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// Copyright 2015 - 2025, GIBIS-UNIFESP and the wiRedPanda contributors
// SPDX-License-Identifier: GPL-3.0-or-later
#include "clock.h"
#include "globalproperties.h"
#include "qneport.h"
#include <chrono>
using namespace std::chrono_literals;
Clock::Clock(QGraphicsItem *parent)
: GraphicElementInput(ElementType::Clock, ElementGroup::Input, ":/input/clock1.svg", tr("CLOCK SIGNAL"), tr("Clock"), 0, 0, 1, 1, parent)
{
if (GlobalProperties::skipInit) {
return;
}
m_defaultSkins = QStringList{
":/input/clock0.svg",
":/input/clock1.svg"
};
m_alternativeSkins = m_defaultSkins;
setPixmap(0);
m_locked = false;
setCanChangeSkin(true);
setHasFrequency(true);
setHasLabel(true);
setRotatable(false);
setHasDelay(true);
Clock::setFrequency(1.0);
Clock::setDelay(0.0);
Clock::setOff();
}
void Clock::updateClock(const std::chrono::steady_clock::time_point &globalTime)
{
if (m_locked) {
return;
}
const auto elapsed = std::chrono::duration_cast<std::chrono::microseconds>(globalTime - m_startTime);
if (elapsed > m_interval) {
m_startTime += m_interval;
setOn(!m_isOn);
}
}
bool Clock::isOn(const int port) const
{
Q_UNUSED(port)
return m_isOn;
}
void Clock::setOff()
{
Clock::setOn(false);
}
void Clock::setOn()
{
Clock::setOn(true);
}
void Clock::setOn(const bool value, const int port)
{
Q_UNUSED(port)
m_isOn = value;
setPixmap(static_cast<int>(m_isOn));
outputPort()->setStatus(static_cast<Status>(m_isOn));
}
void Clock::save(QDataStream &stream) const
{
GraphicElement::save(stream);
QMap<QString, QVariant> map;
map.insert("frequency", frequency());
map.insert("delay", delay());
map.insert("locked", m_locked);
stream << map;
}
void Clock::load(QDataStream &stream, QMap<quint64, QNEPort *> &portMap, const QVersionNumber version)
{
GraphicElement::load(stream, portMap, version);
if (version < VERSION("1.1")) {
return;
}
if (version < VERSION("4.1")) {
float freq; stream >> freq;
setFrequency(freq);
if (version >= VERSION("3.1")) {
stream >> m_locked;
}
}
if (version >= VERSION("4.1")) {
QMap<QString, QVariant> map; stream >> map;
if (map.contains("frequency")) {
setFrequency(map.value("frequency").toFloat());
}
if (map.contains("delay")) {
setDelay(map.value("delay").toFloat());
}
if (map.contains("locked")) {
m_locked = map.value("locked").toBool();
}
}
}
float Clock::frequency() const
{
return static_cast<float>(m_frequency);
}
void Clock::setFrequency(const float freq)
{
if (qFuzzyIsNull(freq)) {
return;
}
std::chrono::microseconds auxInterval = std::chrono::duration_cast<std::chrono::microseconds>(1s / (2 * freq));
if (auxInterval.count() <= 0) {
return;
}
m_interval = auxInterval;
m_frequency = static_cast<double>(freq);
}
float Clock::delay() const
{
return static_cast<float>(m_delay);
}
void Clock::setDelay(const float delay)
{
m_delay = static_cast<double>(delay);
}
void Clock::resetClock(const std::chrono::steady_clock::time_point &globalTime)
{
setOn();
auto delay_ms = static_cast<uint>(m_delay * 1000);
m_startTime = globalTime;
m_startTime -= std::chrono::milliseconds(delay_ms);
}
QString Clock::genericProperties()
{
return QString::number(frequency()) + " Hz";
}
void Clock::setSkin(const bool defaultSkin, const QString &fileName)
{
if (defaultSkin) {
m_alternativeSkins = m_defaultSkins;
} else {
m_alternativeSkins[static_cast<int>(m_isOn)] = fileName;
}
m_usingDefaultSkin = defaultSkin;
setPixmap(static_cast<int>(m_isOn));
}
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