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   bool OnClose() { return TRUE; }
  58
  59   DECLARE_EVENT_TABLE()
  60 };
  61
  62 // ID for the menu commands
  63 enum
  64 {
  65   MINIMAL_QUIT,
  66   MINIMAL_TEXT,
  67   MINIMAL_ABOUT,
  68   MINIMAL_TEST,
  69   MINIMAL_OPEN
  70 };
  71
  72 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  73   EVT_MENU(MINIMAL_QUIT, MyFrame::OnQuit)
  74   EVT_MENU(MINIMAL_ABOUT, MyFrame::OnAbout)
  75   EVT_MENU(MINIMAL_TEST, MyFrame::OnPlay)
  76   EVT_MENU(MINIMAL_OPEN, MyFrame::OnOpen)
  77 END_EVENT_TABLE()
  78
  79 IMPLEMENT_APP(MyApp)
  80
  81
  82 // `Main program' equivalent, creating windows and returning main app frame
  83 bool MyApp::OnInit()
  84 {
  85   // set the language to use
  86   const char *language = NULL;
  87   const char *langid = NULL;
  88   switch ( argc )
  89   {
  90       default:
  91           // ignore the other args, fall through
  92
  93       case 3:
  94           language = argv[1];
  95           langid = argv[2];
  96           break;
  97
  98       case 2:
  99           language = argv[1];
 100           break;
 101
 102       case 1:
 103           language = "french";
 104           langid = "fr";
 105   };
 106
 107   // there are very few systems right now which support locales other than "C"
 108   m_locale.Init(language, langid, "C");
 109
 110   // Initialize the catalogs we'll be using
 111   /* not needed any more, done in wxLocale ctor
 112   m_locale.AddCatalog("wxstd");      // 1) for library messages
 113   */
 114   m_locale.AddCatalog("internat");      // 2) our private one
 115   /* this catalog is installed in standard location on Linux systems,
 116      it might not be installed on yours - just ignore the errrors
 117      or comment out this line then */
 118   m_locale.AddCatalog("fileutils");  // 3) and another just for testing
 119
 120   // Create the main frame window
 121   MyFrame *frame = new MyFrame((wxFrame *) NULL, _("International wxWindows App"),
 122                                50, 50, 250, 40);
 123
 124   // Give it an icon
 125   frame->SetIcon(wxICON(mondrian));
 126
 127   // Make a menubar
 128   wxMenu *file_menu = new wxMenu;
 129   file_menu->Append(MINIMAL_ABOUT, _("&About..."));
 130   file_menu->AppendSeparator();
 131   file_menu->Append(MINIMAL_QUIT, _("E&xit"));
 132
 133   wxMenu *test_menu = new wxMenu;
 134   test_menu->Append(MINIMAL_OPEN, _("&Open bogus file"));
 135   test_menu->Append(MINIMAL_TEST, _("&Play a game"));
 136
 137   wxMenuBar *menu_bar = new wxMenuBar;
 138   menu_bar->Append(file_menu, _("&File"));
 139   menu_bar->Append(test_menu, _("&Test"));
 140   frame->SetMenuBar(menu_bar);
 141
 142   // Show the frame
 143   frame->Show(TRUE);
 144   SetTopWindow(frame);
 145
 146   return TRUE;
 147 }
 148
 149 // My frame constructor
 150 MyFrame::MyFrame(wxFrame *frame, const char *title, int x, int y, int w, int h)
 151        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 152 {
 153 }
 154
 155 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 156 {
 157   Close(TRUE);
 158 }
 159
 160 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 161 {
 162   wxMessageDialog(this, _("I18n sample\n"
 163                           "© 1998, 1999 Vadim Zeitlin and Julian Smart"),
 164                   _("About Internat"), wxOK | wxICON_INFORMATION).ShowModal();
 165 }
 166
 167 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 168 {
 169   wxString str = wxGetTextFromUser(_("Enter your number:"),
 170                                    _("Try to guess my number!"),
 171                                   "", this);
 172   if ( str.IsEmpty() )
 173       return;
 174
 175   int num;
 176   sscanf(str, "%d", &num);
 177   if ( num == 0 )
 178     str = _("You've probably entered an invalid number.");
 179   else if ( num == 9 )  // this message is not translated (not in catalog)
 180     str = "You've found a bug in this program!";
 181   else if ( num != 17 ) // a more implicit way to write _()
 182     str = wxGetTranslation("Bad luck! try again...");
 183   else {
 184     str.Empty();
 185     // string must be split in two -- otherwise the translation won't be found
 186     str << _("Congratulations! you've won. Here is the magic phrase:")
 187         << _("cannot create fifo `%s'");
 188   }
 189
 190   wxMessageBox(str, _("Result"), wxOK | wxICON_INFORMATION);
 191 }
 192
 193 void MyFrame::OnOpen(wxCommandEvent&)
 194 {
 195   // open a bogus file -- the error message should be also translated if you've
 196   // got wxstd.mo somewhere in the search path
 197   wxFile file("NOTEXIST.ING");
 198 }