From 96ba6c4b5be3b13d776cfa853d5f76183d572989 Mon Sep 17 00:00:00 2001
From: narzoul <narzoul@users.noreply.github.com>
Date: Mon, 21 Mar 2016 23:30:53 +0100
Subject: [PATCH] Handle undocumented menu selection change message

Now the selection is properly cleared also when the mouse leaves the menu window area.
---
 DDrawCompat/CompatGdiPaintHandlers.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/DDrawCompat/CompatGdiPaintHandlers.cpp b/DDrawCompat/CompatGdiPaintHandlers.cpp
index 45ff652..272e78b 100644
--- a/DDrawCompat/CompatGdiPaintHandlers.cpp
+++ b/DDrawCompat/CompatGdiPaintHandlers.cpp
@@ -118,6 +118,14 @@ namespace
 			result = onMenuPaint(hwnd, g_origMenuWndProc);
 			break;
 
+		case 0x1e5:
+			if (-1 == wParam)
+			{
+				// Clearing of selection is not caught by WM_MENUSELECT when mouse leaves menu window
+				RedrawWindow(hwnd, nullptr, nullptr, RDW_INVALIDATE);
+			}
+			// fall through to default
+
 		default:
 			result = g_origMenuWndProc(hwnd, msg, wParam, lParam);
 			break;