diff --git a/src/callbacks.py b/src/callbacks.py
index ae9c172..4f19d12 100644
--- a/src/callbacks.py
+++ b/src/callbacks.py
@@ -1,11 +1,39 @@
+from PySide import QtCore
 # TODO: add all callbacks (replace test callbacks and use wrappers)
 
 
+class InvokeEvent(QtCore.QEvent):
+    EVENT_TYPE = QtCore.QEvent.Type(QtCore.QEvent.registerEventType())
+
+    def __init__(self, fn, *args, **kwargs):
+        QtCore.QEvent.__init__(self, InvokeEvent.EVENT_TYPE)
+        self.fn = fn
+        self.args = args
+        self.kwargs = kwargs
+
+
+class Invoker(QtCore.QObject):
+
+    def event(self, event):
+        event.fn(*event.args, **event.kwargs)
+        return True
+
+_invoker = Invoker()
+
+
+def invoke_in_main_thread(fn, *args, **kwargs):
+    QtCore.QCoreApplication.postEvent(_invoker, InvokeEvent(fn, *args, **kwargs))
+
+
+def repaint_widget(widget):
+    return widget.repaint
+
+
 def self_connection_status(st):
-    def wrapped(a, b, c):
-        print 'WOW, it works!'
-        print 'Status: ', str(b)
-        st.status = b
+    def wrapped(tox, connection, user_data):
+        print 'Connection status: ', str(connection)
+        st.status = connection
+        invoke_in_main_thread(repaint_widget(st))
     return wrapped
 
 
diff --git a/src/main.py b/src/main.py
index b6448bf..7bc9548 100644
--- a/src/main.py
+++ b/src/main.py
@@ -5,7 +5,6 @@ from profile import Profile, tox_factory
 import sys
 from PySide import QtCore, QtGui
 from callbacks import init_callbacks
-from tox import Tox
 from bootstrap import node_generator
 
 
@@ -74,6 +73,7 @@ def main():
     # bootstrap
     for data in node_generator():
         tox.bootstrap(*data)
+    # initializing callbacks
     init_callbacks(tox, ms)
     # starting thread for tox iterate
     mainloop = ToxIterateThread(tox)
diff --git a/src/util.py b/src/util.py
index 8b5928c..0aac000 100644
--- a/src/util.py
+++ b/src/util.py
@@ -1,4 +1,4 @@
-
+import os
 
 program_version = '0.0.1 (alpha)'
 
@@ -15,3 +15,7 @@ def string_to_bin(tox_id):
 def bin_to_string(raw_id):
     res = ''.join('{:02x}'.format(ord(x)) for x in raw_id)
     return res.upper()
+
+
+def curr_directory():
+    return os.path.dirname(os.path.realpath(__file__))
diff --git a/tests/tests.py b/tests/tests.py
index 8c19bcb..c488884 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -59,7 +59,7 @@ class TestNodeGen():
 
 class TestTox():
 
-    def test_creation(self):
+    def test_loading(self):
         data = Profile.open_profile(Settings.get_default_path(), 'tox_save')
         settings = Settings.get_default_settings()
         tox = tox_factory(data, settings)