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/*
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__ */
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