prevent user pasting multi objects if vertical scale is different

OngekiFumenEditor/Modules/FumenVisualEditor/Kernel/DefaultImpl/DefaultFumenEditorClipboard.cs

@@ -25,6 +25,7 @@ internal class DefaultFumenEditorClipboard : IFumenEditorClipboard
 	{
 		private Dictionary<OngekiObjectBase, Point> currentCopiedSources = new();
 		private FumenVisualEditorViewModel sourceEditor;
+		private double prevScale;
 
 		public bool ContainPastableObjects => sourceEditor is not null && currentCopiedSources.Any();
 
@@ -47,6 +48,8 @@ public async Task CopyObjects(FumenVisualEditorViewModel sourceEditor, IEnumerab
 				return;
 			}
 
+			prevScale = sourceEditor.Setting.VerticalDisplayScale;
+
 			//清空一下
 			currentCopiedSources.Clear();
 			this.sourceEditor = default;
@@ -147,6 +150,12 @@ public async Task PasteObjects(FumenVisualEditorViewModel targetEditor, PasteMir
 				Log.LogWarn($"无法粘贴因为复制列表为空");
 				return;
 			}
+			var curScale = targetEditor.Setting.VerticalDisplayScale;
+			if (curScale != prevScale && currentCopiedSources.Count > 1)
+			{
+				targetEditor.ToastNotify($"原编辑器垂直缩放({prevScale:F2}x)和目标缩放({curScale:F2}x)不同，无法粘贴多个物件");
+				return;
+			}
 
 			bool isSameEditorCopy = sourceEditor == targetEditor;
 			//convert y form sourceEditor to targetEditor