manager.cpp

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    {
        if (m_frame->ProcessEvent(event))
            return;
    }

    ProcessEvent(event);
}

// SetArtProvider() instructs wxFrameManager to use the
// specified art provider for all drawing calls.  This allows
// plugable look-and-feel features
void wxFrameManager::SetArtProvider(wxDockArt* art_provider)
{
    // delete the last art provider, if any
    delete m_art;
    
    // assign the new art provider
    m_art = art_provider;
}

bool wxFrameManager::AddPane(wxWindow* window, const wxPaneInfo& pane_info)
{
    // check if the pane has a valid window
    if (!window)
        return false;

    // check if the pane already exists
    if (GetPane(pane_info.window).IsOk())
        return false;

    m_panes.Add(pane_info);

    wxPaneInfo& pinfo = m_panes.Last();

    // set the pane window
    pinfo.window = window;
    
    // if the pane's name identifier is blank, create a random string
    if (pinfo.name.IsEmpty())
    {
        pinfo.name.Printf(wxT("%08x%08x%08x%08x"),
             ((unsigned long)pinfo.window) & 0xffffffff,
             (unsigned int)time(NULL),
             (unsigned int)clock(), m_panes.GetCount());
    }
    
    // set initial proportion (if not already set)
    if (pinfo.dock_proportion == 0)
        pinfo.dock_proportion = 100000;

    if (pinfo.HasCloseButton() &&
        pinfo.buttons.size() == 0)
    {
        wxPaneButton button;
        button.button_id = wxPaneInfo::buttonClose;
        pinfo.buttons.Add(button);
    }
    
    if (pinfo.best_size == wxDefaultSize &&
        pinfo.window)
    {
        pinfo.best_size = pinfo.window->GetClientSize();

        if (pinfo.window->IsKindOf(CLASSINFO(wxToolBar)))
        {
            // GetClientSize() doesn't get the best size for
            // a toolbar under some newer versions of wxWidgets,
            // so use GetBestSize()
            pinfo.best_size = pinfo.window->GetBestSize();
                    
            // for some reason, wxToolBar::GetBestSize() is returning
            // a size that is a pixel shy of the correct amount.
            // I believe this to be the correct action, until
            // wxToolBar::GetBestSize() is fixed.  Is this assumption
            // correct?
            pinfo.best_size.y++;
        }
        
        if (pinfo.min_size != wxDefaultSize)
        {
            if (pinfo.best_size.x < pinfo.min_size.x)
                pinfo.best_size.x = pinfo.min_size.x;
            if (pinfo.best_size.y < pinfo.min_size.y)
                pinfo.best_size.y = pinfo.min_size.y;
        }
    }

    return true;
}

bool wxFrameManager::AddPane(wxWindow* window,
                             int direction,
                             const wxString& caption)
{
    wxPaneInfo pinfo;
    pinfo.Caption(caption);
    switch (direction)
    {
        case wxTOP:    pinfo.Top(); break;
        case wxBOTTOM: pinfo.Bottom(); break;
        case wxLEFT:   pinfo.Left(); break;
        case wxRIGHT:  pinfo.Right(); break;
        case wxCENTER: pinfo.CenterPane(); break;
    }
    return AddPane(window, pinfo);
}

bool wxFrameManager::InsertPane(wxWindow* window, const wxPaneInfo& pane_info,
                                int insert_level)
{
    // shift the panes around, depending on the insert level
    switch (insert_level)
    {
        case wxAUI_INSERT_PANE:
            DoInsertPane(m_panes,
                 pane_info.dock_direction,
                 pane_info.dock_layer,
                 pane_info.dock_row,
                 pane_info.dock_pos);
            break;
        case wxAUI_INSERT_ROW:
            DoInsertDockRow(m_panes,
                 pane_info.dock_direction,
                 pane_info.dock_layer,
                 pane_info.dock_row);
            break;
        case wxAUI_INSERT_DOCK:
            DoInsertDockLayer(m_panes,
                 pane_info.dock_direction,
                 pane_info.dock_layer);
            break;
    }
    
    // if the window already exists, we are basically just moving/inserting the
    // existing window.  If it doesn't exist, we need to add it and insert it
    wxPaneInfo& existing_pane = GetPane(window);
    if (!existing_pane.IsOk())
    {
        return AddPane(window, pane_info);
    }
     else
    {
        if (pane_info.IsFloating())
        {
            existing_pane.Float();
            if (pane_info.floating_pos != wxDefaultPosition)
                existing_pane.FloatingPosition(pane_info.floating_pos);
            if (pane_info.floating_size != wxDefaultSize)
                existing_pane.FloatingSize(pane_info.floating_size);
        }
         else
        {
            existing_pane.Direction(pane_info.dock_direction);
            existing_pane.Layer(pane_info.dock_layer);
            existing_pane.Row(pane_info.dock_row);
            existing_pane.Position(pane_info.dock_pos);
        }
    }

    return true;
}

    
bool wxFrameManager::DetachPane(wxWindow* window)
{
    int i, count;
    for (i = 0, count = m_panes.GetCount(); i < count; ++i)
    {
        wxPaneInfo& p = m_panes.Item(i);    
        if (p.window == window)
        {
            if (p.frame)
            {
                // we have a floating frame which is being detached. We need to
                // reparent it to m_frame and destroy the floating frame

                // reduce flicker
                p.window->SetSize(1,1);
                p.frame->Show(false);

                // reparent to m_frame and destroy the pane
                p.window->Reparent(m_frame);
                p.frame->SetSizer(NULL);
                p.frame->Destroy();
                p.frame = NULL;
            }
            m_panes.RemoveAt(i);
            return true;
        }
    }
    return false;
}


// EscapeDelimiters() changes ";" into "\;" and "|" into "\|"
// in the input string.  This is an internal functions which is
// used for saving perspectives
static wxString EscapeDelimiters(const wxString& s)
{
    wxString result;
    result.Alloc(s.Length());
    const wxChar* ch = s.c_str();
    while (*ch)
    {
        if (*ch == wxT(';') || *ch == wxT('|'))
            result += wxT('\\');
        result += *ch;
        ++ch;
    }
    return result;
}


// SavePerspective() saves all pane information as a single string.
// This string may later be fed into LoadPerspective() to restore
// all pane settings.  This save and load mechanism allows an
// exact pane configuration to be saved and restored at a later time

wxString wxFrameManager::SavePerspective()
{
    wxString result;
    result.Alloc(500);
    result = wxT("layout1|");

    int pane_i, pane_count = m_panes.GetCount();
    for (pane_i = 0; pane_i < pane_count; ++pane_i)
    {
        wxPaneInfo& pane = m_panes.Item(pane_i);
        
        result += wxT("name=");
        result += EscapeDelimiters(pane.name);
        result += wxT(";");
        
        result += wxT("caption=");
        result += EscapeDelimiters(pane.caption);
        result += wxT(";");
        
        result += wxString::Format(wxT("state=%u;"), pane.state);
        result += wxString::Format(wxT("dir=%d;"), pane.dock_direction);
        result += wxString::Format(wxT("layer=%d;"), pane.dock_layer);
        result += wxString::Format(wxT("row=%d;"), pane.dock_row);
        result += wxString::Format(wxT("pos=%d;"), pane.dock_pos);
        result += wxString::Format(wxT("prop=%d;"), pane.dock_proportion);
        result += wxString::Format(wxT("bestw=%d;"), pane.best_size.x);
        result += wxString::Format(wxT("besth=%d;"), pane.best_size.y);
        result += wxString::Format(wxT("minw=%d;"), pane.min_size.x);
        result += wxString::Format(wxT("minh=%d;"), pane.min_size.y);
        result += wxString::Format(wxT("maxw=%d;"), pane.max_size.x);
        result += wxString::Format(wxT("maxh=%d;"), pane.max_size.y);
        result += wxString::Format(wxT("floatx=%d;"), pane.floating_pos.x);
        result += wxString::Format(wxT("floaty=%d;"), pane.floating_pos.y);
        result += wxString::Format(wxT("floatw=%d;"), pane.floating_size.x);
        result += wxString::Format(wxT("floath=%d"), pane.floating_size.y);
        result += wxT("|");
    }
    
    int dock_i, dock_count = m_docks.GetCount();
    for (dock_i = 0; dock_i < dock_count; ++dock_i)
    {
        wxDockInfo& dock = m_docks.Item(dock_i);
        
        result += wxString::Format(wxT("dock_size(%d,%d,%d)=%d|"),
                                   dock.dock_direction, dock.dock_layer,
                                   dock.dock_row, dock.size);
    }
    
    return result;
}

// LoadPerspective() loads a layout which was saved with SavePerspective()
// If the "update" flag parameter is true, the GUI will immediately be updated

bool wxFrameManager::LoadPerspective(const wxString& layout, bool update)
{
    wxString input = layout;
    wxString part;
    
    // check layout string version
    part = input.BeforeFirst(wxT('|'));
    input = input.AfterFirst(wxT('|'));
    part.Trim(true);
    part.Trim(false);
    if (part != wxT("layout1"))
        return false;
    
    
    // mark all panes currently managed as docked and hidden
    int pane_i, pane_count = m_panes.GetCount();
    for (pane_i = 0; pane_i < pane_count; ++pane_i)
        m_panes.Item(pane_i).Dock().Hide();

    // clear out the dock array; this will be reconstructed
    m_docks.Clear();
    
    // replace escaped characters so we can
    // split up the string easily
    input.Replace(wxT("\\|"), wxT("\a"));
    input.Replace(wxT("\\;"), wxT("\b"));
    
    while (1)
    {
        wxPaneInfo pane;

        wxString pane_part = input.BeforeFirst(wxT('|'));
        input = input.AfterFirst(wxT('|'));
        pane_part.Trim(true);

        // if the string is empty, we're done parsing
        if (pane_part.IsEmpty())
            break;


        if (pane_part.Left(9) == wxT("dock_size"))
        {
            wxString val_name = pane_part.BeforeFirst(wxT('='));
            wxString value = pane_part.AfterFirst(wxT('='));
                  
            long dir, layer, row, size;
            wxString piece = val_name.AfterFirst(wxT('('));
            piece = piece.BeforeLast(wxT(')'));
            piece.BeforeFirst(wxT(',')).ToLong(&dir);
            piece = piece.AfterFirst(wxT(','));
            piece.BeforeFirst(wxT(',')).ToLong(&layer);
            piece.AfterFirst(wxT(',')).ToLong(&row);
            value.ToLong(&size);
            
            wxDockInfo dock;
            dock.dock_direction = dir;
            dock.dock_layer = layer;
            dock.dock_row = row;
            dock.size = size;
            m_docks.Add(dock);
            continue;
        }

        while (1)
        {
            wxString val_part = pane_part.BeforeFirst(wxT(';'));
            pane_part = pane_part.AfterFirst(wxT(';'));
            wxString val_name = val_part.BeforeFirst(wxT('='));
            wxString value = val_part.AfterFirst(wxT('='));
            val_name.MakeLower();
            val_name.Trim(true);
            val_name.Trim(false);
            value.Trim(true);
            value.Trim(false);
        
            if (val_name.IsEmpty())
                break;

            if (val_name == wxT("name"))
                pane.name = value;
            else if (val_name == wxT("caption"))
                pane.caption = value;
            else if (val_name == wxT("state"))
                pane.state = (unsigned int)wxAtoi(value.c_str());
            else if (val_name == wxT("dir"))
                pane.dock_direction = wxAtoi(value.c_str());
            else if (val_name == wxT("layer"))
                pane.dock_layer = wxAtoi(value.c_str());
            else if (val_name == wxT("row"))
                pane.dock_row = wxAtoi(value.c_str());
            else if (val_name == wxT("pos"))
                pane.dock_pos = wxAtoi(value.c_str());
            else if (val_name == wxT("prop"))
                pane.dock_proportion = wxAtoi(value.c_str());
            else if (val_name == wxT("bestw"))
                pane.best_size.x = wxAtoi(value.c_str());
            else if (val_name == wxT("besth"))
                pane.best_size.y = wxAtoi(value.c_str());
            else if (val_name == wxT("minw"))
                pane.min_size.x = wxAtoi(value.c_str());
            else if (val_name == wxT("minh"))
                pane.min_size.y = wxAtoi(value.c_str());
            else if (val_name == wxT("maxw"))
                pane.max_size.x = wxAtoi(value.c_str());
            else if (val_name == wxT("maxh"))
                pane.max_size.y = wxAtoi(value.c_str());
            else if (val_name == wxT("floatx"))
                pane.floating_pos.x = wxAtoi(value.c_str());
            else if (val_name == wxT("floaty"))
                pane.floating_pos.y = wxAtoi(value.c_str());
            else if (val_name == wxT("floatw"))
                pane.floating_size.x = wxAtoi(value.c_str());
            else if (val_name == wxT("floath"))
                pane.floating_size.y = wxAtoi(value.c_str());
            else {
                wxFAIL_MSG(wxT("Bad Perspective String"));
            }
        }
        
        // replace escaped characters so we can
        // split up the string easily
        pane.name.Replace(wxT("\a"), wxT("|"));
        pane.name.Replace(wxT("\b"), wxT(";"));
        pane.caption.Replace(wxT("\a"), wxT("|"));
        pane.caption.Replace(wxT("\b"), wxT(";"));
        
        wxPaneInfo& p = GetPane(pane.name);
        if (!p.IsOk())
        {
            // the pane window couldn't be found
            // in the existing layout
            return false;
        }
        
        pane.window = p.window;
        pane.frame = p.frame;