/****************************************************************************
* NxWidgets/libnxwidgets/src/cprogressbar.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.
*
****************************************************************************
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <cstdio>
#include <cstring>
#include <nuttx/nx/nxglib.h>
#include "cprogressbar.hxx"
#include "cgraphicsport.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* CButton Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor.
*
* @param pWidgetControl The widget control for the display.
* @param x The x coordinate of the progress bar, relative to its parent.
* @param y The y coordinate of the progress bar, relative to its parent.
* @param width The width of the progress bar.
* @param height The height of the progress bar.
*/
CProgressBar::CProgressBar(CWidgetControl *pWidgetControl,
nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height)
: CNxWidget(pWidgetControl, x, y, width, height, 0)
{
m_minimumValue = 0;
m_maximumValue = 0;
m_value = 0;
m_showPercentageText = true;
m_flags.borderless = false;
}
/**
* Set the value that of the progress bar.
*
* @param value The new value.
*/
void CProgressBar::setValue(const int16_t value)
{
m_value = value;
// Limit to max/min values
if (m_value > m_maximumValue)
{
m_value = m_maximumValue;
}
if (m_value < m_minimumValue)
{
m_value = m_minimumValue;
}
redraw();
}
/**
* Draw the area of this widget that falls within the clipping region.
* Called by the redraw() function to draw all visible regions.
*
* @param port The CGraphicsPort to draw to.
* @see redraw()
*/
void CProgressBar::drawContents(CGraphicsPort *port)
{
// Get the drawing window, accounting for the presence of any border
CRect rect;
getRect(rect);
// Calculate ratio of pixels to value range (max fractional value of 255)
uint32_t ratio = ((uint32_t)rect.getWidth() << 8) / (uint32_t)(m_maximumValue - m_minimumValue);
// Convert value using ratio, rounding up and shifting down
int16_t barWidth = ((m_value * ratio) + 128) >> 8;
// Draw filled region
port->drawFilledRect(rect.getX(), rect.getY(), barWidth, rect.getHeight(), getHighlightColor());
// Draw unfilled background
if (barWidth < rect.getWidth())
{
port->drawFilledRect(rect.getX() + barWidth, rect.getY(),
rect.getWidth() - barWidth, rect.getHeight(),
getBackgroundColor());
}
// Draw completion percentage text
if (m_showPercentageText)
{
char text[6];
sprintf(text, "%d%%", (100 * m_value) / (m_maximumValue - m_minimumValue));
struct nxgl_point_s pos;
pos.x = rect.getX() +
((rect.getWidth() - getFont()->getStringWidth(text)) >> 1);
pos.y = rect.getY() +
((rect.getHeight() - getFont()->getHeight()) >> 1);
// Determine the background and text color
nxgl_mxpixel_t textColor;
if (!isEnabled())
{
textColor = getDisabledTextColor();
}
else
{
textColor = getEnabledTextColor();
}
// And draw the text using the selected color
port->drawText(&pos, &rect, getFont(), text, 0, strlen(text),
textColor);
}
}
/**
* Draw the area of this widget that falls within the clipping region.
* Called by the redraw() function to draw all visible regions.
*
* @param port The CGraphicsPort to draw to.
* @see redraw()
*/
void CProgressBar::drawBorder(CGraphicsPort *port)
{
// Stop drawing if the widget indicates it should not have an outline
if (!isBorderless())
{
port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(),
getShadowEdgeColor(), getShineEdgeColor());
}
}
