add preset popup menu

src/node_popup_menu.cpp

@@ -50,3 +50,11 @@ kEventResult NodePopupMenu::handle_event(Event* e)
     }
     return kEventResult::Consumed;
 }
+
+void NodePopupMenu::added(Node* parent)
+{
+    mouse_capture();
+    m_mouse_ignore = false;
+    m_flood_events = true;
+    m_capture_children = false;
+}