Improve window cycling behavior when maxv/maxh/max windows overlap.

action.c

@@ -58,11 +58,14 @@ void action_cycle(void *data, int num, client *cli)
 {
 	if (!cli) return;
 	STACK_INIT(lower);
+	if (spot_count_windows(cli->spot, cli->monitor) > 1)
+	{
 		spot_focus_top_window(cli->spot, cli->monitor, cli->window);
 		client_stack_family(cli, &lower);
 		XLowerWindow(display, lower.windows[0]);
 		XRestackWindows(display, lower.windows, lower.depth);
 	}
+}
 
 void action_raise_nth(void *data, int num, client *cli)
 {

spot.c

@@ -132,3 +132,9 @@ int spot_choose_by_direction(int spot, int mon, int dir)
 	return spot;
 }
 
+int spot_count_windows(int spot, int mon)
+{
+	int i, n = 0; client *c;
+	for_windows(i, c) if (c->manage && c->spot == spot && c->monitor == mon) n++;
+	return n;	
+}