showtop.cpp

此代码使用bmp图作为主要界面

// ShowTop.cpp : implementation file
//

#include "stdafx.h"
#include "SuperViseSystem.h"
#include "ShowTop.h"

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

/////////////////////////////////////////////////////////////////////////////
// CShowTop

CShowTop::CShowTop()
{
	close_rect.left = 976;
	close_rect.top = 7;
	close_rect.right = 1005;
	close_rect.bottom = 35;

	min_rect.left = 900;
	min_rect.top = 7;
	min_rect.right = 928;
	min_rect.bottom = 35;

	m_bIsSetImage = true;
}

CShowTop::~CShowTop()
{
}


BEGIN_MESSAGE_MAP(CShowTop, CWnd)
	//{{AFX_MSG_MAP(CShowTop)
	ON_WM_LBUTTONDOWN()
	ON_WM_PAINT()
//	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CShowTop message handlers

BOOL CShowTop::Create(DWORD dwStyle, CRect& rect, CWnd* pParent, UINT id) 
{
	BOOL result ;
	result = CWnd::CreateEx(NULL , 
		NULL, NULL, dwStyle, 
		rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top,
		pParent->GetSafeHwnd(), (HMENU)id) ;
	
    if( !result )
	AfxMessageBox("Error creating window");

	m_rcImgWnd.top = m_rcImgWnd.left  = 0;
	m_rcImgWnd.bottom = m_rcImgWnd.top + rect.Height();
	m_rcImgWnd.right = m_rcImgWnd.left + rect.Width();

	//m_MemDC为CDC类的一个对象.
	m_MemDC.CreateCompatibleDC(GetDC());// 创建什么东西？

	return result;
}
//-----------
void CShowTop::SetImage(HBITMAP *hbp) 
{
	m_bpImageWnd.Attach(hbp);
	m_bIsSetImage = true;
	this->Invalidate();
}
//-----------
void CShowTop::OnPaint() 
{
	CPaintDC dc(this);	
	if(m_bIsSetImage)
	{
		m_MemDC.SelectObject(m_bpImageWnd);
		dc.BitBlt(0,0,m_rcImgWnd.Width(),m_rcImgWnd.Height(),&m_MemDC,0,0,SRCCOPY);
	}
}
//-----------
void CShowTop::OnLButtonDown(UINT nFlags, CPoint point) 
{

//窗口关闭
	if (((close_rect.left < point.x) && (point.x< close_rect.right)) && 
		(close_rect.top < point.y) && (point.y < close_rect.bottom))
	{       
		AfxGetMainWnd()->PostMessage(WM_CLOSE);
	}
//窗口最小化
	if((point.x > min_rect.left) && (point.x < min_rect.right) &&
		(point.y > min_rect.top) && (point.y < min_rect.bottom))
	{
		AfxGetMainWnd()->PostMessage(WM_SYSCOMMAND,SC_MINIMIZE,0);
	}
	
	CWnd::OnLButtonDown(nFlags, point);
}