X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Frowitemowner.h;h=98df5ff7221bd69cf68517d9615e7546a2918d9a;hb=bcaa184ed439d801cb1a56b877bb2763246150da;hp=53e2e14fd798ee3943c619e20abbc91546fe100e;hpb=eae6e30af53f6b3e42dc5be212c82870078276b0;p=pulseview.git

diff --git a/pv/view/rowitemowner.h b/pv/view/rowitemowner.h
index 53e2e14f..98df5ff7 100644
--- a/pv/view/rowitemowner.h
+++ b/pv/view/rowitemowner.h
@@ -24,6 +24,8 @@
 #include <memory>
 #include <vector>
 
+#include "rowitemiterator.h"
+
 namespace pv {
 
 class SigSession;
@@ -35,6 +37,11 @@ class View;
 
 class RowItemOwner
 {
+public:
+	typedef std::vector< std::shared_ptr<RowItem> > item_list;
+	typedef RowItemIterator<RowItemOwner, RowItem> iterator;
+	typedef RowItemIterator<const RowItemOwner, RowItem> const_iterator;
+
 public:
 	/**
 	 * Returns the session of the onwer.
@@ -61,9 +68,55 @@ public:
 	/**
 	 * Returns a list of row items owned by this object.
 	 */
-	virtual std::vector< std::shared_ptr<RowItem> > child_items() const = 0;
+	virtual item_list& child_items();
+
+	/**
+	 * Returns a list of row items owned by this object.
+	 */
+	virtual const item_list& child_items() const;
+
+	/**
+	 * Clears the list of child items.
+	 */
+	void clear_child_items();
+
+	/**
+	 * Adds a child item to this object.
+	 */
+	void add_child_item(std::shared_ptr<RowItem> item);
+
+	/**
+	 * Removes a child item from this object.
+	 */
+	void remove_child_item(std::shared_ptr<RowItem> item);
+
+	/**
+	 * Returns a depth-first iterator at the beginning of the child RowItem
+	 * tree.
+	 */
+	iterator begin();
+
+	/**
+	 * Returns a depth-first iterator at the end of the child RowItem tree.
+	 */
+	iterator end();
+
+	/**
+	 * Returns a constant depth-first iterator at the beginning of the
+	 * child RowItem tree.
+	 */
+	const_iterator begin() const;
+
+	/**
+	 * Returns a constant depth-first iterator at the end of the child
+	 * RowItem tree.
+	 */
+	const_iterator end() const;
 
 	virtual void update_viewport() = 0;
+
+private:
+	item_list _items;
 };
 
 } // view