Brendan Shanks : win32u: Propagate WM_MOUSEHWHEEL to the parent window in DefWindowProc().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8a9c955b56ca3cbf2b1a19b0979584ee7add7a2b
URL:    https://gitlab.winehq.org/wine/wine/-/commit/8a9c955b56ca3cbf2b1a19b0979584e...

Author: Brendan Shanks <bshanks(a)codeweavers.com>
Date:   Fri May 19 15:52:08 2023 -0700

win32u: Propagate WM_MOUSEHWHEEL to the parent window in DefWindowProc().

---

 dlls/win32u/defwnd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/win32u/defwnd.c b/dlls/win32u/defwnd.c
index 0635bd2b722..e5ff1a010b9 100644
--- a/dlls/win32u/defwnd.c
+++ b/dlls/win32u/defwnd.c
@@ -2562,8 +2562,9 @@ LRESULT default_window_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
         break;
 
     case WM_MOUSEWHEEL:
+    case WM_MOUSEHWHEEL:
         if (get_window_long( hwnd, GWL_STYLE ) & WS_CHILD)
-            result = send_message( get_parent( hwnd ), WM_MOUSEWHEEL, wparam, lparam );
+            result = send_message( get_parent( hwnd ), msg, wparam, lparam );
         break;
 
     case WM_ERASEBKGND: