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 #define M_FONTDATA (wxFontRefData*)m_refData)
 168
 169 // ----------------------------------------------------------------------------
 170 // wxFontRefData
 171 // ----------------------------------------------------------------------------
 172
 173 void wxFontRefData::Init(int pointSize,
 174                          int family,
 175                          int style,
 176                          int weight,
 177                          bool underlined,
 178                          const wxString& faceName,
 179                          wxFontEncoding encoding)
 180 {
 181     m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
 182
 183     m_faceName = faceName;
 184
 185     // we accept both wxDEFAULT and wxNORMAL here - should we?
 186     m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
 187     m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 188
 189     // and here, do we really want to forbid creation of the font of the size
 190     // 90 (the value of wxDEFAULT)??
 191     m_pointSize = pointSize == wxDEFAULT || pointSize == -1
 192                     ? wxDEFAULT_FONT_SIZE
 193                     : pointSize;
 194
 195     m_underlined = underlined;
 196     m_encoding = encoding;
 197
 198 #if wxUSE_UNICODE
 199     // Create native font info
 200     m_nativeFontInfo.description = pango_font_description_new();
 201
 202     // And set its values
 203     switch (m_family)
 204     {
 205         case wxFONTFAMILY_MODERN:
 206         case wxFONTFAMILY_TELETYPE:
 207            pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
 208            break;
 209         case wxFONTFAMILY_ROMAN:
 210            pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
 211            break;
 212         default:
 213            pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
 214            break;
 215     }
 216     SetStyle( m_style );
 217     SetPointSize( m_pointSize );
 218     SetWeight( m_weight );
 219 #endif
 220 }
 221
 222 void wxFontRefData::InitFromNative()
 223 {
 224     m_noAA = false;
 225
 226 #if wxUSE_UNICODE
 227     // Get native info
 228     PangoFontDescription *desc = m_nativeFontInfo.description;
 229
 230     // init fields
 231     m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) );
 232
 233     m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE;
 234
 235     switch (pango_font_description_get_style( desc ))
 236     {
 237         case PANGO_STYLE_NORMAL:
 238             m_style = wxFONTSTYLE_NORMAL;
 239             break;
 240         case PANGO_STYLE_ITALIC:
 241             m_style = wxFONTSTYLE_ITALIC;
 242             break;
 243         case PANGO_STYLE_OBLIQUE:
 244             m_style = wxFONTSTYLE_SLANT;
 245             break;
 246     }
 247
 248 // Not defined in some Pango versions
 249 #define wxPANGO_WEIGHT_SEMIBOLD 600
 250
 251     switch (pango_font_description_get_weight( desc ))
 252     {
 253         case PANGO_WEIGHT_ULTRALIGHT:
 254         case PANGO_WEIGHT_LIGHT:
 255             m_weight = wxFONTWEIGHT_LIGHT;
 256             break;
 257
 258         default:
 259             wxFAIL_MSG(_T("unknown Pango font weight"));
 260             // fall through
 261
 262         case PANGO_WEIGHT_NORMAL:
 263             m_weight = wxFONTWEIGHT_NORMAL;
 264             break;
 265
 266         case wxPANGO_WEIGHT_SEMIBOLD:
 267         case PANGO_WEIGHT_BOLD:
 268         case PANGO_WEIGHT_ULTRABOLD:
 269         case PANGO_WEIGHT_HEAVY:
 270             m_weight = wxFONTWEIGHT_BOLD;
 271             break;
 272     }
 273
 274     if (m_faceName == wxT("monospace"))
 275     {
 276         m_family = wxFONTFAMILY_TELETYPE;
 277     }
 278     else if (m_faceName == wxT("sans"))
 279     {
 280         m_family = wxFONTFAMILY_SWISS;
 281     }
 282     else
 283     {
 284         m_family = wxFONTFAMILY_UNKNOWN;
 285     }
 286
 287     // Pango description are never underlined (?)
 288     m_underlined = false;
 289
 290     // Cannot we choose that
 291     m_encoding = wxFONTENCODING_SYSTEM;
 292 #else // X11
 293     // get the font parameters from the XLFD
 294     // -------------------------------------
 295
 296     m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
 297
 298     m_weight = wxFONTWEIGHT_NORMAL;
 299
 300     wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
 301     if ( !w.empty() && w != _T('*') )
 302     {
 303         // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
 304         // and BLACK
 305         if ( ((w[0u] == _T('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) ||
 306                                    !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) ||
 307              wxStrstr(w.c_str() + 1, _T("BOLD")) )
 308         {
 309             m_weight = wxFONTWEIGHT_BOLD;
 310         }
 311         else if ( w == _T("LIGHT") || w == _T("THIN") )
 312         {
 313             m_weight = wxFONTWEIGHT_LIGHT;
 314         }
 315     }
 316
 317     switch ( wxToupper(*m_nativeFontInfo.
 318                             GetXFontComponent(wxXLFD_SLANT).c_str()) )
 319     {
 320         case _T('I'):   // italique
 321             m_style = wxFONTSTYLE_ITALIC;
 322             break;
 323
 324         case _T('O'):   // oblique
 325             m_style = wxFONTSTYLE_SLANT;
 326             break;
 327
 328         default:
 329             m_style = wxFONTSTYLE_NORMAL;
 330     }
 331
 332     long ptSize;
 333     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) )
 334     {
 335         // size in XLFD is in 10 point units
 336         m_pointSize = (int)(ptSize / 10);
 337     }
 338     else
 339     {
 340         m_pointSize = wxDEFAULT_FONT_SIZE;
 341     }
 342
 343     // examine the spacing: if the font is monospaced, assume wxTELETYPE
 344     // family for compatibility with the old code which used it instead of
 345     // IsFixedWidth()
 346     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') )
 347     {
 348         m_family = wxFONTFAMILY_TELETYPE;
 349     }
 350     else // not monospaceed
 351     {
 352         // don't even try guessing it, it doesn't work for too many fonts
 353         // anyhow
 354         m_family = wxFONTFAMILY_UNKNOWN;
 355     }
 356
 357     // X fonts are never underlined...
 358     m_underlined = false;
 359
 360     // deal with font encoding
 361     wxString
 362         registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(),
 363         encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper();
 364
 365     if ( registry == _T("ISO8859") )
 366     {
 367         int cp;
 368         if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 369         {
 370             m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 371         }
 372     }
 373     else if ( registry == _T("MICROSOFT") )
 374     {
 375         int cp;
 376         if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 377         {
 378             m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 379         }
 380     }
 381     else if ( registry == _T("KOI8") )
 382     {
 383         m_encoding = wxFONTENCODING_KOI8;
 384     }
 385     else // unknown encoding
 386     {
 387         // may be give a warning here? or use wxFontMapper?
 388         m_encoding = wxFONTENCODING_SYSTEM;
 389     }
 390 #endif // Pango/X11
 391 }
 392
 393 wxFontRefData::wxFontRefData( const wxFontRefData& data )
 394              : wxObjectRefData()
 395 {
 396     m_pointSize = data.m_pointSize;
 397     m_family = data.m_family;
 398     m_style = data.m_style;
 399     m_weight = data.m_weight;
 400
 401     m_underlined = data.m_underlined;
 402
 403     m_faceName = data.m_faceName;
 404     m_encoding = data.m_encoding;
 405
 406     m_noAA = data.m_noAA;
 407
 408     m_nativeFontInfo = data.m_nativeFontInfo;
 409 }
 410
 411 wxFontRefData::wxFontRefData(int size, int family, int style,
 412                              int weight, bool underlined,
 413                              const wxString& faceName,
 414                              wxFontEncoding encoding)
 415 {
 416     Init(size, family, style, weight, underlined, faceName, encoding);
 417 }
 418
 419 wxFontRefData::wxFontRefData(const wxString& fontname)
 420 {
 421     // VZ: FromString() should really work in both cases, doesn't it?
 422 #if wxUSE_UNICODE
 423     m_nativeFontInfo.FromString( fontname );
 424 #else
 425     m_nativeFontInfo.SetXFontName(fontname);
 426 #endif
 427
 428     InitFromNative();
 429 }
 430
 431 void wxFontRefData::ClearX11Fonts()
 432 {
 433 #if wxUSE_UNICODE
 434 #else
 435     wxList::compatibility_iterator node = m_fonts.GetFirst();
 436     while (node)
 437     {
 438         wxXFont* f = (wxXFont*) node->GetData();
 439         delete f;
 440         node = node->GetNext();
 441     }
 442     m_fonts.Clear();
 443 #endif
 444 }
 445
 446 wxFontRefData::~wxFontRefData()
 447 {
 448     ClearX11Fonts();
 449 }
 450
 451 // ----------------------------------------------------------------------------
 452 // wxFontRefData SetXXX()
 453 // ----------------------------------------------------------------------------
 454
 455 void wxFontRefData::SetPointSize(int pointSize)
 456 {
 457     m_pointSize = pointSize;
 458
 459 #if wxUSE_UNICODE
 460     // Get native info
 461     PangoFontDescription *desc = m_nativeFontInfo.description;
 462
 463     pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
 464 #endif
 465 }
 466
 467 void wxFontRefData::SetFamily(int family)
 468 {
 469     m_family = family;
 470
 471     // TODO: what are we supposed to do with m_nativeFontInfo here?
 472 }
 473
 474 void wxFontRefData::SetStyle(int style)
 475 {
 476     m_style = style;
 477
 478 #if wxUSE_UNICODE
 479     // Get native info
 480     PangoFontDescription *desc = m_nativeFontInfo.description;
 481
 482     switch ( style )
 483     {
 484         case wxFONTSTYLE_ITALIC:
 485             pango_font_description_set_style( desc, PANGO_STYLE_ITALIC );
 486             break;
 487         case wxFONTSTYLE_SLANT:
 488             pango_font_description_set_style( desc, PANGO_STYLE_OBLIQUE );
 489             break;
 490         default:
 491             wxFAIL_MSG( _T("unknown font style") );
 492             // fall through
 493         case wxFONTSTYLE_NORMAL:
 494             pango_font_description_set_style( desc, PANGO_STYLE_NORMAL );
 495             break;
 496     }
 497 #endif
 498 }
 499
 500 void wxFontRefData::SetWeight(int weight)
 501 {
 502     m_weight = weight;
 503 }
 504
 505 void wxFontRefData::SetUnderlined(bool underlined)
 506 {
 507     m_underlined = underlined;
 508
 509     // the XLFD doesn't have "underlined" field anyhow
 510 }
 511
 512 bool wxFontRefData::SetFaceName(const wxString& facename)
 513 {
 514     m_faceName = facename;
 515     return true;
 516 }
 517
 518 void wxFontRefData::SetEncoding(wxFontEncoding encoding)
 519 {
 520     m_encoding = encoding;
 521 }
 522
 523 void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
 524 {
 525     // previously cached fonts shouldn't be used
 526     ClearX11Fonts();
 527
 528     m_nativeFontInfo = info;
 529
 530     // set all the other font parameters from the native font info
 531     InitFromNative();
 532 }
 533
 534 // ----------------------------------------------------------------------------
 535 // wxFont
 536 // ----------------------------------------------------------------------------
 537
 538 wxFont::wxFont(const wxNativeFontInfo& info)
 539 {
 540 #if wxUSE_UNICODE
 541     Create( info.GetPointSize(),
 542             info.GetFamily(),
 543             info.GetStyle(),
 544             info.GetWeight(),
 545             info.GetUnderlined(),
 546             info.GetFaceName(),
 547             info.GetEncoding() );
 548 #else
 549     (void) Create(info.GetXFontName());
 550 #endif
 551 }
 552
 553 bool wxFont::Create(int pointSize,
 554                     int family,
 555                     int style,
 556                     int weight,
 557                     bool underlined,
 558                     const wxString& faceName,
 559                     wxFontEncoding encoding)
 560 {
 561     UnRef();
 562
 563     m_refData = new wxFontRefData(pointSize, family, style, weight,
 564                                   underlined, faceName, encoding);
 565
 566     return true;
 567 }
 568
 569 #if !wxUSE_UNICODE
 570
 571 bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
 572 {
 573     if( !fontname )
 574     {
 575         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
 576         return true;
 577     }
 578
 579     m_refData = new wxFontRefData();
 580
 581     M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname);  // X font name
 582
 583     wxString tmp;
 584
 585     wxStringTokenizer tn( fontname, wxT("-") );
 586
 587     tn.GetNextToken();                           // skip initial empty token
 588     tn.GetNextToken();                           // foundry
 589
 590
 591     M_FONTDATA->m_faceName = tn.GetNextToken();  // family
 592
 593     tmp = tn.GetNextToken().MakeUpper();         // weight
 594     if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
 595     if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
 596     if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 597     if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
 598     if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 599
 600     if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
 601     if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
 602
 603     tmp = tn.GetNextToken().MakeUpper();        // slant
 604     if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
 605     if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
 606
 607     tn.GetNextToken();                           // set width
 608     tn.GetNextToken();                           // add. style
 609     tn.GetNextToken();                           // pixel size
 610
 611     tmp = tn.GetNextToken();                     // pointsize
 612     if (tmp != wxT("*"))
 613     {
 614         long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
 615         M_FONTDATA->m_pointSize = (int)(num / 10);
 616     }
 617
 618     tn.GetNextToken();                           // x-res
 619     tn.GetNextToken();                           // y-res
 620
 621     tmp = tn.GetNextToken().MakeUpper();         // spacing
 622
 623     if (tmp == wxT("M"))
 624         M_FONTDATA->m_family = wxMODERN;
 625     else if (M_FONTDATA->m_faceName == wxT("TIMES"))
 626         M_FONTDATA->m_family = wxROMAN;
 627     else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
 628         M_FONTDATA->m_family = wxSWISS;
 629     else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
 630         M_FONTDATA->m_family = wxTELETYPE;
 631     else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
 632         M_FONTDATA->m_family = wxDECORATIVE;
 633     else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
 634         M_FONTDATA->m_family = wxSCRIPT;
 635
 636     tn.GetNextToken();                           // avg width
 637
 638     // deal with font encoding
 639     M_FONTDATA->m_encoding = enc;
 640     if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
 641     {
 642         wxString registry = tn.GetNextToken().MakeUpper(),
 643                  encoding = tn.GetNextToken().MakeUpper();
 644
 645         if ( registry == _T("ISO8859") )
 646         {
 647             int cp;
 648             if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 649             {
 650                 M_FONTDATA->m_encoding =
 651                     (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 652             }
 653         }
 654         else if ( registry == _T("MICROSOFT") )
 655         {
 656             int cp;
 657             if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 658             {
 659                 M_FONTDATA->m_encoding =
 660                     (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 661             }
 662         }
 663         else if ( registry == _T("KOI8") )
 664         {
 665             M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
 666         }
 667         //else: unknown encoding - may be give a warning here?
 668         else
 669             return false;
 670     }
 671     return true;
 672 }
 673 #endif // !wxUSE_UNICODE
 674
 675 wxFont::~wxFont()
 676 {
 677 }
 678
 679 // ----------------------------------------------------------------------------
 680 // change the font attributes
 681 // ----------------------------------------------------------------------------
 682
 683 void wxFont::Unshare()
 684 {
 685     // Don't change shared data
 686     if (!m_refData)
 687     {
 688         m_refData = new wxFontRefData();
 689     }
 690     else
 691     {
 692         wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
 693         UnRef();
 694         m_refData = ref;
 695     }
 696 }
 697
 698 // ----------------------------------------------------------------------------
 699 // accessors
 700 // ----------------------------------------------------------------------------
 701
 702 int wxFont::GetPointSize() const
 703 {
 704     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 705
 706     return M_FONTDATA->m_pointSize;
 707 }
 708
 709 wxString wxFont::GetFaceName() const
 710 {
 711     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 712
 713     return M_FONTDATA->m_faceName;
 714 }
 715
 716 int wxFont::GetFamily() const
 717 {
 718     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 719
 720     return M_FONTDATA->m_family;
 721 }
 722
 723 int wxFont::GetStyle() const
 724 {
 725     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 726
 727     return M_FONTDATA->m_style;
 728 }
 729
 730 int wxFont::GetWeight() const
 731 {
 732     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 733
 734     return M_FONTDATA->m_weight;
 735 }
 736
 737 bool wxFont::GetUnderlined() const
 738 {
 739     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 740
 741     return M_FONTDATA->m_underlined;
 742 }
 743
 744 wxFontEncoding wxFont::GetEncoding() const
 745 {
 746     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 747
 748     return M_FONTDATA->m_encoding;
 749 }
 750
 751 bool wxFont::GetNoAntiAliasing() const
 752 {
 753     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 754
 755     return M_FONTDATA->m_noAA;
 756 }
 757
 758 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 759 {
 760     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 761
 762 #if wxUSE_UNICODE
 763 #else
 764     if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
 765         GetInternalFont();
 766 #endif
 767
 768     return &(M_FONTDATA->m_nativeFontInfo);
 769 }
 770
 771 bool wxFont::IsFixedWidth() const
 772 {
 773     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 774
 775 #if wxUSE_UNICODE
 776    return wxFontBase::IsFixedWidth();
 777 #else
 778     // Robert, is this right? HasNativeFont doesn't exist.
 779     if ( true )
 780     //    if ( M_FONTDATA->HasNativeFont() )
 781     {
 782         // the monospace fonts are supposed to have "M" in the spacing field
 783         wxString spacing = M_FONTDATA->
 784                             m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
 785
 786         return spacing.Upper() == _T('M');
 787     }
 788    // Unreaceable code for now
 789    // return wxFontBase::IsFixedWidth();
 790 #endif
 791
 792 }
 793
 794 // ----------------------------------------------------------------------------
 795 // change font attributes
 796 // ----------------------------------------------------------------------------
 797
 798 void wxFont::SetPointSize(int pointSize)
 799 {
 800     Unshare();
 801
 802     M_FONTDATA->SetPointSize(pointSize);
 803 }
 804
 805 void wxFont::SetFamily(int family)
 806 {
 807     Unshare();
 808
 809     M_FONTDATA->SetFamily(family);
 810 }
 811
 812 void wxFont::SetStyle(int style)
 813 {
 814     Unshare();
 815
 816     M_FONTDATA->SetStyle(style);
 817 }
 818
 819 void wxFont::SetWeight(int weight)
 820 {
 821     Unshare();
 822
 823     M_FONTDATA->SetWeight(weight);
 824 }
 825
 826 bool wxFont::SetFaceName(const wxString& faceName)
 827 {
 828     Unshare();
 829
 830     return M_FONTDATA->SetFaceName(faceName) &&
 831         wxFontBase::SetFaceName(faceName);
 832 }
 833
 834 void wxFont::SetUnderlined(bool underlined)
 835 {
 836     Unshare();
 837
 838     M_FONTDATA->SetUnderlined(underlined);
 839 }
 840
 841 void wxFont::SetEncoding(wxFontEncoding encoding)
 842 {
 843     Unshare();
 844
 845     M_FONTDATA->SetEncoding(encoding);
 846 }
 847
 848 void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
 849 {
 850     Unshare();
 851
 852     M_FONTDATA->SetNativeFontInfo( info );
 853 }
 854
 855 void wxFont::SetNoAntiAliasing( bool no )
 856 {
 857     Unshare();
 858
 859     M_FONTDATA->SetNoAntiAliasing( no );
 860 }
 861
 862 #if wxUSE_UNICODE
 863 #else
 864
 865 // ----------------------------------------------------------------------------
 866 // X11 implementation
 867 // ----------------------------------------------------------------------------
 868
 869 // Find an existing, or create a new, XFontStruct
 870 // based on this wxFont and the given scale. Append the
 871 // font to list in the private data for future reference.
 872 wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
 873 {
 874     if ( !Ok() )
 875         return (wxXFont *)NULL;
 876
 877     long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
 878     int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
 879
 880     // search existing fonts first
 881     wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst();
 882     while (node)
 883     {
 884         wxXFont* f = (wxXFont*) node->GetData();
 885         if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
 886             return f;
 887         node = node->GetNext();
 888     }
 889
 890     wxString xFontName = M_FONTDATA->m_nativeFontInfo.GetXFontName();
 891     if (xFontName == "-*-*-*-*-*--*-*-*-*-*-*-*-*")
 892       // wxFont constructor not called with native font info parameter => take M_FONTDATA values
 893       xFontName.Clear();
 894
 895     // not found, create a new one
 896     XFontStruct *font = (XFontStruct *)
 897                         wxLoadQueryNearestFont(pointSize,
 898                                                M_FONTDATA->m_family,
 899                                                M_FONTDATA->m_style,
 900                                                M_FONTDATA->m_weight,
 901                                                M_FONTDATA->m_underlined,
 902                                                wxT(""),
 903                                                M_FONTDATA->m_encoding,
 904                                                & xFontName);
 905
 906     if ( !font )
 907     {
 908         wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );
 909
 910         return (wxXFont*) NULL;
 911     }
 912
 913     wxXFont* f = new wxXFont;
 914     f->m_fontStruct = (WXFontStructPtr)font;
 915     f->m_display = ( display ? display : wxGetDisplay() );
 916     f->m_scale = intScale;
 917     M_FONTDATA->m_fonts.Append(f);
 918
 919     return f;
 920 }
 921
 922 WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
 923 {
 924     wxXFont* f = GetInternalFont(scale, display);
 925
 926     return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
 927 }
 928
 929 #endif