www.pudn.com > TAPISample.rar > TAPISampleDlg.cpp

// TAPISampleDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "TAPISample.h" 
#include "TAPISampleDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	//{{AFX_DATA(CAboutDlg) 
	enum { IDD = IDD_ABOUTBOX }; 
	//}}AFX_DATA 
 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CAboutDlg) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	//{{AFX_MSG(CAboutDlg) 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
	//{{AFX_DATA_INIT(CAboutDlg) 
	//}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CAboutDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
	//{{AFX_MSG_MAP(CAboutDlg) 
		// No message handlers 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTAPISampleDlg dialog 
 
CTAPISampleDlg::CTAPISampleDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CTAPISampleDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CTAPISampleDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CTAPISampleDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CTAPISampleDlg) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CTAPISampleDlg, CDialog) 
	//{{AFX_MSG_MAP(CTAPISampleDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_BTNWAIT, OnBtnWait) 
	ON_BN_CLICKED(IDC_BTNOPEN, OnBtnOpen) 
	ON_BN_CLICKED(IDC_BTNDIAL, OnBtnDial) 
	ON_BN_CLICKED(IDC_BTNCOMHANDLE, OnBtnComHandle) 
	ON_BN_CLICKED(IDC_BTNREAD, OnBtnRead) 
	ON_BN_CLICKED(IDC_BTNWRITE, OnBtnWrite) 
	ON_BN_CLICKED(IDC_BTNREADCLEAR, OnBtnReadClear) 
	ON_BN_CLICKED(IDC_BTNWRITECLEAR, OnBtnWriteClear) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTAPISampleDlg message handlers 
 
BOOL CTAPISampleDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Add "About..." menu item to system menu. 
 
	// IDM_ABOUTBOX must be in the system command range. 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	m_hWaitForCallThread= NULL; 
	m_hSerialHandle= NULL; 
	m_bStopReadThread = true; 
	m_hReadThread = NULL; 
 
	GetDlgItem(IDC_BTNWAIT)->EnableWindow(false); 
	GetDlgItem(IDC_BTNDIAL)->EnableWindow(false); 
	GetDlgItem(IDC_BTNWRITE)->EnableWindow(false); 
	GetDlgItem(IDC_BTNREAD)->EnableWindow(false); 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CTAPISampleDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CTAPISampleDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CTAPISampleDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CTAPISampleDlg::OnBtnReadClear()  
{ 
	SetDlgItemText(IDC_EDTREAD,""); 
	SetDlgItemText(IDC_EDTREADLEN,""); 
} 
 
void CTAPISampleDlg::OnBtnWriteClear()  
{ 
	SetDlgItemText(IDC_EDTWRITE,""); 
	SetDlgItemText(IDC_EDTWRITELEN,""); 
} 
 
void CTAPISampleDlg::OnBtnOpen()  
{ 
	int nRet; 
	CString cszText; 
	char *szError; 
 
	GetDlgItemText(IDC_BTNOPEN,cszText); 
 
	if(cszText == "Open") 
	{ 
		nRet = cCall.Open(); 
		if(nRet) 
		{ 
			cCall.GetErrorString(nRet,szError); 
			AfxMessageBox(szError,MB_ICONERROR|MB_OK); 
			return; 
		} 
		SetDlgItemText(IDC_BTNOPEN,"Close"); 
		GetDlgItem(IDC_BTNWAIT)->EnableWindow(true); 
		GetDlgItem(IDC_BTNDIAL)->EnableWindow(true); 
	} 
	else 
	{ 
		nRet = cCall.Close();		 
		if(nRet) 
		{ 
			cCall.GetErrorString(nRet,szError); 
			AfxMessageBox(szError,MB_ICONERROR|MB_OK); 
			return; 
		} 
		SetDlgItemText(IDC_BTNOPEN,"Open"); 
		GetDlgItem(IDC_BTNWAIT)->EnableWindow(false); 
		GetDlgItem(IDC_BTNDIAL)->EnableWindow(false); 
 
		if(m_hWaitForCallThread) 
		{ 
			TerminateThread(m_hWaitForCallThread,0); 
			CloseHandle(m_hWaitForCallThread); 
			m_hWaitForCallThread=NULL; 
		} 
	} 
} 
 
void CTAPISampleDlg::OnBtnWait()  
{// since the waiting function holds we'll put it in a thread 
	if(m_hWaitForCallThread) 
	{ 
		TerminateThread(m_hWaitForCallThread,0); 
		CloseHandle(m_hWaitForCallThread); 
		m_hWaitForCallThread=NULL; 
	} 
	/// 这里创立线程如何， 线程句柄 
	m_hWaitForCallThread = CreateThread(NULL,0,WaitForCallThread,this,0,0); 
	 
	GetDlgItem(IDC_BTNWAIT)->EnableWindow(false); // making it disable 
} 
 
void CTAPISampleDlg::OnBtnDial()  
{ 
	CString cszText; 
	char *szText; 
 
	GetDlgItemText(IDC_EDTDIALNUMBER,cszText); 
	 
	int nRet = cCall.MakeOutgoingCall(cszText.GetBuffer(0)); 
	cszText.ReleaseBuffer(); 
		 
	if(nRet) 
	{ 
		cCall.GetErrorString(nRet,szText); 
		AfxMessageBox(szText,MB_ICONERROR|MB_OK); 
		return; 
	} 
	GetDlgItem(IDC_BTNCOMHANDLE)->EnableWindow(true); 
} 
 
void CTAPISampleDlg::OnBtnComHandle()  
{ 
	long lRet; 
	CString cszText; 
	char *szError; 
 
	GetDlgItemText(IDC_BTNCOMHANDLE,cszText); 
 
	if(cszText == "Get Handle") 
	{ 
		m_hSerialHandle = cCall.GetHandle("comm/datamodem",&lRet); 
		if(lRet) 
		{ 
			m_hSerialHandle = NULL; 
			cCall.GetErrorString(lRet,szError); 
			AfxMessageBox(szError,MB_ICONERROR|MB_OK); 
			return; 
		} 
		SetDlgItemText(IDC_BTNCOMHANDLE,"Close Handle"); 
		GetDlgItem(IDC_BTNWRITE)->EnableWindow(true); 
		GetDlgItem(IDC_BTNREAD)->EnableWindow(true); 
		SetDlgItemText(IDC_BTNREAD,"Read"); 
	} 
	else 
	{ 
		if(m_hReadThread) 
		{ 
			m_bStopReadThread = true; 
			Sleep(1000); 
			TerminateThread(m_hReadThread,0); 
			CloseHandle(m_hReadThread); 
			m_hReadThread=NULL; 
		} 
 
		CloseHandle(m_hSerialHandle); 
		m_hSerialHandle = NULL; 
 
		SetDlgItemText(IDC_BTNCOMHANDLE,"Get Handle"); 
		GetDlgItem(IDC_BTNWRITE)->EnableWindow(false); 
		GetDlgItem(IDC_BTNREAD)->EnableWindow(false); 
		SetDlgItemText(IDC_BTNREAD,"Read"); 
	} 
} 
 
void CTAPISampleDlg::OnBtnRead()  
{ 
	CString cszText; 
 
	GetDlgItemText(IDC_BTNREAD,cszText); 
 
	if(cszText == "Read") 
	{ 
		m_bStopReadThread = false; 
		m_hReadThread = CreateThread(NULL,0,ReadThread,this,0,0); 
		SetDlgItemText(IDC_BTNREAD,"Stop"); 
	} 
	else 
	{ 
		if(m_hReadThread) 
		{ 
			m_bStopReadThread = true; 
			Sleep(1000); 
			TerminateThread(m_hReadThread,0); 
			CloseHandle(m_hReadThread); 
			m_hReadThread=NULL; 
		} 
		SetDlgItemText(IDC_BTNREAD,"Read"); 
	} 
} 
 
void CTAPISampleDlg::OnBtnWrite()  
{ 
	char *szBuff = (char*)malloc(512); 
 
	DWORD dwWriteLen =0; 
	int nRet; 
	char *szText; 
	CString cszText; 
 
	OVERLAPPED ov; 
	ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); 
	ov.Offset = 0; 
	ov.OffsetHigh = 0; 
 
	GetDlgItemText(IDC_EDTWRITE,szBuff,512); 
 
	nRet = WriteFile(m_hSerialHandle,szBuff,strlen(szBuff),&dwWriteLen,&ov); 
	if(!nRet) 
	{ 
		if(!nRet) 
		{ 
			nRet = GetLastError(); 
			if(nRet != ERROR_IO_PENDING) 
			{ 
				cCall.GetErrorString(nRet,szText); 
				AfxMessageBox(szText,MB_ICONERROR|MB_OK); 
				free(szBuff); 
				return; 
			} 
		} 
 
		switch(WaitForSingleObject(ov.hEvent,INFINITE)) 
		{ 
		case WAIT_OBJECT_0: 
			GetOverlappedResult(m_hSerialHandle, &ov, &dwWriteLen,FALSE); 
			break; 
		default: 
			break; 
		}; 
	} 
	free(szBuff); 
 
	SetDlgItemInt(IDC_EDTWRITELEN,GetDlgItemInt(IDC_EDTWRITELEN)+dwWriteLen); 
} 
 
DWORD WINAPI CTAPISampleDlg::WaitForCallThread(LPVOID lpVoid) 
{ 
	CTAPISampleDlg *pcDlg = (CTAPISampleDlg *)lpVoid; 
	 
	char *szError; 
	int nRet = pcDlg->cCall.GetIncomingCall();	 
	if(nRet) 
	{ 
		pcDlg->cCall.GetErrorString(nRet,szError); 
		AfxMessageBox(szError,MB_ICONERROR|MB_OK); 
		return nRet; 
	} 
	pcDlg->GetDlgItem(IDC_BTNWAIT)->EnableWindow(true); 
	pcDlg->GetDlgItem(IDC_BTNCOMHANDLE)->EnableWindow(true); 
	return 0; 
} 
 
DWORD WINAPI CTAPISampleDlg::ReadThread(LPVOID lpVoid) 
{ 
	CTAPISampleDlg *pcDlg = (CTAPISampleDlg *)lpVoid; 
 
	char *szBuff = (char*)malloc(512); 
 
	DWORD dwReadLen; 
	int nRet; 
	char *szText; 
	CString cszText; 
 
	OVERLAPPED ov; 
	ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); 
	ov.Offset = 0; 
	ov.OffsetHigh = 0; 
 
	for(;!pcDlg->m_bStopReadThread;) 
	{ 
		nRet = ReadFile(pcDlg->m_hSerialHandle,szBuff,512,&dwReadLen,&ov); 
		if(!nRet) 
		{ 
			nRet = GetLastError(); 
			if(nRet != ERROR_IO_PENDING) 
			{ 
				pcDlg->cCall.GetErrorString(nRet,szText); 
				AfxMessageBox(szText,MB_ICONERROR|MB_OK); 
				free(szBuff); 
				return nRet; 
			} 
		} 
 
		switch(WaitForSingleObject(ov.hEvent,INFINITE)) 
		{ 
		case WAIT_OBJECT_0: 
			GetOverlappedResult(pcDlg->m_hSerialHandle, &ov, &dwReadLen,FALSE); 
			break; 
		default: 
			break; 
		}; 
		szBuff[dwReadLen] = 0; 
		pcDlg->GetDlgItemText(IDC_EDTREAD,cszText); 
		cszText += szBuff; 
		pcDlg->SetDlgItemText(IDC_EDTREAD,cszText); 
		pcDlg->SetDlgItemInt(IDC_EDTREADLEN,pcDlg->GetDlgItemInt(IDC_EDTREADLEN)+dwReadLen); 
		((CEdit*)pcDlg->GetDlgItem(IDC_EDTREAD))->LineScroll(((CEdit*)pcDlg->GetDlgItem(IDC_EDTREAD))->GetLineCount()); 
	} 
	free(szBuff); 
	return 0; 
}