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tdebacklightdevice.h

00001 /* This file is part of the TDE libraries
00002    Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
00003              (C) 2013 Golubev Alexander <fatzer2@gmail.com>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License version 2 as published by the Free Software Foundation.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef _TDEBACKLIGHTDEVICE_H
00021 #define _TDEBACKLIGHTDEVICE_H
00022 
00023 #include "tdegenericdevice.h"
00024 #include "tdehwcommontypes.h"
00025 
00026 class TDECORE_EXPORT TDEBacklightDevice : public TDEGenericDevice
00027 {
00028     public:
00033         TDEBacklightDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);
00034         
00038         ~TDEBacklightDevice();
00039 
00043         TDEDisplayPowerLevel::TDEDisplayPowerLevel powerLevel();
00044 
00048         int brightnessSteps();
00049 
00053         double brightnessPercent();
00054 
00058         bool canSetBrightness();
00059 
00063         int rawBrightness();
00064 
00068         void setRawBrightness(int br);
00069 
00070     protected:
00075         void internalSetPowerLevel(TDEDisplayPowerLevel::TDEDisplayPowerLevel pl);
00076 
00081         void internalSetMaximumRawBrightness(int br);
00082 
00087         void internalSetCurrentRawBrightness(int br);
00088 
00089     private:
00090         TDEDisplayPowerLevel::TDEDisplayPowerLevel m_powerLevel;
00091         int m_currentBrightness;
00092         int m_maximumBrightness;
00093 
00094     friend class TDEHardwareDevices;
00095 };
00096 
00097 #endif // _TDEBACKLIGHTDEVICE_H

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