+/* TIME AXIS VIEW ... proxy for Stripable/Controllable
+ *
+ * public methods just modify the CoreSelection; PresentationInfo::Changed will
+ * trigger Selection::core_selection_changed() and we will update our own data
+ * structures there.
+ */
+
+void
+Selection::toggle (const TrackViewList& track_list)
+{
+ TrackViewList t = add_grouped_tracks (track_list);
+
+ CoreSelection& selection (editor->session()->selection());
+ PresentationInfo::ChangeSuspender cs;
+
+ for (TrackSelection::const_iterator i = t.begin(); i != t.end(); ++i) {
+ boost::shared_ptr<Stripable> s = (*i)->stripable ();
+ boost::shared_ptr<AutomationControl> c = (*i)->control ();
+ selection.toggle (s, c);
+ }
+}
+
+void
+Selection::toggle (TimeAxisView* track)
+{
+ TrackViewList tr;
+ tr.push_back (track);
+ toggle (tr);
+}
+
+void
+Selection::add (TrackViewList const & track_list)
+{
+ TrackViewList t = add_grouped_tracks (track_list);
+
+ CoreSelection& selection (editor->session()->selection());
+ PresentationInfo::ChangeSuspender cs;
+
+ for (TrackSelection::const_iterator i = t.begin(); i != t.end(); ++i) {
+ boost::shared_ptr<Stripable> s = (*i)->stripable ();
+ boost::shared_ptr<AutomationControl> c = (*i)->control ();
+ selection.add (s, c);
+ }
+}
+
+void
+Selection::add (TimeAxisView* track)
+{
+ TrackViewList tr;
+ tr.push_back (track);
+ add (tr);
+}
+
+void
+Selection::remove (TimeAxisView* track)
+{
+ TrackViewList tvl;
+ tvl.push_back (track);
+ remove (tvl);
+}
+
+void
+Selection::remove (const TrackViewList& t)
+{
+ CoreSelection& selection (editor->session()->selection());
+ PresentationInfo::ChangeSuspender cs;
+
+ for (TrackSelection::const_iterator i = t.begin(); i != t.end(); ++i) {
+ boost::shared_ptr<Stripable> s = (*i)->stripable ();
+ boost::shared_ptr<AutomationControl> c = (*i)->control ();
+ selection.remove (s, c);
+ }
+}
+
+void
+Selection::set (TimeAxisView* track)
+{
+ TrackViewList tvl;
+ tvl.push_back (track);
+ set (tvl);
+}
+
+void
+Selection::set (const TrackViewList& track_list)
+{
+ TrackViewList t = add_grouped_tracks (track_list);
+
+ CoreSelection& selection (editor->session()->selection());
+
+#if 1 // crazy optmization hack
+ /* check is the selection actually changed, ignore NO-OPs
+ *
+ * There are excessive calls from EditorRoutes::selection_changed():
+ * Every click calls selection_changed() even if it doesn't change.
+ * Also re-ordering tracks calls into this due to gtk's odd DnD signal
+ * messaging (row removed, re-added).
+ *
+ * Re-ordering a row results in at least 2 calls to selection_changed()
+ * without actual change. Calling selection.clear_stripables()
+ * and re-adding the same tracks every time in turn emits changed signals.
+ */
+ bool changed = false;
+ CoreSelection::StripableAutomationControls sac;
+ selection.get_stripables (sac);
+ for (TrackSelection::const_iterator i = t.begin(); i != t.end(); ++i) {
+ boost::shared_ptr<Stripable> s = (*i)->stripable ();
+ boost::shared_ptr<AutomationControl> c = (*i)->control ();
+ bool found = false;
+ for (CoreSelection::StripableAutomationControls::iterator j = sac.begin (); j != sac.end (); ++j) {
+ if (j->stripable == s && j->controllable == c) {
+ found = true;
+ sac.erase (j);
+ break;
+ }
+ }
+ if (!found) {
+ changed = true;
+ break;
+ }
+ }
+ if (!changed && sac.size() == 0) {
+ return;
+ }
+#endif
+
+ PresentationInfo::ChangeSuspender cs;
+
+ selection.clear_stripables ();
+
+ for (TrackSelection::const_iterator i = t.begin(); i != t.end(); ++i) {
+ boost::shared_ptr<Stripable> s = (*i)->stripable ();
+ boost::shared_ptr<AutomationControl> c = (*i)->control ();
+ selection.add (s, c);
+ }
+}
+