docs: def emitSchemaColumnChanged(self, column):
          """
          Emits the current column changed signal.
          
          :param      column | <orb.Column> || None
          """
          edit = self.lineEdit()
          if edit:
              edit.setText(self.navigator().currentSchemaPath())
              
          if not self.signalsBlocked():
              self.schemaColumnChanged.emit(column)