[fix] handle auto layout of empty container
@@ -1615,7 +1615,8 @@ size_t auto_slave_group_count(const swayc_t *container) {
* Return the combined number of master and slave groups in the container.
*/
size_t auto_group_count(const swayc_t *container) {
- return auto_slave_group_count(container) + (container->nb_master ? 1 : 0);
+ return auto_slave_group_count(container)
+ + (container->children->length && container->nb_master ? 1 : 0);
}
/**
