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         case PANGO_WEIGHT_LIGHT:
 250             m_weight = wxFONTWEIGHT_LIGHT;
 251             break;
 252
 253         default:
 254             wxFAIL_MSG(_T("unknown Pango font weight"));
 255             // fall through
 256
 257         case PANGO_WEIGHT_NORMAL:
 258             m_weight = wxFONTWEIGHT_NORMAL;
 259             break;
 260
 261         case PANGO_WEIGHT_SEMIBOLD:
 262         case PANGO_WEIGHT_BOLD:
 263         case PANGO_WEIGHT_ULTRABOLD:
 264         case PANGO_WEIGHT_HEAVY:
 265             m_weight = wxFONTWEIGHT_BOLD;
 266             break;
 267     }
 268
 269     if (m_faceName == wxT("monospace"))
 270     {
 271         m_family = wxFONTFAMILY_TELETYPE;
 272     }
 273     else if (m_faceName == wxT("sans"))
 274     {
 275         m_family = wxFONTFAMILY_SWISS;
 276     }
 277     else
 278     {
 279         m_family = wxFONTFAMILY_UNKNOWN;
 280     }
 281
 282     // Pango description are never underlined (?)
 283     m_underlined = false;
 284
 285     // Cannot we choose that
 286     m_encoding = wxFONTENCODING_SYSTEM;
 287 #else // X11
 288     // get the font parameters from the XLFD
 289     // -------------------------------------
 290
 291     m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
 292
 293     m_weight = wxFONTWEIGHT_NORMAL;
 294
 295     wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
 296     if ( !w.empty() && w != _T('*') )
 297     {
 298         // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
 299         // and BLACK
 300         if ( ((w[0u] == _T('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) ||
 301                                    !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) ||
 302              wxStrstr(w.c_str() + 1, _T("BOLD")) )
 303         {
 304             m_weight = wxFONTWEIGHT_BOLD;
 305         }
 306         else if ( w == _T("LIGHT") || w == _T("THIN") )
 307         {
 308             m_weight = wxFONTWEIGHT_LIGHT;
 309         }
 310     }
 311
 312     switch ( wxToupper(*m_nativeFontInfo.
 313                             GetXFontComponent(wxXLFD_SLANT).c_str()) )
 314     {
 315         case _T('I'):   // italique
 316             m_style = wxFONTSTYLE_ITALIC;
 317             break;
 318
 319         case _T('O'):   // oblique
 320             m_style = wxFONTSTYLE_SLANT;
 321             break;
 322
 323         default:
 324             m_style = wxFONTSTYLE_NORMAL;
 325     }
 326
 327     long ptSize;
 328     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) )
 329     {
 330         // size in XLFD is in 10 point units
 331         m_pointSize = (int)(ptSize / 10);
 332     }
 333     else
 334     {
 335         m_pointSize = wxDEFAULT_FONT_SIZE;
 336     }
 337
 338     // examine the spacing: if the font is monospaced, assume wxTELETYPE
 339     // family for compatibility with the old code which used it instead of
 340     // IsFixedWidth()
 341     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') )
 342     {
 343         m_family = wxFONTFAMILY_TELETYPE;
 344     }
 345     else // not monospaceed
 346     {
 347         // don't even try guessing it, it doesn't work for too many fonts
 348         // anyhow
 349         m_family = wxFONTFAMILY_UNKNOWN;
 350     }
 351
 352     // X fonts are never underlined...
 353     m_underlined = false;
 354
 355     // deal with font encoding
 356     wxString
 357         registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(),
 358         encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper();
 359
 360     if ( registry == _T("ISO8859") )
 361     {
 362         int cp;
 363         if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 364         {
 365             m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 366         }
 367     }
 368     else if ( registry == _T("MICROSOFT") )
 369     {
 370         int cp;
 371         if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 372         {
 373             m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 374         }
 375     }
 376     else if ( registry == _T("KOI8") )
 377     {
 378         m_encoding = wxFONTENCODING_KOI8;
 379     }
 380     else // unknown encoding
 381     {
 382         // may be give a warning here? or use wxFontMapper?
 383         m_encoding = wxFONTENCODING_SYSTEM;
 384     }
 385 #endif // Pango/X11
 386 }
 387
 388 wxFontRefData::wxFontRefData( const wxFontRefData& data )
 389              : wxObjectRefData()
 390 {
 391     m_pointSize = data.m_pointSize;
 392     m_family = data.m_family;
 393     m_style = data.m_style;
 394     m_weight = data.m_weight;
 395
 396     m_underlined = data.m_underlined;
 397
 398     m_faceName = data.m_faceName;
 399     m_encoding = data.m_encoding;
 400
 401     m_noAA = data.m_noAA;
 402
 403     m_nativeFontInfo = data.m_nativeFontInfo;
 404 }
 405
 406 wxFontRefData::wxFontRefData(int size, int family, int style,
 407                              int weight, bool underlined,
 408                              const wxString& faceName,
 409                              wxFontEncoding encoding)
 410 {
 411     Init(size, family, style, weight, underlined, faceName, encoding);
 412 }
 413
 414 wxFontRefData::wxFontRefData(const wxString& fontname)
 415 {
 416     // VZ: FromString() should really work in both cases, doesn't it?
 417 #if wxUSE_UNICODE
 418     m_nativeFontInfo.FromString( fontname );
 419 #else
 420     m_nativeFontInfo.SetXFontName(fontname);
 421 #endif
 422
 423     InitFromNative();
 424 }
 425
 426 void wxFontRefData::ClearX11Fonts()
 427 {
 428 #if wxUSE_UNICODE
 429 #else
 430     wxList::compatibility_iterator node = m_fonts.GetFirst();
 431     while (node)
 432     {
 433         wxXFont* f = (wxXFont*) node->GetData();
 434         delete f;
 435         node = node->GetNext();
 436     }
 437     m_fonts.Clear();
 438 #endif
 439 }
 440
 441 wxFontRefData::~wxFontRefData()
 442 {
 443     ClearX11Fonts();
 444 }
 445
 446 // ----------------------------------------------------------------------------
 447 // wxFontRefData SetXXX()
 448 // ----------------------------------------------------------------------------
 449
 450 void wxFontRefData::SetPointSize(int pointSize)
 451 {
 452     m_pointSize = pointSize;
 453
 454 #if wxUSE_UNICODE
 455     // Get native info
 456     PangoFontDescription *desc = m_nativeFontInfo.description;
 457
 458     pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
 459 #endif
 460 }
 461
 462 void wxFontRefData::SetFamily(int family)
 463 {
 464     m_family = family;
 465
 466     // TODO: what are we supposed to do with m_nativeFontInfo here?
 467 }
 468
 469 void wxFontRefData::SetStyle(int style)
 470 {
 471     m_style = style;
 472
 473 #if wxUSE_UNICODE
 474     // Get native info
 475     PangoFontDescription *desc = m_nativeFontInfo.description;
 476
 477     switch ( style )
 478     {
 479         case wxFONTSTYLE_ITALIC:
 480             pango_font_description_set_style( desc, PANGO_STYLE_ITALIC );
 481             break;
 482         case wxFONTSTYLE_SLANT:
 483             pango_font_description_set_style( desc, PANGO_STYLE_OBLIQUE );
 484             break;
 485         default:
 486             wxFAIL_MSG( _T("unknown font style") );
 487             // fall through
 488         case wxFONTSTYLE_NORMAL:
 489             pango_font_description_set_style( desc, PANGO_STYLE_NORMAL );
 490             break;
 491     }
 492 #endif
 493 }
 494
 495 void wxFontRefData::SetWeight(int weight)
 496 {
 497     m_weight = weight;
 498 }
 499
 500 void wxFontRefData::SetUnderlined(bool underlined)
 501 {
 502     m_underlined = underlined;
 503
 504     // the XLFD doesn't have "underlined" field anyhow
 505 }
 506
 507 bool wxFontRefData::SetFaceName(const wxString& facename)
 508 {
 509     m_faceName = facename;
 510     return true;
 511 }
 512
 513 void wxFontRefData::SetEncoding(wxFontEncoding encoding)
 514 {
 515     m_encoding = encoding;
 516 }
 517
 518 void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
 519 {
 520     // previously cached fonts shouldn't be used
 521     ClearX11Fonts();
 522
 523     m_nativeFontInfo = info;
 524
 525     // set all the other font parameters from the native font info
 526     InitFromNative();
 527 }
 528
 529 // ----------------------------------------------------------------------------
 530 // wxFont
 531 // ----------------------------------------------------------------------------
 532
 533 wxFont::wxFont(const wxNativeFontInfo& info)
 534 {
 535 #if wxUSE_UNICODE
 536     Create( info.GetPointSize(),
 537             info.GetFamily(),
 538             info.GetStyle(),
 539             info.GetWeight(),
 540             info.GetUnderlined(),
 541             info.GetFaceName(),
 542             info.GetEncoding() );
 543 #else
 544     (void) Create(info.GetXFontName());
 545 #endif
 546 }
 547
 548 bool wxFont::Create(int pointSize,
 549                     int family,
 550                     int style,
 551                     int weight,
 552                     bool underlined,
 553                     const wxString& faceName,
 554                     wxFontEncoding encoding)
 555 {
 556     UnRef();
 557
 558     m_refData = new wxFontRefData(pointSize, family, style, weight,
 559                                   underlined, faceName, encoding);
 560
 561     return true;
 562 }
 563
 564 #if !wxUSE_UNICODE
 565
 566 bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
 567 {
 568     if( !fontname )
 569     {
 570         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
 571         return true;
 572     }
 573
 574     m_refData = new wxFontRefData();
 575
 576     M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname);  // X font name
 577
 578     wxString tmp;
 579
 580     wxStringTokenizer tn( fontname, wxT("-") );
 581
 582     tn.GetNextToken();                           // skip initial empty token
 583     tn.GetNextToken();                           // foundry
 584
 585
 586     M_FONTDATA->m_faceName = tn.GetNextToken();  // family
 587
 588     tmp = tn.GetNextToken().MakeUpper();         // weight
 589     if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
 590     if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
 591     if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 592     if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
 593     if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 594
 595     if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
 596     if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
 597
 598     tmp = tn.GetNextToken().MakeUpper();        // slant
 599     if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
 600     if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
 601
 602     tn.GetNextToken();                           // set width
 603     tn.GetNextToken();                           // add. style
 604     tn.GetNextToken();                           // pixel size
 605
 606     tmp = tn.GetNextToken();                     // pointsize
 607     if (tmp != wxT("*"))
 608     {
 609         long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
 610         M_FONTDATA->m_pointSize = (int)(num / 10);
 611     }
 612
 613     tn.GetNextToken();                           // x-res
 614     tn.GetNextToken();                           // y-res
 615
 616     tmp = tn.GetNextToken().MakeUpper();         // spacing
 617
 618     if (tmp == wxT("M"))
 619         M_FONTDATA->m_family = wxMODERN;
 620     else if (M_FONTDATA->m_faceName == wxT("TIMES"))
 621         M_FONTDATA->m_family = wxROMAN;
 622     else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
 623         M_FONTDATA->m_family = wxSWISS;
 624     else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
 625         M_FONTDATA->m_family = wxTELETYPE;
 626     else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
 627         M_FONTDATA->m_family = wxDECORATIVE;
 628     else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
 629         M_FONTDATA->m_family = wxSCRIPT;
 630
 631     tn.GetNextToken();                           // avg width
 632
 633     // deal with font encoding
 634     M_FONTDATA->m_encoding = enc;
 635     if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
 636     {
 637         wxString registry = tn.GetNextToken().MakeUpper(),
 638                  encoding = tn.GetNextToken().MakeUpper();
 639
 640         if ( registry == _T("ISO8859") )
 641         {
 642             int cp;
 643             if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 644             {
 645                 M_FONTDATA->m_encoding =
 646                     (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 647             }
 648         }
 649         else if ( registry == _T("MICROSOFT") )
 650         {
 651             int cp;
 652             if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 653             {
 654                 M_FONTDATA->m_encoding =
 655                     (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 656             }
 657         }
 658         else if ( registry == _T("KOI8") )
 659         {
 660             M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
 661         }
 662         //else: unknown encoding - may be give a warning here?
 663         else
 664             return false;
 665     }
 666     return true;
 667 }
 668 #endif // !wxUSE_UNICODE
 669
 670 wxFont::~wxFont()
 671 {
 672 }
 673
 674 // ----------------------------------------------------------------------------
 675 // change the font attributes
 676 // ----------------------------------------------------------------------------
 677
 678 void wxFont::Unshare()
 679 {
 680     // Don't change shared data
 681     if (!m_refData)
 682     {
 683         m_refData = new wxFontRefData();
 684     }
 685     else
 686     {
 687         wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
 688         UnRef();
 689         m_refData = ref;
 690     }
 691 }
 692
 693 // ----------------------------------------------------------------------------
 694 // accessors
 695 // ----------------------------------------------------------------------------
 696
 697 int wxFont::GetPointSize() const
 698 {
 699     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 700
 701     return M_FONTDATA->m_pointSize;
 702 }
 703
 704 wxString wxFont::GetFaceName() const
 705 {
 706     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 707
 708     return M_FONTDATA->m_faceName;
 709 }
 710
 711 int wxFont::GetFamily() const
 712 {
 713     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 714
 715     return M_FONTDATA->m_family;
 716 }
 717
 718 int wxFont::GetStyle() const
 719 {
 720     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 721
 722     return M_FONTDATA->m_style;
 723 }
 724
 725 int wxFont::GetWeight() const
 726 {
 727     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 728
 729     return M_FONTDATA->m_weight;
 730 }
 731
 732 bool wxFont::GetUnderlined() const
 733 {
 734     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 735
 736     return M_FONTDATA->m_underlined;
 737 }
 738
 739 wxFontEncoding wxFont::GetEncoding() const
 740 {
 741     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 742
 743     return M_FONTDATA->m_encoding;
 744 }
 745
 746 bool wxFont::GetNoAntiAliasing() const
 747 {
 748     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 749
 750     return M_FONTDATA->m_noAA;
 751 }
 752
 753 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 754 {
 755     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 756
 757 #if wxUSE_UNICODE
 758 #else
 759     if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
 760         GetInternalFont();
 761 #endif
 762
 763     return &(M_FONTDATA->m_nativeFontInfo);
 764 }
 765
 766 bool wxFont::IsFixedWidth() const
 767 {
 768     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 769
 770 #if wxUSE_UNICODE
 771    return wxFontBase::IsFixedWidth();
 772 #else
 773     // Robert, is this right? HasNativeFont doesn't exist.
 774     if ( true )
 775     //    if ( M_FONTDATA->HasNativeFont() )
 776     {
 777         // the monospace fonts are supposed to have "M" in the spacing field
 778         wxString spacing = M_FONTDATA->
 779                             m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
 780
 781         return spacing.Upper() == _T('M');
 782     }
 783    // Unreaceable code for now
 784    // return wxFontBase::IsFixedWidth();
 785 #endif
 786
 787 }
 788
 789 // ----------------------------------------------------------------------------
 790 // change font attributes
 791 // ----------------------------------------------------------------------------
 792
 793 void wxFont::SetPointSize(int pointSize)
 794 {
 795     Unshare();
 796
 797     M_FONTDATA->SetPointSize(pointSize);
 798 }
 799
 800 void wxFont::SetFamily(int family)
 801 {
 802     Unshare();
 803
 804     M_FONTDATA->SetFamily(family);
 805 }
 806
 807 void wxFont::SetStyle(int style)
 808 {
 809     Unshare();
 810
 811     M_FONTDATA->SetStyle(style);
 812 }
 813
 814 void wxFont::SetWeight(int weight)
 815 {
 816     Unshare();
 817
 818     M_FONTDATA->SetWeight(weight);
 819 }
 820
 821 bool wxFont::SetFaceName(const wxString& faceName)
 822 {
 823     Unshare();
 824
 825     return M_FONTDATA->SetFaceName(faceName) &&
 826         wxFontBase::SetFaceName(faceName);
 827 }
 828
 829 void wxFont::SetUnderlined(bool underlined)
 830 {
 831     Unshare();
 832
 833     M_FONTDATA->SetUnderlined(underlined);
 834 }
 835
 836 void wxFont::SetEncoding(wxFontEncoding encoding)
 837 {
 838     Unshare();
 839
 840     M_FONTDATA->SetEncoding(encoding);
 841 }
 842
 843 void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
 844 {
 845     Unshare();
 846
 847     M_FONTDATA->SetNativeFontInfo( info );
 848 }
 849
 850 void wxFont::SetNoAntiAliasing( bool no )
 851 {
 852     Unshare();
 853
 854     M_FONTDATA->SetNoAntiAliasing( no );
 855 }
 856
 857 #if wxUSE_UNICODE
 858 #else
 859
 860 // ----------------------------------------------------------------------------
 861 // X11 implementation
 862 // ----------------------------------------------------------------------------
 863
 864 // Find an existing, or create a new, XFontStruct
 865 // based on this wxFont and the given scale. Append the
 866 // font to list in the private data for future reference.
 867 wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
 868 {
 869     if ( !Ok() )
 870         return (wxXFont *)NULL;
 871
 872     long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
 873     int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
 874
 875     // search existing fonts first
 876     wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst();
 877     while (node)
 878     {
 879         wxXFont* f = (wxXFont*) node->GetData();
 880         if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
 881             return f;
 882         node = node->GetNext();
 883     }
 884
 885     wxString xFontName = M_FONTDATA->m_nativeFontInfo.GetXFontName();
 886     if (xFontName == "-*-*-*-*-*--*-*-*-*-*-*-*-*")
 887       // wxFont constructor not called with native font info parameter => take M_FONTDATA values
 888       xFontName.Clear();
 889
 890     // not found, create a new one
 891     XFontStruct *font = (XFontStruct *)
 892                         wxLoadQueryNearestFont(pointSize,
 893                                                M_FONTDATA->m_family,
 894                                                M_FONTDATA->m_style,
 895                                                M_FONTDATA->m_weight,
 896                                                M_FONTDATA->m_underlined,
 897                                                wxT(""),
 898                                                M_FONTDATA->m_encoding,
 899                                                & xFontName);
 900
 901     if ( !font )
 902     {
 903         wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );
 904
 905         return (wxXFont*) NULL;
 906     }
 907
 908     wxXFont* f = new wxXFont;
 909     f->m_fontStruct = (WXFontStructPtr)font;
 910     f->m_display = ( display ? display : wxGetDisplay() );
 911     f->m_scale = intScale;
 912     M_FONTDATA->m_fonts.Append(f);
 913
 914     return f;
 915 }
 916
 917 WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
 918 {
 919     wxXFont* f = GetInternalFont(scale, display);
 920
 921     return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
 922 }
 923
 924 #endif