From c0d65a351ee59d11d0ee3cd21beda957f4432854 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sun, 13 May 2001 11:19:20 +0000
Subject: [PATCH] Define WM_MOUSEWHEEL (to 0x20A) if it's not defined by
 windows.h.

[originally from svn r1115]
---
 window.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/window.c b/window.c
index 437f7dd8..761097e5 100644
--- a/window.c
+++ b/window.c
@@ -57,6 +57,11 @@
 #define VK_PROCESSKEY 0xE5
 #endif
 
+/* Needed for mouse wheel support and not defined in earlier SDKs. */
+#ifndef WM_MOUSEWHEEL
+#define WM_MOUSEWHEEL 0x020A
+#endif
+
 static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 			unsigned char *output);