1 files changed, 115 insertions, 0 deletions
diff --git a/src/Ryujinx/App.axaml.cs b/src/Ryujinx/App.axaml.cs
new file mode 100644
index 00000000..387a6dc1
--- /dev/null
+++ b/src/Ryujinx/App.axaml.cs
@@ -0,0 +1,115 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using Avalonia.Styling;
+using Avalonia.Threading;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Ava.UI.Windows;
+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+using Ryujinx.UI.Common.Configuration;
+using Ryujinx.UI.Common.Helper;
+using System;
+using System.Diagnostics;
+
+namespace Ryujinx.Ava
+{
+    public class App : Application
+    {
+        public override void Initialize()
+        {
+            Name = $"Ryujinx {Program.Version}";
+
+            AvaloniaXamlLoader.Load(this);
+
+            if (OperatingSystem.IsMacOS())
+            {
+                Process.Start("/usr/bin/defaults", "write org.ryujinx.Ryujinx ApplePressAndHoldEnabled -bool false");
+            }
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow();
+            }
+
+            base.OnFrameworkInitializationCompleted();
+
+            if (Program.PreviewerDetached)
+            {
+                ApplyConfiguredTheme();
+
+                ConfigurationState.Instance.UI.BaseStyle.Event += ThemeChanged_Event;
+                ConfigurationState.Instance.UI.CustomThemePath.Event += ThemeChanged_Event;
+                ConfigurationState.Instance.UI.EnableCustomTheme.Event += CustomThemeChanged_Event;
+            }
+        }
+
+        private void CustomThemeChanged_Event(object sender, ReactiveEventArgs<bool> e)
+        {
+            ApplyConfiguredTheme();
+        }
+
+        private void ShowRestartDialog()
+        {
+#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
+            Dispatcher.UIThread.InvokeAsync(async () =>
+            {
+                if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+                {
+                    var result = await ContentDialogHelper.CreateConfirmationDialog(
+                        LocaleManager.Instance[LocaleKeys.DialogThemeRestartMessage],
+                        LocaleManager.Instance[LocaleKeys.DialogThemeRestartSubMessage],
+                        LocaleManager.Instance[LocaleKeys.InputDialogYes],
+                        LocaleManager.Instance[LocaleKeys.InputDialogNo],
+                        LocaleManager.Instance[LocaleKeys.DialogRestartRequiredMessage]);
+
+                    if (result == UserResult.Yes)
+                    {
+                        var path = Environment.ProcessPath;
+                        var proc = Process.Start(path, CommandLineState.Arguments);
+                        desktop.Shutdown();
+                        Environment.Exit(0);
+                    }
+                }
+            });
+#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
+        }
+
+        private void ThemeChanged_Event(object sender, ReactiveEventArgs<string> e)
+        {
+            ApplyConfiguredTheme();
+        }
+
+        private void ApplyConfiguredTheme()
+        {
+            try
+            {
+                string baseStyle = ConfigurationState.Instance.UI.BaseStyle;
+
+                if (string.IsNullOrWhiteSpace(baseStyle))
+                {
+                    ConfigurationState.Instance.UI.BaseStyle.Value = "Dark";
+
+                    baseStyle = ConfigurationState.Instance.UI.BaseStyle;
+                }
+
+                RequestedThemeVariant = baseStyle switch
+                {
+                    "Light" => ThemeVariant.Light,
+                    "Dark" => ThemeVariant.Dark,
+                    _ => ThemeVariant.Default,
+                };
+            }
+            catch (Exception)
+            {
+                Logger.Warning?.Print(LogClass.Application, "Failed to Apply Theme. A restart is needed to apply the selected theme");
+
+                ShowRestartDialog();
+            }
+        }
+    }
+}