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/*
* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, 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 Library 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 "slide_p.h"
#include <QPointF>
#include <kdebug.h>
namespace Plasma
{
void SlideAnimation::setDistance(qreal distance)
{
m_animDistance = QPointF(distance, 0.0);
}
qreal SlideAnimation::distance() const
{
return m_animDistance.x();
}
void SlideAnimation::setDistancePointF(const QPointF &distance)
{
m_animDistance = distance;
}
QPointF SlideAnimation::distancePointF() const
{
return m_animDistance;
}
SlideAnimation::~SlideAnimation()
{
}
SlideAnimation::SlideAnimation(QObject *parent,
MovementDirection direction,
qreal distance) : EasingAnimation(parent)
{
setMovementDirection(direction);
setDistance(distance);
setEasingCurve(QEasingCurve::OutCirc);
}
void SlideAnimation::setMovementDirection(const Animation::MovementDirection &direction)
{
m_animDirection = direction;
}
Animation::MovementDirection SlideAnimation::movementDirection() const
{
return m_animDirection;
}
void SlideAnimation::updateEffectiveTime(int currentTime)
{
QGraphicsWidget *w = targetWidget();
if (w && state() == QAbstractAnimation::Running) {
const qreal delta = currentTime / qreal(duration());
w->setPos(m_startPos * (1-delta) + (m_targetPos * delta));
}
}
void SlideAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
{
if (oldState == QAbstractAnimation::Stopped && newState == QAbstractAnimation::Running) {
if (!targetWidget()) {
return;
}
m_startPos = targetWidget()->pos();
qreal newX = m_startPos.x();
qreal newY = m_startPos.y();
QPointF actualDistance = (direction() == \
QAbstractAnimation::Forward ? \
distancePointF():-distancePointF());
bool moveAnyOnly = true;
if (m_animDirection.testFlag(MoveUp)) {
newY -= actualDistance.x();
moveAnyOnly = false;
} else if (m_animDirection.testFlag(MoveDown)) {
newY += actualDistance.x();
moveAnyOnly = false;
}
if (m_animDirection.testFlag(MoveRight)) {
newX += actualDistance.x();
moveAnyOnly = false;
} else if (m_animDirection.testFlag(MoveLeft)) {
newX -= actualDistance.x();
moveAnyOnly = false;
}
if (moveAnyOnly && m_animDirection.testFlag(MoveAny)) {
newX += actualDistance.x();
newY += actualDistance.y();
}
if (direction() == QAbstractAnimation::Forward) {
m_targetPos = QPointF(newX, newY);
} else {
m_targetPos = m_startPos;
m_startPos = QPointF(newX, newY);
}
}
}
} //namespace Plasma
#include "slide_p.moc"
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