1 files changed, 26 insertions, 0 deletions
diff --git a/Xamarin.PropertyEditing.Mac/Controls/Custom/ProxyResponderButton.cs b/Xamarin.PropertyEditing.Mac/Controls/Custom/ProxyResponderButton.cs
new file mode 100644
index 0000000..a37479f
--- /dev/null
+++ b/Xamarin.PropertyEditing.Mac/Controls/Custom/ProxyResponderButton.cs
@@ -0,0 +1,26 @@
+using AppKit;
+
+namespace Xamarin.PropertyEditing.Mac
+{
+	internal class ProxyResponderButton : NSButton
+	{
+		public ProxyResponder ProxyResponder { get; set; }
+
+		public override void KeyDown (NSEvent theEvent)
+		{
+			switch (theEvent.KeyCode) {
+			case (int)NSKey.Tab:
+				if (ProxyResponder != null) {
+					if (theEvent.ModifierFlags.HasFlag(NSEventModifierMask.ShiftKeyMask)) {
+						ProxyResponder.PreviousResponder ();
+					} else {
+						ProxyResponder.NextResponder ();
+					}
+					return;
+				}
+				break;
+			}
+			base.KeyDown (theEvent);
+		}
+	}
+}