USING: kernel namespaces sequences x concurrency concurrent-widgets ; SYMBOL: win-a SYMBOL: win-b SYMBOL: win-c SYMBOL: win-d f initialize-x [ win-a win-b win-c win-d ] [ create-window swap set ] each [ win-a win-b win-c win-d ] [ "black" "red" "green" "blue" ] [ lookup-color swap get win set set-window-background ] 2each [ win-b win-c win-d ] [ get win set win-a get reparent-window ] each [ win-a win-b win-c win-d ] [ get win set map-window ] each win-a get [ { 300 300 } resize-window ] with-win ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! SYMBOL: button-horizontal "Horizontal" [ win-a get [ stack-children arrange-children-horizontally ] with-win ] create-button button-horizontal set button-horizontal get [ { 100 20 } resize-window map-window ] with-window-object ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! SYMBOL: button-vertical "Vertical" [ win-a get [ stack-children arrange-children-vertically ] with-win ] create-button button-vertical set button-vertical get [ { 100 20 } resize-window map-window ] with-window-object ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! [ concurrent-event-loop ] spawn