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 // ----------------------------------------------------------------------------
  41 // private classes
  42 // ----------------------------------------------------------------------------
  43
  44 class wxFontEnumeratorHelper
  45 {
  46 public:
  47     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
  48
  49     // control what exactly are we enumerating
  50     bool SetEncoding(wxFontEncoding encoding);
  51     void SetFixedOnly(bool fixedOnly)
  52         { m_fixedOnly = fixedOnly; }
  53
  54     // call to start enumeration
  55     void DoEnumerate();
  56
  57 private:
  58     // the object we forward calls to OnFont() to
  59     wxFontEnumerator *m_fontEnum;
  60
  61     // if != -1, enum only fonts which have this encoding
  62     int m_charset;
  63
  64     // if not empty, enum only the fonts with this facename
  65     wxString m_facename;
  66
  67     // if TRUE, enum only fixed fonts
  68     bool m_fixedOnly;
  69 };
  70 // ============================================================================
  71 // implementation
  72 // ============================================================================
  73
  74 // ----------------------------------------------------------------------------
  75 // wxFontEnumeratorHelper
  76 // ----------------------------------------------------------------------------
  77
  78 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
  79 {
  80     m_fontEnum = fontEnum;
  81     m_charset = -1;
  82     m_fixedOnly = FALSE;
  83 }
  84
  85 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
  86 {
  87     wxNativeEncodingInfo info;
  88     if ( !wxGetNativeFontEncoding(encoding, &info) )
  89     {
  90         if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
  91         {
  92             // no such encodings at all
  93             return FALSE;
  94         }
  95     }
  96     m_charset = info.charset;
  97     m_facename = info.facename;
  98
  99     return TRUE;
 100 }
 101
 102 void wxFontEnumeratorHelper::DoEnumerate()
 103 {
 104         MenuHandle      menu ;
 105         Str255          name ;
 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 , name ) ;
 115                 p2cstr( name ) ;
 116                 /*
 117
 118                     if ( m_fixedOnly )
 119             {
 120                 // check that it's a fixed pitch font (there is *no* error here, the
 121                 // flag name is misleading!)
 122                 if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
 123                 {
 124                     // not a fixed pitch font
 125                     return TRUE;
 126                 }
 127             }
 128
 129             if ( m_charset != -1 )
 130             {
 131                 // check that we have the right encoding
 132                 if ( lf->lfCharSet != m_charset )
 133                 {
 134                     return TRUE;
 135                 }
 136             }
 137
 138                 */
 139                 m_fontEnum->OnFacename( name ) ;
 140         }
 141         DisposeMenu( menu ) ;
 142 }
 143
 144 // ----------------------------------------------------------------------------
 145 // wxFontEnumerator
 146 // ----------------------------------------------------------------------------
 147
 148 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 149                                           bool fixedWidthOnly)
 150 {
 151     wxFontEnumeratorHelper fe(this);
 152     if ( fe.SetEncoding(encoding) )
 153     {
 154         fe.SetFixedOnly(fixedWidthOnly);
 155
 156         fe.DoEnumerate();
 157     }
 158     // else: no such fonts, unknown encoding
 159
 160     return TRUE;
 161 }
 162
 163 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 164 {
 165     wxFAIL_MSG(wxT("TODO"));
 166
 167     return TRUE;
 168 }