void
cyclelayout(const Arg *arg) {
    Layout *next;
    for (next = (Layout *)layouts; next != selmon->lt[selmon->sellt]; next++);
    if ((++next - layouts) >= LENGTH(layouts))
        next = (Layout *)layouts;
    setlayout(&(Arg) { .v = next });
}

/** Function to shift the current view to the left/right
 *
 * @param: "arg->i" stores the number of tags to shift right (positive value)
 *          or left (negative value)
 */

void
shifttag(const Arg *arg) {
	if(selmon->sel){
	
		Arg shifted;
	
		if(arg->i > 0) // left circular shift
			shifted.ui = (selmon->tagset[selmon->seltags] << arg->i)
			   | (selmon->tagset[selmon->seltags] >> (LENGTH(tags) - arg->i));

		else // right circular shift
			shifted.ui = selmon->tagset[selmon->seltags] >> (- arg->i)
			   | selmon->tagset[selmon->seltags] << (LENGTH(tags) + arg->i);
	
        	selmon->sel->tags = shifted.ui & TAGMASK;
        	arrange(selmon);
		view(&shifted);
	}
}

/** Function to shift the current view to the left/right
 *
 * @param: "arg->i" stores the number of tags to shift right (positive value)
 *          or left (negative value)
 */
void
shiftview(const Arg *arg) {
	Arg shifted;

	if(arg->i > 0) // left circular shift
		shifted.ui = (selmon->tagset[selmon->seltags] << arg->i)
		   | (selmon->tagset[selmon->seltags] >> (LENGTH(tags) - arg->i));

	else // right circular shift
		shifted.ui = selmon->tagset[selmon->seltags] >> (- arg->i)
		   | selmon->tagset[selmon->seltags] << (LENGTH(tags) + arg->i);

	view(&shifted);
}