pollymc/application/KonamiCode.cpp

#include "KonamiCode.h"

#include <array>
#include <QDebug>

namespace {
const std::array<Qt::Key, 10> konamiCode =
{
	{
		Qt::Key_Up, Qt::Key_Up,
		Qt::Key_Down, Qt::Key_Down,
		Qt::Key_Left, Qt::Key_Right,
		Qt::Key_Left, Qt::Key_Right,
		Qt::Key_B, Qt::Key_A
	}
};
}

KonamiCode::KonamiCode(QObject* parent) : QObject(parent)
{
}


void KonamiCode::input(QEvent* event)
{
	if( event->type() == QEvent::KeyPress )
	{
		QKeyEvent *keyEvent = static_cast<QKeyEvent*>( event );
		auto key = Qt::Key(keyEvent->key());
		if(key == konamiCode[m_progress])
		{
			m_progress ++;
		}
		else
		{
			m_progress = 0;
		}
		if(m_progress == konamiCode.size())
		{
			m_progress = 0;
			emit triggered();
		}
	}
}