Java tutorial
//package com.java2s; /* * This file is part of WebLookAndFeel library. * * WebLookAndFeel library 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 3 of the License, or * (at your option) any later version. * * WebLookAndFeel 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with WebLookAndFeel library. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.*; import java.awt.event.*; public class Main { /** * System shortcut modifier. */ private static Integer systemShortcutModifier = null; /** * Returns whether specified event contains shortcut modifier or not. * * @param event event to process * @return true if specified event contains shortcut modifier, false otherwise */ public static boolean isShortcut(final InputEvent event) { return (event.getModifiers() & getSystemShortcutModifier()) != 0; } /** * Returns system shortcut modifier. * * @return system shortcut modifier */ public static int getSystemShortcutModifier() { if (systemShortcutModifier == null) { systemShortcutModifier = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask(); } return systemShortcutModifier; } }