1 /*
   2  * Copyright (c) 2007, 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  @bug 6232687
  27  @summary Tests that Window.setLocationRelativeTo() method works correctly
  28 for different multiscreen configurations
  29  @author artem.ananiev, area=awt.multiscreen
  30  @library ../../regtesthelpers
  31  @build Util
  32  @run main LocationRelativeToTest
  33 */
  34 
  35 import java.awt.*;
  36 import java.awt.event.*;
  37 
  38 import javax.swing.*;
  39 
  40 import test.java.awt.regtesthelpers.Util;
  41 
  42 public class LocationRelativeToTest
  43 {
  44     private static int FRAME_WIDTH = 400;
  45     private static int FRAME_HEIGHT = 300;
  46 
  47     public static void main(String[] args)
  48     {
  49         Robot r = Util.createRobot();
  50 
  51         GraphicsEnvironment ge =
  52             GraphicsEnvironment.getLocalGraphicsEnvironment();
  53         System.out.println("Center point: " + ge.getCenterPoint());
  54         GraphicsDevice[] gds = ge.getScreenDevices();
  55         GraphicsDevice gdDef = ge.getDefaultScreenDevice();
  56         GraphicsConfiguration gcDef =
  57             gdDef.getDefaultConfiguration();
  58 
  59         Frame f = new Frame("F", gcDef);
  60         f.setSize(FRAME_WIDTH, FRAME_HEIGHT);
  61         f.setVisible(true);
  62         Util.waitForIdle(r);
  63 
  64         // first, check setLocationRelativeTo(null)
  65         f.setLocationRelativeTo(null);
  66         Util.waitForIdle(r);
  67         checkLocation(f, ge.getCenterPoint());
  68 
  69         for (GraphicsDevice gd : gds)
  70         {
  71             GraphicsConfiguration gc = gd.getDefaultConfiguration();
  72             Rectangle gcBounds = gc.getBounds();
  73             Frame f2 = new Frame("F2", gc);
  74             f2.setBounds(gcBounds.x + 100, gcBounds.y + 100,
  75                          FRAME_WIDTH, FRAME_HEIGHT);
  76 
  77             // second, check setLocationRelativeTo(invisible)
  78             f.setLocationRelativeTo(f2);
  79             Util.waitForIdle(r);
  80             checkLocation(f, new Point(gcBounds.x + gcBounds.width / 2,
  81                                        gcBounds.y + gcBounds.height / 2));
  82 
  83             // third, check setLocationRelativeTo(visible)
  84             f2.setVisible(true);
  85             Util.waitForIdle(r);
  86             Point f2Loc = f2.getLocationOnScreen();
  87             f.setLocationRelativeTo(f2);
  88             Util.waitForIdle(r);
  89             checkLocation(f, new Point(f2Loc.x + f2.getWidth() / 2,
  90                                        f2Loc.y + f2.getHeight() / 2));
  91         }
  92     }
  93 
  94     /*
  95      * Here the check is performed. Note this check works correctly both
  96      * for virtual (Win32, X11/Xinerama) and non-virtual (X11/non-Xinerama)
  97      * screen configurations.
  98      */
  99     private static void checkLocation(Frame f, Point rightLoc)
 100     {
 101         Point actualLoc = new Point(f.getBounds().x + f.getWidth() / 2,
 102                                     f.getBounds().y + f.getHeight() / 2);
 103         if (!rightLoc.equals(actualLoc))
 104         {
 105             System.err.println("Right location for the window center: " + rightLoc);
 106             System.err.println("Actual location for the window center: " + actualLoc);
 107             throw new RuntimeException("Test FAILED: setLocationRelativeTo() operates incorrectly");
 108         }
 109     }
 110 }