def mtext_refreshed(self, callback):
"""
Subscribe a callback for mtext refresh events.
"""
register_callback(self._mtext_refreshed_callbacks, callback)
def position_changed(self, callback):
"""
Subscribe a callback for cursor position changed events.
"""
register_callback(self._position_changed_callbacks, callback)
def maturity_changed(self, callback):
"""
Subscribe a callback for maturity changed events.
"""
register_callback(self._maturity_changed_callbacks, callback)