Backported from X.org, maybe incomplete, inspired by:

 commit 810fbfa44626bff9f443ab17c0ad27ff7ae121d7
 Author: Adam Jackson <ajax@redhat.com>
 Date:   Wed Feb 9 17:32:16 2011 -0500

    mi: Call pScreen->ConstrainCursorHarder from the position update path

    v2: Cover more paths, spotted by Daniel Stone.
    v3: pass down the mode field for movement mode.
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

 Backport to nx-libs: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>