File indexing completed on 2024-05-12 15:58:45

 /*
  *  SPDX-FileCopyrightText: 2016 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "kis_timed_signal_threshold.h"
 #include <QElapsedTimer>
 #include "kis_debug.h"
 
 
 struct KisTimedSignalThreshold::Private
 {
     Private(int _delay, int _cancelDelay)
         : delay(_delay),
           cancelDelay(0),
           enabled(true)
     {
         setCancelDelay(_cancelDelay);
     }
 
     void setCancelDelay(int value) {
         cancelDelay = value >= 0 ? value : 2 * delay;
     }
 
     QElapsedTimer timer;
     int delay;
     int cancelDelay;
     bool enabled;
 };
 
 
 KisTimedSignalThreshold::KisTimedSignalThreshold(int delay, int cancelDelay, QObject *parent)
     : QObject(parent),
       m_d(new Private(delay, cancelDelay))
 {
 }
 
 KisTimedSignalThreshold::~KisTimedSignalThreshold()
 {
 }
 
 void KisTimedSignalThreshold::forceDone()
 {
     stop();
     emit timeout();
 }
 
 void KisTimedSignalThreshold::start()
 {
     if (!m_d->enabled) return;
 
     if (!m_d->timer.isValid()) {
         m_d->timer.start();
     } else if (m_d->timer.elapsed() > m_d->cancelDelay) {
         stop();
     } else if (m_d->timer.elapsed() > m_d->delay) {
         forceDone();
     }
 }
 
 void KisTimedSignalThreshold::stop()
 {
     m_d->timer.invalidate();
 }
 
 void KisTimedSignalThreshold::setEnabled(bool value)
 {
     m_d->enabled = value;
     if (!m_d->enabled) {
         stop();
     }
 }
 
 void KisTimedSignalThreshold::setDelayThreshold(int delay, int cancelDelay)
 {
     m_d->delay = delay;
     m_d->setCancelDelay(cancelDelay);
 }