NativeWindow: Add accessor interfaces NativeSurfaceHolder and NativeWindowHolder

- NativeSurfaceHolder interface allows access to it's implementation's NativeSurface reference.
- NativeWindowHolder interface allows access to it's implementation's NativeWindow reference.

Implement or extend interface w/ these accessors whereever it seems fit:
  - NEWT Window
  - GLDrawable

These accessors allow lower layers to retrieve the NativeSurface/Window instance
w/o knowledge of the 'upper' frameworks, ie. NativeWindow/JOGL or JOGL/NEWT.

Commited in followups (due to mixed semantical changes in those files):
  - JAWTWindow
  - NewtCanvasAWT
  - Some NEWT impl.

2 files changed, 10 insertions, 0 deletions

diff --git a/src/nativewindow/classes/jogamp/nativewindow/WrappedSurface.java b/src/nativewindow/classes/jogamp/nativewindow/WrappedSurface.java
index 4c2b1c875..0460ccb56 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/WrappedSurface.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/WrappedSurface.java
@@ -29,6 +29,7 @@
 package jogamp.nativewindow;
 
 import javax.media.nativewindow.AbstractGraphicsConfiguration;
+import javax.media.nativewindow.NativeSurface;
 import javax.media.nativewindow.ProxySurface;
 import javax.media.nativewindow.SurfaceChangeable;
 
@@ -49,6 +50,10 @@ public class WrappedSurface extends ProxySurface implements  SurfaceChangeable {
     surfaceHandle = 0;
   }
 
+  public NativeSurface getNativeSurface() {
+      return this;
+  }
+  
   public long getSurfaceHandle() {
     return surfaceHandle;
   }
diff --git a/src/nativewindow/classes/jogamp/nativewindow/windows/GDISurface.java b/src/nativewindow/classes/jogamp/nativewindow/windows/GDISurface.java
index 68cf8af45..bf3b649cf 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/windows/GDISurface.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/windows/GDISurface.java
@@ -29,6 +29,7 @@
 package jogamp.nativewindow.windows;
 
 import javax.media.nativewindow.AbstractGraphicsConfiguration;
+import javax.media.nativewindow.NativeSurface;
 import javax.media.nativewindow.NativeWindowException;
 
 import javax.media.nativewindow.ProxySurface;
@@ -56,6 +57,10 @@ public class GDISurface extends ProxySurface {
     surfaceHandle=0;
   }
 
+  public NativeSurface getNativeSurface() {
+      return this;
+  }
+  
   protected int lockSurfaceImpl() {
     if (0 != surfaceHandle) {
         throw new InternalError("surface not released");