static void sendmon(Client *c, Monitor *m);

static void setmon(Client *c, Monitor *m);

	/* Insert this client into the list and focus it. */
	c->mon = selmon;
	applybounds(c, &c->mon->m);
	c->tags = c->mon->tagset[c->mon->seltags];

	/* Insert this client into the list and put it on selmon. */

	/* XXX should check all outputs, also needs a send_leave counterpart */
	wlr_surface_send_enter(c->xdg_surface->surface, c->mon->wlr_output);
	keyboardfocus(c, NULL);

	setmon(c, selmon);
	keyboardfocus(c, c->xdg_surface->surface);

sendmon(Client *c, Monitor *m)

setmon(Client *c, Monitor *m)

	/* XXX leave/enter should be in resize and check all outputs */
	if (c->mon)
		wlr_surface_send_leave(c->xdg_surface->surface, c->mon->wlr_output);

	/* Make sure window actually overlaps with the monitor */
	applybounds(c, &c->mon->m);
	/* XXX should check all outputs, also needs a send_leave counterpart */
	wlr_surface_send_enter(c->xdg_surface->surface, c->mon->wlr_output);
	c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
	if (hadfocus)

	if (m) {
		/* Make sure window actually overlaps with the monitor */
		applybounds(c, &m->m);
		wlr_surface_send_enter(c->xdg_surface->surface, m->wlr_output);
		c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
	}
	/* Focus can change if c is the top of selmon before or after */
	if (hadfocus || c == selclient())

	sendmon(sel, dirtomon(arg->i));

	setmon(sel, dirtomon(arg->i));

	int hadfocus = (c == selclient());

	setmon(c, NULL);

	if (hadfocus)
		refocus();