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++ // Copyright (C) 2025 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "dialog.h"
++ #include <QTimeZone>
++
++ Dialog::Dialog(QWidget *parent) : QDialog(parent), m_ui(std::make_unique<Ui::Dialog>())
++ {
++ m_ui->setupUi(this);
++ const QList<QByteArray> timeZoneIds = QTimeZone::availableTimeZoneIds();
++ for (const QByteArray &timeZone : timeZoneIds)
++ m_ui->comboBox->addItem(QLatin1String(timeZone));
++ connect(m_ui->buttonBox, &QDialogButtonBox::accepted, this,
++ [&] { emit timeZoneSelected(m_ui->comboBox->currentText()); });
++ }
++
++ Dialog::~Dialog() { }