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/*
 * calmwm - the calm window manager
 *
 * Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * $Id$
 */

#include "headers.h"
#include "calmwm.h"

extern struct screen_ctx_q	 Screenq;
extern struct screen_ctx	*Curscreen;

struct screen_ctx *
screen_fromroot(Window rootwin)
{
	struct screen_ctx *sc;

	TAILQ_FOREACH(sc, &Screenq, entry)
		if (sc->rootwin == rootwin)
			return (sc);

	/* XXX FAIL HERE */
	return (TAILQ_FIRST(&Screenq));
}

struct screen_ctx *
screen_current(void)
{
	return (Curscreen);
}

void
screen_updatestackingorder(void)
{
	Window *wins, w0, w1;
	struct screen_ctx *sc = screen_current();
	u_int nwins, i, s;
	struct client_ctx *cc;

	if (!XQueryTree(X_Dpy, sc->rootwin, &w0, &w1, &wins, &nwins))
		return;

	for (s = 0, i = 0; i < nwins; i++) {
		/* Skip hidden windows */
		if ((cc = client_find(wins[i])) == NULL ||
		    cc->flags & CLIENT_HIDDEN)
			continue;

		cc->stackingorder = s++;
	}

	XFree(wins);
}

void
screen_init(void)
{
}