www.pudn.com > docktool.zip > searchbx.cpp

// searchbx.cpp : implementation file 
// 
// This is a part of the Microsoft Foundation Classes C++ library. 
// Copyright (c) Microsoft Corporation.  All rights reserved. 
// 
// This source code is only intended as a supplement to the 
// Microsoft Foundation Classes Reference and related 
// electronic documentation provided with the library. 
// See these sources for detailed information regarding the 
// Microsoft Foundation Classes product. 
 
#include "stdafx.h" 
#include "docktool.h" 
#include "searchbx.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char BASED_CODE THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CSearchBox 
 
CSearchBox::CSearchBox() 
{ 
} 
 
CSearchBox::~CSearchBox() 
{ 
} 
 
BEGIN_MESSAGE_MAP(CSearchBox, CComboBox) 
	//{{AFX_MSG_MAP(CSearchBox) 
		// NOTE - the ClassWizard will add and remove mapping macros here. 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CSearchBox message handlers 
 
BOOL CSearchBox::PreTranslateMessage(MSG* pMsg) 
{ 
	if ((pMsg->message != WM_KEYDOWN) || (pMsg->wParam != VK_RETURN)) 
		return CComboBox::PreTranslateMessage(pMsg); 
 
	// when the enter key is hit in the ComboBox we want to add the string 
	// to the top of the list and hilight it.  We also want to limit the 
	// list to the last 15 entries. 
	if ((pMsg->lParam & 0x40000000) == 0)   // Not a repeat. 
	{ 
		CString strText; 
		GetWindowText(strText); 
		InsertString(0, strText); 
		SetCurSel(0); 
		if (GetCount() > 15) 
			DeleteString(GetCount()-1); 
	} 
	return TRUE; 
}