ncurses.c

uclinux 下的vlc播放器源代码

            /* Chapter */
            if( !var_Get( p_input, "chapter", &val ) )
            {
                var_Change( p_input, "chapter", VLC_VAR_GETCHOICES, &val_list, NULL );
                if( val_list.p_list->i_count > 0 )
                {
                    mvnprintw( y++, 0, COLS, " Chapter  : %d/%d", val.i_int, val_list.p_list->i_count );
                }
                var_Change( p_input, "chapter", VLC_VAR_FREELIST, &val_list, NULL );
            }
        }
        else
        {
            y += 2;
        }
    }
    else
    {
        mvnprintw( y++, 0, COLS, "Source: <no current item>" );
        DrawEmptyLine( p_sys->w, y++, 0, COLS );
        DrawEmptyLine( p_sys->w, y++, 0, COLS );
        DrawEmptyLine( p_sys->w, y++, 0, COLS );
    }

    DrawBox( p_sys->w, y, 0, 3, COLS, "" );
    DrawEmptyLine( p_sys->w, y+1, 1, COLS-2);
    DrawLine( p_sys->w, y+1, 1, (int)(p_intf->p_sys->f_slider/100.0 * (COLS -2)) );
    y += 3;

    p_sys->i_box_y = y + 1;
    p_sys->i_box_lines = LINES - y - 2;

    h = LINES - y;
    y_end = y + h - 1;

    if( p_sys->i_box_type == BOX_HELP )
    {
        /* Help box */
        int l = 0;
        DrawBox( p_sys->w, y++, 0, h, COLS, " Help " );

        MainBoxWrite( p_intf, l++, 1, "[Display]" );
        MainBoxWrite( p_intf, l++, 1, "     h,H         Show/Hide help box" );
        MainBoxWrite( p_intf, l++, 1, "     i           Show/Hide info box" );
        MainBoxWrite( p_intf, l++, 1, "     L           Show/Hide messages box" );
        MainBoxWrite( p_intf, l++, 1, "     P           Show/Hide playlist box" );
        MainBoxWrite( p_intf, l++, 1, "     B           Show/Hide filebrowser" );
        MainBoxWrite( p_intf, l++, 1, "" );

        MainBoxWrite( p_intf, l++, 1, "[Global]" );
        MainBoxWrite( p_intf, l++, 1, "     q, Q        Quit" );
        MainBoxWrite( p_intf, l++, 1, "     s           Stop" );
        MainBoxWrite( p_intf, l++, 1, "     <space>     Pause/Play" );
        MainBoxWrite( p_intf, l++, 1, "     f           Toggle Fullscreen" );
        MainBoxWrite( p_intf, l++, 1, "     n, p        Next/Previous playlist item" );
        MainBoxWrite( p_intf, l++, 1, "     [, ]        Next/Previous title" );
        MainBoxWrite( p_intf, l++, 1, "     <, >        Next/Previous chapter" );
        MainBoxWrite( p_intf, l++, 1, "     <right>     Seek +1%%" );
        MainBoxWrite( p_intf, l++, 1, "     <left>      Seek -1%%" );
        MainBoxWrite( p_intf, l++, 1, "     a           Volume Up" );
        MainBoxWrite( p_intf, l++, 1, "     z           Volume Down" );
        MainBoxWrite( p_intf, l++, 1, "" );

        MainBoxWrite( p_intf, l++, 1, "[Playlist]" );
        MainBoxWrite( p_intf, l++, 1, "     r           Random" );
        MainBoxWrite( p_intf, l++, 1, "     l           Loop Playlist" );
        MainBoxWrite( p_intf, l++, 1, "     R           Repeat item" );
        MainBoxWrite( p_intf, l++, 1, "     o           Order Playlist by title" );
        MainBoxWrite( p_intf, l++, 1, "     O           Reverse order Playlist by title" );
        MainBoxWrite( p_intf, l++, 1, "     /           Look for an item" );
        MainBoxWrite( p_intf, l++, 1, "     A           Add an entry" );
        MainBoxWrite( p_intf, l++, 1, "     D, <del>    Delete an entry" );
        MainBoxWrite( p_intf, l++, 1, "     <backspace> Delete an entry" );
        MainBoxWrite( p_intf, l++, 1, "" );

        MainBoxWrite( p_intf, l++, 1, "[Filebrowser]" );
        MainBoxWrite( p_intf, l++, 1, "     <enter>     Add the selected file to the playlist" );
        MainBoxWrite( p_intf, l++, 1, "     <space>     Add the selected directory to the playlist" );
        MainBoxWrite( p_intf, l++, 1, "     .           Show/Hide hidden files" );
        MainBoxWrite( p_intf, l++, 1, "" );

        MainBoxWrite( p_intf, l++, 1, "[Boxes]" );
        MainBoxWrite( p_intf, l++, 1, "     <up>,<down>     Navigate through the box line by line" );
        MainBoxWrite( p_intf, l++, 1, "     <pgup>,<pgdown> Navigate through the box page by page" );
        MainBoxWrite( p_intf, l++, 1, "" );

        MainBoxWrite( p_intf, l++, 1, "[Player]" );
        MainBoxWrite( p_intf, l++, 1, "     <up>,<down>     Seek +/-5%%" );
        MainBoxWrite( p_intf, l++, 1, "" );

        MainBoxWrite( p_intf, l++, 1, "[Miscellaneous]" );
        MainBoxWrite( p_intf, l++, 1, "     Ctrl-l          Refresh the screen" );

        p_sys->i_box_lines_total = l;
        if( p_sys->i_box_start >= p_sys->i_box_lines_total )
        {
            p_sys->i_box_start = p_sys->i_box_lines_total - 1;
        }

        if( l - p_sys->i_box_start < p_sys->i_box_lines )
        {
            y += l - p_sys->i_box_start;
        }
        else
        {
            y += p_sys->i_box_lines;
        }
    }
    else if( p_sys->i_box_type == BOX_INFO )
    {
        /* Info box */
        int l = 0;
        DrawBox( p_sys->w, y++, 0, h, COLS, " Information " );

        if( p_input )
        {
            int i,j;
            vlc_mutex_lock( &p_input->input.p_item->lock );
            for( i = 0; i < p_input->input.p_item->i_categories; i++ )
            {
                info_category_t *p_category = p_input->input.p_item->pp_categories[i];
                if( y >= y_end ) break;
                MainBoxWrite( p_intf, l++, 1, "  [%s]", p_category->psz_name );
                for( j = 0; j < p_category->i_infos; j++ )
                {
                    info_t *p_info = p_category->pp_infos[j];
                    if( y >= y_end ) break;
                    MainBoxWrite( p_intf, l++, 1, "      %s: %s", p_info->psz_name, p_info->psz_value );
                }
            }
            vlc_mutex_unlock( &p_input->input.p_item->lock );
        }
        else
        {
            MainBoxWrite( p_intf, l++, 1, "No item currently playing" );
        }
        p_sys->i_box_lines_total = l;
        if( p_sys->i_box_start >= p_sys->i_box_lines_total )
        {
            p_sys->i_box_start = p_sys->i_box_lines_total - 1;
        }

        if( l - p_sys->i_box_start < p_sys->i_box_lines )
        {
            y += l - p_sys->i_box_start;
        }
        else
        {
            y += p_sys->i_box_lines;
        }
    }
    else if( p_sys->i_box_type == BOX_LOG )
    {
        int i_line = 0;
        int i_stop;
        int i_start;

        DrawBox( p_sys->w, y++, 0, h, COLS, " Logs " );

        i_start = p_intf->p_sys->p_sub->i_start;

        vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
        i_stop = *p_intf->p_sys->p_sub->pi_stop;
        vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );

        for( ;; )
        {
            static const char *ppsz_type[4] = { "", "error", "warning", "debug" };
            if( i_line >= h - 2 )
            {
                break;
            }
            i_stop--;
            i_line++;
            if( i_stop < 0 ) i_stop += VLC_MSG_QSIZE;
            if( i_stop == i_start )
            {
                break;
            }
            mvnprintw( y + h-2-i_line, 1, COLS - 2, "   [%s] %s",
                      ppsz_type[p_sys->p_sub->p_msg[i_stop].i_type],
                      p_sys->p_sub->p_msg[i_stop].psz_msg );
        }

        vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
        p_intf->p_sys->p_sub->i_start = i_stop;
        vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
        y = y_end;
    }
    else if( p_sys->i_box_type == BOX_BROWSE )
    {
        /* Filebrowser box */
        int        i_start, i_stop;
        int        i_item;
        DrawBox( p_sys->w, y++, 0, h, COLS, " Browse " );

        if( p_sys->i_box_bidx >= p_sys->i_dir_entries ) p_sys->i_box_plidx = p_sys->i_dir_entries - 1;
        if( p_sys->i_box_bidx < 0 ) p_sys->i_box_bidx = 0;

        if( p_sys->i_box_bidx < (h - 2)/2 )
        {
            i_start = 0;
            i_stop = h - 2;
        }
        else if( p_sys->i_dir_entries - p_sys->i_box_bidx > (h - 2)/2 )
        {
            i_start = p_sys->i_box_bidx - (h - 2)/2;
            i_stop = i_start + h - 2;
        }
        else
        {
            i_stop = p_sys->i_dir_entries;
            i_start = p_sys->i_dir_entries - (h - 2);
        }
        if( i_start < 0 )
        {
            i_start = 0;
        }
        if( i_stop > p_sys->i_dir_entries )
        {
            i_stop = p_sys->i_dir_entries;
        }

        for( i_item = i_start; i_item < i_stop; i_item++ )
        {
            vlc_bool_t b_selected = ( p_sys->i_box_bidx == i_item );

            if( y >= y_end ) break;
            if( b_selected )
            {
                attrset( A_REVERSE );
            }
            mvnprintw( y++, 1, COLS - 2, " %c %s", p_sys->pp_dir_entries[i_item]->b_file == VLC_TRUE ? ' ' : '+',
                            p_sys->pp_dir_entries[i_item]->psz_path );
            if( b_selected )
            {
                attroff( A_REVERSE );
            }
        }

    }
    else if( ( p_sys->i_box_type == BOX_PLAYLIST ||
               p_sys->i_box_type == BOX_SEARCH ||
               p_sys->i_box_type == BOX_OPEN  ) && p_sys->p_playlist )
    {
        /* Playlist box */
        playlist_t *p_playlist = p_sys->p_playlist;
        int        i_start, i_stop, i_max = p_sys->i_plist_entries;
        int        i_item;
        char       *psz_title;

        switch( p_sys->i_current_view )
        {
            case VIEW_ALL:
                psz_title = strdup( " Playlist (All, unsorted) " );
                i_max = p_playlist->i_size;
                break;
            case VIEW_CATEGORY:
                psz_title = strdup( " Playlist (By category) " );
                break;
            default:
                psz_title = strdup( " Playlist (Manually added) " );
        }

        DrawBox( p_sys->w, y++, 0, h, COLS, psz_title );

        if( p_sys->i_current_view != VIEW_ALL &&
                ( p_sys->b_need_update || p_sys->pp_plist == NULL ) )
        {
            PlaylistRebuild( p_intf );
        }
        if( p_sys->b_box_plidx_follow )
        {
            FindIndex( p_intf );
        }

        if( p_sys->i_box_plidx < 0 ) p_sys->i_box_plidx = 0;

        if( p_sys->i_box_plidx < (h - 2)/2 )
        {
            i_start = 0;
            i_stop = h - 2;
        }
        else if( i_max - p_sys->i_box_plidx > (h - 2)/2 )
        {
            i_start = p_sys->i_box_plidx - (h - 2)/2;
            i_stop = i_start + h - 2;
        }
        else
        {
            i_stop = i_max;
            i_start = i_max - (h - 2);
        }
        if( i_start < 0 )
        {
            i_start = 0;
        }
        if( i_stop > i_max )
        {
            i_stop = i_max;
        }

       if( p_sys->i_current_view == VIEW_ALL )
       {

        for( i_item = i_start; i_item < i_stop; i_item++ )
        {
            vlc_bool_t b_selected = ( p_sys->i_box_plidx == i_item );
            int c = p_playlist->i_index == i_item ? '>' : ' ';

            if( y >= y_end ) break;
            if( b_selected )
            {
                attrset( A_REVERSE );
            }
            if( !strcmp( p_playlist->pp_items[i_item]->input.psz_name,
                         p_playlist->pp_items[i_item]->input.psz_uri ) )
            {
                mvnprintw( y++, 1, COLS - 2, "%c %d - '%s'",
                           c,
                           i_item,
                           p_playlist->pp_items[i_item]->input.psz_uri );
            }
            else
            {
                mvnprintw( y++, 1, COLS - 2, "%c %d - '%s' (%s)",
                          c,
                          i_item,
                          p_playlist->pp_items[i_item]->input.psz_uri,
                          p_playlist->pp_items[i_item]->input.psz_name );
            }
            if( b_selected )
            {
                attroff( A_REVERSE );
            }
        }

       }
       else
       {

        for( i_item = i_start; i_item < i_stop; i_item++ )
        {
            vlc_bool_t b_selected = ( p_sys->i_box_plidx == i_item );
            int c = ( p_playlist->status.p_item ==
                          p_sys->pp_plist[i_item]->p_item ) ? '>' : ' ';

            if( y >= y_end ) break;
            if( b_selected )
            {
                attrset( A_REVERSE );
            }
            mvnprintw( y++, 1, COLS - 2, "%c%s", c,
                       p_sys->pp_plist[i_item]->psz_display );
            if( b_selected )
            {
                attroff( A_REVERSE );
            }
        }

       }
    }
    else
    {
        y++;
    }
    if( p_sys->i_box_type == BOX_SEARCH )
    {
        DrawEmptyLine( p_sys->w, 7, 1, COLS-2 );
        if( p_sys->psz_search_chain )
        {
            if( strlen( p_sys->psz_search_chain ) == 0 &&
                p_sys->psz_old_search != NULL )
            {
                /* Searching next entry */
                mvnprintw( 7, 1, COLS-2, "Find: %s", p_sys->psz_old_search );
            }
            else
            {
                mvnprintw( 7, 1, COLS-2, "Find: %s", p_sys->psz_search_chain );
            }
        }
    }
    if( p_sys->i_box_type == BOX_OPEN )
    {
        if( p_sys->psz_open_chain )
        {
            DrawEmptyLine( p_sys->w, 7, 1, COLS-2 );
            mvnprintw( 7, 1, COLS-2, "Open: %s", p_sys->psz_open_chain );
        }
    }

    while( y < y_end )
    {
        DrawEmptyLine( p_sys->w, y++, 1, COLS - 2 );
    }

    refresh();

    *t_last_refresh = time( 0 );
}

static void PlaylistRebuild( intf_thread_t *p_intf )
{
    intf_sys_t *p_sys = p_intf->p_sys;
    playlist_view_t *p_view;
    playlist_t *p_playlist = p_sys->p_playlist;

    if( p_playlist == NULL )
    {
        return;
    }

    vlc_mutex_lock( &p_playlist->object_lock );

    p_view = playlist_ViewFind( p_playlist, p_intf->p_sys->i_current_view );

    /* First clear the old one */
    PlaylistDestroy( p_intf );