popmenuview.cpp

这是书上的代码

// PopMenuView.cpp : implementation of the CPopMenuView class
//

#include "stdafx.h"
#include "PopMenu.h"

#include "PopMenuDoc.h"
#include "PopMenuView.h"
#include "MainFrm.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CPopMenuView

IMPLEMENT_DYNCREATE(CPopMenuView, CView)

BEGIN_MESSAGE_MAP(CPopMenuView, CView)
	//{{AFX_MSG_MAP(CPopMenuView)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPopMenuView construction/destruction

CPopMenuView::CPopMenuView()
{
	text1 = "Hello MFC !"	;
	text2 = "PopMenu  in  Modelless  Dialog"; //显示的文本内容
}

CPopMenuView::~CPopMenuView()
{
}

BOOL CPopMenuView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CPopMenuView drawing

void CPopMenuView::OnDraw(CDC* pDC)
{
	CPopMenuDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	
	int x ;              //显示位置的X坐标
	int y ;              //显示位置的Y坐标
	CRect rt;
	GetClientRect(&rt); 
	CMainFrame* pMF = (CMainFrame*)AfxGetMainWnd(); //得到主窗口的指针
	if(pMF->pDlg == NULL)
	{
		x = rt.right / 2; 
		y = rt.bottom / 2;
		pDC->SetTextColor(RGB(0,0,222));
		pDC->SetTextAlign (TA_CENTER);
		pDC->TextOut (x, y, text1);
		pDC->TextOut (x, y+30, text2);
	}
	else
	{
		if (pMF->pDlg->TextAlign==TA_CENTER)
		{
			x = rt.right / 2; 
			y = rt.bottom / 2;
		}
		else if (pMF->pDlg->TextAlign==TA_RIGHT)
		{
			x=rt.right;
			y = rt.bottom / 2;
		}
		else
		{
			x=0;
			y = rt.bottom / 2;
		}
		pDC->SetTextColor(RGB(0,0,222));
		pDC->SetTextAlign (pMF->pDlg->TextAlign);
		pDC->TextOut (x, y, text1);
		pDC->TextOut (x, y+30, text2);	
	}
	
}

/////////////////////////////////////////////////////////////////////////////
// CPopMenuView printing

BOOL CPopMenuView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CPopMenuView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CPopMenuView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CPopMenuView diagnostics

#ifdef _DEBUG
void CPopMenuView::AssertValid() const
{
	CView::AssertValid();
}

void CPopMenuView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CPopMenuDoc* CPopMenuView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CPopMenuDoc)));
	return (CPopMenuDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CPopMenuView message handlers