samples/nettest/nettest.cpp

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