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 __WXMSW__
  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(_T("Dial-up wxWidgets demo"),
 162                                  wxPoint(50, 50), wxSize(450, 340));
 163
 164     // Show it and tell the application that it's our main window
 165     frame->Show(true);
 166     SetTopWindow(frame);
 167
 168     // Init dial up manager
 169     m_dial = wxDialUpManager::Create();
 170
 171     if ( !m_dial->IsOk() )
 172     {
 173         wxLogError(wxT("The sample can't run on this system."));
 174
 175 #if wxUSE_LOG
 176         wxLog::GetActiveTarget()->Flush();
 177 #endif // wxUSE_LOG
 178
 179         // do it here, OnExit() won't be called
 180         delete m_dial;
 181
 182         return false;
 183     }
 184
 185 #if wxUSE_STATUSBAR
 186     frame->SetStatusText(GetDialer()->IsAlwaysOnline() ? _T("LAN") : _T("No LAN"), 2);
 187 #endif // wxUSE_STATUSBAR
 188
 189     return true;
 190 }
 191
 192 int MyApp::OnExit()
 193 {
 194     delete m_dial;
 195
 196     // exit code is 0, everything is ok
 197     return 0;
 198 }
 199
 200 void MyApp::OnConnected(wxDialUpEvent& event)
 201 {
 202     const wxChar *msg;
 203     if ( event.IsOwnEvent() )
 204     {
 205         msg = event.IsConnectedEvent() ? wxT("Successfully connected")
 206                                        : wxT("Dialing failed");
 207
 208         wxLogStatus(wxEmptyString);
 209     }
 210     else
 211     {
 212         msg = event.IsConnectedEvent() ? wxT("Just connected!")
 213                                        : wxT("Disconnected");
 214     }
 215
 216     wxLogMessage(msg);
 217 }
 218
 219 // ----------------------------------------------------------------------------
 220 // main frame
 221 // ----------------------------------------------------------------------------
 222
 223 // frame constructor
 224 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 225        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 226 {
 227     SetIcon(wxICON(sample));
 228
 229     // create a menu bar
 230     wxMenu *menuFile = new wxMenu;
 231
 232     menuFile->Append(NetTest_Dial, _T("&Dial\tCtrl-D"), _T("Dial default ISP"));
 233     menuFile->Append(NetTest_HangUp, _T("&HangUp\tCtrl-H"), _T("Hang up modem"));
 234     menuFile->AppendSeparator();
 235     menuFile->Append(NetTest_EnumISP, _T("&Enumerate ISPs...\tCtrl-E"));
 236     menuFile->Append(NetTest_Check, _T("&Check connection status...\tCtrl-C"));
 237     menuFile->AppendSeparator();
 238     menuFile->Append(NetTest_About, _T("&About...\tCtrl-A"), _T("Show about dialog"));
 239     menuFile->AppendSeparator();
 240     menuFile->Append(NetTest_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 241
 242     // now append the freshly created menu to the menu bar...
 243     wxMenuBar *menuBar = new wxMenuBar;
 244     menuBar->Append(menuFile, _T("&File"));
 245
 246     // ... and attach this menu bar to the frame
 247     SetMenuBar(menuBar);
 248
 249 #if wxUSE_STATUSBAR
 250     // create status bar and fill the LAN field
 251     CreateStatusBar(3);
 252     static const int widths[3] = { -1, 100, 60 };
 253     SetStatusWidths(3, widths);
 254 #endif // wxUSE_STATUSBAR
 255 }
 256
 257
 258 // event handlers
 259
 260 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 261 {
 262     // true is to force the frame to close
 263     Close(true);
 264 }
 265
 266 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 267 {
 268     wxString msg;
 269     msg.Printf( wxT("This is the network functions test sample.\n")
 270                 wxT("(c) 1999 Vadim Zeitlin") );
 271
 272     wxMessageBox(msg, wxT("About NetTest"), wxOK | wxICON_INFORMATION, this);
 273 }
 274
 275 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 276 {
 277     if ( wxGetApp().GetDialer()->HangUp() )
 278     {
 279         wxLogStatus(this, wxT("Connection was successfully terminated."));
 280     }
 281     else
 282     {
 283         wxLogStatus(this, wxT("Failed to hang up."));
 284     }
 285 }
 286
 287 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 288 {
 289     wxLogStatus(this, wxT("Preparing to dial..."));
 290     wxYield();
 291     wxBeginBusyCursor();
 292
 293     if ( wxGetApp().GetDialer()->Dial() )
 294     {
 295         wxLogStatus(this, wxT("Dialing..."));
 296     }
 297     else
 298     {
 299         wxLogStatus(this, wxT("Dialing attempt failed."));
 300     }
 301
 302     wxEndBusyCursor();
 303 }
 304
 305 void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
 306 {
 307    if(wxGetApp().GetDialer()->IsOnline())
 308       wxLogMessage(wxT("Network is online."));
 309    else
 310       wxLogMessage(wxT("Network is offline."));
 311 }
 312
 313 void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))
 314 {
 315     wxArrayString names;
 316     size_t nCount = wxGetApp().GetDialer()->GetISPNames(names);
 317     if ( nCount == 0 )
 318     {
 319         wxLogWarning(wxT("No ISPs found."));
 320     }
 321     else
 322     {
 323         wxString msg = _T("Known ISPs:\n");
 324         for ( size_t n = 0; n < nCount; n++ )
 325         {
 326             msg << names[n] << '\n';
 327         }
 328
 329         wxLogMessage(msg);
 330     }
 331 }
 332
 333 void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
 334 {
 335     // disable this item while dialing
 336     event.Enable( !wxGetApp().GetDialer()->IsDialing() );
 337 }
 338
 339 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 340 {
 341     static int s_isOnline = -1; // not true nor false
 342
 343     bool isOnline = wxGetApp().GetDialer()->IsOnline();
 344     if ( s_isOnline != (int)isOnline )
 345     {
 346         s_isOnline = isOnline;
 347
 348 #if wxUSE_STATUSBAR
 349         SetStatusText(isOnline ? _T("Online") : _T("Offline"), 1);
 350 #endif // wxUSE_STATUSBAR
 351     }
 352 }