wlroots/include/wlr/util/edges.h

#ifndef WLR_UTIL_EDGES_H
#define WLR_UTIL_EDGES_H

enum wlr_edges {
	WLR_EDGE_NONE = 0,
	WLR_EDGE_TOP = 1,
	WLR_EDGE_BOTTOM = 2,
	WLR_EDGE_LEFT = 4,
	WLR_EDGE_RIGHT = 8,
};

#endif