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  1. Qt
  2. QTBUG-119607

[Boot2Qt] The mouse cursor becomes very laggy while selecting the option 'Pick Screen Color' from QColorDialog

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P3: Somewhat important P3: Somewhat important
    • None
    • 6.7.0
    • QPA: EGLFS
    • None
    • Linux/Yocto

      Linux Ubuntu 22.04 
      Qt Creator 12.0.0
      Device: Raspberry Pi4 64 bit 
      Qt ver.: (Qt 6.7.0 snapshot from dev/ 2023-11-27)

      Steps to reproduce:

      1. Open widgets dialog example - https://doc.qt.io/qt-6/qtwidgets-dialogs-standarddialogs-example.html
      2. Run it on Raspberry Pi 4 64bit with eglfs platform.
      3. Open color dialog.
      4. Select 'Pick Screen Color'
      5. Move the cursor.

      Expected: The screen color can be picked smoothly.

      Actual: The cursor becomes very laggy and slow.

      Reproducibility:  100%

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            qt.team.graphics.and.multimedia Qt Graphics Team
            lkos Łukasz Kosiorowski
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              Created:
              Updated:

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