1 /* 2 * Copyright (c) 2019, 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 /* @test 25 * @key headful 26 * @bug 8212904 27 * @summary Verifies JTextArea line wrapping using UI scale 28 * @run main JTextAreaWordWrapTest 29 */ 30 import java.awt.BorderLayout; 31 import java.awt.event.WindowAdapter; 32 import java.awt.event.WindowEvent; 33 import java.io.IOException; 34 import java.net.URISyntaxException; 35 import javax.swing.JFrame; 36 import javax.swing.JScrollPane; 37 import javax.swing.JTextArea; 38 import javax.swing.ScrollPaneConstants; 39 import javax.swing.SwingUtilities; 40 41 public class JTextAreaWordWrapTest { 42 43 static JFrame frame; 44 static JFrame frame1; 45 static JTextArea textArea; 46 static JTextArea textArea1; 47 doWrapOnTest()48 public static void doWrapOnTest() { 49 50 frame = new JFrame(); 51 frame.setSize( 720, 300 ); 52 frame.setLayout( new BorderLayout() ); 53 54 textArea = new JTextArea(); 55 textArea.setLineWrap( true ); 56 textArea.setWrapStyleWord( true ); 57 58 StringBuffer sb = new StringBuffer(); 59 for (int i = 0; i < 100; i++) { 60 sb.append( "zz zzz zzzz zz zz zz zzz xzzzz zzzzzzzzzzzzzzzzx yyyyyyy tttttttttt sssss hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n" ); 61 } 62 textArea.setText( sb.toString() ); 63 JScrollPane pane = new JScrollPane( textArea, 64 ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, 65 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED ); 66 frame.add( pane, BorderLayout.CENTER ); 67 frame.setVisible( true ); 68 69 } 70 doWrapOffTest()71 public static void doWrapOffTest() { 72 frame1 = new JFrame(); 73 frame1.setSize( 720, 300 ); 74 frame1.setLayout( new BorderLayout() ); 75 76 textArea1 = new JTextArea(); 77 78 StringBuffer sb1 = new StringBuffer(); 79 for (int i = 0; i < 100; i++) { 80 sb1.append( "zz zzz zzzz zz zz zz zzz xzzzz zzzzzzzzzzzzzzzzx yyyyyyy tttttttttt sssss hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n" ); 81 } 82 textArea1.setText( sb1.toString() ); 83 JScrollPane pane1 = new JScrollPane( textArea1, 84 ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS, 85 ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED ); 86 frame1.add( pane1, BorderLayout.CENTER ); 87 frame1.setLocationRelativeTo(null); 88 frame1.setVisible( true ); 89 } 90 main( String[] args )91 public static void main( String[] args ) throws Exception { 92 System.setProperty( "sun.java2d.uiScale", "1.25" ); 93 try { 94 SwingUtilities.invokeAndWait(() -> doWrapOnTest()); 95 Thread.sleep(500); 96 SwingUtilities.invokeAndWait(() -> doWrapOffTest()); 97 Thread.sleep(500); 98 99 SwingUtilities.invokeAndWait(() -> { 100 101 int wraponHeight = textArea.getHeight(); 102 System.out.println("wraponheight " + wraponHeight); 103 int wrapoffHeight = textArea1.getHeight(); 104 System.out.println("wrapoffheight " + wrapoffHeight); 105 106 if (wraponHeight == wrapoffHeight) { 107 throw new RuntimeException("JTextArea line wrapping incorrect when using UI scale"); 108 } 109 }); 110 111 } finally { 112 SwingUtilities.invokeAndWait(() -> frame.dispose()); 113 SwingUtilities.invokeAndWait(() -> frame1.dispose()); 114 } 115 } 116 } 117