Method handleSeriesHoverd

QtChart/LineStack.py:222–229

(self, point, state)

        series.setPen(pen)

    def handleSeriesHoverd(self, point, state):
        # 设置series的画笔宽度
        series = self.sender()  # 信号发送者
        pen = series.pen()
        if not pen:
            return
        pen.setWidth(pen.width() + (1 if state else -1))
        series.setPen(pen)

    def initChart(self):
        self._chart = QChart(title="折线图堆叠")