gridcell.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

// GridCell.cpp: implementation of the CGridCell class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"

#include "GridCell.h"
#include "GridDefaultCell.h"


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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNCREATE(CGridCell, CGridCellBase)

CGridCell::CGridCell()
{
	m_plfFont = NULL;
	m_strText.Empty();
    m_pGrid    = NULL;
    
    
    m_crBkClr = CLR_DEFAULT;     // Background colour (or CLR_DEFAULT)
    m_crFgClr = CLR_DEFAULT;     // Forground colour (or CLR_DEFAULT)
    
    delete m_plfFont;
    m_plfFont = NULL;            // Cell font

}

CGridCell::~CGridCell()
{
	delete m_plfFont;

}

void CGridCell::operator=(const CGridCell& cell)
{
    if (this != &cell) CGridCellBase::operator=(cell);
}

void CGridCell::SetFont(const LOGFONT* plf)
{
    if (plf == NULL)
    {
        delete m_plfFont;
        m_plfFont = NULL;
    }
    else
    {
        if (!m_plfFont)
            m_plfFont = new LOGFONT;
        if (m_plfFont)
            memcpy(m_plfFont, plf, sizeof(LOGFONT)); 
    }
}

LOGFONT* CGridCell::GetFont() const
{
    if (m_plfFont == NULL)
    {
        CGridDefaultCell *pDefaultCell = (CGridDefaultCell*) GetDefaultCell();
        if (!pDefaultCell)
            return NULL;

        return pDefaultCell->GetFont();
    }

    return m_plfFont; 
}

CFont* CGridCell::GetFontObject() const
{
    // If the default font is specified, use the default cell implementation
    if (m_plfFont == NULL)
    {
        CGridDefaultCell *pDefaultCell = (CGridDefaultCell*) GetDefaultCell();
        if (!pDefaultCell)
            return NULL;

        return pDefaultCell->GetFontObject();
    }
    else
    {
        static CFont Font;
        Font.DeleteObject();
        Font.CreateFontIndirect(m_plfFont);
        return &Font;
    }
}