#pragma hdrstop
#endif
+#if wxUSE_FONTMAP
+
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/log.h"
#endif // PCH
#include "wx/fontmap.h"
-#include "wx/config.h"
-#include "wx/choicdlg.h"
+
+#if wxUSE_CONFIG
+ #include "wx/config.h"
+ #include "wx/memconf.h"
+#endif
+
+#if wxUSE_GUI
+ #include "wx/fontutil.h"
+ #include "wx/msgdlg.h"
+ #include "wx/fontdlg.h"
+ #include "wx/choicdlg.h"
+#endif // wxUSE_GUI
+
+#include "wx/encconv.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");
+#if wxUSE_CONFIG
+static const wxChar* FONTMAPPER_ROOT_PATH = wxT("/wxWindows/FontMapper");
+static const wxChar* FONTMAPPER_CHARSET_PATH = wxT("Charsets");
+static const wxChar* FONTMAPPER_CHARSET_ALIAS_PATH = wxT("Aliases");
+
+// we only ask questions in GUI mode
+#if wxUSE_GUI
+ static const wxChar* FONTMAPPER_FONT_FROM_ENCODING_PATH = wxT("Encodings");
+ static const wxChar* FONTMAPPER_FONT_DONT_ASK = wxT("none");
+#endif // wxUSE_GUI
+#endif // wxUSE_CONFIG
+
+// encodings supported by GetEncodingDescription
+static wxFontEncoding gs_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_CP932,
+ wxFONTENCODING_CP936,
+ wxFONTENCODING_CP949,
+ wxFONTENCODING_CP950,
+ wxFONTENCODING_CP1250,
+ wxFONTENCODING_CP1251,
+ wxFONTENCODING_CP1252,
+ wxFONTENCODING_CP1253,
+ wxFONTENCODING_CP1254,
+ wxFONTENCODING_CP1255,
+ wxFONTENCODING_CP1256,
+ wxFONTENCODING_CP1257,
+ wxFONTENCODING_CP437,
+ wxFONTENCODING_UTF7,
+ wxFONTENCODING_UTF8,
+};
+
+// the descriptions for them
+static const wxChar* gs_encodingDescs[] =
+{
+ wxTRANSLATE( "Western European (ISO-8859-1)" ),
+ wxTRANSLATE( "Central European (ISO-8859-2)" ),
+ wxTRANSLATE( "Esperanto (ISO-8859-3)" ),
+ wxTRANSLATE( "Baltic (old) (ISO-8859-4)" ),
+ wxTRANSLATE( "Cyrillic (ISO-8859-5)" ),
+ wxTRANSLATE( "Arabic (ISO-8859-6)" ),
+ wxTRANSLATE( "Greek (ISO-8859-7)" ),
+ wxTRANSLATE( "Hebrew (ISO-8859-8)" ),
+ wxTRANSLATE( "Turkish (ISO-8859-9)" ),
+ wxTRANSLATE( "Nordic (ISO-8859-10)" ),
+ wxTRANSLATE( "Thai (ISO-8859-11)" ),
+ wxTRANSLATE( "Indian (ISO-8859-12)" ),
+ wxTRANSLATE( "Baltic (ISO-8859-13)" ),
+ wxTRANSLATE( "Celtic (ISO-8859-14)" ),
+ wxTRANSLATE( "Western European with Euro (ISO-8859-15)" ),
+ wxTRANSLATE( "KOI8-R" ),
+ wxTRANSLATE( "Windows Japanese (CP 932)" ),
+ wxTRANSLATE( "Windows Chinese Simplified (CP 936)" ),
+ wxTRANSLATE( "Windows Korean (CP 949)" ),
+ wxTRANSLATE( "Windows Chinese Traditional (CP 950)" ),
+ wxTRANSLATE( "Windows Central European (CP 1250)" ),
+ wxTRANSLATE( "Windows Cyrillic (CP 1251)" ),
+ wxTRANSLATE( "Windows Western European (CP 1252)" ),
+ wxTRANSLATE( "Windows Greek (CP 1253)" ),
+ wxTRANSLATE( "Windows Turkish (CP 1254)" ),
+ wxTRANSLATE( "Windows Hebrew (CP 1255)" ),
+ wxTRANSLATE( "Windows Arabic (CP 1256)" ),
+ wxTRANSLATE( "Windows Baltic (CP 1257)" ),
+ wxTRANSLATE( "Windows/DOS OEM (CP 437)" ),
+ wxTRANSLATE( "Unicode 7 bit (UTF-7)" ),
+ wxTRANSLATE( "Unicode 8 bit (UTF-8)" ),
+};
+
+// and the internal names (these are not translated on purpose!)
+static const wxChar* gs_encodingNames[] =
+{
+ wxT( "iso-8859-1" ),
+ wxT( "iso-8859-2" ),
+ wxT( "iso-8859-3" ),
+ wxT( "iso-8859-4" ),
+ wxT( "iso-8859-5" ),
+ wxT( "iso-8859-6" ),
+ wxT( "iso-8859-7" ),
+ wxT( "iso-8859-8" ),
+ wxT( "iso-8859-9" ),
+ wxT( "iso-8859-10" ),
+ wxT( "iso-8859-11" ),
+ wxT( "iso-8859-12" ),
+ wxT( "iso-8859-13" ),
+ wxT( "iso-8859-14" ),
+ wxT( "iso-8859-15" ),
+ wxT( "koi8-r" ),
+ wxT( "windows-932" ),
+ wxT( "windows-936" ),
+ wxT( "windows-949" ),
+ wxT( "windows-950" ),
+ wxT( "windows-1250" ),
+ wxT( "windows-1251" ),
+ wxT( "windows-1252" ),
+ wxT( "windows-1253" ),
+ wxT( "windows-1254" ),
+ wxT( "windows-1255" ),
+ wxT( "windows-1256" ),
+ wxT( "windows-1257" ),
+ wxT( "windows-437" ),
+ wxT( "utf-7" ),
+ wxT( "utf-8" ),
+};
+
+// ----------------------------------------------------------------------------
+// global data
+// ----------------------------------------------------------------------------
+
+// private object
+static wxFontMapper gs_fontMapper;
+
+// and public pointer
+wxFontMapper * wxTheFontMapper = &gs_fontMapper;
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// change the config path during the lifetime of this object
+class wxFontMapperPathChanger
+{
+public:
+ wxFontMapperPathChanger(wxFontMapper *fontMapper, const wxString& path)
+ {
+ m_fontMapper = fontMapper;
+ m_ok = m_fontMapper->ChangePath(path, &m_pathOld);
+ }
+
+ bool IsOk() const { return m_ok; }
+
+ ~wxFontMapperPathChanger()
+ {
+ if ( IsOk() )
+ m_fontMapper->RestorePath(m_pathOld);
+ }
+
+private:
+ wxFontMapper *m_fontMapper;
+ bool m_ok;
+ wxString m_pathOld;
+};
// ============================================================================
// implementation
wxFontMapper::wxFontMapper()
{
+#if wxUSE_CONFIG
m_config = NULL;
+ m_configIsDummy = FALSE;
+#endif // wxUSE_CONFIG
+
+#if wxUSE_GUI
m_windowParent = NULL;
+#endif // wxUSE_GUI
}
wxFontMapper::~wxFontMapper()
{
+#if wxUSE_CONFIG
+ if ( m_configIsDummy )
+ delete m_config;
+#endif // wxUSE_CONFIG
}
// ----------------------------------------------------------------------------
// customisation
// ----------------------------------------------------------------------------
+#if wxUSE_CONFIG
+
/* 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()") );
+ wxT("an absolute path should be given to wxFontMapper::SetConfigPath()") );
m_configRootPath = prefix;
}
-
// ----------------------------------------------------------------------------
// get config object and path for it
// ----------------------------------------------------------------------------
if ( !m_config )
{
// try the default
- m_config = wxConfig::Get();
+ m_config = wxConfig::Get(FALSE /*don't create on demand*/ );
+
+ if ( !m_config )
+ {
+ // we still want to have a config object because otherwise we would
+ // keep asking the user the same questions in the interactive mode,
+ // so create a dummy config which won't write to any files/registry
+ // but will allow us to remember the results of the questions at
+ // least during this run
+ m_config = new wxMemoryConfig;
+ m_configIsDummy = TRUE;
+ // VS: we can't call wxConfig::Set(m_config) here because that would
+ // disable automatic wxConfig instance creation if this code was
+ // called before wxApp::OnInit (this happens in wxGTK -- it sets
+ // default wxFont encoding in wxApp::Initialize())
+ }
+ }
+
+ if ( m_configIsDummy && wxConfig::Get(FALSE) != NULL )
+ {
+ // VS: in case we created dummy m_config (see above), we want to switch back
+ // to the real one as soon as one becomes available.
+ delete m_config;
+ m_config = wxConfig::Get(FALSE);
+ m_configIsDummy = FALSE;
+ // FIXME: ideally, we should add keys from dummy config to the real one now,
+ // but it is a low-priority task because typical wxWin application
+ // either doesn't use wxConfig at all or creates wxConfig object in
+ // wxApp::OnInit(), before any real interaction with the user takes
+ // place...
}
return m_config;
return m_configRootPath;
}
+#endif
bool wxFontMapper::ChangePath(const wxString& pathNew, wxString *pathOld)
{
+#if wxUSE_CONFIG
wxConfigBase *config = GetConfig();
if ( !config )
return FALSE;
}
wxASSERT_MSG( !pathNew || (pathNew[0] != wxCONFIG_PATH_SEPARATOR),
- _T("should be a relative path") );
+ wxT("should be a relative path") );
path += pathNew;
config->SetPath(path);
return TRUE;
+#else
+ return FALSE;
+#endif
}
void wxFontMapper::RestorePath(const wxString& pathOld)
{
+#if wxUSE_CONFIG
GetConfig()->SetPath(pathOld);
+#else
+#endif
}
// ----------------------------------------------------------------------------
// charset/encoding correspondence
// ----------------------------------------------------------------------------
+/* static */
+wxString wxFontMapper::GetEncodingDescription(wxFontEncoding encoding)
+{
+ if ( encoding == wxFONTENCODING_DEFAULT )
+ {
+ return _("Default encoding");
+ }
+
+ size_t count = WXSIZEOF(gs_encodingDescs);
+
+ wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
+ wxT("inconsitency detected - forgot to update one of the arrays?") );
+
+ 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 wxFontMapper::GetEncodingName(wxFontEncoding encoding)
+{
+ if ( encoding == wxFONTENCODING_DEFAULT )
+ {
+ return _("default");
+ }
+
+ size_t count = WXSIZEOF(gs_encodingNames);
+
+ wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
+ wxT("inconsistency detected - forgot to update one of the arrays?") );
+
+ 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;
+}
+
wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
bool interactive)
{
+ // a special pseudo encoding which means "don't ask me about this charset
+ // any more" - we need it to avoid driving the user crazy with asking him
+ // time after time about the same charset which he [presumably] doesn't
+ // have the fonts fot
+ static const int wxFONTENCODING_UNKNOWN = -2;
+
wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
// we're going to modify it, make a copy
wxString cs = charset;
+#if wxUSE_CONFIG
// first try the user-defined settings
wxString pathOld;
if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
long value = config->Read(charset, -1l);
if ( value != -1 )
{
+ if ( value == wxFONTENCODING_UNKNOWN )
+ {
+ // don't try to find it, in particular don't ask the user
+ return wxFONTENCODING_SYSTEM;
+ }
+
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());
+ wxLogDebug(wxT("corrupted config data: invalid encoding %ld for charset '%s' ignored"),
+ value, charset.c_str());
}
}
RestorePath(pathOld);
}
+#endif // wxUSE_CONFIG
- // if didn't find it there, try to reckognise it ourselves
+ // if didn't find it there, try to recognize it ourselves
if ( encoding == wxFONTENCODING_SYSTEM )
{
+ // trim any spaces
+ cs.Trim(TRUE);
+ cs.Trim(FALSE);
+
+ // discard the optional quotes
+ if ( !!cs )
+ {
+ if ( cs[0u] == _T('"') && cs.Last() == _T('"') )
+ {
+ cs = wxString(cs.c_str(), cs.length() - 1);
+ }
+ }
+
cs.MakeUpper();
- if ( !cs || cs == _T("US-ASCII") )
+ if ( !cs || cs == wxT("US-ASCII") )
+ {
encoding = wxFONTENCODING_DEFAULT;
- else if ( cs == _T("KOI8-R") || cs == _T("KOI8-U") )
+ }
+ else if ( cs == wxT("UTF-7") )
+ {
+ encoding = wxFONTENCODING_UTF7;
+ }
+ else if ( cs == wxT("UTF-8") )
+ {
+ encoding = wxFONTENCODING_UTF8;
+ }
+ else if ( cs == wxT("KOI8-R") ||
+ cs == wxT("KOI8-U") ||
+ cs == wxT("KOI8-RU") )
+ {
+ // although koi8-ru is not strictly speaking the same as koi8-r,
+ // they are similar enough to make mapping it to koi8 better than
+ // not reckognizing it at all
encoding = wxFONTENCODING_KOI8;
- else if ( cs.Left(3) == _T("ISO") )
+ }
+ 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 == _T('-') )
+ if ( *p == wxT('-') )
p++;
unsigned int value;
- if ( wxSscanf(p, _T("8859-%u"), &value) == 1 )
+ if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
{
- if ( value < wxFONTENCODING_ISO8859_MAX -
- wxFONTENCODING_ISO8859_1 )
+ // 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 - 1;
+ value += wxFONTENCODING_ISO8859_1;
encoding = (wxFontEncoding)value;
}
}
}
- else if ( cs.Left(8) == _T("WINDOWS-") )
+ else // check for Windows charsets
{
- int value;
- if ( wxSscanf(cs.c_str() + 8, "%u", &value) == 1 )
+ 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
{
- if ( value >= 1250 )
+ len = 0;
+ }
+
+ if ( len )
+ {
+ const wxChar *p = cs.c_str() + len;
+ if ( *p == wxT('-') )
+ p++;
+
+ int value;
+ if ( wxSscanf(p, wxT("%u"), &value) == 1 )
{
- value -= 1250;
- if ( value < wxFONTENCODING_CP12_MAX -
- wxFONTENCODING_CP1250 - 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 )
{
- // a valid Windows code page
- value += wxFONTENCODING_CP1250;
- encoding = (wxFontEncoding)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
}
+#if wxUSE_GUI
// if still no luck, ask the user - unless disabled
if ( (encoding == wxFONTENCODING_SYSTEM) && interactive )
{
// 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());
+ msg.Printf(_("The charset '%s' is unknown. You may select\nanother charset to replace it with or choose\n[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?") );
+ size_t count = WXSIZEOF(gs_encodingDescs);
+
+ wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
+ wxT("inconsitency detected - forgot to update one of the arrays?") );
wxString *encodingNamesTranslated = new wxString[count];
- for ( size_t n = 0; n < count; n++ )
+ for ( size_t i = 0; i < count; i++ )
{
- encodingNamesTranslated[n] = wxGetTranslation(encodingNames[n]);
+ encodingNamesTranslated[i] = wxGetTranslation(gs_encodingDescs[i]);
}
// the parent window
if ( n != -1 )
{
- encoding = encodings[n];
+ encoding = gs_encodings[n];
+ }
+
+#if wxUSE_CONFIG
+ // save the result in the config now
+ if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
+ {
+ wxConfigBase *config = GetConfig();
+
+ // remember the alt encoding for this charset - or remember that
+ // we don't know it
+ long value = n == -1 ? wxFONTENCODING_UNKNOWN : (long)encoding;
+ if ( !config->Write(charset, value) )
+ {
+ wxLogError(_("Failed to remember the encoding for the charset '%s'."), charset.c_str());
+ }
+
+ RestorePath(pathOld);
}
- //else: cancelled
+#endif // wxUSE_CONFIG
}
+#endif // wxUSE_GUI
return encoding;
}
+// ----------------------------------------------------------------------------
+// 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
+// ----------------------------------------------------------------------------
+
+#if wxUSE_GUI
+
+bool wxFontMapper::TestAltEncoding(const wxString& configEntry,
+ wxFontEncoding encReplacement,
+ wxNativeEncodingInfo *info)
+{
+ if ( wxGetNativeFontEncoding(encReplacement, info) &&
+ wxTestFontEncoding(*info) )
+ {
+#if wxUSE_CONFIG
+ // remember the mapping in the config
+ wxFontMapperPathChanger path(this, FONTMAPPER_FONT_FROM_ENCODING_PATH);
+
+ if ( path.IsOk() )
+ {
+ GetConfig()->Write(configEntry, info->ToString());
+ }
+#endif // wxUSE_CONFIG
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+#if wxUSE_GUI
+class ReentrancyBlocker
+{
+public:
+ ReentrancyBlocker(bool& b) : m_b(b) { m_b = TRUE; }
+ ~ReentrancyBlocker() { m_b = FALSE; }
+
+private:
+ bool& m_b;
+};
+#endif
+
+bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
+ wxNativeEncodingInfo *info,
+ const wxString& facename,
+ bool interactive)
+{
+#if wxUSE_GUI
+ // we need a flag to prevent infinite recursion which happens, for
+ // example, when GetAltForEncoding() is called from an OnPaint() handler:
+ // in this case, wxYield() which is called from wxMessageBox() we use here
+ // will lead to another call of OnPaint() and hence to another call of
+ // GetAltForEncoding() - and it is impossible to catch this from the user
+ // code because we are called from wxFont ctor implicitly.
+
+ // assume we're always called from the main thread, so that it is safe to
+ // use a static var
+ static bool s_inGetAltForEncoding = FALSE;
+
+ if ( interactive && s_inGetAltForEncoding )
+ return FALSE;
+
+ ReentrancyBlocker blocker(s_inGetAltForEncoding);
+#endif // wxUSE_GUI
+
+ wxCHECK_MSG( info, FALSE, wxT("bad pointer in GetAltForEncoding") );
+
+ info->facename = facename;
+
+ 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,
+ encName = GetEncodingName(encoding);
+ if ( !!facename )
+ {
+ configEntry = facename + _T("_");
+ }
+ configEntry += encName;
+
+#if wxUSE_CONFIG
+ // 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);
+
+ // this special value means that we don't know of fonts for this
+ // encoding but, moreover, have already asked the user as well and he
+ // didn't specify any font neither
+ if ( fontinfo == FONTMAPPER_FONT_DONT_ASK )
+ {
+ interactive = FALSE;
+ }
+ else // use the info entered the last time
+ {
+ if ( !!fontinfo && !!facename )
+ {
+ // we tried to find a match with facename - now try without it
+ fontinfo = config->Read(encName);
+ }
+
+ if ( !!fontinfo )
+ {
+ if ( info->FromString(fontinfo) )
+ {
+ if ( wxTestFontEncoding(*info) )
+ {
+ // ok, got something
+ return TRUE;
+ }
+ //else: no such fonts, look for something else
+ // (should we erase the outdated value?)
+ }
+ else
+ {
+ wxLogDebug(wxT("corrupted config data: string '%s' is not a valid font encoding info"),
+ fontinfo.c_str());
+ }
+ }
+ //else: there is no information in config about this encoding
+ }
+ }
+#endif // wxUSE_CONFIG
+
+ // now try to map this encoding to a compatible one which we have on this
+ // system
+ wxFontEncodingArray equiv = wxEncodingConverter::GetAllEquivalents(encoding);
+ size_t count = equiv.GetCount();
+ bool foundEquivEncoding = FALSE;
+ wxFontEncoding equivEncoding = wxFONTENCODING_SYSTEM;
+ if ( count )
+ {
+ for ( size_t i = 0; i < count && !foundEquivEncoding; i++ )
+ {
+ // don't test for encoding itself, we already know we don't have it
+ if ( equiv[i] == encoding )
+ continue;
+
+ if ( TestAltEncoding(configEntry, equiv[i], info) )
+ {
+ equivEncoding = equiv[i];
+
+ foundEquivEncoding = TRUE;
+ }
+ }
+ }
+
+ // ask the user
+#if wxUSE_FONTDLG
+ if ( interactive )
+ {
+ wxString title(m_titleDialog);
+ if ( !title )
+ title << wxTheApp->GetAppName() << _(": unknown encoding");
+
+ // built the message
+ wxString encDesc = GetEncodingDescription(encoding),
+ msg;
+ if ( foundEquivEncoding )
+ {
+ // ask the user if he wants to override found alternative encoding
+ msg.Printf(_("No font for displaying text in encoding '%s' found,\nbut an alternative encoding '%s' is available.\nDo you want to use this encoding (otherwise you will have to choose another one)?"),
+ encDesc.c_str(), GetEncodingDescription(equivEncoding).c_str());
+ }
+ else
+ {
+ msg.Printf(_("No font for displaying text in encoding '%s' found.\nWould you like to select a font to be used for this encoding\n(otherwise the text in this encoding will not be shown correctly)?"),
+ encDesc.c_str());
+ }
+
+ // the question is different in 2 cases so the answer has to be
+ // interpreted differently as well
+ int answer = foundEquivEncoding ? wxNO : wxYES;
+
+ if ( wxMessageBox(msg, title,
+ wxICON_QUESTION | wxYES_NO,
+ m_windowParent) == answer )
+ {
+ wxFontData data;
+ data.SetEncoding(encoding);
+ data.EncodingInfo() = *info;
+ wxFontDialog dialog(m_windowParent, &data);
+ if ( dialog.ShowModal() == wxID_OK )
+ {
+ wxFontData retData = dialog.GetFontData();
+ wxFont font = retData.GetChosenFont();
+
+ *info = retData.EncodingInfo();
+ info->encoding = retData.GetEncoding();
+
+#if wxUSE_CONFIG
+ // remember this in the config
+ if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+ {
+ GetConfig()->Write(configEntry, info->ToString());
+
+ RestorePath(pathOld);
+ }
+#endif // wxUSE_CONFIG
+
+ return TRUE;
+ }
+ //else: the user canceled the font selection dialog
+ }
+ else
+ {
+ // the user doesn't want to select a font for this encoding
+ // or selected to use equivalent encoding
+ //
+ // remember it to avoid asking the same question again later
+#if wxUSE_CONFIG
+ if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+ {
+ GetConfig()->Write
+ (
+ configEntry,
+ foundEquivEncoding ? info->ToString().c_str()
+ : FONTMAPPER_FONT_DONT_ASK
+ );
+
+ RestorePath(pathOld);
+ }
+#endif // wxUSE_CONFIG
+ }
+ }
+ //else: we're in non-interactive mode
+#endif // wxUSE_FONTDLG
+
+ return foundEquivEncoding;
+}
+
+bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
+ wxFontEncoding *alt_encoding,
+ const wxString& facename,
+ bool interactive)
+{
+ wxNativeEncodingInfo info;
+ bool r = GetAltForEncoding(encoding, &info, facename, interactive);
+ *alt_encoding = info.encoding;
+ return r;
+}
+
+bool wxFontMapper::IsEncodingAvailable(wxFontEncoding encoding,
+ const wxString& facename)
+{
+ wxNativeEncodingInfo info;
+
+ if (wxGetNativeFontEncoding(encoding, &info))
+ {
+ info.facename = facename;
+ return wxTestFontEncoding(info);
+ }
+
+ return FALSE;
+}
+
+#endif // wxUSE_GUI
+
+#endif // wxUSE_FONTMAP
projects / wxWidgets.git / blobdiff