From d8d485370c4b2d76f5afe26c76cd36c4c291e72d Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Mon, 25 Jul 2011 15:03:42 -0700
Subject: [PATCH] If we didn't create win32 window, restore its event procedure
 on destruction.

---
 src/video/windows/SDL_windowswindow.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/video/windows/SDL_windowswindow.c b/src/video/windows/SDL_windowswindow.c
index 34ebc12e2..55fc54d3f 100644
--- a/src/video/windows/SDL_windowswindow.c
+++ b/src/video/windows/SDL_windowswindow.c
@@ -636,6 +636,15 @@ WIN_DestroyWindow(_THIS, SDL_Window * window)
         ReleaseDC(data->hwnd, data->hdc);
         if (data->created) {
             DestroyWindow(data->hwnd);
+        } else {
+            /* Restore any original event handler... */
+            if (data->wndproc != NULL) {
+#ifdef GWLP_WNDPROC
+                SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) data->wndproc);
+#else
+                SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR) data->wndproc);
+#endif
+            }
         }
         SDL_free(data);
     }