Here you can find the source of resizeComponentWidth(JComponent currentComponent, double maxComponentWidth)
private static void resizeComponentWidth(JComponent currentComponent, double maxComponentWidth)
//package com.java2s; /*/* w w w . ja v a 2s .c om*/ * Created on 05/10/2003 * YAWLEditor v1.0 * * @author Lindsay Bradford * * * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ import java.awt.Dimension; import javax.swing.JComponent; public class Main { private static void resizeComponentWidth(JComponent currentComponent, double maxComponentWidth) { currentComponent.setPreferredSize( new Dimension((int) maxComponentWidth, (int) currentComponent.getPreferredSize().getHeight())); currentComponent.setMaximumSize( new Dimension((int) maxComponentWidth, (int) currentComponent.getMaximumSize().getHeight())); currentComponent.setMinimumSize( new Dimension((int) maxComponentWidth, (int) currentComponent.getMinimumSize().getHeight())); } }