添加设计界面操作按钮

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Assets/Scripts/FUJIFILM/UI/Item/PhotoItemOperation.cs

@@ -1,6 +1,7 @@
 using UnityEngine.UI;
 using TMPro;
 using UnityEngine;
+using UnityEngine.Serialization;
 using ZGame;
 
 namespace HK.FUJIFILM
@@ -9,9 +10,12 @@ namespace HK.FUJIFILM
     {
         [SerializeField] private Button btnToUp;
         [SerializeField] private Button btnToDown;
-        [SerializeField] private Button btnRotate;
+        [SerializeField] private Button btnRRotate;
+        [SerializeField] private Button btnLRotate;
         [SerializeField] private Button btnDelete;
         [SerializeField] private Button btnClose;
+        [SerializeField] private Button btnHCenter;
+        [SerializeField] private Button btnVCenter;
 
         CanvasGroup canvasGroup;
 
@@ -25,18 +29,26 @@ namespace HK.FUJIFILM
 
             btnToUp = GetValue<Button>("btnToUp");
             btnToDown = GetValue<Button>("btnToDown");
-            btnRotate = GetValue<Button>("btnRotate");
+            btnRRotate = GetValue<Button>("btnRRotate");
+            btnLRotate = GetValue<Button>("btnLRotate");
             btnDelete = GetValue<Button>("btnDelete");
             btnClose = GetValue<Button>("btnClose");
+            btnHCenter = GetValue<Button>("btnHCenter");
+            btnVCenter = GetValue<Button>("btnVCenter");
 
             btnToUp.onClick.AddListener(OnClickbtnToUp);
             btnToDown.onClick.AddListener(OnClickbtnToDown);
-            btnRotate.onClick.AddListener(OnClickbtnRotate);
+            btnRRotate.onClick.AddListener(OnClickbtnRRotate);
+            btnLRotate.onClick.AddListener(OnClickbtnLRotate);
             btnDelete.onClick.AddListener(OnClickbtnDelete);
+            btnHCenter.onClick.AddListener(OnClickbtnHCenter);
+            btnVCenter.onClick.AddListener(OnClickbtnVCenter);
             btnClose.onClick.AddListener(OnClickbtnClose);
 
             #endregion
 
+            canvas = GetComponentInParent<Canvas>();
+            _imageRect = transform.GetChild(1).GetComponent<RectTransform>();
             canvasGroup = GetComponent<CanvasGroup>();
             Close();
             EventManager.Instance.Subscribe(PhotoItemOperationEventArgs.EventId, PhotoItemOperationEvent);
@@ -44,8 +56,7 @@ namespace HK.FUJIFILM
 
         private void PhotoItemOperationEvent(object sender, GameEventArgs e)
         {
-            return;
+            // return;
-
             var args = e as PhotoItemOperationEventArgs;
             if (args == null)
             {
@@ -53,11 +64,105 @@ namespace HK.FUJIFILM
             }
 
             if (args.isStart)
+            {
+                // 1. 获取鼠标点击的屏幕坐标
+                Vector2 clickScreenPos = Input.mousePosition;
+
+                // 2. 应用偏移量（让 Image 位置更灵活）
+                clickScreenPos += clickOffset;
+
+                // 3. （可选）限制 Image 在屏幕内
+                if (clampToScreen)
+                {
+                    clickScreenPos = ClampPosToScreen(clickScreenPos);
+                }
+
+                // 4. 根据 Canvas 模式，设置 Image 最终位置
+                SetImagePosition(clickScreenPos);
+
                 Open(args.target);
+            }
             else
                 Close();
         }
 
+        Canvas canvas;
+        private RectTransform _imageRect;
+        [SerializeField] int screenMargin = 10;
+        [SerializeField] bool clampToScreen = true;
+        [SerializeField] Vector2 clickOffset = Vector2.zero;
+
+        /// <summary>
+        /// 限制位置在屏幕内，防止 Image 超出视野
+        /// </summary>
+        /// <param name="originalPos">原始点击位置</param>
+        /// <returns>限制后的位置</returns>
+        private Vector2 ClampPosToScreen(Vector2 originalPos)
+        {
+            // 计算 Image 自身的实际尺寸（考虑缩放）
+            Vector2 imageRealSize = new Vector2(
+                _imageRect.rect.width * Mathf.Abs(_imageRect.localScale.x),
+                _imageRect.rect.height * Mathf.Abs(_imageRect.localScale.y)
+            );
+
+            // 计算屏幕可显示的边界（留空 margin）
+            float minX = screenMargin + (imageRealSize.x / 2); // 左边界（加 Image 半宽，避免左半部分超出）
+            float maxX = Screen.width - screenMargin - (imageRealSize.x / 2); // 右边界
+            float minY = screenMargin + (imageRealSize.y / 2); // 下边界
+            float maxY = Screen.height - screenMargin - (imageRealSize.y / 2); // 上边界
+
+            // 限制位置在边界内
+            return new Vector2(
+                Mathf.Clamp(originalPos.x, minX, maxX),
+                Mathf.Clamp(originalPos.y, minY, maxY)
+            );
+        }
+
+        /// <summary>
+        /// 根据 Canvas 渲染模式，设置 Image 到目标位置
+        /// </summary>
+        /// <param name="targetScreenPos">目标屏幕坐标</param>
+        private void SetImagePosition(Vector2 targetScreenPos)
+        {
+            switch (canvas.renderMode)
+            {
+                // 1. 最常用：Screen Space - Overlay 模式（直接用屏幕坐标）
+                case RenderMode.ScreenSpaceOverlay:
+                    _imageRect.position = targetScreenPos;
+                    break;
+
+                // 2. Screen Space - Camera 模式（需通过相机转换坐标）
+                case RenderMode.ScreenSpaceCamera:
+                    if (RectTransformUtility.ScreenPointToLocalPointInRectangle(
+                            canvas.GetComponent<RectTransform>(), // Canvas 的 RectTransform
+                            targetScreenPos, // 目标屏幕位置
+                            canvas.worldCamera, // Canvas 关联的相机
+                            out Vector2 canvasLocalPos // 转换后的 Canvas 局部坐标
+                        ))
+                    {
+                        _imageRect.localPosition = canvasLocalPos;
+                    }
+
+                    break;
+
+                // 3. World Space 模式（UI 作为3D物体，需转换为世界坐标）
+                case RenderMode.WorldSpace:
+                    if (RectTransformUtility.ScreenPointToWorldPointInRectangle(
+                            _imageRect, // Image 自身的 RectTransform
+                            targetScreenPos, // 目标屏幕位置
+                            canvas.worldCamera, // Canvas 关联的相机
+                            out Vector3 worldPos // 转换后的世界坐标
+                        ))
+                    {
+                        // 保持 Image 的 Z 轴位置不变（避免前后层叠问题）
+                        worldPos.z = _imageRect.position.z;
+                        _imageRect.position = worldPos;
+                    }
+
+                    break;
+            }
+        }
+
         #region AutoGen_Method
 
         private void OnClickbtnToUp()
@@ -69,13 +174,35 @@ namespace HK.FUJIFILM
 
         private void OnClickbtnToDown()
         {
-            var siblingIndex = (target.transform.GetSiblingIndex() - 1) >= 0 ? target.transform.GetSiblingIndex() : 0;
+            var index = target.transform.GetSiblingIndex() - 1;
+            var siblingIndex = index >= 0 ? index : 0;
             target.transform.SetSiblingIndex(siblingIndex);
             Close();
         }
 
-        private void OnClickbtnRotate()
+        private void OnClickbtnRRotate()
         {
+            target.transform.localEulerAngles += new Vector3(0f, 0f, 90f);
+            Close();
+        }
+
+        private void OnClickbtnLRotate()
+        {
+            target.transform.localEulerAngles -= new Vector3(0f, 0f, 90f);
+            Close();
+        }
+
+        private void OnClickbtnVCenter()
+        {
+            var rectTransform = target.GetComponent<RectTransform>();
+            rectTransform.anchoredPosition = new Vector2(rectTransform.anchoredPosition.x, 0f);
+            Close();
+        }
+
+        private void OnClickbtnHCenter()
+        {
+            var rectTransform = target.GetComponent<RectTransform>();
+            rectTransform.anchoredPosition = new Vector2(0f, rectTransform.anchoredPosition.y);
             Close();
         }
 
@@ -116,18 +243,20 @@ namespace HK.FUJIFILM
         public override void OnDispose()
         {
             base.OnDispose();
+            EventManager.Instance.Unsubscribe(PhotoItemOperationEventArgs.EventId, PhotoItemOperationEvent);
 
             #region AutoGen_Dispose
 
             btnToUp.onClick.RemoveListener(OnClickbtnToUp);
             btnToDown.onClick.RemoveListener(OnClickbtnToDown);
-            btnRotate.onClick.RemoveListener(OnClickbtnRotate);
+            btnRRotate.onClick.RemoveListener(OnClickbtnRRotate);
+            btnLRotate.onClick.RemoveListener(OnClickbtnLRotate);
             btnDelete.onClick.RemoveListener(OnClickbtnDelete);
             btnClose.onClick.RemoveListener(OnClickbtnClose);
 
             btnToUp = null;
             btnToDown = null;
-            btnRotate = null;
+            btnRRotate = null;
             btnDelete = null;
             btnClose = null;