/* check if the parent container is empty and close it if so */
if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) && con_num_children(con->parent) == 0) {
DLOG("Old container empty after setting this child to floating, closing\n");
/* check if the parent container is empty and close it if so */
if ((con->parent->type == CT_CON || con->parent->type == CT_FLOATING_CON) && con_num_children(con->parent) == 0) {
DLOG("Old container empty after setting this child to floating, closing\n");
/* 2: kill parent container */
TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
/* 2: kill parent container */
TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
/* 3: re-attach to the parent of the currently focused con on the workspace
* this floating con was on */
/* 3: re-attach to the parent of the currently focused con on the workspace
* this floating con was on */