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  1. Qt for Python
  2. PYSIDE-2506

Unable to subclass QPaintDeviceWindow

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    • Icon: Bug Bug
    • Resolution: Out of scope
    • Icon: P4: Low P4: Low
    • None
    • 6.x, 6.2.0, 5.15.15
    • PySide
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    • 1a8923df9 (dev), 97b3ce600 (6.6)

      When trying to subclass QPaintDeviceWindow from python the application throws an exception when trying to instantiate the new subclass:

      TypeError: PySide6.QtGui.QWindow isn't a direct base class of <name-of-my-subclass>

      This is 100% reproducible by simply creating a new class that inherits from PySide6.QtGui.QPaintDeviceWindow even if the class has as little code as this:

      class CustomWindow(PySide6.QtGui.QPaintDeviceWindow):
  pass

      See the sample.pyfor a full code example.

      class Q_GUI_EXPORT QPaintDeviceWindow : public QWindow, public QPaintDevice

      similar to

      class Q_WIDGETS_EXPORT QWidget : public QObject, public QPaintDevice

        1. sample.py
          0.3 kB
          Rene Koecher
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            ctismer Christian Tismer
            rkoecher Rene Koecher
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              Created:
              Updated:
              Resolved:

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