Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

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

1 files changed, 117 insertions, 0 deletions

diff --git a/meshmc/launcher/QObjectPtr.h b/meshmc/launcher/QObjectPtr.h
new file mode 100644
index 0000000000..68fcc23f3f
--- /dev/null
+++ b/meshmc/launcher/QObjectPtr.h
@@ -0,0 +1,117 @@
+/* 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/>.
+ */
+
+#pragma once
+
+#include <functional>
+#include <memory>
+#include <QObject>
+
+namespace details
+{
+	struct DeleteQObjectLater {
+		void operator()(QObject* obj) const
+		{
+			obj->deleteLater();
+		}
+	};
+} // namespace details
+/**
+ * A unique pointer class with unique pointer semantics intended for derivates
+ * of QObject Calls deleteLater() instead of destroying the contained object
+ * immediately
+ */
+template <typename T>
+using unique_qobject_ptr = std::unique_ptr<T, details::DeleteQObjectLater>;
+
+/**
+ * A shared pointer class with shared pointer semantics intended for derivates
+ * of QObject Calls deleteLater() instead of destroying the contained object
+ * immediately
+ */
+template <typename T> class shared_qobject_ptr
+{
+  public:
+	shared_qobject_ptr() {}
+	shared_qobject_ptr(T* wrap)
+	{
+		reset(wrap);
+	}
+	shared_qobject_ptr(const shared_qobject_ptr<T>& other)
+	{
+		m_ptr = other.m_ptr;
+	}
+	template <typename Derived>
+	shared_qobject_ptr(const shared_qobject_ptr<Derived>& other)
+		: m_ptr(other.unwrap())
+	{
+	}
+
+  public:
+	void reset(T* wrap)
+	{
+		if (wrap) {
+			using namespace std::placeholders;
+			m_ptr.reset(wrap, std::bind(&QObject::deleteLater, _1));
+		} else {
+			m_ptr.reset();
+		}
+	}
+	void reset(const shared_qobject_ptr<T>& other)
+	{
+		m_ptr = other.m_ptr;
+	}
+	void reset()
+	{
+		m_ptr.reset();
+	}
+	T* get() const
+	{
+		return m_ptr.get();
+	}
+	T* operator->() const
+	{
+		return m_ptr.get();
+	}
+	T& operator*() const
+	{
+		return *m_ptr.get();
+	}
+	operator bool() const
+	{
+		return m_ptr.get() != nullptr;
+	}
+	const std::shared_ptr<T> unwrap() const
+	{
+		return m_ptr;
+	}
+	bool operator==(const shared_qobject_ptr<T>& other)
+	{
+		return m_ptr == other.m_ptr;
+	}
+	bool operator!=(const shared_qobject_ptr<T>& other)
+	{
+		return m_ptr != other.m_ptr;
+	}
+
+  private:
+	std::shared_ptr<T> m_ptr;
+};