jnxpbutton.cpp

此次上传的使linux下的文件传输协议

#include "stdafx.h"
#include "JnXPButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// JnXPButton

JnXPButton::JnXPButton()
{
	m_bOver = FALSE;
	m_BoundryPen.CreatePen(PS_INSIDEFRAME|PS_SOLID,1,RGB(0,0,0));
	m_InsideBoundryPenLeft.CreatePen(PS_INSIDEFRAME|PS_SOLID,3,RGB(175,210,250)); 
	m_InsideBoundryPenRight.CreatePen(PS_INSIDEFRAME|PS_SOLID,3,RGB(175,210,250)); 
	m_InsideBoundryPenTop.CreatePen(PS_INSIDEFRAME|PS_SOLID,2,RGB(175,210,250)); 
	m_InsideBoundryPenBottom.CreatePen(PS_INSIDEFRAME|PS_SOLID,2,RGB(175,210,250)); 
	m_FillActive.CreateSolidBrush(RGB(255,255,255));
	m_FillInactive.CreateSolidBrush(RGB(222,223,236));
	m_bDown=FALSE;
	pOldPen=NULL;
	pOldBrush=NULL;

}

JnXPButton::~JnXPButton()
{
	m_BoundryPen.DeleteObject();
	m_FillActive.DeleteObject();
	m_FillInactive.DeleteObject();
	m_InsideBoundryPenLeft.DeleteObject();
	m_InsideBoundryPenRight.DeleteObject();
	m_InsideBoundryPenBottom.DeleteObject();
	m_InsideBoundryPenTop.DeleteObject();
}

BEGIN_MESSAGE_MAP(JnXPButton, CButton)
	//{{AFX_MSG_MAP(JnXPButton)
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// JnXPButton message handlers

void JnXPButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	if(!m_bOver)
	{
		m_bOver = TRUE;
		Invalidate(FALSE);
		TRACKMOUSEEVENT tm;
		tm.cbSize = sizeof(tm);
		tm.dwFlags = TME_LEAVE;
		tm.hwndTrack = m_hWnd;
		::_TrackMouseEvent(&tm);
	}
	CButton::OnMouseMove(nFlags, point);
}

void JnXPButton::PreSubclassWindow() 
{
	UINT nBS = GetButtonStyle();
	SetButtonStyle(nBS | BS_OWNERDRAW);
	CButton::PreSubclassWindow();
}


void JnXPButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	CDC* pDC   = CDC::FromHandle(lpDrawItemStruct->hDC);
    CRect rect = lpDrawItemStruct->rcItem;
    UINT state = lpDrawItemStruct->itemState;

	CString strText;
	GetWindowText(strText);

	CPoint pt;
	pt.x = 5;
	pt.y = 5;
	pOldPen = pDC->SelectObject(&m_BoundryPen);
    if (state & ODS_SELECTED)
	{
		pDC->RoundRect(rect,pt);
	}
    else
	{
		pDC->RoundRect(rect,pt);
	}
    pDC->SelectObject(pOldPen);
    rect.DeflateRect( CSize(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)));
	if(m_bOver)
	{
		pOldBrush = pDC->SelectObject(&m_FillActive);   
		DoGradientFill(pDC,rect);
		DrawInsideBorder(pDC,rect);
	}
	else
	{
		pOldBrush = pDC->SelectObject(&m_FillInactive);   
		DoGradientFill(pDC,rect);
	}
	pDC->SelectObject(pOldBrush);

    if(!strText.IsEmpty())
    {
        CSize Extent = pDC->GetTextExtent(strText);
        CPoint pt( rect.CenterPoint().x - Extent.cx/2, rect.CenterPoint().y-Extent.cy/2);
        if (state & ODS_SELECTED)
		{
            pt.Offset(1,1);
		}
        int nMode = pDC->SetBkMode(TRANSPARENT);
        if (state & ODS_DISABLED)
		{
            pDC->DrawState(pt, Extent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
		}
        else
		{ 
			if(m_bOver)
			{
				pDC->SetTextColor(RGB(0,0,255));
			}
            pDC->TextOut(pt.x, pt.y, strText);
		}
        pDC->SetBkMode(nMode);
    }
}

void JnXPButton::DoGradientFill(CDC *pDC, CRect rect)
{
	if(m_bDown)
	{
		CBrush* pBrush=new CBrush(RGB(231,228,223));
		pDC->FillRect (&rect, pBrush);
		pBrush->DeleteObject();
		delete pBrush;
	}
	else
	{
		CBrush* pBrush[64];
		for (int i=0; i<64; i++)
		{
			pBrush[i] = new CBrush(RGB(255-(i/6), 255-(i/6), 255-(i/6)));//pBrush[i] = new CBrush(RGB(0, 255 - (i * 4), 0));
		}
		int nWidth = (rect.right) - (rect.left);
		int nHeight = (rect.bottom) - (rect.top);
		int nPos=0;
		CRect rct;
		for (i=rect.top; i<nHeight+2; i++) 
		{
			rct.SetRect (rect.left, i, nWidth+2, i + 1);
			nPos=(i * 63) / nHeight;
			if(nPos> 0 && nPos<64)
				pDC->FillRect (&rct, pBrush[nPos]);
		}
		for (i=0; i<64; i++)
		{
			pBrush[i]->DeleteObject();
			delete pBrush[i];
		}
	}
}

void JnXPButton::DrawInsideBorder(CDC *pDC,CRect rect)
{
	pOldPen = pDC->SelectObject(&m_InsideBoundryPenLeft);
	pDC->MoveTo(rect.left,rect.bottom-3);
	pDC->LineTo(rect.left,rect.top+2);
	pDC->SelectObject(&m_InsideBoundryPenRight);
	pDC->MoveTo(rect.right-1,rect.bottom-3);
	pDC->LineTo(rect.right-1,rect.top+2);
	pDC->SelectObject(&m_InsideBoundryPenTop);
	pDC->MoveTo(rect.left+2,rect.top);
	pDC->LineTo(rect.right-2,rect.top);
	pDC->SelectObject(&m_InsideBoundryPenBottom);
	pDC->MoveTo(rect.left+2,rect.bottom);
	pDC->LineTo(rect.right-2,rect.bottom);
	pDC->SelectObject(pOldPen);
}

LRESULT JnXPButton::OnMouseLeave(WPARAM, LPARAM)
{
	m_bOver = FALSE;
	m_bDown=FALSE;
	Invalidate(FALSE);
	return 0;
}


void JnXPButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	if(m_bOver)
	{
		m_bDown=TRUE;
		Invalidate(FALSE);
	}
	CButton::OnLButtonDown(nFlags, point);
}

void JnXPButton::OnLButtonUp(UINT nFlags, CPoint point) 
{
	if(m_bOver)
	{
		m_bDown=FALSE;
		Invalidate(FALSE);
	}
	CButton::OnLButtonUp(nFlags, point);
}