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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2017 Martin Flöser <mgraesslin@kde.org>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "orientation_sensor.h"
#include <orientationsensoradaptor.h>
#include <QOrientationSensor>
#include <QOrientationReading>
#include <KConfigGroup>
#include <KStatusNotifierItem>
#include <KLocalizedString>
namespace KWin
{
OrientationSensor::OrientationSensor(QObject *parent)
: QObject(parent)
, m_sensor(new QOrientationSensor(this))
{
connect(m_sensor, &QOrientationSensor::readingChanged, this,
[this] {
auto toOrientation = [] (auto reading) {
switch (reading->orientation()) {
case QOrientationReading::Undefined:
return OrientationSensor::Orientation::Undefined;
case QOrientationReading::TopUp:
return OrientationSensor::Orientation::TopUp;
case QOrientationReading::TopDown:
return OrientationSensor::Orientation::TopDown;
case QOrientationReading::LeftUp:
return OrientationSensor::Orientation::LeftUp;
case QOrientationReading::RightUp:
return OrientationSensor::Orientation::RightUp;
case QOrientationReading::FaceUp:
return OrientationSensor::Orientation::FaceUp;
case QOrientationReading::FaceDown:
return OrientationSensor::Orientation::FaceDown;
default:
Q_UNREACHABLE();
}
};
const auto orientation = toOrientation(m_sensor->reading());
if (m_orientation != orientation) {
m_orientation = orientation;
emit orientationChanged();
}
}
);
connect(m_sensor, &QOrientationSensor::activeChanged, this,
[this] {
if (!m_sni) {
return;
}
if (m_sensor->isActive()) {
m_sni->setToolTipTitle(i18n("Automatic screen rotation is enabled"));
} else {
m_sni->setToolTipTitle(i18n("Automatic screen rotation is disabled"));
}
}
);
}
OrientationSensor::~OrientationSensor() = default;
void OrientationSensor::setEnabled(bool enabled)
{
if (m_enabled == enabled) {
return;
}
m_enabled = enabled;
if (m_enabled) {
loadConfig();
setupStatusNotifier();
m_adaptor = new OrientationSensorAdaptor(this);
} else {
delete m_sni;
m_sni = nullptr;
delete m_adaptor;
m_adaptor = nullptr;
}
startStopSensor();
}
void OrientationSensor::loadConfig()
{
if (!m_config) {
return;
}
m_userEnabled = m_config->group("OrientationSensor").readEntry("Enabled", true);
}
void OrientationSensor::setupStatusNotifier()
{
if (m_sni) {
return;
}
m_sni = new KStatusNotifierItem(QStringLiteral("kwin-automatic-rotation"), this);
m_sni->setStandardActionsEnabled(false);
m_sni->setCategory(KStatusNotifierItem::Hardware);
m_sni->setStatus(KStatusNotifierItem::Passive);
m_sni->setTitle(i18n("Automatic Screen Rotation"));
// TODO: proper icon with state
m_sni->setIconByName(QStringLiteral("preferences-desktop-display"));
// we start disabled, it gets updated when the sensor becomes active
m_sni->setToolTipTitle(i18n("Automatic screen rotation is disabled"));
connect(m_sni, &KStatusNotifierItem::activateRequested, this,
[this] {
m_userEnabled = !m_userEnabled;
startStopSensor();
emit userEnabledChanged(m_userEnabled);
}
);
}
void OrientationSensor::startStopSensor()
{
if (m_enabled && m_userEnabled) {
m_sensor->start();
} else {
m_sensor->stop();
}
}
void OrientationSensor::setUserEnabled(bool enabled)
{
if (m_userEnabled == enabled) {
return;
}
m_userEnabled = enabled;
if (m_config) {
m_config->group("OrientationSensor").writeEntry("Enabled", m_userEnabled);
}
emit userEnabledChanged(m_userEnabled);
}
}
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