Merge pull request #18 from ionite34/on-exit

StabilityMatrix/App.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:StabilityMatrix"
              xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
+             Exit="App_OnExit"
              Startup="App_OnStartup"
              >
     <Application.Resources>

StabilityMatrix/App.xaml.cs

@@ -20,6 +20,8 @@ namespace StabilityMatrix
     /// </summary>
     public partial class App : Application
     {
+        private ServiceProvider? serviceProvider;
+        
         private void App_OnStartup(object sender, StartupEventArgs e)
         {
             var serviceCollection = new ServiceCollection();
@@ -50,9 +52,14 @@ namespace StabilityMatrix
                 log.AddNLog(logConfig);
             });
 
-            var provider = serviceCollection.BuildServiceProvider();
+            serviceProvider = serviceCollection.BuildServiceProvider();
-            var window = provider.GetRequiredService<MainWindow>();
+            var window = serviceProvider.GetRequiredService<MainWindow>();
             window.Show();
         }
+
+        private void App_OnExit(object sender, ExitEventArgs e)
+        {
+            serviceProvider?.GetRequiredService<LaunchViewModel>().OnShutdown();
+        }
     }
 }

StabilityMatrix/ViewModels/LaunchViewModel.cs

@@ -28,7 +28,6 @@ public partial class LaunchViewModel : ObservableObject
     public string consoleOutput = "";
     
     private InstalledPackage? selectedPackage;
-    
     public InstalledPackage? SelectedPackage
     {
         get => selectedPackage;
@@ -42,6 +41,8 @@ public partial class LaunchViewModel : ObservableObject
     }
 
     public ObservableCollection<InstalledPackage> InstalledPackages = new();
+    public Process? CurrentRunningProcess { get; set; }
+    
     public event EventHandler ScrollNeeded;
 
     public LaunchViewModel(ISettingsManager settingsManager)
@@ -97,6 +98,7 @@ public partial class LaunchViewModel : ObservableObject
         var args = "\"" + Path.Combine(packagePath, "launch.py") + "\"";
 
         venv.RunDetached(args, onConsoleOutput, onExit);
+        CurrentRunningProcess = venv.Process;
     });
 
     public void OnLoaded()
@@ -104,10 +106,18 @@ public partial class LaunchViewModel : ObservableObject
         LoadPackages();
         if (InstalledPackages.Any())
         {
-            SelectedPackage = InstalledPackages[0];
+            SelectedPackage =
+                InstalledPackages[
+                    InstalledPackages.IndexOf(InstalledPackages.FirstOrDefault(x =>
+                        x.Id == settingsManager.Settings.ActiveInstalledPackage))];
         }
     }
 
+    public void OnShutdown()
+    {
+        CurrentRunningProcess?.Kill();
+    }
+
     private void LoadPackages()
     {
         var packages = settingsManager.Settings.InstalledPackages;