Here you can find the source of setupComponent(JComponent comp)
public static void setupComponent(JComponent comp)
//package com.java2s; /*//from ww w . java 2 s. c o m * PanelUtils.java * * Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard * * This file is part of BEAST. * See the NOTICE file distributed with this work for additional * information regarding copyright ownership and licensing. * * BEAST 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 * of the License, or (at your option) any later version. * * BEAST 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 BEAST; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA */ import javax.swing.*; public class Main { public static void setupComponent(JComponent comp) { comp.setOpaque(false); // comp.setFont(UIManager.getFont("SmallSystemFont")); // comp.putClientProperty("JComponent.sizeVariant", "small"); if (comp instanceof JButton) { comp.putClientProperty("JButton.buttonType", "textured"); // comp.putClientProperty("JButton.buttonType", "bevel"); // comp.putClientProperty("JButton.buttonType", "roundRect"); } if (comp instanceof JComboBox) { comp.putClientProperty("JComboBox.isPopDown", Boolean.TRUE); // comp.putClientProperty("JComboBox.isSquare", Boolean.TRUE); } if (comp instanceof JTextArea) { ((JTextArea) comp).setEditable(false); ((JTextArea) comp).setOpaque(false); ((JTextArea) comp).setLineWrap(true); ((JTextArea) comp).setWrapStyleWord(true); } } }