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/fontmap.h"
  37 #include "wx/fontutil.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 ( !wxTheFontMapper->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          name ;
 105         short           lines ;
 106
 107         menu = NewMenu( 32000 , "\pFont" )  ;
 108         AppendResMenu( menu , 'FONT' ) ;
 109         lines = CountMenuItems( menu ) ;
 110
 111         for ( int i = 1 ; i < lines+1  ; i ++ )
 112         {
 113                 GetMenuItemText( menu , i , name ) ;
 114                 p2cstr( name ) ;
 115                 /*
 116
 117                     if ( m_fixedOnly )
 118             {
 119                 // check that it's a fixed pitch font (there is *no* error here, the
 120                 // flag name is misleading!)
 121                 if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
 122                 {
 123                     // not a fixed pitch font
 124                     return TRUE;
 125                 }
 126             }
 127
 128             if ( m_charset != -1 )
 129             {
 130                 // check that we have the right encoding
 131                 if ( lf->lfCharSet != m_charset )
 132                 {
 133                     return TRUE;
 134                 }
 135             }
 136
 137                 */
 138                 m_fontEnum->OnFacename( name ) ;
 139         }
 140         DisposeMenu( menu ) ;
 141 }
 142
 143 // ----------------------------------------------------------------------------
 144 // wxFontEnumerator
 145 // ----------------------------------------------------------------------------
 146
 147 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 148                                           bool fixedWidthOnly)
 149 {
 150     wxFontEnumeratorHelper fe(this);
 151     if ( fe.SetEncoding(encoding) )
 152     {
 153         fe.SetFixedOnly(fixedWidthOnly);
 154
 155         fe.DoEnumerate();
 156     }
 157     // else: no such fonts, unknown encoding
 158
 159     return TRUE;
 160 }
 161
 162 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 163 {
 164     wxFAIL_MSG(wxT("TODO"));
 165
 166     return TRUE;
 167 }