uint32_t old_display_order;
uint32_t new_display_order;
uint32_t compare_order;
+ boost::shared_ptr<ARDOUR::Stripable> stripable;
OrderKeys (uint32_t ok, boost::shared_ptr<ARDOUR::Stripable> s, uint32_t cmp_max)
: old_display_order (ok)
+ , stripable (s)
{
new_display_order = s->presentation_info().order();
compare_order = new_display_order;