// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// NOTE: don't miss the "readme.txt" file which comes with this sample!
+
+
+
// ============================================================================
// declarations
// ============================================================================
#endif
#ifndef WX_PRECOMP
-#include "wx/wx.h"
+ #include "wx/wx.h"
#endif
#include "wx/intl.h"
#include "wx/file.h"
#include "wx/log.h"
+#include "wx/cmdline.h"
#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
#include "mondrian.xpm"
class MyApp: public wxApp
{
public:
+ MyApp() { m_lang = wxLANGUAGE_UNKNOWN; }
+
+ virtual void OnInitCmdLine(wxCmdLineParser& parser);
+ virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
virtual bool OnInit();
protected:
- wxLocale m_locale; // locale we'll be using
+ wxLanguage m_lang; // language specified by user
+ wxLocale m_locale; // locale we'll be using
};
// Define a new frame type
{
wxLANGUAGE_DEFAULT,
wxLANGUAGE_FRENCH,
+ wxLANGUAGE_ITALIAN,
wxLANGUAGE_GERMAN,
wxLANGUAGE_RUSSIAN,
wxLANGUAGE_BULGARIAN,
// shown before we set the locale anyhow
const wxString langNames[] =
{
- _T("System default"),
- _T("French"),
- _T("German"),
- _T("Russian"),
- _T("Bulgarian"),
- _T("Czech"),
- _T("Polish"),
- _T("Swedish"),
+ "System default",
+ "French",
+ "Italian",
+ "German",
+ "Russian",
+ "Bulgarian",
+ "Czech",
+ "Polish",
+ "Swedish",
#if wxUSE_UNICODE || defined(__WXMOTIF__)
- _T("Japanese"),
+ "Japanese",
#endif
#if wxUSE_UNICODE
- _T("Georgian"),
- _T("English"),
- _T("English (U.S.)"),
- _T("Arabic"),
- _T("Arabic (Egypt)")
+ "Georgian",
+ "English",
+ "English (U.S.)",
+ "Arabic",
+ "Arabic (Egypt)"
#endif
};
// MyApp
// ----------------------------------------------------------------------------
+// command line arguments handling
+void MyApp::OnInitCmdLine(wxCmdLineParser& parser)
+{
+ parser.AddParam(_("locale"),
+ wxCMD_LINE_VAL_STRING,
+ wxCMD_LINE_PARAM_OPTIONAL);
+
+ wxApp::OnInitCmdLine(parser);
+}
+
+bool MyApp::OnCmdLineParsed(wxCmdLineParser& parser)
+{
+ if ( !wxApp::OnCmdLineParsed(parser) )
+ return false;
+
+ if ( parser.GetParamCount() )
+ {
+ const wxString loc = parser.GetParam();
+ const wxLanguageInfo * const lang = wxLocale::FindLanguageInfo(loc);
+ if ( !lang )
+ {
+ wxLogError(_("Locale \"%s\" is unknown."), loc);
+ return false;
+ }
+
+ m_lang = static_cast<wxLanguage>(lang->Language);
+ }
+
+ return true;
+}
+
// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
- long lng = -1;
-
- if ( argc == 2 )
+ if ( m_lang == wxLANGUAGE_UNKNOWN )
{
- // the parameter must be the lang index
- wxString tmp(argv[1]);
- tmp.ToLong(&lng);
+ int lng = wxGetSingleChoiceIndex
+ (
+ _("Please choose language:"),
+ _("Language"),
+ WXSIZEOF(langNames),
+ langNames
+ );
+ m_lang = lng == -1 ? wxLANGUAGE_DEFAULT : langIds[lng];
}
- if ( lng == -1 )
+ // don't use wxLOCALE_LOAD_DEFAULT flag so that Init() doesn't return
+ // false just because it failed to load wxstd catalog
+ if ( !m_locale.Init(m_lang, wxLOCALE_CONV_ENCODING) )
{
- lng = wxGetSingleChoiceIndex
- (
- _T("Please choose language:"),
- _T("Language"),
- WXSIZEOF(langNames),
- langNames
- );
- }
+ wxLogWarning(_("This language is not supported by the system."));
- if ( lng != -1 )
- {
- // don't use wxLOCALE_LOAD_DEFAULT flag so that Init() doesn't return
- // false just because it failed to load wxstd catalog
- if ( !m_locale.Init(langIds[lng], wxLOCALE_CONV_ENCODING) )
- {
- wxLogError(_T("This language is not supported by the system."));
- return false;
- }
+ // continue nevertheless
}
// normally this wouldn't be necessary as the catalog files would be found
// in the default locations, but when the program is not installed the
// catalogs are in the build directory where we wouldn't find them by
// default
- wxLocale::AddCatalogLookupPathPrefix(wxT("."));
+ wxLocale::AddCatalogLookupPathPrefix(".");
// Initialize the catalogs we'll be using
- m_locale.AddCatalog(wxT("internat"));
+ if (!m_locale.AddCatalog("internat"))
+ wxLogError(_("Couldn't find/load the 'internat' catalog."));
+
+ // Now try to add wxstd.mo so that loading "NOTEXIST.ING" file will produce
+ // a localized error message:
+ m_locale.AddCatalog("wxstd.mo");
+ // NOTE: it's not an error if we couldn't find it!
// this catalog is installed in standard location on Linux systems and
// shows that you may make use of the standard message catalogs as well
#ifdef __LINUX__
{
wxLogNull noLog;
- m_locale.AddCatalog(_T("fileutils"));
+ m_locale.AddCatalog("fileutils");
}
#endif
// Create the main frame window
MyFrame *frame = new MyFrame(m_locale);
- // Give it an icon
- frame->SetIcon(wxICON(mondrian));
-
- // Make a menubar
- wxMenu *file_menu = new wxMenu;
- file_menu->Append(INTERNAT_TEST, _("&Test locale availability...\tCtrl-T"));
- file_menu->AppendSeparator();
- file_menu->Append(wxID_ABOUT, _("&About..."));
- file_menu->AppendSeparator();
- file_menu->Append(wxID_EXIT, _("E&xit"));
-
- wxMenu *test_menu = new wxMenu;
- test_menu->Append(wxID_OPEN, _("&Open bogus file"));
- test_menu->Append(INTERNAT_PLAY, _("&Play a game"));
- test_menu->AppendSeparator();
- test_menu->Append(INTERNAT_TEST_1, _("&1 _() (gettext)"));
- test_menu->Append(INTERNAT_TEST_2, _("&2 _N() (ngettext)"));
- test_menu->Append(INTERNAT_TEST_3, _("&3 wxTRANSLATE() (gettext_noop)"));
-
- wxMenuBar *menu_bar = new wxMenuBar;
- menu_bar->Append(file_menu, _("&File"));
- menu_bar->Append(test_menu, _("&Test"));
- frame->SetMenuBar(menu_bar);
-
// Show the frame
frame->Show(true);
SetTopWindow(frame);
_("International wxWidgets App")),
m_locale(locale)
{
+ SetIcon(wxICON(mondrian));
+
+ // Make a menubar
+ wxMenu *file_menu = new wxMenu;
+ file_menu->Append(INTERNAT_TEST, _("&Test locale availability...\tCtrl-T"));
+ file_menu->AppendSeparator();
+
+ // since wxID_ABOUT and wxID_EXIT are stock IDs they will automatically get
+ // translated help strings; nice isn't it?
+ file_menu->Append(wxID_ABOUT, _("&About..."));
+ file_menu->AppendSeparator();
+ file_menu->Append(wxID_EXIT, _("E&xit"));
+
+ wxMenu *test_menu = new wxMenu;
+ test_menu->Append(wxID_OPEN, _("&Open bogus file"), _("Shows a wxWidgets localized error message"));
+ test_menu->Append(INTERNAT_PLAY, _("&Play a game"), _("A little game; hint: 17 is a lucky number for many"));
+ test_menu->AppendSeparator();
+ test_menu->Append(INTERNAT_TEST_1, _("&1 _() (gettext)"), _("Tests the _() macro"));
+ test_menu->Append(INTERNAT_TEST_2, _("&2 _N() (ngettext)"), _("Tests the _N() macro"));
+ test_menu->Append(INTERNAT_TEST_3, _("&3 wxTRANSLATE() (gettext_noop)"), _("Tests the wxTRANSLATE() macro"));
+
+ wxMenuBar *menu_bar = new wxMenuBar;
+ menu_bar->Append(file_menu, _("&File"));
+ menu_bar->Append(test_menu, _("&Test"));
+ SetMenuBar(menu_bar);
+
+ // this demonstrates RTL support in wxStatusBar:
+ CreateStatusBar(1);
+
// this demonstrates RTL layout mirroring for Arabic locales
wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
sizer->Add(new wxStaticText(this, wxID_ANY, _("First")),
wxMessageDialog dlg(
this,
wxString(_("I18n sample\n(c) 1998, 1999 Vadim Zeitlin and Julian Smart"))
- + wxT("\n\n")
+ + "\n\n"
+ localeInfo,
_("About Internat"),
wxOK | wxICON_INFORMATION
{
// this is a more implicit way to write _() but note that if you use it
// you must ensure that the strings get extracted in the message
- // catalog as by default xgettext won't do it (it only knows of _(),
- // not wxGetTranslation())
- str = wxGetTranslation(_T("Bad luck! try again..."));
+ // catalog as by default xgettext won't do it; it only knows of _(),
+ // not of wxTRANSLATE(). As internat's readme.txt says you should thus
+ // call xgettext with -kwxTRANSLATE.
+ str = wxGetTranslation(wxTRANSLATE("Bad luck! try again..."));
+
+ // note also that if we want 'str' to contain a localized string
+ // we need to use wxGetTranslation explicitely as wxTRANSLATE just
+ // tells xgettext to extract the string but has no effect on the
+ // runtime of the program!
}
wxMessageBox(str, _("Result"), wxOK | wxICON_INFORMATION);
void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
{
// open a bogus file -- the error message should be also translated if
- // you've got wxstd.mo somewhere in the search path
- wxFile file(wxT("NOTEXIST.ING"));
+ // you've got wxstd.mo somewhere in the search path (see MyApp::OnInit)
+ wxFile file("NOTEXIST.ING");
}
void MyFrame::OnTest1(wxCommandEvent& WXUNUSED(event))
{
- const wxChar* title = _("Testing _() (gettext)");
+ const wxString& title = _("Testing _() (gettext)");
+
+ // NOTE: using the wxTRANSLATE() macro here we won't show a localized
+ // string in the text entry dialog; we'll simply show the un-translated
+ // string; however if the user press "ok" without altering the text,
+ // since the "default value" string has been extracted by xgettext
+ // the wxGetTranslation call later will manage to return a localized
+ // string
wxTextEntryDialog d(this, _("Please enter text to translate"),
- title, wxTRANSLATE("default value"));
+ title, wxTRANSLATE("default value"));
+
if (d.ShowModal() == wxID_OK)
{
wxString v = d.GetValue();
wxString s(title);
- s << _T("\n") << v << _T(" -> ")
- << wxGetTranslation(v.c_str()) << _T("\n");
+ s << "\n" << v << " -> "
+ << wxGetTranslation(v.c_str()) << "\n";
wxMessageBox(s);
}
}
void MyFrame::OnTest2(wxCommandEvent& WXUNUSED(event))
{
- const wxChar* title = _("Testing _N() (ngettext)");
+ const wxString& title = _("Testing _N() (ngettext)");
wxTextEntryDialog d(this,
_("Please enter range for plural forms of \"n files deleted\" phrase"),
- title, _T("0-10"));
+ title, "0-10");
+
if (d.ShowModal() == wxID_OK)
{
int first, last;
- wxSscanf(d.GetValue(), _T("%d-%d"), &first, &last);
+ wxSscanf(d.GetValue(), "%d-%d", &first, &last);
wxString s(title);
- s << _T("\n");
+ s << "\n";
for (int n = first; n <= last; ++n)
{
- s << n << _T(" ") <<
+ s << n << " " <<
wxPLURAL("file deleted", "files deleted", n) <<
- _T("\n");
+ "\n";
}
wxMessageBox(s);
}
void MyFrame::OnTest3(wxCommandEvent& WXUNUSED(event))
{
- const wxChar* lines[] =
+ const char* lines[] =
{
wxTRANSLATE("line 1"),
wxTRANSLATE("line 2"),
wxTRANSLATE("line 3"),
};
+
wxString s(_("Testing wxTRANSLATE() (gettext_noop)"));
- s << _T("\n");
+ s << "\n";
for (size_t i = 0; i < WXSIZEOF(lines); ++i)
{
- s << lines[i] << _T(" -> ") << wxGetTranslation(lines[i]) << _T("\n");
+ s << lines[i] << " -> " << wxGetTranslation(lines[i]) << "\n";
}
wxMessageBox(s);
}