avoid setting live cursor during busy state

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67087 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/window.mm

@@ -2142,6 +2142,8 @@ void wxWidgetCocoaImpl::DoNotifyFocusEvent(bool receivedFocus, wxWidgetImpl* oth
 }
 
 void wxWidgetCocoaImpl::SetCursor(const wxCursor& cursor)
+{
+    if ( !wxIsBusy() )
     {
         NSPoint location = [NSEvent mouseLocation];
         location = [[m_osxView window] convertScreenToBase:location];
@@ -2151,6 +2153,7 @@ void wxWidgetCocoaImpl::SetCursor(const wxCursor& cursor)
         {
             [(NSCursor*)cursor.GetHCURSOR() set];
         }
+    }
     [[m_osxView window] invalidateCursorRectsForView:m_osxView];
 }