samples/dialup/nettest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        net.cpp
   3 // Purpose:     wxWidgets sample demonstrating network-related functions
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     07.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation
  22     #pragma interface
  23 #endif
  24
  25 // For compilers that support precompilation, includes "wx/wx.h".
  26 #include "wx/wxprec.h"
  27
  28 #ifdef __BORLANDC__
  29     #pragma hdrstop
  30 #endif
  31
  32 // for all others, include the necessary headers (this file is usually all you
  33 // need because it includes almost all "standard" wxWidgets headers
  34 #ifndef WX_PRECOMP
  35     #include "wx/wx.h"
  36 #endif
  37
  38 #if !wxUSE_DIALUP_MANAGER
  39 #error You must set wxUSE_DIALUP_MANAGER to 1 in setup.h!
  40 #endif
  41
  42 #include "wx/dialup.h"
  43
  44 // ----------------------------------------------------------------------------
  45 // private classes
  46 // ----------------------------------------------------------------------------
  47
  48 // Define a new application type, each program should derive a class from wxApp
  49 class MyApp : public wxApp
  50 {
  51 public:
  52     // override base class virtuals
  53     // ----------------------------
  54
  55     // this one is called on application startup and is a good place for the app
  56     // initialization (doing it here and not in the ctor allows to have an error
  57     // return: if OnInit() returns false, the application terminates)
  58     virtual bool OnInit();
  59
  60     // called before the application termination
  61     virtual int OnExit();
  62
  63     // event handlers
  64     void OnConnected(wxDialUpEvent& event);
  65
  66     // accessor to dial up manager
  67     wxDialUpManager *GetDialer() const { return m_dial; }
  68
  69 private:
  70     wxDialUpManager *m_dial;
  71
  72     DECLARE_EVENT_TABLE()
  73 };
  74
  75 // Define a new frame type: this is going to be our main frame
  76 class MyFrame : public wxFrame
  77 {
  78 public:
  79     // ctor(s)
  80     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  81
  82     // event handlers (these functions should _not_ be virtual)
  83     void OnQuit(wxCommandEvent& event);
  84     void OnAbout(wxCommandEvent& event);
  85     void OnHangUp(wxCommandEvent& event);
  86     void OnDial(wxCommandEvent& event);
  87     void OnEnumISPs(wxCommandEvent& event);
  88     void OnCheck(wxCommandEvent& event);
  89     void OnUpdateUI(wxUpdateUIEvent& event);
  90
  91     void OnIdle(wxIdleEvent& event);
  92
  93 private:
  94     // any class wishing to process wxWidgets events must use this macro
  95     DECLARE_EVENT_TABLE()
  96 };
  97
  98 // ----------------------------------------------------------------------------
  99 // constants
 100 // ----------------------------------------------------------------------------
 101
 102 // IDs for the controls and the menu commands
 103 enum
 104 {
 105     // menu items
 106     NetTest_Quit = 1,
 107     NetTest_About,
 108     NetTest_HangUp,
 109     NetTest_Dial,
 110     NetTest_EnumISP,
 111     NetTest_Check,
 112     NetTest_Max
 113 };
 114
 115 // ----------------------------------------------------------------------------
 116 // event tables and other macros for wxWidgets
 117 // ----------------------------------------------------------------------------
 118
 119 BEGIN_EVENT_TABLE(MyApp, wxApp)
 120     EVT_DIALUP_CONNECTED(MyApp::OnConnected)
 121     EVT_DIALUP_DISCONNECTED(MyApp::OnConnected)
 122 END_EVENT_TABLE()
 123
 124 // the event tables connect the wxWidgets events with the functions (event
 125 // handlers) which process them. It can be also done at run-time, but for the
 126 // simple menu events like this the static method is much simpler.
 127 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 128     EVT_MENU(NetTest_Quit,  MyFrame::OnQuit)
 129     EVT_MENU(NetTest_About, MyFrame::OnAbout)
 130     EVT_MENU(NetTest_HangUp, MyFrame::OnHangUp)
 131     EVT_MENU(NetTest_Dial, MyFrame::OnDial)
 132     EVT_MENU(NetTest_EnumISP, MyFrame::OnEnumISPs)
 133     EVT_MENU(NetTest_Check, MyFrame::OnCheck)
 134
 135     EVT_UPDATE_UI(NetTest_Dial, MyFrame::OnUpdateUI)
 136
 137     EVT_IDLE(MyFrame::OnIdle)
 138 END_EVENT_TABLE()
 139
 140 // Create a new application object: this macro will allow wxWidgets to create
 141 // the application object during program execution (it's better than using a
 142 // static object for many reasons) and also declares the accessor function
 143 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 144 // not wxApp)
 145 IMPLEMENT_APP(MyApp)
 146
 147 // ============================================================================
 148 // implementation
 149 // ============================================================================
 150
 151 // ----------------------------------------------------------------------------
 152 // the application class
 153 // ----------------------------------------------------------------------------
 154
 155 // `Main program' equivalent: the program execution "starts" here
 156 bool MyApp::OnInit()
 157 {
 158     // Create the main application window
 159     MyFrame *frame = new MyFrame(_T("Dial-up wxWidgets demo"),
 160                                  wxPoint(50, 50), wxSize(450, 340));
 161
 162     // Show it and tell the application that it's our main window
 163     frame->Show(true);
 164     SetTopWindow(frame);
 165
 166     // Init dial up manager
 167     m_dial = wxDialUpManager::Create();
 168
 169     if ( !m_dial->IsOk() )
 170     {
 171         wxLogError(wxT("The sample can't run on this system."));
 172
 173 #if wxUSE_LOG
 174         wxLog::GetActiveTarget()->Flush();
 175 #endif // wxUSE_LOG
 176
 177         // do it here, OnExit() won't be called
 178         delete m_dial;
 179
 180         return false;
 181     }
 182
 183 #if wxUSE_STATUSBAR
 184     frame->SetStatusText(GetDialer()->IsAlwaysOnline() ? _T("LAN") : _T("No LAN"), 2);
 185 #endif // wxUSE_STATUSBAR
 186
 187     return true;
 188 }
 189
 190 int MyApp::OnExit()
 191 {
 192     delete m_dial;
 193
 194     // exit code is 0, everything is ok
 195     return 0;
 196 }
 197
 198 void MyApp::OnConnected(wxDialUpEvent& event)
 199 {
 200     const wxChar *msg;
 201     if ( event.IsOwnEvent() )
 202     {
 203         msg = event.IsConnectedEvent() ? wxT("Successfully connected")
 204                                        : wxT("Dialing failed");
 205
 206         wxLogStatus(wxEmptyString);
 207     }
 208     else
 209     {
 210         msg = event.IsConnectedEvent() ? wxT("Just connected!")
 211                                        : wxT("Disconnected");
 212     }
 213
 214     wxLogMessage(msg);
 215 }
 216
 217 // ----------------------------------------------------------------------------
 218 // main frame
 219 // ----------------------------------------------------------------------------
 220
 221 // frame constructor
 222 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 223        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 224 {
 225     // create a menu bar
 226     wxMenu *menuFile = new wxMenu;
 227
 228     menuFile->Append(NetTest_Dial, _T("&Dial\tCtrl-D"), _T("Dial default ISP"));
 229     menuFile->Append(NetTest_HangUp, _T("&HangUp\tCtrl-H"), _T("Hang up modem"));
 230     menuFile->AppendSeparator();
 231     menuFile->Append(NetTest_EnumISP, _T("&Enumerate ISPs...\tCtrl-E"));
 232     menuFile->Append(NetTest_Check, _T("&Check connection status...\tCtrl-C"));
 233     menuFile->AppendSeparator();
 234     menuFile->Append(NetTest_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 235     menuFile->AppendSeparator();
 236     menuFile->Append(NetTest_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 237
 238     // now append the freshly created menu to the menu bar...
 239     wxMenuBar *menuBar = new wxMenuBar;
 240     menuBar->Append(menuFile, _T("&File"));
 241
 242     // ... and attach this menu bar to the frame
 243     SetMenuBar(menuBar);
 244
 245 #if wxUSE_STATUSBAR
 246     // create status bar and fill the LAN field
 247     CreateStatusBar(3);
 248     static const int widths[3] = { -1, 100, 60 };
 249     SetStatusWidths(3, widths);
 250 #endif // wxUSE_STATUSBAR
 251 }
 252
 253
 254 // event handlers
 255
 256 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 257 {
 258     // true is to force the frame to close
 259     Close(true);
 260 }
 261
 262 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 263 {
 264     wxString msg;
 265     msg.Printf( wxT("This is the network functions test sample.\n")
 266                 wxT("(c) 1999 Vadim Zeitlin") );
 267
 268     wxMessageBox(msg, wxT("About NetTest"), wxOK | wxICON_INFORMATION, this);
 269 }
 270
 271 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 272 {
 273     if ( wxGetApp().GetDialer()->HangUp() )
 274     {
 275         wxLogStatus(this, wxT("Connection was succesfully terminated."));
 276     }
 277     else
 278     {
 279         wxLogStatus(this, wxT("Failed to hang up."));
 280     }
 281 }
 282
 283 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 284 {
 285     wxLogStatus(this, wxT("Preparing to dial..."));
 286     wxYield();
 287     wxBeginBusyCursor();
 288
 289     if ( wxGetApp().GetDialer()->Dial() )
 290     {
 291         wxLogStatus(this, wxT("Dialing..."));
 292     }
 293     else
 294     {
 295         wxLogStatus(this, wxT("Dialing attempt failed."));
 296     }
 297
 298     wxEndBusyCursor();
 299 }
 300
 301 void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
 302 {
 303    if(wxGetApp().GetDialer()->IsOnline())
 304       wxLogMessage(wxT("Network is online."));
 305    else
 306       wxLogMessage(wxT("Network is offline."));
 307 }
 308
 309 void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))
 310 {
 311     wxArrayString names;
 312     size_t nCount = wxGetApp().GetDialer()->GetISPNames(names);
 313     if ( nCount == 0 )
 314     {
 315         wxLogWarning(wxT("No ISPs found."));
 316     }
 317     else
 318     {
 319         wxString msg = _T("Known ISPs:\n");
 320         for ( size_t n = 0; n < nCount; n++ )
 321         {
 322             msg << names[n] << '\n';
 323         }
 324
 325         wxLogMessage(msg);
 326     }
 327 }
 328
 329 void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
 330 {
 331     // disable this item while dialing
 332     event.Enable( !wxGetApp().GetDialer()->IsDialing() );
 333 }
 334
 335 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 336 {
 337     static int s_isOnline = -1; // not true nor false
 338
 339     bool isOnline = wxGetApp().GetDialer()->IsOnline();
 340     if ( s_isOnline != (int)isOnline )
 341     {
 342         s_isOnline = isOnline;
 343
 344 #if wxUSE_STATUSBAR
 345         SetStatusText(isOnline ? _T("Online") : _T("Offline"), 1);
 346 #endif // wxUSE_STATUSBAR
 347     }
 348 }