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.event.*; public class Main { /** * Returns whether event involves middle mouse button or not. * * @param e mouse event * @return true if event involves middle mouse button, false otherwise */ public static boolean isMiddleMouseButton(final MouseEvent e) { return (e.getModifiers() & InputEvent.BUTTON2_MASK) == InputEvent.BUTTON2_MASK; } }