fix: 3D右键修复

Views/UserControl/Viewport3D.xaml

@@ -75,7 +75,7 @@
             </Button>
         </Grid>
         <Border Grid.Row="1"  x:Name="MainBorder">
-            <Border.ContextMenu>
+            <Border.ContextMenu >
                 <ContextMenu>
                     <!-- 菜单 -->
                     <MenuItem Header="{StaticResource ViewportRightMenuFront}" x:Name="ViewportRightMenuFront" Click="MenuItem_OnClick"/>
@@ -95,7 +95,7 @@
                     <MenuItem Header="{StaticResource ViewportRightMenuSelectFaceKind}" x:Name="ViewportRightMenuSelectFaceKind" IsCheckable="True" Checked="MenuItem_OnChecked" Unchecked="MenuItem_OnUnchecked"/>
                 </ContextMenu>
             </Border.ContextMenu>
-            <hx:Viewport3DX x:Name="Viewport3Dx" ShowCoordinateSystem="True" PreviewMouseRightButtonUp="UIElement_OnPreviewMouseRightButtonUp" PreviewMouseRightButtonDown="UIElement_OnPreviewMouseRightButtonDown">
+            <hx:Viewport3DX x:Name="Viewport3Dx" ShowCoordinateSystem="True"  PreviewMouseRightButtonUp="UIElement_OnPreviewMouseRightButtonUp" PreviewMouseRightButtonDown="UIElement_OnPreviewMouseRightButtonDown" PreviewMouseMove="Viewport3Dx_OnPreviewMouseMove">
                 <hx:Viewport3DX.EffectsManager><hx:EffectsManager ></hx:EffectsManager></hx:Viewport3DX.EffectsManager>
                 <hx:Viewport3DX.InputBindings>
                     <KeyBinding Key="B" Command="hx:ViewportCommands.BackView" />

Views/UserControl/Viewport3D.xaml.cs

@@ -172,15 +172,29 @@ public partial class Viewport3D
     #endregion
     
     #region 页面隐式交互
+    private System.Windows.Point _mouseDownPosition;
+    private bool _isDragging = false;
     private void UIElement_OnPreviewMouseRightButtonUp(object sender, MouseButtonEventArgs e)
     {
+        if (_isDragging)
+        {
+            // 如果发生拖动，不显示菜单
+            _isDragging = false; // 重置拖动状态
+            MainBorder.ContextMenu.Visibility = Visibility.Hidden;
+            MainBorder.ContextMenu.IsOpen = false;
+            return;
+        }
+        MainBorder.ContextMenu.Visibility = Visibility.Visible;
+        // 未拖动时，显示右键菜单
         MainBorder.ContextMenu.IsOpen = true;
+        // e.Handled = true; // 阻止事件继续传播
     }
 
     private void UIElement_OnPreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
     {
-        MainBorder.ContextMenu.IsOpen = false;
-        e.Handled = true; 
+        _mouseDownPosition = e.GetPosition(Viewport3Dx);
+        _isDragging = false; // 重置拖动状态
+       
     }
     #endregion
 
@@ -189,4 +203,20 @@ public partial class Viewport3D
         //ViewportData.LoadData();
         ViewportManager.LoadModelByEntities(new List<Viewport3DTriangleEntity>());
     }
+
+    private void Viewport3Dx_OnPreviewMouseMove(object sender, MouseEventArgs e)
+    {
+        if (e.RightButton == MouseButtonState.Pressed)
+        {
+            // 计算鼠标移动距离
+            var currentPosition = e.GetPosition(Viewport3Dx);
+            var distance = (currentPosition - _mouseDownPosition).Length;
+
+            // 判断是否达到拖动的阈值
+            if (distance > 5) // 阈值可根据需要调整
+            {
+                _isDragging = true; // 标记为拖动
+            }
+        }
+    }
 }