src/mac/classic/fontenum.cpp

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