1 /* 2 * Copyright (c) 2015, 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 /** 25 * @test 26 * @key headful 27 * @bug 6866751 28 * @summary J2SE_Swing_Reg: the caret disappears when moving to the end of the line. 29 * @author Semyon Sadetsky 30 */ 31 32 import javax.swing.*; 33 import java.awt.*; 34 35 public class bug6866751 { 36 private static JFrame frame; 37 private static JTextArea area; 38 39 public static void main(String[] args) throws Exception { 40 try { 41 SwingUtilities.invokeAndWait(new Runnable() { 42 public void run() { 43 frame = new JFrame(); 44 frame.setUndecorated(true); 45 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 46 setup(frame); 47 } 48 }); 49 SwingUtilities.invokeAndWait(new Runnable() { 50 public void run() { 51 int width = area.getWidth(); 52 double caretX = 53 area.getCaret().getMagicCaretPosition().getX(); 54 if (width < caretX + 1) { 55 throw new RuntimeException( 56 "Width of the area (" + width + 57 ") is less than caret x-position " + 58 caretX + 1); 59 } 60 area.putClientProperty("caretWidth", 10); 61 frame.pack(); 62 } 63 }); 64 new Robot().waitForIdle(); 65 SwingUtilities.invokeAndWait(new Runnable() { 66 public void run() { 67 int width = area.getWidth(); 68 double caretX = 69 area.getCaret().getMagicCaretPosition().getX(); 70 if (width < caretX + 10) { 71 throw new RuntimeException( 72 "Width of the area (" + width + 73 ") is less than caret x-position " + 74 caretX + 10); 75 } 76 } 77 }); 78 System.out.println("ok"); 79 } finally { 80 SwingUtilities.invokeAndWait(new Runnable() { 81 @Override 82 public void run() { 83 if (frame != null) { frame.dispose(); } 84 } 85 }); 86 } 87 } 88 89 static void setup(JFrame frame) { 90 area = new JTextArea(); 91 frame.getContentPane().add(new JScrollPane(area)); 92 area.setText( 93 "mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm"); 94 area.getCaret().setDot(area.getText().length() + 1); 95 96 frame.setSize(300, 200); 97 frame.setVisible(true); 98 99 area.requestFocus(); 100 101 } 102 103 }