MFC ListControl增强类

// ListCtrlCl.cpp : 实现文件 // #include "stdafx.h" #include "IASMonitor.h" #include "ListCtrlCl.h" struct stColor { int nRow; int nCol; COLORREF rgb; }; // CListCtrlCl IMPLEMENT_DYNAMIC(CListCtrlCl, CListCtrl) CListCtrlCl::CListCtrlCl() : m_nRowHeight(0) , m_fontHeight(12) , m_fontWith(0) { m_color = RGB(0,0,0); } CListCtrlCl::~CListCtrlCl() { RemoveList(); } BEGIN_MESSAGE_MAP(CListCtrlCl, CListCtrl) ON_WM_MEASUREITEM() ON_WM_MEASUREITEM_REFLECT() END_MESSAGE_MAP() // CListCtrlCl 消息处理程序 void CListCtrlCl::PreSubclassWindow() { // TODO: 在此添加专用代码和/或调用基类 ModifyStyle(0,LVS_OWNERDRAWFIXED); CListCtrl::PreSubclassWindow(); CHeaderCtrl *pHeader = GetHeaderCtrl(); m_Header.SubclassWindow(pHeader->GetSafeHwnd()); } void CListCtrlCl::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { // TODO: 添加您的代码以绘制指定项 TCHAR lpBuffer[256]; LV_ITEM lvi; lvi.mask = LVIF_TEXT | LVIF_PARAM ; lvi.iItem = lpDrawItemStruct->itemID ; lvi.iSubItem = 0; lvi.pszText = lpBuffer ; lvi.cchTextMax = sizeof(lpBuffer); VERIFY(GetItem(&lvi)); LV_COLUMN lvc, lvcprev ; ::ZeroMemory(&lvc, sizeof(lvc)); ::ZeroMemory(&lvcprev, sizeof(lvcprev)); lvc.mask = LVCF_WIDTH | LVCF_FMT; lvcprev.mask = LVCF_WIDTH | LVCF_FMT; CDC* pDC; pDC = CDC::FromHandle(lpDrawItemStruct->hDC); CRect rtClient; GetClientRect(&rtClient); for ( int nCol=0; GetColumn(nCol, &lvc); nCol++) { if ( nCol > 0 ) { // Get Previous Column Width in order to move the next display item GetColumn(nCol-1, &lvcprev) ; lpDrawItemStruct->rcItem.left += lvcprev.cx ; lpDrawItemStruct->rcItem.right += lpDrawItemStruct->rcItem.left; } CRect rcItem; if (!GetSubItemRect(lpDrawItemStruct->itemID,nCol,LVIR_LABEL,rcItem)) continue; ::ZeroMemory(&lvi, sizeof(lvi)); lvi.iItem = lpDrawItemStruct->itemID; lvi.mask = LVIF_TEXT | LVIF_PARAM; lvi.iSubItem = nCol; lvi.pszText = lpBuffer; lvi.cchTextMax = sizeof(lpBuffer); VERIFY(GetItem(&lvi)); CRect rcTemp; rcTemp = rcItem; if (nCol==0) { rcTemp.left -=2; } if ( lpDrawItemStruct->itemState & ODS_SELECTED ) { pDC->FillSolidRect(&rcTemp, GetSysColor(COLOR_HIGHLIGHT)) ; pDC->SetTextColor(GetSysColor(COLOR_HIGHLIGHTTEXT)) ; } else { COLORREF color; color = GetBkColor(); pDC->FillSolidRect(rcTemp,color); if (FindItemColor(nCol,lpDrawItemStruct->itemID,color)) { pDC->FillSolidRect(rcTemp,color); } } pDC->SelectObject(GetStockObject(DEFAULT_GUI_FONT)); UINT uFormat = DT_CENTER ; if (m_Header.m_Format[nCol]=='0') { uFormat = DT_LEFT; } else if (m_Header.m_Format[nCol]=='1') { uFormat = DT_CENTER; } else if (m_Header.m_Format[nCol]=='2') { uFormat = DT_RIGHT; } TEXTMETRIC metric; pDC->GetTextMetrics(&metric); int ofst; ofst = rcItem.Height() - metric.tmHeight; rcItem.OffsetRect(0,ofst/2); pDC->SetTextColor(m_color); CFont nFont ,* nOldFont; nFont.CreateFont(m_fontHeight,m_fontWith,0,0,0,FALSE,FALSE,0,0,0,0,0,0,_TEXT("宋体"));//创建字体 nOldFont = pDC->SelectObject(&nFont); DrawText(lpDrawItemStruct->hDC, lpBuffer, strlen(lpBuffer), &rcItem, uFormat) ; pDC->SelectStockObject(SYSTEM_FONT) ; } //m_ptrListItem.RemoveAll(); } void CListCtrlCl::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CListCtrl::OnMeasureItem(nIDCtl, lpMeasureItemStruct); } void CListCtrlCl::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct) { if (m_nRowHeight>0) { lpMeasureItemStruct->itemHeight = m_nRowHeight; } } int CListCtrlCl::InsertColumn(int nCol, LPCTSTR lpszColumnHeading, int nFormat /* = LVCFMT_LEFT */, int nWidth /* = -1 */, int nSubItem /* = -1 */) { m_Header.m_HChar.Add(lpszColumnHeading); if (nFormat==LVCFMT_LEFT) { m_Header.m_Format = m_Header.m_Format + "0"; } else if (nFormat==LVCFMT_CENTER) { m_Header.m_Format = m_Header.m_Format + "1"; } else if (nFormat==LVCFMT_RIGHT) { m_Header.m_Format = m_Header.m_Format + "2"; } else { m_Header.m_Format = m_Header.m_Format + "1"; } return CListCtrl::InsertColumn(nCol,lpszColumnHeading,nFormat,nWidth,nSubItem); } bool CListCtrlCl::FindItemColor(int col,int row,COLORREF &color) //查找颜色 { int flag = 0; for (POSITION pos = m_ptrListItem.GetHeadPosition();pos!=NULL;) { stColor *pColor = (stColor*)m_ptrListItem.GetNext(pos); if (pColor->nCol==col&&pColor->nRow==row) { flag = 1; color = pColor->rgb; break; } } if ( flag == 1 ) { return true; } return false; } void CListCtrlCl::SetItemColor(int col,int row,COLORREF color) //设置格子颜色 { stColor *pColor = new stColor; if ( pColor != NULL ) { pColor->nCol = col; pColor->nRow = row; pColor->rgb = color; m_ptrListItem.AddTail(pColor); } } BOOL CListCtrlCl::RemoveList() // 根据特定结点 { if( m_ptrListItem.IsEmpty() == 0 ) { POSITION pos; for( pos = m_ptrListItem.GetHeadPosition(); pos != NULL; ) { stColor *pColor = (stColor*)m_ptrListItem.GetNext(pos); if (pColor != NULL ) { delete pColor; } } m_ptrListItem.RemoveAll(); } return TRUE; }