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latte-dock/app/plasma/extended/screenpool.cpp
Michail Vourlakos b1d57051c2 wayland:support Plasma primaryscreen protocol
--use ScreenPool as reference for primary screen.
The new code uses PrimaryOutputWatcher class from
Plasma Shell in order to keep track of primary
screen at all cases.

BUG:448418
FIXED-IN:0.11.0
2022-05-09 20:35:45 +03:00

131 lines
3.2 KiB
C++

/*
SPDX-FileCopyrightText: 2018 Michail Vourlakos <mvourlakos@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "screenpool.h"
// local
#include "../../primaryoutputwatcher.h"
#include "../../tools/commontools.h"
// Qt
#include <QDebug>
#include <QDir>
#include <QGuiApplication>
#include <QScreen>
// KDE
#include <KConfigGroup>
#include <KDirWatch>
#include <KSharedConfig>
#define PLASMARC "plasmashellrc"
namespace Latte {
namespace PlasmaExtended {
ScreenPool::ScreenPool(QObject *parent)
: QObject(parent),
m_primaryWatcher(new PrimaryOutputWatcher(this))
{
m_plasmarcConfig = KSharedConfig::openConfig(PLASMARC);
m_screensGroup = KConfigGroup(m_plasmarcConfig, "ScreenConnectors");
load();
QString plasmaSettingsFile = Latte::configPath() + "/" + PLASMARC;
KDirWatch::self()->addFile(plasmaSettingsFile);
connect(KDirWatch::self(), &KDirWatch::dirty, this, [ &, plasmaSettingsFile](const QString & path) {
if (path == plasmaSettingsFile) {
load();
}
});
connect(KDirWatch::self(), &KDirWatch::created, this, [ &, plasmaSettingsFile](const QString & path) {
if (path == plasmaSettingsFile) {
load();
}
});
}
ScreenPool::~ScreenPool()
{
}
void ScreenPool::load()
{
QMap<int, QString> connectorForId = m_connectorForId;
QHash<QString, int> idForConnector = m_idForConnector;
m_connectorForId.clear();
m_idForConnector.clear();
m_plasmarcConfig->reparseConfiguration();
bool updated{false};
for (const auto &screenId : m_screensGroup.keyList()) {
QString screenName = m_screensGroup.readEntry(screenId, QString());
int scrId = screenId.toInt();
if (scrId != 0) {
insertScreenMapping(scrId, screenName);
if (!connectorForId.contains(scrId) || connectorForId[scrId] != m_connectorForId[scrId]) {
updated = true;
}
}
}
//! If there are changes then print the new plasma screen ids and send a relevant signal
if (connectorForId.count() != m_connectorForId.count()) {
updated = true;
}
if (updated) {
qDebug() << "---------------- Plasma Screen Ids ------------------";
for (const auto &id : m_connectorForId.keys()) {
qDebug() << id << " __ " << m_connectorForId[id];
}
qDebug() << "---------------- --------------- ------------------";
emit idsChanged();
}
}
void ScreenPool::insertScreenMapping(int id, const QString &connector)
{
if (id==0 || connector.startsWith(":")) {
return;
}
m_connectorForId[id] = connector;
m_idForConnector[connector] = id;
}
int ScreenPool::id(const QString &connector) const
{
if (!m_idForConnector.contains(connector)) {
//! return 0 for primary screen, -1 for not found
return m_primaryWatcher->primaryScreen()->name() == connector ? 0 : -1;
}
return m_idForConnector.value(connector);
}
QString ScreenPool::connector(int id) const
{
if (!m_connectorForId.contains(id)) {
return id == 0 ? qGuiApp->primaryScreen()->name() : QString();
}
return m_connectorForId.value(id);
}
}
}