port.py 文件源码

def mouseMoveEvent(self, event):
        self.unhighlight()
        scenePos = self.mapToScene(event.pos())

        # When clicking on an UI port label, it is ambigous which connection point should be activated.
        # We let the user drag the mouse in either direction to select the conneciton point to activate.
        delta = scenePos - self.__mousDownPos
        if delta.x() < 0:
            if self.__port.inCircle() is not None:
                self.__port.inCircle().mousePressEvent(event)
        else:
            if self.__port.outCircle() is not None:
                self.__port.outCircle().mousePressEvent(event)

    # def paint(self, painter, option, widget):
    #     super(PortLabel, self).paint(painter, option, widget)
    #     painter.setPen(QtGui.QPen(QtGui.QColor(0, 0, 255)))
    #     painter.drawRect(self.windowFrameRect())