NEWT/OSX: 'Better' child window positioning, still, after reparenting into parent,

          a white window rectangle remains.

.. we also need to understand the absolute screen position better,
ie. when required and when not (at window creation currently).

2 files changed, 9 insertions, 2 deletions

diff --git a/src/newt/classes/com/jogamp/newt/awt/NewtCanvasAWT.java b/src/newt/classes/com/jogamp/newt/awt/NewtCanvasAWT.java
index 5a924149c..929980d52 100644
--- a/src/newt/classes/com/jogamp/newt/awt/NewtCanvasAWT.java
+++ b/src/newt/classes/com/jogamp/newt/awt/NewtCanvasAWT.java
@@ -55,6 +55,7 @@ import jogamp.newt.awt.event.NewtFactoryAWT;
 
 import javax.swing.MenuSelectionManager;
 
+@SuppressWarnings("serial")
 public class NewtCanvasAWT extends java.awt.Canvas implements WindowClosingProtocol {
     public static final boolean DEBUG = Debug.debug("Window");
 
diff --git a/src/newt/classes/jogamp/newt/driver/macosx/MacWindow.java b/src/newt/classes/jogamp/newt/driver/macosx/MacWindow.java
index 8fe32029c..b34f9a26c 100644
--- a/src/newt/classes/jogamp/newt/driver/macosx/MacWindow.java
+++ b/src/newt/classes/jogamp/newt/driver/macosx/MacWindow.java
@@ -200,8 +200,10 @@ public class MacWindow extends WindowImpl {
             }
         }
         {
+            // On MacOSX the absolute position is required to position 
+            // a window - even for a child window!
             final NativeWindow parent = getParent();
-            if(null != parent) {
+            if( null != parent && 0 != parent.getWindowHandle() ) {
                 final Point p = parent.getLocationOnScreen(null);
                 _x += p.getX();
                 _y += p.getY();
@@ -218,7 +220,9 @@ public class MacWindow extends WindowImpl {
         
         if( getWindowHandle() == 0 ) {
             if( 0 != ( FLAG_IS_VISIBLE & flags) ) {
-                createWindow(false, _x, _y, width, height, 0 != ( FLAG_IS_FULLSCREEN & flags));
+                // FIXME: for some reason we do not need (or can use) 
+                // the absolute position at creation time .. need to determine the reason/mechanics.
+                createWindow(false, x, y, width, height, 0 != ( FLAG_IS_FULLSCREEN & flags));
                 this.x = x;
                 this.y = y;
                 visibleChanged(false, true); // no native event ..
@@ -237,6 +241,8 @@ public class MacWindow extends WindowImpl {
             } else if( 0 != ( FLAG_CHANGE_DECORATION & flags) ||
                        0 != ( FLAG_CHANGE_PARENTING & flags) ||
                        0 != ( FLAG_CHANGE_FULLSCREEN & flags) ) {
+                // FIXME: for some reason we do not need (or can use) 
+                // the absolute position at creation time .. need to determine the reason/mechanics.
                 createWindow(true, x, y, width, height, 0 != ( FLAG_IS_FULLSCREEN & flags));
             }
             if(x>=0 && y>=0) {