src/palmos/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/fontenum.cpp
   3 // Purpose:     wxFontEnumerator class for Palm OS
   4 // Author:      William Osborne - minimal working wxPalmOS port
   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 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24   #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_FONTMAP
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/font.h"
  31     #include "wx/encinfo.h"
  32 #endif
  33
  34 #include "wx/palmos/private.h"
  35
  36 #include "wx/fontutil.h"
  37 #include "wx/fontenum.h"
  38 #include "wx/fontmap.h"
  39
  40 // ----------------------------------------------------------------------------
  41 // private classes
  42 // ----------------------------------------------------------------------------
  43
  44 // the helper class which calls ::EnumFontFamilies() and whose OnFont() is
  45 // called from the callback passed to this function and, in its turn, calls the
  46 // appropariate wxFontEnumerator method
  47 class wxFontEnumeratorHelper
  48 {
  49 public:
  50     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
  51
  52     // control what exactly are we enumerating
  53         // we enumerate fonts with given enocding
  54     bool SetEncoding(wxFontEncoding encoding);
  55         // we enumerate fixed-width fonts
  56     void SetFixedOnly(bool fixedOnly) { m_fixedOnly = fixedOnly; }
  57         // we enumerate the encodings available in this family
  58     void SetFamily(const wxString& family);
  59
  60     // call to start enumeration
  61     void DoEnumerate();
  62
  63     // called by our font enumeration proc
  64     bool OnFont(const LPLOGFONT lf, const LPTEXTMETRIC tm) const;
  65
  66 private:
  67     // the object we forward calls to OnFont() to
  68     wxFontEnumerator *m_fontEnum;
  69
  70     // if != -1, enum only fonts which have this encoding
  71     int m_charset;
  72
  73     // if not empty, enum only the fonts with this facename
  74     wxString m_facename;
  75
  76     // if not empty, enum only the fonts in this family
  77     wxString m_family;
  78
  79     // if TRUE, enum only fixed fonts
  80     bool m_fixedOnly;
  81
  82     // if TRUE, we enumerate the encodings, not fonts
  83     bool m_enumEncodings;
  84
  85     // the list of charsets we already found while enumerating charsets
  86     wxArrayInt m_charsets;
  87
  88     // the list of facenames we already found while enumerating facenames
  89     wxArrayString m_facenames;
  90
  91     DECLARE_NO_COPY_CLASS(wxFontEnumeratorHelper)
  92 };
  93
  94 // ----------------------------------------------------------------------------
  95 // private functions
  96 // ----------------------------------------------------------------------------
  97
  98 #ifndef __WXMICROWIN__
  99 int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
 100                                   DWORD dwStyle, LONG lParam);
 101 #endif
 102
 103 // ============================================================================
 104 // implementation
 105 // ============================================================================
 106
 107 // ----------------------------------------------------------------------------
 108 // wxFontEnumeratorHelper
 109 // ----------------------------------------------------------------------------
 110
 111 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
 112 {
 113 }
 114
 115 void wxFontEnumeratorHelper::SetFamily(const wxString& family)
 116 {
 117 }
 118
 119 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
 120 {
 121     return FALSE;
 122 }
 123
 124 #define wxFONTENUMPROC FONTENUMPROC
 125
 126 void wxFontEnumeratorHelper::DoEnumerate()
 127 {
 128 }
 129
 130 bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf,
 131                                     const LPTEXTMETRIC tm) const
 132 {
 133     return false;
 134 }
 135
 136 // ----------------------------------------------------------------------------
 137 // wxFontEnumerator
 138 // ----------------------------------------------------------------------------
 139
 140 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 141                                           bool fixedWidthOnly)
 142 {
 143     return false;
 144 }
 145
 146 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 147 {
 148     return false;
 149 }
 150
 151 #endif // wxUSE_FONTMAP