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/***************************************************************************
* Copyright 2010 Stefan Majewsky <majewsky@gmx.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
***************************************************************************/
#include "utils-animateditem.h"
#include <QPropertyAnimation>
Utils::AnimatedItem::AnimatedItem(QGraphicsItem* parent)
: QGraphicsObject(parent)
, m_animationTime(200)
, m_hideWhenInvisible(false)
, m_animator(new QPropertyAnimation(this, "correct_opacity", this))
{
}
int Utils::AnimatedItem::animationTime() const
{
return m_animationTime;
}
void Utils::AnimatedItem::setAnimationTime(int time)
{
m_animationTime = time;
}
bool Utils::AnimatedItem::hideWhenInvisible() const
{
return m_hideWhenInvisible;
}
void Utils::AnimatedItem::setHideWhenInvisible(bool hideWhenInvisible)
{
m_hideWhenInvisible = hideWhenInvisible;
}
void Utils::AnimatedItem::setOpacityAnimated(qreal targetOpacity)
{
qreal currentOpacity = opacity();
m_animator->setDuration(m_animationTime);
m_animator->setStartValue(currentOpacity);
m_animator->setEndValue(targetOpacity);
m_animator->start();
}
void Utils::AnimatedItem::setOpacity(qreal opacity)
{
QGraphicsItem::setOpacity(opacity);
if (m_hideWhenInvisible)
QGraphicsItem::setVisible(!qFuzzyIsNull(opacity));
}
//empty QGraphicsItem reimplementation
QRectF Utils::AnimatedItem::boundingRect() const
{
return QRectF();
}
void Utils::AnimatedItem::paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*)
{
}
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