timeline.py 文件源码

def shape(self):
        """Return a more accurate shape for this item so that
        mouse hovering is more accurate"""
        path = QtGui.QPainterPath()
        path.addRect(QtCore.QRectF(-2, -2, 4, self.parentCCPath.rect().height() + 4 )) #this is directly related to inits parameter x, y, w, h
        return path