utils.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

        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