def xheight_minus_10_callback(self, sender):
        value = float(self.w.xheight_value.get())
        value = int(value) - 10
        self.xheight_update(value)
dataset/ETHPy150Open gferreira/hTools2/Lib/hTools2/dialogs/font/vmetrics_adjust.py/adjustVerticalMetrics.xheight_minus_10_callback/original