gtk:settings-gtk-interface-color-scheme (object)

object -- a gtk:settings object
mode -- a gtk:interface-color-scheme value

The accessor for the gtk-interface-color-scheme slot gets or sets the color scheme used for rendering the user interface. This setting communicates the system-wide preference. The color scheme that is actually used when applying CSS styles can be set with the prefers-color-scheme property.

Since 4.20