DefWindowProc should pass unhandled WM_MOUSEWHEEL to parent, according

to documentation.

DefWindowProc should pass unhandled WM_MOUSEWHEEL to parent, according
c27b6cf9 · Ove Kaaven · Alexandre Julliard · 91ae8cb2 · c27b6cf9
Commit c27b6cf9 authored Jul 23, 2000 by Ove Kaaven Committed by Alexandre Julliard Jul 23, 2000
Show whitespace changes
Inline Side-by-side

Showing with 8 additions and 0 deletions

defwnd.c windows/defwnd.c +8 -0

No files found.
--- a/windows/defwnd.c
+++ b/windows/defwnd.c
@@ -331,6 +331,14 @@ static LRESULT DEFWND_DefWinProc( WND *wndPtr, UINT msg, WPARAM wParam,
 	}
 	break;
+     case WM_MOUSEWHEEL:
+	if (wndPtr->dwStyle & WS_CHILD)
+	{
+	    return SendMessageA( wndPtr->parent->hwndSelf,
+				 WM_MOUSEWHEEL, wParam, lParam );
+	}
+	break;
    case WM_ERASEBKGND:
    case WM_ICONERASEBKGND:
 	{