wxWidgets/samples/dialup/nettest.cpp
2002-03-27 18:45:20 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: net.cpp
// Purpose: wxWindows sample demonstrating network-related functions
// Author: Vadim Zeitlin
// Modified by:
// Created: 07.07.99
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "nettest.cpp"
#pragma interface "nettest.cpp"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWindows headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if !wxUSE_DIALUP_MANAGER
#error You must set wxUSE_DIALUP_MANAGER to 1 in setup.h!
#endif
#include "wx/dialup.h"
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
// called before the application termination
virtual int OnExit();
// event handlers
void OnConnected(wxDialUpEvent& event);
// accessor to dial up manager
wxDialUpManager *GetDialer() const { return m_dial; }
private:
wxDialUpManager *m_dial;
DECLARE_EVENT_TABLE()
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnHangUp(wxCommandEvent& event);
void OnDial(wxCommandEvent& event);
void OnEnumISPs(wxCommandEvent& event);
void OnCheck(wxCommandEvent& event);
void OnUpdateUI(wxUpdateUIEvent& event);
void OnIdle(wxIdleEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
NetTest_Quit = 1,
NetTest_About,
NetTest_HangUp,
NetTest_Dial,
NetTest_EnumISP,
NetTest_Check,
NetTest_Max
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWindows
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyApp, wxApp)
EVT_DIALUP_CONNECTED(MyApp::OnConnected)
EVT_DIALUP_DISCONNECTED(MyApp::OnConnected)
END_EVENT_TABLE()
// the event tables connect the wxWindows events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(NetTest_Quit, MyFrame::OnQuit)
EVT_MENU(NetTest_About, MyFrame::OnAbout)
EVT_MENU(NetTest_HangUp, MyFrame::OnHangUp)
EVT_MENU(NetTest_Dial, MyFrame::OnDial)
EVT_MENU(NetTest_EnumISP, MyFrame::OnEnumISPs)
EVT_MENU(NetTest_Check, MyFrame::OnCheck)
EVT_UPDATE_UI(NetTest_Dial, MyFrame::OnUpdateUI)
EVT_IDLE(MyFrame::OnIdle)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
// Create the main application window
MyFrame *frame = new MyFrame("Dial-up wxWindows demo",
wxPoint(50, 50), wxSize(450, 340));
// Show it and tell the application that it's our main window
frame->Show(TRUE);
SetTopWindow(frame);
// Init dial up manager
m_dial = wxDialUpManager::Create();
if ( !m_dial->IsOk() )
{
wxLogError(wxT("The sample can't run on this system."));
wxLog::GetActiveTarget()->Flush();
// do it here, OnExit() won't be called
delete m_dial;
return FALSE;
}
frame->SetStatusText(GetDialer()->IsAlwaysOnline() ? "LAN" : "No LAN", 2);
return TRUE;
}
int MyApp::OnExit()
{
delete m_dial;
// exit code is 0, everything is ok
return 0;
}
void MyApp::OnConnected(wxDialUpEvent& event)
{
const wxChar *msg;
if ( event.IsOwnEvent() )
{
msg = event.IsConnectedEvent() ? wxT("Successfully connected")
: wxT("Dialing failed");
wxLogStatus(wxT(""));
}
else
{
msg = event.IsConnectedEvent() ? wxT("Just connected!")
: wxT("Disconnected");
}
wxLogMessage(msg);
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{
// create a menu bar
wxMenu *menuFile = new wxMenu;
menuFile->Append(NetTest_Dial, "&Dial\tCtrl-D", "Dial default ISP");
menuFile->Append(NetTest_HangUp, "&HangUp\tCtrl-H", "Hang up modem");
menuFile->AppendSeparator();
menuFile->Append(NetTest_EnumISP, "&Enumerate ISPs...\tCtrl-E");
menuFile->Append(NetTest_Check, "&Check connection status...\tCtrl-C");
menuFile->AppendSeparator();
menuFile->Append(NetTest_About, "&About...\tCtrl-A", "Show about dialog");
menuFile->AppendSeparator();
menuFile->Append(NetTest_Quit, "E&xit\tAlt-X", "Quit this program");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menuFile, "&File");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
// create status bar and fill the LAN field
CreateStatusBar(3);
static const int widths[3] = { -1, 100, 60 };
SetStatusWidths(3, widths);
}
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// TRUE is to force the frame to close
Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxString msg;
msg.Printf( wxT("This is the network functions test sample.\n")
wxT("<EFBFBD> 1999 Vadim Zeitlin") );
wxMessageBox(msg, wxT("About NetTest"), wxOK | wxICON_INFORMATION, this);
}
void MyFrame::OnHangUp(wxCommandEvent& WXUNUSED(event))
{
if ( wxGetApp().GetDialer()->HangUp() )
{
wxLogStatus(this, wxT("Connection was succesfully terminated."));
}
else
{
wxLogStatus(this, wxT("Failed to hang up."));
}
}
void MyFrame::OnDial(wxCommandEvent& WXUNUSED(event))
{
wxLogStatus(this, wxT("Preparing to dial..."));
wxYield();
wxBeginBusyCursor();
if ( wxGetApp().GetDialer()->Dial() )
{
wxLogStatus(this, wxT("Dialing..."));
}
else
{
wxLogStatus(this, wxT("Dialing attempt failed."));
}
wxEndBusyCursor();
}
void MyFrame::OnCheck(wxCommandEvent& WXUNUSED(event))
{
if(wxGetApp().GetDialer()->IsOnline())
wxLogMessage(wxT("Network is online."));
else
wxLogMessage(wxT("Network is offline."));
}
void MyFrame::OnEnumISPs(wxCommandEvent& WXUNUSED(event))
{
wxArrayString names;
size_t nCount = wxGetApp().GetDialer()->GetISPNames(names);
if ( nCount == 0 )
{
wxLogWarning(wxT("No ISPs found."));
}
else
{
wxString msg = "Known ISPs:\n";
for ( size_t n = 0; n < nCount; n++ )
{
msg << names[n] << '\n';
}
wxLogMessage(msg);
}
}
void MyFrame::OnUpdateUI(wxUpdateUIEvent& event)
{
// disable this item while dialing
event.Enable( !wxGetApp().GetDialer()->IsDialing() );
}
void MyFrame::OnIdle(wxIdleEvent& WXUNUSED(event))
{
static int s_isOnline = -1; // not TRUE nor FALSE
bool isOnline = wxGetApp().GetDialer()->IsOnline();
if ( s_isOnline != (int)isOnline )
{
s_isOnline = isOnline;
SetStatusText(isOnline ? "Online" : "Offline", 1);
}
}