www.pudn.com > 组态软件的通信.rar > TTYView.cpp

// TTYView.cpp : implementation of the CTTYView class 
// 
 
#include "stdafx.h" 
#include "TTY.h" 
#include "TTYDoc.h" 
#include "TTYView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CTTYView 
 
IMPLEMENT_DYNCREATE(CTTYView, CEditView) 
 
BEGIN_MESSAGE_MAP(CTTYView, CEditView) 
	//{{AFX_MSG_MAP(CTTYView) 
	ON_WM_CHAR() 
	ON_COMMAND(IDM_WRITE, OnWrite) 
	//}}AFX_MSG_MAP 
	// Standard printing commands 
	ON_COMMAND(ID_FILE_PRINT, CEditView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CEditView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CEditView::OnFilePrintPreview) 
	ON_MESSAGE(WM_COMMNOTIFY, OnCommNotify) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTTYView construction/destruction 
 
CTTYView::CTTYView() 
{ 
	// TODO: add construction code here 
 
} 
 
CTTYView::~CTTYView() 
{ 
} 
 
BOOL CTTYView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	BOOL bPreCreated = CEditView::PreCreateWindow(cs); 
	cs.style &= ~(ES_AUTOHSCROLL|WS_HSCROLL);	// Enable word-wrapping 
 
	return bPreCreated; 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTTYView drawing 
 
void CTTYView::OnDraw(CDC* pDC) 
{ 
	CTTYDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	// TODO: add draw code for native data here 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTTYView printing 
 
BOOL CTTYView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default CEditView preparation 
	return CEditView::OnPreparePrinting(pInfo); 
} 
 
void CTTYView::OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo) 
{ 
	// Default CEditView begin printing. 
	CEditView::OnBeginPrinting(pDC, pInfo); 
} 
 
void CTTYView::OnEndPrinting(CDC* pDC, CPrintInfo* pInfo) 
{ 
	// Default CEditView end printing 
	CEditView::OnEndPrinting(pDC, pInfo); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTTYView diagnostics 
 
#ifdef _DEBUG 
void CTTYView::AssertValid() const 
{ 
	CEditView::AssertValid(); 
} 
 
void CTTYView::Dump(CDumpContext& dc) const 
{ 
	CEditView::Dump(dc); 
} 
 
CTTYDoc* CTTYView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTTYDoc))); 
	return (CTTYDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CTTYView message handlers 
 
 
void CTTYView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CTTYDoc* pDoc=GetDocument(); 
	 
	unsigned char c=(char)nChar; 
 
	if(!pDoc->m_bConnected) 
		return; 
 
	pDoc->WriteComm(&c, 1); 
 
	if(pDoc->m_bEcho)  
		CEditView::OnChar(nChar, nRepCnt, nFlags); // 本地回显 
} 
 
 
LRESULT CTTYView::OnCommNotify(WPARAM wParam, LPARAM lParam) 
{ 
 
	unsigned char buf[MAXBLOCK/4]; 
	char rbuf[10]; 
	CString str; 
	int nLength, nTextLength; 
	CTTYDoc* pDoc=GetDocument(); 
 
	CEdit& edit=GetEditCtrl(); 
 
	if(!pDoc->m_bConnected || 	(wParam & EV_RXCHAR)!=EV_RXCHAR) // 是否是EV_RXCHAR事件? 
	{ 
		SetEvent(pDoc->m_hPostMsgEvent); // 允许发送下一个WM_COMMNOTIFY消息 
		return 0L; 
	} 
 
	nLength=pDoc->ReadComm(buf,1); 
 
	if(nLength) 
	{ 
		nTextLength=edit.GetWindowTextLength(); 
		edit.SetSel(nTextLength,nTextLength); //移动插入光标到正文末尾 
 
		for(int i=0;im_bNewLine)  
					break; 
 
			case '\n': // 换行 
				str+="\r\n"; 
				break; 
 
			case '\b': // 退格 
				edit.SetSel(-1, 0); 
				edit.ReplaceSel(str); 
				nTextLength=edit.GetWindowTextLength(); 
				edit.SetSel(nTextLength-1,nTextLength); 
				edit.ReplaceSel(""); //回退一个字符 
				str=""; 
				break; 
 
			case '\a': // 振铃  
				MessageBeep((UINT)-1); 
				break; 
 
			default :  
//				str+=buf[i]; 
				sprintf(rbuf," %02X ",buf[i]); 
				str+=rbuf; 
			} 
		} 
		edit.SetSel(-1, 0); 
		edit.ReplaceSel(str); // 向编辑视图中插入收到的字符 
	} 
 
	SetEvent(pDoc->m_hPostMsgEvent); // 允许发送下一个WM_COMMNOTIFY消息 
	return 0L; 
} 
 
 
 
void CTTYView::OnWrite()  
{ 
	unsigned char buf[MAXBLOCK/4]; 
	CTTYDoc* pDoc=GetDocument(); 
	buf[0]=0x7f; 
	buf[1]=0x1; 
	buf[2]=0xFE; 
	buf[3]=0xFF; 
	buf[4]=0x02; 
 
    pDoc->WriteComm(buf,5); 
 
}