98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
/*
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* Copyright 2019 Kai Uwe Broulik <kde@privat.broulik.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) version 3, or any
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* later version accepted by the membership of KDE e.V. (or its
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* successor approved by the membership of KDE e.V.), which shall
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* act as a proxy defined in Section 6 of version 3 of the license.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "utils_p.h"
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#include <QAbstractItemModel>
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#include <QAbstractProxyModel>
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#include <QCoreApplication>
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#include <QDBusConnection>
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#include <QDBusConnectionInterface>
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#include <QFile>
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#include <QTextStream>
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#include <KConcatenateRowsProxyModel>
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#include <KProcessList>
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using namespace NotificationManager;
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QString Utils::processNameFromPid(uint pid)
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{
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auto processInfo = KProcessList::processInfo(pid);
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if (!processInfo.isValid()) {
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return QString();
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}
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return processInfo.name();
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}
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QString Utils::desktopEntryFromPid(uint pid)
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{
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QFile environFile(QStringLiteral("/proc/%1/environ").arg(QString::number(pid)));
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if (!environFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
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return QString();
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}
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const QByteArray bamfDesktopFileHint = QByteArrayLiteral("BAMF_DESKTOP_FILE_HINT");
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const auto lines = environFile.readAll().split('\0');
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for (const QByteArray &line : lines) {
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const int equalsIdx = line.indexOf('=');
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if (equalsIdx <= 0) {
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continue;
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}
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const QByteArray key = line.left(equalsIdx);
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if (key == bamfDesktopFileHint) {
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const QByteArray value = line.mid(equalsIdx + 1);
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return value;
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}
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}
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return QString();
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}
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QModelIndex Utils::mapToModel(const QModelIndex &idx, const QAbstractItemModel *sourceModel)
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{
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// KModelIndexProxyMapper can only map different indices to a single source
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// but we have the other way round, a single index that splits into different source models
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QModelIndex resolvedIdx = idx;
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while (resolvedIdx.isValid() && resolvedIdx.model() != sourceModel) {
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if (auto *proxyModel = qobject_cast<const QAbstractProxyModel *>(resolvedIdx.model())) {
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resolvedIdx = proxyModel->mapToSource(resolvedIdx);
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// KConcatenateRowsProxyModel isn't a "real" proxy model, so we need to special case for it :(
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} else if (auto *concatenateModel = qobject_cast<const KConcatenateRowsProxyModel *>(resolvedIdx.model())) {
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resolvedIdx = concatenateModel->mapToSource(resolvedIdx);
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} else {
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if (resolvedIdx.model() != sourceModel) {
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resolvedIdx = QModelIndex(); // give up
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}
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}
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}
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return resolvedIdx;
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}
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bool Utils::isDBusMaster()
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{
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return qApp->property("_plasma_dbus_master").toBool();
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}
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