frame.cpp

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    if ( !menuBar )
        return false;

    const wxAcceleratorTable& acceleratorTable = menuBar->GetAccelTable();
    return acceleratorTable.Translate(this, pMsg);
#else
    return false;
#endif // wxUSE_MENUS && wxUSE_ACCEL
}

// ---------------------------------------------------------------------------
// our private (non virtual) message handlers
// ---------------------------------------------------------------------------

bool wxFrame::HandlePaint()
{
    RECT rect;
    if ( ::GetUpdateRect(GetHwnd(), &rect, FALSE) )
    {
#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
        if ( m_iconized )
        {
            const wxIcon& icon = GetIcon();
            HICON hIcon = icon.Ok() ? GetHiconOf(icon)
                                    : (HICON)GetDefaultIcon();

            // Hold a pointer to the dc so long as the OnPaint() message
            // is being processed
            PAINTSTRUCT ps;
            HDC hdc = ::BeginPaint(GetHwnd(), &ps);

            // Erase background before painting or we get white background
            MSWDefWindowProc(WM_ICONERASEBKGND, (WORD)(LONG)ps.hdc, 0L);

            if ( hIcon )
            {
                RECT rect;
                ::GetClientRect(GetHwnd(), &rect);

                // FIXME: why hardcoded?
                static const int icon_width = 32;
                static const int icon_height = 32;

                int icon_x = (int)((rect.right - icon_width)/2);
                int icon_y = (int)((rect.bottom - icon_height)/2);

                ::DrawIcon(hdc, icon_x, icon_y, hIcon);
            }

            ::EndPaint(GetHwnd(), &ps);

            return true;
        }
        else
 #endif
        {
            return wxWindow::HandlePaint();
        }
    }
    else
    {
        // nothing to paint - processed
        return true;
    }
}

bool wxFrame::HandleSize(int WXUNUSED(x), int WXUNUSED(y), WXUINT id)
{
#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
    switch ( id )
    {
        case SIZE_RESTORED:
        case SIZE_MAXIMIZED:
            // only do it it if we were iconized before, otherwise resizing the
            // parent frame has a curious side effect of bringing it under it's
            // children
            if ( !m_iconized )
                break;

            // restore all child frames too
            IconizeChildFrames(false);

            (void)SendIconizeEvent(false);
            break;

        case SIZE_MINIMIZED:
            // iconize all child frames too
            IconizeChildFrames(true);
            break;
    }
#else
    wxUnusedVar(id);
#endif // !__WXWINCE__

    if ( !m_iconized )
    {
#if wxUSE_STATUSBAR
        PositionStatusBar();
#endif // wxUSE_STATUSBAR

#if wxUSE_TOOLBAR
        PositionToolBar();
#endif // wxUSE_TOOLBAR

#if defined(WINCE_WITH_COMMANDBAR)
        // Position the menu command bar
        if (GetMenuBar() && GetMenuBar()->GetCommandBar())
        {
            RECT rect;
            ::GetWindowRect((HWND) GetMenuBar()->GetCommandBar(), &rect);
            wxSize clientSz = GetClientSize();

            if ( !::MoveWindow((HWND) GetMenuBar()->GetCommandBar(), 0, 0, clientSz.x, rect.bottom - rect.top, true ) )
            {
                wxLogLastError(wxT("MoveWindow"));
            }

        }
#endif // WINCE_WITH_COMMANDBAR
    }

    // call the base class version to generate the appropriate events
    return false;
}

bool wxFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
{
    if ( control )
    {
        // In case it's e.g. a toolbar.
        wxWindow *win = wxFindWinFromHandle(control);
        if ( win )
            return win->MSWCommand(cmd, id);
    }

    // handle here commands from menus and accelerators
    if ( cmd == 0 || cmd == 1 )
    {
#if wxUSE_MENUS_NATIVE
        if ( wxCurrentPopupMenu )
        {
            wxMenu *popupMenu = wxCurrentPopupMenu;
            wxCurrentPopupMenu = NULL;

            return popupMenu->MSWCommand(cmd, id);
        }
#endif // wxUSE_MENUS_NATIVE

#if defined(__SMARTPHONE__) && defined(__WXWINCE__)
        // handle here commands from Smartphone menu bar
        if ( wxTopLevelWindow::HandleCommand(id, cmd, control ) )
        {
            return true;
        }
#endif // __SMARTPHONE__ && __WXWINCE__

        if ( ProcessCommand(id) )
        {
            return true;
        }
    }

    return false;
}

bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
{
    int item;
    if ( flags == 0xFFFF && hMenu == 0 )
    {
        // menu was removed from screen
        item = -1;
    }
#ifndef __WXMICROWIN__
    else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
    {
        item = nItem;
    }
#endif
    else
    {
        // don't give hints for separators (doesn't make sense) nor for the
        // items opening popup menus (they don't have them anyhow) but do clear
        // the status line - otherwise, we would be left with the help message
        // for the previous item which doesn't apply any more
        DoGiveHelp(wxEmptyString, false);

        return false;
    }

    wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
    event.SetEventObject(this);

    return GetEventHandler()->ProcessEvent(event);
}

bool wxFrame::HandleMenuLoop(const wxEventType& evtType, WXWORD isPopup)
{
    // we don't have the menu id here, so we use the id to specify if the event
    // was from a popup menu or a normal one
    wxMenuEvent event(evtType, isPopup ? -1 : 0);
    event.SetEventObject(this);

    return GetEventHandler()->ProcessEvent(event);
}

// ---------------------------------------------------------------------------
// the window proc for wxFrame
// ---------------------------------------------------------------------------

WXLRESULT wxFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
{
    WXLRESULT rc = 0;
    bool processed = false;

    switch ( message )
    {
#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
        case WM_ACTIVATE:
        {
            SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
            if (info)
                SHHandleWMActivate(GetHwnd(), wParam, lParam, info, FALSE);

            // This implicitly sends a wxEVT_ACTIVATE_APP event
            if (wxTheApp)
                wxTheApp->SetActive(wParam != 0, FindFocus());
            break;
        }
        case WM_SETTINGCHANGE:
        {
            SHACTIVATEINFO* info = (SHACTIVATEINFO*) m_activateInfo;
            if (info)
                SHHandleWMSettingChange(GetHwnd(), wParam, lParam, info);
            processed = true;
            break;
        }
        case WM_HIBERNATE:
        {
            wxActivateEvent event(wxEVT_HIBERNATE, true, wxID_ANY);
            event.SetEventObject(wxTheApp);

            if (wxTheApp)
            {
                processed = wxTheApp->ProcessEvent(event);
            }
            break;
        }
#endif

        case WM_CLOSE:
            // if we can't close, tell the system that we processed the
            // message - otherwise it would close us
            processed = !Close();
            break;

        case WM_SIZE:
            processed = HandleSize(LOWORD(lParam), HIWORD(lParam), wParam);
            break;

        case WM_COMMAND:
            {
                WORD id, cmd;
                WXHWND hwnd;
                UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
                              &id, &hwnd, &cmd);

                processed = HandleCommand(id, cmd, (WXHWND)hwnd);
            }
            break;

        case WM_PAINT:
            processed = HandlePaint();
            break;

        case WM_INITMENUPOPUP:
            processed = HandleInitMenuPopup((WXHMENU) wParam);
            break;

#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
        case WM_MENUSELECT:
            {
                WXWORD item, flags;
                WXHMENU hmenu;
                UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);

                processed = HandleMenuSelect(item, flags, hmenu);
            }
            break;

        case WM_EXITMENULOOP:
            processed = HandleMenuLoop(wxEVT_MENU_CLOSE, (WXWORD)wParam);
            break;

        case WM_QUERYDRAGICON:
            {
                const wxIcon& icon = GetIcon();
                HICON hIcon = icon.Ok() ? GetHiconOf(icon)
                                        : (HICON)GetDefaultIcon();
                rc = (long)hIcon;
                processed = rc != 0;
            }
            break;
#endif // !__WXMICROWIN__
    }

    if ( !processed )
        rc = wxFrameBase::MSWWindowProc(message, wParam, lParam);

    return rc;
}

// handle WM_INITMENUPOPUP message
bool wxFrame::HandleInitMenuPopup(WXHMENU hMenu)
{
    wxMenu* menu = NULL;
    if (GetMenuBar())
    {
        int nCount = GetMenuBar()->GetMenuCount();
        for (int n = 0; n < nCount; n++)
        {
            if (GetMenuBar()->GetMenu(n)->GetHMenu() == hMenu)
            {
                menu = GetMenuBar()->GetMenu(n);
                break;
            }
        }
    }

    wxMenuEvent event(wxEVT_MENU_OPEN, 0, menu);
    event.SetEventObject(this);

    return GetEventHandler()->ProcessEvent(event);
}

// ----------------------------------------------------------------------------
// wxFrame size management: we exclude the areas taken by menu/status/toolbars
// from the client area, so the client area is what's really available for the
// frame contents
// ----------------------------------------------------------------------------

// get the origin of the client area in the client coordinates
wxPoint wxFrame::GetClientAreaOrigin() const
{
    wxPoint pt = wxTopLevelWindow::GetClientAreaOrigin();

#if wxUSE_TOOLBAR && !defined(__WXUNIVERSAL__) && \
  (!defined(__WXWINCE__) || (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)))
    wxToolBar *toolbar = GetToolBar();
    if ( toolbar && toolbar->IsShown() )
    {
        int w, h;
        toolbar->GetSize(&w, &h);

        if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
        {
            pt.x += w;
        }
        else
        {
            pt.y += h;
        }
    }
#endif // wxUSE_TOOLBAR

#if defined(WINCE_WITH_COMMANDBAR)
    if (GetMenuBar() && GetMenuBar()->GetCommandBar())
    {
        RECT rect;
        ::GetWindowRect((HWND) GetMenuBar()->GetCommandBar(), &rect);
        pt.y += (rect.bottom - rect.top);
    }
#endif

    return pt;
}