1 files changed, 81 insertions, 0 deletions
diff --git a/meshmc/launcher/icons/IconUtils.cpp b/meshmc/launcher/icons/IconUtils.cpp
new file mode 100644
index 0000000000..60ab6df406
--- /dev/null
+++ b/meshmc/launcher/icons/IconUtils.cpp
@@ -0,0 +1,81 @@
+/* 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 "IconUtils.h"
+
+#include "FileSystem.h"
+#include <QDirIterator>
+
+#include <array>
+
+namespace
+{
+	std::array<const char*, 6> validIconExtensions = {
+		{"svg", "png", "ico", "gif", "jpg", "jpeg"}};
+}
+
+namespace IconUtils
+{
+
+	QString findBestIconIn(const QString& folder, const QString& iconKey)
+	{
+		int best_found = validIconExtensions.size();
+		QString best_filename;
+
+		QDirIterator it(folder, QDir::NoDotAndDotDot | QDir::Files,
+						QDirIterator::NoIteratorFlags);
+		while (it.hasNext()) {
+			it.next();
+			auto fileInfo = it.fileInfo();
+
+			if (fileInfo.completeBaseName() != iconKey)
+				continue;
+
+			auto extension = fileInfo.suffix();
+
+			for (int i = 0; i < best_found; i++) {
+				if (extension == validIconExtensions[i]) {
+					best_found = i;
+					qDebug() << i << " : " << fileInfo.fileName();
+					best_filename = fileInfo.fileName();
+				}
+			}
+		}
+		return FS::PathCombine(folder, best_filename);
+	}
+
+	QString getIconFilter()
+	{
+		QString out;
+		QTextStream stream(&out);
+		stream << '(';
+		for (size_t i = 0; i < validIconExtensions.size() - 1; i++) {
+			if (i > 0) {
+				stream << " ";
+			}
+			stream << "*." << validIconExtensions[i];
+		}
+		stream << " *." << validIconExtensions[validIconExtensions.size() - 1];
+		stream << ')';
+		return out;
+	}
+
+} // namespace IconUtils