BCGControlBar使用（七）

SDI中使用多个视

OutlookMultiViews

App中InitInstance()

文档模板创建后 ((CMainFrame*)m_pMainWnd)->InitViews ();

 

建立多个视类CView1、CView2、CView3和自身的COutlookMultiViewsView

 

CMainFrame类

#define NUMVIEWS 4

 CBCGPOutlookBar  m_wndShortcutsBar;
 CBCGPOutlookBarPane m_wndShortcutsPane1;

 

 

OnCreate（）

 if (!CreateShortcutsBar ())
 {
  TRACE0("Failed to create shortcuts bar\n");
  return -1;      // fail to create
 }

 //----------------------------------------------------
 // Outlook bar is created and docking on the left side
 // should be allowed.
 //----------------------------------------------------
 EnableDocking (CBRS_ALIGN_LEFT);

 

 if (!m_wndCaptionBar.Create (WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS, this,
  ID_VIEW_CAPTIONBAR, -1))
 {
  TRACE0("Failed to create caption bar\n");
  return -1;      // fail to create
 }

 m_wndCaptionBar.SetFlatBorder ();
 m_wndCaptionBar.SetText (_T("View 1"));
 m_bmpCaption.LoadBitmap (IDB_CAPTION);
 m_wndCaptionBar.SetBitmap (m_bmpCaption, RGB (255, 0, 255));

 

 

void CMainFrame::OnViewOutlookBar()
{
 ShowControlBar (&m_wndShortcutsBar,
     !(m_wndShortcutsBar.IsVisible ()),
     FALSE, TRUE);
 RecalcLayout ();
}

void CMainFrame::OnUpdateViewOutlookBar(CCmdUI* pCmdUI)
{
 pCmdUI->SetCheck (m_wndShortcutsBar.IsVisible ());
}

void CMainFrame::OnOutlookBarShortcut(UINT id)
{
 const int nIndex = id - ID_SHORTCUT_1;

    ASSERT( nIndex >=0 && nIndex < NUMVIEWS );
   
    CView* pNewView = m_pViews[nIndex];
   
    CView* pActiveView =GetActiveView();
   
    if ( !pActiveView )    // No currently active view
        return;
   
    if ( pNewView == pActiveView )    // Already there
        return;
       
    m_nCurView = nIndex;    // Store the new current view's index
   
    // exchange view window ID's so RecalcLayout() works
    UINT temp = ::GetWindowLong(pActiveView->m_hWnd, GWL_ID);
    ::SetWindowLong(pActiveView->m_hWnd, GWL_ID,
          ::GetWindowLong(pNewView->m_hWnd, GWL_ID));
    ::SetWindowLong(pNewView->m_hWnd, GWL_ID, temp);

    // Display and update the new current view - hide the old one   
    pActiveView->ShowWindow(SW_HIDE);
    pNewView->ShowWindow(SW_SHOW);
    SetActiveView(pNewView);
    RecalcLayout();
    pNewView->Invalidate();

 CString strCaption;
 strCaption.Format (_T("View %d"), nIndex + 1);

 m_wndCaptionBar.SetText (strCaption);
 m_wndCaptionBar.RedrawWindow ();
}

void CMainFrame::OnUpdateOutlookBarShortcut(CCmdUI* pCmdUI)
{
 pCmdUI->SetCheck (pCmdUI->m_nID == ID_SHORTCUT_1 + m_nCurView);
}

void CMainFrame::OnViewCaptionBar()
{
 ShowControlBar (&m_wndCaptionBar,
     !(m_wndCaptionBar.IsVisible ()),
     FALSE, TRUE);
 RecalcLayout ();
}

void CMainFrame::OnUpdateViewCaptionBar(CCmdUI* pCmdUI)
{
 pCmdUI->SetCheck (m_wndCaptionBar.IsVisible ());
}

BOOL CMainFrame::CreateShortcutsBar ()
{
 CBCGPOutlookWnd::EnableAnimation ();

 const int nInitialWidth = 150;
 const CString strCaption = _T("Shortcuts");

 if (!m_wndShortcutsBar.Create (strCaption, this,
  CRect (0, 0, nInitialWidth, nInitialWidth),
  ID_VIEW_OUTLOOKBAR, WS_CHILD | WS_VISIBLE | CBRS_LEFT))
 {
  TRACE0("Failed to create outlook bar\n");
  return FALSE;      // fail to create
 }

 CBCGPOutlookWnd* pShortcutsBarContainer = DYNAMIC_DOWNCAST (CBCGPOutlookWnd,
       m_wndShortcutsBar.GetUnderlinedWindow ());
 if (pShortcutsBarContainer == NULL)
 {
  TRACE0("Cannot get outlook bar container\n");
  return FALSE;
 }

 CImageList images;
 images.Create (IDB_SHORTCUTS, 32, 0, RGB (255, 0, 255));

 // Create first page:
 m_wndShortcutsPane1.Create (&m_wndShortcutsBar, dwDefaultToolbarStyle, ID_SHORTCUTS_PANE_1);
 m_wndShortcutsPane1.SetOwner (this);
 m_wndShortcutsPane1.EnableTextLabels ();
 m_wndShortcutsPane1.EnableDocking (CBRS_ALIGN_ANY);
 
 m_wndShortcutsPane1.AddButton (images.ExtractIcon (0), _T("View 1"), ID_SHORTCUT_1);
 m_wndShortcutsPane1.AddButton (images.ExtractIcon (1), _T("View 2"), ID_SHORTCUT_2);
 m_wndShortcutsPane1.AddButton (images.ExtractIcon (2), _T("View 3"), ID_SHORTCUT_3);
 m_wndShortcutsPane1.AddButton (images.ExtractIcon (3), _T("View 4"), ID_SHORTCUT_4);

 pShortcutsBarContainer->AddTab (&m_wndShortcutsPane1, _T("Views"), (UINT)-1, FALSE);

 return TRUE;
}

 

void CMainFrame::InitViews ()
{
    m_nCurView = 0;        // Save index of the currently active view class
    CView* pActiveView = GetActiveView();

    m_pViews[0] = pActiveView;
    m_pViews[1] = (CView*) new CView1;
    m_pViews[2] = (CView*) new CView2;
    m_pViews[3] = (CView*) new CView3;
   
    CDocument* pCurrentDoc = GetActiveDocument();
   
    // Initialize a CCreateContext to point to the active document.
    // With this context, the new view is added to the document
    // when the view is created in CView::OnCreate().
    CCreateContext newContext;
    newContext.m_pNewViewClass = NULL;
    newContext.m_pNewDocTemplate = NULL;
    newContext.m_pLastView = NULL;
    newContext.m_pCurrentFrame = NULL;
    newContext.m_pCurrentDoc = pCurrentDoc;
   
    CRect rect(0, 0, 0, 0); // gets resized later
   
 for (int nView = 1; nView < NUMVIEWS; nView++)
    {
        // Create the new view. In this example, the view persists for
        // the life of the application. The application automatically
        // deletes the view when the application is closed.
        m_pViews[nView]->Create(NULL, NULL,
    (AFX_WS_DEFAULT_VIEW & ~WS_VISIBLE),
   // views are created with the style of AFX_WS_DEFAULT_VIEW
   // In MFC 4.0, this is (WS_BORDER | WS_VISIBLE | WS_CHILD)
                  rect, this,
    AFX_IDW_PANE_FIRST + nView, &newContext);

  // When a document template creates a view, the WM_INITIALUPDATE
  // message is sent automatically. However, this code must
  // explicitly send the message, as follows.
  m_pViews [nView]->OnInitialUpdate();
    }
}