CustomButton.hx

package ;

import openfl.Assets;
import openfl.display.Sprite;
import openfl.display.Bitmap;
import openfl.text.TextField;
import openfl.events.MouseEvent;


class CustomButton extends Sprite {
    var button:Sprite;
    var buttonText:String;
    var buttonTextField:TextField;
    var clickCallback:CustomButton->Void;


    public function new(buttonBgPath:String, text:String, onClick:CustomButton->Void):Void {
        super();
        buttonText = text;
        clickCallback = onClick;

        var buttonBitmap = new Bitmap(Assets.getBitmapData(buttonBgPath));
        button = new Sprite();
        button.addChild(buttonBitmap);
        button.addEventListener(MouseEvent.CLICK, onClick);
    }


    public function showText():Void {
        if (buttonTextField == null) {
            buttonTextField = new TextField();
            buttonTextField.text = buttonText;
            addChild(buttonTextField);
        }
    }


    public function hideText():Void {
        if (buttonTextField != null) {
            removeChild(buttonTextField);
            buttonTextField = null;
        }
    }


    private function onClick(e:MouseEvent):Void {
        clickCallback(this);
    }
}

Main.hx

package;

import openfl.display.Sprite;


class Main extends Sprite {
    private var button1Menu:CustomButton;
    private var button2Menu:CustomButton;


    public function new() {
        super();

        button1Menu = new CustomButton("path/button1", "Some text for Button 1", showButtonsText);
        button1Menu = new CustomButton("path/button2", "Some text for Button 2", showButtonsText);
    }


    private function showButtonsText(currentButton:CustomButton):Void {
        button1Menu.hideText();
        button2Menu.hideText();
        currentButton.showText();
    }
}