}
if ((av.getSelectionGroup() == null)
- || ((!e.isControlDown() && !e.isShiftDown()) && av
- .getSelectionGroup() != null))
+ || ((!jalview.util.Platform.isControlDown(e) && !e
+ .isShiftDown()) && av.getSelectionGroup() != null))
{
av.setSelectionGroup(new SequenceGroup());
av.getSelectionGroup().setStartRes(0);