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  1. Qt
  2. QTBUG-80323

[REG] XCB: Moving window between screens with different DPR doesn't change the scale

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    Details

    • Platform/s:
      Linux/X11
    • Commits:
      c7fec68e1936576070d0fbac6cf40b818366d298 (qt/qtbase/5.14)

      Description

      We have two screens, 3840x2160 (DPR 2) and 1920x1080 (DPR 1).

       

      Run the application with Qt 5.12.6 and "Qt::AA_EnableHighDpiScaling" enabled. Ensure that the application is running on HiDPI screen with a scale > 1.0 (2.0 for example). Move the window to second screen and notice that nothing happens: the window still has scale 2.0 instead of 1.0.

       

      It worked on Qt 5.12.4.

        Attachments

        1. QTBUG-80323-xcb.tar.gz
          1 kB
        2. qtdiag-5.12.4.txt
          8 kB
        3. qtdiag-5.13.2.txt
          8 kB

          Issue Links

          For Gerrit Dashboard: QTBUG-80323
          # Subject Branch Project Status CR V

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              • Assignee:
                sorvig Morten Sørvig
                Reporter:
                zaps166 Błażej Szczygieł
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                Dates

                • Created:
                  Updated:
                  Resolved:

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