+/////////////////////////////////////////////////////////////////////////////
+// Name: common/fontmap.cpp
+// Purpose: wxFontMapper class
+// Author: Vadim Zeitlin
+// Modified by:
+// Created: 04.11.99
+// RCS-ID: $Id$
+// Copyright: (c) Vadim Zeitlin
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+ #pragma implementation "fontmap.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/log.h"
+ #include "wx/intl.h"
+#endif // PCH
+
+#include "wx/fontmap.h"
+#include "wx/config.h"
+#include "wx/choicdlg.h"
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the config paths we use
+static const char* FONTMAPPER_ROOT_PATH = _T("FontMapper");
+static const char* FONTMAPPER_CHARSET_PATH = _T("Charsets");
+static const char* FONTMAPPER_CHARSET_ALIAS_PATH = _T("Aliases");
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// ctor and dtor
+// ----------------------------------------------------------------------------
+
+wxFontMapper::wxFontMapper()
+{
+ m_config = NULL;
+ m_windowParent = NULL;
+}
+
+wxFontMapper::~wxFontMapper()
+{
+}
+
+// ----------------------------------------------------------------------------
+// customisation
+// ----------------------------------------------------------------------------
+
+/* static */ const wxChar *wxFontMapper::GetDefaultConfigPath()
+{
+ return FONTMAPPER_ROOT_PATH;
+}
+
+void wxFontMapper::SetConfigPath(const wxString& prefix)
+{
+ wxCHECK_RET( !prefix.IsEmpty() && prefix[0] == wxCONFIG_PATH_SEPARATOR,
+ _T("an absolute path should be given to "
+ "wxFontMapper::SetConfigPath()") );
+
+ m_configRootPath = prefix;
+}
+
+
+// ----------------------------------------------------------------------------
+// get config object and path for it
+// ----------------------------------------------------------------------------
+
+wxConfigBase *wxFontMapper::GetConfig()
+{
+ if ( !m_config )
+ {
+ // try the default
+ m_config = wxConfig::Get();
+ }
+
+ return m_config;
+}
+
+const wxString& wxFontMapper::GetConfigPath()
+{
+ if ( !m_configRootPath )
+ {
+ // use the default
+ m_configRootPath = GetDefaultConfigPath();
+ }
+
+ return m_configRootPath;
+}
+
+bool wxFontMapper::ChangePath(const wxString& pathNew, wxString *pathOld)
+{
+ wxConfigBase *config = GetConfig();
+ if ( !config )
+ return FALSE;
+
+ *pathOld = config->GetPath();
+
+ wxString path = GetConfigPath();
+ if ( path.IsEmpty() || path.Last() != wxCONFIG_PATH_SEPARATOR )
+ {
+ path += wxCONFIG_PATH_SEPARATOR;
+ }
+
+ wxASSERT_MSG( !pathNew || (pathNew[0] != wxCONFIG_PATH_SEPARATOR),
+ _T("should be a relative path") );
+
+ path += pathNew;
+
+ config->SetPath(path);
+
+ return TRUE;
+}
+
+void wxFontMapper::RestorePath(const wxString& pathOld)
+{
+ GetConfig()->SetPath(pathOld);
+}
+
+// ----------------------------------------------------------------------------
+// charset/encoding correspondence
+// ----------------------------------------------------------------------------
+
+wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
+ bool interactive)
+{
+ wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
+
+ // we're going to modify it, make a copy
+ wxString cs = charset;
+
+ // first try the user-defined settings
+ wxString pathOld;
+ if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
+ {
+ wxConfigBase *config = GetConfig();
+
+ // do we have an encoding for this charset?
+ long value = config->Read(charset, -1l);
+ if ( value != -1 )
+ {
+ if ( value >= 0 && value <= wxFONTENCODING_MAX )
+ {
+ encoding = (wxFontEncoding)value;
+ }
+ else
+ {
+ wxLogDebug(_T("corrupted config data - invalid encoding %ld "
+ "for charset '%s'"), value, charset.c_str());
+ }
+ }
+
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ // may be we have an alias?
+ config->SetPath(FONTMAPPER_CHARSET_ALIAS_PATH);
+
+ wxString alias = config->Read(charset);
+ if ( !!alias )
+ {
+ // yes, we do - use it instead
+ cs = alias;
+ }
+ }
+
+ RestorePath(pathOld);
+ }
+
+ // if didn't find it there, try to reckognise it ourselves
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ cs.MakeUpper();
+
+ if ( !cs || cs == _T("US-ASCII") )
+ encoding = wxFONTENCODING_DEFAULT;
+ else if ( cs == _T("KOI8-R") || cs == _T("KOI8-U") )
+ encoding = wxFONTENCODING_KOI8;
+ else if ( cs.Left(3) == _T("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 == _T('-') )
+ p++;
+
+ unsigned int value;
+ if ( wxSscanf(p, _T("8859-%u"), &value) == 1 )
+ {
+ if ( value < wxFONTENCODING_ISO8859_MAX -
+ wxFONTENCODING_ISO8859_1 )
+ {
+ // it's a valid ISO8859 encoding
+ value += wxFONTENCODING_ISO8859_1 - 1;
+ encoding = (wxFontEncoding)value;
+ }
+ }
+ }
+ else if ( cs.Left(8) == _T("WINDOWS-") )
+ {
+ int value;
+ if ( wxSscanf(cs.c_str() + 8, "%u", &value) == 1 )
+ {
+ if ( value >= 1250 )
+ {
+ value -= 1250;
+ if ( value < wxFONTENCODING_CP12_MAX -
+ wxFONTENCODING_CP1250 - 1 )
+ {
+ // a valid Windows code page
+ value += wxFONTENCODING_CP1250;
+ encoding = (wxFontEncoding)value;
+ }
+ }
+ }
+ }
+ //else: unknown
+ }
+
+ // if still no luck, ask the user - unless disabled
+ if ( (encoding == wxFONTENCODING_SYSTEM) && interactive )
+ {
+ // prepare the dialog data
+
+ // the dialog title
+ wxString title(m_titleDialog);
+ if ( !title )
+ title << wxTheApp->GetAppName() << _(": unknown charset");
+
+ // the message
+ wxString msg;
+ msg.Printf(_("The charset '%s' is unknown. You may select another "
+ "charset to replace it with or choose [Cancel] if it "
+ "cannot be replaced"), charset.c_str());
+
+ // the list of choices
+ static wxFontEncoding encodings[] =
+ {
+ wxFONTENCODING_ISO8859_1,
+ wxFONTENCODING_ISO8859_2,
+ wxFONTENCODING_ISO8859_3,
+ wxFONTENCODING_ISO8859_4,
+ wxFONTENCODING_ISO8859_5,
+ wxFONTENCODING_ISO8859_6,
+ wxFONTENCODING_ISO8859_7,
+ wxFONTENCODING_ISO8859_8,
+ wxFONTENCODING_ISO8859_9,
+ wxFONTENCODING_ISO8859_10,
+ wxFONTENCODING_ISO8859_11,
+ wxFONTENCODING_ISO8859_12,
+ wxFONTENCODING_ISO8859_13,
+ wxFONTENCODING_ISO8859_14,
+ wxFONTENCODING_ISO8859_15,
+ wxFONTENCODING_KOI8,
+ wxFONTENCODING_CP1250,
+ wxFONTENCODING_CP1251,
+ wxFONTENCODING_CP1252,
+ wxFONTENCODING_CP1253,
+ wxFONTENCODING_CP1254,
+ wxFONTENCODING_CP1255,
+ wxFONTENCODING_CP1256,
+ wxFONTENCODING_CP1257,
+ };
+
+ static const wxChar* encodingNames[] =
+ {
+ "West European (ISO-8859-1/Latin 1)",
+ "Central European (ISO-8859-2/Latin 2)",
+ "Esperanto (ISO-8859-3)",
+ "Baltic (ISO-8859-4)",
+ "Cyrillic (Latin 5)",
+ "Arabic (ISO-8859-6)"
+ "Greek (ISO-8859-7)",
+ "Hebrew (ISO-8859-8)",
+ "Turkish (ISO-8859-9)",
+ "Baltic II (ISO-8859-10)",
+ "Thai (ISO-8859-11)",
+ "ISO-8859-12",
+ "ISO-8859-13",
+ "ISO-8859-14",
+ "West European new (ISO-8859-15/Latin 0)",
+ "KOI8-R",
+ "Windows Latin 2 (CP 1250)",
+ "Windows Cyrillic (CP 1251)",
+ "Windows Latin 1 (CP 1252)",
+ "Windows Greek (CP 1253)",
+ "Windows Turkish (CP 1254)",
+ "Windows Hebrew (CP 1255)",
+ "Windows Arabic (CP 1256)",
+ "Windows Baltic (CP 1257)",
+ };
+
+ size_t count = WXSIZEOF(encodingNames);
+
+ wxASSERT_MSG( count == WXSIZEOF(encodings),
+ _T("inconsitency detected - forgot to update one of "
+ "the arrays?") );
+
+ wxString *encodingNamesTranslated = new wxString[count];
+
+ for ( size_t n = 0; n < count; n++ )
+ {
+ encodingNamesTranslated[n] = wxGetTranslation(encodingNames[n]);
+ }
+
+ // the parent window
+ wxWindow *parent = m_windowParent;
+ if ( !parent )
+ parent = wxTheApp->GetTopWindow();
+
+ // do ask the user and get back the index in encodings table
+ int n = wxGetSingleChoiceIndex(msg, title,
+ count,
+ encodingNamesTranslated,
+ parent);
+
+ delete [] encodingNamesTranslated;
+
+ if ( n != -1 )
+ {
+ encoding = encodings[n];
+ }
+ //else: cancelled
+ }
+
+ return encoding;
+}
+
projects / wxWidgets.git / commitdiff
