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  1. Qt
  2. QTBUG-58959

QMessageBox does not scale well when using per monitor dpiawareness mode

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      While using QMessageBox with a per monitor dpi awareness mode enabled, when moving the messagebox from highdpi (200% scaled) monitor to a low dpi (100%) monitor, the contained icon and text are not scaled up. The messagebox size, buttons and title are properly scaled up.

      As a reference, QMessageBox::aboutQt() does scale properly.

      Steps to reproduce:

      • Have a high dpi (4k) primary monitor with 200% scaling set
      • Have a secondary low dpi monitor with no scaling (100%)
      • Run attached sample, so that it starts in the primary high dpi monitor
      • Move message box to secondary low dpi monitor
      • EXPECTED: Message box is properly scaled up
      • ACTUAL: The icon and text of the message box are not scaled

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            qt.team.quick.subscriptions Qt Quick and Widgets Team
            jussi_witick Jussi Witick
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              Created:
              Updated:
              Resolved: