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/**
******************************************************************************
* This file is part of the TouchGFX 4.10.0 distribution.
*
* @attention
*
* Copyright (c) 2018 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#include <gui/common/DotIndicator.hpp>
#include <BitmapDatabase.hpp>
#include <assert.h>
DotIndicator::DotIndicator() :
unselectedDots(touchgfx::EAST),
numberOfDots(0),
currentDot(0)
{
unselectedDots.setXY(0, 0);
dotHighlighted.setXY(0, 0);
add(unselectedDots);
add(dotHighlighted);
}
DotIndicator::~DotIndicator()
{
}
void DotIndicator::setNumberOfDots(uint8_t size)
{
numberOfDots = size;
assert(numberOfDots > 0 && "At least one dot is needed");
assert(numberOfDots <= MAX_SIZE && "Above maximum number of dots");
unselectedDots.removeAll();
for (int i = 0; i < numberOfDots; i++)
{
unselectedDots.add(dotNormal[i]);
}
// adjust size of container according to the actual bitmaps
setWidth(unselectedDots.getWidth());
setHeight(unselectedDots.getHeight());
setHighlightPosition(currentDot = 0);
}
void DotIndicator::setBitmaps(const touchgfx::Bitmap& normalDot, const touchgfx::Bitmap& highlightedDot)
{
dotHighlighted.setBitmap(highlightedDot);
for (int i = 0; i < MAX_SIZE - 1; i++)
{
dotNormal[i].setBitmap(normalDot);
}
if (numberOfDots > 0)
{
setNumberOfDots(numberOfDots);
}
}
void DotIndicator::goRight()
{
setHighlightPosition(currentDot = (currentDot + 1) % numberOfDots);
}
void DotIndicator::goLeft()
{
setHighlightPosition(currentDot = (currentDot + numberOfDots - 1) % numberOfDots);
}
void DotIndicator::setHighlightPosition(uint8_t index)
{
currentDot = index;
// note that index is unsigned
if (index < numberOfDots)
{
dotHighlighted.setX(index*dotNormal[0].getWidth());
}
invalidate();
}