From ba9c16e4c4c7c2fbe9c4580af2619a2973678387 Mon Sep 17 00:00:00 2001
From: Daniu <Danonejk@gmail.com>
Date: Thu, 12 Feb 2026 11:07:36 +0100
Subject: [PATCH] Added system language detection

---
 StarterNG/App.axaml.cs                    | 17 ++++++++++++++---
 StarterNG/Services/LocalizationService.cs |  6 ++++--
 StarterNG/Views/Settings.axaml            |  2 +-
 StarterNG/Views/Settings.axaml.cs         | 12 +++++++++---
 4 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/StarterNG/App.axaml.cs b/StarterNG/App.axaml.cs
index f28ab44..6b5d2e0 100644
--- a/StarterNG/App.axaml.cs
+++ b/StarterNG/App.axaml.cs
@@ -1,7 +1,7 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using Avalonia;
-using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
 using Avalonia.Markup.Xaml.Styling;
@@ -18,9 +18,17 @@ public partial class App : Application
     {
         AvaloniaXamlLoader.Load(this);
 
+        CultureInfo ci = CultureInfo.InstalledUICulture ;
+ 
+        var langName = ci.Name switch
+        {
+            "pl-PL" => "Polski",
+            _ => "English"
+        };
+ 
         var langDict = new ResourceInclude(new Uri("avares://StarterNG/"))
         {
-            Source = new Uri("Assets/Langs/English.axaml", UriKind.Relative)
+            Source = new Uri($"Assets/Langs/{langName}.axaml", UriKind.Relative)
         };
 
         var resources = Current!.Resources;
@@ -36,7 +44,10 @@ public partial class App : Application
         }
 
         resources.MergedDictionaries.Add(langDict);
-        Loc.SetLanguage(langDict);
+        
+         
+        
+        Loc.SetLanguage(langDict, langName);
     }
 
     public override void OnFrameworkInitializationCompleted()
diff --git a/StarterNG/Services/LocalizationService.cs b/StarterNG/Services/LocalizationService.cs
index 084e381..02839ce 100644
--- a/StarterNG/Services/LocalizationService.cs
+++ b/StarterNG/Services/LocalizationService.cs
@@ -1,6 +1,5 @@
 using System.ComponentModel;
 using Avalonia.Controls;
-using Avalonia.Styling;
 
 namespace StarterNG.Services;
 
@@ -11,6 +10,8 @@ public class LocalizationService : INotifyPropertyChanged
     public event PropertyChangedEventHandler? PropertyChanged;
 
 
+    public string CurrentLanguage;
+
     public string this[string key]
     {
         get
@@ -23,9 +24,10 @@ public class LocalizationService : INotifyPropertyChanged
         }
     }
 
-    public void SetLanguage(IResourceProvider provider)
+    public void SetLanguage(IResourceProvider provider, string langName)
     {
         _currentProvider = provider;
+        CurrentLanguage = langName;
         PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Item"));
     }
 
diff --git a/StarterNG/Views/Settings.axaml b/StarterNG/Views/Settings.axaml
index 8f10973..70fc150 100644
--- a/StarterNG/Views/Settings.axaml
+++ b/StarterNG/Views/Settings.axaml
@@ -17,7 +17,7 @@
                         <StackPanel Spacing="8" Orientation="Vertical">
                             <StackPanel Spacing="8" Orientation="Horizontal">
                                 <Label Content="{Binding [Language], Source={x:Static starterNg:App.Loc}}"  VerticalAlignment="Center" FontSize="14"/>
-                                <ComboBox MinWidth="350" MaxWidth="350" SelectedIndex="1" SelectionChanged="LanguageComboBox_OnSelectionChanged">
+                                <ComboBox x:Name="ChangeLanguageCb" MinWidth="350" MaxWidth="350" SelectedIndex="1" SelectionChanged="LanguageComboBox_OnSelectionChanged">
                                     <ComboBoxItem>Polski</ComboBoxItem>
                                     <ComboBoxItem>English</ComboBoxItem>
                                 </ComboBox>
diff --git a/StarterNG/Views/Settings.axaml.cs b/StarterNG/Views/Settings.axaml.cs
index 6b62f7b..08b90f0 100644
--- a/StarterNG/Views/Settings.axaml.cs
+++ b/StarterNG/Views/Settings.axaml.cs
@@ -1,9 +1,7 @@
 using System;
 using System.Linq;
-using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
-using Avalonia.Markup.Xaml;
 using Avalonia.Markup.Xaml.Styling;
 
 namespace StarterNG.Views;
@@ -19,6 +17,12 @@ public partial class Settings : UserControl
             CabTextureResolutionSlider_OnValueChanged(null, null);
             shaderResolutionSlider_OnValueChanged(null, null);
         };
+        
+        ChangeLanguageCb.SelectedIndex = App.Loc.CurrentLanguage switch
+        {
+            "Polski" => 0,
+            _ => 1
+        };
     }
 
     private void TextureResolutionSlider_OnValueChanged(object? sender, RangeBaseValueChangedEventArgs e)
@@ -50,7 +54,9 @@ public partial class Settings : UserControl
 
     private void LanguageComboBox_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
     {
+        
         if (sender is not ComboBox { SelectedItem: ComboBoxItem item }) return;
+        if (!item.IsKeyboardFocusWithin) return;
         var lang = item.Content?.ToString();
         if (string.IsNullOrEmpty(lang)) return;
         
@@ -69,6 +75,6 @@ public partial class Settings : UserControl
         }
         App.Current.Resources.MergedDictionaries.Add(langDict);
 
-        App.Loc.SetLanguage(langDict);
+        App.Loc.SetLanguage(langDict, lang);
     }
 }
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