/*
 * java-gnome, a UI library for writing GTK and GNOME programs from Java!
 *
 * Copyright © 2007-2010 Operational Dynamics Consulting, Pty Ltd
 *
 * The code in this file, and the program it is a part of, is made available
 * to you by its authors as open source software: you can redistribute it
 * and/or modify it under the terms of the GNU General Public License version
 * 2 ("GPL") as published by the Free Software Foundation.
 *
 * 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 GPL for more details.
 *
 * You should have received a copy of the GPL along with this program. If not,
 * see http://www.gnu.org/licenses/. The authors of this program may be
 * contacted through http://java-gnome.sourceforge.net/.
 *
 * Linking this library statically or dynamically with other modules is making
 * a combined work based on this library. Thus, the terms and conditions of
 * the GPL cover the whole combination. As a special exception (the
 * "Classpath Exception"), the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent modules,
 * and to copy and distribute the resulting executable under terms of your
 * choice, provided that you also meet, for each linked independent module,
 * the terms and conditions of the license of that module. An independent
 * module is a module which is not derived from or based on this library. If
 * you modify this library, you may extend the Classpath Exception to your
 * version of the library, but you are not obligated to do so. If you do not
 * wish to do so, delete this exception statement from your version.
 */
package org.gnome.gdk;

/*
 * See also GtkResponseTypeOverride where we had to pull a similar stunt. This
 * makes two, but still ok.
 */
final class GdkKeyvalOverride extends Plumbing
{
    private GdkKeyvalOverride() {}

    /**
     * Somewhat unusually for the enumFor case, if the ordinal (keyval in this
     * case) isn't known, then a new Constant will be created [and thus
     * registered] for it.
     */
    static Keyval enumFor(int keyval) {
        try {
            return (Keyval) Plumbing.enumFor(Keyval.class, keyval);
        } catch (IllegalArgumentException iae) {
            return new Keyval(keyval, GdkKeyval.name(keyval));
        }
    }

    /**
     * Again, there are lots of native values we don't have explicit constants
     * registered for, so just duck around the problem rather than having
     * Exceptions thrown.
     */
    static ModifierType flagFor(int state) {
        try {
            return (ModifierType) Plumbing.flagFor(ModifierType.class, state);
        } catch (IllegalArgumentException iae) {
            return new ModifierType(state, "UNKNOWN_" + state);
        }
    }

    /*
     * This is mostly for unit testing
     */
    static int numOf(Keyval key) {
        return Plumbing.numOf(key);
    }
}
