New POSITION_UPDATE event for responses to M114

src/octoprint/events.py

@@ -78,6 +78,7 @@ class Events(object):
 	CONVEYOR = "Conveyor"
 	EJECT = "Eject"
 	E_STOP = "EStop"
+	POSITION_UPDATE = "PositionUpdate"
 	REGISTERED_MESSAGE_RECEIVED = "RegisteredMessageReceived"
 
 	# Timelapse

src/octoprint/printer/standard.py

@@ -956,6 +956,9 @@ class Printer(PrinterInterface, comm.MachineComPrintCallback):
 	def on_comm_temperature_update(self, temp, bedTemp):
 		self._addTemperatureData(copy.deepcopy(temp), copy.deepcopy(bedTemp))
 
+	def on_comm_position_update(self, position):
+		eventManager().fire(Events.POSITION_UPDATE, position)
+
 	def on_comm_state_change(self, state):
 		"""
 		 Callback method for the comm object, called if the connection state changes.

src/octoprint/util/comm.py

@@ -220,6 +220,14 @@ class PositionRecord(object):
 		self.f = other.f
 		self.t = other.t
 
+	def as_dict(self):
+		return dict(x=self.x,
+					y=self.y,
+					z=self.z,
+					e=self.e,
+					t=self.t,
+					f=self.f)
+
 class MachineCom(object):
 	STATE_NONE = 0
 	STATE_OPEN_SERIAL = 1
@@ -1130,6 +1138,8 @@ class MachineCom(object):
 							self._pause_position.copy_from(self._last_position)
 							self._pause_preparation_done()
 
+						self._callback.on_comm_position_update(self._last_position.as_dict())
+
 				# temperature processing
 				elif ' T:' in line or line.startswith('T:') or ' T0:' in line or line.startswith('T0:') or ((' B:' in line or line.startswith('B:')) and not 'A:' in line):
 					if not disable_external_heatup_detection and not line.strip().startswith("ok") and not self._heating:
@@ -2341,6 +2351,9 @@ class MachineComPrintCallback(object):
 	def on_comm_temperature_update(self, temp, bedTemp):
 		pass
 
+	def on_comm_position_update(self, position):
+		pass
+
 	def on_comm_state_change(self, state):
 		pass