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  1. Qt
  2. QTBUG-53255

Windows: window decoration is not correct if the screens using different scale factor [Per monitor DPI aware applications]

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Details

    • Bug
    • Resolution: Done
    • P3: Somewhat important
    • 5.9
    • 5.6.0
    • GUI: Window management
    • None
    • Windows 10, 2 screen setup
    • e8ecde99df8dc8959e1a5af679961cb946ccae69 (qtbase/dev, 23.11.2016, 5.9)

    Description

      I am using a high res laptop and an none high res attached screen, the scale factor at the laptop(primary screen) is 200% but for the attached screen it is 100%, but now the window decoration has not the correct size at the screen where I have the 100%.

      Attachments

        1. 0001-Windows-QPA-Reimplement-calculation-of-window-frames_56.patch
          12 kB
          Friedemann Kleint
        2. 0002-Windows-QPA-Use-new-EnableNonClientDpiScaling-for-Wi_56.patch
          6 kB
          Friedemann Kleint
        3. decoration_size_on_different_screens.png
          95 kB
          Tim Jenssen
        4. qtbug53255.zip
          2 kB
          Friedemann Kleint

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-55511 The title bar is the wrong size on monitors with different DPI

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          is required for

          Bug - A problem which impairs or prevents the functions of the product. QTCREATORBUG-16105 Unusable on normal monitor when also have high-dpi monitor

          • Not Evaluated - Not yet evaluated/prioritized
          • Reported
          resulted in

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-62901 [REG: 5.8->5.9]: Moving a Window with QQuickView between differently scaled monitors misplaces the QQuickView when using dpiawareness=2

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-53255
          # Subject Branch Project Status CR V
          169135,6 Windows QPA: Use new EnableNonClientDpiScaling() for Windows decoration dev qt/qtbase Status: MERGED -2 0
          176621,4 Windows QPA: Reimplement calculation of window frames dev qt/qtbase Status: MERGED -2 0
          204538,4 Windows QPA: Do not call EnableNonClientDpiScaling() on Desktop GL Windows 5.9 qt/qtbase Status: MERGED +2 0
          260778,10 Windows QPA: Fix window frame calculation in multi-monitor setups 5.12 qt/qtbase Status: MERGED -2 0

          Activity

            People

              kleint Friedemann Kleint
              tjenssen Tim Jenssen
              Votes:
              2 Vote for this issue
              Watchers:
              11 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews