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#include "double-slider.hpp"
#include <cmath>
DoubleSlider::DoubleSlider(QWidget *parent) : QSlider(parent)
{
connect(this, SIGNAL(valueChanged(int)),
this, SLOT(intValChanged(int)));
}
void DoubleSlider::setDoubleConstraints(double newMin, double newMax,
double newStep, double val)
{
minVal = newMin;
maxVal = newMax;
minStep = newStep;
double total = maxVal - minVal;
int intMax = int(total / minStep);
setMinimum(0);
setMaximum(intMax);
setSingleStep(1);
setDoubleVal(val);
}
void DoubleSlider::intValChanged(int val)
{
emit doubleValChanged((minVal/minStep + val) * minStep);
}
void DoubleSlider::setDoubleVal(double val)
{
setValue(lround((val - minVal) / minStep));
}
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