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 "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" 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         wxLog::GetActiveTarget()->Flush();
 174
 175         // do it here, OnExit() won't be called
 176         delete m_dial;
 177
 178         return false;
 179     }
 180
 181 #if wxUSE_STATUSBAR
 182     frame->SetStatusText(GetDialer()->IsAlwaysOnline() ? _T("LAN") : _T("No LAN"), 2);
 183 #endif // wxUSE_STATUSBAR
 184
 185     return true;
 186 }
 187
 188 int MyApp::OnExit()
 189 {
 190     delete m_dial;
 191
 192     // exit code is 0, everything is ok
 193     return 0;
 194 }
 195
 196 void MyApp::OnConnected(wxDialUpEvent& event)
 197 {
 198     const wxChar *msg;
 199     if ( event.IsOwnEvent() )
 200     {
 201         msg = event.IsConnectedEvent() ? wxT("Successfully connected")
 202                                        : wxT("Dialing failed");
 203
 204         wxLogStatus(wxEmptyString);
 205     }
 206     else
 207     {
 208         msg = event.IsConnectedEvent() ? wxT("Just connected!")
 209                                        : wxT("Disconnected");
 210     }
 211
 212     wxLogMessage(msg);
 213 }
 214
 215 // ----------------------------------------------------------------------------
 216 // main frame
 217 // ----------------------------------------------------------------------------
 218
 219 // frame constructor
 220 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 221        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 222 {
 223     // create a menu bar
 224     wxMenu *menuFile = new wxMenu;
 225
 226     menuFile->Append(NetTest_Dial, _T("&Dial\tCtrl-D"), _T("Dial default ISP"));
 227     menuFile->Append(NetTest_HangUp, _T("&HangUp\tCtrl-H"), _T("Hang up modem"));
 228     menuFile->AppendSeparator();
 229     menuFile->Append(NetTest_EnumISP, _T("&Enumerate ISPs...\tCtrl-E"));
 230     menuFile->Append(NetTest_Check, _T("&Check connection status...\tCtrl-C"));
 231     menuFile->AppendSeparator();
 232     menuFile->Append(NetTest_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 233     menuFile->AppendSeparator();
 234     menuFile->Append(NetTest_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 235
 236     // now append the freshly created menu to the menu bar...
 237     wxMenuBar *menuBar = new wxMenuBar;
 238     menuBar->Append(menuFile, _T("&File"));
 239
 240     // ... and attach this menu bar to the frame
 241     SetMenuBar(menuBar);
 242
 243 #if wxUSE_STATUSBAR
 244     // create status bar and fill the LAN field
 245     CreateStatusBar(3);
 246     static const int widths[3] = { -1, 100, 60 };
 247     SetStatusWidths(3, widths);
 248 #endif // wxUSE_STATUSBAR
 249 }
 250
 251
 252 // event handlers
 253
 254 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 255 {
 256     // true is to force the frame to close
 257     Close(true);
 258 }
 259
 260 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 261 {
 262     wxString msg;
 263     msg.Printf( wxT("This is the network functions test sample.\n")
 264                 wxT("© 1999 Vadim Zeitlin") );
 265
 266     wxMessageBox(msg, wxT("About NetTest"), wxOK | wxICON_INFORMATION, this);
 267 }
 268
 269 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 270 {
 271     if ( wxGetApp().GetDialer()->HangUp() )
 272     {
 273         wxLogStatus(this, wxT("Connection was succesfully terminated."));
 274     }
 275     else
 276     {
 277         wxLogStatus(this, wxT("Failed to hang up."));
 278     }
 279 }
 280
 281 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 282 {
 283     wxLogStatus(this, wxT("Preparing to dial..."));
 284     wxYield();
 285     wxBeginBusyCursor();
 286
 287     if ( wxGetApp().GetDialer()->Dial() )
 288     {
 289         wxLogStatus(this, wxT("Dialing..."));
 290     }
 291     else
 292     {
 293         wxLogStatus(this, wxT("Dialing attempt failed."));
 294     }
 295
 296     wxEndBusyCursor();
 297 }
 298
 299 void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
 300 {
 301    if(wxGetApp().GetDialer()->IsOnline())
 302       wxLogMessage(wxT("Network is online."));
 303    else
 304       wxLogMessage(wxT("Network is offline."));
 305 }
 306
 307 void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))
 308 {
 309     wxArrayString names;
 310     size_t nCount = wxGetApp().GetDialer()->GetISPNames(names);
 311     if ( nCount == 0 )
 312     {
 313         wxLogWarning(wxT("No ISPs found."));
 314     }
 315     else
 316     {
 317         wxString msg = _T("Known ISPs:\n");
 318         for ( size_t n = 0; n < nCount; n++ )
 319         {
 320             msg << names[n] << '\n';
 321         }
 322
 323         wxLogMessage(msg);
 324     }
 325 }
 326
 327 void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
 328 {
 329     // disable this item while dialing
 330     event.Enable( !wxGetApp().GetDialer()->IsDialing() );
 331 }
 332
 333 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 334 {
 335     static int s_isOnline = -1; // not true nor false
 336
 337     bool isOnline = wxGetApp().GetDialer()->IsOnline();
 338     if ( s_isOnline != (int)isOnline )
 339     {
 340         s_isOnline = isOnline;
 341
 342 #if wxUSE_STATUSBAR
 343         SetStatusText(isOnline ? _T("Online") : _T("Offline"), 1);
 344 #endif // wxUSE_STATUSBAR
 345     }
 346 }