidget.html#ef7a1f760a5234a1815a8d9fe0c8453c">00012</a> <a class="code" href="classCountDownWidget.html#ef7a1f760a5234a1815a8d9fe0c8453c" title="Create a new CountDownWidget.">CountDownWidget::CountDownWidget</a>(<span class="keywordtype">int</span> start, <span class="keywordtype">int</span> stop, <span class="keywordtype">unsigned</span> msec,
<a name="l00013"></a>00013                                  <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> *parent)
<a name="l00014"></a>00014   : <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WText.html">WText</a>(parent),
<a name="l00015"></a>00015     done_(this),
<a name="l00016"></a>00016     start_(start),
<a name="l00017"></a>00017     stop_(stop)
<a name="l00018"></a>00018 {
<a name="l00019"></a>00019   <a class="code" href="classCountDownWidget.html#8e2132dce960726a929d4f94cc1f0d37">stop_</a> = std::min(<a class="code" href="classCountDownWidget.html#27d73fbc7a21d4335d6e17f0bd30e4f2">start_</a> - 1, <a class="code" href="classCountDownWidget.html#8e2132dce960726a929d4f94cc1f0d37">stop_</a>);  <span class="comment">// stop must be smaller than start</span>
<a name="l00020"></a>00020   <a class="code" href="classCountDownWidget.html#038470bf5c0710c71c23552ae94f70ed">current_</a> = <a class="code" href="classCountDownWidget.html#27d73fbc7a21d4335d6e17f0bd30e4f2">start_</a>;
<a name="l00021"></a>00021 
<a name="l00022"></a>00022   <a class="code" href="classCountDownWidget.html#a8c97718f168986a43d4b63aa5295c97">timer_</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTimer.html">WTimer</a>(<span class="keyword">this</span>);
<a name="l00023"></a>00023   <a class="code" href="classCountDownWidget.html#a8c97718f168986a43d4b63aa5295c97">timer_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTimer.html#3a4070540a6b0e10bf1ee7bd607334fc">setInterval</a>(msec);
<a name="l00024"></a>00024   <a class="code" href="classCountDownWidget.html#a8c97718f168986a43d4b63aa5295c97">timer_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTimer.html#2a66c6a51df2b0ab42258abf2ebd0399">timeout</a>().connect(SLOT(<span class="keyword">this</span>, <a class="code" href="classCountDownWidget.html#7ef18e94fbdb37a510b0ec0fcd52ede7" title="Process one timer tick.">CountDownWidget::timerTick</a>));
<a name="l00025"></a>00025   <a class="code" href="classCountDownWidget.html#a8c97718f168986a43d4b63aa5295c97">timer_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTimer.html#e167fbd3eb981a2fce52e9a4b3b6e0af">start</a>();
<a name="l00026"></a>00026 
<a name="l00027"></a>00027   <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WText.html#2f788aa524d51b3962642c9f565e66e6">setText</a>(boost::lexical_cast&lt;std::string&gt;(<a class="code" href="classCountDownWidget.html#038470bf5c0710c71c23552ae94f70ed">current_</a>));
<a name="l00028"></a>00028 }
<a name="l00029"></a>00029 
<a name="l00030"></a><a class="code" href="classCountDownWidget.html#4dcbc30ca439faa881a0fa1771b3168e">00030</a> <span class="keywordtype">void</span> <a class="code" href="classCountDownWidget.html#4dcbc30ca439faa881a0fa1771b3168e" title="Cancel the count down.">CountDownWidget::cancel</a>()
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032   <a class="code" href="classCountDownWidget.html#a8c97718f168986a43d4b63aa5295c97">timer_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTimer.html#73c5d1b882af4835384ccdc07a650e34">stop</a>();
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 
<a name="l00035"></a><a class="code" href="classCountDownWidget.html#7ef18e94fbdb37a510b0ec0fcd52ede7">00035</a> <span class="keywordtype">void</span> <a class="code" href="classCountDownWidget.html#7ef18e94fbdb37a510b0ec0fcd52ede7" title="Process one timer tick.">CountDownWidget::timerTick</a>()
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037   <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WText.html#2f788aa524d51b3962642c9f565e66e6">setText</a>(boost::lexical_cast&lt;std::string&gt;(--<a class="code" href="classCountDownWidget.html#038470bf5c0710c71c23552ae94f70ed">current_</a>));
<a name="l00038"></a>00038 
<a name="l00039"></a>00039   <span class="keywordflow">if</span> (<a class="code" href="classCountDownWidget.html#038470bf5c0710c71c23552ae94f70ed">current_</a> &lt;= <a class="code" href="classCountDownWidget.html#8e2132dce960726a929d4f94cc1f0d37">stop_</a>) {
<a name="l00040"></a>00040     <a class="code" href="classCountDownWidget.html#a8c97718f168986a43d4b63aa5295c97">timer_</a>-&gt;<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WTimer.html#73c5d1b882af4835384ccdc07a650e34">stop</a>();
<a name="l00041"></a>00041     <a class="code" href="classCountDownWidget.html#f466e778dc215749461c5651708f5974">done_</a>.<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1Signal.html#b9ec97260c79e7b546b7235ad2ffd627">emit</a>();
<a name="l00042"></a>00042   }
<a name="l00043"></a>00043 }
</pre></div></div>
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