1b2c7b248b
In C++20, there will be emit() class member, which can conflict with the emit keyword. Given that, there are plans to enable QT_NO_KEYWORDS by default in the future. See also https://lists.qt-project.org/pipermail/development/2020-February/038812.html
36 lines
606 B
C++
36 lines
606 B
C++
/*
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "kwinglobals.h"
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#include <QObject>
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#include <chrono>
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namespace KWin
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{
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/**
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* The VsyncMonitor class provides a convenient way to monitor vblank events.
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*/
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class KWIN_EXPORT VsyncMonitor : public QObject
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{
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Q_OBJECT
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public:
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explicit VsyncMonitor(QObject *parent = nullptr);
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public Q_SLOTS:
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virtual void arm() = 0;
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Q_SIGNALS:
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void errorOccurred();
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void vblankOccurred(std::chrono::nanoseconds timestamp);
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};
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} // namespace KWin
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