From a78469f6877467030011427a8066f1c76d01bbcd Mon Sep 17 00:00:00 2001
From: Curtis Wensley <curtis.wensley@gmail.com>
Date: Tue, 1 Feb 2022 09:30:53 -0800
Subject: [PATCH] Wpf: Fix calling Window.LostFocus when focus changes within a
 window

---
 src/Eto.Wpf/Forms/WpfWindow.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Eto.Wpf/Forms/WpfWindow.cs b/src/Eto.Wpf/Forms/WpfWindow.cs
index 257dbbd266..bae4db526c 100644
--- a/src/Eto.Wpf/Forms/WpfWindow.cs
+++ b/src/Eto.Wpf/Forms/WpfWindow.cs
@@ -227,7 +227,11 @@ public override void AttachEvent(string id)
 					Control.Activated += (sender, e) => Callback.OnGotFocus(Widget, EventArgs.Empty);
 					break;
 				case Eto.Forms.Control.LostFocusEvent:
-					Control.LostKeyboardFocus += (sender, e) => Callback.OnLostFocus(Widget, EventArgs.Empty);
+					// LostKeyboardFocus is called for every child, only fire event when the form is no longer active
+					Control.LostKeyboardFocus += (sender, e) => {
+						if (!Control.IsActive)
+							Callback.OnLostFocus(Widget, EventArgs.Empty);
+					};
 					break;
 				case Window.LocationChangedEvent:
 					Control.LocationChanged += (sender, e) => Callback.OnLocationChanged(Widget, EventArgs.Empty);