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 #include "wx/encinfo.h"
  40
  41 #include "wx/mac/private.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // private classes
  45 // ----------------------------------------------------------------------------
  46
  47 class wxFontEnumeratorHelper
  48 {
  49 public:
  50     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
  51
  52     // control what exactly are we enumerating
  53     bool SetEncoding(wxFontEncoding encoding);
  54     void SetFixedOnly(bool fixedOnly)
  55         { m_fixedOnly = fixedOnly; }
  56
  57     // call to start enumeration
  58     void DoEnumerate();
  59
  60 private:
  61     // the object we forward calls to OnFont() to
  62     wxFontEnumerator *m_fontEnum;
  63
  64     // if != -1, enum only fonts which have this encoding
  65     int m_charset;
  66
  67     // if not empty, enum only the fonts with this facename
  68     wxString m_facename;
  69
  70     // if TRUE, enum only fixed fonts
  71     bool m_fixedOnly;
  72 };
  73 // ============================================================================
  74 // implementation
  75 // ============================================================================
  76
  77 // ----------------------------------------------------------------------------
  78 // wxFontEnumeratorHelper
  79 // ----------------------------------------------------------------------------
  80
  81 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
  82 {
  83     m_fontEnum = fontEnum;
  84     m_charset = -1;
  85     m_fixedOnly = FALSE;
  86 }
  87
  88 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
  89 {
  90     wxNativeEncodingInfo info;
  91     if ( !wxGetNativeFontEncoding(encoding, &info) )
  92     {
  93         if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
  94         {
  95             // no such encodings at all
  96             return FALSE;
  97         }
  98     }
  99     m_charset = info.charset;
 100     m_facename = info.facename;
 101
 102     return TRUE;
 103 }
 104
 105 void wxFontEnumeratorHelper::DoEnumerate()
 106 {
 107     MenuHandle    menu ;
 108     Str255        p_name ;
 109
 110     short         lines ;
 111
 112     menu = NewMenu( 32000 , "\pFont" )  ;
 113     AppendResMenu( menu , 'FONT' ) ;
 114     lines = CountMenuItems( menu ) ;
 115
 116     for ( int i = 1 ; i < lines+1  ; i ++ )
 117     {
 118         GetMenuItemText( menu , i , p_name ) ;
 119         wxString c_name = wxMacMakeStringFromPascal(p_name) ;
 120
 121         /*
 122
 123           if ( m_fixedOnly )
 124         {
 125             // check that it's a fixed pitch font (there is *no* error here, the
 126             // flag name is misleading!)
 127             if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
 128             {
 129                 // not a fixed pitch font
 130                 return TRUE;
 131             }
 132         }
 133
 134         if ( m_charset != -1 )
 135         {
 136             // check that we have the right encoding
 137             if ( lf->lfCharSet != m_charset )
 138             {
 139                 return TRUE;
 140             }
 141         }
 142
 143         */
 144         m_fontEnum->OnFacename( c_name ) ;
 145     }
 146     DisposeMenu( menu ) ;
 147 }
 148
 149 // ----------------------------------------------------------------------------
 150 // wxFontEnumerator
 151 // ----------------------------------------------------------------------------
 152
 153 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 154                                           bool fixedWidthOnly)
 155 {
 156     wxFontEnumeratorHelper fe(this);
 157     if ( fe.SetEncoding(encoding) )
 158     {
 159         fe.SetFixedOnly(fixedWidthOnly);
 160
 161         fe.DoEnumerate();
 162     }
 163     // else: no such fonts, unknown encoding
 164
 165     return TRUE;
 166 }
 167
 168 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 169 {
 170     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 171
 172     return TRUE;
 173 }