X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Frowitemowner.cpp;h=49e6e1a59afca5b796252f44c26e93b90450b2c1;hb=6046c19df08472d69aa06216136ea7fafaf25492;hp=625620ed0dbe2d074d82764cd6bbd47f3f8e0fed;hpb=2acdb232d6bb452cfdfaea3ef5218fb4da592329;p=pulseview.git

diff --git a/pv/view/rowitemowner.cpp b/pv/view/rowitemowner.cpp
index 625620e..49e6e1a 100644
--- a/pv/view/rowitemowner.cpp
+++ b/pv/view/rowitemowner.cpp
@@ -22,11 +22,14 @@
 
 #include "rowitem.hpp"
 #include "rowitemowner.hpp"
+#include "trace.hpp"
 
+using std::dynamic_pointer_cast;
 using std::max;
 using std::make_pair;
 using std::min;
 using std::pair;
+using std::set;
 using std::shared_ptr;
 using std::vector;
 
@@ -92,9 +95,33 @@ RowItemOwner::const_iterator RowItemOwner::end() const
 	return const_iterator(this);
 }
 
+set< RowItemOwner* > RowItemOwner::list_row_item_owners()
+{
+	set< RowItemOwner* > owners;
+	for (const auto &r : *this)
+		owners.insert(r->owner());
+	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(0, 0);
+	pair<int, int> extents(INT_MAX, INT_MIN);
+
 	for (const shared_ptr<RowItem> r : child_items()) {
 		assert(r);
 		if (!r->enabled())