etcp: TCP links skip remote keepalive gating; chatgui: show interface names in member detail, fix destructor callbacks

tools/chatgui/src/mainwindow.cpp

@@ -104,6 +104,17 @@ MainWindow::MainWindow(QWidget *parent, DbManager* db, const QString& cfgPath,
 }
 
 MainWindow::~MainWindow() {
+    s_mainWindow = nullptr;
+    m_autoPlayTimer->stop();
+    gui_bridge_set_msg_received_cb(nullptr);
+    gui_bridge_set_channel_updated_cb(nullptr);
+    gui_bridge_set_members_changed_cb(nullptr);
+    gui_bridge_set_my_node_id_cb(nullptr);
+    gui_bridge_set_auto_connect_status_cb(nullptr);
+    gui_bridge_set_channel_peers_online_cb(nullptr);
+    gui_bridge_set_db_ready_cb(nullptr);
+    gui_bridge_set_attachment_downloaded_cb(nullptr);
+    QCoreApplication::processEvents(QEventLoop::AllEvents);
     if (m_recorder) { m_recorder->shutdown(); m_recorder = nullptr; }
     SoundManager::instance()->shutdown();
     DEBUG_DEBUG(DEBUG_CATEGORY_GENERAL, "MainWindow: ~MainWindow — saving channel state");