/****************************************************************************
* NxWidgets/libnxwidgets/include/cnumericedit.cxx
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* Petteri Aimonen <jpa@kapsi.fi>
*
* 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 all 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <limits.h>
#include <nuttx/nx/nxglib.h>
#include <debug.h>
#include "cnumericedit.hxx"
#include "cbutton.hxx"
#include "clabel.hxx"
#include "cnxtimer.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* CNumericEdit Method Implementations
****************************************************************************/
using namespace NXWidgets;
// Label that passes drag events
class CDraggableLabel: public CLabel
{
public:
CDraggableLabel(CWidgetControl *pWidgetControl, nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height, const CNxString &text,
CWidgetStyle *style = (CWidgetStyle *)NULL):
CLabel(pWidgetControl, x, y, width, height, text, style)
{
setDraggable(true);
}
virtual void onClick(nxgl_coord_t x, nxgl_coord_t y)
{
startDragging(x, y);
}
};
/**
* Constructor for a numeric edit control.
*
* @param pWidgetControl The controlling widget for the display
* @param x The x coordinate of the text box, relative to its parent.
* @param y The y coordinate of the text box, relative to its parent.
* @param width The width of the textbox.
* @param height The height of the textbox.
* @param style The style that the button should use. If this is not
* specified, the button will use the global default widget
* style.
*/
CNumericEdit::CNumericEdit(CWidgetControl *pWidgetControl, nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height,
CWidgetStyle *style)
: CNxWidget(pWidgetControl, x, y, width, height, 0, style)
{
m_label = new CDraggableLabel(pWidgetControl, height, 0, width - 2 * height, height, CNxString("0"), style);
m_label->addWidgetEventHandler(this);
addWidget(m_label);
m_button_minus = new CButton(pWidgetControl, 0, 0, height, height, CNxString("-"));
m_button_minus->addWidgetEventHandler(this);
addWidget(m_button_minus);
m_button_plus = new CButton(pWidgetControl, width - height, 0, height, height, CNxString("+"));
m_button_plus->addWidgetEventHandler(this);
addWidget(m_button_plus);
m_timer = new CNxTimer(pWidgetControl, 100, true);
m_timer->addWidgetEventHandler(this);
addWidget(m_timer);
m_minimum = INT_MIN;
m_maximum = INT_MAX;
m_increment = 1;
setValue(0);
}
CNumericEdit::~CNumericEdit()
{
// CNxWidget destroys all children
m_label = 0;
m_button_minus = 0;
m_button_plus = 0;
}
void CNumericEdit::getPreferredDimensions(CRect &rect) const
{
}
void CNumericEdit::setFont(CNxFont *font)
{
m_label->setFont(font);
}
void CNumericEdit::onResize(nxgl_coord_t width, nxgl_coord_t height)
{
}
void CNumericEdit::handleClickEvent(const CWidgetEventArgs &e)
{
if (e.getSource() == m_button_plus)
{
setValue(m_value + m_increment);
m_timercount = 0;
m_timer->start();
}
else if (e.getSource() == m_button_minus)
{
setValue(m_value - m_increment);
m_timercount = 0;
m_timer->start();
}
}
void CNumericEdit::handleReleaseEvent(const CWidgetEventArgs &e)
{
if (e.getSource() == m_button_plus || e.getSource() == m_button_minus)
{
m_timer->stop();
}
}
void CNumericEdit::handleReleaseOutsideEvent(const CWidgetEventArgs &e)
{
if (e.getSource() == m_button_plus || e.getSource() == m_button_minus)
{
m_timer->stop();
}
}
void CNumericEdit::handleActionEvent(const CWidgetEventArgs &e)
{
if (e.getSource() == m_timer)
{
m_timercount++;
int increment = m_increment;
if (m_timercount > 50)
{
increment = m_increment * 100;
}
else if (m_timercount > 10)
{
increment = m_increment * 10;
}
if (m_button_minus->isClicked())
{
setValue(m_value - increment);
}
else if (m_button_plus->isClicked())
{
setValue(m_value + increment);
}
}
}
void CNumericEdit::handleDragEvent(const CWidgetEventArgs &e)
{
int x = e.getX() - m_label->getX();
int width = m_label->getWidth();
int value = m_minimum + (m_maximum - m_minimum) * x / width;
setValue(value / m_increment * m_increment);
}
void CNumericEdit::setValue(int value)
{
if (value < m_minimum) value = m_minimum;
if (value > m_maximum) value = m_maximum;
m_value = value;
char buf[10];
snprintf(buf, sizeof(buf), "%d", m_value);
CNxString text(buf);
m_label->setText(text);
m_widgetEventHandlers->raiseValueChangeEvent();
redraw();
}
