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 #ifndef wxHAS_IMAGES_IN_RESOURCES
  40     #include "../sample.xpm"
  41 #endif
  42
  43 // ----------------------------------------------------------------------------
  44 // private classes
  45 // ----------------------------------------------------------------------------
  46
  47 // Define a new application type, each program should derive a class from wxApp
  48 class MyApp : public wxApp
  49 {
  50 public:
  51     // override base class virtuals
  52     // ----------------------------
  53
  54     // this one is called on application startup and is a good place for the app
  55     // initialization (doing it here and not in the ctor allows to have an error
  56     // return: if OnInit() returns false, the application terminates)
  57     virtual bool OnInit();
  58
  59     // called before the application termination
  60     virtual int OnExit();
  61
  62     // event handlers
  63     void OnConnected(wxDialUpEvent& event);
  64
  65     // accessor to dial up manager
  66     wxDialUpManager *GetDialer() const { return m_dial; }
  67
  68 private:
  69     wxDialUpManager *m_dial;
  70
  71     DECLARE_EVENT_TABLE()
  72 };
  73
  74 // Define a new frame type: this is going to be our main frame
  75 class MyFrame : public wxFrame
  76 {
  77 public:
  78     // ctor(s)
  79     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  80
  81     // event handlers (these functions should _not_ be virtual)
  82     void OnQuit(wxCommandEvent& event);
  83     void OnAbout(wxCommandEvent& event);
  84     void OnHangUp(wxCommandEvent& event);
  85     void OnDial(wxCommandEvent& event);
  86     void OnEnumISPs(wxCommandEvent& event);
  87     void OnCheck(wxCommandEvent& event);
  88     void OnUpdateUI(wxUpdateUIEvent& event);
  89
  90     void OnIdle(wxIdleEvent& event);
  91
  92 private:
  93     // any class wishing to process wxWidgets events must use this macro
  94     DECLARE_EVENT_TABLE()
  95 };
  96
  97 // ----------------------------------------------------------------------------
  98 // constants
  99 // ----------------------------------------------------------------------------
 100
 101 // IDs for the controls and the menu commands
 102 enum
 103 {
 104     // menu items
 105     NetTest_Quit = 1,
 106     NetTest_About,
 107     NetTest_HangUp,
 108     NetTest_Dial,
 109     NetTest_EnumISP,
 110     NetTest_Check,
 111     NetTest_Max
 112 };
 113
 114 // ----------------------------------------------------------------------------
 115 // event tables and other macros for wxWidgets
 116 // ----------------------------------------------------------------------------
 117
 118 BEGIN_EVENT_TABLE(MyApp, wxApp)
 119     EVT_DIALUP_CONNECTED(MyApp::OnConnected)
 120     EVT_DIALUP_DISCONNECTED(MyApp::OnConnected)
 121 END_EVENT_TABLE()
 122
 123 // the event tables connect the wxWidgets events with the functions (event
 124 // handlers) which process them. It can be also done at run-time, but for the
 125 // simple menu events like this the static method is much simpler.
 126 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 127     EVT_MENU(NetTest_Quit,  MyFrame::OnQuit)
 128     EVT_MENU(NetTest_About, MyFrame::OnAbout)
 129     EVT_MENU(NetTest_HangUp, MyFrame::OnHangUp)
 130     EVT_MENU(NetTest_Dial, MyFrame::OnDial)
 131     EVT_MENU(NetTest_EnumISP, MyFrame::OnEnumISPs)
 132     EVT_MENU(NetTest_Check, MyFrame::OnCheck)
 133
 134     EVT_UPDATE_UI(NetTest_Dial, MyFrame::OnUpdateUI)
 135
 136     EVT_IDLE(MyFrame::OnIdle)
 137 END_EVENT_TABLE()
 138
 139 // Create a new application object: this macro will allow wxWidgets to create
 140 // the application object during program execution (it's better than using a
 141 // static object for many reasons) and also declares the accessor function
 142 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 143 // not wxApp)
 144 IMPLEMENT_APP(MyApp)
 145
 146 // ============================================================================
 147 // implementation
 148 // ============================================================================
 149
 150 // ----------------------------------------------------------------------------
 151 // the application class
 152 // ----------------------------------------------------------------------------
 153
 154 // `Main program' equivalent: the program execution "starts" here
 155 bool MyApp::OnInit()
 156 {
 157     if ( !wxApp::OnInit() )
 158         return false;
 159
 160     // Create the main application window
 161     MyFrame *frame = new MyFrame(wxT("Dial-up wxWidgets demo"),
 162                                  wxPoint(50, 50), wxSize(450, 340));
 163
 164     // Show it
 165     frame->Show(true);
 166
 167     // Init dial up manager
 168     m_dial = wxDialUpManager::Create();
 169
 170     if ( !m_dial->IsOk() )
 171     {
 172         wxLogError(wxT("The sample can't run on this system."));
 173
 174 #if wxUSE_LOG
 175         wxLog::GetActiveTarget()->Flush();
 176 #endif // wxUSE_LOG
 177
 178         // do it here, OnExit() won't be called
 179         delete m_dial;
 180
 181         return false;
 182     }
 183
 184 #if wxUSE_STATUSBAR
 185     frame->SetStatusText(GetDialer()->IsAlwaysOnline() ? wxT("LAN") : wxT("No LAN"), 2);
 186 #endif // wxUSE_STATUSBAR
 187
 188     return true;
 189 }
 190
 191 int MyApp::OnExit()
 192 {
 193     delete m_dial;
 194
 195     // exit code is 0, everything is ok
 196     return 0;
 197 }
 198
 199 void MyApp::OnConnected(wxDialUpEvent& event)
 200 {
 201     const wxChar *msg;
 202     if ( event.IsOwnEvent() )
 203     {
 204         msg = event.IsConnectedEvent() ? wxT("Successfully connected")
 205                                        : wxT("Dialing failed");
 206
 207         wxLogStatus(wxEmptyString);
 208     }
 209     else
 210     {
 211         msg = event.IsConnectedEvent() ? wxT("Just connected!")
 212                                        : wxT("Disconnected");
 213     }
 214
 215     wxLogMessage(msg);
 216 }
 217
 218 // ----------------------------------------------------------------------------
 219 // main frame
 220 // ----------------------------------------------------------------------------
 221
 222 // frame constructor
 223 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 224        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 225 {
 226     SetIcon(wxICON(sample));
 227
 228     // create a menu bar
 229     wxMenu *menuFile = new wxMenu;
 230
 231     menuFile->Append(NetTest_Dial, wxT("&Dial\tCtrl-D"), wxT("Dial default ISP"));
 232     menuFile->Append(NetTest_HangUp, wxT("&HangUp\tCtrl-H"), wxT("Hang up modem"));
 233     menuFile->AppendSeparator();
 234     menuFile->Append(NetTest_EnumISP, wxT("&Enumerate ISPs...\tCtrl-E"));
 235     menuFile->Append(NetTest_Check, wxT("&Check connection status...\tCtrl-C"));
 236     menuFile->AppendSeparator();
 237     menuFile->Append(NetTest_About, wxT("&About\tCtrl-A"), wxT("Show about dialog"));
 238     menuFile->AppendSeparator();
 239     menuFile->Append(NetTest_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 240
 241     // now append the freshly created menu to the menu bar...
 242     wxMenuBar *menuBar = new wxMenuBar;
 243     menuBar->Append(menuFile, wxT("&File"));
 244
 245     // ... and attach this menu bar to the frame
 246     SetMenuBar(menuBar);
 247
 248 #if wxUSE_STATUSBAR
 249     // create status bar and fill the LAN field
 250     CreateStatusBar(3);
 251     static const int widths[3] = { -1, 100, 60 };
 252     SetStatusWidths(3, widths);
 253 #endif // wxUSE_STATUSBAR
 254 }
 255
 256
 257 // event handlers
 258
 259 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 260 {
 261     // true is to force the frame to close
 262     Close(true);
 263 }
 264
 265 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 266 {
 267     wxString msg;
 268     msg.Printf( wxT("This is the network functions test sample.\n")
 269                 wxT("(c) 1999 Vadim Zeitlin") );
 270
 271     wxMessageBox(msg, wxT("About NetTest"), wxOK | wxICON_INFORMATION, this);
 272 }
 273
 274 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 275 {
 276     if ( wxGetApp().GetDialer()->HangUp() )
 277     {
 278         wxLogStatus(this, wxT("Connection was successfully terminated."));
 279     }
 280     else
 281     {
 282         wxLogStatus(this, wxT("Failed to hang up."));
 283     }
 284 }
 285
 286 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 287 {
 288     wxLogStatus(this, wxT("Preparing to dial..."));
 289     wxYield();
 290     wxBeginBusyCursor();
 291
 292     if ( wxGetApp().GetDialer()->Dial() )
 293     {
 294         wxLogStatus(this, wxT("Dialing..."));
 295     }
 296     else
 297     {
 298         wxLogStatus(this, wxT("Dialing attempt failed."));
 299     }
 300
 301     wxEndBusyCursor();
 302 }
 303
 304 void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
 305 {
 306    if(wxGetApp().GetDialer()->IsOnline())
 307    {
 308       wxLogMessage(wxT("Network is online."));
 309    }
 310    else
 311    {
 312       wxLogMessage(wxT("Network is offline."));
 313    }
 314 }
 315
 316 void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))
 317 {
 318     wxArrayString names;
 319     size_t nCount = wxGetApp().GetDialer()->GetISPNames(names);
 320     if ( nCount == 0 )
 321     {
 322         wxLogWarning(wxT("No ISPs found."));
 323     }
 324     else
 325     {
 326         wxString msg = wxT("Known ISPs:\n");
 327         for ( size_t n = 0; n < nCount; n++ )
 328         {
 329             msg << names[n] << '\n';
 330         }
 331
 332         wxLogMessage(msg);
 333     }
 334 }
 335
 336 void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
 337 {
 338     // disable this item while dialing
 339     event.Enable( !wxGetApp().GetDialer()->IsDialing() );
 340 }
 341
 342 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 343 {
 344     static int s_isOnline = -1; // not true nor false
 345
 346     bool isOnline = wxGetApp().GetDialer()->IsOnline();
 347     if ( s_isOnline != (int)isOnline )
 348     {
 349         s_isOnline = isOnline;
 350
 351 #if wxUSE_STATUSBAR
 352         SetStatusText(isOnline ? wxT("Online") : wxT("Offline"), 1);
 353 #endif // wxUSE_STATUSBAR
 354     }
 355 }