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lxqt-config-packaging/lxqt-config-brightness/xrandrbrightness.h

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/* This file is part of the KDE project
* Copyright (C) 2010 Lukas Tinkl <ltinkl@redhat.com>
* Copyright (C) 2015 Kai Uwe Broulik <kde@privat.broulik.de>
*
* 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 XRANDRBRIGHTNESS_H
#define XRANDRBRIGHTNESS_H
#include <xcb/xcb.h>
#include <xcb/randr.h>
#include <QScopedPointer>
#include <QList>
#include "monitorinfo.h"
template <typename T> using ScopedCPointer = QScopedPointer<T, QScopedPointerPodDeleter>;
class XRandrBrightness
{
public:
XRandrBrightness();
~XRandrBrightness() = default;
QList<MonitorInfo> getMonitorsInfo();
void setMonitorsSettings(QList<MonitorInfo> monitors);
private:
bool backlight_get_with_range(xcb_randr_output_t output, long &value, long &min, long &max) const;
long backlight_get(xcb_randr_output_t output) const;
void backlight_set(xcb_randr_output_t output, long value);
float gamma_brightness_get(xcb_randr_output_t output);
void gamma_brightness_set(xcb_randr_output_t output, float percent);
xcb_atom_t m_backlight = XCB_ATOM_NONE;
ScopedCPointer<xcb_randr_get_screen_resources_current_reply_t> m_resources;
};
#endif // XRANDRBRIGHTNESS_H