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