1256 	def __init__(self, data, index, x, y, altx=None, alty=None, hregion=None, vregion=None):  argument
1263 		self.hregion = hregion
1277 	def AddPoint(self, x, y, altx=None, alty=None, hregion=None, vregion=None):  argument
1283 		self.points.append(GraphDataPoint(self, index, x, y, altx, alty, hregion, vregion))
1316 			hregion = self.HRegion(db, thread_id, comm_id, time)
1317 			self.AddPoint(time, 1000, None, None, hregion)
1339 				hregion = self.HRegion(db, query.value(1), query.value(3), start_time)
1340 				self.AddPoint(start_time, 1000, None, None, hregion)
1344 			hregion = self.HRegion(db, thread_id, comm_id, time)
1345 			self.AddPoint(time, 1000, None, None, hregion)
1370 		hregion = self.collection.LookupHRegion(key)
1371 		if hregion is None:
1372 			hregion = self.NewHRegion(db, key, thread_id, comm_id, time)
1373 			self.collection.AddHRegion(key, hregion)
1374 		return hregion
1398 	def AddHRegion(self, key, hregion):  argument
1399 		self.hregions[key] = hregion
1448 		if not(last is None or last.hregion.pid == 0 or x < self.attrs.subrange.x.lo):
1462 			colour = self.attrs.region_attributes[last.hregion.key].colour
1517 				hregion = self.data.points[i].hregion
1518 				hregions.add(hregion)
1523 				hregion_times.append((hregion, time))
1966 		hregion = self.child_items[index.row()]
1969 			return hregion.pid
1971 			return hregion.tid
1973 			return hregion.comm
2206 		for hregion in hregions:
2207 			if hregion.pid == 0 and hregion.tid == 0:
2208 				region_attributes[hregion.key] = GraphRegionAttribute(QColor(0, 0, 0))
2210 				region_attributes[hregion.key] = GraphRegionAttribute(colours[i])
2291 		for hregion, time in hregion_times:
2292 			thread_at_time = (hregion.exec_comm_id, hregion.thread_id, time)
2293 …menu_text = "Show Call Tree for {} {}:{} at {}".format(hregion.comm, hregion.pid, hregion.tid, tim…