get_input_focus/[2,3]

     get_input_focus(+Displayable, -Focus, -RevertTo)
     get_input_focus(-Focus, -RevertTo)
     

Obtain the current input focus window and the revert_to state.

Displayable is a ProXL Displayable. If omitted, the default Display is used.

Focus returns the current focus window. One of:

• The ProXL focus window.
• pointer_root.
• none

RevertTo returns the current focus reverts state. One of :

• parent
• pointer_root
• none