chatgui: значок владельца канала (🔑) в шапке блока мемберов при наличии private key

tools/chatgui/src/accountlist.cpp

@@ -65,15 +65,16 @@ AccountList::AccountList(DbManager* db, QWidget *parent)
     , m_model(new MemberListModel(this))
     , m_db(db)
     , m_detailPanel(nullptr)
+    , m_header(nullptr)
 {
     auto *layout = new QVBoxLayout(this);
     layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
 
-    auto *header = new QLabel("Members", this);
-    header->setAlignment(Qt::AlignCenter);
-    header->setStyleSheet("font-weight: bold; padding: 8px; background: palette(window);");
-    layout->addWidget(header);
+    m_header = new QLabel("Members", this);
+    m_header->setAlignment(Qt::AlignCenter);
+    m_header->setStyleSheet("font-weight: bold; padding: 8px; background: palette(window);");
+    layout->addWidget(m_header);
 
     m_listView->setModel(m_model);
     m_listView->setItemDelegate(new AccountDelegate(m_listView));
@@ -154,6 +155,16 @@ void AccountList::setChannel(const QString& channelId) {
     m_detailNodeId = 0;
     m_detailHeader->setText("Select a member");
     m_detailText->clear();
+
+    bool isOwner = false;
+    if (m_db && m_db->isOpen()) {
+        const auto chs = m_db->getChannels();
+        for (const auto& ch : chs) {
+            if (ch.channelId == channelId) { isOwner = (ch.ed25519_privkey.size() == 32); break; }
+        }
+    }
+    m_header->setText(isOwner ? QStringLiteral("Members \xF0\x9F\x94\x91") : QStringLiteral("Members"));
+    m_header->setToolTip(isOwner ? QStringLiteral("Channel owner (has private key)") : QString());
 }
 
 void AccountList::refresh() { m_model->refresh(); }