nuttx-apps/libnxwidgets/src/clatchbuttonarray.cxx
2014-04-13 16:26:44 -06:00

117 lines
4.5 KiB
C++

/****************************************************************************
* NxWidgets/libnxwidgets/src/clatchbuttonarray.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 <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "cstickybuttonarray.hxx"
#include "clatchbuttonarray.hxx"
#include "cgraphicsport.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* CButton Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor for an array of latch buttons.
*
* @param pWidgetControl The widget control for the display.
* @param x The x coordinate of the button array, relative to its parent.
* @param y The y coordinate of the button array, relative to its parent.
* @param buttonColumns The number of buttons in one row of the button array
* @param buttonRows The number of buttons in one column of the button array
* @param buttonWidth The width of one button
* @param buttonHeight The height of one button
* @param style The style that the button should use. If this is not
* specified, the button will use the global default widget
* style.
*/
CLatchButtonArray::CLatchButtonArray(CWidgetControl *pWidgetControl,
nxgl_coord_t x, nxgl_coord_t y,
uint8_t buttonColumns, uint8_t buttonRows,
nxgl_coord_t buttonWidth, nxgl_coord_t buttonHeight,
CWidgetStyle *style)
: CStickyButtonArray(pWidgetControl, x, y, buttonColumns, buttonRows, buttonWidth, buttonHeight, style)
{
}
/**
* Handles button click events
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
void CLatchButtonArray::onClick(nxgl_coord_t x, nxgl_coord_t y)
{
// We need to save the button position so that when CButtonArray
// gets the release, it will have the correct position. This would
// look nicer if we just called CButtonArray::onClock() but that
// would cause duplicate redraw()
m_clickX = x;
m_clickY = y;
// Convert the new key press to row/columin indices
int column;
int row;
if (posToButton(x, y, column, row))
{
// Change the stuck down button on each in-range button press
// NOTE that normally button click events are not processed (but
// button release events will be processed).
stickDown(column, row);
}
}