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  1. Qt
  2. QTBUG-93955

Material.System does not work on Ubuntu (Gnome)

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Details

    • Linux/X11
    • 2b77e779ce43386d14bdd2d1109ee182bcd0d047 (qt/qtbase/dev) 12efdab6c70b24538d2ce4f679e74c42e98a9947 (qt/qtbase/6.2), 7b64eb71c (dev), 747a4de31 (6.5)

    Description

      When setting 

      Material.theme: Material.System

      on Ubuntu 20.04 with Dark Mode enabled, qml does not seems to recognize that the system is in Dark Mode.

      To reproduce:

      ApplicationWindow {
    width: 640
    height: 480
    visible: true

    Material.theme: Material.System // set in qtquickcontrols2.conf

    Label {
        anchors.centerIn: parent
        text: Material.theme === Material.Dark ? "Dark" : "Light"
    }
}

      Attachments

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-90504 Dark theme not respected by Fusion style

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-83908 Material.System does not work on Windows 10 in Dark Mode

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

          Task - A task that needs to be done. QTBUG-94859 Provide a QPA API for detecting which system theme (light/dark/etc.) is in use

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-93955
          # Subject Branch Project Status CR V
          357787,1 QQuickStyle: use systemTheme() to detect dark mode dev qt/qtquickcontrols2 Status: ABANDONED 0 0
          367559,3 QQuickStyle: use systemTheme() to detect dark mode dev qt/qtdeclarative Status: MERGED +2 0
          375503,4 QGtk3Theme: implement appearance function to detect dark themes dev qt/qtbase Status: MERGED +2 0
          375647,2 QQuickStyle: use systemTheme() to detect dark mode 6.2 qt/qtdeclarative Status: MERGED +2 0
          376126,2 QGtk3Theme: implement appearance function to detect dark themes 6.2 qt/qtbase Status: MERGED +2 0
          396655,10 xdgdesktopportal theme: Implement appearance() dev qt/qtbase Status: MERGED +2 0
          398910,2 xdgdesktopportal theme: Implement appearance() 6.3 qt/qtbase Status: MERGED +2 0
          398911,2 xdgdesktopportal theme: Implement appearance() 6.2 qt/qtbase Status: MERGED +2 0
          449565,4 Detect appearance by colors unless GTK theme name contains "dark" dev qt/qtbase Status: MERGED +2 0
          450854,2 Detect appearance by colors unless GTK theme name contains "dark" 6.5 qt/qtbase Status: MERGED +2 0

          Activity

            People

              mitch_curtis Mitch Curtis
              nagrohn Nahomi Gröhn (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: