无法在closeEvent中获取Maya的workspaceControl窗口几何体

我一直在用 this Maya中的包装器,以便我可以将Qt窗口设置为 workspaceControl

链接的版本无法处理 closeEvents Qt.WA_DeleteOnClose 作为Qt窗口上的属性并链接 destroyed 发信号给 close()

但是,我发现 geometry , width , move ,等等,由于窗口位于多个级别的家长中,因此无法正常工作。实际上,要获得这些值,您需要调用 self.parent().parent().parent().parent().parent().func() closeEvent 调用,导致错误,因为 self.parent().parent() 回报 None 之后。

下面是我能想到的最简洁的例子:

from PySide2 import QtWidgets, QtCore
from shiboken2 import wrapInstance
import maya.OpenMayaUI as omUI
import pymel.core as pm

def dockable_window(window_class):
    main_control = pm.workspaceControl(window_class.ID)
    win_ptr = omUI.MQtUtil.findControl(window_class.ID)
    control_wrap = wrapInstance(int(win_ptr), QtWidgets.QWidget)
    control_wrap.setAttribute(QtCore.Qt.WA_DeleteOnClose)
    win = window_class(control_wrap)
    control_wrap.destroyed.connect(win.close)

class MyWindow(QtWidgets.QMainWindow):
    ID = 'testing'
    def __init__(self, parent, *args, **kwargs):
        QtWidgets.QMainWindow.__init__(self, parent)

        #Create a button that will show the geometry when clicked
        b = QtWidgets.QPushButton('test')
        b.clicked.connect(self.show_actual_geometry)
        parent.layout().addWidget(b)

    def show_actual_geometry(self):
        """This will work until it is called during closeEvent."""
        print self.parent().parent().parent().parent().parent().geometry()

    def closeEvent(self, event):
        print self.show_actual_geometry()
        QtWidgets.QMainWindow.closeEvent(self, event)

dockable_window(MyWindow)