CuongNV
77 lines
2.5 KiB
C#
77 lines
2.5 KiB
C#
using TMPro;
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using UnityEngine;
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namespace BrewMonster.Scripts.ChatUI
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{
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/// <summary>
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/// Controls typing preview visibility/content and keyboard-anchored position.
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/// Kept standalone so other chat/input UIs can reuse the same behavior.
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/// </summary>
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[System.Serializable]
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public class TypingPreviewController
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{
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[Tooltip("Root của box xem trước nội dung đang gõ.")]
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[SerializeField] private GameObject typingPreviewRoot;
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[Tooltip("Text hiển thị nội dung đang gõ realtime.")]
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[SerializeField] private TextMeshProUGUI typingPreviewText;
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[Tooltip("Rect của preview box để neo theo keyboard.")]
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[SerializeField] private RectTransform typingPreviewRect;
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[Tooltip("Khoảng cách dọc cộng thêm cho preview box.")]
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[SerializeField] private float previewVerticalOffset = 8f;
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private Vector2 _baseAnchoredPos;
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private bool _cachedAnchor;
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public void CacheInitialAnchor()
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{
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if (_cachedAnchor)
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return;
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if (typingPreviewRect != null)
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_baseAnchoredPos = typingPreviewRect.anchoredPosition;
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_cachedAnchor = true;
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}
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public void ApplyKeyboardOffset(float yOffset)
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{
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if (typingPreviewRect == null)
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return;
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CacheInitialAnchor();
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var previewPos = _baseAnchoredPos;
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previewPos.y += yOffset + previewVerticalOffset;
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typingPreviewRect.anchoredPosition = previewPos;
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}
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public void UpdatePreview(bool isInputFocused, string body)
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{
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if (typingPreviewRoot == null || typingPreviewText == null)
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return;
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string trimmedBody = (body ?? string.Empty).Trim();
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bool keyboardVisible = IsMobileKeyboardVisible();
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bool shouldShow = keyboardVisible && isInputFocused && !string.IsNullOrEmpty(trimmedBody);
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typingPreviewRoot.SetActive(shouldShow);
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if (shouldShow)
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typingPreviewText.text = trimmedBody;
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}
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bool IsMobileKeyboardVisible()
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{
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if (!Application.isMobilePlatform)
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return false;
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return GetVisibleKeyboardHeight() > 0f || TouchScreenKeyboard.visible;
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}
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float GetVisibleKeyboardHeight()
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{
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if (!TouchScreenKeyboard.visible)
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return 0f;
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Rect area = TouchScreenKeyboard.area;
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return area.height > 0f ? area.height : 0f;
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}
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}
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}
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