These will be emitted as seats come and go.
https://bugzilla.gnome.org/show_bug.cgi?id=759309
8ec3fb3 GdkDisplay: Add ::seat-added/removed signals
gdk/gdkdisplay.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
Upstream: git.gnome.org