www.pudn.com > VCListCtrl.rar > HistoryEdit.cpp

/* 
 *  HistoryEdit.cpp 
 * 
 *  Description: 
 *    CHistoryEdit implementation 
 * 
 *    A CEdit subclass that allows you to display a text history 
 *    of events. 
 * 
 *  Author: 
 *    Ravi Bhavnani (ravib@datablast.net) 
 * 
 *  Revision History: 
 *    15 Mar 1998   rab   Original version 
 */ 
 
#include "stdafx.h" 
#include "HistoryEdit.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CHistoryEdit 
 
CHistoryEdit::CHistoryEdit() 
{ 
  m_bSelectable = FALSE; 
} 
 
CHistoryEdit::~CHistoryEdit() 
{ 
} 
 
BEGIN_MESSAGE_MAP(CHistoryEdit, CEdit) 
	//{{AFX_MSG_MAP(CHistoryEdit) 
	ON_WM_SETFOCUS() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CHistoryEdit operations 
 
void CHistoryEdit::AppendString 
  (CString str) 
// 
//  Purpose: 
//    Appends a text string to the history buffer. 
// 
//  Returns: 
//    None. 
// 
{ 
CString   strBuffer;    // current contents of edit control 
 
  // Append string 
  GetWindowText (strBuffer); 
  if (!strBuffer.IsEmpty()) 
     strBuffer += "\r\n"; 
  strBuffer += str; 
  SetWindowText (strBuffer); 
 
  // Scroll the edit control 
  LineScroll (GetLineCount(), 0); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CHistoryEdit message handlers 
 
void CHistoryEdit::OnSetFocus(CWnd* pOldWnd)  
{ 
  // Don't allow user to select text 
  if (m_bSelectable) 
     CEdit::OnSetFocus (pOldWnd); 
  else 
     pOldWnd->SetFocus(); 
} 
 
// End EditHistroy.cpp