def _syncDeviceState(self):
"""
An optimized iohub server request that receives all device state and
event information in one response.
:return: None
"""
kb_state = self.getCurrentDeviceState()
self._reporting = kb_state.get('reporting_events')
self._modifiers = KeyboardConstants._modifierCodes2Labels(
kb_state.get('modifiers', 0))
pressed_keys = kb_state.get('pressed_keys')
self._pressed_keys.clear()
for keyid, (key_array, repeatcount) in pressed_keys.items():
self._pressed_keys[key_array[KeyboardEvent._attrib_index['key']]]\
= \
key_array[DeviceEvent.EVENT_HUB_TIME_INDEX]
for etype, event_arrays in kb_state.get('events').items():
self._events.setdefault(etype, deque(
maxlen=self._event_buffer_length)).extend(
[self._type2class[etype](e) for e in event_arrays])
def __init__(self, ioe_array):
super(KeyboardEvent, self).__init__(ioe_array)
self._key = ioe_array[KeyboardEvent._attrib_index['key']]
self._char = ioe_array[KeyboardEvent._attrib_index['char']]
self._modifiers = KeyboardConstants._modifierCodes2Labels(
ioe_array[KeyboardEvent._attrib_index['modifiers']])
def __init__(self, ioe_array):
super(KeyboardEvent, self).__init__(ioe_array)
self._key = ioe_array[KeyboardEvent._attrib_index['key']]
self._char = ioe_array[KeyboardEvent._attrib_index['char']]
self._modifiers = KeyboardConstants._modifierCodes2Labels(
ioe_array[KeyboardEvent._attrib_index['modifiers']])