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  1. Qt
  2. QTBUG-71416

QQuickWidget won't render QML if override resizeEvent and set QT_QUICK_BACKEND=software

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    Description

      Conditions:

      • QQuickWidget::resizeEvent() is overridden in inherited class for resizing contents in QML.
      • set environment variable QT_QUICK_BACKEND=software, or call 

      QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software) in main().

       

      Expectation:

      Rendering QML on QQuickWidget.

       

      Actual:

      Blank.

       

      Reproducible on any environment, Windows, macOS and Linux.

       

      Attached sample calls QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software).

      Attachments

        1. qtbug71416.zip
          3 kB
          Akihito Izawa

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-44876 QQuickWidget: QQuickRootItem is not resized

          • P2: Important - Urgent, should be fixed, but will not stop the release.
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              tvete Paul Olav Tvete
              akizawa Akihito Izawa
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              Dates

                Created:
                Updated:
                Resolved:

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