src/palmos/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        palmos/fontenum.cpp
   3 // Purpose:     wxFontEnumerator class for Palm OS
   4 // Author:      William Osborne
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id:
   8 // Copyright:   (c) William Osborne
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #if wxUSE_FONTMAP
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/font.h"
  35     #include "wx/encinfo.h"
  36 #endif
  37
  38 #include "wx/palmos/private.h"
  39
  40 #include "wx/fontutil.h"
  41 #include "wx/fontenum.h"
  42 #include "wx/fontmap.h"
  43
  44 // ----------------------------------------------------------------------------
  45 // private classes
  46 // ----------------------------------------------------------------------------
  47
  48 // the helper class which calls ::EnumFontFamilies() and whose OnFont() is
  49 // called from the callback passed to this function and, in its turn, calls the
  50 // appropariate wxFontEnumerator method
  51 class wxFontEnumeratorHelper
  52 {
  53 public:
  54     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
  55
  56     // control what exactly are we enumerating
  57         // we enumerate fonts with given enocding
  58     bool SetEncoding(wxFontEncoding encoding);
  59         // we enumerate fixed-width fonts
  60     void SetFixedOnly(bool fixedOnly) { m_fixedOnly = fixedOnly; }
  61         // we enumerate the encodings available in this family
  62     void SetFamily(const wxString& family);
  63
  64     // call to start enumeration
  65     void DoEnumerate();
  66
  67     // called by our font enumeration proc
  68     bool OnFont(const LPLOGFONT lf, const LPTEXTMETRIC tm) const;
  69
  70 private:
  71     // the object we forward calls to OnFont() to
  72     wxFontEnumerator *m_fontEnum;
  73
  74     // if != -1, enum only fonts which have this encoding
  75     int m_charset;
  76
  77     // if not empty, enum only the fonts with this facename
  78     wxString m_facename;
  79
  80     // if not empty, enum only the fonts in this family
  81     wxString m_family;
  82
  83     // if TRUE, enum only fixed fonts
  84     bool m_fixedOnly;
  85
  86     // if TRUE, we enumerate the encodings, not fonts
  87     bool m_enumEncodings;
  88
  89     // the list of charsets we already found while enumerating charsets
  90     wxArrayInt m_charsets;
  91
  92     // the list of facenames we already found while enumerating facenames
  93     wxArrayString m_facenames;
  94
  95     DECLARE_NO_COPY_CLASS(wxFontEnumeratorHelper)
  96 };
  97
  98 // ----------------------------------------------------------------------------
  99 // private functions
 100 // ----------------------------------------------------------------------------
 101
 102 #ifndef __WXMICROWIN__
 103 int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
 104                                   DWORD dwStyle, LONG lParam);
 105 #endif
 106
 107 // ============================================================================
 108 // implementation
 109 // ============================================================================
 110
 111 // ----------------------------------------------------------------------------
 112 // wxFontEnumeratorHelper
 113 // ----------------------------------------------------------------------------
 114
 115 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
 116 {
 117 }
 118
 119 void wxFontEnumeratorHelper::SetFamily(const wxString& family)
 120 {
 121 }
 122
 123 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
 124 {
 125     return FALSE;
 126 }
 127
 128 #define wxFONTENUMPROC FONTENUMPROC
 129
 130 void wxFontEnumeratorHelper::DoEnumerate()
 131 {
 132 }
 133
 134 bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf,
 135                                     const LPTEXTMETRIC tm) const
 136 {
 137     return false;
 138 }
 139
 140 // ----------------------------------------------------------------------------
 141 // wxFontEnumerator
 142 // ----------------------------------------------------------------------------
 143
 144 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 145                                           bool fixedWidthOnly)
 146 {
 147     return false;
 148 }
 149
 150 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 151 {
 152     return false;
 153 }
 154
 155 #endif // wxUSE_FONTMAP