MFC编程->可编辑List Control控件

        List Control使用时，要使得单元格内内容可编辑，list控件代码需要重写。

#if !defined(AFX_EDITLISTCTRL_H__A02CE0B0_FF7B_4A54_8570_12B03905EC3E__INCLUDED_)
#define AFX_EDITLISTCTRL_H__A02CE0B0_FF7B_4A54_8570_12B03905EC3E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// EditListCtrl.h : header file
// Download by http://www.codefans.net
/////////////////////////////////////////////////////////////////////////////
//CItemEdit window

class CItemEdit : public CEdit
{
// Construction
public:
CItemEdit();

// Attributes
public:

// Operations
public:

// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CItemEdit)
//}}AFX_VIRTUAL

// Implementation
public:
int m_iXPos;
virtual ~CItemEdit();

// Generated message map functions
protected:
//{{AFX_MSG(CItemEdit)
afx_msg void OnWindowPosChanging(WINDOWPOS FAR* lpwndpos);
//}}AFX_MSG

DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////
// CEditListCtrl window
// Download by http://www.codefans.net class CEditListCtrl : public CListCtrl
{
// Construction
public:
CEditListCtrl();

// Attributes
public:

// Operations
public:

// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CEditListCtrl)
protected:
virtual void PreSubclassWindow();
//}}AFX_VIRTUAL

// Implementation
public:
virtual ~CEditListCtrl();

// Generated message map functions
protected:
//{{AFX_MSG(CEditListCtrl)
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnPaint();
afx_msg void OnBeginlabeledit(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnEndlabeledit(NMHDR* pNMHDR, LRESULT* pResult);
afx_msg void OnKillFocus(CWnd* pNewWnd);
afx_msg void OnSetFocus(CWnd* pOldWnd);
//}}AFX_MSG
afx_msg void OnCustomDraw(NMHDR* pNMHDR, LRESULT* pResult);
DECLARE_MESSAGE_MAP()
private:
int m_iSubItem; //子项标识符
int m_iItem; //主项标识符
BOOL m_bHighLight; //是否高亮文本
BOOL m_bFocus; //是否绘制焦点框
CItemEdit m_edtItemEdit; // 用于子类化EditLabel函数返回的CEdit*指针
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_EDITLISTCTRL_H__A02CE0B0_FF7B_4A54_8570_12B03905EC3E__INCLUDED_)


// EditListCtrl.cpp : implementation file
// Download by http://www.codefans.net
#include "stdafx.h"
#include "EditListCtrl.h"

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

/////////////////////////////////////////////////////////////////////////////
// CEditListCtrl

CEditListCtrl::CEditListCtrl()
{
m_iItem = -1;
m_iSubItem = -1;

m_bHighLight = FALSE;
m_bFocus = FALSE;
}

CEditListCtrl::~CEditListCtrl()
{
}

BEGIN_MESSAGE_MAP(CEditListCtrl, CListCtrl)
//{{AFX_MSG_MAP(CEditListCtrl)
ON_WM_LBUTTONDOWN()
ON_WM_PAINT()
ON_NOTIFY_REFLECT(LVN_BEGINLABELEDIT, OnBeginlabeledit)
ON_NOTIFY_REFLECT(LVN_ENDLABELEDIT, OnEndlabeledit)
ON_WM_KILLFOCUS()
ON_WM_SETFOCUS()
//}}AFX_MSG_MAP
ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, OnCustomDraw)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEditListCtrl message handlers

void CEditListCtrl::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default

m_bFocus = TRUE;

LVHITTESTINFO lvhit;
lvhit.pt = point;
int item = SubItemHitTest(&lvhit);

//if (over a item/subitem)
if (item != -1 && (lvhit.flags & LVHT_ONITEM))
{
CListCtrl::OnLButtonDown(nFlags, point);

if(m_bHighLight && m_iItem == lvhit.iItem && m_iSubItem == lvhit.iSubItem)
{
//第二次单击
EditLabel(m_iItem);
return;
}
else
{
//第一次单击
m_iItem = lvhit.iItem;
m_iSubItem = lvhit.iSubItem;
m_bHighLight = TRUE;
}
}
else
{
if(m_edtItemEdit.m_hWnd == NULL)
{
//未出现文本编辑框时
m_bHighLight = FALSE;
}

CListCtrl::OnLButtonDown(nFlags, point);
}

Invalidate();
}

//EditLabel() cause this function has been called
void CEditListCtrl::OnBeginlabeledit(NMHDR* pNMHDR, LRESULT* pResult)
{
LV_DISPINFO* pDispInfo = (LV_DISPINFO*)pNMHDR;

// TODO: Add your control notification handler code here
if (m_iSubItem >= 0)
{
ASSERT(m_iItem == pDispInfo->item.iItem);

CRect rcSubItem;
GetSubItemRect( pDispInfo->item.iItem, m_iSubItem, LVIR_BOUNDS, rcSubItem);

//get edit control and subclass
HWND hWnd= (HWND)SendMessage(LVM_GETEDITCONTROL);
ASSERT(hWnd != NULL);
VERIFY(m_edtItemEdit.SubclassWindow(hWnd));

//move edit control text 4 pixel to the right of org label,
//as Windows does it...
m_edtItemEdit.m_iXPos = rcSubItem.left + 4;
m_edtItemEdit.SetWindowText(GetItemText(pDispInfo->item.iItem, m_iSubItem));
}

*pResult = 0;
}

void CEditListCtrl::OnPaint()
{
//CPaintDC dc(this); // device context for painting

if (m_iSubItem >= 0 && m_edtItemEdit.m_hWnd)
{
CRect rect;
CRect rcEdit;
m_edtItemEdit.GetWindowRect(rcEdit);
ScreenToClient(rcEdit);

GetSubItemRect(m_iItem, m_iSubItem, LVIR_LABEL, rect);

//当文本编辑框缩小时,擦除露出的项文本高亮部分
if (rcEdit.right < rect.right)
{
rect.left = rcEdit.right;
CClientDC dc(this);
dc.FillRect(rect, &CBrush(::GetSysColor(COLOR_WINDOW)));
ValidateRect(rect);
}
}

CListCtrl::OnPaint();
}

void CEditListCtrl::OnEndlabeledit(NMHDR* pNMHDR, LRESULT* pResult)
{
LV_DISPINFO* pDispInfo = (LV_DISPINFO*)pNMHDR;
LV_ITEM *plvItem = &pDispInfo->item;

if (m_iSubItem >= 0)
{
if (plvItem->pszText != NULL )
{
SetItemText(plvItem->iItem,m_iSubItem, plvItem->pszText);
}

VERIFY(m_edtItemEdit.UnsubclassWindow()!=NULL);
*pResult = 0;
}

//编辑文本时对控件父窗口操作(如单击其它控件)引发"OnEndlabeledit"时刷新控件
CRect rect;
GetWindowRect(&rect);
CPoint point;
::GetCursorPos(&point);
if(!rect.PtInRect(point))
{
m_iItem = -1;
m_iSubItem = -1;
m_bFocus = FALSE;
m_bHighLight = FALSE;
}
}

void CEditListCtrl::OnCustomDraw(NMHDR* pNMHDR, LRESULT* pResult)
{
//draw each item.set txt color,bkcolor....
NMLVCUSTOMDRAW* pNMLVCustomDraw = (NMLVCUSTOMDRAW*)pNMHDR;

// Take the default processing unless we set this to something else below.
*pResult = CDRF_DODEFAULT;

// First thing - check the draw stage. If it's the control's prepaint
// stage, then tell Windows we want messages for every item.

if (pNMLVCustomDraw->nmcd.dwDrawStage == CDDS_PREPAINT)
{
*pResult = CDRF_NOTIFYITEMDRAW;
}
else if (pNMLVCustomDraw->nmcd.dwDrawStage == CDDS_ITEMPREPAINT)
{
// This is the notification message for an item. We'll request
// notifications before each subitem's prepaint stage.
*pResult = CDRF_NOTIFYSUBITEMDRAW;
}
else if (pNMLVCustomDraw->nmcd.dwDrawStage == (CDDS_ITEMPREPAINT | CDDS_SUBITEM))
{
// store the colors back in the NMLVCUSTOMDRAW struct
// but it's effective only when *pResult = CDRF_DODEFAULT

// pNMLVCustomDraw->clrText = RGB(0, 0, 255);
// pNMLVCustomDraw->clrTextBk = RGB(0, 255, 0);
// *pResult = CDRF_DODEFAULT;

// This is the prepaint stage for a subitem. Here's where we set the
// item's text and background colors. Our return value will tell
// Windows to draw the subitem itself, but it will use the new colors
// we set here.
int iItem = (int)pNMLVCustomDraw->nmcd.dwItemSpec;
int iSubItem = pNMLVCustomDraw->iSubItem;

CDC* pDC = CDC::FromHandle(pNMLVCustomDraw->nmcd.hdc);

CString strItemText = GetItemText(iItem, iSubItem);
CRect rcItem, rcText;
GetSubItemRect(iItem, iSubItem, LVIR_LABEL, rcItem);
rcText = rcItem;

CSize size = pDC->GetTextExtent(strItemText);
if(strItemText == _T(""))
{
size.cx = 41;
}

//设置文本高亮矩形
rcText.left += 4;
rcText.right = rcText.left + size.cx + 6;
if(rcText.right > rcItem.right)
{
rcText.right = rcItem.right;
}

COLORREF crOldTextColor = pDC->GetTextColor();

//绘制项焦点/高亮效果
if(m_bFocus)
{

if((m_iItem == iItem) && (m_iSubItem == iSubItem))
{
if(m_bHighLight)
{
pDC->SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
pDC->FillSolidRect(&rcText, ::GetSysColor(COLOR_HIGHLIGHT));
}
pDC->DrawFocusRect(&rcText);
}
}

//绘制项文本
rcItem.left += 6;
pDC->DrawText(strItemText, &rcItem, DT_LEFT | DT_VCENTER | DT_SINGLELINE | DT_END_ELLIPSIS | DT_NOCLIP);

pDC->SetTextColor(crOldTextColor);
*pResult = CDRF_SKIPDEFAULT;// We've painted everything.
}
}

void CEditListCtrl::PreSubclassWindow()
{
// TODO: Add your specialized code here and/or call the base class
CListCtrl::PreSubclassWindow();
ModifyStyle(0, LVS_EDITLABELS);
}

void CEditListCtrl::OnKillFocus(CWnd* pNewWnd)
{
CListCtrl::OnKillFocus(pNewWnd);

// TODO: Add your message handler code here
CRect rect;
GetWindowRect(&rect);
CPoint point;
::GetCursorPos(&point);
if(!rect.PtInRect(point) && GetParent()->GetFocus() != NULL)
{
m_iItem = -1;
m_iSubItem = -1;
m_bFocus = FALSE;
m_bHighLight = FALSE;
Invalidate();
}

}

void CEditListCtrl::OnSetFocus(CWnd* pOldWnd)
{
// CListCtrl::OnSetFocus(pOldWnd);

// TODO: Add your message handler code here

}

/////////////////////////////////////////////////////////////////////////////
// CItemEdit

CItemEdit::CItemEdit()
{
}

CItemEdit::~CItemEdit()
{
}

BEGIN_MESSAGE_MAP(CItemEdit, CEdit)
//{{AFX_MSG_MAP(CItemEdit)
ON_WM_WINDOWPOSCHANGING()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CItemEdit message handlers

void CItemEdit::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos)
{
lpwndpos->x = m_iXPos;

CEdit::OnWindowPosChanging(lpwndpos);

// TODO: Add your message handler code here

}


在对话框dlg.h文件里添加以下代码：

        CEditListCtrl m_EditListCtrl;

在对话框dlg.cpp文件里

//m_EditListCtrl初始化
m_EditListCtrl.InsertColumn(0, _T("参数名"), LVCFMT_LEFT, 110);//单元格宽度
m_EditListCtrl.InsertColumn(1, _T("参数"), LVCFMT_LEFT, 110);
m_EditListCtrl.InsertColumn(2, _T("参数名"), LVCFMT_LEFT, 110);
m_EditListCtrl.InsertColumn(4, _T("参数"), LVCFMT_LEFT, 110);

m_EditListCtrl.InsertItem(0, _T("min_win"));
m_EditListCtrl.SetItemText(0, 2, _T("patch_size"));
m_EditListCtrl.SetItemText(0, 1, _T("15"));
m_EditListCtrl.SetItemText(0, 3, _T("15"));

        m_EditListCtrl.InsertItem(1, _T("ncc_thesame"));
m_EditListCtrl.SetItemText(1, 2, _T("valid"));
m_EditListCtrl.SetItemText(1, 1, _T("0.95"));
m_EditListCtrl.SetItemText(1, 3, _T("0.5"));

     TCHAR szBuf[1024];
      LVITEM lvi;
      lvi.iItem = nItemIndex;
      lvi.iSubItem = 0;
      lvi.mask = LVIF_TEXT;
      lvi.pszText = szBuf;
      lvi.cchTextMax = 1024;
      m_list.GetItem(&lvi);