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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@808 a592a061-630c-0410-9148-cb99ea01b6c8
134 lines
4.0 KiB
Plaintext
134 lines
4.0 KiB
Plaintext
dnl
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dnl Convert Slot Templates
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dnl
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dnl Copyright (C) 1998-1999 Karl Nelson <kenelson@ece.ucdavis.edu>
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dnl
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dnl This library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Library General Public
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dnl License as published by the Free Software Foundation; either
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dnl version 2 of the License, or (at your option) any later version.
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dnl
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dnl This library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Library General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Library General Public
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dnl License along with this library; if not, write to the Free
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dnl Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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dnl
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// -*- c++ -*-
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dnl Ignore the next line
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/* This is a generated file, do not edit. Generated from __file__ */
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include(template.macros.m4)
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#ifndef __header__
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#define __header__
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/*
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SigC::convert
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-------------
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convert() alters a Slot by assigning a conversion function
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which can completely alter the parameter types of a slot.
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Only convert functions for changing with same number of
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arguments is compiled by default. See examples/custom_convert.h.m4
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for details on how to build non standard ones.
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Sample usage:
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int my_string_to_char(Callback1<int,const char*> *d,const string &s)
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int f(const char*);
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string s=hello;
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Slot1<int,const string &> s2=convert(slot(f),my_string_to_char);
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s2(s);
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*/
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#include <sigc++/adaptor.h>
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#ifdef SIGC_CXX_NAMESPACES
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namespace SigC
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{
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#endif
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dnl
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dnl ADAPTOR_CONVERT_SLOT([P1..PN],[C0..CN])
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dnl
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define([ADAPTOR_CONVERT_SLOT],[dnl
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/****************************************************************
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***** Adaptor Convert Slot NUM($1)
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****************************************************************/
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ADAPTOR_CONVERT_SLOT_IMPL(R1,[$1],[$2])
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#ifndef SIGC_CXX_VOID_RETURN
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#ifdef SIGC_CXX_PARTIAL_SPEC
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ADAPTOR_CONVERT_SLOT_IMPL(void,[$1],[$2])
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#endif
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#endif
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template <LIST(class R1,1,ARG_CLASS($1),[$1],[
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class R2],1,ARG_CLASS($2),[$2])>
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__SLOT__(R1,[$1])
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convert(const __SLOT__(R2,[$2]) &s,
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[R1 (*func)](LIST([Callback]NUM($2)PROT(<LIST(R2,1,ARG_TYPE($2),[$2])>)*,1,ARG_TYPE($1),[$1])))
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{return [AdaptorConvertSlot]NUM($1)[_]NUM($2)<LIST(R1,1,ARG_TYPE($1),[$1],[
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R2],1,ARG_TYPE($2),[$2])>::create(s.obj(),func);
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}
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])dnl
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dnl
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dnl ADAPTOR_CONVERT_SLOT_IMPL(R,[P1..PN],[C0..CN])
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dnl
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define([ADAPTOR_CONVERT_SLOT_IMPL],[dnl
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LINE(]__line__[)dnl
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ifelse($1,void,[dnl
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template <LIST(ARG_CLASS($2),[$2],[
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class R2],1,ARG_CLASS($3),[$3])>
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struct [AdaptorConvertSlot]NUM($2)[_]NUM($3)
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<LIST(void,1,ARG_TYPE($2),[$2],[
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R2],1,ARG_TYPE($3),[$3])>
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: public AdaptorSlot_
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],[dnl
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template <LIST(class $1,1,ARG_CLASS($2),[$2],[
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class R2],1,ARG_CLASS($3),[$3])>
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struct [AdaptorConvertSlot]NUM($2)[_]NUM($3): public AdaptorSlot_
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])dnl
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{TYPEDEF_RTYPE($1,RType)
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typedef __SLOT__($1,[$2]) SlotType;
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typedef __SLOT__(R2,[$3]) InSlotType;
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typedef typename InSlotType::Callback Callback;
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typedef RType (*Func) (Callback*,ARG_TYPE($2));
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typedef $1 (*InFunc)(Callback*,ARG_TYPE($2));
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typedef CallDataObj3<typename SlotType::Func,Callback,Func> CallData;
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static RType callback(LIST(void* d,1,ARG_BOTH($2),[$2]))
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{
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CallData* data=(CallData*)d;
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ifelse($1,void,,return) (data->func)(data->obj,ARG_NAME($2));
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}
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static SlotData* create(SlotData *s,InFunc func)
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{
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SlotData* tmp=(SlotData*)s;
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AdaptorNode *node=new AdaptorNode();
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copy_callback(tmp,node);
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CallData &data=reinterpret_cast<CallData&>(tmp->data_);
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data.callback=&callback;
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data.func=(Func)func;
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data.obj=(Callback*)&(node->data_);
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return tmp;
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}
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};
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])dnl
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ADAPTOR_CONVERT_SLOT(ARGS(P,1),ARGS(Q,1))
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ADAPTOR_CONVERT_SLOT(ARGS(P,2),ARGS(Q,2))
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#ifdef SIGC_CXX_NAMESPACES
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} // namespace
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#endif
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#endif
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