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latte-dock/app/plasma/extended/screenpool.cpp
2019-04-05 17:17:10 +03:00

138 lines
3.6 KiB
C++

/*
* Copyright 2018 Michail Vourlakos <mvourlakos@gmail.com>
*
* This file is part of Latte-Dock
*
* Latte-Dock 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.
*
* Latte-Dock 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 "screenpool.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)
{
KSharedConfigPtr plasmaPtr = KSharedConfig::openConfig(PLASMARC);
m_screensGroup = KConfigGroup(plasmaPtr, "ScreenConnectors");
load();
QString plasmaSettingsFile = QDir::homePath() + "/.config/" + 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();
bool updated{false};
for (const auto &screenId : m_screensGroup.keyList()) {
QString screenName = m_screensGroup.readEntry(screenId, QString());
if (screenId != 0) {
int scrId = screenId.toInt();
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 qGuiApp->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);
}
}
}