mainfrm.cpp

c++系统开发实例精粹内附的80例源代码 环境:windows2000,c++6.0

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "FlashStatus.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNAMIC(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_WM_SETFOCUS()
	ON_WM_DRAWITEM()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_FLASH,
	ID_INDICATOR_POSITION,
//	ID_INDICATOR_CAPS,
//	ID_INDICATOR_NUM,
//	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
}

CMainFrame::~CMainFrame()
{
}

#define BITMAP_SEP 1
#define EVENT_STATUS_FLASH 0

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;

	// create a view to occupy the client area of the frame
	if (!m_wndView.Create(NULL, NULL, AFX_WS_DEFAULT_VIEW,
		CRect(0, 0, 0, 0), this, AFX_IDW_PANE_FIRST, NULL))
	{
		TRACE0("Failed to create view window\n");
		return -1;
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// 设置状态栏属性
	m_wndStatusBar.SetPaneInfo(1,ID_INDICATOR_FLASH,
		SBPS_NORMAL | SBT_OWNERDRAW,16*10 + 9 * BITMAP_SEP);

	// 为主窗体设置图标
	HICON hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	this->SetIcon(hIcon,FALSE);

	// 设置状态栏变化定时器
	this->SetTimer(EVENT_STATUS_FLASH,1000,NULL);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	cs.dwExStyle &= ~WS_EX_CLIENTEDGE;
	cs.lpszClass = AfxRegisterWndClass(0);

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers
void CMainFrame::OnSetFocus(CWnd* pOldWnd)
{
	// forward focus to the view window
	m_wndView.SetFocus();
}

BOOL CMainFrame::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo)
{
	// let the view have first crack at the command
	if (m_wndView.OnCmdMsg(nID, nCode, pExtra, pHandlerInfo))
		return TRUE;

	// otherwise, do default handling
	return CFrameWnd::OnCmdMsg(nID, nCode, pExtra, pHandlerInfo);
}

void CMainFrame::DrawBitmaps(CDC *pDC,UINT nIndex,UINT nXPoint,UINT nYPoint)
{
	CDC memDC;
	memDC.CreateCompatibleDC(pDC);

	CBitmap myBitmap;

	for (int nCount = 0;nCount < 10;nCount++)
	{
		myBitmap.LoadBitmap(IDB_BITMAP0 + (nIndex + nCount) % 10);
		memDC.SelectObject(&myBitmap);
		pDC->BitBlt(nXPoint + 16 * nCount,nYPoint,16,16,
			&memDC,0,0,SRCCOPY);
		nXPoint += BITMAP_SEP;
		myBitmap.DeleteObject();
	}
}

void CMainFrame::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	// TODO: Add your message handler code here and/or call default
	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
	static nIndex = 0;

	if (nIDCtl == ID_VIEW_STATUS_BAR) {
		DrawBitmaps(pDC,nIndex,lpDrawItemStruct->rcItem.left,
			lpDrawItemStruct->rcItem.top);
		nIndex++;
		nIndex %= 10;
	}


	// 去掉缺省的绘制函数
//	CFrameWnd::OnDrawItem(nIDCtl, lpDrawItemStruct);
}

void CMainFrame::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	CRect rcPane;

	if (nIDEvent == EVENT_STATUS_FLASH)
	{
		m_wndStatusBar.GetItemRect(1,&rcPane);
		m_wndStatusBar.RedrawWindow(rcPane,NULL,RDW_INVALIDATE | RDW_UPDATENOW);
	}

	CFrameWnd::OnTimer(nIDEvent);
}