Now communication using signal and slots

between threads is working rightly

plugins/skauth.cpp

@@ -42,12 +42,12 @@ void SkyliveAuth::startPlugin()
 }
 
 
-void SkyliveAuth::receiveMessage(std::string &msg)
+void SkyliveAuth::receiveMessage(std::string msg)
 {
    std::cout << "SkyliveAuth receive" << msg << std::endl;
 }
 
-void SkyliveAuth::sendMessage(std::string &msg)
+void SkyliveAuth::sendMessage(std::string msg)
 {
    emit putMessage(msg);
 }

plugins/skauth.h

@@ -44,11 +44,11 @@ class SkyliveAuth : public QObject, SkylivexPluginInterface
 
    public:
       void startPlugin();
-      void sendMessage(std::string &msg);
+      void sendMessage(std::string msg);
    public slots:
-      void receiveMessage(std::string &msg);
+      void receiveMessage(std::string msg);
    signals:
-      void putMessage(std::string  &msg);
+      void putMessage(std::string  msg);
 
 };
 

plugins/skproto.cpp

@@ -43,12 +43,12 @@ void SkyliveProtocol::startPlugin()
    sendMessage(prova);
 }
 
-void SkyliveProtocol::receiveMessage(std::string &msg)
+void SkyliveProtocol::receiveMessage(std::string msg)
 {
    std::cout << "SkyliveProtocol receive" << msg << std::endl;
 }
 
-void SkyliveProtocol::sendMessage(std::string &msg)
+void SkyliveProtocol::sendMessage(std::string msg)
 {
    emit putMessage(msg);
 }

plugins/skproto.h

@@ -44,10 +44,10 @@ class SkyliveProtocol : public QObject, SkylivexPluginInterface
 
    public:
       void startPlugin();
-      void sendMessage(std::string &msg);
+      void sendMessage(std::string msg);
    public slots:
-      void receiveMessage(std::string &msg);
+      void receiveMessage(std::string msg);
    signals:
-      void putMessage(std::string &msg);
+      void putMessage(std::string msg);
 };
 

src/mainwin.cpp

@@ -67,5 +67,5 @@ MainWin::~MainWin()
 
 void MainWin::msgFromCore(std::string &msg)
 {
-   //std::cout << "Message from core: " << msg << std::endl;
+   std::cout << "Message from core: " << msg << std::endl;
 }

src/skylivex.cpp

@@ -43,12 +43,14 @@
 #include "pluginsinterfaces.h"
 #include <iostream>
 
+Q_DECLARE_METATYPE(std::string)
 
 
 // Load and initialize plugins and shared memory communication
 void SkyliveX::initialize()
 {
    std::cout << "antani" << std::endl;
+   qRegisterMetaType<std::string>("std::string");
    loadPlugins();
 }
 
@@ -125,7 +127,7 @@ void SkyliveX::receiveFromMainWin(std::string &msg)
    emit msgForPlugins(msg);
 }
 
-void SkyliveX::receiveFromPlugins(std::string &msg)
+void SkyliveX::receiveFromPlugins(std::string msg)
 {
    sendMessage(msg);
 }

src/skylivex.h

@@ -67,12 +67,12 @@ class SkyliveX : public QObject
      void initialize();
      void process();
      void receiveFromMainWin(std::string &msg);
-     void receiveFromPlugins(std::string &msg);
+     void receiveFromPlugins(std::string msg);
 
    signals:
       void finished();
       void msgForMainWin(std::string &msg);
-      void msgForPlugins(std::string &msg);
+      void msgForPlugins(std::string msg);
 };
 
 #endif