View: Keep a list of owned traces in RowItemOwner

[pulseview.git] / pv / view / rowitemowner.cpp

diff --git a/pv/view/rowitemowner.cpp b/pv/view/rowitemowner.cpp
index 3ef2782eb3ec62db7c2c1b46bd1a33b5e41edb38..d6150f89a90e5db497bf6f2eae4e5a09e7b69e80 100644 (file)
--- a/pv/view/rowitemowner.cpp
+++ b/pv/view/rowitemowner.cpp
@@ -18,4 +18,46 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <cassert>
+
+#include "rowitem.h"
 #include "rowitemowner.h"
+
+using std::shared_ptr;
+using std::vector;
+
+namespace pv {
+namespace view {
+
+const vector< shared_ptr<RowItem> >& RowItemOwner::child_items() const
+{
+       return _items;
+}
+
+void RowItemOwner::clear_child_items()
+{
+       for (auto &i : _items) {
+               assert(i->owner() == this);
+               i->set_owner(nullptr);
+       }
+       _items.clear();
+}
+
+void RowItemOwner::add_child_item(std::shared_ptr<RowItem> item)
+{
+       assert(!item->owner());
+       item->set_owner(this);
+       _items.push_back(item);
+}
+
+void RowItemOwner::remove_child_item(std::shared_ptr<RowItem> item)
+{
+       assert(item->owner() == this);
+       item->set_owner(nullptr);
+       auto iter = std::find(_items.begin(), _items.end(), item);
+       assert(iter != _items.end());
+       _items.erase(iter);
+}
+
+} // view
+} // pv