125 lines
3.2 KiB
C#
125 lines
3.2 KiB
C#
using System;
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using System.Threading;
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using System.Threading.Tasks;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.InputSystem.EnhancedTouch;
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using UnityEngine.UIElements;
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using Touch = UnityEngine.InputSystem.EnhancedTouch.Touch;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace BITKit.UX
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{
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[Serializable]
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public class AllowTouchWhenPointerNotOverUI : ICondition
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{
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public bool OnCheck() => UXAllowTouch.Singleton.AllowTouch;
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}
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/*
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* 当指针进入区域时启用输入
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* 当指针离开区域时禁用输入,直到所有设备都没有按下,才会再次启用输入
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*/
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/// <summary>
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/// Allow touch when pointer not over UI
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/// </summary>
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public class UXAllowTouch : UXElement<VisualElement>, ICondition
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{
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internal static UXAllowTouch Singleton { get; private set; }
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public bool AllowTouch;
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internal bool IsHoveringUI { get; private set; }
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public bool IsTouching { get; private set; }
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private int updateRequest;
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private CancellationTokenSource cancellationTokenSource;
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public override void OnAwake()
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{
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Singleton = this;
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EnhancedTouchSupport.Enable();
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Touch.onFingerUp += OnFingerUp;
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Touch.onFingerDown += OnFingerDown;
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cancellationTokenSource = new CancellationTokenSource();
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}
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private void OnDestroy()
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{
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cancellationTokenSource.Cancel();
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}
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private async void OnFingerDown(Finger obj)
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{
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IsTouching = true;
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try
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{
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await Task.Delay(TimeSpan.FromSeconds(Time.deltaTime*2));
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AllowTouch = !IsHoveringUI;
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}
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catch (OperationCanceledException)
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{
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}
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}
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private void OnFingerUp(Finger obj)
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{
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IsTouching = false;
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}
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public override void OnStart()
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{
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base.OnStart();
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visualElement.RegisterCallback<PointerEnterEvent>(OnPointerEnter);
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visualElement.RegisterCallback<PointerLeaveEvent>(OnPointerLevel);
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}
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private void OnPointerLevel(PointerLeaveEvent evt)
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{
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IsHoveringUI = true;
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if (isMouseInput) AllowTouch = false;
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}
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private void OnPointerEnter(PointerEnterEvent evt)
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{
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IsHoveringUI = false;
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if (isMouseInput) AllowTouch = true;
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}
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public bool OnCheck() => AllowTouch;
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private bool isMouseInput => Mouse.current?.delta.ReadValue().sqrMagnitude > 0;
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}
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#if UNITY_EDITOR
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[CustomEditor(typeof(UXAllowTouch))]
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public class UXAllowTouchInspector:BITInspector<UXAllowTouch>
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{
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private Label allowTouchLabel;
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private Label isHoveringUILabel;
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private Label isTouching;
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public override VisualElement CreateInspectorGUI()
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{
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FillDefaultInspector();
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CreateSubTitle("Editor");
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allowTouchLabel = root.Create<Label>();
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isHoveringUILabel = root.Create<Label>();
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isTouching = root.Create<Label>();
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return root;
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}
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protected override void OnUpdate()
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{
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if (allowTouchLabel is null) return;
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allowTouchLabel.text = agent.AllowTouch?"Allow Touch":"Block Touch";
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isHoveringUILabel.text = agent.IsHoveringUI ? "Is Hovering UI" : "Not Hovering UI";
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isTouching.text = agent.IsTouching ? "Is Touching" : "Not Touching";
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allowTouchLabel.style.color = agent.AllowTouch?Color.green:Color.red;
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isHoveringUILabel.style.color = agent.IsHoveringUI?Color.red:Color.green;
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isTouching.style.color = agent.IsTouching?Color.green:Color.red;
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}
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}
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#endif
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}
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