Fixed incorrect applications directory path while using Flatpak build

src/citra_qt/main.cpp

@@ -1882,8 +1882,7 @@ void GMainWindow::OnGameListCreateShortcut(u64 program_id, const std::string& ga
         shortcut_path =
             QStandardPaths::writableLocation(QStandardPaths::DesktopLocation).toStdString();
     } else if (target == GameListShortcutTarget::Applications) {
-        shortcut_path =
-            QStandardPaths::writableLocation(QStandardPaths::ApplicationsLocation).toStdString();
+        shortcut_path = GetApplicationsDirectory();
     }
 
     // Icon path and title

src/citra_qt/util/util.cpp

@@ -1,11 +1,14 @@
-// Copyright 2015 Citra Emulator Project
+// Copyright Citra Emulator Project / Lime3DS Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include <array>
 #include <cmath>
 #include <QPainter>
+#include <QStandardPaths>
 #include "citra_qt/util/util.h"
+#include "common/common_paths.h"
+#include "common/file_util.h"
 #include "common/logging/log.h"
 #include "core/loader/smdh.h"
 
@@ -160,3 +163,15 @@ bool SaveIconToFile(const std::filesystem::path& icon_path, const QImage& image)
     return false;
 #endif
 }
+
+const std::string GetApplicationsDirectory() {
+// This alternate method is required for Flatpak compatibility as
+// QStandardPaths::ApplicationsLocation returns a path inside the Flatpak data directory instead of
+// $HOME/.local/share
+#if defined(__linux__) || defined(__FreeBSD__)
+    return FileUtil::GetHomeDirectory() + DIR_SEP + ".local" + DIR_SEP + "share" + DIR_SEP +
+           "applications";
+#else
+    return QStandardPaths::writableLocation(QStandardPaths::ApplicationsLocation).toStdString();
+#endif
+}

src/citra_qt/util/util.h

@@ -1,4 +1,4 @@
-// Copyright 2015 Citra Emulator Project
+// Copyright Citra Emulator Project / Lime3DS Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -36,3 +36,8 @@ QPixmap GetQPixmapFromSMDH(const std::vector<u8>& smdh_data);
  * @return bool If the operation succeeded
  */
 [[nodiscard]] bool SaveIconToFile(const std::filesystem::path& icon_path, const QImage& image);
+
+/**
+ * @return The user’s applications directory
+ */
+[[nodiscard]] const std::string GetApplicationsDirectory();