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63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/* Copyright (C) 2013
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKMISC_DIGESTSIGNAL_H
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#define BLACKMISC_DIGESTSIGNAL_H
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#include "blackmiscexport.h"
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#include <QTimer>
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#include <QObject>
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namespace BlackMisc
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{
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//! Receive 1..n signal, collect them over time, and resend afer n milliseconds
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class BLACKMISC_EXPORT CDigestSignal : public QObject
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{
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Q_OBJECT
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public:
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//! Constructor
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template <class T, class F1, class F2>
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CDigestSignal(T *sender, F1 inputSignal, F2 digestSignal, int maxDelayMs = 500, int maxInputsPerDigest = 3)
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: m_maxInputsPerDigest(maxInputsPerDigest)
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{
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QObject::connect(sender, inputSignal, this, &CDigestSignal::ps_inputSignal);
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QObject::connect(this, &CDigestSignal::digestSignal, sender, digestSignal);
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QObject::connect(&m_timer, &QTimer::timeout, this, &CDigestSignal::ps_timeout);
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m_timer.setSingleShot(true);
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m_timer.setInterval(maxDelayMs);
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}
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// Destructor
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virtual ~CDigestSignal() {}
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signals:
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//! Send digest signal
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void digestSignal();
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private slots:
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//! Received input signal
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void ps_inputSignal();
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//! Timer timed out
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void ps_timeout();
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private:
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QTimer m_timer;
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const int m_maxInputsPerDigest = 3;
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int m_inputsCount = 0;
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};
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}
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#endif
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