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2 | ** |
3 | ** Copyright (C) 2017 The Qt Company Ltd. |
4 | ** Contact: http://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the QtLocation module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL3$ |
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17 | ** GNU Lesser General Public License Usage |
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19 | ** General Public License version 3 as published by the Free Software |
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24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
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30 | ** ensure the GNU General Public License version 2.0 requirements will be |
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35 | ****************************************************************************/ |
36 | |
37 | #include "qparameterizableobject_p.h" |
38 | #include "qdeclarativegeomapparameter_p.h" |
39 | #include <QtLocation/private/qgeomapparameter_p.h> |
40 | #include <private/qobject_p.h> |
41 | |
42 | QT_BEGIN_NAMESPACE |
43 | |
44 | void QParameterizableObject::appendChild(QObject *v) |
45 | { |
46 | m_children.append(t: v); |
47 | } |
48 | |
49 | void QParameterizableObject::clearChildren() |
50 | { |
51 | m_children.clear(); |
52 | } |
53 | |
54 | QQmlListProperty<QObject> QParameterizableObject::declarativeChildren() |
55 | { |
56 | return QQmlListProperty<QObject>(this, nullptr, |
57 | &QParameterizableObject::append, |
58 | &QParameterizableObject::count, |
59 | &QParameterizableObject::at, |
60 | &QParameterizableObject::clear); |
61 | } |
62 | |
63 | void QParameterizableObject::append(QQmlListProperty<QObject> *p, QObject *v) |
64 | { |
65 | QParameterizableObject *object = static_cast<QParameterizableObject*>(p->object); |
66 | object->appendChild(v); |
67 | } |
68 | |
69 | int QParameterizableObject::count(QQmlListProperty<QObject> *p) |
70 | { |
71 | return static_cast<QParameterizableObject*>(p->object)->m_children.count(); |
72 | } |
73 | |
74 | QObject *QParameterizableObject::at(QQmlListProperty<QObject> *p, int idx) |
75 | { |
76 | return static_cast<QParameterizableObject*>(p->object)->m_children.at(i: idx); |
77 | } |
78 | |
79 | void QParameterizableObject::clear(QQmlListProperty<QObject> *p) |
80 | { |
81 | QParameterizableObject *object = static_cast<QParameterizableObject*>(p->object); |
82 | object->clearChildren(); |
83 | } |
84 | |
85 | class QParameterizableObjectData: public QAbstractDeclarativeData |
86 | { |
87 | public: |
88 | QParameterizableObjectData() |
89 | { |
90 | init(); |
91 | } |
92 | |
93 | static inline void init() { |
94 | static bool initialized = false; |
95 | if (!initialized) { |
96 | initialized = true; |
97 | QAbstractDeclarativeData::parentChanged = parentChanged; |
98 | } |
99 | } |
100 | |
101 | static void parentChanged(QAbstractDeclarativeData *d, QObject *o, QObject *p); |
102 | }; |
103 | |
104 | Q_GLOBAL_STATIC(QParameterizableObjectData, parametrizableObjectData) |
105 | |
106 | QParameterizableObject::QParameterizableObject(QObject *parent) |
107 | : QObject(parent) |
108 | { |
109 | QObjectPrivate::get(o: this)->declarativeData = parametrizableObjectData; |
110 | } |
111 | |
112 | void QParameterizableObjectData::parentChanged(QAbstractDeclarativeData *d, QObject *o, QObject *p) |
113 | { |
114 | Q_UNUSED(p) |
115 | Q_UNUSED(d) |
116 | QParameterizableObject *po = qobject_cast<QParameterizableObject *>(object: o); |
117 | if (po) |
118 | po->parentChanged(); |
119 | } |
120 | |
121 | QT_END_NAMESPACE |
122 | |