/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/classic/utils.cpp
// Purpose:     Various utilities
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: utils.cpp 40605 2006-08-13 22:43:30Z VZ $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#include "wx/utils.h"

#ifndef WX_PRECOMP
    #include "wx/intl.h"
    #include "wx/app.h"
    #if wxUSE_GUI
        #include "wx/font.h"
    #endif
#endif

#include "wx/apptrait.h"

#if wxUSE_GUI
    #include "wx/mac/uma.h"
#endif

#include <ctype.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>

#ifdef __DARWIN__
#  include "MoreFilesX.h"
#else
#  include "MoreFiles.h"
#  include "MoreFilesExtras.h"
#endif

#ifndef __DARWIN__
#include <Threads.h>
#include <Sound.h>
#endif

#include <ATSUnicode.h>
#include <TextCommon.h>
#include <TextEncodingConverter.h>

#include  "wx/mac/private.h"  // includes mac headers

#if defined(__MWERKS__) && wxUSE_UNICODE
    #include <wtime.h>
#endif

#if wxUSE_BASE

// our OS version is the same in non GUI and GUI cases
wxOperatingSystemId wxGetOsVersion(int *majorVsn, int *minorVsn)
{
    long theSystem;
    Gestalt(gestaltSystemVersion, &theSystem);

    if ( majorVsn != NULL )
        *majorVsn = (theSystem >> 8);

    if ( minorVsn != NULL )
        *minorVsn = (theSystem & 0xFF);


#if defined( __DARWIN__ )
    return wxOS_MAC_OSX_DARWIN;
#else
    return wxOS_MAC_OS;
#endif
}

#ifndef __DARWIN__
// defined in unix/utilsunx.cpp for Mac OS X

// get full hostname (with domain name if possible)
bool wxGetFullHostName(wxChar *buf, int maxSize)
{
    return wxGetHostName(buf, maxSize);
}

// Get hostname only (without domain name)
bool wxGetHostName(wxChar *buf, int maxSize)
{
    // Gets Chooser name of user by examining a System resource.

    const short kComputerNameID = -16413;

    short oldResFile = CurResFile() ;
    UseResFile(0);
    StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
    UseResFile(oldResFile);

    if (chooserName && *chooserName)
    {
        HLock( (Handle) chooserName ) ;
        wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
        HUnlock( (Handle) chooserName ) ;
        ReleaseResource( (Handle) chooserName ) ;
        wxStrncpy( buf , name , maxSize - 1 ) ;
    }
    else
        buf[0] = 0 ;

    return true;
}

// Get user ID e.g. jacs
bool wxGetUserId(wxChar *buf, int maxSize)
{
  return wxGetUserName( buf , maxSize ) ;
}

const wxChar* wxGetHomeDir(wxString *pstr)
{
    *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
    return pstr->c_str() ;
}

// Get user name e.g. Stefan Csomor
bool wxGetUserName(wxChar *buf, int maxSize)
{
    // Gets Chooser name of user by examining a System resource.

    const short kChooserNameID = -16096;

    short oldResFile = CurResFile() ;
    UseResFile(0);
    StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
    UseResFile(oldResFile);

    if (chooserName && *chooserName)
    {
        HLock( (Handle) chooserName ) ;
        wxString name = wxMacMakeStringFromPascal( *chooserName ) ;
        HUnlock( (Handle) chooserName ) ;
        ReleaseResource( (Handle) chooserName ) ;
        wxStrncpy( buf , name , maxSize - 1 ) ;
    }
    else
        buf[0] = 0 ;

    return true;
}

int wxKill(long pid, wxSignal sig , wxKillError *rc, int flags)
{
    // TODO
    return 0;
}

WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
{
    // TODO : under classic there is no environement support, under X yes
    return false ;
}

// set the env var name to the given value, return true on success
WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
{
    // TODO : under classic there is no environement support, under X yes
    return false ;
}

//
// Execute a program in an Interactive Shell
//
bool wxShell(const wxString& command)
{
    // TODO
    return false;
}

// Shutdown or reboot the PC
bool wxShutdown(wxShutdownFlags wFlags)
{
    // TODO
    return false;
}

// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
wxMemorySize wxGetFreeMemory()
{
    return (wxMemorySize)FreeMem() ;
}

void wxUsleep(unsigned long milliseconds)
{
    clock_t start = clock() ;
    do
    {
        YieldToAnyThread() ;
    } while( clock() - start < milliseconds /  1000.0 * CLOCKS_PER_SEC ) ;
}

void wxSleep(int nSecs)
{
    wxUsleep(1000*nSecs);
}

// Consume all events until no more left
void wxFlushEvents()
{
}

#endif // !__DARWIN__

// Emit a beeeeeep
void wxBell()
{
    SysBeep(30);
}

#endif // wxUSE_BASE

#if wxUSE_GUI

wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const
{
    // We suppose that toolkit version is the same as OS version under Mac
    wxGetOsVersion(verMaj, verMin);

    return wxPORT_MAC;
}

// Reading and writing resources (eg WIN.INI, .Xdefaults)
#if wxUSE_RESOURCES
bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
{
    // TODO
    return false;
}

bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
{
    wxString buf;
    buf.Printf(wxT("%.4f"), value);

    return wxWriteResource(section, entry, buf, file);
}

bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
{
    wxString buf;
    buf.Printf(wxT("%ld"), value);

    return wxWriteResource(section, entry, buf, file);
}

bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
{
    wxString buf;
    buf.Printf(wxT("%d"), value);

    return wxWriteResource(section, entry, buf, file);
}

bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
{
    // TODO
    return false;
}

bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
{
    char *s = NULL;
    bool succ = wxGetResource(section, entry, (char **)&s, file);
    if (succ)
    {
        *value = (float)strtod(s, NULL);
        delete[] s;
        return true;
    }
    else return false;
}

bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
{
    char *s = NULL;
    bool succ = wxGetResource(section, entry, (char **)&s, file);
    if (succ)
    {
        *value = strtol(s, NULL, 10);
        delete[] s;
        return true;
    }
    else return false;
}

bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
{
    char *s = NULL;
    bool succ = wxGetResource(section, entry, (char **)&s, file);
    if (succ)
    {
        *value = (int)strtol(s, NULL, 10);
        delete[] s;
        return true;
    }
    else return false;
}
#endif // wxUSE_RESOURCES

int gs_wxBusyCursorCount = 0;
extern wxCursor    gMacCurrentCursor ;
wxCursor        gMacStoredActiveCursor ;

// Set the cursor to the busy cursor for all windows
void wxBeginBusyCursor(const wxCursor *cursor)
{
    if (gs_wxBusyCursorCount++ == 0)
    {
        gMacStoredActiveCursor = gMacCurrentCursor ;
        cursor->MacInstall() ;
    }
    //else: nothing to do, already set
}

// Restore cursor to normal
void wxEndBusyCursor()
{
    wxCHECK_RET( gs_wxBusyCursorCount > 0,
        wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );

    if (--gs_wxBusyCursorCount == 0)
    {
        gMacStoredActiveCursor.MacInstall() ;
        gMacStoredActiveCursor = wxNullCursor ;
    }
}

// true if we're between the above two calls
bool wxIsBusy()
{
    return (gs_wxBusyCursorCount > 0);
}

#endif // wxUSE_GUI

#if wxUSE_BASE

wxString wxMacFindFolderNoSeparator( short        vol,
              OSType       folderType,
              Boolean      createFolder)
{
    short    vRefNum  ;
    long     dirID ;
    wxString strDir ;

    if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
    {
        FSSpec file ;
        if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
        {
            strDir = wxMacFSSpec2MacFilename( &file );
        }
    }
    return strDir ;
}

wxString wxMacFindFolder( short        vol,
              OSType       folderType,
              Boolean      createFolder)
{
    return wxMacFindFolderNoSeparator(vol, folderType, createFolder) + wxFILE_SEP_PATH;
}

#endif // wxUSE_BASE

#if wxUSE_GUI

// Check whether this window wants to process messages, e.g. Stop button
// in long calculations.
bool wxCheckForInterrupt(wxWindow *wnd)
{
    // TODO
    return false;
}

void wxGetMousePosition( int* x, int* y )
{
    Point pt ;

    GetMouse( &pt ) ;
    LocalToGlobal( &pt ) ;
    *x = pt.h ;
    *y = pt.v ;
};

// Return true if we have a colour display
bool wxColourDisplay()
{
    return true;
}

// Returns depth of screen
int wxDisplayDepth()
{
    Rect globRect ;
    SetRect(&globRect, -32760, -32760, 32760, 32760);
    GDHandle    theMaxDevice;

    int theDepth = 8;
    theMaxDevice = GetMaxDevice(&globRect);
    if (theMaxDevice != nil)
        theDepth = (**(**theMaxDevice).gdPMap).pixelSize;

    return theDepth ;
}

// Get size of display
void wxDisplaySize(int *width, int *height)
{
    BitMap screenBits;
    GetQDGlobalsScreenBits( &screenBits );

    if (width != NULL) {
        *width = screenBits.bounds.right - screenBits.bounds.left  ;
    }
    if (height != NULL) {
        *height = screenBits.bounds.bottom - screenBits.bounds.top ;
    }
}

void wxDisplaySizeMM(int *width, int *height)
{
    wxDisplaySize(width, height);
    // on mac 72 is fixed (at least now ;-)
    float cvPt2Mm = 25.4 / 72;

    if (width != NULL) {
        *width = int( *width * cvPt2Mm );
    }
    if (height != NULL) {
        *height = int( *height * cvPt2Mm );
    }
}

void wxClientDisplayRect(int *x, int *y, int *width, int *height)
{
#if TARGET_CARBON
    Rect r ;
    GetAvailableWindowPositioningBounds( GetMainDevice() , &r ) ;
    if ( x )
        *x = r.left ;
    if ( y )
        *y = r.top ;
    if ( width )
        *width = r.right - r.left ;
    if ( height )
        *height = r.bottom - r.top ;
#else
    BitMap screenBits;
    GetQDGlobalsScreenBits( &screenBits );

    if (x) *x = 0;
    if (y) *y = 0;

    if (width != NULL) {
        *width = screenBits.bounds.right - screenBits.bounds.left  ;
    }
    if (height != NULL) {
        *height = screenBits.bounds.bottom - screenBits.bounds.top ;
    }

    SInt16 mheight ;
#if TARGET_CARBON
    GetThemeMenuBarHeight( &mheight ) ;
#else
    mheight = LMGetMBarHeight() ;
#endif
    if (height != NULL) {
        *height -= mheight ;
    }
    if (y)
        *y = mheight ;
#endif
}

wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
{
    return wxGenericFindWindowAtPoint(pt);
}

#endif // wxUSE_GUI

#if wxUSE_BASE

wxString wxGetOsDescription()
{
#ifdef WXWIN_OS_DESCRIPTION
    // use configure generated description if available
    return wxString(wxT("MacOS (")) + wxT(WXWIN_OS_DESCRIPTION) + wxString(wxT(")"));
#else
    return wxT("MacOS") ; //TODO:define further
#endif
}

#ifndef __DARWIN__
wxChar *wxGetUserHome (const wxString& user)
{
    // TODO
    return NULL;
}

bool wxGetDiskSpace(const wxString& path, wxDiskspaceSize_t *pTotal, wxDiskspaceSize_t *pFree)
{
    if ( path.empty() )
        return false;

    wxString p = path ;
    if (p[0u] == ':' ) {
      p = wxGetCwd() + p ;
    }

    int pos = p.Find(':') ;
    if ( pos != wxNOT_FOUND ) {
      p = p.Mid(1,pos) ;
    }

    p = p + wxT(":") ;

    Str255 volumeName ;
    XVolumeParam pb ;

    wxMacStringToPascal( p  , volumeName ) ;
    OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
    if ( err == noErr ) {
      if ( pTotal ) {
        (*pTotal) = wxDiskspaceSize_t( pb.ioVTotalBytes ) ;
      }
      if ( pFree ) {
        (*pFree) = wxDiskspaceSize_t( pb.ioVFreeBytes ) ;
      }
    }

    return err == noErr ;
}
#endif // !__DARWIN__

//---------------------------------------------------------------------------
// wxMac Specific utility functions
//---------------------------------------------------------------------------

void wxMacStringToPascal( const wxString&from , StringPtr to )
{
    wxCharBuffer buf = from.mb_str( wxConvLocal ) ;
    int len = strlen(buf) ;

    if ( len > 255 )
        len = 255 ;
    to[0] = len ;
    memcpy( (char*) &to[1] , buf , len ) ;
}

wxString wxMacMakeStringFromPascal( ConstStringPtr from )
{
    return wxString( (char*) &from[1] , wxConvLocal , from[0] ) ;
}


wxUint32 wxMacGetSystemEncFromFontEnc(wxFontEncoding encoding)
{
    TextEncodingBase enc = 0 ;
    if ( encoding == wxFONTENCODING_DEFAULT )
    {
#if wxUSE_GUI
        encoding = wxFont::GetDefaultEncoding() ;
#else
        encoding = wxLocale::GetSystemEncoding() ;
#endif
    }

    switch( encoding)
    {
        case wxFONTENCODING_ISO8859_1 :
            enc = kTextEncodingISOLatin1 ;
            break ;
        case wxFONTENCODING_ISO8859_2 :
            enc = kTextEncodingISOLatin2;
            break ;
        case wxFONTENCODING_ISO8859_3 :
            enc = kTextEncodingISOLatin3 ;
            break ;
        case wxFONTENCODING_ISO8859_4 :
            enc = kTextEncodingISOLatin4;
            break ;
        case wxFONTENCODING_ISO8859_5 :
            enc = kTextEncodingISOLatinCyrillic;
            break ;
        case wxFONTENCODING_ISO8859_6 :
            enc = kTextEncodingISOLatinArabic;
            break ;
        case wxFONTENCODING_ISO8859_7 :
            enc = kTextEncodingISOLatinGreek;
            break ;
        case wxFONTENCODING_ISO8859_8 :
            enc = kTextEncodingISOLatinHebrew;
            break ;
        case wxFONTENCODING_ISO8859_9 :
            enc = kTextEncodingISOLatin5;
            break ;
        case wxFONTENCODING_ISO8859_10 :
            enc = kTextEncodingISOLatin6;
            break ;
        case wxFONTENCODING_ISO8859_13 :
            enc = kTextEncodingISOLatin7;
            break ;
        case wxFONTENCODING_ISO8859_14 :
            enc = kTextEncodingISOLatin8;
            break ;
        case wxFONTENCODING_ISO8859_15 :
            enc = kTextEncodingISOLatin9;
            break ;

        case wxFONTENCODING_KOI8 :
            enc = kTextEncodingKOI8_R;
            break ;
        case wxFONTENCODING_ALTERNATIVE : // MS-DOS CP866
            enc = kTextEncodingDOSRussian;
            break ;
/*
        case wxFONTENCODING_BULGARIAN :
            enc = ;
            break ;
*/
        case wxFONTENCODING_CP437 :
            enc =kTextEncodingDOSLatinUS ;
            break ;
        case wxFONTENCODING_CP850 :
            enc = kTextEncodingDOSLatin1;
            break ;
        case wxFONTENCODING_CP852 :
            enc = kTextEncodingDOSLatin2;
            break ;
        case wxFONTENCODING_CP855 :
            enc = kTextEncodingDOSCyrillic;
            break ;
        case wxFONTENCODING_CP866 :
            enc =kTextEncodingDOSRussian ;
            break ;
        case wxFONTENCODING_CP874 :
            enc = kTextEncodingDOSThai;
            break ;
        case wxFONTENCODING_CP932 :
            enc = kTextEncodingDOSJapanese;
            break ;
        case wxFONTENCODING_CP936 :
            enc =kTextEncodingDOSChineseSimplif ;
            break ;
        case wxFONTENCODING_CP949 :
            enc = kTextEncodingDOSKorean;
            break ;
        case wxFONTENCODING_CP950 :
            enc = kTextEncodingDOSChineseTrad;
            break ;

        case wxFONTENCODING_CP1250 :
            enc = kTextEncodingWindowsLatin2;
            break ;
        case wxFONTENCODING_CP1251 :
            enc =kTextEncodingWindowsCyrillic ;
            break ;
        case wxFONTENCODING_CP1252 :
            enc =kTextEncodingWindowsLatin1 ;
            break ;
        case wxFONTENCODING_CP1253 :
            enc = kTextEncodingWindowsGreek;
            break ;
        case wxFONTENCODING_CP1254 :
            enc = kTextEncodingWindowsLatin5;
            break ;
        case wxFONTENCODING_CP1255 :
            enc =kTextEncodingWindowsHebrew ;
            break ;
        case wxFONTENCODING_CP1256 :
            enc =kTextEncodingWindowsArabic ;
            break ;
        case wxFONTENCODING_CP1257 :
            enc = kTextEncodingWindowsBalticRim;
            break ;

        case wxFONTENCODING_UTF7 :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicodeUTF7Format) ;
            break ;
        case wxFONTENCODING_UTF8 :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicodeUTF8Format) ;
            break ;
        case wxFONTENCODING_EUC_JP :
            enc = kTextEncodingEUC_JP;
            break ;
        case wxFONTENCODING_UTF16BE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
            break ;
        case wxFONTENCODING_UTF16LE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
            break ;
        case wxFONTENCODING_UTF32BE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode32BitFormat) ;
            break ;
        case wxFONTENCODING_UTF32LE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode32BitFormat) ;
            break ;

        case wxFONTENCODING_MACROMAN :
            enc = kTextEncodingMacRoman ;
            break ;
        case wxFONTENCODING_MACJAPANESE :
            enc = kTextEncodingMacJapanese ;
            break ;
        case wxFONTENCODING_MACCHINESETRAD :
            enc = kTextEncodingMacChineseTrad ;
            break ;
        case wxFONTENCODING_MACKOREAN :
            enc = kTextEncodingMacKorean ;
            break ;
        case wxFONTENCODING_MACARABIC :
            enc = kTextEncodingMacArabic ;
            break ;
        case wxFONTENCODING_MACHEBREW :
            enc = kTextEncodingMacHebrew ;
            break ;
        case wxFONTENCODING_MACGREEK :
            enc = kTextEncodingMacGreek ;
            break ;
        case wxFONTENCODING_MACCYRILLIC :
            enc = kTextEncodingMacCyrillic ;
            break ;
        case wxFONTENCODING_MACDEVANAGARI :
            enc = kTextEncodingMacDevanagari ;
            break ;
        case wxFONTENCODING_MACGURMUKHI :
            enc = kTextEncodingMacGurmukhi ;
            break ;
        case wxFONTENCODING_MACGUJARATI :
            enc = kTextEncodingMacGujarati ;
            break ;
        case wxFONTENCODING_MACORIYA :
            enc = kTextEncodingMacOriya ;
            break ;
        case wxFONTENCODING_MACBENGALI :
            enc = kTextEncodingMacBengali ;
            break ;
        case wxFONTENCODING_MACTAMIL :
            enc = kTextEncodingMacTamil ;
            break ;
        case wxFONTENCODING_MACTELUGU :
            enc = kTextEncodingMacTelugu ;
            break ;
        case wxFONTENCODING_MACKANNADA :
            enc = kTextEncodingMacKannada ;
            break ;
        case wxFONTENCODING_MACMALAJALAM :
            enc = kTextEncodingMacMalayalam ;
            break ;
        case wxFONTENCODING_MACSINHALESE :
            enc = kTextEncodingMacSinhalese ;
            break ;
        case wxFONTENCODING_MACBURMESE :
            enc = kTextEncodingMacBurmese ;
            break ;
        case wxFONTENCODING_MACKHMER :
            enc = kTextEncodingMacKhmer ;
            break ;
        case wxFONTENCODING_MACTHAI :
            enc = kTextEncodingMacThai ;
            break ;
        case wxFONTENCODING_MACLAOTIAN :
            enc = kTextEncodingMacLaotian ;
            break ;
        case wxFONTENCODING_MACGEORGIAN :
            enc = kTextEncodingMacGeorgian ;
            break ;
        case wxFONTENCODING_MACARMENIAN :
            enc = kTextEncodingMacArmenian ;
            break ;
        case wxFONTENCODING_MACCHINESESIMP :
            enc = kTextEncodingMacChineseSimp ;
            break ;
        case wxFONTENCODING_MACTIBETAN :
            enc = kTextEncodingMacTibetan ;
            break ;
        case wxFONTENCODING_MACMONGOLIAN :
            enc = kTextEncodingMacMongolian ;
            break ;
        case wxFONTENCODING_MACETHIOPIC :
            enc = kTextEncodingMacEthiopic ;
            break ;
        case wxFONTENCODING_MACCENTRALEUR :
            enc = kTextEncodingMacCentralEurRoman ;
            break ;
        case wxFONTENCODING_MACVIATNAMESE :
            enc = kTextEncodingMacVietnamese ;
            break ;
        case wxFONTENCODING_MACARABICEXT :
            enc = kTextEncodingMacExtArabic ;
            break ;
        case wxFONTENCODING_MACSYMBOL :
            enc = kTextEncodingMacSymbol ;
            break ;
        case wxFONTENCODING_MACDINGBATS :
            enc = kTextEncodingMacDingbats ;
            break ;
        case wxFONTENCODING_MACTURKISH :
            enc = kTextEncodingMacTurkish ;
            break ;
        case wxFONTENCODING_MACCROATIAN :
            enc = kTextEncodingMacCroatian ;
            break ;
        case wxFONTENCODING_MACICELANDIC :
            enc = kTextEncodingMacIcelandic ;
            break ;
        case wxFONTENCODING_MACROMANIAN :
            enc = kTextEncodingMacRomanian ;
            break ;
        case wxFONTENCODING_MACCELTIC :
            enc = kTextEncodingMacCeltic ;
            break ;
        case wxFONTENCODING_MACGAELIC :
            enc = kTextEncodingMacGaelic ;
            break ;
        case wxFONTENCODING_MACKEYBOARD :
            enc = kTextEncodingMacKeyboardGlyphs ;
            break ;
        default :
            // to make gcc happy
            break ;
    } ;
    return enc ;
}

wxFontEncoding wxMacGetFontEncFromSystemEnc(wxUint32 encoding)
{
    wxFontEncoding enc = wxFONTENCODING_DEFAULT ;

    switch( encoding)
    {
        case kTextEncodingISOLatin1  :
            enc = wxFONTENCODING_ISO8859_1 ;
            break ;
        case kTextEncodingISOLatin2 :
            enc = wxFONTENCODING_ISO8859_2;
            break ;
        case kTextEncodingISOLatin3 :
            enc = wxFONTENCODING_ISO8859_3 ;
            break ;
        case kTextEncodingISOLatin4 :
            enc = wxFONTENCODING_ISO8859_4;
            break ;
        case kTextEncodingISOLatinCyrillic :
            enc = wxFONTENCODING_ISO8859_5;
            break ;
        case kTextEncodingISOLatinArabic :
            enc = wxFONTENCODING_ISO8859_6;
            break ;
        case kTextEncodingISOLatinGreek :
            enc = wxFONTENCODING_ISO8859_7;
            break ;
        case kTextEncodingISOLatinHebrew :
            enc = wxFONTENCODING_ISO8859_8;
            break ;
        case kTextEncodingISOLatin5 :
            enc = wxFONTENCODING_ISO8859_9;
            break ;
        case kTextEncodingISOLatin6 :
            enc = wxFONTENCODING_ISO8859_10;
            break ;
        case kTextEncodingISOLatin7 :
            enc = wxFONTENCODING_ISO8859_13;
            break ;
        case kTextEncodingISOLatin8 :
            enc = wxFONTENCODING_ISO8859_14;
            break ;
        case kTextEncodingISOLatin9 :
            enc =wxFONTENCODING_ISO8859_15 ;
            break ;

        case kTextEncodingKOI8_R :
            enc = wxFONTENCODING_KOI8;
            break ;
/*
        case  :
            enc = wxFONTENCODING_BULGARIAN;
            break ;
*/
        case kTextEncodingDOSLatinUS :
            enc = wxFONTENCODING_CP437;
            break ;
        case kTextEncodingDOSLatin1 :
            enc = wxFONTENCODING_CP850;
            break ;
        case kTextEncodingDOSLatin2 :
            enc =wxFONTENCODING_CP852 ;
            break ;
        case kTextEncodingDOSCyrillic :
            enc = wxFONTENCODING_CP855;
            break ;
        case kTextEncodingDOSRussian :
            enc = wxFONTENCODING_CP866;
            break ;
        case kTextEncodingDOSThai :
            enc =wxFONTENCODING_CP874 ;
            break ;
        case kTextEncodingDOSJapanese :
            enc = wxFONTENCODING_CP932;
            break ;
        case kTextEncodingDOSChineseSimplif :
            enc = wxFONTENCODING_CP936;
            break ;
        case kTextEncodingDOSKorean :
            enc = wxFONTENCODING_CP949;
            break ;
        case kTextEncodingDOSChineseTrad :
            enc = wxFONTENCODING_CP950;
            break ;

        case kTextEncodingWindowsLatin2 :
            enc = wxFONTENCODING_CP1250;
            break ;
        case kTextEncodingWindowsCyrillic :
            enc = wxFONTENCODING_CP1251;
            break ;
        case kTextEncodingWindowsLatin1 :
            enc = wxFONTENCODING_CP1252;
            break ;
        case kTextEncodingWindowsGreek :
            enc = wxFONTENCODING_CP1253;
            break ;
        case kTextEncodingWindowsLatin5 :
            enc = wxFONTENCODING_CP1254;
            break ;
        case kTextEncodingWindowsHebrew :
            enc = wxFONTENCODING_CP1255;
            break ;
        case kTextEncodingWindowsArabic :
            enc = wxFONTENCODING_CP1256;
            break ;
        case kTextEncodingWindowsBalticRim :
            enc =wxFONTENCODING_CP1257 ;
            break ;
        case kTextEncodingEUC_JP :
            enc = wxFONTENCODING_EUC_JP;
            break ;
            /*
        case wxFONTENCODING_UTF7 :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicodeUTF7Format) ;
            break ;
        case wxFONTENCODING_UTF8 :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicodeUTF8Format) ;
            break ;
        case wxFONTENCODING_UTF16BE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
            break ;
        case wxFONTENCODING_UTF16LE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
            break ;
        case wxFONTENCODING_UTF32BE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode32BitFormat) ;
            break ;
        case wxFONTENCODING_UTF32LE :
            enc = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode32BitFormat) ;
            break ;
        */
        case kTextEncodingMacRoman :
            enc = wxFONTENCODING_MACROMAN ;
            break ;
        case kTextEncodingMacJapanese :
            enc = wxFONTENCODING_MACJAPANESE ;
            break ;
        case kTextEncodingMacChineseTrad :
            enc = wxFONTENCODING_MACCHINESETRAD ;
            break ;
        case kTextEncodingMacKorean :
            enc = wxFONTENCODING_MACKOREAN ;
            break ;
        case kTextEncodingMacArabic :
            enc =wxFONTENCODING_MACARABIC ;
            break ;
        case kTextEncodingMacHebrew :
            enc = wxFONTENCODING_MACHEBREW ;
            break ;
        case kTextEncodingMacGreek :
            enc = wxFONTENCODING_MACGREEK ;
            break ;
        case kTextEncodingMacCyrillic :
            enc = wxFONTENCODING_MACCYRILLIC ;
            break ;
        case kTextEncodingMacDevanagari :
            enc = wxFONTENCODING_MACDEVANAGARI ;
            break ;
        case kTextEncodingMacGurmukhi :
            enc = wxFONTENCODING_MACGURMUKHI ;
            break ;
        case kTextEncodingMacGujarati :
            enc = wxFONTENCODING_MACGUJARATI ;
            break ;
        case kTextEncodingMacOriya :
            enc =wxFONTENCODING_MACORIYA ;
            break ;
        case kTextEncodingMacBengali :
            enc =wxFONTENCODING_MACBENGALI ;
            break ;
        case kTextEncodingMacTamil :
            enc = wxFONTENCODING_MACTAMIL ;
            break ;
        case kTextEncodingMacTelugu :
            enc = wxFONTENCODING_MACTELUGU ;
            break ;
        case kTextEncodingMacKannada :
            enc = wxFONTENCODING_MACKANNADA ;
            break ;
        case kTextEncodingMacMalayalam :
            enc = wxFONTENCODING_MACMALAJALAM ;
            break ;
        case kTextEncodingMacSinhalese :
            enc = wxFONTENCODING_MACSINHALESE ;
            break ;
        case kTextEncodingMacBurmese :
            enc = wxFONTENCODING_MACBURMESE ;
            break ;
        case kTextEncodingMacKhmer :
            enc = wxFONTENCODING_MACKHMER ;
            break ;
        case kTextEncodingMacThai :
            enc = wxFONTENCODING_MACTHAI ;
            break ;
        case kTextEncodingMacLaotian :
            enc = wxFONTENCODING_MACLAOTIAN ;
            break ;
        case kTextEncodingMacGeorgian :
            enc = wxFONTENCODING_MACGEORGIAN ;
            break ;
        case kTextEncodingMacArmenian :
            enc = wxFONTENCODING_MACARMENIAN ;
            break ;
        case kTextEncodingMacChineseSimp :
            enc = wxFONTENCODING_MACCHINESESIMP ;
            break ;
        case kTextEncodingMacTibetan :
            enc = wxFONTENCODING_MACTIBETAN ;
            break ;
        case kTextEncodingMacMongolian :
            enc = wxFONTENCODING_MACMONGOLIAN ;
            break ;
        case kTextEncodingMacEthiopic :
            enc = wxFONTENCODING_MACETHIOPIC ;
            break ;
        case kTextEncodingMacCentralEurRoman:
            enc = wxFONTENCODING_MACCENTRALEUR  ;
            break ;
        case kTextEncodingMacVietnamese:
            enc = wxFONTENCODING_MACVIATNAMESE  ;
            break ;
        case kTextEncodingMacExtArabic :
            enc = wxFONTENCODING_MACARABICEXT ;
            break ;
        case kTextEncodingMacSymbol :
            enc = wxFONTENCODING_MACSYMBOL ;
            break ;
        case kTextEncodingMacDingbats :
            enc = wxFONTENCODING_MACDINGBATS ;
            break ;
        case kTextEncodingMacTurkish :
            enc = wxFONTENCODING_MACTURKISH ;
            break ;
        case kTextEncodingMacCroatian :
            enc = wxFONTENCODING_MACCROATIAN ;
            break ;
        case kTextEncodingMacIcelandic :
            enc = wxFONTENCODING_MACICELANDIC ;
            break ;
        case kTextEncodingMacRomanian :
            enc = wxFONTENCODING_MACROMANIAN ;
            break ;
        case kTextEncodingMacCeltic :
            enc = wxFONTENCODING_MACCELTIC ;
            break ;
        case kTextEncodingMacGaelic :
            enc = wxFONTENCODING_MACGAELIC ;
            break ;
        case kTextEncodingMacKeyboardGlyphs :
            enc = wxFONTENCODING_MACKEYBOARD ;
            break ;
    } ;
    return enc ;
}

#endif // wxUSE_BASE

#if wxUSE_GUI


//
// CFStringRefs (Carbon only)
//

#if TARGET_CARBON

// converts this string into a carbon foundation string with optional pc 2 mac encoding
void wxMacCFStringHolder::Assign( const wxString &st , wxFontEncoding encoding )
{
    Release() ;

    wxString str = st ;
    wxMacConvertNewlines13To10( &str ) ;
#if wxUSE_UNICODE
#if SIZEOF_WCHAR_T == 2
    m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault,
            (UniChar*)str.wc_str() , str.Len() );
#else
    wxMBConvUTF16BE converter ;
    size_t unicharlen = converter.WC2MB( NULL , str.wc_str() , 0 ) ;
    UniChar *unibuf = new UniChar[ unicharlen / sizeof(UniChar) + 1 ] ;
    converter.WC2MB( (char*)unibuf , str.wc_str() , unicharlen ) ;
    m_cfs = CFStringCreateWithCharacters( kCFAllocatorDefault ,
        unibuf , unicharlen / sizeof(UniChar) ) ;
    delete[] unibuf ;
#endif
#else // not wxUSE_UNICODE
    m_cfs = CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
        wxMacGetSystemEncFromFontEnc( encoding ) ) ;
#endif
    m_release = true ;
}

wxString wxMacCFStringHolder::AsString(wxFontEncoding encoding)
{
    Size cflen = CFStringGetLength( m_cfs )  ;
    size_t noChars ;
    wxChar* buf = NULL ;

#if wxUSE_UNICODE
#if SIZEOF_WCHAR_T == 2
    buf = new wxChar[ cflen + 1 ] ;
    CFStringGetCharacters( m_cfs , CFRangeMake( 0 , cflen ) , (UniChar*) buf ) ;
    noChars = cflen ;
#else
    UniChar* unibuf = new UniChar[ cflen + 1 ] ;
    CFStringGetCharacters( m_cfs , CFRangeMake( 0 , cflen ) , (UniChar*) unibuf ) ;
    unibuf[cflen] = 0 ;
    wxMBConvUTF16BE converter ;
    noChars = converter.MB2WC( NULL , (const char*)unibuf , 0 ) ;
    buf = new wxChar[ noChars + 1 ] ;
    converter.MB2WC( buf , (const char*)unibuf , noChars ) ;
    delete[] unibuf ;
#endif
#else
    CFIndex cStrLen ;
    CFStringGetBytes( m_cfs , CFRangeMake(0, cflen) , wxMacGetSystemEncFromFontEnc( encoding ) ,
        '?' , false , NULL , 0 , &cStrLen ) ;
    buf = new wxChar[ cStrLen + 1 ] ;
    CFStringGetBytes( m_cfs , CFRangeMake(0, cflen) , wxMacGetSystemEncFromFontEnc( encoding ) ,
        '?' , false , (unsigned char*) buf , cStrLen , &cStrLen) ;
    noChars = cStrLen ;
#endif

    buf[noChars] = 0 ;
    wxMacConvertNewlines10To13( buf ) ;
    wxString result(buf) ;
    delete[] buf ;
    return result ;
}

#endif //TARGET_CARBON

void wxMacConvertNewlines13To10( char * data )
{
    char * buf = data ;
    while( (buf=strchr(buf,0x0d)) != NULL )
    {
        *buf = 0x0a ;
        buf++ ;
    }
}

void wxMacConvertNewlines10To13( char * data )
{
    char * buf = data ;
    while( (buf=strchr(buf,0x0a)) != NULL )
    {
        *buf = 0x0d ;
        buf++ ;
    }
}

void wxMacConvertNewlines13To10( wxString * data )
{
    size_t len = data->length() ;

    if ( len == 0 || wxStrchr(data->c_str(),0x0d)==NULL)
        return ;

    wxString temp(*data) ;
    wxStringBuffer buf(*data,len ) ;
    memcpy( buf , temp.c_str() , (len+1)*sizeof(wxChar) ) ;

    wxMacConvertNewlines13To10( buf ) ;
}

void wxMacConvertNewlines10To13( wxString * data )
{
    size_t len = data->length() ;

    if ( data->empty() || wxStrchr(data->c_str(),0x0a)==NULL)
        return ;

    wxString temp(*data) ;
    wxStringBuffer buf(*data,len ) ;
    memcpy( buf , temp.c_str() , (len+1)*sizeof(wxChar) ) ;
    wxMacConvertNewlines10To13( buf ) ;
}


#if wxUSE_UNICODE
void wxMacConvertNewlines13To10( wxChar * data )
{
    wxChar * buf = data ;
    while( (buf=wxStrchr(buf,0x0d)) != NULL )
    {
        *buf = 0x0a ;
        buf++ ;
    }
}

void wxMacConvertNewlines10To13( wxChar * data )
{
    wxChar * buf =  data ;
    while( (buf=wxStrchr(buf,0x0a)) != NULL )
    {
        *buf = 0x0d ;
        buf++ ;
    }
}
#endif

// ----------------------------------------------------------------------------
// debugging support
// ----------------------------------------------------------------------------

#if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)

// MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...

#ifndef __MetroNubUtils__
#include "MetroNubUtils.h"
#endif

#ifndef __GESTALT__
#include <Gestalt.h>
#endif

#if TARGET_API_MAC_CARBON

    #include <CodeFragments.h>

    extern "C" long CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);

    ProcPtr gCallUniversalProc_Proc = NULL;

#endif

static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;

static long fRunOnce = false;

/* ---------------------------------------------------------------------------
        IsMetroNubInstalled
   --------------------------------------------------------------------------- */

Boolean IsMetroNubInstalled()
{
    if (!fRunOnce)
    {
        long result, value;

        fRunOnce = true;
        gMetroNubEntry = NULL;

        if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
        {
            /* look for MetroNub's Gestalt selector */
            if (Gestalt(kMetroNubUserSignature, &result) == noErr)
            {

            #if TARGET_API_MAC_CARBON
                if (gCallUniversalProc_Proc == NULL)
                {
                    CFragConnectionID   connectionID;
                    Ptr                 mainAddress;
                    Str255              errorString;
                    ProcPtr             symbolAddress;
                    OSErr               err;
                    CFragSymbolClass    symbolClass;

                    symbolAddress = NULL;
                    err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
                                           &connectionID, &mainAddress, errorString);

                    if (err != noErr)
                    {
                        gCallUniversalProc_Proc = NULL;
                        goto end;
                    }

                    err = FindSymbol(connectionID, "\pCallUniversalProc",
                                    (Ptr *) &gCallUniversalProc_Proc, &symbolClass);

                    if (err != noErr)
                    {
                        gCallUniversalProc_Proc = NULL;
                        goto end;
                    }
                }
            #endif

                {
                    MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;

                    /* make sure the version of the API is compatible */
                    if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
                        kMetroNubUserAPIVersion <= block->apiHiVersion)
                        gMetroNubEntry = block;        /* success! */
                }

            }
        }
    }

end:

#if TARGET_API_MAC_CARBON
    return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
#else
    return (gMetroNubEntry != NULL);
#endif
}

/* ---------------------------------------------------------------------------
        IsMWDebuggerRunning                                            [v1 API]
   --------------------------------------------------------------------------- */

Boolean IsMWDebuggerRunning()
{
    if (IsMetroNubInstalled())
        return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
    else
        return false;
}

/* ---------------------------------------------------------------------------
        AmIBeingMWDebugged                                            [v1 API]
   --------------------------------------------------------------------------- */

Boolean AmIBeingMWDebugged()
{
    if (IsMetroNubInstalled())
        return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
    else
        return false;
}

extern bool WXDLLEXPORT wxIsDebuggerRunning()
{
    return IsMWDebuggerRunning() && AmIBeingMWDebugged();
}

#else

extern bool WXDLLEXPORT wxIsDebuggerRunning()
{
    return false;
}

#endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)

#endif // wxUSE_GUI
