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