graphs.py 文件源码

def shape(self):
        """Qt Function
        Return a more accurate shape for this item so that
        mouse hovering is more accurate"""
        path = QtGui.QPainterPath()
        path.addRect(QtCore.QRectF(-3, -1/2 * constantsAndConfigs.trackHeight, 9, constantsAndConfigs.trackHeight)) #this is directly related to inits parameter x, y, w, h
        return path