NewI\O key_test

key_test.nio is a small utility to print the key code of whatever key you are pressing. Press the ESC key to exit.

Here is the sourcecode:

/******************************************************************************
 *
 *    key_test.c
 *
 *    Copyright (C) 2005  Chris Nystrom
 *
 *    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 whatsoever.
 *
 *    For more license information see:
 *
 *      http://www.gnu.org/copyleft/gpl.html
 *
 *    Contact Author at:
 *
 *    Chris Nystrom
 *    11013 Prairie Dove Circle
 *    Austin, Texas  78758
 *
 *    E-Mail: cnystrom@gmail.com
 *    Blog:   http://conversazione.blogspot.com
 *    AIM:    nystromchris
 *
 *    Soli Deo Gloria
 *
 */

#include 
#include "nio_lib.h"

int main(int argc, char *argv[])
{
        int key, font;
        color black, white;

        nio_app_init("key_test", "0.1");

        black = nio_get_color("black");
        white = nio_get_color("white");

        nio_set_screen(640, 480, white);

        font = nio_load_sys_font(NIO_DEFAULT_FONT,
                                 NIO_DEFAULT_PTSIZE,
                                 NIO_STYLE_NORMAL, black, white);

        nio_term_init(font, white, 10, 10, 24, 80);

        while (1) {

                key = nio_get_key_val();

                if (key == ESC) {
                        nio_free_font(font);
                        nio_exit();
                        exit(0);
                }

                nio_printf_at(2, 2, TRUE, "Key = %3d\n", key);

        }

        exit(0);
}