From 79392230c462dc4dcbe46be7ea82eb6a06e6bff2 Mon Sep 17 00:00:00 2001
From: goat <goatsdev@protonmail.com>
Date: Wed, 19 Jun 2024 22:48:38 +0200
Subject: [PATCH] pi: correctly clear highlighted categories when clearing the
 search bar

---
 Dalamud/Interface/Internal/PluginCategoryManager.cs             | 2 ++
 .../Internal/Windows/PluginInstaller/PluginInstallerWindow.cs   | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/Dalamud/Interface/Internal/PluginCategoryManager.cs b/Dalamud/Interface/Internal/PluginCategoryManager.cs
index 62e7cd97d..ec2a1c15b 100644
--- a/Dalamud/Interface/Internal/PluginCategoryManager.cs
+++ b/Dalamud/Interface/Internal/PluginCategoryManager.cs
@@ -373,6 +373,8 @@ internal class PluginCategoryManager
     /// <param name="plugins">List of plugins whose categories should be highlighted.</param>
     public void SetCategoryHighlightsForPlugins(IEnumerable<PluginManifest> plugins)
     {
+        ArgumentNullException.ThrowIfNull(plugins);
+        
         this.highlightedCategoryKinds.Clear();
 
         foreach (var entry in plugins)
diff --git a/Dalamud/Interface/Internal/Windows/PluginInstaller/PluginInstallerWindow.cs b/Dalamud/Interface/Internal/Windows/PluginInstaller/PluginInstallerWindow.cs
index 1c64e9baa..3ceb19afa 100644
--- a/Dalamud/Interface/Internal/Windows/PluginInstaller/PluginInstallerWindow.cs
+++ b/Dalamud/Interface/Internal/Windows/PluginInstaller/PluginInstallerWindow.cs
@@ -3573,7 +3573,7 @@ internal class PluginInstallerWindow : Window, IDisposable
     {
         if (string.IsNullOrEmpty(this.searchText))
         {
-            this.categoryManager.SetCategoryHighlightsForPlugins(null);
+            this.categoryManager.SetCategoryHighlightsForPlugins(Array.Empty<RemotePluginManifest>());
 
             // Reset here for good measure, as we're returning from a search
             this.openPluginCollapsibles.Clear();