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

21 files changed, 1632 insertions, 484 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
index e80079c20..0320c63ae 100644
--- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
+++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
@@ -29,10 +29,16 @@ package com.jogamp.opengl.swt;
 
 import java.util.List;
 
+import javax.media.nativewindow.AbstractGraphicsConfiguration;
 import javax.media.nativewindow.AbstractGraphicsDevice;
+import javax.media.nativewindow.AbstractGraphicsScreen;
+import javax.media.nativewindow.GraphicsConfigurationFactory;
 import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.NativeWindowException;
 import javax.media.nativewindow.ProxySurface;
 import javax.media.nativewindow.UpstreamSurfaceHook;
+import javax.media.nativewindow.VisualIDHolder;
+import javax.media.nativewindow.VisualIDHolder.VIDType;
 import javax.media.opengl.GL;
 import javax.media.opengl.GLAnimatorControl;
 import javax.media.opengl.GLAutoDrawable;
@@ -48,21 +54,20 @@ import javax.media.opengl.GLProfile;
 import javax.media.opengl.GLRunnable;
 import javax.media.opengl.Threading;
 
+import jogamp.nativewindow.x11.X11Util;
 import jogamp.opengl.Debug;
 import jogamp.opengl.GLContextImpl;
 import jogamp.opengl.GLDrawableHelper;
 import jogamp.opengl.GLDrawableImpl;
 
 import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.ControlAdapter;
-import org.eclipse.swt.events.ControlEvent;
-import org.eclipse.swt.events.PaintEvent;
-import org.eclipse.swt.events.PaintListener;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Canvas;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;
 
 import com.jogamp.common.GlueGenVersion;
@@ -71,13 +76,14 @@ import com.jogamp.common.util.VersionUtil;
 import com.jogamp.common.util.locks.LockFactory;
 import com.jogamp.common.util.locks.RecursiveLock;
 import com.jogamp.nativewindow.swt.SWTAccessor;
+import com.jogamp.nativewindow.x11.X11GraphicsDevice;
 import com.jogamp.opengl.JoglVersion;
 
 /**
  * Native SWT Canvas implementing GLAutoDrawable
- * 
- * <p>Note: To employ custom GLCapabilities, NewtCanvasSWT shall be used instead.</p>
- * 
+ * <p>
+ * Implementation allows use of custom {@link GLCapabilities}.
+ * </p>
  */
 public class GLCanvas extends Canvas implements GLAutoDrawable {
   private static final boolean DEBUG = Debug.debug("GLCanvas");
@@ -101,11 +107,15 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
    private final GLCapabilitiesImmutable capsRequested;
    private final GLCapabilitiesChooser capsChooser; 
    
+   private volatile Rectangle clientArea;
    private volatile GLDrawableImpl drawable; // volatile: avoid locking for read-only access
-   private GLContextImpl context;
+   private volatile GLContextImpl context;
 
    /* Native window surface */
-   private AbstractGraphicsDevice device;
+   private final boolean useX11GTK;
+   private volatile long gdkWindow; // either GDK child window ..
+   private volatile long x11Window; // .. or X11 child window (for GL rendering)
+   private final AbstractGraphicsScreen screen;
 
    /* Construction parameters stored for GLAutoDrawable accessor methods */
    private int additionalCtxCreationFlags = 0;
@@ -133,7 +143,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
       @Override
       public void run() {
          if (sendReshape) {
-            helper.reshape(GLCanvas.this, 0, 0, getWidth(), getHeight());
+            helper.reshape(GLCanvas.this, 0, 0, clientArea.width, clientArea.height);
             sendReshape = false;
          }
          helper.display(GLCanvas.this);
@@ -141,13 +151,15 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
    };
 
    /* Action to make specified context current prior to running displayAction */
-   private final Runnable makeCurrentAndDisplayOnEDTAction = new Runnable() {
+   private final Runnable makeCurrentAndDisplayOnGLAction = new Runnable() {
       @Override
       public void run() {
         final RecursiveLock _lock = lock;
         _lock.lock();
-        try {            
-            helper.invokeGL(drawable, context, displayAction, initAction);
+        try {        
+            if( !GLCanvas.this.isDisposed() ) {
+                helper.invokeGL(drawable, context, displayAction, initAction);
+            }
         } finally {
             _lock.unlock();
         }
@@ -155,13 +167,14 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
    };
 
    /* Swaps buffers, assuming the GLContext is current */
-   private final Runnable swapBuffersOnEDTAction = new Runnable() {
+   private final Runnable swapBuffersOnGLAction = new Runnable() {
       @Override
       public void run() {
         final RecursiveLock _lock = lock;
         _lock.lock();
         try {
-            if(null != drawable) {
+            final boolean drawableOK = null != drawable && drawable.isRealized();
+            if( drawableOK && !GLCanvas.this.isDisposed() ) {
                 drawable.swapBuffers();
             }
         } finally {
@@ -193,7 +206,11 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
                      // Catch dispose GLExceptions by GLEventListener, just 'print' them
                      // so we can continue with the destruction.
                      try {
-                         helper.disposeGL(GLCanvas.this, context);
+                         if( !GLCanvas.this.isDisposed() ) {
+                             helper.disposeGL(GLCanvas.this, context);
+                         } else {
+                             context.destroy();
+                         }
                      } catch (GLException gle) {
                          gle.printStackTrace();
                      }
@@ -204,13 +221,14 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
                  drawable.setRealized(false);
                  drawable = null;
              }
-             // SWT is owner of the device handle, not us.
-             // Hence close() operation is a NOP. 
-             if (null != device) {
-                 device.close();
-                 device = null;
+             if( 0 != x11Window) {
+                 SWTAccessor.destroyX11Window(screen.getDevice(), x11Window);
+                 x11Window = 0;
+             } else if( 0 != gdkWindow) {
+                 SWTAccessor.destroyGDKWindow(gdkWindow);
+                 gdkWindow = 0;
              }
-             SWTAccessor.setRealized(GLCanvas.this, false); // unrealize ..
+             screen.getDevice().close();
 
              if (animatorPaused) {
                  animator.resume();
@@ -235,18 +253,15 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
            final RecursiveLock _lock = lock;
            _lock.lock();
            try {
-               listener = helper.disposeGLEventListener(GLCanvas.this, drawable, context, listener, remove);
+               if( !GLCanvas.this.isDisposed() ) {
+                   listener = helper.disposeGLEventListener(GLCanvas.this, drawable, context, listener, remove);
+               }
            } finally {
                _lock.unlock();
            }
        }
    };
    
-   /**
-    * Storage for the client area rectangle so that it may be accessed from outside of the SWT thread.
-    */
-   private volatile Rectangle clientArea;
-
    /** 
     * Creates an instance using {@link #GLCanvas(Composite, int, GLCapabilitiesImmutable, GLCapabilitiesChooser, GLContext)} 
     * on the SWT thread.
@@ -286,61 +301,80 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
     * @param style
     *           Optional SWT style bit-field. The {@link SWT#NO_BACKGROUND} bit is set before passing this up to the
     *           Canvas constructor, so OpenGL handles the background.
-    * @param caps
+    * @param capsReqUser
     *           Optional GLCapabilities. If not provided, the default capabilities for the default GLProfile for the
     *           graphics device determined by the parent Composite are used. Note that the GLCapabilities that are
     *           actually used may differ based on the capabilities of the graphics device.
-    * @param chooser
+    * @param capsChooser
     *           Optional GLCapabilitiesChooser to customize the selection of the used GLCapabilities based on the
     *           requested GLCapabilities, and the available capabilities of the graphics device.
     * @param shareWith
     *           Optional GLContext to share state (textures, vbos, shaders, etc.) with.
     */
-   public GLCanvas(final Composite parent, final int style, GLCapabilitiesImmutable caps,
-                   final GLCapabilitiesChooser chooser, final GLContext shareWith) {
+   public GLCanvas(final Composite parent, final int style, GLCapabilitiesImmutable capsReqUser,
+                   final GLCapabilitiesChooser capsChooser, final GLContext shareWith) {
       /* NO_BACKGROUND required to avoid clearing bg in native SWT widget (we do this in the GL display) */
       super(parent, style | SWT.NO_BACKGROUND);
 
       GLProfile.initSingleton(); // ensure JOGL is completly initialized
 
       SWTAccessor.setRealized(this, true);
-
+      
       clientArea = GLCanvas.this.getClientArea();
 
       /* Get the nativewindow-Graphics Device associated with this control (which is determined by the parent Composite). 
        * Note: SWT is owner of the native handle, hence closing operation will be a NOP. */
-      device = SWTAccessor.getDevice(this);
+      final AbstractGraphicsDevice swtDevice = SWTAccessor.getDevice(this);
+      
+      useX11GTK = SWTAccessor.useX11GTK();
+      if(useX11GTK) {
+          // Decoupled X11 Device/Screen allowing X11 display lock-free off-thread rendering 
+          final long x11DeviceHandle = X11Util.openDisplay(swtDevice.getConnection());
+          if( 0 == x11DeviceHandle ) {
+              throw new RuntimeException("Error creating display(EDT): "+swtDevice.getConnection());
+          }
+          final AbstractGraphicsDevice x11Device = new X11GraphicsDevice(x11DeviceHandle, AbstractGraphicsDevice.DEFAULT_UNIT, true /* owner */);
+          screen = SWTAccessor.getScreen(x11Device, -1 /* default */);          
+      } else {
+          screen = SWTAccessor.getScreen(swtDevice, -1 /* default */);
+      }
 
       /* Select default GLCapabilities if none was provided, otherwise clone provided caps to ensure safety */
-      if(null == caps) {
-          caps = new GLCapabilities(GLProfile.getDefault(device));
+      if(null == capsReqUser) {
+          capsReqUser = new GLCapabilities(GLProfile.getDefault(screen.getDevice()));
       }
-      this.capsRequested = caps;
-      this.capsChooser = chooser;
+            
+      this.capsRequested = capsReqUser;
+      this.capsChooser = capsChooser;
       this.shareWith = shareWith;
 
       // post create .. when ready
+      gdkWindow = 0;
+      x11Window = 0;
       drawable = null;
       context = null;
       
-      /* Register SWT listeners (e.g. PaintListener) to render/resize GL surface. */
-      /* TODO: verify that these do not need to be manually de-registered when destroying the SWT component */
-      addPaintListener(new PaintListener() {
-         @Override
-        public void paintControl(final PaintEvent arg0) {
-            if ( !helper.isAnimatorAnimatingOnOtherThread() ) {                
-               display(); // checks: null != drawable
-            }
-         }
-      });
-
-      addControlListener(new ControlAdapter() {
-         @Override
-         public void controlResized(final ControlEvent arg0) {
-            updateSizeCheck();
-         }
-      });
+      final Listener listener = new Listener () {
+          @Override
+          public void handleEvent (Event event) {
+              switch (event.type) {
+              case SWT.Paint:
+                  displayIfNoAnimatorNoCheck();
+                  break;
+              case SWT.Resize:
+                  updateSizeCheck();
+                  break;
+              case SWT.Dispose:
+                  GLCanvas.this.dispose();
+                  break;
+              }
+          }
+      };
+      addListener (SWT.Resize, listener);
+      addListener (SWT.Paint, listener);
+      addListener (SWT.Dispose, listener);
    }
+   
    private final UpstreamSurfaceHook swtCanvasUpStreamHook = new UpstreamSurfaceHook() {
        @Override
        public final void create(ProxySurface s) { /* nop */ }
@@ -372,11 +406,13 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
          ) {
           clientArea = nClientArea; // write back new value
           
-          GLDrawableImpl _drawable = drawable;
-          if( null != _drawable ) {
-              if(DEBUG) {
-                  System.err.println("GLCanvas.sizeChanged: ("+Thread.currentThread().getName()+"): "+nClientArea.width+"x"+nClientArea.height+" - surfaceHandle 0x"+Long.toHexString(getNativeSurface().getSurfaceHandle()));
-              }
+          final GLDrawableImpl _drawable = drawable;
+          final boolean drawableOK = null != _drawable && _drawable.isRealized();
+          if(DEBUG) {
+              final long dh = drawableOK ? _drawable.getHandle() : 0;
+              System.err.println("GLCanvas.sizeChanged: ("+Thread.currentThread().getName()+"): "+nClientArea.x+"/"+nClientArea.y+" "+nClientArea.width+"x"+nClientArea.height+" - drawableHandle 0x"+Long.toHexString(dh));
+          }
+          if( drawableOK ) {
               if( ! _drawable.getChosenGLCapabilities().isOnscreen() ) {
                   final RecursiveLock _lock = lock;
                   _lock.lock();
@@ -389,66 +425,154 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
                   } finally {
                       _lock.unlock();
                   }
-                  sendReshape = true; // async if display() doesn't get called below, but avoiding deadlock
-              }
-          }          
+              }              
+          }    
+          if(0 != x11Window) {
+              SWTAccessor.resizeX11Window(screen.getDevice(), clientArea, x11Window);
+          } else if(0 != gdkWindow) {
+              SWTAccessor.resizeGDKWindow(clientArea, gdkWindow);
+          }
+          sendReshape = true; // async if display() doesn't get called below, but avoiding deadlock
       }
    }
    
-   @Override
-   public void display() {
-      if( null != drawable || validateDrawableAndContext() ) {
-          runInGLThread(makeCurrentAndDisplayOnEDTAction);
-      }
+   private boolean isValidAndVisibleOnEDTActionResult;
+   private final Runnable isValidAndVisibleOnEDTAction = new Runnable() {
+       @Override
+       public void run() {           
+           isValidAndVisibleOnEDTActionResult = !GLCanvas.this.isDisposed() && GLCanvas.this.isVisible();
+       } };
+       
+   private final boolean isValidAndVisibleOnEDT() {
+       synchronized(isValidAndVisibleOnEDTAction) {
+           runOnEDTIfAvail(true, isValidAndVisibleOnEDTAction);
+           return isValidAndVisibleOnEDTActionResult;
+       }
    }
-
    
-   /** assumes drawable == null ! */
-   protected final boolean validateDrawableAndContext() {
-      if( GLCanvas.this.isDisposed() ) {
+   /** assumes drawable == null || !drawable.isRealized() !  Checks of !isDispose() and isVisible() */
+   protected final boolean validateDrawableAndContextWithCheck() {
+      if( !isValidAndVisibleOnEDT() ) {
           return false;
       }
+      return validateDrawableAndContextPostCheck();       
+   }
+   
+   /** assumes drawable == null || !drawable.isRealized() ! No check of !isDispose() and isVisible() */
+   protected final boolean validateDrawableAndContextPostCheck() {
       final Rectangle nClientArea = clientArea;
       if(0 >= nClientArea.width || 0 >= nClientArea.height) {
           return false;
       }
                
+      final boolean res;
       final RecursiveLock _lock = lock;
       _lock.lock();
       try {
-          final GLDrawableFactory glFactory = GLDrawableFactory.getFactory(capsRequested.getGLProfile());
-    
-          /* Native handle for the control, used to associate with GLContext */
-          final long nativeWindowHandle = SWTAccessor.getWindowHandle(this);
-          
-          /* Create a NativeWindow proxy for the SWT canvas */
-          ProxySurface proxySurface = null;
-          try {
-              proxySurface = glFactory.createProxySurface(device, 0 /* screenIdx */, nativeWindowHandle, 
-                                                          capsRequested, capsChooser, swtCanvasUpStreamHook);
-          } catch (GLException gle) {
-              // not ready yet ..
-              if(DEBUG) { System.err.println(gle.getMessage()); }
+          if(null == drawable) {
+              createDrawableAndContext();
           }
-          
-          if(null != proxySurface) {
-              /* Associate a GL surface with the proxy */
-              drawable = (GLDrawableImpl) glFactory.createGLDrawable(proxySurface);
+          if(null != drawable) {
               drawable.setRealized(true);
-        
-              context = (GLContextImpl) drawable.createContext(shareWith);
+              res = drawable.isRealized();
+          } else {
+              res = false;
           }
       } finally {
           _lock.unlock();
+      }  
+            
+      if(res) {
+          sendReshape = true;
+          if(DEBUG) {
+              System.err.println("SWT GLCanvas realized! "+this+", "+drawable);
+              // Thread.dumpStack();
+          }          
       }
-      final boolean res = null != drawable;
-      if(DEBUG && res) {
-          System.err.println("SWT GLCanvas realized! "+this+", "+drawable);
-          Thread.dumpStack();
-      }
-      return res;
+      return res;      
    }
    
+   private final void createDrawableAndContext() {
+       final AbstractGraphicsDevice device = screen.getDevice();
+       device.open();
+
+       final long nativeWindowHandle;
+       if( useX11GTK ) {
+           final GraphicsConfigurationFactory factory = GraphicsConfigurationFactory.getFactory(device, capsRequested);
+           final AbstractGraphicsConfiguration cfg = factory.chooseGraphicsConfiguration(
+                   capsRequested, capsRequested, capsChooser, screen, VisualIDHolder.VID_UNDEFINED);
+           if(DEBUG) {
+               System.err.println("SWT.GLCanvas.X11 factory: "+factory+", chosen config: "+cfg);
+           }        
+           if (null == cfg) {
+               throw new NativeWindowException("Error choosing GraphicsConfiguration creating window: "+this);
+           }
+           final int visualID = cfg.getVisualID(VIDType.NATIVE);
+           if( VisualIDHolder.VID_UNDEFINED != visualID ) {
+               // gdkWindow = SWTAccessor.createCompatibleGDKChildWindow(this, visualID, clientArea.width, clientArea.height);
+               // nativeWindowHandle = SWTAccessor.gdk_window_get_xwindow(gdkWindow); 
+               x11Window = SWTAccessor.createCompatibleX11ChildWindow(screen, this, visualID, clientArea.width, clientArea.height);
+               nativeWindowHandle = x11Window;
+           } else {
+              throw new GLException("Could not choose valid visualID: 0x"+Integer.toHexString(visualID)+", "+this);
+           }
+       } else {
+           nativeWindowHandle = SWTAccessor.getWindowHandle(this);
+       }
+       final GLDrawableFactory glFactory = GLDrawableFactory.getFactory(capsRequested.getGLProfile());
+       
+       // Create a NativeWindow proxy for the SWT canvas
+       ProxySurface proxySurface = glFactory.createProxySurface(device, screen.getIndex(), nativeWindowHandle, 
+                                                                capsRequested, capsChooser, swtCanvasUpStreamHook);
+       // Associate a GL surface with the proxy
+       drawable = (GLDrawableImpl) glFactory.createGLDrawable(proxySurface);
+       context = (GLContextImpl) drawable.createContext(shareWith);
+       context.setContextCreationFlags(additionalCtxCreationFlags);       
+   }
+   
+   @Override
+   public void update() {
+       // don't paint background etc .. nop avoids flickering
+       // super.update();
+   }
+
+   /**
+   @Override
+   public boolean forceFocus() {
+       final boolean r = super.forceFocus();
+       if(r && 0 != gdkWindow) {
+           SWTGTKUtil.focusGDKWindow(gdkWindow);
+       }
+       return r;       
+   } */
+   
+   @Override
+   public void dispose() {
+     runInGLThread(disposeOnEDTGLAction);
+     super.dispose();          
+   }
+
+   private final void displayIfNoAnimatorNoCheck() {
+       if ( !helper.isAnimatorAnimatingOnOtherThread() ) {
+           final boolean drawableOK = null != drawable && drawable.isRealized();
+           if( drawableOK || validateDrawableAndContextPostCheck() ) {
+               runInGLThread(makeCurrentAndDisplayOnGLAction);
+           }                
+       }
+   }
+   
+   //
+   // GL[Auto]Drawable
+   //
+   
+   @Override
+   public void display() {
+      final boolean drawableOK = null != drawable && drawable.isRealized();
+      if( drawableOK || validateDrawableAndContextWithCheck() ) {
+          runInGLThread(makeCurrentAndDisplayOnGLAction);
+      }
+   }
+
    @Override
    public final Object getUpstreamWidget() {
        return this;
@@ -674,18 +798,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
 
    @Override
    public void swapBuffers() throws GLException {
-      runInGLThread(swapBuffersOnEDTAction);
-   }
-
-   @Override
-   public void update() {
-      // don't paint background etc .. nop avoids flickering
-   }
-
-   @Override
-   public void dispose() {
-      runInGLThread(disposeOnEDTGLAction);
-      super.dispose();
+      runInGLThread(swapBuffersOnGLAction);
    }
 
    /**
@@ -694,24 +807,66 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
     *   <li>Mac OSX
     *   <ul>
     *     <!--li>AWT EDT: In case AWT is available, the AWT EDT is the OSX UI main thread</li-->
-    *     <li><i>Main Thread</i>: Run on OSX UI main thread.</li>
+    *     <!--li><i>Main Thread</i>: Run on OSX UI main thread.</li-->
+    *     <li>Current thread</li>
     *   </ul></li>
     *   <li>Linux, Windows, ..
     *   <ul>
-    *     <li>Use {@link Threading#invokeOnOpenGLThread(boolean, Runnable)}</li>
+    *     <!--li>Use {@link Threading#invokeOnOpenGLThread(boolean, Runnable)}</li-->
+    *     <li>Current thread</li>
     *   </ul></li>  
     * </ul>
+    * The current thread seems to be valid for all platforms, 
+    * since no SWT lifecycle tasks are being performed w/ this call.
+    * Only GL task, which are independent from the SWT threading model.
+    *   
     * @see Platform#AWT_AVAILABLE
     * @see Platform#getOSType()
     */
-   private static void runInGLThread(final Runnable action) {
+   private void runInGLThread(final Runnable action) {
+      /**
       if(Platform.OSType.MACOS == Platform.OS_TYPE) {
           SWTAccessor.invoke(true, action);
       } else {
           Threading.invokeOnOpenGLThread(true, action);
-      }
+      } */
+      /**
+      if( !isDisposed() ) {
+          final Display d = getDisplay();
+          if( d.getThread() == Thread.currentThread() ) {
+              action.run();
+          } else {
+              d.syncExec(action);
+          }
+      } */
+      action.run();
+   }
+   
+   private void runOnEDTIfAvail(boolean wait, final Runnable action) {       
+       final Display d = isDisposed() ? null : getDisplay();
+       if( null == d || d.isDisposed() || d.getThread() == Thread.currentThread() ) {
+           action.run();
+       } else if(wait) {
+           d.syncExec(action);
+       } else {
+           d.asyncExec(action);
+       }
    }
 
+   @Override
+   public String toString() {
+       final GLDrawable _drawable = drawable;
+       final int dw = (null!=_drawable) ? _drawable.getWidth() : -1;
+       final int dh = (null!=_drawable) ? _drawable.getHeight() : -1;
+
+       return "SWT-GLCanvas[Realized "+isRealized()+
+               ",\n\t"+((null!=_drawable)?_drawable.getClass().getName():"null-drawable")+
+               ",\n\tFactory   "+getFactory()+
+               ",\n\thandle    0x"+Long.toHexString(getHandle())+
+               ",\n\tDrawable size "+dw+"x"+dh+
+               ",\n\tSWT size "+getWidth()+"x"+getHeight()+"]";
+   }
+   
    public static void main(final String[] args) {
        System.err.println(VersionUtil.getPlatformInfo());
        System.err.println(GlueGenVersion.getInstance());
diff --git a/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java b/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java
index 1a18b3432..0f8b6b816 100644
--- a/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java
+++ b/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java
@@ -890,35 +890,38 @@ public class GLDrawableHelper {
         }
     }
     int res = GLContext.CONTEXT_NOT_CURRENT;
-  
+    
     try {
-      res = context.makeCurrent();
-      if (GLContext.CONTEXT_NOT_CURRENT != res) {
-        perThreadInitAction.set(initAction);
-        if (GLContext.CONTEXT_CURRENT_NEW == res) {
-          if (DEBUG) {
-            System.err.println("GLDrawableHelper " + this + ".invokeGL(): Running initAction");
-          }
-          initAction.run();
-        }
-        runnable.run();
-        if ( autoSwapBufferMode ) {
-            drawable.swapBuffers();
+        res = context.makeCurrent();
+        if (GLContext.CONTEXT_NOT_CURRENT != res) {
+            try {
+                perThreadInitAction.set(initAction);
+                if (GLContext.CONTEXT_CURRENT_NEW == res) {
+                    if (DEBUG) {
+                        System.err.println("GLDrawableHelper " + this + ".invokeGL(): Running initAction");
+                    }
+                    initAction.run();
+                }
+                runnable.run();
+                if ( autoSwapBufferMode ) {
+                    drawable.swapBuffers();
+                }
+            } finally {
+                try {
+                    context.release();
+                } catch (Exception e) {
+                    System.err.println("Catched: "+e.getMessage());
+                    e.printStackTrace();
+                }
+            }
         }
-      }
     } finally {
-      try {
-          context.release();
-      } catch (Exception e) {
-          System.err.println("Catched: "+e.getMessage());
-          e.printStackTrace();
-      }
-      if (lastContext != null) {
-        final int res2 = lastContext.makeCurrent();
-        if (null != lastInitAction && res2 == GLContext.CONTEXT_CURRENT_NEW) {
-          lastInitAction.run();
+        if (lastContext != null) {
+            final int res2 = lastContext.makeCurrent();
+            if (null != lastInitAction && res2 == GLContext.CONTEXT_CURRENT_NEW) {
+                lastInitAction.run();
+            }
         }
-      }
     }
   }
   
diff --git a/src/nativewindow/classes/com/jogamp/nativewindow/swt/SWTAccessor.java b/src/nativewindow/classes/com/jogamp/nativewindow/swt/SWTAccessor.java
index fca132f3f..eba26c7d3 100644
--- a/src/nativewindow/classes/com/jogamp/nativewindow/swt/SWTAccessor.java
+++ b/src/nativewindow/classes/com/jogamp/nativewindow/swt/SWTAccessor.java
@@ -34,6 +34,7 @@ import java.security.AccessController;
 import java.security.PrivilegedAction;
 
 import org.eclipse.swt.graphics.GCData;
+import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.widgets.Control;
 
 import javax.media.nativewindow.AbstractGraphicsScreen;
@@ -44,6 +45,7 @@ import javax.media.nativewindow.NativeWindowFactory;
 import javax.media.nativewindow.VisualIDHolder;
 
 import com.jogamp.common.util.ReflectionUtil;
+import com.jogamp.common.util.VersionNumber;
 import com.jogamp.nativewindow.macosx.MacOSXGraphicsDevice;
 import com.jogamp.nativewindow.windows.WindowsGraphicsDevice;
 import com.jogamp.nativewindow.x11.X11GraphicsDevice;
@@ -53,53 +55,93 @@ import jogamp.nativewindow.macosx.OSXUtil;
 import jogamp.nativewindow.x11.X11Lib;
 
 public class SWTAccessor {
-    static final Field swt_control_handle;
-    static final boolean swt_uses_long_handles;
+    private static final boolean DEBUG = true;
+    
+    private static final Field swt_control_handle;
+    private static final boolean swt_uses_long_handles;
+    
+    private static Object swt_osx_init = new Object(); 
+    private static Field swt_osx_control_view = null;
+    private static Field swt_osx_view_id = null;
+    
+    private static final String nwt;
+    private static final boolean isOSX;
+    private static final boolean isWindows;
+    private static final boolean isX11;
+    private static final boolean isX11GTK;
     
     // X11/GTK, Windows/GDI, ..
-    static final String str_handle = "handle";
+    private static final String str_handle = "handle";
     
     // OSX/Cocoa
-    static final String str_view = "view";  // OSX
-    static final String str_id = "id";    // OSX
+    private static final String str_osx_view = "view";  // OSX
+    private static final String str_osx_id = "id";    // OSX
     // static final String str_NSView = "org.eclipse.swt.internal.cocoa.NSView";
     
-    static final Method swt_control_internal_new_GC;
-    static final Method swt_control_internal_dispose_GC;
-    static final String str_internal_new_GC = "internal_new_GC";
-    static final String str_internal_dispose_GC = "internal_dispose_GC";
+    private static final Method swt_control_internal_new_GC;
+    private static final Method swt_control_internal_dispose_GC;
+    private static final String str_internal_new_GC = "internal_new_GC";
+    private static final String str_internal_dispose_GC = "internal_dispose_GC";
 
-    static final String str_OS_gtk_class = "org.eclipse.swt.internal.gtk.OS";
-    static final Class<?> OS_gtk_class;
-    static final Method OS_gtk_widget_realize;
-    static final Method OS_gtk_widget_unrealize; // optional (removed in SWT 4.3)
-    static final Method OS_GTK_WIDGET_WINDOW;
-    static final Method OS_gdk_x11_drawable_get_xdisplay;
-    static final Method OS_gdk_x11_drawable_get_xid;    
-    static final String str_gtk_widget_realize = "gtk_widget_realize";
-    static final String str_gtk_widget_unrealize = "gtk_widget_unrealize";
-    static final String str_GTK_WIDGET_WINDOW = "GTK_WIDGET_WINDOW";
-    static final String str_gdk_x11_drawable_get_xdisplay = "gdk_x11_drawable_get_xdisplay";
-    static final String str_gdk_x11_drawable_get_xid = "gdk_x11_drawable_get_xid";
+    private static final String str_OS_gtk_class = "org.eclipse.swt.internal.gtk.OS";
+    public static final Class<?> OS_gtk_class;
+    private static final String str_OS_gtk_version = "GTK_VERSION";
+    public static final VersionNumber OS_gtk_version;
+    
+    private static final Method OS_gtk_widget_realize;
+    private static final Method OS_gtk_widget_unrealize; // optional (removed in SWT 4.3)
+    private static final Method OS_GTK_WIDGET_WINDOW;
+    private static final Method OS_gtk_widget_get_window;
+    private static final Method OS_gdk_x11_drawable_get_xdisplay;
+    private static final Method OS_gdk_x11_display_get_xdisplay;
+    private static final Method OS_gdk_window_get_display;    
+    private static final Method OS_gdk_x11_drawable_get_xid;  
+    private static final Method OS_gdk_x11_window_get_xid;
+    private static final Method OS_gdk_window_set_back_pixmap;
+    
+    private static final String str_gtk_widget_realize = "gtk_widget_realize";
+    private static final String str_gtk_widget_unrealize = "gtk_widget_unrealize";
+    private static final String str_GTK_WIDGET_WINDOW = "GTK_WIDGET_WINDOW";
+    private static final String str_gtk_widget_get_window = "gtk_widget_get_window";
+    private static final String str_gdk_x11_drawable_get_xdisplay = "gdk_x11_drawable_get_xdisplay";
+    private static final String str_gdk_x11_display_get_xdisplay = "gdk_x11_display_get_xdisplay";
+    private static final String str_gdk_window_get_display = "gdk_window_get_display";
+    private static final String str_gdk_x11_drawable_get_xid = "gdk_x11_drawable_get_xid";
+    private static final String str_gdk_x11_window_get_xid = "gdk_x11_window_get_xid";
+    private static final String str_gdk_window_set_back_pixmap = "gdk_window_set_back_pixmap";
+    
+    private static final VersionNumber GTK_VERSION_2_14_0 = new VersionNumber(2, 14, 0);
+    private static final VersionNumber GTK_VERSION_2_24_0 = new VersionNumber(2, 24, 0);
+    private static final VersionNumber GTK_VERSION_3_0_0  = new VersionNumber(3,  0, 0);
+    
+    private static VersionNumber GTK_VERSION(int version) {
+        // return (major << 16) + (minor << 8) + micro;
+        final int micro = ( version       ) & 0x0f;
+        final int minor = ( version >>  8 ) & 0x0f;
+        final int major = ( version >> 16 ) & 0x0f;
+        return new VersionNumber(major, minor, micro);
+    }
     
     static {
-        Field f = null;
-        
         AccessController.doPrivileged(new PrivilegedAction<Object>() {
             public Object run() {
                 NativeWindowFactory.initSingleton(); // last resort ..
                 return null;
             } } );
         
-        final String nwt = NativeWindowFactory.getNativeWindowType(false);
-
-        if(NativeWindowFactory.TYPE_MACOSX != nwt ) {
+        nwt = NativeWindowFactory.getNativeWindowType(false);
+        isOSX = NativeWindowFactory.TYPE_MACOSX == nwt;
+        isWindows = NativeWindowFactory.TYPE_WINDOWS == nwt;
+        isX11 = NativeWindowFactory.TYPE_X11 == nwt;
+        
+        Field f = null;        
+        if( !isOSX ) {
             try {
                 f = Control.class.getField(str_handle);
             } catch (Exception ex) {
                 throw new NativeWindowException(ex);
             }
-        }        
+        }
         swt_control_handle = f; // maybe null !
         
         boolean ulh;
@@ -131,17 +173,34 @@ public class SWTAccessor {
         }
         swt_control_internal_dispose_GC = m;
 
-        Class<?> c=null;                
-        Method m1=null, m2=null, m3=null, m4=null, m5=null;
-        Class<?> handleType = swt_uses_long_handles  ? long.class : int.class ;
-        if( NativeWindowFactory.TYPE_X11 == nwt ) {
+        Class<?> c=null;
+        VersionNumber _gtk_version = new VersionNumber(0, 0, 0);
+        Method m1=null, m2=null, m3=null, m4=null, m5=null, m6=null, m7=null, m8=null, m9=null, ma=null;
+        final Class<?> handleType = swt_uses_long_handles  ? long.class : int.class ;
+        if( isX11 ) {
             // mandatory
             try {
                 c = ReflectionUtil.getClass(str_OS_gtk_class, false, SWTAccessor.class.getClassLoader());
+                Field field_OS_gtk_version = c.getField(str_OS_gtk_version);
+                _gtk_version = GTK_VERSION(field_OS_gtk_version.getInt(null));
                 m1 = c.getDeclaredMethod(str_gtk_widget_realize, handleType);        
-                m3 = c.getDeclaredMethod(str_GTK_WIDGET_WINDOW, handleType);
-                m4 = c.getDeclaredMethod(str_gdk_x11_drawable_get_xdisplay, handleType);
-                m5 = c.getDeclaredMethod(str_gdk_x11_drawable_get_xid, handleType);
+                if (_gtk_version.compareTo(GTK_VERSION_2_14_0) >= 0) {
+                    m4 = c.getDeclaredMethod(str_gtk_widget_get_window, handleType);
+                } else {
+                    m3 = c.getDeclaredMethod(str_GTK_WIDGET_WINDOW, handleType);
+                }
+                if (_gtk_version.compareTo(GTK_VERSION_2_24_0) >= 0) {
+                    m6 = c.getDeclaredMethod(str_gdk_x11_display_get_xdisplay, handleType);
+                    m7 = c.getDeclaredMethod(str_gdk_window_get_display, handleType);                                
+                } else {
+                    m5 = c.getDeclaredMethod(str_gdk_x11_drawable_get_xdisplay, handleType);                
+                }
+                if (_gtk_version.compareTo(GTK_VERSION_3_0_0) >= 0) {
+                    m9 = c.getDeclaredMethod(str_gdk_x11_window_get_xid, handleType);
+                } else {
+                    m8 = c.getDeclaredMethod(str_gdk_x11_drawable_get_xid, handleType);
+                }
+                ma = c.getDeclaredMethod(str_gdk_window_set_back_pixmap, handleType, handleType, boolean.class);
             } catch (Exception ex) { throw new NativeWindowException(ex); }
             // optional 
             try {
@@ -149,25 +208,41 @@ public class SWTAccessor {
             } catch (Exception ex) { }
         }
         OS_gtk_class = c;
+        OS_gtk_version = _gtk_version;
         OS_gtk_widget_realize = m1;
         OS_gtk_widget_unrealize = m2;
         OS_GTK_WIDGET_WINDOW = m3;
-        OS_gdk_x11_drawable_get_xdisplay = m4;
-        OS_gdk_x11_drawable_get_xid = m5;
+        OS_gtk_widget_get_window = m4;
+        OS_gdk_x11_drawable_get_xdisplay = m5;
+        OS_gdk_x11_display_get_xdisplay = m6;
+        OS_gdk_window_get_display = m7;    
+        OS_gdk_x11_drawable_get_xid = m8;
+        OS_gdk_x11_window_get_xid = m9;
+        OS_gdk_window_set_back_pixmap = ma;
+        
+        isX11GTK = isX11 && null != OS_gtk_class;
+        
+        if(DEBUG) {
+            System.err.println("SWTAccessor.<init>: GTK Version: "+OS_gtk_version);
+        }
     }
-
-    static Object getIntOrLong(long arg) {
+        
+    private static Number getIntOrLong(long arg) {
         if(swt_uses_long_handles) {
             return new Long(arg);
         }
         return new Integer((int) arg);
     }
     
-    static void callStaticMethodL2V(Method m, long arg) {        
+    private static void callStaticMethodL2V(Method m, long arg) {        
         ReflectionUtil.callMethod(null, m, new Object[] { getIntOrLong(arg) });
     }
     
-    static long callStaticMethodL2L(Method m, long arg) {
+    private static void callStaticMethodLLZ2V(Method m, long arg0, long arg1, boolean arg3) {        
+        ReflectionUtil.callMethod(null, m, new Object[] { getIntOrLong(arg0), getIntOrLong(arg1), Boolean.valueOf(arg3) });
+    }
+    
+    private static long callStaticMethodL2L(Method m, long arg) {
         Object o = ReflectionUtil.callMethod(null, m, new Object[] { getIntOrLong(arg) });
         if(o instanceof Number) {
             return ((Number)o).longValue();
@@ -175,33 +250,114 @@ public class SWTAccessor {
             throw new InternalError("SWT method "+m.getName()+" didn't return int or long but "+o.getClass());
         }
     }
-        
+
+    //
+    // Public properties
+    //
+    
     public static boolean isUsingLongHandles() {
         return swt_uses_long_handles;
     }
 
-    public static long getHandle(Control swtControl) {
+    public static boolean useX11GTK() { return isX11GTK; }
+    public static VersionNumber GTK_VERSION() { return OS_gtk_version; }
+    
+    //
+    // Common GTK
+    //
+    
+    public static long gdk_widget_get_window(long handle) {
+        final long window;
+        if (OS_gtk_version.compareTo(GTK_VERSION_2_14_0) >= 0) {
+            window = callStaticMethodL2L(OS_gtk_widget_get_window, handle);
+        } else {
+            window = callStaticMethodL2L(OS_GTK_WIDGET_WINDOW, handle);
+        }
+        if(0 == window) {
+            throw new NativeWindowException("Null gtk-window-handle of SWT handle 0x"+Long.toHexString(handle));
+        }
+        return window;
+    }
+    
+    public static long gdk_window_get_xdisplay(long window) {
+        final long xdisplay;
+        if (OS_gtk_version.compareTo(GTK_VERSION_2_24_0) >= 0) {
+            final long display = callStaticMethodL2L(OS_gdk_window_get_display, window);
+            if(0 == display) {
+                throw new NativeWindowException("Null display-handle of gtk-window-handle 0x"+Long.toHexString(window));
+            }
+            xdisplay = callStaticMethodL2L(OS_gdk_x11_display_get_xdisplay, display);
+        } else {
+            xdisplay = callStaticMethodL2L(OS_gdk_x11_drawable_get_xdisplay, window);
+        }
+        if(0 == xdisplay) {
+            throw new NativeWindowException("Null x11-display-handle of gtk-window-handle 0x"+Long.toHexString(window));
+        }
+        return xdisplay;
+    }
+    
+    public static long gdk_window_get_xwindow(long window) {
+        final long xWindow;
+        if (OS_gtk_version.compareTo(GTK_VERSION_3_0_0) >= 0) {
+            xWindow = callStaticMethodL2L(OS_gdk_x11_window_get_xid, window);
+        } else {
+            xWindow = callStaticMethodL2L(OS_gdk_x11_drawable_get_xid, window);
+        }
+        if(0 == xWindow) {
+            throw new NativeWindowException("Null x11-window-handle of gtk-window-handle 0x"+Long.toHexString(window));
+        }
+        return xWindow;
+    }
+    
+    public static void gdk_window_set_back_pixmap(long window, long pixmap, boolean parent_relative) {
+        callStaticMethodLLZ2V(OS_gdk_window_set_back_pixmap, window, pixmap, parent_relative);
+    }
+    
+    //
+    // Common any toolkit
+    //
+    
+    /**
+     * @param swtControl the SWT Control to retrieve the native widget-handle from
+     * @return the native widget-handle
+     * @throws NativeWindowException if the widget handle is null
+     */
+    public static long getHandle(Control swtControl) throws NativeWindowException {
         long h = 0;
-        if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false) ) {
+        if( isOSX ) {
+            synchronized(swt_osx_init) {
+                try {
+                    if(null == swt_osx_view_id) {
+                        swt_osx_control_view = Control.class.getField(str_osx_view);
+                        Object view = swt_osx_control_view.get(swtControl);
+                        swt_osx_view_id = view.getClass().getField(str_osx_id);
+                        h = swt_osx_view_id.getLong(view);
+                    } else {
+                        h = swt_osx_view_id.getLong( swt_osx_control_view.get(swtControl) );
+                    }
+                } catch (Exception ex) {
+                    throw new NativeWindowException(ex);
+                }                    
+            }
+        } else {       
             try {
-                Field fView = Control.class.getField(str_view);
-                Object view = fView.get(swtControl);
-                Field fId = view.getClass().getField(str_id);
-                return fId.getLong(view);
+                h = swt_control_handle.getLong(swtControl);
             } catch (Exception ex) {
                 throw new NativeWindowException(ex);
-            }            
+            }
         }
-        
-        try {
-            h = swt_control_handle.getLong(swtControl);
-        } catch (Exception ex) {
-            throw new NativeWindowException(ex);
+        if(0 == h) {
+            throw new NativeWindowException("Null widget-handle of SWT "+swtControl.getClass().getName()+": "+swtControl.toString());
         }
         return h;
     }
 
-    public static void setRealized(final Control swtControl, final boolean realize) {
+    public static void setRealized(final Control swtControl, final boolean realize) 
+            throws NativeWindowException 
+    {
+        if(!realize && swtControl.isDisposed()) {
+            return;
+        }
         final long handle = getHandle(swtControl);
         
         if(null != OS_gtk_class) {
@@ -216,55 +372,77 @@ public class SWTAccessor {
             });
         }
     }
-    
-    public static AbstractGraphicsDevice getDevice(Control swtControl) {
-        long handle = getHandle(swtControl);
-        if( null != OS_gtk_class ) {
-            long widgedHandle = callStaticMethodL2L(OS_GTK_WIDGET_WINDOW, handle);
-            long displayHandle = callStaticMethodL2L(OS_gdk_x11_drawable_get_xdisplay, widgedHandle);
-            return new X11GraphicsDevice(displayHandle, AbstractGraphicsDevice.DEFAULT_UNIT, false /* owner */);
+        
+    /**
+     * @param swtControl the SWT Control to retrieve the native device handle from
+     * @return the AbstractGraphicsDevice w/ the native device handle
+     * @throws NativeWindowException if the widget handle is null 
+     * @throws UnsupportedOperationException if the windowing system is not supported
+     */
+    public static AbstractGraphicsDevice getDevice(Control swtControl) throws NativeWindowException, UnsupportedOperationException {
+        final long handle = getHandle(swtControl);
+        if( isX11GTK ) {
+            final long xdisplay0 = gdk_window_get_xdisplay( gdk_widget_get_window( handle ) );
+            return new X11GraphicsDevice(xdisplay0, AbstractGraphicsDevice.DEFAULT_UNIT, false /* owner */);
         }
-        final String nwt = NativeWindowFactory.getNativeWindowType(false);
-        if( NativeWindowFactory.TYPE_WINDOWS == nwt ) {
+        if( isWindows ) {
             return new WindowsGraphicsDevice(AbstractGraphicsDevice.DEFAULT_CONNECTION, AbstractGraphicsDevice.DEFAULT_UNIT);
         }
-        if( NativeWindowFactory.TYPE_MACOSX == nwt ) {
+        if( isOSX ) {
             return new MacOSXGraphicsDevice(AbstractGraphicsDevice.DEFAULT_UNIT);
         }
         throw new UnsupportedOperationException("n/a for this windowing system: "+nwt);
     }
-    public static AbstractGraphicsScreen getScreen(AbstractGraphicsDevice device, int screen) {
-        if( null != OS_gtk_class ) {
-            return new X11GraphicsScreen((X11GraphicsDevice)device, screen);
+    
+    /**
+     * 
+     * @param device
+     * @param screen -1 is default screen of the given device, e.g. maybe 0 or determined by native API. >= 0 is specific screen
+     * @return
+     * @throws UnsupportedOperationException
+     */
+    public static AbstractGraphicsScreen getScreen(AbstractGraphicsDevice device, int screen) throws UnsupportedOperationException {
+        if( isX11 ) {
+            X11GraphicsDevice x11Device = (X11GraphicsDevice)device;
+            if(0 > screen) {
+                screen = x11Device.getDefaultScreen();
+            }
+            return new X11GraphicsScreen(x11Device, screen);
         }
-        final String nwt = NativeWindowFactory.getNativeWindowType(false);
-        if( NativeWindowFactory.TYPE_WINDOWS == nwt ||
-            NativeWindowFactory.TYPE_MACOSX == nwt ) {
+        if(0 > screen) {
+            screen = 0; // FIXME: Needs native API utilization
+        }
+        if( isWindows || isOSX ) {
             return new DefaultGraphicsScreen(device, screen);
         }
         throw new UnsupportedOperationException("n/a for this windowing system: "+nwt);        
     }
+    
     public static int getNativeVisualID(AbstractGraphicsDevice device, long windowHandle) {
-        if( null != OS_gtk_class ) {
+        if( isX11 ) {
             return X11Lib.GetVisualIDFromWindow(device.getHandle(), windowHandle);
         }
-        final String nwt = NativeWindowFactory.getNativeWindowType(false);
-        if( NativeWindowFactory.TYPE_WINDOWS == nwt ||
-            NativeWindowFactory.TYPE_MACOSX == nwt ) {
+        if( isWindows || isOSX ) {
             return VisualIDHolder.VID_UNDEFINED;
         }
         throw new UnsupportedOperationException("n/a for this windowing system: "+nwt);        
     }
     
-    public static long getWindowHandle(Control swtControl) {
-        long handle = getHandle(swtControl);        
-        if( null != OS_gtk_class ) {
-            long widgedHandle = callStaticMethodL2L(OS_GTK_WIDGET_WINDOW, handle);
-            return callStaticMethodL2L(OS_gdk_x11_drawable_get_xid, widgedHandle);
+    /**
+     * @param swtControl the SWT Control to retrieve the native window handle from
+     * @return the native window handle
+     * @throws NativeWindowException if the widget handle is null 
+     * @throws UnsupportedOperationException if the windowing system is not supported
+     */
+    public static long getWindowHandle(Control swtControl) throws NativeWindowException, UnsupportedOperationException {
+        final long handle = getHandle(swtControl);        
+        if(0 == handle) {
+            throw new NativeWindowException("Null SWT handle of SWT control "+swtControl);
+        }
+        if( isX11GTK ) {
+            return gdk_window_get_xwindow( gdk_widget_get_window( handle ) );            
         }
-        final String nwt = NativeWindowFactory.getNativeWindowType(false);
-        if( NativeWindowFactory.TYPE_WINDOWS == nwt ||
-            NativeWindowFactory.TYPE_MACOSX == nwt ) {
+        if( isWindows || isOSX ) {
             return handle;
         }
         throw new UnsupportedOperationException("n/a for this windowing system: "+nwt);
@@ -283,7 +461,7 @@ public class SWTAccessor {
             throw new InternalError("SWT internal_new_GC did not return int or long but "+o[0].getClass());
         }
     }
-
+    
     public static void disposeGC(final Control swtControl, final long gc, final GCData gcData) {
         invoke(true, new Runnable() {
             public void run() {
@@ -313,7 +491,7 @@ public class SWTAccessor {
     * @see Platform#getOSType()
     */
     public static void invoke(boolean wait, Runnable runnable) {
-        if( Platform.OS_TYPE == Platform.OSType.MACOS ) {
+        if( isOSX ) {
             // Use SWT main thread! Only reliable config w/ -XStartOnMainThread !?
             OSXUtil.RunOnMainThread(wait, runnable);
         } else {
@@ -321,4 +499,85 @@ public class SWTAccessor {
         }        
     }
     
+    //
+    // Specific X11 GTK ChildWindow - Using plain X11 native parenting (works well)
+    //
+    
+    public static long createCompatibleX11ChildWindow(AbstractGraphicsScreen screen, Control swtControl, int visualID, int width, int height) {
+        final long handle = getHandle(swtControl);
+        final long parentWindow = gdk_widget_get_window( handle );
+        gdk_window_set_back_pixmap (parentWindow, 0, false);
+        
+        final long x11ParentHandle = gdk_window_get_xwindow(parentWindow);
+        final long x11WindowHandle = X11Lib.CreateWindow(x11ParentHandle, screen.getDevice().getHandle(), screen.getIndex(), visualID, width, height, true, true);
+        
+        return x11WindowHandle;
+    }
+    
+    public static void resizeX11Window(AbstractGraphicsDevice device, Rectangle clientArea, long x11Window) {
+        X11Lib.SetWindowPosSize(device.getHandle(), x11Window, clientArea.x, clientArea.y, clientArea.width, clientArea.height);        
+    }
+    public static void destroyX11Window(AbstractGraphicsDevice device, long x11Window) {
+        X11Lib.DestroyWindow(device.getHandle(), x11Window);
+    }
+    
+    //
+    // Specific X11 SWT/GTK ChildWindow - Using SWT/GTK native parenting (buggy - sporadic resize flickering, sporadic drop of rendering)
+    //
+    // FIXME: Need to use reflection for 32bit access as well !
+    //
+    
+    // public static final int GDK_WA_TYPE_HINT = 1 << 9;
+    // public static final int GDK_WA_VISUAL = 1 << 6;
+    
+    public static long createCompatibleGDKChildWindow(Control swtControl, int visualID, int width, int height) {
+        return 0;
+        /**
+        final long handle = SWTAccessor.getHandle(swtControl);
+        final long parentWindow = gdk_widget_get_window( handle );
+        
+        final long screen = OS.gdk_screen_get_default ();
+        final long gdkvisual = OS.gdk_x11_screen_lookup_visual (screen, visualID);
+        
+        final GdkWindowAttr attrs = new GdkWindowAttr();
+        attrs.width = width > 0 ? width : 1;
+        attrs.height = height > 0 ? height : 1;        
+        attrs.event_mask = OS.GDK_KEY_PRESS_MASK | OS.GDK_KEY_RELEASE_MASK |
+                           OS.GDK_FOCUS_CHANGE_MASK | OS.GDK_POINTER_MOTION_MASK |
+                           OS.GDK_BUTTON_PRESS_MASK | OS.GDK_BUTTON_RELEASE_MASK |
+                           OS.GDK_ENTER_NOTIFY_MASK | OS.GDK_LEAVE_NOTIFY_MASK |
+                           OS.GDK_EXPOSURE_MASK | OS.GDK_VISIBILITY_NOTIFY_MASK |
+                           OS.GDK_POINTER_MOTION_HINT_MASK;
+        attrs.window_type = OS.GDK_WINDOW_CHILD;
+        attrs.visual = gdkvisual;
+        
+        final long childWindow = OS.gdk_window_new (parentWindow, attrs, OS.GDK_WA_VISUAL|GDK_WA_TYPE_HINT);
+        OS.gdk_window_set_user_data (childWindow, handle);
+        OS.gdk_window_set_back_pixmap (parentWindow, 0, false);
+        
+        OS.gdk_window_show (childWindow);
+        OS.gdk_flush();
+        return childWindow; */
+    }
+    
+    public static void showGDKWindow(long gdkWindow) {
+        /* OS.gdk_window_show (gdkWindow);
+        OS.gdk_flush(); */
+    }
+    public static void focusGDKWindow(long gdkWindow) {
+        /*
+        OS.gdk_window_show (gdkWindow);
+        OS.gdk_window_focus(gdkWindow, 0);
+        OS.gdk_flush(); */
+    }
+    public static void resizeGDKWindow(Rectangle clientArea, long gdkWindow) {
+        /**
+        OS.gdk_window_move (gdkWindow, clientArea.x, clientArea.y);
+        OS.gdk_window_resize (gdkWindow, clientArea.width, clientArea.height);
+        OS.gdk_flush(); */
+    }
+    
+    public static void destroyGDKWindow(long gdkWindow) {
+        // OS.gdk_window_destroy (gdkWindow);
+    }    
 }
diff --git a/src/nativewindow/classes/jogamp/nativewindow/x11/X11DummyUpstreamSurfaceHook.java b/src/nativewindow/classes/jogamp/nativewindow/x11/X11DummyUpstreamSurfaceHook.java
index 67a33e55c..827862002 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/x11/X11DummyUpstreamSurfaceHook.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/x11/X11DummyUpstreamSurfaceHook.java
@@ -37,7 +37,7 @@ public class X11DummyUpstreamSurfaceHook extends UpstreamSurfaceHookMutableSize
                 s.addUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_DEVICE );
             }
             if( 0 == s.getSurfaceHandle() ) {
-                final long windowHandle = X11Lib.CreateDummyWindow(device.getHandle(), screen.getIndex(), cfg.getXVisualID(), 64, 64);
+                final long windowHandle = X11Lib.CreateWindow(0, device.getHandle(), screen.getIndex(), cfg.getXVisualID(), 64, 64, false, false);
                 if(0 == windowHandle) {
                     throw new NativeWindowException("Creating dummy window failed w/ "+cfg);
                 }
@@ -59,7 +59,7 @@ public class X11DummyUpstreamSurfaceHook extends UpstreamSurfaceHookMutableSize
             }
             device.lock();
             try {
-                X11Lib.DestroyDummyWindow(device.getHandle(), s.getSurfaceHandle());            
+                X11Lib.DestroyWindow(device.getHandle(), s.getSurfaceHandle());            
                 s.setSurfaceHandle(0);
                 s.clearUpstreamOptionBits( ProxySurface.OPT_PROXY_OWNS_UPSTREAM_SURFACE );
             } finally {
diff --git a/src/nativewindow/native/x11/Xmisc.c b/src/nativewindow/native/x11/Xmisc.c
index c73952693..a8d45f288 100644
--- a/src/nativewindow/native/x11/Xmisc.c
+++ b/src/nativewindow/native/x11/Xmisc.c
@@ -31,6 +31,8 @@
 #include "jogamp_nativewindow_x11_X11Lib.h"
 #include "jogamp_nativewindow_x11_X11Util.h"
 
+#include <X11/Xatom.h>
+
 // #define VERBOSE_ON 1
 
 #ifdef VERBOSE_ON
@@ -85,6 +87,8 @@ Bool XF86VidModeSetGammaRamp(
 #define RTLD_DEFAULT NULL
 #endif
 
+#define X11_MOUSE_EVENT_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask)
+
 static const char * const ClazzNameBuffers = "com/jogamp/common/nio/Buffers";
 static const char * const ClazzNameBuffersStaticCstrName = "copyByteBuffer";
 static const char * const ClazzNameBuffersStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;";
@@ -436,17 +440,62 @@ Java_jogamp_nativewindow_x11_X11Lib_XCloseDisplay__J(JNIEnv *env, jclass _unused
   return _res;
 }
 
+static void NativewindowX11_setNormalWindowEWMH (Display *dpy, Window w) {
+    Atom _NET_WM_WINDOW_TYPE = XInternAtom( dpy, "_NET_WM_WINDOW_TYPE", False );
+    Atom types[1]={0};
+    types[0] = XInternAtom( dpy, "_NET_WM_WINDOW_TYPE_NORMAL", False );
+    XChangeProperty( dpy, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *)&types, 1);
+    XSync(dpy, False);
+}
+
+#define DECOR_USE_MWM 1     // works for known WMs
+// #define DECOR_USE_EWMH 1 // haven't seen this to work (NORMAL->POPUP, never gets undecorated)
+
+/* see <http://tonyobryan.com/index.php?article=9> */
+#define MWM_HINTS_DECORATIONS   (1L << 1)
+#define PROP_MWM_HINTS_ELEMENTS 5
+
+static void NativewindowX11_setDecorations (Display *dpy, Window w, Bool decorated) {
+
+#ifdef DECOR_USE_MWM
+    unsigned long mwmhints[PROP_MWM_HINTS_ELEMENTS] = { MWM_HINTS_DECORATIONS, 0, decorated, 0, 0 }; // flags, functions, decorations, input_mode, status
+    Atom _MOTIF_WM_HINTS = XInternAtom( dpy, "_MOTIF_WM_HINTS", False );
+#endif
+
+#ifdef DECOR_USE_EWMH
+    Atom _NET_WM_WINDOW_TYPE = XInternAtom( dpy, "_NET_WM_WINDOW_TYPE", False );
+    Atom types[3]={0};
+    int ntypes=0;
+    if(True==decorated) {
+        types[ntypes++] = XInternAtom( dpy, "_NET_WM_WINDOW_TYPE_NORMAL", False );
+    } else {
+        types[ntypes++] = XInternAtom( dpy, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False );
+    }
+#endif
+
+#ifdef DECOR_USE_MWM
+    XChangeProperty( dpy, w, _MOTIF_WM_HINTS, _MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *)&mwmhints, PROP_MWM_HINTS_ELEMENTS);
+#endif
+
+#ifdef DECOR_USE_EWMH
+    XChangeProperty( dpy, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *)&types, ntypes);
+#endif
+
+    XSync(dpy, False);
+}
+
 /*
  * Class:     jogamp_nativewindow_x11_X11Lib
- * Method:    CreateDummyWindow
- * Signature: (JIIII)J
+ * Method:    CreateWindow
+ * Signature: (JJIIIIZZ)J
  */
-JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateDummyWindow
-  (JNIEnv *env, jclass unused, jlong display, jint screen_index, jint visualID, jint width, jint height)
+JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateWindow
+  (JNIEnv *env, jclass unused, jlong parent, jlong display, jint screen_index, jint visualID, jint width, jint height, jboolean input, jboolean visible)
 {
     Display * dpy  = (Display *)(intptr_t)display;
     int       scrn_idx = (int)screen_index;
-    Window  windowParent = 0;
+    Window root = RootWindow(dpy, scrn_idx);
+    Window  windowParent = (Window) parent;
     Window  window = 0;
 
     XVisualInfo visualTemplate;
@@ -473,6 +522,9 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateDummyWindow
     NativewindowCommon_x11ErrorHandlerEnable(env, dpy, 0, 1, 0, 0);
 
     scrn = ScreenOfDisplay(dpy, scrn_idx);
+    if(0==windowParent) {
+        windowParent = root;
+    }
 
     // try given VisualID on screen
     memset(&visualTemplate, 0, sizeof(XVisualInfo));
@@ -500,9 +552,6 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateDummyWindow
         pVisualQuery=NULL;
     }
 
-    if(0==windowParent) {
-        windowParent = XRootWindowOfScreen(scrn);
-    }
 
     attrMask  = ( CWBackingStore | CWBackingPlanes | CWBackingPixel | CWBackPixmap | 
                   CWBorderPixel | CWColormap | CWOverrideRedirect ) ;
@@ -514,15 +563,22 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateDummyWindow
     xswa.backing_store=NotUseful; /* NotUseful, WhenMapped, Always */
     xswa.backing_planes=0;        /* planes to be preserved if possible */
     xswa.backing_pixel=0;         /* value to use in restoring planes */
+    if( input ) {
+        xswa.event_mask  = X11_MOUSE_EVENT_MASK;
+        xswa.event_mask |= KeyPressMask | KeyReleaseMask ;
+    }
+    if( visible ) {
+        xswa.event_mask |= FocusChangeMask | SubstructureNotifyMask | StructureNotifyMask | ExposureMask ;
+    }
 
     xswa.colormap = XCreateColormap(dpy,
-                                    XRootWindow(dpy, scrn_idx),
+                                    windowParent,
                                     visual,
                                     AllocNone);
 
     window = XCreateWindow(dpy,
                            windowParent,
-                           0, 0,
+                           0, 0, // only a hint, WM most likely will override
                            width, height,
                            0, // border width
                            depth,
@@ -530,9 +586,25 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateDummyWindow
                            visual,
                            attrMask,
                            &xswa);
+    if(0==window) {
+        NativewindowCommon_throwNewRuntimeException(env, "could not create Window, bail out!");
+        return 0;
+    }
+
+    NativewindowX11_setNormalWindowEWMH(dpy, window);
+    NativewindowX11_setDecorations(dpy, window, False);
+
+    if( visible ) {
+        XEvent event;
+
+        XMapWindow(dpy, window);
+    }
+
     XSync(dpy, False);
 
-    XSelectInput(dpy, window, 0); // no events
+    if( !input ) {
+        XSelectInput(dpy, window, 0); // no events
+    }
 
     // NativewindowCommon_x11ErrorHandlerEnable(env, dpy, 0, 0, 0, 1);
 
@@ -544,10 +616,10 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_x11_X11Lib_CreateDummyWindow
 
 /*
  * Class:     jogamp_nativewindow_x11_X11Lib
- * Method:    DestroyDummyWindow
+ * Method:    DestroyWindow
  * Signature: (JJ)V
  */
-JNIEXPORT void JNICALL Java_jogamp_nativewindow_x11_X11Lib_DestroyDummyWindow
+JNIEXPORT void JNICALL Java_jogamp_nativewindow_x11_X11Lib_DestroyWindow
   (JNIEnv *env, jclass unused, jlong display, jlong window)
 {
     Display * dpy = (Display *)(intptr_t)display;
@@ -559,12 +631,37 @@ JNIEXPORT void JNICALL Java_jogamp_nativewindow_x11_X11Lib_DestroyDummyWindow
     }
 
     NativewindowCommon_x11ErrorHandlerEnable(env, dpy, 0, 1, 0, 0);
+    XSelectInput(dpy, w, 0);
     XUnmapWindow(dpy, w);
     XSync(dpy, False);
     XDestroyWindow(dpy, w);
     // NativewindowCommon_x11ErrorHandlerEnable(env, dpy, 0, 0, 0, 1);
 }
 
+JNIEXPORT void JNICALL Java_jogamp_nativewindow_x11_X11Lib_SetWindowPosSize
+  (JNIEnv *env, jclass unused, jlong display, jlong window, jint x, jint y, jint width, jint height) {
+    Display * dpy = (Display *)(intptr_t)display;
+    Window      w = (Window) window;
+    XWindowChanges xwc;
+    int flags = 0;
+    
+    memset(&xwc, 0, sizeof(XWindowChanges));
+
+    if(0<=x && 0<=y) {
+        flags |= CWX | CWY;
+        xwc.x=x;
+        xwc.y=y;
+    }
+
+    if(0<width && 0<height) {
+        flags |= CWWidth | CWHeight;
+        xwc.width=width;
+        xwc.height=height;
+    }
+    XConfigureWindow(dpy, w, flags, &xwc);
+    XSync(dpy, False);
+}
+
 /*
  * Class:     jogamp_nativewindow_x11_X11Lib
  * Method:    GetRelativeLocation
diff --git a/src/newt/classes/com/jogamp/newt/Display.java b/src/newt/classes/com/jogamp/newt/Display.java
index e97dec88d..993aa33eb 100644
--- a/src/newt/classes/com/jogamp/newt/Display.java
+++ b/src/newt/classes/com/jogamp/newt/Display.java
@@ -158,19 +158,15 @@ public abstract class Display {
      * </p>
      * <p>
      * If a previous one exists and it differs from the new one, 
-     * it's being stopped, wait-until-idle and reset to allow restart.
+     * it's being stopped, wait-until-idle and reset to allow a restart at a later time.
      * </p>
      * <p>
      * If <code>newEDTUtil</code> is not null and equals the previous one,
-     * <code>null</code> is returned and no change is being made.
+     * no change is being made.
      * </p>
      * <p>
-     * Note that <code>newEDTUtil</code> will not be started if not done so already,
-     * to do so you may issue {@link EDTUtil#invoke(boolean, Runnable) invoke} 
-     * on the new EDTUtil:
-     * <pre>
-     *          newEDTUtil.invoke(true, new Runnable() { public void run() { } } );
-     * </pre>
+     * Note that <code>newEDTUtil</code> will be started by this method,
+     * if it is not running yet.
      * </p>
      */
     public abstract EDTUtil setEDTUtil(EDTUtil newEDTUtil);
diff --git a/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java b/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
index 525225804..dbe7c0d98 100644
--- a/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
+++ b/src/newt/classes/com/jogamp/newt/swt/NewtCanvasSWT.java
@@ -26,7 +26,6 @@
  * or implied, of JogAmp Community.
  */
 
-
 package com.jogamp.newt.swt;
 
 import javax.media.nativewindow.AbstractGraphicsConfiguration;
@@ -44,18 +43,18 @@ import javax.media.nativewindow.WindowClosingProtocol;
 import javax.media.nativewindow.util.Insets;
 import javax.media.nativewindow.util.InsetsImmutable;
 import javax.media.nativewindow.util.Point;
+import javax.media.opengl.GLCapabilities;
 
 import jogamp.nativewindow.macosx.OSXUtil;
 import jogamp.newt.Debug;
+import jogamp.newt.swt.SWTEDTUtil;
 
 import org.eclipse.swt.SWT;
-import org.eclipse.swt.events.ControlAdapter;
-import org.eclipse.swt.events.ControlEvent;
-import org.eclipse.swt.events.PaintEvent;
-import org.eclipse.swt.events.PaintListener;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.widgets.Canvas;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
 
 import com.jogamp.nativewindow.swt.SWTAccessor;
 import com.jogamp.newt.Display;
@@ -65,6 +64,9 @@ import com.jogamp.newt.util.EDTUtil;
 
 /**
  * SWT {@link Canvas} containing a NEWT {@link Window} using native parenting.
+ * <p>
+ * Implementation allows use of custom {@link GLCapabilities}.
+ * </p>
  */
 public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
     private static final boolean DEBUG = Debug.debug("Window");
@@ -77,6 +79,8 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
 
     private volatile SWTNativeWindow nativeWindow;
     private volatile Window newtChild = null;
+    private volatile boolean newtChildReady = false; // ready if SWTEDTUtil is set and newtChild parented
+    private volatile boolean postSetSize = false; // pending resize
 
     /** 
      * Creates an instance using {@link #NewtCanvasSWT(Composite, int, Window)} 
@@ -122,45 +126,51 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
         clientArea = getClientArea();
 
         final AbstractGraphicsDevice device = SWTAccessor.getDevice(this);
-        screen = SWTAccessor.getScreen(device, 0);
+        screen = SWTAccessor.getScreen(device, -1 /* default */);
         nativeWindow = null;
         
         if(null != child) {
             setNEWTChild(child);
         }
-        
-        /* Register SWT listeners (e.g. PaintListener) to render/resize GL surface. */
-        /* TODO: verify that these do not need to be manually de-registered when destroying the SWT component */
-        addPaintListener(new PaintListener() {
+
+        final Listener listener = new Listener () {
             @Override
-            public void paintControl(final PaintEvent arg0) {
-                if( null != nativeWindow || validateNative() ) {
-                    if( null !=newtChild ) {
-                        newtChild.windowRepaint(0, 0, clientArea.width, clientArea.height);
+            public void handleEvent (Event event) {
+                switch (event.type) {
+                case SWT.Paint:
+                    if( null != nativeWindow || validateNative() ) {
+                        if( newtChildReady ) {
+                            if( postSetSize ) {
+                                newtChild.setSize(clientArea.width, clientArea.height);
+                                postSetSize = false;
+                            }
+                            newtChild.windowRepaint(0, 0, clientArea.width, clientArea.height);
+                        }
                     }
+                    break;
+                case SWT.Resize:
+                    updateSizeCheck();
+                    break;
+                case SWT.Dispose:
+                    NewtCanvasSWT.this.dispose();
+                    break;
                 }
             }
-        });
-
-        addControlListener(new ControlAdapter() {
-            @Override
-            public void controlResized(final ControlEvent arg0) {
-                updateSizeCheck();
-            }
-        });
+        };
+        addListener (SWT.Resize, listener);
+        addListener (SWT.Paint, listener);
+        addListener (SWT.Dispose, listener);
     }
     
     /** assumes nativeWindow == null ! */
     protected final boolean validateNative() {
-        if( isDisposed() ) {
-            return false;
-        }
         updateSizeCheck();
         final Rectangle nClientArea = clientArea;
         if(0 >= nClientArea.width || 0 >= nClientArea.height) {        
             return false;
         }
-        
+        screen.getDevice().open();
+
         /* Native handle for the control, used to associate with GLContext */
         final long nativeWindowHandle = SWTAccessor.getWindowHandle(this);
         final int visualID = SWTAccessor.getNativeVisualID(screen.getDevice(), nativeWindowHandle);
@@ -196,12 +206,18 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
              ( nClientArea.width != oClientArea.width || nClientArea.height != oClientArea.height )
            ) {
             clientArea = nClientArea; // write back new value
-            if( null != newtChild ) {
+            if(DEBUG) {
+                final long nsh = newtChildReady ? newtChild.getSurfaceHandle() : 0;
+                System.err.println("NewtCanvasSWT.sizeChanged: ("+Thread.currentThread().getName()+"): newtChildReady "+newtChildReady+", "+nClientArea.x+"/"+nClientArea.y+" "+nClientArea.width+"x"+nClientArea.height+" - surfaceHandle 0x"+Long.toHexString(nsh));
+            }
+            if( newtChildReady ) {
                 newtChild.setSize(clientArea.width, clientArea.height);
+            } else {
+                postSetSize = true;
             }
         }
     }
-
+    
     @Override
     public void update() {
         // don't paint background etc .. nop avoids flickering
@@ -230,6 +246,7 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
             newtChild.destroy();
             newtChild = null;
         }
+        screen.getDevice().close();
         nativeWindow = null;
         super.dispose();            
     }
@@ -238,11 +255,11 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
     public NativeWindow getNativeWindow() { return nativeWindow; }
     
     public WindowClosingMode getDefaultCloseOperation() {
-        return newtChildCloseOp; // FIXME
+        return newtChildCloseOp; // TODO: implement ?!
     }
 
     public WindowClosingMode setDefaultCloseOperation(WindowClosingMode op) {
-        return newtChildCloseOp = op; // FIXME
+        return newtChildCloseOp = op; // TODO: implement ?!
     }
 
 
@@ -299,7 +316,7 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
     }
 
     /* package */ void configureNewtChild(boolean attach) {
-
+        newtChildReady = attach;
         if( null != newtChild ) {
             newtChild.setKeyboardFocusHandler(null);
             if(attach) {            
@@ -324,23 +341,21 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
             updateSizeCheck();
             final int w = clientArea.width;
             final int h = clientArea.height;
-
+            
             // set SWT EDT and start it
             {
                 final Display newtDisplay = newtChild.getScreen().getDisplay();
-                final EDTUtil edt = new SWTEDTUtil(newtDisplay, getDisplay());
-                newtDisplay.setEDTUtil(edt);
-                edt.invoke(true, new Runnable() { public void run() { } } ); // start EDT
+                newtDisplay.setEDTUtil( new SWTEDTUtil(newtDisplay, getDisplay()) );
             }
             
-            newtChild.setSize(w, h);
+            newtChild.setSize(w, h);            
             newtChild.reparentWindow(nativeWindow);
             newtChild.setVisible(true);
-            configureNewtChild(true);
+            configureNewtChild(true);            
             newtChild.sendWindowEvent(WindowEvent.EVENT_WINDOW_RESIZED); // trigger a resize/relayout to listener
-
+            
             // force this SWT Canvas to be focus-able, 
-            // since this it is completely covered by the newtChild (z-order).
+            // since it is completely covered by the newtChild (z-order).
             setEnabled(true);
         } else {
             configureNewtChild(false);
@@ -353,7 +368,7 @@ public class NewtCanvasSWT extends Canvas implements WindowClosingProtocol {
     }
 
     private final void requestFocusNEWTChild() {
-        if( null != newtChild ) {
+        if( newtChildReady ) {
             newtChild.setFocusAction(null);
             newtChild.requestFocus();
         }
diff --git a/src/newt/classes/com/jogamp/newt/util/EDTUtil.java b/src/newt/classes/com/jogamp/newt/util/EDTUtil.java
index 7e19d9de5..0183da592 100644
--- a/src/newt/classes/com/jogamp/newt/util/EDTUtil.java
+++ b/src/newt/classes/com/jogamp/newt/util/EDTUtil.java
@@ -113,7 +113,8 @@ public interface EDTUtil {
 
     /** 
      * Append the final task to the EDT task queue,
-     * signals EDT to stop and wait until stopped.<br>
+     * signals EDT to stop and wait until stopped.<br/>
+     * <code>task</code> maybe <code>null</code><br/>
      * Due to the nature of this method:
      * <ul>
      *   <li>All previous queued tasks will be finished.</li>
@@ -125,7 +126,7 @@ public interface EDTUtil {
     public void invokeStop(Runnable finalTask);
 
     /** 
-     * Shall start the thread if not running.<br>
+     * Shall start the thread if not running, <code>task</code> maybe null for this purpose.<br>
      * Append task to the EDT task queue.<br>
      * Wait until execution is finished if <code>wait == true</code>.<br>
      * Can be issued from within EDT, ie from within an enqueued task.<br>
diff --git a/src/newt/classes/jogamp/newt/DefaultEDTUtil.java b/src/newt/classes/jogamp/newt/DefaultEDTUtil.java
index 98987ef96..d8d04e79f 100644
--- a/src/newt/classes/jogamp/newt/DefaultEDTUtil.java
+++ b/src/newt/classes/jogamp/newt/DefaultEDTUtil.java
@@ -81,10 +81,10 @@ public class DefaultEDTUtil implements EDTUtil {
             waitUntilStopped();
             if(DEBUG) {
                 if(edt.tasks.size()>0) {
-                    System.err.println(Thread.currentThread()+": EDT reset, remaining tasks: "+edt.tasks.size()+" - "+edt);
+                    System.err.println(Thread.currentThread()+": Default-EDT reset, remaining tasks: "+edt.tasks.size()+" - "+edt);
                     // Thread.dumpStack();
                 }
-                System.err.println(Thread.currentThread()+": EDT reset - edt: "+edt);
+                System.err.println(Thread.currentThread()+": Default-EDT reset - edt: "+edt);
             }
             this.edt = new EventDispatchThread(threadGroup, name);
             this.edt.setDaemon(true); // don't stop JVM from shutdown ..
@@ -93,13 +93,13 @@ public class DefaultEDTUtil implements EDTUtil {
 
     private final void startImpl() {
         if(edt.isAlive()) {
-            throw new RuntimeException("EDT Thread.isAlive(): true, isRunning: "+edt.isRunning()+", edt: "+edt+", tasks: "+edt.tasks.size());
+            throw new RuntimeException("Default-EDT Thread.isAlive(): true, isRunning: "+edt.isRunning()+", edt: "+edt+", tasks: "+edt.tasks.size());
         }
         start_iter++;
         edt.setName(name+start_iter);
         edt.shouldStop = false;
         if(DEBUG) {
-            System.err.println(Thread.currentThread()+": EDT START - edt: "+edt);
+            System.err.println(Thread.currentThread()+": Default-EDT START - edt: "+edt);
             // Thread.dumpStack();
         }
         edt.start();
@@ -135,10 +135,12 @@ public class DefaultEDTUtil implements EDTUtil {
         invokeImpl(wait, task, false);
     }
 
+    private static Runnable nullTask = new Runnable() {
+        @Override
+        public void run() { }        
+    };
+    
     private void invokeImpl(boolean wait, Runnable task, boolean stop) {
-        if(task == null) {
-            throw new RuntimeException("Null Runnable");
-        }
         Throwable throwable = null;
         RunnableTask rTask = null;
         Object rTaskLock = new Object();
@@ -147,45 +149,57 @@ public class DefaultEDTUtil implements EDTUtil {
                 if( edt.shouldStop ) {
                     // drop task ..
                     if(DEBUG) {
-                        System.err.println("Warning: EDT about (1) to stop, won't enqueue new task: "+edt);
+                        System.err.println(Thread.currentThread()+": Warning: Default-EDT about (1) to stop, won't enqueue new task: "+edt);
                         Thread.dumpStack();
                     }
                     return;
                 }
                 // System.err.println(Thread.currentThread()+" XXX stop: "+stop+", tasks: "+edt.tasks.size()+", task: "+task);
                 // Thread.dumpStack();
-                if(stop) {
-                    edt.shouldStop = true;
-                    if(DEBUG) {
-                        System.err.println(Thread.currentThread()+": EDT signal STOP (on edt: "+isCurrentThreadEDT()+") - tasks: "+edt.tasks.size()+" - "+edt);
-                        // Thread.dumpStack();
-                    }
-                }
                 if( isCurrentThreadEDT() ) {
-                    task.run();
+                    if(null != task) {
+                        task.run();
+                    }
                     wait = false; // running in same thread (EDT) -> no wait
-                    if(stop && edt.tasks.size()>0) {
-                        System.err.println("Warning: EDT about (2) to stop, having remaining tasks: "+edt.tasks.size()+" - "+edt);
-                        if(DEBUG) {
-                            Thread.dumpStack();
+                    if(stop) {
+                        edt.shouldStop = true;
+                        if( edt.tasks.size()>0 ) {
+                            System.err.println(Thread.currentThread()+": Warning: Default-EDT about (2) to stop, task executed. Remaining tasks: "+edt.tasks.size()+" - "+edt);
+                            if(DEBUG) {
+                                Thread.dumpStack();
+                            }
                         }
                     }
                 } else {
-                    // start if should not stop && not started yet                    
-                    if( !stop && !edt.isRunning() ) {
-                        startImpl();
+                    if( !edt.isRunning() ) {
+                        if( !stop ) {
+                            startImpl();
+                        } else {
+                            // drop task and don't wait
+                            task = null;
+                            System.err.println(Thread.currentThread()+": Warning: Default-EDT is about (3) to stop and stopped already, dropping task. Remaining tasks: "+edt.tasks.size()+" - "+edt);
+                            if(true || DEBUG) {
+                                Thread.dumpStack();
+                            }
+                        }
+                    } else if(stop && null == task) {
+                        task = nullTask;
                     }
-                    synchronized(edt.tasks) {
-                        wait = wait && edt.isRunning();
-                        rTask = new RunnableTask(task,
-                                                 wait ? rTaskLock : null,
-                                                 true /* always catch and report Exceptions, don't disturb EDT */);
-                        if(stop) {
-                            rTask.setAttachment(new Boolean(true)); // mark final task
+
+                    if(null != task) {
+                        synchronized(edt.tasks) {
+                            rTask = new RunnableTask(task,
+                                                     wait ? rTaskLock : null,
+                                                     true /* always catch and report Exceptions, don't disturb EDT */);
+                            if(stop) {
+                                rTask.setAttachment(new Boolean(true)); // mark final task, will imply shouldStop:=true
+                            }
+                            // append task ..
+                            edt.tasks.add(rTask);
+                            edt.tasks.notifyAll();
                         }
-                        // append task ..
-                        edt.tasks.add(rTask);
-                        edt.tasks.notifyAll();
+                    } else {
+                        wait = false;
                     }
                 }
             }
@@ -207,7 +221,7 @@ public class DefaultEDTUtil implements EDTUtil {
             }
         }
         if(DEBUG && stop) {
-            System.err.println(Thread.currentThread()+": EDT signal STOP X edt: "+edt);
+            System.err.println(Thread.currentThread()+": Default-EDT signal STOP X edt: "+edt);
         }
     }
 
@@ -282,7 +296,7 @@ public class DefaultEDTUtil implements EDTUtil {
         @Override
         final public void run() {
             if(DEBUG) {
-                System.err.println(getName()+": EDT run() START "+ getName());
+                System.err.println(getName()+": Default-EDT run() START "+ getName());
             }
             validateNoRecursiveLocksHold();
             RuntimeException error = null;
@@ -307,6 +321,9 @@ public class DefaultEDTUtil implements EDTUtil {
                         if(tasks.size()>0) {
                             task = tasks.remove(0);
                             tasks.notifyAll();
+                            if( null != task.getAttachment() ) {
+                                shouldStop = true;
+                            }
                         }
                     }
                     if(null!=task) {
@@ -324,41 +341,19 @@ public class DefaultEDTUtil implements EDTUtil {
                 if(t instanceof RuntimeException) {
                     error = (RuntimeException) t;
                 } else {
-                    error = new RuntimeException("Within EDT", t);
+                    error = new RuntimeException("Within Default-EDT", t);
                 }
             } finally {
                 if(DEBUG) {
                     RunnableTask rt = ( tasks.size() > 0 ) ? tasks.get(0) : null ;
-                    System.err.println(getName()+": EDT run() END "+ getName()+", tasks: "+tasks.size()+", "+rt+", "+error); 
+                    System.err.println(getName()+": Default-EDT run() END "+ getName()+", tasks: "+tasks.size()+", "+rt+", "+error); 
                 }
                 synchronized(edtLock) {
-                    if(null==error) {
-                        synchronized(tasks) {
-                            // drain remaining tasks (stop not on EDT), 
-                            // while having tasks and no previous-task, or previous-task is non final
-                            RunnableTask task = null;
-                            while ( ( null == task || task.getAttachment() == null ) && tasks.size() > 0 ) {
-                                task = tasks.remove(0);
-                                task.run();
-                                tasks.notifyAll();
-                            }
-                            if(DEBUG) {
-                                if(null!=task && task.getAttachment()==null) {
-                                    System.err.println(getName()+" Warning: EDT exit: Last task Not Final: "+tasks.size()+", "+task+" - "+edt);
-                                } else if(tasks.size()>0) {
-                                    System.err.println(getName()+" Warning: EDT exit: Remaining tasks Post Final: "+tasks.size());
-                                }
-                                Thread.dumpStack();
-                            }
-                        }
-                    }
-                    isRunning = !shouldStop;
-                    if(!isRunning) {
-                        edtLock.notifyAll();
-                    }
+                    isRunning = false;
+                    edtLock.notifyAll();
                 }
                 if(DEBUG) {
-                    System.err.println(getName()+": EDT run() EXIT "+ getName()+", exception: "+error);
+                    System.err.println(getName()+": Default-EDT run() EXIT "+ getName()+", exception: "+error);
                 }
                 if(null!=error) {
                     throw error;
diff --git a/src/newt/classes/jogamp/newt/DisplayImpl.java b/src/newt/classes/jogamp/newt/DisplayImpl.java
index 317535805..20b915cae 100644
--- a/src/newt/classes/jogamp/newt/DisplayImpl.java
+++ b/src/newt/classes/jogamp/newt/DisplayImpl.java
@@ -84,9 +84,8 @@ public abstract class DisplayImpl extends Display {
                 display.hashCode = display.fqname.hashCode();
                 displayList.add(display);
             }
-            if(null == display.edtUtil) {
-                display.setEDTUtil(null); // device's default if EDT is used, or null        
-            }
+            display.setEDTUtil(display.edtUtil); // device's default if EDT is used, or null
+            
             if(DEBUG) {
                 System.err.println("Display.create() NEW: "+display+" "+getThreadName());
             }
@@ -166,20 +165,24 @@ public abstract class DisplayImpl extends Display {
 
     @Override
     public EDTUtil setEDTUtil(EDTUtil newEDTUtil) {        
+        final EDTUtil oldEDTUtil = edtUtil;
         if(null == newEDTUtil) {
-            newEDTUtil = createEDTUtil();
-        } else if( newEDTUtil == edtUtil ) {
             if(DEBUG) {
-                System.err.println("Display.setEDTUtil: "+newEDTUtil+" - keep!");
+                System.err.println("Display.setEDTUtil(default): "+oldEDTUtil+" -> "+newEDTUtil);
+            }
+            edtUtil = createEDTUtil();
+        } else if( newEDTUtil != edtUtil ) {
+            if(DEBUG) {
+                System.err.println("Display.setEDTUtil(custom): "+oldEDTUtil+" -> "+newEDTUtil);
             }
-            return null; // no change
+            removeEDT( null );
+            edtUtil = newEDTUtil;
+        } else if( DEBUG ) {
+            System.err.println("Display.setEDTUtil: "+newEDTUtil+" - keep!");
         }
-        final EDTUtil oldEDTUtil = edtUtil;
-        if(DEBUG) {
-            System.err.println("Display.setEDTUtil: "+oldEDTUtil+" -> "+newEDTUtil);
+        if( !edtUtil.isRunning() ) { // start EDT if not running yet
+            edtUtil.invoke(true, null);
         }
-        removeEDT( new Runnable() { public void run() {} } );
-        edtUtil = newEDTUtil;
         return oldEDTUtil;
     }
 
@@ -209,11 +212,7 @@ public abstract class DisplayImpl extends Display {
 
     public boolean validateEDT() {
         if(0==refCount && null==aDevice && null != edtUtil && edtUtil.isRunning()) {
-            removeEDT( new Runnable() {
-                public void run() {
-                    // nop
-                }
-            } );
+            removeEDT( null );
             return true;
         }
         return false;
diff --git a/src/newt/classes/jogamp/newt/WindowImpl.java b/src/newt/classes/jogamp/newt/WindowImpl.java
index 4f8eb3d3a..a9294c1ff 100644
--- a/src/newt/classes/jogamp/newt/WindowImpl.java
+++ b/src/newt/classes/jogamp/newt/WindowImpl.java
@@ -173,7 +173,6 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
             window.parentWindowHandle = parentWindowHandle;
             window.screen = (ScreenImpl) screen;
             window.capsRequested = (CapabilitiesImmutable) caps.cloneMutable();
-            window.setUndecorated(0!=parentWindowHandle);
             window.instantiationFinished();
             return window;
         } catch (Throwable t) {
@@ -573,6 +572,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 }
             } finally {
                 if (LOCK_SURFACE_NOT_READY >= res) {
+                    surfaceLockCount--;
                     _wlock.unlock();
                 }
             }
@@ -729,8 +729,10 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
             } else if(WindowImpl.this.visible != visible) {
                 if(isNativeValid()) {
                     setVisibleImpl(visible, getX(), getY(), getWidth(), getHeight());
-                    WindowImpl.this.waitForVisible(visible, true);
+                    WindowImpl.this.waitForVisible(visible, false);
                     madeVisible = visible;
+                } else {
+                    WindowImpl.this.visible = true;
                 }
             }
 
@@ -804,11 +806,13 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                     } else if ( visible && !isNativeValid() && 0 < width && 0 < height ) {
                         visibleAction = 2; // visible (create)
                         defineSize(width, height);
-                    } else if ( isNativeValid() ) {
+                    } else if ( visible && isNativeValid() ) {
                         visibleAction = 0;
                         // this width/height will be set by windowChanged, called by the native implementation
                         reconfigureWindowImpl(getX(), getY(), width, height, getReconfigureFlags(0, isVisible()));
+                        WindowImpl.this.waitForSize(width, height, false, TIMEOUT_NATIVEWINDOW);
                     } else {
+                        // invisible or invalid w/ 0 size
                         visibleAction = 0;
                         defineSize(width, height);
                     }
@@ -1045,8 +1049,8 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                             if(null!=newParentWindowNEWT) {
                                 setScreen( (ScreenImpl) newParentWindowNEWT.getScreen() );
                             } else {
-                                Screen newScreen = NewtFactory.createCompatibleScreen(newParentWindow, getScreen());
-                                if( getScreen() != newScreen ) {
+                                final Screen newScreen = NewtFactory.createCompatibleScreen(newParentWindow, screen);
+                                if( screen != newScreen ) {
                                     // auto destroy on-the-fly created Screen/Display
                                     setScreen( (ScreenImpl) newScreen );
                                 }
@@ -1056,14 +1060,14 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                             } else {
                                 operation = ReparentOperation.ACTION_NATIVE_CREATION_PENDING;
                             }
-                        } else if ( forceDestroyCreate || !NewtFactory.isScreenCompatible(newParentWindow, getScreen()) ) {
+                        } else if ( forceDestroyCreate || !NewtFactory.isScreenCompatible(newParentWindow, screen) ) {
                             // Destroy this window, may create a new compatible Screen/Display,
                             // and mark it for creation.
                             destroy();
                             if(null!=newParentWindowNEWT) {
                                 setScreen( (ScreenImpl) newParentWindowNEWT.getScreen() );
                             } else {
-                                setScreen( (ScreenImpl) NewtFactory.createCompatibleScreen(newParentWindow, getScreen()) );
+                                setScreen( (ScreenImpl) NewtFactory.createCompatibleScreen(newParentWindow, screen) );
                             }
                             operation = ReparentOperation.ACTION_NATIVE_CREATION;
                         } else {
@@ -1078,7 +1082,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                     if( null != parentWindow ) {
                         // child -> top
                         // put client to current parent+child position
-                        Point p = getLocationOnScreen(null);
+                        final Point p = getLocationOnScreen(null);
                         x = p.getX();
                         y = p.getY();
                     }
@@ -1134,13 +1138,13 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 }
 
                 if( ReparentOperation.ACTION_NATIVE_REPARENTING == operation ) {
-                    DisplayImpl display = (DisplayImpl) screen.getDisplay();
+                    final DisplayImpl display = (DisplayImpl) screen.getDisplay();
                     display.dispatchMessagesNative(); // status up2date
 
                     if(wasVisible) {
                         setVisibleImpl(false, x, y, width, height);
-                        WindowImpl.this.waitForVisible(false, true);
-                        // some composite WM behave slacky .. give 'em chance to change state -> invisible,
+                        WindowImpl.this.waitForVisible(false, false);
+                        // FIXME: Some composite WM behave slacky .. give 'em chance to change state -> invisible,
                         // even though we do exactly that (KDE+Composite)
                         try { Thread.sleep(100); } catch (InterruptedException e) { }
                         display.dispatchMessagesNative(); // status up2date
@@ -1166,6 +1170,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                             parentWindowLocked.unlockSurface();
                         }
                     }
+                    definePosition(x, y); // position might not get updated by WM events (SWT parent apparently)
 
                     // set visible again
                     if(ok) {
@@ -1173,7 +1178,6 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                         if(wasVisible) {
                             setVisibleImpl(true, x, y, width, height);
                             ok = WindowImpl.this.waitForVisible(true, false);
-                            display.dispatchMessagesNative(); // status up2date
                             if(ok) {
                                 ok = WindowImpl.this.waitForSize(width, height, false, TIMEOUT_NATIVEWINDOW);
                             }
@@ -1202,7 +1206,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 }
                 
                 if(DEBUG_IMPLEMENTATION) {
-                    System.err.println("Window.reparentWindow: END-1 ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+", visible: "+visible+", parentWindowHandle "+toHexString(parentWindowHandle)+", parentWindow "+ Display.hashCodeNullSafe(parentWindow)+" "+x+"/"+y+" "+width+"x"+height);
+                    System.err.println("Window.reparentWindow: END-1 ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+", visible: "+visible+", parentWindowHandle "+toHexString(parentWindowHandle)+", parentWindow "+ Display.hashCodeNullSafe(parentWindow)+" "+getX()+"/"+getY()+" "+getWidth()+"x"+getHeight());
                 }
             } finally {
                 _lock.unlock();
@@ -1223,7 +1227,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 }
             }
             if(DEBUG_IMPLEMENTATION) {
-                System.err.println("Window.reparentWindow: END-X ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+", visible: "+visible+", parentWindowHandle "+toHexString(parentWindowHandle)+", parentWindow "+ Display.hashCodeNullSafe(parentWindow)+" "+x+"/"+y+" "+width+"x"+height);
+                System.err.println("Window.reparentWindow: END-X ("+getThreadName()+") windowHandle "+toHexString(windowHandle)+", visible: "+visible+", parentWindowHandle "+toHexString(parentWindowHandle)+", parentWindow "+ Display.hashCodeNullSafe(parentWindow)+" "+getX()+"/"+getY()+" "+getWidth()+"x"+getHeight());
             }
         }
     }
@@ -1557,7 +1561,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
         for (int i = 0; i < keyListeners.size(); i++ ) {
           sb.append(keyListeners.get(i)+", ");
         }
-        sb.append("], windowLock "+windowLock+"]");
+        sb.append("], windowLock "+windowLock+", surfaceLockCount "+surfaceLockCount+"]");
         return sb.toString();
     }
 
@@ -1566,15 +1570,10 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     }
 
     public void runOnEDTIfAvail(boolean wait, final Runnable task) {
-        if(windowLock.isOwner(Thread.currentThread())) {
+        if( windowLock.isOwner( Thread.currentThread() ) ) {
             task.run();
         } else {
-            Screen scrn = getScreen();
-            if(null==scrn) {
-                throw new RuntimeException("Null screen of inner class: "+this);
-            }
-            DisplayImpl d = (DisplayImpl) scrn.getDisplay();
-            d.runOnEDTIfAvail(wait, task);
+            ( (DisplayImpl) screen.getDisplay() ).runOnEDTIfAvail(wait, task);
         }
     }
 
@@ -1899,7 +1898,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
 
     public void enqueueEvent(boolean wait, com.jogamp.newt.event.NEWTEvent event) {
         if(isNativeValid()) {
-            ((DisplayImpl)getScreen().getDisplay()).enqueueEvent(wait, event);
+            ((DisplayImpl)screen.getDisplay()).enqueueEvent(wait, event);
         }
     }
 
@@ -1914,7 +1913,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                         repaintQueued=true;
                         final boolean discardTO = QUEUED_EVENT_TO <= System.currentTimeMillis()-e.getWhen();
                         if(DEBUG_IMPLEMENTATION) {
-                            System.err.println("Window.consumeEvent: "+Thread.currentThread().getName()+" - queued "+e+", discard-to "+discardTO);
+                            System.err.println("Window.consumeEvent: REPAINT "+Thread.currentThread().getName()+" - queued "+e+", discard-to "+discardTO);
                             // Thread.dumpStack();
                         }                                                
                         return discardTO; // discardTO:=true -> consumed
@@ -1930,7 +1929,7 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 if( null != windowLock.getOwner() ) {
                     final boolean discardTO = QUEUED_EVENT_TO <= System.currentTimeMillis()-e.getWhen();
                     if(DEBUG_IMPLEMENTATION) {
-                        System.err.println("Window.consumeEvent: "+Thread.currentThread().getName()+" - queued "+e+", discard-to "+discardTO);
+                        System.err.println("Window.consumeEvent: RESIZED "+Thread.currentThread().getName()+" - queued "+e+", discard-to "+discardTO);
                         // Thread.dumpStack();
                     }
                     return discardTO; // discardTO:=true -> consumed
@@ -2430,10 +2429,11 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     }
 
     private boolean waitForVisible(boolean visible, boolean failFast, long timeOut) {
-        DisplayImpl display = (DisplayImpl) screen.getDisplay();
+        final DisplayImpl display = (DisplayImpl) screen.getDisplay();
+        display.dispatchMessagesNative(); // status up2date
         for(long sleep = timeOut; 0<sleep && this.visible != visible; sleep-=10 ) {
-            display.dispatchMessagesNative(); // status up2date
             try { Thread.sleep(10); } catch (InterruptedException ie) {}
+            display.dispatchMessagesNative(); // status up2date
         }
         if(this.visible != visible) {
             final String msg = "Visibility not reached as requested within "+timeOut+"ms : requested "+visible+", is "+this.visible; 
@@ -2441,9 +2441,12 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 throw new NativeWindowException(msg);
             } else if (DEBUG_IMPLEMENTATION) {
                 System.err.println(msg);
+                Thread.dumpStack();
             }
+            return false;
+        } else {
+            return true;
         }
-        return this.visible == visible;
     }
 
     /** Triggered by implementation's WM events to update the client-area size w/o insets/decorations. */ 
@@ -2467,18 +2470,14 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
     }
     
     private boolean waitForSize(int w, int h, boolean failFast, long timeOut) {
-        DisplayImpl display = (DisplayImpl) screen.getDisplay();
-        boolean reached = false;
-        for(long sleep = timeOut; !reached && 0<sleep; sleep-=10 ) {
-            if( w==getWidth() && h==getHeight() ) {
-                // reached pos/size
-                reached = true;
-            } else {
-                display.dispatchMessagesNative(); // status up2date
-                try { Thread.sleep(10); } catch (InterruptedException ie) {}
-            }
+        final DisplayImpl display = (DisplayImpl) screen.getDisplay();
+        display.dispatchMessagesNative(); // status up2date
+        long sleep;
+        for(sleep = timeOut; 0<sleep && w!=getWidth() && h!=getHeight(); sleep-=10 ) {
+            try { Thread.sleep(10); } catch (InterruptedException ie) {}
+            display.dispatchMessagesNative(); // status up2date
         }
-        if(!reached) {
+        if(0 >= sleep) {
             final String msg = "Size/Pos not reached as requested within "+timeOut+"ms : requested "+w+"x"+h+", is "+getWidth()+"x"+getHeight();
             if(failFast) {
                 throw new NativeWindowException(msg);
@@ -2486,8 +2485,10 @@ public abstract class WindowImpl implements Window, NEWTEventConsumer
                 System.err.println(msg);
                 Thread.dumpStack();
             }
+            return false;
+        } else {
+            return true;
         }
-        return reached;
     }
     
     /** Triggered by implementation's WM events to update the position. */ 
diff --git a/src/newt/classes/jogamp/newt/driver/awt/AWTEDTUtil.java b/src/newt/classes/jogamp/newt/driver/awt/AWTEDTUtil.java
index 2175f2190..27d0f3506 100644
--- a/src/newt/classes/jogamp/newt/driver/awt/AWTEDTUtil.java
+++ b/src/newt/classes/jogamp/newt/driver/awt/AWTEDTUtil.java
@@ -72,7 +72,7 @@ public class AWTEDTUtil implements EDTUtil {
         synchronized(edtLock) { 
             waitUntilStopped();
             if(DEBUG) {
-                System.err.println(Thread.currentThread()+": EDT reset - edt: "+nedt);
+                System.err.println(Thread.currentThread()+": AWT-EDT reset - edt: "+nedt);
             }
             this.nedt = new NewtEventDispatchThread(threadGroup, name);
             this.nedt.setDaemon(true); // don't stop JVM from shutdown ..
@@ -81,13 +81,13 @@ public class AWTEDTUtil implements EDTUtil {
 
     private final void startImpl() {
         if(nedt.isAlive()) {
-            throw new RuntimeException("EDT Thread.isAlive(): true, isRunning: "+nedt.isRunning()+", edt: "+nedt);
+            throw new RuntimeException("AWT-EDT Thread.isAlive(): true, isRunning: "+nedt.isRunning()+", edt: "+nedt);
         }
         start_iter++;
         nedt.setName(name+start_iter);
         nedt.shouldStop = false;
         if(DEBUG) {
-            System.err.println(Thread.currentThread()+": EDT START - edt: "+nedt);
+            System.err.println(Thread.currentThread()+": AWT-EDT START - edt: "+nedt);
             // Thread.dumpStack();
         }
         nedt.start();
@@ -124,9 +124,6 @@ public class AWTEDTUtil implements EDTUtil {
     }
     
     private void invokeImpl(boolean wait, Runnable task, boolean stop) {
-        if(task == null) {
-            throw new RuntimeException("Null Runnable");
-        }
         Throwable throwable = null;
         RunnableTask rTask = null;
         Object rTaskLock = new Object();
@@ -135,7 +132,7 @@ public class AWTEDTUtil implements EDTUtil {
                 if( nedt.shouldStop ) {
                     // drop task ..
                     if(DEBUG) {
-                        System.err.println("Warning: EDT about (1) to stop, won't enqueue new task: "+nedt);
+                        System.err.println(Thread.currentThread()+": Warning: AWT-EDT about (1) to stop, won't enqueue new task: "+nedt);
                         Thread.dumpStack();
                     }
                     return; 
@@ -143,20 +140,24 @@ public class AWTEDTUtil implements EDTUtil {
                 // System.err.println(Thread.currentThread()+" XXX stop: "+stop+", tasks: "+edt.tasks.size()+", task: "+task);
                 // Thread.dumpStack();
                 if(stop) {
-                    nedt.shouldStop = true;
+                    synchronized(nedt.sync) {
+                        nedt.shouldStop = true;
+                        nedt.sync.notifyAll(); // stop immediate if waiting (poll freq)
+                    }
                     if(DEBUG) {
-                        System.err.println(Thread.currentThread()+": EDT signal STOP (on edt: "+isCurrentThreadEDT()+") - "+nedt);
+                        System.err.println(Thread.currentThread()+": AWT-EDT signal STOP (on edt: "+isCurrentThreadEDT()+") - "+nedt);
                         // Thread.dumpStack();
                     }
+                } else if( !nedt.isRunning() ) {
+                    // start if should not stop && not started yet
+                    startImpl();
                 }
-                if( isCurrentThreadEDT() ) {
+                if( null == task ) {
+                    wait = false;
+                } else if( isCurrentThreadEDT() ) {
                     task.run();
                     wait = false; // running in same thread (EDT) -> no wait
                 } else {            
-                    // start if should not stop && not started yet                    
-                    if( !stop && !nedt.isRunning() ) {
-                        startImpl();
-                    }
                     rTask = new RunnableTask(task,
                                              wait ? rTaskLock : null,
                                              true /* always catch and report Exceptions, don't disturb EDT */);
@@ -239,7 +240,7 @@ public class AWTEDTUtil implements EDTUtil {
         @Override
         final public void run() {
             if(DEBUG) {
-                System.err.println(getName()+": EDT run() START "+ getName());
+                System.err.println(getName()+": AWT-EDT run() START "+ getName());
             }
             RuntimeException error = null;
             try {
@@ -269,11 +270,11 @@ public class AWTEDTUtil implements EDTUtil {
                 if(t instanceof RuntimeException) {
                     error = (RuntimeException) t;
                 } else {
-                    error = new RuntimeException("Within EDT", t);
+                    error = new RuntimeException("Within AWT-EDT", t);
                 }
             } finally {
                 if(DEBUG) {
-                    System.err.println(getName()+": EDT run() END "+ getName()+", "+error); 
+                    System.err.println(getName()+": AWT-EDT run() END "+ getName()+", "+error); 
                 }
                 synchronized(edtLock) {
                     isRunning = !shouldStop;
@@ -282,7 +283,7 @@ public class AWTEDTUtil implements EDTUtil {
                     }
                 }
                 if(DEBUG) {
-                    System.err.println(getName()+": EDT run() EXIT "+ getName()+", exception: "+error);
+                    System.err.println(getName()+": AWT-EDT run() EXIT "+ getName()+", exception: "+error);
                 }
                 if(null!=error) {
                     throw error;
diff --git a/src/newt/classes/jogamp/newt/driver/windows/WindowDriver.java b/src/newt/classes/jogamp/newt/driver/windows/WindowDriver.java
index 6aac8617c..2ec88852c 100644
--- a/src/newt/classes/jogamp/newt/driver/windows/WindowDriver.java
+++ b/src/newt/classes/jogamp/newt/driver/windows/WindowDriver.java
@@ -71,13 +71,15 @@ public class WindowDriver extends WindowImpl {
         if (0 != hdc) {
             throw new InternalError("surface not released");
         }
-        hdc = GDI.GetDC(getWindowHandle());
-        hmon = MonitorFromWindow0(getWindowHandle());
+        final long hWnd = getWindowHandle();
+        hdc = GDI.GetDC(hWnd);
         
         // return ( 0 == hdc ) ? LOCK_SURFACE_NOT_READY : ( hdc_old != hdc ) ? LOCK_SURFACE_CHANGED : LOCK_SUCCESS ;
         if( 0 == hdc ) { 
             return LOCK_SURFACE_NOT_READY;
-        }
+        }        
+        hmon = MonitorFromWindow0(hWnd);
+        
         if( hdc_old == hdc ) {
             return LOCK_SUCCESS;
         }
@@ -217,14 +219,14 @@ public class WindowDriver extends WindowImpl {
 
     @Override
     protected boolean setPointerVisibleImpl(final boolean pointerVisible) {
-        final Boolean[] res = new Boolean[] { Boolean.FALSE };
+        final boolean[] res = new boolean[] { false };
         
         this.runOnEDTIfAvail(true, new Runnable() {
             public void run() {
-                res[0] = Boolean.valueOf(setPointerVisible0(getWindowHandle(), pointerVisible));
+                res[0] = setPointerVisible0(getWindowHandle(), pointerVisible);
             }
         });
-        return res[0].booleanValue();
+        return res[0];
     }
 
     @Override
diff --git a/src/newt/classes/com/jogamp/newt/swt/SWTEDTUtil.java b/src/newt/classes/jogamp/newt/swt/SWTEDTUtil.java
index 42e1c9be5..7297e5858 100644
--- a/src/newt/classes/com/jogamp/newt/swt/SWTEDTUtil.java
+++ b/src/newt/classes/jogamp/newt/swt/SWTEDTUtil.java
@@ -25,9 +25,7 @@
  * authors and should not be interpreted as representing official policies, either expressed
  * or implied, of JogAmp Community.
  */
-package com.jogamp.newt.swt;
-
-import java.awt.EventQueue;
+package jogamp.newt.swt;
 
 import javax.media.nativewindow.NativeWindowException;
 
@@ -83,7 +81,7 @@ public class SWTEDTUtil implements EDTUtil {
         synchronized(edtLock) { 
             waitUntilStopped();
             if(DEBUG) {
-                System.err.println(Thread.currentThread()+": EDT reset - edt: "+nedt);
+                System.err.println(Thread.currentThread()+": SWT-EDT reset - edt: "+nedt);
             }
             this.nedt = new NewtEventDispatchThread(threadGroup, name);
             this.nedt.setDaemon(true); // don't stop JVM from shutdown ..
@@ -92,13 +90,13 @@ public class SWTEDTUtil implements EDTUtil {
 
     private final void startImpl() {
         if(nedt.isAlive()) {
-            throw new RuntimeException("EDT Thread.isAlive(): true, isRunning: "+nedt.isRunning()+", edt: "+nedt);
+            throw new RuntimeException("SWT-EDT Thread.isAlive(): true, isRunning: "+nedt.isRunning()+", edt: "+nedt);
         }
         start_iter++;
         nedt.setName(name+start_iter);
         nedt.shouldStop = false;
         if(DEBUG) {
-            System.err.println(Thread.currentThread()+": EDT START - edt: "+nedt);
+            System.err.println(Thread.currentThread()+": SWT-EDT START - edt: "+nedt);
             // Thread.dumpStack();
         }
         nedt.start();
@@ -136,9 +134,6 @@ public class SWTEDTUtil implements EDTUtil {
     }
     
     private void invokeImpl(boolean wait, Runnable task, boolean stop) {
-        if(task == null) {
-            throw new RuntimeException("Null Runnable");
-        }
         Throwable throwable = null;
         RunnableTask rTask = null;
         Object rTaskLock = new Object();
@@ -147,7 +142,7 @@ public class SWTEDTUtil implements EDTUtil {
                 if( nedt.shouldStop ) {
                     // drop task ..
                     if(DEBUG) {
-                        System.err.println("Warning: EDT about (1) to stop, won't enqueue new task: "+nedt);
+                        System.err.println(Thread.currentThread()+": Warning: SWT-EDT about (1) to stop, won't enqueue new task: "+nedt);
                         Thread.dumpStack();
                     }
                     return; 
@@ -155,22 +150,26 @@ public class SWTEDTUtil implements EDTUtil {
                 // System.err.println(Thread.currentThread()+" XXX stop: "+stop+", tasks: "+edt.tasks.size()+", task: "+task);
                 // Thread.dumpStack();
                 if(stop) {
-                    nedt.shouldStop = true;
+                    synchronized(nedt.sync) {
+                        nedt.shouldStop = true;
+                        nedt.sync.notifyAll(); // stop immediate if waiting (poll freq)
+                    }
                     if(DEBUG) {
-                        System.err.println(Thread.currentThread()+": EDT signal STOP (on edt: "+isCurrentThreadEDT()+") - "+nedt);
+                        System.err.println(Thread.currentThread()+": SWT-EDT signal STOP (on edt: "+isCurrentThreadEDT()+") - "+nedt);
                         // Thread.dumpStack();
                     }
+                } else if( !nedt.isRunning() ) {
+                    // start if should not stop && not started yet
+                    startImpl();
                 }
-                if( isCurrentThreadEDT() ) {
+                if( null == task ) {
+                    wait = false;
+                } else if( isCurrentThreadEDT() ) {
                     task.run();
                     wait = false; // running in same thread (EDT) -> no wait
                 } else if( swtDisplay.isDisposed() ) {
                     wait = false; // drop task, SWT disposed 
                 } else {
-                    // start if should not stop && not started yet                    
-                    if( !stop && !nedt.isRunning() ) {
-                        startImpl();
-                    }
                     rTask = new RunnableTask(task,
                                              wait ? rTaskLock : null,
                                              true /* always catch and report Exceptions, don't disturb EDT */);
@@ -255,7 +254,7 @@ public class SWTEDTUtil implements EDTUtil {
         @Override
         final public void run() {
             if(DEBUG) {
-                System.err.println(getName()+": EDT run() START "+ getName());
+                System.err.println(getName()+": SWT-EDT run() START "+ getName());
             }
             RuntimeException error = null;
             try {
@@ -289,11 +288,11 @@ public class SWTEDTUtil implements EDTUtil {
                 if(t instanceof RuntimeException) {
                     error = (RuntimeException) t;
                 } else {
-                    error = new RuntimeException("Within EDT", t);
+                    error = new RuntimeException("Within SWT-EDT", t);
                 }
             } finally {
                 if(DEBUG) {
-                    System.err.println(getName()+": EDT run() END "+ getName()+", "+error); 
+                    System.err.println(getName()+": SWT-EDT run() END "+ getName()+", "+error); 
                 }
                 synchronized(edtLock) {
                     isRunning = !shouldStop;
@@ -302,7 +301,7 @@ public class SWTEDTUtil implements EDTUtil {
                     }
                 }
                 if(DEBUG) {
-                    System.err.println(getName()+": EDT run() EXIT "+ getName()+", exception: "+error);
+                    System.err.println(getName()+": SWT-EDT run() EXIT "+ getName()+", exception: "+error);
                 }
                 if(null!=error) {
                     throw error;
diff --git a/src/newt/classes/jogamp/newt/swt/event/SWTNewtEventFactory.java b/src/newt/classes/jogamp/newt/swt/event/SWTNewtEventFactory.java
new file mode 100644
index 000000000..e238f5d9e
--- /dev/null
+++ b/src/newt/classes/jogamp/newt/swt/event/SWTNewtEventFactory.java
@@ -0,0 +1,249 @@
+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+ 
+package jogamp.newt.swt.event;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
+
+import com.jogamp.common.util.IntIntHashMap;
+import com.jogamp.newt.event.InputEvent;
+
+/**
+ * SWT event translator to NEWT, inclusive dispatch listener.
+ * <p>
+ * <b>Disclaimer:</b> This code is merely tested and subject to change.
+ * </p>
+ */
+public class SWTNewtEventFactory {
+
+    protected static final IntIntHashMap eventTypeSWT2NEWT;
+
+    static {
+        IntIntHashMap map = new IntIntHashMap();
+        map.setKeyNotFoundValue(0xFFFFFFFF);
+        
+        // map.put(SWT.MouseXXX, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_CLICKED);
+        map.put(SWT.MouseDown, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_PRESSED);
+        map.put(SWT.MouseUp, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_RELEASED);
+        map.put(SWT.MouseMove, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_MOVED);
+        map.put(SWT.MouseEnter, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_ENTERED);
+        map.put(SWT.MouseExit, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_EXITED);
+        // map.put(SWT.MouseXXX, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_DRAGGED);
+        map.put(SWT.MouseVerticalWheel, com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_WHEEL_MOVED);
+
+        map.put(SWT.KeyDown, com.jogamp.newt.event.KeyEvent.EVENT_KEY_PRESSED);
+        map.put(SWT.KeyUp, com.jogamp.newt.event.KeyEvent.EVENT_KEY_RELEASED);
+        // map.put(SWT.KeyXXX, com.jogamp.newt.event.KeyEvent.EVENT_KEY_TYPED);
+
+        eventTypeSWT2NEWT = map;
+    }
+
+    public static final int swtModifiers2Newt(int awtMods, boolean mouseHint) {
+        int newtMods = 0;
+        if ((awtMods & SWT.SHIFT) != 0)     newtMods |= com.jogamp.newt.event.InputEvent.SHIFT_MASK;
+        if ((awtMods & SWT.CTRL) != 0)      newtMods |= com.jogamp.newt.event.InputEvent.CTRL_MASK;
+        if ((awtMods & SWT.ALT) != 0)      newtMods |= com.jogamp.newt.event.InputEvent.ALT_MASK;
+        return newtMods;
+    }
+
+    public static final com.jogamp.newt.event.InputEvent createInputEvent(org.eclipse.swt.widgets.Event event, Object source) {
+        com.jogamp.newt.event.InputEvent res = createMouseEvent(event, source);
+        if(null == res) {
+            res = createKeyEvent(event, source);
+        }
+        return res;
+    }
+    
+    public static final com.jogamp.newt.event.MouseEvent createMouseEvent(org.eclipse.swt.widgets.Event event, Object source) {
+        switch(event.type) {
+            case SWT.MouseDown:
+            case SWT.MouseUp:
+            case SWT.MouseMove:
+            case SWT.MouseEnter:
+            case SWT.MouseExit:
+            case SWT.MouseVerticalWheel:
+                break;
+            default:
+                return null;
+        }
+        int type = eventTypeSWT2NEWT.get(event.type);
+        if(0xFFFFFFFF != type) {
+            int rotation = 0;
+            if (SWT.MouseVerticalWheel == event.type) {
+                // SWT/NEWT rotation is reversed - AWT +1 is down, NEWT +1 is up.
+                // rotation = -1 * (int) event.rotation;
+                rotation = (int) event.rotation;
+            }
+
+            int mods = swtModifiers2Newt(event.stateMask, true);
+            
+            if( source instanceof com.jogamp.newt.Window) {
+                final com.jogamp.newt.Window newtSource = (com.jogamp.newt.Window)source;
+                if(newtSource.isPointerConfined()) {
+                    mods |= InputEvent.CONFINED_MASK;
+                }
+                if(!newtSource.isPointerVisible()) {
+                    mods |= InputEvent.INVISIBLE_MASK;
+                }
+            }
+            
+            return new com.jogamp.newt.event.MouseEvent(
+                           type, (null==source)?(Object)event.data:source, (0xFFFFFFFFL & (long)event.time),
+                           mods, event.x, event.y, event.count, event.button, rotation);
+        }
+        return null; // no mapping ..
+    }
+
+    public static final com.jogamp.newt.event.KeyEvent createKeyEvent(org.eclipse.swt.widgets.Event event, Object source) {
+        switch(event.type) {
+            case SWT.KeyDown:
+            case SWT.KeyUp:
+                break;
+            default:
+                return null;
+        }
+        int type = eventTypeSWT2NEWT.get(event.type);
+        if(0xFFFFFFFF != type) {
+            return new com.jogamp.newt.event.KeyEvent(
+                           type, (null==source)?(Object)event.data:source, (0xFFFFFFFFL & (long)event.time),
+                           swtModifiers2Newt(event.stateMask, false), 
+                           event.keyCode, event.character);
+        }
+        return null; // no mapping ..
+    }
+    
+    //
+    //
+    //
+    
+    int dragButtonDown = 0;
+    
+    public SWTNewtEventFactory() {
+        resetButtonsDown();
+    }
+    
+    final void resetButtonsDown() {
+        dragButtonDown = 0;
+    }
+    
+    public final boolean dispatchMouseEvent(org.eclipse.swt.widgets.Event event, Object source, com.jogamp.newt.event.MouseListener l) {
+        com.jogamp.newt.event.MouseEvent res = createMouseEvent(event, source);
+        if(null != res) {
+            if(null != l) {
+                switch(event.type) {
+                    case SWT.MouseDown:               
+                        dragButtonDown = event.button;
+                        l.mousePressed(res); break;
+                    case SWT.MouseUp:
+                        dragButtonDown = 0;
+                        l.mouseReleased(res);
+                        {
+                            final com.jogamp.newt.event.MouseEvent res2 = new com.jogamp.newt.event.MouseEvent(
+                                           com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_CLICKED, 
+                                           res.getSource(),
+                                           res.getWhen(), res.getModifiers(),
+                                           res.getX(), res.getY(), res.getClickCount(),
+                                           res.getButton(), res.getWheelRotation() );
+                            l.mouseClicked(res2);
+                        }
+                        break;
+                    case SWT.MouseMove:
+                        if( 0 < dragButtonDown ) {
+                            final com.jogamp.newt.event.MouseEvent res2 = new com.jogamp.newt.event.MouseEvent(
+                                           com.jogamp.newt.event.MouseEvent.EVENT_MOUSE_DRAGGED, 
+                                           res.getSource(),
+                                           res.getWhen(), res.getModifiers(),
+                                           res.getX(), res.getY(), res.getClickCount(),
+                                           dragButtonDown, res.getWheelRotation() );
+                            l.mouseDragged( res2 );
+                        } else {
+                            l.mouseMoved(res);
+                        }
+                        break;
+                    case SWT.MouseEnter:
+                        l.mouseEntered(res); 
+                        break;
+                    case SWT.MouseExit:
+                        resetButtonsDown();
+                        l.mouseExited(res); 
+                        break;
+                    case SWT.MouseVerticalWheel:
+                        l.mouseWheelMoved(res); 
+                        break;
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    public final boolean dispatchKeyEvent(org.eclipse.swt.widgets.Event event, Object source, com.jogamp.newt.event.KeyListener l) {
+        com.jogamp.newt.event.KeyEvent res = createKeyEvent(event, source);
+        if(null != res) {
+            if(null != l) {
+                switch(event.type) {
+                    case SWT.KeyDown:
+                        l.keyPressed(res); 
+                        break;
+                    case SWT.KeyUp:
+                        l.keyReleased(res);
+                        l.keyTyped(res); 
+                        break;
+                }
+            }
+            return true;
+        }
+        return false;
+    }  
+    
+    public final void attachDispatchListener(final org.eclipse.swt.widgets.Control ctrl, final Object source, 
+                                             final com.jogamp.newt.event.MouseListener ml,
+                                             final com.jogamp.newt.event.KeyListener kl) {
+      final Listener listener = new Listener () {
+          @Override
+          public void handleEvent (Event event) {
+              if( dispatchMouseEvent( event, source, ml ) ) {
+                  return;
+              }
+              if( dispatchKeyEvent( event, source, kl ) ) {
+                  return;
+              }
+          } };
+      ctrl.addListener(SWT.MouseDown, listener);
+      ctrl.addListener(SWT.MouseUp, listener);
+      ctrl.addListener(SWT.MouseMove, listener);
+      ctrl.addListener(SWT.MouseEnter, listener);
+      ctrl.addListener(SWT.MouseExit, listener);
+      ctrl.addListener(SWT.MouseVerticalWheel, listener);
+      ctrl.addListener(SWT.KeyDown, listener);
+      ctrl.addListener(SWT.KeyUp, listener);
+    }
+}
+
diff --git a/src/newt/native/WindowsWindow.c b/src/newt/native/WindowsWindow.c
index e3d5cffa0..e7b454580 100644
--- a/src/newt/native/WindowsWindow.c
+++ b/src/newt/native/WindowsWindow.c
@@ -1034,23 +1034,22 @@ static LRESULT CALLBACK wndProc(HWND wnd, UINT message, WPARAM wParam, LPARAM lP
     case WM_PAINT: {
         RECT r;
         useDefWindowProc = 0;
-        if (GetUpdateRect(wnd, &r, TRUE /* erase background */)) {
-            /*
-            jint width = r.right-r.left;
-            jint height = r.bottom-r.top;
-            if (width > 0 && height > 0) {
-                (*env)->CallVoidMethod(env, window, windowRepaintID, JNI_FALSE, r.left, r.top, width, height);
-            }
-            ValidateRect(wnd, &r);
-            */
+        if (GetUpdateRect(wnd, &r, FALSE /* do not erase background */)) {
+            // clear the whole client area and issue repaint for it, w/o looping through erase background
+            ValidateRect(wnd, NULL); // clear all!
+            (*env)->CallVoidMethod(env, window, windowRepaintID, JNI_FALSE, 0, 0, -1, -1);
+        } else {
+            // shall not happen ?
+            ValidateRect(wnd, NULL); // clear all!
         }
+        // return 0 == done
         break;
     }
     case WM_ERASEBKGND:
         // ignore erase background
         (*env)->CallVoidMethod(env, window, windowRepaintID, JNI_FALSE, 0, 0, -1, -1);
         useDefWindowProc = 0;
-        res = 1; // OpenGL, etc .. erases the background, hence we claim to have just done this
+        res = 1; // return 1 == done, OpenGL, etc .. erases the background, hence we claim to have just done this
         break;
 
 
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java
index e9fe9b401..a3023538f 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/GearsES2.java
@@ -60,8 +60,8 @@ public class GearsES2 implements GLEventListener {
     private int swapInterval = 0;
     private boolean pmvUseBackingArray = true; // the default for PMVMatrix now, since it's faster
     // private MouseListener gearsMouse = new TraceMouseAdapter(new GearsMouseAdapter());
-    private MouseListener gearsMouse = new GearsMouseAdapter();    
-    private KeyListener gearsKeys = new GearsKeyAdapter();
+    public MouseListener gearsMouse = new GearsMouseAdapter();    
+    public KeyListener gearsKeys = new GearsKeyAdapter();
 
     private int prevMouseX, prevMouseY;
     private boolean doRotate = true;
@@ -352,6 +352,10 @@ public class GearsES2 implements GLEventListener {
                 window = (Window) source;
                 width=window.getWidth();
                 height=window.getHeight();
+            } else if (source instanceof GLAutoDrawable) {
+                GLAutoDrawable glad = (GLAutoDrawable) source;
+                width = glad.getWidth();
+                height = glad.getHeight();
             } else if (GLProfile.isAWTAvailable() && source instanceof java.awt.Component) {
                 java.awt.Component comp = (java.awt.Component) source;
                 width=comp.getWidth();
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTBug628ResizeDeadlock.java b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTBug628ResizeDeadlock.java
index 9c0762c12..1f3bf3156 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTBug628ResizeDeadlock.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestNewtCanvasSWTBug628ResizeDeadlock.java
@@ -65,7 +65,7 @@ import com.jogamp.opengl.test.junit.util.UITestCase;
 
 public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
     
-    static int duration = 1000;
+    static int duration = 500;
     
     static class BigFlashingX implements GLEventListener
     {    
@@ -262,7 +262,7 @@ public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
                     shell = new Shell( display );
                     Assert.assertNotNull( shell );
                     shell.setLayout( new FillLayout() );
-                    composite = new Composite( shell, SWT.NONE );
+                    composite = new Composite( shell, SWT.NO_BACKGROUND );
                     composite.setLayout( new FillLayout() );
                     Assert.assertNotNull( composite );
                 }});            
@@ -301,10 +301,9 @@ public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
         dsc.init();
                 
         final GLWindow glWindow;
-        final NewtCanvasSWT canvas;
         {
             final GLProfile gl2Profile = GLProfile.get( GLProfile.GL2 ) ;
-            GLCapabilities caps = new GLCapabilities( gl2Profile ) ;
+            final GLCapabilities caps = new GLCapabilities( gl2Profile ) ;
             glWindow = GLWindow.create( caps ) ;
             glWindow.addGLEventListener( new BigFlashingX() ) ;
             glWindow.addKeyListener(new KeyAdapter() {
@@ -314,7 +313,7 @@ public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
                     glWindow.display();                    
                 }                
             });
-            canvas = NewtCanvasSWT.create( dsc.composite, 0, glWindow ) ;
+            NewtCanvasSWT.create( dsc.composite, 0, glWindow ) ;
         }
             
         dsc.display.syncExec( new Runnable() {
@@ -342,7 +341,7 @@ public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
         }
         
         {
-            new Thread(new Runnable() {
+            final Thread t = new Thread(new Runnable() {
                 @Override
                 public void run() {
                     try {
@@ -360,13 +359,16 @@ public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
                     } catch( InterruptedException e ) { }
                     shallStop = true;
                     dsc.display.wake();
-                } } ).start();
+                } } );
+            t.setDaemon(true);
+            t.start();
         }
                 
         try {
             while( !shallStop && !dsc.display.isDisposed() ) {
-                if( !dsc.display.readAndDispatch() ) {
-                    dsc.display.sleep();
+                if( !dsc.display.readAndDispatch() && !shallStop ) {
+                    // blocks on linux .. dsc.display.sleep();
+                    Thread.sleep(10);
                 }
             }
         } catch (Exception e0) {
@@ -374,8 +376,7 @@ public class TestNewtCanvasSWTBug628ResizeDeadlock extends UITestCase {
             Assert.assertTrue("Deadlock @ dispatch: "+e0, false);
         }
         
-        System.err.println("NewtCanvasAWT Dispose");
-        canvas.dispose();
+        // canvas is disposed implicit, due to it's disposed listener !
         
         dsc.dispose();
     }
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTBug643AsyncExec.java b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTBug643AsyncExec.java
new file mode 100644
index 000000000..97b3ab243
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTBug643AsyncExec.java
@@ -0,0 +1,343 @@
+/**
+ * Copyright 2012 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opengl.test.junit.jogl.swt;
+
+import java.awt.AWTException;
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.swt.SWT ;
+
+import org.eclipse.swt.layout.FillLayout ;
+
+import org.eclipse.swt.widgets.Composite ;
+import org.eclipse.swt.widgets.Display ;
+import org.eclipse.swt.widgets.Shell ;
+import org.junit.Assume;
+import org.junit.Test;
+
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLCapabilities ;
+import javax.media.opengl.GLProfile;
+
+import jogamp.newt.swt.SWTEDTUtil;
+import jogamp.newt.swt.event.SWTNewtEventFactory;
+import junit.framework.Assert;
+
+import com.jogamp.nativewindow.swt.SWTAccessor;
+import com.jogamp.newt.opengl.GLWindow ;
+import com.jogamp.newt.swt.NewtCanvasSWT ;
+import com.jogamp.opengl.swt.GLCanvas;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
+import com.jogamp.opengl.test.junit.util.MiscUtils;
+import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.util.Animator;
+
+////////////////////////////////////////////////////////////////////////////////
+
+
+public class TestSWTBug643AsyncExec extends UITestCase {
+    
+    static int duration = 500;
+    static boolean useAnimator = false;
+    
+    ////////////////////////////////////////////////////////////////////////////////
+    
+    static void resetSWTAndNEWTEDTCounter() {
+        synchronized(swtCountSync) {
+            swtCount=0;
+        }
+        synchronized(edtCountSync) {
+            edtCount=0;
+        }
+    }
+    static int incrSWTCount() {
+        synchronized(swtCountSync) {
+            swtCount++;
+            return swtCount;
+        }
+    }
+    static int getSWTCount() {
+        synchronized(swtCountSync) {
+            return swtCount;
+        }
+    }
+    static int incrNEWTCount() {
+        synchronized(edtCountSync) {
+            edtCount++;
+            return edtCount;
+        }
+    }
+    static int getNEWTCount() {
+        synchronized(edtCountSync) {
+            return edtCount;
+        }
+    }
+    static Object swtCountSync = new Object();
+    static int swtCount = 0;    
+    static Object edtCountSync = new Object();
+    static int edtCount = 0;    
+    
+    ////////////////////////////////////////////////////////////////////////////////
+    
+    static class AsyncExecEDTFeederThread extends Thread {
+        volatile boolean shallStop = false;
+        private Display swtDisplay ;
+        private jogamp.newt.DisplayImpl newtDisplay;
+        private int swtN, newtN ;
+    
+        public AsyncExecEDTFeederThread( Display swtDisplay, com.jogamp.newt.Display newtDisplay )
+        {
+            super();
+            this.swtDisplay = swtDisplay ;
+            this.newtDisplay = (jogamp.newt.DisplayImpl)newtDisplay;
+        }
+        
+        final Runnable swtAsyncAction = new Runnable() {
+            public void run()
+            {
+                ++swtN ; incrSWTCount();
+                System.err.println("[SWT A-i shallStop "+shallStop+"]: Counter[loc "+swtN+", glob: "+getSWTCount()+"]");
+            }  };
+            
+        final Runnable newtAsyncAction = new Runnable() {
+            public void run()
+            {
+                ++newtN ; incrNEWTCount();
+                System.err.println("[NEWT A-i shallStop "+shallStop+"]: Counter[loc "+newtN+", glob: "+getNEWTCount()+"]");
+            }  };
+        
+        public void run()
+        {
+            System.err.println("[A-0 shallStop "+shallStop+"]");
+            
+            while( !shallStop && !swtDisplay.isDisposed() )
+            {
+                try
+                {
+                    swtDisplay.asyncExec( swtAsyncAction );
+                    if(null != newtDisplay && newtDisplay.isNativeValid() && newtDisplay.getEDTUtil().isRunning()) {
+                        // only perform async exec on valid and already running NEWT EDT!
+                        newtDisplay.runOnEDTIfAvail(false, newtAsyncAction);
+                    }
+                    Thread.sleep( 50L ) ;                    
+                } catch( InterruptedException e ) {
+                    break ;
+                }
+            }
+            System.err.println("*R-Exit* shallStop "+shallStop);
+        }
+    }
+    
+    ////////////////////////////////////////////////////////////////////////////////
+    
+    private volatile boolean shallStop = false;
+    
+    static class SWT_DSC {
+        Display display;
+        Shell shell;
+        Composite composite;
+        
+        public void init() {
+            SWTAccessor.invoke(true, new Runnable() {
+                public void run() {        
+                    display = new Display();
+                    Assert.assertNotNull( display );
+                }});
+            
+            display.syncExec(new Runnable() {
+                public void run() {        
+                    shell = new Shell( display );
+                    Assert.assertNotNull( shell );
+                    shell.setLayout( new FillLayout() );
+                    composite = new Composite( shell, SWT.NO_BACKGROUND );
+                    composite.setLayout( new FillLayout() );
+                    Assert.assertNotNull( composite );
+                }});            
+        }
+        
+        public void dispose() {
+            Assert.assertNotNull( display );
+            Assert.assertNotNull( shell );
+            Assert.assertNotNull( composite );
+            try {
+                display.syncExec(new Runnable() {
+                   public void run() {
+                    composite.dispose();
+                    shell.dispose();
+                   }});
+                SWTAccessor.invoke(true, new Runnable() {
+                   public void run() {
+                    display.dispose();
+                   }});
+            }
+            catch( Throwable throwable ) {
+                throwable.printStackTrace();
+                Assume.assumeNoException( throwable );
+            }
+            display = null;
+            shell = null;
+            composite = null;            
+        }
+    }
+    
+    private void testImpl(boolean useJOGLGLCanvas, boolean useNewtCanvasSWT, boolean glWindowPreVisible) throws InterruptedException, AWTException, InvocationTargetException {
+        resetSWTAndNEWTEDTCounter();
+        
+        final SWT_DSC dsc = new SWT_DSC();
+        dsc.init();
+                
+        final com.jogamp.newt.Display newtDisplay;
+        {
+            final GLProfile gl2Profile = GLProfile.get( GLProfile.GL2 ) ;
+            final GLCapabilities caps = new GLCapabilities( gl2Profile ) ;
+            
+            final GLAutoDrawable glad;
+            if( useJOGLGLCanvas ) {
+                final GearsES2 demo = new GearsES2();
+                final GLCanvas glc = GLCanvas.create(dsc.composite, 0, caps, null, null);
+                final SWTNewtEventFactory swtNewtEventFactory = new SWTNewtEventFactory();
+                swtNewtEventFactory.attachDispatchListener(glc, glc, demo.gearsMouse, demo.gearsKeys);
+                glc.addGLEventListener( demo ) ;
+                glad = glc; 
+                newtDisplay = null;                
+            } else if( useNewtCanvasSWT ) {
+                final GLWindow glWindow = GLWindow.create( caps ) ;
+                glWindow.addGLEventListener( new GearsES2() ) ;
+                newtDisplay = glWindow.getScreen().getDisplay();
+                if( glWindowPreVisible ) {
+                    newtDisplay.setEDTUtil(new SWTEDTUtil(newtDisplay, dsc.display)); // Especially Windows requires creation access via same thread!
+                    glWindow.setVisible(true);
+                    AWTRobotUtil.waitForRealized(glWindow, true);
+                    Thread.sleep(120); // let it render a bit, before consumed by SWT                   
+                }
+                glad = glWindow;
+                NewtCanvasSWT.create( dsc.composite, 0, glWindow ) ;                
+            } else {
+                throw new InternalError("XXX");
+            }
+            if(useAnimator) {
+                Animator animator = new Animator(glad);
+                animator.start();
+            }
+        }
+            
+        System.err.println("**** Pre Shell Open");
+        dsc.display.syncExec( new Runnable() {
+            public void run() {
+               dsc.shell.setText( "NewtCanvasSWT Resize Bug Demo" ) ;
+               dsc.shell.setSize( 400, 450 ) ;
+               dsc.shell.open() ;
+            } } );
+        System.err.println("**** Post Shell Open");
+
+        shallStop = false;
+                
+        final int[] counterBeforeExit = new int[] { 0 /* SWT */, 0 /* NEWT */ };
+        
+        final AsyncExecEDTFeederThread asyncExecFeeder;
+        {
+            asyncExecFeeder = new AsyncExecEDTFeederThread(dsc.display, newtDisplay) ;
+            asyncExecFeeder.start() ;
+        }
+        
+        {
+            final Thread t = new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        Thread.sleep(duration);
+                    } catch (InterruptedException e) {}
+                    
+                    counterBeforeExit[0] = getSWTCount();
+                    counterBeforeExit[1] = getNEWTCount();
+                    asyncExecFeeder.shallStop = true;
+                    try
+                    {
+                        asyncExecFeeder.join();
+                    } catch( InterruptedException e ) { }
+                    shallStop = true;
+                    dsc.display.wake();
+                } } );
+            t.setDaemon(true);
+            t.start();
+        }
+                
+        try {
+            final Display d = dsc.display;            
+            while( !shallStop && !d.isDisposed() ) {
+                if( !d.readAndDispatch() && !shallStop ) {
+                    // blocks on linux .. dsc.display.sleep();
+                    Thread.sleep(10);
+                }
+            }
+        } catch (Exception e0) {
+            e0.printStackTrace();
+            Assert.assertTrue("Deadlock @ dispatch: "+e0, false);
+        }
+                
+        // canvas is disposed implicit, due to it's disposed listener !
+        
+        dsc.dispose();
+        
+        System.err.println("EDT Counter before exit: SWT " + counterBeforeExit[0] + ", NEWT "+counterBeforeExit[1]);
+        Assert.assertTrue("SWT EDT Counter not greater zero before dispose!", 0 < counterBeforeExit[0]);
+        if( null != newtDisplay ) {
+            Assert.assertTrue("NEWT EDT Counter not greater zero before dispose!", 0 < counterBeforeExit[1]);
+        }
+    }
+
+    @Test
+    public void test01JOGLGLCanvas() throws InterruptedException, AWTException, InvocationTargetException {
+        testImpl(true /* useJOGLGLCanvas */, false /* useNewtCanvasSWT */, false /* glWindowPreVisible */);
+    }
+    
+    @Test
+    public void test02NewtCanvasSWTSimple() throws InterruptedException, AWTException, InvocationTargetException {
+        testImpl(false /* useJOGLGLCanvas */, true /* useNewtCanvasSWT */, false /* glWindowPreVisible */);
+    }
+    
+    @Test
+    public void test02NewtCanvasSWTPreVisible() throws InterruptedException, AWTException, InvocationTargetException {
+        testImpl(false /* useJOGLGLCanvas */, true /* useNewtCanvasSWT */, true /* glWindowPreVisible */);
+    }
+    
+    public static void main( String[] args ) {
+        for(int i=0; i<args.length; i++) {
+            if(args[i].equals("-time")) {
+                duration = MiscUtils.atoi(args[++i],  duration);
+            } else if(args[i].equals("-anim")) {
+                useAnimator = true;
+            }
+        }
+        System.out.println("durationPerTest: "+duration);
+        org.junit.runner.JUnitCore.main(TestSWTBug643AsyncExec.class.getName());        
+    }
+    
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java
index 6d9e2219c..1822d2eaf 100644
--- a/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/swt/TestSWTJOGLGLCanvas01GLn.java
@@ -50,17 +50,18 @@ import org.junit.Test;
 import com.jogamp.nativewindow.swt.SWTAccessor;
 import com.jogamp.opengl.swt.GLCanvas;
 import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
+import com.jogamp.opengl.test.junit.jogl.demos.es2.MultisampleDemoES2;
 import com.jogamp.opengl.test.junit.util.UITestCase;
+import com.jogamp.opengl.util.Animator;
 import com.jogamp.opengl.util.GLReadBufferUtil;
 import com.jogamp.opengl.util.texture.TextureIO;
 
 /**
  * Tests that a basic SWT app can open without crashing under different GL profiles.
  * <p> 
- * Uses JOGL's new SWT GLCanvas.
- * </p>
- * <p>
- * Note: To employ custom GLCapabilities, NewtCanvasSWT shall be used.
+ * Uses JOGL's new SWT GLCanvas,
+ * which allows utilizing custom GLCapability settings,
+ * independent from the already instantiated SWT visual.
  * </p>
  * <p>
  * Note that {@link SWTAccessor#invoke(boolean, Runnable)} is still used to comply w/ 
@@ -71,7 +72,8 @@ import com.jogamp.opengl.util.texture.TextureIO;
 public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
 
     static int duration = 250;
-
+    static boolean doAnimation = true;
+    
     static final int iwidth = 640;
     static final int iheight = 480;
 
@@ -90,10 +92,13 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
             public void run() {        
                 display = new Display();
                 Assert.assertNotNull( display );
+            }});
+        display.syncExec(new Runnable() {
+            public void run() {        
                 shell = new Shell( display );
                 Assert.assertNotNull( shell );
                 shell.setLayout( new FillLayout() );
-                composite = new Composite( shell, SWT.NONE );
+                composite = new Composite( shell, SWT.NO_BACKGROUND );
                 composite.setLayout( new FillLayout() );
                 Assert.assertNotNull( composite );
             }});
@@ -105,10 +110,13 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
         Assert.assertNotNull( shell );
         Assert.assertNotNull( composite );
         try {
-            SWTAccessor.invoke(true, new Runnable() {
+            display.syncExec(new Runnable() {
                public void run() {
                 composite.dispose();
                 shell.dispose();
+               }});
+            SWTAccessor.invoke(true, new Runnable() {
+               public void run() {
                 display.dispose();
                }});
         }
@@ -140,13 +148,19 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
            public void dispose(final GLAutoDrawable drawable) { }
         });       
        
-        SWTAccessor.invoke(true, new Runnable() {
+        display.syncExec(new Runnable() {
            public void run() {
             shell.setText( getSimpleTestName(".") );
             shell.setSize( 640, 480 );
             shell.open();
            } } );
         
+        Animator anim = new Animator();
+        if(doAnimation) {
+            anim.add(canvas);
+            anim.start();
+        }        
+        
         long lStartTime = System.currentTimeMillis();
         long lEndTime = lStartTime + duration;
         try {
@@ -160,7 +174,10 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
             throwable.printStackTrace();
             Assume.assumeNoException( throwable );
         }
-        SWTAccessor.invoke(true, new Runnable() {
+        
+        anim.stop();
+        
+        display.syncExec(new Runnable() {
            public void run() {
                canvas.dispose();
            } } );
@@ -171,6 +188,14 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
         runTestAGL( new GLCapabilities(GLProfile.getGL2ES2()), new GearsES2() );
     }
 
+    @Test
+    public void test_MultisampleAndAlpha() throws InterruptedException {
+        GLCapabilities caps = new GLCapabilities(GLProfile.getGL2ES2());
+        caps.setSampleBuffers(true);
+        caps.setNumSamples(2);
+        runTestAGL( caps, new MultisampleDemoES2(true) );
+    }
+    
     static int atoi(String a) {
         int i=0;
         try {
@@ -183,6 +208,8 @@ public class TestSWTJOGLGLCanvas01GLn extends UITestCase {
         for(int i=0; i<args.length; i++) {
             if(args[i].equals("-time")) {
                 duration = atoi(args[++i]);
+            } else if(args[i].equals("-still")) {
+                doAnimation = false;
             }
         }
         System.out.println("durationPerTest: "+duration);
diff --git a/src/test/com/jogamp/opengl/test/junit/newt/TestDisplayLifecycle01NEWT.java b/src/test/com/jogamp/opengl/test/junit/newt/TestDisplayLifecycle01NEWT.java
index c9450c2d6..e4867e3fe 100644
--- a/src/test/com/jogamp/opengl/test/junit/newt/TestDisplayLifecycle01NEWT.java
+++ b/src/test/com/jogamp/opengl/test/junit/newt/TestDisplayLifecycle01NEWT.java
@@ -89,7 +89,7 @@ public class TestDisplayLifecycle01NEWT extends UITestCase {
         Assert.assertEquals(0,display.getReferenceCount());
         Assert.assertEquals(false,display.isNativeValid());
         Assert.assertNotNull(display.getEDTUtil());
-        Assert.assertEquals(false,display.getEDTUtil().isRunning());
+        Assert.assertEquals(true,display.getEDTUtil().isRunning());
         Assert.assertEquals(0,screen.getReferenceCount());
         Assert.assertEquals(false,screen.isNativeValid());
 
@@ -201,6 +201,8 @@ public class TestDisplayLifecycle01NEWT extends UITestCase {
         Assert.assertEquals(false,display.isNativeValid());
         Assert.assertNotNull(display.getEDTUtil());
         Assert.assertEquals(false,display.getEDTUtil().isRunning());
+        display.getEDTUtil().invoke(true, null);
+        Assert.assertEquals(true,display.getEDTUtil().isRunning());
         Assert.assertEquals(0,screen.getReferenceCount());
         Assert.assertEquals(false,screen.isNativeValid());