记事本++（可以输入文字、改变字体、窗口重绘不消失）（含代码）

// TextView.cpp : CTextView 类的实现 // #include "stdafx.h" #include "MainFrm.h" // SHARED_HANDLERS 可以在实现预览、缩略图和搜索筛选器句柄的 // ATL 项目中进行定义，并允许与该项目共享文档代码。 #ifndef SHARED_HANDLERS #include "Text.h" #endif #include "TextDoc.h" #include "TextView.h" #ifdef _DEBUG #define new DEBUG_NEW #endif // CTextView IMPLEMENT_DYNCREATE(CTextView, CView) BEGIN_MESSAGE_MAP(CTextView, CView) // 标准打印命令 ON_COMMAND(ID_FILE_PRINT, &CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, &CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, &CTextView::OnFilePrintPreview) ON_WM_CONTEXTMENU() ON_WM_RBUTTONUP() ON_WM_CHAR() ON_WM_CREATE() ON_WM_LBUTTONDOWN() ON_WM_MOUSEMOVE() ON_WM_MOUSEWHEEL() ON_WM_TIMER() ON_COMMAND(ID_FILE_NEW, &CTextView::OnFileNew) ON_COMMAND(IDM_CLEAR, &CTextView::OnClear) ON_COMMAND(IDM_HUAWENCAIYUN, &CTextView::OnHuawencaiyun) ON_COMMAND(IDM_FANGSONG, &CTextView::OnFangsong) ON_COMMAND(IDM_FANGZHENGSHUTI, &CTextView::OnFangzhengshuti) ON_COMMAND(IDM_FANGZHENGYAOTI, &CTextView::OnFangzhengyaoti) ON_COMMAND(IDM_HUAWENXINGKAI, &CTextView::OnHuawenxingkai) ON_COMMAND(IDM_KAITI, &CTextView::OnKaiti) ON_COMMAND(IDM_LISHU, &CTextView::OnLishu) ON_COMMAND(IDM_SONGTI, &CTextView::OnSongti) ON_COMMAND(IDM_WEIRUANYAHEI, &CTextView::OnWeiruanyahei) ON_UPDATE_COMMAND_UI(IDM_FANGSONG, &CTextView::OnUpdateFangsong) ON_UPDATE_COMMAND_UI(IDM_FANGZHENGSHUTI, &CTextView::OnUpdateFangzhengshuti) ON_UPDATE_COMMAND_UI(IDM_FANGZHENGYAOTI, &CTextView::OnUpdateFangzhengyaoti) ON_UPDATE_COMMAND_UI(IDM_HUAWENCAIYUN, &CTextView::OnUpdateHuawencaiyun) ON_UPDATE_COMMAND_UI(IDM_HUAWENXINGKAI, &CTextView::OnUpdateHuawenxingkai) ON_UPDATE_COMMAND_UI(IDM_KAITI, &CTextView::OnUpdateKaiti) ON_UPDATE_COMMAND_UI(IDM_LISHU, &CTextView::OnUpdateLishu) ON_UPDATE_COMMAND_UI(IDM_SONGTI, &CTextView::OnUpdateSongti) ON_UPDATE_COMMAND_UI(IDM_WEIRUANYAHEI, &CTextView::OnUpdateWeiruanyahei) END_MESSAGE_MAP() // CTextView 构造/析构 CTextView::CTextView() { // TODO: 在此处添加构造代码 int i=0; for(i = 0;i<1000;i++){ point_Start[i] = 0; string[i] = ""; } count = 0; temp = 0; CharSize = 100; LZiTi = L"微软雅黑"; width = 0; red = 0; green = 0; blue = 0; //设置菜单项标记 check_fangsong = false; check_fangzhengshuti = false; check_fangzhengyaoti = false; check_huawencaiyun = false; check_huawenxingkai = false; check_kaiti = false; check_lishu = false; check_songti = false; check_weiruanyahei = true; } CTextView::~CTextView() { } BOOL CTextView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: 在此处通过修改 // CREATESTRUCT cs 来修改窗口类或样式 return CView::PreCreateWindow(cs); } // CTextView 绘制 void CTextView::OnDraw(CDC* pDC) { CTextDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); if (!pDoc) return; // TODO: 在此处为本机数据添加绘制代码 temp = 0; CClientDC dc(this); CFont font; font.CreatePointFont(CharSize, LZiTi, NULL); pDC->SelectObject(&font); for(temp = 0;temp<=count;temp++){ pDC->TextOut(point_Start[temp].x, point_Start[temp].y, string[temp]); } SetCaretPos(point_Caret); } // CTextView 打印 void CTextView::OnFilePrintPreview() { #ifndef SHARED_HANDLERS AFXPrintPreview(this); #endif } BOOL CTextView::OnPreparePrinting(CPrintInfo* pInfo) { // 默认准备 return DoPreparePrinting(pInfo); } void CTextView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: 添加额外的打印前进行的初始化过程 } void CTextView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: 添加打印后进行的清理过程 } void CTextView::OnRButtonUp(UINT /* nFlags */, CPoint point) { ClientToScreen(&point); OnContextMenu(this, point); } void CTextView::OnContextMenu(CWnd* /* pWnd */, CPoint point) { #ifndef SHARED_HANDLERS theApp.GetContextMenuManager()->ShowPopupMenu(IDR_POPUP_EDIT, point.x, point.y, this, TRUE); #endif } // CTextView 诊断 #ifdef _DEBUG void CTextView::AssertValid() const { CView::AssertValid(); } void CTextView::Dump(CDumpContext& dc) const { CView::Dump(dc); } CTextDoc* CTextView::GetDocument() const // 非调试版本是内联的 { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTextDoc))); return (CTextDoc*)m_pDocument; } #endif //_DEBUG // CTextView 消息处理程序 void CTextView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CClientDC dc(this); CFont font; font.CreatePointFont(CharSize, LZiTi, NULL); dc.SelectObject(&font); TEXTMETRIC tm; dc.GetTextMetrics(&tm); if(0x0d == nChar){ //回车符 count++; point_Start[count].y = point_Start[count-1].y + tm.tmHeight; point_Start[count].x = point_Start[count-1].x; } else if(0x08 == nChar){ //退格符 string[count] = string[count].Left(string[count].GetLength()-1); }else{ //普通字符 string[count] = string[count] + WCHAR(nChar); } //确定插入符点 CSize sz = dc.GetTextExtent(string[count]); point_Caret.x = point_Start[count].x + sz.cx; point_Caret.y = point_Start[count].y; Invalidate(); CView::OnChar(nChar, nRepCnt, nFlags); } int CTextView::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CView::OnCreate(lpCreateStruct) == -1) return -1; // TODO: 在此添加您专用的创建代码 //设置定时器 SetTimer(1, 100, NULL); //bitmap与图片关联 bmp_weiruanyahei.LoadBitmapW(IDB_WEIRUANYAHEI); bmp_fangsong.LoadBitmapW(IDB_FANGSONG); bmp_fangzhengshuti.LoadBitmapW(IDB_FANGZHENGSHUTI); bmp_fangzhengyaoti.LoadBitmapW(IDB_FANGZHENGYAOTI); bmp_huawencaiyun.LoadBitmapW(IDB_HUAWENCAIYUN); bmp_huawenxingkai.LoadBitmapW(IDB_HUAWENXINGKAI); bmp_kaiti.LoadBitmapW(IDB_KAITI); bmp_lishu.LoadBitmapW(IDB_LISHU); bmp_songti.LoadBitmapW(IDB_SONGTI); CreateCaret(&bmp_weiruanyahei); ShowCaret(); return 0; } void CTextView::OnLButtonDown(UINT nFlags, CPoint point) { // TODO: 在此添加消息处理程序代码和/或调用默认值 count++; point_Start[count] = point; point_Caret = point; Invalidate(); CView::OnLButtonDown(nFlags, point); } void CTextView::OnMouseMove(UINT nFlags, CPoint point) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CString str; str.Format(_T("缩放:%d 字体:%s"),CharSize,LZiTi); ((CMainFrame*)GetParent())->m_wndStatusBar.SetWindowText(str); CView::OnMouseMove(nFlags, point); } BOOL CTextView::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CharSize = CharSize + int(zDelta); CClientDC dc(this); CFont font; font.CreatePointFont(CharSize, LZiTi, NULL); dc.SelectObject(&font); CSize sz = dc.GetTextExtent(string[count]); point_Caret.x = point_Start[count].x + sz.cx; point_Caret.y = point_Start[count].y; Invalidate(); CString str; str.Format(_T("缩放:%d 字体:%s"),CharSize,LZiTi); ((CMainFrame*)GetParent())->m_wndStatusBar.SetWindowText(str); return CView::OnMouseWheel(nFlags, zDelta, pt); } void CTextView::OnTimer(UINT_PTR nIDEvent) { // TODO: 在此添加消息处理程序代码和/或调用默认值 width = width + 5; CString str; str.LoadString(IDS_ZONGXIANGRUI); CClientDC dc(this); TEXTMETRIC tm; dc.GetTextMetrics(&tm); CSize sz = dc.GetTextExtent(str); if(width > sz.cx){ width = 0; } if(blue<240) blue = blue + 20; else if(green<240) green = green + 20; else if(red<240) red = red + 20; else{blue=0; green=0; red=0;} dc.SetTextColor(RGB(red,green,blue)); CRect rect; rect.left = 0; rect.top = 200; rect.right = rect.left + width; rect.bottom = rect.top + tm.tmHeight; dc.DrawText(str, rect, DT_LEFT); CRect rect2; rect2.left = 0; rect2.top = 150; rect2.right = rect2.left + width; rect2.bottom = rect2.top + tm.tmHeight; dc.DrawText(str, rect2, DT_RIGHT); CRect rect3