reportheaderctrl.cpp

用户管理系统

// ReportHeaderCtrl.cpp : implementation file
//

#include "stdafx.h"
//#include "Kvip.h"
#include "ReportHeaderCtrl.h"

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

/////////////////////////////////////////////////////////////////////////////
// CReportHeaderCtrl

CReportHeaderCtrl::CReportHeaderCtrl()
{
	m_iSortColumn = -1;
	m_iSortAscending = 0;
}

CReportHeaderCtrl::~CReportHeaderCtrl()
{
}


BEGIN_MESSAGE_MAP(CReportHeaderCtrl, CHeaderCtrl)
	//{{AFX_MSG_MAP(CReportHeaderCtrl)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CReportHeaderCtrl message handlers
int CReportHeaderCtrl::GetSortedColumn() const
{
	return m_iSortColumn;
}

int CReportHeaderCtrl::IsSortAscending() const
{
	return m_iSortAscending;
}

void CReportHeaderCtrl::SetSortAscending(int  iAscending)
{
	m_iSortAscending = iAscending;
}

void CReportHeaderCtrl::SetSortedColumn(int nCol)
{
	m_iSortColumn = nCol;
}
void CReportHeaderCtrl::UpdateSortArrow()
{
	// change the item to owner drawn.
	HD_ITEM hditem;

	hditem.mask = HDI_FORMAT;
	VERIFY(GetItem(m_iSortColumn, &hditem));
	//hditem.fmt |= HDF_OWNERDRAW;
	VERIFY(SetItem(m_iSortColumn, &hditem));

	// invalidate the header control so it gets redrawn
	Invalidate();
}
///////////////////////////////////////////////////////////////////////////////
// DrawCtrl
void CReportHeaderCtrl::DrawCtrl(CDC *pDC)
{


	// draw the sort arrow.
	CRect rcIcon;
	if(m_iSortColumn <= 0 || m_iSortAscending == 0)
		return ;


	VERIFY(GetItemRect(m_iSortColumn, rcIcon));
	const int iOffset = (rcIcon.bottom - rcIcon.top) / 4;
	// set up the pens to use for drawing the arrow.
	CPen penLight(PS_SOLID, 1, GetSysColor(COLOR_3DHILIGHT));
	CPen penShadow(PS_SOLID, 1, GetSysColor(COLOR_3DSHADOW));
	CPen* pOldPen = pDC->SelectObject(&penLight);

	if(m_iSortAscending > 0)
		{
			// draw the arrow pointing upwards.
			pDC->MoveTo(rcIcon.right - 2 * iOffset, iOffset);
			pDC->LineTo(rcIcon.right - iOffset, rcIcon.bottom - iOffset - 1);
			pDC->LineTo(rcIcon.right - 3 * iOffset - 2, rcIcon.bottom - iOffset - 1);
			(void)pDC->SelectObject(&penShadow);
			pDC->MoveTo(rcIcon.right - 3 * iOffset - 1, rcIcon.bottom - iOffset - 1);
			pDC->LineTo(rcIcon.right - 2 * iOffset, iOffset - 1);		
		}
	else if(m_iSortAscending < 0)
		{
			// draw the arrow pointing downwards.
			pDC->MoveTo(rcIcon.right - iOffset - 1, iOffset);
			pDC->LineTo(rcIcon.right - 2 * iOffset - 1, rcIcon.bottom - iOffset);
			(void)pDC->SelectObject(&penShadow);
			pDC->MoveTo(rcIcon.right - 2 * iOffset - 2, rcIcon.bottom - iOffset);
			pDC->LineTo(rcIcon.right - 3 * iOffset - 1, iOffset);
			pDC->LineTo(rcIcon.right - iOffset - 1, iOffset);		
		}
	return ;
}

void CReportHeaderCtrl::OnPaint() 
{
	
	// TODO: Add your message handler code here
//	CPaintDC dc(this); // device context for painting
	CHeaderCtrl::OnPaint();   

	
//强制绘制后加入，顺序或倒序标志	
	CDC *pDC = GetWindowDC();
	DrawCtrl(pDC);  

	// Do not call CHeaderCtrl::OnPaint() for painting messages
}