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           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   if (argc == 2 && wxString(argv[1]) == "french")
  88       m_locale.Init(wxLANGUAGE_FRENCH);
  89   else if (argc == 2 && wxString(argv[1]) == "german")
  90       m_locale.Init(wxLANGUAGE_GERMAN);
  91   else
  92       m_locale.Init(wxLANGUAGE_DEFAULT);
  93
  94
  95   // Initialize the catalogs we'll be using
  96   /* not needed any more, done in wxLocale ctor
  97   m_locale.AddCatalog("wxstd");      // 1) for library messages
  98   */
  99   m_locale.AddCatalog("internat");      // 2) our private one
 100   /* this catalog is installed in standard location on Linux systems,
 101      it might not be installed on yours - just ignore the errrors
 102      or comment out this line then */
 103 #ifdef __LINUX__
 104   //m_locale.AddCatalog("fileutils");  // 3) and another just for testing
 105 #endif
 106
 107   // Create the main frame window
 108   MyFrame *frame = new MyFrame((wxFrame *) NULL, _("International wxWindows App"),
 109                                50, 50, 350, 60, m_locale);
 110
 111   // Give it an icon
 112   frame->SetIcon(wxICON(mondrian));
 113
 114   // Make a menubar
 115   wxMenu *file_menu = new wxMenu;
 116   file_menu->Append(MINIMAL_ABOUT, _("&About..."));
 117   file_menu->AppendSeparator();
 118   file_menu->Append(MINIMAL_QUIT, _("E&xit"));
 119
 120   wxMenu *test_menu = new wxMenu;
 121   test_menu->Append(MINIMAL_OPEN, _("&Open bogus file"));
 122   test_menu->Append(MINIMAL_TEST, _("&Play a game"));
 123
 124   wxMenuBar *menu_bar = new wxMenuBar;
 125   menu_bar->Append(file_menu, _("&File"));
 126   menu_bar->Append(test_menu, _("&Test"));
 127   frame->SetMenuBar(menu_bar);
 128
 129   // Show the frame
 130   frame->Show(TRUE);
 131   SetTopWindow(frame);
 132
 133   return TRUE;
 134 }
 135
 136 // My frame constructor
 137 MyFrame::MyFrame(wxFrame *frame, const char *title, int x, int y, int w, int h,
 138                  wxLocale& l)
 139        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)),
 140          m_locale(l)
 141 {
 142 }
 143
 144 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 145 {
 146   Close(TRUE);
 147 }
 148
 149 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 150 {
 151   wxString localeInfo;
 152   localeInfo.Printf(_("Language: %s\n"
 153                       "System locale name: %s\n"
 154                       "Canonical locale name: %s\n"),
 155                       m_locale.GetLocale(),
 156                       m_locale.GetSysName().c_str(),
 157                       m_locale.GetCanonicalName().c_str());
 158
 159   wxMessageDialog(this, wxString(_("I18n sample\n"
 160                           "(c) 1998, 1999 Vadim Zeitlin and Julian Smart"))
 161                           + wxT("\n\n") + localeInfo,
 162                   _("About Internat"), wxOK | wxICON_INFORMATION).ShowModal();
 163 }
 164
 165 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 166 {
 167   wxString str = wxGetTextFromUser(_("Enter your number:"),
 168                                    _("Try to guess my number!"),
 169                                   "", this);
 170   if ( str.IsEmpty() )
 171       return;
 172
 173   int num;
 174   sscanf(str, "%d", &num);
 175   if ( num == 0 )
 176     str = _("You've probably entered an invalid number.");
 177   else if ( num == 9 )  // this message is not translated (not in catalog)
 178     str = "You've found a bug in this program!";
 179   else if ( num != 17 ) // a more implicit way to write _()
 180     str = wxGetTranslation("Bad luck! try again...");
 181   else {
 182     str.Empty();
 183     // string must be split in two -- otherwise the translation won't be found
 184     str << _("Congratulations! you've won. Here is the magic phrase:")
 185         << _("cannot create fifo `%s'");
 186   }
 187
 188   wxMessageBox(str, _("Result"), wxOK | wxICON_INFORMATION);
 189 }
 190
 191 void MyFrame::OnOpen(wxCommandEvent&)
 192 {
 193   // open a bogus file -- the error message should be also translated if you've
 194   // got wxstd.mo somewhere in the search path
 195   wxFile file("NOTEXIST.ING");
 196 }