A backend implementation for xdg-desktop-portal that is using GTK and various pieces of GNOME infrastructure, such as org.gnome.desktop.* GSettings schemas and the org.gnome.SessionManager and org.gnome.Screensaver D-Bus interfaces.
xdg-desktop-portal-gtk depends on xdg-desktop-portal and GTK.
The xdg-desktop-portal-gtk version has three components: