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  1. Qt
  2. QTBUG-66092

UWP: Redraw must be triggered manually after moving to different screen

    Details

    • Type: Bug
    • Status: Open
    • Priority: P2: Important
    • Resolution: Unresolved
    • Affects Version/s: 5.10.1, 5.12.0 Beta 2
    • Fix Version/s: None
    • Component/s: GUI: Painting
    • Labels:
      None
    • Environment:
      Windows 10 64 bit
      primary UHD-screen scaled to 200%, connect via mDP
      secondary FullHD-screen scaled to 100%, connected via DVI
    • Platform/s:
      WinRT

      Description

      1. Have a primary UHD-screen scaled to 200% and a secondary FullHD-screen scaled to 100%.
      2. Run the example "Qt Quick Controls 2 - Gallery" on the primary screen.
        It's in Examples\Qt-5.10.1\quickcontrols2\gallery\gallery.pro
      3. Move the example to the secondary screen.
        It will be resized so it has the same physical size, but less pixels. The window's content will not be redrawn correctly:
      4. Resize the example's window.
        This will trigger redrawing:

      The window should be redrawn automatically in step 3.

        Attachments

        1. onfirst.png
          onfirst.png
          35 kB
        2. onsecond.png
          onsecond.png
          11 kB
        3. redrawn.png
          redrawn.png
          16 kB

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            Activity

              People

              • Assignee:
                owolff Oliver Wolff
                Reporter:
                rlohning Robert Löhning
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                Dates

                • Created:
                  Updated:

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