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/net.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
  84     void OnUpdateUI(wxUpdateUIEvent& event);
  85
  86     void OnIdle(wxIdleEvent& event);
  87
  88 private:
  89     // any class wishing to process wxWindows 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 };
 106
 107 // ----------------------------------------------------------------------------
 108 // event tables and other macros for wxWindows
 109 // ----------------------------------------------------------------------------
 110
 111 BEGIN_EVENT_TABLE(MyApp, wxApp)
 112     EVT_DIALUP_CONNECTED(MyApp::OnConnected)
 113     EVT_DIALUP_DISCONNECTED(MyApp::OnConnected)
 114 END_EVENT_TABLE()
 115
 116 // the event tables connect the wxWindows events with the functions (event
 117 // handlers) which process them. It can be also done at run-time, but for the
 118 // simple menu events like this the static method is much simpler.
 119 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 120     EVT_MENU(NetTest_Quit,  MyFrame::OnQuit)
 121     EVT_MENU(NetTest_About, MyFrame::OnAbout)
 122     EVT_MENU(NetTest_HangUp, MyFrame::OnHangUp)
 123     EVT_MENU(NetTest_Dial, MyFrame::OnDial)
 124
 125     EVT_UPDATE_UI(NetTest_Dial, MyFrame::OnUpdateUI)
 126
 127     EVT_IDLE(MyFrame::OnIdle)
 128 END_EVENT_TABLE()
 129
 130 // Create a new application object: this macro will allow wxWindows to create
 131 // the application object during program execution (it's better than using a
 132 // static object for many reasons) and also declares the accessor function
 133 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 134 // not wxApp)
 135 IMPLEMENT_APP(MyApp)
 136
 137 // ============================================================================
 138 // implementation
 139 // ============================================================================
 140
 141 // ----------------------------------------------------------------------------
 142 // the application class
 143 // ----------------------------------------------------------------------------
 144
 145 // `Main program' equivalent: the program execution "starts" here
 146 bool MyApp::OnInit()
 147 {
 148     // Create the main application window
 149     MyFrame *frame = new MyFrame("Dial-up wxWindows demo",
 150                                  wxPoint(50, 50), wxSize(450, 340));
 151
 152     // Show it and tell the application that it's our main window
 153     frame->Show(TRUE);
 154     SetTopWindow(frame);
 155
 156     // Init dial up manager
 157     m_dial = wxDialUpManager::Create();
 158
 159     if ( !m_dial->IsOk() )
 160     {
 161         wxLogError("The sample can't run on this system.");
 162
 163         wxLog::GetActiveTarget()->Flush();
 164
 165         // do it here, OnExit() won't be called
 166         delete m_dial;
 167
 168         return FALSE;
 169     }
 170
 171     return TRUE;
 172 }
 173
 174 int MyApp::OnExit()
 175 {
 176     delete m_dial;
 177
 178     // exit code is 0, everything is ok
 179     return 0;
 180 }
 181
 182 void MyApp::OnConnected(wxDialUpEvent& event)
 183 {
 184     const char *msg;
 185     if ( event.IsOwnEvent() )
 186     {
 187         msg = event.IsConnectedEvent() ? "Successfully connected"
 188                                        : "Dialing failed";
 189
 190         wxLogStatus("");
 191     }
 192     else
 193     {
 194         msg = event.IsConnectedEvent() ? "Just connected!"
 195                                        : "Disconnected";
 196     }
 197
 198     wxMessageBox(msg, "Dial Up Manager Notification",
 199                  wxOK | wxICON_INFORMATION,
 200                  GetTopWindow());
 201 }
 202
 203 // ----------------------------------------------------------------------------
 204 // main frame
 205 // ----------------------------------------------------------------------------
 206
 207 // frame constructor
 208 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 209        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 210 {
 211     // set the frame icon
 212     SetIcon(wxICON(mondrian));
 213
 214     // create a menu bar
 215     wxMenu *menuFile = new wxMenu;
 216
 217     menuFile->Append(NetTest_Dial, "&Dial\tCtrl-D", "Dial default ISP");
 218     menuFile->Append(NetTest_HangUp, "&HangUp\tCtrl-H", "Hang up modem");
 219     menuFile->AppendSeparator();
 220     menuFile->Append(NetTest_About, "&About...\tCtrl-A", "Show about dialog");
 221     menuFile->AppendSeparator();
 222     menuFile->Append(NetTest_Quit, "E&xit\tAlt-X", "Quit this program");
 223
 224     // now append the freshly created menu to the menu bar...
 225     wxMenuBar *menuBar = new wxMenuBar;
 226     menuBar->Append(menuFile, "&File");
 227
 228     // ... and attach this menu bar to the frame
 229     SetMenuBar(menuBar);
 230
 231     CreateStatusBar(2);
 232 }
 233
 234
 235 // event handlers
 236
 237 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 238 {
 239     // TRUE is to force the frame to close
 240     Close(TRUE);
 241 }
 242
 243 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 244 {
 245     wxString msg;
 246     msg.Printf(_T("This is the network functions test sample.\n"
 247                   "© 1999 Vadim Zeitlin"));
 248
 249     wxMessageBox(msg, _T("About NetTest"), wxOK | wxICON_INFORMATION, this);
 250 }
 251
 252 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 253 {
 254     if ( wxGetApp().GetDialer()->HangUp() )
 255     {
 256         wxLogStatus(this, "Connection was succesfully terminated.");
 257     }
 258     else
 259     {
 260         wxLogStatus(this, "Failed to hang up.");
 261     }
 262 }
 263
 264 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 265 {
 266     wxLogStatus(this, "Preparing to dial...");
 267     wxYield();
 268     wxBeginBusyCursor();
 269
 270     if ( wxGetApp().GetDialer()->Dial("Free", "zeitlin", "") )
 271     {
 272         wxLogStatus(this, "Dialing...");
 273     }
 274     else
 275     {
 276         wxLogStatus(this, "Dialing attempt failed.");
 277     }
 278
 279     wxEndBusyCursor();
 280 }
 281
 282 void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
 283 {
 284     // disable this item while dialing
 285     event.Enable( !wxGetApp().GetDialer()->IsDialing() );
 286 }
 287
 288 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 289 {
 290     static int s_isOnline = -1; // not TRUE nor FALSE
 291
 292     bool isOnline = wxGetApp().GetDialer()->IsOnline();
 293     if ( s_isOnline != (int)isOnline )
 294     {
 295         s_isOnline = isOnline;
 296
 297         SetStatusText(isOnline ? "Online" : "Offline", 1);
 298     }
 299 }