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  1. Qt
  2. QTBUG-105857

Qt application does not follow the DPI change when the DPI setting is changed before showing the first window

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Details

    • Windows
    • edb00660e4 (qt/qtbase/dev) edb00660e4 (qt/tqtc-qtbase/dev) 45358c29d5 (qt/qtbase/6.4) 45358c29d5 (qt/tqtc-qtbase/6.4) eea109e024 (qt/tqtc-qtbase/6.2) 45358c29d5 (qt/tqtc-qtbase/6.4.1) 45358c29d5 (qt/tqtc-qtbase/tqtc/qtinsight-6.4), ca0f0a43e (6.4)

    Description

      Attached the sample project, in which the DIP is changed programmably before the application starting through the functions of switchToHigh/LowDPIValue. Commenting out calls to these functions will result in different initial window size

      Attachments

        1. QtBug105857.zip
          72 kB
        2. actual100DPI.png
          actual100DPI.png
          91 kB
        3. expected100DPI.png
          expected100DPI.png
          30 kB
        4. actual100DPI_2.png
          actual100DPI_2.png
          1.25 MB
        5. expected100DPI_2.png
          expected100DPI_2.png
          1.18 MB
        6. qtbug105857_log.txt
          0.9 kB
        7. qtbug105857.zip
          70 kB

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-108907 Incorrect Scaling of fonts on Windows 11

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-108736 Menu font size is too large in 6.4.1

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          resulted in

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-108593 Reg->6.4.1: Windows/High DPI: Fonts are too large on High DPI screen

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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          Activity

            People

              sorvig Morten Sørvig
              yifei Yi Fei (Inactive)
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              14 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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