]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/internat/internat.cpp
remove MSVC solution files from svn
[wxWidgets.git] / samples / internat / internat.cpp
index 1bf57ba9a401e92eab9d232cb0856cfaf1ab7293..c21753db0de7c14d5512c3a6fa41d0ef371a15ac 100644 (file)
 #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
@@ -57,14 +63,16 @@ public:
     MyFrame(wxLocale& m_locale);
 
 public:
-    void OnQuit(wxCommandEvent& event);
+    void OnTestLocaleAvail(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
+    void OnQuit(wxCommandEvent& event);
+
     void OnPlay(wxCommandEvent& event);
     void OnOpen(wxCommandEvent& event);
     void OnTest1(wxCommandEvent& event);
     void OnTest2(wxCommandEvent& event);
     void OnTest3(wxCommandEvent& event);
-    
+
     DECLARE_EVENT_TABLE()
 
     wxLocale& m_locale;
@@ -77,24 +85,77 @@ public:
 // ID for the menu commands
 enum
 {
-    INTERNAT_QUIT = 1,
-    INTERNAT_TEXT,
-    INTERNAT_TEST,
+    INTERNAT_TEST = wxID_HIGHEST + 1,
+    INTERNAT_PLAY,
     INTERNAT_TEST_1,
     INTERNAT_TEST_2,
-    INTERNAT_TEST_3,
-    INTERNAT_OPEN
+    INTERNAT_TEST_3
+};
+
+// language data
+static const wxLanguage langIds[] =
+{
+    wxLANGUAGE_DEFAULT,
+    wxLANGUAGE_FRENCH,
+    wxLANGUAGE_ITALIAN,
+    wxLANGUAGE_GERMAN,
+    wxLANGUAGE_RUSSIAN,
+    wxLANGUAGE_BULGARIAN,
+    wxLANGUAGE_CZECH,
+    wxLANGUAGE_POLISH,
+    wxLANGUAGE_SWEDISH,
+#if wxUSE_UNICODE || defined(__WXMOTIF__)
+    wxLANGUAGE_JAPANESE,
+#endif
+#if wxUSE_UNICODE
+    wxLANGUAGE_GEORGIAN,
+    wxLANGUAGE_ENGLISH,
+    wxLANGUAGE_ENGLISH_US,
+    wxLANGUAGE_ARABIC,
+    wxLANGUAGE_ARABIC_EGYPT
+#endif
+};
+
+// note that it makes no sense to translate these strings, they are
+// shown before we set the locale anyhow
+const wxString langNames[] =
+{
+    "System default",
+    "French",
+    "Italian",
+    "German",
+    "Russian",
+    "Bulgarian",
+    "Czech",
+    "Polish",
+    "Swedish",
+#if wxUSE_UNICODE || defined(__WXMOTIF__)
+    "Japanese",
+#endif
+#if wxUSE_UNICODE
+    "Georgian",
+    "English",
+    "English (U.S.)",
+    "Arabic",
+    "Arabic (Egypt)"
+#endif
 };
 
+// the arrays must be in sync
+wxCOMPILE_TIME_ASSERT( WXSIZEOF(langNames) == WXSIZEOF(langIds),
+                       LangArraysMismatch );
+
 // ----------------------------------------------------------------------------
-// wxWindows macros
+// wxWidgets macros
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
-    EVT_MENU(INTERNAT_QUIT, MyFrame::OnQuit)
+    EVT_MENU(INTERNAT_TEST, MyFrame::OnTestLocaleAvail)
     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
-    EVT_MENU(INTERNAT_TEST, MyFrame::OnPlay)
-    EVT_MENU(INTERNAT_OPEN, MyFrame::OnOpen)
+    EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
+
+    EVT_MENU(INTERNAT_PLAY, MyFrame::OnPlay)
+    EVT_MENU(wxID_OPEN, MyFrame::OnOpen)
     EVT_MENU(INTERNAT_TEST_1, MyFrame::OnTest1)
     EVT_MENU(INTERNAT_TEST_2, MyFrame::OnTest2)
     EVT_MENU(INTERNAT_TEST_3, MyFrame::OnTest3)
@@ -110,73 +171,78 @@ IMPLEMENT_APP(MyApp)
 // 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()
 {
-    long lng = -1;
+    if ( !wxApp::OnInit() )
+        return false;
 
-    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];
     }
 
-    static const wxLanguage langIds[] =
+    // 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) )
     {
-        wxLANGUAGE_DEFAULT,
-        wxLANGUAGE_FRENCH,
-        wxLANGUAGE_GERMAN,
-        wxLANGUAGE_RUSSIAN,
-        wxLANGUAGE_BULGARIAN,
-        wxLANGUAGE_CZECH,
-#if wxUSE_UNICODE
-        wxLANGUAGE_JAPANESE,
-        wxLANGUAGE_GEORGIAN,
-#endif
-        wxLANGUAGE_ENGLISH,
-        wxLANGUAGE_ENGLISH_US
-    };
+        wxLogWarning(_("This language is not supported by the system."));
 
-    if ( lng == -1 )
-    {
-        // note that it makes no sense to translate these strings, they are
-        // shown before we set the locale anyhow
-        const wxString langNames[] =
-        {
-            _T("System default"),
-            _T("French"),
-            _T("German"),
-            _T("Russian"),
-            _T("Bulgarian"),
-            _T("Czech"),
-#if wxUSE_UNICODE
-            _T("Japanese"),
-            _T("Georgian"),
-#endif
-            _T("English"),
-            _T("English (U.S.)")
-        };
-
-        // the arrays should be in sync
-        wxCOMPILE_TIME_ASSERT( WXSIZEOF(langNames) == WXSIZEOF(langIds),
-                               LangArraysMismatch );
-
-        lng = wxGetSingleChoiceIndex
-              (
-                _T("Please choose language:"),
-                _T("Language"), 
-                WXSIZEOF(langNames),
-                langNames
-              );
+        // continue nevertheless
     }
 
-    if ( lng != -1 )
-        m_locale.Init(langIds[lng]);
-
+    // 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(".");
 
     // 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
@@ -185,7 +251,7 @@ bool MyApp::OnInit()
 #ifdef __LINUX__
     {
         wxLogNull noLog;
-        m_locale.AddCatalog(_T("fileutils"));
+        m_locale.AddCatalog("fileutils");
     }
 #endif
 
@@ -197,13 +263,15 @@ bool MyApp::OnInit()
 
     // 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(INTERNAT_QUIT, _("E&xit"));
+    file_menu->Append(wxID_EXIT, _("E&xit"));
 
     wxMenu *test_menu = new wxMenu;
-    test_menu->Append(INTERNAT_OPEN, _("&Open bogus file"));
-    test_menu->Append(INTERNAT_TEST, _("&Play a game"));
+    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)"));
@@ -215,10 +283,10 @@ bool MyApp::OnInit()
     frame->SetMenuBar(menu_bar);
 
     // Show the frame
-    frame->Show(TRUE);
+    frame->Show(true);
     SetTopWindow(frame);
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -228,18 +296,22 @@ bool MyApp::OnInit()
 // main frame constructor
 MyFrame::MyFrame(wxLocale& locale)
        : wxFrame(NULL,
-                 -1,
-                 _("International wxWindows App"),
-                 wxPoint(50, 50),
-                 wxSize(350, 60)),
+                 wxID_ANY,
+                 _("International wxWidgets App")),
          m_locale(locale)
 {
-    // Empty
+    // this demonstrates RTL layout mirroring for Arabic locales
+    wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
+    sizer->Add(new wxStaticText(this, wxID_ANY, _("First")),
+                wxSizerFlags().Border());
+    sizer->Add(new wxStaticText(this, wxID_ANY, _("Second")),
+                wxSizerFlags().Border());
+    SetSizer(sizer);
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 {
-    Close(TRUE);
+    Close(true);
 }
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
@@ -249,18 +321,18 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
     wxString sysname = m_locale.GetSysName();
     wxString canname = m_locale.GetCanonicalName();
 
-    localeInfo.Printf(_("Language: %s\nSystem locale name: %s\nCanonical locale name: %s\n"),
+    localeInfo.Printf(_("Language: %s\nSystem locale name:\n%s\nCanonical locale name: %s\n"),
         locale.c_str(), sysname.c_str(), canname.c_str() );
 
-    wxMessageDialog
-    (
-        this,
-        wxString(_("I18n sample\n(c) 1998, 1999 Vadim Zeitlin and Julian Smart"))
-            + wxT("\n\n")
-            + localeInfo,
-        _("About Internat"), 
-        wxOK | wxICON_INFORMATION
-    ).ShowModal();
+    wxMessageDialog dlg(
+                        this,
+                        wxString(_("I18n sample\n(c) 1998, 1999 Vadim Zeitlin and Julian Smart"))
+                                 + "\n\n"
+                                 + localeInfo,
+                                 _("About Internat"),
+                        wxOK | wxICON_INFORMATION
+                       );
+    dlg.ShowModal();
 }
 
 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
@@ -303,71 +375,114 @@ void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
     {
         // 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&)
+void MyFrame::OnTestLocaleAvail(wxCommandEvent& WXUNUSED(event))
+{
+    static wxString s_locale;
+    wxString locale = wxGetTextFromUser
+                      (
+                        _("Enter the locale to test"),
+                        wxGetTextFromUserPromptStr,
+                        s_locale,
+                        this
+                      );
+    if ( locale.empty() )
+        return;
+
+    s_locale = locale;
+    const wxLanguageInfo * const info = wxLocale::FindLanguageInfo(s_locale);
+    if ( !info )
+    {
+        wxLogError(_("Locale \"%s\" is unknown."), s_locale.c_str());
+        return;
+    }
+
+    if ( wxLocale::IsAvailable(info->Language) )
+        wxLogMessage(_("Locale \"%s\" is available."), s_locale.c_str());
+    else
+        wxLogWarning(_("Locale \"%s\" is not available."), s_locale.c_str());
+}
+
+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");
-       wxMessageBox(s);
+        wxString v = d.GetValue();
+        wxString s(title);
+        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"));
+        _("Please enter range for plural forms of \"n files deleted\" phrase"),
+        title, "0-10");
+
     if (d.ShowModal() == wxID_OK)
     {
-       int first, last;
-       wxSscanf(d.GetValue(), _T("%d-%d"), &first, &last);
-       wxString s(title);
-       s << _T("\n");
-       for (int n = first; n <= last; ++n)
+        int first, last;
+        wxSscanf(d.GetValue(), "%d-%d", &first, &last);
+        wxString s(title);
+        s << "\n";
+        for (int n = first; n <= last; ++n)
         {
-                   s << n << _T(" ") << 
-                     wxGetTranslation("file deleted", "files deleted", n) << _T("\n");
-       }
+            s << n << " " <<
+                wxPLURAL("file deleted", "files deleted", 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"),
+        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);
 }