[beast] BSE: Added current_musical_tuning accessor for C++ plugins.

[Tim Janik <timj src gnome org>]

commit 670c70ec711977714e7fc671907f830fc6bd4154
Author: Stefan Westerfeld <stefan space twc de>
Date:   Mon Jun 14 10:59:49 2010 +0200

    BSE: Added current_musical_tuning accessor for C++ plugins.
    
    Introduced Effect::current_musical_tuning(), which can be used to make C++
    plugins tuning aware.

 bse/bsecxxmodule.cc |    7 +++++++
 bse/bsecxxmodule.hh |    2 ++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/bse/bsecxxmodule.cc b/bse/bsecxxmodule.cc
index 89bd304..450d893 100644
--- a/bse/bsecxxmodule.cc
+++ b/bse/bsecxxmodule.cc
@@ -429,6 +429,13 @@ Effect::max_block_size() const
   return BSE_STREAM_MAX_VALUES;
 }
 
+BseMusicalTuningType
+Effect::current_musical_tuning() const
+{
+  BseSource *source = cast (const_cast <Effect*> (this));
+  return bse_item_current_musical_tuning (BSE_ITEM (source));
+}
+
 void
 Effect::class_init (CxxBaseClass *klass)
 {
diff --git a/bse/bsecxxmodule.hh b/bse/bsecxxmodule.hh
index 8795837..c144024 100644
--- a/bse/bsecxxmodule.hh
+++ b/bse/bsecxxmodule.hh
@@ -159,6 +159,8 @@ protected:
                                                         BseTrans        *trans);
   unsigned int              block_size                 () const;
   unsigned int              max_block_size             () const;
+public: /* FIXME: make this protected as soon as the modules have their own current_musical_tuning() accessor */
+  BseMusicalTuningType      current_musical_tuning     () const;
 };
 /* implement Bse::Effect and Bse::SynthesisModule methods */
 #define BSE_EFFECT_INTEGRATE_MODULE(ObjectType,ModuleType,ParamType)            \