1 ///////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/fmappriv.h
3 // Purpose:     private wxFontMapper stuff, not to be used by the library users
4 // Author:      Vadim Zeitlin
5 // Modified by:
6 // Created:     21.06.2003 (extracted from common/fontmap.cpp)
7 // RCS-ID:      $Id: fmappriv.h 27454 2004-05-26 10:49:43Z JS $
8 // Copyright:   (c) 1999-2003 Vadim Zeitlin <vadim@wxwidgets.org>
9 // Licence:     wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11 
12 #ifndef _WX_FMAPPRIV_H_
13 #define _WX_FMAPPRIV_H_
14 
15 // ----------------------------------------------------------------------------
16 // constants
17 // ----------------------------------------------------------------------------
18 
19 // a special pseudo encoding which means "don't ask me about this charset
20 // any more" -- we need it to avoid driving the user crazy with asking him
21 // time after time about the same charset which he [presumably] doesn't
22 // have the fonts for
23 enum { wxFONTENCODING_UNKNOWN = -2 };
24 
25 // the config paths we use
26 #if wxUSE_CONFIG
27 
28 #define FONTMAPPER_ROOT_PATH wxT("/wxWindows/FontMapper")
29 #define FONTMAPPER_CHARSET_PATH wxT("Charsets")
30 #define FONTMAPPER_CHARSET_ALIAS_PATH wxT("Aliases")
31 
32 #endif // wxUSE_CONFIG
33 
34 // ----------------------------------------------------------------------------
35 // wxFontMapperPathChanger: change the config path during our lifetime
36 // ----------------------------------------------------------------------------
37 
38 #if wxUSE_CONFIG && wxUSE_FILECONFIG
39 
40 class wxFontMapperPathChanger
41 {
42 public:
wxFontMapperPathChanger(wxFontMapperBase * fontMapper,const wxString & path)43     wxFontMapperPathChanger(wxFontMapperBase *fontMapper, const wxString& path)
44     {
45         m_fontMapper = fontMapper;
46         m_ok = m_fontMapper->ChangePath(path, &m_pathOld);
47     }
48 
IsOk()49     bool IsOk() const { return m_ok; }
50 
~wxFontMapperPathChanger()51     ~wxFontMapperPathChanger()
52     {
53         if ( IsOk() )
54             m_fontMapper->RestorePath(m_pathOld);
55     }
56 
57 private:
58     // the fontmapper object we're working with
59     wxFontMapperBase *m_fontMapper;
60 
61     // the old path to be restored if m_ok
62     wxString m_pathOld;
63 
64     // have we changed the path successfully?
65     bool m_ok;
66 
67 
68     DECLARE_NO_COPY_CLASS(wxFontMapperPathChanger)
69 };
70 
71 #endif // wxUSE_CONFIG
72 
73 #endif // _WX_FMAPPRIV_H_
74 
75