ncurses.c

VLC Player Source Code

    var_AddCallback( p_playlist, "item-append", PlaylistChanged, p_intf );
    var_AddCallback( p_playlist, "item-change", PlaylistChanged, p_intf );

    while( !intf_ShouldDie( p_intf ) )
    {
        msleep( INTF_IDLE_SLEEP );

        /* Update the input */
        PL_LOCK;
        if( p_sys->p_input == NULL )
        {
            p_sys->p_input = p_playlist->p_input;
            if( p_sys->p_input )
            {
                if( !p_sys->p_input->b_dead )
                {
                    vlc_object_yield( p_sys->p_input );
                }
            }
        }
        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 && p_playlist->status.p_item )
        {
            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 );
}

/* 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_Yield( 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 = p_playlist->status.p_node;
                    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 ==