GraphUI Scene: Allow attaching GLAutoDrawable manually and adding GLEventListener (API)

1 files changed, 26 insertions, 2 deletions

diff --git a/src/graphui/classes/com/jogamp/graph/ui/Scene.java b/src/graphui/classes/com/jogamp/graph/ui/Scene.java
index 28855d99c..e35ce5c31 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Scene.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Scene.java
@@ -222,7 +222,16 @@ public final class Scene implements Container, GLEventListener {
     @Override
     public final boolean isFrustumCullingEnabled() { return doFrustumCulling; }
 
+    public void attachGLAutoDrawable(final GLAutoDrawable drawable) {
+        cDrawable = drawable;
+    }
+    public void detachGLAutoDrawable(final GLAutoDrawable drawable) {
+        if( cDrawable == drawable ) {
+            cDrawable = null;
+        }
+    }
     public void attachInputListenerTo(final GLWindow window) {
+        cDrawable = window;
         if(null == sbcMouseListener) {
             sbcMouseListener = new SBCMouseListener();
             window.addMouseListener(sbcMouseListener);
@@ -382,7 +391,9 @@ public final class Scene implements Container, GLEventListener {
 
     @Override
     public void init(final GLAutoDrawable drawable) {
-        cDrawable = drawable;
+        if( null == cDrawable ) {
+            cDrawable = drawable;
+        }
         renderer.init(drawable.getGL().getGL2ES2());
     }
 
@@ -407,6 +418,17 @@ public final class Scene implements Container, GLEventListener {
         return false;
     }
 
+    public void addGLEventListener(final GLEventListener listener) {
+        if( null != cDrawable ) {
+            cDrawable.addGLEventListener(listener);
+        }
+    }
+    public void removeGLEventListener(final GLEventListener listener) {
+        if( null != cDrawable ) {
+            cDrawable.removeGLEventListener(listener);
+        }
+    }
+
     /**
      * Reshape scene using {@link #setupMatrix(PMVMatrix4f, int, int, int, int)} using {@link PMVMatrixSetup}.
      * <p>
@@ -543,8 +565,10 @@ public final class Scene implements Container, GLEventListener {
             }
         }
         shapes.clear();
-        cDrawable = null;
         disposeActions.clear();
+        if( drawable == cDrawable ) {
+            cDrawable = null;
+        }
         renderer.destroy(gl);
         screenshot.dispose(gl);
     }