samples/dialup/nettest.cpp

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