75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
#include <QtWidgets>
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#include <QHBoxLayout>
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#include <QVBoxLayout>
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#include "floatnumberwidget.h"
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FloatNumberWidget::FloatNumberWidget(QWidget *parent, bool singleLine) :
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QWidget(parent)
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{
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m_slider = new QSlider(Qt::Horizontal, this);
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m_slider->setRange(0, 100);
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m_slider->setFixedWidth(120);
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m_label = new QLabel(this);
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m_label->setAlignment(Qt::AlignLeft);
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connect(m_slider, &QAbstractSlider::valueChanged, [=](int value) {
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float fvalue = value / 100.0;
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updateValueLabel(fvalue);
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emit valueChanged(fvalue);
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});
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QBoxLayout *layout = nullptr;
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if (singleLine) {
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layout = new QHBoxLayout(this);
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layout->setMargin(2);
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layout->addWidget(m_slider);
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layout->addWidget(m_label);
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} else {
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layout = new QVBoxLayout(this);
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layout->setMargin(2);
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layout->addWidget(m_label);
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layout->addWidget(m_slider);
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}
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}
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void FloatNumberWidget::updateValueLabel(float value)
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{
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QString valueString = QString().sprintf("%.2f", value);
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if (m_itemName.isEmpty())
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m_label->setText(valueString);
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else
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m_label->setText(m_itemName + ": " + valueString);
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}
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void FloatNumberWidget::setItemName(const QString &name)
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{
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m_itemName = name;
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updateValueLabel(value());
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}
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void FloatNumberWidget::setRange(float min, float max)
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{
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m_slider->setRange(min * 100, max * 100);
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}
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void FloatNumberWidget::increaseValue()
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{
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m_slider->triggerAction(QSlider::SliderPageStepAdd);
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}
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void FloatNumberWidget::descreaseValue()
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{
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m_slider->triggerAction(QSlider::SliderPageStepSub);
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}
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float FloatNumberWidget::value() const
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{
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return m_slider->value() / 100.0;
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}
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void FloatNumberWidget::setValue(float value)
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{
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m_slider->setValue(value * 100);
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}
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