MFC仿QQ好友列表控件

// FriendList.cpp : 实现文件 // #include "stdafx.h" #include "FriendList.h" #include "resource.h" #define ITEMOFFSET 5 //元素偏移 #define Height 60 //图像高度 #define Width 125 //图像宽度 // CFriendList IMPLEMENT_DYNAMIC(CFriendList, CListCtrl) CFriendList::CFriendList() :m_bmpUnSel2(NULL) { numFlag = 0; } CFriendList::~CFriendList() { for (int i=0; i<theApp.m_RoomsNum; ++i) { m_bmpUnSel2[i].DeleteObject(); } } BEGIN_MESSAGE_MAP(CFriendList, CListCtrl) ON_WM_LBUTTONDBLCLK() ON_WM_MEASUREITEM_REFLECT() ON_WM_LBUTTONDOWN() ON_WM_KEYDOWN() ON_WM_RBUTTONDOWN() ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, &CFriendList::OnNMCustomdraw) ON_WM_NCCALCSIZE() ON_WM_VSCROLL() END_MESSAGE_MAP() void CFriendList::PreSubclassWindow() { CDC dcMem; CClientDC dc(this); CBrush hBrushBack,hBrushGray; CPen hPen,hPenWrite; hBrushBack.CreateSolidBrush(RGB(255,255,255)); hBrushGray.CreateSolidBrush(GRAY_BRUSH); hPen.CreatePen(PS_SOLID,1,RGB(0,0,0)); hPenWrite.CreatePen(PS_SOLID,1,RGB(255,255,255)); CFont font; font.CreatePointFont(90,TEXT("宋体"),NULL); // 设置列表项高度 m_bmpPortrait.CreateBitmap(1,Height + 2 * ITEMOFFSET,0,0,NULL); m_imgPortrait.Create(1,Height + 2 * ITEMOFFSET - 1,ILC_COLOR24,1,1); m_imgPortrait.Add(&m_bmpPortrait,RGB(11,11,11)); SetImageList(&m_imgPortrait,2); CRect rect; GetWindowRect(&rect); InsertColumn(0,TEXT("PID"),LVCFMT_LEFT); SetColumnWidth(0,rect.right - rect.left-4); SetExtendedStyle( LVS_EX_FULLROWSELECT |LVS_OWNERDRAWFIXED |LVS_EX_SUBITEMIMAGES |LBS_OWNERDRAWVARIABLE); CListCtrl::PreSubclassWindow(); hBrushBack.DeleteObject(); hBrushGray.DeleteObject(); hPen.DeleteObject(); hPenWrite.DeleteObject(); } void CFriendList::OnLButtonDblClk(UINT nFlags, CPoint point) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CRect rectBottom,rectList; GetItemRect(GetItemCount()-1,&rectBottom,LVIR_BOUNDS); GetWindowRect(&rectList); LVHITTESTINFO LVHTestInfo; LVHTestInfo.pt = point; HitTest(&LVHTestInfo); int nRow=LVHTestInfo.iItem; //行数 SubItemHitTest(&LVHTestInfo); int nCol=LVHTestInfo.iSubItem; //列数 if (nRow == -1) { CListCtrl::OnLButtonDblClk(nFlags, point); return; } CListCtrl::OnLButtonDblClk(nFlags, point); } void CFriendList::AddNewUser(int index, CString str ) { //int nCount = GetItemCount(); HBITMAP bitmap; try { if (index == 0) { if (m_bmpUnSel2 != NULL) { delete[] m_bmpUnSel2; m_bmpUnSel2 = NULL; } numFlag = 0; int m = theApp.m_RoomsNum; m_bmpUnSel2 = new CBitmap[m]; } m_bmpUnSel2[numFlag].Detach(); //从文件路径加载图片 bitmap =(HBITMAP)::LoadImage(NULL,_T("res\\temp.bmp"), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION|LR_LOADFROMFILE|LR_DEFAULTSIZE); if(!m_bmpUnSel2[numFlag].Attach(bitmap)) { MessageBox(_T("图片加载失败")); } numFlag ++; } catch(...) { MessageBox(_T("图片加载失败")); } InsertItem(index,str,0); } void CFriendList::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct) { lpMeasureItemStruct->itemHeight = Height; } void CFriendList::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { int m_Position = 0; m_Position = GetScrollPos(SB_VERT); // SCROLLINFO sinfo; // sinfo.cbSize = sizeof(SCROLLINFO); // sinfo.fMask = SIF_ALL; // GetScrollInfo(SB_VERT, &sinfo); // int min = sinfo.nMin; // int max = sinfo.nMax; if (numFlag == theApp.m_RoomsNum) { numFlag = 0; } CDC *pDc = CDC::FromHandle(lpDrawItemStruct->hDC); pDc->SetBkMode(TRANSPARENT); ///////////////////////////////////////// LVITEM lvi = {0}; lvi.mask = LVIF_STATE;//|LVIF_IMAGE; lvi.stateMask = LVIS_FOCUSED | LVIS_SELECTED ; lvi.iItem = lpDrawItemStruct->itemID; BOOL bGet = GetItem(&lvi); BOOL bHighlight =((lvi.state & LVIS_DROPHILITED)||((lvi.state & LVIS_SELECTED) && ((GetFocus() == this)|| (GetStyle() & LVS_SHOWSELALWAYS)))); // 画文本背景 CRect rcBack = lpDrawItemStruct->rcItem; pDc->SetBkMode(TRANSPARENT); if( bHighlight ) //如果被选择 { COLORREF ref=RGB(0,0,0); pDc->SetTextColor(ref); pDc->SetBkColor(ref); pDc->FillRect(rcBack, &CBrush(0xFCF3EC));//252,243,236 } else { pDc->SetTextColor(0x000000); pDc->FillRect(rcBack, &CBrush(0xFFFFFF)); } ///////////////////////////// CRect rect = lpDrawItemStruct->rcItem; numFlag = (int)(rect.top / 70) + m_Position; CDC dcMem; dcMem.CreateCompatibleDC(pDc); pDc->SetTextColor(RGB(77,77,77)); CBitmap *pOldBitmap = dcMem.SelectObject(&m_bmpUnSel2[numFlag]); BITMAP bmp; m_bmpUnSel2[numFlag].GetBitmap(&bmp); //原图片的宽、高 int s_Width = bmp.bmWidth; int s_Height = bmp.bmHeight; //pDc->BitBlt(rect.left + 1,rect.top + ITEMOFFSET,Width,Height,&dcMem,0,0,SRCCOPY); //将原图片缩小后进行显示 pDc -> SetStretchBltMode(HALFTONE); pDc -> StretchBlt(rect.left + 1,rect.top + ITEMOFFSET,Width,Height,&dcMem,0,0, s_Width,s_Height,SRCCOPY); CString tmp; tmp = GetItemText(lpDrawItemStruct->itemID,0); if (tmp.GetLength() >= 5)//房间名称多于5个字则截取 { tmp = tmp.Left(5) + TEXT("..."); } rect.left += Width + 2 * ITEMOFFSET; rect.top += 2 * ITEMOFFSET; pDc->DrawText(tmp,rect,DT_MODIFYSTRING/*DT_LEFT | DT_MODIFYSTRING | DT_END_ELLIPSIS*/); } void CFriendList::OnLButtonDown(UINT nFlags, CPoint point) { CListCtrl::OnLButtonDown(nFlags, point); } void CFriendList::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) { // TODO: 在此添加消息处理程序代码和/或调用默认值 //CListCtrl::OnKeyDown(nChar, nRepCnt, nFlags); } void CFriendList::OnRButtonDown(UINT nFlags, CPoint point) { return; CListCtrl::OnRButtonDown(nFlags, point); } CString CFriendList::GetStringLeft( CString &str, int nLeft ) { CString sRet=_T(""); int nPos=0; while(nPos<str.GetLength() && nLeft) { if(str.GetAt(nPos)<0){ sRet=sRet+str.GetAt(nPos)+str.GetAt(nPos+1); nPos++; }else sRet+=str.GetAt(nPos); nPos++; nLeft--; } return sRet; } void CFriendList::OnNMCustomdraw(NMHDR *pNMHDR, LRESULT *pResult) { //LPNMCUSTOMDRAW pNMCD = reinterpret_cast<LPNMCUSTOMDRAW>(pNMHDR); // TODO: Add your control notification handler code here //*pResult = 0; //NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>( pNMHDR ); // Take the default processing unless we set this to something else below. //*pResult = CDRF_DODEFAULT; //设置listctrl的格式，由格子等 //SetExtendedStyle(GetExtendedStyle() | LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES); } void CFriendList::OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS* lpncsp) { // TODO: Add your message handler code here and/or call default ModifyStyle(WS_HSCROLL,0,0);//禁止水平滚动条 CListCtrl::OnNcCalcSize(bCalcValidRects, lpncsp); } //void CFriendList::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) //{ // // TODO: Add your message handler code here and/or call default // // CListCtrl::OnVScroll(nSBCode, nPos, pScrollBar); //}