selected Stripables now have a counter to indicate the order they were selected in

[ardour.git] / libs / ardour / presentation_info.cc

diff --git a/libs/ardour/presentation_info.cc b/libs/ardour/presentation_info.cc
index 25048eaf98231eb9e5a9a9ab668c5657ad8fe9b6..e3e7700d403409c7ff436e63114b949681505f0c 100644 (file)
--- a/libs/ardour/presentation_info.cc
+++ b/libs/ardour/presentation_info.cc
@@ -43,6 +43,7 @@ PBD::Signal1<void,PropertyChange const &> PresentationInfo::Change;
 Glib::Threads::Mutex PresentationInfo::static_signal_lock;
 int PresentationInfo::_change_signal_suspended = 0;
 PBD::PropertyChange PresentationInfo::_pending_static_changes;
+int PresentationInfo::selection_counter = 0;
 
 namespace ARDOUR {
        namespace Properties {
@@ -243,8 +244,10 @@ PresentationInfo::set_selected (bool yn)
        if (yn != selected()) {
                if (yn) {
                        _flags = Flag (_flags | Selected);
+                       _selection_cnt = g_atomic_int_add (&selection_counter, 1);
                } else {
                        _flags = Flag (_flags & ~Selected);
+                       _selection_cnt = 0;
                }
                send_change (PropertyChange (Properties::selected));
                send_static_change (PropertyChange (Properties::selected));