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50#include "piechart.h"
51#include "pieslice.h"
52
53PieChart::PieChart(QQuickItem *parent)
54 : QQuickItem(parent)
55{
56}
57
58QString PieChart::name() const
59{
60 return m_name;
61}
62
63void PieChart::setName(const QString &name)
64{
65 m_name = name;
66}
67
68//![0]
69QQmlListProperty<PieSlice> PieChart::slices()
70{
71 return QQmlListProperty<PieSlice>(this, nullptr, &PieChart::append_slice, nullptr,
72 nullptr, nullptr, nullptr, nullptr);
73}
74
75void PieChart::append_slice(QQmlListProperty<PieSlice> *list, PieSlice *slice)
76{
77 PieChart *chart = qobject_cast<PieChart *>(object: list->object);
78 if (chart) {
79 slice->setParentItem(chart);
80 chart->m_slices.append(t: slice);
81 }
82}
83//![0]
84

source code of qtdeclarative/examples/qml/tutorials/extending-qml/chapter5-listproperties/piechart.cpp