code: def update(self):
          
          self.filename = self.parent.notes.annot.xml_file
          
          self.event_types = self.parent.notes.annot.event_types
          self.idx_evt_type.clear()
          for ev in self.event_types:
              self.idx_evt_type.addItem(ev)
docs: Update the event types list, info, when dialog is opened.