8017472: [macosx] Transparency demo is not correctly dragged on the second monitor

Reviewed-by: pchelko, serb

jdk/src/macosx/native/sun/awt/AWTView.m

@@ -367,7 +367,7 @@ AWT_ASSERT_APPKIT_THREAD;
     // TODO: need consitent way for doing that both with global as well as with local coordinates.
     // The reason to do it here is one more native method for getting screen dimension otherwise.
 
-    NSRect screenRect = [[NSScreen mainScreen] frame];
+    NSRect screenRect = [[[NSScreen screens] objectAtIndex:0] frame];
     absP.y = screenRect.size.height - absP.y;
     jint clickCount;
 

jdk/test/java/awt/Multiscreen/MouseEventTest/MouseEventTest.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+  @test
+  @bug 8017472
+  @summary MouseEvent has wrong coordinates when using multiple monitors
+  @run main MouseEventTest
+ */
+
+import sun.awt.SunToolkit;
+
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class MouseEventTest {
+    static volatile boolean crossed = false;
+
+    static void sleep() throws InterruptedException {
+        ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
+        Thread.sleep(500);
+    }
+
+    public static void main(String[] args) throws AWTException, InterruptedException {
+        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
+        GraphicsDevice[] gds = ge.getScreenDevices();
+        if (gds.length < 2) {
+            System.out.println("It's a multiscreen test... skipping!");
+            return;
+        }
+
+        for (int i = 0; i < gds.length; ++i) {
+            GraphicsDevice gd = gds[i];
+            GraphicsConfiguration gc = gd.getDefaultConfiguration();
+            Rectangle screen = gc.getBounds();
+            Robot robot = new Robot(gd);
+            robot.setAutoDelay(100);
+
+
+            Frame frame = new Frame(gc);
+            frame.setUndecorated(true);
+            frame.setSize(200, 200);
+            frame.setLocation(screen.x + 200, screen.y + 200);
+            frame.setBackground(Color.YELLOW);
+            frame.setVisible(true);
+            sleep();
+
+            Point loc = frame.getLocationOnScreen();
+            Dimension size = frame.getSize();
+            final Point point = new Point(
+                    loc.x + size.width / 2,
+                    loc.y + size.height / 2);
+
+            crossed = false;
+
+            frame.addMouseMotionListener(new MouseAdapter() {
+                @Override
+                public void mouseMoved(MouseEvent e) {
+                    if (point.equals(e.getLocationOnScreen())) {
+                        crossed = true;
+                    }
+                }
+            });
+
+            robot.mouseMove(point.x - 1, point.y - 1);
+            robot.mouseMove(point.x, point.y);
+
+            sleep();
+            frame.dispose();
+
+            if (!crossed) {
+                throw new RuntimeException("An expected mouse motion event was not received on the screen #" + i);
+            }
+        }
+
+        System.out.println("Test PASSED!");
+    }
+}