tooltips.py 文件源码

def mousePressEvent(self, event):
        if event.button() == Qt.LeftButton:
            index = self.itemAt(event.pos())
            if index != -1:
                self.itemInMotion = self.shapeItems[index]
                self.previousPosition = event.pos()

                value = self.shapeItems[index]
                del self.shapeItems[index]
                self.shapeItems.insert(len(self.shapeItems) - 1, value)

                self.update()