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          p_name ;
 106         char        c_name[256] ;
 107         short           lines ;
 108
 109         menu = NewMenu( 32000 , "\pFont" )  ;
 110         AppendResMenu( menu , 'FONT' ) ;
 111         lines = CountMenuItems( menu ) ;
 112
 113         for ( int i = 1 ; i < lines+1  ; i ++ )
 114         {
 115             GetMenuItemText( menu , i , p_name ) ;
 116 #if TARGET_CARBON
 117             p2cstrcpy( c_name, p_name ) ;
 118 #else
 119                 p2cstr( p_name ) ;
 120             strcpy( c_name, (char *)p_name ) ;
 121 #endif
 122             /*
 123
 124               if ( m_fixedOnly )
 125             {
 126                 // check that it's a fixed pitch font (there is *no* error here, the
 127                 // flag name is misleading!)
 128                 if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
 129                 {
 130                     // not a fixed pitch font
 131                     return TRUE;
 132                 }
 133             }
 134
 135             if ( m_charset != -1 )
 136             {
 137                 // check that we have the right encoding
 138                 if ( lf->lfCharSet != m_charset )
 139                 {
 140                     return TRUE;
 141                 }
 142             }
 143
 144                 */
 145                 m_fontEnum->OnFacename( c_name ) ;
 146         }
 147         DisposeMenu( menu ) ;
 148 }
 149
 150 // ----------------------------------------------------------------------------
 151 // wxFontEnumerator
 152 // ----------------------------------------------------------------------------
 153
 154 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 155                                           bool fixedWidthOnly)
 156 {
 157     wxFontEnumeratorHelper fe(this);
 158     if ( fe.SetEncoding(encoding) )
 159     {
 160         fe.SetFixedOnly(fixedWidthOnly);
 161
 162         fe.DoEnumerate();
 163     }
 164     // else: no such fonts, unknown encoding
 165
 166     return TRUE;
 167 }
 168
 169 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 170 {
 171     wxFAIL_MSG(wxT("TODO"));
 172
 173     return TRUE;
 174 }