Adding KeyBindings scenario

UICatalog/Scenarios/KeyBindings.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using Terminal.Gui;
+
+namespace UICatalog.Scenarios;
+
+[ScenarioMetadata ("KeyBindings", "Illustrates the KeyBindings API.")]
+[ScenarioCategory ("Mouse and Keyboard")]
+public sealed class KeyBindings : Scenario
+{
+    public override void Main ()
+    {
+        // Init
+        Application.Init ();
+
+        // Setup - Create a top-level application window and configure it.
+        Window appWindow = new ()
+        {
+            Title = $"{Application.QuitKey} to Quit - Scenario: {GetName ()}",
+        };
+
+
+        Label label = new ()
+        {
+            Title = "_Label:",
+        };
+        TextField textField = new ()
+        {
+            X = Pos.Right (label),
+            Y = Pos.Top (label),
+            Width = 20,
+        };
+        textField.KeyBindings.Add (Key.F4, KeyBindingScope.Application, Command.SelectAll);
+
+        appWindow.Add (label, textField);
+
+        List<string> bindingList = new ();
+        ListView keyBindingsListView = new ()
+        {
+            X = 0,
+            Y = Pos.Bottom (textField) + 1,
+            Width = 60,
+            Height = Dim.Fill (1),
+            CanFocus = true,
+            Source = new ListWrapper (bindingList),
+        };
+        appWindow.Add (keyBindingsListView);
+
+        foreach (var binding in appWindow.KeyBindings.Bindings)
+        {
+            bindingList.Add ($"{appWindow.GetType ().Name} - {binding.Key} - {binding.Value.Scope}: {binding.Value.Commands [0]}");
+        }   
+
+        foreach (var subview in appWindow.Subviews)
+        {
+            foreach (var binding in subview.KeyBindings.Bindings)
+            {
+                bindingList.Add ($"{subview.GetType ().Name} - {binding.Key} - {binding.Value.Scope}: {binding.Value.Commands [0]}");
+            }
+        }
+
+        keyBindingsListView.SelectedItem = 0;
+        //keyBindingsListView.MoveEnd ();
+
+        //appWindow.Initialized += (s, e) =>
+        //{
+        //    keyBindingsListView.EnsureSelectedItemVisible ();
+        //};
+        // Run - Start the application.
+        Application.Run (appWindow);
+        appWindow.Dispose ();
+
+        // Shutdown - Calling Application.Shutdown is required.
+        Application.Shutdown ();
+    }
+}