www.pudn.com > 《MFC Windows程序设计(第二版)》.rar > MainFrm.cpp, change:1998-10-06,size:3509b

// MainFrm.cpp : implementation of the CMainFrame class 
// 
 
#include "stdafx.h" 
#include "Colors.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_SETFOCUS() 
	ON_WM_CREATE() 
	//}}AFX_MSG_MAP 
	ON_WM_MEASUREITEM () 
	ON_WM_DRAWITEM () 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMainFrame construction/destruction 
 
CMainFrame::CMainFrame() 
{ 
} 
 
CMainFrame::~CMainFrame() 
{ 
} 
 
BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	if( !CFrameWnd::PreCreateWindow(cs) ) 
		return FALSE; 
	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); 
} 
 
 
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	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; 
	} 
	return 0; 
} 
 
void CMainFrame::OnMeasureItem (int nIDCtl, LPMEASUREITEMSTRUCT lpmis) 
{ 
    lpmis->itemWidth = ::GetSystemMetrics (SM_CYMENU) * 4; 
    lpmis->itemHeight = ::GetSystemMetrics (SM_CYMENU); 
} 
 
void CMainFrame::OnDrawItem (int nIDCtl, LPDRAWITEMSTRUCT lpdis) 
{ 
    BITMAP bm; 
    CBitmap bitmap; 
    bitmap.LoadOEMBitmap (OBM_CHECK); 
    bitmap.GetObject (sizeof (bm), &bm); 
 
    CDC dc; 
    dc.Attach (lpdis->hDC); 
 
    CBrush* pBrush = new CBrush (::GetSysColor ((lpdis->itemState & 
        ODS_SELECTED) ? COLOR_HIGHLIGHT : COLOR_MENU)); 
    dc.FrameRect (&(lpdis->rcItem), pBrush); 
    delete pBrush; 
 
    if (lpdis->itemState & ODS_CHECKED) { 
        CDC dcMem; 
        dcMem.CreateCompatibleDC (&dc); 
        CBitmap* pOldBitmap = dcMem.SelectObject (&bitmap); 
 
        dc.BitBlt (lpdis->rcItem.left + 4, lpdis->rcItem.top + 
            (((lpdis->rcItem.bottom - lpdis->rcItem.top) - 
            bm.bmHeight) / 2), bm.bmWidth, bm.bmHeight, &dcMem, 
            0, 0, SRCCOPY); 
 
        dcMem.SelectObject (pOldBitmap); 
    } 
 
	UINT itemID = lpdis->itemID & 0xFFFF; // Fix for Win95/98 bug 
    pBrush = new CBrush (m_wndView.m_clrColors[itemID - ID_COLOR_RED]); 
    CRect rect = lpdis->rcItem; 
    rect.DeflateRect (6, 4); 
    rect.left += bm.bmWidth; 
    dc.FillRect (rect, pBrush); 
    delete pBrush; 
 
    dc.Detach (); 
}