sheetview.py 文件源码

def mousePressEvent(self, event):
            if event.button() == Qt.LeftButton:
                if self.iodir == "output":
                    self.newbezier = Node.io.BezierCurve(self, None)
                elif self.iodir == "input":
                    self.newbezier = Node.io.BezierCurve(None, self)

                if self.newbezier is not None:
                    self.newbezier.update(QPointF(event.pos() + self.pos() + self.parent.pos()))

                self.parent.parent.scene.addItem(self.newbezier)
            elif event.button() == Qt.RightButton:
                self.delAllBezier()