/*! The possible stacking layers a client window can be a part of */
typedef enum {
+ OB_STACKING_LAYER_INVALID,
OB_STACKING_LAYER_DESKTOP, /*!< 0 - desktop windows */
OB_STACKING_LAYER_BELOW, /*!< 1 - normal windows w/ below */
OB_STACKING_LAYER_NORMAL, /*!< 2 - normal windows */