forced current changelog version to be opened on default

LightlessSync/UI/UpdateNotesUi.cs

@@ -26,6 +26,7 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
     private CreditsFile _credits = new();
     private bool _scrollToTop;
     private int _selectedTab;
+    private bool _hasInitializedCollapsingHeaders;
 
     private struct Particle
     {
@@ -65,6 +66,7 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
         PerformanceCollectorService performanceCollectorService)
         : base(logger, mediator, "Lightless Sync — Update Notes", performanceCollectorService)
     {
+        logger.LogInformation("UpdateNotesUi constructor called");
         _uiShared = uiShared;
         _configService = configService;
 
@@ -82,11 +84,13 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
         };
 
         LoadEmbeddedResources();
+        logger.LogInformation("UpdateNotesUi constructor completed successfully");
     }
 
     public override void OnOpen()
     {
         _scrollToTop = true;
+        _hasInitializedCollapsingHeaders = false;
     }
 
     protected override void DrawInternal()
@@ -108,7 +112,6 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
 
         var headerStart = windowPos + new Vector2(windowPadding.X, windowPadding.Y);
         var headerEnd = headerStart + new Vector2(headerWidth, HeaderHeight);
-        var headerSize = new Vector2(headerWidth, HeaderHeight);
 
         var extendedParticleSize = new Vector2(headerWidth, HeaderHeight + ExtendedParticleHeight);
 
@@ -610,6 +613,8 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
             {
                 DrawChangelogEntry(entry);
             }
+            
+            _hasInitializedCollapsingHeaders = true;
 
             ImGui.PopTextWrapPos();
             ImGui.Spacing();
@@ -618,28 +623,32 @@ public class UpdateNotesUi : WindowMediatorSubscriberBase
 
     private void DrawChangelogEntry(ChangelogEntry entry)
     {
-        var currentColor = entry.IsCurrent == true
+        var isCurrent = entry.IsCurrent ?? false;
+        
+        var currentColor = isCurrent
             ? UIColors.Get("LightlessGreen")
             : new Vector4(0.95f, 0.95f, 1.0f, 1.0f);
-
-        var flags = entry.IsCurrent == true
-            ? ImGuiTreeNodeFlags.DefaultOpen
-            : ImGuiTreeNodeFlags.None;
-
+        
+        var flags = isCurrent ? ImGuiTreeNodeFlags.DefaultOpen : ImGuiTreeNodeFlags.None;
+        
+        if (!_hasInitializedCollapsingHeaders)
+        {
+            ImGui.SetNextItemOpen(isCurrent, ImGuiCond.Always);
+        }
+        
+        bool isOpen;
         using (ImRaii.PushStyle(ImGuiStyleVar.FrameRounding, 4f))
         using (ImRaii.PushColor(ImGuiCol.Header, UIColors.Get("ButtonDefault")))
-        using (ImRaii.PushColor(ImGuiCol.HeaderHovered, UIColors.Get("LightlessPurple")))
-        using (ImRaii.PushColor(ImGuiCol.HeaderActive, UIColors.Get("LightlessPurpleActive")))
         using (ImRaii.PushColor(ImGuiCol.Text, currentColor))
         {
-            var isOpen = ImGui.CollapsingHeader($" {entry.Name} — {entry.Date} ", flags);
+            isOpen = ImGui.CollapsingHeader($" {entry.Name} — {entry.Date} ", flags);
             
             ImGui.SameLine();
             ImGui.TextColored(new Vector4(0.85f, 0.85f, 0.95f, 1.0f), $"  —  {entry.Tagline}");
-            
-            if (!isOpen)
-                return;
         }
+        
+        if (!isOpen)
+            return;
 
         ImGuiHelpers.ScaledDummy(8);