0a53b9b8fe
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27433 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
732 lines
21 KiB
C++
732 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: common/fmapbase.cpp
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// Purpose: wxFontMapperBase class implementation
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 21.06.2003 (extracted from common/fontmap.cpp)
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// RCS-ID: $Id$
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// Copyright: (c) 1999-2003 Vadim Zeitlin <vadim@wxwindows.org>
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// License: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_FONTMAP
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/log.h"
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#include "wx/intl.h"
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#endif //WX_PRECOMP
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#if defined(__WXMSW__)
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#include "wx/msw/private.h" // includes windows.h for LOGFONT
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#include "wx/msw/winundef.h"
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#endif
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#include "wx/fontmap.h"
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#include "wx/fmappriv.h"
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#include "wx/apptrait.h"
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#include "wx/module.h"
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// wxMemoryConfig uses wxFileConfig
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#if wxUSE_CONFIG && wxUSE_FILECONFIG
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#include "wx/config.h"
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#include "wx/memconf.h"
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#endif
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// encodings supported by GetEncodingDescription
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static wxFontEncoding gs_encodings[] =
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{
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wxFONTENCODING_ISO8859_1,
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wxFONTENCODING_ISO8859_2,
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wxFONTENCODING_ISO8859_3,
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wxFONTENCODING_ISO8859_4,
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wxFONTENCODING_ISO8859_5,
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wxFONTENCODING_ISO8859_6,
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wxFONTENCODING_ISO8859_7,
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wxFONTENCODING_ISO8859_8,
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wxFONTENCODING_ISO8859_9,
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wxFONTENCODING_ISO8859_10,
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wxFONTENCODING_ISO8859_11,
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wxFONTENCODING_ISO8859_12,
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wxFONTENCODING_ISO8859_13,
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wxFONTENCODING_ISO8859_14,
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wxFONTENCODING_ISO8859_15,
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wxFONTENCODING_KOI8,
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wxFONTENCODING_KOI8_U,
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wxFONTENCODING_CP932,
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wxFONTENCODING_CP936,
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wxFONTENCODING_CP949,
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wxFONTENCODING_CP950,
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wxFONTENCODING_CP1250,
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wxFONTENCODING_CP1251,
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wxFONTENCODING_CP1252,
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wxFONTENCODING_CP1253,
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wxFONTENCODING_CP1254,
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wxFONTENCODING_CP1255,
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wxFONTENCODING_CP1256,
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wxFONTENCODING_CP1257,
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wxFONTENCODING_CP437,
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wxFONTENCODING_UTF7,
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wxFONTENCODING_UTF8,
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wxFONTENCODING_UTF16,
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wxFONTENCODING_UTF16BE,
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wxFONTENCODING_UTF16LE,
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wxFONTENCODING_UTF32,
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wxFONTENCODING_UTF32BE,
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wxFONTENCODING_UTF32LE,
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wxFONTENCODING_EUC_JP,
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};
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// the descriptions for them
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static const wxChar* gs_encodingDescs[] =
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{
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wxTRANSLATE( "Western European (ISO-8859-1)" ),
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wxTRANSLATE( "Central European (ISO-8859-2)" ),
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wxTRANSLATE( "Esperanto (ISO-8859-3)" ),
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wxTRANSLATE( "Baltic (old) (ISO-8859-4)" ),
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wxTRANSLATE( "Cyrillic (ISO-8859-5)" ),
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wxTRANSLATE( "Arabic (ISO-8859-6)" ),
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wxTRANSLATE( "Greek (ISO-8859-7)" ),
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wxTRANSLATE( "Hebrew (ISO-8859-8)" ),
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wxTRANSLATE( "Turkish (ISO-8859-9)" ),
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wxTRANSLATE( "Nordic (ISO-8859-10)" ),
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wxTRANSLATE( "Thai (ISO-8859-11)" ),
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wxTRANSLATE( "Indian (ISO-8859-12)" ),
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wxTRANSLATE( "Baltic (ISO-8859-13)" ),
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wxTRANSLATE( "Celtic (ISO-8859-14)" ),
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wxTRANSLATE( "Western European with Euro (ISO-8859-15)" ),
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wxTRANSLATE( "KOI8-R" ),
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wxTRANSLATE( "KOI8-U" ),
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wxTRANSLATE( "Windows Japanese (CP 932)" ),
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wxTRANSLATE( "Windows Chinese Simplified (CP 936)" ),
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wxTRANSLATE( "Windows Korean (CP 949)" ),
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wxTRANSLATE( "Windows Chinese Traditional (CP 950)" ),
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wxTRANSLATE( "Windows Central European (CP 1250)" ),
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wxTRANSLATE( "Windows Cyrillic (CP 1251)" ),
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wxTRANSLATE( "Windows Western European (CP 1252)" ),
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wxTRANSLATE( "Windows Greek (CP 1253)" ),
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wxTRANSLATE( "Windows Turkish (CP 1254)" ),
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wxTRANSLATE( "Windows Hebrew (CP 1255)" ),
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wxTRANSLATE( "Windows Arabic (CP 1256)" ),
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wxTRANSLATE( "Windows Baltic (CP 1257)" ),
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wxTRANSLATE( "Windows/DOS OEM (CP 437)" ),
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wxTRANSLATE( "Unicode 7 bit (UTF-7)" ),
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wxTRANSLATE( "Unicode 8 bit (UTF-8)" ),
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wxTRANSLATE( "Unicode 16 bit (UTF-16)" ),
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wxTRANSLATE( "Unicode 16 bit Big Endian (UTF-16BE)" ),
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wxTRANSLATE( "Unicode 16 bit Little Endian (UTF-16LE)" ),
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wxTRANSLATE( "Unicode 32 bit (UTF-32)" ),
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wxTRANSLATE( "Unicode 32 bit Big Endian (UTF-32BE)" ),
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wxTRANSLATE( "Unicode 32 bit Little Endian (UTF-32LE)" ),
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wxTRANSLATE( "Extended Unix Codepage for Japanese (EUC-JP)" ),
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};
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// and the internal names (these are not translated on purpose!)
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static const wxChar* gs_encodingNames[] =
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{
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wxT( "iso-8859-1" ),
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wxT( "iso-8859-2" ),
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wxT( "iso-8859-3" ),
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wxT( "iso-8859-4" ),
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wxT( "iso-8859-5" ),
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wxT( "iso-8859-6" ),
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wxT( "iso-8859-7" ),
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wxT( "iso-8859-8" ),
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wxT( "iso-8859-9" ),
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wxT( "iso-8859-10" ),
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wxT( "iso-8859-11" ),
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wxT( "iso-8859-12" ),
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wxT( "iso-8859-13" ),
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wxT( "iso-8859-14" ),
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wxT( "iso-8859-15" ),
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wxT( "koi8-r" ),
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wxT( "koi8-u" ),
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wxT( "windows-932" ),
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wxT( "windows-936" ),
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wxT( "windows-949" ),
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wxT( "windows-950" ),
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wxT( "windows-1250" ),
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wxT( "windows-1251" ),
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wxT( "windows-1252" ),
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wxT( "windows-1253" ),
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wxT( "windows-1254" ),
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wxT( "windows-1255" ),
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wxT( "windows-1256" ),
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wxT( "windows-1257" ),
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wxT( "windows-437" ),
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wxT( "utf-7" ),
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wxT( "utf-8" ),
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wxT( "utf-16" ),
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wxT( "utf-16be" ),
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wxT( "utf-16le" ),
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wxT( "utf-32" ),
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wxT( "utf-32be" ),
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wxT( "utf-32le" ),
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wxT( "euc-jp" ),
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};
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wxCOMPILE_TIME_ASSERT( WXSIZEOF(gs_encodingDescs) == WXSIZEOF(gs_encodings) &&
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WXSIZEOF(gs_encodingNames) == WXSIZEOF(gs_encodings),
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EncodingsArraysNotInSync );
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// clean up the font mapper object
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class wxFontMapperModule : public wxModule
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{
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public:
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wxFontMapperModule() : wxModule() { }
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virtual bool OnInit() { return TRUE; }
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virtual void OnExit() { delete wxFontMapper::Set(NULL); }
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DECLARE_DYNAMIC_CLASS(wxFontMapperModule)
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};
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IMPLEMENT_DYNAMIC_CLASS(wxFontMapperModule, wxModule)
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// ============================================================================
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// wxFontMapperBase implementation
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// ============================================================================
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wxFontMapper *wxFontMapperBase::sm_instance = NULL;
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// ----------------------------------------------------------------------------
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// ctor and dtor
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// ----------------------------------------------------------------------------
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wxFontMapperBase::wxFontMapperBase()
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{
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#if wxUSE_CONFIG && wxUSE_FILECONFIG
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m_config = NULL;
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m_configIsDummy = FALSE;
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#endif // wxUSE_CONFIG
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}
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wxFontMapperBase::~wxFontMapperBase()
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{
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#if wxUSE_CONFIG && wxUSE_FILECONFIG
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if ( m_configIsDummy )
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delete m_config;
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#endif // wxUSE_CONFIG
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}
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/* static */
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wxFontMapper *wxFontMapperBase::Get()
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{
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if ( !sm_instance )
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{
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wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
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if ( traits )
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{
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sm_instance = traits->CreateFontMapper();
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wxASSERT_MSG( sm_instance,
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_T("wxAppTraits::CreateFontMapper() failed") );
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}
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if ( !sm_instance )
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{
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// last resort: we must create something because the existing code
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// relies on always having a valid font mapper object
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sm_instance = (wxFontMapper *)new wxFontMapperBase;
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}
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}
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return sm_instance;
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}
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/* static */
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wxFontMapper *wxFontMapperBase::Set(wxFontMapper *mapper)
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{
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wxFontMapper *old = sm_instance;
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sm_instance = mapper;
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return old;
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}
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#if wxUSE_CONFIG && wxUSE_FILECONFIG
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// ----------------------------------------------------------------------------
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// config usage customisation
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// ----------------------------------------------------------------------------
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/* static */
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const wxChar *wxFontMapperBase::GetDefaultConfigPath()
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{
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return FONTMAPPER_ROOT_PATH;
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}
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void wxFontMapperBase::SetConfigPath(const wxString& prefix)
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{
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wxCHECK_RET( !prefix.IsEmpty() && prefix[0] == wxCONFIG_PATH_SEPARATOR,
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wxT("an absolute path should be given to wxFontMapper::SetConfigPath()") );
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m_configRootPath = prefix;
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}
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// ----------------------------------------------------------------------------
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// get config object and path for it
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// ----------------------------------------------------------------------------
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wxConfigBase *wxFontMapperBase::GetConfig()
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{
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if ( !m_config )
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{
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// try the default
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m_config = wxConfig::Get(FALSE /*don't create on demand*/ );
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if ( !m_config )
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{
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// we still want to have a config object because otherwise we would
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// keep asking the user the same questions in the interactive mode,
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// so create a dummy config which won't write to any files/registry
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// but will allow us to remember the results of the questions at
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// least during this run
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m_config = new wxMemoryConfig;
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m_configIsDummy = TRUE;
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// VS: we can't call wxConfig::Set(m_config) here because that would
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// disable automatic wxConfig instance creation if this code was
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// called before wxApp::OnInit (this happens in wxGTK -- it sets
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// default wxFont encoding in wxApp::Initialize())
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}
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}
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if ( m_configIsDummy && wxConfig::Get(FALSE) != NULL )
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{
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// VS: in case we created dummy m_config (see above), we want to switch back
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// to the real one as soon as one becomes available.
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delete m_config;
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m_config = wxConfig::Get(FALSE);
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m_configIsDummy = FALSE;
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// FIXME: ideally, we should add keys from dummy config to the real one now,
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// but it is a low-priority task because typical wxWin application
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// either doesn't use wxConfig at all or creates wxConfig object in
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// wxApp::OnInit(), before any real interaction with the user takes
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// place...
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}
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return m_config;
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}
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const wxString& wxFontMapperBase::GetConfigPath()
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{
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if ( !m_configRootPath )
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{
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// use the default
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m_configRootPath = GetDefaultConfigPath();
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}
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return m_configRootPath;
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}
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// ----------------------------------------------------------------------------
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// config helpers
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// ----------------------------------------------------------------------------
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bool wxFontMapperBase::ChangePath(const wxString& pathNew, wxString *pathOld)
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{
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wxConfigBase *config = GetConfig();
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if ( !config )
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return FALSE;
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*pathOld = config->GetPath();
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wxString path = GetConfigPath();
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if ( path.IsEmpty() || path.Last() != wxCONFIG_PATH_SEPARATOR )
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{
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path += wxCONFIG_PATH_SEPARATOR;
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}
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wxASSERT_MSG( !pathNew || (pathNew[0] != wxCONFIG_PATH_SEPARATOR),
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wxT("should be a relative path") );
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path += pathNew;
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config->SetPath(path);
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return TRUE;
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}
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void wxFontMapperBase::RestorePath(const wxString& pathOld)
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{
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GetConfig()->SetPath(pathOld);
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}
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#endif
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// ----------------------------------------------------------------------------
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// charset/encoding correspondence
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// ----------------------------------------------------------------------------
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wxFontEncoding
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wxFontMapperBase::CharsetToEncoding(const wxString& charset,
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bool WXUNUSED(interactive))
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{
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int enc = NonInteractiveCharsetToEncoding(charset);
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if ( enc == wxFONTENCODING_UNKNOWN )
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{
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// we should return wxFONTENCODING_SYSTEM from here for unknown
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// encodings
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enc = wxFONTENCODING_SYSTEM;
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}
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return (wxFontEncoding)enc;
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}
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int
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wxFontMapperBase::NonInteractiveCharsetToEncoding(const wxString& charset)
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{
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wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
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// we're going to modify it, make a copy
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wxString cs = charset;
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#if wxUSE_CONFIG && wxUSE_FILECONFIG
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// first try the user-defined settings
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wxFontMapperPathChanger path(this, FONTMAPPER_CHARSET_PATH);
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if ( path.IsOk() )
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{
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wxConfigBase *config = GetConfig();
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// do we have an encoding for this charset?
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long value = config->Read(charset, -1l);
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if ( value != -1 )
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{
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if ( value == wxFONTENCODING_UNKNOWN )
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{
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// don't try to find it, in particular don't ask the user
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return value;
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}
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if ( value >= 0 && value <= wxFONTENCODING_MAX )
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{
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encoding = (wxFontEncoding)value;
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}
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else
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{
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wxLogDebug(wxT("corrupted config data: invalid encoding %ld for charset '%s' ignored"),
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value, charset.c_str());
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}
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}
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if ( encoding == wxFONTENCODING_SYSTEM )
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{
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// may be we have an alias?
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config->SetPath(FONTMAPPER_CHARSET_ALIAS_PATH);
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wxString alias = config->Read(charset);
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if ( !!alias )
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{
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// yes, we do - use it instead
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cs = alias;
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}
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}
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}
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#endif // wxUSE_CONFIG
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// if didn't find it there, try to recognize it ourselves
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if ( encoding == wxFONTENCODING_SYSTEM )
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{
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// trim any spaces
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cs.Trim(true);
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cs.Trim(false);
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// discard the optional quotes
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if ( !cs.empty() )
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{
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if ( cs[0u] == _T('"') && cs.Last() == _T('"') )
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{
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cs = wxString(cs.c_str(), cs.length() - 1);
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}
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}
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cs.MakeUpper();
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if ( cs.empty() || cs == _T("US-ASCII") )
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{
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encoding = wxFONTENCODING_DEFAULT;
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}
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else if ( cs == wxT("UTF-7") )
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{
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encoding = wxFONTENCODING_UTF7;
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}
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else if ( cs == wxT("UTF-8") )
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{
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encoding = wxFONTENCODING_UTF8;
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}
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else if ( cs == wxT("UTF-16") )
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{
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encoding = wxFONTENCODING_UTF16;
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}
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else if ( cs == wxT("UTF-16BE") )
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{
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encoding = wxFONTENCODING_UTF16BE;
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}
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else if ( cs == wxT("UTF-16LE") )
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{
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encoding = wxFONTENCODING_UTF16LE;
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}
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else if ( cs == wxT("UTF-32") || cs == wxT("UCS-4") )
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{
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encoding = wxFONTENCODING_UTF32;
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}
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else if ( cs == wxT("UTF-32BE") || cs == wxT("UCS-4BE") )
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{
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encoding = wxFONTENCODING_UTF32BE;
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}
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else if ( cs == wxT("UTF-32LE") || cs == wxT("UCS-4LE") )
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{
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encoding = wxFONTENCODING_UTF32LE;
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}
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else if ( cs == wxT("GB2312") )
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{
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encoding = wxFONTENCODING_GB2312;
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}
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else if ( cs == wxT("BIG5") )
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{
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encoding = wxFONTENCODING_BIG5;
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}
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else if ( cs == wxT("SJIS") ||
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cs == wxT("SHIFT_JIS") ||
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cs == wxT("SHIFT-JIS") )
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{
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encoding = wxFONTENCODING_SHIFT_JIS;
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}
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else if ( cs == wxT("EUC-JP") ||
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cs == wxT("EUC_JP") )
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{
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encoding = wxFONTENCODING_EUC_JP;
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}
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else if ( cs == wxT("KOI8-R") ||
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cs == wxT("KOI8-RU") )
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{
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// although koi8-ru is not strictly speaking the same as koi8-r,
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// they are similar enough to make mapping it to koi8 better than
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// not recognizing it at all
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encoding = wxFONTENCODING_KOI8;
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|
}
|
|
else if ( cs == wxT("KOI8-U") )
|
|
{
|
|
encoding = wxFONTENCODING_KOI8_U;
|
|
}
|
|
else if ( cs.Left(3) == wxT("ISO") )
|
|
{
|
|
// the dash is optional (or, to be exact, it is not, but
|
|
// several brokenmails "forget" it)
|
|
const wxChar *p = cs.c_str() + 3;
|
|
if ( *p == wxT('-') )
|
|
p++;
|
|
|
|
// printf( "iso %s\n", (const char*) cs.ToAscii() );
|
|
|
|
unsigned int value;
|
|
if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
|
|
{
|
|
// printf( "value %d\n", (int)value );
|
|
|
|
// make it 0 based and check that it is strictly positive in
|
|
// the process (no such thing as iso8859-0 encoding)
|
|
if ( (value-- > 0) &&
|
|
(value < wxFONTENCODING_ISO8859_MAX -
|
|
wxFONTENCODING_ISO8859_1) )
|
|
{
|
|
// it's a valid ISO8859 encoding
|
|
value += wxFONTENCODING_ISO8859_1;
|
|
encoding = (wxFontEncoding)value;
|
|
}
|
|
}
|
|
}
|
|
else if ( cs.Left(4) == wxT("8859") )
|
|
{
|
|
const wxChar *p = cs.c_str();
|
|
|
|
unsigned int value;
|
|
if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
|
|
{
|
|
// printf( "value %d\n", (int)value );
|
|
|
|
// make it 0 based and check that it is strictly positive in
|
|
// the process (no such thing as iso8859-0 encoding)
|
|
if ( (value-- > 0) &&
|
|
(value < wxFONTENCODING_ISO8859_MAX -
|
|
wxFONTENCODING_ISO8859_1) )
|
|
{
|
|
// it's a valid ISO8859 encoding
|
|
value += wxFONTENCODING_ISO8859_1;
|
|
encoding = (wxFontEncoding)value;
|
|
}
|
|
}
|
|
}
|
|
else // check for Windows charsets
|
|
{
|
|
size_t len;
|
|
if ( cs.Left(7) == wxT("WINDOWS") )
|
|
{
|
|
len = 7;
|
|
}
|
|
else if ( cs.Left(2) == wxT("CP") )
|
|
{
|
|
len = 2;
|
|
}
|
|
else // not a Windows encoding
|
|
{
|
|
len = 0;
|
|
}
|
|
|
|
if ( len )
|
|
{
|
|
const wxChar *p = cs.c_str() + len;
|
|
if ( *p == wxT('-') )
|
|
p++;
|
|
|
|
int value;
|
|
if ( wxSscanf(p, wxT("%u"), &value) == 1 )
|
|
{
|
|
if ( value >= 1250 )
|
|
{
|
|
value -= 1250;
|
|
if ( value < wxFONTENCODING_CP12_MAX -
|
|
wxFONTENCODING_CP1250 )
|
|
{
|
|
// a valid Windows code page
|
|
value += wxFONTENCODING_CP1250;
|
|
encoding = (wxFontEncoding)value;
|
|
}
|
|
}
|
|
|
|
switch ( value )
|
|
{
|
|
case 932:
|
|
encoding = wxFONTENCODING_CP932;
|
|
break;
|
|
|
|
case 936:
|
|
encoding = wxFONTENCODING_CP936;
|
|
break;
|
|
|
|
case 949:
|
|
encoding = wxFONTENCODING_CP949;
|
|
break;
|
|
|
|
case 950:
|
|
encoding = wxFONTENCODING_CP950;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//else: unknown
|
|
}
|
|
|
|
return encoding;
|
|
}
|
|
|
|
/* static */
|
|
size_t wxFontMapperBase::GetSupportedEncodingsCount()
|
|
{
|
|
return WXSIZEOF(gs_encodings);
|
|
}
|
|
|
|
/* static */
|
|
wxFontEncoding wxFontMapperBase::GetEncoding(size_t n)
|
|
{
|
|
wxCHECK_MSG( n < WXSIZEOF(gs_encodings), wxFONTENCODING_SYSTEM,
|
|
_T("wxFontMapper::GetEncoding(): invalid index") );
|
|
|
|
return gs_encodings[n];
|
|
}
|
|
|
|
/* static */
|
|
wxString wxFontMapperBase::GetEncodingDescription(wxFontEncoding encoding)
|
|
{
|
|
if ( encoding == wxFONTENCODING_DEFAULT )
|
|
{
|
|
return _("Default encoding");
|
|
}
|
|
|
|
const size_t count = WXSIZEOF(gs_encodingDescs);
|
|
|
|
for ( size_t i = 0; i < count; i++ )
|
|
{
|
|
if ( gs_encodings[i] == encoding )
|
|
{
|
|
return wxGetTranslation(gs_encodingDescs[i]);
|
|
}
|
|
}
|
|
|
|
wxString str;
|
|
str.Printf(_("Unknown encoding (%d)"), encoding);
|
|
|
|
return str;
|
|
}
|
|
|
|
/* static */
|
|
wxString wxFontMapperBase::GetEncodingName(wxFontEncoding encoding)
|
|
{
|
|
if ( encoding == wxFONTENCODING_DEFAULT )
|
|
{
|
|
return _("default");
|
|
}
|
|
|
|
const size_t count = WXSIZEOF(gs_encodingNames);
|
|
|
|
for ( size_t i = 0; i < count; i++ )
|
|
{
|
|
if ( gs_encodings[i] == encoding )
|
|
{
|
|
return gs_encodingNames[i];
|
|
}
|
|
}
|
|
|
|
wxString str;
|
|
str.Printf(_("unknown-%d"), encoding);
|
|
|
|
return str;
|
|
}
|
|
|
|
/* static */
|
|
wxFontEncoding wxFontMapperBase::GetEncodingFromName(const wxString& name)
|
|
{
|
|
const size_t count = WXSIZEOF(gs_encodingNames);
|
|
|
|
for ( size_t i = 0; i < count; i++ )
|
|
{
|
|
if ( gs_encodingNames[i] == name )
|
|
{
|
|
return gs_encodings[i];
|
|
}
|
|
}
|
|
|
|
if ( name == _("default") )
|
|
{
|
|
return wxFONTENCODING_DEFAULT;
|
|
}
|
|
|
|
return wxFONTENCODING_MAX;
|
|
}
|
|
|
|
#endif // wxUSE_FONTMAP
|
|
|