GUI2/Iterator: added some alias templates and a get() function

(cherry-picked from commit 1eaa51b)
wesnoth · Oct 7, 2018 · 4dd931b · 4dd931b
1 parent 4b6d883
commit 4dd931b
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/gui/auxiliary/iterator/iterator.hpp b/src/gui/auxiliary/iterator/iterator.hpp
@@ -101,8 +101,22 @@ class iterator : private order
 	{
 		return &(operator*());
 	}
+
+	/** See @ref operator*. */
+	widget* get()
+	{
+		return operator->();
+	}
 };
 
+/* Helper aliases templates. */
+
+template<bool visit_self, bool visit_internal, bool visit_child>
+using top_down_iterator = iterator<policy::order::top_down<visit_self, visit_internal, visit_child>>;
+
+template<bool visit_self, bool visit_internal, bool visit_child>
+using bottom_up_iterator = iterator<policy::order::bottom_up<visit_self, visit_internal, visit_child>>;
+
 } // namespace iteration
 
 } // namespace gui2