Michaël Lemaire
b7e4be1030
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@373 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
#include "inputdouble.h"
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#include <QLabel>
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#include "math.h"
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InputDouble::InputDouble(QWidget* form, QString label, double* value, double min, double max, double small_step, double large_step):
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BaseInput(form, label)
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{
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_value = value;
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_min = min;
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_max = max;
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_small_step = small_step;
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_large_step = large_step;
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_slider = new QSlider(form);
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_slider->setOrientation(Qt::Horizontal);
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_slider->setMinimumWidth(200);
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_slider->setMaximumWidth(400);
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_slider->setMinimum(0);
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_slider->setMaximum(round((max - min) / small_step));
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_slider->setValue(round((*value - min) / small_step));
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_slider->setTickInterval(round(large_step / small_step));
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_slider->setTickPosition(QSlider::TicksBelow);
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connect(_slider, SIGNAL(valueChanged(int)), this, SLOT(applyValue()));
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_preview = new QLabel(form);
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((QLabel*)_preview)->setAlignment(Qt::AlignCenter);
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_control = _slider;
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}
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void InputDouble::updatePreview()
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{
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((QLabel*)_preview)->setText(QString::number(*_value, 'g', 3));
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BaseInput::updatePreview();
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}
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void InputDouble::applyValue()
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{
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int ivalue = _slider->value();
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if (ivalue == _slider->maximum())
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{
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*_value = _max;
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}
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else
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{
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*_value = _min + ((double)ivalue) * _small_step;
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}
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if (fabs(*_value) < 0.0000001)
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{
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*_value = 0.0;
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}
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BaseInput::applyValue();
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}
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void InputDouble::revert()
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{
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double value = round((*_value - _min) / _small_step);
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if (value != _slider->value())
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{
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_slider->setValue(value);
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}
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BaseInput::revert();
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}
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