/* $Id$ */
/*
 * Copyright (c) 2007 Andreas Jaggi <andreas.jaggi@waterwave.ch>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "client.h"

XContext window_context;

void init_clients ( ) {
	window_context = XUniqueContext();
}

Client* find_client ( Window w ) {
	Client* c;

	if ( XFindContext(display, w, window_context, (void*)&c) != 0 ) {
		c = NULL;
	}

	return c;
}

Client* create_client ( Window w ) {
	XWindowAttributes winattr;

	Client* c = malloc(sizeof(Client));

	if ( c == NULL ) {
		fprintf(stderr, "x-wm: cannot create new Client, not enough memory\n");
		return NULL;
	}

	XGetWindowAttributes(display, w, &winattr);

	c->window = w;

	XSaveContext(display, w, window_context, (void*)c);

	return c;
}

void destroy_client ( Window w ) {
	Client* c;

	c = find_client(w);
	XDeleteContext(display, w, window_context);

	if ( c != NULL ) {
		free(c);
	}
}