src/mac/carbon/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        mac/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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "fontenum.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28   #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32   #include "wx/font.h"
  33 #endif
  34
  35 #include "wx/fontenum.h"
  36 #include "wx/fontutil.h"
  37 #include "wx/fontmap.h"
  38 #include "wx/fontutil.h"
  39
  40 #include "wx/mac/private.h"
  41
  42 // ----------------------------------------------------------------------------
  43 // private classes
  44 // ----------------------------------------------------------------------------
  45
  46 class wxFontEnumeratorHelper
  47 {
  48 public:
  49     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
  50
  51     // control what exactly are we enumerating
  52     bool SetEncoding(wxFontEncoding encoding);
  53     void SetFixedOnly(bool fixedOnly)
  54         { m_fixedOnly = fixedOnly; }
  55
  56     // call to start enumeration
  57     void DoEnumerate();
  58
  59 private:
  60     // the object we forward calls to OnFont() to
  61     wxFontEnumerator *m_fontEnum;
  62
  63     // if != -1, enum only fonts which have this encoding
  64     int m_charset;
  65
  66     // if not empty, enum only the fonts with this facename
  67     wxString m_facename;
  68
  69     // if TRUE, enum only fixed fonts
  70     bool m_fixedOnly;
  71 };
  72 // ============================================================================
  73 // implementation
  74 // ============================================================================
  75
  76 // ----------------------------------------------------------------------------
  77 // wxFontEnumeratorHelper
  78 // ----------------------------------------------------------------------------
  79
  80 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
  81 {
  82     m_fontEnum = fontEnum;
  83     m_charset = -1;
  84     m_fixedOnly = FALSE;
  85 }
  86
  87 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
  88 {
  89     wxNativeEncodingInfo info;
  90     if ( !wxGetNativeFontEncoding(encoding, &info) )
  91     {
  92         if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
  93         {
  94             // no such encodings at all
  95             return FALSE;
  96         }
  97     }
  98     m_charset = info.charset;
  99     m_facename = info.facename;
 100
 101     return TRUE;
 102 }
 103
 104 void wxFontEnumeratorHelper::DoEnumerate()
 105 {
 106     MenuHandle    menu ;
 107     Str255        p_name ;
 108
 109     short         lines ;
 110
 111     menu = NewMenu( 32000 , "\pFont" )  ;
 112     AppendResMenu( menu , 'FONT' ) ;
 113     lines = CountMenuItems( menu ) ;
 114
 115     for ( int i = 1 ; i < lines+1  ; i ++ )
 116     {
 117         GetMenuItemText( menu , i , p_name ) ;
 118         wxString c_name = wxMacMakeStringFromPascal(p_name) ;
 119
 120         /*
 121
 122           if ( m_fixedOnly )
 123         {
 124             // check that it's a fixed pitch font (there is *no* error here, the
 125             // flag name is misleading!)
 126             if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
 127             {
 128                 // not a fixed pitch font
 129                 return TRUE;
 130             }
 131         }
 132
 133         if ( m_charset != -1 )
 134         {
 135             // check that we have the right encoding
 136             if ( lf->lfCharSet != m_charset )
 137             {
 138                 return TRUE;
 139             }
 140         }
 141
 142         */
 143         m_fontEnum->OnFacename( c_name ) ;
 144     }
 145     DisposeMenu( menu ) ;
 146 }
 147
 148 // ----------------------------------------------------------------------------
 149 // wxFontEnumerator
 150 // ----------------------------------------------------------------------------
 151
 152 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 153                                           bool fixedWidthOnly)
 154 {
 155     wxFontEnumeratorHelper fe(this);
 156     if ( fe.SetEncoding(encoding) )
 157     {
 158         fe.SetFixedOnly(fixedWidthOnly);
 159
 160         fe.DoEnumerate();
 161     }
 162     // else: no such fonts, unknown encoding
 163
 164     return TRUE;
 165 }
 166
 167 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 168 {
 169     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 170
 171     return TRUE;
 172 }