gridctrl.cpp

一个完整的数字硬盘录像机系统软件

// GridCtrl.cpp : implementation file
//
// MFC Grid Control
/////////////////////////////////////////////////////////////////////////////
    
#include "stdafx.h"
#include "MemDC.h"
#include "GridCtrl.h"
// OLE stuff for clipboard operations
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//////////////////////////////////////////////////////////////////////////////
#define SELECTED_CELL_FONT_WEIGHT 600    // wieght of text for selected items
///////////////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNCREATE(CGridCtrl, CWnd)
////////////////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////////////
void AFXAPI DDX_GridControl(CDataExchange* pDX, int nIDC, CGridCtrl& rControl)
{
    if (rControl.GetSafeHwnd() == NULL)    // not subclassed yet
    {
        ASSERT(!pDX->m_bSaveAndValidate);

        HWND hWndCtrl = pDX->PrepareCtrl(nIDC);

        if (!rControl.SubclassWindow(hWndCtrl))
        {
            ASSERT(FALSE);
            AfxThrowNotSupportedException();
        }
#ifndef _AFX_NO_OCC_SUPPORT
        else
        {
            if (pDX->m_pDlgWnd->GetSafeHwnd() != ::GetParent(rControl.GetSafeHwnd()))
                rControl.AttachControlSite(pDX->m_pDlgWnd);
        }
#endif //!_AFX_NO_OCC_SUPPORT
    }
}
//////////////////////////////////////////////////////////////////
// Get the number of lines to scroll with each mouse wheel notch
// Why doesn't windows give us this function???
/////////////////////////////////////////////////////////////////
UINT GetMouseScrollLines()
{
    int nScrollLines = 3;
    HKEY hKey;
    if (RegOpenKeyEx(HKEY_CURRENT_USER,  _T("Control Panel\\Desktop"),
                     0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
    {
        TCHAR szData[128];
        DWORD dwKeyDataType;
        DWORD dwDataBufSize = sizeof(szData);
        if (RegQueryValueEx(hKey, _T("WheelScrollLines"), NULL, &dwKeyDataType,
                           (LPBYTE) &szData, &dwDataBufSize) == ERROR_SUCCESS)
        {
            nScrollLines = _tcstoul(szData, NULL, 10);
        }
        RegCloseKey(hKey);
    }
    return nScrollLines;
}
/////////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////
CGridCtrl::CGridCtrl(int nRows, int nCols, int nFixedRows, int nFixedCols)
{
    RegisterWindowClass();
    m_pParentWnd=NULL;
    m_bMustUninitOLE = FALSE;
#ifdef GRIDCONTROL_USE_OLE_DRAGDROP
    _AFX_THREAD_STATE* pState = AfxGetThreadState();
    if (!pState->m_bNeedTerm)
    {
        SCODE sc = ::OleInitialize(NULL);
        if (FAILED(sc))
            AfxMessageBox(_T("OLE initialization failed. Make sure that the OLE libraries are the correct version"));
        else
            m_bMustUninitOLE = TRUE;
    }
#endif
    m_crWindowText       = ::GetSysColor(COLOR_WINDOWTEXT);
    m_crWindowColour     = ::GetSysColor(COLOR_WINDOW);
    m_cr3DFace           = ::GetSysColor(COLOR_3DFACE);
    m_crShadow           = ::GetSysColor(COLOR_3DSHADOW);
    m_crGridColour       = RGB(0,0,0);
    m_nRows              = 0;
    m_nCols              = 0;
    m_nFixedRows         = 0;
    m_nFixedCols         = 0;
    m_nDefCellHeight     = 10;
    m_nDefCellHeight     = 30;
    m_nVScrollMax        = 0;
    m_nHScrollMax        = 0;
    m_nMargin            = 0;
    m_nRowsPerWheelNotch = GetMouseScrollLines();
    m_MouseMode          = MOUSE_NOTHING;
    m_nGridLines         = GVL_BOTH;
    m_bEditable          = TRUE;
    m_bListMode          = FALSE;
    m_bAllowDraw         = TRUE;
    m_bEnableSelection   = TRUE;
    m_bAllowRowResize    = TRUE;
    m_bAllowColumnResize = TRUE;
    m_bSortOnClick       = TRUE;
    m_bHandleTabKey      = TRUE;
    m_bDoubleBuffer      = TRUE;
    m_bTitleTips         = TRUE;
    m_bAscending         = TRUE;
    m_SortColumn         = -1;
    m_nTimerID           = 0;
    m_nTimerInterval     = 25;
    m_nResizeCaptureRange = 3;
    m_pImageList         = NULL;      
    m_bAllowDragAndDrop  = FALSE;
	m_nHeaderHeight=60;
	m_nFootHeight=10;
	m_nLeft=40;
	m_nRight=10;
	m_nTop=10;
	m_nBottom=10;
    m_nHeaderGap=0;//头与表首行间的间距
    SetRowCount(nRows);
    SetColumnCount(nCols);
    SetFixedRowCount(nFixedRows);
    SetFixedColumnCount(nFixedCols);
    SetTextColor(m_crWindowText);
    SetTextBkColor(m_crWindowColour);
    SetBkColor(m_crShadow);
    SetFixedTextColor(m_crWindowText);
    SetFixedBkColor(m_cr3DFace);
    m_SelectedCellMap.RemoveAll();
    m_PrevSelectedCellMap.RemoveAll();
}
////////////////////////////////////////
//
///////////////////////////////////////
CGridCtrl::~CGridCtrl()
{
	if (m_pToolTip)
	{
        delete (m_pToolTip);
        m_pToolTip = NULL;
    }
    DeleteAllItems();
    m_pParentWnd=NULL;
    DestroyWindow();
    m_Font.DeleteObject();
    if (m_bMustUninitOLE)
        ::OleUninitialize();
}
///////////////////////////////////////////
//
////////////////////////////////////////////
BOOL CGridCtrl::RegisterWindowClass()
{
    WNDCLASS wndcls;
    HINSTANCE hInst = AfxGetResourceHandle();
    if (!(::GetClassInfo(hInst, GRIDCTRL_CLASSNAME, &wndcls)))
    {
        wndcls.style            = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
        wndcls.lpfnWndProc      = ::DefWindowProc;
        wndcls.cbClsExtra       = wndcls.cbWndExtra = 0;
        wndcls.hInstance        = hInst;
        wndcls.hIcon            = NULL;
        wndcls.hCursor          = NULL;
		CBrush  Brush(RGB(255,255,255));
        wndcls.hbrBackground    = (HBRUSH) (Brush.operator HBRUSH());//COLOR_3DFACE + 1
        wndcls.lpszMenuName     = NULL;
        wndcls.lpszClassName    = GRIDCTRL_CLASSNAME;
        if (!AfxRegisterClass(&wndcls)) 
		{
            AfxThrowResourceException();
            return FALSE;
        }
    }
    return TRUE;
}
////////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////////
BOOL CGridCtrl::Create(const RECT& rect, CWnd* pParentWnd, UINT nID, DWORD dwStyle)
{
    ASSERT(pParentWnd->GetSafeHwnd());
    m_pParentWnd=(CView *)pParentWnd;
	ASSERT(m_pParentWnd!=NULL);
    if (!CWnd::Create(GRIDCTRL_CLASSNAME, NULL, dwStyle, rect, pParentWnd, nID)) 
        return FALSE;
#ifdef GRIDCONTROL_USE_OLE_DRAGDROP
    m_DropTarget.Register(this);
#endif
#ifdef GRIDCONTROL_USE_TITLETIPS
    if (m_bTitleTips)        
        m_TitleTip.Create(this);
#endif
    try 
	{
        m_arRowHeights.SetSize(m_nRows);
        m_arColWidths.SetSize(m_nCols);
    }
    catch (CMemoryException *e) 
	{
        e->ReportError();
        e->Delete();
        return FALSE;
    }
    for (int i = 0; i < m_nRows; i++) 
		m_arRowHeights[i] = m_nDefCellHeight;
    for (i = 0; i < m_nCols; i++)      
		m_arColWidths[i] = m_nDefCellWidth;
    ResetScrollBars();
    return TRUE;
}
//////////////////////////////////////
//
/////////////////////////////////////
void CGridCtrl::PreSubclassWindow() 
{    
    CWnd::PreSubclassWindow();
    CDC *pDC=GetDC();
	m_Logfont.lfHeight=MulDiv (9, pDC->GetDeviceCaps (LOGPIXELSY), 72); //-12;  
    m_Logfont.lfWidth=0;
    m_Logfont.lfEscapement=0;
    m_Logfont.lfOrientation=0;
    m_Logfont.lfWeight=FW_NORMAL;
    m_Logfont.lfItalic=0;
    m_Logfont.lfUnderline=0;
    m_Logfont.lfStrikeOut=0;
    m_Logfont.lfCharSet=134;
    m_Logfont.lfOutPrecision=3;
    m_Logfont.lfClipPrecision=2;
    m_Logfont.lfQuality=0;
    m_Logfont.lfPitchAndFamily=1;
	TCHAR FontName[]="宋体";
	strcpy(m_Logfont.lfFaceName,FontName);
    CFont Font;
	Font.CreateFontIndirect(&m_Logfont);
    OnSetFont((LPARAM)(Font.operator HFONT()), 0);
	ReleaseDC(pDC);
    ResetScrollBars();   
}
///////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////
BOOL CGridCtrl::SubclassWindow(HWND hWnd) 
{    
    if (!CWnd::SubclassWindow(hWnd)) 
		return FALSE;
	CreateTooltips();
    return TRUE;
}
////////////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////////
BOOL CGridCtrl::SendMessageToParent(int nRow, int nCol, int nMessage,CString str)
{
    if (!IsWindow(m_hWnd))
        return 0;
    NM_GRIDVIEW nmgv;
    nmgv.iRow         = nRow;
    nmgv.iColumn      = nCol;
    nmgv.hdr.hwndFrom = m_hWnd;
    nmgv.hdr.idFrom   = GetDlgCtrlID();
    nmgv.hdr.code     = nMessage;
	nmgv.sTxt=str;
    nmgv.bValid=TRUE;
	CWnd *pOwner = GetOwner();
    if (pOwner && IsWindow(pOwner->m_hWnd))
        pOwner->SendMessage(WM_NOTIFY, nmgv.hdr.idFrom, (LPARAM)&nmgv);
	return nmgv.bValid;
}
////////////////////////////////////////
//
///////////////////////////////////////
BEGIN_MESSAGE_MAP(CGridCtrl, CWnd)
    //{{AFX_MSG_MAP(CGridCtrl)
    ON_WM_PAINT()
    ON_WM_HSCROLL()
    ON_WM_VSCROLL()
    ON_WM_SIZE()
    ON_WM_LBUTTONUP()
    ON_WM_LBUTTONDOWN()
    ON_WM_MOUSEMOVE()
    ON_WM_TIMER()
    ON_WM_GETDLGCODE()
    ON_WM_KEYDOWN()
    ON_WM_CHAR()
    ON_WM_LBUTTONDBLCLK()
    ON_WM_ERASEBKGND()
    ON_WM_SETCURSOR()
    ON_WM_SYSCOLORCHANGE()
    ON_WM_CAPTURECHANGED()
    //}}AFX_MSG_MAP
#if _MFC_VER >= 0x0421
    ON_WM_MOUSEWHEEL()
    ON_WM_SETTINGCHANGE()
#endif
    ON_MESSAGE(WM_SETFONT, OnSetFont)
    ON_MESSAGE(WM_GETFONT, OnGetFont)
	ON_NOTIFY_EX_RANGE(TTN_NEEDTEXT,0,0xFFFF,OnToolTipNotify)
END_MESSAGE_MAP()
//////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////
int  CGridCtrl::GetRowCount() const                    
{ 
	return m_nRows; 
}
//////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////
int  CGridCtrl::GetColumnCount() const                 
{ 
	return m_nCols;
}
//////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////
int  CGridCtrl::GetFixedRowCount() const               
{ 
	return m_nFixedRows; 
}
//////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////
int  CGridCtrl::GetFixedColumnCount() const            
{ 
	return m_nFixedCols; 
}
///////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
void CGridCtrl::SetTextColor(COLORREF clr)           
{ 
	m_crTextColour = clr;             
}
///////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
COLORREF CGridCtrl::GetTextColor() const                 
{ 
	return m_crTextColour;            
}
///////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
void CGridCtrl::SetTextBkColor(COLORREF clr)         
{ 
	m_crTextBkColour = clr;           
}
///////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
COLORREF  CGridCtrl::GetTextBkColor() const               
{ 
	return m_crTextBkColour;          
}
///////////////////////////////////////////////////////////////////////
//
///////////////////////////////////////////////////////////////////////
void  CGridCtrl::SetBkColor(COLORREF clr)             
{ 
	m_crBkColour = clr;               
}
///////////////////////////////////////////////////////////////////////
//