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[wxWidgets.git] / include / wx / platform.h

/**
* Name:        wx/platform.h
* Purpose:     define the OS and compiler identification macros
* Author:      Vadim Zeitlin
* Modified by:
* Created:     29.10.01 (extracted from wx/defs.h)
* RCS-ID:      $Id$
* Copyright:   (c) 1997-2001 wxWindows team
* Licence:     wxWindows licence
*/

/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */

#ifndef _WX_PLATFORM_H_
#define _WX_PLATFORM_H_


/*
    Codewarrior doesn't define any Windows symbols until some headers
    are included
*/
#if __MWERKS__
#    include <stddef.h>
#endif

/*
	WXMAC variants
	__WXMAC_CLASSIC__ means ppc non-carbon builds, __WXMAC_CARBON__ means
	carbon API available (mach or cfm builds) , __WXMAC_OSX__ means mach-o
	builds, running under 10.2 + only
*/
#ifdef __WXMAC__
	#if defined(__MACH__)
		#define __WXMAC_OSX__ 1
		#define __WXMAC_CARBON__ 1
		#define __WXMAC_CLASSIC__ 0
	#else
		#define __WXMAC_OSX__ 0
		#if TARGET_CARBON
			#define __WXMAC_CARBON__ 1
			#define __WXMAC_CLASSIC__ 0
		#else
			#define __WXMAC_CARBON__ 0
			#define __WXMAC_CLASSIC__ 1
		#endif
	#endif
#endif

/*
   first define Windows symbols if they're not defined on the command line: we
   can autodetect everything we need if _WIN32 is defined
 */
#if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
    && !defined(__WXX11__)
    /* for Cygwin, default to wxMSW unless otherwise specified */
#    ifndef __WXMSW__
#        define __WXMSW__
#    endif

#    ifndef _WIN32
#        define _WIN32
#    endif

#    ifndef WIN32
#        define WIN32
#    endif
#endif

#if defined(_WIN64)
#    ifndef _WIN32
        /*
            a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
            Windows or to test for !__WIN16__, so we must define _WIN32 for
            Win64 as well to ensure that the existing code continues to work.
         */
#       define _WIN32
#   endif /* !_WIN32 */

#   ifndef __WIN64__
#       define __WIN64__
#   endif /* !__WIN64__ */
#endif /* _WIN64 */

#if defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)
#    ifndef __WXMSW__
#        define __WXMSW__
#    endif

#    ifndef __WIN32__
#        define __WIN32__
#    endif

    /*
       see MSDN for the description of possible WINVER values, this one is a
       good default and, anyhow, we check for most of the features we use
       during run-time.
     */
#    ifndef WINVER
#        define WINVER  0x0400
#    endif

    /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
#    if !defined(__WIN95__) && (WINVER >= 0x0400)
#        define __WIN95__
#    endif
#endif /* Win32 */

#if defined(__WXMSW__) || defined(__WIN32__)
#    if !defined(__WINDOWS__)
#        define __WINDOWS__
#    endif
#endif

#ifdef __WINE__
#    ifndef __WIN95__
#        define __WIN95__
#    endif
#endif /* WINE */

/* detect SmartPhone */
#if defined( WIN32_PLATFORM_WFSP )
#    ifndef __SMARTPHONE__
#        define __SMARTPHONE__
#    endif
#endif

/*
   Include wx/setup.h for the Unix platform defines generated by configure and
   the library compilation options
 */
#include "wx/setup.h"

/* check the consistency of the settings in setup.h */
#include "wx/chkconf.h"

/*
   adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
   and is used by wxWindows, _UNICODE and/or UNICODE may be defined or used by
   the system headers so bring these settings in sync
 */

/* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
#if defined(_UNICODE) || defined(UNICODE)
#   undef wxUSE_UNICODE
#   define wxUSE_UNICODE 1
#else /* !UNICODE */
#   ifndef wxUSE_UNICODE
#       define wxUSE_UNICODE 0
#   endif
#endif /* UNICODE/!UNICODE */

/* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
#if wxUSE_UNICODE
#   ifndef _UNICODE
#       define _UNICODE
#   endif
#   ifndef UNICODE
#       define UNICODE
#   endif
#endif /* wxUSE_UNICODE */

#if defined( __MWERKS__ ) && !defined(__INTEL__)
// otherwise MSL headers bring in WIN32 dependant APIs
#undef UNICODE
#endif
/*
   some compilers don't support iostream.h any longer, while some of theme
   are not updated with <iostream> yet, so override the users setting here
   in such case.
 */
#if defined(_MSC_VER) && (_MSC_VER >= 1310)
#    undef wxUSE_IOSTREAMH
#    define wxUSE_IOSTREAMH 0
#elif defined(__DMC__) || defined(__WATCOMC__)
#    undef wxUSE_IOSTREAMH
#    define wxUSE_IOSTREAMH 1
#endif /* compilers not supporting iostream.h */

/*
   old C++ headers (like <iostream.h>) declare classes in the global namespace
   while the new, standard ones (like <iostream>) do it in std:: namespace

   using this macro allows constuctions like "wxSTD iostream" to work in
   either case
 */
#if !wxUSE_IOSTREAMH
#    define wxSTD std::
#else
#    define wxSTD
#endif

/*
   OS: first of all, test for MS-DOS platform. We must do this before testing
       for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 */
#if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
#    ifndef __DOS__
#        define __DOS__
#    endif
    /* size_t is the same as unsigned int for Watcom 11 compiler, */
    /* so define it if it hadn't been done by configure yet */
#    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
#        ifdef __WATCOMC__
#            define wxSIZE_T_IS_UINT
#        endif
#        ifdef __DJGPP__
#            define wxSIZE_T_IS_ULONG
#        endif
#    endif

/*
   OS: then test for generic Unix defines, then for particular flavours and
       finally for Unix-like systems
 */
#elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
      defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
      defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
      defined(__EMX__) || defined(__VMS) || defined(__BEOS__)

#    define __UNIX_LIKE__

    /* Helps SGI compilation, apparently */
#    ifdef __SGI__
#        ifdef __GNUG__
#            define __need_wchar_t
#        else /* !gcc */
            /*
               Note I use the term __SGI_CC__ for both cc and CC, its not a good
               idea to mix gcc and cc/CC, the name mangling is different
             */
#            define __SGI_CC__
#        endif /* gcc/!gcc */
#    endif  /* SGI */

#    if defined(sun) || defined(__SUN__)
#        ifndef __GNUG__
#            ifndef __SUNCC__
#                define __SUNCC__
#            endif /* Sun CC */
#        endif
#    endif /* Sun */

#    ifdef __EMX__
#        define OS2EMX_PLAIN_CHAR
#    endif

    /* define __HPUX__ for HP-UX where standard macro is __hpux */
#    if defined(__hpux) && !defined(__HPUX__)
#        define __HPUX__
#    endif /* HP-UX */

#    if defined(__CYGWIN__) || defined(__WINE__)
#        if !defined(wxSIZE_T_IS_UINT)
#            define wxSIZE_T_IS_UINT
#        endif
#    endif
#elif defined(applec) || \
      defined(THINK_C) || \
      (defined(__MWERKS__) && !defined(__INTEL__))
      /* MacOS */
#    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
#        define wxSIZE_T_IS_ULONG
#    endif
#elif defined(__WXMAC__) && defined(__APPLE__)
    /* Mac OS X */
#    define __UNIX_LIKE__

    /*
      These defines are needed when compiling using Project Builder
      with a non generated setup0.h
    */
#    ifndef __UNIX__
#        define __UNIX__ 1
#    endif
#    ifndef __BSD__
#        define __BSD__ 1
#    endif
#    ifndef __DARWIN__
#        define __DARWIN__ 1
#    endif
#    ifndef __POWERPC__
#        define __POWERPC__ 1
#    endif
#    ifndef TARGET_CARBON
#        define TARGET_CARBON 1
#    endif

#    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
#        define wxSIZE_T_IS_ULONG
#    endif
    /*
       Some code has been added to workaround defects(?) in the
       bundled gcc compiler. These corrections are identified by
       __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
     */
#elif defined(__OS2__)
#    if defined(__IBMCPP__)
#        define __VISAGEAVER__ __IBMCPP__
#    endif
#    ifndef __WXOS2__
#        define __WXOS2__
#    endif
#    ifndef __WXPM__
#        define __WXPM__
#    endif

    /* Place other OS/2 compiler environment defines here */
#    if defined(__VISAGECPP__)
        /* VisualAge is the only thing that understands _Optlink */
#        define LINKAGEMODE _Optlink
#    endif
#    define wxSIZE_T_IS_UINT

#else   /* Windows */
#    ifndef __WINDOWS__
#        define __WINDOWS__
#    endif  /* Windows */

    /* to be changed for Win64! */
#    ifndef __WIN32__
#        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
#    endif

    /*
       define another standard symbol for Microsoft Visual C++: the standard
       one (_MSC_VER) is also defined by Metrowerks compiler
     */
#    if defined(_MSC_VER) && !defined(__MWERKS__)
#        define __VISUALC__ _MSC_VER
#    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
#        define __BORLANDC__
#      elif defined(__WATCOMC__)
#    elif defined(__SC__)
#        define __SYMANTECC__
#    endif  /* compiler */

    /* size_t is the same as unsigned int for all Windows compilers we know, */
    /* so define it if it hadn't been done by configure yet */
#    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
#        define wxSIZE_T_IS_UINT
#    endif
#endif  /* OS */

/*
   if we're on a Unix system but didn't use configure (so that setup.h didn't
   define __UNIX__), do define __UNIX__ now
 */
#if !defined(__UNIX__) && defined(__UNIX_LIKE__)
#    define __UNIX__
#endif /* Unix */

#if defined(__HPUX__) && !defined(__WXGTK__)
#    ifndef __WXMOTIF__
#        define __WXMOTIF__
#    endif /* __WXMOTIF__ */
#endif

#if defined(__WXMOTIF__) || defined(__WXX11__)
#    define __X__
#endif

#ifdef __SC__
#    ifdef __DMC__
#         define __DIGITALMARS__
#    else
#         define __SYMANTEC__
#    endif
#endif

/* Force linking against required libraries under Windows CE: */
#ifdef __WXWINCE__
#   include "wx/msw/wince/libraries.h"
#endif

/*
   This macro can be used to test the gcc version and can be used like this:

#    if wxCHECK_GCC_VERSION(3, 1)
        ... we have gcc 3.1 or later ...
#    else
        ... no gcc at all or gcc < 3.1 ...
#    endif
*/
#define wxCHECK_GCC_VERSION( major, minor ) \
    ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
    && ( ( __GNUC__ > (major) ) \
        || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )

/*
   This macro can be used to check that the version of mingw32 compiler is
   at least maj.min
 */
#if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
    defined( __CYGWIN__ ) || \
      (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
    !defined(__DOS__)
#    include "wx/msw/gccpriv.h"
#else
#    undef wxCHECK_W32API_VERSION
#    define wxCHECK_W32API_VERSION(maj, min) (0)
#endif

#if defined (__WXMSW__)
#    if !defined(__WATCOMC__)
#        define wxHAVE_RAW_BITMAP
#    endif
#endif

#if defined (__WXMAC__)
#    ifndef WORDS_BIGENDIAN
#        define WORDS_BIGENDIAN 1
#    endif
#endif

/* Choose which method we will use for updating menus
 * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 */
#ifndef wxUSE_IDLEMENUUPDATES
#    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
#        define wxUSE_IDLEMENUUPDATES 0
#    else
#        define wxUSE_IDLEMENUUPDATES 1
#    endif
#endif

/*
 * Define symbols that are not yet in
 * configure or possibly some setup.h files.
 * They will need to be added.
 */

#ifndef wxUSE_FILECONFIG
#    if wxUSE_CONFIG
#        define wxUSE_FILECONFIG 1
#    else
#        define wxUSE_FILECONFIG 0
#    endif
#endif

#ifndef wxUSE_HOTKEY
#    define wxUSE_HOTKEY 0
#endif

#if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
#    define wxUSE_WXDIB 1
#endif

#endif /* _WX_PLATFORM_H_ */