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