init

dwm/patch/cyclelayouts.c

@@ -0,0 +1,10 @@
+void
+cyclelayout(const Arg *arg)
+{
+	int i;
+	int num_layouts = LENGTH(layouts);
+
+	for (i = 0; i < num_layouts && &layouts[i] != selmon->lt[selmon->sellt]; i++);
+	i += arg->i;
+	setlayout(&((Arg) { .v = &layouts[(i % num_layouts + num_layouts) % num_layouts] })); // modulo
+}