def __init__(self):
super().__init__()
self.connection = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.protocol("WM_DELETE_WINDOW",
lambda: destroy_all(self.connection, self))
self.title("Chat Client")
self.length_struct = struct.Struct("!I")
self.messenger = Messenger(self.connection, self.length_struct)
self.username = ""
self.password = ""
self.connect = ConnectScreen(self, self.connect_to_server)
self.login = LoginScreen(self, self.check_data)
self.chat = ChatScreen(self, self.handle_out_going)
self.connect.pack()
self.connect.pack_children()
