menu.py 文件源码

def paintEvent(self, event):
        painter = QPainter()
        painter.begin(self)
        painter.setRenderHint(QPainter.Antialiasing)
        painter.fillRect(event.rect(), QBrush(QColor(127, 127, 127, 127)))
        painter.setPen(QPen(Qt.NoPen))

        for i in range(6):
            if int(self.counter / 10) % 6 == i:
                factor = self.counter % 10
                if factor >= 5:
                    factor = 5 - (self.counter % 5)
                painter.setBrush(QBrush(QColor(95 + factor * 32, 127, 127)))
            else:
                painter.setBrush(QBrush(QColor(127, 127, 127)))
            painter.drawEllipse(
                self.width() / 2 + 30 * math.cos(2 * math.pi * i / 6.0) - 10,
                self.height() / 2 + 30 * math.sin(2 * math.pi * i / 6.0) - 10,
                20, 20)

        painter.end()