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 // Copyright:   (c) Vadim Zeitlin
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 // for all others, include the necessary headers (this file is usually all you
  27 // need because it includes almost all "standard" wxWidgets headers
  28 #ifndef WX_PRECOMP
  29     #include "wx/wx.h"
  30 #endif
  31
  32 #if !wxUSE_DIALUP_MANAGER
  33 #error You must set wxUSE_DIALUP_MANAGER to 1 in setup.h!
  34 #endif
  35
  36 #include "wx/dialup.h"
  37
  38 #ifndef wxHAS_IMAGES_IN_RESOURCES
  39     #include "../sample.xpm"
  40 #endif
  41
  42 // ----------------------------------------------------------------------------
  43 // private classes
  44 // ----------------------------------------------------------------------------
  45
  46 // Define a new application type, each program should derive a class from wxApp
  47 class MyApp : public wxApp
  48 {
  49 public:
  50     // override base class virtuals
  51     // ----------------------------
  52
  53     // this one is called on application startup and is a good place for the app
  54     // initialization (doing it here and not in the ctor allows to have an error
  55     // return: if OnInit() returns false, the application terminates)
  56     virtual bool OnInit();
  57
  58     // called before the application termination
  59     virtual int OnExit();
  60
  61     // event handlers
  62     void OnConnected(wxDialUpEvent& event);
  63
  64     // accessor to dial up manager
  65     wxDialUpManager *GetDialer() const { return m_dial; }
  66
  67 private:
  68     wxDialUpManager *m_dial;
  69
  70     DECLARE_EVENT_TABLE()
  71 };
  72
  73 // Define a new frame type: this is going to be our main frame
  74 class MyFrame : public wxFrame
  75 {
  76 public:
  77     // ctor(s)
  78     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  79
  80     // event handlers (these functions should _not_ be virtual)
  81     void OnQuit(wxCommandEvent& event);
  82     void OnAbout(wxCommandEvent& event);
  83     void OnHangUp(wxCommandEvent& event);
  84     void OnDial(wxCommandEvent& event);
  85     void OnEnumISPs(wxCommandEvent& event);
  86     void OnCheck(wxCommandEvent& event);
  87     void OnUpdateUI(wxUpdateUIEvent& event);
  88
  89     void OnIdle(wxIdleEvent& event);
  90
  91 private:
  92     // any class wishing to process wxWidgets events must use this macro
  93     DECLARE_EVENT_TABLE()
  94 };
  95
  96 // ----------------------------------------------------------------------------
  97 // constants
  98 // ----------------------------------------------------------------------------
  99
 100 // IDs for the controls and the menu commands
 101 enum
 102 {
 103     // menu items
 104     NetTest_Quit = 1,
 105     NetTest_About,
 106     NetTest_HangUp,
 107     NetTest_Dial,
 108     NetTest_EnumISP,
 109     NetTest_Check,
 110     NetTest_Max
 111 };
 112
 113 // ----------------------------------------------------------------------------
 114 // event tables and other macros for wxWidgets
 115 // ----------------------------------------------------------------------------
 116
 117 BEGIN_EVENT_TABLE(MyApp, wxApp)
 118     EVT_DIALUP_CONNECTED(MyApp::OnConnected)
 119     EVT_DIALUP_DISCONNECTED(MyApp::OnConnected)
 120 END_EVENT_TABLE()
 121
 122 // the event tables connect the wxWidgets events with the functions (event
 123 // handlers) which process them. It can be also done at run-time, but for the
 124 // simple menu events like this the static method is much simpler.
 125 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 126     EVT_MENU(NetTest_Quit,  MyFrame::OnQuit)
 127     EVT_MENU(NetTest_About, MyFrame::OnAbout)
 128     EVT_MENU(NetTest_HangUp, MyFrame::OnHangUp)
 129     EVT_MENU(NetTest_Dial, MyFrame::OnDial)
 130     EVT_MENU(NetTest_EnumISP, MyFrame::OnEnumISPs)
 131     EVT_MENU(NetTest_Check, MyFrame::OnCheck)
 132
 133     EVT_UPDATE_UI(NetTest_Dial, MyFrame::OnUpdateUI)
 134
 135     EVT_IDLE(MyFrame::OnIdle)
 136 END_EVENT_TABLE()
 137
 138 // Create a new application object: this macro will allow wxWidgets to create
 139 // the application object during program execution (it's better than using a
 140 // static object for many reasons) and also declares the accessor function
 141 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 142 // not wxApp)
 143 IMPLEMENT_APP(MyApp)
 144
 145 // ============================================================================
 146 // implementation
 147 // ============================================================================
 148
 149 // ----------------------------------------------------------------------------
 150 // the application class
 151 // ----------------------------------------------------------------------------
 152
 153 // `Main program' equivalent: the program execution "starts" here
 154 bool MyApp::OnInit()
 155 {
 156     if ( !wxApp::OnInit() )
 157         return false;
 158
 159     // Create the main application window
 160     MyFrame *frame = new MyFrame(wxT("Dial-up wxWidgets demo"),
 161                                  wxPoint(50, 50), wxSize(450, 340));
 162
 163     // Show it
 164     frame->Show(true);
 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() ? wxT("LAN") : wxT("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     SetIcon(wxICON(sample));
 226
 227     // create a menu bar
 228     wxMenu *menuFile = new wxMenu;
 229
 230     menuFile->Append(NetTest_Dial, wxT("&Dial\tCtrl-D"), wxT("Dial default ISP"));
 231     menuFile->Append(NetTest_HangUp, wxT("&HangUp\tCtrl-H"), wxT("Hang up modem"));
 232     menuFile->AppendSeparator();
 233     menuFile->Append(NetTest_EnumISP, wxT("&Enumerate ISPs...\tCtrl-E"));
 234     menuFile->Append(NetTest_Check, wxT("&Check connection status...\tCtrl-C"));
 235     menuFile->AppendSeparator();
 236     menuFile->Append(NetTest_About, wxT("&About\tCtrl-A"), wxT("Show about dialog"));
 237     menuFile->AppendSeparator();
 238     menuFile->Append(NetTest_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 239
 240     // now append the freshly created menu to the menu bar...
 241     wxMenuBar *menuBar = new wxMenuBar;
 242     menuBar->Append(menuFile, wxT("&File"));
 243
 244     // ... and attach this menu bar to the frame
 245     SetMenuBar(menuBar);
 246
 247 #if wxUSE_STATUSBAR
 248     // create status bar and fill the LAN field
 249     CreateStatusBar(3);
 250     static const int widths[3] = { -1, 100, 60 };
 251     SetStatusWidths(3, widths);
 252 #endif // wxUSE_STATUSBAR
 253 }
 254
 255
 256 // event handlers
 257
 258 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 259 {
 260     // true is to force the frame to close
 261     Close(true);
 262 }
 263
 264 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 265 {
 266     wxString msg;
 267     msg.Printf( wxT("This is the network functions test sample.\n")
 268                 wxT("(c) 1999 Vadim Zeitlin") );
 269
 270     wxMessageBox(msg, wxT("About NetTest"), wxOK | wxICON_INFORMATION, this);
 271 }
 272
 273 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 274 {
 275     if ( wxGetApp().GetDialer()->HangUp() )
 276     {
 277         wxLogStatus(this, wxT("Connection was successfully terminated."));
 278     }
 279     else
 280     {
 281         wxLogStatus(this, wxT("Failed to hang up."));
 282     }
 283 }
 284
 285 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 286 {
 287     wxLogStatus(this, wxT("Preparing to dial..."));
 288     wxYield();
 289     wxBeginBusyCursor();
 290
 291     if ( wxGetApp().GetDialer()->Dial() )
 292     {
 293         wxLogStatus(this, wxT("Dialing..."));
 294     }
 295     else
 296     {
 297         wxLogStatus(this, wxT("Dialing attempt failed."));
 298     }
 299
 300     wxEndBusyCursor();
 301 }
 302
 303 void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
 304 {
 305    if(wxGetApp().GetDialer()->IsOnline())
 306    {
 307       wxLogMessage(wxT("Network is online."));
 308    }
 309    else
 310    {
 311       wxLogMessage(wxT("Network is offline."));
 312    }
 313 }
 314
 315 void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))
 316 {
 317     wxArrayString names;
 318     size_t nCount = wxGetApp().GetDialer()->GetISPNames(names);
 319     if ( nCount == 0 )
 320     {
 321         wxLogWarning(wxT("No ISPs found."));
 322     }
 323     else
 324     {
 325         wxString msg = wxT("Known ISPs:\n");
 326         for ( size_t n = 0; n < nCount; n++ )
 327         {
 328             msg << names[n] << '\n';
 329         }
 330
 331         wxLogMessage(msg);
 332     }
 333 }
 334
 335 void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
 336 {
 337     // disable this item while dialing
 338     event.Enable( !wxGetApp().GetDialer()->IsDialing() );
 339 }
 340
 341 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 342 {
 343     static int s_isOnline = -1; // not true nor false
 344
 345     bool isOnline = wxGetApp().GetDialer()->IsOnline();
 346     if ( s_isOnline != (int)isOnline )
 347     {
 348         s_isOnline = isOnline;
 349
 350 #if wxUSE_STATUSBAR
 351         SetStatusText(isOnline ? wxT("Online") : wxT("Offline"), 1);
 352 #endif // wxUSE_STATUSBAR
 353     }
 354 }