LED.h

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/*
 * Hydrogen
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY, without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
 
 
#ifndef LED_H
#define LED_H
 
#include <chrono>
 
#include <core/Object.h>
#include <core/Preferences/Preferences.h>
 
#include <QtGui>
#include <QtWidgets>
#include <QSvgRenderer>
 
#include "../EventListener.h"

class LED : public QWidget, public H2Core::Object<LED>
{
    H2_OBJECT(LED)
        Q_OBJECT
 
public:
        LED( QWidget *pParent, QSize size );
        virtual ~LED();
        
        LED(const LED&) = delete;
        LED& operator=( const LED& rhs ) = delete;
 
        bool getActivated() const;
        void setActivated( bool bActivated );
 
protected:
        QSvgRenderer* m_background;
        
        bool m_bActivated;
        virtual void paintEvent( QPaintEvent* ev) override;
 
};
 
inline bool LED::getActivated() const {
        return m_bActivated;
}

class MetronomeLED : public LED, public EventListener, public H2Core::Object<MetronomeLED>
{
    H2_OBJECT(MetronomeLED)
        Q_OBJECT
 
public:
        MetronomeLED( QWidget *pParent, QSize size );
        virtual ~MetronomeLED();
 
public slots:
        virtual void metronomeEvent( int nValue ) override;
                                                   
private slots:
        void turnOff();
        
private:
        bool m_bFirstBar;
        QTimer* m_pTimer;
        std::chrono::milliseconds m_activityTimeout;
        
        virtual void paintEvent( QPaintEvent* ev) override; 
};
 
#endif