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   wxString langs[] = {"(System default)","French","German"};
  88   SetExitOnFrameDelete(FALSE);
  89   int lng = wxGetSingleChoiceIndex("Please choose language:", "Language",
  90                                    3, langs);
  91   SetExitOnFrameDelete(TRUE);
  92
  93   switch (lng)
  94   {
  95       case 0 : m_locale.Init(wxLANGUAGE_DEFAULT); break;
  96       case 1 : m_locale.Init(wxLANGUAGE_FRENCH); break;
  97       case 2 : m_locale.Init(wxLANGUAGE_GERMAN); break;
  98       default:
  99           return FALSE;
 100   }
 101
 102
 103   // Initialize the catalogs we'll be using
 104   /* not needed any more, done in wxLocale ctor
 105   m_locale.AddCatalog("wxstd");      // 1) for library messages
 106   */
 107   m_locale.AddCatalog("internat");      // 2) our private one
 108   /* this catalog is installed in standard location on Linux systems,
 109      it might not be installed on yours - just ignore the errrors
 110      or comment out this line then */
 111 #ifdef __LINUX__
 112   //m_locale.AddCatalog("fileutils");  // 3) and another just for testing
 113 #endif
 114
 115   // Create the main frame window
 116   MyFrame *frame = new MyFrame((wxFrame *) NULL, _("International wxWindows App"),
 117                                50, 50, 350, 60, m_locale);
 118
 119   // Give it an icon
 120   frame->SetIcon(wxICON(mondrian));
 121
 122   // Make a menubar
 123   wxMenu *file_menu = new wxMenu;
 124   file_menu->Append(MINIMAL_ABOUT, _("&About..."));
 125   file_menu->AppendSeparator();
 126   file_menu->Append(MINIMAL_QUIT, _("E&xit"));
 127
 128   wxMenu *test_menu = new wxMenu;
 129   test_menu->Append(MINIMAL_OPEN, _("&Open bogus file"));
 130   test_menu->Append(MINIMAL_TEST, _("&Play a game"));
 131
 132   wxMenuBar *menu_bar = new wxMenuBar;
 133   menu_bar->Append(file_menu, _("&File"));
 134   menu_bar->Append(test_menu, _("&Test"));
 135   frame->SetMenuBar(menu_bar);
 136
 137   // Show the frame
 138   frame->Show(TRUE);
 139   SetTopWindow(frame);
 140
 141   return TRUE;
 142 }
 143
 144 // My frame constructor
 145 MyFrame::MyFrame(wxFrame *frame, const char *title, int x, int y, int w, int h,
 146                  wxLocale& l)
 147        : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)),
 148          m_locale(l)
 149 {
 150 }
 151
 152 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 153 {
 154   Close(TRUE);
 155 }
 156
 157 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 158 {
 159   wxString localeInfo;
 160   localeInfo.Printf(_("Language: %s\n"
 161                       "System locale name: %s\n"
 162                       "Canonical locale name: %s\n"),
 163                       m_locale.GetLocale(),
 164                       m_locale.GetSysName().c_str(),
 165                       m_locale.GetCanonicalName().c_str());
 166
 167   wxMessageDialog(this, wxString(_("I18n sample\n"
 168                           "(c) 1998, 1999 Vadim Zeitlin and Julian Smart"))
 169                           + wxT("\n\n") + localeInfo,
 170                   _("About Internat"), wxOK | wxICON_INFORMATION).ShowModal();
 171 }
 172
 173 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 174 {
 175   wxString str = wxGetTextFromUser(_("Enter your number:"),
 176                                    _("Try to guess my number!"),
 177                                   "", this);
 178   if ( str.IsEmpty() )
 179       return;
 180
 181   int num;
 182   sscanf(str, "%d", &num);
 183   if ( num == 0 )
 184     str = _("You've probably entered an invalid number.");
 185   else if ( num == 9 )  // this message is not translated (not in catalog)
 186     str = "You've found a bug in this program!";
 187   else if ( num != 17 ) // a more implicit way to write _()
 188     str = wxGetTranslation("Bad luck! try again...");
 189   else {
 190     str.Empty();
 191     // string must be split in two -- otherwise the translation won't be found
 192     str << _("Congratulations! you've won. Here is the magic phrase:")
 193         << _("cannot create fifo `%s'");
 194   }
 195
 196   wxMessageBox(str, _("Result"), wxOK | wxICON_INFORMATION);
 197 }
 198
 199 void MyFrame::OnOpen(wxCommandEvent&)
 200 {
 201   // open a bogus file -- the error message should be also translated if you've
 202   // got wxstd.mo somewhere in the search path
 203   wxFile file("NOTEXIST.ING");
 204 }