samples/internat/internat.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        internat.cpp
   3 // Purpose:     Demonstrates internationalisation (i18n) support
   4 // Author:      Vadim Zeitlin/Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/intl.h"
  29 #include "wx/file.h"
  30 #include "wx/log.h"
  31
  32 #if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__)
  33 #include "mondrian.xpm"
  34 #endif
  35
  36 // Define a new application type
  37 class MyApp: public wxApp
  38 {
  39 public:
  40   virtual bool OnInit();
  41
  42 protected:
  43   wxLocale m_locale; // locale we'll be using
  44 };
  45
  46 // Define a new frame type
  47 class MyFrame: public wxFrame
  48 {
  49 public:
  50   MyFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h,
  51           wxLocale& m_locale);
  52
  53 public:
  54   void OnQuit(wxCommandEvent& event);
  55   void OnAbout(wxCommandEvent& event);
  56   void OnPlay(wxCommandEvent& event);
  57   void OnOpen(wxCommandEvent& event);
  58
  59   DECLARE_EVENT_TABLE()
  60
  61   wxLocale& m_locale;
  62 };
  63
  64 // ID for the menu commands
  65 enum
  66 {
  67   MINIMAL_QUIT = 1,
  68   MINIMAL_TEXT,
  69   MINIMAL_ABOUT,
  70   MINIMAL_TEST,
  71   MINIMAL_OPEN
  72 };
  73
  74 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  75   EVT_MENU(MINIMAL_QUIT, MyFrame::OnQuit)
  76   EVT_MENU(MINIMAL_ABOUT, MyFrame::OnAbout)
  77   EVT_MENU(MINIMAL_TEST, MyFrame::OnPlay)
  78   EVT_MENU(MINIMAL_OPEN, MyFrame::OnOpen)
  79 END_EVENT_TABLE()
  80
  81 IMPLEMENT_APP(MyApp)
  82
  83
  84 // `Main program' equivalent, creating windows and returning main app frame
  85 bool MyApp::OnInit()
  86 {
  87   const wxString langs[] =
  88   {
  89       _T("(System default)"),
  90       _T("French"),
  91       _T("German"),
  92       _T("Russian"),
  93       _T("English"),
  94       _T("English (U.S.)")
  95   };
  96
  97   SetExitOnFrameDelete(FALSE);
  98   int lng = wxGetSingleChoiceIndex(_T("Please choose language:"), _T("Language"),
  99                                    WXSIZEOF(langs), langs);
 100   SetExitOnFrameDelete(TRUE);
 101
 102   switch (lng)
 103   {
 104       case 0 : m_locale.Init(wxLANGUAGE_DEFAULT); break;
 105       case 1 : m_locale.Init(wxLANGUAGE_FRENCH); break;
 106       case 2 : m_locale.Init(wxLANGUAGE_GERMAN); break;
 107       case 3 : m_locale.Init(wxLANGUAGE_RUSSIAN); break;
 108       case 4 : m_locale.Init(wxLANGUAGE_ENGLISH); break;
 109       case -1:
 110       case 5 : m_locale.Init(wxLANGUAGE_ENGLISH_US); break;
 111   }
 112
 113   // Initialize the catalogs we'll be using
 114   /* not needed any more, done in wxLocale ctor
 115   m_locale.AddCatalog("wxstd");      // 1) for library messages
 116   */
 117   m_locale.AddCatalog(wxT("internat"));      // 2) our private one
 118   /* this catalog is installed in standard location on Linux systems,
 119      it might not be installed on yours - just ignore the errrors
 120      or comment out this line then */
 121 #ifdef __LINUX__
 122   {
 123     wxLogNull noLog;
 124     m_locale.AddCatalog("fileutils");  // 3) and another just for testing
 125   }
 126 #endif
 127
 128   // Create the main frame window
 129   MyFrame *frame = new MyFrame((wxFrame *) NULL, _("International wxWindows App"),
 130                                50, 50, 350, 60, m_locale);
 131
 132   // Give it an icon
 133   frame->SetIcon(wxICON(mondrian));
 134
 135   // Make a menubar
 136   wxMenu *file_menu = new wxMenu;
 137   file_menu->Append(MINIMAL_ABOUT, _("&About..."));
 138   file_menu->AppendSeparator();
 139   file_menu->Append(MINIMAL_QUIT, _("E&xit"));
 140
 141   wxMenu *test_menu = new wxMenu;
 142   test_menu->Append(MINIMAL_OPEN, _("&Open bogus file"));
 143   test_menu->Append(MINIMAL_TEST, _("&Play a game"));
 144
 145   wxMenuBar *menu_bar = new wxMenuBar;
 146   menu_bar->Append(file_menu, _("&File"));
 147   menu_bar->Append(test_menu, _("&Test"));
 148   frame->SetMenuBar(menu_bar);
 149
 150   // Show the frame
 151   frame->Show(TRUE);
 152   SetTopWindow(frame);
 153
 154   return TRUE;
 155 }
 156
 157 // My frame constructor
 158 MyFrame::MyFrame(wxFrame *frame, const wxChar *title, int x, int y,
 159                  int w, int h, wxLocale& l)
 160        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)),
 161          m_locale(l)
 162 {
 163 }
 164
 165 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 166 {
 167   Close(TRUE);
 168 }
 169
 170 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 171 {
 172   wxString localeInfo;
 173   localeInfo.Printf(_("Language: %s\nSystem locale name: %s\nCanonical locale name: %s\n"),
 174                       m_locale.GetLocale(),
 175                       m_locale.GetSysName().c_str(),
 176                       m_locale.GetCanonicalName().c_str());
 177
 178   wxMessageDialog(this, wxString(_("I18n sample\n(c) 1998, 1999 Vadim Zeitlin and Julian Smart"))
 179                           + wxT("\n\n") + localeInfo,
 180                   _("About Internat"), wxOK | wxICON_INFORMATION).ShowModal();
 181 }
 182
 183 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 184 {
 185   wxString str = wxGetTextFromUser(_("Enter your number:"),
 186                                    _("Try to guess my number!"),
 187                                   "", this);
 188   if ( str.IsEmpty() )
 189       return;
 190
 191   int num;
 192   wxSscanf(str, wxT("%d"), &num);
 193   if ( num == 0 )
 194     str = _("You've probably entered an invalid number.");
 195   else if ( num == 9 )  // this message is not translated (not in catalog)
 196     str = "You've found a bug in this program!";
 197   else if ( num != 17 ) // a more implicit way to write _()
 198     str = wxGetTranslation(wxT("Bad luck! try again..."));
 199   else {
 200     str.Empty();
 201     // string must be split in two -- otherwise the translation won't be found
 202     str << _("Congratulations! you've won. Here is the magic phrase:")
 203         << _("cannot create fifo `%s'");
 204   }
 205
 206   wxMessageBox(str, _("Result"), wxOK | wxICON_INFORMATION);
 207 }
 208
 209 void MyFrame::OnOpen(wxCommandEvent&)
 210 {
 211   // open a bogus file -- the error message should be also translated if you've
 212   // got wxstd.mo somewhere in the search path
 213   wxFile file(wxT("NOTEXIST.ING"));
 214 }