class Menu{
	field Array button;
	field int last;
	field boolean pressed;
	
	constructor void new(String t0, String t1, String t2, String t3){
		let button = Array.new(4);
		let button[0] = Button.new(0,t0);
		let button[1] = Button.new(1,t1);
		let button[2] = Button.new(2,t2);
		let button[3] = Button.new(3,t3);
		let last = 0;
		let pressed = false;
		return this;
	}
	
	method void dispose(){
		var Button b;
		var int i;
		let i=0;
		while (i<4){
			let b=button[i];
			do b.dispose();
			let i=i+1;
		}
		do button.dispose();
		do Memory.deAlloc(this);
		return;
	}

	method void draw(){
		var Button b;
		var int i;
		let i=0;
		while (i<4){
			let b=button[i];
			do b.draw(false);
			let i=i+1;
		}
		return;
	}	
	method int getButton(){
		var boolean t;
		var Button b;
		let t = Touch.getEvent();
		if (~t){
			return -1;
		}
		if (pressed){
			if (Touch.getPen()=0) {
				let pressed = false;
				let b=button[last];
				do b.draw(false);
			}
		} else {
			if ((Touch.getPen()=1) & (Touch.getY()<1024)){
	    		let pressed = true;
				let b = button[last];
				do b.draw(false);
				let last = Touch.getX()/1024;
				let b = button[last];
				do b.draw(true);
				return last;
			}
			return -1;
		}
		return -1;
	}
	
}