// ColorListCtrl.cpp : implementation file
//
#include "stdafx.h"
#include "ColorListCtrl.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CColorListCtrl
CListItemInfo::CListItemInfo()
{
m_iItem = -1;
m_iSubItem = -1;
m_clrText = ::GetSysColor(COLOR_WINDOWTEXT);
m_clrBgr = ::GetSysColor(COLOR_WINDOW);
}
CListItemInfo::~CListItemInfo()
{
}
CColorListCtrl::CColorListCtrl()
{
m_arrItemInfo.RemoveAll();
}
CColorListCtrl::~CColorListCtrl()
{
}
BEGIN_MESSAGE_MAP(CColorListCtrl, CListCtrl)
//{{AFX_MSG_MAP(CColorListCtrl)
ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, OnCustomdrawList)
// ON_NOTIFY(NM_CUSTOMDRAW, IDC_LIST1, OnCustomdrawList)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CColorListCtrl message handlers
// 自绘函数
void CColorListCtrl::OnCustomdrawList ( NMHDR* pNMHDR, LRESULT* pResult )
{
NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>( pNMHDR );
// Take the default processing unless we set this to something else below.
*pResult = 0;
// First thing - check the draw stage. If it's the control's prepaint
// stage, then tell Windows we want messages for every item.
if ( CDDS_PREPAINT == pLVCD->nmcd.dwDrawStage )
{
*pResult = CDRF_NOTIFYITEMDRAW;
}
else if ( CDDS_ITEMPREPAINT == pLVCD->nmcd.dwDrawStage )
{
*pResult = CDRF_NOTIFYSUBITEMDRAW;
}
else if ( (CDDS_ITEMPREPAINT | CDDS_SUBITEM) == pLVCD->nmcd.dwDrawStage )
{
// This is the prepaint stage for an item. Here's where we set the
// item's text color. Our return value will tell Windows to draw the
// item itself, but it will use the new color we set here.
// We'll cycle the colors through red, green, and light blue.
COLORREF crText = ::GetSysColor(COLOR_WINDOWTEXT);
COLORREF clrBgr = ::GetSysColor(COLOR_WINDOW);
int itemp = pLVCD->nmcd.dwItemSpec;
int iSubItem = pLVCD->iSubItem;
for(int i = 0; i < m_arrItemInfo.GetSize(); i++)
{
CListItemInfo listInfo = m_arrItemInfo[i];
if((listInfo.m_iItem == itemp) && listInfo.m_iSubItem == iSubItem)
{
crText = listInfo.m_clrText;
clrBgr = listInfo.m_clrBgr;
}
}
// Store the color back in the NMLVCUSTOMDRAW struct.
pLVCD->clrText = crText;
pLVCD->clrTextBk = clrBgr;
// Tell Windows to paint the control itself.
*pResult = CDRF_DODEFAULT;
}
}
// 设置一单元格的颜色
void CColorListCtrl::SetItemColor(int iItem, int iSubItem, COLORREF clrText, COLORREF clrBgr)
{
CListItemInfo listInfo;
listInfo.m_iItem = iItem;
listInfo.m_iSubItem = iSubItem;
listInfo.m_clrText = clrText;
listInfo.m_clrBgr = clrBgr;
m_arrItemInfo.Add(listInfo);
Invalidate();
UpdateWindow();
}
// 设置一行的颜色
void CColorListCtrl::SetItemColor(int iItem, COLORREF clrText, COLORREF clrBgr)
{
CHeaderCtrl* pHeaderCtrl = NULL;
pHeaderCtrl = GetHeaderCtrl();
if(!pHeaderCtrl)
{
return;
}
int nCount = pHeaderCtrl->GetItemCount();
for(int i = 0; i < nCount; i++)
{
SetItemColor(iItem, i, clrText, clrBgr);
}
}
// 清空颜色设置
void CColorListCtrl::RemoveAllColor()
{
m_arrItemInfo.RemoveAll();
Invalidate();
UpdateWindow();
}
// 重载函数CListCtrl::DeleteAllItems()
void CColorListCtrl::DeleteAllItems()
{
CListCtrl::DeleteAllItems();
RemoveAllColor();
}
// 重载BOOL CListCtrl::DeleteItem(int nItem)
BOOL CColorListCtrl::DeleteItem( int nItem )
{
BOOL bRes = CListCtrl::DeleteItem(nItem);
if(bRes)
{
for(int i = 0; i < m_arrItemInfo.GetSize(); i++)
{
if(m_arrItemInfo[i].m_iItem == nItem)
{
m_arrItemInfo.RemoveAt(i);
i--;
}
else if(m_arrItemInfo[i].m_iItem>nItem)
{
m_arrItemInfo[i].m_iItem--;
}
}
}
return bRes;
}
