File indexing completed on 2024-05-12 04:04:35

 /***************************************************************************
  *   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*)
 {
 }
 
 #include "moc_utils-animateditem.cpp"