CapersProject/Assets/02.Scripts/Ui/Title/TitleMenuButton.cs

using Sirenix.OdinInspector;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace BlueWater.Titles
{
    public class TitleMenuButton : MonoBehaviour, ISelectHandler, IDeselectHandler, IPointerEnterHandler, IPointerExitHandler
    {
        [SerializeField, Required]
        private Button _targetButton;

        [SerializeField, Required]
        private Image _selectedImage;

        [SerializeField]
        private Color _highlightedColor;

        private Color _originalColor = Color.white;
        private bool _isQuitting;

        private void OnApplicationQuit()
        {
            _isQuitting = true;
        }

        private void OnEnable()
        {
            if (EventSystem.current.currentSelectedGameObject != gameObject) return;
            
            _selectedImage.enabled = true;
        }

        private void OnDisable()
        {
            _selectedImage.enabled = false;
        }

        public void OnSelect(BaseEventData eventData)
        {
            _selectedImage.color = _originalColor;
            _selectedImage.enabled = true;
        }

        public void OnDeselect(BaseEventData eventData)
        {
            _selectedImage.enabled = false;
        }
        
        public void OnPointerEnter(PointerEventData eventData)
        {
            if (EventSystem.current.currentSelectedGameObject == gameObject) return;

            _selectedImage.color = _highlightedColor;
            _selectedImage.enabled = true;
        }

        public void OnPointerExit(PointerEventData eventData)
        {
            if (_isQuitting || EventSystem.current?.currentSelectedGameObject == gameObject) return;
            
            _selectedImage.color = _originalColor;
            _selectedImage.enabled = false;
        }
    }
}