add a static function to access processor selection from a Lua script

  local ps = ArdourUI.processor_selection()
  for p in ps:iter() do print (p:name ()) end

1 files changed, 13 insertions, 0 deletions

diff --git a/gtk2_ardour/luainstance.cc b/gtk2_ardour/luainstance.cc
index c813eeea63..0f02f943ea 100644
--- a/gtk2_ardour/luainstance.cc
+++ b/gtk2_ardour/luainstance.cc
@@ -37,6 +37,7 @@
 #include "luainstance.h"
 #include "luasignal.h"
 #include "marker.h"
+#include "processor_box.h"
 #include "time_axis_view.h"
 #include "selection.h"
 #include "script_selector.h"
@@ -349,6 +350,16 @@ const char *luasignalstr[] = {
 }; // namespace
 
 
+/** special cases for Ardour's Mixer UI */
+namespace LuaMixer {
+
+	ProcessorBox::ProcSelection
+	processor_selection (lua_State* L) {
+		return ProcessorBox::current_processor_selection ();
+	}
+
+};
+
 ////////////////////////////////////////////////////////////////////////////////
 
 #define xstr(s) stringify(s)
@@ -545,6 +556,8 @@ LuaInstance::register_classes (lua_State* L)
 
 		.addFunction ("http_get", (std::string (*)(const std::string&))&ArdourCurl::http_get)
 
+		.addFunction ("processor_selection", &LuaMixer::processor_selection)
+
 		.beginStdList <ArdourMarker*> ("ArdourMarkerList")
 		.endClass ()