uiBasicWidget.py 文件源码

def plotText(self):
        """?????"""
        lenClose = len(self.listClose)

        if lenClose >= 5:                                       # Fractal Signal
            if self.listClose[-1] > self.listClose[-2] and self.listClose[-3] > self.listClose[-2] and self.listClose[-4] > self.listClose[-2] and self.listClose[-5] > self.listClose[-2] and self.listfastEMA[-1] > self.listslowEMA[-1]:
                ## Draw an arrowhead next to the text box
                # self.pw2.removeItem(self.arrow)
                self.arrow = pg.ArrowItem(pos=(lenClose-1, self.listLow[-1]), angle=90, brush=(255, 0, 0))
                self.pw2.addItem(self.arrow)
            elif self.listClose[-1] < self.listClose[-2] and self.listClose[-3] < self.listClose[-2] and self.listClose[-4] < self.listClose[-2] and self.listClose[-5] < self.listClose[-2] and self.listfastEMA[-1] < self.listslowEMA[-1]:
                ## Draw an arrowhead next to the text box
                # self.pw2.removeItem(self.arrow)
                self.arrow = pg.ArrowItem(pos=(lenClose-1, self.listHigh[-1]), angle=-90, brush=(0, 255, 0))
                self.pw2.addItem(self.arrow)

    #----------------------------------------------------------------------