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// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
//
// SPDX-License-Identifier: MIT
#include "opacityhelper.h"
#include <QGraphicsOpacityEffect>
#include <QPropertyAnimation>
OpacityHelper::OpacityHelper(QWidget *parent)
: QObject(parent)
, m_opacityFx(new QGraphicsOpacityEffect(parent))
, m_opacityAnimation(new QPropertyAnimation(m_opacityFx, "opacity"))
{
parent->setGraphicsEffect(m_opacityFx);
m_opacityAnimation->setDuration(300);
}
void OpacityHelper::setOpacity(qreal opacity, bool animated)
{
if (!animated) {
m_opacityFx->setOpacity(opacity);
return;
}
m_opacityAnimation->stop();
m_opacityAnimation->setStartValue(m_opacityFx->opacity());
m_opacityAnimation->setEndValue(opacity);
m_opacityAnimation->start();
}
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