Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

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

1 files changed, 91 insertions, 0 deletions

diff --git a/meshmc/launcher/ui/widgets/LanguageSelectionWidget.cpp b/meshmc/launcher/ui/widgets/LanguageSelectionWidget.cpp
new file mode 100644
index 0000000000..658ce638e5
--- /dev/null
+++ b/meshmc/launcher/ui/widgets/LanguageSelectionWidget.cpp
@@ -0,0 +1,91 @@
+/* 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 "LanguageSelectionWidget.h"
+
+#include <QVBoxLayout>
+#include <QTreeView>
+#include <QHeaderView>
+#include <QLabel>
+#include "Application.h"
+#include "translations/TranslationsModel.h"
+
+LanguageSelectionWidget::LanguageSelectionWidget(QWidget* parent)
+	: QWidget(parent)
+{
+	verticalLayout = new QVBoxLayout(this);
+	verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
+	languageView = new QTreeView(this);
+	languageView->setObjectName(QStringLiteral("languageView"));
+	languageView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	languageView->setAlternatingRowColors(true);
+	languageView->setRootIsDecorated(false);
+	languageView->setItemsExpandable(false);
+	languageView->setWordWrap(true);
+	languageView->header()->setCascadingSectionResizes(true);
+	languageView->header()->setStretchLastSection(false);
+	verticalLayout->addWidget(languageView);
+	helpUsLabel = new QLabel(this);
+	helpUsLabel->setObjectName(QStringLiteral("helpUsLabel"));
+	helpUsLabel->setTextInteractionFlags(Qt::LinksAccessibleByMouse);
+	helpUsLabel->setOpenExternalLinks(true);
+	helpUsLabel->setWordWrap(true);
+	verticalLayout->addWidget(helpUsLabel);
+
+	auto translations = APPLICATION->translations();
+	auto index = translations->selectedIndex();
+	languageView->setModel(translations.get());
+	languageView->setCurrentIndex(index);
+	languageView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+	languageView->header()->setSectionResizeMode(0, QHeaderView::Stretch);
+	connect(languageView->selectionModel(),
+			&QItemSelectionModel::currentRowChanged, this,
+			&LanguageSelectionWidget::languageRowChanged);
+	verticalLayout->setContentsMargins(0, 0, 0, 0);
+}
+
+QString LanguageSelectionWidget::getSelectedLanguageKey() const
+{
+	auto translations = APPLICATION->translations();
+	return translations->data(languageView->currentIndex(), Qt::UserRole)
+		.toString();
+}
+
+void LanguageSelectionWidget::retranslate()
+{
+	QString text = tr("Don't see your language or the quality is poor?<br/><a "
+					  "href=\"%1\">Help us with translations!</a>")
+					   .arg("https://github.com/Project-Tick/MeshMC/wiki/"
+							"Translating-MeshMC");
+	helpUsLabel->setText(text);
+}
+
+void LanguageSelectionWidget::languageRowChanged(const QModelIndex& current,
+												 const QModelIndex& previous)
+{
+	if (current == previous) {
+		return;
+	}
+	auto translations = APPLICATION->translations();
+	QString key = translations->data(current, Qt::UserRole).toString();
+	translations->selectLanguage(key);
+	translations->updateLanguage(key);
+}