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/***************************************************************************
* Copyright (C) 2014 by Nikita Skovoroda <chalkerx@gmail.com> *
* *
* 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 . *
***************************************************************************/
#include "powerdevilkeyboardbrightnesslogic.h"
#include "powerdevil_debug.h"
#include <QDebug>
namespace PowerDevil
{
int KeyboardBrightnessLogic::calculateSteps(int maxValue) const
{
// We assume that a generally good number of steps for keyboard brightness is about 5.
if (maxValue <= 7) {
// Too few steps, return the number of actual steps.
return maxValue;
}
if (maxValue % 5 == 0 || maxValue >= 80) {
// When there are more than 80 actual steps, 20%, 40%, 60%, and 80% are always displayed nicely.
return 5;
}
if (maxValue % 4 == 0)
return 4;
if (maxValue % 6 == 0)
return 6;
if (maxValue % 3 == 0)
return 3;
// 29 different maxValue values between 11 and 79 are left at this point.
//qCDebug(POWERDEVIL) << "maxValue" << maxValue;
// Give up and return 5, there is nothing much we can do here.
return 5;
}
}
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