1 /* 2 * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.swing.plaf.synth; 27 28 import javax.swing.*; 29 import javax.swing.plaf.ComboBoxUI; 30 import javax.swing.plaf.basic.BasicComboPopup; 31 import java.awt.*; 32 33 34 /** 35 * Synth's ComboPopup. 36 * 37 * @author Scott Violet 38 */ 39 @SuppressWarnings("serial") // Superclass is not serializable across versions 40 class SynthComboPopup extends BasicComboPopup { 41 public SynthComboPopup( JComboBox<Object> combo ) { 42 super(combo); 43 } 44 45 /** 46 * Configures the list which is used to hold the combo box items in the 47 * popup. This method is called when the UI class 48 * is created. 49 * 50 * @see #createList 51 */ 52 @Override 53 protected void configureList() { 54 list.setFont( comboBox.getFont() ); 55 list.setCellRenderer( comboBox.getRenderer() ); 56 list.setFocusable( false ); 57 list.setSelectionMode( ListSelectionModel.SINGLE_SELECTION ); 58 int selectedIndex = comboBox.getSelectedIndex(); 59 if ( selectedIndex == -1 ) { 60 list.clearSelection(); 61 } 62 else { 63 list.setSelectedIndex( selectedIndex ); 64 list.ensureIndexIsVisible( selectedIndex ); 65 } 66 installListListeners(); 67 } 68 69 /** 70 * @inheritDoc 71 * 72 * Overridden to take into account any popup insets specified in 73 * SynthComboBoxUI 74 */ 75 @Override 76 protected Rectangle computePopupBounds(int px, int py, int pw, int ph) { 77 ComboBoxUI ui = comboBox.getUI(); 78 if (ui instanceof SynthComboBoxUI) { 79 SynthComboBoxUI sui = (SynthComboBoxUI) ui; 80 if (sui.popupInsets != null) { 81 Insets i = sui.popupInsets; 82 return super.computePopupBounds( 83 px + i.left, 84 py + i.top, 85 pw - i.left - i.right, 86 ph - i.top - i.bottom); 87 } 88 } 89 return super.computePopupBounds(px, py, pw, ph); 90 } 91 }