src/mac/carbon/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/fontenum.cpp
   3 // Purpose:     wxFontEnumerator class for MacOS
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_FONTENUM
  16
  17 #include "wx/fontenum.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/font.h"
  21     #include "wx/intl.h"
  22 #endif
  23
  24 #include "wx/fontutil.h"
  25 #include "wx/fontmap.h"
  26 #include "wx/encinfo.h"
  27
  28 #include "wx/mac/private.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // wxFontEnumerator
  32 // ----------------------------------------------------------------------------
  33
  34 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
  35                                           bool fixedWidthOnly)
  36 {
  37     if ( fixedWidthOnly )
  38     {
  39         wxFAIL_MSG( "enumerating only fixed width fonts not supported" );
  40         return false;
  41     }
  42
  43     //
  44     // From Apple's QA 1471 http://developer.apple.com/qa/qa2006/qa1471.html
  45     //
  46
  47     ATSFontFamilyIterator theFontFamilyIterator = NULL;
  48     ATSFontFamilyRef theATSFontFamilyRef = 0;
  49     OSStatus status = noErr;
  50
  51     wxArrayString fontFamilies ;
  52
  53     // Create the iterator
  54     status = ATSFontFamilyIteratorCreate(kATSFontContextLocal, nil,nil,
  55                                          kATSOptionFlagsUnRestrictedScope,
  56                                          &theFontFamilyIterator );
  57
  58     wxUint32 macEncoding = wxMacGetSystemEncFromFontEnc(encoding) ;
  59
  60     while (status == noErr)
  61     {
  62         // Get the next font in the iteration.
  63         status = ATSFontFamilyIteratorNext( theFontFamilyIterator, &theATSFontFamilyRef );
  64         if(status == noErr)
  65         {
  66  #ifndef __LP64__
  67             // TODO CS : Find replacement
  68             // added CS : avoid showing fonts that won't be displayable
  69             FMFontStyle intrinsicStyle = 0 ;
  70             FMFont fontInstance ;
  71             FMFontFamily fmFamily = FMGetFontFamilyFromATSFontFamilyRef( theATSFontFamilyRef );
  72             status = FMGetFontFromFontFamilyInstance( fmFamily , 0 , &fontInstance , &intrinsicStyle);
  73             if ( status != noErr )
  74             {
  75                 status = noErr;
  76                 continue ;
  77             }
  78 #endif
  79             if ( encoding != wxFONTENCODING_SYSTEM )
  80             {
  81                 TextEncoding fontFamiliyEncoding = ATSFontFamilyGetEncoding(theATSFontFamilyRef) ;
  82                 if ( fontFamiliyEncoding != macEncoding )
  83                     continue ;
  84             }
  85
  86             // TODO: determine fixed widths ...
  87
  88             CFStringRef theName = NULL;
  89             ATSFontFamilyGetName(theATSFontFamilyRef, kATSOptionFlagsDefault, &theName);
  90             wxCFStringRef cfName(theName) ;
  91             fontFamilies.Add(cfName.AsString(wxLocale::GetSystemEncoding()));
  92         }
  93         else if (status == kATSIterationScopeModified) // Make sure the font database hasnÕt changed.
  94         {
  95             // reset the iterator
  96             status = ATSFontFamilyIteratorReset (kATSFontContextLocal, nil, nil,
  97                                                  kATSOptionFlagsUnRestrictedScope,
  98                                                  &theFontFamilyIterator);
  99             fontFamilies.Clear() ;
 100         }
 101     }
 102     ATSFontFamilyIteratorRelease(&theFontFamilyIterator);
 103
 104     for ( size_t i = 0 ; i < fontFamilies.Count() ; ++i )
 105     {
 106         if ( OnFacename( fontFamilies[i] ) == false )
 107             break ;
 108     }
 109
 110     return true;
 111 }
 112
 113 bool wxFontEnumerator::EnumerateEncodings(const wxString& WXUNUSED(family))
 114 {
 115     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 116
 117     return true;
 118 }
 119
 120 #endif // wxUSE_FONTENUM