counterlabel.py 文件源码

def reposition(self):

        fm = QFontMetricsF(self._font, self)
        rect = fm.boundingRect(QRectF(self.rect()), Qt.AlignCenter,
                str(self._value))
        self._xpos = -rect.width()/2.0
        self._ypos = rect.height()/2.0 - fm.descent()
        self.update()

    # Provide getter and setter methods for the font property.