X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Frowitemowner.cpp;h=49e6e1a59afca5b796252f44c26e93b90450b2c1;hp=ba2e1f4838ab44874b831b7ad06d9b79c12dd70c;hb=6046c19df08472d69aa06216136ea7fafaf25492;hpb=873cbed09a23679f39e955478d6c70429104ce40

diff --git a/pv/view/rowitemowner.cpp b/pv/view/rowitemowner.cpp
index ba2e1f48..49e6e1a5 100644
--- a/pv/view/rowitemowner.cpp
+++ b/pv/view/rowitemowner.cpp
@@ -22,7 +22,9 @@
 
 #include "rowitem.hpp"
 #include "rowitemowner.hpp"
+#include "trace.hpp"
 
+using std::dynamic_pointer_cast;
 using std::max;
 using std::make_pair;
 using std::min;
@@ -101,6 +103,21 @@ set< RowItemOwner* > RowItemOwner::list_row_item_owners()
 	return owners;
 }
 
+template<class T>
+set< shared_ptr<T> > RowItemOwner::list_by_type()
+{
+	set< shared_ptr<T> > items;
+	for (const auto &r : *this) {
+		shared_ptr<T> p = dynamic_pointer_cast<T>(r);
+		if (p)
+			items.insert(p);
+	}
+
+	return items;
+}
+
+template set< shared_ptr<Trace> > RowItemOwner::list_by_type();
+
 pair<int, int> RowItemOwner::v_extents() const
 {
 	pair<int, int> extents(INT_MAX, INT_MIN);