From 64acc64c580d2a03e991e5160e91823dafdc6a09 Mon Sep 17 00:00:00 2001
From: tehcneko <chsqwyx@gmail.com>
Date: Wed, 13 Mar 2024 15:24:08 +0800
Subject: [PATCH] Fix invisible tray icon on Plasma 6 in Linux

PR #20529.
Closes #20367.

---------

Co-authored-by: thalieht <thalieht@users.noreply.github.com>
Co-authored-by: Vladimir Golovnev <glassez@yandex.ru>
---
 src/gui/desktopintegration.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/gui/desktopintegration.cpp b/src/gui/desktopintegration.cpp
index f8a4c85cb..466d62c8c 100644
--- a/src/gui/desktopintegration.cpp
+++ b/src/gui/desktopintegration.cpp
@@ -31,6 +31,7 @@
 
 #include <chrono>
 
+#include <QtGlobal>
 #include <QMenu>
 #include <QTimer>
 
@@ -300,11 +301,11 @@ QIcon DesktopIntegration::getSystrayIcon() const
         icon = UIThemeManager::instance()->getIcon(u"qbittorrent-tray-light"_s);
         break;
     }
-#if ((QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
+#ifdef Q_OS_UNIX
     // Workaround for invisible tray icon in KDE, https://bugreports.qt.io/browse/QTBUG-53550
-    return {icon.pixmap(32)};
-#else
-    return icon;
+    if (qEnvironmentVariable("XDG_CURRENT_DESKTOP").compare(u"KDE", Qt::CaseInsensitive) == 0)
+        return icon.pixmap(32);
 #endif
+    return icon;
 }
 #endif // Q_OS_MACOS