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Import r67258 of the wxWidgets trunk, which I expect will before
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
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88
Externals/wxWidgets3/include/wx/meta/pod.h
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88
Externals/wxWidgets3/include/wx/meta/pod.h
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/meta/pod.h
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// Purpose: Test if a type is POD
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// Author: Vaclav Slavik, Jaakko Salli
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// Created: 2010-06-14
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// RCS-ID: $Id: pod.h 64589 2010-06-14 15:12:37Z JMS $
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_META_POD_H_
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#define _WX_META_POD_H_
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#include "wx/defs.h"
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//
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// TODO: Use TR1 is_pod<> implementation where available. VC9 SP1 has it
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// in tr1 namespace, VC10 has it in std namespace. GCC 4.2 has it in
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// <tr1/type_traits>, while GCC 4.3 and later have it in <type_traits>.
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//
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// This macro declares something called "value" inside a class declaration.
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//
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// It has to be used because VC6 doesn't handle initialization of the static
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// variables in the class declaration itself while BCC5.82 doesn't understand
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// enums (it compiles the template fine but can't use it later)
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#if defined(__VISUALC__) && !wxCHECK_VISUALC_VERSION(7)
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#define wxDEFINE_TEMPLATE_BOOL_VALUE(val) enum { value = val }
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#else
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#define wxDEFINE_TEMPLATE_BOOL_VALUE(val) static const bool value = val
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#endif
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// Helper to decide if an object of type T is POD (Plain Old Data)
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template<typename T>
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struct wxIsPod
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{
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wxDEFINE_TEMPLATE_BOOL_VALUE(false);
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};
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// Macro to add wxIsPod<T> specialization for given type that marks it
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// as Plain Old Data:
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#define WX_DECLARE_TYPE_POD(type) \
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template<> struct wxIsPod<type> \
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{ \
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wxDEFINE_TEMPLATE_BOOL_VALUE(true); \
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};
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WX_DECLARE_TYPE_POD(bool)
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WX_DECLARE_TYPE_POD(unsigned char)
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WX_DECLARE_TYPE_POD(signed char)
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WX_DECLARE_TYPE_POD(unsigned int)
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WX_DECLARE_TYPE_POD(signed int)
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WX_DECLARE_TYPE_POD(unsigned short int)
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WX_DECLARE_TYPE_POD(signed short int)
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WX_DECLARE_TYPE_POD(signed long int)
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WX_DECLARE_TYPE_POD(unsigned long int)
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WX_DECLARE_TYPE_POD(float)
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WX_DECLARE_TYPE_POD(double)
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WX_DECLARE_TYPE_POD(long double)
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#if wxWCHAR_T_IS_REAL_TYPE
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WX_DECLARE_TYPE_POD(wchar_t)
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#endif
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#ifdef wxLongLong_t
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WX_DECLARE_TYPE_POD(wxLongLong_t)
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WX_DECLARE_TYPE_POD(wxULongLong_t)
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#endif
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// Visual C++ 6.0 can't compile partial template specializations and as this is
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// only an optimization, we can live with pointers not being recognized as
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// POD types under VC6
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#if !defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7)
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// pointers are Plain Old Data:
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template<typename T>
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struct wxIsPod<T*>
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{
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static const bool value = true;
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};
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template<typename T>
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struct wxIsPod<const T*>
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{
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static const bool value = true;
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};
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#endif // !VC++ < 7
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#endif // _WX_META_POD_H_
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