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/*
SPDX-FileCopyrightText: 2019 Kai Uwe Broulik <kde@privat.broulik.de>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "mirroredscreenstracker_p.h"
#include <QRect>
#include <KScreen/ConfigMonitor>
#include <KScreen/GetConfigOperation>
#include <KScreen/Output>
#include "debug.h"
using namespace NotificationManager;
MirroredScreensTracker::MirroredScreensTracker()
: QObject(nullptr)
{
connect(new KScreen::GetConfigOperation(KScreen::GetConfigOperation::NoEDID),
&KScreen::ConfigOperation::finished,
this,
[this](KScreen::ConfigOperation *op) {
m_screenConfiguration = qobject_cast<KScreen::GetConfigOperation *>(op)->config();
checkScreensMirrored();
KScreen::ConfigMonitor::instance()->addConfig(m_screenConfiguration);
connect(KScreen::ConfigMonitor::instance(), &KScreen::ConfigMonitor::configurationChanged, this, &MirroredScreensTracker::checkScreensMirrored);
});
}
MirroredScreensTracker::~MirroredScreensTracker() = default;
MirroredScreensTracker::Ptr MirroredScreensTracker::createTracker()
{
static QWeakPointer<MirroredScreensTracker> s_instance;
if (!s_instance) {
QSharedPointer<MirroredScreensTracker> ptr(new MirroredScreensTracker());
s_instance = ptr.toWeakRef();
return ptr;
}
return s_instance.toStrongRef();
}
bool MirroredScreensTracker::screensMirrored() const
{
return m_screensMirrored;
}
void MirroredScreensTracker::setScreensMirrored(bool mirrored)
{
if (m_screensMirrored != mirrored) {
m_screensMirrored = mirrored;
Q_EMIT screensMirroredChanged(mirrored);
}
}
void MirroredScreensTracker::checkScreensMirrored()
{
if (!m_screenConfiguration) {
setScreensMirrored(false);
return;
}
const auto outputs = m_screenConfiguration->outputs();
for (const KScreen::OutputPtr &output : outputs) {
if (!output->isConnected() || !output->isEnabled()) {
continue;
}
for (const KScreen::OutputPtr &checkOutput : outputs) {
if (checkOutput == output || !checkOutput->isConnected() || !checkOutput->isEnabled()) {
continue;
}
if (output->geometry().contains(checkOutput->geometry()) || checkOutput->geometry().contains(output->geometry())) {
qCDebug(NOTIFICATIONMANAGER) << "Screen geometry" << checkOutput->geometry() << "and" << output->geometry()
<< "are completely overlapping - considering them to be mirrored";
setScreensMirrored(true);
return;
}
}
}
setScreensMirrored(false);
}
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