X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/18ca66650a894a39b19e5b88ae9facee76071552..3d777efedc1e05bd6c2a7c34a00a65895b62bb13:/src/generic/scrlwing.cpp

diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index 921c5961ca..ed7d288d7e 100644
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -5,7 +5,6 @@
 // Modified by: Vadim Zeitlin on 31.08.00: wxScrollHelper allows to implement.
 //              Ron Lee on 10.4.02:  virtual size / auto scrollbars et al.
 // Created:     01/02/97
-// RCS-ID:      $Id$
 // Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -1018,6 +1017,9 @@ void wxScrollHelperBase::HandleOnMouseWheel(wxMouseEvent& event)
         newEvent.SetOrientation( event.GetWheelAxis() == 0 ? wxVERTICAL : wxHORIZONTAL);
         newEvent.SetEventObject(m_win);
 
+        if ( event.GetWheelAxis() == wxMOUSE_WHEEL_HORIZONTAL )
+            lines = -lines;
+
         if (event.IsPageScroll())
         {
             if (lines > 0)