Michaël Lemaire
ae30098277
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@288 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
60 lines
1.4 KiB
C++
60 lines
1.4 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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value(value), min(min), max(max), small_step(small_step), large_step(large_step)
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{
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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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_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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slider->setValue(round((*value - min) / small_step));
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BaseInput::revert();
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}
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