CPULoadWidget.h

Go to the documentation of this file.

/*
 * CPULoadWidget.h - widget for displaying CPU-load (partly based on
 *                    Hydrogen's CPU-load-widget)
 *
 * Copyright (c) 2005-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_GUI_CPU_LOAD_WIDGET_H
#define LMMS_GUI_CPU_LOAD_WIDGET_H
 
#include <algorithm>
#include <QTimer>
#include <QPixmap>
#include <QWidget>
 
#include "LmmsTypes.h"
 
 
namespace lmms::gui
{
 
 
class CPULoadWidget : public QWidget
{
        Q_OBJECT
        Q_PROPERTY(int stepSize MEMBER m_stepSize)
public:
        CPULoadWidget( QWidget * _parent );
        ~CPULoadWidget() override = default;
 
 
protected:
        void paintEvent( QPaintEvent * _ev ) override;
 
 
protected slots:
        void updateCpuLoad();
 
 
private:
        int stepSize() const { return std::max(1, m_stepSize); }
 
        int m_currentLoad;
 
        QPixmap m_temp;
        QPixmap m_background;
        QPixmap m_leds;
 
        bool m_changed;
 
        QTimer m_updateTimer;
 
        int m_stepSize = 1;
 
} ;
 
 
} // namespace lmms::gui
 
#endif // LMMS_GUI_CPU_LOAD_WIDGET_H