Hide back button when folders are disabled, reload game list when the folder setting is changed

src/Ryujinx/UI/ViewModels/MainWindowViewModel.cs

@@ -86,6 +86,7 @@ namespace Ryujinx.Ava.UI.ViewModels
         private string _lastScannedAmiiboId;
         private bool _statusBarVisible;
         private bool _isInFolder;
+        private bool _foldersEnabled;
         private ReadOnlyObservableCollection<ApplicationData> _appsObservableList;
 
         private string _showUiKey = "F4";
@@ -123,6 +124,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
             _rendererWaitEvent = new AutoResetEvent(false);
             _pathHistory = new Stack<string>();
+            FoldersEnabled = ConfigurationState.Instance.UI.UseSystemGameFolders;
 
             if (Program.PreviewerDetached)
             {
@@ -683,6 +685,16 @@ namespace Ryujinx.Ava.UI.ViewModels
                 OnPropertyChanged();
             }
         }
+        public bool FoldersEnabled
+        {
+            get => _foldersEnabled;
+            set
+            {
+                _foldersEnabled = value;
+
+                OnPropertyChanged();
+            }
+        }
 
         internal void Sort(bool isAscending)
         {

src/Ryujinx/UI/ViewModels/SettingsViewModel.cs

@@ -116,6 +116,7 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         public bool IsHypervisorAvailable => OperatingSystem.IsMacOS() && RuntimeInformation.ProcessArchitecture == Architecture.Arm64;
 
+        public bool FolderModeChanged;
         public bool DirectoryChanged
         {
             get => _directoryChanged;
@@ -491,7 +492,6 @@ namespace Ryujinx.Ava.UI.ViewModels
             config.EnableDiscordIntegration.Value = EnableDiscordIntegration;
             config.CheckUpdatesOnStart.Value = CheckUpdatesOnStart;
             config.ShowConfirmExit.Value = ShowConfirmExit;
-            config.UI.UseSystemGameFolders.Value = UseSystemGameFolders;
             config.HideCursor.Value = (HideCursorMode)HideCursor;
 
             if (_directoryChanged)
@@ -500,6 +500,12 @@ namespace Ryujinx.Ava.UI.ViewModels
                 config.UI.GameDirs.Value = gameDirs;
             }
 
+            if (UseSystemGameFolders != config.UI.UseSystemGameFolders.Value)
+            {
+                FolderModeChanged = true;
+            }
+            config.UI.UseSystemGameFolders.Value = UseSystemGameFolders;
+
             config.UI.BaseStyle.Value = BaseStyleIndex == 0 ? "Light" : "Dark";
 
             // Input
@@ -590,6 +596,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             SaveSettingsEvent?.Invoke();
 
             _directoryChanged = false;
+            FolderModeChanged = false;
         }
 
         private static void RevertIfNotSaved()

src/Ryujinx/UI/Views/Main/MainViewControls.axaml

@@ -24,6 +24,7 @@
             Margin="5,2,0,2"
             VerticalAlignment="Stretch"
             Command="{Binding NavigateBack}"
+            IsVisible="{Binding FoldersEnabled}"
             IsEnabled="{Binding IsInFolder}">
             <ui:FontIcon
                 Margin="0"

src/Ryujinx/UI/Windows/SettingsWindow.axaml.cs

@@ -39,10 +39,19 @@ namespace Ryujinx.Ava.UI.Windows
         {
             InputPage.ControllerSettings?.SaveCurrentProfile();
 
-            if (Owner is MainWindow window && ViewModel.DirectoryChanged)
+            if (Owner is MainWindow window)
+            {
+                if (ViewModel.DirectoryChanged)
                 {
                     window.LoadApplications();
                 }
+
+                if (ViewModel.FolderModeChanged)
+                {
+                    window.LoadApplications();
+                    window.ViewModel.FoldersEnabled = ViewModel.UseSystemGameFolders;
+                }
+            }
         }
 
         private void Load()