# dcop Library API Documentation

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# testdcop.cpp

    00001 /*****************************************************************
    00002
    00003 Copyright (c) 1999 Preston Brown <pbrown@kde.org>
    00004 Copyright (c) 1999 Matthias Ettrich <ettrich@kde.org>
    00005
    00006 Permission is hereby granted, free of charge, to any person obtaining a copy
    00007 of this software and associated documentation files (the "Software"), to deal
    00008 in the Software without restriction, including without limitation the rights
    00009 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00010 copies of the Software, and to permit persons to whom the Software is
    00011 furnished to do so, subject to the following conditions:
    00012
    00013 The above copyright notice and this permission notice shall be included in
    00014 all copies or substantial portions of the Software.
    00015
    00016 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00017 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00018 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    00019 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
    00020 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
    00021 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    00022
    00023 ******************************************************************
    00024 */
    00025
    00026 #include <testdcop.h>
    00027
    00028 bool MyDCOPObject::process(const QCString &fun, const QByteArray &data,
    00029                            QCString& replyType, QByteArray &replyData)
    00030 {
    00031   qDebug("in MyDCOPObject::process, fun = %s", fun.data());
    00032
    00033   // note "fun" is normlized here (i.e. whitespace clean)
    00034   if (fun == "aFunction(QString,int)") {
    00035     QDataStream args(data, IO_ReadOnly);
    00036     QString arg1;
    00037     int arg2;
    00038     args >> arg1 >> arg2;
    00039     function(arg1, arg2);
    00040     replyType = "void";
    00041     return true;
    00042   }
    00043   if (fun == "canLaunchRockets(QRect)") {
    00044     QDataStream args(data, IO_ReadOnly);
    00045     QRect arg1;
    00046     args >> arg1;
    00047
    00048     printf("Rect x = %d, y = %d, w = %d, h = %d\n", arg1.x(), arg1.y(), arg1.width(), arg1.height());
    00049
    00050     replyType = "QRect";
    00051     QDataStream reply( replyData, IO_WriteOnly );
    00052     QRect r(10,20,100,200);
    00053     reply << r;
    00054     return true;
    00055   }
    00056   if (fun == "isAliveSlot(int)") {
    00057
    00058     qDebug("isAliveSlot(int)");
    00059     bool connectResult = kapp->dcopClient()->disconnectDCOPSignal("", objId(), "", objId(), "" );
    00060     qDebug("disconnectDCOPSignal returns %s", connectResult ? "true" : "false");
    00061     return true;
    00062   }
    00063
    00064   return DCOPObject::process(fun, data, replyType, replyData);
    00065 }
    00066
    00067 QCStringList MyDCOPObject::functions()
    00068 {
    00069    QCStringList result = DCOPObject::functions();
    00070    result << "QRect canLaunchRockets(QRect)";
    00071    return result;
    00072 }
    00073
    00074 int main(int argc, char **argv)
    00075 {
    00076   KApplication app(argc, argv, "testdcop");
    00077
    00078   QCString replyType;
    00079   QByteArray data, reply;
    00080   DCOPClient *client; client = app.dcopClient();
    00081
    00082 //  client->attach(); // attach to the server, now we can use DCOP service
    00083
    00084   client->registerAs( app.name(), false ); // register at the server, now others can call us.
    00085   qDebug("I registered as '%s'", client->appId().data() );
    00086
    00087   if ( client->isApplicationRegistered( app.name() ) )
    00088       qDebug("indeed, we are registered!");
    00089
    00090   QDataStream dataStream( data, IO_WriteOnly );
    00091   dataStream << (int) 43;
    00092   client->emitDCOPSignal("alive(int,QCString)", data);
    00093
    00094   MyDCOPObject *obj1 = new MyDCOPObject("object1");
    00095
    00096   bool connectResult = client->connectDCOPSignal("", "alive(int , QCString)", "object1", "isAliveSlot(int)", false);
    00097   qDebug("connectDCOPSignal returns %s", connectResult ? "true" : "false");
    00098
    00099   QDataStream ds(data, IO_WriteOnly);
    00100   ds << QString("fourty-two") << 42;
    00101   if (!client->call(app.name(), "object1", "aFunction(QString,int)", data, replyType, reply))
    00102     qDebug("I couldn't call myself");
    00103   else
    00104       qDebug("return type was '%s'", replyType.data() );
    00105
    00106   client->send(app.name(), "object1", "aFunction(QString,int)", data );
    00107
    00108   int n = client->registeredApplications().count();
    00109   qDebug("number of attached applications = %d", n );
    00110
    00111   QObject::connect( client, SIGNAL( applicationRegistered( const QCString&)),
    00112                     obj1, SLOT( registered( const QCString& )));
    00113
    00114   QObject::connect( client, SIGNAL( applicationRemoved( const QCString&)),
    00115                     obj1, SLOT( unregistered( const QCString& )));
    00116
    00117   // Enable the above signals
    00118   client->setNotifications( true );
    00119
    00120   QCString foundApp;
    00121   QCString foundObj;
    00122
    00123   // Find a object called "object1" in any application that
    00124   // meets the criteria "canLaunchRockets()"
    00125 //  bool boolResult = client->findObject( "", "object1", "canLaunchRockets()", data, foundApp, foundObj);
    00126 //  qDebug("findObject: result = %s, %s, %s\n", boolResult ? "true" : "false",
    00127 //      foundApp.data(), foundObj.data());
    00128
    00129   // Find an application that matches with "konqueror*"
    00130   bool boolResult = client->findObject( "konqueror*", "", "", data, foundApp, foundObj);
    00131   qDebug("findObject: result = %s, %s, %s\n", boolResult ? "true" : "false",
    00132         foundApp.data(), foundObj.data());
    00133
    00134   // Find an object called "object1" in any application.
    00135   boolResult = client->findObject( "", "ksycoca", "", data, foundApp, foundObj);
    00136   qDebug("findObject: result = %s, %s, %s\n", boolResult ? "true" : "false",
    00137         foundApp.data(), foundObj.data());
    00138
    00139   DCOPClient *client2 = new DCOPClient();
    00140   client2->registerAs(app.name(), false);
    00141   qDebug("I2 registered as '%s'", client2->appId().data() );
    00142
    00143 qDebug("Sending to object1");
    00144   client2->send(app.name(), "object1", "aFunction(QString,int)", data );
    00145
    00146 qDebug("Calling object1");
    00147   if (!client2->call(app.name(), "object1", "aFunction(QString,int)", data, replyType, reply))
    00148     qDebug("I couldn't call myself");
    00149   else
    00150       qDebug("return type was '%s'", replyType.data() );
    00151
    00152   return app.exec();
    00153
    00154   client->detach();
    00155 }
    00156
    00157 #include "testdcop.moc"

This file is part of the documentation for kdelibs Version 3.1.5.
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