forked from Archive/PX4-Autopilot
137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
/****************************************************************************
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* NxWidgets/nxwm/include/cwindowmessenger.hxx
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*
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* Copyright (C) 2012 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, NxWidgets, nor the names of its contributors
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* me be 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 __INCLUDE_CWINDOWMESSENGER_HXX
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#define __INCLUDE_CWINDOWMESSENGER_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 <sys/types.h>
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#include <mqueue.h>
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#include <nuttx/nx/nxtk.h>
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#include <nuttx/nx/nxconsole.h>
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#include "cwindoweventhandler.hxx"
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#include "cwidgetstyle.hxx"
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#include "cwidgetcontrol.hxx"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Implementation Classes
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****************************************************************************/
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#if defined(__cplusplus)
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namespace NxWM
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{
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/**
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* Forward references.
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*/
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class IApplication;
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/**
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* The class CWindowMessenger integrates the widget control with some special
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* handling of mouse and keyboard inputs needs by NxWM. It use used
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* in place of CWidgetControl whenever an NxWM window is created.
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*
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* CWindowMessenger cohabitates with CWidgetControl only because it needs the
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* CWidgetControl as an argument in its messaging.
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*/
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class CWindowMessenger : public NXWidgets::CWindowEventHandler,
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public NXWidgets::CWidgetControl
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{
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private:
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mqd_t m_mqd; /**< Message queue descriptor used to commincate with the
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** start window thread. */
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/**
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* Handle an NX window mouse input event.
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*
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* @param e The event data.
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*/
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#ifdef CONFIG_NX_MOUSE
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void handleMouseEvent(void);
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#endif
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/**
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* Handle a NX window keyboard input event.
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*/
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#ifdef CONFIG_NX_KBD
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void handleKeyboardEvent(void);
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#endif
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/**
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* Handle a NX window blocked event
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*
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* @param arg - User provided argument (see nx_block or nxtk_block)
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*/
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void handleBlockedEvent(FAR void *arg);
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public:
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/**
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* CWindowMessenger Constructor
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*
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* @param style The default style that all widgets on this display
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* should use. If this is not specified, the widget will use the
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* values stored in the defaultCWidgetStyle object.
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*/
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CWindowMessenger(FAR const NXWidgets::CWidgetStyle *style = (const NXWidgets::CWidgetStyle *)NULL);
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/**
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* CWindowMessenger Destructor.
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*/
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~CWindowMessenger(void);
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};
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}
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#endif // __cplusplus
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#endif // __INCLUDE_CWINDOWMESSENGER_HXX
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