HPPA/HPPA/QDoubleSlider.cpp

#include "stdafx.h"
#include "qDoubleSlider.h"
QDoubleSlider::QDoubleSlider(QWidget* pParent /*= NULL*/) :
QSlider(pParent),
m_Multiplier(100.0)
{
	connect(this, SIGNAL(valueChanged(int)), this, SLOT(notifyValueChanged(int)));

	setSingleStep(0);
	setPageStep(0);
	setRange(1, 500);

	setOrientation(Qt::Horizontal);
	setFocusPolicy(Qt::NoFocus);
}

//向外发射
void QDoubleSlider::notifyValueChanged(int Value)
{
	emit valueChanged((double)Value / m_Multiplier);
}

//接收外边
void QDoubleSlider::setValue(double Value, bool BlockSignals)
{
	QSlider::blockSignals(BlockSignals);

	QSlider::setValue(Value * m_Multiplier);

	if (!BlockSignals)
		emit valueChanged(Value);

	QSlider::blockSignals(false);
}

void QDoubleSlider::setRange(double Min, double Max)
{
	QSlider::setRange(Min * m_Multiplier, Max * m_Multiplier);

	emit rangeChanged(Min, Max);
}

void QDoubleSlider::setMinimum(double Min)
{
	QSlider::setMinimum(Min * m_Multiplier);

	emit rangeChanged(minimum(), maximum());
}

double QDoubleSlider::minimum() const
{
	return QSlider::minimum() / m_Multiplier;
}

void QDoubleSlider::setMaximum(double Max)
{
	QSlider::setMaximum(Max * m_Multiplier);

	emit rangeChanged(minimum(), maximum());
}

double QDoubleSlider::maximum() const
{
	return QSlider::maximum() / m_Multiplier;
}

double QDoubleSlider::value() const
{
	int Value = QSlider::value();
	return (double)Value / m_Multiplier;
}