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<hr><h1>input_device_server.cpp</h1><a href="input__device__server_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000-2002 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font>
00027 <font class="preprocessor">#include "<a class="code" href="input__device__server_8h.html">nel/misc/input_device_server.h</a>"</font>
00028 <font class="preprocessor">#include "<a class="code" href="input__device_8h.html">nel/misc/input_device.h</a>"</font>
00029 
00030 
00031 
00032 <font class="keyword">namespace </font>NLMISC 
00033 {
00034 <font class="comment">//=======================================================================</font>
<a name="l00035"></a><a class="code" href="classNLMISC_1_1CInputDeviceServer.html#a0">00035</a> <font class="keywordtype">void</font>    CInputDeviceServer::registerDevice(IInputDevice *device)
00036 {
00037         <a class="code" href="debug_8h.html#a6">nlassert</a>(!<a class="code" href="classNLMISC_1_1CInputDeviceServer.html#a4">isDevice</a>(device));
00038         <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.push_back(device);
00039 }
00040 
00041 <font class="comment">//=======================================================================</font>
<a name="l00042"></a><a class="code" href="classNLMISC_1_1CInputDeviceServer.html#a1">00042</a> <font class="keywordtype">void</font>    CInputDeviceServer::removeDevice(IInputDevice *device)
00043 {
00044         TDeviceCont::iterator it = std::find(<a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.begin(), <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.end(), device);
00045         <a class="code" href="debug_8h.html#a6">nlassert</a>(it != <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.end());
00046         <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.erase(it);
00047 }
00048 
00049 <font class="comment">//=======================================================================</font>
<a name="l00050"></a><a class="code" href="classNLMISC_1_1CInputDeviceServer.html#a4">00050</a> <font class="keywordtype">bool</font>    CInputDeviceServer::isDevice(IInputDevice *device)<font class="keyword"> const</font>
00051 <font class="keyword"></font>{
00052         TDeviceCont::const_iterator it = std::find(<a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.begin(), <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.end(), device);
00053         <font class="keywordflow">return</font> it != <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.end();
00054 }
00055 
00056 <font class="comment">//=======================================================================</font>
00057 <font class="comment">// Predicate to compare vents dates</font>
<a name="l00058"></a><a class="code" href="structNLMISC_1_1CInputDeviceEventLess.html">00058</a> <font class="keyword">struct </font>CInputDeviceEventLess
00059 {
<a name="l00060"></a><a class="code" href="structNLMISC_1_1CInputDeviceEventLess.html#a0">00060</a>         <font class="keywordtype">bool</font> <a class="code" href="structNLMISC_1_1CInputDeviceEventLess.html#a0">operator()</a>(<font class="keyword">const</font> IInputDeviceEvent *lhs, <font class="keyword">const</font> IInputDeviceEvent *rhs)<font class="keyword"> const</font>
00061 <font class="keyword">        </font>{
00062                 <font class="keywordflow">return</font> *lhs &lt; *rhs;
00063         }
00064 };
00065 
00066 <font class="comment">//=======================================================================</font>
<a name="l00067"></a><a class="code" href="classNLMISC_1_1CInputDeviceServer.html#a5">00067</a> <font class="keywordtype">void</font>    CInputDeviceServer::poll(CEventServer *server)
00068 {
00069         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.empty());
00070         TDeviceCont::iterator deviceIt;
00071         <font class="keywordflow">for</font> (deviceIt = <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.begin(); deviceIt != <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.end(); ++deviceIt)
00072         {
00073                 (*deviceIt)-&gt;begin(server);
00074                 (*deviceIt)-&gt;poll(<font class="keyword">this</font>);
00075         }                       
00076         <font class="comment">// Sort the messages to get the right dates.</font>
00077         std::sort(<a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.begin(), <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.end(), CInputDeviceEventLess());
00078         <font class="comment">// submit the result to the server</font>
00079         IInputDevice *lastVisitedDevice = NULL;
00080         TEventCont::iterator eventIt;
00081         <font class="keywordflow">for</font> (eventIt = <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.begin(); eventIt != <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.end(); ++eventIt)
00082         {
00083                 <font class="comment">// see if this message is from a previous device then the last we visited.</font>
00084                 <font class="keywordflow">if</font> (lastVisitedDevice &amp;&amp; (*eventIt)-&gt;Emitter != lastVisitedDevice)
00085                 {
00086                         <font class="comment">// yes, tells that a transition occured</font>
00087                         lastVisitedDevice-&gt;transitionOccured(server, *eventIt);
00088                         lastVisitedDevice = (*eventIt)-&gt;Emitter;
00089                 }
00090                 <a class="code" href="debug_8h.html#a6">nlassert</a>((*eventIt)-&gt;Emitter != NULL);
00091                 (*eventIt)-&gt;Emitter-&gt;submit(*eventIt, server);
00092         }
00093         <font class="comment">//</font>
00094         <font class="keywordflow">for</font> (deviceIt = <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.begin(); deviceIt != <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o0">_Devices</a>.end(); ++deviceIt)
00095         {
00096                 (*deviceIt)-&gt;transitionOccured(server, NULL);
00097         }
00098         <font class="comment">// delete the messages</font>
00099         <font class="keywordflow">for</font> (eventIt = <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.begin(); eventIt != <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.end(); ++eventIt)
00100         {
00101                 <font class="keyword">delete</font> *eventIt;                
00102         }
00103         <font class="comment">//</font>
00104         <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.clear();
00105 }
00106 
00107 <font class="comment">//=======================================================================</font>
<a name="l00108"></a><a class="code" href="classNLMISC_1_1CInputDeviceServer.html#a6">00108</a> <font class="keywordtype">void</font>    CInputDeviceServer::submitEvent(IInputDeviceEvent *deviceEvent)
00109 {
00110         <a class="code" href="classNLMISC_1_1CInputDeviceServer.html#o1">_Events</a>.push_back(deviceEvent);
00111 }
00112 
00113 
00114 } <font class="comment">// NLMISC</font>
</pre></div>

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