X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/784d9056f4f91e8c0eb4261456ab016214e22e17..ec2df34e27ba41f202ecbf096cdfed082a9ddb8f:/src/osx/carbon/nonownedwnd.cpp

diff --git a/src/osx/carbon/nonownedwnd.cpp b/src/osx/carbon/nonownedwnd.cpp
index 45344b01a6..d3216858bf 100644
--- a/src/osx/carbon/nonownedwnd.cpp
+++ b/src/osx/carbon/nonownedwnd.cpp
@@ -542,6 +542,7 @@ WXDLLEXPORT void SetupMouseEvent( wxMouseEvent &wxevent , wxMacCarbonEvent &cEve
             wxevent.m_wheelRotation = delta;
             wxevent.m_wheelDelta = 1;
             wxevent.m_linesPerAction = 1;
+            wxevent.m_columnsPerAction = 1;
             if ( axis == kEventMouseWheelAxisX )
                 wxevent.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL;
         }