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39 | |
40 | #include "quick3dnode_p.h" |
41 | |
42 | #include <QtCore/QDebug> |
43 | |
44 | QT_BEGIN_NAMESPACE |
45 | |
46 | namespace Qt3DCore { |
47 | namespace Quick { |
48 | |
49 | /*! |
50 | \qmltype Node |
51 | \inqmlmodule Qt3D.Core |
52 | \since 5.5 |
53 | |
54 | \brief A base QML type that other types inherit. It cannot be directly |
55 | created. |
56 | */ |
57 | |
58 | Quick3DNode::Quick3DNode(QObject *parent) |
59 | : QObject(parent) |
60 | { |
61 | } |
62 | |
63 | /*! |
64 | \qmlproperty list<QtQml::QtObject> Qt3DCore::Node::data |
65 | \default |
66 | */ |
67 | |
68 | QQmlListProperty<QObject> Quick3DNode::data() |
69 | { |
70 | return QQmlListProperty<QObject>(this, 0, |
71 | Quick3DNode::appendData, |
72 | Quick3DNode::dataCount, |
73 | Quick3DNode::dataAt, |
74 | Quick3DNode::clearData); |
75 | } |
76 | |
77 | /*! |
78 | \qmlproperty list<Node> Qt3DCore::Node::childNodes |
79 | \readonly |
80 | */ |
81 | |
82 | QQmlListProperty<QNode> Quick3DNode::childNodes() |
83 | { |
84 | return QQmlListProperty<QNode>(this, 0, |
85 | Quick3DNode::appendChild, |
86 | Quick3DNode::childCount, |
87 | Quick3DNode::childAt, |
88 | Quick3DNode::clearChildren); |
89 | } |
90 | |
91 | void Quick3DNode::appendData(QQmlListProperty<QObject> *list, QObject *obj) |
92 | { |
93 | if (!obj) |
94 | return; |
95 | |
96 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
97 | self->childAppended(idx: 0, child: obj); |
98 | } |
99 | |
100 | QObject *Quick3DNode::dataAt(QQmlListProperty<QObject> *list, int index) |
101 | { |
102 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
103 | return self->parentNode()->children().at(i: index); |
104 | } |
105 | |
106 | int Quick3DNode::dataCount(QQmlListProperty<QObject> *list) |
107 | { |
108 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
109 | return self->parentNode()->children().count(); |
110 | } |
111 | |
112 | void Quick3DNode::clearData(QQmlListProperty<QObject> *list) |
113 | { |
114 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
115 | for (QObject *const child : self->parentNode()->children()) |
116 | self->childRemoved(idx: 0, child); |
117 | } |
118 | |
119 | void Quick3DNode::appendChild(QQmlListProperty<Qt3DCore::QNode> *list, Qt3DCore::QNode *obj) |
120 | { |
121 | if (!obj) |
122 | return; |
123 | |
124 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
125 | Q_ASSERT(!self->parentNode()->children().contains(obj)); |
126 | |
127 | self->childAppended(idx: 0, child: obj); |
128 | } |
129 | |
130 | Qt3DCore::QNode *Quick3DNode::childAt(QQmlListProperty<Qt3DCore::QNode> *list, int index) |
131 | { |
132 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
133 | return qobject_cast<QNode *>(object: self->parentNode()->children().at(i: index)); |
134 | } |
135 | |
136 | int Quick3DNode::childCount(QQmlListProperty<Qt3DCore::QNode> *list) |
137 | { |
138 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
139 | return self->parentNode()->children().count(); |
140 | } |
141 | |
142 | void Quick3DNode::clearChildren(QQmlListProperty<Qt3DCore::QNode> *list) |
143 | { |
144 | Quick3DNode *self = static_cast<Quick3DNode *>(list->object); |
145 | for (QObject *const child : self->parentNode()->children()) |
146 | self->childRemoved(idx: 0, child); |
147 | } |
148 | |
149 | void Quick3DNode::childAppended(int, QObject *obj) |
150 | { |
151 | QNode *parentNode = this->parentNode(); |
152 | if (obj->parent() == parentNode) |
153 | obj->setParent(0); |
154 | // Set after otherwise addChild might not work |
155 | if (QNode *n = qobject_cast<QNode *>(object: obj)) |
156 | n->setParent(parentNode); |
157 | else |
158 | obj->setParent(parentNode); |
159 | } |
160 | |
161 | void Quick3DNode::childRemoved(int, QObject *obj) |
162 | { |
163 | if (QNode *n = qobject_cast<QNode *>(object: obj)) |
164 | n->setParent(Q_NODE_NULLPTR); |
165 | else |
166 | obj->setParent(nullptr); |
167 | } |
168 | |
169 | } // namespace Quick |
170 | } // namespace Qt3DCore |
171 | |
172 | QT_END_NAMESPACE |
173 | |