src/common/fontcmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/fontcmn.cpp
   3 // Purpose:     implementation of wxFontBase methods
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     20.09.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   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 #include "wx/font.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/dc.h"
  31     #include "wx/intl.h"
  32     #include "wx/dcscreen.h"
  33     #include "wx/log.h"
  34     #include "wx/gdicmn.h"
  35 #endif // WX_PRECOMP
  36
  37 #if defined(__WXMSW__)
  38     #include  "wx/msw/private.h"  // includes windows.h for LOGFONT
  39     #include  "wx/msw/winundef.h"
  40 #endif
  41
  42 #include "wx/fontutil.h" // for wxNativeFontInfo
  43 #include "wx/fontmap.h"
  44 #include "wx/fontenum.h"
  45
  46 #include "wx/tokenzr.h"
  47
  48 // debugger helper: this function can be called from a debugger to show what
  49 // the date really is
  50 extern const char *wxDumpFont(const wxFont *font)
  51 {
  52     static char buf[256];
  53
  54     const wxFontWeight weight = font->GetWeight();
  55
  56     wxString s;
  57     s.Printf(wxS("%s-%s-%s-%d-%d"),
  58              font->GetFaceName(),
  59              weight == wxFONTWEIGHT_NORMAL
  60                 ? _T("normal")
  61                 : weight == wxFONTWEIGHT_BOLD
  62                     ? _T("bold")
  63                     : _T("light"),
  64              font->GetStyle() == wxFONTSTYLE_NORMAL
  65                 ? _T("regular")
  66                 : _T("italic"),
  67              font->GetPointSize(),
  68              font->GetEncoding());
  69
  70     wxStrlcpy(buf, s.mb_str(), WXSIZEOF(buf));
  71     return buf;
  72 }
  73
  74 // ============================================================================
  75 // implementation
  76 // ============================================================================
  77
  78 // ----------------------------------------------------------------------------
  79 // helper functions
  80 // ----------------------------------------------------------------------------
  81
  82 static inline int flags2Style(int flags)
  83 {
  84     return flags & wxFONTFLAG_ITALIC
  85                     ? wxFONTSTYLE_ITALIC
  86                     : flags & wxFONTFLAG_SLANT
  87                         ? wxFONTSTYLE_SLANT
  88                         : wxFONTSTYLE_NORMAL;
  89 }
  90
  91 static inline int flags2Weight(int flags)
  92 {
  93     return flags & wxFONTFLAG_LIGHT
  94                     ? wxFONTWEIGHT_LIGHT
  95                     : flags & wxFONTFLAG_BOLD
  96                         ? wxFONTWEIGHT_BOLD
  97                         : wxFONTWEIGHT_NORMAL;
  98 }
  99
 100 static inline bool flags2Underlined(int flags)
 101 {
 102     return (flags & wxFONTFLAG_UNDERLINED) != 0;
 103 }
 104
 105 // ----------------------------------------------------------------------------
 106 // wxFontBase
 107 // ----------------------------------------------------------------------------
 108
 109 wxFontEncoding wxFontBase::ms_encodingDefault = wxFONTENCODING_SYSTEM;
 110
 111 /* static */
 112 void wxFontBase::SetDefaultEncoding(wxFontEncoding encoding)
 113 {
 114     // GetDefaultEncoding() should return something != wxFONTENCODING_DEFAULT
 115     // and, besides, using this value here doesn't make any sense
 116     wxCHECK_RET( encoding != wxFONTENCODING_DEFAULT,
 117                  _T("can't set default encoding to wxFONTENCODING_DEFAULT") );
 118
 119     ms_encodingDefault = encoding;
 120 }
 121
 122 wxFontBase::~wxFontBase()
 123 {
 124     // this destructor is required for Darwin
 125 }
 126
 127 /* static */
 128 wxFont *wxFontBase::New(int size,
 129                         wxFontFamily family,
 130                         wxFontStyle style,
 131                         wxFontWeight weight,
 132                         bool underlined,
 133                         const wxString& face,
 134                         wxFontEncoding encoding)
 135 {
 136     return new wxFont(size, family, style, weight, underlined, face, encoding);
 137 }
 138
 139 /* static */
 140 wxFont *wxFontBase::New(const wxSize& pixelSize,
 141                         wxFontFamily family,
 142                         wxFontStyle style,
 143                         wxFontWeight weight,
 144                         bool underlined,
 145                         const wxString& face,
 146                         wxFontEncoding encoding)
 147 {
 148     return new wxFont(pixelSize, family, style, weight, underlined,
 149                       face, encoding);
 150 }
 151
 152 /* static */
 153 wxFont *wxFontBase::New(int pointSize,
 154                         wxFontFamily family,
 155                         int flags,
 156                         const wxString& face,
 157                         wxFontEncoding encoding)
 158 {
 159     return New(pointSize, family, flags2Style(flags), flags2Weight(flags),
 160                flags2Underlined(flags), face, encoding);
 161 }
 162
 163 /* static */
 164 wxFont *wxFontBase::New(const wxSize& pixelSize,
 165                         wxFontFamily family,
 166                         int flags,
 167                         const wxString& face,
 168                         wxFontEncoding encoding)
 169 {
 170     return New(pixelSize, family, flags2Style(flags), flags2Weight(flags),
 171                flags2Underlined(flags), face, encoding);
 172 }
 173
 174 /* static */
 175 wxFont *wxFontBase::New(const wxNativeFontInfo& info)
 176 {
 177     return new wxFont(info);
 178 }
 179
 180 /* static */
 181 wxFont *wxFontBase::New(const wxString& strNativeFontDesc)
 182 {
 183     wxNativeFontInfo fontInfo;
 184     if ( !fontInfo.FromString(strNativeFontDesc) )
 185         return new wxFont(*wxNORMAL_FONT);
 186
 187     return New(fontInfo);
 188 }
 189
 190 bool wxFontBase::IsFixedWidth() const
 191 {
 192     return GetFamily() == wxFONTFAMILY_TELETYPE;
 193 }
 194
 195 wxSize wxFontBase::GetPixelSize() const
 196 {
 197     wxScreenDC dc;
 198     dc.SetFont(*(wxFont *)this);
 199     return wxSize(dc.GetCharWidth(), dc.GetCharHeight());
 200 }
 201
 202 bool wxFontBase::IsUsingSizeInPixels() const
 203 {
 204     return false;
 205 }
 206
 207 void wxFontBase::SetPixelSize( const wxSize& pixelSize )
 208 {
 209     wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0,
 210                  "Negative values for the pixel size or zero pixel height are not allowed" );
 211
 212     wxScreenDC dc;
 213
 214     // NOTE: this algorithm for adjusting the font size is used by all
 215     //       implementations of wxFont except under wxMSW and wxGTK where
 216     //       native support to font creation using pixel-size is provided.
 217
 218     int largestGood = 0;
 219     int smallestBad = 0;
 220
 221     bool initialGoodFound = false;
 222     bool initialBadFound = false;
 223
 224     // NB: this assignment was separated from the variable definition
 225     // in order to fix a gcc v3.3.3 compiler crash
 226     int currentSize = GetPointSize();
 227     while (currentSize > 0)
 228     {
 229         dc.SetFont(*static_cast<wxFont*>(this));
 230
 231         // if currentSize (in points) results in a font that is smaller
 232         // than required by pixelSize it is considered a good size
 233         // NOTE: the pixel size width may be zero
 234         if (dc.GetCharHeight() <= pixelSize.GetHeight() &&
 235                 (pixelSize.GetWidth() == 0 ||
 236                  dc.GetCharWidth() <= pixelSize.GetWidth()))
 237         {
 238             largestGood = currentSize;
 239             initialGoodFound = true;
 240         }
 241         else
 242         {
 243             smallestBad = currentSize;
 244             initialBadFound = true;
 245         }
 246         if (!initialGoodFound)
 247         {
 248             currentSize /= 2;
 249         }
 250         else if (!initialBadFound)
 251         {
 252             currentSize *= 2;
 253         }
 254         else
 255         {
 256             int distance = smallestBad - largestGood;
 257             if (distance == 1)
 258                 break;
 259
 260             currentSize = largestGood + distance / 2;
 261         }
 262
 263         SetPointSize(currentSize);
 264     }
 265
 266     if (currentSize != largestGood)
 267         SetPointSize(largestGood);
 268 }
 269
 270 void wxFontBase::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 271 {
 272 #ifdef wxNO_NATIVE_FONTINFO
 273     SetPointSize(info.pointSize);
 274     SetFamily(info.family);
 275     SetStyle(info.style);
 276     SetWeight(info.weight);
 277     SetUnderlined(info.underlined);
 278     SetFaceName(info.faceName);
 279     SetEncoding(info.encoding);
 280 #else
 281     (void)info;
 282 #endif
 283 }
 284
 285 wxString wxFontBase::GetNativeFontInfoDesc() const
 286 {
 287     wxString fontDesc;
 288     const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
 289     if ( fontInfo )
 290     {
 291         fontDesc = fontInfo->ToString();
 292         wxASSERT_MSG(!fontDesc.empty(), wxT("This should be a non-empty string!"));
 293     }
 294     else
 295     {
 296         wxFAIL_MSG(wxT("Derived class should have created the wxNativeFontInfo!"));
 297     }
 298
 299     return fontDesc;
 300 }
 301
 302 wxString wxFontBase::GetNativeFontInfoUserDesc() const
 303 {
 304     wxString fontDesc;
 305     const wxNativeFontInfo *fontInfo = GetNativeFontInfo();
 306     if ( fontInfo )
 307     {
 308         fontDesc = fontInfo->ToUserString();
 309         wxASSERT_MSG(!fontDesc.empty(), wxT("This should be a non-empty string!"));
 310     }
 311     else
 312     {
 313         wxFAIL_MSG(wxT("Derived class should have created the wxNativeFontInfo!"));
 314     }
 315
 316     return fontDesc;
 317 }
 318
 319 bool wxFontBase::SetNativeFontInfo(const wxString& info)
 320 {
 321     wxNativeFontInfo fontInfo;
 322     if ( !info.empty() && fontInfo.FromString(info) )
 323     {
 324         SetNativeFontInfo(fontInfo);
 325         return true;
 326     }
 327
 328     return false;
 329 }
 330
 331 bool wxFontBase::SetNativeFontInfoUserDesc(const wxString& info)
 332 {
 333     wxNativeFontInfo fontInfo;
 334     if ( !info.empty() && fontInfo.FromUserString(info) )
 335     {
 336         SetNativeFontInfo(fontInfo);
 337         return true;
 338     }
 339
 340     return false;
 341 }
 342
 343 bool wxFontBase::operator==(const wxFont& font) const
 344 {
 345     // either it is the same font, i.e. they share the same common data or they
 346     // have different ref datas but still describe the same font
 347     return IsSameAs(font) ||
 348            (
 349             IsOk() == font.IsOk() &&
 350             GetPointSize() == font.GetPointSize() &&
 351             // in wxGTK1 GetPixelSize() calls GetInternalFont() which uses
 352             // operator==() resulting in infinite recursion so we can't use it
 353             // in that port
 354 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 355             GetPixelSize() == font.GetPixelSize() &&
 356 #endif
 357             GetFamily() == font.GetFamily() &&
 358             GetStyle() == font.GetStyle() &&
 359             GetWeight() == font.GetWeight() &&
 360             GetUnderlined() == font.GetUnderlined() &&
 361             GetFaceName().IsSameAs(font.GetFaceName(), false) &&
 362             GetEncoding() == font.GetEncoding()
 363            );
 364 }
 365
 366 wxString wxFontBase::GetFamilyString() const
 367 {
 368     wxCHECK_MSG( IsOk(), "wxFONTFAMILY_DEFAULT", "invalid font" );
 369
 370     switch ( GetFamily() )
 371     {
 372         case wxFONTFAMILY_DECORATIVE:   return "wxFONTFAMILY_DECORATIVE";
 373         case wxFONTFAMILY_ROMAN:        return "wxFONTFAMILY_ROMAN";
 374         case wxFONTFAMILY_SCRIPT:       return "wxFONTFAMILY_SCRIPT";
 375         case wxFONTFAMILY_SWISS:        return "wxFONTFAMILY_SWISS";
 376         case wxFONTFAMILY_MODERN:       return "wxFONTFAMILY_MODERN";
 377         case wxFONTFAMILY_TELETYPE:     return "wxFONTFAMILY_TELETYPE";
 378         default:                        return "wxFONTFAMILY_DEFAULT";
 379     }
 380 }
 381
 382 wxString wxFontBase::GetStyleString() const
 383 {
 384     wxCHECK_MSG( IsOk(), "wxFONTSTYLE_DEFAULT", "invalid font" );
 385
 386     switch ( GetStyle() )
 387     {
 388         case wxFONTSTYLE_NORMAL:   return "wxFONTSTYLE_NORMAL";
 389         case wxFONTSTYLE_SLANT:    return "wxFONTSTYLE_SLANT";
 390         case wxFONTSTYLE_ITALIC:   return "wxFONTSTYLE_ITALIC";
 391         default:                   return "wxFONTSTYLE_DEFAULT";
 392     }
 393 }
 394
 395 wxString wxFontBase::GetWeightString() const
 396 {
 397     wxCHECK_MSG( IsOk(), "wxFONTWEIGHT_DEFAULT", "invalid font" );
 398
 399     switch ( GetWeight() )
 400     {
 401         case wxFONTWEIGHT_NORMAL:   return "wxFONTWEIGHT_NORMAL";
 402         case wxFONTWEIGHT_BOLD:     return "wxFONTWEIGHT_BOLD";
 403         case wxFONTWEIGHT_LIGHT:    return "wxFONTWEIGHT_LIGHT";
 404         default:                    return "wxFONTWEIGHT_DEFAULT";
 405     }
 406 }
 407
 408 bool wxFontBase::SetFaceName(const wxString& facename)
 409 {
 410 #if wxUSE_FONTENUM
 411     if (!wxFontEnumerator::IsValidFacename(facename))
 412     {
 413         UnRef();        // make IsOk() return false
 414         return false;
 415     }
 416 #else // !wxUSE_FONTENUM
 417     wxUnusedVar(facename);
 418 #endif // wxUSE_FONTENUM/!wxUSE_FONTENUM
 419
 420     return true;
 421 }
 422
 423
 424 // ----------------------------------------------------------------------------
 425 // wxNativeFontInfo
 426 // ----------------------------------------------------------------------------
 427
 428 // Up to now, there are no native implementations of this function:
 429 void wxNativeFontInfo::SetFaceName(const wxArrayString& facenames)
 430 {
 431 #if wxUSE_FONTENUM
 432     for (size_t i=0; i < facenames.GetCount(); i++)
 433     {
 434         if (wxFontEnumerator::IsValidFacename(facenames[i]))
 435         {
 436             SetFaceName(facenames[i]);
 437             return;
 438         }
 439     }
 440
 441     // set the first valid facename we can find on this system
 442     wxString validfacename = wxFontEnumerator::GetFacenames().Item(0);
 443     wxLogTrace(wxT("font"), wxT("Falling back to '%s'"), validfacename.c_str());
 444     SetFaceName(validfacename);
 445 #else // !wxUSE_FONTENUM
 446     SetFaceName(facenames[0]);
 447 #endif // wxUSE_FONTENUM/!wxUSE_FONTENUM
 448 }
 449
 450
 451 #ifdef wxNO_NATIVE_FONTINFO
 452
 453 // These are the generic forms of FromString()/ToString.
 454 //
 455 // convert to/from the string representation: format is
 456 //      version;pointsize;family;style;weight;underlined;facename;encoding
 457
 458 bool wxNativeFontInfo::FromString(const wxString& s)
 459 {
 460     long l;
 461
 462     wxStringTokenizer tokenizer(s, _T(";"));
 463
 464     wxString token = tokenizer.GetNextToken();
 465     //
 466     //  Ignore the version for now
 467     //
 468
 469     token = tokenizer.GetNextToken();
 470     if ( !token.ToLong(&l) )
 471         return false;
 472     pointSize = (int)l;
 473
 474     token = tokenizer.GetNextToken();
 475     if ( !token.ToLong(&l) )
 476         return false;
 477     family = (wxFontFamily)l;
 478
 479     token = tokenizer.GetNextToken();
 480     if ( !token.ToLong(&l) )
 481         return false;
 482     style = (wxFontStyle)l;
 483
 484     token = tokenizer.GetNextToken();
 485     if ( !token.ToLong(&l) )
 486         return false;
 487     weight = (wxFontWeight)l;
 488
 489     token = tokenizer.GetNextToken();
 490     if ( !token.ToLong(&l) )
 491         return false;
 492     underlined = l != 0;
 493
 494     faceName = tokenizer.GetNextToken();
 495
 496 #ifndef __WXMAC__
 497     if( !faceName )
 498         return false;
 499 #endif
 500
 501     token = tokenizer.GetNextToken();
 502     if ( !token.ToLong(&l) )
 503         return false;
 504     encoding = (wxFontEncoding)l;
 505
 506     return true;
 507 }
 508
 509 wxString wxNativeFontInfo::ToString() const
 510 {
 511     wxString s;
 512
 513     s.Printf(_T("%d;%d;%d;%d;%d;%d;%s;%d"),
 514              0,                                 // version
 515              pointSize,
 516              family,
 517              (int)style,
 518              (int)weight,
 519              underlined,
 520              faceName.GetData(),
 521              (int)encoding);
 522
 523     return s;
 524 }
 525
 526 void wxNativeFontInfo::Init()
 527 {
 528     pointSize = 0;
 529     family = wxFONTFAMILY_DEFAULT;
 530     style = wxFONTSTYLE_NORMAL;
 531     weight = wxFONTWEIGHT_NORMAL;
 532     underlined = false;
 533     faceName.clear();
 534     encoding = wxFONTENCODING_DEFAULT;
 535 }
 536
 537 int wxNativeFontInfo::GetPointSize() const
 538 {
 539     return pointSize;
 540 }
 541
 542 wxFontStyle wxNativeFontInfo::GetStyle() const
 543 {
 544     return style;
 545 }
 546
 547 wxFontWeight wxNativeFontInfo::GetWeight() const
 548 {
 549     return weight;
 550 }
 551
 552 bool wxNativeFontInfo::GetUnderlined() const
 553 {
 554     return underlined;
 555 }
 556
 557 wxString wxNativeFontInfo::GetFaceName() const
 558 {
 559     return faceName;
 560 }
 561
 562 wxFontFamily wxNativeFontInfo::GetFamily() const
 563 {
 564     return family;
 565 }
 566
 567 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 568 {
 569     return encoding;
 570 }
 571
 572 void wxNativeFontInfo::SetPointSize(int pointsize)
 573 {
 574     pointSize = pointsize;
 575 }
 576
 577 void wxNativeFontInfo::SetStyle(wxFontStyle style_)
 578 {
 579     style = style_;
 580 }
 581
 582 void wxNativeFontInfo::SetWeight(wxFontWeight weight_)
 583 {
 584     weight = weight_;
 585 }
 586
 587 void wxNativeFontInfo::SetUnderlined(bool underlined_)
 588 {
 589     underlined = underlined_;
 590 }
 591
 592 bool wxNativeFontInfo::SetFaceName(const wxString& facename_)
 593 {
 594     faceName = facename_;
 595     return true;
 596 }
 597
 598 void wxNativeFontInfo::SetFamily(wxFontFamily family_)
 599 {
 600     family = family_;
 601 }
 602
 603 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding_)
 604 {
 605     encoding = encoding_;
 606 }
 607
 608 #endif // generic wxNativeFontInfo implementation
 609
 610 // conversion to/from user-readable string: this is used in the generic
 611 // versions and under MSW as well because there is no standard font description
 612 // format there anyhow (but there is a well-defined standard for X11 fonts used
 613 // by wxGTK and wxMotif)
 614
 615 #if defined(wxNO_NATIVE_FONTINFO) || defined(__WXMSW__) || defined (__WXPM__) || defined(__WXOSX__)
 616
 617 wxString wxNativeFontInfo::ToUserString() const
 618 {
 619     wxString desc;
 620
 621     // first put the adjectives, if any - this is English-centric, of course,
 622     // but what else can we do?
 623     if ( GetUnderlined() )
 624     {
 625         desc << _("underlined");
 626     }
 627
 628     switch ( GetWeight() )
 629     {
 630         default:
 631             wxFAIL_MSG( _T("unknown font weight") );
 632             // fall through
 633
 634         case wxFONTWEIGHT_NORMAL:
 635             break;
 636
 637         case wxFONTWEIGHT_LIGHT:
 638             desc << _(" light");
 639             break;
 640
 641         case wxFONTWEIGHT_BOLD:
 642             desc << _(" bold");
 643             break;
 644     }
 645
 646     switch ( GetStyle() )
 647     {
 648         default:
 649             wxFAIL_MSG( _T("unknown font style") );
 650             // fall through
 651
 652         case wxFONTSTYLE_NORMAL:
 653             break;
 654
 655             // we don't distinguish between the two for now anyhow...
 656         case wxFONTSTYLE_ITALIC:
 657         case wxFONTSTYLE_SLANT:
 658             desc << _(" italic");
 659             break;
 660     }
 661
 662     wxString face = GetFaceName();
 663     if ( !face.empty() )
 664     {
 665         if (face.Contains(' ') || face.Contains(';') || face.Contains(','))
 666         {
 667             face.Replace("'", "");
 668                 // eventually remove quote characters: most systems do not
 669                 // allow them in a facename anyway so this usually does nothing
 670
 671             // make it possible for FromUserString() function to understand
 672             // that the different words which compose this facename are
 673             // not different adjectives or other data but rather all parts
 674             // of the facename
 675             desc << _T(" '") << face << _("'");
 676         }
 677         else
 678             desc << _T(' ') << face;
 679     }
 680
 681     int size = GetPointSize();
 682     if ( size != wxNORMAL_FONT->GetPointSize() )
 683     {
 684         desc << _T(' ') << size;
 685     }
 686
 687 #if wxUSE_FONTMAP
 688     wxFontEncoding enc = GetEncoding();
 689     if ( enc != wxFONTENCODING_DEFAULT && enc != wxFONTENCODING_SYSTEM )
 690     {
 691         desc << _T(' ') << wxFontMapper::GetEncodingName(enc);
 692     }
 693 #endif // wxUSE_FONTMAP
 694
 695     return desc.Strip(wxString::both).MakeLower();
 696 }
 697
 698 bool wxNativeFontInfo::FromUserString(const wxString& s)
 699 {
 700     // reset to the default state
 701     Init();
 702
 703     // ToUserString() will quote the facename if it contains spaces, commas
 704     // or semicolons: we must be able to understand that quoted text is
 705     // a single token:
 706     wxString toparse(s);
 707     /*
 708     wxString::iterator i = toparse.find("'");
 709     if (i != wxString::npos)
 710     {
 711         for (; *i != '\'' && *i != toparse.end(); i++)
 712             ;
 713     }*/
 714
 715     // parse a more or less free form string
 716     wxStringTokenizer tokenizer(toparse, _T(";, "), wxTOKEN_STRTOK);
 717
 718     wxString face;
 719     unsigned long size;
 720     bool weightfound = false, pointsizefound = false;
 721 #if wxUSE_FONTMAP
 722     bool encodingfound = false;
 723 #endif
 724     bool insideQuotes = false;
 725
 726     while ( tokenizer.HasMoreTokens() )
 727     {
 728         wxString token = tokenizer.GetNextToken();
 729
 730         // normalize it
 731         token.Trim(true).Trim(false).MakeLower();
 732         if (insideQuotes)
 733         {
 734             if (token.StartsWith("'") ||
 735                 token.EndsWith("'"))
 736             {
 737                 insideQuotes = false;
 738
 739                 // add this last token to the facename:
 740                 face += " " + token;
 741
 742                 // normalize facename:
 743                 face = face.Trim(true).Trim(false);
 744                 face.Replace("'", "");
 745
 746                 continue;
 747             }
 748         }
 749         else
 750         {
 751             if (token.StartsWith("'"))
 752                 insideQuotes = true;
 753         }
 754
 755         // look for the known tokens
 756         if ( insideQuotes )
 757         {
 758             // only the facename may be quoted:
 759             face += " " + token;
 760             continue;
 761         }
 762         if ( token == _T("underlined") || token == _("underlined") )
 763         {
 764             SetUnderlined(true);
 765         }
 766         else if ( token == _T("light") || token == _("light") )
 767         {
 768             SetWeight(wxFONTWEIGHT_LIGHT);
 769             weightfound = true;
 770         }
 771         else if ( token == _T("bold") || token == _("bold") )
 772         {
 773             SetWeight(wxFONTWEIGHT_BOLD);
 774             weightfound = true;
 775         }
 776         else if ( token == _T("italic") || token == _("italic") )
 777         {
 778             SetStyle(wxFONTSTYLE_ITALIC);
 779         }
 780         else if ( token.ToULong(&size) )
 781         {
 782             SetPointSize(size);
 783             pointsizefound = true;
 784         }
 785         else
 786         {
 787 #if wxUSE_FONTMAP
 788             // try to interpret this as an encoding
 789             wxFontEncoding encoding = wxFontMapper::Get()->CharsetToEncoding(token, false);
 790             if ( encoding != wxFONTENCODING_DEFAULT &&
 791                  encoding != wxFONTENCODING_SYSTEM )    // returned when the recognition failed
 792         {
 793             SetEncoding(encoding);
 794                 encodingfound = true;
 795         }
 796             else
 797         {
 798 #endif // wxUSE_FONTMAP
 799
 800                 // assume it is the face name
 801             if ( !face.empty() )
 802             {
 803                 face += _T(' ');
 804             }
 805
 806             face += token;
 807
 808             // skip the code which resets face below
 809             continue;
 810
 811 #if wxUSE_FONTMAP
 812         }
 813 #endif // wxUSE_FONTMAP
 814         }
 815
 816         // if we had had the facename, we shouldn't continue appending tokens
 817         // to it (i.e. "foo bold bar" shouldn't result in the facename "foo
 818         // bar")
 819         if ( !face.empty() )
 820         {
 821             // NB: the check on the facename is implemented in wxFontBase::SetFaceName
 822             //     and not in wxNativeFontInfo::SetFaceName thus we need to explicitely
 823             //     call here wxFontEnumerator::IsValidFacename
 824             if (
 825 #if wxUSE_FONTENUM
 826                     !wxFontEnumerator::IsValidFacename(face) ||
 827 #endif // wxUSE_FONTENUM
 828                     !SetFaceName(face) )
 829             {
 830                 SetFaceName(wxNORMAL_FONT->GetFaceName());
 831             }
 832
 833             face.clear();
 834         }
 835     }
 836
 837     // we might not have flushed it inside the loop
 838     if ( !face.empty() )
 839     {
 840         // NB: the check on the facename is implemented in wxFontBase::SetFaceName
 841         //     and not in wxNativeFontInfo::SetFaceName thus we need to explicitely
 842         //     call here wxFontEnumerator::IsValidFacename
 843         if (
 844 #if wxUSE_FONTENUM
 845                 !wxFontEnumerator::IsValidFacename(face) ||
 846 #endif // wxUSE_FONTENUM
 847                 !SetFaceName(face) )
 848             {
 849                 SetFaceName(wxNORMAL_FONT->GetFaceName());
 850             }
 851     }
 852
 853     // set point size to default value if size was not given
 854     if ( !pointsizefound )
 855         SetPointSize(wxNORMAL_FONT->GetPointSize());
 856
 857     // set font weight to default value if weight was not given
 858     if ( !weightfound )
 859         SetWeight(wxFONTWEIGHT_NORMAL);
 860
 861 #if wxUSE_FONTMAP
 862     // set font encoding to default value if encoding was not given
 863     if ( !encodingfound )
 864         SetEncoding(wxFONTENCODING_SYSTEM);
 865 #endif // wxUSE_FONTMAP
 866
 867     return true;
 868 }
 869
 870 #endif // generic or wxMSW or wxOS2
 871
 872
 873 // wxFont <-> wxString utilities, used by wxConfig
 874 wxString wxToString(const wxFontBase& font)
 875 {
 876     return font.IsOk() ? font.GetNativeFontInfoDesc()
 877                        : wxString();
 878 }
 879
 880 bool wxFromString(const wxString& str, wxFontBase *font)
 881 {
 882     wxCHECK_MSG( font, false, _T("NULL output parameter") );
 883
 884     if ( str.empty() )
 885     {
 886         *font = wxNullFont;
 887         return true;
 888     }
 889
 890     return font->SetNativeFontInfo(str);
 891 }
 892
 893