[beast: 2/3] BEAST: extract Bse::SongH properties for UI generation

[Tim Janik <timj src gnome org>]

commit c4aea332a6a2301ee9550c122091c90b57bb72fa
Author: Tim Janik <timj gnu org>
Date:   Sun Aug 16 14:12:56 2015 +0200

    BEAST: extract Bse::SongH properties for UI generation

 beast-gtk/bstparamview.cc |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/beast-gtk/bstparamview.cc b/beast-gtk/bstparamview.cc
index 4c266c8..aecbce2 100644
--- a/beast-gtk/bstparamview.cc
+++ b/beast-gtk/bstparamview.cc
@@ -197,8 +197,16 @@ bst_param_view_rebuild (BstParamView *self)
     return;
 
   // extract IDL properties
+  Bse::SongH song = Bse::SongH::down_cast (bse_server.from_proxy (self->item));
   std::vector<GParamSpec*> cxxpspecs;
   std::vector<Rapicorn::Aida::Parameter> cxxparams;
+  if (song)
+    {
+      Bse::SongH song = Bse::SongH::down_cast (bse_server.from_proxy (self->item));
+      cxxpspecs = Bse::sfi_pspecs_fields_from_accessor_visitable (song);
+      Rapicorn::Aida::Parameter::ListVisitor av (cxxparams);
+      song.__accept_accessor__ (av);
+    }
 
   // build IDL property params
   for (i = 0; i < cxxpspecs.size(); i++)