def __init__(self, tab_manager, cmd_processor, app_state):
self.blocked = False
self._app_state = app_state
self._main_window = MainWindow(app_state, cmd_processor, tab_manager,
self)
self._app_state.mode = AppState.MODE_NORMAL
events.register_handler(events.ProgramExit, lambda *args: self._exit())
events.register_handler(events.ColorChange, self._color_changed)
self.loop = urwid.MainLoop(self._main_window,
unhandled_input=self._key_pressed)
