diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56dd9d7..9d851b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,9 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -pthread")
 find_package(Boost COMPONENTS system REQUIRED)
 include_directories(${Boost_INCLUDE_DIR})
 
-set(SOURCE_FILES commandline_chat.cpp chat_messages.hpp chat_networking.hpp)
+find_package(Qt5Widgets)
+set(CMAKE_AUTOMOC ON)
+
+set(SOURCE_FILES gui_chat.cpp chat_window.hpp chat_messages.hpp chat_networking.hpp check_policy.hpp)
 add_executable(cpp11NHF2_chat ${SOURCE_FILES})
-target_link_libraries(cpp11NHF2_chat ${Boost_LIBRARIES})
+target_link_libraries(cpp11NHF2_chat ${Boost_LIBRARIES} Qt5::Widgets)
\ No newline at end of file
diff --git a/chat_window.hpp b/chat_window.hpp
index 0dce1ac..ca7aca7 100644
--- a/chat_window.hpp
+++ b/chat_window.hpp
@@ -3,9 +3,31 @@
 #include <QGridLayout>
 #include <QLineEdit>
 #include <QListWidget>
+#include <boost/asio.hpp>
+#include <thread>
+#include "chat_networking.hpp"
 
 
 
+struct receive_policy_ignore
+{
+    static void message_do_what(const chat::chat_message& msg) {}
+    static void handshake_do_what(const chat::chat_message& msg) {}
+    static void serverdirection_do_what(const chat::chat_message& msg) {}
+    static void login_do_what(const chat::chat_message& msg) {}
+    static void logout_do_what(const chat::chat_message& msg) {}
+    static void invalid_msg_do_what(const chat::chat_message& msg)
+    { throw std::runtime_error("Invalid message received!"); }
+};
+
+struct send_policy_ignore
+{
+    /* this is handled in the gui: QLineEdit.setMaxLength() */
+    static bool check_msg_length(const chat::chat_message& msg)
+    { return true; }
+};
+
+
 class chat_window : public QWidget
 {
     Q_OBJECT
@@ -15,15 +37,47 @@ class chat_window : public QWidget
     QListWidget* _people;
     QLineEdit* _msg;
 
+
+    boost::asio::io_service _ios;
+    boost::asio::ip::tcp::resolver::query _query;
+    chat::client_network_manager<receive_policy_ignore, send_policy_ignore> _cnm;
+    std::thread _iosthread;
+
+
 public:
     explicit chat_window(QWidget* parent = 0)
-    :QWidget(parent)
-    { setupUi(); }
+    :QWidget(parent), _ios(), _query("infoc.eet.bme.hu", "8888"),
+     _cnm(_ios, boost::asio::ip::tcp::resolver(_ios).resolve(_query), "BATMAN"),
+     _iosthread([this]{ _ios.run(); })
+    {
+        _cnm.subscribe(std::bind(&chat_window::receive_handler, this, std::placeholders::_1));
+        setupUi();
+    }
+
+    void receive_handler(chat::chat_message msg)
+    {
+        switch (msg.get_header())
+        {
+            case chat::message::MESSAGE:
+            case chat::message::SERVER_DIRECTION:
+                _chat->addItem(msg.get_content().c_str());
+                break;
+            case chat::message::LOGIN:
+                _people->addItem(msg.get_content().c_str());
+                break;
+            case chat::message::LOGOUT:
+                auto list = _people->findItems(msg.get_content().c_str(), Qt::MatchExactly);
+                if (list.size() > 0)
+                    delete list[0];
+                break;
+        }
+    }
 
 public slots:
     void return_handler()
     {
         _chat->addItem(_msg->text());
+        _cnm.send(chat::chat_message(chat::message::MESSAGE, _msg->text().toStdString()));
         _msg->clear();
     };
 
@@ -38,6 +92,7 @@ private:
         _people = new QListWidget();
 
         _msg = new QLineEdit();
+        _msg->setMaxLength(220);
         connect(_msg, &QLineEdit::returnPressed, this, &chat_window::return_handler);
 
         _layout->addWidget(_chat, 0, 0, 1, 1);
@@ -46,4 +101,10 @@ private:
 
         this->setLayout(_layout);
     }
-};
\ No newline at end of file
+
+    void closeEvent(QCloseEvent* event)
+    {
+        _cnm.close_connection();
+        _iosthread.join();
+    }
+};
diff --git a/gui_chat.cpp b/gui_chat.cpp
new file mode 100644
index 0000000..a89b3ca
--- /dev/null
+++ b/gui_chat.cpp
@@ -0,0 +1,13 @@
+#include <QApplication>
+#include "chat_window.hpp"
+
+
+
+int main(int argc, char* argv[])
+{
+    QApplication a(argc, argv);
+    chat_window w;
+    w.show();
+
+    return a.exec();
+}
\ No newline at end of file