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/********************************************************************************************
* NxWidgets/nxwm/src/cwindowcontrol.cxx
*
* 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.
*
********************************************************************************************/
/********************************************************************************************
* Included Files
********************************************************************************************/
#include <nuttx/config.h>
#include "cwindowcontrol.hxx"
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/********************************************************************************************
* CWindowControl Method Implementations
********************************************************************************************/
using namespace NxWM;
/**
* Constructor
*
* @param style The default style that all widgets on this display
* should use. If this is not specified, the widget will use the
* values stored in the defaultCWidgetStyle object.
*/
CWindowControl::CWindowControl(FAR const NXWidgets::CWidgetStyle *style)
: NXWidgets::CWidgetControl(style)
{
// Add ourself as the window callback
addWindowEventHandler(this);
}
/**
* Destructor.
*/
CWindowControl::~CWindowControl(void)
{
// Remove ourself from the window callback
removeWindowEventHandler(this);
}
/**
* Handle an NX window mouse input event.
*
* @param e The event data.
*/
#ifdef CONFIG_NX_MOUSE
void CWindowControl::handleMouseEvent(void)
{
// The logic path here is tortuous but flexible:
//
// 1. A listener thread receives mouse input and injects that into NX
// 2. In the multi-user mode, this will send a message to the NX server
// 3. The NX server will determine which window gets the mouse input
// and send a message to the listener.
// 4. The listener will call the NX message dispatcher will will do the
// message callback.
// 5. The callback goes into an instance of NXWidgets::CCallback that is
// part of the CWidget control.
// 6. That callback will update mouse information then raise the
// mouse event,
// 7. Which will finally call this function -- still running deep on the
// stack in the listener thread.
// 8. This function will then call back into the widget control to process
// the mouse input.
// Perform the poll
pollEvents();
}
#endif
/**
* Handle a NX window keyboard input event.
*/
#ifdef CONFIG_NX_KBD
void CWindowControl::handleKeyboardEvent(void)
{
// The logic path here is tortuous but flexible:
//
// 1. A listener thread receives keyboard input and injects that into NX
// 2. In the multi-user mode, this will send a message to the NX server
// 3. The NX server will determine which window gets the keyboard input
// and send a message to the listener.
// 4. The listener will call the NX message dispatcher will will do the
// message callback.
// 5. The callback goes into an instance of NXWidgets::CCallback that is
// part of the CWidget control.
// 6. That callback will update keyboard information then raise the
// keyboard event,
// 7. Which will finally call this function -- still running deep on the
// stack in the listener thread.
// 8. This function will then call back into the widget control to process
// the keyboard input.
// Perform the poll
pollEvents();
}
#endif
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