widget Picker {
	layout = Layered;
	
	[hfill vfill] new Group {
		layout = Free;
		new Group background {
		}
	}

	[hfill vfill] new VBox main {
	}
	
	[hfill vfill] new Group {
		layout = Free;
		new Group foreground {
		}
	}
	
	children = sub(main);
	background = sub(background);
	foreground = sub(foreground);
}