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// SPDX-License-Identifier: GPL-3.0-only AND Apache-2.0
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* This program 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, version 3.
*
* This program 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* === Upstream License Block (Do Not Modify) ==============================
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ======================================================================== */
#include "InstanceProxyModel.h"
#include <BaseInstance.h>
#include <icons/IconList.hpp>
#include "Application.h"
#include "InstanceView.h"
#include <QDebug>
#include "settings/Setting.h"
#include "settings/SettingsObject.h"
InstanceProxyModel::InstanceProxyModel(QObject* parent) : QSortFilterProxyModel(parent)
{
m_naturalSort.setNumericMode(true);
m_naturalSort.setCaseSensitivity(Qt::CaseSensitivity::CaseInsensitive);
updateLocale();
// Update locale when language-related settings change
if (auto settings = APPLICATION->settings())
{
auto updateIfLanguageSettingChanged = [this](const Setting& setting, const QVariant&)
{
if (setting.id() == "Language" || setting.id() == "UseSystemLocale")
updateLocale();
};
auto updateIfLanguageSettingReset = [this](const Setting& setting)
{
if (setting.id() == "Language" || setting.id() == "UseSystemLocale")
updateLocale();
};
connect(settings.get(), &SettingsObject::SettingChanged, this, updateIfLanguageSettingChanged);
connect(settings.get(), &SettingsObject::settingReset, this, updateIfLanguageSettingReset);
}
}
void InstanceProxyModel::updateLocale()
{
// Use the current UI locale from Application settings
auto language = APPLICATION->settings()->get("Language").toString();
if (!language.isEmpty())
{
m_naturalSort.setLocale(QLocale(language));
}
else
{
m_naturalSort.setLocale(QLocale::system());
}
// Trigger re-sort with new locale
invalidate();
}
QVariant InstanceProxyModel::data(const QModelIndex& index, int role) const
{
QVariant data = QSortFilterProxyModel::data(index, role);
if (role == Qt::DecorationRole)
{
return QVariant(APPLICATION->icons()->getIcon(data.toString()));
}
return data;
}
bool InstanceProxyModel::lessThan(const QModelIndex& left, const QModelIndex& right) const
{
const QString leftCategory = left.data(InstanceViewRoles::GroupRole).toString();
const QString rightCategory = right.data(InstanceViewRoles::GroupRole).toString();
if (leftCategory == rightCategory)
{
return subSortLessThan(left, right);
}
else
{
// NOTE: Group visual positioning is handled in InstanceView::updateGeometries() with LocaleString.
// This comparison ensures logical sorting order matches the visual layout.
auto result = leftCategory.localeAwareCompare(rightCategory);
if (result == 0)
{
return subSortLessThan(left, right);
}
return result < 0;
}
}
bool InstanceProxyModel::subSortLessThan(const QModelIndex& left, const QModelIndex& right) const
{
BaseInstance* pdataLeft = static_cast<BaseInstance*>(left.internalPointer());
BaseInstance* pdataRight = static_cast<BaseInstance*>(right.internalPointer());
QString sortMode = APPLICATION->settings()->get("InstSortMode").toString();
if (sortMode == "LastLaunch")
{
return pdataLeft->lastLaunch() > pdataRight->lastLaunch();
}
else
{
return m_naturalSort.compare(pdataLeft->name(), pdataRight->name()) < 0;
}
}
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