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Prevent seg fault for older GTK+
[wxWidgets.git] / include / wx / fmappriv.h
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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: $Id$
77ffb593 8// Copyright: (c) 1999-2003 Vadim Zeitlin <vadim@wxwidgets.org>
65571936 9// Licence: wxWindows licence
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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
23enum { wxFONTENCODING_UNKNOWN = -2 };
24
25// the config paths we use
26#if wxUSE_CONFIG
27
e7d9c398 28#define FONTMAPPER_ROOT_PATH wxT("/wxWindows/FontMapper")
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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
f1c75e0f 38#if wxUSE_CONFIG && wxUSE_FILECONFIG
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39
40class wxFontMapperPathChanger
41{
42public:
43 wxFontMapperPathChanger(wxFontMapperBase *fontMapper, const wxString& path)
44 {
45 m_fontMapper = fontMapper;
46 m_ok = m_fontMapper->ChangePath(path, &m_pathOld);
47 }
48
49 bool IsOk() const { return m_ok; }
50
51 ~wxFontMapperPathChanger()
52 {
53 if ( IsOk() )
54 m_fontMapper->RestorePath(m_pathOld);
55 }
56
57private:
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