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