164 lines
4.9 KiB
C++
164 lines
4.9 KiB
C++
/*
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Copyright (C) 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "rotationstacked_p.h"
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#include <QGraphicsRotation>
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#include <QSequentialAnimationGroup>
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#include <QWeakPointer>
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#include <kdebug.h>
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#include "stackedlayout.h"
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#include "plasma.h"
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namespace Plasma
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{
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RotationStackedAnimation::RotationStackedAnimation(QObject *parent)
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: Animation(parent)
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{
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backRotation = new QGraphicsRotation(this);
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frontRotation = new QGraphicsRotation(this);
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sLayout = new StackedLayout;
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}
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RotationStackedAnimation::~RotationStackedAnimation()
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{
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/* TODO: test what is lacking a parent and delete it */
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}
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void RotationStackedAnimation::setMovementDirection(const qint8 &direction)
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{
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animDirection = static_cast<Plasma::AnimationDirection>(direction);
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}
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qint8 RotationStackedAnimation::movementDirection() const
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{
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return static_cast<qint8>(animDirection);
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}
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void RotationStackedAnimation::setReference(const qint8 &reference)
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{
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m_reference = reference;
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}
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qint8 RotationStackedAnimation::reference() const
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{
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return m_reference;
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}
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QGraphicsWidget *RotationStackedAnimation::backWidget()
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{
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return m_backWidget.data();
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}
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void RotationStackedAnimation::setBackWidget(QGraphicsWidget *backWidget)
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{
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m_backWidget = backWidget;
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if(targetWidget()) {
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sLayout->addWidget(targetWidget());
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sLayout->addWidget(m_backWidget.data());
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}
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}
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QGraphicsLayoutItem *RotationStackedAnimation::layout()
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{
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return sLayout;
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}
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void RotationStackedAnimation::updateState(
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QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
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{
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if (!backWidget()) {
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return;
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}
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QPair<QGraphicsWidget *,QGraphicsWidget *> widgets = qMakePair(targetWidget(), backWidget());
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const qreal widgetFrontWidth = widgets.first->size().width();
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const qreal widgetFrontHeight = widgets.first->size().height();
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const qreal widgetBackWidth = widgets.second->size().width();
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const qreal widgetBackHeight = widgets.second->size().height();
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QPair<QVector3D, QVector3D> vector;
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if (reference() == Center) {
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vector.first = QVector3D(widgetFrontWidth/2, widgetFrontHeight/2, 0);
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vector.second = QVector3D(widgetBackWidth/2, widgetBackHeight/2, 0);
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if (animDirection == MoveLeft || animDirection == MoveRight) {
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frontRotation->setAxis(Qt::YAxis);
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backRotation->setAxis(Qt::YAxis);
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if (animDirection == MoveLeft) {
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/* TODO: the order way */
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} else {
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frontStartAngle = 0;
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frontEndAngle = 90;
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backStartAngle = 265; //hack
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backEndAngle = 360;
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}
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}
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}
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frontRotation->setOrigin(vector.first);
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backRotation->setOrigin(vector.second);
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QList<QGraphicsTransform *> backTransformation;
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QList<QGraphicsTransform *> frontTransformation;
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frontTransformation.append(frontRotation);
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backTransformation.append(backRotation);
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widgets.first->setTransformations(frontTransformation);
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widgets.second->setTransformations(backTransformation);
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if (oldState == Stopped && newState == Running) {
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frontRotation->setAngle(direction() == Forward ? frontStartAngle : frontEndAngle);
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backRotation->setAngle(direction() == Forward ? backStartAngle : backEndAngle);
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} else if(newState == Stopped) {
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frontRotation->setAngle(direction() == Forward ? frontEndAngle : frontStartAngle);
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backRotation->setAngle(direction() == Forward ? backEndAngle : backStartAngle);
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}
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}
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void RotationStackedAnimation::updateCurrentTime(int currentTime)
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{
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QGraphicsWidget *w = targetWidget();
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if(w) {
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qreal delta;
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if (currentTime <= duration()/2) {
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delta = Animation::easingCurve().valueForProgress(
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(currentTime * 2) / qreal(duration()));
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sLayout->setCurrentWidgetIndex(0);
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delta = frontEndAngle * delta;
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frontRotation->setAngle(delta);
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} else {
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delta = Animation::easingCurve().valueForProgress(
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(currentTime/2) / qreal(duration()));
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sLayout->setCurrentWidgetIndex(1);
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delta = backEndAngle * delta;
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backRotation->setAngle(delta);
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}
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}
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}
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}
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