/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.driver.input;

import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

import org.jnode.system.event.SystemEvent;

/**
 * @author epr
 */
public class KeyboardEvent extends SystemEvent {
    /** This value is returned by getKeyChar() when a KeyboardEvent has no char */
    public static final int NO_CHAR = KeyEvent.CHAR_UNDEFINED;
    
    private int modifiers;
    private int keyCode;
    private char keyChar;

    public KeyboardEvent(int id, long time, int modifiers, int keyCode, char keyChar) {
        super(id, time);
        this.modifiers = modifiers;
        this.keyCode = keyCode;
        this.keyChar = keyChar;
    }

    /**
     * @return char
     */
    public char getKeyChar() {
        return keyChar;
    }

    /**
     * @return int
     */
    public int getKeyCode() {
        return keyCode;
    }

    /**
     * @return int
     */
    public int getModifiers() {
        return modifiers;
    }

    public boolean isAltDown() {
        return ((modifiers & InputEvent.ALT_DOWN_MASK) != 0);
    }

    public boolean isControlDown() {
        return ((modifiers & InputEvent.CTRL_DOWN_MASK) != 0);
    }

    public boolean isShiftDown() {
        return ((modifiers & InputEvent.SHIFT_DOWN_MASK) != 0);
    }

    public String toString() {
        return "KeyboardEvent[" + KeyEvent.getKeyText(keyCode) + "='" + keyChar + "']";
    }

    public boolean isKeyPressed() {
        return (id == KeyEvent.KEY_PRESSED);
    }

    public boolean isKeyReleased() {
        return (id == KeyEvent.KEY_RELEASED);
    }
}