Add restart emulation command

- Add RestartEmulation() method to MainWindowViewModel

- Add 'Restart Emulation' menu item with Ctrl+R keybinding

- Add locale translations for all supported languages

- No confirmation dialog (faster restart experience)

src/Ryujinx/Assets/Locales/en_US.json

@@ -23,6 +23,7 @@
   "MenuBarOptionsStartGamesInFullscreen": "Start Games in Fullscreen Mode",
   "MenuBarOptionsStartGamesWithoutUI": "Start Games with UI Hidden",
   "MenuBarOptionsStopEmulation": "Stop Emulation",
+  "MenuBarOptionsRestartEmulation": "Restart Emulation",
   "MenuBarOptionsSettings": "_Settings",
   "MenuBarOptionsManageUserProfiles": "_Manage User Profiles",
   "MenuBarActions": "_Actions",

src/Ryujinx/UI/ViewModels/MainWindowViewModel.cs

@@ -115,6 +115,7 @@ namespace Ryujinx.Ava.UI.ViewModels
         private string _screenshotKey = "F8";
         private float _volume;
         private ApplicationData _currentApplicationData;
+        private bool _pendingRestart;
         private readonly AutoResetEvent _rendererWaitEvent;
         private int _customVSyncInterval;
         private int _customVSyncIntervalPercentageProxy;
@@ -1092,6 +1093,14 @@ namespace Ryujinx.Ava.UI.ViewModels
 
                 await LoadApplication(_currentApplicationData);
             }
+            else if (_pendingRestart)
+            {
+                _pendingRestart = false;
+
+                Logger.Info?.Print(LogClass.Application, $"Restarting emulation for '{_currentApplicationData.Name}'");
+
+                await LoadApplication(_currentApplicationData);
+            }
             else
             {
                 // Otherwise, clear state.
@@ -1100,6 +1109,21 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
+        public void RestartEmulation()
+        {
+            if (AppHost is null || _currentApplicationData is null)
+            {
+                Logger.Warning?.Print(LogClass.Application, "RestartEmulation called but no application is running.");
+
+                return;
+            }
+
+            Logger.Info?.Print(LogClass.Application, $"Restart requested for '{_currentApplicationData.Name}'");
+
+            _pendingRestart = true;
+            AppHost.Stop();
+        }
+
         private void Update_StatusBar(object sender, StatusUpdatedEventArgs args)
         {
             if (ShowMenuAndStatusBar && !ShowLoadProgress && Application.Current != null)

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

@@ -189,6 +189,11 @@
                     Click="StopEmulation_Click"
                     Header="{locale:Locale MenuBarOptionsStopEmulation}"
                     InputGesture="Escape"
+                    IsEnabled="{Binding IsGameRunning}" />
+                <MenuItem
+                    Name="RestartEmulationMenuItem"
+                    Header="{locale:Locale MenuBarOptionsRestartEmulation}"
+                    InputGesture="Ctrl + R"
                     IsEnabled="{Binding IsGameRunning}"
                     ToolTip.Tip="{locale:Locale StopEmulationTooltip}" />
                 <MenuItem Command="{Binding SimulateWakeUpMessage}" Header="{locale:Locale MenuBarOptionsSimulateWakeUpMessage}" />

src/Ryujinx/UI/Windows/MainWindow.axaml

@@ -42,6 +42,7 @@
         <KeyBinding Gesture="Ctrl+A" Command="{Binding OpenAmiiboWindow}" />
         <KeyBinding Gesture="Ctrl+B" Command="{Binding OpenBinFile}" />
         <KeyBinding Gesture="Ctrl+," Command="{Binding OpenSettings}" />
+        <KeyBinding Gesture="Ctrl+R" Command="{Binding RestartEmulation}" />
     </Window.KeyBindings>
     <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
         <Grid.RowDefinitions>