507 lines
18 KiB
C#
507 lines
18 KiB
C#
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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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public enum KeyboardLayout
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{
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Default,
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Numeric,
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Hex,
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Pinyin // 拼音键盘（支持中文输入）
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}
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/// <summary>
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/// 动态生成自定义键盘并将按键事件转发给 InputDialog
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/// 用法：把该脚本挂在 CustomKeyboardPanel 上，面板内部应包含一个用于放按键的容器（可不设置则使用自身）。
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/// </summary>
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public class CustomKeyboard : MonoBehaviour
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{
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public Transform KeysContainer; // 按键放置容器
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[Tooltip("如果设置了 KeyPrefab，则在运行时使用该 prefab 来生成按键；如果为空，脚本会创建简单的 GameObject（仅在运行时）。")]
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public GameObject KeyPrefab;
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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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private object _target; // 可以是 InputDialog 或 KeyboardInputAdapter
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private KeyboardLayout _layout = KeyboardLayout.Default;
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private bool _isPasswordMode = false;
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private bool _isUpperCase = false; // 拼音键盘大小写切换
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private GridLayoutGroup _grid;
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// 拼音输入相关
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private string _pinyinBuffer = ""; // 拼音缓冲区
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private Transform _candidateContainer; // 候选字容器
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public Action OnKeyboardSizeChanged; // 键盘大小变化回调
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// 翻页相关
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private int _currentPage = 0; // 当前页码（0基索引）
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private const int _candidatesPerPage = 7; // 每页显示的候选字数量
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private string[] _allCandidates = null; // 当前拼音的所有候选字
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void Awake()
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{
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// 如果 KeysContainer 未设置，尝试查找；否则 InputDialog.CreateDynamicKeyboard() 已设置
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if (KeysContainer == null)
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{
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var child = this.transform.Find("KeysContainer");
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if (child != null)
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KeysContainer = child;
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else
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KeysContainer = this.transform;
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}
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_grid = KeysContainer.GetComponent<GridLayoutGroup>();
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// 如果容器本身没有 GridLayoutGroup 则添加一个（仅在这里需要，动态创建时已添加）
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if (_grid == null)
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{
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_grid = KeysContainer.gameObject.AddComponent<GridLayoutGroup>();
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_grid.cellSize = KeySize;
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_grid.spacing = KeySpacing;
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}
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}
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public void SetTarget(object target, KeyboardLayout layout, bool isPassword)
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{
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_target = target;
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_layout = layout;
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_isPasswordMode = isPassword;
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_isUpperCase = false;
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_pinyinBuffer = "";
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RebuildKeys();
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}
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public void RebuildKeys()
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{
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// 注意: 修改 Prefab Asset（例如在 Project 视图中打开的 Prefab）时，
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// 直接对其 Transform 做 SetParent/Destroy 会导致 Unity 抛出错误：
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// "Setting the parent of a transform which resides in a Prefab Asset is disabled to prevent data corruption"
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// 因此此方法只会在运行时（Play mode）修改场景实例的子对象。
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if (!Application.isPlaying)
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{
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Debug.Log("RebuildKeys skipped: only runs in Play mode to avoid editing prefab assets. For editing prefab assets use the Editor -> Prefab editing workflow.");
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return;
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}
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// 清除已有按键（运行时安全）
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for (int i = KeysContainer.childCount - 1; i >= 0; --i)
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{
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var child = KeysContainer.GetChild(i);
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if (Application.isPlaying) Destroy(child.gameObject);
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else DestroyImmediate(child.gameObject);
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}
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switch (_layout)
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{
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case KeyboardLayout.Numeric:
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BuildNumeric();
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break;
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case KeyboardLayout.Hex:
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BuildHex();
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break;
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case KeyboardLayout.Pinyin:
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BuildPinyin();
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break;
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default:
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BuildDefault();
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break;
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}
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// add control row: Clear Backspace Confirm
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BuildControlRow();
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}
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private void BuildKey(string label, Action onClick)
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{
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// 优先使用 KeyPrefab（需在 Inspector 中赋值），在运行时用 Instantiate 创建实例并设置父物体——这是安全的。
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GameObject go = null;
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if (KeyPrefab != null)
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{
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go = Instantiate(KeyPrefab, KeysContainer, false);
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go.name = "Key_" + label;
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// 如果 prefab 没有自动设置文本，需要查找并设置
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var tmp = go.GetComponentInChildren<TextMeshProUGUI>();
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if (tmp != null) tmp.text = label;
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var btn = go.GetComponent<Button>();
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if (btn != null)
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{
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btn.onClick.RemoveAllListeners();
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btn.onClick.AddListener(() => onClick?.Invoke());
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}
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}
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else
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{
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// 只有在运行时才创建临时 GameObject；编辑模式下请勿调用此逻辑以避免修改 Prefab Asset
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if (!Application.isPlaying)
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{
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Debug.LogWarning("Cannot create key GameObject in edit mode without KeyPrefab. Assign KeyPrefab or run in Play mode.");
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return;
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}
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go = new GameObject("Key_" + label, typeof(RectTransform), typeof(Image), typeof(Button));
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go.transform.SetParent(KeysContainer, false);
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var img = go.GetComponent<Image>();
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img.color = new Color(0.15f, 0.17f, 0.2f, 1f);
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var btn = go.GetComponent<Button>();
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btn.onClick.AddListener(() => onClick?.Invoke());
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var txtGO = new GameObject("Label", typeof(RectTransform));
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txtGO.transform.SetParent(go.transform, false);
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var txt = txtGO.AddComponent<TextMeshProUGUI>();
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txt.text = label;
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txt.alignment = TextAlignmentOptions.Center;
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txt.color = Color.white;
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txt.fontSize = 24;
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var rt = txt.GetComponent<RectTransform>();
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rt.anchorMin = Vector2.zero;
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rt.anchorMax = Vector2.one;
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rt.offsetMin = Vector2.zero;
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rt.offsetMax = Vector2.zero;
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}
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}
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private void BuildNumeric()
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{
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string[] keys = new string[] { "1","2","3","4","5","6","7","8","9","0",".","+" };
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foreach (var k in keys)
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{
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BuildKey(k, () => CallOnKeyPressed(k));
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}
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}
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private void BuildPinyin()
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{
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// 拼音键盘 - 26个字母用于拼音输入
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string[] letters = new string[] { "q","w","e","r","t","y","u","i","o","p","a","s","d","f","g","h","j","k","l","z","x","c","v","b","n","m" };
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foreach (var letter in letters)
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{
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BuildKey(letter, () => OnPinyinLetterPressed(letter));
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}
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// 添加空格键（选择第一个候选字）
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BuildKey("空格", () => SelectCandidate(0));
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}
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/// <summary>
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/// 拼音字母按下
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/// </summary>
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private void OnPinyinLetterPressed(string letter)
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{
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_pinyinBuffer += letter;
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UpdatePinyinCandidates();
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}
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/// <summary>
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/// 更新拼音候选字
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/// </summary>
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private void UpdatePinyinCandidates()
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{
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// 清除旧的候选字
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if (_candidateContainer != null)
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{
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for (int i = _candidateContainer.childCount - 1; i >= 0; --i)
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{
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if (Application.isPlaying)
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Destroy(_candidateContainer.GetChild(i).gameObject);
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else
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DestroyImmediate(_candidateContainer.GetChild(i).gameObject);
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}
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}
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else
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{
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// 创建候选字容器（在控制按钮上方）
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var candidateGO = new GameObject("CandidateContainer", typeof(RectTransform));
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candidateGO.transform.SetParent(KeysContainer.parent, false);
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_candidateContainer = candidateGO.transform;
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var candidateRT = candidateGO.GetComponent<RectTransform>();
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candidateRT.anchorMin = new Vector2(0, 1);
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candidateRT.anchorMax = new Vector2(1, 1);
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candidateRT.pivot = new Vector2(0.5f, 1);
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candidateRT.anchoredPosition = new Vector2(0, 50);
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candidateRT.sizeDelta = new Vector2(0, 60);
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// 添加背景
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var bg = candidateGO.AddComponent<Image>();
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bg.color = new Color(0.12f, 0.14f, 0.16f, 1f);
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// 添加水平布局
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var layout = candidateGO.AddComponent<HorizontalLayoutGroup>();
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layout.spacing = 5;
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layout.padding = new RectOffset(10, 10, 5, 5);
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layout.childControlWidth = false;
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layout.childControlHeight = true;
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layout.childForceExpandWidth = false;
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layout.childForceExpandHeight = true;
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}
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// 显示拼音缓冲区
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if (!string.IsNullOrEmpty(_pinyinBuffer))
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{
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// 获取候选汉字
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_allCandidates = PinyinInputManager.GetCandidates(_pinyinBuffer);
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if (_allCandidates != null && _allCandidates.Length > 0)
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{
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// 计算总页数
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int totalPages = Mathf.CeilToInt((float)_allCandidates.Length / _candidatesPerPage);
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// 确保页码在有效范围内
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_currentPage = Mathf.Clamp(_currentPage, 0, totalPages - 1);
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CreateCandidateText($"拼音: {_pinyinBuffer} ({_currentPage + 1}/{totalPages})", () => {});
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// 添加上一页按钮
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// if (_currentPage > 0)
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// {
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CreateCandidateButton("← 上页", () => {
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if (_currentPage > 0)
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{
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_currentPage--;
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UpdatePinyinCandidates();
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}
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});
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// }
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// 计算当前页的候选字范围
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int startIndex = _currentPage * _candidatesPerPage;
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int endIndex = Mathf.Min(startIndex + _candidatesPerPage, _allCandidates.Length);
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// 显示当前页的候选字
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for (int i = startIndex; i < endIndex; i++)
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{
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int globalIndex = i; // 全局索引
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int displayNumber = (i - startIndex) + 1; // 显示编号1-8
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string candidate = _allCandidates[i];
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CreateCandidateButton($"{displayNumber}.{candidate}", () => SelectCandidateByGlobalIndex(globalIndex));
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}
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// 添加下一页按钮
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if (_currentPage < totalPages - 1)
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{
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CreateCandidateButton("下页 →", () => {
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_currentPage++;
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UpdatePinyinCandidates();
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});
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}
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}else{
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// 显示拼音
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CreateCandidateText($"拼音: {_pinyinBuffer} 暂无数据", () => {});
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}
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}
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else
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{
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// 清空候选字和重置页码
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_allCandidates = null;
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_currentPage = 0;
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}
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}
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/// <summary>
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/// 创建候选字文本
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/// </summary>
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private void CreateCandidateText(string text, Action onClick)
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{
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var textGO = new GameObject("CandidateText", typeof(RectTransform));
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textGO.transform.SetParent(_candidateContainer, false);
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var rt = textGO.GetComponent<RectTransform>();
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rt.sizeDelta = new Vector2(150, 50);
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var tmp = textGO.AddComponent<TextMeshProUGUI>();
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tmp.text = text;
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tmp.fontSize = 20;
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// 尝试加载中文字体，如果失败则使用默认字体
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var chineseFont = Resources.Load<TMP_FontAsset>("Fonts/SIMLI SDF");
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if (chineseFont != null)
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tmp.font = chineseFont;
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tmp.color = Color.cyan;
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tmp.alignment = TextAlignmentOptions.MidlineLeft;
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}
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/// <summary>
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/// 创建候选字按钮
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/// </summary>
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private void CreateCandidateButton(string text, Action onClick)
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{
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var btnGO = new GameObject("CandidateBtn", typeof(RectTransform), typeof(Image), typeof(Button));
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btnGO.transform.SetParent(_candidateContainer, false);
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var rt = btnGO.GetComponent<RectTransform>();
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// 根据文本长度调整宽度（翻页按钮需要更宽）
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float width = text.Contains("上页") || text.Contains("下页") ? 80 : 70;
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rt.sizeDelta = new Vector2(width, 50);
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var img = btnGO.GetComponent<Image>();
|
|||
|
|
img.color = new Color(0.2f, 0.25f, 0.3f, 1f);
|
|||
|
|
|
|||
|
|
var btn = btnGO.GetComponent<Button>();
|
|||
|
|
btn.onClick.AddListener(() => onClick?.Invoke());
|
|||
|
|
|
|||
|
|
var txtGO = new GameObject("Label", typeof(RectTransform));
|
|||
|
|
txtGO.transform.SetParent(btnGO.transform, false);
|
|||
|
|
var tmp = txtGO.AddComponent<TextMeshProUGUI>();
|
|||
|
|
tmp.text = text;
|
|||
|
|
// 尝试加载中文字体
|
|||
|
|
var chineseFont = Resources.Load<TMP_FontAsset>("Fonts/SIMLI SDF");
|
|||
|
|
if (chineseFont != null)
|
|||
|
|
tmp.font = chineseFont;
|
|||
|
|
tmp.alignment = TextAlignmentOptions.Center;
|
|||
|
|
tmp.color = Color.white;
|
|||
|
|
tmp.fontSize = 22;
|
|||
|
|
|
|||
|
|
var txtRT = tmp.GetComponent<RectTransform>();
|
|||
|
|
txtRT.anchorMin = Vector2.zero;
|
|||
|
|
txtRT.anchorMax = Vector2.one;
|
|||
|
|
txtRT.offsetMin = Vector2.zero;
|
|||
|
|
txtRT.offsetMax = Vector2.zero;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 选择候选字（通过全局索引）
|
|||
|
|
/// </summary>
|
|||
|
|
private void SelectCandidateByGlobalIndex(int globalIndex)
|
|||
|
|
{
|
|||
|
|
if (_allCandidates != null && globalIndex >= 0 && globalIndex < _allCandidates.Length)
|
|||
|
|
{
|
|||
|
|
// 输入选中的汉字
|
|||
|
|
CallOnKeyPressed(_allCandidates[globalIndex]);
|
|||
|
|
|
|||
|
|
// 清空拼音缓冲区和重置页码
|
|||
|
|
_pinyinBuffer = "";
|
|||
|
|
_allCandidates = null;
|
|||
|
|
_currentPage = 0;
|
|||
|
|
UpdatePinyinCandidates();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 选择候选字（用于空格键，选择第一个）
|
|||
|
|
/// </summary>
|
|||
|
|
private void SelectCandidate(int relativeIndex)
|
|||
|
|
{
|
|||
|
|
if (string.IsNullOrEmpty(_pinyinBuffer))
|
|||
|
|
{
|
|||
|
|
// 如果没有拼音缓冲，空格键输入空格
|
|||
|
|
CallOnKeyPressed(" ");
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 计算全局索引（当前页的第一个 + 相对索引）
|
|||
|
|
int globalIndex = _currentPage * _candidatesPerPage + relativeIndex;
|
|||
|
|
SelectCandidateByGlobalIndex(globalIndex);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void BuildHex()
|
|||
|
|
{
|
|||
|
|
string[] keys = new string[] { "0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F" };
|
|||
|
|
foreach (var k in keys) BuildKey(k, () => CallOnKeyPressed(k));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void BuildDefault()
|
|||
|
|
{
|
|||
|
|
// 简易默认键盘包含数字和常用符号
|
|||
|
|
string[] keys = new string[] {
|
|||
|
|
"1","2","3","4","5","6","7","8","9","0",
|
|||
|
|
"q","w","e","r","t","y","u","i","o","p",
|
|||
|
|
"a","s","d","f","g","h","j","k","l",
|
|||
|
|
"z","x","c","v","b","n","m",
|
|||
|
|
"-","_","@" };
|
|||
|
|
foreach (var k in keys) BuildKey(k, () => CallOnKeyPressed(k));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void BuildControlRow()
|
|||
|
|
{
|
|||
|
|
// Add Clear
|
|||
|
|
BuildKey("Clear", () => {
|
|||
|
|
if (_layout == KeyboardLayout.Pinyin)
|
|||
|
|
{
|
|||
|
|
_pinyinBuffer = "";
|
|||
|
|
UpdatePinyinCandidates();
|
|||
|
|
}
|
|||
|
|
CallOnClearPressed();
|
|||
|
|
});
|
|||
|
|
// Backspace
|
|||
|
|
BuildKey("←", () => {
|
|||
|
|
if (_layout == KeyboardLayout.Pinyin && !string.IsNullOrEmpty(_pinyinBuffer))
|
|||
|
|
{
|
|||
|
|
_pinyinBuffer = _pinyinBuffer.Substring(0, _pinyinBuffer.Length - 1);
|
|||
|
|
UpdatePinyinCandidates();
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
CallOnBackspacePressed();
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
// Confirm -> trigger confirm button and close keyboard
|
|||
|
|
BuildKey("OK", () => {
|
|||
|
|
CallConfirmButton();
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Helper methods to call target methods safely using reflection or direct cast
|
|||
|
|
private void CallOnKeyPressed(string key)
|
|||
|
|
{
|
|||
|
|
if (_target == null) return;
|
|||
|
|
|
|||
|
|
var method = _target.GetType().GetMethod("OnKeyPressed");
|
|||
|
|
if (method != null)
|
|||
|
|
{
|
|||
|
|
method.Invoke(_target, new object[] { key });
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void CallOnBackspacePressed()
|
|||
|
|
{
|
|||
|
|
if (_target == null) return;
|
|||
|
|
|
|||
|
|
var method = _target.GetType().GetMethod("OnBackspacePressed");
|
|||
|
|
if (method != null)
|
|||
|
|
{
|
|||
|
|
method.Invoke(_target, null);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void CallOnClearPressed()
|
|||
|
|
{
|
|||
|
|
if (_target == null) return;
|
|||
|
|
|
|||
|
|
var method = _target.GetType().GetMethod("OnClearPressed");
|
|||
|
|
if (method != null)
|
|||
|
|
{
|
|||
|
|
method.Invoke(_target, null);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void CallConfirmButton()
|
|||
|
|
{
|
|||
|
|
if (_target == null) return;
|
|||
|
|
|
|||
|
|
var confirmButtonProp = _target.GetType().GetProperty("ConfirmButton");
|
|||
|
|
if (confirmButtonProp != null)
|
|||
|
|
{
|
|||
|
|
var btn = confirmButtonProp.GetValue(_target) as Button;
|
|||
|
|
if (btn != null)
|
|||
|
|
{
|
|||
|
|
btn.onClick.Invoke();
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 如果没有 ConfirmButton 属性，尝试直接调用管理器的 ConfirmInput
|
|||
|
|
if (CustomKeyboardManager.Instance != null)
|
|||
|
|
{
|
|||
|
|
CustomKeyboardManager.Instance.ConfirmInput();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
}
|