Pressing the button will show the GNOME Control Center at the device's configuration page. It also shows the pointer when the movement was performed by a mouse type device, hiding it again after a little while.
7e67bd5 wacom: Add a configure button to the OSD window
plugins/wacom/gsd-wacom-osd-window.c | 133 +++++++++++++++++++++++++++++++++-
1 file changed, 129 insertions(+), 4 deletions(-)