ver.c

/* 
 * ver.c - check the version of XInput
 *
 * Copyright © 2013 Eon S. Jeon <esjeon@live.com>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the “Software”), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 * 
 */

#include <stdio.h>
#include <X11/extensions/XInput2.h>

int
main ()
{
	Display *dpy;

	int rc;
	int major = 2;
	int minor = 2;

	dpy = XOpenDisplay(NULL);


	rc = XIQueryVersion(dpy, &major, &minor);
	if (rc == Success)
		printf("XI2 supported. (%d.%d)\n", major, minor);
	else if (rc == BadRequest)
		printf("No XI2 support. (%d.%d only)\n", major, minor);
	else
		printf("Internal error\n");


	return 0;
}