Merge branch 'master' of http://github.com/sgothel/jogl

18bf27fa86da1f26fd085565f501736816d2f2e9

Conflicts resolved:
	src/newt/classes/com/jogamp/newt/impl/WindowImpl.java
	src/newt/classes/com/jogamp/newt/impl/windows/WindowsWindow.java
	src/newt/classes/com/jogamp/newt/impl/x11/X11Window.java
	src/newt/native/WindowsWindow.c
	src/newt/native/X11Window.c

14 files changed, 1166 insertions, 777 deletions

diff --git a/src/newt/classes/com/jogamp/newt/Window.java b/src/newt/classes/com/jogamp/newt/Window.java
index 4bdcd67a4..7e1a55b21 100644
--- a/src/newt/classes/com/jogamp/newt/Window.java
+++ b/src/newt/classes/com/jogamp/newt/Window.java
@@ -48,6 +48,9 @@ public interface Window extends NativeWindow {
     public static final boolean DEBUG_WINDOW_EVENT = Debug.debug("Window.WindowEvent");
     public static final boolean DEBUG_IMPLEMENTATION = Debug.debug("Window");
 
+    /** A 500ms timeout while waiting for a native action response, ie {@link #setVisible(boolean)}. */
+    public static final long TIMEOUT_NATIVEWINDOW = 500;
+
     //
     // Lifecycle
     //
diff --git a/src/newt/classes/com/jogamp/newt/impl/OffscreenWindow.java b/src/newt/classes/com/jogamp/newt/impl/OffscreenWindow.java
index 95c326ce4..f3c7b8415 100644
--- a/src/newt/classes/com/jogamp/newt/impl/OffscreenWindow.java
+++ b/src/newt/classes/com/jogamp/newt/impl/OffscreenWindow.java
@@ -86,7 +86,9 @@ public class OffscreenWindow extends WindowImpl implements SurfaceChangeable {
         return surfaceHandle;
     }
 
-    protected void setVisibleImpl(boolean visible) {
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
+        sizeChanged(width, height, false);
+        visibleChanged(visible);
     }
 
     protected void requestFocusImpl(boolean reparented) {
@@ -94,27 +96,19 @@ public class OffscreenWindow extends WindowImpl implements SurfaceChangeable {
 
     public void setSize(int width, int height) {
         if(!visible) {
-            this.width = width;
-            this.height = height;
+            sizeChanged(width, height, false);
         }
     }
-    protected void setSizeImpl(int width, int height) {
-        shouldNotCallThis();
-    }
-
     public void setPosition(int x, int y) {
         // nop
     }
-    protected void setPositionImpl(int x, int y) {
-        shouldNotCallThis();
-    }
-
     public boolean setFullscreen(boolean fullscreen) {
         // nop
         return false;
     }
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, boolean parentChange, int fullScreenChange, int decorationChange) {
         shouldNotCallThis();
+        return false;
     }
 
     public Point getLocationOnScreen(Point storage) {
@@ -125,5 +119,9 @@ public class OffscreenWindow extends WindowImpl implements SurfaceChangeable {
      }
      return new Point(0,0);
     }
+
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return new Point(x,y);
+    }
 }
 
diff --git a/src/newt/classes/com/jogamp/newt/impl/WindowImpl.java b/src/newt/classes/com/jogamp/newt/impl/WindowImpl.java
index 49816c79d..631c1b1c0 100644
--- a/src/newt/classes/com/jogamp/newt/impl/WindowImpl.java
+++ b/src/newt/classes/com/jogamp/newt/impl/WindowImpl.java
@@ -171,12 +171,11 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     protected Capabilities caps;
     protected boolean fullscreen, visible, hasFocus;
     protected int width, height, x, y;
-
-    // non fullscreen dimensions ..
-    protected int nfs_width, nfs_height, nfs_x, nfs_y;
+    protected int nfs_width, nfs_height, nfs_x, nfs_y; // non fullscreen dimensions ..
 
     protected String title = "Newt Window";
     protected boolean undecorated = false;
+    private boolean handleDestroyNotify = true;
 
     private final void destroyScreen() {
         screenReferenced = false;
@@ -194,9 +193,6 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     }
 
     private boolean createNative() {
-        if( null==screen || 0!=windowHandle || !visible ) {
-            return 0 != windowHandle ;
-        }
         if(DEBUG_IMPLEMENTATION) {
             System.err.println("Window.createNative() START ("+getThreadName()+", "+this+")");
         }
@@ -211,7 +207,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                     screen.addReference();
                 }
                 createNativeImpl();
-                setVisibleImpl(true);
+                setVisibleImpl(true, x, y, width, height);
             }
         } finally {
             if(null!=parentWindow) {
@@ -271,22 +267,68 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     // Window: Native implementation
     //
 
+    /** 
+     * The native implementation must set the native windowHandle.<br>
+     *
+     * The implementation should invoke the referenced java state callbacks
+     * to notify this Java object of state changes.
+     * 
+     * @see #windowDestroyNotify()
+     * @see #focusChanged(boolean)
+     * @see #visibleChanged(boolean)
+     * @see #sizeChanged(int,int)
+     * @see #positionChanged(int,int)
+     * @see #windowDestroyNotify()
+     */
     protected abstract void createNativeImpl();
 
     protected abstract void closeNativeImpl();
 
-    protected abstract void requestFocusImpl(boolean reparented);
-
-    protected abstract void setVisibleImpl(boolean visible);
-
-    protected abstract void setSizeImpl(int width, int height);
+    /** 
+     * The native implementation must invoke {@link #focusChanged(boolean)}
+     * to change the focus state, if <code>force == false</code>. 
+     * This may happen asynchronous within {@link #TIMEOUT_NATIVEWINDOW}.
+     * 
+     * @param force if true, bypass {@link #focusChanged(boolean)} and force focus request
+     */
+    protected abstract void requestFocusImpl(boolean force);
 
-    protected abstract void setPositionImpl(int x, int y);
+    /** 
+     * The native implementation must invoke {@link #visibleChanged(boolean)}
+     * to change the visibility state. This may happen asynchronous within 
+     * {@link #TIMEOUT_NATIVEWINDOW}.
+     */
+    protected abstract void setVisibleImpl(boolean visible, int x, int y, int width, int height);
 
-    protected abstract void reconfigureWindowImpl(int x, int y, int width, int height);
+    /**
+     * The native implementation should invoke the referenced java state callbacks
+     * to notify this Java object of state changes.
+     * 
+     * @param x -1 if no position change requested, otherwise greater than zero
+     * @param y -1 if no position change requested, otherwise greater than zero
+     * @param width -1 if no size change requested, otherwise greater than zero
+     * @param height -1 if no size change requested, otherwise greater than zero
+     * @param parentChange true if reparenting requested, otherwise false
+     * @param fullScreenChange 0 if unchanged, -1 fullscreen off, 1 fullscreen on
+     * @param decorationChange 0 if unchanged, -1 undecorated, 1 decorated
+     *
+     * @see #sizeChanged(int,int)
+     * @see #positionChanged(int,int)
+     */
+    protected abstract boolean reconfigureWindowImpl(int x, int y, int width, int height, 
+                                                     boolean parentChange, int fullScreenChange, int decorationChange);
 
     protected void setTitleImpl(String title) {}
 
+    /**
+     * Return screen coordinates of the given coordinates
+     * or null, in which case a NativeWindow traversal shall being used
+     * as demonstrated in {@link #getLocationOnScreen(javax.media.nativewindow.util.Point)}.
+     *
+     * @return if not null, the screen location of the given coordinates
+     */
+    protected abstract Point getLocationOnScreenImpl(int x, int y);
+
     //----------------------------------------------------------------------
     // NativeSurface
     //
@@ -371,12 +413,31 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     }
 
     public Point getLocationOnScreen(Point storage) {
+        if(isNativeValid()) {
+            Point d;
+            windowLock.lock();
+            try {
+                d = getLocationOnScreenImpl(0, 0);
+            } finally {
+                windowLock.unlock();
+            }
+            if(null!=d) {
+                if(null!=storage) {
+                    storage.translate(d.getX(),d.getY());
+                    return storage;
+                }
+                return d;
+            }
+            // fall through intended ..
+        }
+
         if(null!=storage) {
             storage.translate(getX(),getY());
         } else {
             storage = new Point(getX(),getY());
         }
         if(null!=parentWindow) {
+            // traverse through parent list ..
             parentWindow.getLocationOnScreen(storage);
         }
         return storage;
@@ -398,27 +459,12 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
         return screen;
     }
 
-    public void setVisible(boolean visible) {
-        if(isValid()) {
-            if( 0==windowHandle && visible && 0>=width*height ) {
-                // fast-path: not realized yet, make visible, but zero size
-                return;
-            }
-            VisibleAction va = new VisibleAction(visible);
-            runOnEDTIfAvail(true, va);
-            if( va.getChanged() ) {
-                sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout and repaint to listener
-            }
-
-        }
-    }
-
     class VisibleAction implements Runnable {
         boolean visible;
         boolean nativeWindowCreated;
         boolean madeVisible;
 
-        public VisibleAction(boolean visible) {
+        public VisibleAction (boolean visible) {
             this.visible = visible;
             this.nativeWindowCreated = false;
             this.madeVisible = false;
@@ -446,14 +492,15 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                   }
                 }
                 if(0==windowHandle && visible) {
-                    WindowImpl.this.visible = visible;
                     if( 0<width*height ) {
                         nativeWindowCreated = createNative();
+                        WindowImpl.this.waitForVisible(visible, true);
+                        madeVisible = visible;
                     }
                 } else if(WindowImpl.this.visible != visible) {
-                    WindowImpl.this.visible = visible;
                     if(0 != windowHandle) {
-                        setVisibleImpl(visible);
+                        setVisibleImpl(visible, x, y, width, height);
+                        WindowImpl.this.waitForVisible(visible, true);
                         madeVisible = visible;
                     }
                 }
@@ -481,58 +528,78 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
         }
     }
 
-    public void setSize(int width, int height) {
-        int visibleAction = 0; // 1 invisible, 2 visible
-        windowLock.lock();
-        try{
-            if ( !fullscreen && ( width != this.width || this.height != height ) ) {
-                if(DEBUG_IMPLEMENTATION) {
-                    String msg = new String("Window setSize: START "+this.width+"x"+this.height+" -> "+width+"x"+height+", fs "+fullscreen+", windowHandle "+toHexString(windowHandle)+", visible "+visible);
-                    System.err.println(msg);
-                }
-                nfs_width=width;
-                nfs_height=height;
-                if ( 0 != windowHandle && 0>=width*height && visible ) {
-                    visibleAction=1; // invisible
-                    this.width = 0;
-                    this.height = 0;
-                } else if ( 0 == windowHandle && 0<width*height && visible ) {
-                    visibleAction = 2; // visible
-                    this.width = width;
-                    this.height = height;
-                } else if ( 0 != windowHandle ) {
-                    // this width/height will be set by windowChanged, called by the native implementation
-                    setSizeImpl(width, height);
-                } else {
-                    this.width = width;
-                    this.height = height;
-                }
-                if(DEBUG_IMPLEMENTATION) {
-                    System.err.println("Window setSize: END "+this.width+"x"+this.height+", visibleAction "+visibleAction);
-                }
+    public void setVisible(boolean visible) {
+        if(isValid()) {
+            if( 0==windowHandle && visible && 0>=width*height ) {
+                // fast-path: not realized yet, make visible, but zero size
+                return;
             }
-        } finally {
-            windowLock.unlock();
+            VisibleAction visibleAction = new VisibleAction(visible);
+            runOnEDTIfAvail(true, visibleAction);
+            if( visibleAction.getChanged() ) {
+                sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout and repaint to listener
+            }
+        }
+    }
+
+    class SetSizeActionImpl implements Runnable {
+        int visibleAction = 0; // 1 invisible, 2 visible (create)
+        int width, height;
+
+        public int getVisibleAction() { 
+            return visibleAction;
         }
-        if(visibleAction>0) {
-            setVisible( ( 1 == visibleAction ) ? false : true );
+        public SetSizeActionImpl(int w, int h) {
+            width = w;
+            height = h;
+        }
+        public void run() {
+            windowLock.lock();
+            try {
+                if ( !fullscreen && ( width != WindowImpl.this.width || WindowImpl.this.height != height ) ) {
+                    if(DEBUG_IMPLEMENTATION) {
+                        String msg = new String("Window setSize: START "+WindowImpl.this.width+"x"+WindowImpl.this.height+" -> "+width+"x"+height+", fs "+fullscreen+", windowHandle "+toHexString(windowHandle)+", visible "+visible);
+                        System.err.println(msg);
+                    }
+                    if ( 0 != windowHandle && 0>=width*height && visible ) {
+                        visibleAction=1; // invisible
+                        WindowImpl.this.width = 0;
+                        WindowImpl.this.height = 0;
+                    } else if ( 0 == windowHandle && 0<width*height && visible ) {
+                        visibleAction = 2; // visible (create)
+                        WindowImpl.this.width = width;
+                        WindowImpl.this.height = height;
+                    } else if ( 0 != windowHandle ) {
+                        // this width/height will be set by windowChanged, called by the native implementation
+                        reconfigureWindowImpl(x, y, width, height, false, 0, 0);
+                    } else {
+                        WindowImpl.this.width = width;
+                        WindowImpl.this.height = height;
+                    }
+                    if(DEBUG_IMPLEMENTATION) {
+                        System.err.println("Window setSize: END "+WindowImpl.this.width+"x"+WindowImpl.this.height+", visibleAction "+visibleAction);
+                    }
+                }
+            } finally {
+                windowLock.unlock();
+            }
         }
     }
 
-    public void destroy(boolean unrecoverable) {
-        if( isValid() ) {
-            if(DEBUG_IMPLEMENTATION) {
-                String msg = new String("Window.destroy(unrecoverable: "+unrecoverable+") START "+getThreadName()/*+", "+this*/);
-                System.err.println(msg);
-                //Exception ee = new Exception(msg);
-                //ee.printStackTrace();
+    public void setSize(int width, int height) {
+        if(isValid()) {
+            SetSizeActionImpl setSizeAction = new SetSizeActionImpl(width, height);
+            runOnEDTIfAvail(true, setSizeAction);
+            switch(setSizeAction.getVisibleAction()) {
+                case 1: setVisible(false); break;
+                case 2: setVisible(true); break;
             }
-            runOnEDTIfAvail(true, new DestroyAction(unrecoverable));
         }
     }
 
     class DestroyAction implements Runnable {
         boolean unrecoverable;
+
         public DestroyAction(boolean unrecoverable) {
             this.unrecoverable = unrecoverable;
         }
@@ -592,6 +659,19 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
         }
     }
 
+    public void destroy(boolean unrecoverable) {
+        if( isValid() ) {
+            if(DEBUG_IMPLEMENTATION) {
+                String msg = new String("Window.destroy(unrecoverable: "+unrecoverable+") START "+getThreadName()/*+", "+this*/);
+                System.err.println(msg);
+                //Exception ee = new Exception(msg);
+                //ee.printStackTrace();
+            }
+            DestroyAction destroyAction = new DestroyAction(unrecoverable);
+            runOnEDTIfAvail(true, destroyAction);
+        }
+    }
+
     /**
      * <p>
      * render all native window information invalid,
@@ -618,7 +698,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
      */
     protected void invalidate(boolean unrecoverable) {
         windowLock.lock();
-        try{
+        try {
             if(DEBUG_IMPLEMENTATION || DEBUG_WINDOW_EVENT) {
                 String msg = new String("!!! Window Invalidate(unrecoverable: "+unrecoverable+") "+getThreadName());
                 System.err.println(msg);
@@ -667,6 +747,12 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
             boolean wasVisible;
             boolean displayChanged = false;
 
+            // mirror pos/size so native change notification can get overwritten
+            int x = WindowImpl.this.x;
+            int y = WindowImpl.this.y;
+            int width = WindowImpl.this.width;
+            int height = WindowImpl.this.height;
+
             windowLock.lock();
             try {
                 wasVisible = isVisible();
@@ -679,10 +765,22 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 long newParentWindowHandle = 0 ;
 
                 if(DEBUG_IMPLEMENTATION) {
-                    System.err.println("Window.reparent: START ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle)+", visible "+wasVisible+", old parentWindow: "+Display.hashCode(parentWindow)+", new parentWindow: "+Display.hashCode(newParentWindow)+", forceDestroyCreate "+forceDestroyCreate+", DEBUG_TEST_REPARENT_INCOMPATIBLE "+DEBUG_TEST_REPARENT_INCOMPATIBLE);
+                    System.err.println("Window.reparent: START ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle)+", visible "+wasVisible+", old parentWindow: "+Display.hashCode(parentWindow)+", new parentWindow: "+Display.hashCode(newParentWindow)+", forceDestroyCreate "+forceDestroyCreate+", DEBUG_TEST_REPARENT_INCOMPATIBLE "+DEBUG_TEST_REPARENT_INCOMPATIBLE+" "+x+"/"+y+" "+width+"x"+height);
                 }
 
                 if(null!=newParentWindow) {
+                    // reset position to 0/0 within parent space
+                    x = 0;
+                    y = 0;
+
+                    // refit if size is bigger than parent
+                    if( width > newParentWindow.getWidth() ) {
+                        width = newParentWindow.getWidth();
+                    }
+                    if( height > newParentWindow.getHeight() ) {
+                        height = newParentWindow.getHeight();
+                    }
+
                     // Case: Child Window
                     newParentWindowHandle = getNativeWindowHandle(newParentWindow);
                     if(0 == newParentWindowHandle) {
@@ -740,6 +838,14 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                         reparentAction = ACTION_UNCHANGED;
                     }
                 } else {
+                    if( null != parentWindow ) {
+                        // child -> top
+                        // put client to current parent+child position
+                        Point p = getLocationOnScreen(null);
+                        x = p.getX();
+                        y = p.getY();
+                    }
+
                     // Case: Top Window
                     if( 0 == getParentWindowHandle() ) {
                         // Already Top Window
@@ -789,45 +895,59 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 }
 
                 if( ACTION_NATIVE_REPARENTING == reparentAction ) {
-                    if(0!=parentWindowHandle) {
-                        // reset position to 0/0 within parent space
-                        // FIXME .. cache position ?
-                        x = 0;
-                        y = 0;
-                    }
                     DisplayImpl display = (DisplayImpl) screen.getDisplay();
-                    display.dispatchMessages(); // status up2date
+                    display.dispatchMessagesNative(); // status up2date
                     if(wasVisible) {
-                        visible = false;
-                        setVisibleImpl(false);
-                        display.dispatchMessages(); // status up2date
+                        setVisibleImpl(false, x, y, width, height);
+                        WindowImpl.this.waitForVisible(false, true);
                     }
 
                     // Lock parentWindow only during reparenting (attempt)
                     NativeWindow parentWindowLocked = null;
                     if( null != parentWindow ) {
                         parentWindowLocked = parentWindow;
-                        if(NativeSurface.LOCK_SURFACE_NOT_READY >= parentWindowLocked.lockSurface() ) {
+                        if( NativeSurface.LOCK_SURFACE_NOT_READY >= parentWindowLocked.lockSurface() ) {
                             throw new NativeWindowException("Parent surface lock: not ready: "+parentWindow);
                         }
                     }
                     boolean ok = false;
                     try {
-                        ok = reparentWindowImpl();
+                        // write back mirrored values, to be able to detect satisfaction
+                        WindowImpl.this.x = x;
+                        WindowImpl.this.y = y;
+                        WindowImpl.this.width = width;
+                        WindowImpl.this.height = height;
+                        ok = reconfigureWindowImpl(x, y, width, height, true, 0, isUndecorated()?-1:1);
                     } finally {
                         if(null!=parentWindowLocked) {
                             parentWindowLocked.unlockSurface();
                         }
                     }
 
+                    // set visible again, and revalidate 'ok',
+                    // since it has been experience that in some cases the reparented window gets hidden
+                    if(ok) {
+                        display.dispatchMessagesNative(); // status up2date
+                        if(wasVisible) {
+                            setVisibleImpl(true, x, y, width, height);
+                            ok = WindowImpl.this.waitForVisible(true, false);
+                            display.dispatchMessagesNative(); // status up2date
+                            if( WindowImpl.this.x != x ||
+                                WindowImpl.this.y != y ||
+                                WindowImpl.this.width != width ||
+                                WindowImpl.this.height != height ) 
+                            {
+                                // reset pos/size .. due to some native impl flakyness
+                                reconfigureWindowImpl(x, y, width, height, false, 0, 0);
+                                display.dispatchMessagesNative(); // status up2date
+                            }
+                        }
+                    }
+
                     if(ok) {
-                        display.dispatchMessages(); // status up2date
                         if(wasVisible) {
-                            visible = true;
-                            setVisibleImpl(true);
-                            display.dispatchMessages(); // status up2date
                             requestFocusImpl(true);
-                            display.dispatchMessages(); // status up2date
+                            display.dispatchMessagesNative(); // status up2date
                         }
                     } else {
                         // native reparent failed -> try creation
@@ -839,15 +959,22 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                     }
                 }
 
+                // write back mirrored values, ensuring persitence
+                // and not relying on native messaging
+                WindowImpl.this.x = x;
+                WindowImpl.this.y = y;
+                WindowImpl.this.width = width;
+                WindowImpl.this.height = height;
+
                 if(DEBUG_IMPLEMENTATION) {
-                    System.err.println("Window.reparentWindow: END ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+", visible: "+visible+", parentWindowHandle "+toHexString(parentWindowHandle)+", parentWindow "+ Display.hashCode(parentWindow));
+                    System.err.println("Window.reparentWindow: END ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+", visible: "+visible+", parentWindowHandle "+toHexString(parentWindowHandle)+", parentWindow "+ Display.hashCode(parentWindow)+" "+x+"/"+y+" "+width+"x"+height);
                 }
             } finally {
                 windowLock.unlock();
             }
 
             if( ACTION_NATIVE_CREATION == reparentAction && wasVisible ) {
-                // This may run on the the Display/Screen connection,
+                // This may run on the Display/Screen connection,
                 // hence a new EDT task
                 runOnEDTIfAvail(true, reparentActionRecreate);
             }
@@ -884,24 +1011,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 ReparentActionImpl reparentAction = new ReparentActionImpl(newParent, forceDestroyCreate);
                 runOnEDTIfAvail(true, reparentAction);
                 reparentActionStrategy = reparentAction.getStrategy();
-                boolean sizeSignaled=false;
-                if(null!=newParent) {
-                    // refit if size is bigger than parent
-                    int w = getWidth();
-                    int h = getHeight();
-                    if(w>newParent.getWidth()) {
-                        w=newParent.getWidth();
-                        sizeSignaled=true;
-                    }
-                    if(h>newParent.getHeight()) {
-                        h=newParent.getHeight();
-                        sizeSignaled=true;
-                    }
-                    if(sizeSignaled) {
-                        setSize(w, h);
-                    }
-                }
-                if( !sizeSignaled && isVisible() ) {
+                if( isVisible() ) {
                     sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout and repaint to listener
                 }
             } finally {
@@ -935,22 +1045,70 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
         }
     }
 
-    public void setUndecorated(boolean value) {
-        if(!fullscreen && this.undecorated != value) {
-            undecorated = value;
-            if( 0 != windowHandle ) {
-                reconfigureWindowImpl(x, y, width, height);
-                requestFocus();
+    class DecorationActionImpl implements Runnable {
+        boolean undecorated;
+
+        public DecorationActionImpl(boolean undecorated) {
+            this.undecorated = undecorated;
+        }
+
+        public void run() {
+            windowLock.lock();
+            try {
+                if(!fullscreen && isNativeValid() && WindowImpl.this.undecorated != undecorated) {
+                    WindowImpl.this.undecorated = undecorated;
+                    // mirror pos/size so native change notification can get overwritten
+                    int x = WindowImpl.this.x;
+                    int y = WindowImpl.this.y;
+                    int width = WindowImpl.this.width;
+                    int height = WindowImpl.this.height;
+
+                    if( 0 != windowHandle ) {
+                        DisplayImpl display = (DisplayImpl) screen.getDisplay();
+                        display.dispatchMessagesNative(); // status up2date
+                        boolean wasVisible = isVisible();
+                        setVisibleImpl(false, x, y, width, height);
+                        WindowImpl.this.waitForVisible(false, true);
+                        display.dispatchMessagesNative(); // status up2date
+                        reconfigureWindowImpl(x, y, width, height, false, 0, undecorated?-1:1);
+                        display.dispatchMessagesNative(); // status up2date
+                        if(wasVisible) {
+                            setVisibleImpl(true, x, y, width, height);
+                            WindowImpl.this.waitForVisible(true, true);
+                            display.dispatchMessagesNative(); // status up2date
+                            if( WindowImpl.this.x != x ||
+                                WindowImpl.this.y != y ||
+                                WindowImpl.this.width != width ||
+                                WindowImpl.this.height != height ) 
+                            {
+                                // reset pos/size .. due to some native impl flakyness
+                                reconfigureWindowImpl(x, y, width, height, false, 0, 0);
+                                display.dispatchMessagesNative(); // status up2date
+                            }
+                            requestFocusImpl(true);
+                            display.dispatchMessagesNative(); // status up2date
+                        }
+                    }
+                }
+            } finally {
+                windowLock.unlock();
             }
         }
     }
 
+    public void setUndecorated(boolean value) {
+        if(isValid()) {
+            DecorationActionImpl decorationAction = new DecorationActionImpl(value);
+            runOnEDTIfAvail(true, decorationAction);
+            sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout and repaint to listener
+        }
+    }
+
     public boolean isUndecorated() {
         return 0 != parentWindowHandle || undecorated || fullscreen ;
     }
 
     public void requestFocus() {
-        // enqueueRequestFocus(false); // FIXME: or shall we wait ?
         enqueueRequestFocus(true);
     }
 
@@ -1083,12 +1241,15 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
 
     class RequestFocusAction implements Runnable {
         public void run() {
+            if(DEBUG_IMPLEMENTATION) {
+                System.err.println("Window.RequestFocusAction: ("+getThreadName()+"): "+hasFocus+" -> true - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
+            }
             WindowImpl.this.requestFocusImpl(false);
         }
     }
     RequestFocusAction requestFocusAction = new RequestFocusAction();
 
-    public void enqueueRequestFocus(boolean wait) {
+    protected void enqueueRequestFocus(boolean wait) {
         runOnEDTIfAvail(wait, requestFocusAction);
     }
 
@@ -1117,67 +1278,100 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     }
     protected FocusRunnable focusAction = null;
 
-    private boolean handleDestroyNotify = true;
+    class SetPositionActionImpl implements Runnable {
+        int x, y;
 
-    public void setPosition(int x, int y) {
-        windowLock.lock();
-        try{
-            if(DEBUG_IMPLEMENTATION) {
-                System.err.println("Window setPosition: "+this.x+"/"+this.y+" -> "+x+"/"+y+", fs "+fullscreen+", windowHandle "+toHexString(windowHandle));
-            }
-            if ( this.x != x || this.y != y ) {
-                if(!fullscreen) {
-                    nfs_x=x;
-                    nfs_y=y;
-                    if(0!=windowHandle) {
-                        // this x/y will be set by windowChanged, called by X11
-                        setPositionImpl(x, y);
-                    } else {
-                        this.x = x;
-                        this.y = y;
+        public SetPositionActionImpl(int x, int y) {
+            this.x = x;
+            this.y = y;
+        }
+        public void run() {
+            windowLock.lock();
+            try {
+                if(DEBUG_IMPLEMENTATION) {
+                    System.err.println("Window setPosition: "+WindowImpl.this.x+"/"+WindowImpl.this.y+" -> "+x+"/"+y+", fs "+fullscreen+", windowHandle "+toHexString(windowHandle));
+                }
+                if ( WindowImpl.this.x != x || WindowImpl.this.y != y ) {
+                    if(!fullscreen) {
+                        if(0!=windowHandle) {
+                            // this.x/this.y will be set by windowChanged, called by the native implementation
+                            reconfigureWindowImpl(x, y, -1, -1, false, 0, 0);
+                        } else {
+                            WindowImpl.this.x = x;
+                            WindowImpl.this.y = y;
+                        }
                     }
                 }
+            } finally {
+                windowLock.unlock();
             }
-        } finally {
-            windowLock.unlock();
         }
     }
 
-    public boolean setFullscreen(boolean fullscreen) {
-        boolean action = false;
-        windowLock.lock();
-        try{
-            if(0!=windowHandle && this.fullscreen!=fullscreen) {
-                int x,y,w,h;
-                if(fullscreen) {
-                    x = 0; y = 0;
-                    w = screen.getWidth();
-                    h = screen.getHeight();
-                } else {
-                    if(0!=parentWindowHandle) {
-                        x=0;
-                        y=0;
+    public void setPosition(int x, int y) {
+        if(isValid()) {
+            SetPositionActionImpl setPositionAction = new SetPositionActionImpl(x, y);
+            runOnEDTIfAvail(true, setPositionAction);
+        }
+    }
+
+    class FullScreenActionImpl implements Runnable {
+        boolean fullscreen;
+
+        public FullScreenActionImpl (boolean fullscreen) {
+            this.fullscreen = fullscreen;
+        }
+
+        public void run() {
+            windowLock.lock();
+            try {
+                if(isNativeValid() && WindowImpl.this.fullscreen != fullscreen) {
+                    int x,y,w,h;
+                    WindowImpl.this.fullscreen = fullscreen;
+                    if(fullscreen) {
+                        x = 0; y = 0;
+                        w = screen.getWidth();
+                        h = screen.getHeight();
+                        nfs_width = width;
+                        nfs_height = height;
+                        nfs_x = x;
+                        nfs_y = y;
                     } else {
                         x = nfs_x;
                         y = nfs_y;
+                        w = nfs_width;
+                        h = nfs_height;
+                    }
+                    if(DEBUG_IMPLEMENTATION || DEBUG_WINDOW_EVENT) {
+                        System.err.println("X11Window fs: "+fullscreen+" "+x+"/"+y+" "+w+"x"+h+", "+isUndecorated()+", "+screen);
+                    }
+
+                    DisplayImpl display = (DisplayImpl) screen.getDisplay();
+                    display.dispatchMessagesNative(); // status up2date
+                    boolean wasVisible = isVisible();
+                    setVisibleImpl(false, x, y, width, height);
+                    WindowImpl.this.waitForVisible(false, true);
+                    display.dispatchMessagesNative(); // status up2date
+                    reconfigureWindowImpl(x, y, w, h, getParentWindowHandle()!=0, fullscreen?1:-1, isUndecorated()?-1:1);
+                    display.dispatchMessagesNative(); // status up2date
+                    if(wasVisible) {
+                        setVisibleImpl(true, x, y, width, height);
+                        WindowImpl.this.waitForVisible(true, true);
+                        display.dispatchMessagesNative(); // status up2date
+                        requestFocusImpl(true);
+                        display.dispatchMessagesNative(); // status up2date
                     }
-                    w = nfs_width;
-                    h = nfs_height;
-                }
-                if(DEBUG_IMPLEMENTATION || DEBUG_WINDOW_EVENT) {
-                    System.err.println("Window fs: "+fullscreen+" "+x+"/"+y+" "+w+"x"+h+", "+isUndecorated()+", "+screen);
                 }
-                this.fullscreen = fullscreen;
-                reconfigureWindowImpl(x, y, w, h);
-                action = true;
+            } finally {
+                windowLock.unlock();
             }
-        } finally {
-            windowLock.unlock();
         }
-        if(action) {
-            requestFocus();
-        }
-        if( isVisible() ) {
+    }
+
+    public boolean setFullscreen(boolean fullscreen) {
+        if(isValid()) {
+            FullScreenActionImpl fullScreenAction = new FullScreenActionImpl(fullscreen);
+            runOnEDTIfAvail(true, fullScreenAction);
             sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout and repaint to listener
         }
         return this.fullscreen;
@@ -1654,7 +1848,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
      */
     protected void focusChanged(boolean focusGained) {
         if(DEBUG_IMPLEMENTATION) {
-            System.err.println("Window.focusChanged: ("+getThreadName()+"): "+focusGained+" - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
+            System.err.println("Window.focusChanged: ("+getThreadName()+"): "+this.hasFocus+" -> "+focusGained+" - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
         }
         hasFocus = focusGained;
         if (focusGained) {
@@ -1667,23 +1861,36 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     protected void visibleChanged(boolean visible) {
         if(DEBUG_IMPLEMENTATION) {
             System.err.println("Window.visibleChanged ("+getThreadName()+"): "+this.visible+" -> "+visible+" - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
-            // Exception e = new Exception("Window.visibleChanged ("+getThreadName()+"): "+this.visible+" -> "+visible+" - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
-            // e.printStackTrace();
         }
         this.visible = visible ;
     }
 
-    protected void sizeChanged(int newWidth, int newHeight) {
-        if(width != newWidth || height != newHeight) {
+    private boolean waitForVisible(boolean visible, boolean failFast) {
+        DisplayImpl display = (DisplayImpl) screen.getDisplay();
+        for(long sleep = TIMEOUT_NATIVEWINDOW; 0<sleep && this.visible != visible; sleep-=10 ) {
+            display.dispatchMessagesNative(); // status up2date
+            try {
+                Thread.sleep(10);
+            } catch (InterruptedException ie) {}
+            sleep -=10;
+        }
+        if(this.visible != visible) {
+            if(failFast) {
+                throw new NativeWindowException("Visibility not reached as requested within "+TIMEOUT_NATIVEWINDOW+"ms : requested "+visible+", is "+this.visible);
+            } else if (DEBUG_IMPLEMENTATION) {
+                System.err.println("******* Visibility not reached as requested within "+TIMEOUT_NATIVEWINDOW+"ms : requested "+visible+", is "+this.visible);
+            }
+        }
+        return this.visible == visible;
+    }
+
+    protected void sizeChanged(int newWidth, int newHeight, boolean force) {
+        if(force || width != newWidth || height != newHeight) {
             if(DEBUG_IMPLEMENTATION) {
-                System.err.println("Window.sizeChanged: ("+getThreadName()+"): "+width+"x"+height+" -> "+newWidth+"x"+newHeight+" - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
+                System.err.println("Window.sizeChanged: ("+getThreadName()+"): force "+force+", "+width+"x"+height+" -> "+newWidth+"x"+newHeight+" - windowHandle "+toHexString(windowHandle)+" parentWindowHandle "+toHexString(parentWindowHandle));
             }
             width = newWidth;
             height = newHeight;
-            if(!fullscreen) {
-                nfs_width=width;
-                nfs_height=height;
-            }
             if(isNativeValid()) {
                 sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED);
             }
@@ -1697,10 +1904,6 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
             }
             x = newX;
             y = newY;
-            if(!fullscreen) {
-                nfs_x=x;
-                nfs_y=y;
-            }
             sendWindowEvent(WindowEvent.EVENT_WINDOW_MOVED);
         }
     }
@@ -1731,6 +1934,8 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     public void windowRepaint(int x, int y, int width, int height) {
         if(DEBUG_IMPLEMENTATION) {
             System.err.println("Window.windowRepaint "+getThreadName()+" - "+x+"/"+y+" "+width+"x"+height);
+            // Exception ee = new Exception("Window.windowRepaint: "+" - "+x+"/"+y+" "+width+"x"+height);
+            // ee.printStackTrace();
         }
         if(0>width) {
             width=this.width;
@@ -1746,11 +1951,6 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
         }
     }
 
-    protected boolean reparentWindowImpl() {
-        // default implementation, no native reparenting support
-        return false;
-    }
-
     protected int getWindowLockRecursionCount() {
         return windowLock.getRecursionCount();
     }
diff --git a/src/newt/classes/com/jogamp/newt/impl/awt/AWTWindow.java b/src/newt/classes/com/jogamp/newt/impl/awt/AWTWindow.java
index 5abff047f..edd851451 100644
--- a/src/newt/classes/com/jogamp/newt/impl/awt/AWTWindow.java
+++ b/src/newt/classes/com/jogamp/newt/impl/awt/AWTWindow.java
@@ -46,6 +46,7 @@ import com.jogamp.newt.impl.WindowImpl;
 import java.awt.Insets;
 import javax.media.nativewindow.*;
 import javax.media.nativewindow.awt.*;
+import javax.media.nativewindow.util.Point;
 
 /** An implementation of the Newt Window class built using the
     AWT. This is provided for convenience of porting to platforms
@@ -74,8 +75,6 @@ public class AWTWindow extends WindowImpl {
     private Container container = null;
     private Frame frame = null; // same instance as container, just for impl. convenience
     private AWTCanvas canvas;
-    // non fullscreen dimensions ..
-    private int nfs_width, nfs_height, nfs_x, nfs_y;
 
     protected void requestFocusImpl(boolean reparented) {
         runOnEDT(true, new Runnable() {
@@ -176,13 +175,14 @@ public class AWTWindow extends WindowImpl {
         return res;
     }
 
-    protected void setVisibleImpl(final boolean visible) {
+    protected void setVisibleImpl(final boolean visible, int x, int y, int width, int height) {
         runOnEDT(true, new Runnable() {
                 public void run() {
                     container.setVisible(visible);
                 }
             });
 
+        reconfigureWindowImpl(x, y, width, height, false, 0, 0);
         config = canvas.getAWTGraphicsConfiguration();
 
         if (config == null) {
@@ -190,6 +190,7 @@ public class AWTWindow extends WindowImpl {
         }
 
         updateDeviceData();
+        visibleChanged(visible);
     }
 
     private void updateDeviceData() {
@@ -203,19 +204,6 @@ public class AWTWindow extends WindowImpl {
         ((AWTScreen)getScreen()).setScreenSize(w, h);
     }
 
-    protected void setSizeImpl(final int width, final int height) {
-        if(null!=container) {
-            /** An AWT event on setSize() would bring us in a deadlock situation, hence invokeLater() */
-            runOnEDT(false, new Runnable() {
-                    public void run() {
-                        Insets insets = container.getInsets();
-                        container.setSize(width + insets.left + insets.right,
-                                          height + insets.top + insets.bottom);
-                    }
-                });
-        }
-    }
-
     public javax.media.nativewindow.util.Insets getInsets() {
         final int insets[] = new int[] { 0, 0, 0, 0 };
         runOnEDT(true, new Runnable() {
@@ -230,21 +218,11 @@ public class AWTWindow extends WindowImpl {
         return new javax.media.nativewindow.util.Insets(insets[0],insets[1],insets[2],insets[3]);
     }
 
-    protected void setPositionImpl(final int x, final int y) {
-        if(null!=container) {
-            runOnEDT(true, new Runnable() {
-                    public void run() {
-                        container.setLocation(x, y);
-                    }
-                });
-        }
-    }
-
-    protected void reconfigureWindowImpl(final int x, final int y, final int width, final int height) {
+    protected boolean reconfigureWindowImpl(final int x, final int y, final int width, final int height, final boolean parentChange, final int fullScreenChange, final int decorationChange) {
         /** An AWT event on setSize() would bring us in a deadlock situation, hence invokeLater() */
         runOnEDT(false, new Runnable() {
                 public void run() {
-                    if(null!=frame) {
+                    if(decorationChange!=0 && null!=frame) {
                         if(!container.isDisplayable()) {
                             frame.setUndecorated(isUndecorated());
                         } else {
@@ -253,12 +231,26 @@ public class AWTWindow extends WindowImpl {
                             }
                         }
                     }
-                    container.setLocation(x, y);
-                    container.setSize(width, height);
+                    int _x=(x>=0)?x:AWTWindow.this.x;
+                    int _y=(x>=0)?y:AWTWindow.this.y;
+                    int _w=(width>0)?width:AWTWindow.this.width;
+                    int _h=(height>0)?height:AWTWindow.this.height;
+
+                    container.setLocation(_x, _y);
+                    Insets insets = container.getInsets();
+                    container.setSize(_w + insets.left + insets.right,
+                                      _h + insets.top + insets.bottom);
                 }
             });
+        return true;
     }
 
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        java.awt.Point ap = canvas.getLocationOnScreen();
+        ap.translate(x, y);
+        return new Point((int)(ap.getX()+0.5),(int)(ap.getY()+0.5));
+    }
+   
     public Object getWrappedWindow() {
         return canvas;
     }
diff --git a/src/newt/classes/com/jogamp/newt/impl/intel/gdl/Window.java b/src/newt/classes/com/jogamp/newt/impl/intel/gdl/Window.java
index 040fa15a9..749be8506 100644
--- a/src/newt/classes/com/jogamp/newt/impl/intel/gdl/Window.java
+++ b/src/newt/classes/com/jogamp/newt/impl/intel/gdl/Window.java
@@ -34,6 +34,7 @@
 package com.jogamp.newt.impl.intel.gdl;
 
 import javax.media.nativewindow.*;
+import javax.media.nativewindow.util.Point;
 
 public class Window extends com.jogamp.newt.impl.WindowImpl {
     static {
@@ -77,42 +78,40 @@ public class Window extends com.jogamp.newt.impl.WindowImpl {
         }
     }
 
-    protected void setVisibleImpl(boolean visible) {
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
+        reconfigureWindowImpl(x, y, width, height, false, 0, 0);
         if(visible) {
             ((Display)getScreen().getDisplay()).setFocus(this);
         }
+        this.visibleChanged(visible);
     }
 
-    protected void setSizeImpl(int width, int height) {
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, boolean parentChange, int fullScreenChange, int decorationChange) {
         Screen  screen = (Screen) getScreen();
-        if((x+width)>screen.getWidth()) {
-            width=screen.getWidth()-x;
-        }
-        if((y+height)>screen.getHeight()) {
-            height=screen.getHeight()-y;
-        }
-        if(0!=surfaceHandle) {
-            SetBounds0(surfaceHandle, screen.getWidth(), screen.getHeight(), x, y, width, height);
-        }
-    }
 
-    protected void setPositionImpl(int x, int y) {
-        Screen  screen = (Screen) getScreen();
-        if((x+width)>screen.getWidth()) {
-            x=screen.getWidth()-width;
+        int _x=(x>=0)?x:this.x;
+        int _y=(x>=0)?y:this.y;
+        int _w=(width>0)?width:this.width;
+        int _h=(height>0)?height:this.height;
+
+        if(_w>screen.getWidth()) {
+            _w=screen.getWidth();
         }
-        if((y+height)>screen.getHeight()) {
-            y=screen.getHeight()-height;
+        if(_h>screen.getHeight()) {
+            _h=screen.getHeight();
         }
-        if(0!=surfaceHandle) {
-            SetBounds0(surfaceHandle, screen.getWidth(), screen.getHeight(), x, y, width, height);
+        if((_x+_w)>screen.getWidth()) {
+            _x=screen.getWidth()-_w;
+        }
+        if((_y+_h)>screen.getHeight()) {
+            _y=screen.getHeight()-_h;
         }
-    }
 
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
         if(0!=surfaceHandle) {
-            SetBounds0(surfaceHandle, getScreen().getWidth(), getScreen().getHeight(), x, y, width, height);
+            SetBounds0(surfaceHandle, getScreen().getWidth(), getScreen().getHeight(), _x, _y, _w, _h);
         }
+
+        return true;
     }
 
     protected void requestFocusImpl(boolean reparented) {
@@ -123,6 +122,10 @@ public class Window extends com.jogamp.newt.impl.WindowImpl {
         return surfaceHandle;
     }
 
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return new Point(x,y);
+    }
+
     //----------------------------------------------------------------------
     // Internals only
     //
@@ -140,5 +143,4 @@ public class Window extends com.jogamp.newt.impl.WindowImpl {
     }
 
     private long   surfaceHandle;
-    private int nfs_width, nfs_height, nfs_x, nfs_y;
 }
diff --git a/src/newt/classes/com/jogamp/newt/impl/macosx/MacWindow.java b/src/newt/classes/com/jogamp/newt/impl/macosx/MacWindow.java
index 15cadb05f..59b41c2aa 100644
--- a/src/newt/classes/com/jogamp/newt/impl/macosx/MacWindow.java
+++ b/src/newt/classes/com/jogamp/newt/impl/macosx/MacWindow.java
@@ -40,6 +40,7 @@ import com.jogamp.common.util.locks.RecursiveLock;
 import com.jogamp.newt.event.*;
 import com.jogamp.newt.impl.*;
 import javax.media.nativewindow.util.Insets;
+import javax.media.nativewindow.util.Point;
 
 public class MacWindow extends WindowImpl {
     
@@ -194,11 +195,11 @@ public class MacWindow extends WindowImpl {
         nsViewLock.unlock();
     }
 
-    protected void setVisibleImpl(final boolean visible) {
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
         nsViewLock.lock();
         try {
             if (visible) {
-                createWindow(false, getX(), getY(), getWidth(), getHeight(), isFullscreen());
+                createWindow(false, x, y, width, height, isFullscreen());
                 if (getWindowHandle() != 0) {
                     makeKeyAndOrderFront0(getWindowHandle());
                 }
@@ -207,6 +208,7 @@ public class MacWindow extends WindowImpl {
                     orderOut0(getWindowHandle());
                 }
             }
+            visibleChanged(visible);
         } finally {
             nsViewLock.unlock();
         }
@@ -232,39 +234,38 @@ public class MacWindow extends WindowImpl {
         }
     }
     
-    protected void setSizeImpl(int width, int height) {
-        // this width/height will be set by sizeChanged, called by OSX
-        nsViewLock.lock();
-        try {
-            setContentSize0(getWindowHandle(), width, height);
-        } finally {
-            nsViewLock.unlock();
-        }
-    }
-    
-    protected void setPositionImpl(int x, int y) {
-        // this x/y will be set by positionChanged, called by OSX
-        nsViewLock.lock();
-        try {
-            setFrameTopLeftPoint0(getParentWindowHandle(), getWindowHandle(), x, y);
-        } finally {
-            nsViewLock.unlock();
-        }
-    }
-    
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, boolean parentChange, int fullScreenChange, int decorationChange) {
         nsViewLock.lock();
         try {
             if(DEBUG_IMPLEMENTATION || DEBUG_WINDOW_EVENT) {
-                System.err.println("MacWindow reconfig: "+fullscreen+" "+x+"/"+y+" "+width+"x"+height);
+                System.err.println("MacWindow reconfig: parentChange "+parentChange+", fullScreenChange "+fullScreenChange+", decorationChange "+decorationChange+" "+x+"/"+y+" "+width+"x"+height);
             }
-            createWindow(true, x, y, width, height, fullscreen);
-            if (getWindowHandle() != 0) {
-                makeKeyAndOrderFront0(getWindowHandle());
+            int _x=(x>=0)?x:this.x;
+            int _y=(x>=0)?y:this.y;
+            int _w=(width>0)?width:this.width;
+            int _h=(height>0)?height:this.height;
+
+            if(decorationChange!=0 || parentChange || fullScreenChange!=0) {
+                createWindow(true, _x, _y, _w, _h, fullScreenChange>0);
+                if (getWindowHandle() != 0) {
+                    makeKeyAndOrderFront0(getWindowHandle());
+                }
+            } else {
+                if(x>=0 || y>=0) {
+                    setFrameTopLeftPoint0(getParentWindowHandle(), getWindowHandle(), _x, _y);
+                }
+                if(width>0 || height>0) {
+                    setContentSize0(getWindowHandle(), _w, _h);
+                }
             }
         } finally {
             nsViewLock.unlock();
         }
+        return true;
+    }
+
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return null;
     }
     
     private void insetsChanged(int left, int top, int right, int bottom) {
diff --git a/src/newt/classes/com/jogamp/newt/impl/opengl/broadcom/egl/Window.java b/src/newt/classes/com/jogamp/newt/impl/opengl/broadcom/egl/Window.java
index 9f5e7b7c1..ad903731b 100644
--- a/src/newt/classes/com/jogamp/newt/impl/opengl/broadcom/egl/Window.java
+++ b/src/newt/classes/com/jogamp/newt/impl/opengl/broadcom/egl/Window.java
@@ -37,6 +37,7 @@ import com.jogamp.opengl.impl.egl.*;
 import javax.media.nativewindow.*;
 import javax.media.opengl.GLCapabilities;
 import javax.media.nativewindow.NativeWindowException;
+import javax.media.nativewindow.util.Point;
 
 public class Window extends com.jogamp.newt.impl.WindowImpl {
     static {
@@ -70,7 +71,10 @@ public class Window extends com.jogamp.newt.impl.WindowImpl {
         }
     }
 
-    protected void setVisibleImpl(boolean visible) { }
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
+        reconfigureWindowImpl(x, y, width, height, false, 0, 0);
+        visibleChanged(visible);
+    }
 
     protected void requestFocusImpl(boolean reparented) { }
 
@@ -84,16 +88,37 @@ public class Window extends com.jogamp.newt.impl.WindowImpl {
         }
     }
 
-    protected void setPositionImpl(int x, int y) {
-        // n/a in BroadcomEGL
-        System.err.println("BCEGL Window.setPositionImpl n/a in BroadcomEGL");
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, 
+                                            boolean parentChange, int fullScreenChange, int decorationChange) {
+        if(0!=getWindowHandle()) {
+            if(0!=fullScreenChange) {
+                if( fullScreenChange > 0 ) {
+                    // n/a in BroadcomEGL
+                    System.err.println("setFullscreen n/a in BroadcomEGL");
+                    return false;
+                }
+            }
+        }
+        if(width>0 || height>0) {
+            if(0!=getWindowHandle()) {
+                // n/a in BroadcomEGL
+                System.err.println("BCEGL Window.setSizeImpl n/a in BroadcomEGL with realized window");
+            } else {
+                this.width=(width>0)?width:this.width;
+                this.height=(height>0)?height:this.height;
+            }
+        }
+        if(x>=0 || y>=0) {
+            System.err.println("BCEGL Window.setPositionImpl n/a in BroadcomEGL");
+        }
+        return true;
     }
 
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
-        // n/a in BroadcomEGL
-        System.err.println("setFullscreen n/a in BroadcomEGL");
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return new Point(x,y);
     }
 
+
     public boolean surfaceSwap() {
         SwapWindow(getDisplayHandle(), getWindowHandle());
         return true;
diff --git a/src/newt/classes/com/jogamp/newt/impl/opengl/kd/KDWindow.java b/src/newt/classes/com/jogamp/newt/impl/opengl/kd/KDWindow.java
index 6930741b8..f0bc8587b 100644
--- a/src/newt/classes/com/jogamp/newt/impl/opengl/kd/KDWindow.java
+++ b/src/newt/classes/com/jogamp/newt/impl/opengl/kd/KDWindow.java
@@ -41,11 +41,10 @@ import javax.media.nativewindow.*;
 import javax.media.opengl.GLCapabilities;
 import javax.media.opengl.GLProfile;
 import javax.media.nativewindow.NativeWindowException;
+import javax.media.nativewindow.util.Point;
 
 public class KDWindow extends WindowImpl {
     private static final String WINDOW_CLASS_NAME = "NewtWindow";
-    // non fullscreen dimensions ..
-    private int nfs_width, nfs_height, nfs_x, nfs_y;
 
     static {
         KDDisplay.initSingleton();
@@ -85,30 +84,40 @@ public class KDWindow extends WindowImpl {
         }
     }
 
-    protected void setVisibleImpl(boolean visible) {
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
         setVisible0(eglWindowHandle, visible);
+        reconfigureWindowImpl(x, y, width, height, false, 0, 0);
+        visibleChanged(visible);
     }
 
     protected void requestFocusImpl(boolean reparented) { }
 
-    protected void setSizeImpl(int width, int height) {
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, 
+                                            boolean parentChange, int fullScreenChange, int decorationChange) {
         if(0!=eglWindowHandle) {
-            setSize0(eglWindowHandle, width, height);
+            if(0!=fullScreenChange) {
+                boolean fs = fullScreenChange > 0;
+                setFullScreen0(eglWindowHandle, fs);
+                if(fs) {
+                    return true;
+                }
+            }
+            // int _x=(x>=0)?x:this.x;
+            // int _y=(x>=0)?y:this.y;
+            int _w=(width>0)?width:this.width;
+            int _h=(height>0)?height:this.height;
+            if(width>0 || height>0) {
+                setSize0(eglWindowHandle, _w, _h);
+            }
+            if(x>=0 || y>=0) {
+                System.err.println("setPosition n/a in KD");
+            }
         }
+        return true;
     }
 
-    protected void setPositionImpl(int x, int y) {
-        // n/a in KD
-        System.err.println("setPosition n/a in KD");
-    }
-
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
-        if(0!=eglWindowHandle) {
-            setFullScreen0(eglWindowHandle, fullscreen);
-            if(!fullscreen) {
-                setSize0(eglWindowHandle, width, height);
-            }
-        }
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return new Point(x,y);
     }
 
     //----------------------------------------------------------------------
@@ -127,11 +136,11 @@ public class KDWindow extends WindowImpl {
         windowUserData=userData;
     }
 
-    protected void sizeChanged(int newWidth, int newHeight) {
+    protected void sizeChanged(int newWidth, int newHeight, boolean force) {
         if(fullscreen) {
             ((KDScreen)getScreen()).setScreenSize(width, height);
         }
-        super.sizeChanged(newWidth, newHeight);
+        super.sizeChanged(newWidth, newHeight, force);
     }
 
     private long   eglWindowHandle;
diff --git a/src/newt/classes/com/jogamp/newt/impl/windows/WindowsWindow.java b/src/newt/classes/com/jogamp/newt/impl/windows/WindowsWindow.java
index d5d969023..daa09b034 100644
--- a/src/newt/classes/com/jogamp/newt/impl/windows/WindowsWindow.java
+++ b/src/newt/classes/com/jogamp/newt/impl/windows/WindowsWindow.java
@@ -37,6 +37,7 @@ package com.jogamp.newt.impl.windows;
 import javax.media.nativewindow.*;
 import com.jogamp.newt.impl.WindowImpl;
 import javax.media.nativewindow.util.Insets;
+import javax.media.nativewindow.util.Point;
 
 public class WindowsWindow extends WindowImpl {
 
@@ -142,31 +143,20 @@ public class WindowsWindow extends WindowImpl {
         super.windowDestroyed();
     }
 
-    protected void setVisibleImpl(boolean visible) {
-        setVisible0(getWindowHandle(), visible);
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
+        setVisible0(getWindowHandle(), visible, (getParentWindowHandle()==0)?true:false, x, y, width, height);
+        visibleChanged(visible);
     }
 
-    protected void setSizeImpl(int width, int height) {
-        // this width/height will be set by sizeChanged, called by Windows
-        setSize0(getParentWindowHandle(), getWindowHandle(), x, y, width, height);
-    }
-
-    protected void setPositionImpl(int x, int y) {
-        // this x/y will be set by positionChanged, called by Windows
-        setPosition0(getParentWindowHandle(), getWindowHandle(), x , y /*, width, height*/);
-    }
-
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
-        reconfigureWindow0(fullscreen?0:getParentWindowHandle(), getWindowHandle(), x, y, width, height, isUndecorated(), isFullscreen());
-    }
-
-    protected boolean reparentWindowImpl() {
-        reparentWindow0(fullscreen?0:getParentWindowHandle(), getWindowHandle(), x, y, width, height, isUndecorated());
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, 
+                                            boolean parentChange, int fullScreenChange, int decorationChange) {
+        reconfigureWindow0( (fullScreenChange>0)?0:getParentWindowHandle(), 
+                             getWindowHandle(), x, y, width, height, isVisible(), parentChange, fullScreenChange, decorationChange);
         return true;
     }
 
-    protected void requestFocusImpl(boolean reparented) {
-        requestFocus0(getWindowHandle(), reparented);
+    protected void requestFocusImpl(boolean force) {
+        requestFocus0(getWindowHandle(), force);
     }
 
     protected void setTitleImpl(final String title) {
@@ -177,34 +167,42 @@ public class WindowsWindow extends WindowImpl {
         return (Insets)insets.clone();
     }
 
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return (Point) getRelativeLocation0( getWindowHandle(), 0 /*root win*/, x, y);
+    }
+
     //----------------------------------------------------------------------
     // Internals only
     //
     protected static native boolean initIDs0();
-    private        native long CreateWindow0(long parentWindowHandle, 
+    private native long CreateWindow0(long parentWindowHandle, 
                                             int wndClassAtom, String wndName, 
                                             long hInstance, long visualID,
                                             boolean isUndecorated,
                                             int x, int y, int width, int height);
-    private        native void DestroyWindow0(long windowHandle);
-    private        native long GetDC0(long windowHandle);
-    private        native void ReleaseDC0(long windowHandle, long hdc);
-    private        native long MonitorFromWindow0(long windowHandle);
-    private static native void setVisible0(long windowHandle, boolean visible);
-    private        native void setSize0(long parentWindowHandle, long windowHandle, int x, int y, int width, int height);
-    private static native void setPosition0(long parentWindowHandle, long windowHandle, int x, int y /*, int width, int height*/);
-    private        native void reconfigureWindow0(long parentWindowHandle, long windowHandle, 
-                                                  int x, int y, int width, int height, boolean isUndecorated, boolean fullscreen);
-    private        native void reparentWindow0(long parentWindowHandle, long windowHandle, int x, int y, int width, int height, boolean isUndecorated);
+    private native void DestroyWindow0(long windowHandle);
+    private native long GetDC0(long windowHandle);
+    private native void ReleaseDC0(long windowHandle, long hdc);
+    private native long MonitorFromWindow0(long windowHandle);
+    private native void setVisible0(long windowHandle, boolean visible, boolean top, int x, int y, int width, int height);
+    private native void reconfigureWindow0(long parentWindowHandle, long windowHandle, 
+                                                  int x, int y, int width, int height, boolean isVisible,
+                                                  boolean parentChange, int fullScreenChange, int decorationChange);
     private static native void setTitle0(long windowHandle, String title);
-    private        native void requestFocus0(long windowHandle, boolean reparented);
+    private native void requestFocus0(long windowHandle, boolean force);
+    private native Object getRelativeLocation0(long src_win, long dest_win, int src_x, int src_y);
 
     private void insetsChanged(int left, int top, int right, int bottom) {
         if (left != -1 && top != -1 && right != -1 && bottom != -1) {
-            insets.left = left;
-            insets.top = top;
-            insets.right = right;
-            insets.bottom = bottom;
+            if (left != insets.left || top != insets.top || right != insets.right || bottom != insets.bottom) {
+                insets.left = left;
+                insets.top = top;
+                insets.right = right;
+                insets.bottom = bottom;
+                if(DEBUG_IMPLEMENTATION) {
+                    System.err.println("Window.insetsChanged: "+insets);
+                }
+            }
         }
     }
 }
diff --git a/src/newt/classes/com/jogamp/newt/impl/x11/X11Window.java b/src/newt/classes/com/jogamp/newt/impl/x11/X11Window.java
index 48352ee97..06c7dfa99 100644
--- a/src/newt/classes/com/jogamp/newt/impl/x11/X11Window.java
+++ b/src/newt/classes/com/jogamp/newt/impl/x11/X11Window.java
@@ -36,6 +36,7 @@ package com.jogamp.newt.impl.x11;
 import com.jogamp.newt.impl.WindowImpl;
 import javax.media.nativewindow.*;
 import javax.media.nativewindow.x11.*;
+import javax.media.nativewindow.util.Point;
 
 public class X11Window extends WindowImpl {
     private static final String WINDOW_CLASS_NAME = "NewtWindow";
@@ -60,10 +61,11 @@ public class X11Window extends WindowImpl {
                                display.getHandle(), screen.getIndex(), visualID, 
                                display.getJavaObjectAtom(), display.getWindowDeleteAtom(), 
                                x, y, width, height, isUndecorated());
-        if (w == 0 || w!=getWindowHandle()) {
+        if (w == 0) {
             throw new NativeWindowException("Error creating window: "+w);
         }
-        windowHandleClose = getWindowHandle();
+        setWindowHandle(w);
+        windowHandleClose = w;
     }
 
     protected void closeNativeImpl() {
@@ -88,63 +90,59 @@ public class X11Window extends WindowImpl {
         super.windowDestroyed();
     }
 
-    protected void setVisibleImpl(boolean visible) {
-        setVisible0(getDisplayHandle(), getWindowHandle(), visible);
+    protected void setVisibleImpl(boolean visible, int x, int y, int width, int height) {
+        setVisible0(getDisplayHandle(), getWindowHandle(), visible, x, y, width, height);
     }
 
-    protected void setSizeImpl(int width, int height) {
-        // this width/height will be set by windowChanged, called by X11
-        setSize0(getDisplayHandle(), getWindowHandle(), width, height);
-    }
-
-    protected void setPositionImpl(int x, int y) {
-        setPosition0(getParentWindowHandle(), getDisplayHandle(), getWindowHandle(), x, y);
-    }
-
-    protected void reconfigureWindowImpl(int x, int y, int width, int height) {
-        reconfigureWindow0(fullscreen?0:getParentWindowHandle(), getDisplayHandle(), getScreenIndex(), getWindowHandle(),
-                            x, y, width, height, isUndecorated(), isVisible(),isFullscreen());
-
-    }
+    protected boolean reconfigureWindowImpl(int x, int y, int width, int height, 
+                                            boolean parentChange, int fullScreenChange, int decorationChange) {
+        reparentHandle=0;
+        reparentCount=0;
+        long reqNewParentHandle = ( fullScreenChange > 0 ) ? 0 : getParentWindowHandle() ;
 
-    protected boolean reparentWindowImpl() {
-        if(0!=getWindowHandle()) {
-            reparentWindow0(fullscreen?0:getParentWindowHandle(), getDisplayHandle(), getScreenIndex(), getWindowHandle(),
-                            x, y, isUndecorated(), isVisible());
-        }
+        reconfigureWindow0( getDisplayHandle(), getScreenIndex(), reqNewParentHandle, getWindowHandle(),
+                            x, y, width, height, isVisible(), parentChange, fullScreenChange, decorationChange);
         return true;
     }
 
-    protected void requestFocusImpl(boolean reparented) {
-        requestFocus0(getDisplayHandle(), getWindowHandle(), reparented);
+    protected void requestFocusImpl(boolean force) {
+        requestFocus0(getDisplayHandle(), getWindowHandle(), force);
     }
 
     protected void setTitleImpl(String title) {
         setTitle0(getDisplayHandle(), getWindowHandle(), title);
     }
 
+    protected Point getLocationOnScreenImpl(int x, int y) {
+        return (Point) getRelativeLocation0( getDisplayHandle(), getScreenIndex(), getWindowHandle(), 0 /*root win*/, x, y);
+    }
+
     //----------------------------------------------------------------------
     // Internals only
     //
 
     protected static native boolean initIDs0();
-    private        native long CreateWindow0(long parentWindowHandle, long display, int screen_index, 
+    private native long CreateWindow0(long parentWindowHandle, long display, int screen_index, 
                                             long visualID, long javaObjectAtom, long windowDeleteAtom, 
                                             int x, int y, int width, int height, boolean undecorated);
-    private        native void CloseWindow0(long display, long windowHandle, long javaObjectAtom, long windowDeleteAtom);
-    private        native void setVisible0(long display, long windowHandle, boolean visible);
-    private        native void setSize0(long display, long windowHandle, int width, int height);
-    private        native void reconfigureWindow0(long parentWindowHandle, long display, int screen_index, long windowHandle, 
-                                                  int x, int y, int width, int height, boolean undecorated, boolean isVisible, boolean fullscreen);
-    private        native void setTitle0(long display, long windowHandle, String title);
-    private        native void requestFocus0(long display, long windowHandle, boolean reparented);
-    private        native void setPosition0(long parentWindowHandle, long display, long windowHandle, int x, int y);
-    private        native void reparentWindow0(long parentWindowHandle, long display, int screen_index, long windowHandle, 
-                                               int x, int y, boolean undecorated, boolean isVisible);
-    
-    private void windowCreated(long windowHandle) {
-        setWindowHandle(windowHandle);
+    private native void CloseWindow0(long display, long windowHandle, long javaObjectAtom, long windowDeleteAtom);
+    private native void setVisible0(long display, long windowHandle, boolean visible, int x, int y, int width, int height);
+    private native void reconfigureWindow0(long display, int screen_index, long parentWindowHandle, long windowHandle, 
+                                                  int x, int y, int width, int height, boolean isVisible,
+                                                  boolean parentChange, int fullScreenChange, int decorationChange);
+    private native void setTitle0(long display, long windowHandle, String title);
+    private native void requestFocus0(long display, long windowHandle, boolean force);
+    private native Object getRelativeLocation0(long display, int screen_index, long src_win, long dest_win, int src_x, int src_y);
+
+    private void windowReparented(long gotParentHandle) {
+        reparentHandle = gotParentHandle;
+        reparentCount++;
+        if(DEBUG_IMPLEMENTATION) { 
+            System.err.println("******** new parent ("+reparentCount+"): " + toHexString(reparentHandle) );
+        }
     }
 
     private long   windowHandleClose;
+    private volatile long reparentHandle;
+    private volatile int reparentCount;
 }
diff --git a/src/newt/native/KDWindow.c b/src/newt/native/KDWindow.c
index 75a2fe1a1..b574731c2 100644
--- a/src/newt/native/KDWindow.c
+++ b/src/newt/native/KDWindow.c
@@ -93,6 +93,7 @@ typedef struct {
 
 static jmethodID windowCreatedID = NULL;
 static jmethodID sizeChangedID = NULL;
+static jmethodID visibleChangedID = NULL;
 static jmethodID windowDestroyNotifyID = NULL;
 static jmethodID windowDestroyedID = NULL;
 static jmethodID sendMouseEventID = NULL;
@@ -150,7 +151,7 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_opengl_kd_KDDisplay_DispatchMes
                                 KDint32 v[2];
                                 if(!kdGetWindowPropertyiv(kdWindow, KD_WINDOWPROPERTY_SIZE, v)) {
                                     DBG_PRINT( "event window size change : src: %p %dx%d\n", userData, v[0], v[1]);
-                                    (*env)->CallVoidMethod(env, javaWindow, sizeChangedID, (jint) v[0], (jint) v[1]);
+                                    (*env)->CallVoidMethod(env, javaWindow, sizeChangedID, (jint) v[0], (jint) v[1], JNI_FALSE);
                                 } else {
                                     DBG_PRINT( "event window size change error: src: %p %dx%d\n", userData, v[0], v[1]);
                                 }
@@ -164,6 +165,7 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_opengl_kd_KDDisplay_DispatchMes
                                 KDboolean visible;
                                 kdGetWindowPropertybv(kdWindow, KD_WINDOWPROPERTY_VISIBILITY, &visible);
                                 DBG_PRINT( "event window visibility: src: %p, v:%d\n", userData, visible);
+                                (*env)->CallVoidMethod(env, javaWindow, visibleChangedID, visible?JNI_TRUE:JNI_FALSE);
                             }
                             break;
                         default:
@@ -209,13 +211,15 @@ JNIEXPORT jboolean JNICALL Java_com_jogamp_newt_impl_opengl_kd_KDWindow_initIDs
     #endif
 #endif
     windowCreatedID = (*env)->GetMethodID(env, clazz, "windowCreated", "(J)V");
-    sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(II)V");
+    sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(IIZ)V");
+    visibleChangedID = (*env)->GetMethodID(env, clazz, "visibleChanged", "(Z)V");
     windowDestroyNotifyID = (*env)->GetMethodID(env, clazz, "windowDestroyNotify",    "()V");
     windowDestroyedID = (*env)->GetMethodID(env, clazz, "windowDestroyed", "()V");
     sendMouseEventID = (*env)->GetMethodID(env, clazz, "sendMouseEvent", "(IIIIII)V");
     sendKeyEventID = (*env)->GetMethodID(env, clazz, "sendKeyEvent", "(IIIC)V");
     if (windowCreatedID == NULL ||
         sizeChangedID == NULL ||
+        visibleChangedID == NULL ||
         windowDestroyNotifyID == NULL ||
         windowDestroyedID == NULL ||
         sendMouseEventID == NULL ||
@@ -309,6 +313,7 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_opengl_kd_KDWindow_setVisible0
     KDboolean v = (visible==JNI_TRUE)?KD_TRUE:KD_FALSE;
     kdSetWindowPropertybv(w, KD_WINDOWPROPERTY_VISIBILITY, &v);
     DBG_PRINT( "[setVisible] v=%d\n", visible);
+    (*env)->CallVoidMethod(env, obj, visibleChangedID, visible); // FIXME: or send via event ?
 }
 
 JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_opengl_kd_KDWindow_setFullScreen0
@@ -332,6 +337,6 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_opengl_kd_KDWindow_setSize0
     DBG_PRINT( "[setSize] v=%dx%d, res=%d\n", width, height, res);
     (void)res;
 
-    (*env)->CallVoidMethod(env, obj, sizeChangedID, (jint) width, (jint) height);
+    (*env)->CallVoidMethod(env, obj, sizeChangedID, (jint) width, (jint) height, JNI_FALSE);
 }
 
diff --git a/src/newt/native/NewtMacWindow.m b/src/newt/native/NewtMacWindow.m
index da31a686e..9f9442e9d 100644
--- a/src/newt/native/NewtMacWindow.m
+++ b/src/newt/native/NewtMacWindow.m
@@ -100,12 +100,23 @@ jint GetDeltaY(NSEvent *event, jint javaMods) {
     }
 }
 
-/** FIXME: Tried child window: message reception ..
 - (void)viewWillDraw
 {
     fprintf(stderr, "*************** viewWillDraw: 0x%p", javaWindowObject); fflush(stderr);
     [super viewWillDraw];
-} */
+}
+
+- (void)viewDidHide
+{
+    (*env)->CallVoidMethod(env, javaWindowObject, visibleChangedID, JNI_FALSE);
+    [super viewDidHide];
+}
+
+- (void)viewDidUnhide
+{
+    (*env)->CallVoidMethod(env, javaWindowObject, visibleChangedID, JNI_TRUE);
+    [super viewDidUnhide];
+}
 
 @end
 
@@ -113,6 +124,7 @@ static jmethodID sendMouseEventID  = NULL;
 static jmethodID sendKeyEventID    = NULL;
 static jmethodID insetsChangedID   = NULL;
 static jmethodID sizeChangedID     = NULL;
+static jmethodID visibleChangedID = NULL;
 static jmethodID positionChangedID = NULL;
 static jmethodID focusChangedID    = NULL;
 static jmethodID windowDestroyNotifyID = NULL;
@@ -124,13 +136,14 @@ static jmethodID windowDestroyedID = NULL;
 {
     sendMouseEventID = (*env)->GetMethodID(env, clazz, "sendMouseEvent", "(IIIIII)V");
     sendKeyEventID = (*env)->GetMethodID(env, clazz, "sendKeyEvent", "(IIIC)V");
-    sizeChangedID     = (*env)->GetMethodID(env, clazz, "sizeChanged",     "(II)V");
+    sizeChangedID     = (*env)->GetMethodID(env, clazz, "sizeChanged",     "(IIZ)V");
+    visibleChangedID = (*env)->GetMethodID(env, clazz, "visibleChanged", "(Z)V");
     insetsChangedID     = (*env)->GetMethodID(env, clazz, "insetsChanged", "(IIII)V");
     positionChangedID = (*env)->GetMethodID(env, clazz, "positionChanged", "(II)V");
     focusChangedID = (*env)->GetMethodID(env, clazz, "focusChanged", "(Z)V");
     windowDestroyNotifyID    = (*env)->GetMethodID(env, clazz, "windowDestroyNotify",    "()V");
     windowDestroyedID    = (*env)->GetMethodID(env, clazz, "windowDestroyed",    "()V");
-    if (sendMouseEventID && sendKeyEventID && sizeChangedID && insetsChangedID &&
+    if (sendMouseEventID && sendKeyEventID && sizeChangedID && visibleChangedID && insetsChangedID &&
         positionChangedID && focusChangedID && windowDestroyedID && windowDestroyNotifyID)
     {
         return YES;
@@ -398,7 +411,7 @@ static jint mods2JavaMods(NSUInteger mods)
 
     (*env)->CallVoidMethod(env, javaWindowObject, sizeChangedID,
                            (jint) contentRect.size.width,
-                           (jint) contentRect.size.height);
+                           (jint) contentRect.size.height, JNI_FALSE);
 }
 
 - (void)windowDidMove: (NSNotification*) notification
diff --git a/src/newt/native/WindowsWindow.c b/src/newt/native/WindowsWindow.c
index 612fd2cc9..9aac8720c 100644
--- a/src/newt/native/WindowsWindow.c
+++ b/src/newt/native/WindowsWindow.c
@@ -111,6 +111,26 @@
 
 #define STD_PRINT(...) fprintf(stderr, __VA_ARGS__); fflush(stderr) 
 
+static void _FatalError(JNIEnv *env, const char* msg, ...)
+{
+    char buffer[512];
+    va_list ap;
+
+    va_start(ap, msg);
+    vsnprintf(buffer, sizeof(buffer), msg, ap);
+    va_end(ap);
+
+    fprintf(stderr, "%s\n", buffer);
+    (*env)->FatalError(env, buffer);
+}
+
+static const char * const ClazzNamePoint = "javax/media/nativewindow/util/Point";
+static const char * const ClazzAnyCstrName = "<init>";
+static const char * const ClazzNamePointCstrSignature = "(II)V";
+
+static jclass pointClz = NULL;
+static jmethodID pointCstr = NULL;
+
 static jmethodID insetsChangedID = NULL;
 static jmethodID sizeChangedID = NULL;
 static jmethodID positionChangedID = NULL;
@@ -126,7 +146,7 @@ static jmethodID sendKeyEventID = NULL;
 static jmethodID focusActionID = NULL;
 static jmethodID enqueueRequestFocusID = NULL;
 
-static RECT* UpdateInsets(JNIEnv *env, HWND hwnd, jobject window);
+static RECT* UpdateInsets(JNIEnv *env, jobject window, HWND hwnd);
 
 typedef struct {
     JNIEnv* jenv;
@@ -602,18 +622,15 @@ static int WmKeyUp(JNIEnv *env, jobject window, UINT wkey, UINT repCnt,
     return 0;
 }
 
-static void NewtWindows_requestFocus (JNIEnv *env, jobject window, HWND hwnd, BOOL reparented) {
+static void NewtWindows_requestFocus (JNIEnv *env, jobject window, HWND hwnd, jboolean force) {
     HWND pHwnd, current;
     pHwnd = GetParent(hwnd);
     current = GetFocus();
-    DBG_PRINT("*** WindowsWindow: requestFocus.S parent %p, window %p, isCurrent %d, reparented %d\n", 
-        (void*) pHwnd, (void*)hwnd, current==hwnd, (int) reparented);
-    if(reparented || current!=hwnd) {
-        if( reparented || JNI_FALSE == (*env)->CallBooleanMethod(env, window, focusActionID) ) {
+    DBG_PRINT("*** WindowsWindow: requestFocus.S parent %p, window %p, isCurrent %d\n", 
+        (void*) pHwnd, (void*)hwnd, current==hwnd);
+    if( JNI_TRUE==force || current!=hwnd) {
+        if( JNI_TRUE==force || JNI_FALSE == (*env)->CallBooleanMethod(env, window, focusActionID) ) {
             UINT flags = SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
-            if(reparented) {
-                flags |= SWP_FRAMECHANGED;
-            }
             SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, flags);
             SetForegroundWindow(hwnd);  // Slightly Higher Priority
             SetFocus(hwnd);// Sets Keyboard Focus To Window
@@ -628,7 +645,64 @@ static void NewtWindows_requestFocus (JNIEnv *env, jobject window, HWND hwnd, BO
     DBG_PRINT("*** WindowsWindow: requestFocus.XX\n");
 }
 
-static RECT * UpdateInsets(JNIEnv *env, HWND hwnd, jobject window)
+#if 0
+
+static RECT* UpdateInsets(JNIEnv *env, jobject window, HWND hwnd)
+{
+    // being naughty here
+    static RECT m_insets = { 0, 0, 0, 0 };
+    RECT outside;
+    RECT inside;
+    POINT *rp_inside = (POINT *) (void *) &inside;
+    int dx, dy, dw, dh;
+
+    if (IsIconic(hwnd)) {
+        m_insets.left = m_insets.top = m_insets.right = m_insets.bottom = -1;
+        return FALSE;
+    }
+
+    m_insets.left = m_insets.top = m_insets.right = m_insets.bottom = 0;
+
+    GetClientRect(hwnd, &inside);
+    GetWindowRect(hwnd, &outside);
+
+    DBG_PRINT("*** WindowsWindow: UpdateInsets (a1) window %p, Inside CC: %d/%d - %d/%d %dx%d\n", 
+        (void*)hwnd,
+        (int)inside.left, (int)inside.top, (int)inside.right, (int)inside.bottom, 
+        (int)(inside.right - inside.left), (int)(inside.bottom - inside.top));
+    DBG_PRINT("*** WindowsWindow: UpdateInsets (a1) window %p, Outside SC: %d/%d - %d/%d %dx%d\n", 
+        (void*)hwnd,
+        (int)outside.left, (int)outside.top, (int)outside.right, (int)outside.bottom, 
+        (int)(outside.right - outside.left), (int)(outside.bottom - outside.top));
+
+    // xform client -> screen coord
+    ClientToScreen(hwnd, rp_inside);
+    ClientToScreen(hwnd, rp_inside+1);
+
+    DBG_PRINT("*** WindowsWindow: UpdateInsets (a2) window %p, Inside SC: %d/%d - %d/%d %dx%d\n", 
+        (void*)hwnd,
+        (int)inside.left, (int)inside.top, (int)inside.right, (int)inside.bottom, 
+        (int)(inside.right - inside.left), (int)(inside.bottom - inside.top));
+
+    m_insets.top = inside.top - outside.top;
+    m_insets.bottom = outside.bottom - inside.bottom;
+    m_insets.left = inside.left - outside.left;
+    m_insets.right = outside.right - inside.right;
+
+    DBG_PRINT("*** WindowsWindow: UpdateInsets (1.0) window %p, %d/%d - %d/%d %dx%d\n", 
+        (void*)hwnd, 
+        (int)m_insets.left, (int)m_insets.top, (int)m_insets.right, (int)m_insets.bottom,
+        (int)(m_insets.right-m_insets.left), (int)(m_insets.top-m_insets.bottom));
+
+    (*env)->CallVoidMethod(env, window, insetsChangedID,
+                           m_insets.left, m_insets.top,
+                           m_insets.right, m_insets.bottom);
+    return &m_insets;
+}
+
+#else
+
+static RECT* UpdateInsets(JNIEnv *env, jobject window, HWND hwnd)
 {
     // being naughty here
     static RECT m_insets = { 0, 0, 0, 0 };
@@ -692,13 +766,16 @@ static RECT * UpdateInsets(JNIEnv *env, HWND hwnd, jobject window)
     return &m_insets;
 }
 
-static void WmSize(JNIEnv *env, HWND wnd, jobject window, UINT type)
+#endif
+
+static void WmSize(JNIEnv *env, jobject window, HWND wnd, UINT type)
 {
     RECT rc;
     int w, h;
+    BOOL isVisible = IsWindowVisible(wnd);
 
     // make sure insets are up to date
-    (void)UpdateInsets(env, wnd, window);
+    (void)UpdateInsets(env, window, wnd);
 
     if (type == SIZE_MINIMIZED) {
         // TODO: deal with minimized window sizing
@@ -711,9 +788,11 @@ static void WmSize(JNIEnv *env, HWND wnd, jobject window, UINT type)
     w = rc.right  - rc.left;
     h = rc.bottom - rc.top;
 
-    DBG_PRINT("*** WindowsWindow: WmSize window %p, %dx%d\n", (void*)wnd, w, h);
+    DBG_PRINT("*** WindowsWindow: WmSize window %p, %dx%d, visible %d\n", (void*)wnd, w, h, isVisible);
 
-    (*env)->CallVoidMethod(env, window, sizeChangedID, w, h);
+    if(isVisible) {
+        (*env)->CallVoidMethod(env, window, sizeChangedID, w, h, JNI_FALSE);
+    }
 }
 
 static LRESULT CALLBACK wndProc(HWND wnd, UINT message,
@@ -797,14 +876,14 @@ static LRESULT CALLBACK wndProc(HWND wnd, UINT message,
         break;
 
     case WM_SIZE:
-        WmSize(env, wnd, window, (UINT)wParam);
+        WmSize(env, window, wnd, (UINT)wParam);
         break;
 
     case WM_SETTINGCHANGE:
         if (wParam == SPI_SETNONCLIENTMETRICS) {
             // make sure insets are updated, we don't need to resize the window 
             // because the size of the client area doesn't change
-            (void)UpdateInsets(env, wnd, window);
+            (void)UpdateInsets(env, window, wnd);
         } else {
             useDefWindowProc = 1;
         }
@@ -937,7 +1016,7 @@ static LRESULT CALLBACK wndProc(HWND wnd, UINT message,
         // ignore erase background
         (*env)->CallVoidMethod(env, window, windowRepaintID, 0, 0, -1, -1);
         useDefWindowProc = 0;
-        res = 1;
+        res = 1; // OpenGL, etc .. erases the background, hence we claim to have just done this
         break;
 
 
@@ -1289,8 +1368,25 @@ JNIEXPORT jint JNICALL Java_com_jogamp_newt_impl_windows_WindowsScreen_setScreen
 JNIEXPORT jboolean JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_initIDs0
   (JNIEnv *env, jclass clazz)
 {
+    if(NULL==pointClz) {
+        jclass c = (*env)->FindClass(env, ClazzNamePoint);
+        if(NULL==c) {
+            _FatalError(env, "NEWT WindowsWindows: can't find %s", ClazzNamePoint);
+        }
+        pointClz = (jclass)(*env)->NewGlobalRef(env, c);
+        (*env)->DeleteLocalRef(env, c);
+        if(NULL==pointClz) {
+            _FatalError(env, "NEWT WindowsWindows: can't use %s", ClazzNamePoint);
+        }
+        pointCstr = (*env)->GetMethodID(env, pointClz, ClazzAnyCstrName, ClazzNamePointCstrSignature);
+        if(NULL==pointCstr) {
+            _FatalError(env, "NEWT WindowsWindows: can't fetch %s.%s %s",
+                ClazzNamePoint, ClazzAnyCstrName, ClazzNamePointCstrSignature);
+        }
+    }
+
     insetsChangedID = (*env)->GetMethodID(env, clazz, "insetsChanged", "(IIII)V");
-    sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(II)V");
+    sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(IIZ)V");
     positionChangedID = (*env)->GetMethodID(env, clazz, "positionChanged", "(II)V");
     focusChangedID = (*env)->GetMethodID(env, clazz, "focusChanged", "(Z)V");
     visibleChangedID = (*env)->GetMethodID(env, clazz, "visibleChanged", "(Z)V");
@@ -1386,7 +1482,7 @@ JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_CreateWi
         SetWindowLongPtr(window, GWLP_USERDATA, (intptr_t) wud);
 #endif
 
-        UpdateInsets(env, window, obj);
+        UpdateInsets(env, obj, window);
     }
 
 #ifdef UNICODE
@@ -1448,137 +1544,83 @@ JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_MonitorF
     #endif
 }
 
-/*
- * Class:     com_jogamp_newt_impl_windows_WindowsWindow
- * Method:    setVisible0
- * Signature: (JZ)V
+/***
+ * returns bits: 1: size change, 2: pos change
  */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_setVisible0
-  (JNIEnv *_env, jclass clazz, jlong window, jboolean visible)
+int NewtWindow_setVisiblePosSize(JNIEnv *env, jobject obj, HWND hwnd, jboolean top, jboolean visible, 
+                                 int x, int y, int width, int height)
 {
-    HWND hwnd = (HWND) (intptr_t) window;
-    DBG_PRINT("*** WindowsWindow: setVisible window %p, visible: %d\n", hwnd, (int)visible);
-    if (visible) {
-        SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE);
-        ShowWindow(hwnd, SW_SHOW);
+    UINT flags;
+    HWND hWndInsertAfter;
+    BOOL bRes;
+    int iRes=0;
+    int wwidth = width; // final window width
+    int wheight = height; // final window height
+    
+    DBG_PRINT("*** WindowsWindow: NewtWindow_setVisiblePosSize %d/%d %dx%d, top %d, visible %d\n", 
+        x, y, width, height, (int)top, (int)visible);
+
+    if(JNI_TRUE == visible) {
+        flags = SWP_SHOWWINDOW;
     } else {
-        ShowWindow(hwnd, SW_HIDE);
+        flags = SWP_NOACTIVATE | SWP_NOZORDER;
     }
-}
 
-/*
- * Class:     com_jogamp_newt_impl_windows_WindowsWindow
- * Method:    setSize0
- * Signature: (JIIII)V
- */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_setSize0
-  (JNIEnv *env, jobject obj, jlong parent, jlong window, jint x, jint y, jint width, jint height)
-{
-    HWND hwndP = (HWND) (intptr_t) parent;
-    HWND hwnd = (HWND) (intptr_t) window;
-    int nWidth=width, nHeight=height;
-    int nX=x, nY=y;
+    if(0>x || 0>y ) {
+        flags |= SWP_NOMOVE;
+    } else {
+        iRes |= 2;
+    }
+    if(0>=width || 0>=height ) {
+        flags |= SWP_NOSIZE;
+    } else {
+        iRes |= 1;
+    }
 
-    if(NULL==hwndP) {
-        // since width, height are the size of the client area, we need to add
-        // insets
-        RECT *pInsets = UpdateInsets(env, hwnd, obj);
+    if(JNI_TRUE == top) {
+        hWndInsertAfter = HWND_TOPMOST;
+        if ( 0 == ( flags & SWP_NOSIZE ) ) {
 
-        RECT r;
-        GetWindowRect(hwnd, &r);
+            // since width, height are the size of the client area, we need to add insets
+            RECT *pInsets = UpdateInsets(env, obj, hwnd);
 
-        nWidth = width + pInsets->left + pInsets->right;
-        nHeight = height + pInsets->top + pInsets->bottom;
-        nX=r.left; nY=r.top; // FIXME: really ?
+            wwidth += pInsets->left + pInsets->right;
+            wheight += pInsets->top + pInsets->bottom;
+        }
+        DBG_PRINT("*** WindowsWindow: NewtWindow_setVisiblePosSize top size w/ insets: %d/%d %dx%d\n", x, y, wwidth, wheight);
+    } else {
+        hWndInsertAfter = HWND_TOP;
+        DBG_PRINT("*** WindowsWindow: NewtWindow_setVisiblePosSize client size: %d/%d %dx%d\n", x, y, wwidth, wheight);
     }
 
-    DBG_PRINT("*** WindowsWindow: setSize parent %p, window %p, %d/%d %dx%d -> %d/%d %dx%d\n", 
-        hwndP, hwnd, x, y, width, height, nX, nY, nWidth, nHeight);
+    SetWindowPos(hwnd, hWndInsertAfter, x, y, wwidth, wheight, flags);
 
-    MoveWindow(hwnd, nX, nY, nWidth, nHeight, TRUE);
+    InvalidateRect(hwnd, NULL, TRUE);
+    UpdateWindow(hwnd);
 
     // we report back the size of client area
-    (*env)->CallVoidMethod(env, obj, sizeChangedID, (jint) width, (jint) height);
+    (*env)->CallVoidMethod(env, obj, sizeChangedID, (jint) width, (jint) height, JNI_FALSE);
+
+    return iRes;
 }
 
 /*
  * Class:     com_jogamp_newt_impl_windows_WindowsWindow
- * Method:    setPosition0
- * Signature: (JJII)V
+ * Method:    setVisible0
+ * Signature: (JZ)V
  */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_setPosition0
-  (JNIEnv *env, jclass clazz, jlong parent, jlong window, jint x, jint y/*, jint width, jint height*/)
+JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_setVisible0
+  (JNIEnv *env, jobject obj, jlong window, jboolean visible, jboolean top, jint x, jint y, jint width, jint height)
 {
-    HWND hwndP = (HWND) (intptr_t) parent;
     HWND hwnd = (HWND) (intptr_t) window;
-
-    if(NULL==hwndP) {
-        DBG_PRINT("*** WindowsWindow: setPosition.1 parent %p, window %p, %d/%d\n", hwndP, hwnd, x, y);
-
-        // Top Level Window .. SetWindowPos -> no need to do insets ..
-        SetWindowPos(hwnd, hwndP, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER);
-    } else {
-        RECT rc;
-        int w, h;
-
-        GetClientRect(hwnd, &rc);
-        w = rc.right  - rc.left;
-        h = rc.bottom - rc.top;
-
-        DBG_PRINT("*** WindowsWindow: setPosition.2 parent %p, window %p, %d/%d, %dx%d\n", 
-            hwndP, hwnd, x, y, /* width, height,*/ w, h);
-
-        // Child Window .. must use MoveWindow, no insets (no decoration)
-        MoveWindow(hwnd, x, y, w, h, FALSE);
-    }
-}
-
-static void NewtWindows_reparentWindow(JNIEnv *env, jobject obj, HWND hwndP, HWND hwnd, BOOL visible,
-                                       jint x, jint y, jint width, jint height, jboolean bIsUndecorated)
-{
-    UINT flags;
-    HWND hWndInsertAfter;
-    DWORD windowStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN ;
-
-    DBG_PRINT("*** WindowsWindow: reparentWindow.1 parent %p, window %p, %d/%d %dx%d undeco %d\n", (void*)hwndP, (void*)hwnd, x, y, width, height, bIsUndecorated);
-    if (!IsWindow(hwnd)) {
-        DBG_PRINT("*** WindowsWindow: reparentWindow failure: Passed window %p is invalid\n", (void*)hwnd);
-        return;
-    }
-    if (NULL!=hwndP && !IsWindow(hwndP)) {
-        DBG_PRINT("*** WindowsWindow: reparentWindow failure: Passed parent window %p is invalid\n", (void*)hwndP);
-        return;
-    }
-
-    if(visible) {
-        windowStyle |= WS_VISIBLE ;
-    }
-
-    // order of call sequence: (MS documentation)
-    //    TOP:  SetParent(.., NULL); Clear WS_CHILD [, Set WS_POPUP]
-    //  CHILD:  Set WS_CHILD [, Clear WS_POPUP]; SetParent(.., PARENT) 
-    //
-    if ( NULL == hwndP ) {
-        SetParent(hwnd, NULL);
-        DBG_PRINT("*** WindowsWindow: reparentWindow.2\n");
-    }
-
-    if(NULL!=hwndP) {
-        windowStyle |= WS_CHILD ;
-    } else if (bIsUndecorated) {
-        windowStyle |= WS_POPUP | WS_SYSMENU | WS_MAXIMIZEBOX | WS_MINIMIZEBOX;
+    DBG_PRINT("*** WindowsWindow: setVisible window %p, visible: %d, top %d, %d/%d %dx%d\n", 
+        hwnd, (int)visible, (int)top, x, y, width, height);
+    if (visible) {
+        NewtWindow_setVisiblePosSize(env, obj, hwnd, top, visible, x, y, width, height);
+        ShowWindow(hwnd, SW_SHOW);
     } else {
-        windowStyle |= WS_OVERLAPPEDWINDOW;
-    }
-    SetWindowLong(hwnd, GWL_STYLE, windowStyle);
-    DBG_PRINT("*** WindowsWindow: reparentWindow.3\n");
-
-    if ( NULL != hwndP ) {
-        SetParent(hwnd, hwndP );
-        DBG_PRINT("*** WindowsWindow: reparentWindow.4\n");
+        ShowWindow(hwnd, SW_HIDE);
     }
-
-    DBG_PRINT("*** WindowsWindow: reparentWindow.X\n");
 }
 
 #define FULLSCREEN_NOERROR 0
@@ -1616,57 +1658,74 @@ static int NewtWindows_setFullScreen(jboolean fullscreen)
 /*
  * Class:     com_jogamp_newt_impl_windows_WindowsWindow
  * Method:    reconfigureWindow0
- * Signature: (JIIIIZ)V
+ * Signature: (JIIIIZZII)V
  */
 JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_reconfigureWindow0
-  (JNIEnv *env, jobject obj, jlong parent, jlong window, jint x, jint y, jint width, jint height, jboolean bIsUndecorated, jboolean isFullscreen)
+  (JNIEnv *env, jobject obj, jlong parent, jlong window, jint x, jint y, jint width, jint height, 
+   jboolean visible, jboolean parentChange, jint fullScreenChange, jint decorationChange)
 {
-    UINT flags;
     HWND hwndP = (HWND) (intptr_t) parent;
     HWND hwnd = (HWND) (intptr_t) window;
+    DWORD windowStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN ;
+    BOOL styleChange = ( 0 != decorationChange || 0 != fullScreenChange || JNI_TRUE == parentChange ) ? TRUE : FALSE ;
+    UINT flags = SWP_SHOWWINDOW;
     HWND hWndInsertAfter;
-    BOOL isVisible = IsWindowVisible(hwnd);
 
-    DBG_PRINT("*** WindowsWindow: reconfigureWindow0.1 parent %p, window %p, %d/%d %dx%d undeco %d visible\n", 
-        parent, window, x, y, width, height, bIsUndecorated, isVisible);
+    DBG_PRINT("*** WindowsWindow: reconfigureWindow0 parent %p, window %p, %d/%d %dx%d, parentChange %d, fullScreenChange %d, visible %d, decorationChange %d -> styleChange %d\n", 
+        parent, window, x, y, width, height, parentChange, fullScreenChange, visible, decorationChange, styleChange);
+
+    if (!IsWindow(hwnd)) {
+        DBG_PRINT("*** WindowsWindow: reconfigureWindow0 failure: Passed window %p is invalid\n", (void*)hwnd);
+        return;
+    }
+
+    if (NULL!=hwndP && !IsWindow(hwndP)) {
+        DBG_PRINT("*** WindowsWindow: reconfigureWindow0 failure: Passed parent window %p is invalid\n", (void*)hwndP);
+        return;
+    }
 
-	if(isFullscreen == JNI_FALSE)
+    if(JNI_TRUE == visible) {
+        windowStyle |= WS_VISIBLE ;
+    }
+	
+	if(fullScreenChange < 0)
 	{
-		NewtWindows_setFullScreen(isFullscreen);
+		NewtWindows_setFullScreen(JNI_FALSE);
 	}
-    NewtWindows_reparentWindow(env, obj, hwndP, hwnd, FALSE, x, y, width, height, bIsUndecorated);
+
+    // order of call sequence: (MS documentation)
+    //    TOP:  SetParent(.., NULL); Clear WS_CHILD [, Set WS_POPUP]
+    //  CHILD:  Set WS_CHILD [, Clear WS_POPUP]; SetParent(.., PARENT) 
+    //
+    if ( JNI_TRUE == parentChange && NULL == hwndP ) {
+        SetParent(hwnd, NULL);
+    }
 	
-	if(isFullscreen == JNI_TRUE)
+	if(fullScreenChange > 0)
 	{
-		NewtWindows_setFullScreen(isFullscreen);
+		NewtWindows_setFullScreen(JNI_TRUE);
 	}
-    
-	if ( NULL == hwndP ) {
-        flags = SWP_SHOWWINDOW;
-        hWndInsertAfter = HWND_TOPMOST;
-    } else {
-        flags = SWP_NOACTIVATE | SWP_NOZORDER;
-        hWndInsertAfter = 0;
+
+    if ( styleChange ) {
+        if(NULL!=hwndP) {
+            windowStyle |= WS_CHILD ;
+        } else if ( decorationChange < 0 || 0 < fullScreenChange ) {
+            windowStyle |= WS_POPUP | WS_SYSMENU | WS_MAXIMIZEBOX | WS_MINIMIZEBOX;
+        } else {
+            windowStyle |= WS_OVERLAPPEDWINDOW;
+        }
+        SetWindowLong(hwnd, GWL_STYLE, windowStyle);
+        SetWindowPos(hwnd, 0, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER );
     }
-    SetWindowPos(hwnd, hWndInsertAfter, x, y, width, height, flags);
 
-    DBG_PRINT("*** WindowsWindow: reconfigureWindow0.X\n");
-    (*env)->CallVoidMethod(env, obj, sizeChangedID, (jint) width, (jint) height); // resize necessary ..
-}
+    if ( JNI_TRUE == parentChange && NULL != hwndP ) {
+        SetParent(hwnd, hwndP );
+    }
 
-/*
- * Class:     com_jogamp_newt_impl_windows_WindowsWindow
- * Method:    reparentWindow0
- * Signature: (JIIIIZ)V
- */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_reparentWindow0
-  (JNIEnv *env, jobject obj, jlong parent, jlong window, jint x, jint y, jint width, jint height, jboolean bIsUndecorated)
-{
-    HWND hwndP = (HWND) (intptr_t) parent;
-    HWND hwnd = (HWND) (intptr_t) window;
-    BOOL isVisible = IsWindowVisible(hwnd);
+    NewtWindow_setVisiblePosSize(env, obj, hwnd, (NULL == hwndP) ? JNI_TRUE : JNI_FALSE /* top */, visible,
+                                 x, y, width, height);
 
-    NewtWindows_reparentWindow(env, obj, hwndP, hwnd, FALSE, x, y, width, height, bIsUndecorated);
+    DBG_PRINT("*** WindowsWindow: reconfigureWindow0.X\n");
 }
 
 /*
@@ -1690,12 +1749,33 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_setTitle0
 /*
  * Class:     com_jogamp_newt_impl_windows_WindowsWindow
  * Method:    requestFocus
- * Signature: (J)V
+ * Signature: (JZ)V
  */
 JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_requestFocus0
-  (JNIEnv *env, jobject obj, jlong window, jboolean bReparented)
+  (JNIEnv *env, jobject obj, jlong window, jboolean force)
+{
+    DBG_PRINT("*** WindowsWindow: RequestFocus0\n");
+    NewtWindows_requestFocus ( env, obj, (HWND) (intptr_t) window, force) ;
+}
+
+/*
+ * Class:     com_jogamp_newt_impl_windows_WindowsWindows
+ * Method:    getRelativeLocation0
+ * Signature: (JJII)Ljavax/media/nativewindow/util/Point;
+ */
+JNIEXPORT jobject JNICALL Java_com_jogamp_newt_impl_windows_WindowsWindow_getRelativeLocation0
+  (JNIEnv *env, jobject obj, jlong jsrc_win, jlong jdest_win, jint src_x, jint src_y)
 {
-    DBG_PRINT("*** WindowsWindow: RequestFocus0: reparented %d\n", (int)bReparented);
-    NewtWindows_requestFocus ( env, obj, (HWND) (intptr_t) window, bReparented ) ;
+    HWND src_win = (HWND) (intptr_t) jsrc_win;
+    HWND dest_win = (HWND) (intptr_t) jdest_win;
+    POINT dest = { src_x, src_y } ;
+    int res;
+
+    res = MapWindowPoints(src_win, dest_win, &dest, 1);
+
+    DBG_PRINT("*** WindowsWindow: getRelativeLocation0: %p %d/%d -> %p %d/%d - ok: %d\n",
+        (void*)src_win, src_x, src_y, (void*)dest_win, (int)dest.x, (int)dest.y, res);
+
+    return (*env)->NewObject(env, pointClz, pointCstr, (jint)dest.x, (jint)dest.y);
 }
 
diff --git a/src/newt/native/X11Window.c b/src/newt/native/X11Window.c
index 7fcbd83da..6c6aff478 100644
--- a/src/newt/native/X11Window.c
+++ b/src/newt/native/X11Window.c
@@ -150,12 +150,20 @@ static void _FatalError(JNIEnv *env, const char* msg, ...)
 }
 
 static const char * const ClazzNameRuntimeException = "java/lang/RuntimeException";
+
+static const char * const ClazzNameNewtWindow = "com/jogamp/newt/Window";
+
+static const char * const ClazzNamePoint = "javax/media/nativewindow/util/Point";
+static const char * const ClazzAnyCstrName = "<init>";
+static const char * const ClazzNamePointCstrSignature = "(II)V";
+
 static jclass    runtimeExceptionClz=NULL;
 
-static const char * const ClazzNameNewtWindow = 
-                            "com/jogamp/newt/Window";
 static jclass    newtWindowClz=NULL;
 
+static jclass pointClz = NULL;
+static jmethodID pointCstr = NULL;
+
 static jmethodID sizeChangedID = NULL;
 static jmethodID positionChangedID = NULL;
 static jmethodID focusChangedID = NULL;
@@ -163,7 +171,7 @@ static jmethodID visibleChangedID = NULL;
 static jmethodID windowDestroyNotifyID = NULL;
 static jmethodID windowDestroyedID = NULL;
 static jmethodID windowRepaintID = NULL;
-static jmethodID windowCreatedID = NULL;
+static jmethodID windowReparentedID = NULL;
 static jmethodID enqueueMouseEventID = NULL;
 static jmethodID sendMouseEventID = NULL;
 static jmethodID enqueueKeyEventID = NULL;
@@ -173,6 +181,7 @@ static jmethodID enqueueRequestFocusID = NULL;
 
 static jmethodID displayCompletedID = NULL;
 
+
 static void _throwNewRuntimeException(Display * unlockDisplay, JNIEnv *env, const char* msg, ...)
 {
     char buffer[512];
@@ -260,6 +269,22 @@ JNIEXPORT jboolean JNICALL Java_com_jogamp_newt_impl_x11_X11Display_initIDs0
         }
     }
 
+    if(NULL==pointClz) {
+        c = (*env)->FindClass(env, ClazzNamePoint);
+        if(NULL==c) {
+            _FatalError(env, "NEWT X11Windows: can't find %s", ClazzNamePoint);
+        }
+        pointClz = (jclass)(*env)->NewGlobalRef(env, c);
+        (*env)->DeleteLocalRef(env, c);
+        if(NULL==pointClz) {
+            _FatalError(env, "NEWT X11Windows: can't use %s", ClazzNamePoint);
+        }
+        pointCstr = (*env)->GetMethodID(env, pointClz, ClazzAnyCstrName, ClazzNamePointCstrSignature);
+        if(NULL==pointCstr) {
+            _FatalError(env, "NEWT X11Windows: can't fetch %s.%s %s",
+                ClazzNamePoint, ClazzAnyCstrName, ClazzNamePointCstrSignature);
+        }
+    }
     return JNI_TRUE;
 }
 
@@ -302,7 +327,7 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Display_CompleteDisplay0
  * Window
  */
 
-#define WINDOW_EVENT_MASK ( FocusChangeMask | StructureNotifyMask | ExposureMask )
+#define WINDOW_EVENT_MASK ( FocusChangeMask | SubstructureNotifyMask | StructureNotifyMask | ExposureMask )
 
 static int putPtrIn32Long(unsigned long * dst, uintptr_t src) {
     int i=0;
@@ -381,32 +406,43 @@ static jobject getJavaWindowProperty(JNIEnv *env, Display *dpy, Window window, j
     return jwindow;
 }
 
-/**
-static Window NewtWindows_getParent (Display *dpy, Window w) {
-    Window root_return=0;
-    Window parent_return=0;
+/** @return zero if fails, non zero if OK */
+static Status NewtWindows_getRootAndParent (Display *dpy, Window w, Window * root_return, Window * parent_return) {
     Window *children_return=NULL;
     unsigned int nchildren_return=0;
 
-    Status res = XQueryTree(dpy, w, &root_return, &parent_return, &children_return, &nchildren_return);
+    Status res = XQueryTree(dpy, w, root_return, parent_return, &children_return, &nchildren_return);
     if(NULL!=children_return) {
         XFree(children_return);
     }
-    if(0!=res) {
+    return res;
+}
+static Window NewtWindows_getRoot (Display *dpy, Window w) {
+    Window root_return;
+    Window parent_return;
+    if( 0 != NewtWindows_getRootAndParent(dpy, w, &root_return, &parent_return) ) {
+        return root_return;
+    }
+    return 0;
+}
+static Window NewtWindows_getParent (Display *dpy, Window w) {
+    Window root_return;
+    Window parent_return;
+    if( 0 != NewtWindows_getRootAndParent(dpy, w, &root_return, &parent_return) ) {
         return parent_return;
     }
     return 0;
-} */
+}
+
 
-static void NewtWindows_requestFocus (JNIEnv *env, jobject window, Display *dpy, Window w, 
-                                      Bool reparented) {
+static void NewtWindows_requestFocus (JNIEnv *env, jobject window, Display *dpy, Window w, jboolean force) {
     XWindowAttributes xwa;
     Window focus_return;
     int revert_to_return;
 
     XGetInputFocus(dpy, &focus_return, &revert_to_return);
-    if(reparented || focus_return!=w) {
-        if( reparented || JNI_FALSE == (*env)->CallBooleanMethod(env, window, focusActionID) ) {
+    if( JNI_TRUE==force || focus_return!=w) {
+        if(  JNI_TRUE==force || JNI_FALSE == (*env)->CallBooleanMethod(env, window, focusActionID) ) {
             XRaiseWindow(dpy, w);
             // Avoid 'BadMatch' errors from XSetInputFocus, ie if window is not viewable
             XGetWindowAttributes(dpy, w, &xwa);
@@ -418,32 +454,6 @@ static void NewtWindows_requestFocus (JNIEnv *env, jobject window, Display *dpy,
     XSync(dpy, False);
 }
 
-/** 
- * Changing this attribute while a window is established,
- * returns the previous value.
- */
-static Bool NewtWindows_setOverrideRedirect0 (Display *dpy, Window w, XWindowAttributes *xwa, Bool newVal) {
-    Bool oldVal = xwa->override_redirect;
-    XSetWindowAttributes xswa;
-
-    if(oldVal != newVal) {
-        memset(&xswa, 0, sizeof(XSetWindowAttributes));
-        xswa.override_redirect = newVal; 
-        XChangeWindowAttributes(dpy, w, CWOverrideRedirect, &xswa);
-    }
-    return oldVal;
-}
-
-static Bool NewtWindows_setOverrideRedirect1 (Display *dpy, Window w, Bool newVal) {
-    XWindowAttributes xwa;
-    Bool oldVal;
-
-    XSync(dpy, False);
-    XGetWindowAttributes(dpy, w, &xwa);
-
-    return NewtWindows_setOverrideRedirect0 (dpy, w, &xwa, newVal);
-}
-
 #define MWM_HINTS_DECORATIONS   (1L << 1)
 #define PROP_MWM_HINTS_ELEMENTS 5
 
@@ -470,7 +480,9 @@ static void NewtWindows_setDecorations (Display *dpy, Window w, Bool decorated)
 #define _NET_WM_STATE_REMOVE 0
 #define _NET_WM_STATE_ADD 1
 
-static void NewtWindows_setFullscreen (Display *dpy, Window w, Bool fullscreen) {
+
+
+static void NewtWindows_setFullscreen (Display *dpy, Window root, Window w, Bool fullscreen) {
     Atom _NET_WM_STATE = XInternAtom( dpy, "_NET_WM_STATE", False );
     Atom _NET_WM_STATE_ABOVE = XInternAtom( dpy, "_NET_WM_STATE_ABOVE", False );
     Atom _NET_WM_STATE_FULLSCREEN = XInternAtom( dpy, "_NET_WM_STATE_FULLSCREEN", False );
@@ -500,11 +512,14 @@ static void NewtWindows_setFullscreen (Display *dpy, Window w, Bool fullscreen)
         xev.xclient.data.l[2] = _NET_WM_STATE_ABOVE;
         xev.xclient.data.l[3] = 1; //source indication for normal applications
     }
-    
+
     XChangeProperty( dpy, w, _NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *)&types, ntypes);
-    XSendEvent (dpy, DefaultRootWindow(dpy), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev );
+    XSync(dpy, False);
+    XSendEvent (dpy, root, False, SubstructureRedirectMask | SubstructureNotifyMask, &xev );
 }
 
+#define USE_SENDIO_DIRECT 1
+
 /*
  * Class:     com_jogamp_newt_impl_x11_X11Display
  * Method:    DispatchMessages
@@ -549,7 +564,7 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Display_DispatchMessages
             return ;
         }
 
-        DBG_PRINT( "X11: DispatchMessages dpy %p, win %p, Event %d\n", (void*)dpy, (void*)evt.xany.window, evt.type);
+        // DBG_PRINT( "X11: DispatchMessages dpy %p, win %p, Event %d\n", (void*)dpy, (void*)evt.xany.window, evt.type);
 
         displayDispatchErrorHandlerEnable(1, env);
 
@@ -585,30 +600,64 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Display_DispatchMessages
         switch(evt.type) {
             case ButtonPress:
                 (*env)->CallVoidMethod(env, jwindow, enqueueRequestFocusID, JNI_FALSE);
+                #ifdef USE_SENDIO_DIRECT
                 (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, 
                                       (jint) EVENT_MOUSE_PRESSED, 
                                       (jint) evt.xbutton.state, 
                                       (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, 
+                                      JNI_FALSE,
+                                      (jint) EVENT_MOUSE_PRESSED, 
+                                      (jint) evt.xbutton.state, 
+                                      (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #endif
                 break;
             case ButtonRelease:
+                #ifdef USE_SENDIO_DIRECT
                 (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, 
                                       (jint) EVENT_MOUSE_RELEASED, 
                                       (jint) evt.xbutton.state, 
                                       (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, 
+                                      JNI_FALSE,
+                                      (jint) EVENT_MOUSE_RELEASED, 
+                                      (jint) evt.xbutton.state, 
+                                      (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #endif
                 break;
             case MotionNotify:
+                #ifdef USE_SENDIO_DIRECT
                 (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, 
                                       (jint) EVENT_MOUSE_MOVED, 
                                       (jint) evt.xmotion.state, 
                                       (jint) evt.xmotion.x, (jint) evt.xmotion.y, (jint) 0, 0 /*rotation*/); 
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, 
+                                      JNI_FALSE,
+                                      (jint) EVENT_MOUSE_MOVED, 
+                                      (jint) evt.xmotion.state, 
+                                      (jint) evt.xmotion.x, (jint) evt.xmotion.y, (jint) 0, 0 /*rotation*/); 
+                #endif
                 break;
             case KeyPress:
+                #ifdef USE_SENDIO_DIRECT
                 (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, 
                                       (jint) EVENT_KEY_PRESSED, 
                                       (jint) evt.xkey.state, 
                                       X11KeySym2NewtVKey(keySym), (jchar) keyChar);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID,
+                                      JNI_FALSE,
+                                      (jint) EVENT_KEY_PRESSED, 
+                                      (jint) evt.xkey.state, 
+                                      X11KeySym2NewtVKey(keySym), (jchar) keyChar);
+                #endif
+
                 break;
             case KeyRelease:
+                #ifdef USE_SENDIO_DIRECT
                 (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, 
                                       (jint) EVENT_KEY_RELEASED, 
                                       (jint) evt.xkey.state, 
@@ -618,69 +667,132 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Display_DispatchMessages
                                       (jint) EVENT_KEY_TYPED, 
                                       (jint) evt.xkey.state, 
                                       (jint) -1, (jchar) keyChar);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID,
+                                      JNI_FALSE,
+                                      (jint) EVENT_KEY_RELEASED, 
+                                      (jint) evt.xkey.state, 
+                                      X11KeySym2NewtVKey(keySym), (jchar) keyChar);
+
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID,
+                                      JNI_FALSE,
+                                      (jint) EVENT_KEY_TYPED, 
+                                      (jint) evt.xkey.state, 
+                                      (jint) -1, (jchar) keyChar);
+                #endif
+
                 break;
             case DestroyNotify:
-                DBG_PRINT( "X11: event . DestroyNotify call 0x%X\n", (unsigned int)evt.xdestroywindow.window);
-                (*env)->CallVoidMethod(env, jwindow, windowDestroyedID);
+                DBG_PRINT( "X11: event . DestroyNotify call %p, parent %p, child-event: %d\n", 
+                    (void*)evt.xdestroywindow.window, (void*)evt.xdestroywindow.event, evt.xdestroywindow.window != evt.xdestroywindow.event);
+                if ( evt.xdestroywindow.window == evt.xdestroywindow.event ) {
+                    // ignore child destroy notification
+                    (*env)->CallVoidMethod(env, jwindow, windowDestroyedID);
+                }
                 break;
             case CreateNotify:
-                DBG_PRINT( "X11: event . CreateNotify call 0x%X\n", (unsigned int)evt.xcreatewindow.window);
-                (*env)->CallVoidMethod(env, jwindow, windowCreatedID);
+                DBG_PRINT( "X11: event . CreateNotify call %p, parent %p, child-event: 1\n", 
+                    (void*)evt.xcreatewindow.window, (void*) evt.xcreatewindow.parent);
                 break;
             case ConfigureNotify:
-                DBG_PRINT( "X11: event . ConfigureNotify call 0x%X (parent 0x%X, above 0x%X) %d/%d %dx%d %d\n", 
-                            (unsigned int)evt.xconfigure.window, (unsigned int)evt.xconfigure.event, (unsigned int)evt.xconfigure.above,
+                DBG_PRINT( "X11: event . ConfigureNotify call %p (parent %p, above %p) %d/%d %dx%d %d, child-event: %d\n", 
+                            (void*)evt.xconfigure.window, (void*)evt.xconfigure.event, (void*)evt.xconfigure.above,
                             evt.xconfigure.x, evt.xconfigure.y, evt.xconfigure.width, evt.xconfigure.height, 
-                            evt.xconfigure.override_redirect);
-                (*env)->CallVoidMethod(env, jwindow, sizeChangedID, 
-                                        (jint) evt.xconfigure.width, (jint) evt.xconfigure.height);
-                (*env)->CallVoidMethod(env, jwindow, positionChangedID, 
-                                        (jint) evt.xconfigure.x, (jint) evt.xconfigure.y);
+                            evt.xconfigure.override_redirect, evt.xconfigure.window != evt.xconfigure.event);
+                if ( evt.xconfigure.window == evt.xconfigure.event ) {
+                    // ignore child window change notification
+                    (*env)->CallVoidMethod(env, jwindow, sizeChangedID, 
+                                            (jint) evt.xconfigure.width, (jint) evt.xconfigure.height, JNI_FALSE);
+                    (*env)->CallVoidMethod(env, jwindow, positionChangedID, 
+                                            (jint) evt.xconfigure.x, (jint) evt.xconfigure.y);
+                }
                 break;
             case ClientMessage:
                 if (evt.xclient.send_event==True && evt.xclient.data.l[0]==(Atom)wmDeleteAtom) {
-                    DBG_PRINT( "X11: event . ClientMessage call 0x%X type 0x%X !!!\n", (unsigned int)evt.xclient.window, (unsigned int)evt.xclient.message_type);
+                    DBG_PRINT( "X11: event . ClientMessage call %p type 0x%X !!!\n", 
+                        (void*)evt.xclient.window, (unsigned int)evt.xclient.message_type);
                     (*env)->CallVoidMethod(env, jwindow, windowDestroyNotifyID);
                     // Called by Window.java: CloseWindow(); 
                 }
                 break;
 
             case FocusIn:
-                DBG_PRINT( "X11: event . FocusIn call 0x%X\n", (unsigned int)evt.xvisibility.window);
+                DBG_PRINT( "X11: event . FocusIn call %p\n", (void*)evt.xvisibility.window);
                 (*env)->CallVoidMethod(env, jwindow, focusChangedID, JNI_TRUE);
                 break;
 
             case FocusOut:
-                DBG_PRINT( "X11: event . FocusOut call 0x%X\n", (unsigned int)evt.xvisibility.window);
+                DBG_PRINT( "X11: event . FocusOut call %p\n", (void*)evt.xvisibility.window);
                 (*env)->CallVoidMethod(env, jwindow, focusChangedID, JNI_FALSE);
                 break;
 
             case Expose:
-                DBG_PRINT( "X11: event . Expose call 0x%X %d/%d %dx%d\n", (unsigned int)evt.xexpose.window,
-                    evt.xexpose.x, evt.xexpose.y, evt.xexpose.width, evt.xexpose.height);
+                DBG_PRINT( "X11: event . Expose call %p %d/%d %dx%d count %d\n", (void*)evt.xexpose.window,
+                    evt.xexpose.x, evt.xexpose.y, evt.xexpose.width, evt.xexpose.height, evt.xexpose.count);
 
-                if (evt.xexpose.width > 0 && evt.xexpose.height > 0) {
+                if (evt.xexpose.count == 0 && evt.xexpose.width > 0 && evt.xexpose.height > 0) {
                     (*env)->CallVoidMethod(env, jwindow, windowRepaintID, 
                         evt.xexpose.x, evt.xexpose.y, evt.xexpose.width, evt.xexpose.height);
                 }
                 break;
 
             case MapNotify:
-                DBG_PRINT( "X11: event . MapNotify call Event 0x%X, Window 0x%X, override_redirect %d\n", 
-                    (unsigned int)evt.xmap.event, (unsigned int)evt.xmap.window, (int)evt.xmap.override_redirect);
-                (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_TRUE);
+                DBG_PRINT( "X11: event . MapNotify call Event %p, Window %p, override_redirect %d, child-event: %d\n", 
+                    (void*)evt.xmap.event, (void*)evt.xmap.window, (int)evt.xmap.override_redirect,
+                    evt.xmap.event!=evt.xmap.window);
+                if( evt.xmap.event == evt.xmap.window ) {
+                    // ignore child window notification
+                    (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_TRUE);
+                }
                 break;
 
             case UnmapNotify:
-                DBG_PRINT( "X11: event . UnmapNotify call Event 0x%X, Window 0x%X, from_configure %d\n", 
-                    (unsigned int)evt.xunmap.event, (unsigned int)evt.xunmap.window, (int)evt.xunmap.from_configure);
-                (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_FALSE);
+                DBG_PRINT( "X11: event . UnmapNotify call Event %p, Window %p, from_configure %d, child-event: %d\n", 
+                    (void*)evt.xunmap.event, (void*)evt.xunmap.window, (int)evt.xunmap.from_configure,
+                    evt.xunmap.event!=evt.xunmap.window);
+                if( evt.xunmap.event == evt.xunmap.window ) {
+                    // ignore child window notification
+                    (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_FALSE);
+                }
+                break;
+
+            case ReparentNotify:
+                {
+                    jlong parentResult; // 0 if root, otherwise proper value
+                    Window winRoot, winTopParent;
+                    #ifdef VERBOSE_ON
+                        Window oldParentRoot, oldParentTopParent;
+                        Window parentRoot, parentTopParent;
+                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.event, &oldParentRoot, &oldParentTopParent) ) {
+                            oldParentRoot=0; oldParentTopParent = 0;
+                        }
+                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.parent, &parentRoot, &parentTopParent) ) {
+                            parentRoot=0; parentTopParent = 0;
+                        }
+                    #endif
+                    if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.window, &winRoot, &winTopParent) ) {
+                        winRoot=0; winTopParent = 0;
+                    }
+                    if(evt.xreparent.parent == winRoot) {
+                        parentResult = 0; // our java indicator for root window
+                    } else {
+                        parentResult = (jlong) (intptr_t) evt.xreparent.parent;
+                    }
+                    #ifdef VERBOSE_ON
+                        DBG_PRINT( "X11: event . ReparentNotify: call OldParent %p (root %p, top %p), NewParent %p (root %p, top %p), Window %p (root %p, top %p)\n", 
+                            (void*)evt.xreparent.event, (void*)oldParentRoot, (void*)oldParentTopParent,
+                            (void*)evt.xreparent.parent, (void*)parentRoot, (void*)parentTopParent,
+                            (void*)evt.xreparent.window, (void*)winRoot, (void*)winTopParent);
+                    #endif
+
+                    (*env)->CallVoidMethod(env, jwindow, windowReparentedID, parentResult);
+                }
                 break;
 
             // unhandled events .. yet ..
 
             default:
-                DBG_PRINT("X11: event . unhandled %d 0x%X call 0x%X\n", evt.type, evt.type, (unsigned int)evt.xunmap.window);
+                DBG_PRINT("X11: event . unhandled %d 0x%X call %p\n", (int)evt.type, (unsigned int)evt.type, (void*)evt.xunmap.window);
         }
     }
 }
@@ -995,14 +1107,14 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Screen_setScreenRotation
 JNIEXPORT jboolean JNICALL Java_com_jogamp_newt_impl_x11_X11Window_initIDs0
   (JNIEnv *env, jclass clazz)
 {
-    sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(II)V");
+    sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(IIZ)V");
     positionChangedID = (*env)->GetMethodID(env, clazz, "positionChanged", "(II)V");
     focusChangedID = (*env)->GetMethodID(env, clazz, "focusChanged", "(Z)V");
     visibleChangedID = (*env)->GetMethodID(env, clazz, "visibleChanged", "(Z)V");
     windowDestroyNotifyID = (*env)->GetMethodID(env, clazz, "windowDestroyNotify", "()V");
     windowDestroyedID = (*env)->GetMethodID(env, clazz, "windowDestroyed", "()V");
     windowRepaintID = (*env)->GetMethodID(env, clazz, "windowRepaint", "(IIII)V");
-    windowCreatedID = (*env)->GetMethodID(env, clazz, "windowCreated", "(J)V");
+    windowReparentedID = (*env)->GetMethodID(env, clazz, "windowReparented", "(J)V");
     enqueueMouseEventID = (*env)->GetMethodID(env, clazz, "enqueueMouseEvent", "(ZIIIIII)V");
     sendMouseEventID = (*env)->GetMethodID(env, clazz, "sendMouseEvent", "(IIIIII)V");
     enqueueKeyEventID = (*env)->GetMethodID(env, clazz, "enqueueKeyEvent", "(ZIIIC)V");
@@ -1017,7 +1129,7 @@ JNIEXPORT jboolean JNICALL Java_com_jogamp_newt_impl_x11_X11Window_initIDs0
         windowDestroyNotifyID == NULL ||
         windowDestroyedID == NULL ||
         windowRepaintID == NULL ||
-        windowCreatedID == NULL ||
+        windowReparentedID == NULL ||
         enqueueMouseEventID == NULL ||
         sendMouseEventID == NULL ||
         enqueueKeyEventID == NULL ||
@@ -1073,6 +1185,9 @@ JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_x11_X11Window_CreateWindow0
     if(0==windowParent) {
         windowParent = XRootWindowOfScreen(scrn);
     }
+    if( XRootWindowOfScreen(scrn) != XRootWindow(dpy, scrn_idx) ) {
+        _FatalError(env, "XRoot Malfunction: %p != %p"+XRootWindowOfScreen(scrn), XRootWindow(dpy, scrn_idx));
+    }
     DBG_PRINT( "X11: CreateWindow dpy %p, parent %p, %x/%d %dx%d, undeco %d\n", 
         (void*)dpy, (void*)windowParent, x, y, width, height, undecorated);
 
@@ -1107,7 +1222,8 @@ JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_x11_X11Window_CreateWindow0
                   CWBorderPixel | CWColormap | CWOverrideRedirect ) ;
 
     memset(&xswa, 0, sizeof(xswa));
-    xswa.override_redirect = ( 0 != parent ) ? True : False ;
+    // xswa.override_redirect = ( 0 != parent ) ? False : True;
+    xswa.override_redirect = False; // use the window manager, always
     xswa.border_pixel = 0;
     xswa.background_pixel = 0;
     xswa.backing_store=NotUseful; /* NotUseful, WhenMapped, Always */
@@ -1115,7 +1231,7 @@ JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_x11_X11Window_CreateWindow0
     xswa.backing_pixel=0;         /* value to use in restoring planes */
 
     xswa.colormap = XCreateColormap(dpy,
-                                    windowParent, // XRootWindow(dpy, scrn_idx),
+                                    windowParent,
                                     visual,
                                     AllocNone);
 
@@ -1154,9 +1270,7 @@ JNIEXPORT jlong JNICALL Java_com_jogamp_newt_impl_x11_X11Window_CreateWindow0
     NewtWindows_setDecorations(dpy, window, ( JNI_TRUE == undecorated ) ? False : True );
     XSync(dpy, False);
 
-    DBG_PRINT( "X11: [CreateWindow] created window 0x%X on display %p\n", (unsigned int)window, dpy);
-    (*env)->CallVoidMethod(env, obj, windowCreatedID, (jlong) window);
-
+    DBG_PRINT( "X11: [CreateWindow] created window %p on display %p\n", (void*)window, dpy);
     return (jlong) window;
 }
 
@@ -1205,13 +1319,30 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_CloseWindow0
     (*env)->CallVoidMethod(env, obj, windowDestroyedID);
 }
 
+static void NewtWindows_setPosSize(Display *dpy, Window w, jint x, jint y, jint width, jint height)
+{
+    if(width>0 && height>0 || x>=0 && y>=0) { // resize/position if requested
+        XWindowChanges xwc;
+        unsigned int mod_flags = ( (x>=0)?CWX:0 ) | ( (y>=0)?CWY:0 ) | 
+                                 ( (width>0)?CWWidth:0 ) | ( (height>0)?CWHeight:0 ) ;
+        DBG_PRINT( "X11: reconfigureWindow0 pos/size mod: 0x%X\n", mod_flags);
+        memset(&xwc, 0, sizeof(XWindowChanges));
+        xwc.x=x;
+        xwc.y=y;
+        xwc.width=width;
+        xwc.height=height;
+        XConfigureWindow(dpy, w, mod_flags, &xwc);
+        XSync(dpy, False);
+    }
+}
+
 /*
  * Class:     com_jogamp_newt_impl_x11_X11Window
  * Method:    setVisible0
- * Signature: (JJZ)V
+ * Signature: (JJZIIII)V
  */
 JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_setVisible0
-  (JNIEnv *env, jobject obj, jlong display, jlong window, jboolean visible)
+  (JNIEnv *env, jobject obj, jlong display, jlong window, jboolean visible, jint x, jint y, jint width, jint height)
 {
     Display * dpy = (Display *) (intptr_t) display;
     Window w = (Window)window;
@@ -1227,178 +1358,78 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_setVisible0
         XUnmapWindow(dpy, w);
     }
     XSync(dpy, False);
-}
-
-/*
- * Class:     com_jogamp_newt_impl_x11_X11Window
- * Method:    setSize0
- * Signature: (JJII)V
- */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_setSize0
-  (JNIEnv *env, jobject obj, jlong display, jlong window, jint width, jint height)
-{
-    Display * dpy = (Display *) (intptr_t) display;
-    Window w = (Window)window;
-    XWindowChanges xwc;
 
-    DBG_PRINT( "X11: setSize0 %dx%d\n", width, height);
-
-    if(dpy==NULL) {
-        _FatalError(env, "invalid display connection..");
-    }
-
-    memset(&xwc, 0, sizeof(XWindowChanges));
-    xwc.width=width;
-    xwc.height=height;
-    XConfigureWindow(dpy, w, CWWidth|CWHeight, &xwc);
-
-    XSync(dpy, False);
+    NewtWindows_setPosSize(dpy, w, x, y, width, height);
 }
 
 /*
  * Class:     com_jogamp_newt_impl_x11_X11Window
- * Method:    setPosition0
- * Signature: (JJII)V
+ * Method:    reconfigureWindow0
+ * Signature: (JIJJIIIIZZII)V
  */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_setPosition0
-  (JNIEnv *env, jobject obj, jlong parent, jlong display, jlong window, jint x, jint y)
+JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_reconfigureWindow0
+  (JNIEnv *env, jobject obj, jlong jdisplay, jint screen_index, jlong jparent, jlong jwindow, 
+   jint x, jint y, jint width, jint height, jboolean isVisible, jboolean parentChange, jint fullscreenChange, jint decorationChange)
 {
-    Display * dpy = (Display *) (intptr_t) display;
-    Window w = (Window)window;
-    XWindowChanges xwc;
-
-    DBG_PRINT( "X11: setPos0 . XConfigureWindow %d/%d\n", x, y);
-    if(dpy==NULL) {
-        _FatalError(env, "invalid display connection..");
-    }
+    Display * dpy = (Display *) (intptr_t) jdisplay;
+    Screen * scrn = ScreenOfDisplay(dpy, (int)screen_index);
+    Window w = (Window)jwindow;
+    Window root = XRootWindowOfScreen(scrn);
+    Window parent = (0!=jparent)?(Window)jparent:root;
+    Window topParentParent;
+    Window topParentWindow;
+    Bool moveIntoParent = False;
 
-    memset(&xwc, 0, sizeof(XWindowChanges));
-    xwc.x=x;
-    xwc.y=y;
-    XConfigureWindow(dpy, w, CWX|CWY, &xwc);
-    XSync(dpy, False);
-}
+    displayDispatchErrorHandlerEnable(1, env);
 
-static void NewtWindows_reparentWindow
-  (JNIEnv *env, jobject obj, 
-   Display * dpy, Screen * scrn, Window w, XWindowAttributes *xwa, jlong jparent, 
-   jint x, jint y, jboolean undecorated, jboolean isVisible)
-{
-    Window parent = (0!=jparent)?(Window)jparent:XRootWindowOfScreen(scrn);
+    topParentParent = NewtWindows_getParent (dpy, parent);
+    topParentWindow = NewtWindows_getParent (dpy, w);
 
-    DBG_PRINT( "X11: reparentWindow dpy %p, parent %p/%p, win %p, %d/%d undec %d\n", 
-        (void*)dpy, (void*) jparent, (void*)parent, (void*)w, x, y, undecorated);
+    DBG_PRINT( "X11: reconfigureWindow0 dpy %p, scrn %d/%p, parent %p/%p (top %p), win %p (top %p), %d/%d %dx%d visible %d, parentChange %d, fullscreenChange %d, decorationChange %d\n", 
+        (void*)dpy, screen_index, (void*)scrn, (void*) jparent, (void*)parent, (void*) topParentParent, (void*)w, (void*)topParentWindow,
+        x, y, width, height, isVisible, parentChange, fullscreenChange, decorationChange);
 
-    if(JNI_TRUE == isVisible) {
+    if(parentChange && JNI_TRUE == isVisible) { // unmap window if visible, reduce X11 internal signaling (WM unmap)
         XUnmapWindow(dpy, w);
         XSync(dpy, False);
     }
 
-    if(0 != jparent) {
-        // move into parent ..
-        NewtWindows_setDecorations (dpy, w, False);
-        XSync(dpy, False);
-        NewtWindows_setOverrideRedirect0 (dpy, w, xwa, True);
+    if(0 > fullscreenChange ) { // FS off
+        NewtWindows_setFullscreen(dpy, root, w, False );
         XSync(dpy, False);
     }
 
-    XReparentWindow( dpy, w, parent, x, y );
-    XSync(dpy, False);
-
-    if(0 == jparent) 
-    {
-        // move out of parent ..
-        NewtWindows_setOverrideRedirect0 (dpy, w, xwa, False);
-        XSync(dpy, False);
-        NewtWindows_setDecorations (dpy, w, (JNI_TRUE == undecorated) ? False : True);
+    if(parentChange) {
+        if(0 != jparent) { // move into parent ..
+            moveIntoParent = True;
+            NewtWindows_setDecorations (dpy, w, False);
+            XSync(dpy, False);
+        }
+        XReparentWindow( dpy, w, parent, x, y ); // actual reparent call
         XSync(dpy, False);
     }
 
-    if(JNI_TRUE == isVisible) {
-        XMapRaised(dpy, w);
+    if(!moveIntoParent && 0!=decorationChange) {
+        NewtWindows_setDecorations (dpy, w, (0 < decorationChange) ? True : False);
         XSync(dpy, False);
     }
 
-    DBG_PRINT( "X11: reparentWindow X\n");
-}
+    NewtWindows_setPosSize(dpy, w, x, y, width, height);
 
-/*
- * Class:     com_jogamp_newt_impl_x11_X11Window
- * Method:    reconfigureWindow0
- * Signature: (JJIJIIIIZ)V
- */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_reconfigureWindow0
-  (JNIEnv *env, jobject obj, jlong jparent, jlong display, jint screen_index, jlong window, 
-   jint x, jint y, jint width, jint height, jboolean undecorated, jboolean isVisible, jboolean isFullscreen) 
-{
-    Display * dpy = (Display *) (intptr_t) display;
-    Window w = (Window)window;
-    Screen * scrn = ScreenOfDisplay(dpy, (int)screen_index);
-
-    XWindowChanges xwc;
-    XWindowAttributes xwa;
-    
-    DBG_PRINT( "X11: reconfigureWindow0 dpy %p, parent %p, win %p, %d/%d %dx%d undec %d, visible %d, fullscreen %d\n", 
-        (void*)dpy, (void*) jparent, (void*)w, x, y, width, height, undecorated, isVisible,isFullscreen);
 
-    if(dpy==NULL) {
-        _FatalError(env, "invalid display connection..");
-    }
-
-    
-    XSync(dpy, False);
-    XGetWindowAttributes(dpy, w, &xwa);
-    
-    if(JNI_FALSE == isFullscreen ) {
-      NewtWindows_setFullscreen(dpy, w, False );
-      XSync(dpy, False);
+    if(0 < fullscreenChange ) { // FS on
+        NewtWindows_setFullscreen(dpy, root, w, True );
+        XSync(dpy, False);
     }
     
-    NewtWindows_reparentWindow(env, obj, dpy, scrn, w, &xwa, jparent, x, y, undecorated, isVisible);
-    XSync(dpy, False);
-
-    memset(&xwc, 0, sizeof(XWindowChanges));
-    xwc.x=x;
-    xwc.y=y;
-    xwc.width=width;
-    xwc.height=height;
-    XConfigureWindow(dpy, w, CWX|CWY|CWWidth|CWHeight, &xwc);
-    XSync(dpy, False);
-
-    if(JNI_TRUE == isFullscreen ) {
-      NewtWindows_setFullscreen(dpy, w, True );
-      XSync(dpy, False);
-    }
-}
-
-/*
- * Class:     com_jogamp_newt_impl_x11_X11Window
- * Method:    reparentWindow0
- * Signature: (JJIJIIZ)V
- */
-JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_reparentWindow0
-  (JNIEnv *env, jobject obj, jlong jparent, jlong display, jint screen_index, jlong window, jint x, jint y, 
-   jboolean undecorated, jboolean isVisible)
-{
-    Display * dpy = (Display *) (intptr_t) display;
-    Window w = (Window)window;
-    Screen * scrn = ScreenOfDisplay(dpy, (int)screen_index);
-    XWindowAttributes xwa;
-
-    DBG_PRINT( "X11: reparentWindow0 dpy %p, parent %p, win %p, %d/%d undec %d, visible %d\n", 
-        (void*)dpy, (void*) jparent, (void*)w, x, y, undecorated, isVisible);
-
-    if(dpy==NULL) {
-        _FatalError(env, "invalid display connection..");
+    if(parentChange && JNI_TRUE == isVisible) { // map window 
+        XMapRaised(dpy, w);
+        XSync(dpy, False);
     }
 
-    XSync(dpy, False);
-    XGetWindowAttributes(dpy, w, &xwa);
-
-    NewtWindows_reparentWindow(env, obj, dpy, scrn, w, &xwa, jparent, x, y, undecorated, isVisible);
-    XSync(dpy, False);
+    displayDispatchErrorHandlerEnable(0, env);
 
-    DBG_PRINT( "X11: reparentWindow0 X\n");
+    DBG_PRINT( "X11: reconfigureWindow0 X\n");
 }
 
 /*
@@ -1407,9 +1438,9 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_reparentWindow0
  * Signature: (JJ)V
  */
 JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_requestFocus0
-  (JNIEnv *env, jobject obj, jlong display, jlong window, jboolean bReparented)
+  (JNIEnv *env, jobject obj, jlong display, jlong window, jboolean force)
 {
-    NewtWindows_requestFocus ( env, obj, (Display *) (intptr_t) display, (Window)window, bReparented ) ;
+    NewtWindows_requestFocus ( env, obj, (Display *) (intptr_t) display, (Window)window, force ) ;
 }
 
 /*
@@ -1464,3 +1495,37 @@ JNIEXPORT void JNICALL Java_com_jogamp_newt_impl_x11_X11Window_setTitle0
 }
 
 
+
+/*
+ * Class:     com_jogamp_newt_impl_x11_X11Window
+ * Method:    getRelativeLocation0
+ * Signature: (JIJJII)Ljavax/media/nativewindow/util/Point;
+ */
+JNIEXPORT jobject JNICALL Java_com_jogamp_newt_impl_x11_X11Window_getRelativeLocation0
+  (JNIEnv *env, jobject obj, jlong jdisplay, jint screen_index, jlong jsrc_win, jlong jdest_win, jint src_x, jint src_y)
+{
+    Display * dpy = (Display *) (intptr_t) jdisplay;
+    Screen * scrn = ScreenOfDisplay(dpy, (int)screen_index);
+    Window root = XRootWindowOfScreen(scrn);
+    Window src_win = (Window)jsrc_win;
+    Window dest_win = (Window)jdest_win;
+    int dest_x=-1;
+    int dest_y=-1;
+    Window child;
+    Bool res;
+
+    if( 0 == jdest_win ) { dest_win = root; }
+    if( 0 == jsrc_win ) { src_win = root; }
+
+    displayDispatchErrorHandlerEnable(1, env);
+
+    res = XTranslateCoordinates(dpy, src_win, dest_win, src_x, src_y, &dest_x, &dest_y, &child);
+
+    displayDispatchErrorHandlerEnable(0, env);
+
+    DBG_PRINT( "X11: getRelativeLocation0: %p %d/%d -> %p %d/%d - ok: %d\n",
+        (void*)src_win, src_x, src_y, (void*)dest_win, dest_x, dest_y, (int)res);
+
+    return (*env)->NewObject(env, pointClz, pointCstr, (jint)dest_x, (jint)dest_y);
+}
+