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C++

/*
Gwenview: an image viewer
Copyright 2019 Steffen Hartleib <steffenhartleib@t-online.de>
Copyright 2022 Carl Schwan <carlschwan@kde.org>
Copyright 2022 Bharadwaj Raju <bharadwaj.raju777@protonmail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
*/
#pragma once
#include <lib/gwenviewlib_export.h>
#include <QObject>
class PointerGestures;
class PinchGesture;
namespace Gwenview
{
class GWENVIEWLIB_EXPORT WaylandGestures : public QObject
{
Q_OBJECT
public:
WaylandGestures(QObject *parent = nullptr);
~WaylandGestures();
void init();
void setStartZoom(qreal);
void setZoomModifier(qreal);
void setRotationThreshold(qreal);
Q_SIGNALS:
void pinchGestureStarted();
void pinchZoomChanged(double);
private:
PointerGestures *m_pointerGestures;
PinchGesture *m_pinchGesture;
double m_startZoom;
double m_zoomModifier;
};
} // namespace