Add scroll bar to OutputBlock

StabilityMatrix/LaunchPage.xaml

@@ -29,6 +29,7 @@
                 Grid.Row="0"
                 Content="Launch"
                 Command="{Binding LaunchCommand}"
+                Background="Green"
                 HorizontalAlignment="Left"
                 VerticalAlignment="Stretch"
                 Margin="10,10,0,0"/>
@@ -50,8 +51,9 @@
                 </ComboBox.ItemTemplate>
             </ComboBox>
         </Grid>
-        
-        <TextBlock Grid.Row="1" 
+        <ScrollViewer Grid.Row="1" x:Name="OutputScrollViewer">
+            <TextBlock ScrollViewer.HorizontalScrollBarVisibility="Hidden"
+                       ScrollViewer.VerticalScrollBarVisibility="Auto"
                        Name="OutputBlock"
                        Margin="10,10,10,10"
                        Text="{Binding ConsoleOutput, Mode=OneWay}"
@@ -60,5 +62,6 @@
                        Background="{DynamicResource ControlFillColorDisabledBrush}"
                        HorizontalAlignment="Stretch"
                        VerticalAlignment="Stretch"/>
+        </ScrollViewer>
     </Grid>
 </Page>

StabilityMatrix/LaunchPage.xaml.cs

@@ -1,4 +1,5 @@
-using System.Windows;
+using System;
+using System.Windows;
 using System.Windows.Controls;
 using StabilityMatrix.ViewModels;
 
@@ -19,5 +20,14 @@ public sealed partial class LaunchPage : Page
     {
         viewModel.OnLoaded();
         SelectPackageComboBox.ItemsSource = viewModel.InstalledPackages;
+        viewModel.ScrollNeeded += ViewModelOnScrollNeeded;
+    }
+
+    private void ViewModelOnScrollNeeded(object? sender, EventArgs e)
+    {
+        Dispatcher.Invoke(() =>
+        {
+            OutputScrollViewer.ScrollToBottom();
+        });
     }
 }

StabilityMatrix/ViewModels/LaunchViewModel.cs

@@ -42,6 +42,7 @@ public partial class LaunchViewModel : ObservableObject
     }
 
     public ObservableCollection<InstalledPackage> InstalledPackages = new();
+    public event EventHandler ScrollNeeded;
 
     public LaunchViewModel(ISettingsManager settingsManager)
     {
@@ -59,6 +60,8 @@ public partial class LaunchViewModel : ObservableObject
             return;
         }
 
+        await PyRunner.Initialize();
+        
         // Get path from package
         var packagePath = SelectedPackage.Path;
         var venvPath = Path.Combine(packagePath, "venv");
@@ -77,6 +80,7 @@ public partial class LaunchViewModel : ObservableObject
             {
                 Debug.WriteLine($"process stdout: {s}");
                 ConsoleOutput += s + "\n";
+                ScrollNeeded?.Invoke(this, EventArgs.Empty);
             });
         });
         
@@ -86,6 +90,7 @@ public partial class LaunchViewModel : ObservableObject
             {
                 Debug.WriteLine($"Venv process exited with code {i}");
                 ConsoleOutput += $"Venv process exited with code {i}";
+                ScrollNeeded?.Invoke(this, EventArgs.Empty);
             });
         });