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__)
  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 char *title, int x, int y, int w, int h);
  51
  52 public:
  53   void OnQuit(wxCommandEvent& event);
  54   void OnAbout(wxCommandEvent& event);
  55   void OnPlay(wxCommandEvent& event);
  56   void OnOpen(wxCommandEvent& event);
  57
  58   DECLARE_EVENT_TABLE()
  59 };
  60
  61 // ID for the menu commands
  62 enum
  63 {
  64   MINIMAL_QUIT = 1,
  65   MINIMAL_TEXT,
  66   MINIMAL_ABOUT,
  67   MINIMAL_TEST,
  68   MINIMAL_OPEN
  69 };
  70
  71 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  72   EVT_MENU(MINIMAL_QUIT, MyFrame::OnQuit)
  73   EVT_MENU(MINIMAL_ABOUT, MyFrame::OnAbout)
  74   EVT_MENU(MINIMAL_TEST, MyFrame::OnPlay)
  75   EVT_MENU(MINIMAL_OPEN, MyFrame::OnOpen)
  76 END_EVENT_TABLE()
  77
  78 IMPLEMENT_APP(MyApp)
  79
  80
  81 // `Main program' equivalent, creating windows and returning main app frame
  82 bool MyApp::OnInit()
  83 {
  84   // set the language to use
  85   const char *language = NULL;
  86   const char *langid = NULL;
  87   switch ( argc )
  88   {
  89       default:
  90           // ignore the other args, fall through
  91
  92       case 3:
  93           language = argv[1];
  94           langid = argv[2];
  95           break;
  96
  97       case 2:
  98           language = argv[1];
  99           break;
 100
 101       case 1:
 102           language = "french";
 103           langid = "fr";
 104   };
 105
 106   // there are very few systems right now which support locales other than "C"
 107   m_locale.Init(language, langid, "C");
 108                // note that under GTK starting from version 1.2.8 if
 109                // you set locale to "C" and then use ASCII characters above
 110                // #128 in GUI elements, they will be truncated (it seems GTK
 111                // replaces them by \0). You should use either "" (checks
 112                // the value of LC_ALL etc. environment variables) or the form
 113                // accepted by glibc, e.g cs_CZ.
 114
 115   // Initialize the catalogs we'll be using
 116   /* not needed any more, done in wxLocale ctor
 117   m_locale.AddCatalog("wxstd");      // 1) for library messages
 118   */
 119   m_locale.AddCatalog("internat");      // 2) our private one
 120   /* this catalog is installed in standard location on Linux systems,
 121      it might not be installed on yours - just ignore the errrors
 122      or comment out this line then */
 123 #ifdef __LINUX__
 124   m_locale.AddCatalog("fileutils");  // 3) and another just for testing
 125 #endif
 126
 127   // Create the main frame window
 128   MyFrame *frame = new MyFrame((wxFrame *) NULL, _("International wxWindows App"),
 129                                50, 50, 350, 60);
 130
 131   // Give it an icon
 132   frame->SetIcon(wxICON(mondrian));
 133
 134   // Make a menubar
 135   wxMenu *file_menu = new wxMenu;
 136   file_menu->Append(MINIMAL_ABOUT, _("&About..."));
 137   file_menu->AppendSeparator();
 138   file_menu->Append(MINIMAL_QUIT, _("E&xit"));
 139
 140   wxMenu *test_menu = new wxMenu;
 141   test_menu->Append(MINIMAL_OPEN, _("&Open bogus file"));
 142   test_menu->Append(MINIMAL_TEST, _("&Play a game"));
 143
 144   wxMenuBar *menu_bar = new wxMenuBar;
 145   menu_bar->Append(file_menu, _("&File"));
 146   menu_bar->Append(test_menu, _("&Test"));
 147   frame->SetMenuBar(menu_bar);
 148
 149   // Show the frame
 150   frame->Show(TRUE);
 151   SetTopWindow(frame);
 152
 153   return TRUE;
 154 }
 155
 156 // My frame constructor
 157 MyFrame::MyFrame(wxFrame *frame, const char *title, int x, int y, int w, int h)
 158        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 159 {
 160 }
 161
 162 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 163 {
 164   Close(TRUE);
 165 }
 166
 167 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 168 {
 169   wxMessageDialog(this, _("I18n sample\n"
 170                           "© 1998, 1999 Vadim Zeitlin and Julian Smart"),
 171                   _("About Internat"), wxOK | wxICON_INFORMATION).ShowModal();
 172 }
 173
 174 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 175 {
 176   wxString str = wxGetTextFromUser(_("Enter your number:"),
 177                                    _("Try to guess my number!"),
 178                                   "", this);
 179   if ( str.IsEmpty() )
 180       return;
 181
 182   int num;
 183   sscanf(str, "%d", &num);
 184   if ( num == 0 )
 185     str = _("You've probably entered an invalid number.");
 186   else if ( num == 9 )  // this message is not translated (not in catalog)
 187     str = "You've found a bug in this program!";
 188   else if ( num != 17 ) // a more implicit way to write _()
 189     str = wxGetTranslation("Bad luck! try again...");
 190   else {
 191     str.Empty();
 192     // string must be split in two -- otherwise the translation won't be found
 193     str << _("Congratulations! you've won. Here is the magic phrase:")
 194         << _("cannot create fifo `%s'");
 195   }
 196
 197   wxMessageBox(str, _("Result"), wxOK | wxICON_INFORMATION);
 198 }
 199
 200 void MyFrame::OnOpen(wxCommandEvent&)
 201 {
 202   // open a bogus file -- the error message should be also translated if you've
 203   // got wxstd.mo somewhere in the search path
 204   wxFile file("NOTEXIST.ING");
 205 }