www.gusucode.com > 组态王 VC++ 组态软件源码源码程序 > 组态王 VC++ 组态软件源码/组态王6.5/组态王6.5/zutai3/CntrItem.cpp
// CntrItem.cpp : implementation of the CDrawItem class // #include "stdafx.h" #include "DrawCli.h" #include "DrawDoc.h" #include "DrawVw.h" #include "DrawObj.h" #include "CntrItem.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CDrawItem implementation IMPLEMENT_SERIAL(CDrawItem, COleClientItem, 0) /* CDrawItem::CDrawItem(CDrawDoc* pContainer) : COleClientItem(pContainer) { // TODO: add one-time construction code here } */ CDrawItem::CDrawItem(CDrawDoc* pContainer, CDrawOleObj* pDrawObj) : COleClientItem(pContainer) { m_pDrawObj = pDrawObj; } CDrawItem::~CDrawItem() { // TODO: add cleanup code here } void CDrawItem::OnChange(OLE_NOTIFICATION nCode, DWORD dwParam) { ASSERT_VALID(this); COleClientItem::OnChange(nCode, dwParam); // When an item is being edited (either in-place or fully open) // it sends OnChange notifications for changes in the state of the // item or visual appearance of its content. // TODO: invalidate the item by calling UpdateAllViews // (with hints appropriate to your application) GetDocument()->UpdateAllViews(NULL); // for now just update ALL views/no hints } BOOL CDrawItem::OnChangeItemPosition(const CRect& rectPos) { ASSERT_VALID(this); // During in-place activation CDrawItem::OnChangeItemPosition // is called by the server to change the position of the in-place // window. Usually, this is a result of the data in the server // document changing such that the extent has changed or as a result // of in-place resizing. // // The default here is to call the base class, which will call // COleClientItem::SetItemRects to move the item // to the new position. if (!COleClientItem::OnChangeItemPosition(rectPos)) return FALSE; // TODO: update any cache you may have of the item's rectangle/extent return TRUE; } void CDrawItem::OnGetItemPosition(CRect& rPosition) { ASSERT_VALID(this); // During in-place activation, CDrawItem::OnGetItemPosition // will be called to determine the location of this item. The default // implementation created from AppWizard simply returns a hard-coded // rectangle. Usually, this rectangle would reflect the current // position of the item relative to the view used for activation. // You can obtain the view by calling CDrawItem::GetActiveView. // TODO: return correct rectangle (in pixels) in rPosition rPosition.SetRect(10, 10, 210, 210); } void CDrawItem::OnActivate() { // Allow only one inplace activate item per frame CDrawView* pView = GetActiveView(); ASSERT_VALID(pView); COleClientItem* pItem = GetDocument()->GetInPlaceActiveItem(pView); if (pItem != NULL && pItem != this) pItem->Close(); COleClientItem::OnActivate(); } void CDrawItem::OnDeactivateUI(BOOL bUndoable) { COleClientItem::OnDeactivateUI(bUndoable); // Hide the object if it is not an outside-in object DWORD dwMisc = 0; m_lpObject->GetMiscStatus(GetDrawAspect(), &dwMisc); if (dwMisc & OLEMISC_INSIDEOUT) DoVerb(OLEIVERB_HIDE, NULL); } void CDrawItem::Serialize(CArchive& ar) { ASSERT_VALID(this); // Call base class first to read in COleClientItem data. // Since this sets up the m_pDocument pointer returned from // CDrawItem::GetDocument, it is a good idea to call // the base class Serialize first. COleClientItem::Serialize(ar); // now store/retrieve data specific to CDrawItem if (ar.IsStoring()) { // TODO: add storing code here } else { // TODO: add loading code here } } ///////////////////////////////////////////////////////////////////////////// // CDrawItem diagnostics #ifdef _DEBUG void CDrawItem::AssertValid() const { COleClientItem::AssertValid(); } void CDrawItem::Dump(CDumpContext& dc) const { COleClientItem::Dump(dc); } #endif ///////////////////////////////////////////////////////////////////////////// BOOL CDrawItem::UpdateExtent() { CSize size; if (!GetExtent(&size) || size == m_pDrawObj->m_extent) return FALSE; // blank // if new object (i.e. m_extent is empty) setup position if (m_pDrawObj->m_extent == CSize(0, 0)) { m_pDrawObj->m_position.right = m_pDrawObj->m_position.left + MulDiv(size.cx, 10, 254); m_pDrawObj->m_position.bottom = m_pDrawObj->m_position.top - MulDiv(size.cy, 10, 254); } // else data changed so scale up rect as well else if (!IsInPlaceActive() && size != m_pDrawObj->m_extent) { m_pDrawObj->m_position.right = m_pDrawObj->m_position.left + MulDiv(m_pDrawObj->m_position.Width(), size.cx, m_pDrawObj->m_extent.cx); m_pDrawObj->m_position.bottom = m_pDrawObj->m_position.top + MulDiv(m_pDrawObj->m_position.Height(), size.cy, m_pDrawObj->m_extent.cy); } m_pDrawObj->m_extent = size; m_pDrawObj->Invalidate(); // redraw to the new size/position return TRUE; }