106 lines
2.2 KiB
C#
106 lines
2.2 KiB
C#
using UnityEngine;
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using TMPro;
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using UnityEngine.EventSystems;
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using System.Collections;
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public class CustomTMPInputField : TMP_InputField
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{
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private bool forceFocus = false;
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protected override void Awake()
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{
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base.Awake();
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}
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public override void OnPointerClick(PointerEventData eventData)
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{
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base.OnPointerClick(eventData);
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if (!forceFocus)
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{
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Activate();
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}
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}
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public override void OnDeselect(BaseEventData eventData)
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{
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if (forceFocus)
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{
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StartCoroutine(DelayedSelect());
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}
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else
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{
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base.OnDeselect(eventData);
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}
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}
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private IEnumerator DelayedSelect()
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{
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yield return null;
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if (EventSystem.current != null && EventSystem.current.currentSelectedGameObject != gameObject)
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{
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EventSystem.current.SetSelectedGameObject(gameObject);
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// TMP 原生激活输入框，显示光标
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ActivateInputField();
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// 强制同步 placeholder 状态
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ForceRefresh();
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}
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}
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/// <summary>
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/// 激活并保持焦点
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/// </summary>
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public void Activate()
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{
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forceFocus = true;
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StartCoroutine(DelayedSelect());
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}
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/// <summary>
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/// 主动关闭焦点
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/// </summary>
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public void Deactivate()
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{
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forceFocus = false;
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DeactivateInputField();
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if (EventSystem.current != null && EventSystem.current.currentSelectedGameObject == gameObject)
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EventSystem.current.SetSelectedGameObject(null);
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ForceRefresh();
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}
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/// <summary>
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/// 是否有焦点
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/// </summary>
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public bool HasFocus()
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{
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return forceFocus && isFocused;
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}
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/// <summary>
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/// 手动切换到另一个输入框
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/// </summary>
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public void SwitchFocus(CustomTMPInputField nextField)
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{
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if (nextField == null) return;
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ForceRefresh();
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Deactivate();
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nextField.Activate();
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nextField.ForceRefresh();
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}
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/// <summary>
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/// 强制刷新 placeholder 状态
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/// </summary>
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public void ForceRefresh()
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{
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if (placeholder != null)
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placeholder.gameObject.SetActive(string.IsNullOrEmpty(text) && !isFocused);
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}
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}
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