root/modules/gui/ncurses.c

/*****************************************************************************
 * ncurses.c : NCurses interface for vlc
 *****************************************************************************
 * Copyright © 2001-2007 the VideoLAN team
 * $Id$
 *
 * Authors: Sam Hocevar <sam@zoy.org>
 *          Laurent Aimar <fenrir@via.ecp.fr>
 *          Yoann Peronneau <yoann@videolan.org>
 *          Derk-Jan Hartman <hartman at videolan dot org>
 *          Rafaël Carré <funman@videolanorg>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

/*
 * Note that when we use wide characters (and link with libncursesw),
 * we assume that an UTF8 locale is used (or compatible, such as ASCII).
 * Other characters encodings are not supported.
 */

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <vlc_common.h>
#include <vlc_plugin.h>

#ifdef HAVE_NCURSESW
#   define _XOPEN_SOURCE_EXTENDED 1
#   include <wchar.h>
#endif

#include <ncurses.h>

#include <vlc_interface.h>
#include <vlc_vout.h>
#include <vlc_aout.h>
#include <vlc_charset.h>
#include <vlc_input.h>
#include <vlc_es.h>
#include <vlc_playlist.h>
#include <vlc_meta.h>

#include <assert.h>

#ifdef HAVE_SYS_STAT_H
#   include <sys/stat.h>
#endif
#if (!defined( WIN32 ) || defined(__MINGW32__))
/* Mingw has its own version of dirent */
#   include <dirent.h>
#endif

#ifdef HAVE_CDDAX
#define CDDA_MRL "cddax://"
#else
#define CDDA_MRL "cdda://"
#endif

#ifdef HAVE_VCDX
#define VCD_MRL "vcdx://"
#else
#define VCD_MRL "vcd://"
#endif

#define SEARCH_CHAIN_SIZE 20
#define OPEN_CHAIN_SIZE 50

/*****************************************************************************
 * Local prototypes.
 *****************************************************************************/
static int  Open           ( vlc_object_t * );
static void Close          ( vlc_object_t * );

static void Run            ( intf_thread_t * );
static void PlayPause      ( intf_thread_t * );
static void Eject          ( intf_thread_t * );

static int  HandleKey      ( intf_thread_t *, int );
static void Redraw         ( intf_thread_t *, time_t * );

static playlist_item_t *PlaylistGetRoot( intf_thread_t * );
static void PlaylistRebuild( intf_thread_t * );
static void PlaylistAddNode( intf_thread_t *, playlist_item_t *, int, const char *);
static void PlaylistDestroy( intf_thread_t * );
static int  PlaylistChanged( vlc_object_t *, const char *, vlc_value_t,
                             vlc_value_t, void * );
static inline bool PlaylistIsPlaying( intf_thread_t *,
                                            playlist_item_t * );
static void FindIndex      ( intf_thread_t * );
static void SearchPlaylist ( intf_thread_t *, char * );
static int  SubSearchPlaylist( intf_thread_t *, char *, int, int );

static void ManageSlider   ( intf_thread_t * );
static void ReadDir        ( intf_thread_t * );

static void start_color_and_pairs ( intf_thread_t * );

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/

#define BROWSE_TEXT N_("Filebrowser starting point")
#define BROWSE_LONGTEXT N_( \
    "This option allows you to specify the directory the ncurses filebrowser " \
    "will show you initially.")

vlc_module_begin();
    set_shortname( "Ncurses" );
    set_description( N_("Ncurses interface") );
    set_capability( "interface", 10 );
    set_category( CAT_INTERFACE );
    set_subcategory( SUBCAT_INTERFACE_MAIN );
    set_callbacks( Open, Close );
    add_shortcut( "curses" );
    add_directory( "browse-dir", NULL, NULL, BROWSE_TEXT, BROWSE_LONGTEXT, false );
vlc_module_end();

/*****************************************************************************
 * intf_sys_t: description and status of ncurses interface
 *****************************************************************************/
enum
{
    BOX_NONE,
    BOX_HELP,
    BOX_INFO,
    BOX_LOG,
    BOX_PLAYLIST,
    BOX_SEARCH,
    BOX_OPEN,
    BOX_BROWSE,
    BOX_META,
    BOX_OBJECTS,
    BOX_STATS
};
enum
{
    C_DEFAULT = 0,
    C_TITLE,
    C_PLAYLIST_1,
    C_PLAYLIST_2,
    C_PLAYLIST_3,
    C_BOX,
    C_STATUS,
    C_INFO,
    C_ERROR,
    C_WARNING,
    C_DEBUG,
    C_CATEGORY,
    C_FOLDER
};
enum
{
    VIEW_CATEGORY,
    VIEW_ONELEVEL
};
struct dir_entry_t
{
    bool  b_file;
    char        *psz_path;
};
struct pl_item_t
{
    playlist_item_t *p_item;
    char            *psz_display;
};
struct intf_sys_t
{
    input_thread_t *p_input;
    playlist_t     *p_playlist;

    bool      b_color;
    bool      b_color_started;

    float           f_slider;
    float           f_slider_old;

    WINDOW          *w;

    int             i_box_type;
    int             i_box_y;
    int             i_box_lines;
    int             i_box_lines_total;
    int             i_box_start;

    int             i_box_plidx;    /* Playlist index */
    int             b_box_plidx_follow;
    int             i_box_bidx;     /* browser index */

    playlist_item_t *p_node;        /* current node */

    int             b_box_cleared;

    msg_subscription_t* p_sub;                  /* message bank subscription */

    char            *psz_search_chain;          /* for playlist searching    */
    char            *psz_old_search;            /* for searching next        */
    int             i_before_search;

    char            *psz_open_chain;
#ifndef HAVE_NCURSESW
    char             psz_partial_keys[7];
#endif

    char            *psz_current_dir;
    int             i_dir_entries;
    struct dir_entry_t  **pp_dir_entries;
    bool      b_show_hidden_files;

    int             i_current_view;             /* playlist view             */
    struct pl_item_t    **pp_plist;
    int             i_plist_entries;
    bool      b_need_update;              /* for playlist view         */

    int             i_verbose;                  /* stores verbosity level    */
};

static void DrawBox( WINDOW *win, int y, int x, int h, int w, const char *title, bool b_color );
static void DrawLine( WINDOW *win, int y, int x, int w );
static void DrawEmptyLine( WINDOW *win, int y, int x, int w );

/*****************************************************************************
 * Open: initialize and create window
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    intf_sys_t    *p_sys;
    vlc_value_t    val;

    /* Allocate instance and initialize some members */
    p_sys = p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;
    p_sys->p_node = NULL;
    p_sys->p_input = NULL;
    p_sys->f_slider = 0.0;
    p_sys->f_slider_old = 0.0;
    p_sys->i_box_type = BOX_PLAYLIST;
    p_sys->i_box_lines = 0;
    p_sys->i_box_start= 0;
    p_sys->i_box_lines_total = 0;
    p_sys->b_box_plidx_follow = true;
    p_sys->b_box_cleared = false;
    p_sys->i_box_plidx = 0;
    p_sys->i_box_bidx = 0;
    p_sys->p_sub = msg_Subscribe( p_intf );
    p_sys->b_color = var_CreateGetBool( p_intf, "color" );
    p_sys->b_color_started = false;

#ifndef HAVE_NCURSESW
    memset( p_sys->psz_partial_keys, 0, sizeof( p_sys->psz_partial_keys ) );
#endif

    /* Initialize the curses library */
    p_sys->w = initscr();

    if( p_sys->b_color )
        start_color_and_pairs( p_intf );

    keypad( p_sys->w, TRUE );
    /* Don't do NL -> CR/NL */
    nonl();
    /* Take input chars one at a time */
    cbreak();
    /* Don't echo */
    noecho();
    /* Invisible cursor */
    curs_set( 0 );
    /* Non blocking wgetch() */
    wtimeout( p_sys->w, 0 );

    clear();

    /* exported function */
    p_intf->pf_run = Run;

    /* Remember verbosity level */
    var_Get( p_intf->p_libvlc, "verbose", &val );
    p_sys->i_verbose = val.i_int;
    /* Set quiet mode */
    val.i_int = -1;
    var_Set( p_intf->p_libvlc, "verbose", val );

    /* Set defaul playlist view */
    p_sys->i_current_view = VIEW_CATEGORY;
    p_sys->pp_plist = NULL;
    p_sys->i_plist_entries = 0;
    p_sys->b_need_update = false;

    /* Initialize search chain */
    p_sys->psz_search_chain = (char *)malloc( SEARCH_CHAIN_SIZE + 1 );
    p_sys->psz_old_search = NULL;
    p_sys->i_before_search = 0;

    /* Initialize open chain */
    p_sys->psz_open_chain = (char *)malloc( OPEN_CHAIN_SIZE + 1 );

    /* Initialize browser options */
    var_Create( p_intf, "browse-dir", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Get( p_intf, "browse-dir", &val);

    if( val.psz_string && *val.psz_string )
    {
        p_sys->psz_current_dir = strdup( val.psz_string );
    }
    else
    {
        p_sys->psz_current_dir = strdup( config_GetHomeDir() );
    }

    free( val.psz_string );

    p_sys->i_dir_entries = 0;
    p_sys->pp_dir_entries = NULL;
    p_sys->b_show_hidden_files = false;
    ReadDir( p_intf );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * Close: destroy interface window
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    intf_sys_t    *p_sys = p_intf->p_sys;

    PlaylistDestroy( p_intf );

    while( p_sys->i_dir_entries )
    {
        struct dir_entry_t *p_dir_entry = p_sys->pp_dir_entries[0];
        free( p_dir_entry->psz_path );
        REMOVE_ELEM( p_sys->pp_dir_entries, p_sys->i_dir_entries, 0 );
        free( p_dir_entry );
    }
    p_sys->pp_dir_entries = NULL;

    free( p_sys->psz_current_dir );
    free( p_sys->psz_search_chain );
    free( p_sys->psz_old_search );
    free( p_sys->psz_open_chain );

    if( p_sys->p_input )
    {
        vlc_object_release( p_sys->p_input );
    }
    pl_Release( p_intf );

    /* Close the ncurses interface */
    endwin();

    msg_Unsubscribe( p_intf, p_sys->p_sub );

    /* Restores initial verbose setting */
    vlc_value_t val;
    val.i_int = p_sys->i_verbose;
    var_Set( p_intf->p_libvlc, "verbose", val );

    /* Destroy structure */
    free( p_sys );
}

/*****************************************************************************
 * Run: ncurses thread
 *****************************************************************************/
static void Run( intf_thread_t *p_intf )
{
    intf_sys_t    *p_sys = p_intf->p_sys;
    playlist_t    *p_playlist = pl_Hold( p_intf );
    p_sys->p_playlist = p_playlist;

    int i_key;
    time_t t_last_refresh;
    int canc = vlc_savecancel();

    /*
     * force drawing the interface for the first time
     */
    t_last_refresh = ( time( 0 ) - 1);
    /*
     * force building of the playlist array
     */
    PlaylistRebuild( p_intf );
    var_AddCallback( p_playlist, "intf-change", PlaylistChanged, p_intf );
    var_AddCallback( p_playlist, "item-append", PlaylistChanged, p_intf );
    var_AddCallback( p_playlist, "item-change", PlaylistChanged, p_intf );

    while( vlc_object_alive( p_intf ) )
    {
        msleep( INTF_IDLE_SLEEP );

        /* Update the input */
        PL_LOCK;
        if( p_sys->p_input == NULL )
        {
            p_sys->p_input = playlist_CurrentInput( p_playlist );
        }
        else if( p_sys->p_input->b_dead )
        {
            vlc_object_release( p_sys->p_input );
            p_sys->p_input = NULL;
            p_sys->f_slider = p_sys->f_slider_old = 0.0;
            p_sys->b_box_cleared = false;
        }
        PL_UNLOCK;

        if( p_sys->b_box_plidx_follow && playlist_CurrentPlayingItem(p_playlist) )
        {
            FindIndex( p_intf );
        }

        while( ( i_key = wgetch( p_sys->w ) ) != -1 )
        {
            /*
             * HandleKey returns 1 if the screen needs to be redrawn
             */
            if( HandleKey( p_intf, i_key ) )
            {
                Redraw( p_intf, &t_last_refresh );
            }
        }
        /* Hack */
        if( p_sys->f_slider > 0.0001 && !p_sys->b_box_cleared )
        {
            clear();
            Redraw( p_intf, &t_last_refresh );
            p_sys->b_box_cleared = true;
        }

        /*
         * redraw the screen every second
         */
        if( (time(0) - t_last_refresh) >= 1 )
        {
            ManageSlider( p_intf );
            Redraw( p_intf, &t_last_refresh );
        }
    }
    var_DelCallback( p_playlist, "intf-change", PlaylistChanged, p_intf );
    var_DelCallback( p_playlist, "item-append", PlaylistChanged, p_intf );
    var_DelCallback( p_playlist, "item-change", PlaylistChanged, p_intf );
    vlc_restorecancel( canc );
}

/* following functions are local */
static void start_color_and_pairs( intf_thread_t *p_intf )
{
    assert( p_intf->p_sys->b_color && !p_intf->p_sys->b_color_started );

    if( !has_colors() )
    {
        p_intf->p_sys->b_color = false;
        msg_Warn( p_intf, "Terminal doesn't support colors" );
        return;
    }

    start_color();

    /* Available colors: BLACK RED GREEN YELLOW BLUE MAGENTA CYAN WHITE */

    /* untested, in all my terminals, !can_change_color() --funman */
    if( can_change_color() )
        init_color( COLOR_YELLOW, 960, 500, 0 ); /* YELLOW -> ORANGE */

    /* title */
    init_pair( C_TITLE, COLOR_YELLOW, COLOR_BLACK );

    /* jamaican playlist */
    init_pair( C_PLAYLIST_1, COLOR_GREEN, COLOR_BLACK );
    init_pair( C_PLAYLIST_2, COLOR_YELLOW, COLOR_BLACK );
    init_pair( C_PLAYLIST_3, COLOR_RED, COLOR_BLACK );

    /* used in DrawBox() */
    init_pair( C_BOX, COLOR_CYAN, COLOR_BLACK );
    /* Source, State, Position, Volume, Chapters, etc...*/
    init_pair( C_STATUS, COLOR_BLUE, COLOR_BLACK );

    /* VLC messages, keep the order from highest priority to lowest */

    /* infos */
    init_pair( C_INFO, COLOR_BLACK, COLOR_WHITE );
    /* errors */
    init_pair( C_ERROR, COLOR_RED, COLOR_BLACK );
    /* warnings */
    init_pair( C_WARNING, COLOR_YELLOW, COLOR_BLACK );
/* debug */
    init_pair( C_DEBUG, COLOR_WHITE, COLOR_BLACK );

    /* Category title (help, info, metadata) */
    init_pair( C_CATEGORY, COLOR_MAGENTA, COLOR_BLACK );

    /* Folder (BOX_BROWSE) */
    init_pair( C_FOLDER, COLOR_RED, COLOR_BLACK );

    p_intf->p_sys->b_color_started = true;
}

#ifndef HAVE_NCURSESW
static char *KeyToUTF8( int i_key, char *psz_part )
{
    char *psz_utf8;
    int len = strlen( psz_part );
    if( len == 6 )
    {
        /* overflow error - should not happen */
        memset( psz_part, 0, 6 );
        return NULL;
    }

    psz_part[len] = (char)i_key;

    psz_utf8 = FromLocaleDup( psz_part );

    /* Ugly check for incomplete bytes sequences
     * (in case of non-UTF8 multibyte local encoding) */
    char *psz;
    for( psz = psz_utf8; *psz; psz++ )
        if( ( *psz == '?' ) && ( *psz_utf8 != '?' ) )
        {
            /* incomplete bytes sequence detected
             * (VLC core inserted dummy question marks) */
            free( psz_utf8 );
            return NULL;
        }

    /* Check for incomplete UTF8 bytes sequence */
    if( EnsureUTF8( psz_utf8 ) == NULL )
    {
        free( psz_utf8 );
        return NULL;
    }

    memset( psz_part, 0, 6 );
    return psz_utf8;
}
#endif

static inline int RemoveLastUTF8Entity( char *psz, int len )
{
    while( len && ( (psz[--len] & 0xc0) == 0x80 ) );
                       /* UTF8 continuation byte */

    psz[len] = '\0';
    return len;
}

static int HandleKey( intf_thread_t *p_intf, int i_key )
{
    intf_sys_t *p_sys = p_intf->p_sys;
    vlc_value_t val;

    #define ReturnTrue \
    do { \
    vlc_object_release( p_playlist ); \
    return 1; \
    } while(0)

    #define ReturnFalse \
    do { \
    vlc_object_release( p_playlist ); \
    return 0; \
    } while(0)

    playlist_t *p_playlist = pl_Hold( p_intf );

    if( p_sys->i_box_type == BOX_PLAYLIST )
    {
        int b_ret = true;
        bool b_box_plidx_follow = false;

        switch( i_key )
        {
            vlc_value_t val;
            /* Playlist Settings */
            case 'r':
                var_Get( p_playlist, "random", &val );
                val.b_bool = !val.b_bool;
                var_Set( p_playlist, "random", val );
                ReturnTrue;
            case 'l':
                var_Get( p_playlist, "loop", &val );
                val.b_bool = !val.b_bool;
                var_Set( p_playlist, "loop", val );
                ReturnTrue;
            case 'R':
                var_Get( p_playlist, "repeat", &val );
                val.b_bool = !val.b_bool;
                var_Set( p_playlist, "repeat", val );
                ReturnTrue;

            /* Playlist sort */
            case 'o':
                playlist_RecursiveNodeSort( p_playlist,
                                            PlaylistGetRoot( p_intf ),
                                            SORT_TITLE_NODES_FIRST, ORDER_NORMAL );
                p_sys->b_need_update = true;
                ReturnTrue;
            case 'O':
                playlist_RecursiveNodeSort( p_playlist,
                                            PlaylistGetRoot( p_intf ),
                                            SORT_TITLE_NODES_FIRST, ORDER_REVERSE );
                p_sys->b_need_update = true;
                ReturnTrue;

            /* Playlist view */
            case 'v':
                switch( p_sys->i_current_view )
                {
                    case VIEW_CATEGORY:
                        p_sys->i_current_view = VIEW_ONELEVEL;
                        break;
                    default:
                        p_sys->i_current_view = VIEW_CATEGORY;
                }
                //p_sys->b_need_update = true;
                PlaylistRebuild( p_intf );
                ReturnTrue;

            /* Playlist navigation */
            case 'g':
                FindIndex( p_intf );
                break;
            case KEY_HOME:
                p_sys->i_box_plidx = 0;
                break;
#ifdef __FreeBSD__
/* workaround for FreeBSD + xterm:
 * see http://www.nabble.com/curses-vs.-xterm-key-mismatch-t3574377.html */
            case KEY_SELECT:
#endif
            case KEY_END:
                p_sys->i_box_plidx = p_playlist->items.i_size - 1;
                break;
            case KEY_UP:
                p_sys->i_box_plidx--;
                break;
            case KEY_DOWN:
                p_sys->i_box_plidx++;
                break;
            case KEY_PPAGE:
                p_sys->i_box_plidx -= p_sys->i_box_lines;
                break;
            case KEY_NPAGE:
                p_sys->i_box_plidx += p_sys->i_box_lines;
                break;
            case 'D':
            case KEY_BACKSPACE:
            case 0x7f:
            case KEY_DC:
            {
                playlist_item_t *p_item;

                PL_LOCK;
                p_item = p_sys->pp_plist[p_sys->i_box_plidx]->p_item;
                if( p_item->i_children == -1 )
                {
                    playlist_DeleteFromInput( p_playlist,
                                              p_item->p_input->i_id, pl_Locked );
                }
                else
                {
                    playlist_NodeDelete( p_playlist, p_item,
                                         true , false );
                }
                PL_UNLOCK;
                PlaylistRebuild( p_intf );
                break;
            }

            case KEY_ENTER:
            case '\r':
            case '\n':
                if( !p_sys->pp_plist[p_sys->i_box_plidx] )
                {
                    b_ret = false;
                    break;
                }
                if( p_sys->pp_plist[p_sys->i_box_plidx]->p_item->i_children
                        == -1 )
                {
                    playlist_item_t *p_item, *p_parent;
                    p_item = p_parent =
                            p_sys->pp_plist[p_sys->i_box_plidx]->p_item;

                    if( !p_parent )
                        p_parent = p_playlist->p_root_onelevel;
                    while( p_parent->p_parent )
                        p_parent = p_parent->p_parent;
                    playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
                                      pl_Unlocked, p_parent, p_item );
                }
                else if( p_sys->pp_plist[p_sys->i_box_plidx]->p_item->i_children
                        == 0 )
                {   /* We only want to set the current node */
                    playlist_Stop( p_playlist );
                    p_sys->p_node = p_sys->pp_plist[p_sys->i_box_plidx]->p_item;
                }
                else
                {
                    p_sys->p_node = p_sys->pp_plist[p_sys->i_box_plidx]->p_item;
                    playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, pl_Unlocked,
                        p_sys->pp_plist[p_sys->i_box_plidx]->p_item, NULL );
                }
                b_box_plidx_follow = true;
                break;
            default:
                b_ret = false;
                break;
        }

        if( b_ret )
        {
            int i_max = p_sys->i_plist_entries;
            if( p_sys->i_box_plidx >= i_max ) p_sys->i_box_plidx = i_max - 1;
            if( p_sys->i_box_plidx < 0 ) p_sys->i_box_plidx = 0;
            if( PlaylistIsPlaying( p_intf,
                    p_sys->pp_plist[p_sys->i_box_plidx]->p_item ) )
                b_box_plidx_follow = true;
            p_sys->b_box_plidx_follow = b_box_plidx_follow;
            ReturnTrue;
        }
    }
    if( p_sys->i_box_type == BOX_BROWSE )
    {
        bool b_ret = true;
        /* Browser navigation */
        switch( i_key )
        {
            case KEY_HOME:
                p_sys->i_box_bidx = 0;
                break;
#ifdef __FreeBSD__
            case KEY_SELECT:
#endif
            case KEY_END:
                p_sys->i_box_bidx = p_sys->i_dir_entries - 1;
                break;
            case KEY_UP:
                p_sys->i_box_bidx--;
                break;
            case KEY_DOWN:
                p_sys->i_box_bidx++;
                break;
            case KEY_PPAGE:
                p_sys->i_box_bidx -= p_sys->i_box_lines;
                break;
            case KEY_NPAGE:
                p_sys->i_box_bidx += p_sys->i_box_lines;
                break;
            case '.': /* Toggle show hidden files */
                p_sys->b_show_hidden_files = ( p_sys->b_show_hidden_files ==
                    true ? false : true );
                ReadDir( p_intf );
                break;

            case KEY_ENTER:
            case '\r':
            case '\n':
            case ' ':
                if( p_sys->pp_dir_entries[p_sys->i_box_bidx]->b_file || i_key == ' ' )
                {
                    int i_size_entry = strlen( "directory://" ) +
                                       strlen( p_sys->psz_current_dir ) +
                                       strlen( p_sys->pp_dir_entries[p_sys->i_box_bidx]->psz_path ) + 2;
                    char *psz_uri = (char *)malloc( sizeof(char)*i_size_entry);

                    sprintf( psz_uri, "directory://%s/%s", p_sys->psz_current_dir, p_sys->pp_dir_entries[p_sys->i_box_bidx]->psz_path );

                    playlist_item_t *p_parent = p_sys->p_node;
                    if( !p_parent )
                    p_parent = playlist_CurrentPlayingItem(p_playlist) ? playlist_CurrentPlayingItem(p_playlist)->p_parent : NULL;
                    if( !p_parent )
                        p_parent = p_playlist->p_local_onelevel;

                    while( p_parent->p_parent && p_parent->p_parent->p_parent )
                        p_parent = p_parent->p_parent;

                    playlist_Add( p_playlist, psz_uri, NULL, PLAYLIST_APPEND,
                                  PLAYLIST_END,
                                  p_parent->p_input ==
                                    p_playlist->p_local_onelevel->p_input
                                  , false );

                    p_sys->i_box_type = BOX_PLAYLIST;
                    free( psz_uri );
                }
                else
                {
                    int i_size_entry = strlen( p_sys->psz_current_dir ) +
                                       strlen( p_sys->pp_dir_entries[p_sys->i_box_bidx]->psz_path ) + 2;
                    char *psz_uri = (char *)malloc( sizeof(char)*i_size_entry);

                    sprintf( psz_uri, "%s/%s", p_sys->psz_current_dir, p_sys->pp_dir_entries[p_sys->i_box_bidx]->psz_path );

                    p_sys->psz_current_dir = strdup( psz_uri );
                    ReadDir( p_intf );
                    free( psz_uri );
                }
                break;
            default:
                b_ret = false;
                break;
        }
        if( b_ret )
        {
            if( p_sys->i_box_bidx >= p_sys->i_dir_entries ) p_sys->i_box_bidx = p_sys->i_dir_entries - 1;
            if( p_sys->i_box_bidx < 0 ) p_sys->i_box_bidx = 0;
            ReturnTrue;
        }
    }
    else if( p_sys->i_box_type == BOX_HELP || p_sys->i_box_type == BOX_INFO ||
             p_sys->i_box_type == BOX_META || p_sys->i_box_type == BOX_STATS ||
             p_sys->i_box_type == BOX_OBJECTS )
    {
        switch( i_key )
        {
            case KEY_HOME:
                p_sys->i_box_start = 0;
                ReturnTrue;
#ifdef __FreeBSD__
            case KEY_SELECT:
#endif
            case KEY_END:
                p_sys->i_box_start = p_sys->i_box_lines_total - 1;
                ReturnTrue;
            case KEY_UP:
                if( p_sys->i_box_start > 0 ) p_sys->i_box_start--;
                ReturnTrue;
            case KEY_DOWN:
                if( p_sys->i_box_start < p_sys->i_box_lines_total - 1 )
                {
                    p_sys->i_box_start++;
                }
                ReturnTrue;
            case KEY_PPAGE:
                p_sys->i_box_start -= p_sys->i_box_lines;
                if( p_sys->i_box_start < 0 ) p_sys->i_box_start = 0;
                ReturnTrue;
            case KEY_NPAGE:
                p_sys->i_box_start += p_sys->i_box_lines;
                if( p_sys->i_box_start >= p_sys->i_box_lines_total )
                {
                    p_sys->i_box_start = p_sys->i_box_lines_total - 1;
                }
                ReturnTrue;
            default:
                break;
        }
    }
    else if( p_sys->i_box_type == BOX_NONE )
    {
        switch( i_key )
        {
            case KEY_HOME:
                p_sys->f_slider = 0;
                ManageSlider( p_intf );
                ReturnTrue;
#ifdef __FreeBSD__
            case KEY_SELECT:
#endif
            case KEY_END:
                p_sys->f_slider = 99.9;
                ManageSlider( p_intf );
                ReturnTrue;
            case KEY_UP:
                p_sys->f_slider += 5.0;