src/common/fmapbase.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/fmapbase.cpp
   3 // Purpose:     wxFontMapperBase class implementation
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     21.06.2003 (extracted from common/fontmap.cpp)
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999-2003 Vadim Zeitlin <vadim@wxwindows.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_FONTMAP
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/log.h"
  32     #include "wx/intl.h"
  33     #include "wx/module.h"
  34     #include "wx/wxcrtvararg.h"
  35 #endif //WX_PRECOMP
  36
  37 #if defined(__WINDOWS__)
  38     #include  "wx/msw/private.h"  // includes windows.h for LOGFONT
  39     #include  "wx/msw/winundef.h"
  40 #endif
  41
  42 #include "wx/fontmap.h"
  43 #include "wx/fmappriv.h"
  44
  45 #include "wx/apptrait.h"
  46
  47 // wxMemoryConfig uses wxFileConfig
  48 #if wxUSE_CONFIG && wxUSE_FILECONFIG
  49     #include "wx/config.h"
  50     #include "wx/memconf.h"
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // constants
  55 // ----------------------------------------------------------------------------
  56
  57 // encodings supported by GetEncodingDescription
  58 static const wxFontEncoding gs_encodings[] =
  59 {
  60     wxFONTENCODING_ISO8859_1,
  61     wxFONTENCODING_ISO8859_2,
  62     wxFONTENCODING_ISO8859_3,
  63     wxFONTENCODING_ISO8859_4,
  64     wxFONTENCODING_ISO8859_5,
  65     wxFONTENCODING_ISO8859_6,
  66     wxFONTENCODING_ISO8859_7,
  67     wxFONTENCODING_ISO8859_8,
  68     wxFONTENCODING_ISO8859_9,
  69     wxFONTENCODING_ISO8859_10,
  70     wxFONTENCODING_ISO8859_11,
  71     wxFONTENCODING_ISO8859_12,
  72     wxFONTENCODING_ISO8859_13,
  73     wxFONTENCODING_ISO8859_14,
  74     wxFONTENCODING_ISO8859_15,
  75     wxFONTENCODING_KOI8,
  76     wxFONTENCODING_KOI8_U,
  77     wxFONTENCODING_CP866,
  78     wxFONTENCODING_CP874,
  79     wxFONTENCODING_CP932,
  80     wxFONTENCODING_CP936,
  81     wxFONTENCODING_CP949,
  82     wxFONTENCODING_CP950,
  83     wxFONTENCODING_CP1250,
  84     wxFONTENCODING_CP1251,
  85     wxFONTENCODING_CP1252,
  86     wxFONTENCODING_CP1253,
  87     wxFONTENCODING_CP1254,
  88     wxFONTENCODING_CP1255,
  89     wxFONTENCODING_CP1256,
  90     wxFONTENCODING_CP1257,
  91     wxFONTENCODING_CP437,
  92     wxFONTENCODING_UTF7,
  93     wxFONTENCODING_UTF8,
  94     wxFONTENCODING_UTF16BE,
  95     wxFONTENCODING_UTF16LE,
  96     wxFONTENCODING_UTF32BE,
  97     wxFONTENCODING_UTF32LE,
  98     wxFONTENCODING_EUC_JP,
  99     wxFONTENCODING_DEFAULT,
 100     wxFONTENCODING_ISO2022_JP,
 101
 102     wxFONTENCODING_MACROMAN,
 103     wxFONTENCODING_MACJAPANESE,
 104     wxFONTENCODING_MACCHINESETRAD,
 105     wxFONTENCODING_MACKOREAN,
 106     wxFONTENCODING_MACARABIC,
 107     wxFONTENCODING_MACHEBREW,
 108     wxFONTENCODING_MACGREEK,
 109     wxFONTENCODING_MACCYRILLIC,
 110     wxFONTENCODING_MACDEVANAGARI,
 111     wxFONTENCODING_MACGURMUKHI,
 112     wxFONTENCODING_MACGUJARATI,
 113     wxFONTENCODING_MACORIYA,
 114     wxFONTENCODING_MACBENGALI,
 115     wxFONTENCODING_MACTAMIL,
 116     wxFONTENCODING_MACTELUGU,
 117     wxFONTENCODING_MACKANNADA,
 118     wxFONTENCODING_MACMALAJALAM,
 119     wxFONTENCODING_MACSINHALESE,
 120     wxFONTENCODING_MACBURMESE,
 121     wxFONTENCODING_MACKHMER,
 122     wxFONTENCODING_MACTHAI,
 123     wxFONTENCODING_MACLAOTIAN,
 124     wxFONTENCODING_MACGEORGIAN,
 125     wxFONTENCODING_MACARMENIAN,
 126     wxFONTENCODING_MACCHINESESIMP,
 127     wxFONTENCODING_MACTIBETAN,
 128     wxFONTENCODING_MACMONGOLIAN,
 129     wxFONTENCODING_MACETHIOPIC,
 130     wxFONTENCODING_MACCENTRALEUR,
 131     wxFONTENCODING_MACVIATNAMESE,
 132     wxFONTENCODING_MACARABICEXT,
 133     wxFONTENCODING_MACSYMBOL,
 134     wxFONTENCODING_MACDINGBATS,
 135     wxFONTENCODING_MACTURKISH,
 136     wxFONTENCODING_MACCROATIAN,
 137     wxFONTENCODING_MACICELANDIC,
 138     wxFONTENCODING_MACROMANIAN,
 139     wxFONTENCODING_MACCELTIC,
 140     wxFONTENCODING_MACGAELIC,
 141     wxFONTENCODING_MACKEYBOARD
 142 };
 143
 144 // the descriptions for them
 145 static const char* const gs_encodingDescs[] =
 146 {
 147     wxTRANSLATE( "Western European (ISO-8859-1)" ),
 148     wxTRANSLATE( "Central European (ISO-8859-2)" ),
 149     wxTRANSLATE( "Esperanto (ISO-8859-3)" ),
 150     wxTRANSLATE( "Baltic (old) (ISO-8859-4)" ),
 151     wxTRANSLATE( "Cyrillic (ISO-8859-5)" ),
 152     wxTRANSLATE( "Arabic (ISO-8859-6)" ),
 153     wxTRANSLATE( "Greek (ISO-8859-7)" ),
 154     wxTRANSLATE( "Hebrew (ISO-8859-8)" ),
 155     wxTRANSLATE( "Turkish (ISO-8859-9)" ),
 156     wxTRANSLATE( "Nordic (ISO-8859-10)" ),
 157     wxTRANSLATE( "Thai (ISO-8859-11)" ),
 158     wxTRANSLATE( "Indian (ISO-8859-12)" ),
 159     wxTRANSLATE( "Baltic (ISO-8859-13)" ),
 160     wxTRANSLATE( "Celtic (ISO-8859-14)" ),
 161     wxTRANSLATE( "Western European with Euro (ISO-8859-15)" ),
 162     wxTRANSLATE( "KOI8-R" ),
 163     wxTRANSLATE( "KOI8-U" ),
 164     wxTRANSLATE( "Windows/DOS OEM Cyrillic (CP 866)" ),
 165     wxTRANSLATE( "Windows Thai (CP 874)" ),
 166     wxTRANSLATE( "Windows Japanese (CP 932) or Shift-JIS" ),
 167     wxTRANSLATE( "Windows Chinese Simplified (CP 936) or GB-2312" ),
 168     wxTRANSLATE( "Windows Korean (CP 949)" ),
 169     wxTRANSLATE( "Windows Chinese Traditional (CP 950) or Big-5" ),
 170     wxTRANSLATE( "Windows Central European (CP 1250)" ),
 171     wxTRANSLATE( "Windows Cyrillic (CP 1251)" ),
 172     wxTRANSLATE( "Windows Western European (CP 1252)" ),
 173     wxTRANSLATE( "Windows Greek (CP 1253)" ),
 174     wxTRANSLATE( "Windows Turkish (CP 1254)" ),
 175     wxTRANSLATE( "Windows Hebrew (CP 1255)" ),
 176     wxTRANSLATE( "Windows Arabic (CP 1256)" ),
 177     wxTRANSLATE( "Windows Baltic (CP 1257)" ),
 178     wxTRANSLATE( "Windows/DOS OEM (CP 437)" ),
 179     wxTRANSLATE( "Unicode 7 bit (UTF-7)" ),
 180     wxTRANSLATE( "Unicode 8 bit (UTF-8)" ),
 181 #ifdef WORDS_BIGENDIAN
 182     wxTRANSLATE( "Unicode 16 bit (UTF-16)" ),
 183     wxTRANSLATE( "Unicode 16 bit Little Endian (UTF-16LE)" ),
 184     wxTRANSLATE( "Unicode 32 bit (UTF-32)" ),
 185     wxTRANSLATE( "Unicode 32 bit Little Endian (UTF-32LE)" ),
 186 #else // WORDS_BIGENDIAN
 187     wxTRANSLATE( "Unicode 16 bit Big Endian (UTF-16BE)" ),
 188     wxTRANSLATE( "Unicode 16 bit (UTF-16)" ),
 189     wxTRANSLATE( "Unicode 32 bit Big Endian (UTF-32BE)" ),
 190     wxTRANSLATE( "Unicode 32 bit (UTF-32)" ),
 191 #endif // WORDS_BIGENDIAN
 192     wxTRANSLATE( "Extended Unix Codepage for Japanese (EUC-JP)" ),
 193     wxTRANSLATE( "US-ASCII" ),
 194     wxTRANSLATE( "ISO-2022-JP" ),
 195
 196     wxTRANSLATE( "MacRoman" ),
 197     wxTRANSLATE( "MacJapanese" ),
 198     wxTRANSLATE( "MacChineseTrad" ),
 199     wxTRANSLATE( "MacKorean" ),
 200     wxTRANSLATE( "MacArabic" ),
 201     wxTRANSLATE( "MacHebrew" ),
 202     wxTRANSLATE( "MacGreek" ),
 203     wxTRANSLATE( "MacCyrillic" ),
 204     wxTRANSLATE( "MacDevanagari" ),
 205     wxTRANSLATE( "MacGurmukhi" ),
 206     wxTRANSLATE( "MacGujarati" ),
 207     wxTRANSLATE( "MacOriya" ),
 208     wxTRANSLATE( "MacBengali" ),
 209     wxTRANSLATE( "MacTamil" ),
 210     wxTRANSLATE( "MacTelugu" ),
 211     wxTRANSLATE( "MacKannada" ),
 212     wxTRANSLATE( "MacMalayalam" ),
 213     wxTRANSLATE( "MacSinhalese" ),
 214     wxTRANSLATE( "MacBurmese" ),
 215     wxTRANSLATE( "MacKhmer" ),
 216     wxTRANSLATE( "MacThai" ),
 217     wxTRANSLATE( "MacLaotian" ),
 218     wxTRANSLATE( "MacGeorgian" ),
 219     wxTRANSLATE( "MacArmenian" ),
 220     wxTRANSLATE( "MacChineseSimp" ),
 221     wxTRANSLATE( "MacTibetan" ),
 222     wxTRANSLATE( "MacMongolian" ),
 223     wxTRANSLATE( "MacEthiopic" ),
 224     wxTRANSLATE( "MacCentralEurRoman" ),
 225     wxTRANSLATE( "MacVietnamese" ),
 226     wxTRANSLATE( "MacExtArabic" ),
 227     wxTRANSLATE( "MacSymbol" ),
 228     wxTRANSLATE( "MacDingbats" ),
 229     wxTRANSLATE( "MacTurkish" ),
 230     wxTRANSLATE( "MacCroatian" ),
 231     wxTRANSLATE( "MacIcelandic" ),
 232     wxTRANSLATE( "MacRomanian" ),
 233     wxTRANSLATE( "MacCeltic" ),
 234     wxTRANSLATE( "MacGaelic" ),
 235     wxTRANSLATE( "MacKeyboardGlyphs" )
 236 };
 237
 238 // and the internal names (these are not translated on purpose!)
 239 static const wxChar* const gs_encodingNames[][9] =
 240 {
 241     // names from the columns correspond to these OS:
 242     //      Linux        Solaris and IRIX       HP-UX             AIX
 243     { wxT("ISO-8859-1"),  wxT("ISO8859-1"),  wxT("iso88591"),  wxT("8859-1"), wxT("iso_8859_1"), NULL },
 244     { wxT("ISO-8859-2"),  wxT("ISO8859-2"),  wxT("iso88592"),  wxT("8859-2"), NULL },
 245     { wxT("ISO-8859-3"),  wxT("ISO8859-3"),  wxT("iso88593"),  wxT("8859-3"), NULL },
 246     { wxT("ISO-8859-4"),  wxT("ISO8859-4"),  wxT("iso88594"),  wxT("8859-4"), NULL },
 247     { wxT("ISO-8859-5"),  wxT("ISO8859-5"),  wxT("iso88595"),  wxT("8859-5"), NULL },
 248     { wxT("ISO-8859-6"),  wxT("ISO8859-6"),  wxT("iso88596"),  wxT("8859-6"), NULL },
 249     { wxT("ISO-8859-7"),  wxT("ISO8859-7"),  wxT("iso88597"),  wxT("8859-7"), NULL },
 250     { wxT("ISO-8859-8"),  wxT("ISO8859-8"),  wxT("iso88598"),  wxT("8859-8"), NULL },
 251     { wxT("ISO-8859-9"),  wxT("ISO8859-9"),  wxT("iso88599"),  wxT("8859-9"), NULL },
 252     { wxT("ISO-8859-10"), wxT("ISO8859-10"), wxT("iso885910"), wxT("8859-10"), NULL },
 253     { wxT("ISO-8859-11"), wxT("ISO8859-11"), wxT("iso885911"), wxT("8859-11"), NULL },
 254     { wxT("ISO-8859-12"), wxT("ISO8859-12"), wxT("iso885912"), wxT("8859-12"), NULL },
 255     { wxT("ISO-8859-13"), wxT("ISO8859-13"), wxT("iso885913"), wxT("8859-13"), NULL },
 256     { wxT("ISO-8859-14"), wxT("ISO8859-14"), wxT("iso885914"), wxT("8859-14"), NULL },
 257     { wxT("ISO-8859-15"), wxT("ISO8859-15"), wxT("iso885915"), wxT("8859-15"), NULL },
 258
 259     // although koi8-ru is not strictly speaking the same as koi8-r,
 260     // they are similar enough to make mapping it to koi8 better than
 261     // not recognizing it at all
 262     { wxT( "KOI8-R" ), wxT( "KOI8-RU" ), NULL },
 263     { wxT( "KOI8-U" ), NULL },
 264
 265     { wxT( "WINDOWS-866" ), wxT( "CP866" ), NULL },
 266
 267     { wxT( "WINDOWS-874" ), wxT( "CP874" ), wxT( "MS874" ), wxT( "IBM-874" ), NULL },
 268     { wxT( "WINDOWS-932" ), wxT( "CP932" ), wxT( "MS932" ), wxT( "IBM-932" ), wxT( "SJIS" ), wxT( "SHIFT-JIS" ), wxT( "SHIFT_JIS" ), NULL },
 269     { wxT( "WINDOWS-936" ), wxT( "CP936" ), wxT( "MS936" ), wxT( "IBM-936" ), wxT( "GB2312" ), NULL },
 270     { wxT( "WINDOWS-949" ), wxT( "CP949" ), wxT( "MS949" ), wxT( "IBM-949" ), wxT( "EUC-KR" ), wxT( "eucKR" ), wxT( "euc_kr" ), NULL },
 271     { wxT( "WINDOWS-950" ), wxT( "CP950" ), wxT( "MS950" ), wxT( "IBM-950" ), wxT( "BIG5" ), wxT( "BIG-5" ), wxT( "BIG-FIVE" ), NULL },
 272     { wxT( "WINDOWS-1250" ),wxT( "CP1250" ),wxT( "MS1250" ),wxT( "IBM-1250" ),NULL },
 273     { wxT( "WINDOWS-1251" ),wxT( "CP1251" ),wxT( "MS1251" ),wxT( "IBM-1251" ),NULL },
 274     { wxT( "WINDOWS-1252" ),wxT( "CP1252" ),wxT( "MS1252" ),wxT( "IBM-1252" ),NULL },
 275     { wxT( "WINDOWS-1253" ),wxT( "CP1253" ),wxT( "MS1253" ),wxT( "IBM-1253" ),NULL },
 276     { wxT( "WINDOWS-1254" ),wxT( "CP1254" ),wxT( "MS1254" ),wxT( "IBM-1254" ),NULL },
 277     { wxT( "WINDOWS-1255" ),wxT( "CP1255" ),wxT( "MS1255" ),wxT( "IBM-1255" ),NULL },
 278     { wxT( "WINDOWS-1256" ),wxT( "CP1256" ),wxT( "MS1256" ),wxT( "IBM-1256" ),NULL },
 279     { wxT( "WINDOWS-1257" ),wxT( "CP1257" ),wxT( "MS1257" ),wxT( "IBM-1257" ),NULL },
 280     { wxT( "WINDOWS-437" ), wxT( "CP437" ), wxT( "MS437" ), wxT( "IBM-437" ), NULL },
 281
 282     { wxT( "UTF-7" ), wxT("UTF7"), NULL },
 283     { wxT( "UTF-8" ), wxT("UTF8"), NULL },
 284 #ifdef WORDS_BIGENDIAN
 285     { wxT( "UTF-16BE" ), wxT("UTF16BE"), wxT("UCS-2BE"), wxT("UCS2BE"), wxT("UTF-16"), wxT("UTF16"), wxT("UCS-2"), wxT("UCS2"), NULL },
 286     { wxT( "UTF-16LE" ), wxT("UTF16LE"), wxT("UCS-2LE"), wxT("UCS2LE"), NULL },
 287     { wxT( "UTF-32BE" ), wxT("UTF32BE"), wxT("UCS-4BE" ), wxT("UTF-32"), wxT("UTF32"), wxT("UCS-4"), wxT("UCS4"), NULL },
 288     { wxT( "UTF-32LE" ), wxT("UTF32LE"), wxT("UCS-4LE"), wxT("UCS4LE"), NULL },
 289 #else // WORDS_BIGENDIAN
 290     { wxT("UTF-16BE"), wxT("UTF16BE"), wxT("UCS-2BE"), wxT("UCS2BE"), NULL },
 291     { wxT("UTF-16LE"), wxT("UTF16LE"), wxT("UCS-2LE"), wxT("UTF-16"), wxT("UTF16"), wxT("UCS-2"), wxT("UCS2"), NULL },
 292     { wxT("UTF-32BE"), wxT("UTF32BE"), wxT("UCS-4BE"), wxT("UCS4BE"), NULL },
 293     { wxT("UTF-32LE"), wxT("UTF32LE"), wxT("UCS-4LE"), wxT("UCS4LE"), wxT("UTF-32"), wxT("UTF32"), wxT("UCS-4"), wxT("UCS4"), NULL },
 294 #endif // WORDS_BIGENDIAN
 295
 296     { wxT( "EUC-JP" ), wxT( "eucJP" ), wxT( "euc_jp" ), wxT( "IBM-eucJP" ), NULL },
 297
 298     // 646 is for Solaris, roman8 -- for HP-UX
 299     { wxT( "US-ASCII" ), wxT( "ASCII" ), wxT("C"), wxT("POSIX"), wxT("ANSI_X3.4-1968"),
 300       wxT("646"), wxT("roman8"), wxT( "" ), NULL },
 301
 302     { wxT( "ISO-2022-JP" ), NULL },
 303
 304
 305     { wxT( "MacRoman" ), NULL },
 306     { wxT( "MacJapanese" ), NULL },
 307     { wxT( "MacChineseTrad" ), NULL },
 308     { wxT( "MacKorean" ), NULL },
 309     { wxT( "MacArabic" ), NULL },
 310     { wxT( "MacHebrew" ), NULL },
 311     { wxT( "MacGreek" ), NULL },
 312     { wxT( "MacCyrillic" ), NULL },
 313     { wxT( "MacDevanagari" ), NULL },
 314     { wxT( "MacGurmukhi" ), NULL },
 315     { wxT( "MacGujarati" ), NULL },
 316     { wxT( "MacOriya" ), NULL },
 317     { wxT( "MacBengali" ), NULL },
 318     { wxT( "MacTamil" ), NULL },
 319     { wxT( "MacTelugu" ), NULL },
 320     { wxT( "MacKannada" ), NULL },
 321     { wxT( "MacMalayalam" ), NULL },
 322     { wxT( "MacSinhalese" ), NULL },
 323     { wxT( "MacBurmese" ), NULL },
 324     { wxT( "MacKhmer" ), NULL },
 325     { wxT( "MacThai" ), NULL },
 326     { wxT( "MacLaotian" ), NULL },
 327     { wxT( "MacGeorgian" ), NULL },
 328     { wxT( "MacArmenian" ), NULL },
 329     { wxT( "MacChineseSimp" ), NULL },
 330     { wxT( "MacTibetan" ), NULL },
 331     { wxT( "MacMongolian" ), NULL },
 332     { wxT( "MacEthiopic" ), NULL },
 333     { wxT( "MacCentralEurRoman" ), NULL },
 334     { wxT( "MacVietnamese" ), NULL },
 335     { wxT( "MacExtArabic" ), NULL },
 336     { wxT( "MacSymbol" ), NULL },
 337     { wxT( "MacDingbats" ), NULL },
 338     { wxT( "MacTurkish" ), NULL },
 339     { wxT( "MacCroatian" ), NULL },
 340     { wxT( "MacIcelandic" ), NULL },
 341     { wxT( "MacRomanian" ), NULL },
 342     { wxT( "MacCeltic" ), NULL },
 343     { wxT( "MacGaelic" ), NULL },
 344     { wxT( "MacKeyboardGlyphs" ), NULL }
 345 };
 346
 347 wxCOMPILE_TIME_ASSERT( WXSIZEOF(gs_encodingDescs) == WXSIZEOF(gs_encodings), EncodingsArraysNotInSync );
 348 wxCOMPILE_TIME_ASSERT( WXSIZEOF(gs_encodingNames) == WXSIZEOF(gs_encodings), EncodingsArraysNotInSync );
 349
 350 // ----------------------------------------------------------------------------
 351 // private classes
 352 // ----------------------------------------------------------------------------
 353
 354 // clean up the font mapper object
 355 class wxFontMapperModule : public wxModule
 356 {
 357 public:
 358     wxFontMapperModule() : wxModule() { }
 359
 360     virtual bool OnInit()
 361     {
 362         // a dummy wxFontMapperBase object could have been created during the
 363         // program startup before wxApp was created, we have to delete it to
 364         // allow creating the real font mapper next time it is needed now that
 365         // we can create it (when the modules are initialized, wxApp object
 366         // already exists)
 367         wxFontMapperBase *fm = wxFontMapperBase::Get();
 368         if ( fm && fm->IsDummy() )
 369             wxFontMapperBase::Reset();
 370
 371         return true;
 372     }
 373
 374     virtual void OnExit()
 375     {
 376         wxFontMapperBase::Reset();
 377     }
 378
 379     DECLARE_DYNAMIC_CLASS(wxFontMapperModule)
 380 };
 381
 382 IMPLEMENT_DYNAMIC_CLASS(wxFontMapperModule, wxModule)
 383
 384
 385 // ============================================================================
 386 // wxFontMapperBase implementation
 387 // ============================================================================
 388
 389 wxFontMapper *wxFontMapperBase::sm_instance = NULL;
 390
 391 // ----------------------------------------------------------------------------
 392 // ctor and dtor
 393 // ----------------------------------------------------------------------------
 394
 395 wxFontMapperBase::wxFontMapperBase()
 396 {
 397 #if wxUSE_CONFIG && wxUSE_FILECONFIG
 398     m_configDummy = NULL;
 399 #endif // wxUSE_CONFIG
 400 }
 401
 402 wxFontMapperBase::~wxFontMapperBase()
 403 {
 404 #if wxUSE_CONFIG && wxUSE_FILECONFIG
 405     if ( m_configDummy )
 406         delete m_configDummy;
 407 #endif // wxUSE_CONFIG
 408 }
 409
 410 /* static */
 411 wxFontMapperBase *wxFontMapperBase::Get()
 412 {
 413     if ( !sm_instance )
 414     {
 415         wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
 416         if ( traits )
 417         {
 418             sm_instance = traits->CreateFontMapper();
 419
 420             wxASSERT_MSG( sm_instance,
 421                             wxT("wxAppTraits::CreateFontMapper() failed") );
 422         }
 423
 424         if ( !sm_instance )
 425         {
 426             // last resort: we must create something because the existing code
 427             // relies on always having a valid font mapper object
 428             sm_instance = (wxFontMapper *)new wxFontMapperBase;
 429         }
 430     }
 431
 432     return (wxFontMapperBase*)sm_instance;
 433 }
 434
 435 /* static */
 436 wxFontMapper *wxFontMapperBase::Set(wxFontMapper *mapper)
 437 {
 438     wxFontMapper *old = sm_instance;
 439     sm_instance = mapper;
 440     return old;
 441 }
 442
 443 /* static */
 444 void wxFontMapperBase::Reset()
 445 {
 446     if ( sm_instance )
 447     {
 448         // we need a cast as wxFontMapper is not fully declared here and so the
 449         // compiler can't know that it derives from wxFontMapperBase (but
 450         // run-time behaviour will be correct because the dtor is virtual)
 451         delete (wxFontMapperBase *)sm_instance;
 452         sm_instance = NULL;
 453     }
 454 }
 455
 456 #if wxUSE_CONFIG && wxUSE_FILECONFIG
 457
 458 // ----------------------------------------------------------------------------
 459 // config usage customisation
 460 // ----------------------------------------------------------------------------
 461
 462
 463 static wxString gs_defaultConfigPath(FONTMAPPER_ROOT_PATH);
 464
 465 /* static */
 466 const wxString& wxFontMapperBase::GetDefaultConfigPath()
 467 {
 468     // NB: we return const wxString& and not wxString for compatibility
 469     //     with 2.8 that returned const wxChar*
 470     return gs_defaultConfigPath;
 471 }
 472
 473 void wxFontMapperBase::SetConfigPath(const wxString& prefix)
 474 {
 475     wxCHECK_RET( !prefix.empty() && prefix[0] == wxCONFIG_PATH_SEPARATOR,
 476                  wxT("an absolute path should be given to wxFontMapper::SetConfigPath()") );
 477
 478     m_configRootPath = prefix;
 479 }
 480
 481 // ----------------------------------------------------------------------------
 482 // get config object and path for it
 483 // ----------------------------------------------------------------------------
 484
 485 wxConfigBase *wxFontMapperBase::GetConfig()
 486 {
 487     wxConfigBase *config = wxConfig::Get(false);
 488
 489     // If there is no global configuration, use an internal memory configuration
 490     if ( !config )
 491     {
 492         if ( !m_configDummy )
 493             m_configDummy = new wxMemoryConfig;
 494         config = m_configDummy;
 495
 496         // FIXME: ideally, we should add keys from dummy config to a real one later,
 497         //        but it is a low-priority task because typical wxWin application
 498         //        either doesn't use wxConfig at all or creates wxConfig object in
 499         //        wxApp::OnInit(), before any real interaction with the user takes
 500         //        place...
 501     }
 502
 503     return config;
 504 }
 505
 506 const wxString& wxFontMapperBase::GetConfigPath()
 507 {
 508     if ( !m_configRootPath )
 509     {
 510         // use the default
 511         m_configRootPath = GetDefaultConfigPath();
 512     }
 513
 514     return m_configRootPath;
 515 }
 516
 517 // ----------------------------------------------------------------------------
 518 // config helpers
 519 // ----------------------------------------------------------------------------
 520
 521 bool wxFontMapperBase::ChangePath(const wxString& pathNew, wxString *pathOld)
 522 {
 523     wxConfigBase *config = GetConfig();
 524     if ( !config )
 525         return false;
 526
 527     *pathOld = config->GetPath();
 528
 529     wxString path = GetConfigPath();
 530     if ( path.empty() || path.Last() != wxCONFIG_PATH_SEPARATOR )
 531     {
 532         path += wxCONFIG_PATH_SEPARATOR;
 533     }
 534
 535     wxASSERT_MSG( !pathNew || (pathNew[0] != wxCONFIG_PATH_SEPARATOR),
 536                   wxT("should be a relative path") );
 537
 538     path += pathNew;
 539
 540     config->SetPath(path);
 541
 542     return true;
 543 }
 544
 545 void wxFontMapperBase::RestorePath(const wxString& pathOld)
 546 {
 547     GetConfig()->SetPath(pathOld);
 548 }
 549
 550 #endif
 551
 552 // ----------------------------------------------------------------------------
 553 // charset/encoding correspondence
 554 // ----------------------------------------------------------------------------
 555
 556 wxFontEncoding
 557 wxFontMapperBase::CharsetToEncoding(const wxString& charset,
 558                                     bool WXUNUSED(interactive))
 559 {
 560     int enc = NonInteractiveCharsetToEncoding(charset);
 561     if ( enc == wxFONTENCODING_UNKNOWN )
 562     {
 563         // we should return wxFONTENCODING_SYSTEM from here for unknown
 564         // encodings
 565         enc = wxFONTENCODING_SYSTEM;
 566     }
 567
 568     return (wxFontEncoding)enc;
 569 }
 570
 571 int
 572 wxFontMapperBase::NonInteractiveCharsetToEncoding(const wxString& charset)
 573 {
 574     wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
 575
 576     // we're going to modify it, make a copy
 577     wxString cs = charset;
 578
 579 #if wxUSE_CONFIG && wxUSE_FILECONFIG
 580     // first try the user-defined settings
 581     wxFontMapperPathChanger path(this, FONTMAPPER_CHARSET_PATH);
 582     if ( path.IsOk() )
 583     {
 584         wxConfigBase *config = GetConfig();
 585
 586         // do we have an encoding for this charset?
 587         long value = config->Read(charset, -1l);
 588         if ( value != -1 )
 589         {
 590             if ( value == wxFONTENCODING_UNKNOWN )
 591             {
 592                 // don't try to find it, in particular don't ask the user
 593                 return value;
 594             }
 595
 596             if ( value >= 0 && value <= wxFONTENCODING_MAX )
 597             {
 598                 encoding = (wxFontEncoding)value;
 599             }
 600             else
 601             {
 602                 wxLogDebug(wxT("corrupted config data: invalid encoding %ld for charset '%s' ignored"),
 603                            value, charset.c_str());
 604             }
 605         }
 606
 607         if ( encoding == wxFONTENCODING_SYSTEM )
 608         {
 609             // may be we have an alias?
 610             config->SetPath(FONTMAPPER_CHARSET_ALIAS_PATH);
 611
 612             wxString alias = config->Read(charset);
 613             if ( !alias.empty() )
 614             {
 615                 // yes, we do - use it instead
 616                 cs = alias;
 617             }
 618         }
 619     }
 620 #endif // wxUSE_CONFIG
 621
 622     // if didn't find it there, try to recognize it ourselves
 623     if ( encoding == wxFONTENCODING_SYSTEM )
 624     {
 625         // trim any spaces
 626         cs.Trim(true);
 627         cs.Trim(false);
 628
 629         // discard the optional quotes
 630         if ( !cs.empty() )
 631         {
 632             if ( cs[0u] == wxT('"') && cs.Last() == wxT('"') )
 633             {
 634                 cs = wxString(cs.c_str(), cs.length() - 1);
 635             }
 636         }
 637
 638         for ( size_t i = 0; i < WXSIZEOF(gs_encodingNames); ++i )
 639         {
 640             for ( const wxChar* const* encName = gs_encodingNames[i]; *encName; ++encName )
 641             {
 642                 if ( cs.CmpNoCase(*encName) == 0 )
 643                     return gs_encodings[i];
 644             }
 645         }
 646
 647         cs.MakeUpper();
 648
 649         if ( cs.Left(3) == wxT("ISO") )
 650         {
 651             // the dash is optional (or, to be exact, it is not, but
 652             // several broken programs "forget" it)
 653             const wxChar *p = cs.c_str() + 3;
 654             if ( *p == wxT('-') )
 655                 p++;
 656
 657             unsigned int value;
 658             if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
 659             {
 660                 // make it 0 based and check that it is strictly positive in
 661                 // the process (no such thing as iso8859-0 encoding)
 662                 if ( (value-- > 0) &&
 663                      (value < wxFONTENCODING_ISO8859_MAX -
 664                               wxFONTENCODING_ISO8859_1) )
 665                 {
 666                     // it's a valid ISO8859 encoding
 667                     value += wxFONTENCODING_ISO8859_1;
 668                     encoding = (wxFontEncoding)value;
 669                 }
 670             }
 671         }
 672         else if ( cs.Left(4) == wxT("8859") )
 673         {
 674             const wxChar *p = cs.c_str();
 675
 676             unsigned int value;
 677             if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
 678             {
 679                 // make it 0 based and check that it is strictly positive in
 680                 // the process (no such thing as iso8859-0 encoding)
 681                 if ( (value-- > 0) &&
 682                      (value < wxFONTENCODING_ISO8859_MAX -
 683                               wxFONTENCODING_ISO8859_1) )
 684                 {
 685                     // it's a valid ISO8859 encoding
 686                     value += wxFONTENCODING_ISO8859_1;
 687                     encoding = (wxFontEncoding)value;
 688                 }
 689             }
 690         }
 691         else // check for Windows charsets
 692         {
 693             size_t len;
 694             if ( cs.Left(7) == wxT("WINDOWS") )
 695             {
 696                 len = 7;
 697             }
 698             else if ( cs.Left(2) == wxT("CP") )
 699             {
 700                 len = 2;
 701             }
 702             else // not a Windows encoding
 703             {
 704                 len = 0;
 705             }
 706
 707             if ( len )
 708             {
 709                 const wxChar *p = cs.c_str() + len;
 710                 if ( *p == wxT('-') )
 711                     p++;
 712
 713                 unsigned int value;
 714                 if ( wxSscanf(p, wxT("%u"), &value) == 1 )
 715                 {
 716                     if ( value >= 1250 )
 717                     {
 718                         value -= 1250;
 719                         if ( value < wxFONTENCODING_CP12_MAX -
 720                                      wxFONTENCODING_CP1250 )
 721                         {
 722                             // a valid Windows code page
 723                             value += wxFONTENCODING_CP1250;
 724                             encoding = (wxFontEncoding)value;
 725                         }
 726                     }
 727
 728                     switch ( value )
 729                     {
 730                         case 866:
 731                             encoding = wxFONTENCODING_CP866;
 732                             break;
 733
 734                         case 874:
 735                             encoding = wxFONTENCODING_CP874;
 736                             break;
 737
 738                         case 932:
 739                             encoding = wxFONTENCODING_CP932;
 740                             break;
 741
 742                         case 936:
 743                             encoding = wxFONTENCODING_CP936;
 744                             break;
 745
 746                         case 949:
 747                             encoding = wxFONTENCODING_CP949;
 748                             break;
 749
 750                         case 950:
 751                             encoding = wxFONTENCODING_CP950;
 752                             break;
 753                     }
 754                 }
 755             }
 756         }
 757         //else: unknown
 758     }
 759
 760     return encoding;
 761 }
 762
 763 /* static */
 764 size_t wxFontMapperBase::GetSupportedEncodingsCount()
 765 {
 766     return WXSIZEOF(gs_encodings);
 767 }
 768
 769 /* static */
 770 wxFontEncoding wxFontMapperBase::GetEncoding(size_t n)
 771 {
 772     wxCHECK_MSG( n < WXSIZEOF(gs_encodings), wxFONTENCODING_SYSTEM,
 773                     wxT("wxFontMapper::GetEncoding(): invalid index") );
 774
 775     return gs_encodings[n];
 776 }
 777
 778 /* static */
 779 wxString wxFontMapperBase::GetEncodingDescription(wxFontEncoding encoding)
 780 {
 781     if ( encoding == wxFONTENCODING_DEFAULT )
 782     {
 783         return _("Default encoding");
 784     }
 785
 786     const size_t count = WXSIZEOF(gs_encodingDescs);
 787
 788     for ( size_t i = 0; i < count; i++ )
 789     {
 790         if ( gs_encodings[i] == encoding )
 791         {
 792             return wxGetTranslation(gs_encodingDescs[i]);
 793         }
 794     }
 795
 796     wxString str;
 797     str.Printf(_("Unknown encoding (%d)"), encoding);
 798
 799     return str;
 800 }
 801
 802 /* static */
 803 wxString wxFontMapperBase::GetEncodingName(wxFontEncoding encoding)
 804 {
 805     if ( encoding == wxFONTENCODING_DEFAULT )
 806     {
 807         return _("default");
 808     }
 809
 810     const size_t count = WXSIZEOF(gs_encodingNames);
 811
 812     for ( size_t i = 0; i < count; i++ )
 813     {
 814         if ( gs_encodings[i] == encoding )
 815         {
 816             return gs_encodingNames[i][0];
 817         }
 818     }
 819
 820     wxString str;
 821     str.Printf(_("unknown-%d"), encoding);
 822
 823     return str;
 824 }
 825
 826 /* static */
 827 const wxChar** wxFontMapperBase::GetAllEncodingNames(wxFontEncoding encoding)
 828 {
 829     static const wxChar* const dummy[] = { NULL };
 830
 831     for ( size_t i = 0; i < WXSIZEOF(gs_encodingNames); i++ )
 832     {
 833         if ( gs_encodings[i] == encoding )
 834         {
 835             return const_cast<const wxChar**>(gs_encodingNames[i]);
 836         }
 837     }
 838
 839     return const_cast<const wxChar**>(dummy);
 840 }
 841
 842 /* static */
 843 wxFontEncoding wxFontMapperBase::GetEncodingFromName(const wxString& name)
 844 {
 845     const size_t count = WXSIZEOF(gs_encodingNames);
 846
 847     for ( size_t i = 0; i < count; i++ )
 848     {
 849         for ( const wxChar* const* encName = gs_encodingNames[i]; *encName; ++encName )
 850         {
 851             if ( name.CmpNoCase(*encName) == 0 )
 852                 return gs_encodings[i];
 853         }
 854     }
 855
 856     return wxFONTENCODING_MAX;
 857 }
 858
 859 #endif // wxUSE_FONTMAP