www.pudn.com > shelllist.rar > MyCombo.cpp

/*-------------------------------------------------------- 
 *Copyright 中国频道－厦门精通科技(www.china-channel.com) 
 * 
 *   BY:张建新(zhangjx@china-channel.com) 
 * 
 *--------------------------------------------------------*/ 
/*--------------------------------------------------------- 
 *	实现下拉框式的列表在位编辑 
 *--------------------------------------------------------*/ 
#include "stdafx.h" 
#include "ClientFTP.h" 
#include "MyCombo.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CMyCombo 
 
CMyCombo::CMyCombo() 
{ 
	m_bESC = FALSE; 
	m_bInplaceEdit = FALSE; 
} 
 
CMyCombo::~CMyCombo() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CMyCombo, CComboBox) 
	//{{AFX_MSG_MAP(CMyCombo) 
	ON_WM_CHAR() 
	ON_WM_CREATE() 
	ON_WM_DESTROY() 
	ON_WM_KILLFOCUS() 
	ON_CONTROL_REFLECT(CBN_SELCHANGE, OnSelchange) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMyCombo message handlers 
 
void CMyCombo::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)  
{ 
	if(m_bInplaceEdit && (nChar == VK_ESCAPE || nChar == VK_RETURN)) 
	{ 
		if(nChar == VK_ESCAPE) 
		{ 
			m_bESC = TRUE; 
		} 
 
		this->SendMessage(WM_CLOSE); 
	} 
} 
 
int CMyCombo::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CComboBox::OnCreate(lpCreateStruct) == -1) 
		return -1; 
 
	if(m_bInplaceEdit) 
	{ 
	 
		ASSERT(m_strList.GetCount() > 0); 
 
		for(POSITION pos = m_strList.GetHeadPosition() ; pos != NULL ; ) 
		{ 
			AddString((LPCTSTR)(m_strList.GetNext(pos))); 
		} 
		SetCurSel(0); 
	} 
 
	return 0; 
} 
 
void CMyCombo::OnDestroy()  
{ 
	CComboBox::OnDestroy(); 
 
	if(m_bInplaceEdit) 
	{ 
		CListCtrl& theCtrl = ((CListView*)GetParent())->GetListCtrl(); 
 
		CString str; 
		GetWindowText(str); 
 
		LV_DISPINFO dispinfo; 
		dispinfo.hdr.hwndFrom = theCtrl.m_hWnd; 
		dispinfo.hdr.idFrom = GetDlgCtrlID(); 
		dispinfo.hdr.code = LVN_ENDLABELEDIT; 
 
		dispinfo.item.mask = LVIF_TEXT; 
		dispinfo.item.iItem = theCtrl.GetNextItem(-1, LVNI_SELECTED); 
		dispinfo.item.iSubItem = 0; 
		dispinfo.item.pszText = m_bESC ? NULL : LPTSTR((LPCTSTR)str); 
		dispinfo.item.cchTextMax = str.GetLength(); 
 
		GetParent()->SendMessage(WM_NOTIFY, 
			theCtrl.GetDlgCtrlID(), (LPARAM)&dispinfo); 
	} 
} 
 
void CMyCombo::OnKillFocus(CWnd* pNewWnd)  
{ 
	CComboBox::OnKillFocus(pNewWnd); 
 
	if(m_bInplaceEdit) 
	{ 
		if(pNewWnd != this->GetParent()) 
		{ 
			OnDestroy(); 
		} 
	}	 
} 
 
void CMyCombo::OnSelchange()  
{ 
	int iSel = this->GetCurSel(); 
	if(!m_bInplaceEdit) 
	{ 
		GetParent()->SendMessage(MM_COMBO_SELCHANGE, iSel, this->GetDlgCtrlID()); 
	} 
}