Adding a slave device adds a ref, but removing it does not unref it.
https://gitlab.gnome.org/GNOME/gtk/merge_requests/1358
priv->capabilities |= device_get_capability (GDK_DEVICE (l->data));
gdk_seat_device_removed (GDK_SEAT (seat), device);
+ g_object_unref (device);
}
else if (g_list_find (priv->slave_keyboards, device))
{
priv->capabilities |= device_get_capability (GDK_DEVICE (l->data));
gdk_seat_device_removed (GDK_SEAT (seat), device);
+ g_object_unref (device);
}
}