1 /* 2 * Copyright (c) 2014, 2017, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.Component; 25 import java.awt.Dimension; 26 import java.awt.Rectangle; 27 import java.awt.Toolkit; 28 import javax.swing.JComponent; 29 import javax.swing.JFrame; 30 import javax.swing.JPanel; 31 import javax.swing.JTabbedPane; 32 import javax.swing.JViewport; 33 import javax.swing.SwingUtilities; 34 import javax.swing.UIManager; 35 import javax.swing.plaf.metal.MetalLookAndFeel; 36 37 38 /** 39 * @test 40 * @key headful 41 * @bug 7170310 42 * @author Alexey Ivanov 43 * @summary Selected tab should be scrolled into view. 44 * @library ../../../../lib/testlibrary/ 45 * @build ExtendedRobot 46 * @run main bug7170310 47 */ 48 49 public class bug7170310 { 50 private static final int TABS_NUMBER = 3; 51 52 private static volatile JTabbedPane tabbedPane; 53 private static volatile int count = 1; 54 55 private static volatile JFrame frame; 56 57 private static volatile Exception exception = null; 58 59 public static void main(String[] args) throws Exception { 60 try { 61 UIManager.setLookAndFeel(new MetalLookAndFeel()); 62 SwingUtilities.invokeAndWait(bug7170310::createAndShowUI); 63 64 sync(); 65 66 for (int i = 0; i < TABS_NUMBER; i++) { 67 SwingUtilities.invokeAndWait(bug7170310::addTab); 68 sync(); 69 } 70 71 SwingUtilities.invokeAndWait(bug7170310::check); 72 73 if (exception != null) { 74 System.out.println("Test failed: " + exception.getMessage()); 75 throw exception; 76 } else { 77 System.out.printf("Test passed"); 78 } 79 } finally { 80 if (frame != null) { frame.dispose(); } 81 } 82 } 83 84 private static void createAndShowUI() { 85 frame = new JFrame("bug7170310"); 86 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 87 frame.setSize(200, 100); 88 89 tabbedPane = new JTabbedPane(); 90 tabbedPane.addTab("Main Tab", new JPanel()); 91 92 tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT); 93 94 frame.getContentPane().add(tabbedPane); 95 frame.setVisible(true); 96 } 97 98 private static void addTab() { 99 tabbedPane.addTab("Added Tab " + count++, new JPanel()); 100 tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1); 101 } 102 103 private static void check() { 104 try { 105 JViewport vp = null; 106 for (Component c : tabbedPane.getComponents()) { 107 if (c instanceof JViewport) { 108 vp = (JViewport) c; 109 break; 110 } 111 } 112 113 JComponent v = (JComponent) vp.getView(); 114 Rectangle vr = vp.getViewRect(); 115 Dimension vs = v.getSize(); 116 117 // The tab view must be scrolled to the end so that the last tab is visible 118 if (vs.width != (vr.x + vr.width)) { 119 throw new RuntimeException("tabScroller.tabPanel view is positioned incorrectly: " 120 + vs.width + " vs " + (vr.x + vr.width)); 121 } 122 } catch (Exception e) { 123 exception = e; 124 } 125 } 126 private static void sync() { 127 try { 128 ExtendedRobot robot = new ExtendedRobot(); 129 robot.waitForIdle(300); 130 }catch(Exception ex) { 131 ex.printStackTrace(); 132 throw new Error("Unexpected Failure"); 133 } 134 } 135 }