Бычков Андрей
ba8bc27298
git-svn-id: svn://db.shs.com.ru/libs@1 a8b55f48-bf90-11e4-a774-851b48703e85
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
#include "spinslider.h"
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SpinSlider::SpinSlider(QWidget * parent): QWidget(parent) {
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min_ = val_ = 0.;
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max_ = 100.;
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dec_ = 1;
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page = 10.;
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ticks_ = 1;
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direc = LeftToRight;
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square = false;
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slider = new QSlider();
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slider->setOrientation(Qt::Horizontal);
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slider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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spin = new QDoubleSpinBox();
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adjust();
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layout = new QBoxLayout(QBoxLayout::LeftToRight);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->addWidget(slider);
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layout->addWidget(spin);
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connect(slider, SIGNAL(valueChanged(int)), this, SLOT(sliderChanged(int)));
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connect(spin, SIGNAL(valueChanged(double)), this, SLOT(spinChanged(double)));
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setLayout(layout);
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}
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SpinSlider::~SpinSlider() {
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delete spin;
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delete slider;
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delete layout;
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}
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void SpinSlider::setOrientation(Qt::Orientation orient) {
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slider->setOrientation(orient);
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if (orient == Qt::Horizontal)
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slider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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else
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slider->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
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}
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void SpinSlider::adjust() {
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adjusting = true;
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delim = qPow(10, dec_);
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spin->setDecimals(dec_);
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spin->setRange(min_, max_);
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if (square) slider->setRange(sqrt(min_ * delim), sqrt(max_ * delim));
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else slider->setRange(min_ * delim, max_ * delim);
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if (val_ < min_) val_ = min_;
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if (val_ > max_) val_ = max_;
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spin->setValue(val_);
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if (square) slider->setValue(static_cast<int>(sqrt(val_ * delim)));
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else slider->setValue(static_cast<int>(val_ * delim));
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slider->setPageStep(qRound(page * delim));
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slider->setTickInterval(qRound(ticks_ * delim));
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emit valueChanged(val_);
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emit valueChanged(qRound(val_));
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adjusting = false;
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}
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void SpinSlider::sliderChanged(int value) {
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if (adjusting) return;
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adjusting = true;
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if (square) spin->setValue(static_cast<double>(sqr(value) / delim));
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else spin->setValue(static_cast<double>(value) / delim);
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val_ = spin->value();
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emit valueChanged(val_);
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emit valueChanged(qRound(val_));
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adjusting = false;
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}
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void SpinSlider::spinChanged(double value) {
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if (adjusting) return;
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adjusting = true;
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val_ = value;
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if (square) slider->setValue(static_cast<int>(sqrt(value * delim)));
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else slider->setValue(qRound(value * delim));
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emit valueChanged(val_);
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emit valueChanged(qRound(val_));
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adjusting = false;
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}
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