Added client callback interface.

src/net/common/clientthread.cpp

@@ -26,8 +26,8 @@
 using namespace std;
 
 
-ClientThread::ClientThread(GuiInterface &gui)
-: m_curState(NULL), m_gui(gui)
+ClientThread::ClientThread(ClientCallback &cb)
+: m_curState(NULL), m_callback(cb)
 {
 	m_data.reset(new ClientData);
 	m_curState = &CLIENT_INITIAL_STATE::Instance();
@@ -53,7 +53,7 @@ ClientThread::Main()
 {
 	while (!ShouldTerminate())
 	{
-		GetState().Process(*this, m_gui);
+		GetState().Process(*this, m_callback);
 	}
 }