(Source List) Add forall_regions function, used by Region and Source lists.

diff --git a/libs/ardour/ardour/region_factory.h b/libs/ardour/ardour/region_factory.h
index e0041a1072916c416d4330ee3050ceb70f4c840f..e7c56e0b507279193846858a352fcc931fdf0758 100644 (file)
--- a/libs/ardour/ardour/region_factory.h
+++ b/libs/ardour/ardour/region_factory.h
@@ -95,6 +95,15 @@ public:
        static void delete_all_regions ();
        static const RegionMap& regions() { return region_map; }
        static uint32_t nregions ();
+       
+       static void foreach_region (boost::function<void( boost::shared_ptr<Region> )> f) {
+               Glib::Threads::Mutex::Lock ls (region_map_lock);
+               for (RegionMap::const_iterator i = region_map.begin(); i != region_map.end(); ++i) {
+                       f ( (*i).second );
+               }
+       }
+       
+
 
        static int region_name (std::string &, std::string, bool new_level = false);
        static std::string new_region_name (std::string);