Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 232 insertions, 0 deletions

diff --git a/meshmc/launcher/ui/widgets/VersionSelectWidget.cpp b/meshmc/launcher/ui/widgets/VersionSelectWidget.cpp
new file mode 100644
index 0000000000..74ffb41ae9
--- /dev/null
+++ b/meshmc/launcher/ui/widgets/VersionSelectWidget.cpp
@@ -0,0 +1,232 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "VersionSelectWidget.h"
+
+#include <QProgressBar>
+#include <QVBoxLayout>
+#include <QHeaderView>
+
+#include "VersionListView.h"
+#include "VersionProxyModel.h"
+
+#include "ui/dialogs/CustomMessageBox.h"
+
+VersionSelectWidget::VersionSelectWidget(QWidget* parent) : QWidget(parent)
+{
+	setObjectName(QStringLiteral("VersionSelectWidget"));
+	verticalLayout = new QVBoxLayout(this);
+	verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
+	verticalLayout->setContentsMargins(0, 0, 0, 0);
+
+	m_proxyModel = new VersionProxyModel(this);
+
+	listView = new VersionListView(this);
+	listView->setObjectName(QStringLiteral("listView"));
+	listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	listView->setAlternatingRowColors(true);
+	listView->setRootIsDecorated(false);
+	listView->setItemsExpandable(false);
+	listView->setWordWrap(true);
+	listView->header()->setCascadingSectionResizes(true);
+	listView->header()->setStretchLastSection(false);
+	listView->setModel(m_proxyModel);
+	verticalLayout->addWidget(listView);
+
+	sneakyProgressBar = new QProgressBar(this);
+	sneakyProgressBar->setObjectName(QStringLiteral("sneakyProgressBar"));
+	sneakyProgressBar->setFormat(QStringLiteral("%p%"));
+	verticalLayout->addWidget(sneakyProgressBar);
+	sneakyProgressBar->setHidden(true);
+	connect(listView->selectionModel(), &QItemSelectionModel::currentRowChanged,
+			this, &VersionSelectWidget::currentRowChanged);
+
+	QMetaObject::connectSlotsByName(this);
+}
+
+void VersionSelectWidget::setCurrentVersion(const QString& version)
+{
+	m_currentVersion = version;
+	m_proxyModel->setCurrentVersion(version);
+}
+
+void VersionSelectWidget::setEmptyString(QString emptyString)
+{
+	listView->setEmptyString(emptyString);
+}
+
+void VersionSelectWidget::setEmptyErrorString(QString emptyErrorString)
+{
+	listView->setEmptyErrorString(emptyErrorString);
+}
+
+VersionSelectWidget::~VersionSelectWidget() {}
+
+void VersionSelectWidget::setResizeOn(int column)
+{
+	listView->header()->setSectionResizeMode(resizeOnColumn,
+											 QHeaderView::ResizeToContents);
+	resizeOnColumn = column;
+	listView->header()->setSectionResizeMode(resizeOnColumn,
+											 QHeaderView::Stretch);
+}
+
+void VersionSelectWidget::initialize(BaseVersionList* vlist)
+{
+	m_vlist = vlist;
+	m_proxyModel->setSourceModel(vlist);
+	listView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+	listView->header()->setSectionResizeMode(resizeOnColumn,
+											 QHeaderView::Stretch);
+
+	if (!m_vlist->isLoaded()) {
+		loadList();
+	} else {
+		if (m_proxyModel->rowCount() == 0) {
+			listView->setEmptyMode(VersionListView::String);
+		}
+		preselect();
+	}
+}
+
+void VersionSelectWidget::closeEvent(QCloseEvent* event)
+{
+	QWidget::closeEvent(event);
+}
+
+void VersionSelectWidget::loadList()
+{
+	auto newTask = m_vlist->getLoadTask();
+	if (!newTask) {
+		return;
+	}
+	loadTask = newTask.get();
+	connect(loadTask, &Task::succeeded, this,
+			&VersionSelectWidget::onTaskSucceeded);
+	connect(loadTask, &Task::failed, this, &VersionSelectWidget::onTaskFailed);
+	connect(loadTask, &Task::progress, this,
+			&VersionSelectWidget::changeProgress);
+	if (!loadTask->isRunning()) {
+		loadTask->start();
+	}
+	sneakyProgressBar->setHidden(false);
+}
+
+void VersionSelectWidget::onTaskSucceeded()
+{
+	if (m_proxyModel->rowCount() == 0) {
+		listView->setEmptyMode(VersionListView::String);
+	}
+	sneakyProgressBar->setHidden(true);
+	preselect();
+	loadTask = nullptr;
+}
+
+void VersionSelectWidget::onTaskFailed(const QString& reason)
+{
+	CustomMessageBox::selectable(this, tr("Error"),
+								 tr("List update failed:\n%1").arg(reason),
+								 QMessageBox::Warning)
+		->show();
+	onTaskSucceeded();
+}
+
+void VersionSelectWidget::changeProgress(qint64 current, qint64 total)
+{
+	sneakyProgressBar->setMaximum(total);
+	sneakyProgressBar->setValue(current);
+}
+
+void VersionSelectWidget::currentRowChanged(const QModelIndex& current,
+											const QModelIndex&)
+{
+	auto variant =
+		m_proxyModel->data(current, BaseVersionList::VersionPointerRole);
+	emit selectedVersionChanged(variant.value<BaseVersionPtr>());
+}
+
+void VersionSelectWidget::preselect()
+{
+	if (preselectedAlready)
+		return;
+	selectCurrent();
+	if (preselectedAlready)
+		return;
+	selectRecommended();
+}
+
+void VersionSelectWidget::selectCurrent()
+{
+	if (m_currentVersion.isEmpty()) {
+		return;
+	}
+	auto idx = m_proxyModel->getVersion(m_currentVersion);
+	if (idx.isValid()) {
+		preselectedAlready = true;
+		listView->selectionModel()->setCurrentIndex(
+			idx,
+			QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
+		listView->scrollTo(idx, QAbstractItemView::PositionAtCenter);
+	}
+}
+
+void VersionSelectWidget::selectRecommended()
+{
+	auto idx = m_proxyModel->getRecommended();
+	if (idx.isValid()) {
+		preselectedAlready = true;
+		listView->selectionModel()->setCurrentIndex(
+			idx,
+			QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
+		listView->scrollTo(idx, QAbstractItemView::PositionAtCenter);
+	}
+}
+
+bool VersionSelectWidget::hasVersions() const
+{
+	return m_proxyModel->rowCount(QModelIndex()) != 0;
+}
+
+BaseVersionPtr VersionSelectWidget::selectedVersion() const
+{
+	auto currentIndex = listView->selectionModel()->currentIndex();
+	auto variant =
+		m_proxyModel->data(currentIndex, BaseVersionList::VersionPointerRole);
+	return variant.value<BaseVersionPtr>();
+}
+
+void VersionSelectWidget::setExactFilter(BaseVersionList::ModelRoles role,
+										 QString filter)
+{
+	m_proxyModel->setFilter(role, new ExactFilter(filter));
+}
+
+void VersionSelectWidget::setFuzzyFilter(BaseVersionList::ModelRoles role,
+										 QString filter)
+{
+	m_proxyModel->setFilter(role, new ContainsFilter(filter));
+}
+
+void VersionSelectWidget::setFilter(BaseVersionList::ModelRoles role,
+									Filter* filter)
+{
+	m_proxyModel->setFilter(role, filter);
+}