X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Frowitemowner.cpp;h=03f0e68d3ae52e5a0451f80c66683052b470e460;hb=be9e7b4bb29b6594ec2b64442748ab135b684bf8;hp=d6150f89a90e5db497bf6f2eae4e5a09e7b69e80;hpb=68b21a71797051fb48ed272bc2a6b4893bdbf517;p=pulseview.git

diff --git a/pv/view/rowitemowner.cpp b/pv/view/rowitemowner.cpp
index d6150f8..03f0e68 100644
--- a/pv/view/rowitemowner.cpp
+++ b/pv/view/rowitemowner.cpp
@@ -23,12 +23,21 @@
 #include "rowitem.h"
 #include "rowitemowner.h"
 
+using std::max;
+using std::make_pair;
+using std::min;
+using std::pair;
 using std::shared_ptr;
 using std::vector;
 
 namespace pv {
 namespace view {
 
+vector< shared_ptr<RowItem> >& RowItemOwner::child_items()
+{
+	return _items;
+}
+
 const vector< shared_ptr<RowItem> >& RowItemOwner::child_items() const
 {
 	return _items;
@@ -59,5 +68,44 @@ void RowItemOwner::remove_child_item(std::shared_ptr<RowItem> item)
 	_items.erase(iter);
 }
 
+RowItemOwner::iterator RowItemOwner::begin()
+{
+	return iterator(this, _items.begin());
+}
+
+RowItemOwner::iterator RowItemOwner::end()
+{
+	return iterator(this);
+}
+
+RowItemOwner::const_iterator RowItemOwner::begin() const
+{
+	return const_iterator(this, _items.cbegin());
+}
+
+RowItemOwner::const_iterator RowItemOwner::end() const
+{
+	return const_iterator(this);
+}
+
+pair<int, int> RowItemOwner::v_extents() const
+{
+	pair<int, int> extents(0, 0);
+	for (const shared_ptr<RowItem> r : child_items()) {
+		assert(r);
+		if (!r->enabled())
+			continue;
+
+		const int child_offset = r->layout_v_offset();
+		const pair<int, int> child_extents = r->v_extents();
+		extents.first = min(child_extents.first + child_offset,
+			extents.first);
+		extents.second = max(child_extents.second + child_offset,
+			extents.second);
+	}
+
+	return extents;
+}
+
 } // view
 } // pv