组态王6.5源代码 组态王6.5源代码

// DrawVw.cpp : implementation of the CDrawView class // #include "stdafx.h" #include <afxpriv.h> #include "DrawCli.h" #include "DrawDoc.h" #include "CntrItem.h" #include "DrawVw.h" #include "resource.h" #include "DrawObj.h" #include "drawtool.h" #include "CntrItem.h" #include "mainfrm.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif extern Data_Bus Demo_Data; // private clipboard format (list of Draw objects) CLIPFORMAT CDrawView::m_cfDraw = (CLIPFORMAT) #ifdef _MAC ::RegisterClipboardFormat(_T("DCLI")); #else ::RegisterClipboardFormat(_T("MFC Draw Sample")); #endif CLIPFORMAT CDrawView::m_cfObjectDescriptor = NULL; ///////////////////////////////////////////////////////////////////////////// // CDrawView IMPLEMENT_DYNCREATE(CDrawView, CScrollView) BEGIN_MESSAGE_MAP(CDrawView, CScrollView) ON_WM_CONTEXTMENU() //{{AFX_MSG_MAP(CDrawView) ON_WM_DESTROY() ON_WM_SETFOCUS() ON_WM_SIZE() ON_COMMAND(ID_OLE_INSERT_NEW, OnInsertObject) ON_COMMAND(ID_CANCEL_EDIT_CNTR, OnCancelEditCntr) ON_COMMAND(ID_DRAW_SELECT, OnDrawSelect) ON_COMMAND(ID_DRAW_RECT, OnDrawRect) ON_UPDATE_COMMAND_UI(ID_DRAW_SELECT, OnUpdateDrawSelect) ON_UPDATE_COMMAND_UI(ID_DRAW_RECT, OnUpdateDrawRect) ON_WM_LBUTTONDOWN() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_WM_LBUTTONDBLCLK() ON_COMMAND(ID_DRAW_CIRCLE, OnDrawCircle) ON_COMMAND(ID_DRAW_ELLIPSE, OnDrawEllipse) ON_COMMAND(ID_DRAW_LINE, OnDrawLine) ON_COMMAND(ID_DRAW_ROUNDRECT, OnDrawRoundrect) ON_COMMAND(ID_EDIT_PROPERTIES, OnEditProperties) ON_COMMAND(ID_OBJECT_MOVEBACK, OnObjectMoveback) ON_COMMAND(ID_OBJECT_MOVEFORWARD, OnObjectMoveforward) ON_COMMAND(ID_OBJECT_MOVETOBACK, OnObjectMovetoback) ON_COMMAND(ID_OBJECT_MOVETOFRONT, OnObjectMovetofront) ON_UPDATE_COMMAND_UI(ID_OBJECT_MOVEBACK, OnUpdateObjectMoveback) ON_UPDATE_COMMAND_UI(ID_OBJECT_MOVEFORWARD, OnUpdateObjectMoveforward) ON_UPDATE_COMMAND_UI(ID_OBJECT_MOVETOBACK, OnUpdateObjectMovetoback) ON_UPDATE_COMMAND_UI(ID_OBJECT_MOVETOFRONT, OnUpdateObjectMovetofront) ON_COMMAND(ID_OBJECT_FILLCOLOR, OnObjectFillcolor) ON_COMMAND(ID_OBJECT_LINECOLOR, OnObjectLinecolor) ON_UPDATE_COMMAND_UI(ID_OBJECT_FILLCOLOR, OnUpdateObjectFillcolor) ON_UPDATE_COMMAND_UI(ID_OBJECT_LINECOLOR, OnUpdateObjectLinecolor) ON_COMMAND(ID_VIEW_GRID, OnViewGrid) ON_UPDATE_COMMAND_UI(ID_VIEW_GRID, OnUpdateViewGrid) ON_COMMAND(ID_VIEW_SHOWOBJECTS, OnViewShowobjects) ON_UPDATE_COMMAND_UI(ID_VIEW_SHOWOBJECTS, OnUpdateViewShowobjects) ON_COMMAND(ID_EDIT_CLEAR, OnEditClear) ON_COMMAND(ID_EDIT_COPY, OnEditCopy) ON_COMMAND(ID_EDIT_CUT, OnEditCut) ON_COMMAND(ID_EDIT_PASTE, OnEditPaste) ON_COMMAND(ID_EDIT_SELECT_ALL, OnEditSelectAll) ON_UPDATE_COMMAND_UI(ID_EDIT_CLEAR, OnUpdateEditClear) ON_UPDATE_COMMAND_UI(ID_EDIT_COPY, OnUpdateEditCopy) ON_UPDATE_COMMAND_UI(ID_EDIT_CUT, OnUpdateEditCut) ON_UPDATE_COMMAND_UI(ID_EDIT_PASTE, OnUpdateEditPaste) ON_UPDATE_COMMAND_UI(ID_EDIT_SELECT_ALL, OnUpdateEditSelectAll) ON_WM_CREATE() //}}AFX_MSG_MAP // Standard printing commands ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview) ON_MESSAGE(WM_DEMO_DATA,DemoData) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDrawView construction/destruction CDrawView::CDrawView() { // m_pSelection = NULL; m_bGrid = FALSE; m_gridColor = RGB(0, 0, 128); m_bActive = FALSE; } CDrawView::~CDrawView() { } BOOL CDrawView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CScrollView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CDrawView drawing void CDrawView::OnDraw(CDC* pDC) { CDrawDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); CDC dc; CDC* pDrawDC = pDC; CBitmap bitmap; CBitmap* pOldBitmap; // only paint the rect that needs repainting CRect client; pDC->GetClipBox(client); CRect rect = client; DocToClient(rect); if (!pDC->IsPrinting()) { // draw to offscreen bitmap for fast looking repaints if (dc.CreateCompatibleDC(pDC)) { if (bitmap.CreateCompatibleBitmap(pDC, rect.Width(), rect.Height())) { OnPrepareDC(&dc, NULL); pDrawDC = &dc; // offset origin more because bitmap is just piece of the whole drawing dc.OffsetViewportOrg(-rect.left, -rect.top); pOldBitmap = dc.SelectObject(&bitmap); dc.SetBrushOrg(rect.left % 8, rect.top % 8); // might as well clip to the same rectangle dc.IntersectClipRect(client); } } } // paint background CBrush brush; if (!brush.CreateSolidBrush(pDoc->GetPaperColor())) return; brush.UnrealizeObject(); pDrawDC->FillRect(client, &brush); if (!pDC->IsPrinting() && m_bGrid) DrawGrid(pDrawDC); pDoc->Draw(pDrawDC, this); if (pDrawDC != pDC) { pDC->SetViewportOrg(0, 0); pDC->SetWindowOrg(0,0); pDC->SetMapMode(MM_TEXT); dc.SetViewportOrg(0, 0); dc.SetWindowOrg(0,0); dc.SetMapMode(MM_TEXT); pDC->BitBlt(rect.left, rect.top, rect.Width(), rect.Height(), &dc, 0, 0, SRCCOPY); dc.SelectObject(pOldBitmap); } } void CDrawView::OnInitialUpdate() { // CScrollView::OnInitialUpdate(); CSize size = GetDocument()->GetSize(); CClientDC dc(NULL); size.cx = MulDiv(size.cx, dc.GetDeviceCaps(LOGPIXELSX), 100); size.cy = MulDiv(size.cy, dc.GetDeviceCaps(LOGPIXELSY), 100); SetScrollSizes(MM_TEXT, size); } ///////////////////////////////////////////////////////////////////////////// // CDrawView printing BOOL CDrawView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } void CDrawView::OnDestroy() { // Deactivate the item on destruction; this is important // when a splitter view is being used. CScrollView::OnDestroy(); COleClientItem* pActiveItem = GetDocument()->GetInPlaceActiveItem(this); if (pActiveItem != NULL && pActiveItem->GetActiveView() == this) { pActiveItem->Deactivate(); ASSERT(GetDocument()->GetInPlaceActiveItem(this) == NULL); } } ///////////////////////////////////////////////////////////////////////////// // OLE Client support and commands BOOL CDrawView::IsSelected(const CObject* pDocItem) const { /* // The implementation below is adequate if your selection consists of // only CDrawItem objects. To handle different selection // mechanisms, the implementation here should be replaced. // TODO: implement this function that tests for a selected OLE client item return pDocItem == m_pSelection; */ CDrawObj* pDrawObj = (CDrawObj*)pDocItem; if (pDocItem->IsKindOf(RUNTIME_CLASS(CDrawItem))) pDrawObj = ((CDrawItem*)pDocItem)->m_pDrawObj; return m_selection.Find(pDrawObj) != NULL; } void CDrawView::OnInsertObject() { // Invoke the standard Insert Object dialog box to obtain information // for new CDrawItem object. COleInsertDialog dlg; if (dlg.DoModal() != IDOK) return; BeginWaitCursor(); // First create the C++ object CDrawOleObj* pObj = new CDrawOleObj(GetInitialPosition()); ASSERT_VALID(pObj); CDrawItem* pItem = new CDrawItem(GetDocument(), pObj); ASSERT_VALID(pItem); pObj->m_pClientItem = pItem; // Now create the OLE object/item TRY { if (!dlg.CreateItem(pObj->m_pClientItem)) AfxThrowMemoryException(); // add the object to the document GetDocument()->Add(pObj); // try to get