285 lines
8.2 KiB
C++
285 lines
8.2 KiB
C++
/****************************************************************************
|
|
* NxWidgets/libnxwidgets/include/cwidgeteventhandler.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.
|
|
*
|
|
****************************************************************************
|
|
*
|
|
* Portions of this package derive from Woopsi (http://woopsi.org/) and
|
|
* portions are original efforts. It is difficult to determine at this
|
|
* point what parts are original efforts and which parts derive from Woopsi.
|
|
* However, in any event, the work of Antony Dzeryn will be acknowledged
|
|
* in most NxWidget files. Thanks Antony!
|
|
*
|
|
* Copyright (c) 2007-2011, Antony Dzeryn
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the names "Woopsi", "Simian Zombie" nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``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 Antony Dzeryn 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_CWIDGETEVENTHANDLER_HXX
|
|
#define __INCLUDE_CWIDGETEVENTHANDLER_HXX
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "cwidgeteventargs.hxx"
|
|
|
|
/****************************************************************************
|
|
* Pre-Processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Implementation Classes
|
|
****************************************************************************/
|
|
|
|
#if defined(__cplusplus)
|
|
|
|
namespace NXWidgets
|
|
{
|
|
class CNxWidget;
|
|
|
|
/**
|
|
* Base CWidgetEventHandler class, intended to be subclassed. Any class that
|
|
* needs to listen for widget events should inherit from this class.
|
|
*/
|
|
|
|
class CWidgetEventHandler
|
|
{
|
|
public:
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
|
|
inline CWidgetEventHandler() { }
|
|
|
|
/**
|
|
* Destructor.
|
|
*/
|
|
|
|
virtual inline ~CWidgetEventHandler() { }
|
|
|
|
/**
|
|
* Handle a mouse button click event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleClickEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a mouse button drag event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleDragEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a drop event, triggered when the widget has been dragged-and-dropped.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleDropEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a mouse button release event that occurred within the bounds of
|
|
* the source widget.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleReleaseEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a mouse button release event that occurred outside the bounds of
|
|
* the source widget.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleReleaseOutsideEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a key press event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleKeyPressEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a cursor control event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleCursorControlEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a key repeat event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleFocusEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget blur event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleBlurEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget close event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleCloseEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget hide event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleHideEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget show event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleShowEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget enable event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleEnableEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget disable event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleDisableEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget value change event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleValueChangeEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget resize event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleResizeEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget move event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleMoveEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget scroll event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleScrollEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget double-click event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleDoubleClickEvent(const CWidgetEventArgs &e) { }
|
|
|
|
/**
|
|
* Handle a widget action event.
|
|
*
|
|
* @param e The event data.
|
|
*/
|
|
|
|
virtual void handleActionEvent(const CWidgetEventArgs &e) { }
|
|
};
|
|
}
|
|
|
|
#endif // __cplusplus
|
|
|
|
#endif // __INCLUDE_CWIDGETEVENTHANDLER_HXX
|