chapter08view.cpp

列表视和树形视应用实例源码 各种通用控件综合运用实例源码

// Chapter08View.cpp : implementation of the CChapter08View class
//

#include "stdafx.h"
#include "Chapter08.h"

#include "Chapter08Doc.h"
#include "Chapter08View.h"
#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CChapter08View

IMPLEMENT_DYNCREATE(CChapter08View, CView)

BEGIN_MESSAGE_MAP(CChapter08View, CView)
	//{{AFX_MSG_MAP(CChapter08View)
	ON_WM_LBUTTONDOWN()
	ON_WM_RBUTTONDOWN()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CChapter08View construction/destruction

CChapter08View::CChapter08View()
{
	// TODO: add construction code here

}

CChapter08View::~CChapter08View()
{
}

BOOL CChapter08View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CChapter08View drawing

void CChapter08View::OnDraw(CDC* pDC)
{
	CChapter08Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CChapter08View printing

BOOL CChapter08View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CChapter08View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CChapter08View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CChapter08View diagnostics

#ifdef _DEBUG
void CChapter08View::AssertValid() const
{
	CView::AssertValid();
}

void CChapter08View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CChapter08Doc* CChapter08View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CChapter08Doc)));
	return (CChapter08Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CChapter08View message handlers

void CChapter08View::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CMainFrame* pMainFrm=(CMainFrame*)AfxGetMainWnd();
	CDC* pDc=GetDC();
	
	//创建画笔C++对象
	CPen* pPenBlue = new CPen;	
	//创建画笔
//	pPenBlue->CreatePen(PS_SOLID,pMainFrm->m_thick,RGB(0,255,0));
	pPenBlue->CreatePen(PS_SOLID,pMainFrm->m_thick,pMainFrm->m_color);
	//选中当前画笔，并保存以前的画笔
	CPen* pOldPen = pDc->SelectObject(pPenBlue);
	//画圆
	pDc->Ellipse(point.x,point.y,point.x+\
		pMainFrm->m_long,point.y+pMainFrm->m_short);
	//恢复旧画笔
	pDc->SelectObject(pOldPen);			
	//删除新建的画笔对象
	delete pPenBlue;
	ReleaseDC(pDc);
	CView::OnLButtonDown(nFlags, point);
}


void CChapter08View::OnRButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CMainFrame* pMainFrm=(CMainFrame*)AfxGetMainWnd();
	//创建新字体
	CFont* pNewFont=new CFont();
	VERIFY(pNewFont->CreateFontIndirect(&pMainFrm->logft));
	//获取设备上下文
	CClientDC dc(this);
	//将新字体选入设备上下文
	CFont* pOldFont=dc.SelectObject(pNewFont);
	//在鼠标点击附近显示文本
	dc.TextOut(point.x+10,point.y+10,pMainFrm->m_strText);
	//恢复原来的字体
	dc.SelectObject(pOldFont);
	//删除新字体
	delete pNewFont;
	
	CView::OnRButtonDown(nFlags, point);
}