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 import java.awt.Frame;
  25 import java.awt.Rectangle;
  26 import java.awt.Robot;
  27 import java.awt.event.InputEvent;
  28 import java.awt.event.MouseAdapter;
  29 import java.awt.event.MouseEvent;
  30 import javax.swing.UIManager;
  31 
  32 /* @test
  33  * @bug 8073320 8137571
  34  * @summary Windows and Linux HiDPI Graphics support
  35  * @author Alexander Scherbatiy
  36  * @requires (os.family == "windows" | os.family == "linux")
  37  * @run main/othervm -Dsun.java2d.uiScale=2 HiDPIRobotMouseClick
  38  */
  39 public class HiDPIRobotMouseClick {
  40 
  41     private static final String[] SUPPORTED_LAFS = {
  42         "com.sun.java.swing.plaf.windows.WindowsLookAndFeel",
  43         "com.sun.java.swing.plaf.gtk.GTKLookAndFeel"
  44     };
  45 
  46     private static volatile int mouseX;
  47     private static volatile int mouseY;
  48 
  49     public static void main(String[] args) throws Exception {
  50 
  51         if (!setSupportedLAF()) {
  52             return;
  53         }
  54 
  55         Frame frame = new Frame();
  56         frame.setBounds(30, 20, 400, 300);
  57         frame.setUndecorated(true);
  58 
  59         frame.addMouseListener(new MouseAdapter() {
  60 
  61             @Override
  62             public void mouseClicked(MouseEvent e) {
  63                 mouseX = e.getXOnScreen();
  64                 mouseY = e.getYOnScreen();
  65             }
  66         });
  67 
  68         frame.setVisible(true);
  69 
  70         Robot robot = new Robot();
  71         robot.waitForIdle();
  72         Thread.sleep(200);
  73 
  74         Rectangle rect = frame.getBounds();
  75         rect.setLocation(frame.getLocationOnScreen());
  76 
  77         int x = (int) rect.getCenterX();
  78         int y = (int) rect.getCenterY();
  79 
  80         robot.mouseMove(x, y);
  81         robot.mousePress(InputEvent.BUTTON1_MASK);
  82         robot.mouseRelease(InputEvent.BUTTON1_MASK);
  83         robot.waitForIdle();
  84 
  85         if (x != mouseX || y != mouseY) {
  86             throw new RuntimeException("Wrong mouse click point!");
  87         }
  88     }
  89 
  90     private static boolean setSupportedLAF() {
  91 
  92         for (String supportedLAF : SUPPORTED_LAFS) {
  93             try {
  94                 UIManager.setLookAndFeel(supportedLAF);
  95                 return true;
  96             } catch (Exception ignored) {
  97             }
  98         }
  99 
 100         return false;
 101     }
 102 }