shakedetector.h

Go to the documentation of this file.

/*
    SPDX-FileCopyrightText: 2023 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include <QMouseEvent>
 
#include <deque>
#include <optional>
 
class ShakeDetector
{
public:
    ShakeDetector();
 
    std::optional<qreal> update(QMouseEvent *event);
 
    quint64 interval() const;
    void setInterval(quint64 interval);
 
    qreal sensitivity() const;
    void setSensitivity(qreal sensitivity);
 
private:
    struct HistoryItem
    {
        QPointF position;
        quint64 timestamp;
    };
 
    std::deque<HistoryItem> m_history;
    quint64 m_interval = 1000;
    qreal m_sensitivity = 4;
};