messure collaped children without spacing

AvaloniaUI · Feb 2, 2025 · d9c88a1 · d9c88a1
1 parent 51e0eaa
commit d9c88a1
Showing 1 changed file with 10 additions and 4 deletions.
diff --git a/src/Avalonia.Controls/DockPanel.cs b/src/Avalonia.Controls/DockPanel.cs
@@ -157,17 +157,23 @@ protected override Size MeasureOverride(Size availableSize)
                 {
                     case Dock.Left:
                     case Dock.Right:
-                        horizontalSpacing = true;
                         parentHeight = Math.Max(parentHeight, accumulatedHeight + childDesiredSize.Height);
-                        accumulatedWidth += HorizontalSpacing;
+                        if (!child.IsVisible)
+                        {
+                            accumulatedWidth += HorizontalSpacing;
+                            horizontalSpacing = true;
+                        }
                         accumulatedWidth += childDesiredSize.Width;
                         break;
 
                     case Dock.Top:
                     case Dock.Bottom:
-                        verticalSpacing = true;
                         parentWidth = Math.Max(parentWidth, accumulatedWidth + childDesiredSize.Width);
-                        accumulatedHeight += VerticalSpacing;
+                        if (!child.IsVisible)
+                        {
+                            accumulatedHeight += VerticalSpacing;
+                            verticalSpacing = true;
+                        }
                         accumulatedHeight += childDesiredSize.Height;
                         break;
                 }