+ /* Visible columns */
+ STATE_COLUMN, /* Track state */
+ NAME_COLUMN, /* Track name (display context) */
+ LENGTH_COLUMN, /* Track length */
+ /* Hidden columns */
+ ISFILE_COLUMN, /* TRUE for a track, FALSE for a directory */
+ TRACK_COLUMN, /* Full track name, "" for placeholder */
+ SORT_COLUMN, /* Sort key */
+ BG_COLUMN, /* Background color */
+ FG_COLUMN, /* Foreground color */
+ AUTOCOLLAPSE_COLUMN, /* TRUE if row should be auto-collapsed */
+
+ CHOOSE_COLUMNS /* column count */