818 lines
20 KiB
C++
818 lines
20 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 Jamie Mansfield <jmansfield@cadixdev.org>
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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 "ServersPage.h"
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#include "ui_ServersPage.h"
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#include <FileSystem.h>
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#include <sstream>
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#include <io/stream_reader.h>
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#include <tag_string.h>
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#include <tag_primitive.h>
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#include <tag_list.h>
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#include <tag_compound.h>
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#include <minecraft/MinecraftInstance.h>
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#include <QFileSystemWatcher>
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#include <QMenu>
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static const int COLUMN_COUNT = 2; // 3 , TBD: latency and other nice things.
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struct Server
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{
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// Types
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enum class AcceptsTextures : int
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{
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ASK = 0,
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ALWAYS = 1,
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NEVER = 2
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};
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// Methods
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Server()
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{
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m_name = QObject::tr("Minecraft Server");
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}
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Server(const QString & name, const QString & address)
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{
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m_name = name;
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m_address = address;
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}
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Server(nbt::tag_compound& server)
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{
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std::string addressStr(server["ip"]);
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m_address = QString::fromUtf8(addressStr.c_str());
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std::string nameStr(server["name"]);
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m_name = QString::fromUtf8(nameStr.c_str());
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if(server["icon"])
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{
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std::string base64str(server["icon"]);
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m_icon = QByteArray::fromBase64(base64str.c_str());
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}
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if(server.has_key("acceptTextures", nbt::tag_type::Byte))
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{
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bool value = server["acceptTextures"].as<nbt::tag_byte>().get();
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if(value)
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{
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m_acceptsTextures = AcceptsTextures::ALWAYS;
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}
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else
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{
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m_acceptsTextures = AcceptsTextures::NEVER;
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}
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}
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}
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void serialize(nbt::tag_compound& server)
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{
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server.insert("name", m_name.trimmed().toUtf8().toStdString());
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server.insert("ip", m_address.trimmed().toUtf8().toStdString());
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if(m_icon.size())
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{
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server.insert("icon", m_icon.toBase64().toStdString());
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}
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if(m_acceptsTextures != AcceptsTextures::ASK)
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{
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server.insert("acceptTextures", nbt::tag_byte(m_acceptsTextures == AcceptsTextures::ALWAYS));
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}
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}
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// Data - persistent and user changeable
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QString m_name;
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QString m_address;
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AcceptsTextures m_acceptsTextures = AcceptsTextures::ASK;
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// Data - persistent and automatically updated
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QByteArray m_icon;
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// Data - temporary
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bool m_checked = false;
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bool m_up = false;
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QString m_motd; // https://mctools.org/motd-creator
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int m_ping = 0;
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int m_currentPlayers = 0;
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int m_maxPlayers = 0;
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};
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static std::unique_ptr <nbt::tag_compound> parseServersDat(const QString& filename)
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{
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try
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{
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QByteArray input = FS::read(filename);
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std::istringstream foo(std::string(input.constData(), input.size()));
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auto pair = nbt::io::read_compound(foo);
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if(pair.first != "")
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return nullptr;
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if(pair.second == nullptr)
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return nullptr;
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return std::move(pair.second);
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}
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catch (...)
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{
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return nullptr;
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}
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}
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static bool serializeServerDat(const QString& filename, nbt::tag_compound * levelInfo)
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{
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try
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{
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if(!FS::ensureFilePathExists(filename))
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{
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return false;
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}
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std::ostringstream s;
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nbt::io::write_tag("", *levelInfo, s);
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QByteArray val(s.str().data(), (int) s.str().size() );
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FS::write(filename, val);
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return true;
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}
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catch (...)
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{
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return false;
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}
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}
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class ServersModel: public QAbstractListModel
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{
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Q_OBJECT
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public:
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enum Roles
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{
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ServerPtrRole = Qt::UserRole,
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};
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explicit ServersModel(const QString &path, QObject *parent = 0)
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: QAbstractListModel(parent)
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{
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m_path = path;
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m_watcher = new QFileSystemWatcher(this);
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connect(m_watcher, &QFileSystemWatcher::fileChanged, this, &ServersModel::fileChanged);
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connect(m_watcher, &QFileSystemWatcher::directoryChanged, this, &ServersModel::dirChanged);
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m_saveTimer.setSingleShot(true);
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m_saveTimer.setInterval(5000);
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connect(&m_saveTimer, &QTimer::timeout, this, &ServersModel::save_internal);
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}
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virtual ~ServersModel() {};
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void observe()
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{
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if(m_observed)
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{
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return;
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}
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m_observed = true;
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if(!m_loaded)
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{
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load();
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}
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updateFSObserver();
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}
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void unobserve()
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{
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if(!m_observed)
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{
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return;
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}
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m_observed = false;
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updateFSObserver();
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}
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void lock()
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{
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if(m_locked)
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{
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return;
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}
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saveNow();
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m_locked = true;
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updateFSObserver();
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}
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void unlock()
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{
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if(!m_locked)
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{
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return;
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}
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m_locked = false;
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updateFSObserver();
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}
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int addEmptyRow(int position)
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{
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if(m_locked)
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{
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return -1;
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}
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if(position < 0 || position >= rowCount())
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{
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position = rowCount();
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}
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beginInsertRows(QModelIndex(), position, position);
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m_servers.insert(position, Server());
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endInsertRows();
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scheduleSave();
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return position;
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}
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bool removeRow(int row)
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{
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if(m_locked)
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{
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return false;
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}
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if(row < 0 || row >= rowCount())
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{
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return false;
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}
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beginRemoveRows(QModelIndex(), row, row);
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m_servers.removeAt(row);
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endRemoveRows(); // does absolutely nothing, the selected server stays as the next line...
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scheduleSave();
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return true;
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}
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bool moveUp(int row)
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{
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if(m_locked)
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{
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return false;
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}
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if(row <= 0)
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{
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return false;
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}
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beginMoveRows(QModelIndex(), row, row, QModelIndex(), row - 1);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
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m_servers.swapItemsAt(row-1, row);
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#else
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m_servers.swap(row-1, row);
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#endif
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endMoveRows();
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scheduleSave();
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return true;
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}
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bool moveDown(int row)
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{
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if(m_locked)
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{
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return false;
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}
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int count = rowCount();
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if(row + 1 >= count)
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{
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return false;
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}
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beginMoveRows(QModelIndex(), row, row, QModelIndex(), row + 2);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
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m_servers.swapItemsAt(row+1, row);
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#else
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m_servers.swap(row+1, row);
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#endif
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endMoveRows();
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scheduleSave();
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return true;
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}
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QVariant headerData(int section, Qt::Orientation orientation, int role) const override
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{
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if (section < 0 || section >= COLUMN_COUNT)
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return QVariant();
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if(role == Qt::DisplayRole)
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{
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switch(section)
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{
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case 0:
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return tr("Name");
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case 1:
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return tr("Address");
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case 2:
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return tr("Latency");
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}
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}
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return QAbstractListModel::headerData(section, orientation, role);
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}
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virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override
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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(column < 0 || column >= COLUMN_COUNT)
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return QVariant();
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if (row < 0 || row >= m_servers.size())
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return QVariant();
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switch(column)
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{
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case 0:
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switch (role)
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{
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case Qt::DecorationRole:
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{
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auto & bytes = m_servers[row].m_icon;
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if(bytes.size())
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{
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QPixmap px;
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if(px.loadFromData(bytes))
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return QIcon(px);
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}
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return APPLICATION->getThemedIcon("unknown_server");
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}
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case Qt::DisplayRole:
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return m_servers[row].m_name;
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case ServerPtrRole:
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return QVariant::fromValue<void *>((void *)&m_servers[row]);
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default:
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return QVariant();
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}
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case 1:
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switch (role)
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{
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case Qt::DisplayRole:
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return m_servers[row].m_address;
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default:
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return QVariant();
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}
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case 2:
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switch (role)
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{
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case Qt::DisplayRole:
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return m_servers[row].m_ping;
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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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}
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virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override
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{
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return m_servers.size();
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}
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int columnCount(const QModelIndex & parent) const override
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{
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return COLUMN_COUNT;
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}
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Server * at(int index)
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{
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if(index < 0 || index >= rowCount())
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{
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return nullptr;
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}
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return &m_servers[index];
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}
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void setName(int row, const QString & name)
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{
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if(m_locked)
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{
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return;
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}
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auto server = at(row);
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if(!server || server->m_name == name)
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{
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return;
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}
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server->m_name = name;
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emit dataChanged(index(row, 0), index(row, COLUMN_COUNT - 1));
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scheduleSave();
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}
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void setAddress(int row, const QString & address)
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{
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if(m_locked)
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{
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return;
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}
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auto server = at(row);
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if(!server || server->m_address == address)
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{
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return;
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}
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server->m_address = address;
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emit dataChanged(index(row, 0), index(row, COLUMN_COUNT - 1));
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scheduleSave();
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}
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void setAcceptsTextures(int row, Server::AcceptsTextures textures)
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{
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if(m_locked)
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{
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return;
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}
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auto server = at(row);
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if(!server || server->m_acceptsTextures == textures)
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{
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return;
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}
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server->m_acceptsTextures = textures;
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emit dataChanged(index(row, 0), index(row, COLUMN_COUNT - 1));
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scheduleSave();
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}
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void load()
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{
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cancelSave();
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beginResetModel();
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QList<Server> servers;
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auto serversDat = parseServersDat(serversPath());
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if(serversDat)
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{
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auto &serversList = serversDat->at("servers").as<nbt::tag_list>();
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for(auto iter = serversList.begin(); iter != serversList.end(); iter++)
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{
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auto & serverTag = (*iter).as<nbt::tag_compound>();
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Server s(serverTag);
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servers.append(s);
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}
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}
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m_servers.swap(servers);
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m_loaded = true;
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endResetModel();
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}
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void saveNow()
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{
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if(saveIsScheduled())
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{
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save_internal();
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}
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}
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public slots:
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void dirChanged(const QString& path)
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{
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qDebug() << "Changed:" << path;
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load();
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}
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void fileChanged(const QString& path)
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{
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qDebug() << "Changed:" << path;
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}
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private slots:
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void save_internal()
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{
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cancelSave();
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QString path = serversPath();
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qDebug() << "Server list about to be saved to" << path;
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nbt::tag_compound out;
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nbt::tag_list list;
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for(auto & server: m_servers)
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{
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nbt::tag_compound serverNbt;
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server.serialize(serverNbt);
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list.push_back(std::move(serverNbt));
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}
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out.insert("servers", nbt::value(std::move(list)));
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if(!serializeServerDat(path, &out))
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{
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qDebug() << "Failed to save server list:" << path << "Will try again.";
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scheduleSave();
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}
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}
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private:
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void scheduleSave()
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{
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if(!m_loaded)
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{
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qDebug() << "Server list should never save if it didn't successfully load, path:" << m_path;
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return;
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}
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if(!m_dirty)
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{
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m_dirty = true;
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qDebug() << "Server list save is scheduled for" << m_path;
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}
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m_saveTimer.start();
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}
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void cancelSave()
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{
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m_dirty = false;
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m_saveTimer.stop();
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}
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bool saveIsScheduled() const
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{
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return m_dirty;
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}
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void updateFSObserver()
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{
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bool observingFS = m_watcher->directories().contains(m_path);
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if(m_observed && m_locked)
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{
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if(!observingFS)
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{
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qWarning() << "Will watch" << m_path;
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if(!m_watcher->addPath(m_path))
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{
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qWarning() << "Failed to start watching" << m_path;
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}
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}
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}
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else
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{
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if(observingFS)
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{
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qWarning() << "Will stop watching" << m_path;
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if(!m_watcher->removePath(m_path))
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{
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qWarning() << "Failed to stop watching" << m_path;
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}
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}
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}
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}
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QString serversPath()
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{
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QFileInfo foo(FS::PathCombine(m_path, "servers.dat"));
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return foo.filePath();
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}
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private:
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bool m_loaded = false;
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bool m_locked = false;
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bool m_observed = false;
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bool m_dirty = false;
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QString m_path;
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QList<Server> m_servers;
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QFileSystemWatcher *m_watcher = nullptr;
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QTimer m_saveTimer;
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};
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ServersPage::ServersPage(InstancePtr inst, QWidget* parent)
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: QMainWindow(parent), ui(new Ui::ServersPage)
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{
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ui->setupUi(this);
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m_inst = inst;
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m_model = new ServersModel(inst->gameRoot(), this);
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ui->serversView->setIconSize(QSize(64,64));
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ui->serversView->setModel(m_model);
|
|
ui->serversView->setContextMenuPolicy(Qt::CustomContextMenu);
|
|
connect(ui->serversView, &QTreeView::customContextMenuRequested, this, &ServersPage::ShowContextMenu);
|
|
|
|
auto head = ui->serversView->header();
|
|
if(head->count())
|
|
{
|
|
head->setSectionResizeMode(0, QHeaderView::Stretch);
|
|
for(int i = 1; i < head->count(); i++)
|
|
{
|
|
head->setSectionResizeMode(i, QHeaderView::ResizeToContents);
|
|
}
|
|
}
|
|
|
|
auto selectionModel = ui->serversView->selectionModel();
|
|
connect(selectionModel, &QItemSelectionModel::currentChanged, this, &ServersPage::currentChanged);
|
|
connect(m_inst.get(), &MinecraftInstance::runningStatusChanged, this, &ServersPage::runningStateChanged);
|
|
connect(ui->nameLine, &QLineEdit::textEdited, this, &ServersPage::nameEdited);
|
|
connect(ui->addressLine, &QLineEdit::textEdited, this, &ServersPage::addressEdited);
|
|
connect(ui->resourceComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(resourceIndexChanged(int)));
|
|
connect(m_model, &QAbstractItemModel::rowsRemoved, this, &ServersPage::rowsRemoved);
|
|
|
|
m_locked = m_inst->isRunning();
|
|
if(m_locked)
|
|
{
|
|
m_model->lock();
|
|
}
|
|
|
|
updateState();
|
|
}
|
|
|
|
ServersPage::~ServersPage()
|
|
{
|
|
m_model->saveNow();
|
|
delete ui;
|
|
}
|
|
|
|
void ServersPage::retranslate()
|
|
{
|
|
ui->retranslateUi(this);
|
|
}
|
|
|
|
void ServersPage::ShowContextMenu(const QPoint& pos)
|
|
{
|
|
auto menu = ui->toolBar->createContextMenu(this, tr("Context menu"));
|
|
menu->exec(ui->serversView->mapToGlobal(pos));
|
|
delete menu;
|
|
}
|
|
|
|
QMenu * ServersPage::createPopupMenu()
|
|
{
|
|
QMenu* filteredMenu = QMainWindow::createPopupMenu();
|
|
filteredMenu->removeAction( ui->toolBar->toggleViewAction() );
|
|
return filteredMenu;
|
|
}
|
|
|
|
void ServersPage::runningStateChanged(bool running)
|
|
{
|
|
if(m_locked == running)
|
|
{
|
|
return;
|
|
}
|
|
m_locked = running;
|
|
if(m_locked)
|
|
{
|
|
m_model->lock();
|
|
}
|
|
else
|
|
{
|
|
m_model->unlock();
|
|
}
|
|
updateState();
|
|
}
|
|
|
|
void ServersPage::currentChanged(const QModelIndex ¤t, const QModelIndex &previous)
|
|
{
|
|
int nextServer = -1;
|
|
if (!current.isValid())
|
|
{
|
|
nextServer = -1;
|
|
}
|
|
else
|
|
{
|
|
nextServer = current.row();
|
|
}
|
|
currentServer = nextServer;
|
|
updateState();
|
|
}
|
|
|
|
// WARNING: this is here because currentChanged is not accurate when removing rows. the current item needs to be fixed up after removal.
|
|
void ServersPage::rowsRemoved(const QModelIndex& parent, int first, int last)
|
|
{
|
|
if(currentServer < first)
|
|
{
|
|
// current was before the removal
|
|
return;
|
|
}
|
|
else if(currentServer >= first && currentServer <= last)
|
|
{
|
|
// current got removed...
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
// current was past the removal
|
|
int count = last - first + 1;
|
|
currentServer -= count;
|
|
}
|
|
}
|
|
|
|
void ServersPage::nameEdited(const QString& name)
|
|
{
|
|
m_model->setName(currentServer, name);
|
|
}
|
|
|
|
void ServersPage::addressEdited(const QString& address)
|
|
{
|
|
m_model->setAddress(currentServer, address);
|
|
}
|
|
|
|
void ServersPage::resourceIndexChanged(int index)
|
|
{
|
|
auto acceptsTextures = Server::AcceptsTextures(index);
|
|
m_model->setAcceptsTextures(currentServer, acceptsTextures);
|
|
}
|
|
|
|
void ServersPage::updateState()
|
|
{
|
|
auto server = m_model->at(currentServer);
|
|
|
|
bool serverEditEnabled = server && !m_locked;
|
|
ui->addressLine->setEnabled(serverEditEnabled);
|
|
ui->nameLine->setEnabled(serverEditEnabled);
|
|
ui->resourceComboBox->setEnabled(serverEditEnabled);
|
|
ui->actionMove_Down->setEnabled(serverEditEnabled);
|
|
ui->actionMove_Up->setEnabled(serverEditEnabled);
|
|
ui->actionRemove->setEnabled(serverEditEnabled);
|
|
ui->actionJoin->setEnabled(serverEditEnabled);
|
|
|
|
if(server)
|
|
{
|
|
ui->addressLine->setText(server->m_address);
|
|
ui->nameLine->setText(server->m_name);
|
|
ui->resourceComboBox->setCurrentIndex(int(server->m_acceptsTextures));
|
|
}
|
|
else
|
|
{
|
|
ui->addressLine->setText(QString());
|
|
ui->nameLine->setText(QString());
|
|
ui->resourceComboBox->setCurrentIndex(0);
|
|
}
|
|
|
|
ui->actionAdd->setDisabled(m_locked);
|
|
}
|
|
|
|
void ServersPage::openedImpl()
|
|
{
|
|
m_model->observe();
|
|
}
|
|
|
|
void ServersPage::closedImpl()
|
|
{
|
|
m_model->unobserve();
|
|
}
|
|
|
|
void ServersPage::on_actionAdd_triggered()
|
|
{
|
|
int position = m_model->addEmptyRow(currentServer + 1);
|
|
if(position < 0)
|
|
{
|
|
return;
|
|
}
|
|
// select the new row
|
|
ui->serversView->selectionModel()->setCurrentIndex(
|
|
m_model->index(position),
|
|
QItemSelectionModel::SelectCurrent | QItemSelectionModel::Clear | QItemSelectionModel::Rows
|
|
);
|
|
currentServer = position;
|
|
}
|
|
|
|
void ServersPage::on_actionRemove_triggered()
|
|
{
|
|
m_model->removeRow(currentServer);
|
|
}
|
|
|
|
void ServersPage::on_actionMove_Up_triggered()
|
|
{
|
|
if(m_model->moveUp(currentServer))
|
|
{
|
|
currentServer --;
|
|
}
|
|
}
|
|
|
|
void ServersPage::on_actionMove_Down_triggered()
|
|
{
|
|
if(m_model->moveDown(currentServer))
|
|
{
|
|
currentServer ++;
|
|
}
|
|
}
|
|
|
|
void ServersPage::on_actionJoin_triggered()
|
|
{
|
|
const auto &address = m_model->at(currentServer)->m_address;
|
|
APPLICATION->launch(m_inst, true, false, nullptr, std::make_shared<MinecraftServerTarget>(MinecraftServerTarget::parse(address)));
|
|
}
|
|
|
|
#include "ServersPage.moc"
|