From fe46722d55420eee4c680f94c1e51b7891a2674f Mon Sep 17 00:00:00 2001
From: Alek-ban <alek.kovkov124@gmail.com>
Date: Thu, 5 Mar 2026 07:36:17 +0300
Subject: [PATCH] fix: SectionPanel resizing

---
 GSS2.UI.Core/SectionPanel.cs | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/GSS2.UI.Core/SectionPanel.cs b/GSS2.UI.Core/SectionPanel.cs
index 99db317..3107afe 100644
--- a/GSS2.UI.Core/SectionPanel.cs
+++ b/GSS2.UI.Core/SectionPanel.cs
@@ -94,7 +94,6 @@ public class SectionPanel : Panel
     private readonly Dictionary<Control, int> _childIndeces = new Dictionary<Control, int>();
     private bool _initialized = false;
     private int _previousIndex = 0;
-    private bool _isChangingIndex = false;
 
     public SectionPanel()
     : base()
@@ -105,7 +104,6 @@ public class SectionPanel : Panel
                 return;
             panel.CanScrollBackward = panel.Cyclic || panel.CurrentIndex != 0;
             panel.CanScrollForward = panel.Cyclic || panel.CurrentIndex != panel.Children.Count() - 1;
-            _isChangingIndex = true;
             panel.InvalidateArrange();
         });
         ChildrenSourceProperty.Changed.AddClassHandler<SectionPanel>((panel, ea) =>
@@ -309,21 +307,21 @@ public class SectionPanel : Panel
             _initialized = true;
         }
 
-        if (!_isChangingIndex)
+        if (_previousIndex == CurrentIndex)
+        {
             foreach (var (child, i) in _childIndeces)
             {
                 var rect = Orientation switch
                 {
-                    Orientation.Vertical => new Rect(0, (i - _previousIndex) * finalSize.Height, finalSize.Width, finalSize.Height),
-                    Orientation.Horizontal => new Rect((i - _previousIndex) * finalSize.Width, 0, finalSize.Width, finalSize.Height),
+                    Orientation.Vertical => new Rect(0, i * finalSize.Height, finalSize.Width, finalSize.Height),
+                    Orientation.Horizontal => new Rect(i * finalSize.Width, 0, finalSize.Width, finalSize.Height),
                     _ => default
                 };
                 child.Arrange(rect);
             }
-        if (Children.Count() > 1)
+        }
+        else if (Children.Count() > 1)
             Dispatcher.UIThread.Post(async () => _ = ApplyOffset(finalSize, true), DispatcherPriority.Render);
-        
-        _isChangingIndex = false;
 
         return finalSize;
     }