QMouseEvent' 对象没有属性 'pos'

I'm trying to move a label that is in a Scrollabel Area to a frame, and i get the following error: "PyQT6: 'QMouseEvent' object has no attribute 'pos' "

代码如下:

class DraggableLabel(QLabel):
    def init(self, parent, image):
        super(QLabel, self).init(parent)
        pixmap = QPixmap(image)
        pixmap = pixmap.scaled(120, 120)

        self.setPixmap(pixmap)
        # self.show()

    def mousePressEvent(self, event):
        if event.button() == Qt.MouseButtons.LeftButton:
            # print('Evento: ', event.screenPos())
            self.drag_start_position = event.pos()

    def mouseMoveEvent(self, event):
        if not (event.buttons() & Qt.MouseButtons.LeftButton):
            return
        if (event.pos() - self.drag_startposition).manhattanLength() < QApplication.startDragDistance():
            return

        drag = QDrag(self)
        mimedata = QMimeData()
        mimedata.setText(self.text())
        mimedata.setImageData(self.pixmap().toImage())

        drag.setMimeData(mimedata)
        pixmap = QPixmap(self.size())
        painter = QPainter(pixmap)
        painter.drawPixmap(self.rect(), self.grab())
        painter.end()
        drag.setPixmap(pixmap)
        drag.setHotSpot(event.pos())
        drag.exec(Qt.CopyAction | Qt.MoveAction)

编辑

追溯:

PS C:UsersdougProjetos> & C:/Python/python.exe c:/Users/doug/Projetos/main.py
qt.gui.imageio: libpng warning: iCCP: known incorrect sRGB profile
Traceback (most recent call last):
  File "c:Usersdoug_Projetoslibsys_functions.py", line 25, in mousePressEvent
    self.drag_start_position = event.pos()
AttributeError: 'QMouseEvent' object has no attribute 'pos'

解决方案

Qt6 重构了事件输入 API 以适应新技术(阅读 https://www.qt.io/blog/input-events-in-qt-6 了解更多信息)所以它引入了新的基础诸如 QSinglePointEvent 之类的 QMouseEvent 继承自的类具有返回事件位置(在本例中为鼠标)的 position() 方法.即便如此，Qt6 有 pos() 方法是多余的，但为了兼容性而维护，但似乎 PyQt6 已经消除了它，这似乎是一个错误，因为 PySide6 仍然保持它与 Qt6 的兼容性.所以在这种情况下，你应该使用 position() 而不是 pos().