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<div class="title">kuniqueapplication.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of the KDE libraries</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 1999 Preston Brown <pbrown@kde.org></span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> $Id: kuniqueapplication.cpp 474468 2005-10-26 13:51:39Z lunakl $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00008"></a>00008 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> Library General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00018"></a>00018 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00019"></a>00019 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <config.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <sys/wait.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <assert.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <errno.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <unistd.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <qfile.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <qptrlist.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <qtimer.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include <dcopclient.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <kcmdlineargs.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <kaboutdata.h></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#if defined Q_WS_X11</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#include <kwin.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <kstartupinfo.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#endif</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include "kdebug.h"</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include "kuniqueapplication.h"</span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#if defined Q_WS_X11</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#include <netwm.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <X11/Xlib.h></span>
<a name="l00053"></a>00053 <span class="preprocessor">#define DISPLAY "DISPLAY"</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor"># ifdef Q_WS_QWS</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor"># define DISPLAY "QWS_DISPLAY"</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor"># else</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor"># define DISPLAY "DISPLAY"</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor"># endif</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00062"></a>00062 <span class="keywordtype">bool</span> KUniqueApplication::s_nofork = <span class="keyword">false</span>;
<a name="l00063"></a>00063 <span class="keywordtype">bool</span> KUniqueApplication::s_multipleInstances = <span class="keyword">false</span>;
<a name="l00064"></a>00064 <span class="keywordtype">bool</span> KUniqueApplication::s_uniqueTestDone = <span class="keyword">false</span>;
<a name="l00065"></a>00065 <span class="keywordtype">bool</span> KUniqueApplication::s_handleAutoStarted = <span class="keyword">false</span>;
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keyword">static</span> <a class="code" href="structKCmdLineOptions.html" title="Structure that holds command line options.">KCmdLineOptions</a> kunique_options[] =
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 { <span class="stringliteral">"nofork"</span>, <span class="stringliteral">"Don't run in the background."</span>, 0 },
<a name="l00070"></a>00070 KCmdLineLastOption
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">struct </span>DCOPRequest {
<a name="l00074"></a>00074 <a class="codeRef" href="qcstring.html">QCString</a> fun;
<a name="l00075"></a>00075 <a class="codeRef" href="qbytearray.html">QByteArray</a> data;
<a name="l00076"></a>00076 DCOPClientTransaction *transaction;
<a name="l00077"></a>00077 };
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">class </span>KUniqueApplicationPrivate {
<a name="l00080"></a>00080 <span class="keyword">public</span>:
<a name="l00081"></a>00081 <a class="codeRef" href="qptrlist.html">QPtrList <DCOPRequest></a> requestList;
<a name="l00082"></a>00082 <span class="keywordtype">bool</span> processingRequest;
<a name="l00083"></a>00083 <span class="keywordtype">bool</span> firstInstance;
<a name="l00084"></a>00084 };
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">void</span>
<a name="l00087"></a><a class="code" href="classKUniqueApplication.html#af94c9757a43c52c45978b99c43abfac8">00087</a> <a class="code" href="classKUniqueApplication.html#af94c9757a43c52c45978b99c43abfac8" title="Adds command line options specific for KUniqueApplication.">KUniqueApplication::addCmdLineOptions</a>()
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <a class="code" href="classKUniqueApplication.html#af94c9757a43c52c45978b99c43abfac8" title="Adds command line options specific for KUniqueApplication.">KCmdLineArgs::addCmdLineOptions</a>(kunique_options, 0, <span class="stringliteral">"kuniqueapp"</span>, <span class="stringliteral">"kde"</span> );
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordtype">bool</span>
<a name="l00093"></a><a class="code" href="classKUniqueApplication.html#a0c1fecddfe524762609c8e07ee416e86">00093</a> <a class="code" href="classKUniqueApplication.html#a0c1fecddfe524762609c8e07ee416e86" title="Forks and registers with dcop.">KUniqueApplication::start</a>()
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 <span class="keywordflow">if</span>( s_uniqueTestDone )
<a name="l00096"></a>00096 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00097"></a>00097 s_uniqueTestDone = <span class="keyword">true</span>;
<a name="l00098"></a>00098 <a class="code" href="classKUniqueApplication.html#af94c9757a43c52c45978b99c43abfac8" title="Adds command line options specific for KUniqueApplication.">addCmdLineOptions</a>(); <span class="comment">// Make sure to add cmd line options</span>
<a name="l00099"></a>00099 <span class="preprocessor">#ifdef Q_WS_WIN</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span> s_nofork = <span class="keyword">true</span>;
<a name="l00101"></a>00101 <span class="preprocessor">#else</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span> <a class="code" href="classKCmdLineArgs.html" title="A class for command-line argument handling.">KCmdLineArgs</a> *args = <a class="code" href="classKCmdLineArgs.html#acd1cd75c0ac04930b0acec605a42cc54" title="Access parsed arguments.">KCmdLineArgs::parsedArgs</a>(<span class="stringliteral">"kuniqueapp"</span>);
<a name="l00103"></a>00103 s_nofork = !args-><a class="code" href="classKCmdLineArgs.html#a4ed1605753de66b1c1d33b43ae99303f" title="Read out a boolean option or check for the presence of string option.">isSet</a>(<span class="stringliteral">"fork"</span>);
<a name="l00104"></a>00104 <span class="keyword">delete</span> args;
<a name="l00105"></a>00105 <span class="preprocessor">#endif</span>
<a name="l00106"></a>00106 <span class="preprocessor"></span>
<a name="l00107"></a>00107 <a class="codeRef" href="qcstring.html">QCString</a> appName = KCmdLineArgs::about-><a class="code" href="classKAboutData.html#a0db0eed0123d1810656d6bd61fd2513f" title="Returns the application's internal name.">appName</a>();
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (s_nofork)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (s_multipleInstances)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <a class="codeRef" href="qcstring.html">QCString</a> pid;
<a name="l00114"></a>00114 pid.<a class="codeRef" href="qcstring.html#setNum">setNum</a>(getpid());
<a name="l00115"></a>00115 appName = appName + <span class="stringliteral">"-"</span> + pid;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// Check to make sure that we're actually able to register with the DCOP</span>
<a name="l00119"></a>00119 <span class="comment">// server.</span>
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="preprocessor">#ifndef Q_WS_WIN //TODO</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span> <span class="keywordflow">if</span>(<a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()->registerAs(appName, <span class="keyword">false</span>).isEmpty()) {
<a name="l00123"></a>00123 startKdeinit();
<a name="l00124"></a>00124 <span class="keywordflow">if</span>(<a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()->registerAs(appName, <span class="keyword">false</span>).isEmpty()) {
<a name="l00125"></a>00125 kdError() << <span class="stringliteral">"KUniqueApplication: Can't setup DCOP communication."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00126"></a>00126 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129 <span class="preprocessor">#endif</span>
<a name="l00130"></a>00130 <span class="preprocessor"></span>
<a name="l00131"></a>00131 <span class="comment">// We'll call newInstance in the constructor. Do nothing here.</span>
<a name="l00132"></a>00132 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 <a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html">DCOPClient</a> *dc;
<a name="l00135"></a>00135 <span class="keywordtype">int</span> fd[2];
<a name="l00136"></a>00136 <span class="keywordtype">signed</span> <span class="keywordtype">char</span> result;
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (0 > pipe(fd))
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 kdError() << <span class="stringliteral">"KUniqueApplication: pipe() failed!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00140"></a>00140 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="keywordtype">int</span> fork_result = fork();
<a name="l00143"></a>00143 <span class="keywordflow">switch</span>(fork_result) {
<a name="l00144"></a>00144 <span class="keywordflow">case</span> -1:
<a name="l00145"></a>00145 kdError() << <span class="stringliteral">"KUniqueApplication: fork() failed!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00146"></a>00146 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00147"></a>00147 <span class="keywordflow">break</span>;
<a name="l00148"></a>00148 <span class="keywordflow">case</span> 0:
<a name="l00149"></a>00149 <span class="comment">// Child</span>
<a name="l00150"></a>00150 ::close(fd[0]);
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (s_multipleInstances)
<a name="l00152"></a>00152 appName.<a class="codeRef" href="qcstring.html#append">append</a>(<span class="stringliteral">"-"</span>).append(<a class="codeRef" href="qcstring.html">QCString</a>().setNum(getpid()));
<a name="l00153"></a>00153 dc = <a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>();
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 <a class="codeRef" href="qcstring.html">QCString</a> regName = dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a9efc2316a0980e5cff73b7c6b7a40d16">registerAs</a>(appName, <span class="keyword">false</span>);
<a name="l00156"></a>00156 <span class="keywordflow">if</span> (regName.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158 <span class="comment">// Check DISPLAY</span>
<a name="l00159"></a>00159 <span class="keywordflow">if</span> (<a class="codeRef" href="qcstring.html">QCString</a>(getenv(DISPLAY)).<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 kdError() << <span class="stringliteral">"KUniqueApplication: Can't determine DISPLAY. Aborting."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00162"></a>00162 result = -1; <span class="comment">// Error</span>
<a name="l00163"></a>00163 ::write(fd[1], &result, 1);<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00164"></a>00164 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="comment">// Try to launch kdeinit.</span>
<a name="l00168"></a>00168 startKdeinit();
<a name="l00169"></a>00169 regName = dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a9efc2316a0980e5cff73b7c6b7a40d16">registerAs</a>(appName, <span class="keyword">false</span>);
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (regName.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 kdError() << <span class="stringliteral">"KUniqueApplication: Can't setup DCOP communication."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00173"></a>00173 result = -1;
<a name="l00174"></a>00174 <span class="keyword">delete</span> dc; <span class="comment">// Clean up DCOP commmunication</span>
<a name="l00175"></a>00175 ::write(fd[1], &result, 1);<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00176"></a>00176 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 <span class="keywordflow">if</span> (regName != appName)
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 <span class="comment">// Already running. Ok.</span>
<a name="l00182"></a>00182 result = 0;
<a name="l00183"></a>00183 <span class="keyword">delete</span> dc; <span class="comment">// Clean up DCOP commmunication</span>
<a name="l00184"></a>00184 ::write(fd[1], &result, 1);
<a name="l00185"></a>00185 ::close(fd[1]);
<a name="l00186"></a>00186 <span class="preprocessor">#if 0</span>
<a name="l00187"></a>00187 <span class="preprocessor"></span><span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00188"></a>00188 <span class="preprocessor"></span> <span class="comment">// say we're up and running ( probably no new window will appear )</span>
<a name="l00189"></a>00189 KStartupInfoId id;
<a name="l00190"></a>00190 <span class="keywordflow">if</span>( kapp != NULL ) <span class="comment">// KApplication constructor unsets the env. variable</span>
<a name="l00191"></a>00191 <span class="keywordtype">id</span>.initId( kapp->startupId());
<a name="l00192"></a>00192 <span class="keywordflow">else</span>
<a name="l00193"></a>00193 <span class="keywordtype">id</span> = KStartupInfo::currentStartupIdEnv();
<a name="l00194"></a>00194 <span class="keywordflow">if</span>( !<span class="keywordtype">id</span>.none())
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 Display* disp = XOpenDisplay( NULL );
<a name="l00197"></a>00197 <span class="keywordflow">if</span>( disp != NULL ) <span class="comment">// use extra X connection</span>
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 KStartupInfo::sendFinishX( disp, <span class="keywordtype">id</span> );
<a name="l00200"></a>00200 XCloseDisplay( disp );
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 <span class="preprocessor">#else //FIXME(E): implement</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00206"></a>00206 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208 dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a2fa9a0b4c7f801ebe6044eadc21903a5">setPriorityCall</a>(<span class="keyword">true</span>);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 {
<a name="l00212"></a>00212 <span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00213"></a>00213 <span class="preprocessor"></span> KStartupInfoId id;
<a name="l00214"></a>00214 <span class="keywordflow">if</span>( kapp != NULL ) <span class="comment">// KApplication constructor unsets the env. variable</span>
<a name="l00215"></a>00215 <span class="keywordtype">id</span>.initId( kapp->startupId());
<a name="l00216"></a>00216 <span class="keywordflow">else</span>
<a name="l00217"></a>00217 <span class="keywordtype">id</span> = KStartupInfo::currentStartupIdEnv();
<a name="l00218"></a>00218 <span class="keywordflow">if</span>( !<span class="keywordtype">id</span>.none())
<a name="l00219"></a>00219 { <span class="comment">// notice about pid change</span>
<a name="l00220"></a>00220 Display* disp = XOpenDisplay( NULL );
<a name="l00221"></a>00221 <span class="keywordflow">if</span>( disp != NULL ) <span class="comment">// use extra X connection</span>
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 KStartupInfoData data;
<a name="l00224"></a>00224 data.addPid( getpid());
<a name="l00225"></a>00225 KStartupInfo::sendChangeX( disp, <span class="keywordtype">id</span>, data );
<a name="l00226"></a>00226 XCloseDisplay( disp );
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229 <span class="preprocessor">#else //FIXME(E): Implement</span>
<a name="l00230"></a>00230 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00231"></a>00231 <span class="preprocessor"></span> }
<a name="l00232"></a>00232 result = 0;
<a name="l00233"></a>00233 ::write(fd[1], &result, 1);
<a name="l00234"></a>00234 ::close(fd[1]);
<a name="l00235"></a>00235 <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// Finished.</span>
<a name="l00236"></a>00236 <span class="keywordflow">default</span>:
<a name="l00237"></a>00237 <span class="comment">// Parent</span>
<a name="l00238"></a>00238 <span class="comment">// DCOPClient::emergencyClose();</span>
<a name="l00239"></a>00239 <span class="comment">// dcopClient()->detach();</span>
<a name="l00240"></a>00240 <span class="keywordflow">if</span> (s_multipleInstances)
<a name="l00241"></a>00241 appName.<a class="codeRef" href="qcstring.html#append">append</a>(<span class="stringliteral">"-"</span>).append(<a class="codeRef" href="qcstring.html">QCString</a>().setNum(fork_result));
<a name="l00242"></a>00242 ::close(fd[1]);
<a name="l00243"></a>00243 <span class="keywordflow">for</span>(;;)
<a name="l00244"></a>00244 {
<a name="l00245"></a>00245 <span class="keywordtype">int</span> n = ::read(fd[0], &result, 1);
<a name="l00246"></a>00246 <span class="keywordflow">if</span> (n == 1) <span class="keywordflow">break</span>;
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (n == 0)
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 kdError() << <span class="stringliteral">"KUniqueApplication: Pipe closed unexpectedly."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00250"></a>00250 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252 <span class="keywordflow">if</span> (errno != EINTR)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 kdError() << <span class="stringliteral">"KUniqueApplication: Error reading from pipe."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00255"></a>00255 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258 ::close(fd[0]);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (result != 0)<a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00261"></a>00261 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(result); <span class="comment">// Error occurred in child.</span>
<a name="l00262"></a>00262
<a name="l00263"></a>00263 dc = <span class="keyword">new</span> <a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html">DCOPClient</a>();
<a name="l00264"></a>00264 <span class="keywordflow">if</span> (!dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a5b91eb6f361ac9afc06055155f349ff1">attach</a>())
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 kdError() << <span class="stringliteral">"KUniqueApplication: Parent process can't attach to DCOP."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00267"></a>00267 <span class="keyword">delete</span> dc; <span class="comment">// Clean up DCOP commmunication</span><a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00268"></a>00268 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 <span class="keywordflow">if</span> (!dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#abe1782eda46ce8e3fc8312d54364790b">isApplicationRegistered</a>(appName)) {
<a name="l00271"></a>00271 kdError() << <span class="stringliteral">"KUniqueApplication: Registering failed!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <a class="codeRef" href="qcstring.html">QCString</a> new_asn_id;
<a name="l00275"></a>00275 <span class="preprocessor">#if defined Q_WS_X11</span>
<a name="l00276"></a>00276 <span class="preprocessor"></span> KStartupInfoId id;
<a name="l00277"></a>00277 <span class="keywordflow">if</span>( kapp != NULL ) <span class="comment">// KApplication constructor unsets the env. variable</span>
<a name="l00278"></a>00278 <span class="keywordtype">id</span>.initId( kapp->startupId());
<a name="l00279"></a>00279 <span class="keywordflow">else</span>
<a name="l00280"></a>00280 <span class="keywordtype">id</span> = KStartupInfo::currentStartupIdEnv();
<a name="l00281"></a>00281 <span class="keywordflow">if</span>( !<span class="keywordtype">id</span>.none())
<a name="l00282"></a>00282 new_asn_id = <span class="keywordtype">id</span>.id();
<a name="l00283"></a>00283 <span class="preprocessor">#endif</span>
<a name="l00284"></a>00284 <span class="preprocessor"></span>
<a name="l00285"></a>00285 <a class="codeRef" href="qbytearray.html">QByteArray</a> data, reply;
<a name="l00286"></a>00286 <a class="codeRef" href="qdatastream.html">QDataStream</a> ds(data, IO_WriteOnly);
<a name="l00287"></a>00287
<a name="l00288"></a>00288 KCmdLineArgs::saveAppArgs(ds);
<a name="l00289"></a>00289 ds << new_asn_id;
<a name="l00290"></a>00290
<a name="l00291"></a>00291 dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a2fa9a0b4c7f801ebe6044eadc21903a5">setPriorityCall</a>(<span class="keyword">true</span>);
<a name="l00292"></a>00292 <a class="codeRef" href="qcstring.html">QCString</a> replyType;
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (!dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a8665da8f4d35021e7e7ebe4da58849d5">call</a>(appName, KCmdLineArgs::about-><a class="code" href="classKAboutData.html#a0db0eed0123d1810656d6bd61fd2513f" title="Returns the application's internal name.">appName</a>(), <span class="stringliteral">"newInstance()"</span>, data, replyType, reply))
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 kdError() << <span class="stringliteral">"Communication problem with "</span> << KCmdLineArgs::about-><a class="code" href="classKAboutData.html#a0db0eed0123d1810656d6bd61fd2513f" title="Returns the application's internal name.">appName</a>() << <span class="stringliteral">", it probably crashed."</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00296"></a>00296 <span class="keyword">delete</span> dc; <span class="comment">// Clean up DCOP commmunication</span><a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00297"></a>00297 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299 dc-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a2fa9a0b4c7f801ebe6044eadc21903a5">setPriorityCall</a>(<span class="keyword">false</span>);
<a name="l00300"></a>00300 <span class="keywordflow">if</span> (replyType != <span class="stringliteral">"int"</span>)
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302 kdError() << <span class="stringliteral">"KUniqueApplication: DCOP communication error!"</span> << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00303"></a>00303 <span class="keyword">delete</span> dc; <span class="comment">// Clean up DCOP commmunication</span><a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00304"></a>00304 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(255);
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 <a class="codeRef" href="qdatastream.html">QDataStream</a> rs(reply, IO_ReadOnly);
<a name="l00307"></a>00307 <span class="keywordtype">int</span> exitCode;
<a name="l00308"></a>00308 rs >> exitCode;
<a name="l00309"></a>00309 <span class="keyword">delete</span> dc; <span class="comment">// Clean up DCOP commmunication</span><a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00310"></a>00310 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>(exitCode);
<a name="l00311"></a>00311 <span class="keywordflow">break</span>;
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// make insure++ happy</span>
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315
<a name="l00316"></a>00316
<a name="l00317"></a><a class="code" href="classKUniqueApplication.html#a795a96069062def42c7f672c7a8b6169">00317</a> <a class="code" href="classKUniqueApplication.html#a795a96069062def42c7f672c7a8b6169" title="Constructor.">KUniqueApplication::KUniqueApplication</a>(<span class="keywordtype">bool</span> allowStyles, <span class="keywordtype">bool</span> GUIenabled, <span class="keywordtype">bool</span> configUnique)
<a name="l00318"></a>00318 : <a class="code" href="classKApplication.html" title="Controls and provides information to all KDE applications.">KApplication</a>( allowStyles, GUIenabled, initHack( configUnique )),
<a name="l00319"></a>00319 <a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPObject.html">DCOPObject</a>(<a class="code" href="classKCmdLineArgs.html" title="A class for command-line argument handling.">KCmdLineArgs</a>::about->appName())
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321 d = <span class="keyword">new</span> KUniqueApplicationPrivate;
<a name="l00322"></a>00322 d->processingRequest = <span class="keyword">false</span>;
<a name="l00323"></a>00323 d->firstInstance = <span class="keyword">true</span>;
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="keywordflow">if</span> (s_nofork)
<a name="l00326"></a>00326 <span class="comment">// Can't call newInstance directly from the constructor since it's virtual...</span>
<a name="l00327"></a>00327 <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>( 0, <span class="keyword">this</span>, SLOT(newInstanceNoFork()) );
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00332"></a>00332 <span class="preprocessor"></span><a class="code" href="classKUniqueApplication.html#a795a96069062def42c7f672c7a8b6169" title="Constructor.">KUniqueApplication::KUniqueApplication</a>(Display *display, Qt::HANDLE visual,
<a name="l00333"></a>00333 Qt::HANDLE colormap, <span class="keywordtype">bool</span> allowStyles, <span class="keywordtype">bool</span> configUnique)
<a name="l00334"></a>00334 : <a class="code" href="classKApplication.html" title="Controls and provides information to all KDE applications.">KApplication</a>( display, visual, colormap, allowStyles, initHack( configUnique )),
<a name="l00335"></a>00335 <a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPObject.html">DCOPObject</a>(<a class="code" href="classKCmdLineArgs.html" title="A class for command-line argument handling.">KCmdLineArgs</a>::about->appName())
<a name="l00336"></a>00336 {
<a name="l00337"></a>00337 d = <span class="keyword">new</span> KUniqueApplicationPrivate;
<a name="l00338"></a>00338 d->processingRequest = <span class="keyword">false</span>;
<a name="l00339"></a>00339 d->firstInstance = <span class="keyword">true</span>;
<a name="l00340"></a>00340
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (s_nofork)
<a name="l00342"></a>00342 <span class="comment">// Can't call newInstance directly from the constructor since it's virtual...</span>
<a name="l00343"></a>00343 <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>( 0, <span class="keyword">this</span>, SLOT(newInstanceNoFork()) );
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345 <span class="preprocessor">#endif</span>
<a name="l00346"></a>00346 <span class="preprocessor"></span>
<a name="l00347"></a>00347
<a name="l00348"></a><a class="code" href="classKUniqueApplication.html#a597594eb7f6918aea4ba51aeb6dddb52">00348</a> <a class="code" href="classKUniqueApplication.html#a597594eb7f6918aea4ba51aeb6dddb52" title="Destructor.">KUniqueApplication::~KUniqueApplication</a>()
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 <span class="keyword">delete</span> d;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352
<a name="l00353"></a>00353 <span class="comment">// this gets called before even entering QApplication::QApplication()</span>
<a name="l00354"></a>00354 <a class="code" href="classKInstance.html" title="Access to KDE global objects for use in shared libraries.">KInstance</a>* KUniqueApplication::initHack( <span class="keywordtype">bool</span> configUnique )
<a name="l00355"></a>00355 {
<a name="l00356"></a>00356 <a class="code" href="classKInstance.html" title="Access to KDE global objects for use in shared libraries.">KInstance</a>* inst = <span class="keyword">new</span> <a class="code" href="classKInstance.html#aaa55ca5d81ddb38cb13907074b613d66" title="Constructor.">KInstance</a>( KCmdLineArgs::about );
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (configUnique)
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 <a class="code" href="classKConfigGroupSaver.html" title="Helper class to facilitate working with KConfig / KSimpleConfig groups.">KConfigGroupSaver</a> saver( inst-><a class="code" href="classKInstance.html#a45c9e6b3a643cf421c274581910f89bf" title="Returns the general config object ("appnamerc").">config</a>(), <span class="stringliteral">"KDE"</span> );
<a name="l00360"></a>00360 s_multipleInstances = inst-><a class="code" href="classKInstance.html#a45c9e6b3a643cf421c274581910f89bf" title="Returns the general config object ("appnamerc").">config</a>()-><a class="code" href="classKConfigBase.html#a515c85fb1b7b3ddab4c6612cdb67bf74" title="Reads a boolean entry.">readBoolEntry</a>(<span class="stringliteral">"MultipleInstances"</span>, <span class="keyword">false</span>);
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 <span class="keywordflow">if</span>( !<a class="code" href="classKUniqueApplication.html#a0c1fecddfe524762609c8e07ee416e86" title="Forks and registers with dcop.">start</a>())
<a name="l00363"></a>00363 <span class="comment">// Already running</span><a class="codeRef" href="qapplication.html#exit"></a>
<a name="l00364"></a>00364 <a class="codeRef" href="qapplication.html#exit"> ::exit</a>( 0 );
<a name="l00365"></a>00365 <span class="keywordflow">return</span> inst;
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="keywordtype">void</span> KUniqueApplication::newInstanceNoFork()
<a name="l00369"></a>00369 {
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (<a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()->isSuspended())
<a name="l00371"></a>00371 {
<a name="l00372"></a>00372 <span class="comment">// Try again later.</span>
<a name="l00373"></a>00373 <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>( 200, <span class="keyword">this</span>, SLOT(newInstanceNoFork()) );
<a name="l00374"></a>00374 <span class="keywordflow">return</span>;
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 s_handleAutoStarted = <span class="keyword">false</span>;
<a name="l00378"></a>00378 <a class="code" href="classKUniqueApplication.html#a6465cb42cbf9639ddf13a8296d95d2cf" title="Creates a new "instance" of the application.">newInstance</a>();
<a name="l00379"></a>00379 d->firstInstance = <span class="keyword">false</span>;
<a name="l00380"></a>00380 <span class="preprocessor">#if defined Q_WS_X11</span>
<a name="l00381"></a>00381 <span class="preprocessor"></span> <span class="comment">// KDE4 remove</span>
<a name="l00382"></a>00382 <span class="comment">// A hack to make startup notification stop for apps which override newInstance()</span>
<a name="l00383"></a>00383 <span class="comment">// and reuse an already existing window there, but use KWin::activateWindow()</span>
<a name="l00384"></a>00384 <span class="comment">// instead of KStartupInfo::setNewStartupId(). Therefore KWin::activateWindow()</span>
<a name="l00385"></a>00385 <span class="comment">// for now sets this flag. Automatically ending startup notification always</span>
<a name="l00386"></a>00386 <span class="comment">// would cause problem if the new window would show up with a small delay.</span>
<a name="l00387"></a>00387 <span class="keywordflow">if</span>( s_handleAutoStarted )
<a name="l00388"></a>00388 KStartupInfo::handleAutoAppStartedSending();
<a name="l00389"></a>00389 <span class="preprocessor">#endif</span>
<a name="l00390"></a>00390 <span class="preprocessor"></span> <span class="comment">// What to do with the return value ?</span>
<a name="l00391"></a>00391 }
<a name="l00392"></a>00392
<a name="l00393"></a><a class="code" href="classKUniqueApplication.html#ab0ebcca6e5c20d7fe1d0f64868a08051">00393</a> <span class="keywordtype">bool</span> <a class="code" href="classKUniqueApplication.html#ab0ebcca6e5c20d7fe1d0f64868a08051" title="Dispatches any incoming DCOP message for a new instance.">KUniqueApplication::process</a>(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &fun, <span class="keyword">const</span> <a class="codeRef" href="qbytearray.html">QByteArray</a> &data,
<a name="l00394"></a>00394 <a class="codeRef" href="qcstring.html">QCString</a> &replyType, <a class="codeRef" href="qbytearray.html">QByteArray</a> &replyData)
<a name="l00395"></a>00395 {
<a name="l00396"></a>00396 <span class="keywordflow">if</span> (fun == <span class="stringliteral">"newInstance()"</span>)
<a name="l00397"></a>00397 {
<a name="l00398"></a>00398 delayRequest(fun, data);
<a name="l00399"></a>00399 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00400"></a>00400 } <span class="keywordflow">else</span>
<a name="l00401"></a>00401 <span class="keywordflow">return</span> <a class="code" href="classKUniqueApplication.html#ab0ebcca6e5c20d7fe1d0f64868a08051" title="Dispatches any incoming DCOP message for a new instance.">DCOPObject::process</a>(fun, data, replyType, replyData);
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordtype">void</span>
<a name="l00405"></a>00405 KUniqueApplication::delayRequest(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &fun, <span class="keyword">const</span> <a class="codeRef" href="qbytearray.html">QByteArray</a> &data)
<a name="l00406"></a>00406 {
<a name="l00407"></a>00407 DCOPRequest *request = <span class="keyword">new</span> DCOPRequest;
<a name="l00408"></a>00408 request->fun = fun;
<a name="l00409"></a>00409 request->data = data;
<a name="l00410"></a>00410 request->transaction = <a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a1f22fdc6a3888205860c14762ec49fa6">beginTransaction</a>();
<a name="l00411"></a>00411 d->requestList.append(request);
<a name="l00412"></a>00412 <span class="keywordflow">if</span> (!d->processingRequest)
<a name="l00413"></a>00413 {
<a name="l00414"></a>00414 <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>(0, <span class="keyword">this</span>, SLOT(processDelayed()));
<a name="l00415"></a>00415 }
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <span class="keywordtype">void</span>
<a name="l00419"></a>00419 KUniqueApplication::processDelayed()
<a name="l00420"></a>00420 {
<a name="l00421"></a>00421 <span class="keywordflow">if</span> (<a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()->isSuspended())
<a name="l00422"></a>00422 {
<a name="l00423"></a>00423 <span class="comment">// Try again later.</span>
<a name="l00424"></a>00424 <a class="codeRef" href="qtimer.html#singleShot">QTimer::singleShot</a>( 200, <span class="keyword">this</span>, SLOT(processDelayed()));
<a name="l00425"></a>00425 <span class="keywordflow">return</span>;
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427 d->processingRequest = <span class="keyword">true</span>;
<a name="l00428"></a>00428 <span class="keywordflow">while</span>( !d->requestList.isEmpty() )
<a name="l00429"></a>00429 {
<a name="l00430"></a>00430 DCOPRequest *request = d->requestList.take(0);
<a name="l00431"></a>00431 <a class="codeRef" href="qbytearray.html">QByteArray</a> replyData;
<a name="l00432"></a>00432 <a class="codeRef" href="qcstring.html">QCString</a> replyType;
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (request->fun == <span class="stringliteral">"newInstance()"</span>) {
<a name="l00434"></a>00434 <a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#a2fa9a0b4c7f801ebe6044eadc21903a5">setPriorityCall</a>(<span class="keyword">false</span>);
<a name="l00435"></a>00435 <a class="codeRef" href="qdatastream.html">QDataStream</a> ds(request->data, IO_ReadOnly);
<a name="l00436"></a>00436 <a class="code" href="classKCmdLineArgs.html#aee26d40daeae0a32ac3a334de2b1c8da" title="Load arguments from a stream.">KCmdLineArgs::loadAppArgs</a>(ds);
<a name="l00437"></a>00437 <span class="keywordflow">if</span>( !ds.atEnd()) <span class="comment">// backwards compatibility</span>
<a name="l00438"></a>00438 {
<a name="l00439"></a>00439 <a class="codeRef" href="qcstring.html">QCString</a> asn_id;
<a name="l00440"></a>00440 ds >> asn_id;
<a name="l00441"></a>00441 setStartupId( asn_id );
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 s_handleAutoStarted = <span class="keyword">false</span>;
<a name="l00444"></a>00444 <span class="keywordtype">int</span> exitCode = <a class="code" href="classKUniqueApplication.html#a6465cb42cbf9639ddf13a8296d95d2cf" title="Creates a new "instance" of the application.">newInstance</a>();
<a name="l00445"></a>00445 d->firstInstance = <span class="keyword">false</span>;
<a name="l00446"></a>00446 <span class="preprocessor">#if defined Q_WS_X11</span>
<a name="l00447"></a>00447 <span class="preprocessor"></span> <span class="keywordflow">if</span>( s_handleAutoStarted )
<a name="l00448"></a>00448 KStartupInfo::handleAutoAppStartedSending(); <span class="comment">// KDE4 remove?</span>
<a name="l00449"></a>00449 <span class="preprocessor">#endif</span>
<a name="l00450"></a>00450 <span class="preprocessor"></span> <a class="codeRef" href="qdatastream.html">QDataStream</a> rs(replyData, IO_WriteOnly);
<a name="l00451"></a>00451 rs << exitCode;
<a name="l00452"></a>00452 replyType = <span class="stringliteral">"int"</span>;
<a name="l00453"></a>00453 }
<a name="l00454"></a>00454 <a class="code" href="classKApplication.html#a70b63a8a22f2544d0e322fb6a4f2571b" title="Returns a pointer to a DCOPClient for the application.">dcopClient</a>()-><a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPClient.html#aa6d4ac498ed1d7db1c8507980232c334">endTransaction</a>( request->transaction, replyType, replyData);
<a name="l00455"></a>00455 <span class="keyword">delete</span> request;
<a name="l00456"></a>00456 }
<a name="l00457"></a>00457
<a name="l00458"></a>00458 d->processingRequest = <span class="keyword">false</span>;
<a name="l00459"></a>00459 }
<a name="l00460"></a>00460
<a name="l00461"></a><a class="code" href="classKUniqueApplication.html#a2fd06aa50af9b3e77eed1feb5683116a">00461</a> <span class="keywordtype">bool</span> <a class="code" href="classKUniqueApplication.html#a2fd06aa50af9b3e77eed1feb5683116a" title="Returns whether newInstance() is being called while session restoration is in progress.">KUniqueApplication::restoringSession</a>()
<a name="l00462"></a>00462 {
<a name="l00463"></a>00463 <span class="keywordflow">return</span> d->firstInstance && <a class="code" href="classKApplication.html#a49d25f4dfa0601b0d8a5925542882a87" title="Is the application restored from the session manager?">isRestored</a>();
<a name="l00464"></a>00464 }
<a name="l00465"></a>00465
<a name="l00466"></a><a class="code" href="classKUniqueApplication.html#a6465cb42cbf9639ddf13a8296d95d2cf">00466</a> <span class="keywordtype">int</span> <a class="code" href="classKUniqueApplication.html#a6465cb42cbf9639ddf13a8296d95d2cf" title="Creates a new "instance" of the application.">KUniqueApplication::newInstance</a>()
<a name="l00467"></a>00467 {
<a name="l00468"></a>00468 <span class="keywordflow">if</span> (!d->firstInstance)
<a name="l00469"></a>00469 {
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="keywordflow">if</span> ( <a class="codeRef" href="qapplication.html#mainWidget">mainWidget</a>() )
<a name="l00472"></a>00472 {
<a name="l00473"></a>00473 <a class="codeRef" href="qapplication.html#mainWidget">mainWidget</a>()->show();
<a name="l00474"></a>00474 <span class="preprocessor">#if defined Q_WS_X11</span>
<a name="l00475"></a>00475 <span class="preprocessor"></span> <span class="comment">// This is the line that handles window activation if necessary,</span>
<a name="l00476"></a>00476 <span class="comment">// and what's important, it does it properly. If you reimplement newInstance(),</span>
<a name="l00477"></a>00477 <span class="comment">// and don't call the inherited one, use this (but NOT when newInstance()</span>
<a name="l00478"></a>00478 <span class="comment">// is called for the first time, like here).</span>
<a name="l00479"></a>00479 KStartupInfo::setNewStartupId( <a class="codeRef" href="qapplication.html#mainWidget">mainWidget</a>(), kapp->startupId());
<a name="l00480"></a>00480 <span class="preprocessor">#endif</span>
<a name="l00481"></a>00481 <span class="preprocessor"></span> }
<a name="l00482"></a>00482 }
<a name="l00483"></a>00483 <span class="keywordflow">return</span> 0; <span class="comment">// do nothing in default implementation</span>
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485
<a name="l00486"></a>00486 <span class="keywordtype">void</span> KUniqueApplication::setHandleAutoStarted()
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 s_handleAutoStarted = <span class="keyword">false</span>;
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="keywordtype">void</span> KUniqueApplication::virtual_hook( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">void</span>* data )
<a name="l00492"></a>00492 { KApplication::virtual_hook( <span class="keywordtype">id</span>, data );
<a name="l00493"></a>00493 <a class="codeRef" doxygen="dcop.tag:../../dcop/html/" href="../../dcop/html/classDCOPObject.html#a99aa5f42341a53516b7a46f0e75af49a">DCOPObject::virtual_hook</a>( <span class="keywordtype">id</span>, data ); }
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="preprocessor">#include "kuniqueapplication.moc"</span>
</pre></div></div>
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