px4-firmware/NxWidgets/libnxwidgets/include/ckeypad.hxx

157 lines
4.8 KiB
C++

/****************************************************************************
* NxWidgets/libnxwidgets/include/ckeypad.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.
*
****************************************************************************/
#ifndef __INCLUDE_CKEYPAD_HXX
#define __INCLUDE_CKEYPAD_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "cbuttonarray.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Implementation Classes
****************************************************************************/
#if defined(__cplusplus)
namespace NXWidgets
{
/**
* Forward references
*/
class CWidgetControl;
class CWidgetStyle;
/**
* Extends the CButtonArray class to support a alphanumeric keypad.
*/
class CKeypad : public CButtonArray
{
protected:
NXHANDLE m_hNxServer; /**< NX server handle */
bool m_numeric; /**< True: Numeric keypad, False: Alpha */
/**
* Configure the keypad for the currenly selected display mode.
*/
void configureKeypadMode(void);
/**
* Copy constructor is protected to prevent usage.
*/
inline CKeypad(const CKeypad &keypad) : CButtonArray(keypad) { }
public:
/**
* Constructor for buttons that display a string.
*
* @param pWidgetControl The widget control for the display.
* @param hNxServer The NX server that will receive the keyboard input
* @param x The x coordinate of the keypad, relative to its parent.
* @param y The y coordinate of the keypad, relative to its parent.
* @param width The width of the keypad
* @param height The height of the keypad
* @param style The style that the button should use. If this is not
* specified, the button will use the global default widget
* style.
*/
CKeypad(CWidgetControl *pWidgetControl, NXHANDLE hNxServer,
nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height,
CWidgetStyle *style = (CWidgetStyle *)NULL);
/**
* CKeypad Destructor.
*/
inline ~CKeypad(void) {}
/**
* Returns the current keypad display mode
*
* @return True: keypad is in numeric mode. False: alphanumeric.
*/
inline const bool isNumericKeypad(void) const
{
return m_numeric;
}
/**
* Returns the current keypad display mode
*
* @param mode True: put keypad in numeric mode. False: in alphanumeric.
*/
inline void setKeypadMode(bool numeric)
{
m_numeric = numeric;
configureKeypadMode();
}
/**
* Catch button clicks.
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
virtual void onClick(nxgl_coord_t x, nxgl_coord_t y);
};
}
#endif // __cplusplus
#endif // __INCLUDE_CKEYPAD_HXX