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++ // Copyright (C) 2016 Tasuku Suzuki <stasuku@gmail.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++
++ #include "logviewer.h"
++
++ #include <QtGui/QContextMenuEvent>
++ #include <QtWidgets/QMenu>
++
++ LogViewer::LogViewer(QWidget *parent)
++ : QTextBrowser(parent)
++ {
++ }
++
++ void LogViewer::contextMenuEvent(QContextMenuEvent *event)
++ {
++ QMenu *menu = createStandardContextMenu();
++ QAction *action = menu->addAction(tr("Clear"));
++ connect(action, &QAction::triggered, this, &QTextEdit::clear);
++ menu->exec(event->globalPos());
++ delete menu;
++ }