130 lines
3.6 KiB
C++
130 lines
3.6 KiB
C++
/*
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* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "slide_p.h"
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#include <QPointF>
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#include <kdebug.h>
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namespace Plasma
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{
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void SlideAnimation::setDistance(qreal distance)
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{
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m_animDistance = QPointF(distance, 0.0);
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}
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qreal SlideAnimation::distance() const
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{
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return m_animDistance.x();
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}
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void SlideAnimation::setDistancePointF(const QPointF &distance)
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{
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m_animDistance = distance;
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}
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QPointF SlideAnimation::distancePointF() const
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{
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return m_animDistance;
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}
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SlideAnimation::~SlideAnimation()
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{
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}
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SlideAnimation::SlideAnimation(QObject *parent,
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MovementDirection direction,
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qreal distance) : EasingAnimation(parent)
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{
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setMovementDirection(direction);
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setDistance(distance);
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setEasingCurve(QEasingCurve::OutCirc);
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}
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void SlideAnimation::setMovementDirection(const Animation::MovementDirection &direction)
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{
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m_animDirection = direction;
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}
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Animation::MovementDirection SlideAnimation::movementDirection() const
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{
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return m_animDirection;
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}
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void SlideAnimation::updateEffectiveTime(int currentTime)
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{
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QGraphicsWidget *w = targetWidget();
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if (w && state() == QAbstractAnimation::Running) {
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const qreal delta = currentTime / qreal(duration());
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w->setPos(m_startPos * (1-delta) + (m_targetPos * delta));
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}
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}
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void SlideAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
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{
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if (oldState == QAbstractAnimation::Stopped && newState == QAbstractAnimation::Running) {
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if (!targetWidget()) {
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return;
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}
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m_startPos = targetWidget()->pos();
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qreal newX = m_startPos.x();
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qreal newY = m_startPos.y();
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QPointF actualDistance = (direction() == \
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QAbstractAnimation::Forward ? \
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distancePointF():-distancePointF());
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bool moveAnyOnly = true;
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if (m_animDirection.testFlag(MoveUp)) {
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newY -= actualDistance.x();
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moveAnyOnly = false;
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} else if (m_animDirection.testFlag(MoveDown)) {
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newY += actualDistance.x();
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moveAnyOnly = false;
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}
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if (m_animDirection.testFlag(MoveRight)) {
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newX += actualDistance.x();
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moveAnyOnly = false;
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} else if (m_animDirection.testFlag(MoveLeft)) {
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newX -= actualDistance.x();
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moveAnyOnly = false;
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}
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if (moveAnyOnly && m_animDirection.testFlag(MoveAny)) {
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newX += actualDistance.x();
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newY += actualDistance.y();
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}
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if (direction() == QAbstractAnimation::Forward) {
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m_targetPos = QPointF(newX, newY);
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} else {
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m_targetPos = m_startPos;
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m_startPos = QPointF(newX, newY);
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}
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}
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}
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} //namespace Plasma
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#include "slide_p.moc"
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