/***************************************************************************** * ncurses.c : NCurses interface for vlc ***************************************************************************** * Copyright ? 2001-2007 the VideoLAN team * $Id: d93d0a7deefd672fa244674277b3f6b5129f4517 $ * * 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> *          Rafa?l 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_Yield( p_intf );    p_sys->p_playlist = p_playlist;    int i_key;    time_t t_last_refresh;    /*     * 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 );