1 /*
   2  * Copyright (c) 2010, 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 6889007
  26    @summary No resize cursor during hovering mouse over JTable
  27    @author Alexander Potochkin
  28 */
  29 
  30 import sun.awt.SunToolkit;
  31 
  32 import javax.swing.*;
  33 import javax.swing.plaf.basic.BasicTableHeaderUI;
  34 import javax.swing.table.JTableHeader;
  35 import java.awt.*;
  36 
  37 public class bug6889007 {
  38 
  39     public static void main(String[] args) throws Exception {
  40         SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  41         Robot robot = new Robot();
  42         robot.setAutoDelay(20);
  43 
  44         final JFrame frame = new JFrame();
  45         frame.setUndecorated(true);
  46 
  47         SwingUtilities.invokeAndWait(new Runnable() {
  48             public void run() {
  49                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  50 
  51                 JTableHeader th = new JTableHeader();
  52                 th.setColumnModel(new JTable(20, 5).getColumnModel());
  53 
  54                 th.setUI(new MyTableHeaderUI());
  55 
  56                 frame.add(th);
  57                 frame.pack();
  58                 frame.setLocationRelativeTo(null);
  59                 frame.setVisible(true);
  60             }
  61         });
  62         toolkit.realSync();
  63         Point point = frame.getLocationOnScreen();
  64         int shift = 10;
  65         int x = point.x;
  66         int y = point.y + frame.getHeight()/2;
  67         for(int i = -shift; i < frame.getWidth() + 2*shift; i++) {
  68             robot.mouseMove(x++, y);
  69         }
  70         toolkit.realSync();
  71         // 9 is a magic test number
  72         if (MyTableHeaderUI.getTestValue() != 9) {
  73             throw new RuntimeException("Unexpected test number "
  74                     + MyTableHeaderUI.getTestValue());
  75         }
  76         System.out.println("ok");
  77     }
  78 
  79     static class MyTableHeaderUI extends BasicTableHeaderUI {
  80         private static int testValue;
  81 
  82         protected void rolloverColumnUpdated(int oldColumn, int newColumn) {
  83             increaseTestValue(newColumn);
  84             Cursor cursor = Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
  85             if (oldColumn != -1 && newColumn != -1 &&
  86                     header.getCursor() != cursor) {
  87                 throw new RuntimeException("Wrong type of cursor!");
  88             }
  89         }
  90 
  91         private static synchronized void increaseTestValue(int increment) {
  92             testValue += increment;
  93         }
  94 
  95         public static synchronized int getTestValue() {
  96             return testValue;
  97         }
  98     }
  99 }