def _wait_for_data(self):
next_poll = self._handle_data()
socks = dict(self._poller.poll(timeout=self.poll_timeout))
if self._handshake_socket in socks and \
socks[self._handshake_socket] == zmq.POLLIN:
self._handle_connection()
GUI.invoke_after(next_poll, self._wait_for_data)
def _play_func(self):
'''
Called while play button is selected
:return:
'''
if self._play_thread:
if self._last_clicked_direction is not None:
self._last_clicked_direction()
else:
self.move_forward()
GUI.invoke_after(1000, self._play_func)
def _play_button_changed(self, play_pressed):
'''
Triggered when play button is selected
:param play_pressed:
:return:
'''
if play_pressed:
if not self._play_thread:
self._play_thread = True
GUI.invoke_after(1, self._play_func)
else:
self._play_thread = False
def _play_func(self):
'''
Called while play button is selected
:return:
'''
if self._play_thread:
if self._last_clicked_direction is not None:
self._last_clicked_direction()
else:
self.move_forward()
GUI.invoke_after(1000, self._play_func)
def _play_button_changed(self, play_pressed):
'''
Triggered when play button is selected
:param play_pressed:
:return:
'''
if play_pressed:
if not self._play_thread:
self._play_thread = True
GUI.invoke_after(1, self._play_func)
else:
self._play_thread = False
def start(self):
self._zmq_context = zmq.Context()
self._poller = zmq.Poller()
self._handshake_socket = self._zmq_context.socket(zmq.REP)
self._handshake_socket.bind(self.handshake_string)
self._data_socket = self._zmq_context.socket(zmq.SUB)
self._data_socket.setsockopt(zmq.SUBSCRIBE, '')
self._data_socket.connect(self.data_string)
self._poller.register(self._handshake_socket, zmq.POLLIN)
self._poller.register(self._data_socket, zmq.POLLIN)
GUI.invoke_after(self.poll_period, self._wait_for_data)
