92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// apps/graphics/twm4nx/include/ctwmnxevent.hxx
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// Twm4Nx Event handler base class
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//
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// Copyright (C) 2019 Gregory Nutt. All rights reserved.
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// Author: Gregory Nutt <gnutt@nuttx.org>
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// 3. Neither the name NuttX nor the names of its contributors may be
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// used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __APPS_INCLUDE_GRAPHICS_TWM4NX_CTWM4NXEVNT_HXX
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#define __APPS_INCLUDE_GRAPHICS_TWM4NX_CTWM4NXEVNT_HXX
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <cstdbool>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Implementation Class Definition
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****************************************************************************/
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namespace Twm4Nx
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{
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/**
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* Twm4Nx Event Handler base class
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*/
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class CTwm4NxEvent
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{
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public:
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/**
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* A virtual destructor is required in order to override the INxWindow
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* destructor. We do this because if we delete INxWindow, we want the
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* destructor of the class that inherits from INxWindow to run, not this
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* one.
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*/
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virtual ~CTwm4NxEvent(void)
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{
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}
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/**
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* Handle Twm4Nx events.
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*
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* @param eventmsg. The received NxWidget WINDOW event message.
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* @return True if the message was properly handled. false is
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* return on any failure.
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*/
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virtual bool event(FAR struct SEventMsg *eventmsg)
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{
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return false;
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}
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};
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}
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#endif // __APPS_INCLUDE_GRAPHICS_TWM4NX_CTWM4NXEVNT_HXX
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