2 files changed, 9 insertions, 0 deletions
diff --git a/src/ui/widget/unit-menu.cpp b/src/ui/widget/unit-menu.cpp
index 5c68f7196..362f5d90f 100644
--- a/src/ui/widget/unit-menu.cpp
+++ b/src/ui/widget/unit-menu.cpp
@@ -67,6 +67,14 @@ UnitMenu::resetUnitType(UnitType unit_type)
     return setUnitType(unit_type);
 }
 
+/** Adds a unit, possibly user-defined, to the menu. */
+void
+UnitMenu::addUnit(Unit const& u)
+{
+    _unit_table.addUnit(u, false);
+    append_text(u.abbr);
+}
+
 /** Returns the Unit object corresponding to the current selection
     in the dropdown widget */
 Unit
diff --git a/src/ui/widget/unit-menu.h b/src/ui/widget/unit-menu.h
index efeb10ead..cf42231ba 100644
--- a/src/ui/widget/unit-menu.h
+++ b/src/ui/widget/unit-menu.h
@@ -29,6 +29,7 @@ public:
 
     bool          setUnitType(UnitType unit_type);
     bool          resetUnitType(UnitType unit_type);
+    void          addUnit(Unit const& u);
 
     bool          setUnit(Glib::ustring const &unit);