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     // event handlers
  57     void OnConnected(wxDialUpEvent& event);
  58
  59 private:
  60     DECLARE_EVENT_TABLE();
  61 };
  62
  63 // Define a new frame type: this is going to be our main frame
  64 class MyFrame : public wxFrame
  65 {
  66 public:
  67     // ctor(s)
  68     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  69
  70     // event handlers (these functions should _not_ be virtual)
  71     void OnQuit(wxCommandEvent& event);
  72     void OnAbout(wxCommandEvent& event);
  73     void OnHangUp(wxCommandEvent& event);
  74     void OnDial(wxCommandEvent& event);
  75
  76     void OnIdle(wxIdleEvent& event);
  77
  78 private:
  79     // any class wishing to process wxWindows events must use this macro
  80     DECLARE_EVENT_TABLE()
  81 };
  82
  83 // ----------------------------------------------------------------------------
  84 // constants
  85 // ----------------------------------------------------------------------------
  86
  87 // IDs for the controls and the menu commands
  88 enum
  89 {
  90     // menu items
  91     NetTest_Quit = 1,
  92     NetTest_About,
  93     NetTest_HangUp,
  94     NetTest_Dial
  95 };
  96
  97 // ----------------------------------------------------------------------------
  98 // event tables and other macros for wxWindows
  99 // ----------------------------------------------------------------------------
 100
 101 BEGIN_EVENT_TABLE(MyApp, wxApp)
 102     EVT_DIALUP_CONNECTED(MyApp::OnConnected)
 103     EVT_DIALUP_DISCONNECTED(MyApp::OnConnected)
 104 END_EVENT_TABLE()
 105
 106 // the event tables connect the wxWindows events with the functions (event
 107 // handlers) which process them. It can be also done at run-time, but for the
 108 // simple menu events like this the static method is much simpler.
 109 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 110     EVT_MENU(NetTest_Quit,  MyFrame::OnQuit)
 111     EVT_MENU(NetTest_About, MyFrame::OnAbout)
 112     EVT_MENU(NetTest_HangUp, MyFrame::OnHangUp)
 113     EVT_MENU(NetTest_Dial, MyFrame::OnDial)
 114
 115     EVT_IDLE(MyFrame::OnIdle)
 116 END_EVENT_TABLE()
 117
 118 // Create a new application object: this macro will allow wxWindows to create
 119 // the application object during program execution (it's better than using a
 120 // static object for many reasons) and also declares the accessor function
 121 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 122 // not wxApp)
 123 IMPLEMENT_APP(MyApp)
 124
 125 // ============================================================================
 126 // implementation
 127 // ============================================================================
 128
 129 // ----------------------------------------------------------------------------
 130 // the application class
 131 // ----------------------------------------------------------------------------
 132
 133 // `Main program' equivalent: the program execution "starts" here
 134 bool MyApp::OnInit()
 135 {
 136     // Create the main application window
 137     MyFrame *frame = new MyFrame("Minimal wxWindows App",
 138                                  wxPoint(50, 50), wxSize(450, 340));
 139
 140     // Show it and tell the application that it's our main window
 141     frame->Show(TRUE);
 142     SetTopWindow(frame);
 143
 144     // success: wxApp::OnRun() will be called which will enter the main message
 145     // loop and the application will run. If we returned FALSE here, the
 146     // application would exit immediately.
 147     return TRUE;
 148 }
 149
 150 void MyApp::OnConnected(wxDialUpEvent& event)
 151 {
 152     wxMessageBox(event.IsConnectedEvent() ? "Just connected!"
 153                                           : "Disconnected",
 154                  "Dial Up Manager Notification",
 155                  wxOK | wxICON_INFORMATION,
 156                  GetTopWindow());
 157 }
 158
 159 // ----------------------------------------------------------------------------
 160 // main frame
 161 // ----------------------------------------------------------------------------
 162
 163 // frame constructor
 164 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 165        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 166 {
 167     // set the frame icon
 168     SetIcon(wxICON(mondrian));
 169
 170     // create a menu bar
 171     wxMenu *menuFile = new wxMenu;
 172
 173     menuFile->Append(NetTest_Dial, "&Dial\tCtrl-D", "Dial default ISP");
 174     menuFile->Append(NetTest_HangUp, "&HangUp\tCtrl-H", "Hang up modem");
 175     menuFile->AppendSeparator();
 176     menuFile->Append(NetTest_About, "&About...\tCtrl-A", "Show about dialog");
 177     menuFile->AppendSeparator();
 178     menuFile->Append(NetTest_Quit, "E&xit\tAlt-X", "Quit this program");
 179
 180     // now append the freshly created menu to the menu bar...
 181     wxMenuBar *menuBar = new wxMenuBar;
 182     menuBar->Append(menuFile, "&File");
 183
 184     // ... and attach this menu bar to the frame
 185     SetMenuBar(menuBar);
 186
 187     CreateStatusBar(2);
 188 }
 189
 190
 191 // event handlers
 192
 193 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 194 {
 195     // TRUE is to force the frame to close
 196     Close(TRUE);
 197 }
 198
 199 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 200 {
 201     wxString msg;
 202     msg.Printf(_T("This is the network functions test sample.\n"
 203                   "© 1999 Vadim Zeitlin"));
 204
 205     wxMessageBox(msg, _T("About NetTest"), wxOK | wxICON_INFORMATION, this);
 206 }
 207
 208 void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
 209 {
 210     if ( wxDialUpManager::Get()->HangUp() )
 211     {
 212         wxLogStatus(this, "Connection was succesfully terminated.");
 213     }
 214     else
 215     {
 216         wxLogStatus(this, "Failed to hang up.");
 217     }
 218 }
 219
 220 void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
 221 {
 222     wxLogStatus(this, "Dialing...");
 223     wxYield();
 224     wxBeginBusyCursor();
 225
 226     if ( wxDialUpManager::Get()->Dial("Free",
 227                                       "zeitlin", "") )
 228     {
 229         wxLogStatus(this, "Connection was succesfully established.");
 230     }
 231     else
 232     {
 233         wxLogStatus(this, "Dialing attempt failed.");
 234     }
 235
 236     wxEndBusyCursor();
 237 }
 238
 239 void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
 240 {
 241     static int s_isOnline = -1; // not TRUE nor FALSE
 242
 243     bool isOnline = wxDialUpManager::Get()->IsOnline();
 244     if ( s_isOnline != (int)isOnline )
 245     {
 246         s_isOnline = isOnline;
 247
 248         SetStatusText(isOnline ? "Online" : "Offline", 1);
 249     }
 250 }