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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMESSAGEBOXHELPER_P_H
+#define QMESSAGEBOXHELPER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QMessageBox>
+#include "../dialogs/qquickabstractmessagedialog_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QMessageBoxHelper : public QPlatformMessageDialogHelper
+{
+    Q_OBJECT
+public:
+    QMessageBoxHelper() {
+        connect(&m_dialog, SIGNAL(accepted()), this, SIGNAL(accept()));
+        connect(&m_dialog, SIGNAL(rejected()), this, SIGNAL(reject()));
+        connect(&m_dialog, SIGNAL(buttonClicked(QAbstractButton*)), this, SLOT(buttonClicked(QAbstractButton*)));
+    }
+
+    virtual void exec() { m_dialog.exec(); }
+
+    virtual bool show(Qt::WindowFlags f, Qt::WindowModality m, QWindow *parent) {
+        m_dialog.winId();
+        QWindow *window = m_dialog.windowHandle();
+        Q_ASSERT(window);
+        window->setTransientParent(parent);
+        window->setFlags(f);
+        m_dialog.setWindowModality(m);
+        m_dialog.setWindowTitle(QPlatformMessageDialogHelper::options()->windowTitle());
+        m_dialog.setIcon(static_cast<QMessageBox::Icon>(QPlatformMessageDialogHelper::options()->icon()));
+        if (!QPlatformMessageDialogHelper::options()->text().isNull())
+            m_dialog.setText(QPlatformMessageDialogHelper::options()->text());
+        if (!QPlatformMessageDialogHelper::options()->informativeText().isNull())
+            m_dialog.setInformativeText(QPlatformMessageDialogHelper::options()->informativeText());
+        if (!QPlatformMessageDialogHelper::options()->detailedText().isNull())
+            m_dialog.setDetailedText(QPlatformMessageDialogHelper::options()->detailedText());
+        m_dialog.setStandardButtons(static_cast<QMessageBox::StandardButtons>(static_cast<int>(
+            QPlatformMessageDialogHelper::options()->standardButtons())));
+        m_dialog.show();
+        return m_dialog.isVisible();
+    }
+
+    virtual void hide() { m_dialog.hide(); }
+
+    QMessageBox m_dialog;
+
+public Q_SLOTS:
+    void buttonClicked(QAbstractButton* button) {
+        emit clicked(static_cast<QMessageDialogOptions::StandardButton>(m_dialog.standardButton(button)),
+            static_cast<QMessageDialogOptions::ButtonRole>(m_dialog.buttonRole(button)));
+    }
+};
+
+QT_END_NAMESPACE
+
+#endif // QMESSAGEBOXHELPER_P_H