src/x11/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 // ============================================================================
  16 // declarations
  17 // ============================================================================
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22
  23 #ifdef __VMS
  24 #pragma message disable nosimpint
  25 #include "wx/vms_x_fix.h"
  26 #endif
  27
  28 #ifdef __VMS
  29 #pragma message enable nosimpint
  30 #endif
  31
  32 #include "wx/font.h"
  33
  34 #ifndef WX_PRECOMP
  35     #include "wx/string.h"
  36     #include "wx/utils.h"       // for wxGetDisplay()
  37     #include "wx/settings.h"
  38     #include "wx/gdicmn.h"
  39 #endif
  40
  41 #include "wx/fontutil.h"    // for wxNativeFontInfo
  42 #include "wx/tokenzr.h"
  43
  44 #include "wx/x11/private.h"
  45
  46 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  47
  48 // ----------------------------------------------------------------------------
  49 // constants
  50 // ----------------------------------------------------------------------------
  51
  52 // the default size (in points) for the fonts
  53 static const int wxDEFAULT_FONT_SIZE = 12;
  54
  55
  56 #if wxUSE_UNICODE
  57 #else
  58 // ----------------------------------------------------------------------------
  59 // wxXFont
  60 // ----------------------------------------------------------------------------
  61
  62 // For every wxFont, there must be a font for each display and scale requested.
  63 // So these objects are stored in wxFontRefData::m_fonts
  64 class wxXFont : public wxObject
  65 {
  66 public:
  67     wxXFont();
  68     virtual ~wxXFont();
  69
  70     WXFontStructPtr     m_fontStruct;   // XFontStruct
  71     WXDisplay*          m_display;      // XDisplay
  72     int                 m_scale;        // Scale * 100
  73 };
  74
  75 wxXFont::wxXFont()
  76 {
  77     m_fontStruct = (WXFontStructPtr) 0;
  78     m_display = (WXDisplay*) 0;
  79     m_scale = 100;
  80 }
  81
  82 wxXFont::~wxXFont()
  83 {
  84     // Freeing the font used to produce a segv, but
  85     // appears to be OK now (bug fix in X11?)
  86     XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
  87     XFreeFont((Display*) m_display, fontStruct);
  88 }
  89 #endif
  90
  91 // ----------------------------------------------------------------------------
  92 // wxFontRefData
  93 // ----------------------------------------------------------------------------
  94
  95 class wxFontRefData: public wxObjectRefData
  96 {
  97 friend class wxFont;
  98
  99 public:
 100     wxFontRefData(int size = wxDEFAULT,
 101                   int family = wxDEFAULT,
 102                   int style = wxDEFAULT,
 103                   int weight = wxDEFAULT,
 104                   bool underlined = false,
 105                   const wxString& faceName = wxEmptyString,
 106                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 107
 108     // copy cstr
 109     wxFontRefData(const wxFontRefData& data);
 110
 111     // from XFLD
 112     wxFontRefData(const wxString& fontname);
 113
 114     // dstr
 115     virtual ~wxFontRefData();
 116
 117     // setters: all of them also take care to modify m_nativeFontInfo if we
 118     // have it so as to not lose the information not carried by our fields
 119     void SetPointSize(int pointSize);
 120     void SetFamily(int family);
 121     void SetStyle(int style);
 122     void SetWeight(int weight);
 123     void SetUnderlined(bool underlined);
 124     bool SetFaceName(const wxString& facename);
 125     void SetEncoding(wxFontEncoding encoding);
 126
 127     void SetNoAntiAliasing( bool no = true ) { m_noAA = no; }
 128     bool GetNoAntiAliasing() const { return m_noAA; }
 129
 130     // and this one also modifies all the other font data fields
 131     void SetNativeFontInfo(const wxNativeFontInfo& info);
 132
 133 protected:
 134     // common part of all ctors
 135     void Init(int size,
 136               int family,
 137               int style,
 138               int weight,
 139               bool underlined,
 140               const wxString& faceName,
 141               wxFontEncoding encoding);
 142
 143     // set all fields from (already initialized and valid) m_nativeFontInfo
 144     void InitFromNative();
 145
 146     // font attributes
 147     int           m_pointSize;
 148     int           m_family;
 149     int           m_style;
 150     int           m_weight;
 151     bool          m_underlined;
 152     wxString      m_faceName;
 153     wxFontEncoding m_encoding;   // Unused in Unicode mode
 154     bool            m_noAA;      // No anti-aliasing
 155
 156     wxNativeFontInfo m_nativeFontInfo;
 157
 158     void ClearX11Fonts();
 159
 160 #if wxUSE_UNICODE
 161 #else
 162     // A list of wxXFonts
 163     wxList        m_fonts;
 164 #endif
 165 };
 166
 167 // ----------------------------------------------------------------------------
 168 // wxFontRefData
 169 // ----------------------------------------------------------------------------
 170
 171 void wxFontRefData::Init(int pointSize,
 172                          int family,
 173                          int style,
 174                          int weight,
 175                          bool underlined,
 176                          const wxString& faceName,
 177                          wxFontEncoding encoding)
 178 {
 179     m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
 180
 181     m_faceName = faceName;
 182
 183     // we accept both wxDEFAULT and wxNORMAL here - should we?
 184     m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
 185     m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 186
 187     // and here, do we really want to forbid creation of the font of the size
 188     // 90 (the value of wxDEFAULT)??
 189     m_pointSize = pointSize == wxDEFAULT || pointSize == -1
 190                     ? wxDEFAULT_FONT_SIZE
 191                     : pointSize;
 192
 193     m_underlined = underlined;
 194     m_encoding = encoding;
 195
 196 #if wxUSE_UNICODE
 197     // Create native font info
 198     m_nativeFontInfo.description = pango_font_description_new();
 199
 200     // And set its values
 201     switch (m_family)
 202     {
 203         case wxFONTFAMILY_MODERN:
 204         case wxFONTFAMILY_TELETYPE:
 205            pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
 206            break;
 207         case wxFONTFAMILY_ROMAN:
 208            pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
 209            break;
 210         default:
 211            pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
 212            break;
 213     }
 214     SetStyle( m_style );
 215     SetPointSize( m_pointSize );
 216     SetWeight( m_weight );
 217 #endif
 218 }
 219
 220 void wxFontRefData::InitFromNative()
 221 {
 222     m_noAA = false;
 223
 224 #if wxUSE_UNICODE
 225     // Get native info
 226     PangoFontDescription *desc = m_nativeFontInfo.description;
 227
 228     // init fields
 229     m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) );
 230
 231     m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE;
 232
 233     switch (pango_font_description_get_style( desc ))
 234     {
 235         case PANGO_STYLE_NORMAL:
 236             m_style = wxFONTSTYLE_NORMAL;
 237             break;
 238         case PANGO_STYLE_ITALIC:
 239             m_style = wxFONTSTYLE_ITALIC;
 240             break;
 241         case PANGO_STYLE_OBLIQUE:
 242             m_style = wxFONTSTYLE_SLANT;
 243             break;
 244     }
 245
 246     switch (pango_font_description_get_weight( desc ))
 247     {
 248         case PANGO_WEIGHT_ULTRALIGHT:
 249             m_weight = wxFONTWEIGHT_LIGHT;
 250             break;
 251         case PANGO_WEIGHT_LIGHT:
 252             m_weight = wxFONTWEIGHT_LIGHT;
 253             break;
 254         case PANGO_WEIGHT_NORMAL:
 255             m_weight = wxFONTWEIGHT_NORMAL;
 256             break;
 257         case PANGO_WEIGHT_BOLD:
 258             m_weight = wxFONTWEIGHT_BOLD;
 259             break;
 260         case PANGO_WEIGHT_ULTRABOLD:
 261             m_weight = wxFONTWEIGHT_BOLD;
 262             break;
 263         case PANGO_WEIGHT_HEAVY:
 264             m_weight = wxFONTWEIGHT_BOLD;
 265             break;
 266     }
 267
 268     if (m_faceName == wxT("monospace"))
 269     {
 270         m_family = wxFONTFAMILY_TELETYPE;
 271     }
 272     else if (m_faceName == wxT("sans"))
 273     {
 274         m_family = wxFONTFAMILY_SWISS;
 275     }
 276     else
 277     {
 278         m_family = wxFONTFAMILY_UNKNOWN;
 279     }
 280
 281     // Pango description are never underlined (?)
 282     m_underlined = false;
 283
 284     // Cannot we choose that
 285     m_encoding = wxFONTENCODING_SYSTEM;
 286 #else // X11
 287     // get the font parameters from the XLFD
 288     // -------------------------------------
 289
 290     m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
 291
 292     m_weight = wxFONTWEIGHT_NORMAL;
 293
 294     wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
 295     if ( !w.empty() && w != _T('*') )
 296     {
 297         // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
 298         // and BLACK
 299         if ( ((w[0u] == _T('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) ||
 300                                    !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) ||
 301              wxStrstr(w.c_str() + 1, _T("BOLD")) )
 302         {
 303             m_weight = wxFONTWEIGHT_BOLD;
 304         }
 305         else if ( w == _T("LIGHT") || w == _T("THIN") )
 306         {
 307             m_weight = wxFONTWEIGHT_LIGHT;
 308         }
 309     }
 310
 311     switch ( wxToupper(*m_nativeFontInfo.
 312                             GetXFontComponent(wxXLFD_SLANT).c_str()) )
 313     {
 314         case _T('I'):   // italique
 315             m_style = wxFONTSTYLE_ITALIC;
 316             break;
 317
 318         case _T('O'):   // oblique
 319             m_style = wxFONTSTYLE_SLANT;
 320             break;
 321
 322         default:
 323             m_style = wxFONTSTYLE_NORMAL;
 324     }
 325
 326     long ptSize;
 327     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) )
 328     {
 329         // size in XLFD is in 10 point units
 330         m_pointSize = (int)(ptSize / 10);
 331     }
 332     else
 333     {
 334         m_pointSize = wxDEFAULT_FONT_SIZE;
 335     }
 336
 337     // examine the spacing: if the font is monospaced, assume wxTELETYPE
 338     // family for compatibility with the old code which used it instead of
 339     // IsFixedWidth()
 340     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') )
 341     {
 342         m_family = wxFONTFAMILY_TELETYPE;
 343     }
 344     else // not monospaceed
 345     {
 346         // don't even try guessing it, it doesn't work for too many fonts
 347         // anyhow
 348         m_family = wxFONTFAMILY_UNKNOWN;
 349     }
 350
 351     // X fonts are never underlined...
 352     m_underlined = false;
 353
 354     // deal with font encoding
 355     wxString
 356         registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(),
 357         encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper();
 358
 359     if ( registry == _T("ISO8859") )
 360     {
 361         int cp;
 362         if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 363         {
 364             m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 365         }
 366     }
 367     else if ( registry == _T("MICROSOFT") )
 368     {
 369         int cp;
 370         if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 371         {
 372             m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 373         }
 374     }
 375     else if ( registry == _T("KOI8") )
 376     {
 377         m_encoding = wxFONTENCODING_KOI8;
 378     }
 379     else // unknown encoding
 380     {
 381         // may be give a warning here? or use wxFontMapper?
 382         m_encoding = wxFONTENCODING_SYSTEM;
 383     }
 384 #endif // Pango/X11
 385 }
 386
 387 wxFontRefData::wxFontRefData( const wxFontRefData& data )
 388              : wxObjectRefData()
 389 {
 390     m_pointSize = data.m_pointSize;
 391     m_family = data.m_family;
 392     m_style = data.m_style;
 393     m_weight = data.m_weight;
 394
 395     m_underlined = data.m_underlined;
 396
 397     m_faceName = data.m_faceName;
 398     m_encoding = data.m_encoding;
 399
 400     m_noAA = data.m_noAA;
 401
 402     m_nativeFontInfo = data.m_nativeFontInfo;
 403 }
 404
 405 wxFontRefData::wxFontRefData(int size, int family, int style,
 406                              int weight, bool underlined,
 407                              const wxString& faceName,
 408                              wxFontEncoding encoding)
 409 {
 410     Init(size, family, style, weight, underlined, faceName, encoding);
 411 }
 412
 413 wxFontRefData::wxFontRefData(const wxString& fontname)
 414 {
 415     // VZ: FromString() should really work in both cases, doesn't it?
 416 #if wxUSE_UNICODE
 417     m_nativeFontInfo.FromString( fontname );
 418 #else
 419     m_nativeFontInfo.SetXFontName(fontname);
 420 #endif
 421
 422     InitFromNative();
 423 }
 424
 425 void wxFontRefData::ClearX11Fonts()
 426 {
 427 #if wxUSE_UNICODE
 428 #else
 429     wxList::compatibility_iterator node = m_fonts.GetFirst();
 430     while (node)
 431     {
 432         wxXFont* f = (wxXFont*) node->GetData();
 433         delete f;
 434         node = node->GetNext();
 435     }
 436     m_fonts.Clear();
 437 #endif
 438 }
 439
 440 wxFontRefData::~wxFontRefData()
 441 {
 442     ClearX11Fonts();
 443 }
 444
 445 // ----------------------------------------------------------------------------
 446 // wxFontRefData SetXXX()
 447 // ----------------------------------------------------------------------------
 448
 449 void wxFontRefData::SetPointSize(int pointSize)
 450 {
 451     m_pointSize = pointSize;
 452
 453 #if wxUSE_UNICODE
 454     // Get native info
 455     PangoFontDescription *desc = m_nativeFontInfo.description;
 456
 457     pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
 458 #endif
 459 }
 460
 461 void wxFontRefData::SetFamily(int family)
 462 {
 463     m_family = family;
 464
 465     // TODO: what are we supposed to do with m_nativeFontInfo here?
 466 }
 467
 468 void wxFontRefData::SetStyle(int style)
 469 {
 470     m_style = style;
 471
 472 #if wxUSE_UNICODE
 473     // Get native info
 474     PangoFontDescription *desc = m_nativeFontInfo.description;
 475
 476     switch ( style )
 477     {
 478         case wxFONTSTYLE_ITALIC:
 479             pango_font_description_set_style( desc, PANGO_STYLE_ITALIC );
 480             break;
 481         case wxFONTSTYLE_SLANT:
 482             pango_font_description_set_style( desc, PANGO_STYLE_OBLIQUE );
 483             break;
 484         default:
 485             wxFAIL_MSG( _T("unknown font style") );
 486             // fall through
 487         case wxFONTSTYLE_NORMAL:
 488             pango_font_description_set_style( desc, PANGO_STYLE_NORMAL );
 489             break;
 490     }
 491 #endif
 492 }
 493
 494 void wxFontRefData::SetWeight(int weight)
 495 {
 496     m_weight = weight;
 497 }
 498
 499 void wxFontRefData::SetUnderlined(bool underlined)
 500 {
 501     m_underlined = underlined;
 502
 503     // the XLFD doesn't have "underlined" field anyhow
 504 }
 505
 506 bool wxFontRefData::SetFaceName(const wxString& facename)
 507 {
 508     m_faceName = facename;
 509     return true;
 510 }
 511
 512 void wxFontRefData::SetEncoding(wxFontEncoding encoding)
 513 {
 514     m_encoding = encoding;
 515 }
 516
 517 void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
 518 {
 519     // previously cached fonts shouldn't be used
 520     ClearX11Fonts();
 521
 522     m_nativeFontInfo = info;
 523
 524     // set all the other font parameters from the native font info
 525     InitFromNative();
 526 }
 527
 528 // ----------------------------------------------------------------------------
 529 // wxFont
 530 // ----------------------------------------------------------------------------
 531
 532 wxFont::wxFont(const wxNativeFontInfo& info)
 533 {
 534 #if wxUSE_UNICODE
 535     Create( info.GetPointSize(),
 536             info.GetFamily(),
 537             info.GetStyle(),
 538             info.GetWeight(),
 539             info.GetUnderlined(),
 540             info.GetFaceName(),
 541             info.GetEncoding() );
 542 #else
 543     (void) Create(info.GetXFontName());
 544 #endif
 545 }
 546
 547 bool wxFont::Create(int pointSize,
 548                     int family,
 549                     int style,
 550                     int weight,
 551                     bool underlined,
 552                     const wxString& faceName,
 553                     wxFontEncoding encoding)
 554 {
 555     UnRef();
 556
 557     m_refData = new wxFontRefData(pointSize, family, style, weight,
 558                                   underlined, faceName, encoding);
 559
 560     return true;
 561 }
 562
 563 #if !wxUSE_UNICODE
 564
 565 bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
 566 {
 567     if( !fontname )
 568     {
 569         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
 570         return true;
 571     }
 572
 573     m_refData = new wxFontRefData();
 574
 575     M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname);  // X font name
 576
 577     wxString tmp;
 578
 579     wxStringTokenizer tn( fontname, wxT("-") );
 580
 581     tn.GetNextToken();                           // skip initial empty token
 582     tn.GetNextToken();                           // foundry
 583
 584
 585     M_FONTDATA->m_faceName = tn.GetNextToken();  // family
 586
 587     tmp = tn.GetNextToken().MakeUpper();         // weight
 588     if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
 589     if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
 590     if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 591     if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
 592     if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 593
 594     if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
 595     if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
 596
 597     tmp = tn.GetNextToken().MakeUpper();        // slant
 598     if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
 599     if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
 600
 601     tn.GetNextToken();                           // set width
 602     tn.GetNextToken();                           // add. style
 603     tn.GetNextToken();                           // pixel size
 604
 605     tmp = tn.GetNextToken();                     // pointsize
 606     if (tmp != wxT("*"))
 607     {
 608         long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
 609         M_FONTDATA->m_pointSize = (int)(num / 10);
 610     }
 611
 612     tn.GetNextToken();                           // x-res
 613     tn.GetNextToken();                           // y-res
 614
 615     tmp = tn.GetNextToken().MakeUpper();         // spacing
 616
 617     if (tmp == wxT("M"))
 618         M_FONTDATA->m_family = wxMODERN;
 619     else if (M_FONTDATA->m_faceName == wxT("TIMES"))
 620         M_FONTDATA->m_family = wxROMAN;
 621     else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
 622         M_FONTDATA->m_family = wxSWISS;
 623     else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
 624         M_FONTDATA->m_family = wxTELETYPE;
 625     else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
 626         M_FONTDATA->m_family = wxDECORATIVE;
 627     else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
 628         M_FONTDATA->m_family = wxSCRIPT;
 629
 630     tn.GetNextToken();                           // avg width
 631
 632     // deal with font encoding
 633     M_FONTDATA->m_encoding = enc;
 634     if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
 635     {
 636         wxString registry = tn.GetNextToken().MakeUpper(),
 637                  encoding = tn.GetNextToken().MakeUpper();
 638
 639         if ( registry == _T("ISO8859") )
 640         {
 641             int cp;
 642             if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 643             {
 644                 M_FONTDATA->m_encoding =
 645                     (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 646             }
 647         }
 648         else if ( registry == _T("MICROSOFT") )
 649         {
 650             int cp;
 651             if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 652             {
 653                 M_FONTDATA->m_encoding =
 654                     (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 655             }
 656         }
 657         else if ( registry == _T("KOI8") )
 658         {
 659             M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
 660         }
 661         //else: unknown encoding - may be give a warning here?
 662         else
 663             return false;
 664     }
 665     return true;
 666 }
 667 #endif // !wxUSE_UNICODE
 668
 669 wxFont::~wxFont()
 670 {
 671 }
 672
 673 // ----------------------------------------------------------------------------
 674 // change the font attributes
 675 // ----------------------------------------------------------------------------
 676
 677 void wxFont::Unshare()
 678 {
 679     // Don't change shared data
 680     if (!m_refData)
 681     {
 682         m_refData = new wxFontRefData();
 683     }
 684     else
 685     {
 686         wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
 687         UnRef();
 688         m_refData = ref;
 689     }
 690 }
 691
 692 // ----------------------------------------------------------------------------
 693 // accessors
 694 // ----------------------------------------------------------------------------
 695
 696 int wxFont::GetPointSize() const
 697 {
 698     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 699
 700     return M_FONTDATA->m_pointSize;
 701 }
 702
 703 wxString wxFont::GetFaceName() const
 704 {
 705     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 706
 707     return M_FONTDATA->m_faceName;
 708 }
 709
 710 int wxFont::GetFamily() const
 711 {
 712     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 713
 714     return M_FONTDATA->m_family;
 715 }
 716
 717 int wxFont::GetStyle() const
 718 {
 719     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 720
 721     return M_FONTDATA->m_style;
 722 }
 723
 724 int wxFont::GetWeight() const
 725 {
 726     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 727
 728     return M_FONTDATA->m_weight;
 729 }
 730
 731 bool wxFont::GetUnderlined() const
 732 {
 733     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 734
 735     return M_FONTDATA->m_underlined;
 736 }
 737
 738 wxFontEncoding wxFont::GetEncoding() const
 739 {
 740     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 741
 742     return M_FONTDATA->m_encoding;
 743 }
 744
 745 bool wxFont::GetNoAntiAliasing() const
 746 {
 747     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 748
 749     return M_FONTDATA->m_noAA;
 750 }
 751
 752 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 753 {
 754     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 755
 756 #if wxUSE_UNICODE
 757 #else
 758     if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
 759         GetInternalFont();
 760 #endif
 761
 762     return &(M_FONTDATA->m_nativeFontInfo);
 763 }
 764
 765 bool wxFont::IsFixedWidth() const
 766 {
 767     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 768
 769 #if wxUSE_UNICODE
 770    return wxFontBase::IsFixedWidth();
 771 #else
 772     // Robert, is this right? HasNativeFont doesn't exist.
 773     if ( true )
 774     //    if ( M_FONTDATA->HasNativeFont() )
 775     {
 776         // the monospace fonts are supposed to have "M" in the spacing field
 777         wxString spacing = M_FONTDATA->
 778                             m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
 779
 780         return spacing.Upper() == _T('M');
 781     }
 782    // Unreaceable code for now
 783    // return wxFontBase::IsFixedWidth();
 784 #endif
 785
 786 }
 787
 788 // ----------------------------------------------------------------------------
 789 // change font attributes
 790 // ----------------------------------------------------------------------------
 791
 792 void wxFont::SetPointSize(int pointSize)
 793 {
 794     Unshare();
 795
 796     M_FONTDATA->SetPointSize(pointSize);
 797 }
 798
 799 void wxFont::SetFamily(int family)
 800 {
 801     Unshare();
 802
 803     M_FONTDATA->SetFamily(family);
 804 }
 805
 806 void wxFont::SetStyle(int style)
 807 {
 808     Unshare();
 809
 810     M_FONTDATA->SetStyle(style);
 811 }
 812
 813 void wxFont::SetWeight(int weight)
 814 {
 815     Unshare();
 816
 817     M_FONTDATA->SetWeight(weight);
 818 }
 819
 820 bool wxFont::SetFaceName(const wxString& faceName)
 821 {
 822     Unshare();
 823
 824     return M_FONTDATA->SetFaceName(faceName) &&
 825         wxFontBase::SetFaceName(faceName);
 826 }
 827
 828 void wxFont::SetUnderlined(bool underlined)
 829 {
 830     Unshare();
 831
 832     M_FONTDATA->SetUnderlined(underlined);
 833 }
 834
 835 void wxFont::SetEncoding(wxFontEncoding encoding)
 836 {
 837     Unshare();
 838
 839     M_FONTDATA->SetEncoding(encoding);
 840 }
 841
 842 void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
 843 {
 844     Unshare();
 845
 846     M_FONTDATA->SetNativeFontInfo( info );
 847 }
 848
 849 void wxFont::SetNoAntiAliasing( bool no )
 850 {
 851     Unshare();
 852
 853     M_FONTDATA->SetNoAntiAliasing( no );
 854 }
 855
 856 #if wxUSE_UNICODE
 857 #else
 858
 859 // ----------------------------------------------------------------------------
 860 // X11 implementation
 861 // ----------------------------------------------------------------------------
 862
 863 // Find an existing, or create a new, XFontStruct
 864 // based on this wxFont and the given scale. Append the
 865 // font to list in the private data for future reference.
 866 wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
 867 {
 868     if ( !Ok() )
 869         return (wxXFont *)NULL;
 870
 871     long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
 872     int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
 873
 874     // search existing fonts first
 875     wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst();
 876     while (node)
 877     {
 878         wxXFont* f = (wxXFont*) node->GetData();
 879         if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
 880             return f;
 881         node = node->GetNext();
 882     }
 883
 884     wxString xFontName = M_FONTDATA->m_nativeFontInfo.GetXFontName();
 885     if (xFontName == "-*-*-*-*-*--*-*-*-*-*-*-*-*")
 886       // wxFont constructor not called with native font info parameter => take M_FONTDATA values
 887       xFontName.Clear();
 888
 889     // not found, create a new one
 890     XFontStruct *font = (XFontStruct *)
 891                         wxLoadQueryNearestFont(pointSize,
 892                                                M_FONTDATA->m_family,
 893                                                M_FONTDATA->m_style,
 894                                                M_FONTDATA->m_weight,
 895                                                M_FONTDATA->m_underlined,
 896                                                wxT(""),
 897                                                M_FONTDATA->m_encoding,
 898                                                & xFontName);
 899
 900     if ( !font )
 901     {
 902         wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );
 903
 904         return (wxXFont*) NULL;
 905     }
 906
 907     wxXFont* f = new wxXFont;
 908     f->m_fontStruct = (WXFontStructPtr)font;
 909     f->m_display = ( display ? display : wxGetDisplay() );
 910     f->m_scale = intScale;
 911     M_FONTDATA->m_fonts.Append(f);
 912
 913     return f;
 914 }
 915
 916 WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
 917 {
 918     wxXFont* f = GetInternalFont(scale, display);
 919
 920     return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
 921 }
 922
 923 #endif