413 lines
14 KiB
C#
413 lines
14 KiB
C#
using System;
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using System.Collections.Generic;
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using TMPro;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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/// <summary>
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/// 自定义键盘管理器 - 处理任意 TMP_InputField 的键盘弹出
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/// 支持不同键盘布局：拼音（中文）、数字、字母等
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/// </summary>
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public class CustomKeyboardManager : MonoBehaviour
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{
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[Header("键盘面板配置")]
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public Transform KeyboardContainer; // 键盘放置的容器（如果为空则使用 UIManager 的 DialogLayer）
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public GameObject KeyPrefab; // 按键预制体（可选）
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public Vector2 KeyboardSize = new Vector2(900, 350);
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public Vector2 KeySize = new Vector2(60, 60);
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public Vector2 KeySpacing = new Vector2(6, 6);
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public int KeysPerRow = 10;
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[Header("键盘位置")]
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public Vector2 KeyboardAnchoredPosition = new Vector2(0, 50); // 键盘相对锚点的偏移
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private static CustomKeyboardManager _instance;
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public static CustomKeyboardManager Instance => _instance;
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private GameObject _currentKeyboardPanel;
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private GameObject _currentKeyboardRoot;
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private CustomKeyboard _currentKeyboard;
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private TMP_InputField _targetInputField;
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private Action<string> _onConfirm;
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private Canvas _keyboardCanvas; // 键盘的 Canvas 组件
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void Awake()
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{
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if (_instance == null)
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{
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_instance = this;
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// 启动拼音词库加载
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StartCoroutine(PinyinInputManager.Initialize());
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}
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else if (_instance != this)
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{
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Destroy(gameObject);
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}
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}
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/// <summary>
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/// 为 InputField 显示自定义键盘
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/// </summary>
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/// <param name="inputField">目标输入框</param>
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/// <param name="layout">键盘布局类型</param>
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/// <param name="onConfirm">确认回调（可选）</param>
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/// <param name="clearOnFirstInput">首次输入时是否清空原内容</param>
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public void ShowKeyboard(TMP_InputField inputField, KeyboardLayout layout, Action<string> onConfirm = null, bool clearOnFirstInput = false)
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{
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if (inputField == null) return;
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// 如果已有键盘，先隐藏（这会清空 _targetInputField）
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HideKeyboard();
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// 在隐藏旧键盘后再设置新的目标（避免被 HideKeyboard 清空）
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_targetInputField = inputField;
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_onConfirm = onConfirm;
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// 创建键盘面板
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_currentKeyboardPanel = CreateKeyboardPanel();
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_currentKeyboard = _currentKeyboardPanel.GetComponent<CustomKeyboard>();
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if (_currentKeyboard != null)
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{
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// 使用适配器模式让 CustomKeyboard 直接修改 InputField
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var adapter = _currentKeyboardPanel.AddComponent<KeyboardInputAdapter>();
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adapter.SetTarget(inputField, this, clearOnFirstInput);
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_currentKeyboard.KeyPrefab = KeyPrefab;
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_currentKeyboard.KeySize = KeySize;
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_currentKeyboard.KeySpacing = KeySpacing;
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_currentKeyboard.SetTarget(adapter, layout, false);
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// 根据布局自动计算键盘大小
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AdjustKeyboardSize(layout);
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}
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// 调整键盘位置避免遮挡输入框
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AdjustKeyboardPosition(inputField);
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// 完全禁用 InputField 的系统键盘和交互
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inputField.shouldHideMobileInput = true;
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inputField.readOnly = true; // 设为只读，防止系统键盘弹出
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inputField.DeactivateInputField(); // 取消激活状态
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}
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/// <summary>
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/// 根据键盘布局自动计算大小
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/// </summary>
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private void AdjustKeyboardSize(KeyboardLayout layout)
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{
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if (_currentKeyboardPanel == null || _currentKeyboard == null) return;
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var panelRT = _currentKeyboardPanel.GetComponent<RectTransform>();
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if (panelRT == null) return;
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// 获取键盘所需的行数
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int rows = GetKeyboardRows(layout);
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// 计算高度：每行高度 = 按键高度 + 间距 + 内边距
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float rowHeight = KeySize.y + KeySpacing.y;
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float colWidth = KeySize.x + KeySpacing.x;
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float totalHeight = rows * rowHeight + 20; // 20 是上下内边距
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// 宽度保持不变，只调整高度
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Vector2 newSize;
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if(layout == KeyboardLayout.Pinyin)
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{
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newSize = new Vector2(KeyboardSize.x, totalHeight);
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}else{
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newSize = new Vector2(colWidth * KeysPerRow + 20, totalHeight);
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}
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panelRT.sizeDelta = newSize;
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// Debug.Log($"Keyboard size adjusted: layout={layout}, rows={rows}, height={totalHeight}");
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}
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/// <summary>
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/// 获取当前键盘所需的行数（用于计算键盘高度）
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/// </summary>
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public int GetKeyboardRows(KeyboardLayout _layout)
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{
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int keyCount = 0;
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switch (_layout)
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{
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case KeyboardLayout.Numeric:
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keyCount = 12; // 数字键盘
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break;
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case KeyboardLayout.Hex:
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keyCount = 16; // 十六进制
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break;
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case KeyboardLayout.Pinyin:
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keyCount = 26 + 1; // 26个字母 + 空格
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break;
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default:
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keyCount = 39; // 默认键盘
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break;
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}
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// 加上控制行（Clear, Backspace, OK）
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keyCount += 3;
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// 假设每行10个按键
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int cols = KeysPerRow;
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int rows = Mathf.CeilToInt((float)keyCount / cols);
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// 拼音键盘需要额外的候选字行
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if (_layout == KeyboardLayout.Pinyin)
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{
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rows += 1; // 候选字区域
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}
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return rows;
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}
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/// <summary>
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/// 调整键盘位置避免遮挡输入框
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/// </summary>
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private void AdjustKeyboardPosition(TMP_InputField inputField)
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{
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if (_currentKeyboardPanel == null || inputField == null) return;
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var panelRT = _currentKeyboardPanel.GetComponent<RectTransform>();
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var inputRT = inputField.GetComponent<RectTransform>();
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if (panelRT == null || inputRT == null) return;
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// 获取输入框在屏幕上的位置
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Vector3[] inputCorners = new Vector3[4];
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inputRT.GetWorldCorners(inputCorners);
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float inputBottomY = inputCorners[0].y; // 输入框底部 Y 坐标
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// 获取键盘高度
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float keyboardHeight = KeyboardSize.y;
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// 如果输入框位置较低，键盘可能会遮挡，则向上调整
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if (inputBottomY < keyboardHeight + 20) // 20 是安全边距
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{
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// 键盘放在输入框上方
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float newY = inputBottomY + keyboardHeight / 2 + 10;
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panelRT.anchoredPosition = new Vector2(KeyboardAnchoredPosition.x, newY);
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}
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else
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{
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// 使用默认位置（底部）
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panelRT.anchoredPosition = KeyboardAnchoredPosition;
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}
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}
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/// <summary>
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/// 隐藏当前键盘
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/// </summary>
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public void HideKeyboard()
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{
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if (_currentKeyboardRoot != null)
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{
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Destroy(_currentKeyboardRoot);
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_currentKeyboardRoot = null;
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_currentKeyboard = null;
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_keyboardCanvas = null;
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}
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else if (_currentKeyboardPanel != null)
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{
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Destroy(_currentKeyboardPanel);
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}
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_currentKeyboardPanel = null;
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_targetInputField = null;
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}
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/// <summary>
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/// 确认输入
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/// </summary>
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public void ConfirmInput()
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{
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if (_targetInputField != null)
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{
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_onConfirm?.Invoke(_targetInputField.text);
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}
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HideKeyboard();
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}
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/// <summary>
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/// 设置键盘位置
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/// </summary>
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public void SetKeyboardPosition(Vector2 position)
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{
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if (_currentKeyboardPanel != null)
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{
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var panelRT = _currentKeyboardPanel.GetComponent<RectTransform>();
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if (panelRT != null)
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{
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panelRT.anchoredPosition = position;
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}
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}
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}
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/// <summary>
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/// 设置键盘层级
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/// </summary>
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public void SetKeyboardSortingOrder(int sortingOrder)
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{
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if (_keyboardCanvas != null)
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{
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_keyboardCanvas.sortingOrder = sortingOrder;
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}
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}
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/// <summary>
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/// 获取当前键盘是否显示
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/// </summary>
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public bool IsKeyboardShowing()
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{
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return _currentKeyboardRoot != null && _currentKeyboardRoot.activeInHierarchy;
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}
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/// <summary>
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/// 创建键盘面板
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/// </summary>
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private GameObject CreateKeyboardPanel()
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{
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// 优先使用 EnhancedUIManager 的 DialogLayer
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Transform container = KeyboardContainer;
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if (container == null && EnhancedUIManager.Instance != null)
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{
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container = EnhancedUIManager.Instance.DialogLayer;
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}
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if (container == null)
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{
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container = this.transform;
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}
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var rootGO = new GameObject("CustomKeyboardRoot", typeof(RectTransform));
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rootGO.transform.SetParent(container, false);
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_currentKeyboardRoot = rootGO;
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var rootRT = rootGO.GetComponent<RectTransform>();
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rootRT.anchorMin = Vector2.zero;
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rootRT.anchorMax = Vector2.one;
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rootRT.offsetMin = Vector2.zero;
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rootRT.offsetMax = Vector2.zero;
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// 添加 Canvas 以控制层级（在 DialogLayer 之上）
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_keyboardCanvas = rootGO.AddComponent<Canvas>();
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_keyboardCanvas.overrideSorting = true;
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_keyboardCanvas.sortingOrder = 350; // 高于 DialogLayer (300) 但低于 SystemLayer (400)
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rootGO.AddComponent<UnityEngine.UI.GraphicRaycaster>();
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var blockerGO = new GameObject("KeyboardOutsideDismissArea", typeof(RectTransform), typeof(Image), typeof(EventTrigger));
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blockerGO.transform.SetParent(rootGO.transform, false);
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var blockerRT = blockerGO.GetComponent<RectTransform>();
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blockerRT.anchorMin = Vector2.zero;
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blockerRT.anchorMax = Vector2.one;
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blockerRT.offsetMin = Vector2.zero;
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blockerRT.offsetMax = Vector2.zero;
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var blockerImage = blockerGO.GetComponent<Image>();
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blockerImage.color = new Color(0f, 0f, 0f, 0f);
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blockerImage.raycastTarget = true;
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var blockerTrigger = blockerGO.GetComponent<EventTrigger>();
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var blockerClick = new EventTrigger.Entry { eventID = EventTriggerType.PointerClick };
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blockerClick.callback.AddListener(_ => HideKeyboard());
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blockerTrigger.triggers.Add(blockerClick);
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var panelGO = new GameObject("CustomKeyboardPanel", typeof(RectTransform));
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panelGO.transform.SetParent(rootGO.transform, false);
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var panelRT = panelGO.GetComponent<RectTransform>();
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panelRT.sizeDelta = KeyboardSize;
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// 底部居中锚点
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panelRT.anchorMin = new Vector2(0.5f, 0);
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panelRT.anchorMax = new Vector2(0.5f, 0);
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panelRT.pivot = new Vector2(0.5f, 0);
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panelRT.anchoredPosition = KeyboardAnchoredPosition;
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// 添加背景
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var panelImg = panelGO.AddComponent<Image>();
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panelImg.color = new Color(0.08f, 0.1f, 0.12f, 0.95f);
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// 添加圆角和阴影效果（可选，让键盘更美观）
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var shadow = panelGO.AddComponent<UnityEngine.UI.Shadow>();
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shadow.effectColor = new Color(0, 0, 0, 0.5f);
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shadow.effectDistance = new Vector2(3, -3);
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// 创建按键容器
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var containerGO = new GameObject("KeysContainer", typeof(RectTransform));
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containerGO.transform.SetParent(panelGO.transform, false);
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var containerRT = containerGO.GetComponent<RectTransform>();
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containerRT.anchorMin = Vector2.zero;
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containerRT.anchorMax = Vector2.one;
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containerRT.offsetMin = new Vector2(10, 10);
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containerRT.offsetMax = new Vector2(-10, -10);
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// 添加 GridLayoutGroup
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var grid = containerGO.AddComponent<GridLayoutGroup>();
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grid.cellSize = KeySize;
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grid.spacing = KeySpacing;
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grid.constraint = GridLayoutGroup.Constraint.FixedColumnCount;
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grid.constraintCount = 10; // 每行10个按键
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// 添加 CustomKeyboard 脚本
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var keyboard = panelGO.AddComponent<CustomKeyboard>();
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keyboard.KeysContainer = containerGO.transform;
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keyboard.KeySize = KeySize;
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keyboard.KeySpacing = KeySpacing;
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return panelGO;
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}
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/// <summary>
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/// 为 InputField 设置点击监听
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/// </summary>
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public static void SetupInputField(TMP_InputField inputField, KeyboardLayout layout, Action<string> onConfirm = null, bool clearOnFirstInput = false)
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{
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if (inputField == null)
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{
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Debug.LogError("CustomKeyboardManager.SetupInputField: inputField is null!");
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return;
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}
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if (inputField.gameObject == null)
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{
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Debug.LogError("CustomKeyboardManager.SetupInputField: inputField.gameObject is null!");
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return;
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}
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// 检查 Instance 是否存在
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if (_instance == null)
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{
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Debug.LogError("CustomKeyboardManager.SetupInputField: Instance is null. Make sure CustomKeyboardManager exists in scene and Awake() has been called.");
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return;
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}
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// 禁用系统键盘
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inputField.shouldHideMobileInput = true;
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inputField.readOnly = true;
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// 移除已有的 onSelect 事件
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inputField.onSelect.RemoveAllListeners();
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// 添加 onSelect 事件监听（InputField 被选中/点击时触发）
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inputField.onSelect.AddListener((text) =>
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{
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if (Instance != null)
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{
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Instance.ShowKeyboard(inputField, layout, onConfirm, clearOnFirstInput);
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}
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else
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{
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Debug.LogError("CustomKeyboardManager Instance is null when trying to show keyboard.");
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}
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});
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// 确保 InputField 本身不响应点击激活
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var eventTrigger = inputField.GetComponent<UnityEngine.EventSystems.EventTrigger>();
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if (eventTrigger != null)
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{
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Destroy(eventTrigger);
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}
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}
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}
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