3 files changed, 53 insertions, 20 deletions
diff --git a/src/newt/native/MacWindow.m b/src/newt/native/MacWindow.m
index 6d7978895..5a35973cd 100644
--- a/src/newt/native/MacWindow.m
+++ b/src/newt/native/MacWindow.m
@@ -700,17 +700,17 @@ JNIEXPORT void JNICALL Java_jogamp_newt_driver_macosx_MacWindow_close0
     NewtMacWindow* mWin = (NewtMacWindow*) ((intptr_t) window);
     NewtView* mView = (NewtView *)[mWin contentView];
     NSWindow* pWin = [mWin parentWindow];
-    DBG_PRINT( "windowClose.0 - %p,%d view %p,%d, parent %p\n", 
-        mWin, getRetainCount(mWin), mView, getRetainCount(mView), pWin);
+    BOOL destroyNotifySent = (NULL != mView) ? [mView getDestroyNotifySent] : false;
+
+    DBG_PRINT( "windowClose.0 - %p,%d, destroyNotifySent %d, view %p,%d, parent %p\n", 
+        mWin, getRetainCount(mWin), destroyNotifySent, mView, getRetainCount(mView), pWin);
 
     if(NULL!=mView) {
+        // cleanup view
         jobject javaWindowObject = [mView getJavaWindowObject];
-        if( false == [mView getDestroyNotifySent] ) {
-            [mView setDestroyNotifySent: true];
-        } else if(NULL!=javaWindowObject) {
-            DBG_PRINT( "windowClose.Error: javaWindowObject not NULL (%p), destroyNotifySent==true\n", javaWindowObject);
-        }
+        [mView setDestroyNotifySent: true];
         if(NULL!=javaWindowObject) {
+            DBG_PRINT( "windowClose.0: Clear global javaWindowObject reference (%p)\n", javaWindowObject);
             (*env)->DeleteGlobalRef(env, javaWindowObject);
             [mView setJavaWindowObject: NULL];
         }
@@ -737,15 +737,19 @@ NS_ENDHANDLER
     DBG_PRINT( "windowClose.1 - %p,%d view %p,%d, parent %p\n", 
         mWin, getRetainCount(mWin), mView, getRetainCount(mView), pWin);
 
-    // '[mWin close]' causes a crash at exit.
-    // This probably happens b/c it sends events to the main loop
-    // but our resources are gone ?!
-    // However, issuing a simple release seems to work quite well.
-    // [mWin release];
-    [mWin performSelectorOnMainThread:@selector(release) withObject:nil waitUntilDone:NO];
+    // Only release window, if release is not yet in process.
+    // E.g. destroyNotifySent:=true set by NewtMacWindow::windowWillClose(), i.e. window-close was clicked.
+    if(!destroyNotifySent) { 
+        // '[mWin close]' causes a crash at exit.
+        // This probably happens b/c it sends events to the main loop
+        // but our resources are gone ?!
+        // However, issuing a simple release seems to work quite well.
+        // [mWin release];
+        [mWin performSelectorOnMainThread:@selector(release) withObject:nil waitUntilDone:NO];
+    }
 
-    DBG_PRINT( "windowClose.X - %p,%d view %p,%d, parent %p\n", 
-        mWin, getRetainCount(mWin), mView, getRetainCount(mView), pWin);
+    DBG_PRINT( "windowClose.X - %p,%d, released %d, view %p,%d, parent %p\n", 
+        mWin, getRetainCount(mWin), !destroyNotifySent, mView, getRetainCount(mView), pWin);
 
     [pool release];
 }
diff --git a/src/newt/native/NewtMacWindow.h b/src/newt/native/NewtMacWindow.h
index f576f75f7..aa460ea88 100644
--- a/src/newt/native/NewtMacWindow.h
+++ b/src/newt/native/NewtMacWindow.h
@@ -65,6 +65,7 @@
 }
 
 - (id)initWithFrame:(NSRect)frameRect;
+- (void) release;
 - (void) dealloc;
 
 /* Set during event dispatching cycle */
@@ -122,6 +123,8 @@
        defer: (BOOL) deferCreation
        screen:(NSScreen *)screen
        isFullscreenWindow:(BOOL)isfs;
+- (void) release;
+- (void) dealloc;
 
 - (void) updateInsets: (JNIEnv*) env;
 - (void) attachToParent: (NSWindow*) parent;
diff --git a/src/newt/native/NewtMacWindow.m b/src/newt/native/NewtMacWindow.m
index 402389e71..187aec7fb 100644
--- a/src/newt/native/NewtMacWindow.m
+++ b/src/newt/native/NewtMacWindow.m
@@ -119,12 +119,25 @@ static jmethodID windowRepaintID = NULL;
     return [super initWithFrame:frameRect];
 }
 
+- (void) release
+{
+#ifdef VERBOSE_ON
+    NSLog(@"NewtView::release\n");
+    NSLog(@"%@",[NSThread callStackSymbols]);
+#endif
+    [super release];
+}
+
 - (void) dealloc
 {
     if(softLocked) {
         NSLog(@"NewtView::dealloc: softLock still hold @ dealloc!\n");
     }
     pthread_mutex_destroy(&softLockSync);
+#ifdef VERBOSE_ON
+    NSLog(@"NewtView::dealloc\n");
+    NSLog(@"%@",[NSThread callStackSymbols]);
+#endif
     [super dealloc];
 }
 
@@ -362,6 +375,24 @@ static jmethodID windowRepaintID = NULL;
     return res;
 }
 
+- (void) release
+{
+#ifdef VERBOSE_ON
+    NSLog(@"NewtWindow::release\n");
+    NSLog(@"%@",[NSThread callStackSymbols]);
+#endif
+    [super release];
+}
+
+- (void) dealloc
+{
+#ifdef VERBOSE_ON
+    NSLog(@"NewtWindow::dealloc\n");
+    NSLog(@"%@",[NSThread callStackSymbols]);
+#endif
+    [super dealloc];
+}
+
 - (void) updateInsets: (JNIEnv*) env
 {
     NSView* nsview = [self contentView];
@@ -940,11 +971,6 @@ static jint mods2JavaMods(NSUInteger mods)
 
         [view setDestroyNotifySent: true];
         (*env)->CallVoidMethod(env, javaWindowObject, windowDestroyNotifyID);
-        // Can't issue call here - locked window state, done from Java method
-
-        // EOL ..
-        (*env)->DeleteGlobalRef(env, javaWindowObject);
-        [view setJavaWindowObject: NULL];
 
         if (shallBeDetached) {
             (*jvmHandle)->DetachCurrentThread(jvmHandle);