add force_focus_wrapping option

include/sway/commands.h

@@ -106,6 +106,7 @@ sway_cmd cmd_focus;
 sway_cmd cmd_focus_follows_mouse;
 sway_cmd cmd_font;
 sway_cmd cmd_for_window;
+sway_cmd cmd_force_focus_wrapping;
 sway_cmd cmd_fullscreen;
 sway_cmd cmd_gaps;
 sway_cmd cmd_hide_edge_borders;

include/sway/config.h

@@ -211,6 +211,7 @@ struct sway_config {
 	// Flags
 	bool focus_follows_mouse;
 	bool mouse_warping;
+	bool force_focus_wrapping;
 	bool active;
 	bool failed;
 	bool reloading;

sway/commands.c

@@ -171,6 +171,7 @@ static struct cmd_handler handlers[] = {
 	{ "focus", cmd_focus },
 	{ "focus_follows_mouse", cmd_focus_follows_mouse },
 	{ "font", cmd_font },
+	{ "force_focus_wrapping", cmd_force_focus_wrapping },
 	{ "for_window", cmd_for_window },
 	{ "fullscreen", cmd_fullscreen },
 	{ "gaps", cmd_gaps },

sway/commands/force_focus_wrapping.c

@@ -0,0 +1,12 @@
+#include <string.h>
+#include "sway/commands.h"
+
+struct cmd_results *cmd_force_focus_wrapping(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "force_focus_wrapping", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	config->force_focus_wrapping = !strcasecmp(argv[0], "yes");
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/layout.c

@@ -1123,6 +1123,9 @@ swayc_t *get_swayc_in_direction_under(swayc_t *container, enum movement_directio
 					} else {
 						wrap_candidate = parent->children->items[0];
 					}
+					if (config->force_focus_wrapping) {
+						return wrap_candidate;
+					}
 				}
 			} else {
 				return parent->children->items[desired];