142 lines
3.4 KiB
C#
142 lines
3.4 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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using UnityEngine.UI;
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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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//this.contentType=ContentType.IntegerNumber
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//使用字符验证回调
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onValidateInput = OnValidateCharacter;
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// 添加Outline
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Outline ol = gameObject.GetComponent<Outline>();
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if (ol == null) ol = gameObject.AddComponent<Outline>();
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ol.effectColor = new Color32(0xFF, 0xAB, 0x00, 255);
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ol.effectDistance = new Vector2(2, -2);
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ol.enabled = false;
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}
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// 验证每个输入的字符（核心方法）
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private char OnValidateCharacter(string text, int charIndex, char addedChar)
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{
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// 允许数字 0-9
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if (addedChar >= '0' && addedChar <= '9')
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{
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return addedChar;
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}
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// 允许小数点 .和-
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if (addedChar == '.'|| addedChar == '-')
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{
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return addedChar; // 允许多个小数点，直接返回
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}
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// 其他字符不允许输入
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return '\0';
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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 (FocusManager.Instance.currentPage != null)
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{
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FocusManager.Instance.currentPage.UpdateFouceByClick(this);
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}
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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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// 高亮自己
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Outline ol = gameObject.GetComponent<Outline>();
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if (ol != null) ol.enabled = true;
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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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