src/mac/carbon/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_FONTMAP
  16
  17 #include "wx/fontenum.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/font.h"
  21     #include "wx/intl.h"
  22 #endif
  23
  24 #include "wx/fontutil.h"
  25 #include "wx/fontmap.h"
  26 #include "wx/fontutil.h"
  27 #include "wx/encinfo.h"
  28
  29 #include "wx/mac/private.h"
  30
  31
  32 class wxFontEnumeratorHelper
  33 {
  34 public:
  35     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
  36
  37     // control what exactly are we enumerating
  38     bool SetEncoding(wxFontEncoding encoding);
  39     void SetFixedOnly(bool fixedOnly)
  40         { m_fixedOnly = fixedOnly; }
  41
  42     // call to start enumeration
  43     void DoEnumerate();
  44
  45 private:
  46     // the object we forward calls to OnFont() to
  47     wxFontEnumerator *m_fontEnum;
  48
  49     // if != -1, enum only fonts which have this encoding
  50     int m_charset;
  51
  52     // if not empty, enum only the fonts with this facename
  53     wxString m_facename;
  54
  55     // if true, enum only fixed fonts
  56     bool m_fixedOnly;
  57 };
  58
  59 // ============================================================================
  60 // implementation
  61 // ============================================================================
  62
  63 // ----------------------------------------------------------------------------
  64 // wxFontEnumeratorHelper
  65 // ----------------------------------------------------------------------------
  66
  67 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
  68 {
  69     m_fontEnum = fontEnum;
  70     m_charset = -1;
  71     m_fixedOnly = false;
  72 }
  73
  74 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
  75 {
  76     wxNativeEncodingInfo info;
  77     if ( !wxGetNativeFontEncoding( encoding, &info ) )
  78     {
  79         if ( !wxFontMapper::Get()->GetAltForEncoding( encoding, &info ) )
  80             // no such encodings at all
  81             return false;
  82     }
  83
  84     m_charset = info.charset;
  85     m_facename = info.facename;
  86
  87     return true;
  88 }
  89
  90 void wxFontEnumeratorHelper::DoEnumerate()
  91 {
  92     MenuHandle    menu;
  93     short         lines;
  94
  95     menu = NewMenu( 32000, "\pFont" );
  96     AppendResMenu( menu, 'FONT' );
  97     lines = CountMenuItems( menu );
  98
  99     for ( int i = 1; i < lines + 1; i ++ )
 100     {
 101         wxString c_name ;
 102 #if TARGET_API_MAC_CARBON
 103         CFStringRef menutext ;
 104         c_name = wxEmptyString ;
 105         if ( CopyMenuItemTextAsCFString (menu, i, &menutext) == noErr )
 106         {
 107             c_name = wxMacCFStringHolder(menutext).AsString(wxLocale::GetSystemEncoding());
 108         }
 109 #else
 110         Str255        p_name;
 111         GetMenuItemText( menu, i, p_name );
 112         c_name = wxMacMakeStringFromPascal( p_name );
 113 #endif
 114
 115 #if 0
 116         if ( m_fixedOnly )
 117         {
 118             // check that it's a fixed pitch font:
 119             // there is *no* error here: the flag name is misleading!
 120             if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
 121                 // not a fixed pitch font
 122                 return true;
 123         }
 124
 125         if ( m_charset != -1 )
 126         {
 127             // check that we have the right encoding
 128             if ( lf->lfCharSet != m_charset )
 129                 return true;
 130         }
 131 #endif
 132
 133         m_fontEnum->OnFacename( c_name );
 134     }
 135
 136     DisposeMenu( menu );
 137 }
 138
 139 // ----------------------------------------------------------------------------
 140 // wxFontEnumerator
 141 // ----------------------------------------------------------------------------
 142
 143 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 144                                           bool fixedWidthOnly)
 145 {
 146     wxFontEnumeratorHelper fe(this);
 147     if ( fe.SetEncoding(encoding) )
 148     {
 149         fe.SetFixedOnly(fixedWidthOnly);
 150
 151         fe.DoEnumerate();
 152     }
 153     // else: no such fonts, unknown encoding
 154
 155     return true;
 156 }
 157
 158 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 159 {
 160     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 161
 162     return true;
 163 }
 164
 165 #endif // wxUSE_FONTMAP