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39
40#include "qquickwritingsystemlistmodel_p.h"
41#include <QtGui/qfontdatabase.h>
42#include <QtQml/qqmlcontext.h>
43#include <QtQml/qqml.h>
44#include <QtQml/qqmlengine.h>
45
46QT_BEGIN_NAMESPACE
47
48class QQuickWritingSystemListModelPrivate
49{
50 Q_DECLARE_PUBLIC(QQuickWritingSystemListModel)
51
52public:
53 QQuickWritingSystemListModelPrivate(QQuickWritingSystemListModel *q)
54 : q_ptr(q)
55 {}
56
57 QQuickWritingSystemListModel *q_ptr;
58 QList<QFontDatabase::WritingSystem> wss;
59 QHash<int, QByteArray> roleNames;
60 ~QQuickWritingSystemListModelPrivate() {}
61 void init();
62};
63
64
65void QQuickWritingSystemListModelPrivate::init()
66{
67 Q_Q(QQuickWritingSystemListModel);
68 wss << QFontDatabase::Any;
69 QFontDatabase db;
70 wss << db.writingSystems();
71
72 emit q->rowCountChanged();
73 emit q->writingSystemsChanged();
74}
75
76QQuickWritingSystemListModel::QQuickWritingSystemListModel(QObject *parent)
77 : QAbstractListModel(parent), d_ptr(new QQuickWritingSystemListModelPrivate(this))
78{
79 Q_D(QQuickWritingSystemListModel);
80 d->roleNames[WritingSystemNameRole] = "name";
81 d->roleNames[WritingSystemSampleRole] = "sample";
82 d->init();
83}
84
85QQuickWritingSystemListModel::~QQuickWritingSystemListModel()
86{
87}
88
89QVariant QQuickWritingSystemListModel::data(const QModelIndex &index, int role) const
90{
91 Q_D(const QQuickWritingSystemListModel);
92 QVariant rv;
93
94 if (index.row() >= d->wss.size())
95 return rv;
96
97 switch (role)
98 {
99 case WritingSystemNameRole:
100 rv = QFontDatabase::writingSystemName(writingSystem: d->wss.at(i: index.row()));
101 break;
102 case WritingSystemSampleRole:
103 rv = QFontDatabase::writingSystemSample(writingSystem: d->wss.at(i: index.row()));
104 break;
105 default:
106 break;
107 }
108 return rv;
109}
110
111QHash<int, QByteArray> QQuickWritingSystemListModel::roleNames() const
112{
113 Q_D(const QQuickWritingSystemListModel);
114 return d->roleNames;
115}
116
117int QQuickWritingSystemListModel::rowCount(const QModelIndex &parent) const
118{
119 Q_D(const QQuickWritingSystemListModel);
120 Q_UNUSED(parent);
121 return d->wss.size();
122}
123
124QModelIndex QQuickWritingSystemListModel::index(int row, int , const QModelIndex &) const
125{
126 return createIndex(arow: row, acolumn: 0);
127}
128
129QStringList QQuickWritingSystemListModel::writingSystems() const
130{
131 Q_D(const QQuickWritingSystemListModel);
132 QStringList result;
133 result.reserve(alloc: d->wss.size());
134 for (QFontDatabase::WritingSystem ws : qAsConst(t: d->wss))
135 result.append(t: QFontDatabase::writingSystemName(writingSystem: ws));
136
137 return result;
138}
139
140QJSValue QQuickWritingSystemListModel::get(int idx) const
141{
142 Q_D(const QQuickWritingSystemListModel);
143
144 QJSEngine *engine = qmlEngine(this);
145
146 if (idx < 0 || idx >= count())
147 return engine->newObject();
148
149 QJSValue result = engine->newObject();
150 int count = d->roleNames.count();
151 for (int i = 0; i < count; ++i)
152 result.setProperty(name: QString(d->roleNames[Qt::UserRole + i + 1]), value: data(index: index(row: idx, 0), role: Qt::UserRole + i + 1).toString());
153
154 return result;
155
156}
157
158void QQuickWritingSystemListModel::classBegin()
159{
160}
161
162void QQuickWritingSystemListModel::componentComplete()
163{
164}
165
166QT_END_NAMESPACE
167

source code of qtquickcontrols/src/dialogs/Private/qquickwritingsystemlistmodel.cpp