typedef Xywh = {x:Float, y:Float, width:Float, height:Float};

class MyButton extends flash.display.Sprite{public function new() super()}

using Main;

class Main extends flash.display.Sprite
{
    public function new()
    {
        super();
        [new MyButton(), new MyButton(), new MyButton()].distribute(20, PlaceTools.HORIZONTAL);
    }

    public static function main()
    {
        flash.Lib.current.addChild(new Main());
    }
}


class PlaceTools
{
    public static var HORIZONTAL:String = "horizontal";

    public static function rightOf(target:Xywh, ref:Xywh, ?padding:Int=0, ?align:Bool=true, ?width:Float=0, ?height:Float=0):Void
    {
        target.x = ref.x + ref.width + padding;
        if(align) target.y = ref.y;
        if(width!=0)target.width=width;
        if(height!=0)target.height=height;
    }
    public static function distribute(arr:Array<Xywh>, ?padding:Int=0, ?dtype:String="horizontal")
    {
        for(i in 1...arr.length)
        {
            switch(dtype)
            {
                case HORIZONTAL:
                    arr[i].rightOf(arr[i-1], padding);

                default:
                    trace("not implemented in this example");
            }
        }
    }
}