238 lines
8.4 KiB
C++
238 lines
8.4 KiB
C++
/****************************************************************************
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* NxWidgets/libnxwidgets/include/cwidgeteventargs.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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*
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* Portions of this package derive from Woopsi (http://woopsi.org/) and
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* portions are original efforts. It is difficult to determine at this
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* point what parts are original efforts and which parts derive from Woopsi.
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* However, in any event, the work of Antony Dzeryn will be acknowledged
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* in most NxWidget files. Thanks Antony!
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*
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* Copyright (c) 2007-2011, Antony Dzeryn
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* All rights reserved.
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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 are met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names "Woopsi", "Simian Zombie" nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_CWIDGETEVENTARGS_HXX
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#define __INCLUDE_CWIDGETEVENTARGS_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 <stdint.h>
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#include <stdbool.h>
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#include <nuttx/nx/nxglib.h>
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#include "nxconfig.hxx"
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#include "teventargs.hxx"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Interesting Key events ***************************************************/
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#define KEY_CODE_NONE ((nxwidget_char_t)0x00) /**< No key (NUL) */
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#define KEY_CODE_BACKSPACE ((nxwidget_char_t)0x08) /**< Backspace key */
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#define KEY_CODE_DELETE ((nxwidget_char_t)0x7f) /**< Delete key */
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#define KEY_CODE_ENTER ((nxwidget_char_t)0x0d) /**< Enter key (carriage return) */
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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 NXWidgets
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{
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class CNxWidget;
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/**
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* Cursor control events
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*/
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typedef enum
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{
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CURSOR_HOME = 1, // Set the cursor to the beginning
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CURSOR_END, // Set the cursor to the end
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CURSOR_UP, // Set the cursor up one row
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CURSOR_DOWN, // Set the cursor down one row
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CURSOR_LEFT, // Move the cursor left one column
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CURSOR_RIGHT, // Move the cursor right one column
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CURSOR_PAGEUP, // Move the cursor up one page
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CURSOR_PAGEDOWN, // Move the cursor down one page
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} ECursorControl;
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/**
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* Event arguments passed to listeners when a CNxWidget object raises an event.
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*/
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class CWidgetEventArgs : public TEventArgs<CNxWidget*>
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{
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private:
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nxgl_coord_t m_x; /**< X coordinateinate of the event. */
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nxgl_coord_t m_y; /**< Y coordinateinate of the event. */
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nxgl_coord_t m_vX; /**< X distance moved during event, for dragging. */
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nxgl_coord_t m_vY; /**< Y distance moved during event, for dragging. */
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nxwidget_char_t m_key; /**< The key code / cursor code that raised the event. */
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public:
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/**
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* Constructor.
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*
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* @param source Pointer to the CNxWidget object that raised the event.
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* @param x The x coordinate of the event.
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* @param y The y coordinate of the event.
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* @param vX The x distance of the event.
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* @param vY The y distance of the event.
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* @param keyCode The keycode of the event.
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*/
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CWidgetEventArgs(CNxWidget *source, const nxgl_coord_t x, const nxgl_coord_t y,
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const nxgl_coord_t vX, const nxgl_coord_t vY,
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const nxwidget_char_t key)
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: TEventArgs<CNxWidget*>(source)
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{
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m_x = x;
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m_y = y;
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m_vX = vX;
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m_vY = vY;
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m_key = key;
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}
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/**
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* Get the x coordinate of the mouse event. Applies only to the following
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* events: mouse click, mouse double click, mouse drag, mouse release
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*
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* @return The x coordinate of the event.
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*/
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inline const nxgl_coord_t getX(void) const
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{
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return m_x;
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}
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/**
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* Get the y coordinate of the mouse event. Applies only to the following
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* events: mouse click, mouse double click, mouse drag, mouse release
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*
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* @return The y coordinate of the event.
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*/
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inline const nxgl_coord_t getY(void) const
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{
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return m_y;
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}
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/**
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* Get the x-axis mouse move distance of the mouse event. Applies
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* only to the mouse drag event.
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*
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* @return The x-axis mouse move distance of the event.
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*/
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inline const nxgl_coord_t getVX(void) const
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{
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return m_vX;
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}
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/**
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* Get the y-axis mouse move distance of the event. Applies
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* only to the mouse drag event.
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*
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* @return The y-axis mouse move distance of the event.
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*/
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inline const nxgl_coord_t getVY(void) const
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{
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return m_vY;
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}
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/**
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* Get the key press that generated the event. Applies only to
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* the key press event.
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*
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* @return The key that generated the event.
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*/
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inline const nxwidget_char_t getKey(void) const
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{
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return m_key;
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}
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/**
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* Get the cursor control that generated the event. Applies only
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* to the cursor control event.
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*
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* @return The cursor control that generated the event.
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*/
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inline const ECursorControl getCursorControl(void) const
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{
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return (ECursorControl)m_key;
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}
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};
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}
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#endif // __cplusplus
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#endif // __INCLUDE_CWIDGETEVENTARGS_HXX
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