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+/****************************************************************************
+ * NxWidgets/nxwm/include/cwindowmessenger.hxx
+ *
+ * Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
+ * me be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_CWINDOWMESSENGER_HXX
+#define __INCLUDE_CWINDOWMESSENGER_HXX
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <mqueue.h>
+
+#include <nuttx/nx/nxtk.h>
+#include <nuttx/nx/nxconsole.h>
+
+#include "cwindoweventhandler.hxx"
+#include "cwidgetcontrol.hxx"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Implementation Classes
+ ****************************************************************************/
+
+#if defined(__cplusplus)
+
+namespace NxWM
+{
+ /**
+ * Forward references.
+ */
+
+ class IApplication;
+
+ /**
+ * The class CWindowMessenger integrates the widget control with some special
+ * handling of mouse and keyboard inputs neesed by NxWM
+ */
+
+ class CWindowMessenger : public NXWidgets::CWindowEventHandler
+ {
+ private:
+ mqd_t m_mqd; /**< Message queue descriptor used to commincate with the
+ ** start window thread. */
+
+ /**
+ * Handle an NX window mouse input event.
+ *
+ * @param e The event data.
+ */
+
+#ifdef CONFIG_NX_MOUSE
+ void handleMouseEvent(void);
+#endif
+
+ /**
+ * Handle a NX window keyboard input event.
+ */
+
+#ifdef CONFIG_NX_KBD
+ void handleKeyboardEvent(void);
+#endif
+
+ public:
+
+ /**
+ * CWindowMessenger Constructor
+ */
+
+ CWindowMessenger(void);
+
+ /**
+ * CWindowMessenger Destructor.
+ */
+
+ ~CWindowMessenger(void);
+
+ /**
+ * Destroy the application window and everything in it. This is
+ * handled by CWindowMessenger (vs just calling the destructors) because
+ * in the case where an application destroys itself (because of pressing
+ * the stop button), then we need to unwind and get out of the application
+ * logic before destroying all of its objects.
+ */
+
+ void destroy(IApplication *app);
+ };
+}
+#endif // __cplusplus
+
+#endif // __INCLUDE_CWINDOWMESSENGER_HXX