11c7d5b6d1
2. font functions moved into a separate file, duplicated code in font.cpp and fontdlg.cpp removed 3. wxCustomDataObject docs finished git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4382 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
653 lines
19 KiB
C++
653 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: common/fontmap.cpp
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// Purpose: wxFontMapper class
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 04.11.99
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// RCS-ID: $Id$
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// Copyright: (c) Vadim Zeitlin
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// Licence: 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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#ifdef __GNUG__
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#pragma implementation "fontmap.h"
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#endif
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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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#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 // PCH
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#include "wx/fontmap.h"
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#include "wx/config.h"
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#include "wx/msgdlg.h"
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#include "wx/fontdlg.h"
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#include "wx/choicdlg.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// the config paths we use
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static const char* FONTMAPPER_ROOT_PATH = _T("FontMapper");
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static const char* FONTMAPPER_CHARSET_PATH = _T("Charsets");
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static const char* FONTMAPPER_CHARSET_ALIAS_PATH = _T("Aliases");
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static const char* FONTMAPPER_FONT_FROM_ENCODING_PATH = _T("Encodings");
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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_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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};
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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( "West European (ISO-8859-1/Latin 1)" ),
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wxTRANSLATE( "Central European (ISO-8859-2/Latin 2)" ),
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wxTRANSLATE( "Esperanto (ISO-8859-3)" ),
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wxTRANSLATE( "Baltic (ISO-8859-4)" ),
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wxTRANSLATE( "Cyrillic (Latin 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( "Baltic II (ISO-8859-10)" ),
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wxTRANSLATE( "Thai (ISO-8859-11)" ),
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wxTRANSLATE( "ISO-8859-12" ),
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wxTRANSLATE( "ISO-8859-13" ),
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wxTRANSLATE( "ISO-8859-14" ),
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wxTRANSLATE( "West European new (ISO-8859-15/Latin 0)" ),
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wxTRANSLATE( "KOI8-R" ),
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wxTRANSLATE( "Windows Latin 2 (CP 1250)" ),
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wxTRANSLATE( "Windows Cyrillic (CP 1251)" ),
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wxTRANSLATE( "Windows Latin 1 (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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};
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// and the internal names
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static const wxChar* gs_encodingNames[] =
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{
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"iso8859-1",
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"iso8859-2",
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"iso8859-3",
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"iso8859-4",
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"iso8859-5",
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"iso8859-6",
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"iso8859-7",
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"iso8859-8",
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"iso8859-9",
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"iso8859-10",
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"iso8859-11",
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"iso8859-12",
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"iso8859-13",
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"iso8859-14",
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"iso8859-15",
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"koi8-r",
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"windows1250",
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"windows1251",
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"windows1252",
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"windows1253",
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"windows1254",
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"windows1255",
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"windows1256",
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"windows1257",
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};
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// ----------------------------------------------------------------------------
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// global data
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// ----------------------------------------------------------------------------
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// private object
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static wxFontMapper gs_fontMapper;
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// and public pointer
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wxFontMapper * WXDLLEXPORT wxTheFontMapper = &gs_fontMapper;
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// change the config path during the lifetime of this object
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class wxFontMapperPathChanger
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{
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public:
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wxFontMapperPathChanger(wxFontMapper *fontMapper, const wxString& path)
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{
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m_fontMapper = fontMapper;
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m_ok = m_fontMapper->ChangePath(path, &m_pathOld);
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}
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bool IsOk() const { return m_ok; }
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~wxFontMapperPathChanger()
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{
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if ( IsOk() )
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m_fontMapper->RestorePath(m_pathOld);
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}
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private:
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wxFontMapper *m_fontMapper;
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bool m_ok;
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wxString m_pathOld;
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};
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// ctor and dtor
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// ----------------------------------------------------------------------------
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wxFontMapper::wxFontMapper()
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{
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m_config = NULL;
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m_windowParent = NULL;
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}
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wxFontMapper::~wxFontMapper()
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{
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}
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// ----------------------------------------------------------------------------
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// customisation
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// ----------------------------------------------------------------------------
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/* static */ const wxChar *wxFontMapper::GetDefaultConfigPath()
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{
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return FONTMAPPER_ROOT_PATH;
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}
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void wxFontMapper::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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_T("an absolute path should be given to "
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"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 *wxFontMapper::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();
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}
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return m_config;
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}
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const wxString& wxFontMapper::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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bool wxFontMapper::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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_T("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 wxFontMapper::RestorePath(const wxString& pathOld)
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{
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GetConfig()->SetPath(pathOld);
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}
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// ----------------------------------------------------------------------------
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// charset/encoding correspondence
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// ----------------------------------------------------------------------------
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/* static */
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wxString wxFontMapper::GetEncodingDescription(wxFontEncoding encoding)
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{
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size_t count = WXSIZEOF(gs_encodingDescs);
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wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
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_T("inconsitency detected - forgot to update one of "
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"the arrays?") );
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for ( size_t i = 0; i < count; i++ )
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{
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if ( gs_encodings[i] == encoding )
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{
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return wxGetTranslation(gs_encodingDescs[i]);
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}
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}
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wxString str;
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str.Printf(_("Unknown encoding (%d)"), encoding);
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return str;
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}
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/* static */
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wxString wxFontMapper::GetEncodingName(wxFontEncoding encoding)
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{
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size_t count = WXSIZEOF(gs_encodingNames);
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wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
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_T("inconsitency detected - forgot to update one of "
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"the arrays?") );
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for ( size_t i = 0; i < count; i++ )
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{
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if ( gs_encodings[i] == encoding )
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{
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return wxGetTranslation(gs_encodingNames[i]);
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}
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}
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wxString str;
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str.Printf(_("unknown-%d"), encoding);
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return str;
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}
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wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
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bool interactive)
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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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// first try the user-defined settings
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wxString pathOld;
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if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
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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 >= 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(_T("corrupted config data - invalid encoding %ld "
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"for charset '%s'"), 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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RestorePath(pathOld);
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}
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// if didn't find it there, try to reckognise it ourselves
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if ( encoding == wxFONTENCODING_SYSTEM )
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{
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cs.MakeUpper();
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if ( !cs || cs == _T("US-ASCII") )
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encoding = wxFONTENCODING_DEFAULT;
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else if ( cs == _T("KOI8-R") || cs == _T("KOI8-U") )
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encoding = wxFONTENCODING_KOI8;
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else if ( cs.Left(3) == _T("ISO") )
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{
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// the dash is optional (or, to be exact, it is not, but
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// several brokenmails "forget" it)
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const wxChar *p = cs.c_str() + 3;
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if ( *p == _T('-') )
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p++;
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unsigned int value;
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if ( wxSscanf(p, _T("8859-%u"), &value) == 1 )
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{
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if ( value < wxFONTENCODING_ISO8859_MAX -
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wxFONTENCODING_ISO8859_1 )
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{
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// it's a valid ISO8859 encoding
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value += wxFONTENCODING_ISO8859_1 - 1;
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encoding = (wxFontEncoding)value;
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}
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}
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}
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else if ( cs.Left(8) == _T("WINDOWS-") )
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{
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int value;
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if ( wxSscanf(cs.c_str() + 8, "%u", &value) == 1 )
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{
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if ( value >= 1250 )
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{
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value -= 1250;
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if ( value < wxFONTENCODING_CP12_MAX -
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wxFONTENCODING_CP1250 - 1 )
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{
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// a valid Windows code page
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value += wxFONTENCODING_CP1250;
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encoding = (wxFontEncoding)value;
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}
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}
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}
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}
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//else: unknown
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}
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// if still no luck, ask the user - unless disabled
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if ( (encoding == wxFONTENCODING_SYSTEM) && interactive )
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{
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// prepare the dialog data
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// the dialog title
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wxString title(m_titleDialog);
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if ( !title )
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title << wxTheApp->GetAppName() << _(": unknown charset");
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// the message
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wxString msg;
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msg.Printf(_("The charset '%s' is unknown. You may select another "
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"charset to replace it with or choose [Cancel] if it "
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"cannot be replaced"), charset.c_str());
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// the list of choices
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size_t count = WXSIZEOF(gs_encodingDescs);
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wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
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_T("inconsitency detected - forgot to update one of "
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"the arrays?") );
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wxString *encodingNamesTranslated = new wxString[count];
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for ( size_t i = 0; i < count; i++ )
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{
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encodingNamesTranslated[i] = wxGetTranslation(gs_encodingDescs[i]);
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}
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// the parent window
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wxWindow *parent = m_windowParent;
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if ( !parent )
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parent = wxTheApp->GetTopWindow();
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// do ask the user and get back the index in encodings table
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int n = wxGetSingleChoiceIndex(msg, title,
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count,
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encodingNamesTranslated,
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parent);
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delete [] encodingNamesTranslated;
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if ( n != -1 )
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{
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// TODO save the result in the config!
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encoding = gs_encodings[n];
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}
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//else: cancelled
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}
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return encoding;
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}
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// ----------------------------------------------------------------------------
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// support for unknown encodings: we maintain a map between the
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// (platform-specific) strings identifying them and our wxFontEncodings they
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// correspond to which is used by GetFontForEncoding() function
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// ----------------------------------------------------------------------------
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bool wxFontMapper::TestAltEncoding(const wxString& configEntry,
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wxFontEncoding encReplacement,
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wxNativeEncodingInfo *info)
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{
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if ( wxGetNativeFontEncoding(encReplacement, info) &&
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wxTestFontEncoding(*info) )
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{
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// remember the mapping in the config
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wxFontMapperPathChanger path(this, FONTMAPPER_FONT_FROM_ENCODING_PATH);
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if ( path.IsOk() )
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{
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GetConfig()->Write(configEntry, info->ToString());
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}
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return TRUE;
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}
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return FALSE;
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}
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bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
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wxNativeEncodingInfo *info,
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bool interactive)
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{
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wxCHECK_MSG( info, FALSE, _T("bad pointer in GetAltForEncoding") );
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wxString configEntry = GetEncodingName(encoding);
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// do we have a font spec for this encoding?
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wxString pathOld;
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if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
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{
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wxConfigBase *config = GetConfig();
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wxString fontinfo = config->Read(configEntry);
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RestorePath(pathOld);
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if ( !!fontinfo )
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{
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if ( info->FromString(fontinfo) )
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{
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if ( wxTestFontEncoding(*info) )
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{
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// ok, got something
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return TRUE;
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}
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//else: no such fonts, look for something else
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}
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else
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{
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wxLogDebug(_T("corrupted config data: string '%s' is not "
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"a valid font encoding info"), fontinfo.c_str());
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}
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}
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}
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// ask the user
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if ( interactive )
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{
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wxString title(m_titleDialog);
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if ( !title )
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title << wxTheApp->GetAppName() << _(": unknown encoding");
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// the message
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wxString msg;
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msg.Printf(_("The encoding '%s' is unknown.\n"
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"Would you like to select a font to be used for this "
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"encoding\n"
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"(otherwise the text in this encoding will not be "
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"shown correctly)?"),
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GetEncodingDescription(encoding).c_str());
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wxWindow *parent = m_windowParent;
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if ( !parent )
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parent = wxTheApp->GetTopWindow();
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if ( wxMessageBox(msg, title,
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wxICON_QUESTION | wxYES_NO, parent) == wxYES )
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{
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wxFontData data;
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data.SetEncoding(encoding);
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data.EncodingInfo() = *info;
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wxFontDialog dialog(parent, &data);
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if ( dialog.ShowModal() == wxID_OK )
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{
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wxFontData retData = dialog.GetFontData();
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wxFont font = retData.GetChosenFont();
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*info = retData.EncodingInfo();
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// remember this in the config
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if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
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|
{
|
|
GetConfig()->Write(configEntry, info->ToString());
|
|
|
|
RestorePath(pathOld);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
//else: the user canceled the font selection dialog
|
|
}
|
|
//else: the user doesn't want to select a font
|
|
}
|
|
//else: we're in non-interactive mode
|
|
|
|
// now try the default mappings
|
|
switch ( encoding )
|
|
{
|
|
case wxFONTENCODING_ISO8859_15:
|
|
// iso8859-15 is slightly modified iso8859-1
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_ISO8859_1, info) )
|
|
return TRUE;
|
|
// fall through
|
|
|
|
case wxFONTENCODING_ISO8859_1:
|
|
// iso8859-1 is identical to CP1252
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_CP1252, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
case wxFONTENCODING_CP1252:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_ISO8859_1, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
// iso8859-13 is quite similar to WinBaltic
|
|
case wxFONTENCODING_ISO8859_13:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_CP1257, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
case wxFONTENCODING_CP1257:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_ISO8859_13, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
// iso8859-8 is almost identical to WinHebrew
|
|
case wxFONTENCODING_ISO8859_8:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_CP1255, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
case wxFONTENCODING_CP1255:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_ISO8859_8, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
// and iso8859-7 is not too different from WinGreek
|
|
case wxFONTENCODING_ISO8859_7:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_CP1253, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
case wxFONTENCODING_CP1253:
|
|
if ( TestAltEncoding(configEntry, wxFONTENCODING_ISO8859_7, info) )
|
|
return TRUE;
|
|
|
|
break;
|
|
|
|
default:
|
|
// TODO add other mappings...
|
|
;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|