/* static */
bool wxLocale::IsAvailable(int lang)
{
const wxLanguageInfo *info = wxLocale::GetLanguageInfo(lang);
wxCHECK_MSG( info, false, wxS("invalid language") );
#if defined(__WIN32__)
if ( !info->WinLang )
return false;
if ( !::IsValidLocale(info->GetLCID(), LCID_INSTALLED) )
return false;
#elif defined(__UNIX__)
// Test if setting the locale works, then set it back.
char * const oldLocale = wxStrdupA(setlocale(LC_ALL, NULL));
// Some platforms don't like xx_YY form and require xx only so test for
// it too.
const bool
available = wxSetlocaleTryUTF8(LC_ALL, info->CanonicalName) ||
wxSetlocaleTryUTF8(LC_ALL, ExtractLang(info->CanonicalName));
// restore the original locale
wxSetlocale(LC_ALL, oldLocale);
free(oldLocale);
if ( !available )
return false;
#endif
return true;
}
// use unusual names for the parameters to avoid conflict with wxApp::arg[cv]
bool wxApp::Initialize(int& argc_, wxChar **argv_)
{
if ( !wxAppBase::Initialize(argc_, argv_) )
return false;
#if wxUSE_THREADS
if (!g_thread_supported())
{
g_thread_init(NULL);
gdk_threads_init();
}
#endif // wxUSE_THREADS
// gtk+ 2.0 supports Unicode through UTF-8 strings
wxConvCurrent = &wxConvUTF8;
#ifdef __UNIX__
// decide which conversion to use for the file names
// (1) this variable exists for the sole purpose of specifying the encoding
// of the filenames for GTK+ programs, so use it if it is set
wxString encName(wxGetenv(wxT("G_FILENAME_ENCODING")));
encName = encName.BeforeFirst(wxT(','));
if (encName.CmpNoCase(wxT("@locale")) == 0)
encName.clear();
encName.MakeUpper();
#if wxUSE_INTL
if (encName.empty())
{
// (2) if a non default locale is set, assume that the user wants his
// filenames in this locale too
encName = wxLocale::GetSystemEncodingName().Upper();
// But don't consider ASCII in this case.
if ( !encName.empty() )
{
#if wxUSE_FONTMAP
wxFontEncoding enc = wxFontMapperBase::GetEncodingFromName(encName);
if ( enc == wxFONTENCODING_DEFAULT )
#else // !wxUSE_FONTMAP
if ( encName == wxT("US-ASCII") )
#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
{
// This means US-ASCII when returned from GetEncodingFromName().
encName.clear();
}
}
// (3) finally use UTF-8 by default
if ( encName.empty() )
encName = wxT("UTF-8");
wxSetEnv(wxT("G_FILENAME_ENCODING"), encName);
}
#else
if (encName.empty())
encName = wxT("UTF-8");
// if wxUSE_INTL==0 it probably indicates that only "C" locale is supported
// by the program anyhow so prevent GTK+ from calling setlocale(LC_ALL, "")
// from gtk_init_check() as it does by default
gtk_disable_setlocale();
#endif // wxUSE_INTL
static wxConvBrokenFileNames fileconv(encName);
wxConvFileName = &fileconv;
#endif // __UNIX__
bool init_result;
int i;
#if wxUSE_UNICODE
// gtk_init() wants UTF-8, not wchar_t, so convert
char **argvGTK = new char *[argc_ + 1];
for ( i = 0; i < argc_; i++ )
{
argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i]));
}
argvGTK[argc_] = NULL;
int argcGTK = argc_;
#ifdef __WXGPE__
init_result = true; // is there a _check() version of this?
gpe_application_init( &argcGTK, &argvGTK );
#else
init_result = gtk_init_check( &argcGTK, &argvGTK );
#endif
wxUpdateLocaleIsUtf8();
if ( argcGTK != argc_ )
{
// we have to drop the parameters which were consumed by GTK+
for ( i = 0; i < argcGTK; i++ )
{
while ( strcmp(wxConvUTF8.cWX2MB(argv_[i]), argvGTK[i]) != 0 )
{
memmove(argv_ + i, argv_ + i + 1, (argc_ - i)*sizeof(*argv_));
}
}
argc_ = argcGTK;
argv_[argc_] = NULL;
}
//else: gtk_init() didn't modify our parameters
// free our copy
for ( i = 0; i < argcGTK; i++ )
{
free(argvGTK[i]);
}
delete [] argvGTK;
#else // !wxUSE_UNICODE
// gtk_init() shouldn't actually change argv_ itself (just its contents) so
// it's ok to pass pointer to it
init_result = gtk_init_check( &argc_, &argv_ );
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
// update internal arg[cv] as GTK+ may have removed processed options:
this->argc = argc_;
this->argv = argv_;
if ( m_traits )
{
// if there are still GTK+ standard options unparsed in the command
// line, it means that they were not syntactically correct and GTK+
// already printed a warning on the command line and we should now
// exit:
wxArrayString opt, desc;
m_traits->GetStandardCmdLineOptions(opt, desc);
for ( i = 0; i < argc_; i++ )
{
// leave just the names of the options with values
const wxString str = wxString(argv_[i]).BeforeFirst('=');
for ( size_t j = 0; j < opt.size(); j++ )
{
// remove the leading spaces from the option string as it does
// have them
if ( opt[j].Trim(false).BeforeFirst('=') == str )
{
// a GTK+ option can be left on the command line only if
// there was an error in (or before, in another standard
// options) it, so abort, just as we do if incorrect
// program option is given
wxLogError(_("Invalid GTK+ command line option, use \"%s --help\""),
argv_[0]);
return false;
}
}
}
}
if ( !init_result )
{
wxLogError(_("Unable to initialize GTK+, is DISPLAY set properly?"));
return false;
}
// we cannot enter threads before gtk_init is done
gdk_threads_enter();
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
// make sure GtkWidget type is loaded, idle hooks need it
g_type_class_ref(GTK_TYPE_WIDGET);
WakeUpIdle();
return true;
}
bool wxApp::Initialize(int& argc, wxChar **argv)
{
bool init_result;
#if wxUSE_THREADS
if (!g_thread_supported())
g_thread_init(NULL);
wxgs_poll_func = g_main_context_get_poll_func(NULL);
g_main_context_set_poll_func(NULL, wxapp_poll_func);
#endif // wxUSE_THREADS
gtk_set_locale();
// We should have the wxUSE_WCHAR_T test on the _outside_
#if wxUSE_WCHAR_T
// gtk+ 2.0 supports Unicode through UTF-8 strings
wxConvCurrent = &wxConvUTF8;
#else // !wxUSE_WCHAR_T
if (!wxOKlibc())
wxConvCurrent = (wxMBConv*) NULL;
#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
// decide which conversion to use for the file names
// (1) this variable exists for the sole purpose of specifying the encoding
// of the filenames for GTK+ programs, so use it if it is set
wxString encName(wxGetenv(_T("G_FILENAME_ENCODING")));
encName = encName.BeforeFirst(_T(','));
if (encName.CmpNoCase(_T("@locale")) == 0)
encName.clear();
encName.MakeUpper();
#if wxUSE_INTL
if (encName.empty())
{
// (2) if a non default locale is set, assume that the user wants his
// filenames in this locale too
encName = wxLocale::GetSystemEncodingName().Upper();
// (3) finally use UTF-8 by default
if (encName.empty() || encName == _T("US-ASCII"))
encName = _T("UTF-8");
wxSetEnv(_T("G_FILENAME_ENCODING"), encName);
}
#else
if (encName.empty())
encName = _T("UTF-8");
#endif // wxUSE_INTL
#if wxUSE_WCHAR_T
static wxConvBrokenFileNames fileconv(encName);
wxConvFileName = &fileconv;
#endif // wxUSE_WCHAR_T
#if wxUSE_UNICODE
// gtk_init() wants UTF-8, not wchar_t, so convert
int i;
char **argvGTK = new char *[argc + 1];
for ( i = 0; i < argc; i++ )
{
argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
}
argvGTK[argc] = NULL;
int argcGTK = argc;
#ifdef __WXGPE__
init_result = true; // is there a _check() version of this?
gpe_application_init( &argcGTK, &argvGTK );
#else
init_result = gtk_init_check( &argcGTK, &argvGTK );
#endif
if ( argcGTK != argc )
{
// we have to drop the parameters which were consumed by GTK+
for ( i = 0; i < argcGTK; i++ )
{
while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
{
memmove(argv + i, argv + i + 1, (argc - i)*sizeof(*argv));
}
}
argc = argcGTK;
}
//else: gtk_init() didn't modify our parameters
// free our copy
for ( i = 0; i < argcGTK; i++ )
{
free(argvGTK[i]);
}
delete [] argvGTK;
#else // !wxUSE_UNICODE
// gtk_init() shouldn't actually change argv itself (just its contents) so
// it's ok to pass pointer to it
init_result = gtk_init_check( &argc, &argv );
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
if (!init_result) {
wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
return false;
}
// update internal arg[cv] as GTK+ may have removed processed options:
this->argc = argc;
this->argv = argv;
// we can not enter threads before gtk_init is done
gdk_threads_enter();
if ( !wxAppBase::Initialize(argc, argv) )
{
gdk_threads_leave();
return false;
}
wxSetDetectableAutoRepeat( true );
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
return true;
}