+// ----------------------------------------------------------------------------
+// support for unknown encodings: we maintain a map between the
+// (platform-specific) strings identifying them and our wxFontEncodings they
+// correspond to which is used by GetFontForEncoding() function
+// ----------------------------------------------------------------------------
+
+bool wxFontMapper::TestAltEncoding(const wxString& configEntry,
+ wxFontEncoding encReplacement,
+ wxNativeEncodingInfo *info)
+{
+ if ( wxGetNativeFontEncoding(encReplacement, info) &&
+ wxTestFontEncoding(*info) )
+ {
+ // remember the mapping in the config
+ wxFontMapperPathChanger path(this, FONTMAPPER_FONT_FROM_ENCODING_PATH);
+
+ if ( path.IsOk() )
+ {
+ GetConfig()->Write(configEntry, info->ToString());
+ }
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
+ wxNativeEncodingInfo *info,
+ bool interactive)
+{
+ wxCHECK_MSG( info, FALSE, _T("bad pointer in GetAltForEncoding") );
+
+ if ( encoding == wxFONTENCODING_DEFAULT )
+ {
+ encoding = wxFont::GetDefaultEncoding();
+ }
+
+ // if we failed to load the system default encoding, something is really
+ // wrong and we'd better stop now - otherwise we will go into endless
+ // recursion trying to create the font in the msg box with the error
+ // message
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ wxFatalError(_("can't load any font, aborting"));
+
+ // wxFatalError doesn't return
+ }
+
+ wxString configEntry = GetEncodingName(encoding);
+
+ // do we have a font spec for this encoding?
+ wxString pathOld;
+ if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+ {
+ wxConfigBase *config = GetConfig();
+
+ wxString fontinfo = config->Read(configEntry);
+
+ RestorePath(pathOld);
+
+ if ( !!fontinfo )
+ {
+ if ( info->FromString(fontinfo) )
+ {
+ if ( wxTestFontEncoding(*info) )
+ {
+ // ok, got something
+ return TRUE;
+ }
+ //else: no such fonts, look for something else
+ }
+ else
+ {
+ wxLogDebug(_T("corrupted config data: string '%s' is not "
+ "a valid font encoding info"), fontinfo.c_str());
+ }
+ }
+ }
+
+ // ask the user
+ if ( interactive )
+ {
+ wxString title(m_titleDialog);
+ if ( !title )
+ title << wxTheApp->GetAppName() << _(": unknown encoding");
+
+ // the message
+ wxString msg;
+ msg.Printf(_("The encoding '%s' is unknown.\n"
+ "Would you like to select a font to be used for this "
+ "encoding\n"
+ "(otherwise the text in this encoding will not be "
+ "shown correctly)?"),
+ GetEncodingDescription(encoding).c_str());
+
+ wxWindow *parent = m_windowParent;
+ if ( !parent )
+ parent = wxTheApp->GetTopWindow();
+
+ if ( wxMessageBox(msg, title,
+ wxICON_QUESTION | wxYES_NO, parent) == wxYES )
+ {
+ wxFontData data;
+ data.SetEncoding(encoding);
+ data.EncodingInfo() = *info;
+ wxFontDialog dialog(parent, &data);
+ if ( dialog.ShowModal() == wxID_OK )
+ {
+ wxFontData retData = dialog.GetFontData();
+ wxFont font = retData.GetChosenFont();
+
+ *info = retData.EncodingInfo();
+
+ // remember this in the config
+ if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+ {
+ 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;
+}
projects / wxWidgets.git / blobdiff