From 6b001c490dd8fe4bee1a6b4115dc40fe2b7a2161 Mon Sep 17 00:00:00 2001
From: Nick Westgate <nick.westgate@gmail.com>
Date: Sun, 16 Apr 2017 22:42:27 +1200
Subject: [PATCH] Fix F4 can exit app after Alt-Tab

---
 src/win_generic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/win_generic.c b/src/win_generic.c
index 149c8fd..91309c3 100644
--- a/src/win_generic.c
+++ b/src/win_generic.c
@@ -331,6 +331,9 @@ win_event_handler(HWND hwnd, UINT umsg, WPARAM wParam, LPARAM lParam)
 		}
 		DragFinish((HDROP)wParam);
 		break;
+	case WM_KILLFOCUS:
+		adb_all_keys_up(); // ALT-TAB doesn't send key-up messages
+		break;
 	}
 	switch(umsg) {
 		HANDLE_MSG(hwnd, WM_KEYUP, WIN_EVENT_KEY);