ca35755ac0
TODO: check which classes it makes sense to actually allow the user to set the easing curve. svn path=/trunk/KDE/kdelibs/; revision=1060689
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*
|
|
* Copyright 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>
|
|
*
|
|
* 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 "geometry_p.h"
|
|
|
|
#include <QRect>
|
|
|
|
#include <kdebug.h>
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
GeometryAnimation::GeometryAnimation(QObject *parent)
|
|
: Animation(parent),
|
|
m_startGeometry(-1, -1, -1, -1)
|
|
{
|
|
}
|
|
|
|
GeometryAnimation::~GeometryAnimation()
|
|
{
|
|
}
|
|
|
|
void GeometryAnimation::setStartGeometry(const QRectF &geometry)
|
|
{
|
|
m_startGeometry = geometry;
|
|
}
|
|
|
|
QRectF GeometryAnimation::startGeometry() const
|
|
{
|
|
return m_startGeometry;
|
|
}
|
|
|
|
void GeometryAnimation::setTargetGeometry(const QRectF &geometry)
|
|
{
|
|
m_targetGeometry = geometry;
|
|
}
|
|
|
|
QRectF GeometryAnimation::targetGeometry() const
|
|
{
|
|
return m_targetGeometry;
|
|
}
|
|
|
|
void GeometryAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
|
|
{
|
|
QGraphicsWidget *w = widgetToAnimate();
|
|
if (!w) {
|
|
return;
|
|
}
|
|
|
|
if (m_startGeometry == QRectF(-1, -1, -1, -1)) {
|
|
m_startGeometry = w->geometry();
|
|
}
|
|
|
|
if (oldState == Stopped && newState == Running) {
|
|
w->setGeometry(direction() == Forward ? m_startGeometry : m_targetGeometry);
|
|
} else if (newState == Stopped) {
|
|
w->setGeometry(direction() == Forward ? m_targetGeometry : m_startGeometry);
|
|
}
|
|
}
|
|
|
|
void GeometryAnimation::updateCurrentTime(int currentTime)
|
|
{
|
|
QGraphicsWidget *w = widgetToAnimate();
|
|
if (w) {
|
|
qreal delta = Animation::easingCurve().valueForProgress(
|
|
currentTime / qreal(duration()));
|
|
|
|
QRectF newGeo = m_startGeometry;
|
|
newGeo.adjust((-m_startGeometry.x() + m_targetGeometry.x()) * delta,
|
|
(-m_startGeometry.y() + m_targetGeometry.y()) * delta,
|
|
(-m_startGeometry.width() + m_targetGeometry.width()) * delta,
|
|
(-m_startGeometry.height() + m_targetGeometry.height()) * delta);
|
|
|
|
w->setGeometry(newGeo);
|
|
}
|
|
|
|
Animation::updateCurrentTime(currentTime);
|
|
}
|
|
|
|
} //namespace Plasma
|