Here you can find the source of addEnterAction(JComponent comp, Action action)
public static void addEnterAction(JComponent comp, Action action)
//package com.java2s; /*// w w w.j a va 2 s. co m Storybook: Scene-based software for novelists and authors. Copyright (C) 2008 - 2012 Martin Mustun 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 3 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, see <http://www.gnu.org/licenses/>. */ import javax.swing.Action; import javax.swing.JComponent; import javax.swing.KeyStroke; public class Main { public static void addEnterAction(JComponent comp, Action action) { comp.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("ENTER"), action); comp.getActionMap().put(action, action); } }