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  1. Qt
  2. QTBUG-104731

xcb: Window opacity might not be immediately set

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    • Linux/X11

    Description

      When QWidget::setWindowOpacity is set for a window, it might randomly still be painted at 100% opacity for a frame. Can be reproduced on Ubuntu and RHEL with attached example.

      It looks like moving the setOpacity call in qxcbwindow.cpp to right after xcb_create_window fixes this at least.

      Attachments

        1. fix_windowopacity_qt_6.3.diff
          0.9 kB
          Joni Poikelin
        2. qtbug104731.zip
          0.7 kB
          Joni Poikelin
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            tokorpip Tomi Korpipää
            poikelin Joni Poikelin
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            Dates

              Created:
              Updated:
              Resolved:

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