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Diffstat (limited to 'src/declarative/particles/qquickitemparticle_p.h')
-rw-r--r-- | src/declarative/particles/qquickitemparticle_p.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/declarative/particles/qquickitemparticle_p.h b/src/declarative/particles/qquickitemparticle_p.h new file mode 100644 index 0000000000..2e92b9c9ae --- /dev/null +++ b/src/declarative/particles/qquickitemparticle_p.h @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** 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. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ITEMPARTICLE_H +#define ITEMPARTICLE_H +#include "qquickparticlepainter_p.h" +#include <QPointer> +#include <QSet> +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) +class QQuickVisualDataModel; +class QQuickItemParticleAttached; + +class QQuickItemParticle : public QQuickParticlePainter +{ + Q_OBJECT + Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged) + Q_PROPERTY(QDeclarativeComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) +public: + explicit QQuickItemParticle(QQuickItem *parent = 0); + + bool fade() const { return m_fade; } + + virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); + + static QQuickItemParticleAttached *qmlAttachedProperties(QObject *object); + QDeclarativeComponent* delegate() const + { + return m_delegate; + } + +signals: + void fadeChanged(); + + void delegateChanged(QDeclarativeComponent* arg); + +public slots: + //TODO: Add a follow mode, where moving the delegate causes the logical particle to go with it? + void freeze(QQuickItem* item); + void unfreeze(QQuickItem* item); + void take(QQuickItem* item,bool prioritize=false);//take by modelparticle + void give(QQuickItem* item);//give from modelparticle + + void setFade(bool arg){if (arg == m_fade) return; m_fade = arg; emit fadeChanged();} + void setDelegate(QDeclarativeComponent* arg) + { + if (m_delegate != arg) { + m_delegate = arg; + emit delegateChanged(arg); + } + } + +protected: + virtual void reset(); + virtual void commit(int gIdx, int pIdx); + virtual void initialize(int gIdx, int pIdx); + void prepareNextFrame(); +private slots: + void tick(); +private: + QList<QQuickItem* > m_deletables; + QList< QQuickParticleData* > m_loadables; + bool m_fade; + + QList<QQuickItem*> m_pendingItems; + QList<int> m_available; + QSet<QQuickItem*> m_stasis; + qreal m_lastT; + int m_activeCount; + QDeclarativeComponent* m_delegate; +}; + +class QQuickItemParticleAttached : public QObject +{ + Q_OBJECT + Q_PROPERTY(QQuickItemParticle* particle READ particle CONSTANT); +public: + QQuickItemParticleAttached(QObject* parent) + : QObject(parent), m_mp(0) + {;} + QQuickItemParticle* particle() {return m_mp;} + void detach(){emit detached();} + void attach(){emit attached();} +private: + QQuickItemParticle* m_mp; + friend class QQuickItemParticle; +Q_SIGNALS: + void detached(); + void attached(); +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPEINFO(QQuickItemParticle, QML_HAS_ATTACHED_PROPERTIES) + +QT_END_HEADER +#endif // ITEMPARTICLE_H |