Minor changes, just trim trailing spaces in webview code.

[wxWidgets.git] / samples / internat / internat.cpp

diff --git a/samples/internat/internat.cpp b/samples/internat/internat.cpp
index e887968b5bb4681319605ce0175fff7e507b4079..d285652e7ceeab879b28efb059c31bc283e77df4 100644 (file)
--- a/samples/internat/internat.cpp
+++ b/samples/internat/internat.cpp
@@ -6,9 +6,13 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

+// NOTE: don't miss the "readme.txt" file which comes with this sample!
+
+
+

 // ============================================================================
 // declarations
 // ============================================================================
 // ============================================================================
 // declarations
 // ============================================================================


@@ -25,15 +29,16 @@
 #endif
 
 #ifndef WX_PRECOMP
 #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"
 #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"
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../sample.xpm"

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -44,10 +49,15 @@
 class MyApp: public wxApp
 {
 public:
 class MyApp: public wxApp
 {
 public:

+    MyApp() { m_lang = wxLANGUAGE_UNKNOWN; }
+
+    virtual void OnInitCmdLine(wxCmdLineParser& parser);
+    virtual bool OnCmdLineParsed(wxCmdLineParser& parser);

     virtual bool OnInit();
 
 protected:
     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
 };
 
 // Define a new frame type


@@ -57,10 +67,16 @@ public:
     MyFrame(wxLocale& m_locale);
 
 public:
     MyFrame(wxLocale& m_locale);
 
 public:

-    void OnQuit(wxCommandEvent& event);
+    void OnTestLocaleAvail(wxCommandEvent& event);

     void OnAbout(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);

+    void OnQuit(wxCommandEvent& event);
+

     void OnPlay(wxCommandEvent& event);
     void OnOpen(wxCommandEvent& event);
     void OnPlay(wxCommandEvent& event);
     void OnOpen(wxCommandEvent& event);

+    void OnTest1(wxCommandEvent& event);
+    void OnTest2(wxCommandEvent& event);
+    void OnTest3(wxCommandEvent& event);
+    void OnTestMsgBox(wxCommandEvent& event);

 
     DECLARE_EVENT_TABLE()
 
 
     DECLARE_EVENT_TABLE()
 


@@ -74,21 +90,82 @@ public:
 // ID for the menu commands
 enum
 {
 // ID for the menu commands
 enum
 {

-    INTERNAT_QUIT = 1,
-    INTERNAT_TEXT,
-    INTERNAT_TEST,
-    INTERNAT_OPEN
+    INTERNAT_TEST = wxID_HIGHEST + 1,
+    INTERNAT_PLAY,
+    INTERNAT_TEST_1,
+    INTERNAT_TEST_2,
+    INTERNAT_TEST_3,
+    INTERNAT_TEST_MSGBOX

 };
 
 };
 

+// 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)
 // ----------------------------------------------------------------------------
 
 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(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)
+    EVT_MENU(INTERNAT_TEST_MSGBOX, MyFrame::OnTestMsgBox)

 END_EVENT_TABLE()
 
 IMPLEMENT_APP(MyApp)
 END_EVENT_TABLE()
 
 IMPLEMENT_APP(MyApp)


@@ -101,69 +178,82 @@ IMPLEMENT_APP(MyApp)
 // 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()
 {
 // `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_DONT_LOAD_DEFAULT) )

     {
     {

-        wxLANGUAGE_DEFAULT,
-        wxLANGUAGE_FRENCH,
-        wxLANGUAGE_GERMAN,
-        wxLANGUAGE_RUSSIAN,
-#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"),
-#if wxUSE_UNICODE
-            _T("Japanese"),
-            _T("Georgian (no translation)"),
-#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
 
     // Initialize the catalogs we'll be using

-    m_locale.AddCatalog(wxT("internat"));
+    const wxLanguageInfo* pInfo = wxLocale::GetLanguageInfo(m_lang);
+    if (!m_locale.AddCatalog("internat"))
+    {
+        wxLogError(_("Couldn't find/load the 'internat' catalog for locale '%s'."),
+                   pInfo ? pInfo->GetLocaleName() : _("unknown"));
+    }
+
+    // Now try to add wxstd.mo so that loading "NOTEXIST.ING" file will produce
+    // a localized error message:
+    m_locale.AddCatalog("wxstd");
+        // 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
 
     // this catalog is installed in standard location on Linux systems and
     // shows that you may make use of the standard message catalogs as well


@@ -172,36 +262,17 @@ bool MyApp::OnInit()
 #ifdef __LINUX__
     {
         wxLogNull noLog;
 #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);
 
     }
 #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(wxID_ABOUT, _("&About..."));
-    file_menu->AppendSeparator();
-    file_menu->Append(INTERNAT_QUIT, _("E&xit"));
-
-    wxMenu *test_menu = new wxMenu;
-    test_menu->Append(INTERNAT_OPEN, _("&Open bogus file"));
-    test_menu->Append(INTERNAT_TEST, _("&Play a game"));
-
-    wxMenuBar *menu_bar = new wxMenuBar;
-    menu_bar->Append(file_menu, _("&File"));
-    menu_bar->Append(test_menu, _("&Test"));
-    frame->SetMenuBar(menu_bar);
-

     // Show the frame
     // Show the frame

-    frame->Show(TRUE);
-    SetTopWindow(frame);
+    frame->Show(true);

 
 

-    return TRUE;
+    return true;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -211,18 +282,53 @@ bool MyApp::OnInit()
 // main frame constructor
 MyFrame::MyFrame(wxLocale& locale)
        : wxFrame(NULL,
 // 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)
 {
          m_locale(locale)
 {

-    // Empty
+    SetIcon(wxICON(sample));
+
+    // 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"));
+    test_menu->Append(INTERNAT_TEST_MSGBOX, _("&Message box test"),
+                      _("Tests message box buttons labels translation"));
+
+    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")),
+                wxSizerFlags().Border());
+    sizer->Add(new wxStaticText(this, wxID_ANY, _("Second")),
+                wxSizerFlags().Border());
+    SetSizer(sizer);

 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 {
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 {

-    Close(TRUE);
+    Close(true);

 }
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 }
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))


@@ -233,17 +339,17 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
     wxString canname = m_locale.GetCanonicalName();
 
     localeInfo.Printf(_("Language: %s\nSystem locale name: %s\nCanonical locale name: %s\n"),
     wxString canname = m_locale.GetCanonicalName();
 
     localeInfo.Printf(_("Language: %s\nSystem locale name: %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();
+                      locale.c_str(), sysname.c_str(), canname.c_str() );
+
+    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))
 }
 
 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))


@@ -269,9 +375,9 @@ void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
     }
     else if ( num == 9 )
     {
     }
     else if ( num == 9 )
     {

-        // this message is not translated (not in catalog) because we used _T()
+        // this message is not translated (not in catalog) because we used wxT()

         // and not _() around it
         // and not _() around it

-        str = _T("You've found a bug in this program!");
+        str = wxT("You've found a bug in this program!");

     }
     else if ( num == 17 )
     {
     }
     else if ( num == 17 )
     {


@@ -286,18 +392,133 @@ 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
     {
         // 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 explicitly 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);
 }
 
     }
 
     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 (see MyApp::OnInit)
+    wxFile file("NOTEXIST.ING");
+}
+
+void MyFrame::OnTest1(wxCommandEvent& WXUNUSED(event))
+{
+    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"));
+
+    if (d.ShowModal() == wxID_OK)
+    {
+        wxString v = d.GetValue();
+        wxString s(title);
+        s << "\n" << v << " -> "
+            << wxGetTranslation(v.c_str()) << "\n";
+        wxMessageBox(s);
+    }
+}
+
+void MyFrame::OnTest2(wxCommandEvent& WXUNUSED(event))
+{
+    const wxString& title = _("Testing _N() (ngettext)");
+    wxTextEntryDialog d(this,
+        _("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(), "%d-%d", &first, &last);
+        wxString s(title);
+        s << "\n";
+        for (int n = first; n <= last; ++n)
+        {
+            s << n << " " <<
+                wxPLURAL("file deleted", "files deleted", n) <<
+                "\n";
+        }
+        wxMessageBox(s);
+    }
+}
+
+void MyFrame::OnTest3(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"));
+    const char* lines[] =
+    {
+        wxTRANSLATE("line 1"),
+        wxTRANSLATE("line 2"),
+        wxTRANSLATE("line 3"),
+    };
+
+    wxString s(_("Testing wxTRANSLATE() (gettext_noop)"));
+    s << "\n";
+    for (size_t i = 0; i < WXSIZEOF(lines); ++i)
+    {
+        s << lines[i] << " -> " << wxGetTranslation(lines[i]) << "\n";
+    }
+    wxMessageBox(s);

 }
 
 }
 

+void MyFrame::OnTestMsgBox(wxCommandEvent& WXUNUSED(event))
+{
+    if ( wxMessageBox
+         (
+            _("Are the labels of the buttons in this message box "
+              "translated into the current locale language?"),
+            _("wxWidgets i18n sample"),
+            wxYES_NO,
+            this
+         ) != wxYES )
+    {
+        wxMessageBox(_("Please report the details of your platform to us."));
+    }
+}