fix: add mutex protection for unique ID generation

plugins/application-tray/util.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2024 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -316,8 +316,9 @@
     xcb_send_event(m_x11connection, false, window, XCB_EVENT_MASK_NO_EVENT, (char *)&ev);
 }
 
 QString Util::generateUniqueId(const QString &id)
 {
+    QMutexLocker locker(&m_idMutex);
     for (int i = 0; i < 100; i++) {
         QString newId = id + "-" + QString::number(i);
         if (!m_currentIds.contains(newId)) {
@@ -330,7 +331,8 @@
     return id;
 }
 
 void Util::removeUniqueId(const QString &id) {
+    QMutexLocker locker(&m_idMutex);
     m_currentIds.remove(id);
 }
 

plugins/application-tray/util.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2024 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2024 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -6,12 +6,13 @@
 
 #include <QHash>
 #include <QImage>
 #include <QSharedPointer>
 #include <QSet>
 #include <QObject>
+#include <QMutex>
 
 #include <cstdint>
 #include <sys/types.h>
 #include <xcb/xcb.h>
 #include <xcb/xproto.h>
 #include <xcb/xcb_ewmh.h>
@@ -78,6 +79,7 @@
     _XDisplay *m_display;
 
     QSet<QString> m_currentIds;
+    QMutex m_idMutex;
 };
 
 }