8036915: setLocationRelativeTo stopped working in Ubuntu 13.10 (Unity)

Reviewed-by: alexsch, azvegint

jdk/src/java.desktop/unix/classes/sun/awt/X11/XDecoratedPeer.java

@@ -29,6 +29,9 @@ import java.awt.*;
 import java.awt.event.ComponentEvent;
 import java.awt.event.InvocationEvent;
 import java.awt.event.WindowEvent;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
 
 import sun.awt.IconInfo;
 import sun.util.logging.PlatformLogger;
@@ -52,6 +55,8 @@ abstract class XDecoratedPeer extends XWindowPeer {
     XContentWindow content;
     Insets currentInsets;
     XFocusProxyWindow focusProxy;
+    static final Map<Class<?>,Insets> lastKnownInsets =
+                                   Collections.synchronizedMap(new HashMap<>());
 
     XDecoratedPeer(Window target) {
         super(target);
@@ -74,6 +79,9 @@ abstract class XDecoratedPeer extends XWindowPeer {
         winAttr.initialFocus = true;
 
         currentInsets = new Insets(0,0,0,0);
+        if (XWM.getWMID() == XWM.UNITY_COMPIZ_WM) {
+            currentInsets = lastKnownInsets.get(getClass());
+        }
         applyGuessedInsets();
 
         Rectangle bounds = (Rectangle)params.get(BOUNDS);
@@ -297,7 +305,25 @@ abstract class XDecoratedPeer extends XWindowPeer {
         if (ev.get_atom() == XWM.XA_KDE_NET_WM_FRAME_STRUT.getAtom()
             || ev.get_atom() == XWM.XA_NET_FRAME_EXTENTS.getAtom())
         {
+            if (XWM.getWMID() != XWM.UNITY_COMPIZ_WM) {
                 getWMSetInsets(XAtom.get(ev.get_atom()));
+            } else {
+                if(!isReparented()) {
+                    return;
+                }
+                wm_set_insets = null;
+                Insets in = getWMSetInsets(XAtom.get(ev.get_atom()));
+                if (isNull(in)) {
+                    return;
+                }
+                if (!isEmbedded() && !isTargetUndecorated()) {
+                    lastKnownInsets.put(getClass(), in);
+                }
+                if (!in.equals(dimensions.getInsets())) {
+                    handleCorrectInsets(in);
+                }
+                insets_corrected = true;
+            }
         }
     }
 
@@ -370,7 +396,7 @@ abstract class XDecoratedPeer extends XWindowPeer {
                     }
                 }
 
-                if (correctWM != null) {
+                if (correctWM != null && XWM.getWMID() != XWM.UNITY_COMPIZ_WM) {
                     handleCorrectInsets(correctWM);
                 }
             }
@@ -664,6 +690,9 @@ abstract class XDecoratedPeer extends XWindowPeer {
 
     boolean no_reparent_artifacts = false;
     public void handleConfigureNotifyEvent(XEvent xev) {
+        if (XWM.getWMID() == XWM.UNITY_COMPIZ_WM && !insets_corrected) {
+            return;
+        }
         assert (SunToolkit.isAWTLockHeldByCurrentThread());
         XConfigureEvent xe = xev.get_xconfigure();
         if (insLog.isLoggable(PlatformLogger.Level.FINE)) {

jdk/src/java.desktop/unix/classes/sun/awt/X11/XWM.java

@@ -1360,6 +1360,9 @@ final class XWM
               case LG3D_WM:
                   res = zeroInsets;
                   break;
+              case UNITY_COMPIZ_WM:
+                  res = new Insets(28, 1, 1, 1);
+                  break;
               case MOTIF_WM:
               case OPENLOOK_WM:
               default:

jdk/src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java

@@ -777,6 +777,7 @@ class XWindowPeer extends XPanelPeer implements WindowPeer,
                 case XWM.METACITY_WM:
                 case XWM.MUTTER_WM:
                 case XWM.SAWFISH_WM:
+                case XWM.UNITY_COMPIZ_WM:
                 {
                     Point xlocation = queryXLocation();
                     if (log.isLoggable(PlatformLogger.Level.FINE)) {

jdk/test/java/awt/Window/GetScreenLocation/GetScreenLocationTest.java

+/*
+ * Copyright (c) 2016, 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 @summary setLocationRelativeTo stopped working in Ubuntu 13.10 (Unity)
+ * @bug 8036915
+ * @run main GetScreenLocationTest
+ */
+import java.awt.*;
+
+public class GetScreenLocationTest {
+
+    public static void main(String[] args) throws Exception {
+        Robot robot = new Robot();
+        Window frame = null;
+        for(int i = 0; i < 50; i++) {
+            if(frame != null) frame.dispose();
+            frame = new Dialog((Frame)null);
+            frame.setBounds(0, 0, 200, 200);
+            frame.setVisible(true);
+            robot.waitForIdle();
+            robot.delay(200);
+            frame.setLocation(321, 321);
+            robot.waitForIdle();
+            robot.delay(200);
+            Dimension size = frame.getSize();
+            if(size.width != 200 || size.height != 200) {
+                frame.dispose();
+                throw new RuntimeException("getSize() is wrong " + size);
+            }
+            Rectangle r = frame.getBounds();
+            frame.dispose();
+            if(r.x != 321 || r.y != 321) {
+                throw new RuntimeException("getLocation() returns " +
+                        "wrong coordinates " + r.getLocation());
+            }
+            if(r.width != 200 || r.height != 200) {
+                throw new RuntimeException("getSize() is wrong " + r.getSize());
+            }
+        }
+        System.out.println("ok");
+    }
+
+}