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Diffstat (limited to 'src/declarative/particles/qquickitemparticle.cpp')
| -rw-r--r-- | src/declarative/particles/qquickitemparticle.cpp | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/src/declarative/particles/qquickitemparticle.cpp b/src/declarative/particles/qquickitemparticle.cpp deleted file mode 100644 index 8b39ac3abd..0000000000 --- a/src/declarative/particles/qquickitemparticle.cpp +++ /dev/null @@ -1,269 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Declarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickitemparticle_p.h" -#include <private/qquickvisualitemmodel_p.h> -#include <qsgnode.h> -#include <QTimer> -#include <QDeclarativeComponent> -#include <QDebug> - -QT_BEGIN_NAMESPACE - -/*! - \qmlclass ItemParticle QQuickItemParticle - \inqmlmodule QtQuick.Particles 2 - \inherits ParticlePainter - \brief The ItemParticle element allows you to specify your own delegate to paint particles. - -*/ - - -/*! - \qmlmethod void QtQuick.Particles2::ItemParticle::freeze(Item item) - - Suspends the flow of time for the logical particle which item represents, allowing you to control its movement. -*/ - -/*! - \qmlmethod void QtQuick.Particles2::ItemParticle::unfreeze(Item item) - - Restarts the flow of time for the logical particle which item represents, allowing it to be moved by the particle system again. -*/ - -/*! - \qmlmethod void QtQuick.Particles2::ItemParticle::take(Item item, bool prioritize) - - Asks the ItemParticle to take over control of item. It will be emitted when there is a logical particle available. - - By default items form a queue when waiting for a logical particle, but if prioritize is true then it will go immediately to the - head of the queue. -*/ -/*! - \qmlmethod void QtQuick.Particles2::ItemParticle::give(Item item) - - Orders the ItemParticle to give you control of the item. It will cease controlling it and the item will lose its association to the logical particle. -*/ - -/*! - \qmlproperty bool QtQuick.Particles2::ItemParticle::fade - - If true, the item will automatically be faded in and out - at the ends of its lifetime. If false, you will have to - implement any entry effect yourself. - - Default is true. -*/ -/*! - \qmlproperty Component QtQuick.Particles2::ItemParticle::delegate - - An instance of the delegate will be created for every logical - particle, and moved along with it. -*/ - -QQuickItemParticle::QQuickItemParticle(QQuickItem *parent) : - QQuickParticlePainter(parent), m_fade(true), m_delegate(0) -{ - setFlag(QQuickItem::ItemHasContents); - QTimer* manageDelegates = new QTimer(this);//TODO: don't leak - connect(manageDelegates, SIGNAL(timeout()), - this, SLOT(tick())); - manageDelegates->setInterval(16); - manageDelegates->setSingleShot(false); - manageDelegates->start(); -} - - -void QQuickItemParticle::freeze(QQuickItem* item) -{ - m_stasis << item; -} - - -void QQuickItemParticle::unfreeze(QQuickItem* item) -{ - m_stasis.remove(item); -} - -void QQuickItemParticle::take(QQuickItem *item, bool prioritize) -{ - if (prioritize) - m_pendingItems.push_front(item); - else - m_pendingItems.push_back(item); -} - -void QQuickItemParticle::give(QQuickItem *item) -{ - //TODO: This - Q_UNUSED(item); -} - -void QQuickItemParticle::initialize(int gIdx, int pIdx) -{ - m_loadables << m_system->groupData[gIdx]->data[pIdx];//defer to other thread -} - -void QQuickItemParticle::commit(int, int) -{ -} - -void QQuickItemParticle::tick() -{ - foreach (QQuickItem* item, m_deletables){ - if (m_fade) - item->setOpacity(0.); - item->setVisible(false); - QQuickItemParticleAttached* mpa; - if ((mpa = qobject_cast<QQuickItemParticleAttached*>(qmlAttachedPropertiesObject<QQuickItemParticle>(item)))) - mpa->detach();//reparent as well? - //TODO: Delete iff we created it - m_activeCount--; - } - m_deletables.clear(); - - foreach (QQuickParticleData* d, m_loadables){ - if (m_stasis.contains(d->delegate)) - qWarning() << "Current model particles prefers overwrite:false"; - //remove old item from the particle that is dying to make room for this one - if (d->delegate) - m_deletables << d->delegate; - d->delegate = 0; - if (!m_pendingItems.isEmpty()){ - d->delegate = m_pendingItems.front(); - m_pendingItems.pop_front(); - }else if (m_delegate){ - d->delegate = qobject_cast<QQuickItem*>(m_delegate->create(qmlContext(this))); - } - if (d->delegate && d){//###Data can be zero if creating an item leads to a reset - this screws things up. - d->delegate->setX(d->curX() - d->delegate->width()/2);//TODO: adjust for system? - d->delegate->setY(d->curY() - d->delegate->height()/2); - QQuickItemParticleAttached* mpa = qobject_cast<QQuickItemParticleAttached*>(qmlAttachedPropertiesObject<QQuickItemParticle>(d->delegate)); - if (mpa){ - mpa->m_mp = this; - mpa->attach(); - } - d->delegate->setParentItem(this); - if (m_fade) - d->delegate->setOpacity(0.); - d->delegate->setVisible(false);//Will be set to true when we prepare the next frame - m_activeCount++; - } - } - m_loadables.clear(); -} - -void QQuickItemParticle::reset() -{ - QQuickParticlePainter::reset(); - //TODO: Cleanup items? - m_loadables.clear(); - //deletables? -} - - -QSGNode* QQuickItemParticle::updatePaintNode(QSGNode* n, UpdatePaintNodeData* d) -{ - //Dummy update just to get painting tick - if (m_pleaseReset){ - m_pleaseReset = false; - reset(); - } - prepareNextFrame(); - - update();//Get called again - if (n) - n->markDirty(QSGNode::DirtyMaterial); - return QQuickItem::updatePaintNode(n,d); -} - -void QQuickItemParticle::prepareNextFrame() -{ - if (!m_system) - return; - qint64 timeStamp = m_system->systemSync(this); - qreal curT = timeStamp/1000.0; - qreal dt = curT - m_lastT; - m_lastT = curT; - if (!m_activeCount) - return; - - //TODO: Size, better fade? - foreach (const QString &str, m_groups){ - int gIdx = m_system->groupIds[str]; - int count = m_system->groupData[gIdx]->size(); - - for (int i=0; i<count; i++){ - QQuickParticleData* data = m_system->groupData[gIdx]->data[i]; - QQuickItem* item = data->delegate; - if (!item) - continue; - qreal t = ((timeStamp/1000.0) - data->t) / data->lifeSpan; - if (m_stasis.contains(item)) { - data->t += dt;//Stasis effect - continue; - } - if (t >= 1.0){//Usually happens from load - m_deletables << item; - data->delegate = 0; - }else{//Fade - data->delegate->setVisible(true); - if (m_fade){ - qreal o = 1.; - if (t<0.2) - o = t*5; - if (t>0.8) - o = (1-t)*5; - item->setOpacity(o); - } - } - item->setX(data->curX() - item->width()/2 - m_systemOffset.x()); - item->setY(data->curY() - item->height()/2 - m_systemOffset.y()); - } - } -} - -QQuickItemParticleAttached *QQuickItemParticle::qmlAttachedProperties(QObject *object) -{ - return new QQuickItemParticleAttached(object); -} - -QT_END_NAMESPACE |