goodbye lag

LightlessSync/UI/Components/DrawFolderBase.cs

@@ -4,8 +4,8 @@ using Dalamud.Interface.Utility.Raii;
 using LightlessSync.UI.Handlers;
 using LightlessSync.UI.Models;
 using System.Collections.Immutable;
-using LightlessSync.UI;
 using LightlessSync.UI.Style;
+using OtterGui.Text;
 
 namespace LightlessSync.UI.Components;
 
@@ -113,9 +113,13 @@ public abstract class DrawFolderBase : IDrawFolder
             using var indent = ImRaii.PushIndent(_uiSharedService.GetIconSize(FontAwesomeIcon.EllipsisV).X + ImGui.GetStyle().ItemSpacing.X, false);
             if (DrawPairs.Any())
             {
-                foreach (var item in DrawPairs)
+                using var clipper = ImUtf8.ListClipper(DrawPairs.Count, ImGui.GetFrameHeightWithSpacing());
+                while (clipper.Step())
                 {
-                    item.DrawPairedClient();
+                    for (var i = clipper.DisplayStart; i < clipper.DisplayEnd; i++)
+                    {
+                        DrawPairs[i].DrawPairedClient();
+                    }
                 }
             }
             else