diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-04-11 16:54:33 +1000 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-04-16 01:25:54 +0200 |
commit | f189b8934dc405cbd45258abc5aba2713428b1cc (patch) | |
tree | dd3d4f61c7337343705faf7a603585c287b8ae50 /src/particles/qquickitemparticle_p.h | |
parent | e00c40a89a1172add896e86e805a7cd42a4ea0c5 (diff) |
Extract Particles code to an independent library
QtQuick clients that do not use particles features should not have
to load these classes.
Task-number: QTBUG-25178
Change-Id: Ib15f7655dc4d821595e06f9160d2770375279027
Reviewed-by: Glenn Watson <glenn.watson@nokia.com>
Diffstat (limited to 'src/particles/qquickitemparticle_p.h')
-rw-r--r-- | src/particles/qquickitemparticle_p.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/particles/qquickitemparticle_p.h b/src/particles/qquickitemparticle_p.h new file mode 100644 index 0000000000..c7b8a2661e --- /dev/null +++ b/src/particles/qquickitemparticle_p.h @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQuick 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> +#include <private/qquickanimation_p_p.h> +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QQuickVisualDataModel; +class QQuickItemParticleAttached; + +class QQuickItemParticle : public QQuickParticlePainter +{ + Q_OBJECT + Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged) + Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) +public: + explicit QQuickItemParticle(QQuickItem *parent = 0); + ~QQuickItemParticle(); + + bool fade() const { return m_fade; } + + virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); + + static QQuickItemParticleAttached *qmlAttachedProperties(QObject *object); + QQmlComponent* delegate() const + { + return m_delegate; + } + +signals: + void fadeChanged(); + + void delegateChanged(QQmlComponent* 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(QQmlComponent* 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: + void tick(int time = 0); + 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; + QQmlComponent* m_delegate; + + typedef QTickAnimationProxy<QQuickItemParticle, &QQuickItemParticle::tick> Clock; + Clock *clock; +}; + +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 |