Immense Particles Refactor Part A

Qt.labs.particles 2.0 moved to QtQuick.Particles 2.0. All C++ classes
changed names, some renaming of QML types.

Also adds CustomParticle.

1 files changed, 125 insertions, 0 deletions

diff --git a/src/declarative/particles/qsgitemparticle_p.h b/src/declarative/particles/qsgitemparticle_p.h
new file mode 100644
index 0000000000..fa3516b631
--- /dev/null
+++ b/src/declarative/particles/qsgitemparticle_p.h
@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef ITEMPARTICLE_H
+#define ITEMPARTICLE_H
+#include "qsgparticlepainter_p.h"
+#include <QPointer>
+#include <QSet>
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+class QSGVisualDataModel;
+class QSGItemParticleAttached;
+
+class QSGItemParticle : public QSGParticlePainter
+{
+    Q_OBJECT
+
+    Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged)
+public:
+    explicit QSGItemParticle(QSGItem *parent = 0);
+
+    bool fade() const { return m_fade; }
+
+    virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
+    virtual void load(QSGParticleData*);
+    virtual void reload(QSGParticleData*);
+    virtual void setCount(int c);
+    virtual int count();
+
+    static QSGItemParticleAttached *qmlAttachedProperties(QObject *object);
+signals:
+    void fadeChanged();
+
+public slots:
+    //TODO: Add a follow mode, where moving the delegate causes the logical particle to go with it?
+    void freeze(QSGItem* item);
+    void unfreeze(QSGItem* item);
+    void take(QSGItem* item,bool prioritize=false);//take by modelparticle
+    void give(QSGItem* item);//give from modelparticle
+
+    void setFade(bool arg){if(arg == m_fade) return; m_fade = arg; emit fadeChanged();}
+protected:
+    virtual void reset();
+    void prepareNextFrame();
+private:
+    QList<QPointer<QSGItem> > m_deletables;
+    int m_particleCount;
+    bool m_fade;
+
+    QList<QSGItem*> m_pendingItems;
+    QVector<QSGItem*> m_items;
+    QVector<QSGParticleData*> m_data;
+    QVector<int> m_idx;
+    QList<int> m_available;
+    QSet<QSGItem*> m_stasis;
+    qreal m_lastT;
+    int m_activeCount;
+};
+
+class QSGItemParticleAttached : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QSGItemParticle* particle READ particle CONSTANT);
+public:
+    QSGItemParticleAttached(QObject* parent)
+        : QObject(parent), m_mp(0)
+    {;}
+    QSGItemParticle* particle() {return m_mp;}
+    void detach(){emit detached();}
+    void attach(){emit attached();}
+private:
+    QSGItemParticle* m_mp;
+    friend class QSGItemParticle;
+Q_SIGNALS:
+    void detached();
+    void attached();
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPEINFO(QSGItemParticle, QML_HAS_ATTACHED_PROPERTIES)
+
+QT_END_HEADER
+#endif // ITEMPARTICLE_H