1 files changed, 138 insertions, 0 deletions
diff --git a/gtk2_ardour/extra_bind.h b/gtk2_ardour/extra_bind.h
new file mode 100644
index 0000000000..70e1c3e538
--- /dev/null
+++ b/gtk2_ardour/extra_bind.h
@@ -0,0 +1,138 @@
+/*
+    Copyright (C) 2002 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __ardour_extra_bind_h__
+#define __ardour_extra_bind_h__
+
+#include <sigc++/adaptor.h>
+#include <sigc++/scope.h>
+
+namespace SigC
+{
+
+/****************************************************************
+ ***** Adaptor Bind Slot 0 arguments, 3 hidden arguments
+ ****************************************************************/
+template <class R,
+   class C1, class C2, class C3>
+struct AdaptorBindSlot0_3: public AdaptorSlot_
+  {
+#ifdef SIGC_CXX_PARTIAL_SPEC
+   typedef R RType;
+#else
+   typedef typename Trait<R>::type RType;
+#endif
+   typedef Slot0<R> SlotType;
+   typedef Slot3<R,C1,C2,C3> InSlotType;
+
+   struct Node:public AdaptorNode
+     {
+      C1 c1_;
+      C2 c2_;
+      C3 c3_;	 
+     };
+
+   typedef CallDataObj2<typename SlotType::Func,Node> CallData;
+
+   static RType callback(void* d)
+     {
+      CallData* data=(CallData*)d;
+      Node* node=data->obj;
+      return ((typename InSlotType::Callback&)(node->data_))(
+                                     node->c1_,
+				     node->c2_,
+				     node->c3_);
+     }
+   static SlotData* create(SlotData *s,C1 c1, C2 c2, C3 c3)
+     {
+      SlotData* tmp=(SlotData*)s;
+      Node *node=new Node();
+      copy_callback(tmp,node);
+      node->c1_=c1; 
+      node->c2_=c2; 
+      node->c3_=c3; 
+      CallData &data=reinterpret_cast<CallData&>(tmp->data_);
+      data.callback=&callback;
+      data.obj=node;
+      return tmp;
+     }
+  };
+
+
+#ifndef SIGC_CXX_VOID_RETURN
+#ifdef SIGC_CXX_PARTIAL_SPEC
+template <
+   class C1,C2,C3>
+struct AdaptorBindSlot0_3
+   <void,
+    C1,C2,C3> : public AdaptorSlot_
+  {
+   typedef void RType;
+   typedef Slot0<void> SlotType;
+   typedef Slot3<void,C1,C2,C3> InSlotType;
+
+   struct Node:public AdaptorNode
+     {
+      C1 c1_;
+      C2 c2_;
+      C3 c3_;
+     };
+
+   typedef CallDataObj2<typename SlotType::Func,Node> CallData;
+
+   static RType callback(void* d)
+     {
+      CallData* data=(CallData*)d;
+      Node* node=data->obj;
+       ((typename InSlotType::Callback&)(node->data_))(
+                                     node->c1_,
+                                     node->c2_,
+                                     node->c3);
+     }
+   static SlotData* create(SlotData *s,C1 c1, C2 c2, C3 c3)
+     {
+      SlotData* tmp=(SlotData*)s;
+      Node *node=new Node();
+      copy_callback(tmp,node);
+      node->c1_=c1; 
+      node->c2_=c2; 
+      node->c3_=c3; 
+      CallData &data=reinterpret_cast<CallData&>(tmp->data_);
+      data.callback=&callback;
+      data.obj=node;
+      return tmp;
+     }
+  };
+
+#endif
+#endif
+
+template <class C1, class C2, class C3,
+    class R>
+Slot0<R>
+  bind(const Slot3<R,C1,C2,C3> &s,
+       C1 c1, C2 c2, C3 c3)
+  {return AdaptorBindSlot0_3<R,
+           C1,C2,C3>::create(s.data(),c1,c2,c3);
+  }
+
+} /* namespace */
+
+#endif /* __ardour_extra_bind_h__ */