/usr/include/KF5/webengineviewer/zoomactionmenu.h is in libkf5webengineviewer-dev 4:17.12.3-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63  | /*
   Copyright (C) 2015-2017 Laurent Montel <montel@kde.org>
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
#ifndef WEBENGINEZOOMACTIONMENU_H
#define WEBENGINEZOOMACTIONMENU_H
#include <KActionMenu>
#include "webengineviewer_export.h"
class KActionCollection;
namespace WebEngineViewer {
class ZoomActionMenuPrivate;
class WEBENGINEVIEWER_EXPORT ZoomActionMenu : public KActionMenu
{
    Q_OBJECT
public:
    explicit ZoomActionMenu(QObject *parent = nullptr);
    ~ZoomActionMenu();
    void createZoomActions();
    QAction *zoomInAction() const;
    QAction *zoomOutAction() const;
    QAction *zoomResetAction() const;
    void setActionCollection(KActionCollection *ac);
    void setZoomFactor(qreal zoomFactor);
    qreal zoomFactor() const;
    void setWebViewerZoomFactor(qreal zoomFactor);
Q_SIGNALS:
    void zoomChanged(qreal value);
public Q_SLOTS:
    void slotZoomIn();
    void slotZoomOut();
    void slotZoomReset();
private:
    ZoomActionMenuPrivate *const d;
};
}
#endif // ZOOMACTIONMENU_H
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