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/****************************************************************************
* NxWidgets/libnxwidgets/include/cwindoweventhandler.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_CWINDOWEVENTHANDLER_HXX
#define __INCLUDE_CWINDOWEVENTHANDLER_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include "nxconfig.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Implementation Classes
****************************************************************************/
#if defined(__cplusplus)
namespace NXWidgets
{
class CNxWidget;
/**
* Base CWindowEventHandler class, intended to be subclassed. Any class that
* needs to listen for window events should inherit from this class.
*/
class CWindowEventHandler
{
public:
/**
* Constructor.
*/
inline CWindowEventHandler() { }
/**
* Destructor.
*/
virtual inline ~CWindowEventHandler() { }
/**
* Handle a NX window redraw request event
*/
virtual void handleRedrawEvent(void) { }
/**
* Handle a NX window position/size change event
*/
virtual void handleGeometryEvent(void) { }
/**
* Handle an NX window mouse input event.
*
* @param e The event data.
*/
#ifdef CONFIG_NX_MOUSE
virtual void handleMouseEvent(void) { }
#endif
/**
* Handle a NX window keyboard input event.
*/
#ifdef CONFIG_NX_KBD
virtual void handleKeyboardEvent(void) { }
#endif
/**
* Handle a NX window blocked event
*
* @param arg - User provided argument (see nx_block or nxtk_block)
*/
virtual void handleBlockedEvent(FAR void *arg) { }
};
}
#endif // __cplusplus
#endif // __INCLUDE_CWINDOWEVENTHANDLER_HXX
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