1/* 2 * Copyright (c) 1997, 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 */ 25package com.sun.java.swing.plaf.motif; 26 27import java.awt.Dimension; 28import java.awt.Graphics; 29import java.awt.Insets; 30import java.awt.Rectangle; 31 32import javax.swing.JButton; 33import javax.swing.JComponent; 34import javax.swing.JScrollBar; 35import javax.swing.plaf.ComponentUI; 36import javax.swing.plaf.basic.BasicScrollBarUI; 37 38import static sun.swing.SwingUtilities2.drawHLine; 39import static sun.swing.SwingUtilities2.drawVLine; 40 41 42/** 43 * Implementation of ScrollBarUI for the Motif Look and Feel 44 * <p> 45 * <strong>Warning:</strong> 46 * Serialized objects of this class will not be compatible with 47 * future Swing releases. The current serialization support is appropriate 48 * for short term storage or RMI between applications running the same 49 * version of Swing. A future release of Swing will provide support for 50 * long term persistence. 51 * 52 * @author Rich Schiavi 53 * @author Hans Muller 54 */ 55public class MotifScrollBarUI extends BasicScrollBarUI 56{ 57 58 public static ComponentUI createUI(JComponent c) { 59 return new MotifScrollBarUI(); 60 } 61 62 public Dimension getPreferredSize(JComponent c) { 63 Insets insets = c.getInsets(); 64 int dx = insets.left + insets.right; 65 int dy = insets.top + insets.bottom; 66 return (scrollbar.getOrientation() == JScrollBar.VERTICAL) 67 ? new Dimension(dx + 11, dy + 33) 68 : new Dimension(dx + 33, dy + 11); 69 } 70 71 protected JButton createDecreaseButton(int orientation) { 72 return new MotifScrollBarButton(orientation); 73 } 74 75 protected JButton createIncreaseButton(int orientation) { 76 return new MotifScrollBarButton(orientation); 77 } 78 79 public void paintTrack(Graphics g, JComponent c, Rectangle trackBounds) { 80 g.setColor(trackColor); 81 g.fillRect(trackBounds.x, trackBounds.y, trackBounds.width, trackBounds.height); 82 } 83 84 public void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) { 85 if (thumbBounds.isEmpty() || !scrollbar.isEnabled()) { 86 return; 87 } 88 89 int w = thumbBounds.width; 90 int h = thumbBounds.height; 91 92 g.translate(thumbBounds.x, thumbBounds.y); 93 g.setColor(thumbColor); 94 g.fillRect(0, 0, w - 1, h - 1); 95 96 g.setColor(thumbHighlightColor); 97 drawVLine(g, 0, 0, h - 1); 98 drawHLine(g, 1, w - 1, 0); 99 100 g.setColor(thumbLightShadowColor); 101 drawHLine(g, 1, w - 1, h - 1); 102 drawVLine(g, w - 1, 1, h - 2); 103 104 g.translate(-thumbBounds.x, -thumbBounds.y); 105 } 106} 107