blob: 50414c77b674944e3d7dcd7b893530c716c2d900 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
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 "particle.h"
#include <QPointer>
#include <QSet>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QSGVisualDataModel;
class ItemParticleAttached;
class ItemParticle : public ParticleType
{
Q_OBJECT
Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged)
public:
explicit ItemParticle(QSGItem *parent = 0);
bool fade() const { return m_fade; }
virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
virtual void load(ParticleData*);
virtual void reload(ParticleData*);
virtual void setCount(int c);
virtual int count();
static ItemParticleAttached *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<ParticleData*> m_data;
QVector<int> m_idx;
QList<int> m_available;
QSet<QSGItem*> m_stasis;
qreal m_lastT;
int m_activeCount;
};
class ItemParticleAttached : public QObject
{
Q_OBJECT
Q_PROPERTY(ItemParticle* particle READ particle CONSTANT);
public:
ItemParticleAttached(QObject* parent)
: QObject(parent), m_mp(0)
{;}
ItemParticle* particle() {return m_mp;}
void detach(){emit detached();}
void attach(){emit attached();}
private:
ItemParticle* m_mp;
friend class ItemParticle;
Q_SIGNALS:
void detached();
void attached();
};
QT_END_NAMESPACE
QML_DECLARE_TYPEINFO(ItemParticle, QML_HAS_ATTACHED_PROPERTIES)
QT_END_HEADER
#endif // ITEMPARTICLE_H
|
