feat: add methods to check if running from a sandbox, flatpak and or snap

src/lib/platform/Wayland.h

@@ -1,11 +1,13 @@
 /*
  * Deskflow -- mouse and keyboard sharing utility
+ * SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
  * SPDX-FileCopyrightText: (C) 2024 Symless Ltd.
  * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
  */
 
 #pragma once
 
+#include <QFileInfo>
 #include <string>
 
 namespace deskflow::platform {
@@ -34,4 +36,31 @@ inline bool isWayland()
   return session != nullptr && std::string(session) == "wayland";
 }
 
+/**
+ * @brief isFlatpak
+ * @return Returns true if we are running as flatpak
+ */
+inline bool isFlatpak()
+{
+  return QFileInfo::exists(QStringLiteral("/.flatpak-info"));
+}
+
+/**
+ * @brief isSnap
+ * @return Returns true if we are running as a snap
+ */
+inline bool isSnap()
+{
+  return qEnvironmentVariableIsSet("SNAP");
+}
+
+/**
+ * @brief isSandboxed
+ * @return Returns true if we are running from in a known sandbox.
+ */
+inline bool isSandboxed()
+{
+  return isFlatpak() || isSnap();
+}
+
 } // namespace deskflow::platform