Add hidden language (NovaAurora) (#912)

* Add hidden language (NovaAurora)

* add test

Author: Deterous

CHANGELIST.md

@@ -55,6 +55,7 @@
 - Fix rolling tag
 - Try to add UI links to rolling release
 - Slight tweak to automatic UI links
+- Add hidden language (NovaAurora)
 
 ### 3.5.0 (2025-10-10)
 

MPF.Frontend.Test/EnumExtensionsTests.cs

@@ -28,6 +28,7 @@ public class EnumExtensionsTests
         [InlineData(InterfaceLanguage.Spanish, "Español")]
         [InlineData(InterfaceLanguage.Swedish, "Svenska")]
         [InlineData(InterfaceLanguage.Ukrainian, "Українська")]
+        [InlineData(InterfaceLanguage.L337, "L337")]
         public void LongName_InterfaceLanguage(InterfaceLanguage? lang, string? expected)
         {
             string? actual = lang.LongName();
@@ -155,6 +156,7 @@ public void LongName_RedumperDriveType(RedumperDriveType? type, string? expected
         [InlineData(InterfaceLanguage.Spanish, "spa")]
         [InlineData(InterfaceLanguage.Swedish, "swe")]
         [InlineData(InterfaceLanguage.Ukrainian, "ukr")]
+        [InlineData(InterfaceLanguage.L337, "l37")]
         public void ShortName_InterfaceLanguage(InterfaceLanguage? lang, string? expected)
         {
             string? actual = lang.ShortName();
@@ -196,6 +198,7 @@ public void ShortName_InternalProgram(InternalProgram? prog, string? expected)
         [InlineData("spa", InterfaceLanguage.Spanish)]
         [InlineData("swe", InterfaceLanguage.Swedish)]
         [InlineData("ukr", InterfaceLanguage.Ukrainian)]
+        [InlineData("l37", InterfaceLanguage.L337)]
         public void ToInterfaceLanguageTest(string? interfaceLanguage, InterfaceLanguage expected)
         {
             InterfaceLanguage actual = interfaceLanguage.ToInterfaceLanguage();

MPF.Frontend/EnumExtensions.cs

@@ -91,6 +91,7 @@ public static string LongName(this InterfaceLanguage? lang)
                 InterfaceLanguage.Spanish => "Español",
                 InterfaceLanguage.Swedish => "Svenska",
                 InterfaceLanguage.Ukrainian => "Українська",
+                InterfaceLanguage.L337 => "L337",
 
                 _ => "Unknown",
             };
@@ -275,6 +276,7 @@ public static string ShortName(this InterfaceLanguage? lang)
                 InterfaceLanguage.Spanish => "spa",
                 InterfaceLanguage.Swedish => "swe",
                 InterfaceLanguage.Ukrainian => "ukr",
+                InterfaceLanguage.L337 => "l37",
 
                 _ => "Unknown",
             };
@@ -336,6 +338,7 @@ public static InterfaceLanguage ToInterfaceLanguage(this string? internalLanguag
                 "spa" or "spanish" or "español" => InterfaceLanguage.Spanish,
                 "swe" or "swedish" or "svenska" => InterfaceLanguage.Swedish,
                 "ukr" or "ukranian" or "українська" => InterfaceLanguage.Ukrainian,
+                "l37" or "l337" => InterfaceLanguage.L337,
 
                 _ => InterfaceLanguage.AutoDetect,
             };

MPF.Frontend/Enumerations.cs

@@ -10,6 +10,7 @@ public enum InterfaceLanguage
         /// </summary>
         AutoDetect = 0,
 
+        // Selectable languages (in Manual Window dropdown)
         English,
         French,
         German,
@@ -21,6 +22,9 @@ public enum InterfaceLanguage
         Spanish,
         Swedish,
         Ukrainian,
+
+        // Hidden languages (not in Main Window dropdown)
+        L337,
     }
 
     /// <summary>

MPF.UI/Resources/String.37.xaml

@@ -194,6 +194,7 @@ private void SetInterfaceLanguage(InterfaceLanguage lang)
                 InterfaceLanguage.Spanish => new Uri("../Resources/Strings.es.xaml", UriKind.Relative),
                 InterfaceLanguage.Swedish => new Uri("../Resources/Strings.sv.xaml", UriKind.Relative),
                 InterfaceLanguage.Ukrainian => new Uri("../Resources/Strings.uk.xaml", UriKind.Relative),
+                InterfaceLanguage.L337 => new Uri("../Resources/Strings.37.xaml", UriKind.Relative),
                 _ => new Uri("../Resources/Strings.xaml", UriKind.Relative),
             };
             Application.Current.Resources.MergedDictionaries.Add(dictionary);

MPF.UI/Windows/MainWindow.xaml.cs

@@ -60,7 +60,7 @@ To build for .NET 9.0, ensure that the [.NET 9.0 SDK](https://dotnet.microsoft.c
 **MPF.UI (Windows only):**
 
 ```bash
-dotnet build MPF/MPF.csproj --framework net9.0-windows --runtime [win-x86|win-x64]
+dotnet build MPF.UI/MPF.UI.csproj --framework net9.0-windows --runtime [win-x86|win-x64]
 ```
 
 **MPF.CLI (Windows, OSX, Linux):**