Rip out Microsoft's configuration and replace because it simply doesn't support polymorphism.... we are getting advanced boys!!!

Hyperbar.Windows/App.xaml.cs

@@ -4,8 +4,10 @@ using Hyperbar.Windows.Primary;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Options;
 using Microsoft.UI.Dispatching;
 using Microsoft.UI.Xaml;
+using System.Text.Json;
 
 namespace Hyperbar.Windows;
 
@@ -18,8 +20,7 @@ public partial class App :
     {
         base.OnLaunched(args);
 
-        var context = new DispatcherQueueSynchronizationContext(
-                    DispatcherQueue.GetForCurrentThread());
+        DispatcherQueueSynchronizationContext context = new(DispatcherQueue.GetForCurrentThread());
         SynchronizationContext.SetSynchronizationContext(context);
 
         IHost? host = Host.CreateDefaultBuilder()

Hyperbar.Windows/Lifecycles/IServiceCollectionExtensions.cs

@@ -36,7 +36,7 @@ namespace Hyperbar.Windows
 
                     isolatedServices.AddSingleton<IMediator, Mediator>();
                     isolatedServices.AddHandler<KeyAcceleratorHandler>();
-
+                    isolatedServices.AddHandler<ProcesssAcceleratorHandler>();
                     isolatedServices.AddTransient<IWidgetView, WidgetView>();
                     isolatedServices.AddContentTemplate<WidgetButtonViewModel, WidgetButtonView>();
 

Hyperbar.Windows/Mediators/KeyAcceleratorHandler.cs

@@ -1,14 +1,26 @@
 using Hyperbar.Windows.Interop;
+using System.Diagnostics;
 
 namespace Hyperbar.Windows;
 
 public class KeyAcceleratorHandler(IVirtualKeyboard virtualKeyboard) :
-    IRequestHandler<KeyAcceleratorCommand>
+    IRequestHandler<KeyAcceleratorRequest>
 {
-    public ValueTask<Unit> Handle(KeyAcceleratorCommand command,
+    public ValueTask<Unit> Handle(KeyAcceleratorRequest request,
         CancellationToken cancellationToken)
-    {       
-        virtualKeyboard.Send((int)command.Key);
+    {
+        virtualKeyboard.Send((int)request.Key, request.Modifiers?.Select(modifier => (int)modifier).ToArray() ?? []);
+        return default;
+    }
+}
+
+public class ProcesssAcceleratorHandler :
+    IRequestHandler<ProcessRequest>
+{
+    public ValueTask<Unit> Handle(ProcessRequest request,
+        CancellationToken cancellationToken)
+    {
+        Process.Start(request.Process);
         return default;
     }
 }

Hyperbar.Windows/Views/WidgetButtonView.xaml

@@ -10,13 +10,14 @@
         <SolidColorBrush x:Key="ButtonBorderBrushPressed" Color="Transparent" />
         <SolidColorBrush x:Key="ButtonBorderBrushDisabled" Color="Transparent" />
         <Thickness x:Key="ButtonPadding">0</Thickness>
-        <x:Double x:Key="ButtonWidth">32</x:Double>
-        <x:Double x:Key="ButtonHeight">32</x:Double>
+        <x:Double x:Key="ButtonWidth">40</x:Double>
+        <x:Double x:Key="ButtonHeight">40</x:Double>
     </UserControl.Resources>
     <Button
         Width="{StaticResource ButtonWidth}"
         Height="{StaticResource ButtonHeight}"
-        Padding="0"
+        Padding="{StaticResource ButtonPadding}"
+        FontSize="16"
         Command="{Binding Click}"
         Content="{Binding Icon}"
         FontFamily="{StaticResource SymbolThemeFontFamily}" />

Hyperbar.Windows/Views/WidgetView.xaml.cs

@@ -1,4 +1,5 @@
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Input;
 
 namespace Hyperbar.Windows;
 
@@ -6,5 +7,13 @@ public sealed partial class WidgetView :
     UserControl,
     IWidgetView
 {
-    public WidgetView() => InitializeComponent();
+    public WidgetView()
+    {
+        InitializeComponent();
+    }
+
+    protected override void OnKeyDown(KeyRoutedEventArgs e)
+    {
+        base.OnKeyDown(e);
+    }
 }