校对模式下右键删除选框

src/WpfEditor/MainWindow.xaml.cs

@@ -280,11 +280,67 @@ namespace WpfEditor
             }
         }
 
+        // 修改检测方法，返回被点击的具体选框
+        private RectangleItem GetClickedRectangle(Point point)
+        {
+            // 只在校对模式下进行检测
+            if (_mode != EditorMode.ReviseEdit)
+                return null;
+
+            // 检查点击位置是否在任何现有的绿色选框内部
+            foreach (var rectangle in ViewModel.Rectangles)
+            {
+                if (rectangle.IsVisible &&
+                    point.X >= rectangle.Left &&
+                    point.X <= rectangle.Left + rectangle.Width &&
+                    point.Y >= rectangle.Top &&
+                    point.Y <= rectangle.Top + rectangle.Height)
+                {
+                    return rectangle;
+                }
+            }
+            return null;
+        }
+
+        // 显示删除选框的右键菜单
+        private void ShowDeleteContextMenu(RectangleItem rectangle, Point position)
+        {
+            var contextMenu = new ContextMenu();
+            var deleteMenuItem = new MenuItem()
+            {
+                Header = "删除选框",
+                Tag = rectangle
+            };
+            deleteMenuItem.Click += (s, e) =>
+            {
+                var rect = (RectangleItem)((MenuItem)s).Tag;
+                ViewModel.RemoveRectangle(rect);
+            };
+            
+            contextMenu.Items.Add(deleteMenuItem);
+            contextMenu.IsOpen = true;
+            contextMenu.PlacementTarget = image;
+            contextMenu.Placement = PlacementMode.MousePoint;
+        }
+
         private void Grid_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
         {
             if (ViewModel.Image != null)
             {
                 rectangleStartPoint = e.GetPosition(image);
+                
+                // 在校对模式下，检查是否点击在现有绿色选框内部
+                if (_mode == EditorMode.ReviseEdit)
+                {
+                    var clickedRectangle = GetClickedRectangle(rectangleStartPoint);
+                    if (clickedRectangle != null)
+                    {
+                        // 如果点击在现有绿色选框内部，显示删除菜单
+                        ShowDeleteContextMenu(clickedRectangle, rectangleStartPoint);
+                        return;
+                    }
+                }
+                
                 isDrawingRectangle = true;
                 ViewModel.IsDrawingRectangle = true;
                 ViewModel.RectangleVisible = true;

src/WpfEditor/ViewModel.cs

@@ -168,5 +168,24 @@ namespace WpfEditor
             // 当加载新图片时调用，重置尺寸记录
             // 这个方法需要在MainWindow中调用
         }
+
+        // 删除指定的矩形框
+        public void RemoveRectangle(RectangleItem rectangle)
+        {
+            if (rectangle != null && Rectangles.Contains(rectangle))
+            {
+                Rectangles.Remove(rectangle);
+            }
+        }
+
+        // 根据ID删除矩形框
+        public void RemoveRectangleById(int id)
+        {
+            var rectangle = Rectangles.FirstOrDefault(r => r.Id == id);
+            if (rectangle != null)
+            {
+                Rectangles.Remove(rectangle);
+            }
+        }
     }
 }