terminalview.cpp

Terminal 终端仿真程序

// TerminalView.cpp : implementation of the CTerminalView class
//

#include "stdafx.h"
#include "Terminal.h"

#include "TerminalDoc.h"
#include "TerminalView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTerminalView

IMPLEMENT_DYNCREATE(CTerminalView, CEditView)

BEGIN_MESSAGE_MAP(CTerminalView, CEditView)
	//{{AFX_MSG_MAP(CTerminalView)
	ON_WM_CHAR()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CTerminalView construction/destruction

CTerminalView::CTerminalView()
{
	// TODO: add construction code here

}

CTerminalView::~CTerminalView()
{
}

BOOL CTerminalView::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;
}

/////////////////////////////////////////////////////////////////////////////
// CTerminalView drawing

void CTerminalView::OnDraw(CDC* pDC)
{
	CTerminalDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CTerminalView printing

BOOL CTerminalView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default CEditView preparation
	return CEditView::OnPreparePrinting(pInfo);
}

void CTerminalView::OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)
{
	// Default CEditView begin printing.
	CEditView::OnBeginPrinting(pDC, pInfo);
}

void CTerminalView::OnEndPrinting(CDC* pDC, CPrintInfo* pInfo)
{
	// Default CEditView end printing
	CEditView::OnEndPrinting(pDC, pInfo);
}

/////////////////////////////////////////////////////////////////////////////
// CTerminalView diagnostics

#ifdef _DEBUG
void CTerminalView::AssertValid() const
{
	CEditView::AssertValid();
}

void CTerminalView::Dump(CDumpContext& dc) const
{
	CEditView::Dump(dc);
}

CTerminalDoc* CTerminalView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTerminalDoc)));
	return (CTerminalDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTerminalView message handlers

void CTerminalView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
	CTerminalDoc* pDoc=GetDocument();
	char c=(char)nChar;
	if(!pDoc->m_bConnected)
		return;
	pDoc->WriteComm(&c,1);
	if(pDoc->m_bEcho)

	CEditView::OnChar(nChar, nRepCnt, nFlags);
}
LRESULT CTerminalView::OnCommNotify(WPARAM wParam,LPARAM lParam)
{
	char buf[MAXBLOCK/4];
	CString str;
	int nLength,nTextLength;
	CTerminalDoc* pDoc=GetDocument();
	CEdit& edit=GetEditCtrl();
	if(!pDoc->m_bConnected||(wParam&EV_RXCHAR)!=EV_RXCHAR)
	{
		SetEvent(pDoc->m_hPostMsgEvent);
		return 0;
	}
	nLength=pDoc->ReadComm(buf,100);
	if(nLength)
	{
		nTextLength=edit.GetWindowTextLength();
		edit.SetSel(nTextLength,nTextLength);
		for(int i=0;i<nLength;i++)
		{
			switch(buf[i])
			{
			case '\r':
				if(!pDoc->m_bNewLine)
					break;
			case '\n':
				str+="\r\n";
				break;
			case '\b':
				edit.SetSel(-1,0);
				edit.ReplaceSel(str);
				nTextLength=edit.GetWindowTextLength();
				edit.SetSel(nTextLength-1,nTextLength);
				edit.ReplaceSel("");
				str="";
				break;
			case '\a':
				MessageBeep((UINT)-1);
				break;
			default:
				str+=buf[i];
			}
		}
		edit.SetSel(-1,0);
		edit.ReplaceSel(str);
	}
	SetEvent(pDoc->m_hPostMsgEvent);
	return 0;

}