MFC List控件间拖动

// sortlistDlg.cpp : implementation file // #include "stdafx.h" #include "sortlist.h" #include "sortlistDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CSortlistDlg dialog CSortlistDlg::CSortlistDlg(CWnd* pParent /*=NULL*/) : CDialog(CSortlistDlg::IDD, pParent) { //{{AFX_DATA_INIT(CSortlistDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); m_bDragging = FALSE; } void CSortlistDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CSortlistDlg) DDX_Control(pDX, IDC_LIST2, m_clistctrl2); DDX_Control(pDX, IDC_LIST1, m_clistctrl); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CSortlistDlg, CDialog) //{{AFX_MSG_MAP(CSortlistDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_NOTIFY(NM_DBLCLK, IDC_LIST1, OnDblclkList1) ON_NOTIFY(NM_DBLCLK, IDC_LIST2, OnDblclkList2) //}}AFX_MSG_MAP ON_NOTIFY(LVN_BEGINDRAG, IDC_LIST1, OnBeginDrag) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CSortlistDlg message handlers BOOL CSortlistDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon //List Ctrl stuff m_cimagelist.Create(IDB_BITMAP1, 10, 1, RGB(100,100,100)); m_clistctrl.SetImageList(&m_cimagelist, LVSIL_SMALL); m_clistctrl2.SetImageList(&m_cimagelist, LVSIL_NORMAL); LV_COLUMN lvcol; lvcol.mask = LVCF_SUBITEM | LVCF_TEXT | LVCF_WIDTH; lvcol.pszText = "#"; lvcol.iSubItem = 0; lvcol.cx = 130; m_clistctrl.InsertColumn(0, &lvcol); LV_COLUMN lvcol2; lvcol2.mask = LVCF_SUBITEM | LVCF_TEXT | LVCF_WIDTH; lvcol2.pszText = "ID"; lvcol2.iSubItem = 1; lvcol2.cx = 130; m_clistctrl.InsertColumn(1, &lvcol2); int i = 0; int iImage = 0; for (int ii = 1000; ii < 1030; ii++, i++) { LV_ITEM lvi; lvi.mask = LVIF_TEXT | LVIF_IMAGE; char sz[20]; _itoa(i, sz, 10); lvi.iItem = 0; lvi.iSubItem = 0; lvi.pszText = sz; lvi.iImage = iImage; if (iImage == 0) { iImage++; } else { iImage--; } int iii = m_clistctrl.InsertItem(&lvi); LV_ITEM lvi2; lvi2.mask = LVIF_TEXT; char sz2[20]; _itoa(ii, sz2, 10); m_clistctrl.SetItemText(iii, 1, sz2); } ListView_SetExtendedListViewStyle (m_clistctrl.m_hWnd, LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES | LVS_EX_HEADERDRAGDROP); return TRUE; // return TRUE unless you set the focus to a control } void CSortlistDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CSortlistDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CSortlistDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CSortlistDlg::OnLButtonUp(UINT nFlags, CPoint point) { if( m_bDragging ) { //RELEASE THE MOUSE CAPTURE AND END THE DRAGGING ::ReleaseCapture(); m_bDragging = FALSE; m_pDragImage->DragLeave(GetDesktopWindow()); m_pDragImage->EndDrag(); delete m_pDragImage; //GET THE WINDOW UNDER THE DROP POINT CPoint pt(point); ClientToScreen(&pt); m_pDropWnd = WindowFromPoint(pt); //DROP THE ITEM ON THE LIST /* if( m_pDropWnd->IsKindOf(RUNTIME_CLASS(CListCtrl)) ) DropItemOnList(); */ POINT pt1; ::GetCursorPos(&pt1); CRect iRect; m_clistctrl.GetWindowRect(iRect); //　　　　 this->GetWindowRect(iRect); if(iRect.PtInRect(pt)) DropItemOnList();//确定鼠标移动到了合适的位置 m_clistctrl2.GetWindowRect(iRect); if(iRect.PtInRect(pt)) DropItemOnList2();//确定鼠标移动到了合适的位置 } CDialog::OnLButtonUp(nFlags, point); } void CSortlistDlg::OnBeginDrag(NMHDR* pnmhdr, LRESULT* pResult) { //RECORD THE INDEX OF THE ITEM BEIGN DRAGGED AS m_nDragIndex m_nDragIndex = ((NM_LISTVIEW *)pnmhdr)->iItem; //CREATE A DRAG IMAGE FROM THE CENTER POINT OF THE ITEM IMAGE POINT pt; pt.x = 8; pt.y = 8; m_pDragImage = m_clistctrl.CreateDragImage(m_nDragIndex, &pt); m_pDragImage->BeginDrag(0, CPoint (8, 8)); m_pDragImage->DragEnter( GetDesktopWindow(), ((NM_LISTVIEW *)pnmhdr)->ptAction); //SET THE FLAGS INDICATING A DRAG IN PROGRESS m_bDragging = TRUE; m_nDropIndex = -1; m_pDropWnd = &m_clistctrl; //CAPTURE ALL MOUSE MESSAGES IN CASE THE USER DRAGS OUTSIDE OF THE VIEW SetCapture(); } void CSortlistDlg::OnMouseMove(UINT nFlags, CPoint point) { if( m_bDragging ) { m_ptDropPoint = point; ClientToScreen(&m_ptDropPoint);