<item name="None"> <value>0</value></item>
<item name="PointerRoot"><value>1</value></item>
<item name="Parent"> <value>2</value></item> <!-- revert_to only -->
+ <item name="FollowKeyboard"><value>3</value></item> <!-- xinput extension only -->
</enum>
<request name="SetInputFocus" opcode="42">