void CMDIFrameWnd::OnUpdateFrameTitle(BOOL bAddToTitle)
{
if ((GetStyle() & FWS_ADDTOTITLE) == 0)
return; // leave it alone!
#ifndef _AFX_NO_OLE_SUPPORT
// allow hook to set the title (used for OLE support)
if (m_pNotifyHook != NULL && m_pNotifyHook->OnUpdateFrameTitle())
return;
#endif
CMDIChildWnd* pActiveChild = NULL;
CDocument* pDocument = GetActiveDocument();
if (bAddToTitle &&
(pActiveChild = MDIGetActive()) != NULL &&
(pActiveChild->GetStyle() & WS_MAXIMIZE) == 0 &&
(pDocument != NULL ||
(pDocument = pActiveChild->GetActiveDocument()) != NULL))
UpdateFrameTitleForDocument(pDocument->GetTitle());
else
{
LPCTSTR lpstrTitle = NULL;
CString strTitle;
if (pActiveChild != NULL &&
(pActiveChild->GetStyle() & WS_MAXIMIZE) == 0)
{
strTitle = pActiveChild->GetTitle();
if (!strTitle.IsEmpty())
lpstrTitle = strTitle;
}
UpdateFrameTitleForDocument(lpstrTitle);
}
}
CMDIChildWnd* CMDIFrameWnd::MDIGetActive(BOOL* pbMaximized) const
{
// check first for MDI client window not created
if (m_hWndMDIClient == NULL)
{
if (pbMaximized != NULL)
*pbMaximized = FALSE;
return NULL;
}
// MDI client has been created, get active MDI child
HWND hWnd = (HWND)::SendMessage(m_hWndMDIClient, WM_MDIGETACTIVE, 0,
(LPARAM)pbMaximized);
CMDIChildWnd* pWnd = (CMDIChildWnd*)CWnd::FromHandlePermanent(hWnd);
ASSERT(pWnd == NULL || pWnd->IsKindOf(RUNTIME_CLASS(CMDIChildWnd)));
// check for special pseudo-inactive state
if (pWnd != NULL && pWnd->m_bPseudoInactive &&
(pWnd->GetStyle() & WS_VISIBLE) == 0)
{
// Window is hidden, active, but m_bPseudoInactive -- return NULL
pWnd = NULL;
// Ignore maximized flag if pseudo-inactive and maximized
if (pbMaximized != NULL)
*pbMaximized = FALSE;
}
return pWnd;
}
