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58 lines
1.5 KiB
58 lines
1.5 KiB
3 years ago
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/*
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* Copyright (C) 2016 P.L. Lucas
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __Backlight_H__
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#define __Backlight_H__
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#include <QObject>
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#include "lxqtglobals.h"
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namespace LXQt
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{
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class VirtualBackEnd;
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class LXQT_API Backlight : public QObject
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{
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Q_OBJECT
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public:
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Backlight(QObject *parent = nullptr);
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~Backlight() override;
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bool isBacklightAvailable();
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bool isBacklightOff();
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/**Sets backlight level.
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* @param value backlight level. Negative values turn off backlight.
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*/
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void setBacklight(int value);
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int getBacklight();
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int getMaxBacklight();
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Q_SIGNALS:
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void backlightChanged(int value);
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private Q_SLOTS:
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void backlightChangedSlot(int value);
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private:
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VirtualBackEnd *m_backend;
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};
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} // namespace LXQt
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#endif // __Backlight_H__
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