2023-02-16 15:08:28 +08:00

113 lines
3.1 KiB
C++

// SPDX-FileCopyrightText: 2018 - 2023 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#include "spliteranimated.h"
#include <QPainter>
#include <QPainterPath>
#include <QDebug>
#define OpacityMax 0.3
#define OpacityMini 0.1
SpliterAnimated::SpliterAnimated(QWidget *parent)
: QWidget(parent),
m_sizeAnimation(new QVariantAnimation(this)),
m_currentOpacity(OpacityMini),
m_dockPosition(Dock::Position::Bottom)
{
m_sizeAnimation->setDuration(500);
m_sizeAnimation->setLoopCount(-1);
connect(m_sizeAnimation, &QVariantAnimation::valueChanged, this, &SpliterAnimated::onSizeAnimationValueChanged);
}
void SpliterAnimated::setStartValue(const QVariant &value)
{
m_sizeAnimation->setStartValue(value);
}
void SpliterAnimated::setEndValue(const QVariant &value)
{
m_sizeAnimation->setEndValue(value);
}
//void SpliterAnimated::startAnimation()
//{
// if (!isVisible()) {
// return;
// }
// m_currentOpacity = OpacityMini;
// if (m_dockPosition == Dock::Position::Top || m_dockPosition == Dock::Position::Bottom) {
// m_opacityChangeStep = (OpacityMax - OpacityMini) /
// (m_sizeAnimation->endValue().toSizeF().height() -
// m_sizeAnimation->startValue().toSizeF().height());
// } else {
// m_opacityChangeStep = (OpacityMax - OpacityMini) /
// (m_sizeAnimation->endValue().toSizeF().width() -
// m_sizeAnimation->startValue().toSizeF().width());
// }
// m_sizeAnimation->start();
// update();
//}
//void SpliterAnimated::stopAnimation()
//{
// m_sizeAnimation->stop();
// m_currentOpacity = OpacityMini;
// update();
//}
void SpliterAnimated::setDockPosition(const Dock::Position position)
{
m_dockPosition = position;
}
void SpliterAnimated::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
QSizeF destSize = m_sizeAnimation->state() == QVariantAnimation::Running
? m_sizeAnimation->currentValue().toSizeF()
: m_sizeAnimation->startValue().toSizeF();
QRectF destRect(rect().topLeft(), destSize);
destRect.moveCenter(QRectF(rect()).center());
QPainterPath path;
path.addRect(destRect);
QPainter painter(this);
painter.setOpacity(m_currentOpacity);
painter.fillPath(path, QColor::fromRgb(255, 255, 255));
}
void SpliterAnimated::onSizeAnimationValueChanged(const QVariant &value)
{
if (m_sizeAnimation->direction() == QVariantAnimation::Direction::Forward) {
m_currentOpacity += m_opacityChangeStep;
if (m_currentOpacity > OpacityMax) {
m_currentOpacity = OpacityMax;
}
} else {
m_currentOpacity -= m_opacityChangeStep;
if (m_currentOpacity < OpacityMini) {
m_currentOpacity = OpacityMini;
}
}
if (value == m_sizeAnimation->endValue()) {
m_sizeAnimation->setDirection(QVariantAnimation::Direction::Backward);
} else if (value == m_sizeAnimation->startValue()) {
m_sizeAnimation->setDirection(QVariantAnimation::Direction::Forward);
}
update();
}