diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index 147420545..3b7a2a1d3 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -879,7 +879,6 @@ bool CDriverGL::swapBuffers()
 	}
 
 	[_ctx flushBuffer];
-	[containerView() display];
 
 #elif defined (NL_OS_UNIX)
 
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.h b/code/nel/src/3d/driver/opengl/driver_opengl.h
index 3af14a1d5..3143249c9 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.h
@@ -116,7 +116,7 @@ bool GlWndProc(CDriverGL *driver, HWND hWnd, UINT message, WPARAM wParam, LPARAM
 
 #elif defined (NL_OS_MAC)
 
-bool GlWndProc(CDriverGL *driver, NSEvent* e);
+bool GlWndProc(CDriverGL *driver, const void* e);
 
 #elif defined (NL_OS_UNIX)
 
@@ -705,7 +705,7 @@ private:
 
 #elif defined(NL_OS_MAC)
 
-	friend bool GlWndProc(CDriverGL*, NSEvent*);
+	friend bool GlWndProc(CDriverGL*, const void*);
 	friend void windowDidMove(NSWindow*, CDriverGL*);
 	friend void viewDidResize(NSView*, CDriverGL*);
 
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
index f65979873..8ba37c2df 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
@@ -165,20 +165,21 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM l
 
 #elif defined (NL_OS_MAC)
 
-bool GlWndProc(CDriverGL *driver, NSEvent* e)
+bool GlWndProc(CDriverGL *driver, const void* e)
 {
 	H_AUTO_OGL(GlWndProc)
 
-	// NSLog(@"NSEvent in GlWndProc %@", e);
-
 	if(!driver)
 		return false;
 
-	switch([e type])
+	NSEvent* event = [NSEvent eventWithEventRef:e];
+	// NSLog(@"NSEvent in GlWndProc %@", event);
+
+	switch([event type])
 	{
 		/* TODO handle window activate, close, etc. */
 		default:
-			return driver->_EventEmitter.processMessage(e);
+			return driver->_EventEmitter.processMessage(event);
 	}
 
 	return false;
@@ -967,7 +968,6 @@ bool CDriverGL::setDisplay(nlWindow wnd, const GfxMode &mode, bool show, bool re
 	[[containerView() window] makeFirstResponder:_glView];
 	
 	[_ctx flushBuffer];
-	[containerView() display]; 
 
 	_EventEmitter.init(this, _glView);
 
diff --git a/code/nel/src/3d/driver/opengl/mac/cocoa_event_emitter.cpp b/code/nel/src/3d/driver/opengl/mac/cocoa_event_emitter.cpp
index f1c5e2ad9..3ed9a4fc6 100644
--- a/code/nel/src/3d/driver/opengl/mac/cocoa_event_emitter.cpp
+++ b/code/nel/src/3d/driver/opengl/mac/cocoa_event_emitter.cpp
@@ -233,6 +233,7 @@ bool CCocoaEventEmitter::processMessage(NSEvent* event, CEventServer* server)
 	if(!server && !_server)
 		nlerror("no server to post events to");
 
+	// TODO like internal server in unix event emitter... review!
 	if(!server)
 		server = _server;
 
@@ -247,7 +248,6 @@ bool CCocoaEventEmitter::processMessage(NSEvent* event, CEventServer* server)
 	if((mouseX < 0.0 || mouseX > 1.0 || mouseY < 0.0 || mouseY > 1.0) && 
 			event.type != NSKeyDown && event.type != NSKeyUp)
 	{
-		[NSApp sendEvent:event];
 		return false;
 	}
 
@@ -399,16 +399,15 @@ bool CCocoaEventEmitter::processMessage(NSEvent* event, CEventServer* server)
 	default:
 	{
 		nlwarning("Unknown event type. dropping.");
-		// NSLog(@"%@", event);
+		NSLog(@"%@", event);
 		break;
 	}
 	}
 
-	[NSApp sendEvent:event];
 	return true;
 }
 
-typedef bool (*cocoaProc)(NL3D::IDriver*, NSEvent* e);
+typedef bool (*cocoaProc)(NL3D::IDriver*, const void* e);
 
 void CCocoaEventEmitter::submitEvents(CEventServer& server, bool /* allWins */)
 {
@@ -429,17 +428,18 @@ void CCocoaEventEmitter::submitEvents(CEventServer& server, bool /* allWins */)
 			cocoaProc proc = (cocoaProc)_driver->getWindowProc();
 
 			if(proc)
-				proc(_driver, event);
+				proc(_driver, [event eventRef]);
 		}
 		else
 		{
 			processMessage(event, &server);
 		}
+
+		[NSApp sendEvent:event];
 	}
 	
 	// TODO like internal server in unix event emitter... review!
 	_server = &server;
-	// _server->pump();
 }
 
 void CCocoaEventEmitter::emulateMouseRawMode(bool enable)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
index 107f52775..3cf65baa0 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
@@ -40,7 +40,7 @@ QT4_ADD_RESOURCES( OBJECT_VIEWER_RC_SRCS ${OBJECT_VIEWER_RCS} )
 QT4_WRAP_CPP( OBJECT_VIEWER_MOC_SRCS ${OBJECT_VIEWER_HDR} )
 QT4_WRAP_UI( OBJECT_VIEWER_UI_HDRS ${OBJECT_VIEWER_UIS} )
 
-ADD_EXECUTABLE(object_viewer_qt WIN32 ${OBJECT_VIEWER_SRC} ${OBJECT_VIEWER_MOC_SRCS} ${OBJECT_VIEWER_RC_SRCS} ${OBJECT_VIEWER_UI_HDRS})
+ADD_EXECUTABLE(object_viewer_qt WIN32 MACOSX_BUNDLE ${OBJECT_VIEWER_SRC} ${OBJECT_VIEWER_MOC_SRCS} ${OBJECT_VIEWER_RC_SRCS} ${OBJECT_VIEWER_UI_HDRS})
 
 TARGET_LINK_LIBRARIES(object_viewer_qt
 		nelmisc 
@@ -60,4 +60,4 @@ IF(WITH_PCH)
   ADD_NATIVE_PRECOMPILED_HEADER(object_viewer_qt ${CMAKE_CURRENT_SOURCE_DIR}/stdpch.h ${CMAKE_CURRENT_SOURCE_DIR}/stdpch.cpp)
 ENDIF(WITH_PCH)
 
-INSTALL(TARGETS object_viewer_qt RUNTIME DESTINATION bin COMPONENT runtime)
+INSTALL(TARGETS object_viewer_qt RUNTIME DESTINATION bin COMPONENT runtime BUNDLE DESTINATION /Applications)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
index daccaa876..99807cef4 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
@@ -60,11 +60,11 @@ void CGraphicsViewport::init()
 	//H_AUTO2
 	nldebug("CGraphicsViewport::init");
 	
-#ifdef NL_OS_UNIX
+#if defined(NL_OS_UNIX) && !defined(NL_OS_MAC)
 	makeCurrent();
-#endif // NL_OS_UNIX
+#endif // defined(NL_OS_UNIX) && !defined(NL_OS_MAC)
 	
-	Modules::objView().init(winId(), width(), height());
+	Modules::objView().init((nlWindow)winId(), width(), height());
 	Modules::psEdit().init();
 
 	setMouseTracking(true);
@@ -115,7 +115,7 @@ void CGraphicsViewport::resizeEvent(QResizeEvent *resizeEvent)
 		Modules::objView().setSizeViewport(resizeEvent->size().width(), resizeEvent->size().height());
 }
 
-#ifdef NL_OS_WINDOWS
+#if defined(NL_OS_WINDOWS)
 
 typedef bool (*winProc)(NL3D::IDriver *driver, HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
 
@@ -133,7 +133,30 @@ bool CGraphicsViewport::winEvent(MSG * message, long * result)
 
 	return false;
 }
-#else // NL_OS_UNIX
+
+#elif defined(NL_OS_MAC)
+
+typedef bool (*cocoaProc)(NL3D::IDriver*, const void* e);
+
+bool CGraphicsViewport::macEvent(EventHandlerCallRef caller, EventRef event)
+{
+	if(caller)
+		nlerror("You are using QtCarbon! Only QtCocoa supported, please upgrade Qt");
+
+	if (Modules::objView().getDriver() && Modules::objView().getDriver()->isActive())
+	{
+		NL3D::IDriver *driver = dynamic_cast<NL3D::CDriverUser*>(Modules::objView().getDriver())->getDriver();
+		if (driver)
+		{
+			cocoaProc proc = (cocoaProc)driver->getWindowProc();
+			return proc(driver, event);
+		}
+	}
+
+	return false;
+}
+
+#elif defined(NL_OS_UNIX)
 
 typedef bool (*x11Proc)(NL3D::IDriver *drv, XEvent *e);
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.h b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.h
index 1c30012ed..9a6fefd3e 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.h
@@ -33,9 +33,12 @@
 
 // Project includes
 
-#ifdef NL_OS_WINDOWS
+/* TODO every platform should use QWidget */
+#if defined(NL_OS_WINDOWS)
 typedef QWidget QNLWidget;
-#else // NL_OS_UNIX
+#elif defined(NL_OS_MAC)
+typedef QWidget QNLWidget;
+#elif defined(NL_OS_UNIX)
 typedef QGLWidget QNLWidget;
 #endif // NL_OS_UNIX
 
@@ -73,9 +76,11 @@ private Q_SLOTS:
 protected:
 	virtual void resizeEvent(QResizeEvent *resizeEvent);
 	
-#ifdef NL_OS_WINDOWS
+#if defined(NL_OS_WINDOWS)
 	virtual bool winEvent(MSG * message, long * result);
-#else // NL_OS_UNIX
+#elif defined(NL_OS_MAC)
+	virtual bool macEvent(EventHandlerCallRef caller, EventRef event);
+#elif defined(NL_OS_UNIX)
 	virtual bool x11Event(XEvent *event);
 #endif