464 lines
12 KiB
C++
464 lines
12 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "WorldList.h"
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#include "Application.h"
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#include <FileSystem.h>
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#include <Qt>
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#include <QMimeData>
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#include <QUrl>
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#include <QUuid>
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#include <QString>
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#include <QFileSystemWatcher>
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#include <QDebug>
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WorldList::WorldList(const QString &dir, std::shared_ptr<const BaseInstance> instance)
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: QAbstractListModel(), m_instance(instance), m_dir(dir)
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{
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FS::ensureFolderPathExists(m_dir.absolutePath());
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m_dir.setFilter(QDir::Readable | QDir::NoDotAndDotDot | QDir::Files | QDir::Dirs);
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m_dir.setSorting(QDir::Name | QDir::IgnoreCase | QDir::LocaleAware);
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m_watcher = new QFileSystemWatcher(this);
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is_watching = false;
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connect(m_watcher, SIGNAL(directoryChanged(QString)), this,
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SLOT(directoryChanged(QString)));
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}
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void WorldList::startWatching()
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{
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if(is_watching)
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{
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return;
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}
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update();
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is_watching = m_watcher->addPath(m_dir.absolutePath());
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if (is_watching)
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{
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qDebug() << "Started watching " << m_dir.absolutePath();
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}
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else
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{
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qDebug() << "Failed to start watching " << m_dir.absolutePath();
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}
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}
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void WorldList::stopWatching()
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{
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if(!is_watching)
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{
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return;
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}
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is_watching = !m_watcher->removePath(m_dir.absolutePath());
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if (!is_watching)
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{
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qDebug() << "Stopped watching " << m_dir.absolutePath();
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}
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else
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{
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qDebug() << "Failed to stop watching " << m_dir.absolutePath();
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}
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}
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bool WorldList::update()
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{
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if (!isValid())
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return false;
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QList<World> newWorlds;
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m_dir.refresh();
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auto folderContents = m_dir.entryInfoList();
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// if there are any untracked files...
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for (QFileInfo entry : folderContents)
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{
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if(!entry.isDir())
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continue;
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World w(entry);
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if(w.isValid())
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{
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newWorlds.append(w);
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}
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}
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beginResetModel();
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worlds.swap(newWorlds);
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endResetModel();
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return true;
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}
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void WorldList::directoryChanged(QString path)
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{
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update();
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}
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bool WorldList::isValid()
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{
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return m_dir.exists() && m_dir.isReadable();
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}
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QString WorldList::instDirPath() const {
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return QFileInfo(m_instance->instanceRoot()).absoluteFilePath();
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}
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bool WorldList::deleteWorld(int index)
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{
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if (index >= worlds.size() || index < 0)
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return false;
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World &m = worlds[index];
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if (m.destroy())
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{
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beginRemoveRows(QModelIndex(), index, index);
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worlds.removeAt(index);
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endRemoveRows();
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emit changed();
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return true;
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}
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return false;
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}
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bool WorldList::deleteWorlds(int first, int last)
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{
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for (int i = first; i <= last; i++)
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{
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World &m = worlds[i];
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m.destroy();
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}
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beginRemoveRows(QModelIndex(), first, last);
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worlds.erase(worlds.begin() + first, worlds.begin() + last + 1);
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endRemoveRows();
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emit changed();
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return true;
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}
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bool WorldList::resetIcon(int row)
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{
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if (row >= worlds.size() || row < 0)
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return false;
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World &m = worlds[row];
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if(m.resetIcon()) {
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emit dataChanged(index(row), index(row), {WorldList::IconFileRole});
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return true;
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}
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return false;
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}
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int WorldList::columnCount(const QModelIndex &parent) const
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{
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return parent.isValid()? 0 : 5;
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}
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QVariant WorldList::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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int row = index.row();
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int column = index.column();
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if (row < 0 || row >= worlds.size())
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return QVariant();
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QLocale locale;
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auto & world = worlds[row];
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switch (role)
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{
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case Qt::DisplayRole:
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switch (column)
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{
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case NameColumn:
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return world.name();
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case GameModeColumn:
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return world.gameType().toTranslatedString();
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case LastPlayedColumn:
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return world.lastPlayed();
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case SizeColumn:
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return locale.formattedDataSize(world.bytes());
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case InfoColumn:
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if (world.isSymLinkUnder(instDirPath())) {
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return tr("This world is symbolically linked from elsewhere.");
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}
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if (world.isMoreThanOneHardLink()) {
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return tr("\nThis world is hard linked elsewhere.");
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}
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return "";
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default:
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return QVariant();
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}
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case Qt::UserRole:
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switch (column)
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{
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case SizeColumn:
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return QVariant::fromValue<qlonglong>(world.bytes());
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default:
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return data(index, Qt::DisplayRole);
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}
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case Qt::ToolTipRole:
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{
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if (column == InfoColumn) {
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if (world.isSymLinkUnder(instDirPath())) {
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return tr("Warning: This world is symbolically linked from elsewhere. Editing it will also change the original."
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"\nCanonical Path: %1").arg(world.canonicalFilePath());
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}
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if (world.isMoreThanOneHardLink()) {
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return tr("Warning: This world is hard linked elsewhere. Editing it will also change the original.");
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}
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}
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return world.folderName();
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}
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case ObjectRole:
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{
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return QVariant::fromValue<void *>((void *)&world);
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}
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case FolderRole:
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{
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return QDir::toNativeSeparators(dir().absoluteFilePath(world.folderName()));
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}
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case SeedRole:
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{
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return QVariant::fromValue<qlonglong>(world.seed());
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}
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case NameRole:
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{
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return world.name();
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}
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case LastPlayedRole:
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{
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return world.lastPlayed();
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}
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case SizeRole:
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{
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return QVariant::fromValue<qlonglong>(world.bytes());
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}
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case IconFileRole:
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{
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return world.iconFile();
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}
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default:
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return QVariant();
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}
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}
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QVariant WorldList::headerData(int section, Qt::Orientation orientation, int role) const
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{
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switch (role)
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{
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case Qt::DisplayRole:
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switch (section)
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{
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case NameColumn:
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return tr("Name");
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case GameModeColumn:
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return tr("Game Mode");
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case LastPlayedColumn:
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return tr("Last Played");
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case SizeColumn:
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//: World size on disk
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return tr("Size");
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case InfoColumn:
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//: special warnings?
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return tr("Info");
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default:
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return QVariant();
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}
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case Qt::ToolTipRole:
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switch (section)
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{
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case NameColumn:
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return tr("The name of the world.");
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case GameModeColumn:
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return tr("Game mode of the world.");
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case LastPlayedColumn:
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return tr("Date and time the world was last played.");
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case SizeColumn:
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return tr("Size of the world on disk.");
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case InfoColumn:
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return tr("Information and warnings about the world.");
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default:
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return QVariant();
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}
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default:
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return QVariant();
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}
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return QVariant();
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}
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QStringList WorldList::mimeTypes() const
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{
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QStringList types;
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types << "text/uri-list";
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return types;
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}
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class WorldMimeData : public QMimeData
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{
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Q_OBJECT
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public:
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WorldMimeData(QList<World> worlds)
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{
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m_worlds = worlds;
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}
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QStringList formats() const
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{
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return QMimeData::formats() << "text/uri-list";
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}
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protected:
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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QVariant retrieveData(const QString &mimetype, QMetaType type) const
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#else
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QVariant retrieveData(const QString &mimetype, QVariant::Type type) const
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#endif
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{
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QList<QUrl> urls;
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for(auto &world: m_worlds)
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{
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if(!world.isValid() || !world.isOnFS())
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continue;
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QString worldPath = world.container().absoluteFilePath();
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qDebug() << worldPath;
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urls.append(QUrl::fromLocalFile(worldPath));
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}
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const_cast<WorldMimeData*>(this)->setUrls(urls);
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return QMimeData::retrieveData(mimetype, type);
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}
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private:
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QList<World> m_worlds;
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};
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QMimeData *WorldList::mimeData(const QModelIndexList &indexes) const
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{
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if (indexes.size() == 0)
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return new QMimeData();
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QList<World> worlds;
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for(auto idx : indexes)
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{
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if(idx.column() != 0)
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continue;
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int row = idx.row();
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if (row < 0 || row >= this->worlds.size())
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continue;
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worlds.append(this->worlds[row]);
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}
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if(!worlds.size())
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{
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return new QMimeData();
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}
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return new WorldMimeData(worlds);
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}
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Qt::ItemFlags WorldList::flags(const QModelIndex &index) const
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{
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Qt::ItemFlags defaultFlags = QAbstractListModel::flags(index);
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if (index.isValid())
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return Qt::ItemIsUserCheckable | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled |
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defaultFlags;
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else
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return Qt::ItemIsDropEnabled | defaultFlags;
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}
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Qt::DropActions WorldList::supportedDragActions() const
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{
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// move to other mod lists or VOID
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return Qt::MoveAction;
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}
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Qt::DropActions WorldList::supportedDropActions() const
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{
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// copy from outside, move from within and other mod lists
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return Qt::CopyAction | Qt::MoveAction;
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}
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void WorldList::installWorld(QFileInfo filename)
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{
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qDebug() << "installing: " << filename.absoluteFilePath();
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World w(filename);
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if(!w.isValid())
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{
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return;
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}
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w.install(m_dir.absolutePath());
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}
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bool WorldList::dropMimeData(const QMimeData *data, Qt::DropAction action, [[maybe_unused]] int row, [[maybe_unused]] int column,
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[[maybe_unused]] const QModelIndex &parent)
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{
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if (action == Qt::IgnoreAction)
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return true;
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// check if the action is supported
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if (!data || !(action & supportedDropActions()))
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return false;
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// files dropped from outside?
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if (data->hasUrls())
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{
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bool was_watching = is_watching;
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if (was_watching)
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stopWatching();
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auto urls = data->urls();
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for (auto url : urls)
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{
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// only local files may be dropped...
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if (!url.isLocalFile())
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continue;
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QString filename = url.toLocalFile();
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QFileInfo worldInfo(filename);
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if(!m_dir.entryInfoList().contains(worldInfo))
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{
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installWorld(worldInfo);
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}
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}
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if (was_watching)
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startWatching();
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return true;
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}
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return false;
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}
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#include "WorldList.moc"
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