Handle primitives in signals properly

src/tools/dbusxml2qt3/methodgen.cpp

@@ -916,7 +916,16 @@ void MethodGenerator::writeSignalEmitter(const Class& classData,
     TQValueList<Argument>::const_iterator endIt = method.arguments.end();
     for (; it != endIt;)
     {
-        stream << "const " << (*it).signature << "& " << (*it).name;
+        if ((!(*it).isPrimitive && (*it).direction == Argument::In) || method.isSignal)
+            stream << "const ";
+
+        stream << (*it).signature;
+
+        if (!(*it).isPrimitive || ((*it).direction == Argument::Out && ! method.isSignal))
+            stream << "&";
+
+        stream << " " << (*it).name;
+
         ++it;
         if (it != endIt) stream << ", ";
     }