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tdelibs/tdecore/tdehw/tdebacklightdevice.h

98 lines
2.6 KiB

/* This file is part of the TDE libraries
Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
(C) 2013 Golubev Alexander <fatzer2@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _TDEBACKLIGHTDEVICE_H
#define _TDEBACKLIGHTDEVICE_H
#include "tdegenericdevice.h"
#include "tdehwcommontypes.h"
class TDECORE_EXPORT TDEBacklightDevice : public TDEGenericDevice
{
public:
/**
* Constructor.
* @param Device type
*/
TDEBacklightDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);
/**
* Destructor.
*/
~TDEBacklightDevice();
/**
* @return a TDEDisplayPowerLevel::TDEDisplayPowerLevel with the current power level
*/
TDEDisplayPowerLevel::TDEDisplayPowerLevel powerLevel();
/**
* @return an integer with the number of discrete control steps available
*/
int brightnessSteps();
/**
* @return a double with the current brightness percentage
*/
double brightnessPercent();
/**
* @return TRUE if permissions allow brightness can be set, FALSE if not
*/
bool canSetBrightness();
/**
* @return an int with the current raw brightness
*/
int rawBrightness();
/**
* @param br an integer with the new raw brightness value
*/
void setRawBrightness(int br);
protected:
/**
* @param pl a TDEDisplayPowerLevel::TDEDisplayPowerLevel with the current power level
* @internal
*/
void internalSetPowerLevel(TDEDisplayPowerLevel::TDEDisplayPowerLevel pl);
/**
* @param br an integer with the maximum raw brightness value
* @internal
*/
void internalSetMaximumRawBrightness(int br);
/**
* @param br an integer with the current raw brightness value
* @internal
*/
void internalSetCurrentRawBrightness(int br);
private:
TDEDisplayPowerLevel::TDEDisplayPowerLevel m_powerLevel;
int m_currentBrightness;
int m_maximumBrightness;
friend class TDEHardwareDevices;
};
#endif // _TDEBACKLIGHTDEVICE_H