/*

$Id: xwarppointer.c,v 1.1 2002/03/01 18:10:35 roderick Exp $

Roderick Schertler <roderick@argon.org>

*/

/*

Copyright (C) 2002 Roderick Schertler

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

For a copy of the GNU General Public License write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

*/

/*

This program moves your mouse pointer to the X and Y coordinates given
as args.

I don't really know anything about X programming.

*/ 

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xos.h>

int
main (int argc, char *argv[])
{
    Display *dpy;
    char *arg0;
    int x = 0, y = 0;

    arg0 = strrchr (argv[0], '/');
    if (arg0)
	arg0++;
    else
	arg0 = argv[0];

    if (argc == 2 || argc > 3) {
	fprintf (stderr, "usage: %s [<x> <y>]\n", arg0);
	exit (1);
    }

    if (argc == 3) {
	char *last_x, *last_y;

	x = strtoul (argv[1], &last_x, 0);
	if (*last_x)
	    fprintf (stderr, "%s: invalid x value %s\n", arg0, argv[1]);
	y = strtoul (argv[2], &last_y, 0);
	if (*last_y)
	    fprintf (stderr, "%s: invalid y value %s\n", arg0, argv[2]);
	if (*last_x || *last_y)
	    exit (1);
    }

    dpy = XOpenDisplay (NULL);
    if (!dpy) {
	fprintf (stderr, "%s: cannot connect to display\n", arg0);
	exit (1);
    }

    XWarpPointer (dpy, None, RootWindow (dpy, DefaultScreen (dpy)),
		  0, 0, 0, 0, x, y);

    XCloseDisplay (dpy);

    return 0;
}