122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
/****************************************************************************
|
|
* 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
|