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  * @key headful
  27  * @bug 6232687
  28  * @summary Tests that Window.setLocationRelativeTo() method works correctly
  29  *          for different multiscreen configurations
  30  * @author artem.ananiev, area=awt.multiscreen
  31  * @library ../../regtesthelpers
  32  * @build Util
  33  * @run main LocationRelativeToTest
  34  */
  35 
  36 import java.awt.*;
  37 import java.awt.event.*;
  38 
  39 import javax.swing.*;
  40 
  41 import test.java.awt.regtesthelpers.Util;
  42 
  43 public class LocationRelativeToTest
  44 {
  45     private static int FRAME_WIDTH = 400;
  46     private static int FRAME_HEIGHT = 300;
  47 
  48     public static void main(String[] args)
  49     {
  50         Robot r = Util.createRobot();
  51 
  52         GraphicsEnvironment ge =
  53             GraphicsEnvironment.getLocalGraphicsEnvironment();
  54         System.out.println("Center point: " + ge.getCenterPoint());
  55         GraphicsDevice[] gds = ge.getScreenDevices();
  56         GraphicsDevice gdDef = ge.getDefaultScreenDevice();
  57         GraphicsConfiguration gcDef =
  58             gdDef.getDefaultConfiguration();
  59 
  60         Frame f = new Frame("F", gcDef);
  61         f.setSize(FRAME_WIDTH, FRAME_HEIGHT);
  62         f.setVisible(true);
  63         Util.waitForIdle(r);
  64 
  65         // first, check setLocationRelativeTo(null)
  66         f.setLocationRelativeTo(null);
  67         Util.waitForIdle(r);
  68         checkLocation(f, ge.getCenterPoint());
  69 
  70         for (GraphicsDevice gd : gds)
  71         {
  72             GraphicsConfiguration gc = gd.getDefaultConfiguration();
  73             Rectangle gcBounds = gc.getBounds();
  74             Frame f2 = new Frame("F2", gc);
  75             f2.setBounds(gcBounds.x + 100, gcBounds.y + 100,
  76                          FRAME_WIDTH, FRAME_HEIGHT);
  77 
  78             // second, check setLocationRelativeTo(invisible)
  79             f.setLocationRelativeTo(f2);
  80             Util.waitForIdle(r);
  81             checkLocation(f, new Point(gcBounds.x + gcBounds.width / 2,
  82                                        gcBounds.y + gcBounds.height / 2));
  83 
  84             // third, check setLocationRelativeTo(visible)
  85             f2.setVisible(true);
  86             Util.waitForIdle(r);
  87             Point f2Loc = f2.getLocationOnScreen();
  88             f.setLocationRelativeTo(f2);
  89             Util.waitForIdle(r);
  90             checkLocation(f, new Point(f2Loc.x + f2.getWidth() / 2,
  91                                        f2Loc.y + f2.getHeight() / 2));
  92         }
  93     }
  94 
  95     /*
  96      * Here the check is performed. Note this check works correctly both
  97      * for virtual (Win32, X11/Xinerama) and non-virtual (X11/non-Xinerama)
  98      * screen configurations.
  99      */
 100     private static void checkLocation(Frame f, Point rightLoc)
 101     {
 102         Point actualLoc = new Point(f.getBounds().x + f.getWidth() / 2,
 103                                     f.getBounds().y + f.getHeight() / 2);
 104         if (!rightLoc.equals(actualLoc))
 105         {
 106             System.err.println("Right location for the window center: " + rightLoc);
 107             System.err.println("Actual location for the window center: " + actualLoc);
 108             throw new RuntimeException("Test FAILED: setLocationRelativeTo() operates incorrectly");
 109         }
 110     }
 111 }