uiCrosshair.py 文件源码

def __init__(self,parent):
        """Constructor"""
        self.__view = parent

        super(Crosshair, self).__init__()
        self.__vLine = pg.InfiniteLine(angle=90, movable=False)
        self.__hLine = pg.InfiniteLine(angle=0, movable=False)
        self.__textPrice = pg.TextItem('price')
        self.__textDate = pg.TextItem('date')

        #mid ?y??????????????????
        self.__textLastPrice = pg.TextItem('lastTickPrice')    

        view = self.__view

        view.addItem(self.__textDate, ignoreBounds=True)
        view.addItem(self.__textPrice, ignoreBounds=True)        
        view.addItem(self.__vLine, ignoreBounds=True)
        view.addItem(self.__hLine, ignoreBounds=True)    
        view.addItem(self.__textLastPrice, ignoreBounds=True)     
        self.proxy = pg.SignalProxy(view.scene().sigMouseMoved, rateLimit=60, slot=self.__mouseMoved)        

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