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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def react_to_event(self, event):
 """Check whether the given event should be handled Checks, whether the editor widget has the focus and whether the selected state machine corresponds to the state machine of this editor. :param event: GTK event object :return: True if the event should be handled, else False :rtype: bool """

        if not react_to_event(self.view, self.view.editor, event):
            return False
        if not rafcon.gui.singleton.state_machine_manager_model.selected_state_machine_id == \
                self.model.state_machine.state_machine_id:
            return False
        return True