@startuml autoactivate on mainframe **seq** user interaction actor User User -> ScreenMenu : ""ScreenMenu_submenu_cb()"" alt enter submenu ScreenMenu -> ScreenMenu : ""ScreenMenu()"" note over ScreenMenu create submenu from menu sub-items end note return ScreenMenu -> ScreenMenu : ""draw()"" return else leave menu ScreenMenu -> ScreenMenu : ""IScreen_leave()"" note over ScreenMenu remove and delete top of stack end note ScreenMenu -> ScreenMenu : ""draw()"" return return end return @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art