griddefaultcell.cpp

一种简单的股票软件源代码,编译后可以实时显示证券行情

// GridDefaultCell.cpp: implementation of the CGridDefaultCell class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "GridDefaultCell.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNCREATE(CGridDefaultCell, CGridCell)
CGridDefaultCell::CGridDefaultCell()
{
	m_crFgClr = CLR_DEFAULT;
    m_crBkClr = CLR_DEFAULT;
    m_Size    = CSize(30,20);
    m_dwStyle = 0;

#ifdef _WIN32_WCE
    LOGFONT lf;
    GetObject(GetStockObject(SYSTEM_FONT), sizeof(LOGFONT), &lf);
    SetFont(&lf);
#else // not CE
    NONCLIENTMETRICS ncm;
    ncm.cbSize = sizeof(NONCLIENTMETRICS);
    VERIFY(SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, 0));
    SetFont(&(ncm.lfMessageFont));
#endif

}

CGridDefaultCell::~CGridDefaultCell()
{

}

void CGridDefaultCell::SetFont(const LOGFONT* plf)
{
    ASSERT(plf);

    if (!plf) return;

    m_Font.DeleteObject();//释放内存
    m_Font.CreateFontIndirect(plf);//创建字体

    CGridCell::SetFont(plf);//设置字体

    // Get the font size and hence the default cell size
    CDC* pDC = CDC::FromHandle(::GetDC(NULL));
    if (pDC)
    {
        CFont* pOldFont = pDC->SelectObject(&m_Font);

        m_Size = pDC->GetTextExtent(_T(" XXXXXXXXXXXX "), 16);
        m_Size.cy = (m_Size.cy * 3) / 2;

        pDC->SelectObject(pOldFont);
        ReleaseDC(NULL, pDC->GetSafeHdc());
    }
    else
    {
        m_Size = CSize(40,16);
    }
}
LOGFONT* CGridDefaultCell::GetFont() const
{
   
	ASSERT(m_plfFont);  // This is the default - it CAN'T be NULL!
    return m_plfFont;
}