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