www.gusucode.com > 《C++高级语言程序设计》PPT及全书例子源代码-源码程序 > 《C++高级语言程序设计》PPT及全书例子源代码-源码程序/code/C++例题程序/第8章/s8_6/s8_6View.cpp
//Download by http://www.NewXing.com // s8_6View.cpp : implementation of the CS8_6View class // #include "stdafx.h" #include "s8_6.h" #include "s8_6Doc.h" #include "s8_6View.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CS8_6View IMPLEMENT_DYNCREATE(CS8_6View, CView) BEGIN_MESSAGE_MAP(CS8_6View, CView) //{{AFX_MSG_MAP(CS8_6View) ON_WM_CHAR() //}}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() ///////////////////////////////////////////////////////////////////////////// // CS8_6View construction/destruction CS8_6View::CS8_6View() { // TODO: add construction code here m_oCaretPosition.x = m_oCaretPosition.y = 0; //初始化插入符位置 } CS8_6View::~CS8_6View() { } BOOL CS8_6View::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CS8_6View drawing void CS8_6View::OnDraw(CDC* pDC) { CS8_6Doc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here TEXTMETRIC sTextMetric; pDC->GetTextMetrics(&sTextMetric); CreateSolidCaret(sTextMetric.tmAveCharWidth/8, sTextMetric.tmHeight); pDC->TextOut(0, 0, pDoc->m_strText); CSize oSize = pDC->GetTextExtent(pDoc->m_strText); HideCaret(); m_oCaretPosition.x = oSize.cx; SetCaretPos(m_oCaretPosition); ShowCaret(); } ///////////////////////////////////////////////////////////////////////////// // CS8_6View printing BOOL CS8_6View::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CS8_6View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CS8_6View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CS8_6View diagnostics #ifdef _DEBUG void CS8_6View::AssertValid() const { CView::AssertValid(); } void CS8_6View::Dump(CDumpContext& dc) const { CView::Dump(dc); } CS8_6Doc* CS8_6View::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CS8_6Doc))); return (CS8_6Doc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CS8_6View message handlers void CS8_6View::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) { // TODO: Add your message handler code here and/or call default CS8_6Doc* pDoc = GetDocument(); // 取得指向当前文档的指针 ASSERT_VALID(pDoc); // 确保pDoc指向当前文档并是正确的 pDoc->m_strText += nChar; // 将输入的可见字符存入m_strText中 Invalidate(); // 使当前文档显示无效,强行执行OnDraw()函数 CView::OnChar(nChar, nRepCnt, nFlags); }