gesture - Graphics in SWI-Prolog: sending a location from board to (X,Y) -

gesture - Graphics in SWI-Prolog: sending a location from board to (X,Y) -

i'm trying figure out how utilize "send" graphics predicates, i'm stuck how scan click window, , larn location on (x,y) , utilize set image inside. need know parameters made in function:

send(b,recogniser, click_gesture(left,'',single, and(message(@prolog, insert, c), massage(w, destroy)) )).

prolog gesture swi-prolog uiswipegesturerecognizer xpce