def dragFixedStaff(self, *pos):
if self.contentIdxLocked:
self.dragStaff.origin = self.rossecorp(Point(*pos))
self.content[self.contentIdx] = self.dragStaff.getPoints()
self.dragStaff = None
self.contentIdx = -1
self.contentIdxLocked = False
elif self.content and 0<=self.contentIdx<len(self.content) and type(self.content[self.contentIdx]) is list:
cnt = Contour()
cnt.points = self.content[self.contentIdx]
cnt.setInstruct(cnt.getInstruct())
self.dragStaff = cnt
self.content[self.contentIdx] = None
self.contentIdxLocked = True
