bool wxStandardDialogLayoutAdapter::DoFitWithScrolling(wxDialog* dialog, wxWindowList& windows)
{
    wxSizer* sizer = dialog->GetSizer();
    if (!sizer)
        return false;

    sizer->SetSizeHints(dialog);

    wxSize windowSize, displaySize;
    int scrollFlags = DoMustScroll(dialog, windowSize, displaySize);
    int scrollBarSize = 20;

    if (scrollFlags)
    {
        int scrollBarExtraX = 0, scrollBarExtraY = 0;
        bool resizeHorizontally = (scrollFlags & wxHORIZONTAL) != 0;
        bool resizeVertically = (scrollFlags & wxVERTICAL) != 0;

        if (windows.GetCount() != 0)
        {
            // Allow extra for a scrollbar, assuming we resizing in one direction only.
            if ((resizeVertically && !resizeHorizontally) && (windowSize.x < (displaySize.x - scrollBarSize)))
                scrollBarExtraX = scrollBarSize;
            if ((resizeHorizontally && !resizeVertically) && (windowSize.y < (displaySize.y - scrollBarSize)))
                scrollBarExtraY = scrollBarSize;
        }

        wxWindowList::compatibility_iterator node = windows.GetFirst();
        while (node)
        {
            wxWindow *win = node->GetData();
            wxScrolledWindow* scrolledWindow = wxDynamicCast(win, wxScrolledWindow);
            if (scrolledWindow)
            {
                scrolledWindow->SetScrollRate(resizeHorizontally ? 10 : 0, resizeVertically ? 10 : 0);

                if (scrolledWindow->GetSizer())
                    scrolledWindow->GetSizer()->Fit(scrolledWindow);
            }

            node = node->GetNext();
        }

        wxSize limitTo = windowSize + wxSize(scrollBarExtraX, scrollBarExtraY);
        if (resizeVertically)
            limitTo.y = displaySize.y - wxEXTRA_DIALOG_HEIGHT;
        if (resizeHorizontally)
            limitTo.x = displaySize.x;

        dialog->SetMinSize(limitTo);
        dialog->SetSize(limitTo);

        dialog->SetSizeHints( limitTo.x, limitTo.y, dialog->GetMaxWidth(), dialog->GetMaxHeight() );
    }

    return true;
}

void ShowWindowRecursively(wxWindowList& hiddenWindows)
{
  for(wxWindowList::iterator itr = hiddenWindows.begin(); itr != hiddenWindows.end(); ++itr) {
    wxWindow* win = (*itr);
    //Show is virtual, and dialog windows assume the window is just starting up when Show()
    //is called.  Make sure to call the base version
    win->wxWindow::Show(true);
    win->Raise();
    win->Update();
  }
  hiddenWindows.clear();
}

static bool findWindowRecursively( const wxWindowList& children, const wxWindow* wanted )
{
    for( wxWindowList::const_iterator it = children.begin();  it != children.end();  ++it )
    {
        const wxWindow* child = *it;

        if( wanted == child )
            return true;
        else
        {
            if( findWindowRecursively( child->GetChildren(), wanted ) )
                return true;
        }
    }

    return false;
}

void MDIWindowMenuEvtHandler::OnCloseAll(wxCommandEvent&)
{
    const wxWindowList list = m_target_wnd->GetChildren(); // make a copy of the window list

    for (wxWindowList::const_iterator i = list.begin();
         i != list.end();
         i++)
    {
        if (wxDynamicCast(*i, wxMDIChildFrame))
        {
            if (!(*i)->Close())
            {
                // Close was vetoed
                break;
            }
        }
    }
}

void HideWindowRecursively(wxTopLevelWindow* win, wxWindowList& hiddenWindows)
{
  if (!win)
    return;
  wxWindowList& children = win->GetChildren();
  for(wxWindowList::iterator itr = children.begin(); itr != children.end(); ++itr) {
    if ((*itr)->IsTopLevel() && (*itr)->IsShown()) {
      HideWindowRecursively(wxDynamicCast(*itr, wxTopLevelWindow), hiddenWindows);
    }
  }
  //Don't call Hide() here, which just calls Show(false), which is overridden in
  //derived classes, and wxDialog actually cancels the modal loop and closes the window
  win->wxWindow::Show(false);
  //push_front ensures we Show() in the reverse order of Hide()'ing
  hiddenWindows.push_front(win);
}

bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
                             wxWindowID id,
                             const wxString& title,
                             const wxPoint& pos,
                             const wxSize& size,
                             long style,
                             const wxString& name)
{
    SetName(name);

    if ( id == wxID_ANY )
        m_windowId = (int)NewControlId();
    else
        m_windowId = id;

    if (parent)
        parent->AddChild(this);

    MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;

    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));

    wxModelessWindows.Append(this);

    return true;
}

bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
{
    if ( !wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style) )
        return false;

    wxModelessWindows.Append(this);

    return true;
}

wxTopLevelWindowMac::~wxTopLevelWindowMac()
{
    if ( m_macWindow )
    {
        wxToolTip::NotifyWindowDelete(m_macWindow) ;
        wxPendingDelete.Append( new wxMacDeferredWindowDeleter( (WindowRef) m_macWindow ) ) ;
    }

#if TARGET_CARBON
    if ( m_macEventHandler )
    {
        ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
        m_macEventHandler = NULL ;
    }
#endif

    wxRemoveMacWindowAssociation( this ) ;

    if ( wxModelessWindows.Find(this) )
        wxModelessWindows.DeleteObject(this);

    DisposeRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
}

bool wxFrame::Create(wxWindow *parent,
           wxWindowID id,
           const wxString& title,
           const wxPoint& pos,
           const wxSize& size,
           long style,
           const wxString& name)
{

    if ( !wxTopLevelWindow::Create(parent, id, title, pos, size, style, name) )
        return false;

    wxModelessWindows.Append(this);

    return true;
}