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Src/Unity/Scripts/UX/Input/UXAllowInput.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using UnityEngine;
+using UnityEngine.InputSystem;
+using UnityEngine.Pool;
+using UnityEngine.UIElements;
+
+namespace BITKit.UX
+{
+	[Serializable]
+	public sealed class UXAllow : ICondition
+	{
+		public bool OnCheck() => UXAllowInput.Allow.Allow;
+	}
+	public class UXAllowInput : MonoBehaviour
+	{
+		[RuntimeInitializeOnLoadMethod]
+		private static void Reload()
+		{
+			Allow.Clear();
+		}
+		internal static readonly ValidHandle Allow=new();
+		[SerializeField] private UIDocument document;
+		private IPanel _panel;
+
+		[SerializeField, ReadOnly] private bool isAllow;
+		[SerializeField, ReadOnly] private bool globalAllow;
+		[SerializeField, ReadOnly] private string blockBy;
+		
+		private bool isLocked;
+		private void Start()
+		{
+			_panel = document.rootVisualElement.panel;
+			
+		}
+
+		private void OnEnable()
+		{
+			Allow.AddElement(this);
+		}
+		private void OnDisable()
+		{
+			Allow.RemoveElement(this);
+		}
+		private void Update()
+		{
+			var mousePos = Mouse.current.position.ReadValue();
+
+			mousePos.y = Screen.height - mousePos.y;
+			
+			var ve =_panel.Pick(RuntimePanelUtils.ScreenToPanel(_panel,mousePos ));
+
+			if (ve is not null)
+			{
+				var list = ListPool<string>.Get();
+				var v = ve;
+				{
+					while (true)
+					{
+						list.Add(v.name);
+						if (v.parent is not null)
+						{
+							v = v.parent;
+							continue;
+						}
+
+						break;
+					}
+				}
+				blockBy = string.Join("\\", list);
+
+				list.Clear();
+				ListPool<string>.Release(list);
+			}
+			else
+			{
+				blockBy = "unblocked";
+			}
+			switch (ve,Mouse.current.press.isPressed)
+			{
+				
+				case (null,false) when isLocked is false:
+					Allow.AddElement(this);
+					Allow.RemoveDisableElements(this);
+					break;
+				case (not null,false):
+					Allow.RemoveElement(this);
+					Allow.AddDisableElements(this);
+					break;
+				case (not null,true):
+					isLocked = true;
+					break;
+				case (null,false):
+					isLocked = false;
+					break;
+			}
+			
+			
+			
+			isAllow = ve is null;
+			globalAllow = Allow.Allow;
+		}
+	}
+}
+

Src/Unity/Scripts/UX/Input/UXAllowInput.cs.meta

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