Java tutorial
//package com.java2s; /* * OpenBench LogicSniffer / SUMP project * * 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; 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 this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * * * Copyright (C) 2010-2011 - J.W. Janssen, http://www.lxtreme.nl */ import javax.swing.*; public class Main { /** * Registers the keystroke of the given action as "command" of the given * component. * <p> * This code is based on the Sulky-tools, found at * <http://github.com/huxi/sulky>. * </p> * * @param aComponent * the component that should react on the keystroke, cannot be * <code>null</code>; * @param aAction * the action of the keystroke, cannot be <code>null</code>; * @param aCommandName * the name of the command to register the keystore under. */ public static void registerKeystroke(final JComponent aComponent, final Action aAction, final String aCommandName) { final KeyStroke keyStroke = (KeyStroke) aAction.getValue(Action.ACCELERATOR_KEY); if (keyStroke == null) { return; } InputMap inputMap = aComponent.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW); ActionMap actionMap = aComponent.getActionMap(); inputMap.put(keyStroke, aCommandName); actionMap.put(aCommandName, aAction); inputMap = aComponent.getInputMap(JComponent.WHEN_FOCUSED); Object value = inputMap.get(keyStroke); if (value != null) { inputMap.put(keyStroke, aCommandName); } inputMap = aComponent.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT); value = inputMap.get(keyStroke); if (value != null) { inputMap.put(keyStroke, aCommandName); } } }