How light/dark style works?

anon31660594 · September 11, 2023, 12:23am

How light/dark style technically works? How is this standardized in freedesktop.org?

I see key /org/gnome/desktop/interface/color-scheme that can contain default, prefer-light or prefer-dark. Path is org.gnome* so it’s hardly standardized by freedesktop.org?

swilmet · September 11, 2023, 4:24am

The org.gnome.desktop GSettings key is an implementation detail.

There is a GNOME Initiative about the light/dark styles, which contains a lot of technical details.

anon31660594 · September 11, 2023, 4:47am

Can you provide link to the standard of this by freedesktop.org?
Where is standard place for style info? $XDG_STYLE or something environment variable? Or $XDG_CONFIG/style.conf file? Or?
Why the key is org.gnome.interface.? Why not system.interface. or org.freedesktop.interface.?

bragefuglseth · September 11, 2023, 5:11am

Here you go:

github.com

flatpak/xdg-desktop-portal/blob/d7a304a00697d7d608821253cd013f3b97ac0fb6/data/org.freedesktop.impl.portal.Settings.xml#L33-L45


      
          <varlistentry>
            <term>org.freedesktop.appearance color-scheme u</term>
            <listitem><para>
              Indicates the system's preferred color scheme.
              Supported values are:
              <simplelist>
                <member>0: No preference</member>
                <member>1: Prefer dark appearance</member>
                <member>2: Prefer light appearance</member>
              </simplelist>
              Unknown values should be treated as 0 (no preference).
            </para></listitem>
          </varlistentry>

system · October 26, 2023, 5:12am

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