QortalOS Brooklyn for Raspberry Pi 4
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/*
* Copyright (C) 2016 P.L. Lucas
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __LinuxBackend_H__
#define __LinuxBackend_H__
#include "../virtual_backend.h"
#include <QFileSystemWatcher>
#include <QTextStream>
namespace LXQt
{
class LinuxBackend:public VirtualBackEnd
{
Q_OBJECT
public:
LinuxBackend(QObject *parent = nullptr);
~LinuxBackend() override;
bool isBacklightAvailable() override;
bool isBacklightOff() override;
void setBacklight(int value) override;
int getBacklight() override;
int getMaxBacklight() override;
private Q_SLOTS:
void closeBacklightStream();
void fileSystemChanged(const QString & path);
private:
int maxBacklight;
int actualBacklight;
QFileSystemWatcher *fileSystemWatcher;
FILE *backlightStream;
};
} // namespace LXQt
#endif // __LinuxBackend_H__