wxwidgets.cpp

uclinux 下的vlc播放器源代码

    setlocale( LC_NUMERIC, "C" );
}

/* following functions are local */

/*****************************************************************************
 * Constructors.
 *****************************************************************************/
Instance::Instance( )
{
}

Instance::Instance( intf_thread_t *_p_intf )
{
    /* Initialization */
    p_intf = _p_intf;
}

IMPLEMENT_APP_NO_MAIN(Instance)

/*****************************************************************************
 * Instance::OnInit: the parent interface execution starts here
 *****************************************************************************
 * This is the "main program" equivalent, the program execution will
 * start here.
 *****************************************************************************/
bool Instance::OnInit()
{
    /* Initialization of i18n stuff.
     * Usefull for things we don't have any control over, like wxWidgets
     * provided facilities (eg. open file dialog) */
    locale.Init( wxLANGUAGE_DEFAULT, wxLOCALE_LOAD_DEFAULT );
    setlocale( LC_NUMERIC, "C" );

    /* Load saved window settings */
    p_intf->p_sys->p_window_settings = new WindowSettings( p_intf );

    /* Make an instance of your derived frame. Passing NULL (the default value
     * of Frame's constructor is NULL) as the frame doesn't have a parent
     * since it is the first window */

    if( !p_intf->pf_show_dialog )
    {
        /* The module is used in interface mode */
        long style = wxDEFAULT_FRAME_STYLE;
        if ( ! config_GetInt( p_intf, "wx-taskbar" ) )
        {
            style = wxDEFAULT_FRAME_STYLE|wxFRAME_NO_TASKBAR;
        }

        Interface *MainInterface = new Interface( p_intf, style );
        p_intf->p_sys->p_wxwindow = MainInterface;

        /* Show the interface */
        MainInterface->Show( TRUE );
        SetTopWindow( MainInterface );
        MainInterface->Raise();
    }

    /* Creates the dialogs provider */
    p_intf->p_sys->p_wxwindow =
        CreateDialogsProvider( p_intf, p_intf->pf_show_dialog ?
                               NULL : p_intf->p_sys->p_wxwindow );

    p_intf->p_sys->pf_show_dialog = ShowDialog;

    /* OK, initialization is over */
    vlc_thread_ready( p_intf );

    /* Check if we need to start playing */
    if( !p_intf->pf_show_dialog && p_intf->b_play )
    {
        playlist_t *p_playlist =
            (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
                                           FIND_ANYWHERE );
        if( p_playlist )
        {
            playlist_LockControl( p_playlist, PLAYLIST_AUTOPLAY );
            vlc_object_release( p_playlist );
        }
    }

    /* Return TRUE to tell program to continue (FALSE would terminate) */
    return TRUE;
}

/*****************************************************************************
 * Instance::OnExit: called when the interface execution stops
 *****************************************************************************/
int Instance::OnExit()
{
    if( p_intf->pf_show_dialog )
    {
         /* We need to manually clean up the dialogs class */
         if( p_intf->p_sys->p_wxwindow ) delete p_intf->p_sys->p_wxwindow;
    }

#if (wxCHECK_VERSION(2,5,0))
    wxClassInfo_sm_classTable_BUGGY = wxClassInfo::sm_classTable;
    wxClassInfo::sm_classTable = 0;
#endif

    return 0;
}

static void ShowDialog( intf_thread_t *p_intf, int i_dialog_event, int i_arg,
                        intf_dialog_args_t *p_arg )
{
    wxCommandEvent event( wxEVT_DIALOG, i_dialog_event );
    event.SetInt( i_arg );
    event.SetClientData( p_arg );

#ifdef WIN32
    SendMessage( (HWND)p_intf->p_sys->p_wxwindow->GetHandle(),
                 WM_CANCELMODE, 0, 0 );
#endif
    if( i_dialog_event == INTF_DIALOG_POPUPMENU && i_arg == 0 ) return;

    /* Hack to prevent popup events to be enqueued when
     * one is already active */
    if( i_dialog_event != INTF_DIALOG_POPUPMENU ||
        !p_intf->p_sys->p_popup_menu )
    {
        p_intf->p_sys->p_wxwindow->AddPendingEvent( event );
    }
}

/*****************************************************************************
 * WindowSettings utility class
 *****************************************************************************/
WindowSettings::WindowSettings( intf_thread_t *_p_intf )
{
    char *psz_org = NULL;
    char *psz;
    int i;

    /* */
    p_intf = _p_intf;

    /* */
    for( i = 0; i < ID_MAX; i++ )
    {
        b_valid[i] = false;
        b_shown[i] = false;
        position[i] = wxDefaultPosition;
        size[i] = wxDefaultSize;
    }
    b_shown[ID_MAIN] = true;

    if( p_intf->pf_show_dialog ) return;

    /* Parse the configuration */
    psz_org = psz = config_GetPsz( p_intf, "wx-config-last" );
    if( !psz || *psz == '\0' ) return;

    msg_Dbg( p_intf, "Using last windows config '%s'", psz );

    i_screen_w = 0;
    i_screen_h = 0;
    while( psz && *psz )
    {
        int id, v[4];

        psz = strchr( psz, '(' );

        if( !psz )
            break;
        psz++;

        id = strtol( psz, &psz, 0 );
        if( *psz != ',' ) /* broken cfg */
        {
            goto invalid;
        }
        psz++;

        for( i = 0; i < 4; i++ )
        {
            v[i] = strtol( psz, &psz, 0 );

            if( i < 3 )
            {
                if( *psz != ',' )
                {
                    goto invalid;
                }
                psz++;
            }
            else
            {
                if( *psz != ')' )
                {
                    goto invalid;
                }
            }
        }
        if( id == ID_SCREEN )
        {
            i_screen_w = v[2];
            i_screen_h = v[3];
        }
        else if( id >= 0 && id < ID_MAX )
        {
            b_valid[id] = true;
            b_shown[id] = true;
            position[id] = wxPoint( v[0], v[1] );
            size[id] = wxSize( v[2], v[3] );

            msg_Dbg( p_intf, "id=%d p=(%d,%d) s=(%d,%d)",
                     id, position[id].x, position[id].y,
                         size[id].x, size[id].y );
        }

        psz = strchr( psz, ')' );
        if( psz ) psz++;
    }

    if( i_screen_w <= 0 || i_screen_h <= 0 )
    {
        goto invalid;
    }

    for( i = 0; i < ID_MAX; i++ )
    {
        if( !b_valid[i] )
            continue;
        if( position[i].x < 0 || position[i].y < 0 )
        {
            goto invalid;
        }
        if( i != ID_SMALL_PLAYLIST && (size[i].x <= 0 || size[i].y <= 0)  )
        {
            goto invalid;
        }
    }

    if( psz_org ) free( psz_org );
    return;

invalid:
    msg_Dbg( p_intf, "last windows config is invalid (ignored)" );
    for( i = 0; i < ID_MAX; i++ )
    {
        b_valid[i] = false;
        b_shown[i] = false;
        position[i] = wxDefaultPosition;
        size[i] = wxDefaultSize;
    }
    if( psz_org ) free( psz_org );
}


WindowSettings::~WindowSettings( )
{
    wxString sCfg;

    if( p_intf->pf_show_dialog ) return;

    sCfg = wxString::Format( wxT("(%d,0,0,%d,%d)"), ID_SCREEN,
                             wxSystemSettings::GetMetric( wxSYS_SCREEN_X ),
                             wxSystemSettings::GetMetric( wxSYS_SCREEN_Y ) );
    for( int i = 0; i < ID_MAX; i++ )
    {
        if( !b_valid[i] || !b_shown[i] )
            continue;

        sCfg += wxString::Format( wxT("(%d,%d,%d,%d,%d)"),
                                  i, position[i].x, position[i].y,
                                     size[i].x, size[i].y );
    }

    config_PutPsz( p_intf, "wx-config-last", sCfg.mb_str(wxConvUTF8) );
}

void WindowSettings::SetScreen( int i_screen_w, int i_screen_h )
{
    int i;

    for( i = 0; i < ID_MAX; i++ )
    {
        if( !b_valid[i] )
            continue;
        if( position[i].x >= i_screen_w || position[i].y >= i_screen_h )
            goto invalid;
    }
    return;

invalid:
    for( i = 0; i < ID_MAX; i++ )
    {
        b_valid[i] = false;
        b_shown[i] = false;
        position[i] = wxDefaultPosition;
        size[i] = wxDefaultSize;
    }
}

void WindowSettings::SetSettings( int id, bool _b_shown, wxPoint p, wxSize s )
{
    if( id < 0 || id >= ID_MAX )
        return;

    b_valid[id] = true;
    b_shown[id] = _b_shown;

    position[id] = p;
    size[id] = s;
}

bool WindowSettings::GetSettings( int id, bool& _b_shown, wxPoint& p, wxSize& s)
{
    if( id < 0 || id >= ID_MAX )
        return false;

    if( !b_valid[id] )
        return false;

    _b_shown = b_shown[id];
    p = position[id];
    s = size[id];

    return true;
}